diff options
Diffstat (limited to 'program/lib/Roundcube/rcube_imap_generic.php')
| -rw-r--r-- | program/lib/Roundcube/rcube_imap_generic.php | 310 |
1 files changed, 176 insertions, 134 deletions
diff --git a/program/lib/Roundcube/rcube_imap_generic.php b/program/lib/Roundcube/rcube_imap_generic.php index 2ac1355fd..920c7184a 100644 --- a/program/lib/Roundcube/rcube_imap_generic.php +++ b/program/lib/Roundcube/rcube_imap_generic.php @@ -72,6 +72,8 @@ class rcube_imap_generic const COMMAND_CAPABILITY = 2; const COMMAND_LASTLINE = 4; + const DEBUG_LINE_LENGTH = 4098; // 4KB + 2B for \r\n + /** * Object constructor */ @@ -713,6 +715,10 @@ class rcube_imap_generic $auth_method = 'CHECK'; } + if (!empty($this->prefs['disabled_caps'])) { + $this->prefs['disabled_caps'] = array_map('strtoupper', (array)$this->prefs['disabled_caps']); + } + $result = false; // initialize connection @@ -746,7 +752,7 @@ class rcube_imap_generic } if ($this->prefs['timeout'] <= 0) { - $this->prefs['timeout'] = ini_get('default_socket_timeout'); + $this->prefs['timeout'] = max(0, intval(ini_get('default_socket_timeout'))); } // Connect @@ -1077,7 +1083,7 @@ class rcube_imap_generic } if (!$this->data['READ-WRITE']) { - $this->setError(self::ERROR_READONLY, "Mailbox is read-only", 'EXPUNGE'); + $this->setError(self::ERROR_READONLY, "Mailbox is read-only"); return false; } @@ -1327,9 +1333,8 @@ class rcube_imap_generic $folders[$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) || $cmd == 'LIST') { + // store folder options + if ($cmd == 'LIST') { // Add to options array if (empty($this->data['LIST'][$mailbox])) $this->data['LIST'][$mailbox] = $opts; @@ -1561,11 +1566,12 @@ class rcube_imap_generic } // message IDs - if (!empty($add)) + if (!empty($add)) { $add = $this->compressMessageSet($add); + } list($code, $response) = $this->execute($return_uid ? 'UID SORT' : 'SORT', - array("($field)", $encoding, 'ALL' . (!empty($add) ? ' '.$add : ''))); + array("($field)", $encoding, !empty($add) ? $add : 'ALL')); if ($code != self::ERROR_OK) { $response = null; @@ -1652,7 +1658,6 @@ class rcube_imap_generic } if (!empty($criteria)) { - $modseq = stripos($criteria, 'MODSEQ') !== false; $params .= ($params ? ' ' : '') . $criteria; } else { @@ -1791,7 +1796,6 @@ class rcube_imap_generic if ($skip_deleted && preg_match('/FLAGS \(([^)]+)\)/', $line, $matches)) { $flags = explode(' ', strtoupper($matches[1])); if (in_array('\\DELETED', $flags)) { - $deleted[$id] = $id; continue; } } @@ -1936,7 +1940,7 @@ class rcube_imap_generic } if (!$this->data['READ-WRITE']) { - $this->setError(self::ERROR_READONLY, "Mailbox is read-only", 'STORE'); + $this->setError(self::ERROR_READONLY, "Mailbox is read-only"); return false; } @@ -1997,7 +2001,7 @@ class rcube_imap_generic } if (!$this->data['READ-WRITE']) { - $this->setError(self::ERROR_READONLY, "Mailbox is read-only", 'STORE'); + $this->setError(self::ERROR_READONLY, "Mailbox is read-only"); return false; } @@ -2158,21 +2162,25 @@ class rcube_imap_generic else if ($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]] = $body; + else if (stripos($name, 'BODY[') === 0) { + $name = str_replace(']', '', substr($name, 5)); + + if ($name == 'HEADER.FIELDS') { + // skip ']' after headers list + $this->tokenizeResponse($line, 1); + $headers = $this->tokenizeResponse($line, 1); + } + else if (strlen($name)) + $result[$id]->bodypart[$name] = $value; else - $result[$id]->body = $body; + $result[$id]->body = $value; } } // create array with header field:data if (!empty($headers)) { $headers = explode("\n", trim($headers)); - foreach ($headers as $hid => $resln) { + foreach ($headers as $resln) { if (ord($resln[0]) <= 32) { $lines[$ln] .