Tickets :: Comment on [#14330] IMP sends IMAP commands without the namespace

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Comment	> I have had difficulty setting the IMAP path prefix in horde webmail > 5.2 on a CentOS 6 server running Courier-IMAP 4.1.2. When creating > folders I was getting the error, "The mailbox 'New folder' was not > created. This is what the server said: IMAP error reported by server." > > The imp_imap debug log shows that it is trying to create folders > without the `INBOX.` prefix, which I think is the reason it is failing: > > S: * OK [CAPABILITY IMAP4rev1] Courier-IMAP ready. Copyright 1998-2005 > Double Precision, Inc. See COPYING for distribution information. > C: 1 LOGIN quinn@example.com [PASSWORD] > S: 1 OK LOGIN Ok. > C: 2 LSUB "" New folder > S: 2 OK LSUB completed > C: 3 LIST "" New folder > S: 3 OK LIST completed > C: 4 CREATE New folder > S: 4 NO Invalid mailbox name. > C: 5 LOGOUT > S: * BYE Courier-IMAP server shutting down > S: 5 OK LOGOUT completed > > I am able to create a folder if I manually include the IMAP prefix > to its name, i.e. I go to Folder Actions > Create Mailbox and then use > a folder name literally as `INBOX.New folder`. The new folder is created > with that name literally and `INBOX.New folder` is created on the server and > is displayed in IMP's sidebar. =\ > > As far as I can tell, this is configured using the 'namespace' option > in backends.local.php, but I have tried the following variations with > no success: > > 'namespace' => array('INBOX.') > 'namespace' => array('#INBOX.') > 'namespace' => array('INBOX/') > 'namespace' => array('#INBOX/') > > I believe the correct method of setting the IMAP path prefix is to > define the following in backends.local.php: > > 'namespace' => array('INBOX.'), > > However, that alone has not solved the problem. I may have found > issues with horde/imp or our server configuration. Now, even with the > namespace specified thusly, IMP is still sending IMAP commands > without the namespace (i.e., `CREATE New folder` instead of `CREATE > INBOX.New folder`). > > I have read the source code of horde/imp and found the following > changes were required for this to work: > > ## /var/www/html/horde/imp/lib/Imap.php : 474 > > The `getNamespace()` function defined here would return null when the > specified mailbox was the default, despite `$this->getNamespaces()` > returning a valid result. To solve this I added the following at line > 474: > > if ($mailbox === self::NS_DEFAULT && $ns->count() == 1) { > return end(end($ns)); > } > > ## /usr/share/pear/Horde/Imap/Client/Base.php : 742 > > Here, the name of the namespace is an array and would result in an > array-to-string conversion, with the resulting namespace name `Array` > instead of the correct name `INBOX`. I've added a tertiary clause to > test if it is an array before assigning the value. Secondly, the > namespace name lacking the delimiter would result in the use of > folder names such as `INBOXNew folder` instead of `INBOX.New folder` > (because in other parts of the code where the namespace is used the > namespace is concatenated with the folder name with no delimiter), so > I added the delimiter to the name here. The following is a > modification of line 742: > > $ob->name = (is_array($val) ? end($val) : $val) . $val['delimiter']; > > With these two changes, horde/imp is now successfully creating > folders, displaying folders, auto-creating special folders, and > moving messages between folders. The IMAP transactions now send the > prefix correctly: > > S: * OK [CAPABILITY IMAP4rev1] Courier-IMAP ready. Copyright > 1998-2005 Double Precision, Inc. See COPYING for distribution > information. > C: 1 LOGIN q@asdf.com [PASSWORD] > S: 1 OK LOGIN Ok. > C: 2 LIST "" INBOX. > S: * LIST (\Marked \HasChildren) "." "INBOX" > S: 2 OK LIST completed > C: 3 LSUB "" "INBOX.New folder" > S: 3 OK LSUB completed > C: 4 LIST "" "INBOX.New folder" > S: 4 OK LIST completed > C: 5 CREATE "INBOX.New folder" > S: 5 OK "INBOX.New folder" created. > C: 6 LSUB "" "INBOX.New folder" > S: 6 OK LSUB completed > C: 7 LIST "" "INBOX.New folder" > S: * LIST (\HasNoChildren) "." "INBOX.New folder" > S: 7 OK LIST completed > C: 8 LOGOUT > S: * BYE Courier-IMAP server shutting down > S: 8 OK LOGOUT completed > > If I have discovered bugs in horde/imp 5.2, please let me know how > best I can contribute these changes (pull request on github?) or if > you believe this is a problem with my Courier IMAP configuration, I > would appreciate some help identifying if that may be the case. > > Copied below is IMP's imap log output during a successful folder > creation operation (also so you can see imap capabilities, etc). > > ------------------------------ >>> Mon, 08 Feb 2016 22:08:14 -0600 >>> Connection to: imap://localhost:993/ >>> Server connection took 0.0094 seconds. > S: * OK [CAPABILITY IMAP4rev1] Courier-IMAP ready. Copyright > 1998-2005 Double Precision, Inc. See COPYING for distribution > information. > C: 1 LOGIN q@asdf.com [PASSWORD] > S: 1 OK LOGIN Ok. >>> Command 1 took 0.0381 seconds. >>> CACHE: Using the Horde_Imap_Client_Cache_Backend_Cache storage driver. > C: 2 LIST "" INBOX. > S: * LIST (\Marked \HasChildren) "." "INBOX" > S: 2 OK LIST completed >>> Command 2 took 0.077 seconds. > C: 3 LSUB "" "INBOX.New folder" > S: 3 OK LSUB completed >>> Command 3 took 0.0014 seconds. > C: 4 LIST "" "INBOX.New folder" > S: 4 OK LIST completed >>> Command 4 took 0.0006 seconds. > C: 5 CREATE "INBOX.New folder" > S: 5 OK "INBOX.New folder" created. >>> Command 5 took 0.0087 seconds. > C: 6 LSUB "" "INBOX.New folder" > S: 6 OK LSUB completed >>> Command 6 took 0.0003 seconds. > C: 7 LIST "" "INBOX.New folder" > S: * LIST (\HasNoChildren) "." "INBOX.New folder" > S: 7 OK LIST completed >>> Command 7 took 0.0008 seconds. > C: 8 LOGOUT > S: * BYE Courier-IMAP server shutting down > S: 8 OK LOGOUT completed >>> Command 8 took 0.0012 seconds. >
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