Moved DN cache to SOGoCache

SoObjects/SOGo/SOGoCache.m

@@ -1,9 +1,6 @@
 /* SOGoCache.m - this file is part of SOGo
  *
- * Copyright (C) 2008-2013 Inverse inc.
- *
- * Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
- *         Ludovic Marcotte <lmarcotte@inverse.ca>
+ * Copyright (C) 2008-2014 Inverse inc.
  *
  * This file is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -34,6 +31,9 @@
  * <uid>+defaults           value = NSDictionary instance > user's defaults
  * <uid>+settings           value = NSDictionary instance > user's settings
  * <uid>+attributes         value = NSMutableDictionary instance > user's LDAP attributes
+ * <uid>+failedlogins       value =
+ * <uid>+messagesubmissions value =
+ * <uid>+dn                 value = NSString instance > cached user's DN
  * <object path>+acl        value = NSDictionary instance > ACLs on an object at specified path
  * <groupname>+<domain>     value = NSString instance (array components separated by ",") or group member logins for a specific group in domain
  * cas-id:< >               value = 
@@ -435,7 +435,9 @@ static memcached_st *handle = NULL;
 }
 
 //
-//
+// Try to hit the local cache. If it misses, it'll
+// then try memcached. If it hits memcached, it'll
+// populate the local cache.
 //
 - (NSString *) _valuesOfType: (NSString *) theType
                       forKey: (NSString *) theKey
@@ -604,6 +606,21 @@ static memcached_st *handle = NULL;
   return d;
 }
 
+//
+// DN caching
+//
+- (NSString *) distinguishedNameForLogin: (NSString *) theLogin
+{
+  return [self _valuesOfType: @"dn" forKey: theLogin];
+}
+
+- (void) setDistinguishedName: (NSString *) theDN
+                     forLogin: (NSString *) theLogin
+{
+  [self _cacheValues: theDN 
+              ofType: @"dn"
+              forKey: theLogin];
+}
 
 //
 // CAS session support