From f9a967763e2a4cc595b44f40ac1ca666b2a02af6 Mon Sep 17 00:00:00 2001 From: thomascube <thomas@roundcube.net> Date: Sat, 11 Feb 2012 06:28:58 -0500 Subject: [PATCH] User configurable setting how to display contact names in list --- program/include/rcube_imap_generic.php | 2633 +++++++++++++++++++++++++++++++++-------------------------- 1 files changed, 1,470 insertions(+), 1,163 deletions(-) diff --git a/program/include/rcube_imap_generic.php b/program/include/rcube_imap_generic.php index 85fb379..2d636f0 100644 --- a/program/include/rcube_imap_generic.php +++ b/program/include/rcube_imap_generic.php @@ -6,7 +6,11 @@ | | | This file is part of the Roundcube Webmail client | | Copyright (C) 2005-2010, The Roundcube Dev Team | - | Licensed under the GNU GPL | + | Copyright (C) 2011, 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 | @@ -24,7 +28,6 @@ $Id$ */ - /** * Struct representing an e-mail message header @@ -48,23 +51,14 @@ public $encoding; public $charset; public $ctype; - public $flags; public $timestamp; - public $body_structure; + public $bodystructure; public $internaldate; public $references; public $priority; public $mdn_to; - public $mdn_sent = false; - public $seen = false; - public $deleted = false; - public $answered = false; - public $forwarded = false; - public $flagged = false; - public $has_children = false; - public $depth = 0; - public $unread_children = 0; public $others = array(); + public $flags = array(); } // For backward compatibility with cached messages (#1486602) @@ -84,6 +78,7 @@ public $errornum; public $result; public $resultcode; + public $selected; public $data = array(); public $flags = array( 'SEEN' => '\\Seen', @@ -96,7 +91,6 @@ '*' => '\\*', ); - private $selected; private $fp; private $host; private $logged = false; @@ -105,6 +99,7 @@ private $prefs; private $cmd_tag; private $cmd_num = 0; + private $resourceid; private $_debug = false; private $_debug_handler = false; @@ -161,16 +156,17 @@ * @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)) { @@ -206,6 +202,13 @@ return $res; } + /** + * Reads line from the connection stream + * + * @param int $size Buffer size + * + * @return string Line of text response + */ function readLine($size=1024) { $line = ''; @@ -234,14 +237,23 @@ return $line; } - function multLine($line, $escape=false) + /** + * 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); - if (preg_match('/\{[0-9]+\}$/', $line)) { - $out = ''; + if (preg_match('/\{([0-9]+)\}$/', $line, $m)) { + $out = ''; + $str = substr($line, 0, -strlen($m[0])); + $bytes = $m[1]; - preg_match_all('/(.*)\{([0-9]+)\}$/', $line, $a); - $bytes = $a[2][0]; while (strlen($out) < $bytes) { $line = $this->readBytes($bytes); if ($line === NULL) @@ -249,12 +261,19 @@ $out .= $line; } - $line = $a[1][0] . ($escape ? $this->escape($out) : $out); + $line = $str . ($escape ? $this->escape($out) : $out); } 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 = ''; @@ -276,6 +295,13 @@ 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 { @@ -291,6 +317,14 @@ 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)) { @@ -317,6 +351,10 @@ } else { $this->resultcode = null; + // parse response for [APPENDUID 1204196876 3456] + if (preg_match("/^\[APPENDUID [0-9]+ ([0-9,:*]+)\]/i", $str, $m)) { + $this->data['APPENDUID'] = $m[1]; + } } $this->result = $str; @@ -330,6 +368,11 @@ return self::ERROR_UNKNOWN; } + /** + * Checks connection stream state. + * + * @return bool True if connection is closed + */ private function eof() { if (!is_resource($this->fp)) { @@ -340,7 +383,7 @@ // 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'])) ) { $this->closeSocket(); @@ -350,29 +393,41 @@ return false; } + /** + * Closes connection stream. + */ private function closeSocket() { @fclose($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)) { @@ -612,7 +667,7 @@ } /** - * Gets the delimiter + * Detects hierarchy delimiter * * @return string The delimiter */ @@ -672,6 +727,16 @@ 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 @@ -679,8 +744,8 @@ $this->prefs = $options; } // set auth method - if (!empty($this->prefs['auth_method'])) { - $auth_method = strtoupper($this->prefs['auth_method']); + if (!empty($this->prefs['auth_type'])) { + $auth_method = strtoupper($this->prefs['auth_type']); } else { $auth_method = 'CHECK'; } @@ -690,7 +755,7 @@ // initialize connection $this->error = ''; $this->errornum = self::ERROR_OK; - $this->selected = ''; + $this->selected = null; $this->user = $user; $this->host = $host; $this->logged = false; @@ -734,8 +799,13 @@ $line = trim(fgets($this->fp, 8192)); - if ($this->_debug && $line) { - $this->debug('S: '. $line); + if ($this->_debug) { + // set connection identifier for debug output + preg_match('/#([0-9]+)/', (string)$this->fp, $m); + $this->resourceid = strtoupper(substr(md5($m[1].$this->user.microtime()), 0, 4)); + + if ($line) + $this->debug('S: '. $line); } // Connected to wrong port or connection error? @@ -854,11 +924,19 @@ return false; } + /** + * Checks connection status + * + * @return bool True if connection is active and user is logged in, False otherwise. + */ function connected() { return ($this->fp && $this->logged) ? true : false; } + /** + * Closes connection with logout. + */ function closeConnection() { if ($this->putLine($this->nextTag() . ' LOGOUT')) { @@ -871,17 +949,18 @@ /** * Executes SELECT command (if mailbox is already not in selected state) * - * @param string $mailbox Mailbox name + * @param string $mailbox Mailbox name + * @param array $qresync_data QRESYNC data (RFC5162) * * @return boolean True on success, false on error */ - function select($mailbox) + function select($mailbox, $qresync_data = null) { if (!strlen($mailbox)) { return false; } - if ($this->selected == $mailbox) { + if ($this->selected === $mailbox) { return true; } /* @@ -894,7 +973,21 @@ } } */ - list($code, $response) = $this->execute('SELECT', array($this->escape($mailbox))); + $params = array($this->escape($mailbox)); + + // QRESYNC data items + // 0. the last known UIDVALIDITY, + // 1. the last known modification sequence, + // 2. the optional set of known UIDs, and + // 3. an optional parenthesized list of known sequence ranges and their + // corresponding UIDs. + if (!empty($qresync_data)) { + 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) { $response = explode("\r\n", $response); @@ -902,11 +995,39 @@ if (preg_match('/^\* ([0-9]+) (EXISTS|RECENT)$/i', $line, $m)) { $this->data[strtoupper($m[2])] = (int) $m[1]; } - else if (preg_match('/^\* OK \[(UIDNEXT|UIDVALIDITY|UNSEEN) ([0-9]+)\]/i', $line, $match)) { - $this->data[strtoupper($match[1])] = (int) $match[2]; + else if (preg_match('/^\* OK \[/i', $line, $match)) { + $line = substr($line, 6); + if (preg_match('/^(UIDNEXT|UIDVALIDITY|UNSEEN) ([0-9]+)/i', $line, $match)) { + $this->data[strtoupper($match[1])] = (int) $match[2]; + } + else if (preg_match('/^(HIGHESTMODSEQ) ([0-9]+)/i', $line, $match)) { + $this->data[strtoupper($match[1])] = (string) $match[2]; + } + else if (preg_match('/^(NOMODSEQ)/i', $line, $match)) { + $this->data[strtoupper($match[1])] = true; + } + else if (preg_match('/^PERMANENTFLAGS \(([^\)]+)\)/iU', $line, $match)) { + $this->data['PERMANENTFLAGS'] = explode(' ', $match[1]); + } } - else if (preg_match('/^\* OK \[PERMANENTFLAGS \(([^\)]+)\)\]/iU', $line, $match)) { - $this->data['PERMANENTFLAGS'] = explode(' ', $match[1]); + // QRESYNC FETCH response (RFC5162) + else if (preg_match('/^\* ([0-9+]) FETCH/i', $line, $match)) { + $line = substr($line, strlen($match[0])); + $fetch_data = $this->tokenizeResponse($line, 1); + $data = array('id' => $match[1]); + + for ($i=0, $size=count($fetch_data); $i<$size; $i+=2) { + $data[strtolower($fetch_data[$i])] = $fetch_data[$i+1]; + } + + $this->data['QRESYNC'][$data['uid']] = $data; + } + // QRESYNC VANISHED response (RFC5162) + else if (preg_match('/^\* VANISHED [()EARLIER]*/i', $line, $match)) { + $line = substr($line, strlen($match[0])); + $v_data = $this->tokenizeResponse($line, 1); + + $this->data['VANISHED'] = $v_data; } } @@ -963,7 +1084,7 @@ } for ($i=0, $len=count($items); $i<$len; $i += 2) { - $result[$items[$i]] = (int) $items[$i+1]; + $result[$items[$i]] = $items[$i+1]; } $this->data['STATUS:'.$mailbox] = $result; @@ -1002,7 +1123,7 @@ $result = $this->execute('EXPUNGE', null, self::COMMAND_NORESPONSE); if ($result == self::ERROR_OK) { - $this->selected = ''; // state has changed, need to reselect + $this->selected = null; // state has changed, need to reselect return true; } @@ -1020,7 +1141,7 @@ $result = $this->execute('CLOSE', NULL, self::COMMAND_NORESPONSE); if ($result == self::ERROR_OK) { - $this->selected = ''; + $this->selected = null; return true; } @@ -1028,7 +1149,7 @@ } /** - * Executes SUBSCRIBE command + * Folder subscription (SUBSCRIBE) * * @param string $mailbox Mailbox name * @@ -1043,7 +1164,7 @@ } /** - * Executes UNSUBSCRIBE command + * Folder unsubscription (UNSUBSCRIBE) * * @param string $mailbox Mailbox name * @@ -1052,6 +1173,36 @@ function unsubscribe($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); @@ -1083,1038 +1234,17 @@ { $num_in_trash = $this->countMessages($mailbox); if ($num_in_trash > 0) { - $res = $this->delete($mailbox, '1:*'); + $res = $this->flag($mailbox, '1:*', 'DELETED'); } if ($res) { - if ($this->selected == $mailbox) + if ($this->selected === $mailbox) $res = $this->close(); else $res = $this->expunge($mailbox); } return $res; - } - - /** - * Returns count of all messages in a folder - * - * @param string $mailbox Mailbox name - * - * @return int Number of messages, False on error - */ - function countMessages($mailbox, $refresh = false) - { - if ($refresh) { - $this->selected = ''; - } - - if ($this->selected == $mailbox) { - return $this->data['EXISTS']; - } - - // Check internal cache - $cache = $this->data['STATUS:'.$mailbox]; - if (!empty($cache) && isset($cache['MESSAGES'])) { - return (int) $cache['MESSAGES']; - } - - // Try STATUS (should be faster than SELECT) - $counts = $this->status($mailbox); - if (is_array($counts)) { - return (int) $counts['MESSAGES']; - } - - return false; - } - - /** - * Returns count of messages with \Recent flag in a folder - * - * @param string $mailbox Mailbox name - * - * @return int Number of messages, False on error - */ - function countRecent($mailbox) - { - if (!strlen($mailbox)) { - $mailbox = 'INBOX'; - } - - $this->select($mailbox); - - if ($this->selected == $mailbox) { - return $this->data['RECENT']; - } - - return false; - } - - /** - * Returns count of messages without \Seen flag in a specified folder - * - * @param string $mailbox Mailbox name - * - * @return int Number of messages, False on error - */ - function countUnseen($mailbox) - { - // Check internal cache - $cache = $this->data['STATUS:'.$mailbox]; - if (!empty($cache) && isset($cache['UNSEEN'])) { - return (int) $cache['UNSEEN']; - } - - // Try STATUS (should be faster than SELECT+SEARCH) - $counts = $this->status($mailbox); - if (is_array($counts)) { - return (int) $counts['UNSEEN']; - } - - // Invoke SEARCH as a fallback - $index = $this->search($mailbox, 'ALL UNSEEN', false, array('COUNT')); - if (is_array($index)) { - return (int) $index['COUNT']; - } - - return false; - } - - /** - * Executes ID command (RFC2971) - * - * @param array $items Client identification information key/value hash - * - * @return array Server identification information key/value hash - * @since 0.6 - */ - function id($items=array()) - { - if (is_array($items) && !empty($items)) { - foreach ($items as $key => $value) { - $args[] = $this->escape($key, true); - $args[] = $this->escape($value, true); - } - } - - list($code, $response) = $this->execute('ID', array( - !empty($args) ? '(' . implode(' ', (array) $args) . ')' : $this->escape(null) - )); - - - if ($code == self::ERROR_OK && preg_match('/\* ID /i', $response)) { - $response = substr($response, 5); // remove prefix "* ID " - $items = $this->tokenizeResponse($response, 1); - $result = null; - - for ($i=0, $len=count($items); $i<$len; $i += 2) { - $result[$items[$i]] = $items[$i+1]; - } - - return $result; - } - - return false; - } - - /** - * Executes ENABLE command (RFC5161) - * - * @param mixed $extension Extension name to enable (or array of names) - * - * @return array|bool List of enabled extensions, False on error - * @since 0.6 - */ - function enable($extension) - { - if (empty($extension)) - return false; - - if (!