Fixed a typo in policies.successful_session_count (#654)

* Update README.md

* Update index.md

* Update python-tests.yml

.github/workflows/docker.yml

@@ -24,11 +24,11 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
 
       - name: Docker meta
         id: meta
-        uses: docker/metadata-action@v3
+        uses: docker/metadata-action@v5
         with:
           images: |
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
@@ -40,16 +40,14 @@ jobs:
             type=semver,pattern={{major}}.{{minor}}
 
       - name: Log in to the Container registry
-        # https://github.com/docker/login-action/releases/tag/v2.0.0
-        uses: docker/login-action@49ed152c8eca782a232dede0303416e8f356c37b
+        uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and push Docker image
-        # https://github.com/docker/build-push-action/releases/tag/v3.0.0
-        uses: docker/build-push-action@e551b19e49efd4e98792db7592c17c09b89db8d8
+        uses: docker/build-push-action@v6
         with:
           context: .
           push: ${{ github.event_name == 'release' }}

.github/workflows/python-tests.yml

@@ -15,7 +15,7 @@ jobs:
 
     services:
       elasticsearch:
-        image: elasticsearch:8.18.2
+        image: elasticsearch:8.19.7
         env:
           discovery.type: single-node
           cluster.name: parsedmarc-cluster
@@ -30,18 +30,18 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install system dependencies
       run: |
-        sudo apt-get update
-        sudo apt-get install -y libemail-outlook-message-perl
+        sudo apt-get -q update
+        sudo apt-get -qy install libemail-outlook-message-perl
     - name: Install Python dependencies
       run: |
         python -m pip install --upgrade pip
@@ -65,6 +65,6 @@ jobs:
       run: |
         hatch build
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
           token: ${{ secrets.CODECOV_TOKEN }}

.gitignore

@@ -106,7 +106,7 @@ ENV/
 .idea/
 
 # VS Code launch config
-.vscode/launch.json
+#.vscode/launch.json
 
 # Visual Studio Code settings
 #.vscode/
@@ -142,3 +142,6 @@ scratch.py
 
 parsedmarc/resources/maps/base_reverse_dns.csv
 parsedmarc/resources/maps/unknown_base_reverse_dns.csv
+parsedmarc/resources/maps/sus_domains.csv
+parsedmarc/resources/maps/unknown_domains.txt
+*.bak

.vscode/launch.json

@@ -0,0 +1,45 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Python Debugger: Current File",
+      "type": "debugpy",
+      "request": "launch",
+      "program": "${file}",
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "tests.py",
+      "type": "debugpy",
+      "request": "launch",
+      "program": "tests.py",
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "sample",
+      "type": "debugpy",
+      "request": "launch",
+      "module": "parsedmarc.cli",
+      "args": ["samples/private/sample"]
+    },
+    {
+      "name": "sortlists.py",
+      "type": "debugpy",
+      "request": "launch",
+      "program": "sortlists.py",
+      "cwd": "${workspaceFolder}/parsedmarc/resources/maps",
+      "console": "integratedTerminal"
+    },
+    {
+      "name": "find_unknown_base_reverse_dns.py",
+      "type": "debugpy",
+      "request": "launch",
+      "program": "find_unknown_base_reverse_dns.py",
+      "cwd": "${workspaceFolder}/parsedmarc/resources/maps",
+      "console": "integratedTerminal"
+    }
+  ]
+}

.vscode/settings.json

@@ -1,132 +1,166 @@
 {
+  "[python]": {
+    "editor.defaultFormatter": "charliermarsh.ruff",
+    "editor.formatOnSave": true,
+
+    // Let Ruff handle lint fixes + import sorting on save
+    "editor.codeActionsOnSave": {
+      "source.fixAll.ruff": "explicit",
+      "source.organizeImports.ruff": "explicit"
+    }
+  },
     "markdownlint.config": {
         "MD024": false
     },
     "cSpell.words": [
-        "adkim",
-        "akamaiedge",
-        "amsmath",
-        "andrewmcgilvray",
-        "arcname",
-        "aspf",
-        "autoclass",
-        "automodule",
-        "backported",
-        "bellsouth",
-        "brakhane",
-        "Brightmail",
-        "CEST",
-        "CHACHA",
-        "checkdmarc",
-        "Codecov",
-        "confnew",
-        "dateparser",
-        "dateutil",
-        "Davmail",
-        "DBIP",
-        "dearmor",
-        "deflist",
-        "devel",
-        "DMARC",
-        "Dmarcian",
-        "dnspython",
-        "dollarmath",
-        "dpkg",
-        "exampleuser",
-        "expiringdict",
-        "fieldlist",
-        "genindex",
-        "geoipupdate",
-        "Geolite",
-        "geolocation",
-        "githubpages",
-        "Grafana",
-        "hostnames",
-        "htpasswd",
-        "httpasswd",
-        "IMAP",
-        "Interaktive",
-        "IPDB",
-        "journalctl",
-        "keepalive",
-        "keyout",
-        "keyrings",
-        "Leeman",
-        "libemail",
-        "linkify",
-        "LISTSERV",
-        "lxml",
-        "mailparser",
-        "mailrelay",
-        "mailsuite",
-        "maxdepth",
-        "maxmind",
-        "mbox",
-        "mfrom",
-        "michaeldavie",
-        "mikesiegel",
-        "mitigations",
-        "MMDB",
-        "modindex",
-        "msgconvert",
-        "msgraph",
-        "MSSP",
-        "Munge",
-        "ndjson",
-        "newkey",
-        "Nhcm",
-        "nojekyll",
-        "nondigest",
-        "nosecureimap",
-        "nosniff",
-        "nwettbewerb",
-        "parsedmarc",
-        "passsword",
-        "Postorius",
-        "premade",
-        "procs",
-        "publicsuffix",
-        "publixsuffix",
-        "pypy",
-        "quickstart",
-        "Reindex",
-        "replyto",
-        "reversename",
-        "Rollup",
-        "Rpdm",
-        "SAMEORIGIN",
-        "Servernameone",
-        "setuptools",
-        "smartquotes",
-        "SMTPTLS",
-        "sourcetype",
-        "STARTTLS",
-        "tasklist",
-        "timespan",
-        "tlsa",
-        "tlsrpt",
-        "toctree",
-        "TQDDM",
-        "tqdm",
-        "truststore",
-        "Übersicht",
-        "uids",
-        "unparasable",
-        "uper",
-        "urllib",
-        "Valimail",
-        "venv",
-        "Vhcw",
-        "viewcode",
-        "virtualenv",
-        "WBITS",
-        "webmail",
-        "Wettbewerber",
-        "Whalen",
-        "whitespaces",
-        "xennn",
-        "xmltodict",
-        "xpack",
-        "zscholl"
+      "adkim",
+      "akamaiedge",
+      "amsmath",
+      "andrewmcgilvray",
+      "arcname",
+      "aspf",
+      "autoclass",
+      "automodule",
+      "backported",
+      "bellsouth",
+      "boto",
+      "brakhane",
+      "Brightmail",
+      "CEST",
+      "CHACHA",
+      "checkdmarc",
+      "Codecov",
+      "confnew",
+      "dateparser",
+      "dateutil",
+      "Davmail",
+      "DBIP",
+      "dearmor",
+      "deflist",
+      "devel",
+      "DMARC",
+      "Dmarcian",
+      "dnspython",
+      "dollarmath",
+      "dpkg",
+      "exampleuser",
+      "expiringdict",
+      "fieldlist",
+      "GELF",
+      "genindex",
+      "geoip",
+      "geoipupdate",
+      "Geolite",
+      "geolocation",
+      "githubpages",
+      "Grafana",
+      "hostnames",
+      "htpasswd",
+      "httpasswd",
+      "httplib",
+      "ifhost",
+      "IMAP",
+      "imapclient",
+      "infile",
+      "Interaktive",
+      "IPDB",
+      "journalctl",
+      "kafkaclient",
+      "keepalive",
+      "keyout",
+      "keyrings",
+      "Leeman",
+      "libemail",
+      "linkify",
+      "LISTSERV",
+      "loganalytics",
+      "lxml",
+      "mailparser",
+      "mailrelay",
+      "mailsuite",
+      "maxdepth",
+      "MAXHEADERS",
+      "maxmind",
+      "mbox",
+      "mfrom",
+      "mhdw",
+      "michaeldavie",
+      "mikesiegel",
+      "Mimecast",
+      "mitigations",
+      "MMDB",
+      "modindex",
+      "msgconvert",
+      "msgraph",
+      "MSSP",
+      "multiprocess",
+      "Munge",
+      "ndjson",
+      "newkey",
+      "Nhcm",
+      "nojekyll",
+      "nondigest",
+      "nosecureimap",
+      "nosniff",
+      "nwettbewerb",
+      "opensearch",
+      "opensearchpy",
+      "parsedmarc",
+      "passsword",
+      "pbar",
+      "Postorius",
+      "premade",
+      "privatesuffix",
+      "procs",
+      "publicsuffix",
+      "publicsuffixlist",
+      "publixsuffix",
+      "pygelf",
+      "pypy",
+      "pytest",
+      "quickstart",
+      "Reindex",
+      "replyto",
+      "reversename",
+      "Rollup",
+      "Rpdm",
+      "SAMEORIGIN",
+      "sdist",
+      "Servernameone",
+      "setuptools",
+      "smartquotes",
+      "SMTPTLS",
+      "sortlists",
+      "sortmaps",
+      "sourcetype",
+      "STARTTLS",
+      "tasklist",
+      "timespan",
+      "tlsa",
+      "tlsrpt",
+      "toctree",
+      "TQDDM",
+      "tqdm",
+      "truststore",
+      "Übersicht",
+      "uids",
+      "Uncategorized",
+      "unparasable",
+      "uper",
+      "urllib",
+      "Valimail",
+      "venv",
+      "Vhcw",
+      "viewcode",
+      "virtualenv",
+      "WBITS",
+      "webmail",
+      "Wettbewerber",
+      "Whalen",
+      "whitespaces",
+      "xennn",
+      "xmltodict",
+      "xpack",
+      "zscholl"
     ],
 }

Dockerfile

@@ -1,4 +1,4 @@
-ARG BASE_IMAGE=python:3.9-slim
+ARG BASE_IMAGE=python:3.13-slim
 ARG USERNAME=parsedmarc
 ARG USER_UID=1000
 ARG USER_GID=$USER_UID

README.md

@@ -9,7 +9,7 @@ Package](https://img.shields.io/pypi/v/parsedmarc.svg)](https://pypi.org/project
 [![PyPI - Downloads](https://img.shields.io/pypi/dm/parsedmarc?color=blue)](https://pypistats.org/packages/parsedmarc)
 
 <p align="center">
-  <img src="https://github.com/domainaware/parsedmarc/raw/master/docs/source/_static/screenshots/dmarc-summary-charts.png?raw=true" alt="A screenshot of DMARC summary charts in Kibana"/>
+  <img src="https://raw.githubusercontent.com/domainaware/parsedmarc/refs/heads/master/docs/source/_static/screenshots/dmarc-summary-charts.png?raw=true" alt="A screenshot of DMARC summary charts in Kibana"/>
 </p>
 
 `parsedmarc` is a Python module and CLI utility for parsing DMARC
@@ -23,25 +23,42 @@ ProofPoint Email Fraud Defense, and Valimail.
 
 ## Help Wanted
 
-This project is maintained by one developer. Please consider
-reviewing the open
-[issues](https://github.com/domainaware/parsedmarc/issues) to see how
-you can contribute code, documentation, or user support. Assistance on
-the pinned issues would be particularly helpful.
+This project is maintained by one developer. Please consider reviewing the open
+[issues](https://github.com/domainaware/parsedmarc/issues) to see how you can
+contribute code, documentation, or user support. Assistance on the pinned
+issues would be particularly helpful.
 
 Thanks to all
 [contributors](https://github.com/domainaware/parsedmarc/graphs/contributors)!
 
 ## Features
 
-- Parses draft and 1.0 standard aggregate/rua reports
-- Parses forensic/failure/ruf reports
-- Can parse reports from an inbox over IMAP, Microsoft Graph, or Gmail
-    API
+- Parses draft and 1.0 standard aggregate/rua DMARC reports
+- Parses forensic/failure/ruf DMARC reports
+- Parses reports from SMTP TLS Reporting
+- Can parse reports from an inbox over IMAP, Microsoft Graph, or Gmail API
 - Transparently handles gzip or zip compressed reports
 - Consistent data structures
 - Simple JSON and/or CSV output
 - Optionally email the results
-- Optionally send the results to Elasticsearch, Opensearch, and/or Splunk, for use
-    with premade dashboards
+- Optionally send the results to Elasticsearch, Opensearch, and/or Splunk, for
+  use with premade dashboards
 - Optionally send reports to Apache Kafka
+
+## Python Compatibility
+
+This project supports the following Python versions, which are either actively maintained or are the default versions
+for RHEL or Debian.
+
+| Version | Supported | Reason                                                     |
+|---------|-----------|------------------------------------------------------------|
+| < 3.6   | ❌         | End of Life (EOL)                                          |
+| 3.6     | ❌         | Used in RHEL 8, but not supported by project dependencies |
+| 3.7     | ❌         | End of Life (EOL)                                          |
+| 3.8     | ❌         | End of Life (EOL)                                          |
+| 3.9     | ✅         | Supported until August 2026 (Debian 11); May 2032 (RHEL 9) |
+| 3.10    | ✅         | Actively maintained                                        |
+| 3.11    | ✅         | Actively maintained; supported until June 2028 (Debian 12) |
+| 3.12    | ✅         | Actively maintained; supported until May 2035 (RHEL 10)    |
+| 3.13    | ✅         | Actively maintained; supported until June 2030 (Debian 13) |
+| 3.14    | ✅         | Actively maintained                                        |

build.sh

@@ -9,17 +9,19 @@ fi
 . venv/bin/activate
 pip install .[build]
 ruff format .
-ruff check .
 cd docs
 make clean 
 make html
 touch build/html/.nojekyll
-if [  -d "./../parsedmarc-docs" ]; then
+if [  -d "../../parsedmarc-docs" ]; then
   cp -rf build/html/* ../../parsedmarc-docs/
 fi
 cd ..
-sort -o "parsedmarc/resources/maps/known_unknown_base_reverse_dns.txt" "parsedmarc/resources/maps/known_unknown_base_reverse_dns.txt"
-./sortmaps.py
+cd parsedmarc/resources/maps
+python3 sortlists.py
+echo "Checking for invalid UTF-8 bytes in base_reverse_dns_map.csv"
+python3 find_bad_utf8.py base_reverse_dns_map.csv
+cd ../../..
 python3 tests.py
 rm -rf dist/ build/
-hatch build
+hatch build

docker-compose.yml

@@ -1,8 +1,6 @@
-version: '3.7'
-
 services:
   elasticsearch:
-    image: docker.elastic.co/elasticsearch/elasticsearch:8.3.1
+    image: docker.elastic.co/elasticsearch/elasticsearch:8.19.7
     environment:
       - network.host=127.0.0.1
       - http.host=0.0.0.0
@@ -14,7 +12,7 @@ services:
       - xpack.security.enabled=false
       - xpack.license.self_generated.type=basic
     ports:
-      - 127.0.0.1:9200:9200
+      - "127.0.0.1:9200:9200"
     ulimits:
       memlock:
         soft: -1
@@ -30,7 +28,7 @@ services:
       retries: 24
 
   opensearch:
-    image: opensearchproject/opensearch:2.18.0
+    image: opensearchproject/opensearch:2
     environment:
       - network.host=127.0.0.1
       - http.host=0.0.0.0
@@ -41,7 +39,7 @@ services:
       - bootstrap.memory_lock=true
       - OPENSEARCH_INITIAL_ADMIN_PASSWORD=${OPENSEARCH_INITIAL_ADMIN_PASSWORD}
     ports:
-      - 127.0.0.1:9201:9200
+      - "127.0.0.1:9201:9200"
     ulimits:
       memlock:
         soft: -1

docs/source/api.md

@@ -21,7 +21,6 @@
    :members:
 ```
 
-
 ## parsedmarc.splunk
 
 ```{eval-rst}
@@ -29,6 +28,13 @@
    :members:
 ```
 
+## parsedmarc.types
+
+```{eval-rst}
+.. automodule:: parsedmarc.types
+   :members:
+```
+
 ## parsedmarc.utils
 
 ```{eval-rst}

docs/source/conf.py

@@ -20,7 +20,7 @@ from parsedmarc import __version__
 # -- Project information -----------------------------------------------------
 
 project = "parsedmarc"
-copyright = "2018 - 2023, Sean Whalen and contributors"
+copyright = "2018 - 2025, Sean Whalen and contributors"
 author = "Sean Whalen and contributors"
 
 # The version info for the project you're documenting, acts as replacement for

docs/source/index.md

@@ -33,17 +33,36 @@ and Valimail.
 
 ## Features
 
-- Parses draft and 1.0 standard aggregate/rua reports
-- Parses forensic/failure/ruf reports
+- Parses draft and 1.0 standard aggregate/rua DMARC reports
+- Parses forensic/failure/ruf DMARC reports
+- Parses reports from SMTP TLS Reporting
 - Can parse reports from an inbox over IMAP, Microsoft Graph, or Gmail API
 - Transparently handles gzip or zip compressed reports
 - Consistent data structures
 - Simple JSON and/or CSV output
 - Optionally email the results
-- Optionally send the results to Elasticsearch/OpenSearch and/or Splunk, for use with
-  premade dashboards
+- Optionally send the results to Elasticsearch, Opensearch, and/or Splunk, for use
+    with premade dashboards
 - Optionally send reports to Apache Kafka
 
+## Python Compatibility
+
+This project supports the following Python versions, which are either actively maintained or are the default versions
+for RHEL or Debian.
+
+| Version | Supported | Reason                                                     |
+|---------|-----------|------------------------------------------------------------|
+| < 3.6   | ❌         | End of Life (EOL)                                          |
+| 3.6     | ❌         | Used in RHEL 8, but not supported by project dependencies |
+| 3.7     | ❌         | End of Life (EOL)                                          |
+| 3.8     | ❌         | End of Life (EOL)                                          |
+| 3.9     | ✅         | Supported until August 2026 (Debian 11); May 2032 (RHEL 9) |
+| 3.10    | ✅         | Actively maintained                                        |
+| 3.11    | ✅         | Actively maintained; supported until June 2028 (Debian 12) |
+| 3.12    | ✅         | Actively maintained; supported until May 2035 (RHEL 10)    |
+| 3.13    | ✅         | Actively maintained; supported until June 2030 (Debian 13) |
+| 3.14    | ✅         | Actively maintained                                        |
+
 ```{toctree}
 :caption: 'Contents'
 :maxdepth: 2

docs/source/installation.md

@@ -199,7 +199,7 @@ sudo apt-get install libemail-outlook-message-perl
 [geoipupdate releases page on github]: https://github.com/maxmind/geoipupdate/releases
 [ip to country lite database]: https://db-ip.com/db/download/ip-to-country-lite
 [license keys]: https://www.maxmind.com/en/accounts/current/license-key
-[maxmind geoipupdate page]: https://dev.maxmind.com/geoip/geoipupdate/
+[maxmind geoipupdate page]: https://dev.maxmind.com/geoip/updating-databases/
 [maxmind geolite2 country database]: https://dev.maxmind.com/geoip/geolite2-free-geolocation-data
 [registering for a free geolite2 account]: https://www.maxmind.com/en/geolite2/signup
 [to comply with various privacy regulations]: https://blog.maxmind.com/2019/12/18/significant-changes-to-accessing-and-using-geolite2-databases/

docs/source/output.md

@@ -23,6 +23,8 @@ of the report schema.
     "report_id": "9391651994964116463",
     "begin_date": "2012-04-27 20:00:00",
     "end_date": "2012-04-28 19:59:59",
+    "timespan_requires_normalization": false,
+    "original_timespan_seconds": 86399,
     "errors": []
   },
   "policy_published": {
@@ -39,8 +41,10 @@ of the report schema.
       "source": {
         "ip_address": "72.150.241.94",
         "country": "US",
-        "reverse_dns": "adsl-72-150-241-94.shv.bellsouth.net",
-        "base_domain": "bellsouth.net"
+        "reverse_dns": null,
+        "base_domain": null,
+        "name": null,
+        "type": null
       },
       "count": 2,
       "alignment": {
@@ -74,7 +78,10 @@ of the report schema.
             "result": "pass"
           }
         ]
-      }
+      },
+      "normalized_timespan": false,
+      "interval_begin": "2012-04-28 00:00:00",
+      "interval_end": "2012-04-28 23:59:59"
     }
   ]
 }
@@ -83,8 +90,10 @@ of the report schema.
 ### CSV aggregate report
 
 ```text
-xml_schema,org_name,org_email,org_extra_contact_info,report_id,begin_date,end_date,errors,domain,adkim,aspf,p,sp,pct,fo,source_ip_address,source_country,source_reverse_dns,source_base_domain,count,spf_aligned,dkim_aligned,dmarc_aligned,disposition,policy_override_reasons,policy_override_comments,envelope_from,header_from,envelope_to,dkim_domains,dkim_selectors,dkim_results,spf_domains,spf_scopes,spf_results
-draft,acme.com,noreply-dmarc-support@acme.com,http://acme.com/dmarc/support,9391651994964116463,2012-04-27 20:00:00,2012-04-28 19:59:59,,example.com,r,r,none,none,100,0,72.150.241.94,US,adsl-72-150-241-94.shv.bellsouth.net,bellsouth.net,2,True,False,True,none,,,example.com,example.com,,example.com,none,fail,example.com,mfrom,pass
+xml_schema,org_name,org_email,org_extra_contact_info,report_id,begin_date,end_date,normalized_timespan,errors,domain,adkim,aspf,p,sp,pct,fo,source_ip_address,source_country,source_reverse_dns,source_base_domain,source_name,source_type,count,spf_aligned,dkim_aligned,dmarc_aligned,disposition,policy_override_reasons,policy_override_comments,envelope_from,header_from,envelope_to,dkim_domains,dkim_selectors,dkim_results,spf_domains,spf_scopes,spf_results
+draft,acme.com,noreply-dmarc-support@acme.com,http://acme.com/dmarc/support,9391651994964116463,2012-04-28 00:00:00,2012-04-28 23:59:59,False,,example.com,r,r,none,none,100,0,72.150.241.94,US,,,,,2,True,False,True,none,,,example.com,example.com,,example.com,none,fail,example.com,mfrom,pass
+draft,acme.com,noreply-dmarc-support@acme.com,http://acme.com/dmarc/support,9391651994964116463,2012-04-28 00:00:00,2012-04-28 23:59:59,False,,example.com,r,r,none,none,100,0,72.150.241.94,US,,,,,2,True,False,True,none,,,example.com,example.com,,example.com,none,fail,example.com,mfrom,pass
+
 ```
 
 ## Sample forensic report output

docs/source/usage.md

@@ -4,47 +4,50 @@
 
 ```text
 usage: parsedmarc [-h] [-c CONFIG_FILE] [--strip-attachment-payloads] [-o OUTPUT]
-                   [--aggregate-json-filename AGGREGATE_JSON_FILENAME]
-                   [--forensic-json-filename FORENSIC_JSON_FILENAME]
-                   [--aggregate-csv-filename AGGREGATE_CSV_FILENAME]
-                   [--forensic-csv-filename FORENSIC_CSV_FILENAME]
-                   [-n NAMESERVERS [NAMESERVERS ...]] [-t DNS_TIMEOUT] [--offline]
-                   [-s] [--verbose] [--debug] [--log-file LOG_FILE] [-v]
-                   [file_path ...]
+                  [--aggregate-json-filename AGGREGATE_JSON_FILENAME] [--forensic-json-filename FORENSIC_JSON_FILENAME]
+                  [--smtp-tls-json-filename SMTP_TLS_JSON_FILENAME] [--aggregate-csv-filename AGGREGATE_CSV_FILENAME]
+                  [--forensic-csv-filename FORENSIC_CSV_FILENAME] [--smtp-tls-csv-filename SMTP_TLS_CSV_FILENAME]
+                  [-n NAMESERVERS [NAMESERVERS ...]] [-t DNS_TIMEOUT] [--offline] [-s] [-w] [--verbose] [--debug]
+                  [--log-file LOG_FILE] [--no-prettify-json] [-v]
+                  [file_path ...]
 
