From 6f2c007d1be866e47bf6a9f8e6900fe6ec2a6901 Mon Sep 17 00:00:00 2001 From: Aleksander Machniak <alec@alec.pl> Date: Sat, 02 Apr 2016 07:02:55 -0400 Subject: [PATCH] CS fixes: Replace use of "bool ? true : false" with just "bool" --- program/lib/Roundcube/rcube_imap_generic.php | 1010 +++++++++++++++++++++++++++++++++++------------------------ 1 files changed, 600 insertions(+), 410 deletions(-) diff --git a/program/lib/Roundcube/rcube_imap_generic.php b/program/lib/Roundcube/rcube_imap_generic.php index a43dfee..764604d 100644 --- a/program/lib/Roundcube/rcube_imap_generic.php +++ b/program/lib/Roundcube/rcube_imap_generic.php @@ -3,7 +3,7 @@ /** +-----------------------------------------------------------------------+ | This file is part of the Roundcube Webmail client | - | Copyright (C) 2005-2012, The Roundcube Dev Team | + | Copyright (C) 2005-2015, The Roundcube Dev Team | | Copyright (C) 2011-2012, Kolab Systems AG | | | | Licensed under the GNU General Public License version 3 or | @@ -48,26 +48,24 @@ '*' => '\\*', ); - public static $mupdate; - protected $fp; protected $host; - protected $logged = false; - protected $capability = array(); - protected $capability_readed = false; protected $prefs; protected $cmd_tag; protected $cmd_num = 0; protected $resourceid; - protected $_debug = false; - protected $_debug_handler = false; + protected $logged = false; + protected $capability = array(); + protected $capability_readed = false; + protected $debug = false; + protected $debug_handler = false; - const ERROR_OK = 0; - const ERROR_NO = -1; - const ERROR_BAD = -2; - const ERROR_BYE = -3; - const ERROR_UNKNOWN = -4; - const ERROR_COMMAND = -5; + const ERROR_OK = 0; + const ERROR_NO = -1; + const ERROR_BAD = -2; + const ERROR_BYE = -3; + const ERROR_UNKNOWN = -4; + const ERROR_COMMAND = -5; const ERROR_READONLY = -6; const COMMAND_NORESPONSE = 1; @@ -77,28 +75,23 @@ const DEBUG_LINE_LENGTH = 4098; // 4KB + 2B for \r\n - /** - * Object constructor - */ - function __construct() - { - } /** * Send simple (one line) command to the connection stream * - * @param string $string Command string - * @param bool $endln True if CRLF need to be added at the end of command + * @param string $string Command string + * @param bool $endln True if CRLF need to be added at the end of command * @param bool $anonymized Don't write the given data to log but a placeholder * * @param int Number of bytes sent, False on error */ - function putLine($string, $endln=true, $anonymized=false) + protected function putLine($string, $endln = true, $anonymized = false) { - if (!$this->fp) + if (!$this->fp) { return false; + } - if ($this->_debug) { + if ($this->debug) { // anonymize the sent command for logging $cut = $endln ? 2 : 0; if ($anonymized && preg_match('/^(A\d+ (?:[A-Z]+ )+)(.+)/', $string, $m)) { @@ -110,10 +103,15 @@ else { $log = rtrim($string); } + $this->debug('C: ' . $log); } - $res = fwrite($this->fp, $string . ($endln ? "\r\n" : '')); + if ($endln) { + $string .= "\r\n"; + } + + $res = fwrite($this->fp, $string); if ($res === false) { @fclose($this->fp); @@ -127,13 +125,13 @@ * Send command to the connection stream with Command Continuation * Requests (RFC3501 7.5) and LITERAL+ (RFC2088) support * - * @param string $string Command string - * @param bool $endln True if CRLF need to be added at the end of command + * @param string $string Command string + * @param bool $endln True if CRLF need to be added at the end of command * @param bool $anonymized Don't write the given data to log but a placeholder * * @return int|bool Number of bytes sent, False on error */ - function putLineC($string, $endln=true, $anonymized=false) + protected function putLineC($string, $endln=true, $anonymized=false) { if (!$this->fp) { return false; @@ -153,38 +151,45 @@ } $bytes = $this->putLine($parts[$i].$parts[$i+1], false, $anonymized); - if ($bytes === false) + if ($bytes === false) { return false; + } + $res += $bytes; // don't wait if server supports LITERAL+ capability if (!$this->prefs['literal+']) { $line = $this->readLine(1000); // handle error in command - if ($line[0] != '+') + if ($line[0] != '+') { return false; + } } + $i++; } else { $bytes = $this->putLine($parts[$i], false, $anonymized); - if ($bytes === false) + if ($bytes === false) { return false; + } + $res += $bytes; } } } + return $res; } /** * Reads line from the connection stream * - * @param int $size Buffer size + * @param int $size Buffer size * * @return string Line of text response */ - function readLine($size=1024) + protected function readLine($size = 1024) { $line = ''; @@ -194,7 +199,7 @@ do { if ($this->eof()) { - return $line ? $line : NULL; + return $line ?: null; } $buffer = fgets($this->fp, $size); @@ -203,11 +208,14 @@ $this->closeSocket(); break; } - if ($this->_debug) { + + if ($this->debug) { $this->debug('S: '. rtrim($buffer)); } + $line .= $buffer; - } while (substr($buffer, -1) != "\n"); + } + while (substr($buffer, -1) != "\n"); return $line; } @@ -221,7 +229,7 @@ * * @return string Line of text response */ - function multLine($line, $escape = false) + protected function multLine($line, $escape = false) { $line = rtrim($line); if (preg_match('/\{([0-9]+)\}$/', $line, $m)) { @@ -231,8 +239,10 @@ while (strlen($out) < $bytes) { $line = $this->readBytes($bytes); - if ($line === NULL) + if ($line === null) { break; + } + $out .= $line; } @@ -245,18 +255,18 @@ /** * Reads specified number of bytes from the connection stream * - * @param int $bytes Number of bytes to get + * @param int $bytes Number of bytes to get * * @return string Response text */ - function readBytes($bytes) + protected function readBytes($bytes) { $data = ''; $len = 0; - while ($len < $bytes && !$this->eof()) - { + + while ($len < $bytes && !$this->eof()) { $d = fread($this->fp, $bytes-$len); - if ($this->_debug) { + if ($this->debug) { $this->debug('S: '. $d); } $data .= $d; @@ -273,21 +283,24 @@ /** * Reads complete response to the IMAP command * - * @param array $untagged Will be filled with untagged response lines + * @param array $untagged Will be filled with untagged response lines * * @return string Response text */ - function readReply(&$untagged=null) + protected function readReply(&$untagged = null) { do { $line = trim($this->readLine(1024)); // store untagged response lines - if ($line[0] == '*') + if ($line[0] == '*') { $untagged[] = $line; - } while ($line[0] == '*'); + } + } + while ($line[0] == '*'); - if ($untagged) + if ($untagged) { $untagged = join("\n", $untagged); + } return $line; } @@ -295,12 +308,12 @@ /** * Response parser. * - * @param string $string Response text - * @param string $err_prefix Error message prefix + * @param string $string Response text + * @param string $err_prefix Error message prefix * * @return int Response status */ - function parseResult($string, $err_prefix='') + protected function parseResult($string, $err_prefix = '') { if (preg_match('/^[a-z0-9*]+ (OK|NO|BAD|BYE)(.