$this->hasCapability('ENABLE')) - return false; - - if (!is_array($extension)) - $extension = array($extension); - - list($code, $response) = $this->execute('ENABLE', $extension); - - if ($code == self::ERROR_OK && preg_match('/\* ENABLED /i', $response)) { - $response = substr($response, 10); // remove prefix "* ENABLED " - $result = (array) $this->tokenizeResponse($response); - - return $result; - } - - return false; - } - - function sort($mailbox, $field, $add='', $is_uid=FALSE, $encoding = 'US-ASCII') - { - $field = strtoupper($field); - if ($field == 'INTERNALDATE') { - $field = 'ARRIVAL'; - } - - $fields = array('ARRIVAL' => 1,'CC' => 1,'DATE' => 1, - 'FROM' => 1, 'SIZE' => 1, 'SUBJECT' => 1, 'TO' => 1); - - if (!$fields[$field]) { - return false; - } - - if (!$this->select($mailbox)) { - return false; - } - - // message IDs - if (!empty($add)) - $add = $this->compressMessageSet($add); - - list($code, $response) = $this->execute($is_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]+/', $response, -1, PREG_SPLIT_NO_EMPTY); - } - - return false; - } - - function fetchHeaderIndex($mailbox, $message_set, $index_field='', $skip_deleted=true, $uidfetch=false) - { - if (is_array($message_set)) { - if (!($message_set = $this->compressMessageSet($message_set))) - return false; - } else { - list($from_idx, $to_idx) = explode(':', $message_set); - if (empty($message_set) || - (isset($to_idx) && $to_idx != '*' && (int)$from_idx > (int)$to_idx)) { - return false; - } - } - - $index_field = empty($index_field) ? 'DATE' : strtoupper($index_field); - - $fields_a['DATE'] = 1; - $fields_a['INTERNALDATE'] = 4; - $fields_a['ARRIVAL'] = 4; - $fields_a['FROM'] = 1; - $fields_a['REPLY-TO'] = 1; - $fields_a['SENDER'] = 1; - $fields_a['TO'] = 1; - $fields_a['CC'] = 1; - $fields_a['SUBJECT'] = 1; - $fields_a['UID'] = 2; - $fields_a['SIZE'] = 2; - $fields_a['SEEN'] = 3; - $fields_a['RECENT'] = 3; - $fields_a['DELETED'] = 3; - - if (!($mode = $fields_a[$index_field])) { - return false; - } - - /* Do "SELECT" command */ - if (!$this->select($mailbox)) { - return false; - } - - // build FETCH command string - $key = $this->nextTag(); - $cmd = $uidfetch ? 'UID FETCH' : 'FETCH'; - $deleted = $skip_deleted ? ' FLAGS' : ''; - - if ($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)]$deleted)"; - else if ($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)"; - - $request = $key . $request; - - if (!$this->putLine($request)) { - $this->setError(self::ERROR_COMMAND, "Unable to send command: $request"); - return false; - } - - $result = array(); - - do { - $line = rtrim($this->readLine(200)); - $line = $this->multLine($line); - - if (preg_match('/^\* ([0-9]+) FETCH/', $line, $m)) { - $id = $m[1]; - $flags = NULL; - - if ($skip_deleted && preg_match('/FLAGS \(([^)]+)\)/', $line, $matches)) { - $flags = explode(' ', strtoupper($matches[1])); - if (in_array('\\DELETED', $flags)) { - $deleted[$id] = $id; - continue; - } - } - - if ($mode == 1 && $index_field == 'DATE') { - if (preg_match('/BODY\[HEADER\.FIELDS \("*DATE"*\)\] (.*)/', $line, $matches)) { - $value = preg_replace(array('/^"*[a-z]+:/i'), '', $matches[1]); - $value = trim($value); - $result[$id] = $this->strToTime($value); - } - // non-existent/empty Date: header, use INTERNALDATE - if (empty($result[$id])) { - if (preg_match('/INTERNALDATE "([^"]+)"/', $line, $matches)) - $result[$id] = $this->strToTime($matches[1]); - else - $result[$id] = 0; - } - } 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 { - $result[$id] = ''; - } - } else if ($mode == 2) { - if (preg_match('/(UID|RFC822\.SIZE) ([0-9]+)/', $line, $matches)) { - $result[$id] = trim($matches[2]); - } else { - $result[$id] = 0; - } - } 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) { - if (preg_match('/INTERNALDATE "([^"]+)"/', $line, $matches)) { - $result[$id] = $this->strToTime($matches[1]); - } else { - $result[$id] = 0; - } - } - } - } while (!$this->startsWith($line, $key, true, true)); - - 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 - * - * @param string $mailbox Mailbox name - * @param int $uid Message unique identifier (UID) - * - * @return int Message sequence identifier - */ - function UID2ID($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]; - } - } - return null; - } - - /** - * Returns message unique identifier (UID) - * - * @param string $mailbox Mailbox name - * @param int $uid Message sequence identifier - * - * @return int Message unique identifier - */ - function ID2UID($mailbox, $id) - { - if (empty($id) || $id < 0) { - return null; - } - - if (!$this->select($mailbox)) { - return null; - } - - list($code, $response) = $this->execute('FETCH', array($id, '(UID)')); - - if ($code == self::ERROR_OK && preg_match("/^\* $id FETCH \(UID (.*)\)/i", $response, $m)) { - return (int) $m[1]; - } - - return null; - } - - function fetchUIDs($mailbox, $message_set=null) - { - if (is_array($message_set)) - $message_set = join(',', $message_set); - else if (empty($message_set)) - $message_set = '1:*'; - - return $this->fetchHeaderIndex($mailbox, $message_set, 'UID', false); - } - - function fetchHeaders($mailbox, $message_set, $uidfetch=false, $bodystr=false, $add='') - { - $result = array(); - - if (!$this->select($mailbox)) { - return false; - } - - $message_set = $this->compressMessageSet($message_set); - - if ($add) - $add = ' '.trim($add); - - /* FETCH uid, size, flags and headers */ - $key = $this->nextTag(); - $request = $key . ($uidfetch ? ' UID' : '') . " FETCH $message_set "; - $request .= "(UID RFC822.SIZE FLAGS INTERNALDATE "; - if ($bodystr) - $request .= "BODYSTRUCTURE "; - $request .= "BODY.PEEK[HEADER.FIELDS (DATE FROM TO SUBJECT CONTENT-TYPE "; - $request .= "CC REPLY-TO LIST-POST DISPOSITION-NOTIFICATION-TO".$add.")])"; - - if (!$this->putLine($request)) { - $this->setError(self::ERROR_COMMAND, "Unable to send command: $request"); - return false; - } - do { - $line = $this->readLine(4096); - $line = $this->multLine($line); - - if (!$line) - break; - - if (preg_match('/^\* ([0-9]+) FETCH/', $line, $m)) { - $id = intval($m[1]); - - $result[$id] = new rcube_mail_header; - $result[$id]->id = $id; - $result[$id]->subject = ''; - $result[$id]->messageID = 'mid:' . $id; - - $lines = array(); - $ln = 0; - - // Sample reply line: - // * 321 FETCH (UID 2417 RFC822.SIZE 2730 FLAGS (\Seen) - // INTERNALDATE "16-Nov-2008 21:08:46 +0100" BODYSTRUCTURE (...) - // BODY[HEADER.FIELDS ... - - if (preg_match('/^\* [0-9]+ FETCH \((.