From 66510e20d36cb8da4f3012ef063de7bfce9b51aa Mon Sep 17 00:00:00 2001 From: Aleksander Machniak <alec@alec.pl> Date: Wed, 09 May 2012 07:52:28 -0400 Subject: [PATCH] Merge pull request #1 from Brianetta/de-svn --- program/include/rcube_imap_generic.php | 1296 +++++++++++++++++++++++++++++++--------------------------- 1 files changed, 691 insertions(+), 605 deletions(-) diff --git a/program/include/rcube_imap_generic.php b/program/include/rcube_imap_generic.php index a4e921f..77b0cc4 100644 --- a/program/include/rcube_imap_generic.php +++ b/program/include/rcube_imap_generic.php @@ -5,9 +5,12 @@ | program/include/rcube_imap_generic.php | | | | This file is part of the Roundcube Webmail client | - | Copyright (C) 2005-2010, The Roundcube Dev Team | - | Copyright (C) 2011, Kolab Systems AG | - | Licensed under the GNU GPL | + | Copyright (C) 2005-2012, The Roundcube Dev Team | + | Copyright (C) 2011-2012, Kolab Systems AG | + | | + | Licensed under the GNU General Public License version 3 or | + | any later version with exceptions for skins & plugins. | + | See the README file for a full license statement. | | | | PURPOSE: | | Provide alternative IMAP library that doesn't rely on the standard | @@ -26,43 +29,9 @@ */ +// for backward compat. +class rcube_mail_header extends rcube_message_header { } -/** - * Struct representing an e-mail message header - * - * @package Mail - * @author Aleksander Machniak <alec@alec.pl> - */ -class rcube_mail_header -{ - public $id; - public $uid; - public $subject; - public $from; - public $to; - public $cc; - public $replyto; - public $in_reply_to; - public $date; - public $messageID; - public $size; - public $encoding; - public $charset; - public $ctype; - public $timestamp; - public $bodystructure; - public $internaldate; - public $references; - public $priority; - public $mdn_to; - public $others = array(); - public $flags = array(); -} - -// For backward compatibility with cached messages (#1486602) -class iilBasicHeader extends rcube_mail_header -{ -} /** * PHP based wrapper class to connect to an IMAP server @@ -154,16 +123,17 @@ * @param string $string Command string * @param bool $endln True if CRLF need to be added at the end of command * - * @param int Number of bytes sent, False on error + * @return int|bool Number of bytes sent, False on error */ function putLineC($string, $endln=true) { - if (!$this->fp) + if (!$this->fp) { return false; + } - if ($endln) + if ($endln) { $string .= "\r\n"; - + } $res = 0; if ($parts = preg_split('/(\{[0-9]+\}\r\n)/m', $string, -1, PREG_SPLIT_DELIM_CAPTURE)) { @@ -199,6 +169,13 @@ return $res; } + /** + * Reads line from the connection stream + * + * @param int $size Buffer size + * + * @return string Line of text response + */ function readLine($size=1024) { $line = ''; @@ -227,6 +204,15 @@ return $line; } + /** + * Reads more data from the connection stream when provided + * data contain string literal + * + * @param string $line Response text + * @param bool $escape Enables escaping + * + * @return string Line of text response + */ function multLine($line, $escape = false) { $line = rtrim($line); @@ -248,6 +234,13 @@ return $line; } + /** + * Reads specified number of bytes from the connection stream + * + * @param int $bytes Number of bytes to get + * + * @return string Response text + */ function readBytes($bytes) { $data = ''; @@ -269,6 +262,13 @@ return $data; } + /** + * Reads complete response to the IMAP command + * + * @param array $untagged Will be filled with untagged response lines + * + * @return string Response text + */ function readReply(&$untagged=null) { do { @@ -284,6 +284,14 @@ return $line; } + /** + * Response parser. + * + * @param string $string Response text + * @param string $err_prefix Error message prefix + * + * @return int Response status + */ function parseResult($string, $err_prefix='') { if (preg_match('/^[a-z0-9*]+ (OK|NO|BAD|BYE)(.*)$/i', trim($string), $matches)) { @@ -327,6 +335,11 @@ return self::ERROR_UNKNOWN; } + /** + * Checks connection stream state. + * + * @return bool True if connection is closed + */ private function eof() { if (!is_resource($this->fp)) { @@ -337,7 +350,7 @@ // by the server, feof() will hang. $start = microtime(true); - if (feof($this->fp) || + if (feof($this->fp) || ($this->prefs['timeout'] && (microtime(true) - $start > $this->prefs['timeout'])) ) { $this->closeSocket(); @@ -347,29 +360,41 @@ return false; } + /** + * Closes connection stream. + */ private function closeSocket() { @fclose($this->fp); $this->fp = null; } + /** + * Error code/message setter. + */ function setError($code, $msg='') { $this->errornum = $code; $this->error = $msg; } - // check if $string starts with $match (or * BYE/BAD) + /** + * Checks response status. + * Checks if command response line starts with specified prefix (or * BYE/BAD) + * + * @param string $string Response text + * @param string $match Prefix to match with (case-sensitive) + * @param bool $error Enables BYE/BAD checking + * @param bool $nonempty Enables empty response checking + * + * @return bool True any check is true or connection is closed. + */ function startsWith($string, $match, $error=false, $nonempty=false) { - $len = strlen($match); - if ($len == 0) { - return false; - } if (!