*)$/i', trim($string), $matches)) { $res = strtoupper($matches[1]); @@ -308,11 +321,14 @@ if ($res == 'OK') { $this->errornum = self::ERROR_OK; - } else if ($res == 'NO') { + } + else if ($res == 'NO') { $this->errornum = self::ERROR_NO; - } else if ($res == 'BAD') { + } + else if ($res == 'BAD') { $this->errornum = self::ERROR_BAD; - } else if ($res == 'BYE') { + } + else if ($res == 'BYE') { $this->closeSocket(); $this->errornum = self::ERROR_BYE; } @@ -335,6 +351,7 @@ $this->data['COPYUID'] = array($m[1], $m[2]); } } + $this->result = $str; if ($this->errornum != self::ERROR_OK) { @@ -344,6 +361,7 @@ return $this->errornum; } + return self::ERROR_UNKNOWN; } @@ -384,7 +402,7 @@ /** * Error code/message setter. */ - function setError($code, $msg='') + protected function setError($code, $msg = '') { $this->errornum = $code; $this->error = $msg; @@ -401,26 +419,33 @@ * * @return bool True any check is true or connection is closed. */ - function startsWith($string, $match, $error=false, $nonempty=false) + protected function startsWith($string, $match, $error = false, $nonempty = false) { if (!$this->fp) { return true; } + if (strncmp($string, $match, strlen($match)) == 0) { return true; } + if ($error && preg_match('/^\* (BYE|BAD) /i', $string, $m)) { if (strtoupper($m[1]) == 'BYE') { $this->closeSocket(); } return true; } + if ($nonempty && !strlen($string)) { return true; } + return false; } + /** + * Capabilities checker + */ protected function hasCapability($name) { if (empty($this->capability) || $name == '') { @@ -442,7 +467,7 @@ } } - return !empty($result) ? $result : false; + return $result ?: false; } /** @@ -452,7 +477,7 @@ * * @return mixed Capability values array for key=value pairs, true/false for others */ - function getCapability($name) + public function getCapability($name) { $result = $this->hasCapability($name); @@ -476,22 +501,25 @@ return $this->hasCapability($name); } - function clearCapability() + /** + * Clears detected server capabilities + */ + public function clearCapability() { - $this->capability = array(); + $this->capability = array(); $this->capability_readed = false; } /** * DIGEST-MD5/CRAM-MD5/PLAIN Authentication * - * @param string $user - * @param string $pass + * @param string $user Username + * @param string $pass Password * @param string $type Authentication type (PLAIN/CRAM-MD5/DIGEST-MD5) * * @return resource Connection resourse on success, error code on error */ - function authenticate($user, $pass, $type='PLAIN') + protected function authenticate($user, $pass, $type = 'PLAIN') { if ($type == 'CRAM-MD5' || $type == 'DIGEST-MD5') { if ($type == 'DIGEST-MD5' && !class_exists('Auth_SASL')) { @@ -546,22 +574,21 @@ $authc = $user; $user = ''; } + $auth_sasl = Auth_SASL::factory('digestmd5'); - $reply = base64_encode($auth_sasl->getResponse($authc, $pass, + $reply = base64_encode($auth_sasl->getResponse($authc, $pass, base64_decode($challenge), $this->host, 'imap', $user)); // send result $this->putLine($reply, true, true); $line = trim($this->readReply()); - if ($line[0] == '+') { - $challenge = substr($line, 2); - } - else { + if ($line[0] != '+') { return $this->parseResult($line); } // check response + $challenge = substr($line, 2); $challenge = base64_decode($challenge); if (strpos($challenge, 'rspauth=') === false) { $this->setError(self::ERROR_BAD, @@ -572,7 +599,67 @@ $this->putLine(''); } - $line = $this->readReply(); + $line = $this->readReply(); + $result = $this->parseResult($line); + } + else if ($type == 'GSSAPI') { + if (!extension_loaded('krb5')) { + $this->setError(self::ERROR_BYE, + "The krb5 extension is required for GSSAPI authentication"); + return self::ERROR_BAD; + } + + if (empty($this->prefs['gssapi_cn'])) { + $this->setError(self::ERROR_BYE, + "The gssapi_cn parameter is required for GSSAPI authentication"); + return self::ERROR_BAD; + } + + if (empty($this->prefs['gssapi_context'])) { + $this->setError(self::ERROR_BYE, + "The gssapi_context parameter is required for GSSAPI authentication"); + return self::ERROR_BAD; + } + + putenv('KRB5CCNAME=' . $this->prefs['gssapi_cn']); + + try { + $ccache = new KRB5CCache(); + $ccache->open($this->prefs['gssapi_cn']); + $gssapicontext = new GSSAPIContext(); + $gssapicontext->acquireCredentials($ccache); + + $token = ''; + $success = $gssapicontext->initSecContext($this->prefs['gssapi_context'], null, null, null, $token); + $token = base64_encode($token); + } + catch (Exception $e) { + trigger_error($e->getMessage(), E_USER_WARNING); + $this->setError(self::ERROR_BYE, "GSSAPI authentication failed"); + return self::ERROR_BAD; + } + + $this->putLine($this->nextTag() . " AUTHENTICATE GSSAPI " . $token); + $line = trim($this->readReply()); + + if ($line[0] != '+') { + return $this->parseResult($line); + } + + try { + $challenge = base64_decode(substr($line, 2)); + $gssapicontext->unwrap($challenge, $challenge); + $gssapicontext->wrap($challenge, $challenge, true); + } + catch (Exception $e) { + trigger_error($e->getMessage(), E_USER_WARNING); + $this->setError(self::ERROR_BYE, "GSSAPI authentication failed"); + return self::ERROR_BAD; + } + + $this->putLine(base64_encode($challenge)); + + $line = $this->readReply(); $result = $this->parseResult($line); } else { // PLAIN @@ -603,7 +690,7 @@ // send result, get reply and process it $this->putLine($reply, true, true); - $line = $this->readReply(); + $line = $this->readReply(); $result = $this->parseResult($line); } } @@ -625,12 +712,12 @@ /** * LOGIN Authentication * - * @param string $user - * @param string $pass + * @param string $user Username + * @param string $pass Password * * @return resource Connection resourse on success, error code on error */ - function login($user, $password) + protected function login($user, $password) { list($code, $response) = $this->execute('LOGIN', array( $this->escape($user), $this->escape($password)), self::COMMAND_CAPABILITY | self::COMMAND_ANONYMIZED); @@ -652,7 +739,7 @@ * * @return string The delimiter */ - function getHierarchyDelimiter() + public function getHierarchyDelimiter() { if ($this->prefs['delimiter']) { return $this->prefs['delimiter']; @@ -670,8 +757,6 @@ return ($this->prefs['delimiter'] = $delimiter); } } - - return NULL; } /** @@ -679,7 +764,7 @@ * * @return array Namespace data hash (personal, other, shared) */ - function getNamespace() + public function getNamespace() { if (array_key_exists('namespace', $this->prefs)) { return $this->prefs['namespace']; @@ -692,7 +777,8 @@ list($code, $response) = $this->execute('NAMESPACE'); if ($code == self::ERROR_OK && preg_match('/^\* NAMESPACE /', $response)) { - $data = $this->tokenizeResponse(substr($response, 11)); + $response = substr($response, 11); + $data = $this->tokenizeResponse($response); } if (!is_array($data)) { @@ -711,14 +797,14 @@ /** * Connects to IMAP server and authenticates. * - * @param string $host Server hostname or IP - * @param string $user User name - * @param string $password Password - * @param array $options Connection and class options + * @param string $host Server hostname or IP + * @param string $user User name + * @param string $password Password + * @param array $options Connection and class options * * @return bool True on success, False on failure */ - function connect($host, $user, $password, $options=null) + public function connect($host, $user, $password, $options = null) { // configure $this->set_prefs($options); @@ -739,7 +825,7 @@ return false; } - if (empty($password)) { + if (empty($password) && empty($options['gssapi_cn'])) { $this->setError(self::ERROR_NO, "Empty password"); return false; } @@ -751,7 +837,7 @@ // Send ID info if (!empty($this->prefs['ident']) && $this->getCapability('ID')) { - $this->id($this->prefs['ident']); + $this->data['ID'] = $this->id($this->prefs['ident']); } $auth_method = $this->prefs['auth_type']; @@ -775,7 +861,8 @@ } // Use best (for security) supported authentication method - foreach (array('DIGEST-MD5', 'CRAM-MD5', 'CRAM_MD5', 'PLAIN', 'LOGIN') as $auth_method) { + $all_methods = array('GSSAPI', 'DIGEST-MD5', 'CRAM-MD5', 'CRAM_MD5', 'PLAIN', 'LOGIN'); + foreach ($all_methods as $auth_method) { if (in_array($auth_method, $auth_methods)) { break; } @@ -804,6 +891,7 @@ case 'CRAM-MD5': case 'DIGEST-MD5': case 'PLAIN': + case 'GSSAPI': $result = $this->authenticate($user, $password, $auth_method); break; case 'LOGIN': @@ -876,7 +964,7 @@ $line = trim(fgets($this->fp, 8192)); - if ($this->_debug) { + if ($this->debug) { // set connection identifier for debug output preg_match('/#([0-9]+)/', (string) $this->fp, $m); $this->resourceid = strtoupper(substr(md5($m[1].