*) BODY/sU', $line, $matches)) { - $str = $matches[1]; - - while (list($name, $value) = $this->tokenizeResponse($str, 2)) { - if ($name == 'UID') { - $result[$id]->uid = intval($value); - } - else if ($name == 'RFC822.SIZE') { - $result[$id]->size = intval($value); - } - else if ($name == 'INTERNALDATE') { - $result[$id]->internaldate = $value; - $result[$id]->date = $value; - $result[$id]->timestamp = $this->StrToTime($value); - } - else if ($name == 'FLAGS') { - $flags_a = $value; - } - } - - // BODYSTRUCTURE - if ($bodystr) { - while (!preg_match('/ BODYSTRUCTURE (.*) BODY\[HEADER.FIELDS/sU', $line, $m)) { - $line2 = $this->readLine(1024); - $line .= $this->multLine($line2, true); - } - $result[$id]->body_structure = $m[1]; - } - - // the rest of the result - if (preg_match('/ BODY\[HEADER.FIELDS \(.*?\)\]\s*(.*)$/s', $line, $m)) { - $reslines = explode("\n", trim($m[1], '"')); - // re-parse (see below) - foreach ($reslines as $resln) { - if (ord($resln[0])<=32) { - $lines[$ln] .= (empty($lines[$ln])?'':"\n").trim($resln); - } else { - $lines[++$ln] = trim($resln); - } - } - } - } - - // Start parsing headers. The problem is, some header "lines" take up multiple lines. - // So, we'll read ahead, and if the one we're reading now is a valid header, we'll - // process the previous line. Otherwise, we'll keep adding the strings until we come - // to the next valid header line. - - do { - $line = rtrim($this->readLine(300), "\r\n"); - - // The preg_match below works around communigate imap, which outputs " UID <number>)". - // Without this, the while statement continues on and gets the "FH0 OK completed" message. - // If this loop gets the ending message, then the outer loop does not receive it from radline on line 1249. - // This in causes the if statement on line 1278 to never be true, which causes the headers to end up missing - // If the if statement was changed to pick up the fh0 from this loop, then it causes the outer loop to spin - // An alternative might be: - // if (!preg_match("/:/",$line) && preg_match("/\)$/",$line)) break; - // however, unsure how well this would work with all imap clients. - if (preg_match("/^\s*UID [0-9]+\)$/", $line)) { - break; - } - - // handle FLAGS reply after headers (AOL, Zimbra?) - if (preg_match('/\s+FLAGS \((.*)\)\)$/', $line, $matches)) { - $flags_a = $this->tokenizeResponse($matches[1]); - break; - } - - if (ord($line[0])<=32) { - $lines[$ln] .= (empty($lines[$ln])?'':"\n").trim($line); - } else { - $lines[++$ln] = trim($line); - } - // patch from "Maksim Rubis" <siburny@hotmail.com> - } while ($line[0] != ')' && !$this->startsWith($line, $key, true)); - - if (strncmp($line, $key, strlen($key))) { - // process header, fill rcube_mail_header obj. - // initialize - if (is_array($headers)) { - reset($headers); - while (list($k, $bar) = each($headers)) { - $headers[$k] = ''; - } - } - - // create array with header field:data - while (list($lines_key, $str) = each($lines)) { - list($field, $string) = explode(':', $str, 2); - - $field = strtolower($field); - $string = preg_replace('/\n[\t\s]*/', ' ', trim($string)); - - switch ($field) { - case 'date'; - $result[$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 'subject': - $result[$id]->subject = $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; - break; - case 'content-type': - $ctype_parts = preg_split('/[; ]/', $string); - $result[$id]->ctype = strtolower(array_shift($ctype_parts)); - if (preg_match('/charset\s*=\s*"?([a-z0-9\-\.\_]+)"?/i', $string, $regs)) { - $result[$id]->charset = $regs[1]; - } - 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': - case 'x-confirm-reading-to': - $result[$id]->mdn_to = $string; - break; - case 'message-id': - $result[$id]->messageID = $string; - break; - case 'x-priority': - if (preg_match('/^(\d+)/', $string, $matches)) { - $result[$id]->priority = intval($matches[1]); - } - break; - default: - if (strlen($field) > 2) { - $result[$id]->others[$field] = $string; - } - break; - } // end switch () - } // end while () - } - - // process flags - if (!empty($flags_a)) { - foreach ($flags_a as $flag) { - $flag = str_replace('\\', '', $flag); - $result[$id]->flags[] = $flag; - - switch (strtoupper($flag)) { - case 'SEEN': - $result[$id]->seen = true; - break; - case 'DELETED': - $result[$id]->deleted = true; - break; - case 'ANSWERED': - $result[$id]->answered = true; - break; - case '$FORWARDED': - $result[$id]->forwarded = true; - break; - case '$MDNSENT': - $result[$id]->mdn_sent = true; - break; - case 'FLAGGED': - $result[$id]->flagged = true; - break; - } - } - } - } - } while (!$this->startsWith($line, $key, true)); - - return $result; - } - - function fetchHeader($mailbox, $id, $uidfetch=false, $bodystr=false, $add='') - { - $a = $this->fetchHeaders($mailbox, $id, $uidfetch, $bodystr, $add); - if (is_array($a)) { - return array_shift($a); - } - return false; - } - - function sortHeaders($a, $field, $flag) - { - if (empty($field)) { - $field = 'uid'; - } - else { - $field = strtolower($field); - } - - if ($field == 'date' || $field == 'internaldate') { - $field = 'timestamp'; - } - - if (empty($flag)) { - $flag = 'ASC'; - } else { - $flag = strtoupper($flag); - } - - $c = count($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. - - // 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); - } - } - $index[$key] = $data; - } - - // sort index - if ($flag == 'ASC') { - asort($index); - } else { - arsort($index); - } - - // form new array based on index - $result = array(); - reset($index); - while (list($key, $val) = each($index)) { - $result[$key] = $a[$key]; - } - } - - 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)) { - $params .= ($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, $pos)); - } - - if ($esearch) { - // Skip prefix: ... (TAG "A285") UID ... - $this->tokenizeResponse($response, $return_uid ? 2 : 1); - - $result = array(); - for ($i=0; $i<count($items); $i++) { - // If the SEARCH results in no matches, the server MUST NOT - // include the item result option in the ESEARCH response - if ($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 $response; - } - } - } - - return false; } /** @@ -2190,12 +1320,29 @@ list($code, $response) = $this->execute($subscribed ? 