$this->fp) { return true; } - if (strncmp($string, $match, $len) == 0) { + if (strncmp($string, $match, strlen($match)) == 0) { return true; } if ($error && preg_match('/^\* (BYE|BAD) /i', $string, $m)) { @@ -609,7 +634,7 @@ } /** - * Gets the delimiter + * Detects hierarchy delimiter * * @return string The delimiter */ @@ -669,6 +694,16 @@ return $this->prefs['namespace']; } + /** + * Connects to IMAP server and authenticates. + * + * @param string $host Server hostname or IP + * @param string $user User name + * @param string $password Password + * @param array $options Connection and class options + * + * @return bool True on success, False on failure + */ function connect($host, $user, $password, $options=null) { // set options @@ -856,11 +891,19 @@ return false; } + /** + * Checks connection status + * + * @return bool True if connection is active and user is logged in, False otherwise. + */ function connected() { return ($this->fp && $this->logged) ? true : false; } + /** + * Closes connection with logout. + */ function closeConnection() { if ($this->putLine($this->nextTag() . ' LOGOUT')) { @@ -1073,7 +1116,7 @@ } /** - * Executes SUBSCRIBE command + * Folder subscription (SUBSCRIBE) * * @param string $mailbox Mailbox name * @@ -1088,7 +1131,7 @@ } /** - * Executes UNSUBSCRIBE command + * Folder unsubscription (UNSUBSCRIBE) * * @param string $mailbox Mailbox name * @@ -1097,6 +1140,36 @@ function unsubscribe($mailbox) { $result = $this->execute('UNSUBSCRIBE', array($this->escape($mailbox)), + self::COMMAND_NORESPONSE); + + return ($result == self::ERROR_OK); + } + + /** + * Folder creation (CREATE) + * + * @param string $mailbox Mailbox name + * + * @return bool True on success, False on error + */ + function createFolder($mailbox) + { + $result = $this->execute('CREATE', array($this->escape($mailbox)), + self::COMMAND_NORESPONSE); + + return ($result == self::ERROR_OK); + } + + /** + * Folder renaming (RENAME) + * + * @param string $mailbox Mailbox name + * + * @return bool True on success, False on error + */ + function renameFolder($from, $to) + { + $result = $this->execute('RENAME', array($this->escape($from), $this->escape($to)), self::COMMAND_NORESPONSE); return ($result == self::ERROR_OK); @@ -1128,7 +1201,7 @@ { $num_in_trash = $this->countMessages($mailbox); if ($num_in_trash > 0) { - $res = $this->delete($mailbox, '1:*'); + $res = $this->flag($mailbox, '1:*', 'DELETED'); } if ($res) { @@ -1139,6 +1212,139 @@ } return $res; + } + + /** + * Returns list of mailboxes + * + * @param string $ref Reference name + * @param string $mailbox Mailbox name + * @param array $status_opts (see self::_listMailboxes) + * @param array $select_opts (see self::_listMailboxes) + * + * @return array List of mailboxes or hash of options if $status_opts argument + * is non-empty. + */ + function listMailboxes($ref, $mailbox, $status_opts=array(), $select_opts=array()) + { + return $this->_listMailboxes($ref, $mailbox, false, $status_opts, $select_opts); + } + + /** + * Returns list of subscribed mailboxes + * + * @param string $ref Reference name + * @param string $mailbox Mailbox name + * @param array $status_opts (see self::_listMailboxes) + * + * @return array List of mailboxes or hash of options if $status_opts argument + * is non-empty. + */ + function listSubscribed($ref, $mailbox, $status_opts=array()) + { + return $this->_listMailboxes($ref, $mailbox, true, $status_opts, NULL); + } + + /** + * IMAP LIST/LSUB command + * + * @param string $ref Reference name + * @param string $mailbox Mailbox name + * @param bool $subscribed Enables returning subscribed mailboxes only + * @param array $status_opts List of STATUS options (RFC5819: LIST-STATUS) + * Possible: MESSAGES, RECENT, UIDNEXT, UIDVALIDITY, UNSEEN + * @param array $select_opts List of selection options (RFC5258: LIST-EXTENDED) + * Possible: SUBSCRIBED, RECURSIVEMATCH, REMOTE + * + * @return array List of mailboxes or hash of options if $status_ops argument + * is non-empty. + */ + private function _listMailboxes($ref, $mailbox, $subscribed=false, + $status_opts=array(), $select_opts=array()) + { + if (!strlen($mailbox)) { + $mailbox = '*'; + } + + $args = array(); + + if (!empty($select_opts) && $this->getCapability('LIST-EXTENDED')) { + $select_opts = (array) $select_opts; + + $args[] = '(' . implode(' ', $select_opts) . ')'; + } + + $args[] = $this->escape($ref); + $args[] = $this->escape($mailbox); + + if (!empty($status_opts) && $this->getCapability('LIST-STATUS')) { + $status_opts = (array) $status_opts; + $lstatus = true; + + $args[] = 'RETURN (STATUS (' . implode(' ', $status_opts) . '))'; + } + + list($code, $response) = $this->execute($subscribed ? 