$this->user.microtime()), 0, 4)); @@ -898,6 +986,8 @@ return false; } + $this->data['GREETING'] = trim(preg_replace('/\[[^\]]+\]\s*/', '', $line)); + // RFC3501 [7.1] optional CAPABILITY response if (preg_match('/\[CAPABILITY ([^]]+)\]/i', $line, $matches)) { $this->parseCapability($matches[1], true); @@ -912,7 +1002,18 @@ return false; } - if (!stream_socket_enable_crypto($this->fp, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) { + if (isset($this->prefs['socket_options']['ssl']['crypto_method'])) { + $crypto_method = $this->prefs['socket_options']['ssl']['crypto_method']; + } + else { + // There is no flag to enable all TLS methods. Net_SMTP + // handles enabling TLS similarly. + $crypto_method = STREAM_CRYPTO_METHOD_TLS_CLIENT + | @STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT + | @STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT; + } + + if (!stream_socket_enable_crypto($this->fp, true, $crypto_method)) { $this->setError(self::ERROR_BAD, "Unable to negotiate TLS"); $this->closeConnection(); return false; @@ -960,15 +1061,15 @@ * * @return bool True if connection is active and user is logged in, False otherwise. */ - function connected() + public function connected() { - return ($this->fp && $this->logged) ? true : false; + return $this->fp && $this->logged; } /** * Closes connection with logout. */ - function closeConnection() + public function closeConnection() { if ($this->logged && $this->putLine($this->nextTag() . ' LOGOUT')) { $this->readReply(); @@ -985,7 +1086,7 @@ * * @return boolean True on success, false on error */ - function select($mailbox, $qresync_data = null) + public function select($mailbox, $qresync_data = null) { if (!strlen($mailbox)) { return false; @@ -1013,14 +1114,18 @@ // 3. an optional parenthesized list of known sequence ranges and their // corresponding UIDs. if (!empty($qresync_data)) { - if (!empty($qresync_data[2])) + if (!empty($qresync_data[2])) { $qresync_data[2] = self::compressMessageSet($qresync_data[2]); + } + $params[] = array('QRESYNC', $qresync_data); } list($code, $response) = $this->execute('SELECT', $params); if ($code == self::ERROR_OK) { + $this->clear_mailbox_cache(); + $response = explode("\r\n", $response); foreach ($response as $line) { if (preg_match('/^\* ([0-9]+) (EXISTS|RECENT)$/i', $line, $m)) { @@ -1063,8 +1168,8 @@ } $this->data['READ-WRITE'] = $this->resultcode != 'READ-ONLY'; - $this->selected = $mailbox; + return true; } @@ -1082,7 +1187,7 @@ * @return array Status item-value hash * @since 0.5-beta */ - function status($mailbox, $items=array()) + public function status($mailbox, $items = array()) { if (!strlen($mailbox)) { return false; @@ -1098,7 +1203,7 @@ list($code, $response) = $this->execute('STATUS', array($this->escape($mailbox), '(' . implode(' ', (array) $items) . ')')); - if ($code == self::ERROR_OK && preg_match('/\* STATUS /i', $response)) { + if ($code == self::ERROR_OK && preg_match('/^\* STATUS /i', $response)) { $result = array(); $response = substr($response, 9); // remove prefix "* STATUS " @@ -1108,7 +1213,8 @@ // folder name with spaces. Let's try to handle this situation if (!is_array($items) && ($pos = strpos($response, '(')) !== false) { $response = substr($response, $pos); - $items = $this->tokenizeResponse($response, 1); + $items = $this->tokenizeResponse($response, 1); + if (!is_array($items)) { return $result; } @@ -1134,7 +1240,7 @@ * * @return boolean True on success, False on error */ - function expunge($mailbox, $messages=NULL) + public function expunge($mailbox, $messages = null) { if (!$this->select($mailbox)) { return false; @@ -1146,7 +1252,7 @@ } // Clear internal status cache - unset($this->data['STATUS:'.$mailbox]); + $this->clear_status_cache($mailbox); if (!empty($messages) && $messages != '*' && $this->hasCapability('UIDPLUS')) { $messages = self::compressMessageSet($messages); @@ -1170,9 +1276,9 @@ * @return boolean True on success, False on error * @since 0.5 */ - function close() + public function close() { - $result = $this->execute('CLOSE', NULL, self::COMMAND_NORESPONSE); + $result = $this->execute('CLOSE', null, self::COMMAND_NORESPONSE); if ($result == self::ERROR_OK) { $this->selected = null; @@ -1189,12 +1295,12 @@ * * @return boolean True on success, False on error */ - function subscribe($mailbox) + public function subscribe($mailbox) { $result = $this->execute('SUBSCRIBE', array($this->escape($mailbox)), self::COMMAND_NORESPONSE); - return ($result == self::ERROR_OK); + return $result == self::ERROR_OK; } /** @@ -1204,23 +1310,23 @@ * * @return boolean True on success, False on error */ - function unsubscribe($mailbox) + public function unsubscribe($mailbox) { $result = $this->execute('UNSUBSCRIBE', array($this->escape($mailbox)), self::COMMAND_NORESPONSE); - return ($result == self::ERROR_OK); + return $result == self::ERROR_OK; } /** * Folder creation (CREATE) * * @param string $mailbox Mailbox name - * @param array $types Optional folder types (RFC 6154) + * @param array $types Optional folder types (RFC 6154) * * @return bool True on success, False on error */ - function createFolder($mailbox, $types = null) + public function createFolder($mailbox, $types = null) { $args = array($this->escape($mailbox)); @@ -1231,7 +1337,7 @@ $result = $this->execute('CREATE', $args, self::COMMAND_NORESPONSE); - return ($result == self::ERROR_OK); + return $result == self::ERROR_OK; } /** @@ -1241,12 +1347,12 @@ * * @return bool True on success, False on error */ - function renameFolder($from, $to) + public function renameFolder($from, $to) { $result = $this->execute('RENAME', array($this->escape($from), $this->escape($to)), self::COMMAND_NORESPONSE); - return ($result == self::ERROR_OK); + return $result == self::ERROR_OK; } /** @@ -1256,12 +1362,12 @@ * * @return boolean True on success, False on error */ - function deleteFolder($mailbox) + public function deleteFolder($mailbox) { $result = $this->execute('DELETE', array($this->escape($mailbox)), self::COMMAND_NORESPONSE); - return ($result == self::ERROR_OK); + return $result == self::ERROR_OK; } /** @@ -1271,18 +1377,19 @@ * * @return boolean True on success, False on error */ - function clearFolder($mailbox) + public function clearFolder($mailbox) { - $num_in_trash = $this->countMessages($mailbox); - if ($num_in_trash > 0) { + if ($this->countMessages($mailbox) > 0) { $res = $this->flag($mailbox, '1:*', 'DELETED'); } if ($res) { - if ($this->selected === $mailbox) + if ($this->selected === $mailbox) { $res = $this->close(); - else + } + else { $res = $this->expunge($mailbox); + } } return $res; @@ -1299,7 +1406,7 @@ * @return array|bool List of mailboxes or hash of options if STATUS/MYROGHTS response * is requested, False on error. */ - function listMailboxes($ref, $mailbox, $return_opts=array(), $select_opts=array()) + public function