- Parses DMARC reports
+Parses DMARC reports
 
- positional arguments:
-   file_path             one or more paths to aggregate or forensic report
-                         files, emails, or mbox files'
+positional arguments:
+  file_path             one or more paths to aggregate or forensic report files, emails, or mbox files'
 
- optional arguments:
-   -h, --help            show this help message and exit
-   -c CONFIG_FILE, --config-file CONFIG_FILE
-                         a path to a configuration file (--silent implied)
-   --strip-attachment-payloads
-                         remove attachment payloads from forensic report output
-   -o OUTPUT, --output OUTPUT
-                         write output files to the given directory
-   --aggregate-json-filename AGGREGATE_JSON_FILENAME
-                         filename for the aggregate JSON output file
-   --forensic-json-filename FORENSIC_JSON_FILENAME
-                         filename for the forensic JSON output file
-   --aggregate-csv-filename AGGREGATE_CSV_FILENAME
-                         filename for the aggregate CSV output file
-   --forensic-csv-filename FORENSIC_CSV_FILENAME
-                         filename for the forensic CSV output file
-   -n NAMESERVERS [NAMESERVERS ...], --nameservers NAMESERVERS [NAMESERVERS ...]
-                         nameservers to query
-   -t DNS_TIMEOUT, --dns_timeout DNS_TIMEOUT
-                         number of seconds to wait for an answer from DNS
-                         (default: 2.0)
-   --offline             do not make online queries for geolocation or DNS
-   -s, --silent          only print errors and warnings
-   --verbose             more verbose output
-   --debug               print debugging information
-   --log-file LOG_FILE   output logging to a file
-   -v, --version         show program's version number and exit
+options:
+  -h, --help            show this help message and exit
+  -c CONFIG_FILE, --config-file CONFIG_FILE
+                        a path to a configuration file (--silent implied)
+  --strip-attachment-payloads
+                        remove attachment payloads from forensic report output
+  -o OUTPUT, --output OUTPUT
+                        write output files to the given directory
+  --aggregate-json-filename AGGREGATE_JSON_FILENAME
+                        filename for the aggregate JSON output file
+  --forensic-json-filename FORENSIC_JSON_FILENAME
+                        filename for the forensic JSON output file
+  --smtp-tls-json-filename SMTP_TLS_JSON_FILENAME
+                        filename for the SMTP TLS JSON output file
+  --aggregate-csv-filename AGGREGATE_CSV_FILENAME
+                        filename for the aggregate CSV output file
+  --forensic-csv-filename FORENSIC_CSV_FILENAME
+                        filename for the forensic CSV output file
+  --smtp-tls-csv-filename SMTP_TLS_CSV_FILENAME
+                        filename for the SMTP TLS CSV output file
+  -n NAMESERVERS [NAMESERVERS ...], --nameservers NAMESERVERS [NAMESERVERS ...]
+                        nameservers to query
+  -t DNS_TIMEOUT, --dns_timeout DNS_TIMEOUT
+                        number of seconds to wait for an answer from DNS (default: 2.0)
+  --offline             do not make online queries for geolocation or DNS
+  -s, --silent          only print errors
+  -w, --warnings        print warnings in addition to errors
+  --verbose             more verbose output
+  --debug               print debugging information
+  --log-file LOG_FILE   output logging to a file
+  --no-prettify-json    output JSON in a single line without indentation
+  -v, --version         show program's version number and exit
 ```
 
 :::{note}
@@ -120,8 +123,10 @@ The full set of configuration options are:
       Elasticsearch, Splunk and/or S3
   - `save_smtp_tls` - bool: Save SMTP-STS report data to
       Elasticsearch, Splunk and/or S3
+  - `index_prefix_domain_map` -  bool: A path mapping of Opensearch/Elasticsearch index prefixes to domain names
   - `strip_attachment_payloads` - bool: Remove attachment
       payloads from results
+  - `silent` - bool: Set this to `False` to output results to STDOUT
   - `output` - str: Directory to place JSON and CSV files in.  This is required if you set either of the JSON output file options.
   - `aggregate_json_filename` - str: filename for the aggregate
       JSON output file
@@ -167,7 +172,7 @@ The full set of configuration options are:
       IDLE response or the number of seconds until the next
       mail check (Default: `30`)
   - `since` - str: Search for messages since certain time. (Examples: `5m|3h|2d|1w`) 
-      Acceptable units - {"m":"minutes", "h":"hours", "d":"days", "w":"weeks"}). 
+      Acceptable units - {"m":"minutes", "h":"hours", "d":"days", "w":"weeks"}. 
       Defaults to `1d` if incorrect value is provided.
 - `imap`
   - `host` - str: The IMAP server hostname or IP address
@@ -252,7 +257,7 @@ The full set of configuration options are:
     :::
   - `user` - str: Basic auth username
   - `password` - str: Basic auth password
-  - `apiKey` - str: API key
+  - `api_key` - str: API key
   - `ssl` - bool: Use an encrypted SSL/TLS connection
     (Default: `True`)
   - `timeout` - float: Timeout in seconds (Default: 60)
@@ -275,7 +280,7 @@ The full set of configuration options are:
     :::
   - `user` - str: Basic auth username
   - `password` - str: Basic auth password
-  - `apiKey` - str: API key
+  - `api_key` - str: API key
   - `ssl` - bool: Use an encrypted SSL/TLS connection
     (Default: `True`)
   - `timeout` - float: Timeout in seconds (Default: 60)
@@ -369,7 +374,7 @@ The full set of configuration options are:
   - `mode` - str: The GELF transport type to use. Valid modes: `tcp`, `udp`, `tls`
 
 - `maildir`
-  - `reports_folder` - str: Full path for mailbox maidir location (Default: `INBOX`)
+  - `maildir_path` - str: Full path for mailbox maidir location (Default: `INBOX`)
   - `maildir_create` - bool: Create maildir if not present (Default: False)
 
 - `webhook` - Post the individual reports to a webhook url with the report as the JSON body
@@ -445,6 +450,28 @@ PUT _cluster/settings
 Increasing this value increases resource usage.
 :::
 
+## Multi-tenant support
+
+Starting in `8.19.0`, ParseDMARC provides multi-tenant support by placing data into separate OpenSearch or Elasticsearch index prefixes. To set this up, create a YAML file that is formatted where each key is a tenant name, and the value is a list of domains related to that tenant, not including subdomains, like this:
+
+```yaml
+example:
+  - example.com
+  - example.net
+  - example.org
+
+whalensolutions:
+  - whalensolutions.com
+```
+
+Save it to disk where the user running ParseDMARC can read it, then set `index_prefix_domain_map` to that filepath in the `[general]` section of the ParseDMARC configuration file and do not set an `index_prefix` option in the `[elasticsearch]` or `[opensearch]` sections.
+
+When configured correctly, if ParseDMARC finds that a report is related to a domain in the mapping, the report will be saved in an index name that has the tenant name prefixed to it with a trailing underscore. Then, you can use the security features of Opensearch or the ELK stack to only grant users access to the indexes that they need.
+
+ :::{note}
+ A domain cannot be used in multiple tenant lists. Only the first prefix list that contains the matching domain is used.
+:::
+
 ## Running parsedmarc as a systemd service
 
 Use systemd to run `parsedmarc` as a service and process reports as

parsedmarc/cli.py

@@ -3,53 +3,55 @@
 
 """A CLI for parsing DMARC reports"""
 
-from argparse import Namespace, ArgumentParser
+import http.client
+import json
+import logging
 import os
+import sys
+from argparse import ArgumentParser, Namespace
 from configparser import ConfigParser
 from glob import glob
-import logging
-import math
-from collections import OrderedDict
-import json
-from ssl import CERT_NONE, create_default_context
 from multiprocessing import Pipe, Process
-import sys
-import http.client
+from ssl import CERT_NONE, create_default_context
+
+import yaml
 from tqdm import tqdm
 
 from parsedmarc import (
-    get_dmarc_reports_from_mailbox,
-    watch_inbox,
-    parse_report_file,
-    get_dmarc_reports_from_mbox,
-    elastic,
-    opensearch,
-    kafkaclient,
-    splunk,
-    save_output,
-    email_results,
+    SEEN_AGGREGATE_REPORT_IDS,
+    InvalidDMARCReport,
     ParserError,
     __version__,
-    InvalidDMARCReport,
-    s3,
-    syslog,
-    loganalytics,
+    elastic,
+    email_results,
     gelf,
+    get_dmarc_reports_from_mailbox,
+    get_dmarc_reports_from_mbox,
+    kafkaclient,
+    loganalytics,
+    opensearch,
+    parse_report_file,
+    s3,
+    save_output,
+    splunk,
+    syslog,
+    watch_inbox,
     webhook,
 )
+from parsedmarc.log import logger
 from parsedmarc.mail import (
-    IMAPConnection,
-    MSGraphConnection,
     GmailConnection,
+    IMAPConnection,
     MaildirConnection,
+    MSGraphConnection,
 )
 from parsedmarc.mail.graph import AuthMethod
+from parsedmarc.types import ParsingResults
+from parsedmarc.utils import get_base_domain, get_reverse_dns, is_mbox
 
-from parsedmarc.log import logger
-from parsedmarc.utils import is_mbox, get_reverse_dns
-from parsedmarc import SEEN_AGGREGATE_REPORT_IDS
-
-http.client._MAXHEADERS = 200  # pylint:disable=protected-access
+# Increase the max header limit for very large emails. `_MAXHEADERS` is a
+# private stdlib attribute and may not exist in type stubs.
+setattr(http.client, "_MAXHEADERS", 200)
 
 formatter = logging.Formatter(
     fmt="%(levelname)8s:%(filename)s:%(lineno)d:%(message)s",
@@ -66,6 +68,48 @@ def _str_to_list(s):
     return list(map(lambda i: i.lstrip(), _list))
 
 
+def _configure_logging(log_level, log_file=None):
+    """
+    Configure logging for the current process.
+    This is needed for child processes to properly log messages.
+
+    Args:
+        log_level: The logging level (e.g., logging.DEBUG, logging.WARNING)
+        log_file: Optional path to log file
+    """
+    # Get the logger
+    from parsedmarc.log import logger
+
+    # Set the log level
+    logger.setLevel(log_level)
+
+    # Add StreamHandler with formatter if not already present
+    # Check if we already have a StreamHandler to avoid duplicates
+    # Use exact type check to distinguish from FileHandler subclass
+    has_stream_handler = any(type(h) is logging.StreamHandler for h in logger.handlers)
+
+    if not has_stream_handler:
+        formatter = logging.Formatter(
+            fmt="%(levelname)8s:%(filename)s:%(lineno)d:%(message)s",
+            datefmt="%Y-%m-%d:%H:%M:%S",
+        )
+        handler = logging.StreamHandler()
+        handler.setFormatter(formatter)
+        logger.addHandler(handler)
+
+    # Add FileHandler if log_file is specified
+    if log_file:
+        try:
+            fh = logging.FileHandler(log_file, "a")
+            formatter = logging.Formatter(
+                "%(asctime)s - %(levelname)s - [%(filename)s:%(lineno)d] - %(message)s"
+            )
+            fh.setFormatter(formatter)
+            logger.addHandler(fh)
+        except (IOError, OSError, PermissionError) as error:
+            logger.warning("Unable to write to log file: {}".format(error))
+
+
 def cli_parse(
     file_path,
     sa,
@@ -76,9 +120,31 @@ def cli_parse(
     always_use_local_files,
     reverse_dns_map_path,
     reverse_dns_map_url,
+    normalize_timespan_threshold_hours,
     conn,
+    log_level=logging.ERROR,
+    log_file=None,
 ):
-    """Separated this function for multiprocessing"""
+    """Separated this function for multiprocessing
+
+    Args:
+        file_path: Path to the report file
+        sa: Strip attachment payloads flag
+        nameservers: List of nameservers
+        dns_timeout: DNS timeout
+        ip_db_path: Path to IP database
+        offline: Offline mode flag
+        always_use_local_files: Always use local files flag
+        reverse_dns_map_path: Path to reverse DNS map
+        reverse_dns_map_url: URL to reverse DNS map
+        normalize_timespan_threshold_hours: Timespan threshold
+        conn: Pipe connection for IPC
+        log_level: Logging level for this process
+        log_file: Optional path to log file
+    """
+    # Configure logging in this child process
+    _configure_logging(log_level, log_file)
+
     try:
         file_results = parse_report_file(
             file_path,
@@ -90,6 +156,7 @@ def cli_parse(
             nameservers=nameservers,
             dns_timeout=dns_timeout,
             strip_attachment_payloads=sa,
+            normalize_timespan_threshold_hours=normalize_timespan_threshold_hours,
         )
         conn.send([file_results, file_path])
     except ParserError as error:
@@ -101,14 +168,42 @@ def cli_parse(
 def _main():
     """Called when the module is executed"""
 
+    def get_index_prefix(report):
+        domain = None
+        if index_prefix_domain_map is None:
+            return None
+        if "policy_published" in report:
+            domain = report["policy_published"]["domain"]
+        elif "reported_domain" in report:
+            domain = report("reported_domain")
+        elif "policies" in report:
+            domain = report["policies"][0]["domain"]
+        if domain:
+            domain = get_base_domain(domain)
+            for prefix in index_prefix_domain_map:
+                if domain in index_prefix_domain_map[prefix]:
+                    prefix = (
+                        prefix.lower()
+                        .strip()
+                        .strip("_")
+                        .replace(" ", "_")
+                        .replace("-", "_")
+                    )
+                    prefix = f"{prefix}_"
+                    return prefix
+        return None
+
     def process_reports(reports_):
-        output_str = "{0}\n".format(json.dumps(reports_, ensure_ascii=False, indent=2))
+        indent_value = 2 if opts.prettify_json else None
+        output_str = "{0}\n".format(
+            json.dumps(reports_, ensure_ascii=False, indent=indent_value)
+        )
 
         if not opts.silent:
             print(output_str)
         if opts.output:
             save_output(
-                results,
+                reports_,
                 output_directory=opts.output,
                 aggregate_json_filename=opts.aggregate_json_filename,
                 forensic_json_filename=opts.forensic_json_filename,
@@ -126,7 +221,8 @@ def _main():
                         elastic.save_aggregate_report_to_elasticsearch(
                             report,
                             index_suffix=opts.elasticsearch_index_suffix,
-                            index_prefix=opts.elasticsearch_index_prefix,
+                            index_prefix=opts.elasticsearch_index_prefix
+                            or get_index_prefix(report),
                             monthly_indexes=opts.elasticsearch_monthly_indexes,
                             number_of_shards=shards,
                             number_of_replicas=replicas,
@@ -147,7 +243,8 @@ def _main():
                         opensearch.save_aggregate_report_to_opensearch(
                             report,
                             index_suffix=opts.opensearch_index_suffix,
-                            index_prefix=opts.opensearch_index_prefix,
+                            index_prefix=opts.opensearch_index_prefix
+                            or get_index_prefix(report),
                             monthly_indexes=opts.opensearch_monthly_indexes,
                             number_of_shards=shards,
                             number_of_replicas=replicas,
@@ -189,8 +286,9 @@ def _main():
 
                 try:
                     if opts.webhook_aggregate_url:
+                        indent_value = 2 if opts.prettify_json else None
                         webhook_client.save_aggregate_report_to_webhook(
-                            json.dumps(report, ensure_ascii=False, indent=2)
+                            json.dumps(report, ensure_ascii=False, indent=indent_value)
                         )
                 except Exception as error_:
                     logger.error("Webhook Error: {0}".format(error_.__str__()))
@@ -212,7 +310,8 @@ def _main():
                         elastic.save_forensic_report_to_elasticsearch(
                             report,
                             index_suffix=opts.elasticsearch_index_suffix,
-                            index_prefix=opts.elasticsearch_index_prefix,
+                            index_prefix=opts.elasticsearch_index_prefix
+                            or get_index_prefix(report),
                             monthly_indexes=opts.elasticsearch_monthly_indexes,
                             number_of_shards=shards,
                             number_of_replicas=replicas,
@@ -231,7 +330,8 @@ def _main():
                         opensearch.save_forensic_report_to_opensearch(
                             report,
                             index_suffix=opts.opensearch_index_suffix,
-                            index_prefix=opts.opensearch_index_prefix,
+                            index_prefix=opts.opensearch_index_prefix
+                            or get_index_prefix(report),
                             monthly_indexes=opts.opensearch_monthly_indexes,
                             number_of_shards=shards,
                             number_of_replicas=replicas,
@@ -271,8 +371,9 @@ def _main():
 
                 try:
                     if opts.webhook_forensic_url:
+                        indent_value = 2 if opts.prettify_json else None
                         webhook_client.save_forensic_report_to_webhook(
-                            json.dumps(report, ensure_ascii=False, indent=2)
+                            json.dumps(report, ensure_ascii=False, indent=indent_value)
                         )
                 except Exception as error_:
                     logger.error("Webhook Error: {0}".format(error_.__str__()))
@@ -294,7 +395,8 @@ def _main():
                         elastic.save_smtp_tls_report_to_elasticsearch(
                             report,
                             index_suffix=opts.elasticsearch_index_suffix,
-                            index_prefix=opts.elasticsearch_index_prefix,
+                            index_prefix=opts.elasticsearch_index_prefix
+                            or get_index_prefix(report),
                             monthly_indexes=opts.elasticsearch_monthly_indexes,
                             number_of_shards=shards,
                             number_of_replicas=replicas,
@@ -313,7 +415,8 @@ def _main():
                         opensearch.save_smtp_tls_report_to_opensearch(
                             report,
                             index_suffix=opts.opensearch_index_suffix,
-                            index_prefix=opts.opensearch_index_prefix,
+                            index_prefix=opts.opensearch_index_prefix
+                            or get_index_prefix(report),
                             monthly_indexes=opts.opensearch_monthly_indexes,
                             number_of_shards=shards,
                             number_of_replicas=replicas,
@@ -353,8 +456,9 @@ def _main():
 
                 try:
                     if opts.webhook_smtp_tls_url:
+                        indent_value = 2 if opts.prettify_json else None
                         webhook_client.save_smtp_tls_report_to_webhook(
-                            json.dumps(report, ensure_ascii=False, indent=2)
+                            json.dumps(report, ensure_ascii=False, indent=indent_value)
                         )
                 except Exception as error_:
                     logger.error("Webhook Error: {0}".format(error_.__str__()))
@@ -475,6 +579,12 @@ def _main():
         "--debug", action="store_true", help="print debugging information"
     )
     arg_parser.add_argument("--log-file", default=None, help="output logging to a file")
+    arg_parser.add_argument(
+        "--no-prettify-json",
+        action="store_false",
+        dest="prettify_json",
+        help="output JSON in a single line without indentation",
+    )
     arg_parser.add_argument("-v", "--version", action="version", version=__version__)
 
     aggregate_reports = []
@@ -504,6 +614,7 @@ def _main():
         dns_timeout=args.dns_timeout,
         debug=args.debug,
         verbose=args.verbose,
+        prettify_json=args.prettify_json,
         save_aggregate=False,
         save_forensic=False,
         save_smtp_tls=False,
@@ -547,7 +658,7 @@ def _main():
         elasticsearch_monthly_indexes=False,
         elasticsearch_username=None,
         elasticsearch_password=None,
-        elasticsearch_apiKey=None,
+        elasticsearch_api_key=None,
         opensearch_hosts=None,
         opensearch_timeout=60,
         opensearch_number_of_shards=1,
@@ -559,7 +670,7 @@ def _main():
         opensearch_monthly_indexes=False,
         opensearch_username=None,
         opensearch_password=None,
-        opensearch_apiKey=None,
+        opensearch_api_key=None,
         kafka_hosts=None,
         kafka_username=None,
         kafka_password=None,
@@ -615,6 +726,7 @@ def _main():
         webhook_forensic_url=None,
         webhook_smtp_tls_url=None,
         webhook_timeout=60,
+        normalize_timespan_threshold_hours=24.0,
     )
     args = arg_parser.parse_args()
 
@@ -625,14 +737,24 @@ def _main():
             exit(-1)
         opts.silent = True
         config = ConfigParser()
+        index_prefix_domain_map = None
         config.read(args.config_file)
         if "general" in config.sections():
             general_config = config["general"]
+            if "silent" in general_config:
+                opts.silent = bool(general_config.getboolean("silent"))
+            if "normalize_timespan_threshold_hours" in general_config:
+                opts.normalize_timespan_threshold_hours = general_config.getfloat(
+                    "normalize_timespan_threshold_hours"
+                )
+            if "index_prefix_domain_map" in general_config:
+                with open(general_config["index_prefix_domain_map"]) as f:
+                    index_prefix_domain_map = yaml.safe_load(f)
             if "offline" in general_config:
-                opts.offline = general_config.getboolean("offline")
+                opts.offline = bool(general_config.getboolean("offline"))
             if "strip_attachment_payloads" in general_config:
-                opts.strip_attachment_payloads = general_config.getboolean(
-                    "strip_attachment_payloads"
+                opts.strip_attachment_payloads = bool(
+                    general_config.getboolean("strip_attachment_payloads")
                 )
             if "output" in general_config:
                 opts.output = general_config["output"]
@@ -650,6 +772,8 @@ def _main():
                 opts.smtp_tls_csv_filename = general_config["smtp_tls_csv_filename"]
             if "dns_timeout" in general_config:
                 opts.dns_timeout = general_config.getfloat("dns_timeout")
+                if opts.dns_timeout is None:
+                    opts.dns_timeout = 2
             if "dns_test_address" in general_config:
                 opts.dns_test_address = general_config["dns_test_address"]
             if "nameservers" in general_config:
@@ -672,19 +796,19 @@ def _main():
                     )
                     exit(-1)
             if "save_aggregate" in general_config:
-                opts.save_aggregate = general_config["save_aggregate"]
+                opts.save_aggregate = bool(general_config.getboolean("save_aggregate"))
             if "save_forensic" in general_config:
-                opts.save_forensic = general_config["save_forensic"]
+                opts.save_forensic = bool(general_config.getboolean("save_forensic"))
             if "save_smtp_tls" in general_config:
-                opts.save_smtp_tls = general_config["save_smtp_tls"]
+                opts.save_smtp_tls = bool(general_config.getboolean("save_smtp_tls"))
             if "debug" in general_config:
-                opts.debug = general_config.getboolean("debug")
+                opts.debug = bool(general_config.getboolean("debug"))
             if "verbose" in general_config:
-                opts.verbose = general_config.getboolean("verbose")
+                opts.verbose = bool(general_config.getboolean("verbose"))
             if "silent" in general_config:
-                opts.silent = general_config.getboolean("silent")
+                opts.silent = bool(general_config.getboolean("silent"))
             if "warnings" in general_config:
-                opts.warnings = general_config.getboolean("warnings")
+                opts.warnings = bool(general_config.getboolean("warnings"))