'LSUB' : 'LIST', $args); + + if ($code == self::ERROR_OK) { + $folders = array(); + $last = 0; + $pos = 0; + $response .= "\r\n"; + + while ($pos = strpos($response, "\r\n", $pos+1)) { + // literal string, not real end-of-command-line + if ($response[$pos-1] == '}') { + continue; + } + + $line = substr($response, $last, $pos - $last); + $last = $pos + 2; + + if (!preg_match('/^\* (LIST|LSUB|STATUS) /i', $line, $m)) { + continue; + } + $cmd = strtoupper($m[1]); + $line = substr($line, strlen($m[0])); + + // * LIST (<options>) <delimiter> <mailbox> + if ($cmd == 'LIST' || $cmd == 'LSUB') { + list($opts, $delim, $mailbox) = $this->tokenizeResponse($line, 3); + + // Add to result array + if (!$lstatus) { + $folders[] = $mailbox; + } + else { + $folders[$mailbox] = array(); + } + + // store LSUB options only if not empty, this way + // we can detect a situation when LIST doesn't return specified folder + if (!empty($opts) || $cmd == 'LIST') { + // Add to options array + if (empty($this->data['LIST'][$mailbox])) + $this->data['LIST'][$mailbox] = $opts; + else if (!empty($opts)) + $this->data['LIST'][$mailbox] = array_unique(array_merge( + $this->data['LIST'][$mailbox], $opts)); + } + } + // * STATUS <mailbox> (<result>) + else if ($cmd == 'STATUS') { + list($mailbox, $status) = $this->tokenizeResponse($line, 2); + + for ($i=0, $len=count($status); $i<$len; $i += 2) { + list($name, $value) = $this->tokenizeResponse($status, 2); + $folders[$mailbox][$name] = $value; + } + } + } + + return $folders; + } + + return false; } /** @@ -1218,8 +1424,8 @@ // Invoke SEARCH as a fallback $index = $this->search($mailbox, 'ALL UNSEEN', false, array('COUNT')); - if (is_array($index)) { - return (int) $index['COUNT']; + if (!$index->is_error()) { + return $index->count(); } return false; @@ -1293,7 +1499,18 @@ return false; } - function sort($mailbox, $field, $add='', $is_uid=FALSE, $encoding = 'US-ASCII') + /** + * Executes SORT command + * + * @param string $mailbox Mailbox name + * @param string $field Field to sort by (ARRIVAL, CC, DATE, FROM, SIZE, SUBJECT, TO) + * @param string $add Searching criteria + * @param bool $return_uid Enables UID SORT usage + * @param string $encoding Character set + * + * @return rcube_result_index Response data + */ + function sort($mailbox, $field, $add='', $return_uid=false, $encoding = 'US-ASCII') { $field = strtoupper($field); if ($field == 'INTERNALDATE') { @@ -1304,33 +1521,159 @@ 'FROM' => 1, 'SIZE' => 1, 'SUBJECT' => 1, 'TO' => 1); if (!$fields[$field]) { - return false; + return new rcube_result_index($mailbox); } if (!$this->select($mailbox)) { - return false; + return new rcube_result_index($mailbox); + } + + // RFC 5957: SORT=DISPLAY + if (($field == 'FROM' || $field == 'TO') && $this->getCapability('SORT=DISPLAY')) { + $field = 'DISPLAY' . $field; } // message IDs if (!empty($add)) $add = $this->compressMessageSet($add); - list($code, $response) = $this->execute($is_uid ? 'UID SORT' : 'SORT', + list($code, $response) = $this->execute($return_uid ? 'UID SORT' : 'SORT', array("($field)", $encoding, 'ALL' . (!empty($add) ? ' '.$add : ''))); - if ($code == self::ERROR_OK) { - // remove prefix and unilateral untagged server responses - $response = substr($response, stripos($response, '* SORT') + 7); - if ($pos = strpos($response, '*')) { - $response = substr($response, 0, $pos); - } - return preg_split('/[\s\r\n]+/', $response, -1, PREG_SPLIT_NO_EMPTY); + if ($code != self::ERROR_OK) { + $response = null; } - return false; + return new rcube_result_index($mailbox, $response); } - function fetchHeaderIndex($mailbox, $message_set, $index_field='', $skip_deleted=true, $uidfetch=false) + /** + * Executes THREAD command + * + * @param string $mailbox Mailbox name + * @param string $algorithm Threading algorithm (ORDEREDSUBJECT, REFERENCES, REFS) + * @param string $criteria Searching criteria + * @param bool $return_uid Enables UIDs in result instead of sequence numbers + * @param string $encoding Character set + * + * @return rcube_result_thread Thread data + */ + function thread($mailbox, $algorithm='REFERENCES', $criteria='', $return_uid=false, $encoding='US-ASCII') + { + $old_sel = $this->selected; + + if (!$this->select($mailbox)) { + return new rcube_result_thread($mailbox); + } + + // return empty result when folder is empty and we're just after SELECT + if ($old_sel != $mailbox && !$this->data['EXISTS']) { + return new rcube_result_thread($mailbox); + } + + $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, $criteria)); + + if ($code != self::ERROR_OK) { + $response = null; + } + + return new rcube_result_thread($mailbox, $response); + } + + /** + * Executes SEARCH command + * + * @param string $mailbox Mailbox name + * @param string $criteria Searching criteria + * @param bool $return_uid Enable UID in result instead of sequence ID + * @param array $items Return items (MIN, MAX, COUNT, ALL) + * + * @return rcube_result_index Result data + */ + function search($mailbox, $criteria, $return_uid=false, $items=array()) + { + $old_sel = $this->selected; + + if (!