listMailboxes($ref, $mailbox, $return_opts = array(), $select_opts = array()) { return $this->_listMailboxes($ref, $mailbox, false, $return_opts, $select_opts); } @@ -1314,9 +1421,9 @@ * @return array|bool List of mailboxes or hash of options if STATUS/MYROGHTS response * is requested, False on error. */ - function listSubscribed($ref, $mailbox, $return_opts=array()) + public function listSubscribed($ref, $mailbox, $return_opts = array()) { - return $this->_listMailboxes($ref, $mailbox, true, $return_opts, NULL); + return $this->_listMailboxes($ref, $mailbox, true, $return_opts, null); } /** @@ -1423,11 +1530,13 @@ // store folder options if ($cmd == 'LIST') { // Add to options array - if (empty($this->data['LIST'][$mailbox])) + if (empty($this->data['LIST'][$mailbox])) { $this->data['LIST'][$mailbox] = $opts; - else if (!empty($opts)) + } + else if (!empty($opts)) { $this->data['LIST'][$mailbox] = array_unique(array_merge( $this->data['LIST'][$mailbox], $opts)); + } } } else if ($lstatus) { @@ -1461,13 +1570,9 @@ * * @return int Number of messages, False on error */ - function countMessages($mailbox, $refresh = false) + public function countMessages($mailbox) { - if ($refresh) { - $this->selected = null; - } - - if ($this->selected === $mailbox) { + if ($this->selected === $mailbox && isset($this->data['EXISTS'])) { return $this->data['EXISTS']; } @@ -1493,16 +1598,22 @@ * * @return int Number of messages, False on error */ - function countRecent($mailbox) + public function countRecent($mailbox) { - if (!strlen($mailbox)) { - $mailbox = 'INBOX'; + if ($this->selected === $mailbox && isset($this->data['RECENT'])) { + return $this->data['RECENT']; } - $this->select($mailbox); + // Check internal cache + $cache = $this->data['STATUS:'.$mailbox]; + if (!empty($cache) && isset($cache['RECENT'])) { + return (int) $cache['RECENT']; + } - if ($this->selected === $mailbox) { - return $this->data['RECENT']; + // Try STATUS (should be faster than SELECT) + $counts = $this->status($mailbox, array('RECENT')); + if (is_array($counts)) { + return (int) $counts['RECENT']; } return false; @@ -1515,7 +1626,7 @@ * * @return int Number of messages, False on error */ - function countUnseen($mailbox) + public function countUnseen($mailbox) { // Check internal cache $cache = $this->data['STATUS:'.$mailbox]; @@ -1546,7 +1657,7 @@ * @return array Server identification information key/value hash * @since 0.6 */ - function id($items=array()) + public function id($items = array()) { if (is_array($items) && !empty($items)) { foreach ($items as $key => $value) { @@ -1559,8 +1670,7 @@ !empty($args) ? '(' . implode(' ', (array) $args) . ')' : $this->escape(null) )); - - if ($code == self::ERROR_OK && preg_match('/\* ID /i', $response)) { + if ($code == self::ERROR_OK && preg_match('/^\* ID /i', $response)) { $response = substr($response, 5); // remove prefix "* ID " $items = $this->tokenizeResponse($response, 1); $result = null; @@ -1583,7 +1693,7 @@ * @return array|bool List of enabled extensions, False on error * @since 0.6 */ - function enable($extension) + public function enable($extension) { if (empty($extension)) { return false; @@ -1613,7 +1723,7 @@ list($code, $response) = $this->execute('ENABLE', $extension); - if ($code == self::ERROR_OK && preg_match('/\* ENABLED /i', $response)) { + if ($code == self::ERROR_OK && preg_match('/^\* ENABLED /i', $response)) { $response = substr($response, 10); // remove prefix "* ENABLED " $result = (array) $this->tokenizeResponse($response); @@ -1636,7 +1746,7 @@ * * @return rcube_result_index Response data */ - function sort($mailbox, $field = 'ARRIVAL', $criteria = '', $return_uid = false, $encoding = 'US-ASCII') + public function sort($mailbox, $field = 'ARRIVAL', $criteria = '', $return_uid = false, $encoding = 'US-ASCII') { $old_sel = $this->selected; $supported = array('ARRIVAL', 'CC', 'DATE', 'FROM', 'SIZE', 'SUBJECT', 'TO'); @@ -1688,7 +1798,7 @@ * * @return rcube_result_thread Thread data */ - function thread($mailbox, $algorithm='REFERENCES', $criteria='', $return_uid=false, $encoding='US-ASCII') + public function thread($mailbox, $algorithm = 'REFERENCES', $criteria = '', $return_uid = false, $encoding = 'US-ASCII') { $old_sel = $this->selected; @@ -1704,7 +1814,6 @@ $encoding = $encoding ? trim($encoding) : 'US-ASCII'; $algorithm = $algorithm ? trim($algorithm) : 'REFERENCES'; $criteria = $criteria ? 'ALL '.trim($criteria) : 'ALL'; - $data = ''; list($code, $response) = $this->execute($return_uid ? 'UID THREAD' : 'THREAD', array($algorithm, $encoding, $criteria)); @@ -1726,7 +1835,7 @@ * * @return rcube_result_index Result data */ - function search($mailbox, $criteria, $return_uid=false, $items=array()) + public function search($mailbox, $criteria, $return_uid = false, $items = array()) { $old_sel = $this->selected; @@ -1783,7 +1892,7 @@ * * @return rcube_result_index Response data */ - function index($mailbox, $message_set, $index_field='', $skip_deleted=true, + public function index($mailbox, $message_set, $index_field='', $skip_deleted=true, $uidfetch=false, $return_uid=false) { $msg_index = $this->fetchHeaderIndex($mailbox, $message_set, @@ -1801,16 +1910,31 @@ return new rcube_result_index($mailbox, $msg_index); } - function fetchHeaderIndex($mailbox, $message_set, $index_field='', $skip_deleted=true, - $uidfetch=false, $return_uid=false) + /** + * Fetches specified header/data value for a set of messages. + * + * @param string $mailbox Mailbox name + * @param string|array $message_set Searching criteria (list of messages to return) + * @param string $index_field Field to sort by (ARRIVAL, CC, DATE, FROM, SIZE, SUBJECT, TO) + * @param bool $skip_deleted Makes that DELETED messages will be skipped + * @param bool $uidfetch Enables UID FETCH usage + * @param bool $return_uid Enables returning UIDs instead of IDs + * + * @return array|bool List of header values or False on failure + */ + public function fetchHeaderIndex($mailbox, $message_set, $index_field = '', $skip_deleted = true, + $uidfetch = false, $return_uid = false) { if (is_array($message_set)) { - if (!($message_set = $this->compressMessageSet($message_set))) + if (!($message_set = $this->compressMessageSet($message_set))) { return false; - } else { + } + } + else { list($from_idx, $to_idx) = explode(':', $message_set); if (empty($message_set) || - (isset($to_idx) && $to_idx != '*' && (int)$from_idx > (int)$to_idx)) { + (isset($to_idx) && $to_idx != '*' && (int)$from_idx > (int)$to_idx) + ) { return false; } } @@ -1836,7 +1960,7 @@ return false; } - /* Do "SELECT" command */ + // Select the mailbox if (!$this->select($mailbox)) { return false; } @@ -1846,26 +1970,33 @@ $cmd = $uidfetch ? 'UID FETCH' : 'FETCH'; $fields = array(); - if ($return_uid) + if ($return_uid) { $fields[] = 'UID'; - if ($skip_deleted) + } + if ($skip_deleted) { $fields[] = 'FLAGS'; + } if ($mode == 1) { - if ($index_field == 'DATE') + if ($index_field == 'DATE') { $fields[] = 'INTERNALDATE'; + } $fields[] = "BODY.PEEK[HEADER.FIELDS ($index_field)]"; } else if ($mode == 2) { - if ($index_field == 'SIZE') + if ($index_field == 'SIZE') { $fields[] = 'RFC822.SIZE'; - else if (!$return_uid || $index_field != 'UID') + } + else if (!$return_uid || $index_field != 'UID') { $fields[] = $index_field; + } } - else if ($mode == 3 && !$skip_deleted) + else if ($mode == 3 && !