'LSUB' : 'LIST', $args); if ($code == self::ERROR_OK) { - $folders = array(); - while ($this->tokenizeResponse($response, 1) == '*') { - $cmd = strtoupper($this->tokenizeResponse($response, 1)); + $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) = $this->tokenizeResponse($response, 3); + list($opts, $delim, $mailbox) = $this->tokenizeResponse($line, 3); // Add to result array if (!$lstatus) { @@ -2206,30 +1353,20 @@ } // Add to options array - if (!empty($opts)) { - if (empty($this->data['LIST'][$mailbox])) - $this->data['LIST'][$mailbox] = $opts; - else - $this->data['LIST'][$mailbox] = array_unique(array_merge( - $this->data['LIST'][$mailbox], $opts)); - } + if (empty($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) = $this->tokenizeResponse($response, 2); + 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; } - } - // other untagged response line, skip it - else { - $response = ltrim($response); - if (($position = strpos($response, "\n")) !== false) - $response = substr($response, $position+1); - else - $response = ''; } } @@ -2239,7 +1376,965 @@ return false; } - function fetchMIMEHeaders($mailbox, $id, $parts, $mime=true) + /** + * Returns count of all messages in a folder + * + * @param string $mailbox Mailbox name + * + * @return int Number of messages, False on error + */ + function countMessages($mailbox, $refresh = false) + { + if ($refresh) { + $this->selected = null; + } + + if ($this->selected === $mailbox) { + return $this->data['EXISTS']; + } + + // Check internal cache + $cache = $this->data['STATUS:'.$mailbox]; + if (!empty($cache) && isset($cache['MESSAGES'])) { + return (int) $cache['MESSAGES']; + } + + // Try STATUS (should be faster than SELECT) + $counts = $this->status($mailbox); + if (is_array($counts)) { + return (int) $counts['MESSAGES']; + } + + return false; + } + + /** + * Returns count of messages with \Recent flag in a folder + * + * @param string $mailbox Mailbox name + * + * @return int Number of messages, False on error + */ + function countRecent($mailbox) + { + if (!strlen($mailbox)) { + $mailbox = 'INBOX'; + } + + $this->select($mailbox); + + if ($this->selected === $mailbox) { + return $this->data['RECENT']; + } + + return false; + } + + /** + * Returns count of messages without \Seen flag in a specified folder + * + * @param string $mailbox Mailbox name + * + * @return int Number of messages, False on error + */ + function countUnseen($mailbox) + { + // Check internal cache + $cache = $this->data['STATUS:'.$mailbox]; + if (!empty($cache) && isset($cache['UNSEEN'])) { + return (int) $cache['UNSEEN']; + } + + // Try STATUS (should be faster than SELECT+SEARCH) + $counts = $this->status($mailbox); + if (is_array($counts)) { + return (int) $counts['UNSEEN']; + } + + // Invoke SEARCH as a fallback + $index = $this->search($mailbox, 'ALL UNSEEN', false, array('COUNT')); + if (!$index->is_error()) { + return $index->count(); + } + + return false; + } + + /** + * Executes ID command (RFC2971) + * + * @param array $items Client identification information key/value hash + * + * @return array Server identification information key/value hash + * @since 0.6 + */ + function id($items=array()) + { + if (is_array($items) && !empty($items)) { + foreach ($items as $key => $value) { + $args[] = $this->escape($key, true); + $args[] = $this->escape($value, true); + } + } + + list($code, $response) = $this->execute('ID', array( + !empty($args) ? '(' . implode(' ', (array) $args) . ')' : $this->escape(null) + )); + + + if ($code == self::ERROR_OK && preg_match('/\* ID /i', $response)) { + $response = substr($response, 5); // remove prefix "* ID " + $items = $this->tokenizeResponse($response, 1); + $result = null; + + for ($i=0, $len=count($items); $i<$len; $i += 2) { + $result[$items[$i]] = $items[$i+1]; + } + + return $result; + } + + return false; + } + + /** + * Executes ENABLE command (RFC5161) + * + * @param mixed $extension Extension name to enable (or array of names) + * + * @return array|bool List of enabled extensions, False on error + * @since 0.6 + */ + function enable($extension) + { + if (empty($extension)) + return false; + + if (!$this->hasCapability('ENABLE')) + return false; + + if (!is_array($extension)) + $extension = array($extension); + + list($code, $response) = $this->execute('ENABLE', $extension); + + if ($code == self::ERROR_OK && preg_match('/\* ENABLED /i', $response)) { + $response = substr($response, 10); // remove prefix "* ENABLED " + $result = (array) $this->tokenizeResponse($response); + + return $result; + } + + return false; + } + + /** + * 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') + { + require_once dirname(__FILE__) . '/rcube_result_index.php'; + + $field = strtoupper($field); + if ($field == 'INTERNALDATE') { + $field = 'ARRIVAL'; + } + + $fields = array('ARRIVAL' => 1,'CC' => 1,'DATE' => 1, + 'FROM' => 1, 'SIZE' => 1, 'SUBJECT' => 1, 'TO' => 1); + + if (!$fields[$field]) { + return new rcube_result_index($mailbox); + } + + if (!$this->select($mailbox)) { + 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) = $this->execute($return_uid ? 'UID SORT' : 'SORT', + array("($field)", $encoding, 'ALL' . (!empty($add) ? ' '.$add : ''))); + + if ($code != self::ERROR_OK) { + $response = null; + } + + return new rcube_result_index($mailbox, $response); + } + + /** + * 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') + { + require_once dirname(__FILE__) . '/rcube_result_thread.php'; + + $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()) + { + require_once dirname(__FILE__) . '/rcube_result_index.php'; + + $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) && ((int) $criteria != $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) + { + require_once dirname(__FILE__) . '/rcube_result_index.php'; + + $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))) + return false; + } else { + list($from_idx, $to_idx) = explode(':', $message_set); + if (empty($message_set) || + (isset($to_idx) && $to_idx != '*' && (int)$from_idx > (int)$to_idx)) { + return false; + } + } + + $index_field = empty($index_field) ? 