$this->select($mailbox)) { + return new rcube_result_index($mailbox); + } + + // return empty result when folder is empty and we're just after SELECT + if ($old_sel != $mailbox && !$this->data['EXISTS']) { + return new rcube_result_index($mailbox, '* SEARCH'); + } + + // If ESEARCH is supported always use ALL + // but not when items are specified or using simple id2uid search + if (empty($items) && preg_match('/[^0-9]/', $criteria)) { + $items = array('ALL'); + } + + $esearch = empty($items) ? false : $this->getCapability('ESEARCH'); + $criteria = trim($criteria); + $params = ''; + + // RFC4731: ESEARCH + if (!empty($items) && $esearch) { + $params .= 'RETURN (' . implode(' ', $items) . ')'; + } + + if (!empty($criteria)) { + $modseq = stripos($criteria, 'MODSEQ') !== false; + $params .= ($params ? ' ' : '') . $criteria; + } + else { + $params .= 'ALL'; + } + + list($code, $response) = $this->execute($return_uid ? 'UID SEARCH' : 'SEARCH', + array($params)); + + if ($code != self::ERROR_OK) { + $response = null; + } + + return new rcube_result_index($mailbox, $response); + } + + /** + * Simulates SORT command by using FETCH and sorting. + * + * @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 $return_uid Enables returning UIDs instead of IDs + * + * @return rcube_result_index Response data + */ + function index($mailbox, $message_set, $index_field='', $skip_deleted=true, + $uidfetch=false, $return_uid=false) + { + $msg_index = $this->fetchHeaderIndex($mailbox, $message_set, + $index_field, $skip_deleted, $uidfetch, $return_uid); + + if (!empty($msg_index)) { + asort($msg_index); // ASC + $msg_index = array_keys($msg_index); + $msg_index = '* SEARCH ' . implode(' ', $msg_index); + } + else { + $msg_index = is_array($msg_index) ? '* SEARCH' : null; + } + + return new rcube_result_index($mailbox, $msg_index); + } + + function fetchHeaderIndex($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))) @@ -1370,25 +1713,32 @@ } // build FETCH command string - $key = $this->nextTag(); - $cmd = $uidfetch ? 'UID FETCH' : 'FETCH'; - $deleted = $skip_deleted ? ' FLAGS' : ''; + $key = $this->nextTag(); + $cmd = $uidfetch ? 'UID FETCH' : 'FETCH'; + $fields = array(); - if ($mode == 1 && $index_field == 'DATE') - $request = " $cmd $message_set (INTERNALDATE BODY.PEEK[HEADER.FIELDS (DATE)]$deleted)"; - else if ($mode == 1) - $request = " $cmd $message_set (BODY.PEEK[HEADER.FIELDS ($index_field)]$deleted)"; + if ($return_uid) + $fields[] = 'UID'; + if ($skip_deleted) + $fields[] = 'FLAGS'; + + if ($mode == 1) { + if ($index_field == 'DATE') + $fields[] = 'INTERNALDATE'; + $fields[] = "BODY.PEEK[HEADER.FIELDS ($index_field)]"; + } else if ($mode == 2) { if ($index_field == 'SIZE') - $request = " $cmd $message_set (RFC822.SIZE$deleted)"; - else - $request = " $cmd $message_set ($index_field$deleted)"; - } else if ($mode == 3) - $request = " $cmd $message_set (FLAGS)"; - else // 4 - $request = " $cmd $message_set (INTERNALDATE$deleted)"; + $fields[] = 'RFC822.SIZE'; + else if (!$return_uid || $index_field != 'UID') + $fields[] = $index_field; + } + else if ($mode == 3 && !$skip_deleted) + $fields[] = 'FLAGS'; + else if ($mode == 4) + $fields[] = 'INTERNALDATE'; - $request = $key . $request; + $request = "$key $cmd $message_set (" . implode(' ', $fields) . ")"; if (!$this->putLine($request)) { $this->setError(self::ERROR_COMMAND, "Unable to send command: $request"); @@ -1405,6 +1755,12 @@ $id = $m[1]; $flags = NULL; + if ($return_uid) { + if (preg_match('/UID ([0-9]+)/', $line, $matches)) + $id = (int) $matches[1]; + else + continue; + } if ($skip_deleted && preg_match('/FLAGS \(([^)]+)\)/', $line, $matches)) { $flags = explode(' ', strtoupper($matches[1])); if (in_array('\\DELETED', $flags)) { @@ -1457,72 +1813,6 @@ return $result; } - static function compressMessageSet($messages, $force=false) - { - // given a comma delimited list of independent mid's, - // compresses by grouping sequences together - - if (!is_array($messages)) { - // if less than 255 bytes long, let's not bother - if (!$force && strlen($messages)<255) { - return $messages; - } - - // see if it's already been compressed - if (strpos($messages, ':') !== false) { - return $messages; - } - - // separate, then sort - $messages = explode(',', $messages); - } - - sort($messages); - - $result = array(); - $start = $prev = $messages[0]; - - foreach ($messages as $id) { - $incr = $id - $prev; - if ($incr > 1) { // found a gap - if ($start == $prev) { - $result[] = $prev; // push single id - } else { - $result[] = $start . ':' . $prev; // push sequence as start_id:end_id - } - $start = $id; // start of new sequence - } - $prev = $id; - } - - // handle the last sequence/id - if ($start == $prev) { - $result[] = $prev; - } else { - $result[] = $start.':'.