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- Bug fixes for general core bugs in 3.11.x will end 14 Nov 2022 (12 months plus 6 months extension).
- Bug fixes for security issues in 3.11.x will end 13 Nov 2023 (18 months plus 12 months extension).
- PHP version: minimum PHP 7.3.0 Note: minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is supported too.
/lib/horde/framework/Horde/Imap/Client/ -> Socket.php (source)
<?php
/**
* Copyright 2005-2017 Horde LLC (http://www.horde.org/)
*
* See the enclosed file LICENSE for license information (LGPL). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* Originally based on code from:
* - auth.php (1.49)
* - imap_general.php (1.212)
* - imap_messages.php (revision 13038)
* - strings.php (1.184.2.35)
* from the Squirrelmail project.
* Copyright (c) 1999-2007 The SquirrelMail Project Team
*
* @category Horde
* @copyright 1999-2007 The SquirrelMail Project Team
* @copyright 2005-2017 Horde LLC
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @package Imap_Client
*/
/**
* An interface to an IMAP4rev1 server (RFC 3501) using standard PHP code.
*
* Implements the following IMAP-related RFCs (see
* http://www.iana.org/assignments/imap4-capabilities):
* <pre>
* - RFC 2086/4314: ACL
* - RFC 2087: QUOTA
* - RFC 2088: LITERAL+
* - RFC 2195: AUTH=CRAM-MD5
* - RFC 2221: LOGIN-REFERRALS
* - RFC 2342: NAMESPACE
* - RFC 2595/4616: TLS & AUTH=PLAIN
* - RFC 2831: DIGEST-MD5 authentication mechanism (obsoleted by RFC 6331)
* - RFC 2971: ID
* - RFC 3348: CHILDREN
* - RFC 3501: IMAP4rev1 specification
* - RFC 3502: MULTIAPPEND
* - RFC 3516: BINARY
* - RFC 3691: UNSELECT
* - RFC 4315: UIDPLUS
* - RFC 4422: SASL Authentication (for DIGEST-MD5)
* - RFC 4466: Collected extensions (updates RFCs 2088, 3501, 3502, 3516)
* - RFC 4469/5550: CATENATE
* - RFC 4731: ESEARCH
* - RFC 4959: SASL-IR
* - RFC 5032: WITHIN
* - RFC 5161: ENABLE
* - RFC 5182: SEARCHRES
* - RFC 5255: LANGUAGE/I18NLEVEL
* - RFC 5256: THREAD/SORT
* - RFC 5258: LIST-EXTENDED
* - RFC 5267: ESORT; PARTIAL search return option
* - RFC 5464: METADATA
* - RFC 5530: IMAP Response Codes
* - RFC 5802: AUTH=SCRAM-SHA-1
* - RFC 5819: LIST-STATUS
* - RFC 5957: SORT=DISPLAY
* - RFC 6154: SPECIAL-USE/CREATE-SPECIAL-USE
* - RFC 6203: SEARCH=FUZZY
* - RFC 6851: MOVE
* - RFC 6855: UTF8=ACCEPT/UTF8=ONLY
* - RFC 6858: DOWNGRADED response code
* - RFC 7162: CONDSTORE/QRESYNC
* </pre>
*
* Implements the following non-RFC extensions:
* <pre>
* - draft-ietf-morg-inthread-01: THREAD=REFS
* - draft-daboo-imap-annotatemore-07: ANNOTATEMORE
* - draft-daboo-imap-annotatemore-08: ANNOTATEMORE2
* - XIMAPPROXY
* Requires imapproxy v1.2.7-rc1 or later
* See https://squirrelmail.svn.sourceforge.net/svnroot/squirrelmail/trunk/imap_proxy/README
* - AUTH=XOAUTH2
* https://developers.google.com/gmail/xoauth2_protocol
* </pre>
*
* TODO (or not necessary?):
* <pre>
* - RFC 2177: IDLE
* - RFC 2193: MAILBOX-REFERRALS
* - RFC 4467/5092/5524/5550/5593: URLAUTH, URLAUTH=BINARY, URL-PARTIAL
* - RFC 4978: COMPRESS=DEFLATE
* See: http://bugs.php.net/bug.php?id=48725
* - RFC 5257: ANNOTATE (Experimental)
* - RFC 5259: CONVERT
* - RFC 5267: CONTEXT=SEARCH; CONTEXT=SORT
* - RFC 5465: NOTIFY
* - RFC 5466: FILTERS
* - RFC 6785: IMAPSIEVE
* - RFC 7377: MULTISEARCH
* </pre>
*
* @author Michael Slusarz <slusarz@horde.org>
* @category Horde
* @copyright 1999-2007 The SquirrelMail Project Team
* @copyright 2005-2017 Horde LLC
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @package Imap_Client
*/
class Horde_Imap_Client_Socket extends Horde_Imap_Client_Base
{
/**
* Cache names used exclusively within this class.
*/
const CACHE_FLAGS = 'HICflags';
/**
* Queued commands to send to the server.
*
* @var array
*/
protected $_cmdQueue = array();
/**
* The default ports to use for a connection.
*
* @var array
*/
protected $_defaultPorts = array(143, 993);
/**
* Mapping of status fields to IMAP names.
*
* @var array
*/
protected $_statusFields = array(
'messages' => Horde_Imap_Client::STATUS_MESSAGES,
'recent' => Horde_Imap_Client::STATUS_RECENT,
'uidnext' => Horde_Imap_Client::STATUS_UIDNEXT,
'uidvalidity' => Horde_Imap_Client::STATUS_UIDVALIDITY,
'unseen' => Horde_Imap_Client::STATUS_UNSEEN,
'firstunseen' => Horde_Imap_Client::STATUS_FIRSTUNSEEN,
'flags' => Horde_Imap_Client::STATUS_FLAGS,
'permflags' => Horde_Imap_Client::STATUS_PERMFLAGS,
'uidnotsticky' => Horde_Imap_Client::STATUS_UIDNOTSTICKY,
'highestmodseq' => Horde_Imap_Client::STATUS_HIGHESTMODSEQ
);
/**
* The unique tag to use when making an IMAP query.
*
* @var integer
*/
protected $_tag = 0;
/**
* @param array $params A hash containing configuration parameters.
* Additional parameters to base driver:
* - debug_literal: (boolean) If true, will output the raw text of
* literal responses to the debug stream. Otherwise,
* outputs a summary of the literal response.
* - envelope_addrs: (integer) The maximum number of address entries to
* read for FETCH ENVELOPE address fields.
* DEFAULT: 1000
* - envelope_string: (integer) The maximum length of string fields
* returned by the FETCH ENVELOPE command.
* DEFAULT: 2048
* - xoauth2_token: (mixed) If set, will authenticate via the XOAUTH2
* mechanism (if available) with this token. Either a
* string (since 2.13.0) or a
* Horde_Imap_Client_Base_Password object (since
* 2.14.0).
*/
public function __construct(array $params = array())
{
parent::__construct(array_merge(array(
'debug_literal' => false,
'envelope_addrs' => 1000,
'envelope_string' => 2048
), $params));
}
/**
*/
public function __get($name)
{
switch ($name) {
case 'search_charset':
if (!isset($this->_init['search_charset']) &&
$this->_capability()->isEnabled('UTF8=ACCEPT')) {
$this->_init['search_charset'] = new Horde_Imap_Client_Data_SearchCharset_Utf8();
}
break;
}
return parent::__get($name);
}
/**
*/
public function getParam($key)
{
switch ($key) {
case 'xoauth2_token':
if (isset($this->_params[$key]) &&
($this->_params[$key] instanceof Horde_Imap_Client_Base_Password)) {
return $this->_params[$key]->getPassword();
}
break;
}
return parent::getParam($key);
}
/**
*/
public function update(SplSubject $subject)
{
if (!empty($this->_init['imapproxy']) &&
($subject instanceof Horde_Imap_Client_Data_Capability_Imap)) {
$this->_setInit('enabled', $subject->isEnabled());
}
return parent::update($subject);
}
/**
*/
protected function _initCapability()
{
// Need to use connect call here or else we run into loop issues
// because _connect() can generate the capability object internally.
$this->_connect();
// It is possible the server provided capability information on
// connect, so check for it now.
if (!isset($this->_init['capability'])) {
$this->_sendCmd($this->_command('CAPABILITY'));
}
}
/**
* Parse a CAPABILITY Response (RFC 3501 [7.2.1]).
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param array $data An array of CAPABILITY strings.
*/
protected function _parseCapability(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
$data
)
{
if (!empty($this->_temp['no_cap'])) {
return;
}
$pipeline->data['capability_set'] = true;
$c = new Horde_Imap_Client_Data_Capability_Imap();
foreach ($data as $val) {
$cap_list = explode('=', $val);
$c->add(
$cap_list[0],
isset($cap_list[1]) ? array($cap_list[1]) : null
);
}
$this->_setInit('capability', $c);
}
/**
*/
protected function _noop()
{
// NOOP doesn't return any specific response
$this->_sendCmd($this->_command('NOOP'));
}
/**
*/
protected function _getNamespaces()
{
if ($this->_capability('NAMESPACE')) {
$data = $this->_sendCmd($this->_command('NAMESPACE'))->data;
if (isset($data['namespace'])) {
return $data['namespace'];
}
}
return new Horde_Imap_Client_Namespace_List();
}
/**
* Parse a NAMESPACE response (RFC 2342 [5] & RFC 5255 [3.4]).
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param Horde_Imap_Client_Tokenize $data The NAMESPACE data.
*/
protected function _parseNamespace(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
Horde_Imap_Client_Tokenize $data
)
{
$namespace_array = array(
Horde_Imap_Client_Data_Namespace::NS_PERSONAL,
Horde_Imap_Client_Data_Namespace::NS_OTHER,
Horde_Imap_Client_Data_Namespace::NS_SHARED
);
$c = array();
// Per RFC 2342, response from NAMESPACE command is:
// (PERSONAL NAMESPACES) (OTHER_USERS NAMESPACE) (SHARED NAMESPACES)
foreach ($namespace_array as $val) {
$entry = $data->next();
if (is_null($entry)) {
continue;
}
while ($data->next() !== false) {
$ob = Horde_Imap_Client_Mailbox::get($data->next(), true);
$ns = new Horde_Imap_Client_Data_Namespace();
$ns->delimiter = $data->next();
$ns->name = strval($ob);
$ns->type = $val;
$c[strval($ob)] = $ns;
// RFC 4466: NAMESPACE extensions
while (($ext = $data->next()) !== false) {
switch (Horde_String::upper($ext)) {
case 'TRANSLATION':
// RFC 5255 [3.4] - TRANSLATION extension
$data->next();
$ns->translation = $data->next();
$data->next();
break;
}
}
}
}
$pipeline->data['namespace'] = new Horde_Imap_Client_Namespace_List($c);
}
/**
*/
protected function _login()
{
$secure = $this->getParam('secure');
if (!empty($this->_temp['preauth'])) {
unset($this->_temp['preauth']);
/* Don't allow PREAUTH if we are requring secure access, since
* PREAUTH cannot provide secure access. */
if (!$this->isSecureConnection() && ($secure !== false)) {
$this->logout();
throw new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("Could not open secure TLS connection to the IMAP server."),
Horde_Imap_Client_Exception::LOGIN_TLSFAILURE
);
}
return $this->_loginTasks();
}
/* Blank passwords are not allowed, so no need to even try
* authentication to determine this. */
if (!strlen($this->getParam('password'))) {
throw new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("No password provided."),
Horde_Imap_Client_Exception::LOGIN_AUTHENTICATIONFAILED
);
}
$this->_connect();
$first_login = empty($this->_init['authmethod']);
// Switch to secure channel if using TLS.
if (!$this->isSecureConnection() &&
(($secure === 'tls') ||
(($secure === true) &&
$this->_capability('LOGINDISABLED')))) {
if ($first_login && !$this->_capability('STARTTLS')) {
/* We should never hit this - STARTTLS is required pursuant to
* RFC 3501 [6.2.1]. */
throw new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("Server does not support TLS connections."),
Horde_Imap_Client_Exception::LOGIN_TLSFAILURE
);
}
// Switch over to a TLS connection.
// STARTTLS returns no untagged response.
$this->_sendCmd($this->_command('STARTTLS'));
if (!$this->_connection->startTls()) {
$this->logout();
throw new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("Could not open secure TLS connection to the IMAP server."),
Horde_Imap_Client_Exception::LOGIN_TLSFAILURE
);
}
$this->_debug->info('Successfully completed TLS negotiation.');
$this->setParam('secure', 'tls');
$secure = 'tls';
if ($first_login) {
// Expire cached CAPABILITY information (RFC 3501 [6.2.1])
$this->_setInit('capability');
// Reset language (RFC 5255 [3.1])
$this->_setInit('lang');
}
// Set language if using imapproxy
if (!empty($this->_init['imapproxy'])) {
$this->setLanguage();
}
}
/* If we reached this point and don't have a secure connection, then
* a secure connections is not available. */
if (($secure === true) && !$this->isSecureConnection()) {
$this->setParam('secure', false);
$secure = false;
}
if ($first_login) {
// Add authentication methods.
$auth_mech = array();
$auth = array_flip($this->_capability()->getParams('AUTH'));
// XOAUTH2
if (isset($auth['XOAUTH2']) && $this->getParam('xoauth2_token')) {
$auth_mech[] = 'XOAUTH2';
}
unset($auth['XOAUTH2']);
/* 'AUTH=PLAIN' authentication always exists if under TLS (RFC 3501
* [7.2.1]; RFC 2595), even though we might get here with a
* non-TLS secure connection too. Use it over all other
* authentication methods, although we need to do sanity checking
* since broken IMAP servers may not support as required -
* fallback to LOGIN instead, if not explicitly disabled. */
if ($secure) {
if (isset($auth['PLAIN'])) {
$auth_mech[] = 'PLAIN';
unset($auth['PLAIN']);
} elseif (!$this->_capability('LOGINDISABLED')) {
$auth_mech[] = 'LOGIN';
}
}
// Check for supported SCRAM AUTH mechanisms. Preferred because it
// provides verification of server authenticity.
foreach (array_keys($auth) as $key) {
switch ($key) {
case 'SCRAM-SHA-1':
$auth_mech[] = $key;
unset($auth[$key]);
break;
}
}
// Check for supported CRAM AUTH mechanisms.
foreach (array_keys($auth) as $key) {
switch ($key) {
case 'CRAM-SHA1':
case 'CRAM-SHA256':
$auth_mech[] = $key;
unset($auth[$key]);
break;
}
}
// Prefer CRAM-MD5 over DIGEST-MD5, as the latter has been
// obsoleted (RFC 6331).
if (isset($auth['CRAM-MD5'])) {
$auth_mech[] = 'CRAM-MD5';
} elseif (isset($auth['DIGEST-MD5'])) {
$auth_mech[] = 'DIGEST-MD5';
}
unset($auth['CRAM-MD5'], $auth['DIGEST-MD5']);
// Add other auth mechanisms.
$auth_mech = array_merge($auth_mech, array_keys($auth));
// Fall back to 'LOGIN' if available.
if (!$secure && !$this->_capability('LOGINDISABLED')) {
$auth_mech[] = 'LOGIN';
}
if (empty($auth_mech)) {
throw new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("No supported IMAP authentication method could be found."),
Horde_Imap_Client_Exception::LOGIN_NOAUTHMETHOD
);
}
$auth_mech = array_unique($auth_mech);
} else {
$auth_mech = array($this->_init['authmethod']);
}
$login_err = null;
foreach ($auth_mech as $method) {
try {
$resp = $this->_tryLogin($method);
$data = $resp->data;
$this->_setInit('authmethod', $method);
unset($this->_temp['referralcount']);
} catch (Horde_Imap_Client_Exception_ServerResponse $e) {
$data = $e->resp_data;
if (isset($data['loginerr'])) {
$login_err = $data['loginerr'];
}
$resp = false;
} catch (Horde_Imap_Client_Exception $e) {
$resp = false;
}
// Check for login referral (RFC 2221) response - can happen for
// an OK, NO, or BYE response.
if (isset($data['referral'])) {
foreach (array('host', 'port', 'username') as $val) {
if (!is_null($data['referral']->$val)) {
$this->setParam($val, $data['referral']->$val);
}
}
if (!is_null($data['referral']->auth)) {
$this->_setInit('authmethod', $data['referral']->auth);
}
if (!isset($this->_temp['referralcount'])) {
$this->_temp['referralcount'] = 0;
}
// RFC 2221 [3] - Don't follow more than 10 levels of referral
// without consulting the user.
if (++$this->_temp['referralcount'] < 10) {
$this->logout();
$this->_setInit('capability');
$this->_setInit('namespace');
return $this->login();
}
unset($this->_temp['referralcount']);
}
if ($resp) {
return $this->_loginTasks($first_login, $resp->data);
}
}
/* Try again from scratch if authentication failed in an established,
* previously-authenticated object. */
if (!empty($this->_init['authmethod'])) {
$this->_setInit();
unset($this->_temp['no_cap']);
try {
return $this->_login();
} catch (Horde_Imap_Client_Exception $e) {}
}
/* Default to AUTHENTICATIONFAILED error (see RFC 5530[3]). */
if (is_null($login_err)) {
throw new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("Mail server denied authentication."),
Horde_Imap_Client_Exception::LOGIN_AUTHENTICATIONFAILED
);
}
throw $login_err;
}
/**
* Connects to the IMAP server.
*
* @throws Horde_Imap_Client_Exception
*/
protected function _connect()
{
if (!is_null($this->_connection)) {
return;
}
try {
$this->_connection = new Horde_Imap_Client_Socket_Connection_Socket(
$this->getParam('hostspec'),
$this->getParam('port'),
$this->getParam('timeout'),
$this->getParam('secure'),
$this->getParam('context'),
array(
'debug' => $this->_debug,
'debugliteral' => $this->getParam('debug_literal')
)
);
} catch (Horde\Socket\Client\Exception $e) {
$e2 = new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("Error connecting to mail server."),
Horde_Imap_Client_Exception::SERVER_CONNECT
);
$e2->details = $e->details;
throw $e2;
}
// If we already have capability information, don't re-set with
// (possibly) limited information sent in the initial banner.
if (isset($this->_init['capability'])) {
$this->_temp['no_cap'] = true;
}
/* Get greeting information (untagged response). */
try {
$this->_getLine($this->_pipeline());
} catch (Horde_Imap_Client_Exception_ServerResponse $e) {
if ($e->status === Horde_Imap_Client_Interaction_Server::BYE) {
/* Server is explicitly rejecting our connection (RFC 3501
* [7.1.5]). */
$e->setMessage(Horde_Imap_Client_Translation::r("Server rejected connection."));
$e->setCode(Horde_Imap_Client_Exception::SERVER_CONNECT);
}
throw $e;
}
// Check for IMAP4rev1 support
if (!$this->_capability('IMAP4REV1')) {
throw new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("The mail server does not support IMAP4rev1 (RFC 3501)."),
Horde_Imap_Client_Exception::SERVER_CONNECT
);
}
// Set language if NOT using imapproxy
if (empty($this->_init['imapproxy'])) {
if ($this->_capability('XIMAPPROXY')) {
$this->_setInit('imapproxy', true);
} else {
$this->setLanguage();
}
}
// If pre-authenticated, we need to do all login tasks now.
if (!empty($this->_temp['preauth'])) {
$this->login();
}
}
/**
* Authenticate to the IMAP server.