'DATE' : strtoupper($index_field); + + $fields_a['DATE'] = 1; + $fields_a['INTERNALDATE'] = 4; + $fields_a['ARRIVAL'] = 4; + $fields_a['FROM'] = 1; + $fields_a['REPLY-TO'] = 1; + $fields_a['SENDER'] = 1; + $fields_a['TO'] = 1; + $fields_a['CC'] = 1; + $fields_a['SUBJECT'] = 1; + $fields_a['UID'] = 2; + $fields_a['SIZE'] = 2; + $fields_a['SEEN'] = 3; + $fields_a['RECENT'] = 3; + $fields_a['DELETED'] = 3; + + if (!($mode = $fields_a[$index_field])) { + return false; + } + + /* Do "SELECT" command */ + if (!$this->select($mailbox)) { + return false; + } + + // build FETCH command string + $key = $this->nextTag(); + $cmd = $uidfetch ? 'UID FETCH' : 'FETCH'; + $fields = array(); + + if ($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') + $fields[] = 'RFC822.SIZE'; + else if (!$return_uid || $index_field != 'UID') + $fields[] = $index_field; + } + else if ($mode == 3 && !$skip_deleted) + $fields[] = 'FLAGS'; + else if ($mode == 4) + $fields[] = 'INTERNALDATE'; + + $request = "$key $cmd $message_set (" . implode(' ', $fields) . ")"; + + if (!$this->putLine($request)) { + $this->setError(self::ERROR_COMMAND, "Unable to send command: $request"); + return false; + } + + $result = array(); + + do { + $line = rtrim($this->readLine(200)); + $line = $this->multLine($line); + + if (preg_match('/^\* ([0-9]+) FETCH/', $line, $m)) { + $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)) { + $deleted[$id] = $id; + continue; + } + } + + if ($mode == 1 && $index_field == 'DATE') { + if (preg_match('/BODY\[HEADER\.FIELDS \("*DATE"*\)\] (.*)/', $line, $matches)) { + $value = preg_replace(array('/^"*[a-z]+:/i'), '', $matches[1]); + $value = trim($value); + $result[$id] = $this->strToTime($value); + } + // non-existent/empty Date: header, use INTERNALDATE + if (empty($result[$id])) { + if (preg_match('/INTERNALDATE "([^"]+)"/', $line, $matches)) + $result[$id] = $this->strToTime($matches[1]); + else + $result[$id] = 0; + } + } 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 { + $result[$id] = ''; + } + } else if ($mode == 2) { + if (preg_match('/(UID|RFC822\.SIZE) ([0-9]+)/', $line, $matches)) { + $result[$id] = trim($matches[2]); + } else { + $result[$id] = 0; + } + } 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) { + if (preg_match('/INTERNALDATE "([^"]+)"/', $line, $matches)) { + $result[$id] = $this->strToTime($matches[1]); + } else { + $result[$id] = 0; + } + } + } + } while (!$this->startsWith($line, $key, true, true)); + + return $result; + } + + /** + * Returns message sequence identifier + * + * @param string $mailbox Mailbox name + * @param int $uid Message unique identifier (UID) + * + * @return int Message sequence identifier + */ + function UID2ID($mailbox, $uid) + { + if ($uid > 0) { + $index = $this->search($mailbox, "UID $uid"); + + if ($index->count() == 1) { + $arr = $index->get(); + return (int) $arr[0]; + } + } + return null; + } + + /** + * Returns message unique identifier (UID) + * + * @param string $mailbox Mailbox name + * @param int $uid Message sequence identifier + * + * @return int Message unique identifier + */ + function ID2UID($mailbox, $id) + { + if (empty($id) || $id < 0) { + return null; + } + + if (!$this->select($mailbox)) { + return null; + } + + $index = $this->search($mailbox, $id, true); + + if ($index->count() == 1) { + $arr = $index->get(); + return (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 $flag Flag name + * + * @return bool True on success, False on failure + */ + function flag($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 $flag Flag name + * + * @return bool True on success, False on failure + */ + function unflag($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; + } + + /** + * FETCH command (RFC3501) + * + * @param string $mailbox Mailbox name + * @param mixed $message_set Message(s) sequence identifier(s) or UID(s) + * @param bool $is_uid True if $message_set contains UIDs + * @param array $query_items FETCH command data items + * @param string $mod_seq Modification sequence for CHANGEDSINCE (RFC4551) query + * @param bool $vanished Enables VANISHED parameter (RFC5162) for CHANGEDSINCE query + * + * @return array List of rcube_mail_header elements, False on error + * @since 0.6 + */ + function fetch($mailbox, $message_set, $is_uid = false, $query_items = array(), + $mod_seq = null, $vanished = false) + { + if (!$this->select($mailbox)) { + return false; + } + + $message_set = $this->compressMessageSet($message_set); + $result = array(); + + $key = $this->nextTag(); + $request = $key . ($is_uid ? ' UID' : '') . " FETCH $message_set "; + $request .= "(" . implode(' ', $query_items) . ")"; + + if ($mod_seq !== null && $this->hasCapability('CONDSTORE')) { + $request .= " (CHANGEDSINCE $mod_seq" . ($vanished ? " VANISHED" : '') .")"; + } + + if (!$this->putLine($request)) { + $this->setError(self::ERROR_COMMAND, "Unable to send command: $request"); + return false; + } + + do { + $line = $this->readLine(4096); + + if (!$line) + break; + + // Sample reply line: + // * 321 FETCH (UID 2417 RFC822.SIZE 2730 FLAGS (\Seen) + // INTERNALDATE "16-Nov-2008 21:08:46 +0100" BODYSTRUCTURE (...) + // BODY[HEADER.FIELDS ... + + if (preg_match('/^\* ([0-9]+) FETCH/', $line, $m)) { + $id = intval($m[1]); + + $result[$id] = new rcube_mail_header; + $result[$id]->id = $id; + $result[$id]->subject = ''; + $result[$id]->messageID = 'mid:' . $id; + + $lines = array(); + $line = substr($line, strlen($m[0]) + 2); + $ln = 0; + + // get complete entry + while (preg_match('/\{([0-9]+)\}\r\n$/', $line, $m)) { + $bytes = $m[1]; + $out = ''; + + while (strlen($out) < $bytes) { + $out = $this->readBytes($bytes); + if ($out === NULL) + break; + $line .= $out; + } + + $str = $this->readLine(4096); + if ($str === false) + break; + + $line .