$prev; - } - - // return as comma separated string - return implode(',', $result); - } - - static function uncompressMessageSet($messages) - { - $result = array(); - $messages = explode(',', $messages); - - foreach ($messages as $part) { - $items = explode(':', $part); - $max = max($items[0], $items[1]); - - for ($x=$items[0]; $x<=$max; $x++) { - $result[] = $x; - } - } - - return $result; - } - /** * Returns message sequence identifier * @@ -1534,9 +1824,11 @@ function UID2ID($mailbox, $uid) { if ($uid > 0) { - $id_a = $this->search($mailbox, "UID $uid"); - if (is_array($id_a) && count($id_a) == 1) { - return (int) $id_a[0]; + $index = $this->search($mailbox, "UID $uid"); + + if ($index->count() == 1) { + $arr = $index->get(); + return (int) $arr[0]; } } return null; @@ -1560,21 +1852,135 @@ return null; } - list($code, $response) = $this->execute('FETCH', array($id, '(UID)')); + $index = $this->search($mailbox, $id, true); - if ($code == self::ERROR_OK && preg_match("/^\* $id FETCH \(UID (.*)\)/i", $response, $m)) { - return (int) $m[1]; + if ($index->count() == 1) { + $arr = $index->get(); + return (int) $arr[0]; } return null; } - function fetchUIDs($mailbox, $message_set=null) - { - if (empty($message_set)) - $message_set = '1:*'; + /** + * Sets flag of the message(s) + * + * @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) { + return $this->modFlag($mailbox, $messages, $flag, '+'); + } - return $this->fetchHeaderIndex($mailbox, $message_set, 'UID', false); + /** + * Unsets flag of the message(s) + * + * @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) { + 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 $mod Modifier [+|-]. Default: "+". + * + * @return bool True on success, False on failure + */ + private function modFlag($mailbox, $messages, $flag, $mod = '+') + { + if ($mod != '+' && $mod != '-') { + $mod = '+'; + } + + if (!$this->select($mailbox)) { + return false; + } + + if (!$this->data['READ-WRITE']) { + $this->setError(self::ERROR_READONLY, "Mailbox is read-only", 'STORE'); + return false; + } + + // Clear internal status cache + if ($flag == 'SEEN') { + unset($this->data['STATUS:'.$mailbox]['UNSEEN']); + } + + $flag = $this->flags[strtoupper($flag)]; + $result = $this->execute('UID STORE', array( + $this->compressMessageSet($messages), $mod . 'FLAGS.SILENT', "($flag)"), + self::COMMAND_NORESPONSE); + + 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 $to Destination mailbox name + * + * @return bool True on success, False on failure + */ + function copy($messages, $from, $to) + { + if (!$this->select($from)) { + return false; + } + + // Clear internal status cache + unset($this->data['STATUS:'.$to]); + + $result = $this->execute('UID COPY', array( + $this->compressMessageSet($messages), $this->escape($to)), + self::COMMAND_NORESPONSE); + + return ($result == self::ERROR_OK); + } + + /** + * Moves message(s) from one folder to another. + * Original message(s) will be marked as deleted. + * + * @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, $to) + { + if (!$this->select($from)) { + return false; + } + + if (!$this->data['READ-WRITE']) { + $this->setError(self::ERROR_READONLY, "Mailbox is read-only", 'STORE'); + return false; + } + + $r = $this->copy($messages, $from, $to); + + if ($r) { + // Clear internal status cache + unset($this->data['STATUS:'.$from]); + + return $this->flag($from, $messages, 'DELETED'); + } + return $r; } /** @@ -1587,7 +1993,7 @@ * @param string $mod_seq Modification sequence for CHANGEDSINCE (RFC4551) query * @param bool $vanished Enables VANISHED parameter (RFC5162) for CHANGEDSINCE query * - * @return array List of rcube_mail_header elements, False on error + * @return array List of rcube_message_header elements, False on error * @since 0.6 */ function fetch($mailbox, $message_set, $is_uid = false, $query_items = array(), @@ -1627,14 +2033,15 @@ if (preg_match('/^\* ([0-9]+) FETCH/', $line, $m)) { $id = intval($m[1]); - $result[$id] = new rcube_mail_header; + $result[$id] = new rcube_message_header; $result[$id]->id = $id; $result[$id]->subject = ''; $result[$id]->messageID = 'mid:' . $id; - $lines = array(); - $line = substr($line, strlen($m[0]) + 2); - $ln = 0; + $headers = null; + $lines = array(); + $line = substr($line, strlen($m[0]) + 2); + $ln = 0; // get complete entry while (preg_match('/\{([0-9]+)\}\r\n$/', $line, $m)) { @@ -1891,413 +2298,6 @@ return $result; } - - function modFlag($mailbox, $messages, $flag, $mod) - { - if ($mod != '+' && $mod != '-') { - $mod = '+'; - } - - if (!$this->select($mailbox)) { - return false; - } - - if (!$this->data['READ-WRITE']) { - $this->setError(self::ERROR_READONLY, "Mailbox is read-only", 'STORE'); - return false; - } - - // Clear internal status cache - if ($flag == 'SEEN') { - unset($this->data['STATUS:'.$mailbox]['UNSEEN']); - } - - $flag = $this->flags[strtoupper($flag)]; - $result = $this->execute('UID STORE', array( - $this->compressMessageSet($messages), $mod . 