*
* @param string $method IMAP login method.
*
* @return Horde_Imap_Client_Interaction_Pipeline Pipeline object.
*
* @throws Horde_Imap_Client_Exception
*/
protected function _tryLogin($method)
{
$username = $this->getParam('username');
if (is_null($authusername = $this->getParam('authusername'))) {
$authusername = $username;
}
$password = $this->getParam('password');
switch ($method) {
case 'CRAM-MD5':
case 'CRAM-SHA1':
case 'CRAM-SHA256':
// RFC 2195: CRAM-MD5
// CRAM-SHA1 & CRAM-SHA256 supported by Courier SASL library
$args = array(
$username,
Horde_String::lower(substr($method, 5)),
$password
);
$cmd = $this->_command('AUTHENTICATE')->add(array(
$method,
new Horde_Imap_Client_Interaction_Command_Continuation(function($ob) use ($args) {
return new Horde_Imap_Client_Data_Format_List(
base64_encode($args[0] . ' ' . hash_hmac($args[1], base64_decode($ob->token->current()), $args[2], false))
);
})
));
$cmd->debug = array(
null,
sprintf('[AUTHENTICATE response (username: %s)]', $username)
);
break;
case 'DIGEST-MD5':
// RFC 2831/4422; obsoleted by RFC 6331
// Need $args because PHP 5.3 doesn't allow access to $this in
// anonymous functions.
$args = array(
$username,
$password,
$this->getParam('hostspec')
);
$cmd = $this->_command('AUTHENTICATE')->add(array(
$method,
new Horde_Imap_Client_Interaction_Command_Continuation(function($ob) use ($args) {
return new Horde_Imap_Client_Data_Format_List(
base64_encode(new Horde_Imap_Client_Auth_DigestMD5(
$args[0],
$args[1],
base64_decode($ob->token->current()),
$args[2],
'imap'
))
);
}),
new Horde_Imap_Client_Interaction_Command_Continuation(function($ob) {
if (strpos(base64_decode($ob->token->current()), 'rspauth=') === false) {
throw new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("Unexpected response from server when authenticating."),
Horde_Imap_Client_Exception::SERVER_CONNECT
);
}
return new Horde_Imap_Client_Data_Format_List();
})
));
$cmd->debug = array(
null,
sprintf('[AUTHENTICATE Response (username: %s)]', $username),
null
);
break;
case 'LOGIN':
/* See, e.g., RFC 6855 [5] - LOGIN command does not support
* non-ASCII characters. If we reach this point, treat as an
* authentication failure. */
try {
$username = new Horde_Imap_Client_Data_Format_Astring($username);
$password = new Horde_Imap_Client_Data_Format_Astring($password);
} catch (Horde_Imap_Client_Data_Format_Exception $e) {
throw new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("Authentication failed."),
Horde_Imap_Client_Exception::LOGIN_AUTHENTICATIONFAILED
);
}
$cmd = $this->_command('LOGIN')->add(array(
$username,
$password
));
$cmd->debug = array(
sprintf('LOGIN %s [PASSWORD]', $username)
);
break;
case 'PLAIN':
// RFC 2595/4616 - PLAIN SASL mechanism
$cmd = $this->_authInitialResponse(
$method,
base64_encode(implode("\0", array(
$username,
$authusername,
$password
))),
$username
);
break;
case 'SCRAM-SHA-1':
$scram = new Horde_Imap_Client_Auth_Scram(
$username,
$password,
'SHA1'
);
$cmd = $this->_authInitialResponse(
$method,
base64_encode($scram->getClientFirstMessage())
);
$cmd->add(
new Horde_Imap_Client_Interaction_Command_Continuation(function($ob) use ($scram) {
$sr1 = base64_decode($ob->token->current());
return new Horde_Imap_Client_Data_Format_List(
$scram->parseServerFirstMessage($sr1)
? base64_encode($scram->getClientFinalMessage())
: '*'
);
})
);
$self = $this;
$cmd->add(
new Horde_Imap_Client_Interaction_Command_Continuation(function($ob) use ($scram, $self) {
$sr2 = base64_decode($ob->token->current());
if (!$scram->parseServerFinalMessage($sr2)) {
/* This means authentication passed, according to the
* server, but the server signature is incorrect.
* This indicates that server verification has failed.
* Immediately disconnect from the server, since this
* is a possible security issue. */
$self->logout();
throw new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("Server failed verification check."),
Horde_Imap_Client_Exception::LOGIN_SERVER_VERIFICATION_FAILED
);
}
return new Horde_Imap_Client_Data_Format_List();
})
);
break;
case 'XOAUTH2':
// Google XOAUTH2
$cmd = $this->_authInitialResponse(
$method,
$this->getParam('xoauth2_token')
);
/* This is an optional command continuation. XOAUTH2 will return
* error information in continuation response. */
$error_continuation = new Horde_Imap_Client_Interaction_Command_Continuation(
function($ob) {
return new Horde_Imap_Client_Data_Format_List();
}
);
$error_continuation->optional = true;
$cmd->add($error_continuation);
break;
default:
$e = new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("Unknown authentication method: %s"),
Horde_Imap_Client_Exception::SERVER_CONNECT
);
$e->messagePrintf(array($method));
throw $e;
}
return $this->_sendCmd($this->_pipeline($cmd));
}
/**
* Create the AUTHENTICATE command for the initial client response.
*
* @param string $method AUTHENTICATE SASL method.
* @param string $ir Initial client response.
* @param string $username If set, log a username message in debug log
* instead of raw data.
*
* @return Horde_Imap_Client_Interaction_Command A command object.
*/
protected function _authInitialResponse($method, $ir, $username = null)
{
$cmd = $this->_command('AUTHENTICATE')->add($method);
if ($this->_capability('SASL-IR')) {
// IMAP Extension for SASL Initial Client Response (RFC 4959)
$cmd->add($ir);
if ($username) {
$cmd->debug = array(
sprintf('AUTHENTICATE %s [INITIAL CLIENT RESPONSE (username: %s)]', $method, $username)
);
}
} else {
$cmd->add(
new Horde_Imap_Client_Interaction_Command_Continuation(function($ob) use ($ir) {
return new Horde_Imap_Client_Data_Format_List($ir);
})
);
if ($username) {
$cmd->debug = array(
null,
sprintf('[INITIAL CLIENT RESPONSE (username: %s)]', $username)
);
}
}
return $cmd;
}
/**
* Perform login tasks.
*
* @param boolean $firstlogin Is this the first login?
* @param array $resp The data response from the login command.
* May include:
* - capability_set: (boolean) True if CAPABILITY was set after login.
* - proxyreuse: (boolean) True if re-used connection via imapproxy.
*
* @return boolean True if global login tasks should be performed.
*/
protected function _loginTasks($firstlogin = true, array $resp = array())
{
/* If reusing an imapproxy connection, no need to do any of these
* login tasks again. */
if (!$firstlogin && !empty($resp['proxyreuse'])) {
if (isset($this->_init['enabled'])) {
foreach ($this->_init['enabled'] as $val) {
$this->_capability()->enable($val);
}
}
// If we have not yet set the language, set it now.
if (!isset($this->_init['lang'])) {
$this->_temp['lang_queue'] = true;
$this->setLanguage();
unset($this->_temp['lang_queue']);
}
return false;
}
/* If we logged in for first time, and server did not return
* capability information, we need to mark for retrieval. */
if ($firstlogin && empty($resp['capability_set'])) {
$this->_setInit('capability');
}
$this->_temp['lang_queue'] = true;
$this->setLanguage();
unset($this->_temp['lang_queue']);
/* Only active QRESYNC/CONDSTORE if caching is enabled. */
$enable = array();
if ($this->_initCache()) {
if ($this->_capability('QRESYNC')) {
$enable[] = 'QRESYNC';
} elseif ($this->_capability('CONDSTORE')) {
$enable[] = 'CONDSTORE';
}
}
/* Use UTF8=ACCEPT, if available. */
if ($this->_capability('UTF8', 'ACCEPT')) {
$enable[] = 'UTF8=ACCEPT';
}
$this->_enable($enable);
return true;
}
/**
*/
protected function _logout()
{
if (empty($this->_temp['logout'])) {
/* If using imapproxy, force sending these commands, since they
* may not be sent again if they are (likely) initialization
* commands. */
if (!empty($this->_cmdQueue) &&
!empty($this->_init['imapproxy'])) {
$this->_sendCmd($this->_pipeline());
}
$this->_temp['logout'] = true;
try {
$this->_sendCmd($this->_command('LOGOUT'));
} catch (Horde_Imap_Client_Exception_ServerResponse $e) {
// Ignore server errors
}
unset($this->_temp['logout']);
}
}
/**
*/
protected function _sendID($info)
{
$cmd = $this->_command('ID');
if (empty($info)) {
$cmd->add(new Horde_Imap_Client_Data_Format_Nil());
} else {
$tmp = new Horde_Imap_Client_Data_Format_List();
foreach ($info as $key => $val) {
$tmp->add(array(
new Horde_Imap_Client_Data_Format_String(Horde_String::lower($key)),
new Horde_Imap_Client_Data_Format_Nstring($val)
));
}
$cmd->add($tmp);
}
$temp = &$this->_temp;
/* Add to queue - this doesn't need to be sent immediately. */
$cmd->on_error = function() use (&$temp) {
/* Ignore server errors. E.g. Cyrus returns this:
* 001 NO Only one Id allowed in non-authenticated state
* even though NO is not allowed in RFC 2971[3.1]. */
$temp['id'] = array();
return true;
};
$cmd->on_success = function() use ($cmd, &$temp) {
$temp['id'] = $cmd->pipeline->data['id'];
};
$this->_cmdQueue[] = $cmd;
}
/**
* Parse an ID response (RFC 2971 [3.2]).
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param Horde_Imap_Client_Tokenize $data The server response.
*/
protected function _parseID(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
Horde_Imap_Client_Tokenize $data
)
{
if (!isset($pipeline->data['id'])) {
$pipeline->data['id'] = array();
}
if (!is_null($data->next())) {
while (($curr = $data->next()) !== false) {
if (!is_null($id = $data->next())) {
$pipeline->data['id'][$curr] = $id;
}
}
}
}
/**
*/
protected function _getID()
{
if (!isset($this->_temp['id'])) {
$this->sendID();
/* ID is queued - force sending the queued command. */
$this->_sendCmd($this->_pipeline());
}
return $this->_temp['id'];
}
/**
*/
protected function _setLanguage($langs)
{
$cmd = $this->_command('LANGUAGE');
foreach ($langs as $lang) {
$cmd->add(new Horde_Imap_Client_Data_Format_Astring($lang));
}
if (!empty($this->_temp['lang_queue'])) {
$this->_cmdQueue[] = $cmd;
return array();
}
try {
$this->_sendCmd($cmd);
} catch (Horde_Imap_Client_Exception $e) {
$this->_setInit('lang', false);
return null;
}
return $this->_init['lang'];
}
/**
*/
protected function _getLanguage($list)
{
if (!$list) {
return empty($this->_init['lang'])
? null
: $this->_init['lang'];
}
if (!isset($this->_init['langavail'])) {
try {
$this->_sendCmd($this->_command('LANGUAGE'));
} catch (Horde_Imap_Client_Exception $e) {
$this->_setInit('langavail', array());
}
}
return $this->_init['langavail'];
}
/**
* Parse a LANGUAGE response (RFC 5255 [3.3]).
*
* @param Horde_Imap_Client_Tokenize $data The server response.
*/
protected function _parseLanguage(Horde_Imap_Client_Tokenize $data)
{
$lang_list = $data->flushIterator();
if (count($lang_list) === 1) {
// This is the language that was set.
$this->_setInit('lang', reset($lang_list));
} else {
// These are the languages that are available.
$this->_setInit('langavail', $lang_list);
}
}
/**
* Enable an IMAP extension (see RFC 5161).
*
* @param array $exts The extensions to enable.
*
* @throws Horde_Imap_Client_Exception
*/
protected function _enable($exts)
{
if (!empty($exts) && $this->_capability('ENABLE')) {
$c = $this->_capability();
$todo = array();
// Only enable non-enabled extensions.
foreach ($exts as $val) {
if (!$c->isEnabled($val)) {
$c->enable($val);
$todo[] = $val;
}
}
if (!empty($todo)) {
$cmd = $this->_command('ENABLE')->add($todo);
$cmd->on_error = function() use ($todo, $c) {
/* Something went wrong... disable the extensions. */
foreach ($todo as $val) {
$c->enable($val, false);
}
};
$this->_cmdQueue[] = $cmd;
}
}
}
/**
* Parse an ENABLED response (RFC 5161 [3.2]).
*
* @param Horde_Imap_Client_Tokenize $data The server response.
*/
protected function _parseEnabled(Horde_Imap_Client_Tokenize $data)
{
$c = $this->_capability();
foreach ($data->flushIterator() as $val) {
$c->enable($val);
}
}
/**
*/
protected function _openMailbox(Horde_Imap_Client_Mailbox $mailbox, $mode)
{
$c = $this->_capability();
$qresync = $c->isEnabled('QRESYNC');
$cmd = $this->_command(
($mode == Horde_Imap_Client::OPEN_READONLY) ? 'EXAMINE' : 'SELECT'
)->add(
$this->_getMboxFormatOb($mailbox)
);
$pipeline = $this->_pipeline($cmd);
/* If QRESYNC is available, synchronize the mailbox. */
if ($qresync) {
$this->_initCache();
$md = $this->_cache->getMetaData($mailbox, null, array(self::CACHE_MODSEQ, 'uidvalid'));
/* CACHE_MODSEQ can be set but 0 (NOMODSEQ was returned). */
if (!empty($md[self::CACHE_MODSEQ])) {
if ($uids = $this->_cache->get($mailbox)) {
$uids = $this->getIdsOb($uids);
/* Check for extra long UID string. Assume that any
* server that can handle QRESYNC can also handle long
* input strings (at least 8 KB), so 7 KB is as good as
* any guess as to an upper limit. If this occurs, provide
* a range string (min -> max) instead. */
if (strlen($uid_str = $uids->tostring_sort) > 7000) {
$uid_str = $uids->range_string;
}
} else {
$uid_str = null;
}
/* Several things can happen with a QRESYNC:
* 1. UIDVALIDITY may have changed. If so, we need to expire
* the cache immediately (done below).
* 2. NOMODSEQ may have been returned. We can keep current
* message cache data but won't be able to do flag caching.
* 3. VANISHED/FETCH information was returned. These responses
* will have already been handled by those response handlers.
* 4. We are already synced with the local server in which
* case it acts like a normal EXAMINE/SELECT. */
$cmd->add(new Horde_Imap_Client_Data_Format_List(array(
'QRESYNC',
new Horde_Imap_Client_Data_Format_List(array_filter(array(
$md['uidvalid'],
$md[self::CACHE_MODSEQ],
$uid_str
)))
)));
}
/* Let the 'CLOSED' response code handle mailbox switching if
* QRESYNC is active. */
if ($this->_selected) {
$pipeline->data['qresyncmbox'] = array($mailbox, $mode);
} else {
$this->_changeSelected($mailbox, $mode);
}
} else {
if (!$c->isEnabled('CONDSTORE') &&
$this->_initCache() &&
$c->query('CONDSTORE')) {
/* Activate CONDSTORE now if ENABLE is not available. */
$cmd->add(new Horde_Imap_Client_Data_Format_List('CONDSTORE'));
$c->enable('CONDSTORE');
}
$this->_changeSelected($mailbox, $mode);
}
try {
$this->_sendCmd($pipeline);
} catch (Horde_Imap_Client_Exception_ServerResponse $e) {
// An EXAMINE/SELECT failure with a return of 'NO' will cause the
// current mailbox to be unselected.
if ($e->status === Horde_Imap_Client_Interaction_Server::NO) {
$this->_changeSelected(null);
$this->_mode = 0;
if (!$e->getCode()) {
$e = new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("Could not open mailbox \"%s\"."),
Horde_Imap_Client_Exception::MAILBOX_NOOPEN
);
$e->messagePrintf(array($mailbox));
}
}
throw $e;
}
if ($qresync) {
/* Mailbox is fully sync'd. */
$this->_mailboxOb()->sync = true;
}
}
/**
*/
protected function _createMailbox(Horde_Imap_Client_Mailbox $mailbox, $opts)
{
$cmd = $this->_command('CREATE')->add(
$this->_getMboxFormatOb($mailbox)
);
// RFC 6154 Sec. 3
if (!empty($opts['special_use'])) {
$use = new Horde_Imap_Client_Data_Format_List('USE');
$use->add(
new Horde_Imap_Client_Data_Format_List($opts['special_use'])
);
$cmd->add($use);
}
// CREATE returns no untagged information (RFC 3501 [6.3.3])
$this->_sendCmd($cmd);
}
/**
*/
protected function _deleteMailbox(Horde_Imap_Client_Mailbox $mailbox)
{
// Some IMAP servers will not allow a delete of a currently open
// mailbox.
if ($mailbox->equals($this->_selected)) {
$this->close();
}
$cmd = $this->_command('DELETE')->add(
$this->_getMboxFormatOb($mailbox)
);
try {
// DELETE returns no untagged information (RFC 3501 [6.3.4])
$this->_sendCmd($cmd);
} catch (Horde_Imap_Client_Exception $e) {
// Some IMAP servers won't allow a mailbox delete unless all
// messages in that mailbox are deleted.
