ZP-920 Changed KOE sendflags regexp to match all kinds of folder and

item ids, transform potential short folderid into a backendid before
passing it to IBackend->SendMail.

Released under the Affero GNU General Public License (AGPL) version 3. 

src/backend/kopano/kopano.php

@@ -491,6 +491,7 @@ class BackendKopano implements IBackend, ISearchProvider {
 
         if(isset($sm->source->itemid) && $sm->source->itemid) {
             // answering an email in a public/shared folder
+            // TODO as the store is setup, we should actually user $this->store instead of $this->defaultstore - nevertheless we need to make sure this store is able to send mail (has an outbox)
             if (!$this->Setup(ZPush::GetAdditionalSyncFolderStore($sm->source->folderid)))
                 throw new StatusException(sprintf("KopanoBackend->SendMail() could not Setup() the backend for folder id '%s'", $sm->source->folderid), SYNC_COMMONSTATUS_SERVERERROR);
 

src/lib/request/sendmail.php

@@ -90,7 +90,7 @@ class SendMail extends RequestProcessor {
 
         // KOE ZO-6: grep for the KOE header and set flags accordingly.
         // The header has the values verb/message-source-key/folder-source-key
-        if (KOE_CAPABILITY_SENDFLAGS && preg_match("/X-Push-Flags: (\d{3})\/([\da-f]+)\/([\da-f]+)/i", $sm->mime, $ol_flags)) {
+        if (KOE_CAPABILITY_SENDFLAGS && preg_match("/X-Push-Flags: (\d{3})\/([a-z0-9:]+)\/([a-z0-9]+)/i", $sm->mime, $ol_flags)) {
             // "reply" and "reply-all" are handled as "reply"
             if ($ol_flags[1] == 102 || $ol_flags[1] == 103) {
                 $reply = true;
@@ -124,7 +124,10 @@ class SendMail extends RequestProcessor {
             if (isset($sm->source->folderid)) {
                 $sm->source->folderid = self::$deviceManager->GetBackendIdForFolderId($sm->source->folderid);
             }
-
+            if (isset($sm->source->itemid)) {
+                list(, $sk) = MAPIUtils::SplitMessageId($sm->source->itemid);
+                $sm->source->itemid = $sk;
+            }
             // replyflag and forward flags are actually only for the correct icon.
             // Even if they are a part of SyncSendMail object, they won't be streamed.
             if ($smartreply || $reply)