             if "log_file" in general_config:
                 opts.log_file = general_config["log_file"]
             if "n_procs" in general_config:
@@ -694,13 +818,15 @@ def _main():
             else:
                 opts.ip_db_path = None
             if "always_use_local_files" in general_config:
-                opts.always_use_local_files = general_config.getboolean(
-                    "always_use_local_files"
+                opts.always_use_local_files = bool(
+                    general_config.getboolean("always_use_local_files")
                 )
             if "reverse_dns_map_path" in general_config:
                 opts.reverse_dns_map_path = general_config["reverse_dns_path"]
             if "reverse_dns_map_url" in general_config:
                 opts.reverse_dns_map_url = general_config["reverse_dns_url"]
+            if "prettify_json" in general_config:
+                opts.prettify_json = bool(general_config.getboolean("prettify_json"))
 
         if "mailbox" in config.sections():
             mailbox_config = config["mailbox"]
@@ -711,11 +837,11 @@ def _main():
             if "archive_folder" in mailbox_config:
                 opts.mailbox_archive_folder = mailbox_config["archive_folder"]
             if "watch" in mailbox_config:
-                opts.mailbox_watch = mailbox_config.getboolean("watch")
+                opts.mailbox_watch = bool(mailbox_config.getboolean("watch"))
             if "delete" in mailbox_config:
-                opts.mailbox_delete = mailbox_config.getboolean("delete")
+                opts.mailbox_delete = bool(mailbox_config.getboolean("delete"))
             if "test" in mailbox_config:
-                opts.mailbox_test = mailbox_config.getboolean("test")
+                opts.mailbox_test = bool(mailbox_config.getboolean("test"))
             if "batch_size" in mailbox_config:
                 opts.mailbox_batch_size = mailbox_config.getint("batch_size")
             if "check_timeout" in mailbox_config:
@@ -739,14 +865,15 @@ def _main():
             if "port" in imap_config:
                 opts.imap_port = imap_config.getint("port")
             if "timeout" in imap_config:
-                opts.imap_timeout = imap_config.getfloat("timeout")
+                opts.imap_timeout = imap_config.getint("timeout")
             if "max_retries" in imap_config:
                 opts.imap_max_retries = imap_config.getint("max_retries")
             if "ssl" in imap_config:
-                opts.imap_ssl = imap_config.getboolean("ssl")
+                opts.imap_ssl = bool(imap_config.getboolean("ssl"))
             if "skip_certificate_verification" in imap_config:
-                imap_verify = imap_config.getboolean("skip_certificate_verification")
-                opts.imap_skip_certificate_verification = imap_verify
+                opts.imap_skip_certificate_verification = bool(
+                    imap_config.getboolean("skip_certificate_verification")
+                )
             if "user" in imap_config:
                 opts.imap_user = imap_config["user"]
             else:
@@ -774,7 +901,7 @@ def _main():
                     "section instead."
                 )
             if "watch" in imap_config:
-                opts.mailbox_watch = imap_config.getboolean("watch")
+                opts.mailbox_watch = bool(imap_config.getboolean("watch"))
                 logger.warning(
                     "Use of the watch option in the imap "
                     "configuration section has been deprecated. "
@@ -789,7 +916,7 @@ def _main():
                     "section instead."
                 )
             if "test" in imap_config:
-                opts.mailbox_test = imap_config.getboolean("test")
+                opts.mailbox_test = bool(imap_config.getboolean("test"))
                 logger.warning(
                     "Use of the test option in the imap "
                     "configuration section has been deprecated. "
@@ -883,8 +1010,8 @@ def _main():
                 opts.graph_url = graph_config["graph_url"]
 
             if "allow_unencrypted_storage" in graph_config:
-                opts.graph_allow_unencrypted_storage = graph_config.getboolean(
-                    "allow_unencrypted_storage"
+                opts.graph_allow_unencrypted_storage = bool(
+                    graph_config.getboolean("allow_unencrypted_storage")
                 )
 
         if "elasticsearch" in config:
@@ -912,18 +1039,22 @@ def _main():
             if "index_prefix" in elasticsearch_config:
                 opts.elasticsearch_index_prefix = elasticsearch_config["index_prefix"]
             if "monthly_indexes" in elasticsearch_config:
-                monthly = elasticsearch_config.getboolean("monthly_indexes")
+                monthly = bool(elasticsearch_config.getboolean("monthly_indexes"))
                 opts.elasticsearch_monthly_indexes = monthly
             if "ssl" in elasticsearch_config:
-                opts.elasticsearch_ssl = elasticsearch_config.getboolean("ssl")
+                opts.elasticsearch_ssl = bool(elasticsearch_config.getboolean("ssl"))
             if "cert_path" in elasticsearch_config:
                 opts.elasticsearch_ssl_cert_path = elasticsearch_config["cert_path"]
             if "user" in elasticsearch_config:
                 opts.elasticsearch_username = elasticsearch_config["user"]
             if "password" in elasticsearch_config:
                 opts.elasticsearch_password = elasticsearch_config["password"]
+            # Until 8.20
             if "apiKey" in elasticsearch_config:
                 opts.elasticsearch_apiKey = elasticsearch_config["apiKey"]
+            # Since 8.20
+            if "api_key" in elasticsearch_config:
+                opts.elasticsearch_apiKey = elasticsearch_config["api_key"]
 
         if "opensearch" in config:
             opensearch_config = config["opensearch"]
@@ -948,18 +1079,22 @@ def _main():
             if "index_prefix" in opensearch_config:
                 opts.opensearch_index_prefix = opensearch_config["index_prefix"]
             if "monthly_indexes" in opensearch_config:
-                monthly = opensearch_config.getboolean("monthly_indexes")
+                monthly = bool(opensearch_config.getboolean("monthly_indexes"))
                 opts.opensearch_monthly_indexes = monthly
             if "ssl" in opensearch_config:
-                opts.opensearch_ssl = opensearch_config.getboolean("ssl")
+                opts.opensearch_ssl = bool(opensearch_config.getboolean("ssl"))
             if "cert_path" in opensearch_config:
                 opts.opensearch_ssl_cert_path = opensearch_config["cert_path"]
             if "user" in opensearch_config:
                 opts.opensearch_username = opensearch_config["user"]
             if "password" in opensearch_config:
                 opts.opensearch_password = opensearch_config["password"]
+            # Until 8.20
             if "apiKey" in opensearch_config:
                 opts.opensearch_apiKey = opensearch_config["apiKey"]
+            # Since 8.20
+            if "api_key" in opensearch_config:
+                opts.opensearch_apiKey = opensearch_config["api_key"]
 
         if "splunk_hec" in config.sections():
             hec_config = config["splunk_hec"]
@@ -1001,9 +1136,11 @@ def _main():
             if "password" in kafka_config:
                 opts.kafka_password = kafka_config["password"]
             if "ssl" in kafka_config:
-                opts.kafka_ssl = kafka_config.getboolean("ssl")
+                opts.kafka_ssl = bool(kafka_config.getboolean("ssl"))
             if "skip_certificate_verification" in kafka_config:
-                kafka_verify = kafka_config.getboolean("skip_certificate_verification")
+                kafka_verify = bool(
+                    kafka_config.getboolean("skip_certificate_verification")
+                )
                 opts.kafka_skip_certificate_verification = kafka_verify
             if "aggregate_topic" in kafka_config:
                 opts.kafka_aggregate_topic = kafka_config["aggregate_topic"]
@@ -1035,9 +1172,11 @@ def _main():
             if "port" in smtp_config:
                 opts.smtp_port = smtp_config.getint("port")
             if "ssl" in smtp_config:
-                opts.smtp_ssl = smtp_config.getboolean("ssl")
+                opts.smtp_ssl = bool(smtp_config.getboolean("ssl"))
             if "skip_certificate_verification" in smtp_config:
-                smtp_verify = smtp_config.getboolean("skip_certificate_verification")
+                smtp_verify = bool(
+                    smtp_config.getboolean("skip_certificate_verification")
+                )
                 opts.smtp_skip_certificate_verification = smtp_verify
             if "user" in smtp_config:
                 opts.smtp_user = smtp_config["user"]
@@ -1105,23 +1244,27 @@ def _main():
             gmail_api_config = config["gmail_api"]
             opts.gmail_api_credentials_file = gmail_api_config.get("credentials_file")
             opts.gmail_api_token_file = gmail_api_config.get("token_file", ".token")
-            opts.gmail_api_include_spam_trash = gmail_api_config.getboolean(
-                "include_spam_trash", False
+            opts.gmail_api_include_spam_trash = bool(
+                gmail_api_config.getboolean("include_spam_trash", False)
             )
-            opts.gmail_api_paginate_messages = gmail_api_config.getboolean(
-                "paginate_messages", True
+            opts.gmail_api_paginate_messages = bool(
+                gmail_api_config.getboolean("paginate_messages", True)
             )
             opts.gmail_api_scopes = gmail_api_config.get(
                 "scopes", default_gmail_api_scope
             )
             opts.gmail_api_scopes = _str_to_list(opts.gmail_api_scopes)
             if "oauth2_port" in gmail_api_config:
-                opts.gmail_api_oauth2_port = gmail_api_config.get("oauth2_port", 8080)
+                opts.gmail_api_oauth2_port = gmail_api_config.getint(
+                    "oauth2_port", 8080
+                )
 
         if "maildir" in config.sections():
             maildir_api_config = config["maildir"]
             opts.maildir_path = maildir_api_config.get("maildir_path")
-            opts.maildir_create = maildir_api_config.get("maildir_create")
+            opts.maildir_create = bool(
+                maildir_api_config.getboolean("maildir_create", fallback=False)
+            )
 
         if "log_analytics" in config.sections():
             log_analytics_config = config["log_analytics"]
@@ -1167,7 +1310,7 @@ def _main():
             if "smtp_tls_url" in webhook_config:
                 opts.webhook_smtp_tls_url = webhook_config["smtp_tls_url"]
             if "timeout" in webhook_config:
-                opts.webhook_timeout = webhook_config["timeout"]
+                opts.webhook_timeout = webhook_config.getint("timeout")
 
     logger.setLevel(logging.ERROR)
 
@@ -1216,14 +1359,19 @@ def _main():
                     es_aggregate_index = "{0}{1}".format(prefix, es_aggregate_index)
                     es_forensic_index = "{0}{1}".format(prefix, es_forensic_index)
                     es_smtp_tls_index = "{0}{1}".format(prefix, es_smtp_tls_index)
+                elastic_timeout_value = (
+                    float(opts.elasticsearch_timeout)
+                    if opts.elasticsearch_timeout is not None
+                    else 60.0
+                )
                 elastic.set_hosts(
                     opts.elasticsearch_hosts,
-                    opts.elasticsearch_ssl,
-                    opts.elasticsearch_ssl_cert_path,
-                    opts.elasticsearch_username,
-                    opts.elasticsearch_password,
-                    opts.elasticsearch_apiKey,
-                    timeout=opts.elasticsearch_timeout,
+                    use_ssl=opts.elasticsearch_ssl,
+                    ssl_cert_path=opts.elasticsearch_ssl_cert_path,
+                    username=opts.elasticsearch_username,
+                    password=opts.elasticsearch_password,
+                    api_key=opts.elasticsearch_api_key,
+                    timeout=elastic_timeout_value,
                 )
                 elastic.migrate_indexes(
                     aggregate_indexes=[es_aggregate_index],
@@ -1248,14 +1396,19 @@ def _main():
                     os_aggregate_index = "{0}{1}".format(prefix, os_aggregate_index)
                     os_forensic_index = "{0}{1}".format(prefix, os_forensic_index)
                     os_smtp_tls_index = "{0}{1}".format(prefix, os_smtp_tls_index)
+                opensearch_timeout_value = (
+                    float(opts.opensearch_timeout)
+                    if opts.opensearch_timeout is not None
+                    else 60.0
+                )
                 opensearch.set_hosts(
                     opts.opensearch_hosts,
-                    opts.opensearch_ssl,
-                    opts.opensearch_ssl_cert_path,
-                    opts.opensearch_username,
-                    opts.opensearch_password,
-                    opts.opensearch_apiKey,
-                    timeout=opts.opensearch_timeout,
+                    use_ssl=opts.opensearch_ssl,
+                    ssl_cert_path=opts.opensearch_ssl_cert_path,
+                    username=opts.opensearch_username,
+                    password=opts.opensearch_password,
+                    api_key=opts.opensearch_api_key,
+                    timeout=opensearch_timeout_value,
                 )
                 opensearch.migrate_indexes(
                     aggregate_indexes=[os_aggregate_index],
@@ -1364,16 +1517,23 @@ def _main():
 
     results = []
 
+    pbar = None
     if sys.stdout.isatty():
         pbar = tqdm(total=len(file_paths))
 
-    for batch_index in range(math.ceil(len(file_paths) / opts.n_procs)):
+    n_procs = int(opts.n_procs or 1)
+    if n_procs < 1:
+        n_procs = 1
+
+    # Capture the current log level to pass to child processes
+    current_log_level = logger.level
+    current_log_file = opts.log_file
+
+    for batch_index in range((len(file_paths) + n_procs - 1) // n_procs):
         processes = []
         connections = []
 
-        for proc_index in range(
-            opts.n_procs * batch_index, opts.n_procs * (batch_index + 1)
-        ):
+        for proc_index in range(n_procs * batch_index, n_procs * (batch_index + 1)):
             if proc_index >= len(file_paths):
                 break
 
@@ -1392,7 +1552,10 @@ def _main():
                     opts.always_use_local_files,
                     opts.reverse_dns_map_path,
                     opts.reverse_dns_map_url,
+                    opts.normalize_timespan_threshold_hours,
                     child_conn,
+                    current_log_level,
+                    current_log_file,
                 ),
             )
             processes.append(process)
@@ -1405,12 +1568,15 @@ def _main():
 
         for proc in processes:
             proc.join()
-            if sys.stdout.isatty():
+            if pbar is not None:
                 counter += 1
-                pbar.update(counter - pbar.n)
+                pbar.update(1)
+
+    if pbar is not None:
+        pbar.close()
 
     for result in results:
-        if type(result[0]) is ParserError:
+        if isinstance(result[0], ParserError) or result[0] is None:
             logger.error("Failed to parse {0} - {1}".format(result[1], result[0]))
         else:
             if result[0]["report_type"] == "aggregate":
@@ -1431,6 +1597,11 @@ def _main():
                 smtp_tls_reports.append(result[0]["report"])
 
     for mbox_path in mbox_paths:
+        normalize_timespan_threshold_hours_value = (
+            float(opts.normalize_timespan_threshold_hours)
+            if opts.normalize_timespan_threshold_hours is not None
+            else 24.0
+        )
         strip = opts.strip_attachment_payloads
         reports = get_dmarc_reports_from_mbox(
             mbox_path,
@@ -1442,12 +1613,17 @@ def _main():
             reverse_dns_map_path=opts.reverse_dns_map_path,
             reverse_dns_map_url=opts.reverse_dns_map_url,
             offline=opts.offline,
+            normalize_timespan_threshold_hours=normalize_timespan_threshold_hours_value,
         )
         aggregate_reports += reports["aggregate_reports"]
         forensic_reports += reports["forensic_reports"]
         smtp_tls_reports += reports["smtp_tls_reports"]
 
     mailbox_connection = None
+    mailbox_batch_size_value = 10
+    mailbox_check_timeout_value = 30
+    normalize_timespan_threshold_hours_value = 24.0
+
     if opts.imap_host:
         try:
             if opts.imap_user is None or opts.imap_password is None:
@@ -1460,16 +1636,23 @@ def _main():
             if opts.imap_skip_certificate_verification:
                 logger.debug("Skipping IMAP certificate verification")
                 verify = False
-            if opts.imap_ssl is False:
+            if not opts.imap_ssl:
                 ssl = False
 
+            imap_timeout = (
+                int(opts.imap_timeout) if opts.imap_timeout is not None else 30
+            )
+            imap_max_retries = (
+                int(opts.imap_max_retries) if opts.imap_max_retries is not None else 4
+            )
+            imap_port_value = int(opts.imap_port) if opts.imap_port is not None else 993
             mailbox_connection = IMAPConnection(
                 host=opts.imap_host,
-                port=opts.imap_port,
+                port=imap_port_value,
                 ssl=ssl,
                 verify=verify,
-                timeout=opts.imap_timeout,
-                max_retries=opts.imap_max_retries,
+                timeout=imap_timeout,
+                max_retries=imap_max_retries,
                 user=opts.imap_user,
                 password=opts.imap_password,
             )
@@ -1490,7 +1673,7 @@ def _main():
                 username=opts.graph_user,
                 password=opts.graph_password,
                 token_file=opts.graph_token_file,
-                allow_unencrypted_storage=opts.graph_allow_unencrypted_storage,
+                allow_unencrypted_storage=bool(opts.graph_allow_unencrypted_storage),
                 graph_url=opts.graph_url,
             )
 
@@ -1535,11 +1718,24 @@ def _main():
             exit(1)
 
     if mailbox_connection:
+        mailbox_batch_size_value = (
+            int(opts.mailbox_batch_size) if opts.mailbox_batch_size is not None else 10
+        )
+        mailbox_check_timeout_value = (
+            int(opts.mailbox_check_timeout)
+            if opts.mailbox_check_timeout is not None
+            else 30
+        )
+        normalize_timespan_threshold_hours_value = (
+            float(opts.normalize_timespan_threshold_hours)
+            if opts.normalize_timespan_threshold_hours is not None
+            else 24.0
+        )
         try:
             reports = get_dmarc_reports_from_mailbox(
                 connection=mailbox_connection,
                 delete=opts.mailbox_delete,
-                batch_size=opts.mailbox_batch_size,
+                batch_size=mailbox_batch_size_value,
                 reports_folder=opts.mailbox_reports_folder,
                 archive_folder=opts.mailbox_archive_folder,
                 ip_db_path=opts.ip_db_path,
@@ -1551,6 +1747,7 @@ def _main():
                 test=opts.mailbox_test,
                 strip_attachment_payloads=opts.strip_attachment_payloads,
                 since=opts.mailbox_since,
+                normalize_timespan_threshold_hours=normalize_timespan_threshold_hours_value,
             )
 
             aggregate_reports += reports["aggregate_reports"]
@@ -1561,31 +1758,36 @@ def _main():
             logger.exception("Mailbox Error")
             exit(1)
 
-    results = OrderedDict(
-        [
-            ("aggregate_reports", aggregate_reports),
-            ("forensic_reports", forensic_reports),
-            ("smtp_tls_reports", smtp_tls_reports),
-        ]
-    )
+    parsing_results: ParsingResults = {
+        "aggregate_reports": aggregate_reports,
+        "forensic_reports": forensic_reports,
+        "smtp_tls_reports": smtp_tls_reports,
+    }
 
-    process_reports(results)
+    process_reports(parsing_results)
 
     if opts.smtp_host:
         try:
             verify = True
             if opts.smtp_skip_certificate_verification:
                 verify = False
+            smtp_port_value = int(opts.smtp_port) if opts.smtp_port is not None else 25
+            smtp_to_value = (
+                list(opts.smtp_to)
+                if isinstance(opts.smtp_to, list)
+                else _str_to_list(str(opts.smtp_to))
+            )
             email_results(
-                results,
+                parsing_results,
                 opts.smtp_host,
                 opts.smtp_from,
-                opts.smtp_to,
-                port=opts.smtp_port,
+                smtp_to_value,
+                port=smtp_port_value,
                 verify=verify,
                 username=opts.smtp_user,
                 password=opts.smtp_password,
                 subject=opts.smtp_subject,
+                require_encryption=opts.smtp_ssl,
             )
         except Exception:
             logger.exception("Failed to email results")
@@ -1602,16 +1804,17 @@ def _main():
                 archive_folder=opts.mailbox_archive_folder,
                 delete=opts.mailbox_delete,
                 test=opts.mailbox_test,
-                check_timeout=opts.mailbox_check_timeout,
+                check_timeout=mailbox_check_timeout_value,
                 nameservers=opts.nameservers,
                 dns_timeout=opts.dns_timeout,
                 strip_attachment_payloads=opts.strip_attachment_payloads,
-                batch_size=opts.mailbox_batch_size,
+                batch_size=mailbox_batch_size_value,
                 ip_db_path=opts.ip_db_path,
                 always_use_local_files=opts.always_use_local_files,
                 reverse_dns_map_path=opts.reverse_dns_map_path,
                 reverse_dns_map_url=opts.reverse_dns_map_url,
                 offline=opts.offline,
+                normalize_timespan_threshold_hours=normalize_timespan_threshold_hours_value,
             )
         except FileExistsError as error:
             logger.error("{0}".format(error.__str__()))

parsedmarc/constants.py

@@ -1,2 +1,3 @@
-__version__ = "8.18.5"
+__version__ = "9.0.10"
+
 USER_AGENT = f"parsedmarc/{__version__}"

parsedmarc/elastic.py

@@ -1,27 +1,29 @@
 # -*- coding: utf-8 -*-
 
-from collections import OrderedDict
+from __future__ import annotations
 
-from elasticsearch_dsl.search import Q
+from typing import Any, Optional, Union
+
+from elasticsearch.helpers import reindex
 from elasticsearch_dsl import (
-    connections,
-    Object,
+    Boolean,
+    Date,
     Document,
     Index,
-    Nested,
     InnerDoc,
     Integer,
-    Text,
-    Boolean,
     Ip,
-    Date,
+    Nested,
+    Object,
     Search,
+    Text,
+    connections,
 )
-from elasticsearch.helpers import reindex
+from elasticsearch_dsl.search import Q
 
+from parsedmarc import InvalidForensicReport
 from parsedmarc.log import logger
 from parsedmarc.utils import human_timestamp_to_datetime
-from parsedmarc import InvalidForensicReport
 
 
 class ElasticsearchError(Exception):
@@ -67,6 +69,8 @@ class _AggregateReportDoc(Document):
     date_range = Date()
     date_begin = Date()
     date_end = Date()
+    normalized_timespan = Boolean()
+    original_timespan_seconds = Integer
     errors = Text()
     published_policy = Object(_PublishedPolicy)
     source_ip_address = Ip()
@@ -87,18 +91,18 @@ class _AggregateReportDoc(Document):
     dkim_results = Nested(_DKIMResult)
     spf_results = Nested(_SPFResult)
 
-    def add_policy_override(self, type_, comment):
-        self.policy_overrides.append(_PolicyOverride(type=type_, comment=comment))
+    def add_policy_override(self, type_: str, comment: str):
+        self.policy_overrides.append(_PolicyOverride(type=type_, comment=comment))  # pyright: ignore[reportCallIssue]
 
-    def add_dkim_result(self, domain, selector, result):
+    def add_dkim_result(self, domain: str, selector: str, result: _DKIMResult):
         self.dkim_results.append(
             _DKIMResult(domain=domain, selector=selector, result=result)
-        )
+        )  # pyright: ignore[reportCallIssue]
 
-    def add_spf_result(self, domain, scope, result):
-        self.spf_results.append(_SPFResult(domain=domain, scope=scope, result=result))
+    def add_spf_result(self, domain: str, scope: str, result: _SPFResult):
+        self.spf_results.append(_SPFResult(domain=domain, scope=scope, result=result))  # pyright: ignore[reportCallIssue]
 
-    def save(self, **kwargs):
+    def save(self, **kwargs):  # pyright: ignore[reportIncompatibleMethodOverride]
         self.passed_dmarc = False