$this->expunge($mailbox, array(
'delete' => true
));
$this->_sendCmd($cmd);
}
}
/**
*/
protected function _renameMailbox(Horde_Imap_Client_Mailbox $old,
Horde_Imap_Client_Mailbox $new)
{
// Some IMAP servers will not allow a rename of a currently open
// mailbox.
if ($old->equals($this->_selected)) {
$this->close();
}
// RENAME returns no untagged information (RFC 3501 [6.3.5])
$this->_sendCmd(
$this->_command('RENAME')->add(array(
$this->_getMboxFormatOb($old),
$this->_getMboxFormatOb($new)
))
);
}
/**
*/
protected function _subscribeMailbox(Horde_Imap_Client_Mailbox $mailbox,
$subscribe)
{
// SUBSCRIBE/UNSUBSCRIBE returns no untagged information (RFC 3501
// [6.3.6 & 6.3.7])
$this->_sendCmd(
$this->_command(
$subscribe ? 'SUBSCRIBE' : 'UNSUBSCRIBE'
)->add(
$this->_getMboxFormatOb($mailbox)
)
);
}
/**
*/
protected function _listMailboxes($pattern, $mode, $options)
{
// RFC 5258 [3.1]: Use LSUB for MBOX_SUBSCRIBED if no other server
// return options are specified.
if (($mode == Horde_Imap_Client::MBOX_SUBSCRIBED) &&
!array_intersect(array_keys($options), array('attributes', 'children', 'recursivematch', 'remote', 'special_use', 'status'))) {
return $this->_getMailboxList(
$pattern,
Horde_Imap_Client::MBOX_SUBSCRIBED,
array(
'flat' => !empty($options['flat']),
'no_listext' => true
)
);
}
// Get the list of subscribed/unsubscribed mailboxes. Since LSUB is
// not guaranteed to have correct attributes, we must use LIST to
// ensure we receive the correct information.
if (($mode != Horde_Imap_Client::MBOX_ALL) &&
!$this->_capability('LIST-EXTENDED')) {
$subscribed = $this->_getMailboxList(
$pattern,
Horde_Imap_Client::MBOX_SUBSCRIBED,
array('flat' => true)
);
// If mode is subscribed, and 'flat' option is true, we can
// return now.
if (($mode == Horde_Imap_Client::MBOX_SUBSCRIBED) &&
!empty($options['flat'])) {
return $subscribed;
}
} else {
$subscribed = null;
}
return $this->_getMailboxList($pattern, $mode, $options, $subscribed);
}
/**
* Obtain a list of mailboxes.
*
* @param array $pattern The mailbox search pattern(s).
* @param integer $mode Which mailboxes to return.
* @param array $options Additional options. 'no_listext' will skip
* using the LIST-EXTENDED capability.
* @param array $subscribed A list of subscribed mailboxes.
*
* @return array See listMailboxes(().
*
* @throws Horde_Imap_Client_Exception
*/
protected function _getMailboxList($pattern, $mode, $options,
$subscribed = null)
{
// Setup entry for use in _parseList().
$pipeline = $this->_pipeline();
$pipeline->data['mailboxlist'] = array(
'ext' => false,
'mode' => $mode,
'opts' => $options,
/* Can't use array_merge here because it will destroy any mailbox
* name (key) that is "numeric". */
'sub' => (is_null($subscribed) ? null : array_flip(array_map('strval', $subscribed)) + array('INBOX' => true))
);
$pipeline->data['listresponse'] = array();
$cmds = array();
$return_opts = new Horde_Imap_Client_Data_Format_List();
if ($this->_capability('LIST-EXTENDED') &&
empty($options['no_listext'])) {
$cmd = $this->_command('LIST');
$pipeline->data['mailboxlist']['ext'] = true;
$select_opts = new Horde_Imap_Client_Data_Format_List();
$subscribed = false;
switch ($mode) {
case Horde_Imap_Client::MBOX_ALL_SUBSCRIBED:
case Horde_Imap_Client::MBOX_UNSUBSCRIBED:
$return_opts->add('SUBSCRIBED');
break;
case Horde_Imap_Client::MBOX_SUBSCRIBED:
case Horde_Imap_Client::MBOX_SUBSCRIBED_EXISTS:
$select_opts->add('SUBSCRIBED');
$return_opts->add('SUBSCRIBED');
$subscribed = true;
break;
}
if (!empty($options['remote'])) {
$select_opts->add('REMOTE');
}
if (!empty($options['recursivematch'])) {
$select_opts->add('RECURSIVEMATCH');
}
if (!empty($select_opts)) {
$cmd->add($select_opts);
}
$cmd->add('');
$tmp = new Horde_Imap_Client_Data_Format_List();
foreach ($pattern as $val) {
if ($subscribed && (strcasecmp($val, 'INBOX') === 0)) {
$cmds[] = $this->_command('LIST')->add(array(
'',
'INBOX'
));
} else {
$tmp->add($this->_getMboxFormatOb($val, true));
}
}
if (count($tmp)) {
$cmd->add($tmp);
$cmds[] = $cmd;
}
if (!empty($options['children'])) {
$return_opts->add('CHILDREN');
}
if (!empty($options['special_use'])) {
$return_opts->add('SPECIAL-USE');
}
} else {
foreach ($pattern as $val) {
$cmds[] = $this->_command(
($mode == Horde_Imap_Client::MBOX_SUBSCRIBED) ? 'LSUB' : 'LIST'
)->add(array(
'',
$this->_getMboxFormatOb($val, true)
));
}
}
/* LIST-STATUS does NOT depend on LIST-EXTENDED. */
if (!empty($options['status']) &&
$this->_capability('LIST-STATUS')) {
$available_status = array(
Horde_Imap_Client::STATUS_MESSAGES,
Horde_Imap_Client::STATUS_RECENT,
Horde_Imap_Client::STATUS_UIDNEXT,
Horde_Imap_Client::STATUS_UIDVALIDITY,
Horde_Imap_Client::STATUS_UNSEEN,
Horde_Imap_Client::STATUS_HIGHESTMODSEQ
);
$status_opts = array();
foreach (array_intersect($this->_statusFields, $available_status) as $key => $val) {
if ($options['status'] & $val) {
$status_opts[] = $key;
}
}
if (count($status_opts)) {
$return_opts->add(array(
'STATUS',
new Horde_Imap_Client_Data_Format_List(
array_map('Horde_String::upper', $status_opts)
)
));
}
}
foreach ($cmds as $val) {
if (count($return_opts)) {
$val->add(array(
'RETURN',
$return_opts
));
}
$pipeline->add($val);
}
try {
$lr = $this->_sendCmd($pipeline)->data['listresponse'];
} catch (Horde_Imap_Client_Exception_ServerResponse $e) {
/* Archiveopteryx 3.1.3 can't process empty list-select-opts list.
* Retry using base IMAP4rev1 functionality. */
if (($e->status === Horde_Imap_Client_Interaction_Server::BAD) &&
$this->_capability('LIST-EXTENDED')) {
$this->_capability()->remove('LIST-EXTENDED');
return $this->_listMailboxes($pattern, $mode, $options);
}
throw $e;
}
if (!empty($options['flat'])) {
return array_values($lr);
}
/* Add in STATUS return, if needed. */
if (!empty($options['status']) && $this->_capability('LIST-STATUS')) {
< foreach ($pattern as $val) {
< $val_utf8 = Horde_Imap_Client_Utf7imap::Utf7ImapToUtf8($val);
< if (isset($lr[$val_utf8])) {
> foreach($lr as $val_utf8 => $tmp) {
$lr[$val_utf8]['status'] = $this->_prepareStatusResponse($status_opts, $val_utf8);
}
< }
}
return $lr;
}
/**
* Parse a LIST/LSUB response (RFC 3501 [7.2.2 & 7.2.3]).
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param Horde_Imap_Client_Tokenize $data The server response (includes
* type as first token).
*
* @throws Horde_Imap_Client_Exception
*/
protected function _parseList(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
Horde_Imap_Client_Tokenize $data
)
{
$data->next();
$attr = null;
$attr_raw = $data->flushIterator();
$delimiter = $data->next();
$mbox = Horde_Imap_Client_Mailbox::get(
$data->next(),
!$this->_capability()->isEnabled('UTF8=ACCEPT')
);
$ml = $pipeline->data['mailboxlist'];
switch ($ml['mode']) {
case Horde_Imap_Client::MBOX_ALL_SUBSCRIBED:
case Horde_Imap_Client::MBOX_SUBSCRIBED_EXISTS:
case Horde_Imap_Client::MBOX_UNSUBSCRIBED:
$attr = array_flip(array_map('Horde_String::lower', $attr_raw));
/* Subscribed list is in UTF-8. */
if (is_null($ml['sub']) &&
!isset($attr['\\subscribed']) &&
(strcasecmp($mbox, 'INBOX') === 0)) {
$attr['\\subscribed'] = 1;
} elseif (isset($ml['sub'][strval($mbox)])) {
$attr['\\subscribed'] = 1;
}
break;
}
switch ($ml['mode']) {
case Horde_Imap_Client::MBOX_SUBSCRIBED_EXISTS:
if (isset($attr['\\nonexistent']) ||
!isset($attr['\\subscribed'])) {
return;
}
break;
case Horde_Imap_Client::MBOX_UNSUBSCRIBED:
if (isset($attr['\\subscribed'])) {
return;
}
break;
}
if (!empty($ml['opts']['flat'])) {
$pipeline->data['listresponse'][] = $mbox;
return;
}
$tmp = array(
'delimiter' => $delimiter,
'mailbox' => $mbox
);
if ($attr || !empty($ml['opts']['attributes'])) {
if (is_null($attr)) {
$attr = array_flip(array_map('Horde_String::lower', $attr_raw));
}
/* RFC 5258 [3.4]: inferred attributes. */
if ($ml['ext']) {
if (isset($attr['\\noinferiors'])) {
$attr['\\hasnochildren'] = 1;
}
if (isset($attr['\\nonexistent'])) {
$attr['\\noselect'] = 1;
}
}
$tmp['attributes'] = array_keys($attr);
}
if ($data->next() !== false) {
$tmp['extended'] = $data->flushIterator();
}
$pipeline->data['listresponse'][strval($mbox)] = $tmp;
}
/**
*/
protected function _status($mboxes, $flags)
{
$on_error = null;
$out = $to_process = array();
$pipeline = $this->_pipeline();
$unseen_flags = array(
Horde_Imap_Client::STATUS_FIRSTUNSEEN,
Horde_Imap_Client::STATUS_UNSEEN
);
foreach ($mboxes as $mailbox) {
/* If FLAGS/PERMFLAGS/UIDNOTSTICKY/FIRSTUNSEEN are needed, we must
* do a SELECT/EXAMINE to get this information (data will be
* caught in the code below). */
if (($flags & Horde_Imap_Client::STATUS_FIRSTUNSEEN) ||
($flags & Horde_Imap_Client::STATUS_FLAGS) ||
($flags & Horde_Imap_Client::STATUS_PERMFLAGS) ||
($flags & Horde_Imap_Client::STATUS_UIDNOTSTICKY)) {
$this->openMailbox($mailbox);
}
$mbox_ob = $this->_mailboxOb($mailbox);
$data = $query = array();
foreach ($this->_statusFields as $key => $val) {
if (!($val & $flags)) {
continue;
}
if ($val == Horde_Imap_Client::STATUS_HIGHESTMODSEQ) {
$c = $this->_capability();
/* Don't include modseq returns if server does not support
* it. */
if (!$c->query('CONDSTORE')) {
continue;
}
/* Even though CONDSTORE is available, it may not yet have
* been enabled. */
$c->enable('CONDSTORE');
$on_error = function() use ($c) {
$c->enable('CONDSTORE', false);
};
}
if ($mailbox->equals($this->_selected)) {
if (!is_null($tmp = $mbox_ob->getStatus($val))) {
$data[$key] = $tmp;
} elseif (($val == Horde_Imap_Client::STATUS_UIDNEXT) &&
($flags & Horde_Imap_Client::STATUS_UIDNEXT_FORCE)) {
/* UIDNEXT is not mandatory. */
if ($mbox_ob->getStatus(Horde_Imap_Client::STATUS_MESSAGES) == 0) {
$data[$key] = 0;
} else {
$fquery = new Horde_Imap_Client_Fetch_Query();
$fquery->uid();
$fetch_res = $this->fetch($this->_selected, $fquery, array(
'ids' => $this->getIdsOb(Horde_Imap_Client_Ids::LARGEST)
));
$data[$key] = $fetch_res->first()->getUid() + 1;
}
} elseif (in_array($val, $unseen_flags)) {
/* RFC 3501 [6.3.1] - FIRSTUNSEEN information is not
* mandatory. If missing in EXAMINE/SELECT results, we
* need to do a search. An UNSEEN count also requires
* a search. */
$squery = new Horde_Imap_Client_Search_Query();
$squery->flag(Horde_Imap_Client::FLAG_SEEN, false);
$search = $this->search($mailbox, $squery, array(
'results' => array(
Horde_Imap_Client::SEARCH_RESULTS_MIN,
Horde_Imap_Client::SEARCH_RESULTS_COUNT
),
'sequence' => true
));
$mbox_ob->setStatus(Horde_Imap_Client::STATUS_FIRSTUNSEEN, $search['min']);
$mbox_ob->setStatus(Horde_Imap_Client::STATUS_UNSEEN, $search['count']);
$data[$key] = $mbox_ob->getStatus($val);
}
} else {
$query[] = $key;
}
}
$out[strval($mailbox)] = $data;
if (count($query)) {
$cmd = $this->_command('STATUS')->add(array(
$this->_getMboxFormatOb($mailbox),
new Horde_Imap_Client_Data_Format_List(
array_map('Horde_String::upper', $query)
)
));
$cmd->on_error = $on_error;
$pipeline->add($cmd);
$to_process[] = array($query, $mailbox);
}
}
if (count($pipeline)) {
$this->_sendCmd($pipeline);
foreach ($to_process as $val) {
$out[strval($val[1])] += $this->_prepareStatusResponse($val[0], $val[1]);
}
}
return $out;
}
/**
* Parse a STATUS response (RFC 3501 [7.2.4]).
*
* @param Horde_Imap_Client_Tokenize $data Token data
*/
protected function _parseStatus(Horde_Imap_Client_Tokenize $data)
{
// Mailbox name is in UTF7-IMAP (unless UTF8 has been enabled).
$mbox_ob = $this->_mailboxOb(
Horde_Imap_Client_Mailbox::get(
$data->next(),
!$this->_capability()->isEnabled('UTF8=ACCEPT')
)
);
$data->next();
while (($k = $data->next()) !== false) {
$mbox_ob->setStatus(
$this->_statusFields[Horde_String::lower($k)],
$data->next()
);
}
}
/**
* Prepares a status response for a mailbox.
*
* @param array $request The status keys to return.
* @param string $mailbox The mailbox to query.
*/
protected function _prepareStatusResponse($request, $mailbox)
{
$mbox_ob = $this->_mailboxOb($mailbox);
$out = array();
foreach ($request as $val) {
$out[$val] = $mbox_ob->getStatus($this->_statusFields[$val]);
}
return $out;
}
/**
*/
protected function _append(Horde_Imap_Client_Mailbox $mailbox, $data,
$options)
{
$c = $this->_capability();
// Check for MULTIAPPEND extension (RFC 3502)
if ((count($data) > 1) && !$c->query('MULTIAPPEND')) {
$result = $this->getIdsOb();
foreach (array_keys($data) as $key) {
$res = $this->_append($mailbox, array($data[$key]), $options);
if (($res === true) || ($result === true)) {
$result = true;
} else {
$result->add($res);
}
}
return $result;
}
// Check for extensions.
$binary = $c->query('BINARY');
$catenate = $c->query('CATENATE');
$utf8 = $c->isEnabled('UTF8=ACCEPT');
$asize = 0;
$cmd = $this->_command('APPEND')->add(
$this->_getMboxFormatOb($mailbox)
);
$cmd->literal8 = true;
foreach (array_keys($data) as $key) {
if (!empty($data[$key]['flags'])) {
$tmp = new Horde_Imap_Client_Data_Format_List();
foreach ($data[$key]['flags'] as $val) {
/* Ignore recent flag. RFC 3501 [9]: flag definition */
if (strcasecmp($val, Horde_Imap_Client::FLAG_RECENT) !== 0) {
$tmp->add($val);
}
}
$cmd->add($tmp);
}
if (!empty($data[$key]['internaldate'])) {
$cmd->add(new Horde_Imap_Client_Data_Format_DateTime($data[$key]['internaldate']));
}
$adata = null;
if (is_array($data[$key]['data'])) {
if ($catenate) {
$cmd->add('CATENATE');
$tmp = new Horde_Imap_Client_Data_Format_List();
} else {
$data_stream = new Horde_Stream_Temp();
}
foreach ($data[$key]['data'] as $v) {
switch ($v['t']) {
case 'text':
if ($catenate) {
$tdata = $this->_appendData($v['v'], $asize);
if ($utf8) {
/* RFC 6855 [4]: CATENATE UTF8 extension. */
$tdata->forceBinary();
$tmp->add(array(
'UTF8',
new Horde_Imap_Client_Data_Format_List($tdata)
));
} else {
$tmp->add(array(
'TEXT',
$tdata
));
}
} else {
if (is_resource($v['v'])) {
rewind($v['v']);
}
$data_stream->add($v['v']);
}
break;
case 'url':
if ($catenate) {
$tmp->add(array(
'URL',
new Horde_Imap_Client_Data_Format_Astring($v['v'])
));
} else {
$data_stream->add($this->_convertCatenateUrl($v['v']));
}
break;
}
}
if ($catenate) {
$cmd->add($tmp);
} else {
$adata = $this->_appendData($data_stream->stream, $asize);
}
} else {
$adata = $this->_appendData($data[$key]['data'], $asize);
}
if (!is_null($adata)) {
if ($utf8) {
/* RFC 6855 [4]: APPEND UTF8 extension. */
$adata->forceBinary();
$cmd->add(array(
'UTF8',
new Horde_Imap_Client_Data_Format_List($adata)
));
} else {
$cmd->add($adata);
}
}
}
/* Although it is normally more efficient to use LITERAL+, disable if
* payload is over 50 KB because it allows the server to throw error
* before we potentially push a lot of data to server that would
* otherwise be ignored (see RFC 4549 [4.2.2.3]).
* Additionally, since so many IMAP servers have issues with APPEND
* + BINARY, don't use LITERAL+ since servers may send BAD
* (incorrectly) after initial command. */
$cmd->literalplus = (($asize < (1024 * 50)) && !$binary);
// If the mailbox is currently selected read-only, we need to close
// because some IMAP implementations won't allow an append. And some
// implementations don't support append on ANY open mailbox. Be safe
// and always make sure we are in a non-selected state.