= (empty($lines[$ln]) ? '' : "\n") . trim($resln); } else { @@ -2180,7 +2188,7 @@ class rcube_imap_generic } } - while (list($lines_key, $str) = each($lines)) { + foreach ($lines as $str) { list($field, $string) = explode(':', $str, 2); $field = strtolower($field); @@ -2265,24 +2273,53 @@ class rcube_imap_generic return $result; } - function fetchHeaders($mailbox, $message_set, $is_uid = false, $bodystr = false, $add = '') + /** + * Returns message(s) data (flags, headers, etc.) + * + * @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 bool $bodystr Enable to add BODYSTRUCTURE data to the result + * @param array $add_headers List of additional headers + * + * @return bool|array List of rcube_message_header elements, False on error + */ + function fetchHeaders($mailbox, $message_set, $is_uid = false, $bodystr = false, $add_headers = array()) { $query_items = array('UID', 'RFC822.SIZE', 'FLAGS', 'INTERNALDATE'); - if ($bodystr) + $headers = array('DATE', 'FROM', 'TO', 'SUBJECT', 'CONTENT-TYPE', 'CC', 'REPLY-TO', + 'LIST-POST', 'DISPOSITION-NOTIFICATION-TO', 'X-PRIORITY'); + + if (!empty($add_headers)) { + $add_headers = array_map('strtoupper', $add_headers); + $headers = array_unique(array_merge($headers, $add_headers)); + } + + if ($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) : '') - . ')]'; + } + + $query_items[] = 'BODY.PEEK[HEADER.FIELDS (' . implode(' ', $headers) . ')]'; $result = $this->fetch($mailbox, $message_set, $is_uid, $query_items); return $result; } - function fetchHeader($mailbox, $id, $uidfetch=false, $bodystr=false, $add='') + /** + * Returns message data (flags, headers, etc.) + * + * @param string $mailbox Mailbox name + * @param int $id Message sequence identifier or UID + * @param bool $is_uid True if $id is an UID + * @param bool $bodystr Enable to add BODYSTRUCTURE data to the result + * @param array $add_headers List of additional headers + * + * @return bool|rcube_message_header Message data, False on error + */ + function fetchHeader($mailbox, $id, $is_uid = false, $bodystr = false, $add_headers = array()) { - $a = $this->fetchHeaders($mailbox, $id, $uidfetch, $bodystr, $add); + $a = $this->fetchHeaders($mailbox, $id, $is_uid, $bodystr, $add_headers); if (is_array($a)) { return array_shift($a); } @@ -2446,6 +2483,7 @@ class rcube_imap_generic $key = $this->nextTag(); $request = $key . ($is_uid ? ' UID' : '') . " FETCH $id ($fetch_mode.PEEK[$part]$partial)"; $result = false; + $found = false; // send request if (!$this->putLine($request)) { @@ -2465,18 +2503,26 @@ class rcube_imap_generic break; } - if (!preg_match('/^\* ([0-9]+) FETCH (.*)$/', $line, $m)) { + // skip irrelevant untagged responses (we have a result already) + if ($found || !preg_match('/^\* ([0-9]+) FETCH (.*)$/', $line, $m)) { continue; } $line = $m[2]; - $last = substr($line, -1); // handle one line response - if ($line[0] == '(' && $last == ')') { + if ($line[0] == '(' && substr($line, -1) == ')') { // tokenize content inside brackets - $tokens = $this->tokenizeResponse(preg_replace('/(^\(|\$)/', '', $line)); - $result = count($tokens) == 1 ? $tokens[0] : false; + // the content can be e.g.: (UID 9844 BODY[2.4] NIL) + $tokens = $this->tokenizeResponse(preg_replace('/(^\(|\)$)/', '', $line)); + + for ($i=0; $i<count($tokens); $i+=2) { + if (preg_match('/^(BODY|BINARY)/i', $tokens[$i])) { + $result = $tokens[$i+1]; + $found = true; + break; + } + } if ($result !== false) { if ($mode == 1) { @@ -2494,8 +2540,13 @@ class rcube_imap_generic else if (preg_match('/\{([0-9]+)\}$/', $line, $m)) { $bytes = (int) $m[1]; $prev = ''; + $found = true; - while ($bytes > 0) { + // empty body + if (!