         self.passed_dmarc = self.spf_aligned or self.dkim_aligned
 
@@ -131,26 +135,26 @@ class _ForensicSampleDoc(InnerDoc):
     body = Text()
     attachments = Nested(_EmailAttachmentDoc)
 
-    def add_to(self, display_name, address):
-        self.to.append(_EmailAddressDoc(display_name=display_name, address=address))
+    def add_to(self, display_name: str, address: str):
+        self.to.append(_EmailAddressDoc(display_name=display_name, address=address))  # pyright: ignore[reportCallIssue]
 
-    def add_reply_to(self, display_name, address):
+    def add_reply_to(self, display_name: str, address: str):
         self.reply_to.append(
             _EmailAddressDoc(display_name=display_name, address=address)
-        )
+        )  # pyright: ignore[reportCallIssue]
 
-    def add_cc(self, display_name, address):
-        self.cc.append(_EmailAddressDoc(display_name=display_name, address=address))
+    def add_cc(self, display_name: str, address: str):
+        self.cc.append(_EmailAddressDoc(display_name=display_name, address=address))  # pyright: ignore[reportCallIssue]
 
-    def add_bcc(self, display_name, address):
-        self.bcc.append(_EmailAddressDoc(display_name=display_name, address=address))
+    def add_bcc(self, display_name: str, address: str):
+        self.bcc.append(_EmailAddressDoc(display_name=display_name, address=address))  # pyright: ignore[reportCallIssue]
 
-    def add_attachment(self, filename, content_type, sha256):
+    def add_attachment(self, filename: str, content_type: str, sha256: str):
         self.attachments.append(
             _EmailAttachmentDoc(
                 filename=filename, content_type=content_type, sha256=sha256
             )
-        )
+        )  # pyright: ignore[reportCallIssue]
 
 
 class _ForensicReportDoc(Document):
@@ -197,15 +201,15 @@ class _SMTPTLSPolicyDoc(InnerDoc):
 
     def add_failure_details(
         self,
-        result_type,
-        ip_address,
-        receiving_ip,
-        receiving_mx_helo,
-        failed_session_count,
-        sending_mta_ip=None,
-        receiving_mx_hostname=None,
-        additional_information_uri=None,
-        failure_reason_code=None,
+        result_type: Optional[str] = None,
+        ip_address: Optional[str] = None,
+        receiving_ip: Optional[str] = None,
+        receiving_mx_helo: Optional[str] = None,
+        failed_session_count: Optional[int] = None,
+        sending_mta_ip: Optional[str] = None,
+        receiving_mx_hostname: Optional[str] = None,
+        additional_information_uri: Optional[str] = None,
+        failure_reason_code: Union[str, int, None] = None,
     ):
         _details = _SMTPTLSFailureDetailsDoc(
             result_type=result_type,
@@ -218,7 +222,7 @@ class _SMTPTLSPolicyDoc(InnerDoc):
             additional_information=additional_information_uri,
             failure_reason_code=failure_reason_code,
         )
-        self.failure_details.append(_details)
+        self.failure_details.append(_details)  # pyright: ignore[reportCallIssue]
 
 
 class _SMTPTLSReportDoc(Document):
@@ -235,13 +239,14 @@ class _SMTPTLSReportDoc(Document):
 
     def add_policy(
         self,
-        policy_type,
-        policy_domain,
-        successful_session_count,
-        failed_session_count,
-        policy_string=None,
-        mx_host_patterns=None,
-        failure_details=None,
+        policy_type: str,
+        policy_domain: str,
+        successful_session_count: int,
+        failed_session_count: int,
+        *,
+        policy_string: Optional[str] = None,
+        mx_host_patterns: Optional[list[str]] = None,
+        failure_details: Optional[str] = None,
     ):
         self.policies.append(
             policy_type=policy_type,
@@ -251,7 +256,7 @@ class _SMTPTLSReportDoc(Document):
             policy_string=policy_string,
             mx_host_patterns=mx_host_patterns,
             failure_details=failure_details,
-        )
+        )  # pyright: ignore[reportCallIssue]
 
 
 class AlreadySaved(ValueError):
@@ -259,24 +264,25 @@ class AlreadySaved(ValueError):
 
 
 def set_hosts(
-    hosts,
-    use_ssl=False,
-    ssl_cert_path=None,
-    username=None,
-    password=None,
-    apiKey=None,
-    timeout=60.0,
+    hosts: Union[str, list[str]],
+    *,
+    use_ssl: bool = False,
+    ssl_cert_path: Optional[str] = None,
+    username: Optional[str] = None,
+    password: Optional[str] = None,
+    api_key: Optional[str] = None,
+    timeout: float = 60.0,
 ):
     """
     Sets the Elasticsearch hosts to use
 
     Args:
-        hosts (str): A single hostname or URL, or list of hostnames or URLs
-        use_ssl (bool): Use a HTTPS connection to the server
+        hosts (str | list[str]): A single hostname or URL, or list of hostnames or URLs
+        use_ssl (bool): Use an HTTPS connection to the server
         ssl_cert_path (str): Path to the certificate chain
         username (str): The username to use for authentication
         password (str): The password to use for authentication
-        apiKey (str): The Base64 encoded API key to use for authentication
+        api_key (str): The Base64 encoded API key to use for authentication
         timeout (float): Timeout in seconds
     """
     if not isinstance(hosts, list):
@@ -289,14 +295,14 @@ def set_hosts(
             conn_params["ca_certs"] = ssl_cert_path
         else:
             conn_params["verify_certs"] = False
-    if username:
+    if username and password:
         conn_params["http_auth"] = username + ":" + password
-    if apiKey:
-        conn_params["api_key"] = apiKey
+    if api_key:
+        conn_params["api_key"] = api_key
     connections.create_connection(**conn_params)
 
 
-def create_indexes(names, settings=None):
+def create_indexes(names: list[str], settings: Optional[dict[str, Any]] = None):
     """
     Create Elasticsearch indexes
 
@@ -319,7 +325,10 @@ def create_indexes(names, settings=None):
             raise ElasticsearchError("Elasticsearch error: {0}".format(e.__str__()))
 
 
-def migrate_indexes(aggregate_indexes=None, forensic_indexes=None):
+def migrate_indexes(
+    aggregate_indexes: Optional[list[str]] = None,
+    forensic_indexes: Optional[list[str]] = None,
+):
     """
     Updates index mappings
 
@@ -358,7 +367,7 @@ def migrate_indexes(aggregate_indexes=None, forensic_indexes=None):
             }
             Index(new_index_name).create()
             Index(new_index_name).put_mapping(doc_type=doc, body=body)
-            reindex(connections.get_connection(), aggregate_index_name, new_index_name)
+            reindex(connections.get_connection(), aggregate_index_name, new_index_name)  # pyright: ignore[reportArgumentType]
             Index(aggregate_index_name).delete()
 
     for forensic_index in forensic_indexes:
@@ -366,18 +375,18 @@ def migrate_indexes(aggregate_indexes=None, forensic_indexes=None):
 
 
 def save_aggregate_report_to_elasticsearch(
-    aggregate_report,
-    index_suffix=None,
-    index_prefix=None,
-    monthly_indexes=False,
-    number_of_shards=1,
-    number_of_replicas=0,
+    aggregate_report: dict[str, Any],
+    index_suffix: Optional[str] = None,
+    index_prefix: Optional[str] = None,
+    monthly_indexes: Optional[bool] = False,
+    number_of_shards: int = 1,
+    number_of_replicas: int = 0,
 ):
     """
     Saves a parsed DMARC aggregate report to Elasticsearch
 
     Args:
-        aggregate_report (OrderedDict): A parsed forensic report
+        aggregate_report (dict): A parsed forensic report
         index_suffix (str): The suffix of the name of the index to save to
         index_prefix (str): The prefix of the name of the index to save to
         monthly_indexes (bool): Use monthly indexes instead of daily indexes
@@ -395,21 +404,17 @@ def save_aggregate_report_to_elasticsearch(
     domain = aggregate_report["policy_published"]["domain"]
     begin_date = human_timestamp_to_datetime(metadata["begin_date"], to_utc=True)
     end_date = human_timestamp_to_datetime(metadata["end_date"], to_utc=True)
-    begin_date_human = begin_date.strftime("%Y-%m-%d %H:%M:%SZ")
-    end_date_human = end_date.strftime("%Y-%m-%d %H:%M:%SZ")
+
     if monthly_indexes:
         index_date = begin_date.strftime("%Y-%m")
     else:
         index_date = begin_date.strftime("%Y-%m-%d")
-    aggregate_report["begin_date"] = begin_date
-    aggregate_report["end_date"] = end_date
-    date_range = [aggregate_report["begin_date"], aggregate_report["end_date"]]
 
-    org_name_query = Q(dict(match_phrase=dict(org_name=org_name)))
-    report_id_query = Q(dict(match_phrase=dict(report_id=report_id)))
-    domain_query = Q(dict(match_phrase={"published_policy.domain": domain}))
-    begin_date_query = Q(dict(match=dict(date_begin=begin_date)))
-    end_date_query = Q(dict(match=dict(date_end=end_date)))
+    org_name_query = Q(dict(match_phrase=dict(org_name=org_name)))  # type: ignore
+    report_id_query = Q(dict(match_phrase=dict(report_id=report_id)))  # pyright: ignore[reportArgumentType]
+    domain_query = Q(dict(match_phrase={"published_policy.domain": domain}))  # pyright: ignore[reportArgumentType]
+    begin_date_query = Q(dict(match=dict(date_begin=begin_date)))  # pyright: ignore[reportArgumentType]
+    end_date_query = Q(dict(match=dict(date_end=end_date)))  # pyright: ignore[reportArgumentType]
 
     if index_suffix is not None:
         search_index = "dmarc_aggregate_{0}*".format(index_suffix)
@@ -421,6 +426,8 @@ def save_aggregate_report_to_elasticsearch(
     query = org_name_query & report_id_query & domain_query
     query = query & begin_date_query & end_date_query
     search.query = query
+    begin_date_human = begin_date.strftime("%Y-%m-%d %H:%M:%SZ")
+    end_date_human = end_date.strftime("%Y-%m-%d %H:%M:%SZ")
 
     try:
         existing = search.execute()
@@ -450,6 +457,17 @@ def save_aggregate_report_to_elasticsearch(
     )
 
     for record in aggregate_report["records"]:
+        begin_date = human_timestamp_to_datetime(record["interval_begin"], to_utc=True)
+        end_date = human_timestamp_to_datetime(record["interval_end"], to_utc=True)
+        normalized_timespan = record["normalized_timespan"]
+
+        if monthly_indexes:
+            index_date = begin_date.strftime("%Y-%m")
+        else:
+            index_date = begin_date.strftime("%Y-%m-%d")
+        aggregate_report["begin_date"] = begin_date
+        aggregate_report["end_date"] = end_date
+        date_range = [aggregate_report["begin_date"], aggregate_report["end_date"]]
         agg_doc = _AggregateReportDoc(
             xml_schema=aggregate_report["xml_schema"],
             org_name=metadata["org_name"],
@@ -457,8 +475,9 @@ def save_aggregate_report_to_elasticsearch(
             org_extra_contact_info=metadata["org_extra_contact_info"],
             report_id=metadata["report_id"],
             date_range=date_range,
-            date_begin=aggregate_report["begin_date"],
-            date_end=aggregate_report["end_date"],
+            date_begin=begin_date,
+            date_end=end_date,
+            normalized_timespan=normalized_timespan,
             errors=metadata["errors"],
             published_policy=published_policy,
             source_ip_address=record["source"]["ip_address"],
@@ -508,7 +527,7 @@ def save_aggregate_report_to_elasticsearch(
             number_of_shards=number_of_shards, number_of_replicas=number_of_replicas
         )
         create_indexes([index], index_settings)
-        agg_doc.meta.index = index
+        agg_doc.meta.index = index  # pyright: ignore[reportOptionalMemberAccess, reportAttributeAccessIssue]
 
         try:
             agg_doc.save()
@@ -517,18 +536,18 @@ def save_aggregate_report_to_elasticsearch(
 
 
 def save_forensic_report_to_elasticsearch(
-    forensic_report,
-    index_suffix=None,
-    index_prefix=None,
-    monthly_indexes=False,
-    number_of_shards=1,
-    number_of_replicas=0,
+    forensic_report: dict[str, Any],
+    index_suffix: Optional[Any] = None,
+    index_prefix: Optional[str] = None,
+    monthly_indexes: Optional[bool] = False,
+    number_of_shards: int = 1,
+    number_of_replicas: int = 0,
 ):
     """
     Saves a parsed DMARC forensic report to Elasticsearch
 
     Args:
-        forensic_report (OrderedDict): A parsed forensic report
+        forensic_report (dict): A parsed forensic report
         index_suffix (str): The suffix of the name of the index to save to
         index_prefix (str): The prefix of the name of the index to save to
         monthly_indexes (bool): Use monthly indexes instead of daily
@@ -548,7 +567,7 @@ def save_forensic_report_to_elasticsearch(
         sample_date = forensic_report["parsed_sample"]["date"]
         sample_date = human_timestamp_to_datetime(sample_date)
     original_headers = forensic_report["parsed_sample"]["headers"]
-    headers = OrderedDict()
+    headers: dict[str, Any] = {}
     for original_header in original_headers:
         headers[original_header.lower()] = original_headers[original_header]
 
@@ -562,7 +581,7 @@ def save_forensic_report_to_elasticsearch(
     if index_prefix is not None:
         search_index = "{0}{1}".format(index_prefix, search_index)
     search = Search(index=search_index)
-    q = Q(dict(match=dict(arrival_date=arrival_date_epoch_milliseconds)))
+    q = Q(dict(match=dict(arrival_date=arrival_date_epoch_milliseconds)))  # pyright: ignore[reportArgumentType]
 
     from_ = None
     to_ = None
@@ -577,7 +596,7 @@ def save_forensic_report_to_elasticsearch(
 
         from_ = dict()
         from_["sample.headers.from"] = headers["from"]
-        from_query = Q(dict(match_phrase=from_))
+        from_query = Q(dict(match_phrase=from_))  # pyright: ignore[reportArgumentType]
         q = q & from_query
     if "to" in headers:
         # We convert the TO header from a string list to a flat string.
@@ -589,12 +608,12 @@ def save_forensic_report_to_elasticsearch(
 
         to_ = dict()
         to_["sample.headers.to"] = headers["to"]
-        to_query = Q(dict(match_phrase=to_))
+        to_query = Q(dict(match_phrase=to_))  # pyright: ignore[reportArgumentType]
         q = q & to_query
     if "subject" in headers:
         subject = headers["subject"]
         subject_query = {"match_phrase": {"sample.headers.subject": subject}}
-        q = q & Q(subject_query)
+        q = q & Q(subject_query)  # pyright: ignore[reportArgumentType]
 
     search.query = q
     existing = search.execute()
@@ -672,7 +691,7 @@ def save_forensic_report_to_elasticsearch(
             number_of_shards=number_of_shards, number_of_replicas=number_of_replicas
         )
         create_indexes([index], index_settings)
-        forensic_doc.meta.index = index
+        forensic_doc.meta.index = index  # pyright: ignore[reportAttributeAccessIssue, reportOptionalMemberAccess]
         try:
             forensic_doc.save()
         except Exception as e:
@@ -684,18 +703,18 @@ def save_forensic_report_to_elasticsearch(
 
 
 def save_smtp_tls_report_to_elasticsearch(
-    report,
-    index_suffix=None,
-    index_prefix=None,
-    monthly_indexes=False,
-    number_of_shards=1,
-    number_of_replicas=0,
+    report: dict[str, Any],
+    index_suffix: Optional[str] = None,
+    index_prefix: Optional[str] = None,
+    monthly_indexes: bool = False,
+    number_of_shards: int = 1,
+    number_of_replicas: int = 0,
 ):
     """
     Saves a parsed SMTP TLS report to Elasticsearch
 
     Args:
-        report (OrderedDict): A parsed SMTP TLS report
+        report (dict): A parsed SMTP TLS report
         index_suffix (str): The suffix of the name of the index to save to
         index_prefix (str): The prefix of the name of the index to save to
         monthly_indexes (bool): Use monthly indexes instead of daily indexes
@@ -719,10 +738,10 @@ def save_smtp_tls_report_to_elasticsearch(
     report["begin_date"] = begin_date
     report["end_date"] = end_date
 
-    org_name_query = Q(dict(match_phrase=dict(org_name=org_name)))
-    report_id_query = Q(dict(match_phrase=dict(report_id=report_id)))
-    begin_date_query = Q(dict(match=dict(date_begin=begin_date)))
-    end_date_query = Q(dict(match=dict(date_end=end_date)))
+    org_name_query = Q(dict(match_phrase=dict(org_name=org_name)))  # pyright: ignore[reportArgumentType]
+    report_id_query = Q(dict(match_phrase=dict(report_id=report_id)))  # pyright: ignore[reportArgumentType]
+    begin_date_query = Q(dict(match=dict(date_begin=begin_date)))  # pyright: ignore[reportArgumentType]
+    end_date_query = Q(dict(match=dict(date_end=end_date)))  # pyright: ignore[reportArgumentType]
 
     if index_suffix is not None:
         search_index = "smtp_tls_{0}*".format(index_suffix)
@@ -781,7 +800,7 @@ def save_smtp_tls_report_to_elasticsearch(
         policy_doc = _SMTPTLSPolicyDoc(
             policy_domain=policy["policy_domain"],
             policy_type=policy["policy_type"],
-            succesful_session_count=policy["successful_session_count"],
+            successful_session_count=policy["successful_session_count"],
             failed_session_count=policy["failed_session_count"],
             policy_string=policy_strings,
             mx_host_patterns=mx_host_patterns,
@@ -823,10 +842,10 @@ def save_smtp_tls_report_to_elasticsearch(
                     additional_information_uri=additional_information_uri,
                     failure_reason_code=failure_reason_code,
                 )
-        smtp_tls_doc.policies.append(policy_doc)
+        smtp_tls_doc.policies.append(policy_doc)  # pyright: ignore[reportCallIssue]
 
     create_indexes([index], index_settings)
-    smtp_tls_doc.meta.index = index
+    smtp_tls_doc.meta.index = index  # pyright: ignore[reportOptionalMemberAccess, reportAttributeAccessIssue]
 
     try:
         smtp_tls_doc.save()

parsedmarc/gelf.py

@@ -1,17 +1,19 @@
 # -*- coding: utf-8 -*-
 
+from __future__ import annotations
+
 import logging
 import logging.handlers
-import json
 import threading
+from typing import Any
+
+from pygelf import GelfTcpHandler, GelfTlsHandler, GelfUdpHandler
 
 from parsedmarc import (
     parsed_aggregate_reports_to_csv_rows,
     parsed_forensic_reports_to_csv_rows,
     parsed_smtp_tls_reports_to_csv_rows,
 )
-from pygelf import GelfTcpHandler, GelfUdpHandler, GelfTlsHandler
-
 
 log_context_data = threading.local()
 
@@ -48,7 +50,7 @@ class GelfClient(object):
         )
         self.logger.addHandler(self.handler)
 
-    def save_aggregate_report_to_gelf(self, aggregate_reports):
+    def save_aggregate_report_to_gelf(self, aggregate_reports: list[dict[str, Any]]):
         rows = parsed_aggregate_reports_to_csv_rows(aggregate_reports)
         for row in rows:
             log_context_data.parsedmarc = row
@@ -56,12 +58,14 @@ class GelfClient(object):
 
         log_context_data.parsedmarc = None
 
-    def save_forensic_report_to_gelf(self, forensic_reports):
+    def save_forensic_report_to_gelf(self, forensic_reports: list[dict[str, Any]]):
         rows = parsed_forensic_reports_to_csv_rows(forensic_reports)
         for row in rows:
-            self.logger.info(json.dumps(row))
+            log_context_data.parsedmarc = row
+            self.logger.info("parsedmarc forensic report")
 
-    def save_smtp_tls_report_to_gelf(self, smtp_tls_reports):
+    def save_smtp_tls_report_to_gelf(self, smtp_tls_reports: dict[str, Any]):
         rows = parsed_smtp_tls_reports_to_csv_rows(smtp_tls_reports)
         for row in rows:
-            self.logger.info(json.dumps(row))
+            log_context_data.parsedmarc = row
+            self.logger.info("parsedmarc smtptls report")

parsedmarc/kafkaclient.py

@@ -1,15 +1,17 @@
 # -*- coding: utf-8 -*-
 
+from __future__ import annotations
+
 import json
-from ssl import create_default_context
+from ssl import SSLContext, create_default_context
+from typing import Any, Optional, Union
 
 from kafka import KafkaProducer
 from kafka.errors import NoBrokersAvailable, UnknownTopicOrPartitionError
-from collections import OrderedDict
-from parsedmarc.utils import human_timestamp_to_datetime
 
 from parsedmarc import __version__
 from parsedmarc.log import logger
+from parsedmarc.utils import human_timestamp_to_datetime
 
 
 class KafkaError(RuntimeError):
@@ -18,7 +20,13 @@ class KafkaError(RuntimeError):
 
 class KafkaClient(object):
     def __init__(
-        self, kafka_hosts, ssl=False, username=None, password=None, ssl_context=None
+        self,
+        kafka_hosts: list[str],
+        *,
+        ssl: Optional[bool] = False,
+        username: Optional[str] = None,
+        password: Optional[str] = None,
+        ssl_context: Optional[SSLContext] = None,
     ):
         """
         Initializes the Kafka client
@@ -28,7 +36,7 @@ class KafkaClient(object):
             ssl (bool): Use a SSL/TLS connection
             username (str): An optional username
             password (str):  An optional password
-            ssl_context: SSL context options
+            ssl_context (SSLContext): SSL context options
 
         Notes:
             ``use_ssl=True`` is implied when a username or password are
@@ -38,7 +46,7 @@ class KafkaClient(object):
             ``$ConnectionString``, and the password is the
             Azure Event Hub connection string.
         """
-        config = dict(
+        config: dict[str, Any] = dict(
             value_serializer=lambda v: json.dumps(v).encode("utf-8"),
             bootstrap_servers=kafka_hosts,
             client_id="parsedmarc-{0}".format(__version__),
@@ -55,7 +63,7 @@ class KafkaClient(object):
             raise KafkaError("No Kafka brokers available")
 
     @staticmethod
-    def strip_metadata(report):
+    def strip_metadata(report: dict[str, Any]):
         """
         Duplicates org_name, org_email and report_id into JSON root
         and removes report_metadata key to bring it more inline
@@ -69,7 +77,7 @@ class KafkaClient(object):
         return report
 
     @staticmethod
-    def generate_daterange(report):
+    def generate_date_range(report: dict[str, Any]):
         """
         Creates a date_range timestamp with format YYYY-MM-DD-T-HH:MM:SS
         based on begin and end dates for easier parsing in Kibana.
@@ -86,7 +94,11 @@ class KafkaClient(object):
         logger.debug("date_range is {}".format(date_range))
         return date_range
 
-    def save_aggregate_reports_to_kafka(self, aggregate_reports, aggregate_topic):
+    def save_aggregate_reports_to_kafka(
+        self,
+        aggregate_reports: Union[dict[str, Any], list[dict[str, Any]]],
+        aggregate_topic: str,
+    ):
         """
         Saves aggregate DMARC reports to Kafka
 
@@ -96,16 +108,14 @@ class KafkaClient(object):
             aggregate_topic (str): The name of the Kafka topic
 
         """
-        if isinstance(aggregate_reports, dict) or isinstance(
-            aggregate_reports, OrderedDict
-        ):
+        if isinstance(aggregate_reports, dict):
             aggregate_reports = [aggregate_reports]
 
         if len(aggregate_reports) < 1:
             return
 
         for report in aggregate_reports:
-            report["date_range"] = self.generate_daterange(report)
+            report["date_range"] = self.generate_date_range(report)
             report = self.strip_metadata(report)
 
             for slice in report["records"]:
@@ -129,7 +139,11 @@ class KafkaClient(object):
                 except Exception as e:
                     raise KafkaError("Kafka error: {0}".format(e.__str__()))
 
-    def save_forensic_reports_to_kafka(self, forensic_reports, forensic_topic):
+    def save_forensic_reports_to_kafka(
+        self,
+        forensic_reports: Union[dict[str, Any], list[dict[str, Any]]],
+        forensic_topic: str,
+    ):
         """
         Saves forensic DMARC reports to Kafka, sends individual
         records (slices) since Kafka requires messages to be <= 1MB
@@ -159,7 +173,11 @@ class KafkaClient(object):
         except Exception as e:
             raise KafkaError("Kafka error: {0}".format(e.__str__()))
 
-    def save_smtp_tls_reports_to_kafka(self, smtp_tls_reports, smtp_tls_topic):
+    def save_smtp_tls_reports_to_kafka(
+        self,
+        smtp_tls_reports: Union[list[dict[str, Any]], dict[str, Any]],
+        smtp_tls_topic: str,
+    ):
         """
         Saves SMTP TLS reports to Kafka, sends individual
         records (slices) since Kafka requires messages to be <= 1MB

parsedmarc/loganalytics.py

@@ -1,9 +1,15 @@
 # -*- coding: utf-8 -*-
-from parsedmarc.log import logger
+
+from __future__ import annotations
+
+from typing import Any
+
 from azure.core.exceptions import HttpResponseError
 from azure.identity import ClientSecretCredential
 from azure.monitor.ingestion import LogsIngestionClient
 
+from parsedmarc.log import logger
+
 
 class LogAnalyticsException(Exception):
     """Raised when an Elasticsearch error occurs"""
@@ -102,7 +108,12 @@ class LogAnalyticsClient(object):