= $str; + } + + // Tokenize response and assign to object properties + while (list($name, $value) = $this->tokenizeResponse($line, 2)) { + if ($name == 'UID') { + $result[$id]->uid = intval($value); + } + else if ($name == 'RFC822.SIZE') { + $result[$id]->size = intval($value); + } + else if ($name == 'RFC822.TEXT') { + $result[$id]->body = $value; + } + else if ($name == 'INTERNALDATE') { + $result[$id]->internaldate = $value; + $result[$id]->date = $value; + $result[$id]->timestamp = $this->StrToTime($value); + } + else if ($name == 'FLAGS') { + if (!empty($value)) { + foreach ((array)$value as $flag) { + $flag = str_replace(array('$', '\\'), '', $flag); + $flag = strtoupper($flag); + + $result[$id]->flags[$flag] = true; + } + } + } + else if ($name == 'MODSEQ') { + $result[$id]->modseq = $value[0]; + } + else if ($name == 'ENVELOPE') { + $result[$id]->envelope = $value; + } + else if ($name == 'BODYSTRUCTURE' || ($name == 'BODY' && count($value) > 2)) { + if (!is_array($value[0]) && (strtolower($value[0]) == 'message' && strtolower($value[1]) == 'rfc822')) { + $value = array($value); + } + $result[$id]->bodystructure = $value; + } + else if ($name == 'RFC822') { + $result[$id]->body = $value; + } + else if ($name == 'BODY') { + $body = $this->tokenizeResponse($line, 1); + if ($value[0] == 'HEADER.FIELDS') + $headers = $body; + else if (!empty($value)) + $result[$id]->bodypart[$value[0]] = $body; + else + $result[$id]->body = $body; + } + } + + // create array with header field:data + if (!empty($headers)) { + $headers = explode("\n", trim($headers)); + foreach ($headers as $hid => $resln) { + if (ord($resln[0]) <= 32) { + $lines[$ln] .= (empty($lines[$ln]) ? '' : "\n") . trim($resln); + } else { + $lines[++$ln] = trim($resln); + } + } + + while (list($lines_key, $str) = each($lines)) { + list($field, $string) = explode(':', $str, 2); + + $field = strtolower($field); + $string = preg_replace('/\n[\t\s]*/', ' ', trim($string)); + + switch ($field) { + case 'date'; + $result[$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 'subject': + $result[$id]->subject = $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; + break; + case 'content-type': + $ctype_parts = preg_split('/[; ]/', $string); + $result[$id]->ctype = strtolower(array_shift($ctype_parts)); + if (preg_match('/charset\s*=\s*"?([a-z0-9\-\.\_]+)"?/i', $string, $regs)) { + $result[$id]->charset = $regs[1]; + } + 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': + case 'x-confirm-reading-to': + $result[$id]->mdn_to = $string; + break; + case 'message-id': + $result[$id]->messageID = $string; + break; + case 'x-priority': + if (preg_match('/^(\d+)/', $string, $matches)) { + $result[$id]->priority = intval($matches[1]); + } + break; + default: + if (strlen($field) > 2) { + $result[$id]->others[$field] = $string; + } + break; + } + } + } + } + + // VANISHED response (QRESYNC RFC5162) + // Sample: * VANISHED (EARLIER) 300:310,405,411 + + else if (preg_match('/^\* VANISHED [()EARLIER]*/i', $line, $match)) { + $line = substr($line, strlen($match[0])); + $v_data = $this->tokenizeResponse($line, 1); + + $this->data['VANISHED'] = $v_data; + } + + } while (!$this->startsWith($line, $key, true)); + + return $result; + } + + function fetchHeaders($mailbox, $message_set, $is_uid = false, $bodystr = false, $add = '') + { + $query_items = array('UID', 'RFC822.SIZE', 'FLAGS', 'INTERNALDATE'); + if ($bodystr) + $query_items[] = 'BODYSTRUCTURE'; + $query_items[] = 'BODY.PEEK[HEADER.FIELDS (' + . 'DATE FROM TO SUBJECT CONTENT-TYPE CC REPLY-TO LIST-POST DISPOSITION-NOTIFICATION-TO X-PRIORITY' + . ($add ? ' ' . trim($add) : '') + . ')]'; + + $result = $this->fetch($mailbox, $message_set, $is_uid, $query_items); + + return $result; + } + + function fetchHeader($mailbox, $id, $uidfetch=false, $bodystr=false, $add='') + { + $a = $this->fetchHeaders($mailbox, $id, $uidfetch, $bodystr, $add); + if (is_array($a)) { + return array_shift($a); + } + return false; + } + + function sortHeaders($a, $field, $flag) + { + if (empty($field)) { + $field = 'uid'; + } + else { + $field = strtolower($field); + } + + if ($field == 'date' || $field == 'internaldate') { + $field = 'timestamp'; + } + + if (empty($flag)) { + $flag = 'ASC'; + } else { + $flag = strtoupper($flag); + } + + $c = count($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. + + // 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); + } + } + $index[$key] = $data; + } + + // sort index + if ($flag == 'ASC') { + asort($index); + } else { + arsort($index); + } + + // form new array based on index + $result = array(); + reset($index); + while (list($key, $val) = each($index)) { + $result[$key] = $a[$key]; + } + } + + return $result; + } + + function fetchMIMEHeaders($mailbox, $uid, $parts, $mime=true) { if (!$this->select($mailbox)) { return false; @@ -2248,16 +2343,15 @@ $result = false; $parts = (array) $parts; $key = $this->nextTag(); - $peeks = ''; - $idx = 0; + $peeks = array(); $type = $mime ? 'MIME' : 'HEADER'; // format request - foreach($parts as $part) { + foreach ($parts as $part) { $peeks[] = "BODY.PEEK[$part.$type]"; } - $request = "$key FETCH $id (" . implode(' ', $peeks) . ')'; + $request = "$key UID FETCH $uid (" . implode(' ', $peeks) . ')'; // send request if (!$this->putLine($request)) { @@ -2267,13 +2361,25 @@ do { $line = $this->readLine(1024); - $line = $this->multLine($line); - if (preg_match('/BODY\[([0-9\.]+)\.'.$type.'\]/', $line, $matches)) { - $idx = $matches[1]; - $result[$idx] = preg_replace('/^(\* '.$id.' FETCH \()?\s*BODY\['.$idx.'\.'.$type.'\]\s+/', '', $line); - $result[$idx] = trim($result[$idx], '"'); - $result[$idx] = rtrim($result[$idx], "\t\r\n\0\x0B"); + 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; + } + } + + $result[$idx] = trim($headers); } } while (!$this->startsWith($line, $key, true)); @@ -2330,8 +2436,10 @@ $len = strlen($line); $result = false; + if ($a[2] != 'FETCH') { + } // handle empty "* X FETCH ()" response - if ($line[$len-1] == ')' && $line[$len-2] != '(') { + else if ($line[$len-1] == ')' && $line[$len-2] != '(') { // one line response, get everything between first and last quotes if (substr($line, -4, 3) == 'NIL') { // NIL response @@ -2395,8 +2503,6 @@ } else if ($mode == 2) { $line = rtrim($line, "\t\r\0\x0B"); $line = quoted_printable_decode($line); - // Remove NULL characters (#1486189) - $line = str_replace("\x00", '', $line); // UUENCODE } else if ($mode == 3) { $line = rtrim($line, "\t\r\n\0\x0B"); @@ -2436,24 +2542,18 @@ 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 + * + * @param string $mailbox Mailbox name + * @param string $message Message content + * + * @return string|bool On success APPENDUID response (if available) or True, False on failure + */ function append($mailbox, &$message) { + unset($this->data['APPENDUID']); + if (!