$bytes) { + $result = ''; + } + else while ($bytes > 0) { $line = $this->readLine(8192); if ($line === NULL) { @@ -2577,11 +2628,11 @@ class rcube_imap_generic /** * Handler for IMAP APPEND command * - * @param string $mailbox Mailbox name - * @param string $message Message content - * @param array $flags Message flags - * @param string $date Message internal date - * @param bool $binary Enable BINARY append (RFC3516) + * @param string $mailbox Mailbox name + * @param string|array $message The message source string or array (of strings and file pointers) + * @param array $flags Message flags + * @param string $date Message internal date + * @param bool $binary Enable BINARY append (RFC3516) * * @return string|bool On success APPENDUID response (if available) or True, False on failure */ @@ -2595,13 +2646,28 @@ class rcube_imap_generic $binary = $binary && $this->getCapability('BINARY'); $literal_plus = !$binary && $this->prefs['literal+']; + $len = 0; + $msg = is_array($message) ? $message : array(&$message); + $chunk_size = 512000; + + for ($i=0, $cnt=count($msg); $i<$cnt; $i++) { + if (is_resource($msg[$i])) { + $stat = fstat($msg[$i]); + if ($stat === false) { + return false; + } + $len += $stat['size']; + } + else { + if (!$binary) { + $msg[$i] = str_replace("\r", '', $msg[$i]); + $msg[$i] = str_replace("\n", "\r\n", $msg[$i]); + } - if (!$binary) { - $message = str_replace("\r", '', $message); - $message = str_replace("\n", "\r\n", $message); + $len += strlen($msg[$i]); + } } - $len = strlen($message); if (!$len) { return false; } @@ -2626,7 +2692,32 @@ class rcube_imap_generic } } - if (!$this->putLine($message)) { + foreach ($msg as $msg_part) { + // file pointer + if (is_resource($msg_part)) { + rewind($msg_part); + while (!feof($msg_part) && $this->fp) { + $buffer = fread($msg_part, $chunk_size); + $this->putLine($buffer, false); + } + fclose($msg_part); + } + // string + else { + $size = strlen($msg_part); + + // Break up the data by sending one chunk (up to 512k) at a time. + // This approach reduces our peak memory usage + for ($offset = 0; $offset < $size; $offset += $chunk_size) { + $chunk = substr($msg_part, $offset, $chunk_size); + if (!$this->putLine($chunk, false)) { + return false; + } + } + } + } + + if (!$this->putLine('')) { // \r\n return false; } @@ -2665,94 +2756,23 @@ class rcube_imap_generic */ function appendFromFile($mailbox, $path, $headers=null, $flags = array(), $date = null, $binary = false) { - unset($this->data['APPENDUID']); - - if ($mailbox === null || $mailbox === '') { - return false; - } - // open message file - $in_fp = false; if (file_exists(realpath($path))) { - $in_fp = fopen($path, 'r'); + $fp = fopen($path, 'r'); } - if (!$in_fp) { + if (!$fp) { $this->setError(self::ERROR_UNKNOWN, "Couldn't open $path for reading"); return false; } - $body_separator = "\r\n\r\n"; - $len = filesize($path); - - if (!$len) { - return false; - } - + $message = array(); if ($headers) { - $headers = preg_replace('/[\r\n]+$/', '', $headers); - $len += strlen($headers) + strlen($body_separator); - } - - $binary = $binary && $this->getCapability('BINARY'); - $literal_plus = !$binary && $this->prefs['literal+']; - - // build APPEND command - $key = $this->nextTag(); - $request = "$key APPEND " . $this->escape($mailbox) . ' (' . $this->flagsToStr($flags) . ')'; - if (!empty($date)) { - $request .= ' ' . $this->escape($date); - } - $request .= ' ' . ($binary ? '~' : '') . '{' . $len . ($literal_plus ? '+' : '') . '}'; - - // send APPEND command - if ($this->putLine($request)) { - // Don't wait when LITERAL+ is supported - if (!$literal_plus) { - $line = $this->readReply(); - - if ($line[0] != '+') { - $this->parseResult($line, 'APPEND: '); - return false; - } - } - - // send headers with body separator - if ($headers) { - $this->putLine($headers . $body_separator, false); - } - - // send file - while (!feof($in_fp) && $this->fp) { - $buffer = fgets($in_fp, 4096); - $this->putLine($buffer, false); - } - fclose($in_fp); - - if (!