                 "Invalid configuration. " + "One or more required settings are missing."
             )
 
-    def publish_json(self, results, logs_client: LogsIngestionClient, dcr_stream: str):
+    def publish_json(
+        self,
+        results,
+        logs_client: LogsIngestionClient,
+        dcr_stream: str,
+    ):
         """
         Background function to publish given
         DMARC report to specific Data Collection Rule.
@@ -121,7 +132,11 @@ class LogAnalyticsClient(object):
             raise LogAnalyticsException("Upload failed: {error}".format(error=e))
 
     def publish_results(
-        self, results, save_aggregate: bool, save_forensic: bool, save_smtp_tls: bool
+        self,
+        results: dict[str, Any],
+        save_aggregate: bool,
+        save_forensic: bool,
+        save_smtp_tls: bool,
     ):
         """
         Function to publish DMARC and/or SMTP TLS reports to Log Analytics

parsedmarc/mail/gmail.py

@@ -1,3 +1,7 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import annotations
+
 from base64 import urlsafe_b64decode
 from functools import lru_cache
 from pathlib import Path
@@ -112,14 +116,14 @@ class GmailConnection(MailboxConnection):
         else:
             return [id for id in self._fetch_all_message_ids(reports_label_id)]
 
-    def fetch_message(self, message_id):
+    def fetch_message(self, message_id) -> str:
         msg = (
             self.service.users()
             .messages()
             .get(userId="me", id=message_id, format="raw")
             .execute()
         )
-        return urlsafe_b64decode(msg["raw"])
+        return urlsafe_b64decode(msg["raw"]).decode(errors="replace")
 
     def delete_message(self, message_id: str):
         self.service.users().messages().delete(userId="me", id=message_id)
@@ -152,3 +156,4 @@ class GmailConnection(MailboxConnection):
         for label in labels:
             if label_name == label["id"] or label_name == label["name"]:
                 return label["id"]
+        return ""

parsedmarc/mail/graph.py

@@ -1,8 +1,12 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import annotations
+
 from enum import Enum
 from functools import lru_cache
 from pathlib import Path
 from time import sleep
-from typing import List, Optional
+from typing import Any, List, Optional, Union
 
 from azure.identity import (
     UsernamePasswordCredential,
@@ -24,7 +28,7 @@ class AuthMethod(Enum):
 
 
 def _get_cache_args(token_path: Path, allow_unencrypted_storage):
-    cache_args = {
+    cache_args: dict[str, Any] = {
         "cache_persistence_options": TokenCachePersistenceOptions(
             name="parsedmarc", allow_unencrypted_storage=allow_unencrypted_storage
         )
@@ -147,9 +151,9 @@ class MSGraphConnection(MailboxConnection):
         else:
             logger.warning(f"Unknown response {resp.status_code} {resp.json()}")
 
-    def fetch_messages(self, folder_name: str, **kwargs) -> List[str]:
+    def fetch_messages(self, reports_folder: str, **kwargs) -> List[str]:
         """Returns a list of message UIDs in the specified folder"""
-        folder_id = self._find_folder_id_from_folder_path(folder_name)
+        folder_id = self._find_folder_id_from_folder_path(reports_folder)
         url = f"/users/{self.mailbox_name}/mailFolders/{folder_id}/messages"
         since = kwargs.get("since")
         if not since:
@@ -162,7 +166,7 @@ class MSGraphConnection(MailboxConnection):
 
     def _get_all_messages(self, url, batch_size, since):
         messages: list
-        params = {"$select": "id"}
+        params: dict[str, Union[str, int]] = {"$select": "id"}
         if since:
             params["$filter"] = f"receivedDateTime ge {since}"
         if batch_size and batch_size > 0:

parsedmarc/mail/imap.py

@@ -1,3 +1,9 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import annotations
+
+from typing import cast
+
 from time import sleep
 
 from imapclient.exceptions import IMAPClientError
@@ -11,14 +17,14 @@ from parsedmarc.mail.mailbox_connection import MailboxConnection
 class IMAPConnection(MailboxConnection):
     def __init__(
         self,
-        host=None,
-        user=None,
-        password=None,
-        port=None,
-        ssl=True,
-        verify=True,
-        timeout=30,
-        max_retries=4,
+        host: str,
+        user: str,
+        password: str,
+        port: int = 993,
+        ssl: bool = True,
+        verify: bool = True,
+        timeout: int = 30,
+        max_retries: int = 4,
     ):
         self._username = user
         self._password = password
@@ -40,18 +46,18 @@ class IMAPConnection(MailboxConnection):
     def fetch_messages(self, reports_folder: str, **kwargs):
         self._client.select_folder(reports_folder)
         since = kwargs.get("since")
-        if since:
-            return self._client.search(["SINCE", since])
+        if since is not None:
+            return self._client.search(f"SINCE {since}")
         else:
             return self._client.search()
 
-    def fetch_message(self, message_id):
-        return self._client.fetch_message(message_id, parse=False)
+    def fetch_message(self, message_id: int):
+        return cast(str, self._client.fetch_message(message_id, parse=False))
 
-    def delete_message(self, message_id: str):
+    def delete_message(self, message_id: int):
         self._client.delete_messages([message_id])
 
-    def move_message(self, message_id: str, folder_name: str):
+    def move_message(self, message_id: int, folder_name: str):
         self._client.move_messages([message_id], folder_name)
 
     def keepalive(self):

parsedmarc/mail/mailbox_connection.py

@@ -1,5 +1,8 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import annotations
+
 from abc import ABC
-from typing import List
 
 
 class MailboxConnection(ABC):
@@ -10,16 +13,16 @@ class MailboxConnection(ABC):
     def create_folder(self, folder_name: str):
         raise NotImplementedError
 
-    def fetch_messages(self, reports_folder: str, **kwargs) -> List[str]:
+    def fetch_messages(self, reports_folder: str, **kwargs):
         raise NotImplementedError
 
     def fetch_message(self, message_id) -> str:
         raise NotImplementedError
 
-    def delete_message(self, message_id: str):
+    def delete_message(self, message_id):
         raise NotImplementedError
 
-    def move_message(self, message_id: str, folder_name: str):
+    def move_message(self, message_id, folder_name: str):
         raise NotImplementedError
 
     def keepalive(self):

parsedmarc/mail/maildir.py

@@ -1,16 +1,21 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import annotations
+
+import mailbox
+import os
 from time import sleep
+from typing import Dict
 
 from parsedmarc.log import logger
 from parsedmarc.mail.mailbox_connection import MailboxConnection
-import mailbox
-import os
 
 
 class MaildirConnection(MailboxConnection):
     def __init__(
         self,
-        maildir_path=None,
-        maildir_create=False,
+        maildir_path: str,
+        maildir_create: bool = False,
     ):
         self._maildir_path = maildir_path
         self._maildir_create = maildir_create
@@ -27,27 +32,31 @@ class MaildirConnection(MailboxConnection):
                 )
                 raise Exception(ex)
         self._client = mailbox.Maildir(maildir_path, create=maildir_create)
-        self._subfolder_client = {}
+        self._subfolder_client: Dict[str, mailbox.Maildir] = {}
 
     def create_folder(self, folder_name: str):
         self._subfolder_client[folder_name] = self._client.add_folder(folder_name)
-        self._client.add_folder(folder_name)
 
     def fetch_messages(self, reports_folder: str, **kwargs):
         return self._client.keys()
 
-    def fetch_message(self, message_id):
-        return self._client.get(message_id).as_string()
+    def fetch_message(self, message_id: str) -> str:
+        msg = self._client.get(message_id)
+        if msg is not None:
+            msg = msg.as_string()
+            if msg is not None:
+                return msg
+        return ""
 
     def delete_message(self, message_id: str):
         self._client.remove(message_id)
 
     def move_message(self, message_id: str, folder_name: str):
         message_data = self._client.get(message_id)
-        if folder_name not in self._subfolder_client.keys():
-            self._subfolder_client = mailbox.Maildir(
-                os.join(self.maildir_path, folder_name), create=self.maildir_create
-            )
+        if message_data is None:
+            return
+        if folder_name not in self._subfolder_client:
+            self._subfolder_client[folder_name] = self._client.add_folder(folder_name)
         self._subfolder_client[folder_name].add(message_data)
         self._client.remove(message_id)
 

parsedmarc/opensearch.py

@@ -1,27 +1,29 @@
 # -*- coding: utf-8 -*-
 
-from collections import OrderedDict
+from __future__ import annotations
+
+from typing import Any, Optional, Union
 
 from opensearchpy import (
-    Q,
-    connections,
-    Object,
+    Boolean,
+    Date,
     Document,
     Index,
-    Nested,
     InnerDoc,
     Integer,
-    Text,
-    Boolean,
     Ip,
-    Date,
+    Nested,
+    Object,
+    Q,
     Search,
+    Text,
+    connections,
 )
 from opensearchpy.helpers import reindex
 
+from parsedmarc import InvalidForensicReport
 from parsedmarc.log import logger
 from parsedmarc.utils import human_timestamp_to_datetime
-from parsedmarc import InvalidForensicReport
 
 
 class OpenSearchError(Exception):
@@ -67,6 +69,8 @@ class _AggregateReportDoc(Document):
     date_range = Date()
     date_begin = Date()
     date_end = Date()
+    normalized_timespan = Boolean()
+    original_timespan_seconds = Integer
     errors = Text()
     published_policy = Object(_PublishedPolicy)
     source_ip_address = Ip()
@@ -87,18 +91,18 @@ class _AggregateReportDoc(Document):
     dkim_results = Nested(_DKIMResult)
     spf_results = Nested(_SPFResult)
 
-    def add_policy_override(self, type_, comment):
+    def add_policy_override(self, type_: str, comment: str):
         self.policy_overrides.append(_PolicyOverride(type=type_, comment=comment))
 
-    def add_dkim_result(self, domain, selector, result):
+    def add_dkim_result(self, domain: str, selector: str, result: _DKIMResult):
         self.dkim_results.append(
             _DKIMResult(domain=domain, selector=selector, result=result)
         )
 
-    def add_spf_result(self, domain, scope, result):
+    def add_spf_result(self, domain: str, scope: str, result: _SPFResult):
         self.spf_results.append(_SPFResult(domain=domain, scope=scope, result=result))
 
-    def save(self, **kwargs):
+    def save(self, **kwargs):  # pyright: ignore[reportIncompatibleMethodOverride]
         self.passed_dmarc = False
         self.passed_dmarc = self.spf_aligned or self.dkim_aligned
 
@@ -131,21 +135,21 @@ class _ForensicSampleDoc(InnerDoc):
     body = Text()
     attachments = Nested(_EmailAttachmentDoc)
 
-    def add_to(self, display_name, address):
+    def add_to(self, display_name: str, address: str):
         self.to.append(_EmailAddressDoc(display_name=display_name, address=address))
 
-    def add_reply_to(self, display_name, address):
+    def add_reply_to(self, display_name: str, address: str):
         self.reply_to.append(
             _EmailAddressDoc(display_name=display_name, address=address)
         )
 
-    def add_cc(self, display_name, address):
+    def add_cc(self, display_name: str, address: str):
         self.cc.append(_EmailAddressDoc(display_name=display_name, address=address))
 
-    def add_bcc(self, display_name, address):
+    def add_bcc(self, display_name: str, address: str):
         self.bcc.append(_EmailAddressDoc(display_name=display_name, address=address))
 
-    def add_attachment(self, filename, content_type, sha256):
+    def add_attachment(self, filename: str, content_type: str, sha256: str):
         self.attachments.append(
             _EmailAttachmentDoc(
                 filename=filename, content_type=content_type, sha256=sha256
@@ -197,15 +201,15 @@ class _SMTPTLSPolicyDoc(InnerDoc):
 
     def add_failure_details(
         self,
-        result_type,
-        ip_address,
-        receiving_ip,
-        receiving_mx_helo,
-        failed_session_count,
-        sending_mta_ip=None,
-        receiving_mx_hostname=None,
-        additional_information_uri=None,
-        failure_reason_code=None,
+        result_type: Optional[str] = None,
+        ip_address: Optional[str] = None,
+        receiving_ip: Optional[str] = None,
+        receiving_mx_helo: Optional[str] = None,
+        failed_session_count: Optional[int] = None,
+        sending_mta_ip: Optional[str] = None,
+        receiving_mx_hostname: Optional[str] = None,
+        additional_information_uri: Optional[str] = None,
+        failure_reason_code: Union[str, int, None] = None,
     ):
         _details = _SMTPTLSFailureDetailsDoc(
             result_type=result_type,
@@ -235,13 +239,14 @@ class _SMTPTLSReportDoc(Document):
 
     def add_policy(
         self,
-        policy_type,
-        policy_domain,
-        successful_session_count,
-        failed_session_count,
-        policy_string=None,
-        mx_host_patterns=None,
-        failure_details=None,
+        policy_type: str,
+        policy_domain: str,
+        successful_session_count: int,
+        failed_session_count: int,
+        *,
+        policy_string: Optional[str] = None,
+        mx_host_patterns: Optional[list[str]] = None,
+        failure_details: Optional[str] = None,
     ):
         self.policies.append(
             policy_type=policy_type,
@@ -259,24 +264,25 @@ class AlreadySaved(ValueError):
 
 
 def set_hosts(
-    hosts,
-    use_ssl=False,
-    ssl_cert_path=None,
-    username=None,
-    password=None,
-    apiKey=None,
-    timeout=60.0,
+    hosts: Union[str, list[str]],
+    *,
+    use_ssl: Optional[bool] = False,
+    ssl_cert_path: Optional[str] = None,
+    username: Optional[str] = None,
+    password: Optional[str] = None,
+    api_key: Optional[str] = None,
+    timeout: Optional[float] = 60.0,
 ):
     """
     Sets the OpenSearch hosts to use
 
     Args:
-        hosts (str|list): A hostname or URL, or list of hostnames or URLs
+        hosts (str|list[str]): A single hostname or URL, or list of hostnames or URLs
         use_ssl (bool): Use an HTTPS connection to the server
         ssl_cert_path (str): Path to the certificate chain
         username (str): The username to use for authentication
         password (str): The password to use for authentication
-        apiKey (str): The Base64 encoded API key to use for authentication
+        api_key (str): The Base64 encoded API key to use for authentication
         timeout (float): Timeout in seconds
     """
     if not isinstance(hosts, list):
@@ -289,14 +295,14 @@ def set_hosts(
             conn_params["ca_certs"] = ssl_cert_path
         else:
             conn_params["verify_certs"] = False
-    if username:
+    if username and password:
         conn_params["http_auth"] = username + ":" + password
-    if apiKey:
-        conn_params["api_key"] = apiKey
+    if api_key:
+        conn_params["api_key"] = api_key
     connections.create_connection(**conn_params)
 
 
-def create_indexes(names, settings=None):
+def create_indexes(names: list[str], settings: Optional[dict[str, Any]] = None):
     """
     Create OpenSearch indexes
 
@@ -319,7 +325,10 @@ def create_indexes(names, settings=None):
             raise OpenSearchError("OpenSearch error: {0}".format(e.__str__()))
 
 
-def migrate_indexes(aggregate_indexes=None, forensic_indexes=None):
+def migrate_indexes(
+    aggregate_indexes: Optional[list[str]] = None,
+    forensic_indexes: Optional[list[str]] = None,
+):
     """
     Updates index mappings
 
@@ -366,18 +375,18 @@ def migrate_indexes(aggregate_indexes=None, forensic_indexes=None):
 
 
 def save_aggregate_report_to_opensearch(
-    aggregate_report,
-    index_suffix=None,
-    index_prefix=None,
-    monthly_indexes=False,
-    number_of_shards=1,
-    number_of_replicas=0,
+    aggregate_report: dict[str, Any],
+    index_suffix: Optional[str] = None,
+    index_prefix: Optional[str] = None,
+    monthly_indexes: bool = False,
+    number_of_shards: int = 1,
+    number_of_replicas: int = 0,
 ):
     """
     Saves a parsed DMARC aggregate report to OpenSearch
 
     Args:
-        aggregate_report (OrderedDict): A parsed forensic report
+        aggregate_report (dict): A parsed forensic report
         index_suffix (str): The suffix of the name of the index to save to
         index_prefix (str): The prefix of the name of the index to save to
         monthly_indexes (bool): Use monthly indexes instead of daily indexes
@@ -395,15 +404,11 @@ def save_aggregate_report_to_opensearch(
     domain = aggregate_report["policy_published"]["domain"]
     begin_date = human_timestamp_to_datetime(metadata["begin_date"], to_utc=True)
     end_date = human_timestamp_to_datetime(metadata["end_date"], to_utc=True)
-    begin_date_human = begin_date.strftime("%Y-%m-%d %H:%M:%SZ")
-    end_date_human = end_date.strftime("%Y-%m-%d %H:%M:%SZ")
+
     if monthly_indexes:
         index_date = begin_date.strftime("%Y-%m")
     else:
         index_date = begin_date.strftime("%Y-%m-%d")
-    aggregate_report["begin_date"] = begin_date
-    aggregate_report["end_date"] = end_date
-    date_range = [aggregate_report["begin_date"], aggregate_report["end_date"]]
 
     org_name_query = Q(dict(match_phrase=dict(org_name=org_name)))
     report_id_query = Q(dict(match_phrase=dict(report_id=report_id)))
@@ -421,6 +426,8 @@ def save_aggregate_report_to_opensearch(
     query = org_name_query & report_id_query & domain_query
     query = query & begin_date_query & end_date_query
     search.query = query
+    begin_date_human = begin_date.strftime("%Y-%m-%d %H:%M:%SZ")
+    end_date_human = end_date.strftime("%Y-%m-%d %H:%M:%SZ")
 
     try:
         existing = search.execute()
@@ -450,6 +457,17 @@ def save_aggregate_report_to_opensearch(
     )
 
     for record in aggregate_report["records"]:
+        begin_date = human_timestamp_to_datetime(record["interval_begin"], to_utc=True)
+        end_date = human_timestamp_to_datetime(record["interval_end"], to_utc=True)
+        normalized_timespan = record["normalized_timespan"]
+
+        if monthly_indexes:
+            index_date = begin_date.strftime("%Y-%m")
+        else:
+            index_date = begin_date.strftime("%Y-%m-%d")
+        aggregate_report["begin_date"] = begin_date
+        aggregate_report["end_date"] = end_date
+        date_range = [aggregate_report["begin_date"], aggregate_report["end_date"]]
         agg_doc = _AggregateReportDoc(
             xml_schema=aggregate_report["xml_schema"],
             org_name=metadata["org_name"],
@@ -457,8 +475,9 @@ def save_aggregate_report_to_opensearch(
             org_extra_contact_info=metadata["org_extra_contact_info"],
             report_id=metadata["report_id"],
             date_range=date_range,
-            date_begin=aggregate_report["begin_date"],
-            date_end=aggregate_report["end_date"],
+            date_begin=begin_date,
+            date_end=end_date,
+            normalized_timespan=normalized_timespan,
             errors=metadata["errors"],
             published_policy=published_policy,
             source_ip_address=record["source"]["ip_address"],
@@ -517,18 +536,18 @@ def save_aggregate_report_to_opensearch(
 
 
 def save_forensic_report_to_opensearch(
-    forensic_report,
-    index_suffix=None,
-    index_prefix=None,
-    monthly_indexes=False,
-    number_of_shards=1,
-    number_of_replicas=0,
+    forensic_report: dict[str, Any],
+    index_suffix: Optional[str] = None,
+    index_prefix: Optional[str] = None,
+    monthly_indexes: bool = False,
+    number_of_shards: int = 1,
+    number_of_replicas: int = 0,
 ):
     """
     Saves a parsed DMARC forensic report to OpenSearch
 
     Args:
-        forensic_report (OrderedDict): A parsed forensic report
+        forensic_report (dict): A parsed forensic report
         index_suffix (str): The suffix of the name of the index to save to
         index_prefix (str): The prefix of the name of the index to save to
         monthly_indexes (bool): Use monthly indexes instead of daily
@@ -548,7 +567,7 @@ def save_forensic_report_to_opensearch(
         sample_date = forensic_report["parsed_sample"]["date"]
         sample_date = human_timestamp_to_datetime(sample_date)
     original_headers = forensic_report["parsed_sample"]["headers"]
-    headers = OrderedDict()
+    headers: dict[str, Any] = {}
     for original_header in original_headers:
         headers[original_header.lower()] = original_headers[original_header]
 
@@ -684,18 +703,18 @@ def save_forensic_report_to_opensearch(
 
 
 def save_smtp_tls_report_to_opensearch(
-    report,
-    index_suffix=None,
-    index_prefix=None,
-    monthly_indexes=False,
-    number_of_shards=1,
-    number_of_replicas=0,
+    report: dict[str, Any],
+    index_suffix: Optional[str] = None,
+    index_prefix: Optional[str] = None,
+    monthly_indexes: bool = False,
+    number_of_shards: int = 1,
+    number_of_replicas: int = 0,
 ):
     """
     Saves a parsed SMTP TLS report to OpenSearch
 
     Args:
-        report (OrderedDict): A parsed SMTP TLS report
+        report (dict): A parsed SMTP TLS report
         index_suffix (str): The suffix of the name of the index to save to
         index_prefix (str): The prefix of the name of the index to save to
         monthly_indexes (bool): Use monthly indexes instead of daily indexes
@@ -705,7 +724,7 @@ def save_smtp_tls_report_to_opensearch(
     Raises:
             AlreadySaved
     """
-    logger.info("Saving aggregate report to OpenSearch")
+    logger.info("Saving SMTP TLS report to OpenSearch")
     org_name = report["organization_name"]
     report_id = report["report_id"]
     begin_date = human_timestamp_to_datetime(report["begin_date"], to_utc=True)
@@ -781,7 +800,7 @@ def save_smtp_tls_report_to_opensearch(
         policy_doc = _SMTPTLSPolicyDoc(
             policy_domain=policy["policy_domain"],
             policy_type=policy["policy_type"],
-            succesful_session_count=policy["successful_session_count"],
+            successful_session_count=policy["successful_session_count"],
             failed_session_count=policy["failed_session_count"],
             policy_string=policy_strings,
             mx_host_patterns=mx_host_patterns,

parsedmarc/resources/maps/README.md

@@ -27,6 +27,7 @@ The `service_type` is based on the following rule precedence:
 - Agriculture
 - Automotive
 - Beauty
+- Conglomerate
 - Construction
 - Consulting
 - Defense
@@ -43,6 +44,7 @@ The `service_type` is based on the following rule precedence:
 - IaaS
 - Industrial
 - ISP
+- Legal
 - Logistics
 - Manufacturing
 - Marketing
@@ -52,6 +54,7 @@ The `service_type` is based on the following rule precedence:
 - Nonprofit
 - PaaS
 - Photography
+- Physical Security
 - Print
 - Publishing
 - Real Estate
@@ -74,12 +77,16 @@ A list of reverse DNS base domains that could not be identified as belonging to
 
 ## base_reverse_dns.csv
 
-A CSV with the fields `source_name` and optionally `message_count`. This CSV can be generated byy exporting the base DNS data from the Kibana on Splunk dashboards provided by parsedmarc. This file is not tracked by Git.
+A CSV with the fields `source_name` and optionally `message_count`. This CSV can be generated by exporting the base DNS data from the Kibana or Splunk dashboards provided by parsedmarc. This file is not tracked by Git.
 
 ## unknown_base_reverse_dns.csv
 
 A CSV file with the fields `source_name` and `message_count`. This file is not tracked by Git.
 
+## find_bad_utf8.py
+
+Locates invalid UTF-8 bytes in files and optionally tries to current them. Generated by GPT5. Helped me find where I had introduced invalid bytes in `base_reverse_dns_map.csv`.
+
 ## find_unknown_base_reverse_dns.py
 
 This is a python script that reads the domains in `base_reverse_dns.csv` and writes the domains that are not in `base_reverse_dns_map.csv` or `known_unknown_base_reverse_dns.txt` to `unknown_base_reverse_dns.csv`. This is useful for identifying potential additional domains to contribute to `base_reverse_dns_map.csv` and `known_unknown_base_reverse_dns.txt`.

parsedmarc/resources/maps/base_reverse_dns_types.txt

@@ -0,0 +1,44 @@
+Agriculture
+Automotive
+Beauty
+Conglomerate
+Construction
+Consulting
+Defense
+Education
+Email Provider
+Email Security
+Entertainment
+Event Planning
+Finance
+Food
+Government
+Government Media
+Healthcare
+ISP
+IaaS
+Industrial
+Legal
+Logistics
+MSP
+MSSP
+Manufacturing
+Marketing
+News
+Nonprofit
+PaaS
+Photography
+Physical Security
+Print
+Publishing
+Real Estate
+Retail
+SaaS
+Science
+Search Engine
+Social Media
+Sports
+Staffing