$mailbox) { return false; } @@ -2492,7 +2592,12 @@ // Clear internal status cache unset($this->data['STATUS:'.$mailbox]); - return ($this->parseResult($line, 'APPEND: ') == self::ERROR_OK); + if ($this->parseResult($line, 'APPEND: ') != self::ERROR_OK) + return false; + else if (!empty($this->data['APPENDUID'])) + return $this->data['APPENDUID']; + else + return true; } else { $this->setError(self::ERROR_COMMAND, "Unable to send command: $request"); @@ -2501,8 +2606,19 @@ return false; } + /** + * Handler for IMAP APPEND command. + * + * @param string $mailbox Mailbox name + * @param string $path Path to the file with message body + * @param string $headers Message headers + * + * @return string|bool On success APPENDUID response (if available) or True, False on failure + */ function appendFromFile($mailbox, $path, $headers=null) { + unset($this->data['APPENDUID']); + if (!$mailbox) { return false; } @@ -2569,7 +2685,12 @@ // Clear internal status cache unset($this->data['STATUS:'.$mailbox]); - return ($this->parseResult($line, 'APPEND: ') == self::ERROR_OK); + if ($this->parseResult($line, 'APPEND: ') != self::ERROR_OK) + return false; + else if (!empty($this->data['APPENDUID'])) + return $this->data['APPENDUID']; + else + return true; } else { $this->setError(self::ERROR_COMMAND, "Unable to send command: $request"); @@ -2578,33 +2699,11 @@ return false; } - function fetchStructureString($mailbox, $id, $is_uid=false) - { - if (!$this->select($mailbox)) { - return false; - } - - $key = $this->nextTag(); - $result = false; - $command = $key . ($is_uid ? ' UID' : '') ." FETCH $id (BODYSTRUCTURE)"; - - if ($this->putLine($command)) { - do { - $line = $this->readLine(5000); - $line = $this->multLine($line, true); - if (!preg_match("/^$key /", $line)) - $result .= $line; - } while (!$this->startsWith($line, $key, true, true)); - - $result = trim(substr($result, strpos($result, 'BODYSTRUCTURE')+13, -1)); - } - else { - $this->setError(self::ERROR_COMMAND, "Unable to send command: $command"); - } - - return $result; - } - + /** + * Returns QUOTA information + * + * @return array Quota information + */ function getQuota() { /* @@ -3090,6 +3189,102 @@ } /** + * Returns BODYSTRUCTURE for the specified message. + * + * @param string $mailbox Folder name + * @param int $id Message sequence number or UID + * @param bool $is_uid True if $id is an UID + * + * @return array/bool Body structure array or False on error. + * @since 0.6 + */ + function getStructure($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; + } + + /** + * Returns data of a message part according to specified structure. + * + * @param array $structure Message structure (getStructure() result) + * @param string $part Message part identifier + * + * @return array Part data as hash array (type, encoding, charset, size) + */ + static function getStructurePartData($structure, $part) + { + $part_a = self::getStructurePartArray($structure, $part); + $data = array(); + + if (empty($part_a)) { + return $data; + } + + // content-type + if (is_array($part_a[0])) { + $data['type'] = 'multipart'; + } + else { + $data['type'] = strtolower($part_a[0]); + + // encoding + $data['encoding'] = strtolower($part_a[5]); + + // charset + if (is_array($part_a[2])) { + while (list($key, $val) = each($part_a[2])) { + if (strcasecmp($val, 'charset') == 0) { + $data['charset'] = $part_a[2][$key+1]; + break; + } + } + } + } + + // size + $data['size'] = intval($part_a[6]); + + return $data; + } + + static function getStructurePartArray($a, $part) + { + if (!is_array($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) { + $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($a[$part-1])) + return $a[$part-1]; + else + return $a; + } + } + + /** * Creates next command identifier (tag) * * @return string Command identifier @@ -3121,7 +3316,9 @@ $response = $noresp ? null : ''; if (!empty($arguments)) { - $query .= ' ' . implode(' ', $arguments); + foreach ($arguments as $arg) { + $query .= ' ' . self::r_implode($arg); + } } // Send command @@ -3188,7 +3385,7 @@ if (!is_numeric(($bytes = substr($str, 1, $epos - 1)))) { // error } - $result[] = substr($str, $epos + 3, $bytes); + $result[] = $bytes ? substr($str, $epos + 3, $bytes) : ''; // Advance the string $str = substr($str, $epos + 3 + $bytes); break; @@ -3217,28 +3414,25 @@ // Parenthesized list case '(': + case '[': $str = substr($str, 1); $result[] = self::tokenizeResponse($str); break; case ')': + case ']': $str = substr($str, 1); return $result; break; // String atom, number, NIL, *, % default: - // empty or one character - if ($str === '') { + // empty string + if ($str === '' || $str === null) { break 2; } - if (strlen($str) < 2) { - $result[] = $str; - $str = ''; - break; - } - // excluded chars: SP, CTL, ) - if (preg_match('/^([^\x00-\x20\x29\x7F]+)/', $str, $m)) { + // excluded chars: SP, CTL, ), [, ] + if (preg_match('/^([^\x00-\x20\x29\x5B\x5D\x7F]+)/', $str, $m)) { $result[] = $m[1] == 'NIL' ? NULL : $m[1]; $str = substr($str, strlen($m[1])); } @@ -3247,6 +3441,105 @@ } return $num == 1 ? $result[0] : $result; + } + + static function r_implode($element) + { + $string = ''; + + if (is_array($element)) { + reset($element); + while (list($key, $value) = each($element)) { + $string .= ' ' . self::r_implode($value); + } + } + else { + return $element; + } + + return '(' . trim($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) @@ -3287,6 +3580,9 @@ return $ts < 0 ? 0 : $ts; } + /** + * CAPABILITY response parser + */ private function parseCapability($str, $trusted=false) { $str = preg_replace('/^\* CAPABILITY /i', '', $str); @@ -3332,6 +3628,13 @@ return sprintf("{%d}\r\n%s", strlen($string), $string); } + /** + * Unescapes quoted-string + * + * @param string $string IMAP string + * + * @return string String + */ static function unEscape($string) { return stripslashes($string); @@ -3359,6 +3662,10 @@ */ private function debug($message) { + if ($this->resourceid) { + $message = sprintf('[%s] %s', $this->resourceid, $message); + } + if ($this->_debug_handler) { call_user_func_array($this->_debug_handler, array(&$this, $message)); } else { -- Gitblit v1.9.1