'FLAGS.SILENT', "($flag)"), - self::COMMAND_NORESPONSE); - - return ($result == self::ERROR_OK); - } - - function flag($mailbox, $messages, $flag) { - return $this->modFlag($mailbox, $messages, $flag, '+'); - } - - function unflag($mailbox, $messages, $flag) { - return $this->modFlag($mailbox, $messages, $flag, '-'); - } - - function delete($mailbox, $messages) { - return $this->modFlag($mailbox, $messages, 'DELETED', '+'); - } - - function copy($messages, $from, $to) - { - if (!$this->select($from)) { - return false; - } - - // Clear internal status cache - unset($this->data['STATUS:'.$to]); - - $result = $this->execute('UID COPY', array( - $this->compressMessageSet($messages), $this->escape($to)), - self::COMMAND_NORESPONSE); - - return ($result == self::ERROR_OK); - } - - function move($messages, $from, $to) - { - if (!$this->select($from)) { - return false; - } - - if (!$this->data['READ-WRITE']) { - $this->setError(self::ERROR_READONLY, "Mailbox is read-only", 'STORE'); - return false; - } - - $r = $this->copy($messages, $from, $to); - - if ($r) { - // Clear internal status cache - unset($this->data['STATUS:'.$from]); - - return $this->delete($from, $messages); - } - return $r; - } - - // Don't be tempted to change $str to pass by reference to speed this up - it will slow it down by about - // 7 times instead :-) See comments on http://uk2.php.net/references and this article: - // http://derickrethans.nl/files/phparch-php-variables-article.pdf - private function parseThread($str, $begin, $end, $root, $parent, $depth, &$depthmap, &$haschildren) - { - $node = array(); - if ($str[$begin] != '(') { - $stop = $begin + strspn($str, '1234567890', $begin, $end - $begin); - $msg = substr($str, $begin, $stop - $begin); - if ($msg == 0) - return $node; - if (is_null($root)) - $root = $msg; - $depthmap[$msg] = $depth; - $haschildren[$msg] = false; - if (!is_null($parent)) - $haschildren[$parent] = true; - if ($stop + 1 < $end) - $node[$msg] = $this->parseThread($str, $stop + 1, $end, $root, $msg, $depth + 1, $depthmap, $haschildren); - else - $node[$msg] = array(); - } else { - $off = $begin; - while ($off < $end) { - $start = $off; - $off++; - $n = 1; - while ($n > 0) { - $p = strpos($str, ')', $off); - if ($p === false) { - error_log("Mismatched brackets parsing IMAP THREAD response:"); - error_log(substr($str, ($begin < 10) ? 0 : ($begin - 10), $end - $begin + 20)); - error_log(str_repeat(' ', $off - (($begin < 10) ? 0 : ($begin - 10)))); - return $node; - } - $p1 = strpos($str, '(', $off); - if ($p1 !== false && $p1 < $p) { - $off = $p1 + 1; - $n++; - } else { - $off = $p + 1; - $n--; - } - } - $node += $this->parseThread($str, $start + 1, $off - 1, $root, $parent, $depth, $depthmap, $haschildren); - } - } - - return $node; - } - - function thread($mailbox, $algorithm='REFERENCES', $criteria='', $encoding='US-ASCII') - { - $old_sel = $this->selected; - - if (!$this->select($mailbox)) { - return false; - } - - // return empty result when folder is empty and we're just after SELECT - if ($old_sel != $mailbox && !$this->data['EXISTS']) { - return array(array(), array(), array()); - } - - $encoding = $encoding ? trim($encoding) : 'US-ASCII'; - $algorithm = $algorithm ? trim($algorithm) : 'REFERENCES'; - $criteria = $criteria ? 'ALL '.trim($criteria) : 'ALL'; - $data = ''; - - list($code, $response) = $this->execute('THREAD', array( - $algorithm, $encoding, $criteria)); - - if ($code == self::ERROR_OK) { - // remove prefix... - $response = substr($response, stripos($response, '* THREAD') + 9); - // ...unilateral untagged server responses - if ($pos = strpos($response, '*')) { - $response = substr($response, 0, $pos); - } - - $response = str_replace("\r\n", '', $response); - $depthmap = array(); - $haschildren = array(); - - $tree = $this->parseThread($response, 0, strlen($response), - null, null, 0, $depthmap, $haschildren); - - return array($tree, $depthmap, $haschildren); - } - - return false; - } - - /** - * Executes SEARCH command - * - * @param string $mailbox Mailbox name - * @param string $criteria Searching criteria - * @param bool $return_uid Enable UID in result instead of sequence ID - * @param array $items Return items (MIN, MAX, COUNT, ALL) - * - * @return array Message identifiers or item-value hash - */ - function search($mailbox, $criteria, $return_uid=false, $items=array()) - { - $old_sel = $this->selected; - - if (!$this->select($mailbox)) { - return false; - } - - // return empty result when folder is empty and we're just after SELECT - if ($old_sel != $mailbox && !$this->data['EXISTS']) { - if (!empty($items)) - return array_combine($items, array_fill(0, count($items), 0)); - else - return array(); - } - - $esearch = empty($items) ? false : $this->getCapability('ESEARCH'); - $criteria = trim($criteria); - $params = ''; - - // RFC4731: ESEARCH - if (!empty($items) && $esearch) { - $params .= 'RETURN (' . implode(' ', $items) . ')'; - } - if (!empty($criteria)) { - $modseq = stripos($criteria, 'MODSEQ') !