+Technology
+Travel
+Web Host

parsedmarc/resources/maps/find_bad_utf8.py

@@ -0,0 +1,488 @@
+#!/usr/bin/env python3
+
+
+import argparse
+import codecs
+import os
+import sys
+import shutil
+from typing import List, Tuple
+
+"""
+Locates and optionally corrects bad UTF-8 bytes in a file.
+Generated by GPT-5 Use at your own risk.
+"""
+
+# -------------------------
+# UTF-8 scanning
+# -------------------------
+
+
+def scan_line_for_utf8_errors(
+    line_bytes: bytes, line_no: int, base_offset: int, context: int
+):
+    """
+    Scan one line of raw bytes for UTF-8 decoding errors.
+    Returns a list of dicts describing each error.
+    """
+    pos = 0
+    results = []
+    while pos < len(line_bytes):
+        dec = codecs.getincrementaldecoder("utf-8")("strict")
+        try:
+            dec.decode(line_bytes[pos:], final=True)
+            break
+        except UnicodeDecodeError as e:
+            rel_index = e.start
+            abs_index_in_line = pos + rel_index
+            abs_offset = base_offset + abs_index_in_line
+
+            start_ctx = max(0, abs_index_in_line - context)
+            end_ctx = min(len(line_bytes), abs_index_in_line + 1 + context)
+            ctx_bytes = line_bytes[start_ctx:end_ctx]
+            bad_byte = line_bytes[abs_index_in_line : abs_index_in_line + 1]
+            col = abs_index_in_line + 1  # 1-based byte column
+
+            results.append(
+                {
+                    "line": line_no,
+                    "column": col,
+                    "abs_offset": abs_offset,
+                    "bad_byte_hex": bad_byte.hex(),
+                    "context_hex": ctx_bytes.hex(),
+                    "context_preview": ctx_bytes.decode("utf-8", errors="replace"),
+                }
+            )
+            # Move past the offending byte and continue
+            pos = abs_index_in_line + 1
+    return results
+
+
+def scan_file_for_utf8_errors(path: str, context: int, limit: int):
+    errors_found = 0
+    limit_val = limit if limit != 0 else float("inf")
+
+    with open(path, "rb") as f:
+        total_offset = 0
+        line_no = 0
+        while True:
+            line = f.readline()
+            if not line:
+                break
+            line_no += 1
+            results = scan_line_for_utf8_errors(line, line_no, total_offset, context)
+            for r in results:
+                errors_found += 1
+                print(
+                    f"[ERROR {errors_found}] Line {r['line']}, Column {r['column']}, "
+                    f"Absolute byte offset {r['abs_offset']}"
+                )
+                print(f"  Bad byte: 0x{r['bad_byte_hex']}")
+                print(f"  Context (hex): {r['context_hex']}")
+                print(f"  Context (preview): {r['context_preview']}")
+                print()
+                if errors_found >= limit_val:
+                    print(f"Reached limit of {limit} errors. Stopping.")
+                    return errors_found
+            total_offset += len(line)
+
+    if errors_found == 0:
+        print("No invalid UTF-8 bytes found. 🎉")
+    else:
+        print(f"Found {errors_found} invalid UTF-8 byte(s).")
+    return errors_found
+
+
+# -------------------------
+# Whole-file conversion
+# -------------------------
+
+
+def detect_encoding_text(path: str) -> Tuple[str, str]:
+    """
+    Use charset-normalizer to detect file encoding.
+    Return (encoding_name, decoded_text). Falls back to cp1252 if needed.
+    """
+    try:
+        from charset_normalizer import from_path
+    except ImportError:
+        print(
+            "Please install charset-normalizer: pip install charset-normalizer",
+            file=sys.stderr,
+        )
+        sys.exit(4)
+
+    matches = from_path(path)
+    match = matches.best()
+    if match is None or match.encoding is None:
+        # Fallback heuristic for Western single-byte text
+        with open(path, "rb") as fb:
+            data = fb.read()
+        try:
+            return "cp1252", data.decode("cp1252", errors="strict")
+        except UnicodeDecodeError:
+            print("Unable to detect encoding reliably.", file=sys.stderr)
+            sys.exit(5)
+
+    return match.encoding, str(match)
+
+
+def convert_to_utf8(src_path: str, out_path: str, src_encoding: str = None) -> str:
+    """
+    Convert an entire file to UTF-8 (re-decoding everything).
+    If src_encoding is provided, use it; else auto-detect.
+    Returns the encoding actually used.
+    """
+    if src_encoding:
+        with open(src_path, "rb") as fb:
+            data = fb.read()
+        try:
+            text = data.decode(src_encoding, errors="strict")
+        except LookupError:
+            print(f"Unknown encoding: {src_encoding}", file=sys.stderr)
+            sys.exit(6)
+        except UnicodeDecodeError as e:
+            print(f"Decoding failed with {src_encoding}: {e}", file=sys.stderr)
+            sys.exit(7)
+        used = src_encoding
+    else:
+        used, text = detect_encoding_text(src_path)
+
+    with open(out_path, "w", encoding="utf-8", newline="") as fw:
+        fw.write(text)
+    return used
+
+
+def verify_utf8_file(path: str) -> Tuple[bool, str]:
+    try:
+        with open(path, "rb") as fb:
+            fb.read().decode("utf-8", errors="strict")
+        return True, ""
+    except UnicodeDecodeError as e:
+        return False, str(e)
+
+
+# -------------------------
+# Targeted single-byte fixer
+# -------------------------
+
+
+def iter_lines_with_offsets(b: bytes):
+    """
+    Yield (line_bytes, line_start_abs_offset). Preserves LF/CRLF/CR in bytes.
+    """
+    start = 0
+    for i, byte in enumerate(b):
+        if byte == 0x0A:  # LF
+            yield b[start : i + 1], start
+            start = i + 1
+    if start < len(b):
+        yield b[start:], start
+
+
+def detect_probable_fallbacks() -> List[str]:
+    # Good defaults for Western/Portuguese text
+    return ["cp1252", "iso-8859-1", "iso-8859-15"]
+
+
+def repair_mixed_utf8_line(line: bytes, base_offset: int, fallback_chain: List[str]):
+    """
+    Strictly validate UTF-8 and fix *only* the exact offending byte when an error occurs.
+    This avoids touching adjacent valid UTF-8 (prevents mojibake like 'é').
+    """
+    out_fragments: List[str] = []
+    fixes = []
+    pos = 0
+    n = len(line)
+
+    while pos < n:
+        dec = codecs.getincrementaldecoder("utf-8")("strict")
+        try:
+            s = dec.decode(line[pos:], final=True)
+            out_fragments.append(s)
+            break
+        except UnicodeDecodeError as e:
+            # Append the valid prefix before the error
+            if e.start > 0:
+                out_fragments.append(
+                    line[pos : pos + e.start].decode("utf-8", errors="strict")
+                )
+
+            bad_index = pos + e.start  # absolute index in 'line'
+            bad_slice = line[bad_index : bad_index + 1]  # FIX EXACTLY ONE BYTE
+
+            # Decode that single byte using the first working fallback
+            decoded = None
+            used_enc = None
+            for enc in fallback_chain:
+                try:
+                    decoded = bad_slice.decode(enc, errors="strict")
+                    used_enc = enc
+                    break
+                except Exception:
+                    continue
+            if decoded is None:
+                # latin-1 always succeeds (byte->same code point)
+                decoded = bad_slice.decode("latin-1")
+                used_enc = "latin-1 (fallback)"
+
+            out_fragments.append(decoded)
+
+            # Log the fix
+            col_1based = bad_index + 1  # byte-based column
+            fixes.append(
+                {
+                    "line_base_offset": base_offset,
+                    "line": None,  # caller fills line number
+                    "column": col_1based,
+                    "abs_offset": base_offset + bad_index,
+                    "bad_bytes_hex": bad_slice.hex(),
+                    "used_encoding": used_enc,
+                    "replacement_preview": decoded,
+                }
+            )
+
+            # Advance exactly one byte past the offending byte and continue
+            pos = bad_index + 1
+
+    return "".join(out_fragments), fixes
+
+
+def targeted_fix_to_utf8(
+    src_path: str,
+    out_path: str,
+    fallback_chain: List[str],
+    dry_run: bool,
+    max_fixes: int,
+):
+    with open(src_path, "rb") as fb:
+        data = fb.read()
+
+    total_fixes = 0
+    repaired_lines: List[str] = []
+    line_no = 0
+    max_val = max_fixes if max_fixes != 0 else float("inf")
+
+    for line_bytes, base_offset in iter_lines_with_offsets(data):
+        line_no += 1
+        # Fast path: keep lines that are already valid UTF-8
+        try:
+            repaired_lines.append(line_bytes.decode("utf-8", errors="strict"))
+            continue
+        except UnicodeDecodeError:
+            pass
+
+        fixed_text, fixes = repair_mixed_utf8_line(
+            line_bytes, base_offset, fallback_chain=fallback_chain
+        )
+        for f in fixes:
+            f["line"] = line_no
+
+        repaired_lines.append(fixed_text)
+
+        # Log fixes
+        for f in fixes:
+            total_fixes += 1
+            print(
+                f"[FIX {total_fixes}] Line {f['line']}, Column {f['column']}, Abs offset {f['abs_offset']}"
+            )
+            print(f"  Bad bytes: 0x{f['bad_bytes_hex']}")
+            print(f"  Used encoding: {f['used_encoding']}")
+            preview = f["replacement_preview"].replace("\r", "\\r").replace("\n", "\\n")
+            if len(preview) > 40:
+                preview = preview[:40] + "…"
+            print(f"  Replacement preview: {preview}")
+            print()
+            if total_fixes >= max_val:
+                print(f"Reached max fixes limit ({max_fixes}). Stopping scan.")
+                break
+        if total_fixes >= max_val:
+            break
+
+    if dry_run:
+        print(f"Dry run complete. Detected {total_fixes} fix(es). No file written.")
+        return total_fixes
+
+    # Join and verify result can be encoded to UTF-8
+    repaired_text = "".join(repaired_lines)
+    try:
+        repaired_text.encode("utf-8", errors="strict")
+    except UnicodeEncodeError as e:
+        print(f"Internal error: repaired text not valid UTF-8: {e}", file=sys.stderr)
+        sys.exit(3)
+
+    with open(out_path, "w", encoding="utf-8", newline="") as fw:
+        fw.write(repaired_text)
+
+    print(f"Fixed file written to: {out_path}")
+    print(f"Total fixes applied: {total_fixes}")
+    return total_fixes
+
+
+# -------------------------
+# CLI
+# -------------------------
+
+
+def main():
+    ap = argparse.ArgumentParser(
+        description=(
+            "Scan for invalid UTF-8; optionally convert whole file or fix only invalid bytes.\n\n"
+            "By default, --convert and --fix **edit the input file in place** and create a backup "
+            "named '<input>.bak' before writing. If you pass --output, the original file is left "
+            "unchanged and no backup is created. Use --dry-run to preview fixes without writing."
+        ),
+        formatter_class=argparse.RawTextHelpFormatter,
+    )
+    ap.add_argument("path", help="Path to the CSV/text file")
+    ap.add_argument(
+        "--context",
+        type=int,
+        default=20,
+        help="Bytes of context to show around errors (default: 20)",
+    )
+    ap.add_argument(
+        "--limit",
+        type=int,
+        default=100,
+        help="Max errors to report during scan (0 = unlimited)",
+    )
+    ap.add_argument(
+        "--skip-scan", action="store_true", help="Skip initial scan for speed"
+    )
+
+    # Whole-file convert
+    ap.add_argument(
+        "--convert",
+        action="store_true",
+        help="Convert entire file to UTF-8 using auto/forced encoding "
+        "(in-place by default; creates '<input>.bak').",
+    )
+    ap.add_argument(
+        "--encoding",
+        help="Force source encoding for --convert or first fallback for --fix",
+    )
+    ap.add_argument(
+        "--output",
+        help="Write to this path instead of in-place (no .bak is created in that case)",
+    )
+
+    # Targeted fix
+    ap.add_argument(
+        "--fix",
+        action="store_true",
+        help="Fix only invalid byte(s) via fallback encodings "
+        "(in-place by default; creates '<input>.bak').",
+    )
+    ap.add_argument(
+        "--fallbacks",
+        help="Comma-separated fallback encodings (default: cp1252,iso-8859-1,iso-8859-15)",
+    )
+    ap.add_argument(
+        "--dry-run",
+        action="store_true",
+        help="(fix) Print fixes but do not write or create a .bak",
+    )
+    ap.add_argument(
+        "--max-fixes",
+        type=int,
+        default=0,
+        help="(fix) Stop after N fixes (0 = unlimited)",
+    )
+
+    args = ap.parse_args()
+    path = args.path
+
+    if not os.path.isfile(path):
+        print(f"File not found: {path}", file=sys.stderr)
+        sys.exit(2)
+
+    # Optional scan first
+    if not args.skip_scan:
+        scan_file_for_utf8_errors(path, context=args.context, limit=args.limit)
+
+    # Mode selection guards
+    if args.convert and args.fix:
+        print("Choose either --convert or --fix (not both).", file=sys.stderr)
+        sys.exit(9)
+    if not args.convert and not args.fix and args.skip_scan:
+        print("No action selected (use --convert or --fix).")
+        return
+    if not args.convert and not args.fix:
+        # User only wanted a scan
+        return
+
+    # Determine output path and backup behavior
+    # In-place by default: create '<input>.bak' before overwriting.
+    if args.output:
+        out_path = args.output
+        in_place = False
+    else:
+        out_path = path
+        in_place = True
+
+    # CONVERT mode
+    if args.convert:
+        print("\n[CONVERT MODE] Converting file to UTF-8...")
+        if in_place:
+            # Create backup before overwriting original
+            backup_path = path + ".bak"
+            shutil.copy2(path, backup_path)
+            print(f"Backup created: {backup_path}")
+        used = convert_to_utf8(path, out_path, src_encoding=args.encoding)
+        print(f"Source encoding used: {used}")
+        print(f"Saved UTF-8 file as: {out_path}")
+        ok, err = verify_utf8_file(out_path)
+        if ok:
+            print("Verification: output is valid UTF-8 ✅")
+        else:
+            print(f"Verification failed: {err}")
+            sys.exit(8)
+        return
+
+    # FIX mode (targeted, single-byte)
+    if args.fix:
+        print("\n[FIX MODE] Fixing only invalid bytes to UTF-8...")
+        if args.dry_run:
+            # Dry-run: never write or create backup
+            out_path_effective = os.devnull
+            in_place_effective = False
+        else:
+            out_path_effective = out_path
+            in_place_effective = in_place
+
+        # Build fallback chain (if --encoding provided, try it first)
+        if args.fallbacks:
+            fallback_chain = [e.strip() for e in args.fallbacks.split(",") if e.strip()]
+        else:
+            fallback_chain = detect_probable_fallbacks()
+        if args.encoding and args.encoding not in fallback_chain:
+            fallback_chain = [args.encoding] + fallback_chain
+
+        if in_place_effective:
+            # Create backup before overwriting original (only when actually writing)
+            backup_path = path + ".bak"
+            shutil.copy2(path, backup_path)
+            print(f"Backup created: {backup_path}")
+
+        fix_count = targeted_fix_to_utf8(
+            path,
+            out_path_effective,
+            fallback_chain=fallback_chain,
+            dry_run=args.dry_run,
+            max_fixes=args.max_fixes,
+        )
+
+        if not args.dry_run:
+            ok, err = verify_utf8_file(out_path_effective)
+            if ok:
+                print("Verification: output is valid UTF-8 ✅")
+                print(f"Fix mode completed — {fix_count} byte(s) corrected.")
+            else:
+                print(f"Verification failed: {err}")
+                sys.exit(8)
+        return
+
+
+if __name__ == "__main__":
+    main()

parsedmarc/resources/maps/find_unknown_base_reverse_dns.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python
 
-import logging
 import os
 import csv
 
@@ -9,60 +8,66 @@ def _main():
     input_csv_file_path = "base_reverse_dns.csv"
     base_reverse_dns_map_file_path = "base_reverse_dns_map.csv"
     known_unknown_list_file_path = "known_unknown_base_reverse_dns.txt"
+    psl_overrides_file_path = "psl_overrides.txt"
     output_csv_file_path = "unknown_base_reverse_dns.csv"
 
     csv_headers = ["source_name", "message_count"]
 
+    known_unknown_domains = []
+    psl_overrides = []
+    known_domains = []
     output_rows = []
 
-    logging.basicConfig()
-    logger = logging.getLogger(__name__)
-    logger.setLevel(logging.INFO)
+    def load_list(file_path, list_var):
+        if not os.path.exists(file_path):
+            print(f"Error: {file_path} does not exist")
+        print(f"Loading {file_path}")
+        with open(file_path) as f:
+            for line in f.readlines():
+                domain = line.lower().strip()
+                if domain in list_var:
+                    print(f"Error: {domain} is in {file_path} multiple times")
+                    exit(1)
+                elif domain != "":
+                    list_var.append(domain)
 
-    for p in [
-        input_csv_file_path,
-        base_reverse_dns_map_file_path,
-        known_unknown_list_file_path,
-    ]:
-        if not os.path.exists(p):
-            logger.error(f"{p} does not exist")
-            exit(1)
-    logger.info(f"Loading {known_unknown_list_file_path}")
-    known_unknown_domains = []
-    with open(known_unknown_list_file_path) as f:
-        for line in f.readlines():
-            domain = line.lower().strip()
-            if domain in known_unknown_domains:
-                logger.warning(
-                    f"{domain} is in {known_unknown_list_file_path} multiple times"
-                )
-            else:
-                known_unknown_domains.append(domain)
-    logger.info(f"Loading {base_reverse_dns_map_file_path}")
-    known_domains = []
+    load_list(known_unknown_list_file_path, known_unknown_domains)
+    load_list(psl_overrides_file_path, psl_overrides)
+    if not os.path.exists(base_reverse_dns_map_file_path):
+        print(f"Error: {base_reverse_dns_map_file_path} does not exist")
+    print(f"Loading {base_reverse_dns_map_file_path}")
     with open(base_reverse_dns_map_file_path) as f:
         for row in csv.DictReader(f):
             domain = row["base_reverse_dns"].lower().strip()
             if domain in known_domains:
-                logger.warning(
-                    f"{domain} is in {base_reverse_dns_map_file_path} multiple times"
+                print(
+                    f"Error: {domain} is in {base_reverse_dns_map_file_path} multiple times"
                 )
+                exit()
             else:
                 known_domains.append(domain)
             if domain in known_unknown_domains and known_domains:
-                pass
-                logger.warning(
-                    f"{domain} is in {known_unknown_list_file_path} and {base_reverse_dns_map_file_path}"
+                print(
+                    f"Error:{domain} is in {known_unknown_list_file_path} and \
+                        {base_reverse_dns_map_file_path}"
                 )
-
-    logger.info(f"Checking domains against {base_reverse_dns_map_file_path}")
+                exit(1)
+    if not os.path.exists(input_csv_file_path):
+        print(f"Error: {base_reverse_dns_map_file_path} does not exist")
+        exit(1)
     with open(input_csv_file_path) as f:
         for row in csv.DictReader(f):
             domain = row["source_name"].lower().strip()
+            if domain == "":
+                continue
+            for psl_domain in psl_overrides:
+                if domain.endswith(psl_domain):
+                    domain = psl_domain.strip(".").strip("-")
+                    break
             if domain not in known_domains and domain not in known_unknown_domains:
-                logger.info(f"New unknown domain found: {domain}")
+                print(f"New unknown domain found: {domain}")
                 output_rows.append(row)
-    logger.info(f"Writing {output_csv_file_path}")
+    print(f"Writing {output_csv_file_path}")
     with open(output_csv_file_path, "w") as f:
         writer = csv.DictWriter(f, fieldnames=csv_headers)
         writer.writeheader()

parsedmarc/resources/maps/known_unknown_base_reverse_dns.txt

@@ -1,125 +1,601 @@
-200.in-addr.arpa
+1jli.site
+26.107
+444qcuhilla.com
+4xr1.com
+9services.com
+a7e.ru
+a94434500-blog.com
+aams8.jp
+abv-10.top
+acemail.co.in
+activaicon.com
+adcritic.net
 adlucrumnewsletter.com
 admin.corpivensa.gob.ve
+advantageiq.com
+advrider.ro
 aerospacevitro.us.com
+agenturserver.de
+aghories.com
+ai270.net
 albagroup-eg.com
+alchemy.net
+alohabeachcamp.net
+alsiscad.com
+aluminumpipetubing.com
+americanstorageca.com
+amplusserver.info
+anchorfundhub.com
+anglishment.com
 anteldata.net.uy
+antis.edu
 antonaoll.com
+anviklass.org
+anwrgrp.lat
 aosau.net
 arandomserver.com
+aransk.ru
+ardcs.cn
+armninl.met
+as29550.net
+asahachimaru.com
+aserv.co.za
 asmecam.it
+ateky.net.br
+aurelienvos.com
+automatech.lat
+avistaadvantage.com
 b8sales.com
+bahjs.com
+baliaura.com
+banaras.co
+bearandbullmarketnews.com
 bestinvestingtime.com
+bhjui.com
 biocorp.com
-bisno1.co.jp
+biosophy.net
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 bluhosting.com
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 brnonet.cz
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 cloud-edm.com
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 detrot.xyz
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 dkginternet.com
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 eyecandyhosting.xyz
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 idcfcloud.net
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 immenzaces.com
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+mywic.eu
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+nanshenqfurniture.com
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 ncport.ru
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 neovet-base.ru
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 nidix.net
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+office365.us
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+oppt-ac.fit
+orbitel.net.co
+orfsurface.com
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 ovaltinalization.co
 overta.ru
+ox28vgrurc.com
+pamulang.net
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+panolacountysheriffms.com
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+ph8ltwdi12o.com
+pharmada.com.de
+phdns3.es
+pigelixval1.com
+pipefittingsindia.com
 planethoster.net
+playamedia.io
+plesk.page
 pmnhost.net
+pokiloandhu.net
+pokupki5.ru
+polandi.net
 popiup.com
+ports.net
+posolstvostilya.com
+potia.net
 prima.com.ar
 prima.net.ar
+profsol.co.uk
+prohealthmotion.com
+promooffermarket.site
 proudserver.com
+proxado.com
+psnm.ru
+pvcwindowsprices.live
 qontenciplc.autos
+quakeclick.com
+quasarstate.store
+quatthonggiotico.com
+qxyxab44njd.com
+radianthealthrenaissance.com
+rapidns.com
 raxa.host
+reberte.com
+reethvikintl.com
+regruhosting.ru
+reliablepanel.com
+rgb365.eu
+riddlecamera.net
+riddletrends.com
+roccopugliese.com
+runnin-rebels.com
+rupar.puglia.it
+rwdhosting.ca
+s500host.com
+sageevents.co.ke
 sahacker-2020.com
 samsales.site
+sante-lorraine.fr
+saransk.ru
 satirogluet.com
-securednshost.com
+scioncontacts.com
+sdcc.my
+seaspraymta3.net
+secorp.mx
 securen.net
 securerelay.in
 securev.net
+seductiveeyes.com
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+server290.com
+server342.com
+server3559.cc
 servershost.biz
+sfek.kz
+sgnetway.net
+shopfox.ca
+silvestrejaguar.sbs
+silvestreonca.sbs
+simplediagnostics.org
+siriuscloud.jp
+sisglobalresearch.com
+sixpacklink.net
+sjestyle.com
 smallvillages.com
+smartape-vps.com
 solusoftware.com
+sourcedns.com
+southcoastwebhosting12.com
+specialtvvs.com
 spiritualtechnologies.io
 sprout.org
+srv.cat
 stableserver.net
+statlerfa.co.uk
+stock-smtp.top
+stockepictigers.com
 stockexchangejournal.com
+subterranean-concave.com
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+swissbluetopaz.com
+switer.shop
+sysop4.com
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+szhongbing.com
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+tacaindo.net
+tacom.tj
+tankertelz.co
+tataidc.com
+teamveiw.com
+tecnoxia.net
+tel-xyz.fit
 tenkids.net
+terminavalley.com
 thaicloudsolutions.com
+thaikinghost.com