$this->close();
try {
$resp = $this->_sendCmd($cmd);
} catch (Horde_Imap_Client_Exception $e) {
switch ($e->getCode()) {
case $e::CATENATE_BADURL:
case $e::CATENATE_TOOBIG:
/* Cyrus 2.4 (at least as of .14) has a broken CATENATE (see
* Bug #11111). Regardless, if CATENATE is broken, we can try
* to fallback to APPEND. */
$c->remove('CATENATE');
return $this->_append($mailbox, $data, $options);
case $e::DISCONNECT:
/* Workaround broken literal8 on Cyrus. */
if ($binary) {
// Need to re-login first before removing capability.
$this->login();
$c->remove('BINARY');
return $this->_append($mailbox, $data, $options);
}
break;
}
if (!empty($options['create']) &&
!empty($e->resp_data['trycreate'])) {
$this->createMailbox($mailbox);
unset($options['create']);
return $this->_append($mailbox, $data, $options);
}
/* RFC 3516/4466 says we should be able to append binary data
* using literal8 "~{#} format", but it doesn't seem to work on
* all servers tried (UW-IMAP/Cyrus). Do a last-ditch check for
* broken BINARY and attempt to fix here. */
if ($c->query('BINARY') &&
($e instanceof Horde_Imap_Client_Exception_ServerResponse)) {
switch ($e->status) {
case Horde_Imap_Client_Interaction_Server::BAD:
case Horde_Imap_Client_Interaction_Server::NO:
$c->remove('BINARY');
return $this->_append($mailbox, $data, $options);
}
}
throw $e;
}
/* If we reach this point and have data in 'appenduid', UIDPLUS (RFC
* 4315) has done the dirty work for us. */
return isset($resp->data['appenduid'])
? $resp->data['appenduid']
: true;
}
/**
* Prepares append message data for insertion into the IMAP command
* string.
*
* @param mixed $data Either a resource or a string.
* @param integer &$asize Total append size.
*
* @return Horde_Imap_Client_Data_Format_String_Nonascii The data object.
*/
protected function _appendData($data, &$asize)
{
if (is_resource($data)) {
rewind($data);
}
/* Since this is body text, with possible embedded charset
* information, non-ASCII characters are supported. */
$ob = new Horde_Imap_Client_Data_Format_String_Nonascii($data, array(
'eol' => true,
'skipscan' => true
));
// APPEND data MUST be sent in a literal (RFC 3501 [6.3.11]).
$ob->forceLiteral();
$asize += $ob->length();
return $ob;
}
/**
* Converts a CATENATE URL to stream data.
*
* @param string $url The CATENATE URL.
*
* @return resource A stream containing the data.
*/
protected function _convertCatenateUrl($url)
{
$e = $part = null;
$url = new Horde_Imap_Client_Url_Imap($url);
if (!is_null($url->mailbox) && !is_null($url->uid)) {
try {
$status_res = is_null($url->uidvalidity)
? null
: $this->status($url->mailbox, Horde_Imap_Client::STATUS_UIDVALIDITY);
if (is_null($status_res) ||
($status_res['uidvalidity'] == $url->uidvalidity)) {
if (!isset($this->_temp['catenate_ob'])) {
$this->_temp['catenate_ob'] = new Horde_Imap_Client_Socket_Catenate($this);
}
$part = $this->_temp['catenate_ob']->fetchFromUrl($url);
}
} catch (Horde_Imap_Client_Exception $e) {}
}
if (is_null($part)) {
$message = 'Bad IMAP URL given in CATENATE data: ' . strval($url);
if ($e) {
$message .= ' ' . $e->getMessage();
}
throw new InvalidArgumentException($message);
}
return $part;
}
/**
*/
protected function _check()
{
// CHECK returns no untagged information (RFC 3501 [6.4.1])
$this->_sendCmd($this->_command('CHECK'));
}
/**
*/
protected function _close($options)
{
if (empty($options['expunge'])) {
if ($this->_capability('UNSELECT')) {
// RFC 3691 defines 'UNSELECT' for precisely this purpose
$this->_sendCmd($this->_command('UNSELECT'));
} else {
/* RFC 3501 [6.4.2]: to close a mailbox without expunge,
* select a non-existent mailbox. */
try {
$this->_sendCmd($this->_command('EXAMINE')->add(
$this->_getMboxFormatOb("\24nonexist\24")
));
/* Not pipelining, since the odds that this CLOSE is even
* needed is tiny; and it returns BAD, which should be
* avoided, if possible. */
$this->_sendCmd($this->_command('CLOSE'));
} catch (Horde_Imap_Client_Exception_ServerResponse $e) {
// Ignore error; it is expected.
}
}
} else {
// If caching, we need to know the UIDs being deleted, so call
// expunge() before calling close().
if ($this->_initCache(true)) {
$this->expunge($this->_selected);
}
// CLOSE returns no untagged information (RFC 3501 [6.4.2])
$this->_sendCmd($this->_command('CLOSE'));
}
}
/**
*/
protected function _expunge($options)
{
$expunged_ob = $modseq = null;
$ids = $options['ids'];
$list_msgs = !empty($options['list']);
$mailbox = $this->_selected;
$uidplus = $this->_capability('UIDPLUS');
$unflag = array();
$use_cache = $this->_initCache(true);
if ($ids->all) {
if (!$uidplus || $list_msgs || $use_cache) {
$ids = $this->resolveIds($mailbox, $ids, 2);
}
} elseif ($uidplus) {
/* If QRESYNC is not available, and we are returning the list of
* expunged messages (or we are caching), we have to make sure we
* have a mapping of Sequence -> UIDs. If we have QRESYNC, the
* server SHOULD return a VANISHED response with UIDs. However,
* even if the server returns EXPUNGEs instead, we can use
* vanished() to grab the list. */
unset($this->_temp['search_save']);
if ($this->_capability()->isEnabled('QRESYNC')) {
$ids = $this->resolveIds($mailbox, $ids, 1);
if ($list_msgs) {
$modseq = $this->_mailboxOb()->getStatus(Horde_Imap_Client::STATUS_HIGHESTMODSEQ);
}
} else {
$ids = $this->resolveIds($mailbox, $ids, ($list_msgs || $use_cache) ? 2 : 1);
}
if (!empty($this->_temp['search_save'])) {
$ids = $this->getIdsOb(Horde_Imap_Client_Ids::SEARCH_RES);
}
} else {
/* Without UIDPLUS, need to temporarily unflag all messages marked
* as deleted but not a part of requested IDs to delete. Use NOT
* searches to accomplish this goal. */
$squery = new Horde_Imap_Client_Search_Query();
$squery->flag(Horde_Imap_Client::FLAG_DELETED, true);
$squery->ids($ids, true);
$s_res = $this->search($mailbox, $squery, array(
'results' => array(
Horde_Imap_Client::SEARCH_RESULTS_MATCH,
Horde_Imap_Client::SEARCH_RESULTS_SAVE
)
));
$this->store($mailbox, array(
'ids' => empty($s_res['save']) ? $s_res['match'] : $this->getIdsOb(Horde_Imap_Client_Ids::SEARCH_RES),
'remove' => array(Horde_Imap_Client::FLAG_DELETED)
));
$unflag = $s_res['match'];
}
if ($list_msgs) {
$expunged_ob = $this->getIdsOb();
$this->_temp['expunged'] = $expunged_ob;
}
/* Always use UID EXPUNGE if available. */
if ($uidplus) {
/* We can only pipeline STORE w/ EXPUNGE if using UIDs and UIDPLUS
* is available. */
if (empty($options['delete'])) {
$pipeline = $this->_pipeline();
} else {
$pipeline = $this->_storeCmd(array(
'add' => array(
Horde_Imap_Client::FLAG_DELETED
),
'ids' => $ids
));
}
foreach ($ids->split(2000) as $val) {
$pipeline->add(
$this->_command('UID EXPUNGE')->add($val)
);
}
$resp = $this->_sendCmd($pipeline);
} else {
if (!empty($options['delete'])) {
$this->store($mailbox, array(
'add' => array(Horde_Imap_Client::FLAG_DELETED),
'ids' => $ids
));
}
if ($use_cache || $list_msgs) {
$this->_sendCmd($this->_command('EXPUNGE'));
} else {
/* This is faster than an EXPUNGE because the server will not
* return untagged EXPUNGE responses. We can only do this if
* we are not updating cache information. */
$this->close(array('expunge' => true));
}
}
unset($this->_temp['expunged']);
if (!empty($unflag)) {
$this->store($mailbox, array(
'add' => array(Horde_Imap_Client::FLAG_DELETED),
'ids' => $unflag
));
}
if (!is_null($modseq) && !empty($resp->data['expunge_seen'])) {
/* There's a chance we actually did a full map of sequence -> UID,
* but this code should never be reached in the first place so
* be ultra-safe and just do a full VANISHED search. */
$expunged_ob = $this->vanished($mailbox, $modseq, array(
'ids' => $ids
));
$this->_deleteMsgs($mailbox, $expunged_ob, array(
'pipeline' => $resp
));
}
return $expunged_ob;
}
/**
* Parse a VANISHED response (RFC 7162 [3.2.10]).
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param Horde_Imap_Client_Tokenize $data The response data.
*/
protected function _parseVanished(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
Horde_Imap_Client_Tokenize $data
)
{
/* There are two forms of VANISHED. VANISHED (EARLIER) will be sent
* in a FETCH (VANISHED) or SELECT/EXAMINE (QRESYNC) call.
* If this is the case, we can go ahead and update the cache
* immediately (we know we are caching or else QRESYNC would not be
* enabled). HIGHESTMODSEQ information will be updated via the tagged
* response. */
if (($curr = $data->next()) === true) {
if (Horde_String::upper($data->next()) === 'EARLIER') {
/* Caching is guaranteed to be active if we are using
* QRESYNC. */
$data->next();
$vanished = $this->getIdsOb($data->next());
if (isset($pipeline->data['vanished'])) {
$pipeline->data['vanished']->add($vanished);
} else {
$this->_deleteMsgs($this->_selected, $vanished, array(
'pipeline' => $pipeline
));
}
}
} else {
/* The second form is just VANISHED. This is analogous to EXPUNGE
* and requires the message count to decrement. */
$this->_deleteMsgs($this->_selected, $this->getIdsOb($curr), array(
'decrement' => true,
'pipeline' => $pipeline
));
}
}
/**
* Search a mailbox. This driver supports all IMAP4rev1 search criteria
* as defined in RFC 3501.
*/
protected function _search($query, $options)
{
$sort_criteria = array(
Horde_Imap_Client::SORT_ARRIVAL => 'ARRIVAL',
Horde_Imap_Client::SORT_CC => 'CC',
Horde_Imap_Client::SORT_DATE => 'DATE',
Horde_Imap_Client::SORT_DISPLAYFROM => 'DISPLAYFROM',
Horde_Imap_Client::SORT_DISPLAYTO => 'DISPLAYTO',
Horde_Imap_Client::SORT_FROM => 'FROM',
Horde_Imap_Client::SORT_REVERSE => 'REVERSE',
Horde_Imap_Client::SORT_RELEVANCY => 'RELEVANCY',
// This is a bogus entry to allow the sort options check to
// correctly work below.
Horde_Imap_Client::SORT_SEQUENCE => 'SEQUENCE',
Horde_Imap_Client::SORT_SIZE => 'SIZE',
Horde_Imap_Client::SORT_SUBJECT => 'SUBJECT',
Horde_Imap_Client::SORT_TO => 'TO'
);
$results_criteria = array(
Horde_Imap_Client::SEARCH_RESULTS_COUNT => 'COUNT',
Horde_Imap_Client::SEARCH_RESULTS_MATCH => 'ALL',
Horde_Imap_Client::SEARCH_RESULTS_MAX => 'MAX',
Horde_Imap_Client::SEARCH_RESULTS_MIN => 'MIN',
Horde_Imap_Client::SEARCH_RESULTS_RELEVANCY => 'RELEVANCY',
Horde_Imap_Client::SEARCH_RESULTS_SAVE => 'SAVE'
);
// Check if the server supports sorting (RFC 5256).
$esearch = $return_sort = $server_seq_sort = $server_sort = false;
if (!empty($options['sort'])) {
/* Make sure sort options are correct. If not, default to no
* sort. */
if (count(array_intersect($options['sort'], array_keys($sort_criteria))) === 0) {
unset($options['sort']);
} else {
$return_sort = true;
if ($this->_capability('SORT')) {
/* Make sure server supports DISPLAYFROM & DISPLAYTO. */
$server_sort =
!array_intersect($options['sort'], array(Horde_Imap_Client::SORT_DISPLAYFROM, Horde_Imap_Client::SORT_DISPLAYTO)) ||
$this->_capability('SORT', 'DISPLAY');
}
/* If doing a sequence sort, need to do this on the client
* side. */
if ($server_sort &&
in_array(Horde_Imap_Client::SORT_SEQUENCE, $options['sort'])) {
$server_sort = false;
/* Optimization: If doing only a sequence sort, just do a
* simple search and sort UIDs/sequences on client side. */
switch (count($options['sort'])) {
case 1:
$server_seq_sort = true;
break;
case 2:
$server_seq_sort = (reset($options['sort']) == Horde_Imap_Client::SORT_REVERSE);
break;
}
}
}
}
$charset = is_null($options['_query']['charset'])
? 'US-ASCII'
: $options['_query']['charset'];
$partial = false;
if ($server_sort) {
$cmd = $this->_command(
empty($options['sequence']) ? 'UID SORT' : 'SORT'
);
$results = array();
// Use ESEARCH (RFC 4466) response if server supports.
$esearch = false;
// Check for ESORT capability (RFC 5267)
if ($this->_capability('ESORT')) {
foreach ($options['results'] as $val) {
if (isset($results_criteria[$val]) &&
($val != Horde_Imap_Client::SEARCH_RESULTS_SAVE)) {
$results[] = $results_criteria[$val];
}
}
$esearch = true;
}
// Add PARTIAL limiting (RFC 5267 [4.4])
if ((!$esearch || !empty($options['partial'])) &&
$this->_capability('CONTEXT', 'SORT')) {
/* RFC 5267 indicates RFC 4466 ESEARCH-like support,
* notwithstanding "real" RFC 4731 support. */
$esearch = true;
if (!empty($options['partial'])) {
/* Can't have both ALL and PARTIAL returns. */
$results = array_diff($results, array('ALL'));
$results[] = 'PARTIAL';
$results[] = $options['partial'];
$partial = true;
}
}
if ($esearch && empty($this->_init['noesearch'])) {
$cmd->add(array(
'RETURN',
new Horde_Imap_Client_Data_Format_List($results)
));
}
$tmp = new Horde_Imap_Client_Data_Format_List();
foreach ($options['sort'] as $val) {
if (isset($sort_criteria[$val])) {
$tmp->add($sort_criteria[$val]);
}
}
$cmd->add($tmp);
/* Charset is mandatory for SORT (RFC 5256 [3]).
* If UTF-8 support is activated, a client MUST ONLY
* send the 'UTF-8' specification (RFC 6855 [3]; Errata 4029). */
if (!$this->_capability()->isEnabled('UTF8=ACCEPT')) {
$cmd->add($charset);
} else {
$cmd->add('UTF-8');
}
} else {
$cmd = $this->_command(
empty($options['sequence']) ? 'UID SEARCH' : 'SEARCH'
);
$esearch = false;
$results = array();
// Check if the server supports ESEARCH (RFC 4731).
if ($this->_capability('ESEARCH')) {
foreach ($options['results'] as $val) {
if (isset($results_criteria[$val])) {
$results[] = $results_criteria[$val];
}
}
$esearch = true;
}
// Add PARTIAL limiting (RFC 5267 [4.4]).
if ((!$esearch || !empty($options['partial'])) &&
$this->_capability('CONTEXT', 'SEARCH')) {
/* RFC 5267 indicates RFC 4466 ESEARCH-like support,
* notwithstanding "real" RFC 4731 support. */
$esearch = true;
if (!empty($options['partial'])) {
// Can't have both ALL and PARTIAL returns.
$results = array_diff($results, array('ALL'));
$results[] = 'PARTIAL';
$results[] = $options['partial'];
$partial = true;
}
}
if ($esearch && empty($this->_init['noesearch'])) {
// Always use ESEARCH if available because it returns results
// in a more compact sequence-set list
$cmd->add(array(
'RETURN',
new Horde_Imap_Client_Data_Format_List($results)
));
}
/* Charset is optional for SEARCH (RFC 3501 [6.4.4]).