$skip_deleted) { $fields[] = 'FLAGS'; - else if ($mode == 4) + } + else if ($mode == 4) { $fields[] = 'INTERNALDATE'; + } $request = "$key $cmd $message_set (" . implode(' ', $fields) . ")"; @@ -1882,13 +2013,15 @@ if (preg_match('/^\* ([0-9]+) FETCH/', $line, $m)) { $id = $m[1]; - $flags = NULL; + $flags = null; if ($return_uid) { - if (preg_match('/UID ([0-9]+)/', $line, $matches)) + if (preg_match('/UID ([0-9]+)/', $line, $matches)) { $id = (int) $matches[1]; - else + } + else { continue; + } } if ($skip_deleted && preg_match('/FLAGS \(([^)]+)\)/', $line, $matches)) { $flags = explode(' ', strtoupper($matches[1])); @@ -1905,38 +2038,48 @@ } // non-existent/empty Date: header, use INTERNALDATE if (empty($result[$id])) { - if (preg_match('/INTERNALDATE "([^"]+)"/', $line, $matches)) + if (preg_match('/INTERNALDATE "([^"]+)"/', $line, $matches)) { $result[$id] = $this->strToTime($matches[1]); - else + } + else { $result[$id] = 0; + } } - } else if ($mode == 1) { + } + else if ($mode == 1) { if (preg_match('/BODY\[HEADER\.FIELDS \("?(FROM|REPLY-TO|SENDER|TO|SUBJECT)"?\)\] (.*)/', $line, $matches)) { $value = preg_replace(array('/^"*[a-z]+:/i', '/\s+$/sm'), array('', ''), $matches[2]); $result[$id] = trim($value); - } else { + } + else { $result[$id] = ''; } - } else if ($mode == 2) { + } + else if ($mode == 2) { if (preg_match('/' . $index_field . ' ([0-9]+)/', $line, $matches)) { $result[$id] = trim($matches[1]); - } else { + } + else { $result[$id] = 0; } - } else if ($mode == 3) { + } + else if ($mode == 3) { if (!$flags && preg_match('/FLAGS \(([^)]+)\)/', $line, $matches)) { $flags = explode(' ', $matches[1]); } - $result[$id] = in_array('\\'.$index_field, $flags) ? 1 : 0; - } else if ($mode == 4) { + $result[$id] = in_array("\\".$index_field, (array) $flags) ? 1 : 0; + } + else if ($mode == 4) { if (preg_match('/INTERNALDATE "([^"]+)"/', $line, $matches)) { $result[$id] = $this->strToTime($matches[1]); - } else { + } + else { $result[$id] = 0; } } } - } while (!$this->startsWith($line, $key, true, true)); + } + while (!$this->startsWith($line, $key, true, true)); return $result; } @@ -1949,7 +2092,7 @@ * * @return int Message sequence identifier */ - function UID2ID($mailbox, $uid) + public function UID2ID($mailbox, $uid) { if ($uid > 0) { $index = $this->search($mailbox, "UID $uid"); @@ -1959,7 +2102,6 @@ return (int) $arr[0]; } } - return null; } /** @@ -1970,7 +2112,7 @@ * * @return int Message unique identifier */ - function ID2UID($mailbox, $id) + public function ID2UID($mailbox, $id) { if (empty($id) || $id < 0) { return null; @@ -1980,54 +2122,66 @@ return null; } + if ($uid = $this->data['UID-MAP'][$id]) { + return $uid; + } + + if (isset($this->data['EXISTS']) && $id > $this->data['EXISTS']) { + return null; + } + $index = $this->search($mailbox, $id, true); if ($index->count() == 1) { $arr = $index->get(); - return (int) $arr[0]; + return $this->data['UID-MAP'][$id] = (int) $arr[0]; } - - return null; } /** * Sets flag of the message(s) * - * @param string $mailbox Mailbox name - * @param string|array $messages Message UID(s) - * @param string $flag Flag name + * @param string $mailbox Mailbox name + * @param string|array $messages Message UID(s) + * @param string $flag Flag name * * @return bool True on success, False on failure */ - function flag($mailbox, $messages, $flag) { + public function flag($mailbox, $messages, $flag) + { return $this->modFlag($mailbox, $messages, $flag, '+'); } /** * Unsets flag of the message(s) * - * @param string $mailbox Mailbox name - * @param string|array $messages Message UID(s) - * @param string $flag Flag name + * @param string $mailbox Mailbox name + * @param string|array $messages Message UID(s) + * @param string $flag Flag name * * @return bool True on success, False on failure */ - function unflag($mailbox, $messages, $flag) { + public function unflag($mailbox, $messages, $flag) + { return $this->modFlag($mailbox, $messages, $flag, '-'); } /** * Changes flag of the message(s) * - * @param string $mailbox Mailbox name - * @param string|array $messages Message UID(s) - * @param string $flag Flag name - * @param string $mod Modifier [+|-]. Default: "+". + * @param string $mailbox Mailbox name + * @param string|array $messages Message UID(s) + * @param string $flag Flag name + * @param string $mod Modifier [+|-]. Default: "+". * * @return bool True on success, False on failure */ protected function modFlag($mailbox, $messages, $flag, $mod = '+') { + if (!$flag) { + return false; + } + if (!$this->select($mailbox)) { return false; } @@ -2041,8 +2195,10 @@ $flag = $this->flags[strtoupper($flag)]; } - if (!$flag || !in_array($flag, (array) $this->data['PERMANENTFLAGS']) - || !in_array('\\*', (array) $this->data['PERMANENTFLAGS']) + // if PERMANENTFLAGS is not specified all flags are allowed + if (!empty($this->data['PERMANENTFLAGS']) + && !in_array($flag, (array) $this->data['PERMANENTFLAGS']) + && !in_array('\\*', (array) $this->data['PERMANENTFLAGS']) ) { return false; } @@ -2060,19 +2216,19 @@ $this->compressMessageSet($messages), $mod . 'FLAGS.SILENT', "($flag)"), self::COMMAND_NORESPONSE); - return ($result == self::ERROR_OK); + return $result == self::ERROR_OK; } /** * Copies message(s) from one folder to another * - * @param string|array $messages Message UID(s) - * @param string $from Mailbox name - * @param string $to Destination mailbox name + * @param string|array $messages Message UID(s) + * @param string $from Mailbox name + * @param string $to Destination mailbox name * * @return bool True on success, False on failure */ - function copy($messages, $from, $to) + public function copy($messages, $from, $to) { // Clear last COPYUID data unset($this->data['COPYUID']); @@ -2088,19 +2244,19 @@ $this->compressMessageSet($messages), $this->escape($to)), self::COMMAND_NORESPONSE); - return ($result == self::ERROR_OK); + return $result == self::ERROR_OK; } /** * Moves message(s) from one folder to another. * - * @param string|array $messages Message UID(s) - * @param string $from Mailbox name - * @param string $to Destination mailbox name + * @param string|array $messages Message UID(s) + * @param string $from Mailbox name + * @param string $to Destination mailbox name * * @return bool True on success, False on failure */ - function move($messages, $from, $to) + public function move($messages, $from, $to) { if (!$this->select($from)) { return false; @@ -2118,13 +2274,13 @@ // Clear internal status cache unset($this->data['STATUS:'.$to]); - unset($this->data['STATUS:'.$from]); + $this->clear_status_cache($from); $result = $this->execute('UID MOVE', array( $this->compressMessageSet($messages), $this->escape($to)), self::COMMAND_NORESPONSE); - return ($result == self::ERROR_OK); + return $result == self::ERROR_OK; } // use COPY + STORE +FLAGS.SILENT \Deleted + EXPUNGE @@ -2161,7 +2317,7 @@ * @return array List of rcube_message_header elements, False on error * @since 0.6 */ - function fetch($mailbox, $message_set, $is_uid = false, $query_items = array(), + public function fetch($mailbox, $message_set, $is_uid = false, $query_items = array(), $mod_seq = null, $vanished = false) { if (!$this->select($mailbox)) { @@ -2187,8 +2343,9 @@ do { $line = $this->readLine(4096); - if (!$line) + if (!$line) { break; + } // Sample reply line: // * 321 FETCH (UID 2417 RFC822.SIZE 2730 FLAGS (\Seen) @@ -2215,14 +2372,16 @@ while (strlen($out) < $bytes) { $out = $this->readBytes($bytes); - if ($out === NULL) + if ($out === null) { break; + } $line .= $out; } $str = $this->readLine(4096); - if ($str === false) + if ($str === false) { break; + } $line .