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fix(eas): use base64 encoding for attachments when sanitize emails + content-length

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Fixes #5408
This commit is contained in:
tfux
2021-10-27 14:34:14 +02:00
committed by GitHub
parent d751ad99d6
commit bfcb0b9234
1 changed files with 9 additions and 0 deletions
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9
ActiveSync/SOGoMailObject+ActiveSync.m
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@@ -60,6 +60,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#import <NGMime/NGMimeFileData.h>
#import <NGMime/NGMimeMultipartBody.h>
#import <NGMime/NGMimeType.h>
#import <NGMime/NGMimeHeaderFields.h>
#import <NGMail/NGMimeMessageParser.h>
#import <NGMail/NGMimeMessage.h>
#import <NGMail/NGMimeMessageGenerator.h>
@@ -478,6 +479,14 @@ struct GlobalObjectId {
RELEASE(fdata);
*b = YES;
}
else if ([[(NGMimeContentDispositionHeaderField *)[thePart headerForKey: @"content-disposition"] type] hasPrefix: @"attachment"] ||
[[(NGMimeContentDispositionHeaderField *)[thePart headerForKey: @"content-disposition"] type] hasPrefix: @"inline"])
{
[thePart setHeader: @"base64" forKey: @"content-transfer-encoding"];
[thePart setBody: [body dataByEncodingBase64]];
[thePart setHeader: [NSString stringWithFormat:@"%d", (int)[[thePart body] length]]
forKey: @"content-length"];
}
}
}