* If UTF-8 support is activated, a client MUST NOT
* send the charset specification (RFC 6855 [3]; Errata 4029). */
if (($charset != 'US-ASCII') &&
!$this->_capability()->isEnabled('UTF8=ACCEPT')) {
$cmd->add(array(
'CHARSET',
$options['_query']['charset']
));
}
}
$cmd->add($options['_query']['query'], true);
$pipeline = $this->_pipeline($cmd);
$pipeline->data['esearchresp'] = array();
$er = &$pipeline->data['esearchresp'];
$pipeline->data['searchresp'] = $this->getIdsOb(array(), !empty($options['sequence']));
$sr = &$pipeline->data['searchresp'];
try {
$resp = $this->_sendCmd($pipeline);
} catch (Horde_Imap_Client_Exception $e) {
if (($e instanceof Horde_Imap_Client_Exception_ServerResponse) &&
($e->status === Horde_Imap_Client_Interaction_Server::NO) &&
($charset != 'US-ASCII')) {
/* RFC 3501 [6.4.4]: BADCHARSET response code is only a
* SHOULD return. If it doesn't exist, need to check for
* command status of 'NO'. List of supported charsets in
* the BADCHARSET response has already been parsed and stored
* at this point. */
$this->search_charset->setValid($charset, false);
$e->setCode(Horde_Imap_Client_Exception::BADCHARSET);
}
if (empty($this->_temp['search_retry'])) {
$this->_temp['search_retry'] = true;
/* Bug #9842: Workaround broken Cyrus servers (as of
* 2.4.7). */
if ($esearch && ($charset != 'US-ASCII')) {
$this->_capability()->remove('ESEARCH');
$this->_setInit('noesearch', true);
try {
return $this->_search($query, $options);
} catch (Horde_Imap_Client_Exception $e) {}
}
/* Try to convert charset. */
if (($e->getCode() === Horde_Imap_Client_Exception::BADCHARSET) &&
($charset != 'US-ASCII')) {
foreach ($this->search_charset->charsets as $val) {
$this->_temp['search_retry'] = 1;
$new_query = clone($query);
try {
$new_query->charset($val);
$options['_query'] = $new_query->build($this);
return $this->_search($new_query, $options);
} catch (Horde_Imap_Client_Exception $e) {}
}
}
unset($this->_temp['search_retry']);
}
throw $e;
}
if ($return_sort && !$server_sort) {
if ($server_seq_sort) {
$sr->sort();
if (reset($options['sort']) == Horde_Imap_Client::SORT_REVERSE) {
$sr->reverse();
}
} else {
if (!isset($this->_temp['clientsort'])) {
$this->_temp['clientsort'] = new Horde_Imap_Client_Socket_ClientSort($this);
}
$sr = $this->getIdsOb($this->_temp['clientsort']->clientSort($sr, $options), !empty($options['sequence']));
}
}
if (!$partial && !empty($options['partial'])) {
$partial = $this->getIdsOb($options['partial'], true);
$min = $partial->min - 1;
$sr = $this->getIdsOb(
array_slice($sr->ids, $min, $partial->max - $min),
!empty($options['sequence'])
);
}
$ret = array();
foreach ($options['results'] as $val) {
switch ($val) {
case Horde_Imap_Client::SEARCH_RESULTS_COUNT:
$ret['count'] = ($esearch && !$partial)
? $er['count']
: count($sr);
break;
case Horde_Imap_Client::SEARCH_RESULTS_MATCH:
$ret['match'] = $sr;
break;
case Horde_Imap_Client::SEARCH_RESULTS_MAX:
$ret['max'] = $esearch
? (!$partial && isset($er['max']) ? $er['max'] : null)
: (count($sr) ? max($sr->ids) : null);
break;
case Horde_Imap_Client::SEARCH_RESULTS_MIN:
$ret['min'] = $esearch
? (!$partial && isset($er['min']) ? $er['min'] : null)
: (count($sr) ? min($sr->ids) : null);
break;
case Horde_Imap_Client::SEARCH_RESULTS_RELEVANCY:
$ret['relevancy'] = ($esearch && isset($er['relevancy'])) ? $er['relevancy'] : array();
break;
case Horde_Imap_Client::SEARCH_RESULTS_SAVE:
$this->_temp['search_save'] = $ret['save'] = $esearch ? empty($resp->data['searchnotsaved']) : false;
break;
}
}
// Add modseq data, if needed.
if (!empty($er['modseq'])) {
$ret['modseq'] = $er['modseq'];
}
unset($this->_temp['search_retry']);
/* Check for EXPUNGEISSUED (RFC 2180 [4.3]/RFC 5530 [3]). */
if (!empty($resp->data['expungeissued'])) {
$this->noop();
}
return $ret;
}
/**
* Parse a SEARCH/SORT response (RFC 3501 [7.2.5]; RFC 4466 [3];
* RFC 5256 [4]; RFC 5267 [3]).
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param array $data A list of IDs (message sequence numbers or UIDs).
*/
protected function _parseSearch(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
$data
)
{
/* More than one search response may be sent. */
$pipeline->data['searchresp']->add($data);
}
/**
* Parse an ESEARCH response (RFC 4466 [2.6.2])
* Format: (TAG "a567") UID COUNT 5 ALL 4:19,21,28
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param Horde_Imap_Client_Tokenize $data The server response.
*/
protected function _parseEsearch(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
Horde_Imap_Client_Tokenize $data
)
{
// Ignore search correlator information
if ($data->next() === true) {
$data->flushIterator(false);
}
// Ignore UID tag
$current = $data->next();
if (Horde_String::upper($current) === 'UID') {
$current = $data->next();
}
do {
$val = $data->next();
$tag = Horde_String::upper($current);
switch ($tag) {
case 'ALL':
$this->_parseSearch($pipeline, $val);
break;
case 'COUNT':
case 'MAX':
case 'MIN':
case 'MODSEQ':
case 'RELEVANCY':
$pipeline->data['esearchresp'][Horde_String::lower($tag)] = $val;
break;
case 'PARTIAL':
// RFC 5267 [4.4]
$partial = $val->flushIterator();
$this->_parseSearch($pipeline, end($partial));
break;
}
} while (($current = $data->next()) !== false);
}
/**
*/
protected function _setComparator($comparator)
{
$cmd = $this->_command('COMPARATOR');
foreach ($comparator as $val) {
$cmd->add(new Horde_Imap_Client_Data_Format_Astring($val));
}
$this->_sendCmd($cmd);
}
/**
*/
protected function _getComparator()
{
$resp = $this->_sendCmd($this->_command('COMPARATOR'));
return isset($resp->data['comparator'])
? $resp->data['comparator']
: null;
}
/**
* Parse a COMPARATOR response (RFC 5255 [4.8])
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param Horde_Imap_Client_Tokenize $data The server response.
*/
protected function _parseComparator(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
$data
)
{
$pipeline->data['comparator'] = $data->next();
// Ignore optional matching comparator list
}
/**
* @throws Horde_Imap_Client_Exception_NoSupportExtension
*/
protected function _thread($options)
{
$thread_criteria = array(
Horde_Imap_Client::THREAD_ORDEREDSUBJECT => 'ORDEREDSUBJECT',
Horde_Imap_Client::THREAD_REFERENCES => 'REFERENCES',
Horde_Imap_Client::THREAD_REFS => 'REFS'
);
$tsort = (isset($options['criteria']))
? (is_string($options['criteria']) ? Horde_String::upper($options['criteria']) : $thread_criteria[$options['criteria']])
: 'ORDEREDSUBJECT';
if (!$this->_capability('THREAD', $tsort)) {
switch ($tsort) {
case 'ORDEREDSUBJECT':
if (empty($options['search'])) {
$ids = $this->getIdsOb(Horde_Imap_Client_Ids::ALL, !empty($options['sequence']));
} else {
$search_res = $this->search($this->_selected, $options['search'], array('sequence' => !empty($options['sequence'])));
$ids = $search_res['match'];
}
/* Do client-side ORDEREDSUBJECT threading. */
$query = new Horde_Imap_Client_Fetch_Query();
$query->envelope();
$query->imapDate();
$fetch_res = $this->fetch($this->_selected, $query, array(
'ids' => $ids
));
if (!isset($this->_temp['clientsort'])) {
$this->_temp['clientsort'] = new Horde_Imap_Client_Socket_ClientSort($this);
}
return $this->_temp['clientsort']->threadOrderedSubject($fetch_res, empty($options['sequence']));
case 'REFERENCES':
case 'REFS':
throw new Horde_Imap_Client_Exception_NoSupportExtension(
'THREAD',
sprintf('Server does not support "%s" thread sort.', $tsort)
);
}
}
$cmd = $this->_command(
empty($options['sequence']) ? 'UID THREAD' : 'THREAD'
)->add($tsort);
/* If UTF-8 support is activated, a client MUST send the UTF-8
* charset specification since charset is mandatory for this
* command (RFC 6855 [3]; Errata 4029). */
if (empty($options['search'])) {
if (!$this->_capability()->isEnabled('UTF8=ACCEPT')) {
$cmd->add('US-ASCII');
} else {
$cmd->add('UTF-8');
}
$cmd->add('ALL');
} else {
$search_query = $options['search']->build();
if (!$this->_capability()->isEnabled('UTF8=ACCEPT')) {
$cmd->add(is_null($search_query['charset']) ? 'US-ASCII' : $search_query['charset']);
}
$cmd->add($search_query['query'], true);
}
return new Horde_Imap_Client_Data_Thread(
$this->_sendCmd($cmd)->data['threadparse'],
empty($options['sequence']) ? 'uid' : 'sequence'
);
}
/**
* Parse a THREAD response (RFC 5256 [4]).
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param Horde_Imap_Client_Tokenize $data Thread data.
*/
protected function _parseThread(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
Horde_Imap_Client_Tokenize $data
)
{
$out = array();
while ($data->next() !== false) {
$thread = array();
$this->_parseThreadLevel($thread, $data);
$out[] = $thread;
}
$pipeline->data['threadparse'] = $out;
}
/**
* Parse a level of a THREAD response (RFC 5256 [4]).
*
* @param array $thread Results.
* @param Horde_Imap_Client_Tokenize $data Thread data.
* @param integer $level The current tree level.
*/
protected function _parseThreadLevel(&$thread,
Horde_Imap_Client_Tokenize $data,
$level = 0)
{
while (($curr = $data->next()) !== false) {
if ($curr === true) {
$this->_parseThreadLevel($thread, $data, $level);
} elseif (!is_bool($curr)) {
$thread[$curr] = $level++;
}
}
}
/**
*/
protected function _fetch(Horde_Imap_Client_Fetch_Results $results,
$queries)
{
$pipeline = $this->_pipeline();
$pipeline->data['fetch_lookup'] = array();
$pipeline->data['fetch_followup'] = array();
foreach ($queries as $options) {
$this->_fetchCmd($pipeline, $options);
$sequence = $options['ids']->sequence;
}
try {
$resp = $this->_sendCmd($pipeline);
/* Check for EXPUNGEISSUED (RFC 2180 [4.1]/RFC 5530 [3]). */
if (!empty($resp->data['expungeissued'])) {
$this->noop();
}
foreach ($resp->fetch as $k => $v) {
$results->get($sequence ? $k : $v->getUid())->merge($v);
}
} catch (Horde_Imap_Client_Exception_ServerResponse $e) {
if ($e->status === Horde_Imap_Client_Interaction_Server::NO) {
if ($e->getCode() === $e::UNKNOWNCTE ||
$e->getCode() === $e::PARSEERROR) {
/* UNKNOWN-CTE error. Redo the query without the BINARY
* elements. Also include PARSEERROR in this as
* Dovecot >= 2.2 binary fetch treats broken email as PARSE
* error and no longer UNKNOWN-CTE
*/
if (!empty($pipeline->data['binaryquery'])) {
foreach ($queries as $val) {
foreach ($pipeline->data['binaryquery'] as $key2 => $val2) {
unset($val2['decode']);
$val['_query']->bodyPart($key2, $val2);
$val['_query']->remove(Horde_Imap_Client::FETCH_BODYPARTSIZE, $key2);
}
$pipeline->data['fetch_followup'][] = $val;
}
} else {
$this->noop();
}
} elseif ($sequence) {
/* A NO response, when coupled with a sequence FETCH, most
* likely means that messages were expunged. (RFC 2180
* [4.1]) */
$this->noop();
}
}
} catch (Exception $e) {
// For any other error, ignore the Exception - fetch() is nice in
// that the return value explicitly handles missing data for any
// given message.
}
if (!empty($pipeline->data['fetch_followup'])) {
$this->_fetch($results, $pipeline->data['fetch_followup']);
}
}
/**
* Add a FETCH command to the given pipeline.
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param array $options Fetch query
* options
*/
protected function _fetchCmd(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
$options
)
{
$fetch = new Horde_Imap_Client_Data_Format_List();
$sequence = $options['ids']->sequence;
/* Build an IMAP4rev1 compliant FETCH query. We handle the following
* criteria:
* BINARY[.PEEK][<section #>]<<partial>> (RFC 3516)
* see BODY[] response
* BINARY.SIZE[<section #>] (RFC 3516)
* BODY[.PEEK][<section>]<<partial>>
* <section> = HEADER, HEADER.FIELDS, HEADER.FIELDS.NOT, MIME,
* TEXT, empty
* <<partial>> = 0.# (# of bytes)
* BODYSTRUCTURE
* ENVELOPE
* FLAGS
* INTERNALDATE
* MODSEQ (RFC 7162)
* RFC822.SIZE
* UID
*
* No need to support these (can be built from other queries):
* ===========================================================
* ALL macro => (FLAGS INTERNALDATE RFC822.SIZE ENVELOPE)
* BODY => Use BODYSTRUCTURE instead
* FAST macro => (FLAGS INTERNALDATE RFC822.SIZE)
* FULL macro => (FLAGS INTERNALDATE RFC822.SIZE ENVELOPE BODY)
* RFC822 => BODY[]
* RFC822.HEADER => BODY[HEADER]
* RFC822.TEXT => BODY[TEXT]
*/
foreach ($options['_query'] as $type => $c_val) {
switch ($type) {
case Horde_Imap_Client::FETCH_STRUCTURE:
$fetch->add('BODYSTRUCTURE');
break;
case Horde_Imap_Client::FETCH_FULLMSG:
if (empty($c_val['peek'])) {
$this->openMailbox($this->_selected, Horde_Imap_Client::OPEN_READWRITE);
}
$fetch->add(
'BODY' .
(!empty($c_val['peek']) ? '.PEEK' : '') .
'[]' .
$this->_partialAtom($c_val)
);
break;
case Horde_Imap_Client::FETCH_HEADERTEXT:
case Horde_Imap_Client::FETCH_BODYTEXT:
case Horde_Imap_Client::FETCH_MIMEHEADER:
case Horde_Imap_Client::FETCH_BODYPART:
case Horde_Imap_Client::FETCH_HEADERS:
foreach ($c_val as $key => $val) {
$cmd = ($key == 0)
? ''
: $key . '.';
$main_cmd = 'BODY';
switch ($type) {
case Horde_Imap_Client::FETCH_HEADERTEXT:
$cmd .= 'HEADER';
break;
case Horde_Imap_Client::FETCH_BODYTEXT:
$cmd .= 'TEXT';
break;
case Horde_Imap_Client::FETCH_MIMEHEADER:
$cmd .= 'MIME';
break;
case Horde_Imap_Client::FETCH_BODYPART:
// Remove the last dot from the string.
$cmd = substr($cmd, 0, -1);
if (!empty($val['decode']) &&
$this->_capability('BINARY')) {
$main_cmd = 'BINARY';
$pipeline->data['binaryquery'][$key] = $val;
}
break;
case Horde_Imap_Client::FETCH_HEADERS:
$cmd .= 'HEADER.FIELDS';
if (!empty($val['notsearch'])) {
$cmd .= '.NOT';
}
$cmd .= ' (' . implode(' ', array_map('Horde_String::upper', $val['headers'])) . ')';
// Maintain a command -> label lookup so we can put
// the results in the proper location.
$pipeline->data['fetch_lookup'][$cmd] = $key;
}
if (empty($val['peek'])) {
$this->openMailbox($this->_selected, Horde_Imap_Client::OPEN_READWRITE);
}
$fetch->add(
$main_cmd .
(!empty($val['peek']) ? '.PEEK' : '') .
'[' . $cmd . ']' .
$this->_partialAtom($val)
);
}
break;
case Horde_Imap_Client::FETCH_BODYPARTSIZE:
if ($this->_capability('BINARY')) {
foreach ($c_val as $val) {
$fetch->add('BINARY.SIZE[' . $val . ']');
}
}
break;
case Horde_Imap_Client::FETCH_ENVELOPE:
$fetch->add('ENVELOPE');
break;
case Horde_Imap_Client::FETCH_FLAGS:
$fetch->add('FLAGS');
break;
case Horde_Imap_Client::FETCH_IMAPDATE:
$fetch->add('INTERNALDATE');
break;
case Horde_Imap_Client::FETCH_SIZE:
$fetch->add('RFC822.SIZE');
break;
case Horde_Imap_Client::FETCH_UID:
/* A UID FETCH will always return UID information (RFC 3501
* [6.4.8]). Don't add to query as it just creates a longer
* FETCH command. */
if ($sequence) {
$fetch->add('UID');
}
break;
case Horde_Imap_Client::FETCH_SEQ:
/* Nothing we need to add to fetch request unless sequence is
* the only criteria (see below). */
break;
case Horde_Imap_Client::FETCH_MODSEQ:
/* The 'changedsince' modifier implicitly adds the MODSEQ
* FETCH item (RFC 7162 [3.1.4.1]). Don't add to query as it
* just creates a longer FETCH command. */
if (empty($options['changedsince'])) {
$fetch->add('MODSEQ');
}
break;
}
}
/* If empty fetch, add UID to make command valid. */
if (!count($fetch)) {
$fetch->add('UID');
}
/* Add changedsince parameters. */
if (empty($options['changedsince'])) {
$fetch_cmd = $fetch;
} else {
/* We might just want the list of UIDs changed since a given
* modseq. In that case, we don't have any other FETCH attributes,
* but RFC 3501 requires at least one specified attribute. */
$fetch_cmd = array(
$fetch,
new Horde_Imap_Client_Data_Format_List(array(
'CHANGEDSINCE',
new Horde_Imap_Client_Data_Format_Number($options['changedsince'])
))
);
}
/* The FETCH command should be the only command issued by this library
* that should ever approach the command length limit.
* @todo Move this check to a more centralized location (_command()?).
* For simplification, assume that the UID list is the limiting factor
* and split this list at a sequence comma delimiter if it exceeds
* the character limit. */
foreach ($options['ids']->split($this->_capability()->cmdlength) as $val) {
$cmd = $this->_command(
$sequence ? 'FETCH' : 'UID FETCH'
)->add(array(
$val,
$fetch_cmd
));
$pipeline->add($cmd);
}
}
/**
* Add a partial atom to an IMAP command based on the criteria options.
*
* @param array $opts Criteria options.
*
* @return string The partial atom.
*/
protected function _partialAtom($opts)
{
if (!empty($opts['length'])) {
return '<' . (empty($opts['start']) ? 0 : intval($opts['start'])) . '.' . intval($opts['length']) . '>';
}
return empty($opts['start'])
? ''
: ('<' . intval($opts['start']) . '>');
}
/**
* Parse a FETCH response (RFC 3501 [7.4.2]). A FETCH response may occur
* due to a FETCH command, or due to a change in a message's state (i.e.
* the flags change).
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param integer $id The message sequence number.
* @param Horde_Imap_Client_Tokenize $data The server response.