= $str; } @@ -2246,7 +2405,7 @@ else if ($name == 'FLAGS') { if (!empty($value)) { foreach ((array)$value as $flag) { - $flag = str_replace(array('$', '\\'), '', $flag); + $flag = str_replace(array('$', "\\"), '', $flag); $flag = strtoupper($flag); $result[$id]->flags[$flag] = true; @@ -2276,10 +2435,12 @@ $this->tokenizeResponse($line, 1); $headers = $this->tokenizeResponse($line, 1); } - else if (strlen($name)) + else if (strlen($name)) { $result[$id]->bodypart[$name] = $value; - else + } + else { $result[$id]->body = $value; + } } } @@ -2289,7 +2450,8 @@ foreach ($headers as $resln) { if (ord($resln[0]) <= 32) { $lines[$ln] .= (empty($lines[$ln]) ? '' : "\n") . trim($resln); - } else { + } + else { $lines[++$ln] = trim($resln); } } @@ -2305,23 +2467,18 @@ $result[$id]->date = $string; $result[$id]->timestamp = $this->strToTime($string); break; - case 'from': - $result[$id]->from = $string; - break; case 'to': $result[$id]->to = preg_replace('/undisclosed-recipients:[;,]*/', '', $string); break; + case 'from': case 'subject': - $result[$id]->subject = $string; + case 'cc': + case 'bcc': + case 'references': + $result[$id]->{$field} = $string; break; case 'reply-to': $result[$id]->replyto = $string; - break; - case 'cc': - $result[$id]->cc = $string; - break; - case 'bcc': - $result[$id]->bcc = $string; break; case 'content-transfer-encoding': $result[$id]->encoding = $string; @@ -2335,9 +2492,6 @@ break; case 'in-reply-to': $result[$id]->in_reply_to = str_replace(array("\n", '<', '>'), '', $string); - break; - case 'references': - $result[$id]->references = $string; break; case 'return-receipt-to': case 'disposition-notification-to': @@ -2364,7 +2518,6 @@ } } } - // VANISHED response (QRESYNC RFC5162) // Sample: * VANISHED (EARLIER) 300:310,405,411 else if (preg_match('/^\* VANISHED [()EARLIER]*/i', $line, $match)) { @@ -2373,8 +2526,8 @@ $this->data['VANISHED'] = $v_data; } - - } while (!$this->startsWith($line, $key, true)); + } + while (!$this->startsWith($line, $key, true)); return $result; } @@ -2390,7 +2543,7 @@ * * @return bool|array List of rcube_message_header elements, False on error */ - function fetchHeaders($mailbox, $message_set, $is_uid = false, $bodystr = false, $add_headers = array()) + public function fetchHeaders($mailbox, $message_set, $is_uid = false, $bodystr = false, $add_headers = array()) { $query_items = array('UID', 'RFC822.SIZE', 'FLAGS', 'INTERNALDATE'); $headers = array('DATE', 'FROM', 'TO', 'SUBJECT', 'CONTENT-TYPE', 'CC', 'REPLY-TO', @@ -2407,9 +2560,7 @@ $query_items[] = 'BODY.PEEK[HEADER.FIELDS (' . implode(' ', $headers) . ')]'; - $result = $this->fetch($mailbox, $message_set, $is_uid, $query_items); - - return $result; + return $this->fetch($mailbox, $message_set, $is_uid, $query_items); } /** @@ -2423,82 +2574,99 @@ * * @return bool|rcube_message_header Message data, False on error */ - function fetchHeader($mailbox, $id, $is_uid = false, $bodystr = false, $add_headers = array()) + public function fetchHeader($mailbox, $id, $is_uid = false, $bodystr = false, $add_headers = array()) { $a = $this->fetchHeaders($mailbox, $id, $is_uid, $bodystr, $add_headers); if (is_array($a)) { return array_shift($a); } + return false; } - function sortHeaders($a, $field, $flag) + /** + * Sort messages by specified header field + * + * @param array $messages Array of rcube_message_header objects + * @param string $field Name of the property to sort by + * @param string $flag Sorting order (ASC|DESC) + * + * @return array Sorted input array + */ + public static function sortHeaders($messages, $field, $flag) { - if (empty($field)) { - $field = 'uid'; - } - else { - $field = strtolower($field); - } + // Strategy: First, we'll create an "index" array. + // Then, we'll use sort() on that array, and use that to sort the main array. - if ($field == 'date' || $field == 'internaldate') { - $field = 'timestamp'; - } + $field = empty($field) ? 'uid' : strtolower($field); + $flag = empty($flag) ? 'ASC' : strtoupper($flag); + $index = array(); + $result = array(); - if (empty($flag)) { - $flag = 'ASC'; - } else { - $flag = strtoupper($flag); - } + reset($messages); - $c = count($a); - if ($c > 0) { - // Strategy: - // First, we'll create an "index" array. - // Then, we'll use sort() on that array, - // and use that to sort the main array. + while (list($key, $headers) = each($messages)) { + $value = null; - // create "index" array - $index = array(); - reset($a); - while (list($key, $val) = each($a)) { - if ($field == 'timestamp') { - $data = $this->strToTime($val->date); - if (!$data) { - $data = $val->timestamp; - } - } else { - $data = $val->$field; - if (is_string($data)) { - $data = str_replace('"', '', $data); - if ($field == 'subject') { - $data = preg_replace('/^(Re: \s*|Fwd:\s*|Fw:\s*)+/i', '', $data); - } - $data = strtoupper($data); - } + switch ($field) { + case 'arrival': + $field = 'internaldate'; + case 'date': + case 'internaldate': + case 'timestamp': + $value = self::strToTime($headers->$field); + if (!$value && $field != 'timestamp') { + $value = $headers->timestamp; } - $index[$key] = $data; + + break; + + default: + // @TODO: decode header value, convert to UTF-8 + $value = $headers->$field; + if (is_string($value)) { + $value = str_replace('"', '', $value); + if ($field == 'subject') { + $value = preg_replace('/^(Re:\s*|Fwd:\s*|Fw:\s*)+/i', '', $value); + } + + $data = strtoupper($value); + } } + $index[$key] = $value; + } + + if (!empty($index)) { // sort index if ($flag == 'ASC') { asort($index); - } else { + } + else { arsort($index); } // form new array based on index - $result = array(); - reset($index); while (list($key, $val) = each($index)) { - $result[$key] = $a[$key]; + $result[$key] = $messages[$key]; } } return $result; } - function fetchMIMEHeaders($mailbox, $uid, $parts, $mime=true) + /** + * Fetch MIME headers of specified message parts + * + * @param string $mailbox Mailbox name + * @param int $uid Message UID + * @param array $parts Message part identifiers + * @param bool $mime Use MIME instad of HEADER + * + * @return array|bool Array containing headers string for each specified body + * False on failure. + */ + public function fetchMIMEHeaders($mailbox, $uid, $parts, $mime = true) { if (!$this->select($mailbox)) { return false; @@ -2526,87 +2694,94 @@ do { $line = $this->readLine(1024); - if (preg_match('/^\* [0-9]+ FETCH [0-9UID( ]+BODY\[([0-9\.]+)\.'.$type.'\]/', $line, $matches)) { - $idx = $matches[1]; - $headers = ''; - - // get complete entry - if (preg_match('/\{([0-9]+)\}\r\n$/', $line, $m)) { - $bytes = $m[1]; - $out = ''; - - while (strlen($out) < $bytes) { - $out = $this->readBytes($bytes); - if ($out === null) - break; - $headers .= $out; - } + if (preg_match('/^\* [0-9]+ FETCH [0-9UID( ]+/', $line, $m)) { + $line = ltrim(substr($line, strlen($m[0]))); + while (preg_match('/^BODY\[([0-9\.]+)\.'.$type.'\]/', $line, $matches)) { + $line = substr($line, strlen($matches[0])); + $result[$matches[1]] = trim($this->multLine($line)); + $line = $this->readLine(1024); } - - $result[$idx] = trim($headers); } - } while (!$this->startsWith($line, $key, true)); + } + while (!$this->startsWith($line, $key, true)); return $result; } - function fetchPartHeader($mailbox, $id, $is_uid=false, $part=NULL) + /** + * Fetches message part header + */ + public function fetchPartHeader($mailbox, $id, $is_uid = false, $part = null) { $part = empty($part) ? 'HEADER' : $part.'