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+thegermainetruth.net
+thehandmaderose.com
+thepushcase.com
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+tigo.bo
+toledofibra.net.br
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+tqh.ro
+traderlearningcenter.com
+tradeukraine.site
+traveleza.com
+trwww.com
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+turbinetrends.com
+twincitiesdistinctivehomes.com
+tylerfordonline.com
+uiyum.com
+ultragate.com
+uneedacollie.com
+unified.services
 unite.services
 urawasl.com
 us.servername.us
+vagebond.net
+varvia.de
+vbcploo.com
+vdc.vn
 vendimetry.com
 vibrantwellnesscorp.com
+virtualine.org
+visit.docotor
+viviotech.us
+vlflgl.com
+volganet.ru
+vrns.net
+vulterdi.edu
+vvondertex.com
 wallstreetsgossip.com
+wamego.net
+wanekoohost.com
+wealthexpertisepro.com
+web-login.eu
 weblinkinternational.com
+webnox.io
+websale.net
+welllivinghive.com
+westparkcom.com
+wetransfer-eu.com
+wheelch.me
+whoflew.com
+whpservers.com
+wisdomhard.com
+wisewealthcircle.com
+wisvis.com
+wodeniowa.com
+wordpresshosting.xyz
+wsiph2.com
+xnt.mx
+xodiax.com
+xpnuf.cn
 xsfati.us.com
 xspmail.jp
+yourciviccompass.com
+yourinvestworkbook.com
+yoursitesecure.net
 zerowebhosting.net
+zmml.uk
 znlc.jp
+ztomy.com

parsedmarc/resources/maps/psl_overrides.txt

@@ -0,0 +1,23 @@
+-applefibernet.com
+-c3.net.pl
+-celsiainternet.com
+-clientes-izzi.mx
+-clientes-zap-izzi.mx
+-imnet.com.br
+-mcnbd.com
+-smile.com.bd
+-tataidc.co.in
+-veloxfiber.com.br
+-wconect.com.br
+.amazonaws.com
+.cloudaccess.net
+.ddnsgeek.com
+.fastvps-server.com
+.in-addr-arpa
+.in-addr.arpa
+.kasserver.com
+.kinghost.net
+.linode.com
+.linodeusercontent.com
+.na4u.ru
+.sakura.ne.jp

parsedmarc/resources/maps/sortlists.py

@@ -0,0 +1,184 @@
+#!/usr/bin/env python3
+
+from __future__ import annotations
+
+import os
+import csv
+from pathlib import Path
+from typing import Mapping, Iterable, Optional, Collection, Union, List, Dict
+
+
+class CSVValidationError(Exception):
+    def __init__(self, errors: list[str]):
+        super().__init__("\n".join(errors))
+        self.errors = errors
+
+
+def sort_csv(
+    filepath: Union[str, Path],
+    field: str,
+    *,
+    sort_field_value_must_be_unique: bool = True,
+    strip_whitespace: bool = True,
+    fields_to_lowercase: Optional[Iterable[str]] = None,
+    case_insensitive_sort: bool = False,
+    required_fields: Optional[Iterable[str]] = None,
+    allowed_values: Optional[Mapping[str, Collection[str]]] = None,
+) -> List[Dict[str, str]]:
+    """
+    Read a CSV, optionally normalize rows (strip whitespace, lowercase certain fields),
+    validate field values, and write the sorted CSV back to the same path.
+
+    - filepath: Path to the CSV to sort.
+    - field: The field name to sort by.
+    - fields_to_lowercase: Permanently lowercases these field(s) in the data.
+    - strip_whitespace: Remove all whitespace at the beginning and of field values.
+    - case_insensitive_sort: Ignore case when sorting without changing values.
+    - required_fields: A list of fields that must have data in all rows.
+    - allowed_values: A mapping of allowed values for fields.
+    """
+    path = Path(filepath)
+    required_fields = set(required_fields or [])
+    lower_set = set(fields_to_lowercase or [])
+    allowed_sets = {k: set(v) for k, v in (allowed_values or {}).items()}
+    if sort_field_value_must_be_unique:
+        seen_sort_field_values = []
+
+    with path.open("r", newline="") as infile:
+        reader = csv.DictReader(infile)
+        fieldnames = reader.fieldnames or []
+        if field not in fieldnames:
+            raise CSVValidationError([f"Missing sort column: {field!r}"])
+        missing_headers = required_fields - set(fieldnames)
+        if missing_headers:
+            raise CSVValidationError(
+                [f"Missing required header(s): {sorted(missing_headers)}"]
+            )
+        rows = list(reader)
+
+    def normalize_row(row: Dict[str, str]) -> None:
+        if strip_whitespace:
+            for k, v in row.items():
+                if isinstance(v, str):
+                    row[k] = v.strip()
+        for fld in lower_set:
+            if fld in row and isinstance(row[fld], str):
+                row[fld] = row[fld].lower()
+
+    def validate_row(
+        row: Dict[str, str], sort_field: str, line_no: int, errors: list[str]
+    ) -> None:
+        if sort_field_value_must_be_unique:
+            if row[sort_field] in seen_sort_field_values:
+                errors.append(f"Line {line_no}: Duplicate row for '{row[sort_field]}'")
+            else:
+                seen_sort_field_values.append(row[sort_field])
+        for rf in required_fields:
+            val = row.get(rf)
+            if val is None or val == "":
+                errors.append(
+                    f"Line {line_no}: Missing value for required field '{rf}'"
+                )
+        for field, allowed_values in allowed_sets.items():
+            if field in row:
+                val = row[field]
+                if val not in allowed_values:
+                    errors.append(
+                        f"Line {line_no}: '{val}' is not an allowed value for '{field}' "
+                        f"(allowed: {sorted(allowed_values)})"
+                    )
+
+    errors: list[str] = []
+    for idx, row in enumerate(rows, start=2):  # header is line 1
+        normalize_row(row)
+        validate_row(row, field, idx, errors)
+
+    if errors:
+        raise CSVValidationError(errors)
+
+    def sort_key(r: Dict[str, str]):
+        v = r.get(field, "")
+        if isinstance(v, str) and case_insensitive_sort:
+            return v.casefold()
+        return v
+
+    rows.sort(key=sort_key)
+
+    with open(filepath, "w", newline="") as outfile:
+        writer = csv.DictWriter(outfile, fieldnames=fieldnames)
+        writer.writeheader()
+        writer.writerows(rows)
+
+
+def sort_list_file(
+    filepath: Union[str, Path],
+    *,
+    lowercase: bool = True,
+    strip: bool = True,
+    deduplicate: bool = True,
+    remove_blank_lines: bool = True,
+    ending_newline: bool = True,
+    newline: Optional[str] = "\n",
+):
+    """Read a list from a file, sort it, optionally strip and deduplicate the values,
+    then write that list back to the file.
+
+    - Filepath: The path to the file.
+    - lowercase: Lowercase all values prior to sorting.
+    - remove_blank_lines: Remove any plank lines.
+    - ending_newline: End the file with a newline, even if remove_blank_lines is true.
+    - newline: The newline character to use.
+    """
+    with open(filepath, mode="r", newline=newline) as infile:
+        lines = infile.readlines()
+        for i in range(len(lines)):
+            if lowercase:
+                lines[i] = lines[i].lower()
+            if strip:
+                lines[i] = lines[i].strip()
+        if deduplicate:
+            lines = list(set(lines))
+        if remove_blank_lines:
+            while "" in lines:
+                lines.remove("")
+        lines = sorted(lines)
+        if ending_newline:
+            if lines[-1] != "":
+                lines.append("")
+    with open(filepath, mode="w", newline=newline) as outfile:
+        outfile.write("\n".join(lines))
+
+
+def _main():
+    map_file = "base_reverse_dns_map.csv"
+    map_key = "base_reverse_dns"
+    list_files = ["known_unknown_base_reverse_dns.txt", "psl_overrides.txt"]
+    types_file = "base_reverse_dns_types.txt"
+
+    with open(types_file) as f:
+        types = f.readlines()
+        while "" in types:
+            types.remove("")
+
+    map_allowed_values = {"Type": types}
+
+    for list_file in list_files:
+        if not os.path.exists(list_file):
+            print(f"Error: {list_file} does not exist")
+            exit(1)
+        sort_list_file(list_file)
+    if not os.path.exists(types_file):
+        print(f"Error: {types_file} does not exist")
+        exit(1)
+    sort_list_file(types_file, lowercase=False)
+    if not os.path.exists(map_file):
+        print(f"Error: {map_file} does not exist")
+        exit(1)
+    try:
+        sort_csv(map_file, map_key, allowed_values=map_allowed_values)
+    except CSVValidationError as e:
+        print(f"{map_file} did not validate: {e}")
+
+
+if __name__ == "__main__":
+    _main()

parsedmarc/s3.py

@@ -1,6 +1,10 @@
 # -*- coding: utf-8 -*-
 
+from __future__ import annotations
+
 import json
+from typing import Any
+
 import boto3
 
 from parsedmarc.log import logger
@@ -8,16 +12,16 @@ from parsedmarc.utils import human_timestamp_to_datetime
 
 
 class S3Client(object):
-    """A client for a Amazon S3"""
+    """A client for interacting with Amazon S3"""
 
     def __init__(
         self,
-        bucket_name,
-        bucket_path,
-        region_name,
-        endpoint_url,
-        access_key_id,
-        secret_access_key,
+        bucket_name: str,
+        bucket_path: str,
+        region_name: str,
+        endpoint_url: str,
+        access_key_id: str,
+        secret_access_key: str,
     ):
         """
         Initializes the S3Client
@@ -47,18 +51,18 @@ class S3Client(object):
             aws_access_key_id=access_key_id,
             aws_secret_access_key=secret_access_key,
         )
-        self.bucket = self.s3.Bucket(self.bucket_name)
+        self.bucket = self.s3.Bucket(self.bucket_name)  # type: ignore
 
-    def save_aggregate_report_to_s3(self, report):
+    def save_aggregate_report_to_s3(self, report: dict[str, Any]):
         self.save_report_to_s3(report, "aggregate")
 
-    def save_forensic_report_to_s3(self, report):
+    def save_forensic_report_to_s3(self, report: dict[str, Any]):
         self.save_report_to_s3(report, "forensic")
 
-    def save_smtp_tls_report_to_s3(self, report):
+    def save_smtp_tls_report_to_s3(self, report: dict[str, Any]):
         self.save_report_to_s3(report, "smtp_tls")
 
-    def save_report_to_s3(self, report, report_type):
+    def save_report_to_s3(self, report: dict[str, Any], report_type: str):
         if report_type == "smtp_tls":
             report_date = report["begin_date"]
             report_id = report["report_id"]

parsedmarc/splunk.py

@@ -1,9 +1,14 @@
-from urllib.parse import urlparse
-import socket
-import json
+# -*- coding: utf-8 -*-
+
+from __future__ import annotations
+
+import json
+import socket
+from typing import Any, Union
+from urllib.parse import urlparse
 
-import urllib3
 import requests
+import urllib3
 
 from parsedmarc.constants import USER_AGENT
 from parsedmarc.log import logger
@@ -23,7 +28,13 @@ class HECClient(object):
     # http://docs.splunk.com/Documentation/Splunk/latest/RESTREF/RESTinput#services.2Fcollector
 
     def __init__(
-        self, url, access_token, index, source="parsedmarc", verify=True, timeout=60
+        self,
+        url: str,
+        access_token: str,
+        index: str,
+        source: str = "parsedmarc",
+        verify=True,
+        timeout=60,
     ):
         """
         Initializes the HECClient
@@ -37,9 +48,9 @@ class HECClient(object):
             timeout (float): Number of seconds to wait for the server to send
                 data before giving up
         """
-        url = urlparse(url)
+        parsed_url = urlparse(url)
         self.url = "{0}://{1}/services/collector/event/1.0".format(
-            url.scheme, url.netloc
+            parsed_url.scheme, parsed_url.netloc
         )
         self.access_token = access_token.lstrip("Splunk ")
         self.index = index
@@ -48,14 +59,19 @@ class HECClient(object):
         self.session = requests.Session()
         self.timeout = timeout
         self.session.verify = verify
-        self._common_data = dict(host=self.host, source=self.source, index=self.index)
+        self._common_data: dict[str, Union[str, int, float, dict]] = dict(
+            host=self.host, source=self.source, index=self.index
+        )
 
         self.session.headers = {
             "User-Agent": USER_AGENT,
             "Authorization": "Splunk {0}".format(self.access_token),
         }
 
-    def save_aggregate_reports_to_splunk(self, aggregate_reports):
+    def save_aggregate_reports_to_splunk(
+        self,
+        aggregate_reports: Union[list[dict[str, Any]], dict[str, Any]],
+    ):
         """
         Saves aggregate DMARC reports to Splunk
 
@@ -75,9 +91,12 @@ class HECClient(object):
         json_str = ""
         for report in aggregate_reports:
             for record in report["records"]:
-                new_report = dict()
+                new_report: dict[str, Union[str, int, float, dict]] = dict()
                 for metadata in report["report_metadata"]:
                     new_report[metadata] = report["report_metadata"][metadata]
+                new_report["interval_begin"] = record["interval_begin"]
+                new_report["interval_end"] = record["interval_end"]
+                new_report["normalized_timespan"] = record["normalized_timespan"]
                 new_report["published_policy"] = report["policy_published"]
                 new_report["source_ip_address"] = record["source"]["ip_address"]
                 new_report["source_country"] = record["source"]["country"]
@@ -98,7 +117,9 @@ class HECClient(object):
                     new_report["spf_results"] = record["auth_results"]["spf"]
 
                 data["sourcetype"] = "dmarc:aggregate"
-                timestamp = human_timestamp_to_unix_timestamp(new_report["begin_date"])
+                timestamp = human_timestamp_to_unix_timestamp(
+                    new_report["interval_begin"]
+                )
                 data["time"] = timestamp
                 data["event"] = new_report.copy()
                 json_str += "{0}\n".format(json.dumps(data))
@@ -113,7 +134,10 @@ class HECClient(object):
         if response["code"] != 0:
             raise SplunkError(response["text"])
 
-    def save_forensic_reports_to_splunk(self, forensic_reports):
+    def save_forensic_reports_to_splunk(
+        self,
+        forensic_reports: Union[list[dict[str, Any]], dict[str, Any]],
+    ):
         """
         Saves forensic DMARC reports to Splunk
 
@@ -147,7 +171,9 @@ class HECClient(object):
         if response["code"] != 0:
             raise SplunkError(response["text"])
 
-    def save_smtp_tls_reports_to_splunk(self, reports):
+    def save_smtp_tls_reports_to_splunk(
+        self, reports: Union[list[dict[str, Any]], dict[str, Any]]
+    ):
         """
         Saves aggregate DMARC reports to Splunk
 

parsedmarc/syslog.py

@@ -1,8 +1,12 @@
 # -*- coding: utf-8 -*-
 
+
+from __future__ import annotations
+
+import json
 import logging
 import logging.handlers
-import json
+from typing import Any
 
 from parsedmarc import (
     parsed_aggregate_reports_to_csv_rows,
@@ -14,7 +18,7 @@ from parsedmarc import (
 class SyslogClient(object):
     """A client for Syslog"""
 
-    def __init__(self, server_name, server_port):
+    def __init__(self, server_name: str, server_port: int):
         """
         Initializes the SyslogClient
         Args:
@@ -28,17 +32,17 @@ class SyslogClient(object):
         log_handler = logging.handlers.SysLogHandler(address=(server_name, server_port))
         self.logger.addHandler(log_handler)
 
-    def save_aggregate_report_to_syslog(self, aggregate_reports):
+    def save_aggregate_report_to_syslog(self, aggregate_reports: list[dict[str, Any]]):
         rows = parsed_aggregate_reports_to_csv_rows(aggregate_reports)
         for row in rows:
             self.logger.info(json.dumps(row))
 
-    def save_forensic_report_to_syslog(self, forensic_reports):
+    def save_forensic_report_to_syslog(self, forensic_reports: list[dict[str, Any]]):
         rows = parsed_forensic_reports_to_csv_rows(forensic_reports)
         for row in rows:
             self.logger.info(json.dumps(row))
 
-    def save_smtp_tls_report_to_syslog(self, smtp_tls_reports):
+    def save_smtp_tls_report_to_syslog(self, smtp_tls_reports: list[dict[str, Any]]):
         rows = parsed_smtp_tls_reports_to_csv_rows(smtp_tls_reports)
         for row in rows:
             self.logger.info(json.dumps(row))

parsedmarc/types.py

@@ -0,0 +1,220 @@
+from __future__ import annotations
+
+from typing import Any, Dict, List, Literal, Optional, TypedDict, Union
+
+# NOTE: This module is intentionally Python 3.9 compatible.
+# - No PEP 604 unions (A | B)
+# - No typing.NotRequired / Required (3.11+) to avoid an extra dependency.
+#   For optional keys, use total=False TypedDicts.
+
+
+ReportType = Literal["aggregate", "forensic", "smtp_tls"]
+
+
+class AggregateReportMetadata(TypedDict):
+    org_name: str
+    org_email: str
+    org_extra_contact_info: Optional[str]
+    report_id: str
+    begin_date: str
+    end_date: str
+    timespan_requires_normalization: bool
+    original_timespan_seconds: int
+    errors: List[str]
+
+
+class AggregatePolicyPublished(TypedDict):
+    domain: str
+    adkim: str
+    aspf: str
+    p: str
+    sp: str
+    pct: str
+    fo: str
+
+
+class IPSourceInfo(TypedDict):
+    ip_address: str
+    country: Optional[str]
+    reverse_dns: Optional[str]
+    base_domain: Optional[str]
+    name: Optional[str]
+    type: Optional[str]
+
+
+class AggregateAlignment(TypedDict):
+    spf: bool
+    dkim: bool
+    dmarc: bool
+
+
+class AggregateIdentifiers(TypedDict):
+    header_from: str
+    envelope_from: Optional[str]
+    envelope_to: Optional[str]
+
+
+class AggregatePolicyOverrideReason(TypedDict):
+    type: Optional[str]
+    comment: Optional[str]
+
+
+class AggregateAuthResultDKIM(TypedDict):
+    domain: str
+    result: str
+    selector: str
+
+
+class AggregateAuthResultSPF(TypedDict):
+    domain: str
+    result: str
+    scope: str
+
+
+class AggregateAuthResults(TypedDict):
+    dkim: List[AggregateAuthResultDKIM]
+    spf: List[AggregateAuthResultSPF]
+
+
+class AggregatePolicyEvaluated(TypedDict):
+    disposition: str
+    dkim: str
+    spf: str
+    policy_override_reasons: List[AggregatePolicyOverrideReason]
+
+
+class AggregateRecord(TypedDict):
+    interval_begin: str
+    interval_end: str
+    source: IPSourceInfo
+    count: int
+    alignment: AggregateAlignment
+    policy_evaluated: AggregatePolicyEvaluated
+    disposition: str
+    identifiers: AggregateIdentifiers
+    auth_results: AggregateAuthResults
+
+
+class AggregateReport(TypedDict):
+    xml_schema: str
+    report_metadata: AggregateReportMetadata
+    policy_published: AggregatePolicyPublished
+    records: List[AggregateRecord]
+
+
+class EmailAddress(TypedDict):
+    display_name: Optional[str]
+    address: str
+    local: Optional[str]
+    domain: Optional[str]
+
+
+class EmailAttachment(TypedDict, total=False):
+    filename: Optional[str]
+    mail_content_type: Optional[str]
+    sha256: Optional[str]
+
+
+ParsedEmail = TypedDict(
+    "ParsedEmail",
+    {
+        # This is a lightly-specified version of mailsuite/mailparser JSON.
+        # It focuses on the fields parsedmarc uses in forensic handling.
+        "headers": Dict[str, Any],
+        "subject": Optional[str],
+        "filename_safe_subject": Optional[str],
+        "date": Optional[str],
+        "from": EmailAddress,
+        "to": List[EmailAddress],
+        "cc": List[EmailAddress],
+        "bcc": List[EmailAddress],
+        "attachments": List[EmailAttachment],
+        "body": Optional[str],
+        "has_defects": bool,
+        "defects": Any,
+        "defects_categories": Any,
+    },
+    total=False,
+)
+
+
+class ForensicReport(TypedDict):
+    feedback_type: Optional[str]
+    user_agent: Optional[str]
+    version: Optional[str]
+    original_envelope_id: Optional[str]
+    original_mail_from: Optional[str]
+    original_rcpt_to: Optional[str]
+    arrival_date: str
+    arrival_date_utc: str
+    authentication_results: Optional[str]
+    delivery_result: Optional[str]
+    auth_failure: List[str]
+    authentication_mechanisms: List[str]
+    dkim_domain: Optional[str]
+    reported_domain: str
+    sample_headers_only: bool
+    source: IPSourceInfo
+    sample: str
+    parsed_sample: ParsedEmail
+
+
+class SMTPTLSFailureDetails(TypedDict):
+    result_type: str
+    failed_session_count: int
+
+
+class SMTPTLSFailureDetailsOptional(SMTPTLSFailureDetails, total=False):
+    sending_mta_ip: str
+    receiving_ip: str
+    receiving_mx_hostname: str
+    receiving_mx_helo: str
+    additional_info_uri: str
+    failure_reason_code: str
+    ip_address: str
+
+
+class SMTPTLSPolicySummary(TypedDict):
+    policy_domain: str
+    policy_type: str
+    successful_session_count: int
+    failed_session_count: int
+
+
+class SMTPTLSPolicy(SMTPTLSPolicySummary, total=False):
+    policy_strings: List[str]
+    mx_host_patterns: List[str]
+    failure_details: List[SMTPTLSFailureDetailsOptional]
+
+
+class SMTPTLSReport(TypedDict):
+    organization_name: str
+    begin_date: str
+    end_date: str
+    contact_info: Union[str, List[str]]
+    report_id: str
+    policies: List[SMTPTLSPolicy]
+
+
+class AggregateParsedReport(TypedDict):
+    report_type: Literal["aggregate"]
+    report: AggregateReport
+
+
+class ForensicParsedReport(TypedDict):
+    report_type: Literal["forensic"]
+    report: ForensicReport
+
+
+class SMTPTLSParsedReport(TypedDict):
+    report_type: Literal["smtp_tls"]
+    report: SMTPTLSReport
+
+
+ParsedReport = Union[AggregateParsedReport, ForensicParsedReport, SMTPTLSParsedReport]
+
+
+class ParsingResults(TypedDict):
+    aggregate_reports: List[AggregateReport]
+    forensic_reports: List[ForensicReport]
+    smtp_tls_reports: List[SMTPTLSReport]

parsedmarc/utils.py

@@ -1,22 +1,26 @@
+# -*- coding: utf-8 -*-
+
 """Utility functions that might be useful for other projects"""
 
-import logging
-import os
-from datetime import datetime
-from datetime import timezone
-from datetime import timedelta
-from collections import OrderedDict
-import tempfile
-import subprocess
-import shutil
-import mailparser
-import json
-import hashlib
+from __future__ import annotations
+
 import base64
-import mailbox
-import re
 import csv
+import hashlib
 import io
+import json
+import logging
+import mailbox
+import os
+import re
+import shutil
+import subprocess
+import tempfile
+from datetime import datetime, timedelta, timezone
+from typing import Optional, TypedDict, Union, cast
+
+import mailparser
+from expiringdict import ExpiringDict
 
 try:
     from importlib.resources import files
@@ -25,25 +29,31 @@ except ImportError:
     from importlib.resources import files
 
 
-from dateutil.parser import parse as parse_date
-import dns.reversename
-import dns.resolver
 import dns.exception
+import dns.resolver
+import dns.reversename
 import geoip2.database
 import geoip2.errors
 import publicsuffixlist
 import requests
+from dateutil.parser import parse as parse_date
 
-from parsedmarc.log import logger
 import parsedmarc.resources.dbip
 import parsedmarc.resources.maps
 from parsedmarc.constants import USER_AGENT
+from parsedmarc.log import logger
 
 parenthesis_regex = re.compile(r"\s*\(.*\)\s*")
 
 null_file = open(os.devnull, "w")
 mailparser_logger = logging.getLogger("mailparser")
 mailparser_logger.setLevel(logging.CRITICAL)
+psl = publicsuffixlist.PublicSuffixList()
+psl_overrides_path = str(files(parsedmarc.resources.maps).joinpath("psl_overrides.txt"))
+with open(psl_overrides_path) as f:
+    psl_overrides = [line.rstrip() for line in f.readlines()]
+    while "" in psl_overrides:
+        psl_overrides.remove("")
 
 
 class EmailParserError(RuntimeError):
@@ -54,31 +64,49 @@ class DownloadError(RuntimeError):
     """Raised when an error occurs when downloading a file"""
 
 
-def decode_base64(data):
+class ReverseDNSService(TypedDict):
+    name: str
+    type: Optional[str]
+
+
+ReverseDNSMap = dict[str, ReverseDNSService]
+
+
+class IPAddressInfo(TypedDict):
+    ip_address: str
+    reverse_dns: Optional[str]
+    country: Optional[str]
+    base_domain: Optional[str]
+    name: Optional[str]
+    type: Optional[str]
+
+
+def decode_base64(data: str) -> bytes:
     """
     Decodes a base64 string, with padding being optional
 
     Args:
-        data: A base64 encoded string
+        data (str): A base64 encoded string
 
     Returns:
         bytes: The decoded bytes
 
     """
-    data = bytes(data, encoding="ascii")
-    missing_padding = len(data) % 4
+    data_bytes = bytes(data, encoding="ascii")
+    missing_padding = len(data_bytes) % 4
     if missing_padding != 0:
-        data += b"=" * (4 - missing_padding)
-    return base64.b64decode(data)
+        data_bytes += b"=" * (4 - missing_padding)
+    return base64.b64decode(data_bytes)
 
 
-def get_base_domain(domain):
+def get_base_domain(domain: str) -> Optional[str]:
     """
     Gets the base domain name for the given domain
 
     .. note::
         Results are based on a list of public domain suffixes at
-        https://publicsuffix.org/list/public_suffix_list.dat.
