MozillaThunderbird/list-replyto-clobber.patch

Index: mailnews/mailnews.js
===================================================================
RCS file: /cvsroot/mozilla/mailnews/mailnews.js,v
retrieving revision 3.249
diff -u -r3.249 mailnews.js
--- mailnews/mailnews.js	9 Aug 2005 00:36:31 -0000	3.249
+++ mailnews/mailnews.js	15 Aug 2005 01:12:06 -0000
@@ -196,6 +196,7 @@
 pref("mailnews.reply_header_locale",        "");
 pref("mailnews.reply_header_authorwrote",   "chrome://messenger/locale/messengercompose/composeMsgs.properties");
 pref("mailnews.reply_header_ondate",        "chrome://messenger/locale/messengercompose/composeMsgs.properties");
+pref("mailnews.clobber_list_reply",         false);
 
 // separator to separate between date and author
 pref("mailnews.reply_header_separator",     ", ");
--- mailnews/compose/src/nsMsgCompose.cpp.old	2006-08-14 09:32:18.000000000 +0200
+++ mailnews/compose/src/nsMsgCompose.cpp	2006-08-14 09:44:25.000000000 +0200
@@ -2106,6 +2106,7 @@ NS_IMETHODIMP QuotingOutputStreamListene
         nsAutoString messageId;
         nsAutoString references;
         nsAutoString listPost;
+        PRBool clobberListReply = PR_FALSE;
         nsXPIDLCString outCString;
         PRBool needToRemoveDup = PR_FALSE;
         if (!mMimeConverter)
@@ -2115,6 +2116,77 @@ NS_IMETHODIMP QuotingOutputStreamListene
         }
         nsXPIDLCString charset;
         compFields->GetCharacterSet(getter_Copies(charset));
+
+        nsCOMPtr<nsIPrefBranch> prefBranch (do_GetService(NS_PREFSERVICE_CONTRACTID));
+        if (prefBranch)
+          prefBranch->GetBoolPref("mailnews.clobber_list_reply", &clobberListReply);
+
+        mHeaders->ExtractHeader(HEADER_REPLY_TO, PR_FALSE, getter_Copies(outCString));
+        if (outCString)
+          mMimeConverter->DecodeMimeHeader(outCString, replyTo, charset);
+        
+        mHeaders->ExtractHeader(HEADER_MAIL_REPLY_TO, PR_TRUE, getter_Copies(outCString));
+        if (outCString)
+          mMimeConverter->DecodeMimeHeader(outCString, mailReplyTo, charset);
+
+        if (clobberListReply) {          
+          /* the 'Al fix'.  Try to fake up Mail-Reply-To: and Mail-Followup-To: headers if
+           * we don't have any, and if it looks like it came via a mailing list.
+           *
+           * Currently only supports List-Post header.
+           */
+           
+          mHeaders->ExtractHeader(HEADER_MAIL_FOLLOWUP_TO, PR_TRUE, getter_Copies(outCString));
+          if (outCString)
+            mMimeConverter->DecodeMimeHeader(outCString, mailFollowupTo, charset);
+           
+          if (mailFollowupTo.IsEmpty()) {
+            nsAutoString mailingList;
+            
+            mHeaders->ExtractHeader(HEADER_LIST_POST, PR_TRUE, getter_Copies(outCString));
+            if (outCString)
+            {
+              mMimeConverter->DecodeMimeHeader(outCString, mailingList, charset);
+              /* s/<mailto:(.*)>/$1/; */
+              if (StringBeginsWith(mailingList, NS_LITERAL_STRING("<mailto:")) &&
+                  StringEndsWith(mailingList, NS_LITERAL_STRING(">"))) {
+      
+                mailingList = Substring(mailingList, 8, mailingList.Length() - 9);
+              }
+            }
+          
+            mailFollowupTo = mailingList;
+          }
+          
+          if (mailReplyTo.IsEmpty()) {
+            nsAutoString from;
+            nsAutoString xReplyTo;
+  
+            mHeaders->ExtractHeader(HEADER_FROM, PR_FALSE, getter_Copies(outCString));
+            if (outCString)
+            {
+              mMimeConverter->DecodeMimeHeader(outCString, from, charset);
+            }
+  
+            mHeaders->ExtractHeader(HEADER_X_REPLY_TO, PR_FALSE, getter_Copies(outCString));
+            if (outCString)
+            {
+              mMimeConverter->DecodeMimeHeader(outCString, xReplyTo, charset);
+            }        
+  
+            if (replyTo == mailFollowupTo) {
+              if (!xReplyTo.IsEmpty()) {
+                mailReplyTo = xReplyTo;
+              }
+              else {
+                mailReplyTo = from;
+              }
+            }
+            else {
+              mailReplyTo = replyTo;
+            }
+          }
+        }        
         
         if (type == nsIMsgCompType::ReplyAll)
         {
@@ -2129,11 +2201,13 @@ NS_IMETHODIMP QuotingOutputStreamListene
           {
             mMimeConverter->DecodeMimeHeader(outCString, cc, charset);
           }
-              
-          mHeaders->ExtractHeader(HEADER_MAIL_FOLLOWUP_TO, PR_TRUE, getter_Copies(outCString));
-          if (outCString)
-          {
-            mMimeConverter->DecodeMimeHeader(outCString, mailFollowupTo, charset);
+             
+          if (!clobberListReply) { // else we've already looked this up earlier 
+            mHeaders->ExtractHeader(HEADER_MAIL_FOLLOWUP_TO, PR_TRUE, getter_Copies(outCString));
+            if (outCString)
+            {
+              mMimeConverter->DecodeMimeHeader(outCString, mailFollowupTo, charset);
+            }
           }
           
           if (! mailFollowupTo.IsEmpty())
@@ -2174,18 +2248,6 @@ NS_IMETHODIMP QuotingOutputStreamListene
           }
         }
               
-        mHeaders->ExtractHeader(HEADER_REPLY_TO, PR_FALSE, getter_Copies(outCString));
-        if (outCString)
-        {
-          mMimeConverter->DecodeMimeHeader(outCString, replyTo, charset);
-        }
-        
-        mHeaders->ExtractHeader(HEADER_MAIL_REPLY_TO, PR_TRUE, getter_Copies(outCString));
-        if (outCString)
-        {
-          mMimeConverter->DecodeMimeHeader(outCString, mailReplyTo, charset);
-        }
-        
         mHeaders->ExtractHeader(HEADER_NEWSGROUPS, PR_FALSE, getter_Copies(outCString));
         if (outCString)
         {