From e53954d44f0c9dc2ca67b36df9ba9080f0b3d4a1 Mon Sep 17 00:00:00 2001
From: root <root@example.com>
Date: Sun, 8 Jun 2014 00:42:15 +0200
Subject: [PATCH 3/3] GetAttachment

---
 ActiveSync/NSString+ActiveSync.h      |    1 +
 ActiveSync/NSString+ActiveSync.m      |   17 ++++++++++++
 ActiveSync/SOGoActiveSyncDispatcher.m |   49 +++++++++++++++++++++++++++++++--
 3 files changed, 65 insertions(+), 2 deletions(-)

diff --git a/ActiveSync/NSString+ActiveSync.h b/ActiveSync/NSString+ActiveSync.h
index f3f95b0..172d71e 100644
--- a/ActiveSync/NSString+ActiveSync.h
+++ b/ActiveSync/NSString+ActiveSync.h
@@ -47,6 +47,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 - (NSCalendarDate *) calendarDate;
 - (NSString *) deviceId;
 - (NSString *) deviceType;
+- (NSString *) attachmentName;
 - (NSString *) command;
 - (NSData *) convertHexStringToBytes;
 
diff --git a/ActiveSync/NSString+ActiveSync.m b/ActiveSync/NSString+ActiveSync.m
index b1fba0f..3d1a2b8 100644
--- a/ActiveSync/NSString+ActiveSync.m
+++ b/ActiveSync/NSString+ActiveSync.m
@@ -186,6 +186,23 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   return s;
 }
 
+// This method extracts the "AttachmentName" from a URI:
+//
+// /SOGo/Microsoft-Server-ActiveSync?Cmd=GetAttachment&User=sogo&DeviceId=HTCa04b4932597acd3f2dc1a918b9728&DeviceType=htcvision&AttachmentName=mail/TestFldr/8/2
+//
+- (NSString *) attachmentName
+{
+  NSString *s;
+
+  s = [self _valueForParameter: @"ATTACHMENTNAME="];
+
+  if (!s)
+    s = @"Unknown";
+
+  return s;
+}
+
+
 //
 //
 //
diff --git a/ActiveSync/SOGoActiveSyncDispatcher.m b/ActiveSync/SOGoActiveSyncDispatcher.m
index 9c52d79..395459e 100644
--- a/ActiveSync/SOGoActiveSyncDispatcher.m
+++ b/ActiveSync/SOGoActiveSyncDispatcher.m
@@ -781,7 +781,51 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 - (void) processGetAttachment: (id <DOMElement>) theDocumentElement
                    inResponse: (WOResponse *) theResponse
 {
+  NSString *fileReference, *realCollectionId;
 
+  SOGoMicrosoftActiveSyncFolderType folderType;
+
+  fileReference = [context objectForKey: @"AttachmentName"];
+
+  realCollectionId = [fileReference realCollectionIdWithFolderType: &folderType];
+
+  if (folderType == ActiveSyncMailFolder)
+    {
+      id currentFolder, currentCollection, currentBodyPart;
+      NSString *folderName, *messageName, *pathToPart;
+      SOGoMailAccounts *accountsFolder;
+      SOGoUserFolder *userFolder;
+      SOGoMailObject *mailObject;
+
+      NSRange r1, r2;
+
+      r1 = [realCollectionId rangeOfString: @"/"];
+      r2 = [realCollectionId rangeOfString: @"/"  options: 0  range: NSMakeRange(NSMaxRange(r1)+1, [realCollectionId length]-NSMaxRange(r1)-1)];
+
+      folderName = [realCollectionId substringToIndex: r1.location];
+      messageName = [realCollectionId substringWithRange: NSMakeRange(NSMaxRange(r1), r2.location-r1.location-1)];
+      pathToPart = [realCollectionId substringFromIndex: r2.location+1];
+
+      userFolder = [[context activeUser] homeFolderInContext: context];
+      accountsFolder = [userFolder lookupName: @"Mail"  inContext: context  acquire: NO];
+      currentFolder = [accountsFolder lookupName: @"0"  inContext: context  acquire: NO];
+
+      currentCollection = [currentFolder lookupName: [NSString stringWithFormat: @"folder%@", folderName]
+                                          inContext: context
+                                            acquire: NO];
+
+      mailObject = [currentCollection lookupName: messageName  inContext: context  acquire: NO];
+      currentBodyPart = [mailObject lookupImap4BodyPartKey: pathToPart  inContext: context];
+
+      [theResponse setHeader: [NSString stringWithFormat: @"%@/%@", [[currentBodyPart partInfo] objectForKey: @"type"], [[currentBodyPart partInfo] objectForKey: @"subtype"]]
+                 forKey: @"Content-Type"];
+
+      [theResponse setContent: [currentBodyPart fetchBLOB] ];
+    }
+  else
+    {
+      [theResponse setStatus: 500];
+    }
 }
 
 //
@@ -892,7 +936,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   fileReference = [[[(id)[theDocumentElement getElementsByTagName: @"FileReference"] lastObject] textValue] stringByUnescapingURL];
 
   realCollectionId = [fileReference realCollectionIdWithFolderType: &folderType];
-  realCollectionId = [self globallyUniqueIDToIMAPFolderName: realCollectionId  type: folderType];
   
   if (folderType == ActiveSyncMailFolder)
     {
@@ -1827,6 +1870,8 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   deviceId = [[theRequest uri] deviceId];
   [context setObject: deviceId  forKey: @"DeviceId"];
   [context setObject: [[theRequest uri] deviceType]  forKey: @"DeviceType"];
+  [context setObject: [[theRequest uri] attachmentName]  forKey: @"AttachmentName"];
+
 
   cmdName = [[theRequest uri] command];
 
@@ -1870,7 +1915,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     {
       // We check if it's a Ping command with no body.
       // See http://msdn.microsoft.com/en-us/library/ee200913(v=exchg.80).aspx for details      
-      if ([cmdName caseInsensitiveCompare: @"Ping"] != NSOrderedSame)
+      if ([cmdName caseInsensitiveCompare: @"Ping"] != NSOrderedSame && [cmdName caseInsensitiveCompare: @"GetAttachment"] != NSOrderedSame)
         return [NSException exceptionWithHTTPStatus: 500];
     }
 
-- 
1.7.9.5