.MIME'; return $this->handlePartBody($mailbox, $id, $is_uid, $part); } - function handlePartBody($mailbox, $id, $is_uid=false, $part='', $encoding=NULL, $print=NULL, $file=NULL, $formatted=false, $max_bytes=0) + /** + * Fetches body of the specified message part + */ + public function handlePartBody($mailbox, $id, $is_uid=false, $part='', $encoding=null, $print=null, $file=null, $formatted=false, $max_bytes=0) { if (!$this->select($mailbox)) { return false; } - switch ($encoding) { - case 'base64': - $mode = 1; - break; - case 'quoted-printable': - $mode = 2; - break; - case 'x-uuencode': - case 'x-uue': - case 'uue': - case 'uuencode': - $mode = 3; - break; - default: - $mode = 0; - } - - // Use BINARY extension when possible (and safe) - $binary = $mode && preg_match('/^[0-9.]+$/', $part) && $this->hasCapability('BINARY'); - $fetch_mode = $binary ? 'BINARY' : 'BODY'; - $partial = $max_bytes ? sprintf('<0.%d>', $max_bytes) : ''; - - // format request - $key = $this->nextTag(); - $request = $key . ($is_uid ? ' UID' : '') . " FETCH $id ($fetch_mode.PEEK[$part]$partial)"; - $result = false; - $found = false; - - // send request - if (!$this->putLine($request)) { - $this->setError(self::ERROR_COMMAND, "Unable to send command: $request"); - return false; - } - - if ($binary) { - // WARNING: Use $formatted argument with care, this may break binary data stream - $mode = -1; - } + $binary = true; do { + if (!$initiated) { + switch ($encoding) { + case 'base64': + $mode = 1; + break; + case 'quoted-printable': + $mode = 2; + break; + case 'x-uuencode': + case 'x-uue': + case 'uue': + case 'uuencode': + $mode = 3; + break; + default: + $mode = 0; + } + + // Use BINARY extension when possible (and safe) + $binary = $binary && $mode && preg_match('/^[0-9.]+$/', $part) && $this->hasCapability('BINARY'); + $fetch_mode = $binary ? 'BINARY' : 'BODY'; + $partial = $max_bytes ? sprintf('<0.%d>', $max_bytes) : ''; + + // format request + $key = $this->nextTag(); + $request = $key . ($is_uid ? ' UID' : '') . " FETCH $id ($fetch_mode.PEEK[$part]$partial)"; + $result = false; + $found = false; + $initiated = true; + + // send request + if (!$this->putLine($request)) { + $this->setError(self::ERROR_COMMAND, "Unable to send command: $request"); + return false; + } + + if ($binary) { + // WARNING: Use $formatted argument with care, this may break binary data stream + $mode = -1; + } + } + $line = trim($this->readLine(1024)); if (!$line) { break; + } + + // handle UNKNOWN-CTE response - RFC 3516, try again with standard BODY request + if ($binary && !$found && preg_match('/^' . $key . ' NO \[UNKNOWN-CTE\]/i', $line)) { + $binary = $initiated = false; + continue; } // skip irrelevant untagged responses (we have a result already) @@ -2655,7 +2830,7 @@ else while ($bytes > 0) { $line = $this->readLine(8192); - if ($line === NULL) { + if ($line === null) { break; } @@ -2669,7 +2844,7 @@ // BASE64 if ($mode == 1) { - $line = rtrim($line, "\t\r\n\0\x0B"); + $line = preg_replace('|[^a-zA-Z0-9+=/]|', '', $line); // create chunks with proper length for base64 decoding $line = $prev.$line; $length = strlen($line); @@ -2714,7 +2889,8 @@ } } } - } while (!$this->startsWith($line, $key, true)); + } + while (!$this->startsWith($line, $key, true) || !$initiated); if ($result !== false) { if ($file) { @@ -2742,7 +2918,7 @@ * * @return string|bool On success APPENDUID response (if available) or True, False on failure */ - function append($mailbox, &$message, $flags = array(), $date = null, $binary = false) + public function append($mailbox, &$message, $flags = array(), $date = null, $binary = false) { unset($this->data['APPENDUID']); @@ -2860,7 +3036,7 @@ * * @return string|bool On success APPENDUID response (if available) or True, False on failure */ - function appendFromFile($mailbox, $path, $headers=null, $flags = array(), $date = null, $binary = false) + public function appendFromFile($mailbox, $path, $headers=null, $flags = array(), $date = null, $binary = false) { // open message file if (file_exists(realpath($path))) { @@ -2888,7 +3064,7 @@ * * @return array Quota information */ - function getQuota($mailbox = null) + public function getQuota($mailbox = null) { if ($mailbox === null || $mailbox === '') { $mailbox = 'INBOX'; @@ -2958,7 +3134,7 @@ * * @since 0.5-beta */ - function setACL($mailbox, $user, $acl) + public function setACL($mailbox, $user, $acl) { if (is_array($acl)) { $acl = implode('', $acl); @@ -2981,7 +3157,7 @@ * * @since 0.5-beta */ - function deleteACL($mailbox, $user) + public function deleteACL($mailbox, $user) { $result = $this->execute('DELETEACL', array( $this->escape($mailbox), $this->escape($user)), @@ -2998,7 +3174,7 @@ * @return array User-rights array on success, NULL on error * @since 0.5-beta */ - function getACL($mailbox) + public function getACL($mailbox) { list($code, $response) = $this->execute('GETACL', array($this->escape($mailbox))); @@ -3023,10 +3199,7 @@ } $this->setError(self::ERROR_COMMAND, "Incomplete ACL response"); - return NULL; } - - return NULL; } /** @@ -3038,7 +3211,7 @@ * @return array List of user rights * @since 0.5-beta */ - function listRights($mailbox, $user) + public function listRights($mailbox, $user) { list($code, $response) = $this->execute('LISTRIGHTS', array( $this->escape($mailbox), $this->escape($user))); @@ -3057,8 +3230,6 @@ 'optional' => explode(' ', $optional), ); } - - return NULL; } /** @@ -3069,7 +3240,7 @@ * @return array MYRIGHTS response on success, NULL on error * @since 0.5-beta */ - function myRights($mailbox) + public function myRights($mailbox) { list($code, $response) = $this->execute('MYRIGHTS', array($this->escape($mailbox))); @@ -3082,8 +3253,6 @@ return str_split($rights); } - - return NULL; } /** @@ -3095,7 +3264,7 @@ * @return boolean True on success, False on failure * @since 0.5-beta */ - function setMetadata($mailbox, $entries) + public function setMetadata($mailbox, $entries) { if (!is_array($entries) || empty($entries)) { $this->setError(self::ERROR_COMMAND, "Wrong argument for SETMETADATA command"); @@ -3124,7 +3293,7 @@ * * @since 0.5-beta */ - function deleteMetadata($mailbox, $entries) + public function deleteMetadata($mailbox, $entries) { if (!is_array($entries) && !empty($entries)) { $entries = explode(' ', $entries); @@ -3136,7 +3305,7 @@ } foreach ($entries as $entry) { - $data[$entry] = NULL; + $data[$entry] = null; } return $this->setMetadata($mailbox, $data); @@ -3153,7 +3322,7 @@ * * @since 0.5-beta */ - function getMetadata($mailbox, $entries, $options=array()) + public function getMetadata($mailbox, $entries, $options=array()) { if (!is_array($entries)) { $entries = array($entries); @@ -3199,9 +3368,9 @@ for ($i=0; $i<$size; $i++) { if (isset($mbox) && is_array($data[$i])) { $size_sub = count($data[$i]); - for ($x=0; $x<$size_sub; $x++) { + for ($x=0; $x<$size_sub; $x+=2) { if ($data[$i][$x+1] !== null) - $result[$mbox][$data[$i][$x]] = $data[$i][++$x]; + $result[$mbox][$data[$i][$x]] = $data[$i][$x+1]; } unset($data[$i]); } @@ -3219,8 +3388,8 @@ } } else if (isset($mbox)) { - if ($data[$i+1] !== null) - $result[$mbox][$data[$i]] = $data[++$i]; + if ($data[++$i] !