*/
protected function _parseFetch(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
$id,
Horde_Imap_Client_Tokenize $data
)
{
if ($data->next() !== true) {
return;
}
$ob = $pipeline->fetch->get($id);
$ob->setSeq($id);
$flags = $modseq = $uid = false;
while (($tag = $data->next()) !== false) {
$tag = Horde_String::upper($tag);
/* Catch equivalent RFC822 tags, in case server returns them
* (in error, since we only use BODY in FETCH requests). */
switch ($tag) {
case 'RFC822':
$tag = 'BODY[]';
break;
case 'RFC822.HEADER':
$tag = 'BODY[HEADER]';
break;
case 'RFC822.TEXT':
$tag = 'BODY[TEXT]';
break;
}
switch ($tag) {
case 'BODYSTRUCTURE':
$data->next();
$structure = $this->_parseBodystructure($data);
$structure->buildMimeIds();
$ob->setStructure($structure);
break;
case 'ENVELOPE':
$data->next();
$ob->setEnvelope($this->_parseEnvelope($data));
break;
case 'FLAGS':
$data->next();
$ob->setFlags($data->flushIterator());
$flags = true;
break;
case 'INTERNALDATE':
$ob->setImapDate($data->next());
break;
case 'RFC822.SIZE':
$ob->setSize($data->next());
break;
case 'UID':
$ob->setUid($data->next());
$uid = true;
break;
case 'MODSEQ':
$data->next();
$modseq = $data->next();
$data->next();
/* MODSEQ must be greater than 0, so do sanity checking. */
if ($modseq > 0) {
$ob->setModSeq($modseq);
/* Store MODSEQ value. It may be used as the highestmodseq
* once a tagged response is received (RFC 7162 [6]). */
$pipeline->data['modseqs'][] = $modseq;
}
break;
default:
// Catch BODY[*]<#> responses
if (strpos($tag, 'BODY[') === 0) {
// Remove the beginning 'BODY['
$tag = substr($tag, 5);
// BODY[HEADER.FIELDS] request
if (!empty($pipeline->data['fetch_lookup']) &&
(strpos($tag, 'HEADER.FIELDS') !== false)) {
$data->next();
$sig = $tag . ' (' . implode(' ', array_map('Horde_String::upper', $data->flushIterator())) . ')';
// Ignore the trailing bracket
$data->next();
$ob->setHeaders($pipeline->data['fetch_lookup'][$sig], $data->next());
} else {
// Remove trailing bracket and octet start info
$tag = substr($tag, 0, strrpos($tag, ']'));
if (!strlen($tag)) {
// BODY[] request
if (!is_null($tmp = $data->nextStream())) {
$ob->setFullMsg($tmp);
}
} elseif (is_numeric(substr($tag, -1))) {
// BODY[MIMEID] request
if (!is_null($tmp = $data->nextStream())) {
$ob->setBodyPart($tag, $tmp);
}
} else {
// BODY[HEADER|TEXT|MIME] request
if (($last_dot = strrpos($tag, '.')) === false) {
$mime_id = 0;
} else {
$mime_id = substr($tag, 0, $last_dot);
$tag = substr($tag, $last_dot + 1);
}
if (!is_null($tmp = $data->nextStream())) {
switch ($tag) {
case 'HEADER':
$ob->setHeaderText($mime_id, $tmp);
break;
case 'TEXT':
$ob->setBodyText($mime_id, $tmp);
break;
case 'MIME':
$ob->setMimeHeader($mime_id, $tmp);
break;
}
}
}
}
} elseif (strpos($tag, 'BINARY[') === 0) {
// Catch BINARY[*]<#> responses
// Remove the beginning 'BINARY[' and the trailing bracket
// and octet start info
$tag = substr($tag, 7, strrpos($tag, ']') - 7);
$body = $data->nextStream();
if (is_null($body)) {
/* Dovecot bug (as of 2.2.12): binary fetch of body
* part may fail with NIL return if decoding failed on
* server. Try again with non-decoded body. */
$bq = $pipeline->data['binaryquery'][$tag];
unset($bq['decode']);
$query = new Horde_Imap_Client_Fetch_Query();
$query->bodyPart($tag, $bq);
$qids = ($quid = $ob->getUid())
? new Horde_Imap_Client_Ids($quid)
: new Horde_Imap_Client_Ids($id, true);
$pipeline->data['fetch_followup'][] = array(
'_query' => $query,
'ids' => $qids
);
} else {
$ob->setBodyPart(
$tag,
$body,
empty($this->_temp['literal8']) ? '8bit' : 'binary'
);
}
} elseif (strpos($tag, 'BINARY.SIZE[') === 0) {
// Catch BINARY.SIZE[*] responses
// Remove the beginning 'BINARY.SIZE[' and the trailing
// bracket and octet start info
$tag = substr($tag, 12, strrpos($tag, ']') - 12);
$ob->setBodyPartSize($tag, $data->next());
}
break;
}
}
/* MODSEQ issue: Oh joy. Per RFC 5162 (see Errata #1807), FETCH FLAGS
* responses are NOT required to provide UID information, even if
* QRESYNC is explicitly enabled. Caveat: the FLAGS information
* returned during a SELECT/EXAMINE MUST contain UIDs so we are OK
* there.
* The good news: all decent IMAP servers (Cyrus, Dovecot) will always
* provide UID information, so this is not normally an issue.
* The bad news: spec-wise, this behavior cannot be 100% guaranteed.
* Compromise: We will watch for a FLAGS response with a MODSEQ and
* check if a UID exists also. If not, put the sequence number in a
* queue - it is possible the UID information may appear later in an
* untagged response. When the command is over, double check to make
* sure there are none of these MODSEQ/FLAGS that are still UID-less.
* In the (rare) event that there is, don't cache anything and
* immediately close the mailbox: flags will be correctly sync'd next
* mailbox open so we only lose a bit of caching efficiency.
* Otherwise, we could end up with an inconsistent cached state.
* This Errata has been fixed in 7162 [3.2.4]. */
if ($flags && $modseq && !$uid) {
$pipeline->data['modseqs_nouid'][] = $id;
}
}
/**
* Recursively parse BODYSTRUCTURE data from a FETCH return (see
* RFC 3501 [7.4.2]).
*
* @param Horde_Imap_Client_Tokenize $data Data returned from the server.
*
* @return Horde_Mime_Part Mime part object.
*/
protected function _parseBodystructure(Horde_Imap_Client_Tokenize $data)
{
$ob = new Horde_Mime_Part();
// If index 0 is an array, this is a multipart part.
if (($entry = $data->next()) === true) {
do {
$ob->addPart($this->_parseBodystructure($data));
} while (($entry = $data->next()) === true);
// The subpart type.
$ob->setType('multipart/' . $entry);
// After the subtype is further extension information. This
// information MAY appear for BODYSTRUCTURE requests.
// This is parameter information.
if (($tmp = $data->next()) === false) {
return $ob;
} elseif ($tmp === true) {
foreach ($this->_parseStructureParams($data) as $key => $val) {
$ob->setContentTypeParameter($key, $val);
}
}
} else {
$ob->setType($entry . '/' . $data->next());
if ($data->next() === true) {
foreach ($this->_parseStructureParams($data) as $key => $val) {
$ob->setContentTypeParameter($key, $val);
}
}
if (!is_null($tmp = $data->next())) {
$ob->setContentId($tmp);
}
if (!is_null($tmp = $data->next())) {
$ob->setDescription(Horde_Mime::decode($tmp));
}
$te = $data->next();
$bytes = $data->next();
if (!is_null($te)) {
$ob->setTransferEncoding($te);
/* Base64 transfer encoding is approx. 33% larger than
* original data size (RFC 2045 [6.8]). Return from
* BODYSTRUCTURE is the size of the ENCODED data (RFC 3501
* [7.4.2]). */
if (strcasecmp($te, 'base64') === 0) {
$bytes *= 0.75;
}
}
$ob->setBytes($bytes);
// If the type is 'message/rfc822' or 'text/*', several extra
// fields are included
switch ($ob->getPrimaryType()) {
case 'message':
if ($ob->getSubType() == 'rfc822') {
if ($data->next() === true) {
// Ignore: envelope
$data->flushIterator(false);
}
if ($data->next() === true) {
$ob->addPart($this->_parseBodystructure($data));
}
$data->next(); // Ignore: lines
}
break;
case 'text':
$data->next(); // Ignore: lines
break;
}
// After the subtype is further extension information. This
// information MAY appear for BODYSTRUCTURE requests.
// Ignore: MD5
if ($data->next() === false) {
return $ob;
}
}
// This is disposition information
if (($tmp = $data->next()) === false) {
return $ob;
} elseif ($tmp === true) {
$ob->setDisposition($data->next());
if ($data->next() === true) {
foreach ($this->_parseStructureParams($data) as $key => $val) {
$ob->setDispositionParameter($key, $val);
}
}
$data->next();
}
// This is language information. It is either a single value or a list
// of values.
if (($tmp = $data->next()) === false) {
return $ob;
} elseif (!is_null($tmp)) {
$ob->setLanguage(($tmp === true) ? $data->flushIterator() : $tmp);
}
// Ignore location (RFC 2557) and consume closing paren.
$data->flushIterator(false);
return $ob;
}
/**
* Helper function to parse a parameters-like tokenized array.
*
* @param mixed $data Message data. Either a Horde_Imap_Client_Tokenize
* object or null.
*
* @return array The parameter array.
*/
protected function _parseStructureParams($data)
{
$params = array();
if (is_null($data)) {
return $params;
}
while (($name = $data->next()) !== false) {
$params[Horde_String::lower($name)] = $data->next();
}
$cp = new Horde_Mime_Headers_ContentParam('Unused', $params);
return $cp->params;
}
/**
* Parse ENVELOPE data from a FETCH return (see RFC 3501 [7.4.2]).
*
* @param Horde_Imap_Client_Tokenize $data Data returned from the server.
*
* @return Horde_Imap_Client_Data_Envelope An envelope object.
*/
protected function _parseEnvelope(Horde_Imap_Client_Tokenize $data)
{
// 'route', the 2nd element, is deprecated by RFC 2822.
$addr_structure = array(
0 => 'personal',
2 => 'mailbox',
3 => 'host'
);
$env_data = array(
0 => 'date',
1 => 'subject',
2 => 'from',
3 => 'sender',
4 => 'reply_to',
5 => 'to',
6 => 'cc',
7 => 'bcc',
8 => 'in_reply_to',
9 => 'message_id'
);
$addr_ob = new Horde_Mail_Rfc822_Address();
$env_addrs = $this->getParam('envelope_addrs');
$env_str = $this->getParam('envelope_string');
$key = 0;
$ret = new Horde_Imap_Client_Data_Envelope();
while (($val = $data->next()) !== false) {
if (!isset($env_data[$key]) || is_null($val)) {
++$key;
continue;
}
if (is_string($val)) {
// These entries are text fields.
$ret->{$env_data[$key]} = substr($val, 0, $env_str);
} else {
// These entries are address structures.
$group = null;
$key2 = 0;
$tmp = new Horde_Mail_Rfc822_List();
while ($data->next() !== false) {
$a_val = $data->flushIterator();
// RFC 3501 [7.4.2]: Group entry when host is NIL.
// Group end when mailbox is NIL; otherwise, this is
// mailbox name.
if (is_null($a_val[3])) {
if (is_null($a_val[2])) {
$group = null;
} else {
$group = new Horde_Mail_Rfc822_Group($a_val[2]);
$tmp->add($group);
}
} else {
$addr = clone $addr_ob;
foreach ($addr_structure as $add_key => $add_val) {
if (!is_null($a_val[$add_key])) {
$addr->$add_val = $a_val[$add_key];
}
}
if ($group) {
$group->addresses->add($addr);
} else {
$tmp->add($addr);
}
}
if (++$key2 >= $env_addrs) {
$data->flushIterator(false);
break;
}
}
$ret->{$env_data[$key]} = $tmp;
}
++$key;
}
return $ret;
}
/**
*/
protected function _vanished($modseq, Horde_Imap_Client_Ids $ids)
{
$pipeline = $this->_pipeline(
$this->_command('UID FETCH')->add(array(
strval($ids),
'UID',
new Horde_Imap_Client_Data_Format_List(array(
'VANISHED',
'CHANGEDSINCE',
new Horde_Imap_Client_Data_Format_Number($modseq)
))
))
);
$pipeline->data['vanished'] = $this->getIdsOb();
return $this->_sendCmd($pipeline)->data['vanished'];
}
/**
*/
protected function _store($options)
{
$pipeline = $this->_storeCmd($options);
$pipeline->data['modified'] = $this->getIdsOb();
try {
$resp = $this->_sendCmd($pipeline);
/* Check for EXPUNGEISSUED (RFC 2180 [4.2]/RFC 5530 [3]). */
if (!empty($resp->data['expungeissued'])) {
$this->noop();
}
return $resp->data['modified'];
} catch (Horde_Imap_Client_Exception_ServerResponse $e) {
/* A NO response, when coupled with a sequence STORE and
* non-SILENT behavior, most likely means that messages were
* expunged. RFC 2180 [4.2] */
if (empty($pipeline->data['store_silent']) &&
!empty($options['sequence']) &&
($e->status === Horde_Imap_Client_Interaction_Server::NO)) {
$this->noop();
}
return $pipeline->data['modified'];
}
}
/**
* Create a store command.
*
* @param array $options See Horde_Imap_Client_Base#_store().
*
* @return Horde_Imap_Client_Interaction_Pipeline Pipeline object.
*/
protected function _storeCmd($options)
{
$cmds = array();
$silent = empty($options['unchangedsince'])
? !($this->_debug->debug || $this->_initCache(true))
: false;
if (!empty($options['replace'])) {
$cmds[] = array(
'FLAGS' . ($silent ? '.SILENT' : ''),
$options['replace']
);
} else {
foreach (array('add' => '+', 'remove' => '-') as $k => $v) {
if (!empty($options[$k])) {
$cmds[] = array(
$v . 'FLAGS' . ($silent ? '.SILENT' : ''),
$options[$k]
);
}
}
}
$pipeline = $this->_pipeline();
$pipeline->data['store_silent'] = $silent;
foreach ($cmds as $val) {
$cmd = $this->_command(
empty($options['sequence']) ? 'UID STORE' : 'STORE'
)->add(strval($options['ids']));
if (!empty($options['unchangedsince'])) {
$cmd->add(new Horde_Imap_Client_Data_Format_List(array(
'UNCHANGEDSINCE',
new Horde_Imap_Client_Data_Format_Number(intval($options['unchangedsince']))
)));
}
$cmd->add($val);
$pipeline->add($cmd);
}
return $pipeline;
}
/**
*/
protected function _copy(Horde_Imap_Client_Mailbox $dest, $options)
{
/* Check for MOVE command (RFC 6851). */
$move_cmd = (!empty($options['move']) &&
$this->_capability('MOVE'));
$cmd = $this->_pipeline(
$this->_command(
($options['ids']->sequence ? '' : 'UID ') . ($move_cmd ? 'MOVE' : 'COPY')
)->add(array(
strval($options['ids']),
$this->_getMboxFormatOb($dest)
))
);
$cmd->data['copydest'] = $dest;
// COPY returns no untagged information (RFC 3501 [6.4.7])
try {
$resp = $this->_sendCmd($cmd);
} catch (Horde_Imap_Client_Exception $e) {
if (!empty($options['create']) &&
!empty($e->resp_data['trycreate'])) {
$this->createMailbox($dest);
unset($options['create']);
return $this->_copy($dest, $options);
}
throw $e;
}
// If moving, delete the old messages now. Short-circuit if nothing
// was moved.
if (!$move_cmd &&
!empty($options['move']) &&
(isset($resp->data['copyuid']) ||
!$this->_capability('UIDPLUS'))) {
$this->expunge($this->_selected, array(
'delete' => true,
'ids' => $options['ids']
));
}
return isset($resp->data['copyuid'])
? $resp->data['copyuid']
: true;
}
/**
*/
protected function _setQuota(Horde_Imap_Client_Mailbox $root, $resources)
{
$limits = new Horde_Imap_Client_Data_Format_List();
foreach ($resources as $key => $val) {
$limits->add(array(
Horde_String::upper($key),
new Horde_Imap_Client_Data_Format_Number($val)
));
}
$this->_sendCmd(
$this->_command('SETQUOTA')->add(array(
$this->_getMboxFormatOb($root),
$limits
))
);
}
/**
*/
protected function _getQuota(Horde_Imap_Client_Mailbox $root)
{
$pipeline = $this->_pipeline(
$this->_command('GETQUOTA')->add(
$this->_getMboxFormatOb($root)
)
);
$pipeline->data['quotaresp'] = array();
return reset($this->_sendCmd($pipeline)->data['quotaresp']);
}
/**
* Parse a QUOTA response (RFC 2087 [5.1]).
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param Horde_Imap_Client_Tokenize $data The server response.
*/
protected function _parseQuota(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
Horde_Imap_Client_Tokenize $data
)
{
$c = &$pipeline->data['quotaresp'];
$root = $data->next();
$c[$root] = array();
$data->next();
while (($curr = $data->next()) !== false) {
$c[$root][Horde_String::lower($curr)] = array(
'usage' => $data->next(),
'limit' => $data->next()
);
}
}
/**
*/
protected function _getQuotaRoot(Horde_Imap_Client_Mailbox $mailbox)
{
$pipeline = $this->_pipeline(
$this->_command('GETQUOTAROOT')->add(
$this->_getMboxFormatOb($mailbox)
)
);
$pipeline->data['quotaresp'] = array();
return $this->_sendCmd($pipeline)->data['quotaresp'];
}
/**
*/
protected function _setACL(Horde_Imap_Client_Mailbox $mailbox, $identifier,
$options)
{
// SETACL returns no untagged information (RFC 4314 [3.1]).
$this->_sendCmd(
$this->_command('SETACL')->add(array(
$this->_getMboxFormatOb($mailbox),
new Horde_Imap_Client_Data_Format_Astring($identifier),
new Horde_Imap_Client_Data_Format_Astring($options['rights'])
))
);
}
/**
*/
protected function _deleteACL(Horde_Imap_Client_Mailbox $mailbox, $identifier)
{
// DELETEACL returns no untagged information (RFC 4314 [3.2]).
$this->_sendCmd(
$this->_command('DELETEACL')->add(array(
$this->_getMboxFormatOb($mailbox),
new Horde_Imap_Client_Data_Format_Astring($identifier)
))
);
}
/**
*/
protected function _getACL(Horde_Imap_Client_Mailbox $mailbox)
{
return $this->_sendCmd(
$this->_command('GETACL')->add(
$this->_getMboxFormatOb($mailbox)
)
)->data['getacl'];
}
/**
* Parse an ACL response (RFC 4314 [3.6]).
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param Horde_Imap_Client_Tokenize $data The server response.
*/
protected function _parseACL(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
Horde_Imap_Client_Tokenize $data
)
{
$acl = array();
// Ignore mailbox argument -> index 1
$data->next();
while (($curr = $data->next()) !== false) {
$acl[$curr] = ($curr[0] === '-')
? new Horde_Imap_Client_Data_AclNegative($data->next())
: new Horde_Imap_Client_Data_Acl($data->next());
}
$pipeline->data['getacl'] = $acl;
}
/**
*/
protected function _listACLRights(Horde_Imap_Client_Mailbox $mailbox,
$identifier)
{
$resp = $this->_sendCmd(
$this->_command('LISTRIGHTS')->add(array(
$this->_getMboxFormatOb($mailbox),
new Horde_Imap_Client_Data_Format_Astring($identifier)
))
);
return isset($resp->data['listaclrights'])
? $resp->data['listaclrights']
: new Horde_Imap_Client_Data_AclRights();
}
/**
* Parse a LISTRIGHTS response (RFC 4314 [3.7]).