$this->putLine('')) { // \r\n - return false; - } - - // read response - do { - $line = $this->readLine(); - } while (!$this->startsWith($line, $key, true, true)); - - // Clear internal status cache - unset($this->data['STATUS:'.$mailbox]); - - if ($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"); + $message[] = trim($headers, "\r\n") . "\r\n\r\n"; } + $message[] = $fp; - return false; + return $this->append($mailbox, $message, $flags, $date, $binary); } /** @@ -2970,7 +2990,7 @@ class rcube_imap_generic } foreach ($entries as $name => $value) { - $entries[$name] = $this->escape($name) . ' ' . $this->escape($value); + $entries[$name] = $this->escape($name) . ' ' . $this->escape($value, true); } $entries = implode(' ', $entries); @@ -3467,25 +3487,24 @@ class rcube_imap_generic // Parenthesized list case '(': - case '[': $str = substr($str, 1); $result[] = self::tokenizeResponse($str); break; case ')': - case ']': $str = substr($str, 1); return $result; break; - // String atom, number, NIL, *, % + // String atom, number, astring, NIL, *, % default: // empty string if ($str === '' || $str === null) { break 2; } - // excluded chars: SP, CTL, ), [, ] - if (preg_match('/^([^\x00-\x20\x29\x5B\x5D\x7F]+)/', $str, $m)) { + // excluded chars: SP, CTL, ), DEL + // we do not exclude [ and ] (#1489223) + if (preg_match('/^([^\x00-\x20\x29\x7F]+)/', $str, $m)) { $result[] = $m[1] == 'NIL' ? NULL : $m[1]; $str = substr($str, strlen($m[1])); } @@ -3502,7 +3521,7 @@ class rcube_imap_generic if (is_array($element)) { reset($element); - while (list($key, $value) = each($element)) { + foreach ($element as $value) { $string .= ' ' . self::r_implode($value); } } @@ -3638,8 +3657,20 @@ class rcube_imap_generic */ static function strToTime($date) { - // support non-standard "GMTXXXX" literal - $date = preg_replace('/GMT\s*([+-][0-9]+)/', '\\1', $date); + // Clean malformed data + $date = preg_replace( + array( + '/GMT\s*([+-][0-9]+)/', // support non-standard "GMTXXXX" literal + '/[^a-z0-9\x20\x09:+-]/i', // remove any invalid characters + '/\s*(Mon|Tue|Wed|Thu|Fri|Sat|Sun)\s*/i', // remove weekday names + ), + array( + '\\1', + '', + '', + ), $date); + + $date = trim($date); // if date parsing fails, we have a date in non-rfc format // remove token from the end and try again @@ -3664,6 +3695,10 @@ class rcube_imap_generic $this->capability = explode(' ', strtoupper($str)); + if (!empty($this->prefs['disabled_caps'])) { + $this->capability = array_diff($this->capability, $this->prefs['disabled_caps']); + } + if (!isset($this->prefs['literal+']) && in_array('LITERAL+', $this->capability)) { $this->prefs['literal+'] = true; } @@ -3709,9 +3744,10 @@ class rcube_imap_generic /** * Set the value of the debugging flag. * - * @param boolean $debug New value for the debugging flag. + * @param boolean $debug New value for the debugging flag. + * @param callback $handler Logging handler function * - * @since 0.5-stable + * @since 0.5-stable */ function setDebug($debug, $handler = null) { @@ -3722,12 +3758,18 @@ class rcube_imap_generic /** * Write the given debug text to the current debug output handler. * - * @param string $message Debug mesage text. + * @param string $message Debug mesage text. * - * @since 0.5-stable + * @since 0.5-stable */ private function debug($message) { + if (($len = strlen($message)) > self::DEBUG_LINE_LENGTH) { + $diff = $len - self::DEBUG_LINE_LENGTH; + $message = substr($message, 0, self::DEBUG_LINE_LENGTH) + . "... [truncated $diff bytes]"; + } + if ($this->resourceid) { $message = sprintf('[%s] %s', $this->resourceid, $message); } |