== false; - $params .= ($params ? ' ' : '') . $criteria; - } - else { - $params .= 'ALL'; - } - - list($code, $response) = $this->execute($return_uid ? 'UID SEARCH' : 'SEARCH', - array($params)); - - if ($code == self::ERROR_OK) { - // remove prefix... - $response = substr($response, stripos($response, - $esearch ? '* ESEARCH' : '* SEARCH') + ($esearch ? 10 : 9)); - // ...and unilateral untagged server responses - if ($pos = strpos($response, '*')) { - $response = rtrim(substr($response, 0, $pos)); - } - - // remove MODSEQ response - if ($modseq) { - if (preg_match('/\(MODSEQ ([0-9]+)\)$/', $response, $m)) { - $response = substr($response, 0, -strlen($m[0])); - } - } - - if ($esearch) { - // Skip prefix: ... (TAG "A285") UID ... - $this->tokenizeResponse($response, $return_uid ? 2 : 1); - - $result = array(); - for ($i=0; $i<count($items); $i++) { - // If the SEARCH returns no matches, the server MUST NOT - // include the item result option in the ESEARCH response - if ($ret = $this->tokenizeResponse($response, 2)) { - list ($name, $value) = $ret; - $result[$name] = $value; - } - } - - return $result; - } - else { - $response = preg_split('/[\s\r\n]+/', $response, -1, PREG_SPLIT_NO_EMPTY); - - if (!empty($items)) { - $result = array(); - if (in_array('COUNT', $items)) { - $result['COUNT'] = count($response); - } - if (in_array('MIN', $items)) { - $result['MIN'] = !empty($response) ? min($response) : 0; - } - if (in_array('MAX', $items)) { - $result['MAX'] = !empty($response) ? max($response) : 0; - } - if (in_array('ALL', $items)) { - $result['ALL'] = $this->compressMessageSet($response, true); - } - - return $result; - } - else { - return $response; - } - } - } - - return false; - } - - /** - * Returns list of mailboxes - * - * @param string $ref Reference name - * @param string $mailbox Mailbox name - * @param array $status_opts (see self::_listMailboxes) - * @param array $select_opts (see self::_listMailboxes) - * - * @return array List of mailboxes or hash of options if $status_opts argument - * is non-empty. - */ - function listMailboxes($ref, $mailbox, $status_opts=array(), $select_opts=array()) - { - return $this->_listMailboxes($ref, $mailbox, false, $status_opts, $select_opts); - } - - /** - * Returns list of subscribed mailboxes - * - * @param string $ref Reference name - * @param string $mailbox Mailbox name - * @param array $status_opts (see self::_listMailboxes) - * - * @return array List of mailboxes or hash of options if $status_opts argument - * is non-empty. - */ - function listSubscribed($ref, $mailbox, $status_opts=array()) - { - return $this->_listMailboxes($ref, $mailbox, true, $status_opts, NULL); - } - - /** - * IMAP LIST/LSUB command - * - * @param string $ref Reference name - * @param string $mailbox Mailbox name - * @param bool $subscribed Enables returning subscribed mailboxes only - * @param array $status_opts List of STATUS options (RFC5819: LIST-STATUS) - * Possible: MESSAGES, RECENT, UIDNEXT, UIDVALIDITY, UNSEEN - * @param array $select_opts List of selection options (RFC5258: LIST-EXTENDED) - * Possible: SUBSCRIBED, RECURSIVEMATCH, REMOTE - * - * @return array List of mailboxes or hash of options if $status_ops argument - * is non-empty. - */ - private function _listMailboxes($ref, $mailbox, $subscribed=false, - $status_opts=array(), $select_opts=array()) - { - if (!strlen($mailbox)) { - $mailbox = '*'; - } - - $args = array(); - - if (!empty($select_opts) && $this->getCapability('LIST-EXTENDED')) { - $select_opts = (array) $select_opts; - - $args[] = '(' . implode(' ', $select_opts) . ')'; - } - - $args[] = $this->escape($ref); - $args[] = $this->escape($mailbox); - - if (!empty($status_opts) && $this->getCapability('LIST-STATUS')) { - $status_opts = (array) $status_opts; - $lstatus = true; - - $args[] = 'RETURN (STATUS (' . implode(' ', $status_opts) . '))'; - } - - list($code, $response) = $this->execute($subscribed ? 'LSUB' : 'LIST', $args); - - if ($code == self::ERROR_OK) { - $folders = array(); - $last = 0; - $pos = 0; - $response .= "\r\n"; - - while ($pos = strpos($response, "\r\n", $pos+1)) { - // literal string, not real end-of-command-line - if ($response[$pos-1] == '}') { - continue; - } - - $line = substr($response, $last, $pos - $last); - $last = $pos + 2; - - if (!preg_match('/^\* (LIST|LSUB|STATUS) /i', $line, $m)) { - continue; - } - $cmd = strtoupper($m[1]); - $line = substr($line, strlen($m[0])); - - // * LIST (<options>) <delimiter> <mailbox> - if ($cmd == 'LIST' || $cmd == 'LSUB') { - list($opts, $delim, $mailbox) = $this->tokenizeResponse($line, 3); - - // Add to result array - if (!