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param Horde_Imap_Client_Tokenize $data The server response.
*/
protected function _parseListRights(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
Horde_Imap_Client_Tokenize $data
)
{
// Ignore mailbox and identifier arguments
$data->next();
$data->next();
$pipeline->data['listaclrights'] = new Horde_Imap_Client_Data_AclRights(
str_split($data->next()),
$data->flushIterator()
);
}
/**
*/
protected function _getMyACLRights(Horde_Imap_Client_Mailbox $mailbox)
{
$resp = $this->_sendCmd(
$this->_command('MYRIGHTS')->add(
$this->_getMboxFormatOb($mailbox)
)
);
return isset($resp->data['myrights'])
? $resp->data['myrights']
: new Horde_Imap_Client_Data_Acl();
}
/**
* Parse a MYRIGHTS response (RFC 4314 [3.8]).
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param Horde_Imap_Client_Tokenize $data The server response.
*/
protected function _parseMyRights(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
Horde_Imap_Client_Tokenize $data
)
{
// Ignore 1st token (mailbox name)
$data->next();
$pipeline->data['myrights'] = new Horde_Imap_Client_Data_Acl($data->next());
}
/**
*/
protected function _getMetadata(Horde_Imap_Client_Mailbox $mailbox,
$entries, $options)
{
$pipeline = $this->_pipeline();
$pipeline->data['metadata'] = array();
if ($this->_capability('METADATA') ||
(strlen($mailbox) && $this->_capability('METADATA-SERVER'))) {
$cmd_options = new Horde_Imap_Client_Data_Format_List();
if (!empty($options['maxsize'])) {
$cmd_options->add(array(
'MAXSIZE',
new Horde_Imap_Client_Data_Format_Number($options['maxsize'])
));
}
if (!empty($options['depth'])) {
$cmd_options->add(array(
'DEPTH',
new Horde_Imap_Client_Data_Format_Number($options['depth'])
));
}
$queries = new Horde_Imap_Client_Data_Format_List();
foreach ($entries as $md_entry) {
$queries->add(new Horde_Imap_Client_Data_Format_Astring($md_entry));
}
$cmd = $this->_command('GETMETADATA')->add(
$this->_getMboxFormatOb($mailbox)
);
if (count($cmd_options)) {
$cmd->add($cmd_options);
}
$cmd->add($queries);
$pipeline->add($cmd);
} else {
if (!$this->_capability('ANNOTATEMORE') &&
!$this->_capability('ANNOTATEMORE2')) {
throw new Horde_Imap_Client_Exception_NoSupportExtension('METADATA');
}
$queries = array();
foreach ($entries as $md_entry) {
list($entry, $type) = $this->_getAnnotateMoreEntry($md_entry);
if (!isset($queries[$type])) {
$queries[$type] = new Horde_Imap_Client_Data_Format_List();
}
$queries[$type]->add(new Horde_Imap_Client_Data_Format_String($entry));
}
foreach ($queries as $key => $val) {
// TODO: Honor maxsize and depth options.
$pipeline->add(
$this->_command('GETANNOTATION')->add(array(
$this->_getMboxFormatOb($mailbox),
$val,
new Horde_Imap_Client_Data_Format_String($key)
))
);
}
}
return $this->_sendCmd($pipeline)->data['metadata'];
}
/**
* Split a name for the METADATA extension into the correct syntax for the
* older ANNOTATEMORE version.
*
* @param string $name A name for a metadata entry.
*
* @return array A list of two elements: The entry name and the value
* type.
*
* @throws Horde_Imap_Client_Exception
*/
protected function _getAnnotateMoreEntry($name)
{
if (substr($name, 0, 7) === '/shared') {
return array(substr($name, 7), 'value.shared');
} else if (substr($name, 0, 8) === '/private') {
return array(substr($name, 8), 'value.priv');
}
$e = new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("Invalid METADATA entry: \"%s\"."),
Horde_Imap_Client_Exception::METADATA_INVALID
);
$e->messagePrintf(array($name));
throw $e;
}
/**
*/
protected function _setMetadata(Horde_Imap_Client_Mailbox $mailbox, $data)
{
if ($this->_capability('METADATA') ||
(strlen($mailbox) && $this->_capability('METADATA-SERVER'))) {
$data_elts = new Horde_Imap_Client_Data_Format_List();
foreach ($data as $key => $value) {
$data_elts->add(array(
new Horde_Imap_Client_Data_Format_Astring($key),
/* METADATA supports literal8 - thus, it implicitly
* supports non-ASCII characters in the data. */
new Horde_Imap_Client_Data_Format_Nstring_Nonascii($value)
));
}
$cmd = $this->_command('SETMETADATA')->add(array(
$this->_getMboxFormatOb($mailbox),
$data_elts
));
} else {
if (!$this->_capability('ANNOTATEMORE') &&
!$this->_capability('ANNOTATEMORE2')) {
throw new Horde_Imap_Client_Exception_NoSupportExtension('METADATA');
}
$cmd = $this->_pipeline();
foreach ($data as $md_entry => $value) {
list($entry, $type) = $this->_getAnnotateMoreEntry($md_entry);
$cmd->add(
$this->_command('SETANNOTATION')->add(array(
$this->_getMboxFormatOb($mailbox),
new Horde_Imap_Client_Data_Format_String($entry),
new Horde_Imap_Client_Data_Format_List(array(
new Horde_Imap_Client_Data_Format_String($type),
/* ANNOTATEMORE supports literal8 - thus, it
* implicitly supports non-ASCII characters in the
* data. */
new Horde_Imap_Client_Data_Format_Nstring_Nonascii($value)
))
))
);
}
}
$this->_sendCmd($cmd);
}
/**
* Parse an ANNOTATION response (ANNOTATEMORE/ANNOTATEMORE2).
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param Horde_Imap_Client_Tokenize $data The server response.
*
* @throws Horde_Imap_Client_Exception
*/
protected function _parseAnnotation(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
Horde_Imap_Client_Tokenize $data
)
{
// Mailbox name is in UTF7-IMAP.
$mbox = Horde_Imap_Client_Mailbox::get($data->next(), true);
$entry = $data->next();
// Ignore unsolicited responses.
if ($data->next() !== true) {
return;
}
while (($type = $data->next()) !== false) {
switch ($type) {
case 'value.priv':
$pipeline->data['metadata'][strval($mbox)]['/private' . $entry] = $data->next();
break;
case 'value.shared':
$pipeline->data['metadata'][strval($mbox)]['/shared' . $entry] = $data->next();
break;
default:
$e = new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("Invalid METADATA value type \"%s\"."),
Horde_Imap_Client_Exception::METADATA_INVALID
);
$e->messagePrintf(array($type));
throw $e;
}
}
}
/**
* Parse a METADATA response (RFC 5464 [4.4]).
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param Horde_Imap_Client_Tokenize $data The server response.
*
* @throws Horde_Imap_Client_Exception
*/
protected function _parseMetadata(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
Horde_Imap_Client_Tokenize $data
)
{
// Mailbox name is in UTF7-IMAP.
$mbox = Horde_Imap_Client_Mailbox::get($data->next(), true);
// Ignore unsolicited responses.
if ($data->next() === true) {
while (($entry = $data->next()) !== false) {
$pipeline->data['metadata'][strval($mbox)][$entry] = $data->next();
}
}
}
/* Overriden methods. */
/**
* @param array $opts Options:
* - decrement: (boolean) If true, decrement the message count.
* - pipeline: (Horde_Imap_Client_Interaction_Pipeline) Pipeline object.
*/
protected function _deleteMsgs(Horde_Imap_Client_Mailbox $mailbox,
Horde_Imap_Client_Ids $ids,
array $opts = array())
{
/* If there are pending FETCH cache writes, we need to write them
* before the UID -> sequence number mapping changes. */
if (isset($opts['pipeline'])) {
$this->_updateCache($opts['pipeline']->fetch);
}
$res = parent::_deleteMsgs($mailbox, $ids);
if (isset($this->_temp['expunged'])) {
$this->_temp['expunged']->add($res);
}
if (!empty($opts['decrement'])) {
$mbox_ob = $this->_mailboxOb();
$mbox_ob->setStatus(
Horde_Imap_Client::STATUS_MESSAGES,
$mbox_ob->getStatus(Horde_Imap_Client::STATUS_MESSAGES) - count($ids)
);
}
}
/* Internal functions. */
/**
* Return the proper mailbox format object based on the server's
* capabilities.
*
* @param string $mailbox The mailbox.
* @param boolean $list Is this object used in a LIST command?
*
* @return Horde_Imap_Client_Data_Format_Mailbox A mailbox format object.
*/
protected function _getMboxFormatOb($mailbox, $list = false)
{
if ($this->_capability()->isEnabled('UTF8=ACCEPT')) {
try {
return $list
? new Horde_Imap_Client_Data_Format_ListMailbox_Utf8($mailbox)
: new Horde_Imap_Client_Data_Format_Mailbox_Utf8($mailbox);
} catch (Horde_Imap_Client_Data_Format_Exception $e) {}
}
return $list
? new Horde_Imap_Client_Data_Format_ListMailbox($mailbox)
: new Horde_Imap_Client_Data_Format_Mailbox($mailbox);
}
/**
* Sends command(s) to the IMAP server. A connection to the server must
* have already been made.
*
* @param mixed $cmd Either a Command object or a Pipeline object.
*
* @return Horde_Imap_Client_Interaction_Pipeline A pipeline object.
* @throws Horde_Imap_Client_Exception
*/
protected function _sendCmd($cmd)
{
$pipeline = ($cmd instanceof Horde_Imap_Client_Interaction_Command)
? $this->_pipeline($cmd)
: $cmd;
if (!empty($this->_cmdQueue)) {
/* Add commands in reverse order. */
foreach (array_reverse($this->_cmdQueue) as $val) {
$pipeline->add($val, true);
}
$this->_cmdQueue = array();
}
$cmd_list = array();
foreach ($pipeline as $val) {
if ($val->continuation) {
$this->_sendCmdChunk($pipeline, $cmd_list);
$this->_sendCmdChunk($pipeline, array($val));
$cmd_list = array();
} else {
$cmd_list[] = $val;
}
}
$this->_sendCmdChunk($pipeline, $cmd_list);
/* If any FLAGS responses contain MODSEQs but not UIDs, don't
* cache any data and immediately close the mailbox. */
foreach ($pipeline->data['modseqs_nouid'] as $val) {
if (!$pipeline->fetch[$val]->getUid()) {
$this->_debug->info(
'Server provided FLAGS MODSEQ without providing UID.'
);
$this->close();
return $pipeline;
}
}
/* Update HIGHESTMODSEQ value. */
if (!empty($pipeline->data['modseqs'])) {
$modseq = max($pipeline->data['modseqs']);
$this->_mailboxOb()->setStatus(Horde_Imap_Client::STATUS_HIGHESTMODSEQ, $modseq);
/* CONDSTORE has not yet updated flag information, so don't update
* modseq yet. */
if ($this->_capability()->isEnabled('QRESYNC')) {
$this->_updateModSeq($modseq);
}
}
/* Update cache items. */
$this->_updateCache($pipeline->fetch);
return $pipeline;
}
/**
* Send a chunk of commands and/or continuation fragments to the server.
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline The pipeline
* object.
* @param array $chunk List of commands to send.
*
* @throws Horde_Imap_Client_Exception
*/
protected function _sendCmdChunk($pipeline, $chunk)
{
if (empty($chunk)) {
return;
}
$cmd_count = count($chunk);
$exception = null;
foreach ($chunk as $val) {
$val->pipeline = $pipeline;
try {
if ($this->_processCmd($pipeline, $val, $val)) {
$this->_connection->write('', true);
} else {
$cmd_count = 0;
}
} catch (Horde_Imap_Client_Exception $e) {
switch ($e->getCode()) {
case Horde_Imap_Client_Exception::SERVER_WRITEERROR:
$this->_temp['logout'] = true;
$this->logout();
break;
}
throw $e;
}
}
while ($cmd_count) {
try {
if ($this->_getLine($pipeline) instanceof Horde_Imap_Client_Interaction_Server_Tagged) {
--$cmd_count;
}
} catch (Horde_Imap_Client_Exception $e) {
switch ($e->getCode()) {
case $e::DISCONNECT:
/* Guaranteed to have no more data incoming, so we can
* immediately logout. */
$this->_temp['logout'] = true;
$this->logout();
throw $e;
}
/* For all other issues, catch and store exception; don't
* throw until all input is read since we need to clear
* incoming queue. (For now, only store first exception.) */
if (is_null($exception)) {
$exception = $e;
}
if (($e instanceof Horde_Imap_Client_Exception_ServerResponse) &&
$e->command) {
--$cmd_count;
}
}
}
if (!is_null($exception)) {
throw $exception;
}
}
/**
* Process/send a command to the remote server.
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline The pipeline
* object.
* @param Horde_Imap_Client_Interaction_Command $cmd The master command.
* @param Horde_Imap_Client_Data_Format_List $data Commands to send.
*
* @return boolean True if EOL needed to finish command.
* @throws Horde_Imap_Client_Exception
* @throws Horde_Imap_Client_Exception_NoSupport
*/
protected function _processCmd($pipeline, $cmd, $data)
{
if ($this->_debug->debug &&
($data instanceof Horde_Imap_Client_Interaction_Command)) {
$data->startTimer();
}
foreach ($data as $key => $val) {
if ($val instanceof Horde_Imap_Client_Interaction_Command_Continuation) {
$this->_connection->write('', true);
/* Check for optional continuation responses when the command
* has already finished. */
if (!$cmd_continuation = $this->_processCmdContinuation($pipeline, $val->optional)) {
return false;
}
$this->_processCmd(
$pipeline,
$cmd,
$val->getCommands($cmd_continuation)
);
continue;
}
if (!is_null($debug_msg = array_shift($cmd->debug))) {
$this->_debug->client(
(($cmd == $data) ? $cmd->tag . ' ' : '') . $debug_msg
);
$this->_connection->client_debug = false;
}
if ($key) {
$this->_connection->write(' ');
}
if ($val instanceof Horde_Imap_Client_Data_Format_List) {
$this->_connection->write('(');
$this->_processCmd($pipeline, $cmd, $val);
$this->_connection->write(')');
} elseif (($val instanceof Horde_Imap_Client_Data_Format_String) &&
$val->literal()) {
$c = $this->_capability();
/* RFC 6855: If UTF8 extension is available, quote short
* strings instead of sending as literal. */
if ($c->isEnabled('UTF8=ACCEPT') && ($val->length() < 100)) {
$val->forceQuoted();
$this->_connection->write($val->escape());
} else {
/* RFC 3516/4466: Send literal8 if we have binary data. */
if ($cmd->literal8 &&
$val->binary() &&
($c->query('BINARY') || $c->isEnabled('UTF8=ACCEPT'))) {
$binary = true;
$this->_connection->write('~');
} else {
$binary = false;
}
$literal_len = $val->length();
$this->_connection->write('{' . $literal_len);
/* RFC 2088 - If LITERAL+ is available, saves a roundtrip
* from the server. */
if ($cmd->literalplus && $c->query('LITERAL+')) {
$this->_connection->write('+}', true);
} else {
$this->_connection->write('}', true);
$this->_processCmdContinuation($pipeline);
}
if ($debug_msg) {
$this->_connection->client_debug = false;
}
$this->_connection->writeLiteral(
$val->getStream(),
$literal_len,
$binary
);
}
} else {
$this->_connection->write($val->escape());
}
}
return true;
}
/**
* Process a command continuation response.
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline The pipeline
* object.
* @param boolean $noexception Don't throw
* exception if
* continuation
* does not occur.
*
* @return mixed A Horde_Imap_Client_Interaction_Server_Continuation
* object or false.
*
* @throws Horde_Imap_Client_Exception
*/
protected function _processCmdContinuation($pipeline, $noexception = false)
{
do {
$ob = $this->_getLine($pipeline);
} while ($ob instanceof Horde_Imap_Client_Interaction_Server_Untagged);
if ($ob instanceof Horde_Imap_Client_Interaction_Server_Continuation) {
return $ob;
} elseif ($noexception) {
return false;
}
$this->_debug->info(
'ERROR: Unexpected response from server while waiting for a continuation request.'
);
$e = new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("Error when communicating with the mail server."),
Horde_Imap_Client_Exception::SERVER_READERROR
);
$e->details = strval($ob);
throw $e;
}
/**
* Shortcut to creating a new IMAP client command object.
*
* @param string $cmd The IMAP command.
*
* @return Horde_Imap_Client_Interaction_Command A command object.
*/
protected function _command($cmd)
{
return new Horde_Imap_Client_Interaction_Command($cmd, ++$this->_tag);
}
/**
* Shortcut to creating a new pipeline object.
*
* @param Horde_Imap_Client_Interaction_Command $cmd An IMAP command to
* add.
*
* @return Horde_Imap_Client_Interaction_Pipeline A pipeline object.
*/
protected function _pipeline($cmd = null)
{
if (!isset($this->_temp['fetchob'])) {
$this->_temp['fetchob'] = new Horde_Imap_Client_Fetch_Results(
$this->_fetchDataClass,
Horde_Imap_Client_Fetch_Results::SEQUENCE
);
}
$ob = new Horde_Imap_Client_Interaction_Pipeline(
clone $this->_temp['fetchob']
);
if (!is_null($cmd)) {
$ob->add($cmd);
}
return $ob;
}
/**
* Gets data from the IMAP server stream and parses it.
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
*
* @return Horde_Imap_Client_Interaction_Server Server object.
*
* @throws Horde_Imap_Client_Exception
*/
protected function _getLine(
Horde_Imap_Client_Interaction_Pipeline $pipeline
)
{
$server = Horde_Imap_Client_Interaction_Server::create(
$this->_connection->read()
);
switch (get_class($server)) {
case 'Horde_Imap_Client_Interaction_Server_Continuation':
$this->_responseCode($pipeline, $server);
break;
case 'Horde_Imap_Client_Interaction_Server_Tagged':
$cmd = $pipeline->complete($server);
if (is_null($cmd)) {
/* This indicates a "dangling" tagged response - it was either
* generated by an aborted previous pipeline object or is the
* result of spurious output by the server. Ignore. */
return $this->_getLine($pipeline);
}
if ($timer = $cmd->getTimer()) {
$this->_debug->info(sprintf(
'Command %s took %s seconds.',
$cmd->tag,
$timer
));
}
$this->_responseCode($pipeline, $server);
if (is_callable($cmd->on_success)) {
call_user_func($cmd->on_success);
}
break;
case 'Horde_Imap_Client_Interaction_Server_Untagged':
if (is_null($server->status)) {
$this->_serverResponse($pipeline, $server);
} else {
$this->_responseCode($pipeline, $server);
}
break;
}
switch ($server->status) {
case $server::BAD:
case $server::NO:
/* A tagged BAD response indicates that the tagged command caused
* the error. This information is unknown if untagged (RFC 3501
* [7.1.3]) - ignore these untagged responses.