+        https://publicsuffix.org/list/public_suffix_list.dat and overrides included in
+        parsedmarc.resources.maps.psl_overrides.txt
 
     Args:
         domain (str): A domain or subdomain
@@ -87,11 +115,22 @@ def get_base_domain(domain):
         str: The base domain of the given domain
 
     """
-    psl = publicsuffixlist.PublicSuffixList()
-    return psl.privatesuffix(domain)
+    domain = domain.lower()
+    publicsuffix = psl.privatesuffix(domain)
+    for override in psl_overrides:
+        if domain.endswith(override):
+            return override.strip(".").strip("-")
+    return publicsuffix
 
 
-def query_dns(domain, record_type, cache=None, nameservers=None, timeout=2.0):
+def query_dns(
+    domain: str,
+    record_type: str,
+    *,
+    cache: Optional[ExpiringDict] = None,
+    nameservers: Optional[list[str]] = None,
+    timeout: float = 2.0,
+) -> list[str]:
     """
     Queries DNS
 
@@ -110,9 +149,9 @@ def query_dns(domain, record_type, cache=None, nameservers=None, timeout=2.0):
     record_type = record_type.upper()
     cache_key = "{0}_{1}".format(domain, record_type)
     if cache:
-        records = cache.get(cache_key, None)
-        if records:
-            return records
+        cached_records = cache.get(cache_key, None)
+        if isinstance(cached_records, list):
+            return cast(list[str], cached_records)
 
     resolver = dns.resolver.Resolver()
     timeout = float(timeout)
@@ -126,33 +165,25 @@ def query_dns(domain, record_type, cache=None, nameservers=None, timeout=2.0):
     resolver.nameservers = nameservers
     resolver.timeout = timeout
     resolver.lifetime = timeout
-    if record_type == "TXT":
-        resource_records = list(
-            map(
-                lambda r: r.strings,
-                resolver.resolve(domain, record_type, lifetime=timeout),
-            )
-        )
-        _resource_record = [
-            resource_record[0][:0].join(resource_record)
-            for resource_record in resource_records
-            if resource_record
-        ]
-        records = [r.decode() for r in _resource_record]
-    else:
-        records = list(
-            map(
-                lambda r: r.to_text().replace('"', "").rstrip("."),
-                resolver.resolve(domain, record_type, lifetime=timeout),
-            )
+    records = list(
+        map(
+            lambda r: r.to_text().replace('"', "").rstrip("."),
+            resolver.resolve(domain, record_type, lifetime=timeout),
         )
+    )
     if cache:
         cache[cache_key] = records
 
     return records
 
 
-def get_reverse_dns(ip_address, cache=None, nameservers=None, timeout=2.0):
+def get_reverse_dns(
+    ip_address,
+    *,
+    cache: Optional[ExpiringDict] = None,
+    nameservers: Optional[list[str]] = None,
+    timeout: float = 2.0,
+) -> Optional[str]:
     """
     Resolves an IP address to a hostname using a reverse DNS query
 
@@ -170,7 +201,7 @@ def get_reverse_dns(ip_address, cache=None, nameservers=None, timeout=2.0):
     try:
         address = dns.reversename.from_address(ip_address)
         hostname = query_dns(
-            address, "PTR", cache=cache, nameservers=nameservers, timeout=timeout
+            str(address), "PTR", cache=cache, nameservers=nameservers, timeout=timeout
         )[0]
 
     except dns.exception.DNSException as e:
@@ -180,7 +211,7 @@ def get_reverse_dns(ip_address, cache=None, nameservers=None, timeout=2.0):
     return hostname
 
 
-def timestamp_to_datetime(timestamp):
+def timestamp_to_datetime(timestamp: int) -> datetime:
     """
     Converts a UNIX/DMARC timestamp to a Python ``datetime`` object
 
@@ -193,7 +224,7 @@ def timestamp_to_datetime(timestamp):
     return datetime.fromtimestamp(int(timestamp))
 
 
-def timestamp_to_human(timestamp):
+def timestamp_to_human(timestamp: int) -> str:
     """
     Converts a UNIX/DMARC timestamp to a human-readable string
 
@@ -206,7 +237,9 @@ def timestamp_to_human(timestamp):
     return timestamp_to_datetime(timestamp).strftime("%Y-%m-%d %H:%M:%S")
 
 
-def human_timestamp_to_datetime(human_timestamp, to_utc=False):
+def human_timestamp_to_datetime(
+    human_timestamp: str, *, to_utc: bool = False
+) -> datetime:
     """
     Converts a human-readable timestamp into a Python ``datetime`` object
 
@@ -225,7 +258,7 @@ def human_timestamp_to_datetime(human_timestamp, to_utc=False):
     return dt.astimezone(timezone.utc) if to_utc else dt
 
 
-def human_timestamp_to_unix_timestamp(human_timestamp):
+def human_timestamp_to_unix_timestamp(human_timestamp: str) -> int:
     """
     Converts a human-readable timestamp into a UNIX timestamp
 
@@ -236,10 +269,12 @@ def human_timestamp_to_unix_timestamp(human_timestamp):
         float: The converted timestamp
     """
     human_timestamp = human_timestamp.replace("T", " ")
-    return human_timestamp_to_datetime(human_timestamp).timestamp()
+    return int(human_timestamp_to_datetime(human_timestamp).timestamp())
 
 
-def get_ip_address_country(ip_address, db_path=None):
+def get_ip_address_country(
+    ip_address: str, *, db_path: Optional[str] = None
+) -> Optional[str]:
     """
     Returns the ISO code for the country associated
     with the given IPv4 or IPv6 address
@@ -266,7 +301,7 @@ def get_ip_address_country(ip_address, db_path=None):
     ]
 
     if db_path is not None:
-        if os.path.isfile(db_path) is False:
+        if not os.path.isfile(db_path):
             db_path = None
             logger.warning(
                 f"No file exists at {db_path}. Falling back to an "
@@ -303,12 +338,13 @@ def get_ip_address_country(ip_address, db_path=None):
 
 def get_service_from_reverse_dns_base_domain(
     base_domain,
-    always_use_local_file=False,
-    local_file_path=None,
-    url=None,
-    offline=False,
-    reverse_dns_map=None,
-):
+    *,
+    always_use_local_file: bool = False,
+    local_file_path: Optional[str] = None,
+    url: Optional[str] = None,
+    offline: bool = False,
+    reverse_dns_map: Optional[ReverseDNSMap] = None,
+) -> ReverseDNSService:
     """
     Returns the service name of a given base domain name from reverse DNS.
 
@@ -325,12 +361,6 @@ def get_service_from_reverse_dns_base_domain(
         the supplied reverse_dns_base_domain and the type will be None
     """
 
-    def load_csv(_csv_file):
-        reader = csv.DictReader(_csv_file)
-        for row in reader:
-            key = row["base_reverse_dns"].lower().strip()
-            reverse_dns_map[key] = dict(name=row["name"], type=row["type"])
-
     base_domain = base_domain.lower().strip()
     if url is None:
         url = (
@@ -338,11 +368,24 @@ def get_service_from_reverse_dns_base_domain(
             "/parsedmarc/master/parsedmarc/"
             "resources/maps/base_reverse_dns_map.csv"
         )
+    reverse_dns_map_value: ReverseDNSMap
     if reverse_dns_map is None:
-        reverse_dns_map = dict()
+        reverse_dns_map_value = {}
+    else:
+        reverse_dns_map_value = reverse_dns_map
+
+    def load_csv(_csv_file):
+        reader = csv.DictReader(_csv_file)
+        for row in reader:
+            key = row["base_reverse_dns"].lower().strip()
+            reverse_dns_map_value[key] = {
+                "name": row["name"],
+                "type": row["type"],
+            }
+
     csv_file = io.StringIO()
 
-    if not (offline or always_use_local_file) and len(reverse_dns_map) == 0:
+    if not (offline or always_use_local_file) and len(reverse_dns_map_value) == 0:
         try:
             logger.debug(f"Trying to fetch reverse DNS map from {url}...")
             headers = {"User-Agent": USER_AGENT}
@@ -359,7 +402,7 @@ def get_service_from_reverse_dns_base_domain(
             logging.debug("Response body:")
             logger.debug(csv_file.read())
 
-    if len(reverse_dns_map) == 0:
+    if len(reverse_dns_map_value) == 0:
         logger.info("Loading included reverse DNS map...")
         path = str(
             files(parsedmarc.resources.maps).joinpath("base_reverse_dns_map.csv")
@@ -368,26 +411,28 @@ def get_service_from_reverse_dns_base_domain(
             path = local_file_path
         with open(path) as csv_file:
             load_csv(csv_file)
+    service: ReverseDNSService
     try:
-        service = reverse_dns_map[base_domain]
+        service = reverse_dns_map_value[base_domain]
     except KeyError:
-        service = dict(name=base_domain, type=None)
+        service = {"name": base_domain, "type": None}
 
     return service
 
 
 def get_ip_address_info(
     ip_address,
-    ip_db_path=None,
-    reverse_dns_map_path=None,
-    always_use_local_files=False,
-    reverse_dns_map_url=None,
-    cache=None,
-    reverse_dns_map=None,
-    offline=False,
-    nameservers=None,
-    timeout=2.0,
-):
+    *,
+    ip_db_path: Optional[str] = None,
+    reverse_dns_map_path: Optional[str] = None,
+    always_use_local_files: bool = False,
+    reverse_dns_map_url: Optional[str] = None,
+    cache: Optional[ExpiringDict] = None,
+    reverse_dns_map: Optional[ReverseDNSMap] = None,
+    offline: bool = False,
+    nameservers: Optional[list[str]] = None,
+    timeout: float = 2.0,
+) -> IPAddressInfo:
     """
     Returns reverse DNS and country information for the given IP address
 
@@ -405,17 +450,27 @@ def get_ip_address_info(
         timeout (float): Sets the DNS timeout in seconds
 
     Returns:
-        OrderedDict: ``ip_address``, ``reverse_dns``
+        dict: ``ip_address``, ``reverse_dns``, ``country``
 
     """
     ip_address = ip_address.lower()
     if cache is not None:
-        info = cache.get(ip_address, None)
-        if info:
+        cached_info = cache.get(ip_address, None)
+        if (
+            cached_info
+            and isinstance(cached_info, dict)
+            and "ip_address" in cached_info
+        ):
             logger.debug(f"IP address {ip_address} was found in cache")
-            return info
-    info = OrderedDict()
-    info["ip_address"] = ip_address
+            return cast(IPAddressInfo, cached_info)
+    info: IPAddressInfo = {
+        "ip_address": ip_address,
+        "reverse_dns": None,
+        "country": None,
+        "base_domain": None,
+        "name": None,
+        "type": None,
+    }
     if offline:
         reverse_dns = None
     else:
@@ -425,9 +480,6 @@ def get_ip_address_info(
     country = get_ip_address_country(ip_address, db_path=ip_db_path)
     info["country"] = country
     info["reverse_dns"] = reverse_dns
-    info["base_domain"] = None
-    info["name"] = None
-    info["type"] = None
     if reverse_dns is not None:
         base_domain = get_base_domain(reverse_dns)
         if base_domain is not None:
@@ -452,7 +504,7 @@ def get_ip_address_info(
     return info
 
 
-def parse_email_address(original_address):
+def parse_email_address(original_address: str) -> dict[str, Optional[str]]:
     if original_address[0] == "":
         display_name = None
     else:
@@ -465,17 +517,15 @@ def parse_email_address(original_address):
         local = address_parts[0].lower()
         domain = address_parts[-1].lower()
 
-    return OrderedDict(
-        [
-            ("display_name", display_name),
-            ("address", address),
-            ("local", local),
-            ("domain", domain),
-        ]
-    )
+    return {
+        "display_name": display_name,
+        "address": address,
+        "local": local,
+        "domain": domain,
+    }
 
 
-def get_filename_safe_string(string):
+def get_filename_safe_string(string: str) -> str:
     """
     Converts a string to a string that is safe for a filename
 
@@ -497,7 +547,7 @@ def get_filename_safe_string(string):
     return string
 
 
-def is_mbox(path):
+def is_mbox(path: str) -> bool:
     """
     Checks if the given content is an MBOX mailbox file
 
@@ -518,7 +568,7 @@ def is_mbox(path):
     return _is_mbox
 
 
-def is_outlook_msg(content):
+def is_outlook_msg(content) -> bool:
     """
     Checks if the given content is an Outlook msg OLE/MSG file
 
@@ -533,7 +583,7 @@ def is_outlook_msg(content):
     )
 
 
-def convert_outlook_msg(msg_bytes):
+def convert_outlook_msg(msg_bytes: bytes) -> bytes:
     """
     Uses the ``msgconvert`` Perl utility to convert an Outlook MS file to
     standard RFC 822 format
@@ -542,7 +592,7 @@ def convert_outlook_msg(msg_bytes):
         msg_bytes (bytes): the content of the .msg file
 
     Returns:
-        A RFC 822 string
+        A RFC 822 bytes payload
     """
     if not is_outlook_msg(msg_bytes):
         raise ValueError("The supplied bytes are not an Outlook MSG file")
@@ -569,7 +619,9 @@ def convert_outlook_msg(msg_bytes):
     return rfc822
 
 
-def parse_email(data, strip_attachment_payloads=False):
+def parse_email(
+    data: Union[bytes, str], *, strip_attachment_payloads: bool = False
+) -> dict:
     """
     A simplified email parser
 

parsedmarc/webhook.py

@@ -1,3 +1,9 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import annotations
+
+from typing import Any, Optional, Union
+
 import requests
 
 from parsedmarc import logger
@@ -7,7 +13,13 @@ from parsedmarc.constants import USER_AGENT
 class WebhookClient(object):
     """A client for webhooks"""
 
-    def __init__(self, aggregate_url, forensic_url, smtp_tls_url, timeout=60):
+    def __init__(
+        self,
+        aggregate_url: str,
+        forensic_url: str,
+        smtp_tls_url: str,
+        timeout: Optional[int] = 60,
+    ):
         """
         Initializes the WebhookClient
         Args:
@@ -26,25 +38,27 @@ class WebhookClient(object):
             "Content-Type": "application/json",
         }
 
-    def save_forensic_report_to_webhook(self, report):
+    def save_forensic_report_to_webhook(self, report: str):
         try:
             self._send_to_webhook(self.forensic_url, report)
         except Exception as error_:
             logger.error("Webhook Error: {0}".format(error_.__str__()))
 
-    def save_smtp_tls_report_to_webhook(self, report):
+    def save_smtp_tls_report_to_webhook(self, report: str):
         try:
             self._send_to_webhook(self.smtp_tls_url, report)
         except Exception as error_:
             logger.error("Webhook Error: {0}".format(error_.__str__()))
 
-    def save_aggregate_report_to_webhook(self, report):
+    def save_aggregate_report_to_webhook(self, report: str):
         try:
             self._send_to_webhook(self.aggregate_url, report)
         except Exception as error_:
             logger.error("Webhook Error: {0}".format(error_.__str__()))
 
-    def _send_to_webhook(self, webhook_url, payload):
+    def _send_to_webhook(
+        self, webhook_url: str, payload: Union[bytes, str, dict[str, Any]]
+    ):
         try:
             self.session.post(webhook_url, data=payload, timeout=self.timeout)
         except Exception as error_:

pyproject.toml

@@ -2,6 +2,7 @@
 requires = [
     "hatchling>=1.27.0",
 ]
+requires_python = ">=3.9,<3.14"
 build-backend = "hatchling.build"
 
 [project]
@@ -28,6 +29,7 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3"
 ]
+requires-python = ">=3.9"
 dependencies = [
     "azure-identity>=1.8.0",
     "azure-monitor-ingestion>=1.0.0",
@@ -46,7 +48,7 @@ dependencies = [
     "imapclient>=2.1.0",
     "kafka-python-ng>=2.2.2",
     "lxml>=4.4.0",
-    "mailsuite>=1.9.18",
+    "mailsuite>=1.11.2",
     "msgraph-core==0.2.2",
     "opensearch-py>=2.4.2,<=3.0.0",
     "publicsuffixlist>=0.10.0",
@@ -55,6 +57,7 @@ dependencies = [
     "tqdm>=4.31.1",
     "urllib3>=1.25.7",
     "xmltodict>=0.12.0",
+    "PyYAML>=6.0.3"
 ]
 
 [project.optional-dependencies]
@@ -82,3 +85,14 @@ path = "parsedmarc/constants.py"
 include = [
     "/parsedmarc",
 ]
+
+[tool.hatch.build]
+exclude = [
+    "base_reverse_dns.csv",
+    "find_bad_utf8.py",
+    "find_unknown_base_reverse_dns.py",
+    "unknown_base_reverse_dns.csv",
+    "sortmaps.py",
+    "README.md",
+    "*.bak"
+]

sortmaps.py

@@ -1,25 +0,0 @@
-#!/usr/bin/env python3
-
-import os
-import glob
-import csv
-
-
-maps_dir = os.path.join("parsedmarc", "resources", "maps")
-csv_files = glob.glob(os.path.join(maps_dir, "*.csv"))
-
-
-def sort_csv(filepath, column=0):
-    with open(filepath, mode="r", newline="") as infile:
-        reader = csv.reader(infile)
-        header = next(reader)
-        sorted_rows = sorted(reader, key=lambda row: row[column])
-
-    with open(filepath, mode="w", newline="\n") as outfile:
-        writer = csv.writer(outfile)
-        writer.writerow(header)
-        writer.writerows(sorted_rows)
-
-
-for csv_file in csv_files:
-    sort_csv(csv_file)

splunk/smtp_tls_dashboard.xml

@@ -0,0 +1,107 @@
+<form version="1.1" theme="dark">
+  <label>SMTP TLS Reporting</label>
+  <fieldset submitButton="false" autoRun="true">
+    <input type="time" token="time">
+      <label></label>
+      <default>
+        <earliest>-7d@h</earliest>
+        <latest>now</latest>
+      </default>
+    </input>
+    <input type="text" token="organization_name" searchWhenChanged="true">
+      <label>Organization name</label>
+      <default>*</default>
+      <initialValue>*</initialValue>
+    </input>
+    <input type="text" token="policy_domain">
+      <label>Policy domain</label>
+      <default>*</default>
+      <initialValue>*</initialValue>
+    </input>
+    <input type="dropdown" token="policy_type" searchWhenChanged="true">
+      <label>Policy type</label>
+      <choice value="*">Any</choice>
+      <choice value="tlsa">tlsa</choice>
+      <choice value="sts">sts</choice>
+      <choice value="no-policy-found">no-policy-found</choice>
+      <default>*</default>
+      <initialValue>*</initialValue>
+    </input>
+  </fieldset>
+  <row>
+    <panel>
+      <title>Reporting organizations</title>
+      <table>
+        <search>
+          <query>index=email sourcetype=smtp:tls organization_name=$organization_name$ policies{}.policy_domain=$policy_domain$
+| rename policies{}.policy_domain as policy_domain
+| rename policies{}.policy_type as policy_type
+| rename policies{}.failed_session_count as failed_sessions
+| rename policies{}.failure_details{}.failed_session_count as failed_sessions
+| rename policies{}.successful_session_count as successful_sessions
+| rename policies{}.failure_details{}.sending_mta_ip as sending_mta_ip
+| rename policies{}.failure_details{}.receiving_ip as receiving_ip
+| rename policies{}.failure_details{}.receiving_mx_hostname as receiving_mx_hostname
+| rename policies{}.failure_details{}.result_type as failure_type
+| fillnull value=0 failed_sessions
+| stats sum(failed_sessions) as failed_sessions sum(successful_sessions) as successful_sessions by organization_name
+| sort -successful_sessions 0</query>
+          <earliest>$time.earliest$</earliest>
+          <latest>$time.latest$</latest>
+        </search>
+        <option name="drilldown">none</option>
+        <option name="refresh.display">progressbar</option>
+      </table>
+    </panel>
+    <panel>
+      <title>Domains</title>
+      <table>
+        <search>
+          <query>index=email sourcetype=smtp:tls organization_name=$organization_name$ policies{}.policy_domain=$policy_domain$
+| rename policies{}.policy_domain as policy_domain
+| rename policies{}.policy_type as policy_type
+| rename policies{}.failed_session_count as failed_sessions
+| rename policies{}.failure_details{}.failed_session_count as failed_sessions
+| rename policies{}.successful_session_count as successful_sessions
+| rename policies{}.failure_details{}.sending_mta_ip as sending_mta_ip
+| rename policies{}.failure_details{}.receiving_ip as receiving_ip
+| rename policies{}.failure_details{}.receiving_mx_hostname as receiving_mx_hostname
+| rename policies{}.failure_details{}.result_type as failure_type
+| fillnull value=0 failed_sessions
+| stats sum(failed_sessions) as failed_sessions sum(successful_sessions) as successful_sessions  by policy_domain
+| sort -successful_sessions 0</query>
+          <earliest>$time.earliest$</earliest>
+          <latest>$time.latest$</latest>
+        </search>
+        <option name="drilldown">none</option>
+        <option name="refresh.display">progressbar</option>
+      </table>
+    </panel>
+  </row>
+  <row>
+    <panel>
+      <title>Failure details</title>
+      <table>
+        <search>
+          <query>index=email sourcetype=smtp:tls organization_name=$organization_name$ policies{}.policy_domain=$policy_domain$ policies{}.failure_details{}.result_type=*
+| rename policies{}.policy_domain as policy_domain
+| rename policies{}.policy_type as policy_type
+| rename policies{}.failed_session_count as failed_sessions
+| rename policies{}.failure_details{}.failed_session_count as failed_sessions
+| rename policies{}.successful_session_count as successful_sessions
+| rename policies{}.failure_details{}.sending_mta_ip as sending_mta_ip
+| rename policies{}.failure_details{}.receiving_ip as receiving_ip
+| rename policies{}.failure_details{}.receiving_mx_hostname as receiving_mx_hostname
+| fillnull value=0 failed_sessions
+| rename policies{}.failure_details{}.result_type as failure_type
+| table _time organization_name policy_domain policy_type failed_sessions successful_sessions sending_mta_ip receiving_ip receiving_mx_hostname failure_type
+| sort by -_time 0</query>
+          <earliest>$time.earliest$</earliest>
+          <latest>$time.latest$</latest>
+        </search>
+        <option name="drilldown">none</option>
+        <option name="refresh.display">progressbar</option>
+      </table>
+    </panel>
+  </row>
+</form>

tests.py

@@ -1,3 +1,6 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
 from __future__ import absolute_import, print_function, unicode_literals
 
 import os
@@ -43,11 +46,12 @@ class Test(unittest.TestCase):
 
     def testExtractReportXMLComparator(self):
         """Test XML comparator function"""
-        print()
-        xmlnice = open("samples/extract_report/nice-input.xml").read()
-        print(xmlnice)
-        xmlchanged = minify_xml(open("samples/extract_report/changed-input.xml").read())
-        print(xmlchanged)
+        xmlnice_file = open("samples/extract_report/nice-input.xml")
+        xmlnice = xmlnice_file.read()
+        xmlnice_file.close()
+        xmlchanged_file = open("samples/extract_report/changed-input.xml")
+        xmlchanged = minify_xml(xmlchanged_file.read())
+        xmlchanged_file.close()
         self.assertTrue(compare_xml(xmlnice, xmlnice))
         self.assertTrue(compare_xml(xmlchanged, xmlchanged))
         self.assertFalse(compare_xml(xmlnice, xmlchanged))
@@ -62,7 +66,9 @@ class Test(unittest.TestCase):
             data = f.read()
         print("Testing {0}: ".format(file), end="")
         xmlout = parsedmarc.extract_report(data)
-        xmlin = open("samples/extract_report/nice-input.xml").read()
+        xmlin_file = open("samples/extract_report/nice-input.xml")
+        xmlin = xmlin_file.read()
+        xmlin_file.close()
         self.assertTrue(compare_xml(xmlout, xmlin))
         print("Passed!")
 
@@ -71,8 +77,10 @@ class Test(unittest.TestCase):
         print()
         file = "samples/extract_report/nice-input.xml"
         print("Testing {0}: ".format(file), end="")
-        xmlout = parsedmarc.extract_report(file)
-        xmlin = open("samples/extract_report/nice-input.xml").read()
+        xmlout = parsedmarc.extract_report_from_file_path(file)
+        xmlin_file = open("samples/extract_report/nice-input.xml")
+        xmlin = xmlin_file.read()
+        xmlin_file.close()
         self.assertTrue(compare_xml(xmlout, xmlin))
         print("Passed!")
 
@@ -82,7 +90,9 @@ class Test(unittest.TestCase):
         file = "samples/extract_report/nice-input.xml.gz"
         print("Testing {0}: ".format(file), end="")
         xmlout = parsedmarc.extract_report_from_file_path(file)
-        xmlin = open("samples/extract_report/nice-input.xml").read()
+        xmlin_file = open("samples/extract_report/nice-input.xml")
+        xmlin = xmlin_file.read()
+        xmlin_file.close()
         self.assertTrue(compare_xml(xmlout, xmlin))
         print("Passed!")
 
@@ -92,12 +102,13 @@ class Test(unittest.TestCase):
         file = "samples/extract_report/nice-input.xml.zip"
         print("Testing {0}: ".format(file), end="")
         xmlout = parsedmarc.extract_report_from_file_path(file)
-        print(xmlout)
-        xmlin = minify_xml(open("samples/extract_report/nice-input.xml").read())
-        print(xmlin)
+        xmlin_file = open("samples/extract_report/nice-input.xml")
+        xmlin = minify_xml(xmlin_file.read())
+        xmlin_file.close()
         self.assertTrue(compare_xml(xmlout, xmlin))
-        xmlin = minify_xml(open("samples/extract_report/changed-input.xml").read())
-        print(xmlin)
+        xmlin_file = open("samples/extract_report/changed-input.xml")
+        xmlin = xmlin_file.read()
+        xmlin_file.close()
         self.assertFalse(compare_xml(xmlout, xmlin))
         print("Passed!")