$lstatus) { - $folders[] = $mailbox; - } - else { - $folders[$mailbox] = array(); - } - - // Add to options array - if (empty($this->data['LIST'][$mailbox])) - $this->data['LIST'][$mailbox] = $opts; - else if (!empty($opts)) - $this->data['LIST'][$mailbox] = array_unique(array_merge( - $this->data['LIST'][$mailbox], $opts)); - } - // * STATUS <mailbox> (<result>) - else if ($cmd == 'STATUS') { - list($mailbox, $status) = $this->tokenizeResponse($line, 2); - - for ($i=0, $len=count($status); $i<$len; $i += 2) { - list($name, $value) = $this->tokenizeResponse($status, 2); - $folders[$mailbox][$name] = $value; - } - } - } - - return $folders; - } - - return false; - } - function fetchMIMEHeaders($mailbox, $uid, $parts, $mime=true) { if (!$this->select($mailbox)) { @@ -2506,22 +2506,6 @@ return false; } - function createFolder($mailbox) - { - $result = $this->execute('CREATE', array($this->escape($mailbox)), - self::COMMAND_NORESPONSE); - - return ($result == self::ERROR_OK); - } - - function renameFolder($from, $to) - { - $result = $this->execute('RENAME', array($this->escape($from), $this->escape($to)), - self::COMMAND_NORESPONSE); - - return ($result == self::ERROR_OK); - } - /** * Handler for IMAP APPEND command * @@ -2679,6 +2663,11 @@ return false; } + /** + * Returns QUOTA information + * + * @return array Quota information + */ function getQuota() { /* @@ -3232,28 +3221,30 @@ if (!is_array($a)) { return false; } + + if (empty($part)) { + return $a; + } + + $ctype = is_string($a[0]) && is_string($a[1]) ? $a[0] . '/' . $a[1] : ''; + + if (strcasecmp($ctype, 'message/rfc822') == 0) { + $a = $a[8]; + } + if (strpos($part, '.') > 0) { - $original_part = $part; - $pos = strpos($part, '.'); - $rest = substr($original_part, $pos+1); - $part = substr($original_part, 0, $pos); - if ((strcasecmp($a[0], 'message') == 0) && (strcasecmp($a[1], 'rfc822') == 0)) { - $a = $a[8]; - } + $orig_part = $part; + $pos = strpos($part, '.'); + $rest = substr($orig_part, $pos+1); + $part = substr($orig_part, 0, $pos); + return self::getStructurePartArray($a[$part-1], $rest); } - else if ($part>0) { - if (!is_array($a[0]) && (strcasecmp($a[0], 'message') == 0) - && (strcasecmp($a[1], 'rfc822') == 0)) { - $a = $a[8]; - } + else if ($part > 0) { if (is_array($a[$part-1])) return $a[$part-1]; else return $a; - } - else if (($part == 0) || (empty($part))) { - return $a; } } @@ -3433,6 +3424,88 @@ return '(' . trim($string) . ')'; } + /** + * Converts message identifiers array into sequence-set syntax + * + * @param array $messages Message identifiers + * @param bool $force Forces compression of any size + * + * @return string Compressed sequence-set + */ + static function compressMessageSet($messages, $force=false) + { + // given a comma delimited list of independent mid's, + // compresses by grouping sequences together + + if (!is_array($messages)) { + // if less than 255 bytes long, let's not bother + if (!$force && strlen($messages)<255) { + return $messages; + } + + // see if it's already been compressed + if (strpos($messages, ':') !== false) { + return $messages; + } + + // separate, then sort + $messages = explode(',', $messages); + } + + sort($messages); + + $result = array(); + $start = $prev = $messages[0]; + + foreach ($messages as $id) { + $incr = $id - $prev; + if ($incr > 1) { // found a gap + if ($start == $prev) { + $result[] = $prev; // push single id + } else { + $result[] = $start . ':' . $prev; // push sequence as start_id:end_id + } + $start = $id; // start of new sequence + } + $prev = $id; + } + + // handle the last sequence/id + if ($start == $prev) { + $result[] = $prev; + } else { + $result[] = $start.':'.$prev; + } + + // return as comma separated string + return implode(',', $result); + } + + /** + * Converts message sequence-set into array + * + * @param string $messages Message identifiers + * + * @return array List of message identifiers + */ + static function uncompressMessageSet($messages) + { + $result = array(); + $messages = explode(',', $messages); + + foreach ($messages as $idx => $part) { + $items = explode(':', $part); + $max = max($items[0], $items[1]); + + for ($x=$items[0]; $x<=$max; $x++) { + $result[] = $x; + } + unset($messages[$idx]); + } + + return $result; + } + private function _xor($string, $string2) { $result = ''; @@ -3471,6 +3544,9 @@ return $ts < 0 ? 0 : $ts; } + /** + * CAPABILITY response parser + */ private function parseCapability($str, $trusted=false) { $str = preg_replace('/^\* CAPABILITY /i', '', $str); @@ -3500,13 +3576,16 @@ if ($string === null) { return 'NIL'; } + if ($string === '') { return '""'; } + // atom-string (only safe characters) - if (!$force_quotes && !preg_match('/[\x00-\x20\x22\x28-\x2A\x5B-\x5D\x7B\x7D\x80-\xFF]/', $string)) { + if (!$force_quotes && !preg_match('/[\x00-\x20\x22\x25\x28-\x2A\x5B-\x5D\x7B\x7D\x80-\xFF]/', $string)) { return $string; } + // quoted-string if (!preg_match('/[\r\n\x00\x80-\xFF]/', $string)) { return '"' . addcslashes($string, '\\"') . '"'; @@ -3516,6 +3595,13 @@ return sprintf("{%d}\r\n%s", strlen($string), $string); } + /** + * Unescapes quoted-string + * + * @param string $string IMAP string + * + * @return string String + */ static function unEscape($string) { return stripslashes($string); -- Gitblit v1.9.1