* An untagged NO response indicates a warning; ignore and assume
* that it also included response text code that is handled
* elsewhere. Throw exception if tagged; command handlers can
* catch this if able to workaround this issue (RFC 3501
* [7.1.2]). */
if ($server instanceof Horde_Imap_Client_Interaction_Server_Tagged) {
/* Check for a on_error callback. If function returns true,
* ignore the error. */
if (($cmd = $pipeline->getCmd($server->tag)) &&
is_callable($cmd->on_error) &&
call_user_func($cmd->on_error)) {
break;
}
throw new Horde_Imap_Client_Exception_ServerResponse(
Horde_Imap_Client_Translation::r("IMAP error reported by server."),
0,
$server,
$pipeline
);
}
break;
case $server::BYE:
/* A BYE response received as part of a logout command should be
* be treated like a regular command: a client MUST process the
* entire command until logging out (RFC 3501 [3.4; 7.1.5]). */
if (empty($this->_temp['logout'])) {
$e = new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("IMAP Server closed the connection."),
Horde_Imap_Client_Exception::DISCONNECT
);
$e->details = strval($server);
throw $e;
}
break;
case $server::PREAUTH:
/* The user was pre-authenticated. (RFC 3501 [7.1.4]) */
$this->_temp['preauth'] = true;
break;
}
return $server;
}
/**
* Handle untagged server responses (see RFC 3501 [2.2.2]).
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param Horde_Imap_Client_Interaction_Server $ob Server
* response.
*/
protected function _serverResponse(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
Horde_Imap_Client_Interaction_Server $ob
)
{
$token = $ob->token;
/* First, catch untagged responses where the name appears first on the
* line. */
switch ($first = Horde_String::upper($token->current())) {
case 'CAPABILITY':
$this->_parseCapability($pipeline, $token->flushIterator());
break;
case 'LIST':
case 'LSUB':
$this->_parseList($pipeline, $token);
break;
case 'STATUS':
// Parse a STATUS response (RFC 3501 [7.2.4]).
$this->_parseStatus($token);
break;
case 'SEARCH':
case 'SORT':
// Parse a SEARCH/SORT response (RFC 3501 [7.2.5] & RFC 5256 [4]).
$this->_parseSearch($pipeline, $token->flushIterator());
break;
case 'ESEARCH':
// Parse an ESEARCH response (RFC 4466 [2.6.2]).
$this->_parseEsearch($pipeline, $token);
break;
case 'FLAGS':
$token->next();
$this->_mailboxOb()->setStatus(Horde_Imap_Client::STATUS_FLAGS, array_map('Horde_String::lower', $token->flushIterator()));
break;
case 'QUOTA':
$this->_parseQuota($pipeline, $token);
break;
case 'QUOTAROOT':
// Ignore this line - we can get this information from
// the untagged QUOTA responses.
break;
case 'NAMESPACE':
$this->_parseNamespace($pipeline, $token);
break;
case 'THREAD':
$this->_parseThread($pipeline, $token);
break;
case 'ACL':
$this->_parseACL($pipeline, $token);
break;
case 'LISTRIGHTS':
$this->_parseListRights($pipeline, $token);
break;
case 'MYRIGHTS':
$this->_parseMyRights($pipeline, $token);
break;
case 'ID':
// ID extension (RFC 2971)
$this->_parseID($pipeline, $token);
break;
case 'ENABLED':
// ENABLE extension (RFC 5161)
$this->_parseEnabled($token);
break;
case 'LANGUAGE':
// LANGUAGE extension (RFC 5255 [3.2])
$this->_parseLanguage($token);
break;
case 'COMPARATOR':
// I18NLEVEL=2 extension (RFC 5255 [4.7])
$this->_parseComparator($pipeline, $token);
break;
case 'VANISHED':
// QRESYNC extension (RFC 7162 [3.2.10])
$this->_parseVanished($pipeline, $token);
break;
case 'ANNOTATION':
// Parse an ANNOTATION response.
$this->_parseAnnotation($pipeline, $token);
break;
case 'METADATA':
// Parse a METADATA response.
$this->_parseMetadata($pipeline, $token);
break;
default:
// Next, look for responses where the keywords occur second.
switch (Horde_String::upper($token->next())) {
case 'EXISTS':
// EXISTS response - RFC 3501 [7.3.2]
$mbox_ob = $this->_mailboxOb();
// Increment UIDNEXT if it is set.
if ($mbox_ob->open &&
($uidnext = $mbox_ob->getStatus(Horde_Imap_Client::STATUS_UIDNEXT))) {
$mbox_ob->setStatus(Horde_Imap_Client::STATUS_UIDNEXT, $uidnext + $first - $mbox_ob->getStatus(Horde_Imap_Client::STATUS_MESSAGES));
}
$mbox_ob->setStatus(Horde_Imap_Client::STATUS_MESSAGES, $first);
break;
case 'RECENT':
// RECENT response - RFC 3501 [7.3.1]
$this->_mailboxOb()->setStatus(Horde_Imap_Client::STATUS_RECENT, $first);
break;
case 'EXPUNGE':
// EXPUNGE response - RFC 3501 [7.4.1]
$this->_deleteMsgs($this->_selected, $this->getIdsOb($first, true), array(
'decrement' => true,
'pipeline' => $pipeline
));
$pipeline->data['expunge_seen'] = true;
break;
case 'FETCH':
// FETCH response - RFC 3501 [7.4.2]
$this->_parseFetch($pipeline, $first, $token);
break;
}
break;
}
}
/**
* Handle status responses (see RFC 3501 [7.1]).
*
* @param Horde_Imap_Client_Interaction_Pipeline $pipeline Pipeline
* object.
* @param Horde_Imap_Client_Interaction_Server $ob Server object.
*
* @throws Horde_Imap_Client_Exception_ServerResponse
*/
protected function _responseCode(
Horde_Imap_Client_Interaction_Pipeline $pipeline,
Horde_Imap_Client_Interaction_Server $ob
)
{
if (is_null($ob->responseCode)) {
return;
}
$rc = $ob->responseCode;
switch ($rc->code) {
case 'ALERT':
// Defined by RFC 5530 [3] - Treat as an alert for now.
case 'CONTACTADMIN':
// Used by Gmail - Treat as an alert for now.
// http://mailman13.u.washington.edu/pipermail/imap-protocol/2014-September/002324.html
case 'WEBALERT':
$this->_alerts->add(strval($ob->token), $rc->code);
break;
case 'BADCHARSET':
/* Store valid search charsets if returned by server. */
$s = $this->search_charset;
foreach ($rc->data[0] as $val) {
$s->setValid($val, true);
}
throw new Horde_Imap_Client_Exception_ServerResponse(
Horde_Imap_Client_Translation::r("Charset used in search query is not supported on the mail server."),
Horde_Imap_Client_Exception::BADCHARSET,
$ob,
$pipeline
);
case 'CAPABILITY':
$this->_parseCapability($pipeline, $rc->data);
break;
case 'PARSE':
/* Only throw error on NO/BAD. Message is human readable. */
switch ($ob->status) {
case Horde_Imap_Client_Interaction_Server::BAD:
case Horde_Imap_Client_Interaction_Server::NO:
$e = new Horde_Imap_Client_Exception_ServerResponse(
Horde_Imap_Client_Translation::r("The mail server was unable to parse the contents of the mail message: %s"),
Horde_Imap_Client_Exception::PARSEERROR,
$ob,
$pipeline
);
$e->messagePrintf(array(strval($ob->token)));
throw $e;
}
break;
case 'READ-ONLY':
$this->_mode = Horde_Imap_Client::OPEN_READONLY;
break;
case 'READ-WRITE':
$this->_mode = Horde_Imap_Client::OPEN_READWRITE;
break;
case 'TRYCREATE':
// RFC 3501 [7.1]
$pipeline->data['trycreate'] = true;
break;
case 'PERMANENTFLAGS':
$this->_mailboxOb()->setStatus(Horde_Imap_Client::STATUS_PERMFLAGS, array_map('Horde_String::lower', $rc->data[0]));
break;
case 'UIDNEXT':
$this->_mailboxOb()->setStatus(Horde_Imap_Client::STATUS_UIDNEXT, $rc->data[0]);
break;
case 'UIDVALIDITY':
$this->_mailboxOb()->setStatus(Horde_Imap_Client::STATUS_UIDVALIDITY, $rc->data[0]);
break;
case 'UNSEEN':
/* This is different from the STATUS UNSEEN response - this item,
* if defined, returns the first UNSEEN message in the mailbox. */
$this->_mailboxOb()->setStatus(Horde_Imap_Client::STATUS_FIRSTUNSEEN, $rc->data[0]);
break;
case 'REFERRAL':
// Defined by RFC 2221
$pipeline->data['referral'] = new Horde_Imap_Client_Url_Imap($rc->data[0]);
break;
case 'UNKNOWN-CTE':
// Defined by RFC 3516
throw new Horde_Imap_Client_Exception_ServerResponse(
Horde_Imap_Client_Translation::r("The mail server was unable to parse the contents of the mail message."),
Horde_Imap_Client_Exception::UNKNOWNCTE,
$ob,
$pipeline
);
case 'APPENDUID':
// Defined by RFC 4315
// APPENDUID: [0] = UIDVALIDITY, [1] = UID(s)
$pipeline->data['appenduid'] = $this->getIdsOb($rc->data[1]);
break;
case 'COPYUID':
// Defined by RFC 4315
// COPYUID: [0] = UIDVALIDITY, [1] = UIDFROM, [2] = UIDTO
$pipeline->data['copyuid'] = array_combine(
$this->getIdsOb($rc->data[1])->ids,
$this->getIdsOb($rc->data[2])->ids
);
/* Use UIDPLUS information to move cached data to new mailbox (see
* RFC 4549 [4.2.2.1]). Need to move now, because a MOVE might
* EXPUNGE immediately afterwards. */
$this->_moveCache($pipeline->data['copydest'], $pipeline->data['copyuid'], $rc->data[0]);
break;
case 'UIDNOTSTICKY':
// Defined by RFC 4315 [3]
$this->_mailboxOb()->setStatus(Horde_Imap_Client::STATUS_UIDNOTSTICKY, true);
break;
case 'BADURL':
// Defined by RFC 4469 [4.1]
throw new Horde_Imap_Client_Exception_ServerResponse(
Horde_Imap_Client_Translation::r("Could not save message on server."),
Horde_Imap_Client_Exception::CATENATE_BADURL,
$ob,
$pipeline
);
case 'TOOBIG':
// Defined by RFC 4469 [4.2]
throw new Horde_Imap_Client_Exception_ServerResponse(
Horde_Imap_Client_Translation::r("Could not save message data because it is too large."),
Horde_Imap_Client_Exception::CATENATE_TOOBIG,
$ob,
$pipeline
);
case 'HIGHESTMODSEQ':
// Defined by RFC 7162 [3.1.2.1]
$pipeline->data['modseqs'][] = $rc->data[0];
break;
case 'NOMODSEQ':
// Defined by RFC 7162 [3.1.2.2]
$pipeline->data['modseqs'][] = 0;
break;
case 'MODIFIED':
// Defined by RFC 7162 [3.1.3]
$pipeline->data['modified']->add($rc->data[0]);
break;
case 'CLOSED':
// Defined by RFC 7162 [3.2.11]
if (isset($pipeline->data['qresyncmbox'])) {
/* If there is any pending FETCH cache entries, flush them
* now before changing mailboxes. */
$this->_updateCache($pipeline->fetch);
$pipeline->fetch->clear();
$this->_changeSelected(
$pipeline->data['qresyncmbox'][0],
$pipeline->data['qresyncmbox'][1]
);
unset($pipeline->data['qresyncmbox']);
}
break;
case 'NOTSAVED':
// Defined by RFC 5182 [2.5]
$pipeline->data['searchnotsaved'] = true;
break;
case 'BADCOMPARATOR':
// Defined by RFC 5255 [4.9]
throw new Horde_Imap_Client_Exception_ServerResponse(
Horde_Imap_Client_Translation::r("The comparison algorithm was not recognized by the server."),
Horde_Imap_Client_Exception::BADCOMPARATOR,
$ob,
$pipeline
);
case 'METADATA':
$md = $rc->data[0];
switch ($md[0]) {
case 'LONGENTRIES':
// Defined by RFC 5464 [4.2.1]
$pipeline->data['metadata']['*longentries'] = intval($md[1]);
break;
case 'MAXSIZE':
// Defined by RFC 5464 [4.3]
throw new Horde_Imap_Client_Exception_ServerResponse(
Horde_Imap_Client_Translation::r("The metadata item could not be saved because it is too large."),
Horde_Imap_Client_Exception::METADATA_MAXSIZE,
$ob,
$pipeline
);
case 'NOPRIVATE':
// Defined by RFC 5464 [4.3]
throw new Horde_Imap_Client_Exception_ServerResponse(
Horde_Imap_Client_Translation::r("The metadata item could not be saved because the server does not support private annotations."),
Horde_Imap_Client_Exception::METADATA_NOPRIVATE,
$ob,
$pipeline
);
case 'TOOMANY':
// Defined by RFC 5464 [4.3]
throw new Horde_Imap_Client_Exception_ServerResponse(
Horde_Imap_Client_Translation::r("The metadata item could not be saved because the maximum number of annotations has been exceeded."),
Horde_Imap_Client_Exception::METADATA_TOOMANY,
$ob,
$pipeline
);
}
break;
case 'UNAVAILABLE':
// Defined by RFC 5530 [3]
$pipeline->data['loginerr'] = new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("Remote server is temporarily unavailable."),
Horde_Imap_Client_Exception::LOGIN_UNAVAILABLE
);
break;
case 'AUTHENTICATIONFAILED':
// Defined by RFC 5530 [3]
$pipeline->data['loginerr'] = new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("Authentication failed."),
Horde_Imap_Client_Exception::LOGIN_AUTHENTICATIONFAILED
);
break;
case 'AUTHORIZATIONFAILED':
// Defined by RFC 5530 [3]
$pipeline->data['loginerr'] = new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("Authentication was successful, but authorization failed."),
Horde_Imap_Client_Exception::LOGIN_AUTHORIZATIONFAILED
);
break;
case 'EXPIRED':
// Defined by RFC 5530 [3]
$pipeline->data['loginerr'] = new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("Authentication credentials have expired."),
Horde_Imap_Client_Exception::LOGIN_EXPIRED
);
break;
case 'PRIVACYREQUIRED':
// Defined by RFC 5530 [3]
$pipeline->data['loginerr'] = new Horde_Imap_Client_Exception(
Horde_Imap_Client_Translation::r("Operation failed due to a lack of a secure connection."),
Horde_Imap_Client_Exception::LOGIN_PRIVACYREQUIRED
);
break;
case 'NOPERM':
// Defined by RFC 5530 [3]
throw new Horde_Imap_Client_Exception_ServerResponse(
Horde_Imap_Client_Translation::r("You do not have adequate permissions to carry out this operation."),
Horde_Imap_Client_Exception::NOPERM,
$ob,
$pipeline
);
case 'INUSE':
// Defined by RFC 5530 [3]
throw new Horde_Imap_Client_Exception_ServerResponse(
Horde_Imap_Client_Translation::r("There was a temporary issue when attempting this operation. Please try again later."),
Horde_Imap_Client_Exception::INUSE,
$ob,
$pipeline
);
case 'EXPUNGEISSUED':
// Defined by RFC 5530 [3]
$pipeline->data['expungeissued'] = true;
break;
case 'CORRUPTION':
// Defined by RFC 5530 [3]
throw new Horde_Imap_Client_Exception_ServerResponse(
Horde_Imap_Client_Translation::r("The mail server is reporting corrupt data in your mailbox."),
Horde_Imap_Client_Exception::CORRUPTION,
$ob,
$pipeline
);
case 'SERVERBUG':
case 'CLIENTBUG':
case 'CANNOT':
// Defined by RFC 5530 [3]
$this->_debug->info(
'ERROR: mail server explicitly reporting an error.'
);
break;
case 'LIMIT':
// Defined by RFC 5530 [3]
throw new Horde_Imap_Client_Exception_ServerResponse(
Horde_Imap_Client_Translation::r("The mail server has denied the request."),
Horde_Imap_Client_Exception::LIMIT,
$ob,
$pipeline
);
case 'OVERQUOTA':
// Defined by RFC 5530 [3]
throw new Horde_Imap_Client_Exception_ServerResponse(
Horde_Imap_Client_Translation::r("The operation failed because the quota has been exceeded on the mail server."),
Horde_Imap_Client_Exception::OVERQUOTA,
$ob,
$pipeline
);
case 'ALREADYEXISTS':
// Defined by RFC 5530 [3]
throw new Horde_Imap_Client_Exception_ServerResponse(
Horde_Imap_Client_Translation::r("The object could not be created because it already exists."),
Horde_Imap_Client_Exception::ALREADYEXISTS,
$ob,
$pipeline
);
case 'NONEXISTENT':
// Defined by RFC 5530 [3]
throw new Horde_Imap_Client_Exception_ServerResponse(
Horde_Imap_Client_Translation::r("The object could not be deleted because it does not exist."),
Horde_Imap_Client_Exception::NONEXISTENT,
$ob,
$pipeline
);
case 'USEATTR':
// Defined by RFC 6154 [3]
throw new Horde_Imap_Client_Exception_ServerResponse(
Horde_Imap_Client_Translation::r("The special-use attribute requested for the mailbox is not supported."),
Horde_Imap_Client_Exception::USEATTR,
$ob,
$pipeline
);
case 'DOWNGRADED':
// Defined by RFC 6858 [3]
$downgraded = $this->getIdsOb($rc->data[0]);
foreach ($pipeline->fetch as $val) {
if (in_array($val->getUid(), $downgraded)) {
$val->setDowngraded(true);
}
}
break;
case 'XPROXYREUSE':
// The proxy connection was reused, so no need to do login tasks.
$pipeline->data['proxyreuse'] = true;
break;
default:
// Unknown response codes SHOULD be ignored - RFC 3501 [7.1]
break;
}
}
}