== null) + $result[$mbox][$data[$i-1]] = $data[$i]; unset($data[$i]); unset($data[$i-1]); } @@ -3232,8 +3401,6 @@ return $result; } - - return NULL; } /** @@ -3246,7 +3413,7 @@ * @return boolean True on success, False on failure * @since 0.5-beta */ - function setAnnotation($mailbox, $data) + public function setAnnotation($mailbox, $data) { if (!is_array($data) || empty($data)) { $this->setError(self::ERROR_COMMAND, "Wrong argument for SETANNOTATION command"); @@ -3254,11 +3421,6 @@ } foreach ($data as $entry) { - // Workaround cyrus-murder bug, the entry[2] string needs to be escaped - if (self::$mupdate) { - $entry[2] = addcslashes($entry[2], '\\"'); - } - // ANNOTATEMORE drafts before version 08 require quoted parameters $entries[] = sprintf('%s (%s %s)', $this->escape($entry[0], true), $this->escape($entry[1], true), $this->escape($entry[2], true)); @@ -3282,7 +3444,7 @@ * * @since 0.5-beta */ - function deleteAnnotation($mailbox, $data) + public function deleteAnnotation($mailbox, $data) { if (!is_array($data) || empty($data)) { $this->setError(self::ERROR_COMMAND, "Wrong argument for SETANNOTATION command"); @@ -3303,11 +3465,12 @@ * * @since 0.5-beta */ - function getAnnotation($mailbox, $entries, $attribs) + public function getAnnotation($mailbox, $entries, $attribs) { if (!is_array($entries)) { $entries = array($entries); } + // create entries string // ANNOTATEMORE drafts before version 08 require quoted parameters foreach ($entries as $idx => $name) { @@ -3318,7 +3481,8 @@ if (!is_array($attribs)) { $attribs = array($attribs); } - // create entries string + + // create attributes string foreach ($attribs as $idx => $name) { $attribs[$idx] = $this->escape($name, true); } @@ -3380,8 +3544,6 @@ return $result; } - - return NULL; } /** @@ -3394,13 +3556,15 @@ * @return array/bool Body structure array or False on error. * @since 0.6 */ - function getStructure($mailbox, $id, $is_uid = false) + public function getStructure($mailbox, $id, $is_uid = false) { $result = $this->fetch($mailbox, $id, $is_uid, array('BODYSTRUCTURE')); + if (is_array($result)) { $result = array_shift($result); return $result->bodystructure; } + return false; } @@ -3412,7 +3576,7 @@ * * @return array Part data as hash array (type, encoding, charset, size) */ - static function getStructurePartData($structure, $part) + public static function getStructurePartData($structure, $part) { $part_a = self::getStructurePartArray($structure, $part); $data = array(); @@ -3448,7 +3612,7 @@ return $data; } - static function getStructurePartArray($a, $part) + public static function getStructurePartArray($a, $part) { if (!is_array($a)) { return false; @@ -3483,7 +3647,7 @@ * @return string Command identifier * @since 0.5-beta */ - function nextTag() + public function nextTag() { $this->cmd_num++; $this->cmd_tag = sprintf('A%04d', $this->cmd_num); @@ -3501,7 +3665,7 @@ * @return mixed Response code or list of response code and data * @since 0.5-beta */ - function execute($command, $arguments=array(), $options=0) + public function execute($command, $arguments=array(), $options=0) { $tag = $this->nextTag(); $query = $tag . ' ' . $command; @@ -3526,7 +3690,8 @@ if ($response !== null) { $response .= $line; } - } while (!$this->startsWith($line, $tag . ' ', true, true)); + } + while (!$this->startsWith($line, $tag . ' ', true, true)); $code = $this->parseResult($line, $command . ': '); @@ -3560,7 +3725,7 @@ * @return mixed Tokens array or string if $num=1 * @since 0.5-beta */ - static function tokenizeResponse(&$str, $num=0) + public static function tokenizeResponse(&$str, $num=0) { $result = array(); @@ -3578,9 +3743,9 @@ if (!is_numeric(($bytes = substr($str, 1, $epos - 1)))) { // error } + $result[] = $bytes ? substr($str, $epos + 3, $bytes) : ''; - // Advance the string - $str = substr($str, $epos + 3 + $bytes); + $str = substr($str, $epos + 3 + $bytes); break; // Quoted string @@ -3597,9 +3762,7 @@ } } } - if ($str[$pos] != '"') { - // error - } + // we need to strip slashes for a quoted string $result[] = stripslashes(substr($str, 1, $pos - 1)); $str = substr($str, $pos + 1); @@ -3607,13 +3770,13 @@ // Parenthesized list case '(': - $str = substr($str, 1); + $str = substr($str, 1); $result[] = self::tokenizeResponse($str); break; + case ')': $str = substr($str, 1); return $result; - break; // String atom, number, astring, NIL, *, % default: @@ -3625,8 +3788,8 @@ // excluded chars: SP, CTL, ), DEL // we do not exclude [ and ] (#1489223) if (preg_match('/^([^\x00-\x20\x29\x7F]+)/', $str, $m)) { - $result[] = $m[1] == 'NIL' ? NULL : $m[1]; - $str = substr($str, strlen($m[1])); + $result[] = $m[1] == 'NIL' ? null : $m[1]; + $str = substr($str, strlen($m[1])); } break; } @@ -3635,7 +3798,7 @@ return $num == 1 ? $result[0] : $result; } - static function r_implode($element) + protected static function r_implode($element) { $string = ''; @@ -3660,7 +3823,7 @@ * * @return string Compressed sequence-set */ - static function compressMessageSet($messages, $force=false) + public static function compressMessageSet($messages, $force=false) { // given a comma delimited list of independent mid's, // compresses by grouping sequences together @@ -3690,7 +3853,8 @@ if ($incr > 1) { // found a gap if ($start == $prev) { $result[] = $prev; // push single id - } else { + } + else { $result[] = $start . ':' . $prev; // push sequence as start_id:end_id } $start = $id; // start of new sequence @@ -3701,7 +3865,8 @@ // handle the last sequence/id if ($start == $prev) { $result[] = $prev; - } else { + } + else { $result[] = $start.':'.$prev; } @@ -3716,7 +3881,7 @@ * * @return array List of message identifiers */ - static function uncompressMessageSet($messages) + public static function uncompressMessageSet($messages) { if (empty($messages)) { return array(); @@ -3751,6 +3916,35 @@ } /** + * Clear internal status cache + */ + protected function clear_status_cache($mailbox) + { + unset($this->data['STATUS:' . $mailbox]); + + $keys = array('EXISTS', 'RECENT', 'UNSEEN', 'UID-MAP'); + + foreach ($keys as $key) { + unset($this->data[$key]); + } + } + + /** + * Clear internal cache of the current mailbox + */ + protected function clear_mailbox_cache() + { + $this->clear_status_cache($this->selected); + + $keys = array('UIDNEXT', 'UIDVALIDITY', 'HIGHESTMODSEQ', 'NOMODSEQ', + 'PERMANENTFLAGS', 'QRESYNC', 'VANISHED', 'READ-WRITE'); + + foreach ($keys as $key) { + unset($this->data[$key]); + } + } + + /** * Converts flags array into string for inclusion in IMAP command * * @param array $flags Flags (see self::flags) @@ -3775,7 +3969,7 @@ * * @return int Unix timestamp */ - static function strToTime($date) + protected static function strToTime($date) { // Clean malformed data $date = preg_replace( @@ -3823,10 +4017,6 @@ $this->prefs['literal+'] = true; } - if (preg_match('/(\[| )MUPDATE=.*/', $str)) { - self::$mupdate = true; - } - if ($trusted) { $this->capability_readed = true; } @@ -3841,7 +4031,7 @@ * @return string String atom, quoted-string or string literal * @todo lists */ - static function escape($string, $force_quotes=false) + public static function escape($string, $force_quotes=false) { if ($string === null) { return 'NIL'; @@ -3873,10 +4063,10 @@ * * @since 0.5-stable */ - function setDebug($debug, $handler = null) + public function setDebug($debug, $handler = null) { - $this->_debug = $debug; - $this->_debug_handler = $handler; + $this->debug = $debug; + $this->debug_handler = $handler; } /** @@ -3898,11 +4088,11 @@ $message = sprintf('[%s] %s', $this->resourceid, $message); } - if ($this->_debug_handler) { - call_user_func_array($this->_debug_handler, array(&$this, $message)); - } else { + if ($this->debug_handler) { + call_user_func_array($this->debug_handler, array(&$this, $message)); + } + else { echo "DEBUG: $message\n"; } } - } -- Gitblit v1.9.1