| | |
| | | | program/include/rcube_imap_generic.php | |
| | | | | |
| | | | This file is part of the Roundcube Webmail client | |
| | | | Copyright (C) 2005-2010, Roundcube Dev. - Switzerland | |
| | | | Copyright (C) 2005-2010, The Roundcube Dev Team | |
| | | | Licensed under the GNU GPL | |
| | | | | |
| | | | PURPOSE: | |
| | |
| | | { |
| | | $line = ''; |
| | | |
| | | if (!$this->fp) { |
| | | return NULL; |
| | | } |
| | | |
| | | if (!$size) { |
| | | $size = 1024; |
| | | } |
| | | |
| | | do { |
| | | if (feof($this->fp)) { |
| | | if ($this->eof()) { |
| | | return $line ? $line : NULL; |
| | | } |
| | | |
| | | $buffer = fgets($this->fp, $size); |
| | | |
| | | if ($buffer === false) { |
| | | @fclose($this->fp); |
| | | $this->fp = null; |
| | | $this->closeSocket(); |
| | | break; |
| | | } |
| | | if ($this->_debug) { |
| | | $this->debug('S: '. rtrim($buffer)); |
| | | } |
| | | $line .= $buffer; |
| | | } while ($buffer[strlen($buffer)-1] != "\n"); |
| | | } while (substr($buffer, -1) != "\n"); |
| | | |
| | | return $line; |
| | | } |
| | |
| | | { |
| | | $data = ''; |
| | | $len = 0; |
| | | while ($len < $bytes && !feof($this->fp)) |
| | | while ($len < $bytes && !$this->eof()) |
| | | { |
| | | $d = fread($this->fp, $bytes-$len); |
| | | if ($this->_debug) { |
| | |
| | | } else if ($res == 'BAD') { |
| | | $this->errornum = self::ERROR_BAD; |
| | | } else if ($res == 'BYE') { |
| | | @fclose($this->fp); |
| | | $this->fp = null; |
| | | $this->closeSocket(); |
| | | $this->errornum = self::ERROR_BYE; |
| | | } |
| | | |
| | |
| | | return self::ERROR_UNKNOWN; |
| | | } |
| | | |
| | | private function eof() |
| | | { |
| | | if (!is_resource($this->fp)) { |
| | | return true; |
| | | } |
| | | |
| | | // If a connection opened by fsockopen() wasn't closed |
| | | // by the server, feof() will hang. |
| | | $start = microtime(true); |
| | | |
| | | if (feof($this->fp) || |
| | | ($this->prefs['timeout'] && (microtime(true) - $start > $this->prefs['timeout'])) |
| | | ) { |
| | | $this->closeSocket(); |
| | | return true; |
| | | } |
| | | |
| | | return false; |
| | | } |
| | | |
| | | private function closeSocket() |
| | | { |
| | | @fclose($this->fp); |
| | | $this->fp = null; |
| | | } |
| | | |
| | | function setError($code, $msg='') |
| | | { |
| | | $this->errornum = $code; |
| | |
| | | } |
| | | if ($error && preg_match('/^\* (BYE|BAD) /i', $string, $m)) { |
| | | if (strtoupper($m[1]) == 'BYE') { |
| | | @fclose($this->fp); |
| | | $this->fp = null; |
| | | $this->closeSocket(); |
| | | } |
| | | return true; |
| | | } |
| | |
| | | $host = $this->prefs['ssl_mode'] . '://' . $host; |
| | | } |
| | | |
| | | if ($this->prefs['timeout'] <= 0) { |
| | | $this->prefs['timeout'] = ini_get('default_socket_timeout'); |
| | | } |
| | | |
| | | // Connect |
| | | if ($this->prefs['timeout'] > 0) |
| | | $this->fp = @fsockopen($host, $this->prefs['port'], $errno, $errstr, $this->prefs['timeout']); |
| | | else |
| | | $this->fp = @fsockopen($host, $this->prefs['port'], $errno, $errstr); |
| | | $this->fp = @fsockopen($host, $this->prefs['port'], $errno, $errstr, $this->prefs['timeout']); |
| | | |
| | | if (!$this->fp) { |
| | | $this->setError(self::ERROR_BAD, sprintf("Could not connect to %s:%d: %s", $host, $this->prefs['port'], $errstr)); |
| | |
| | | } |
| | | } |
| | | |
| | | // Send ID info |
| | | if (!empty($this->prefs['ident']) && $this->getCapability('ID')) { |
| | | $this->id($this->prefs['ident']); |
| | | } |
| | | |
| | | $auth_methods = array(); |
| | | $result = null; |
| | | |
| | |
| | | else if (!$login_disabled) { |
| | | $auth_methods[] = 'LOGIN'; |
| | | } |
| | | |
| | | // Use best (for security) supported authentication method |
| | | foreach (array('DIGEST-MD5', 'CRAM-MD5', 'CRAM_MD5', 'PLAIN', 'LOGIN') as $auth_method) { |
| | | if (in_array($auth_method, $auth_methods)) { |
| | | break; |
| | | } |
| | | } |
| | | } |
| | | else { |
| | | // Prevent from sending credentials in plain text when connection is not secure |
| | |
| | | return false; |
| | | } |
| | | // replace AUTH with CRAM-MD5 for backward compat. |
| | | $auth_methods[] = $auth_method == 'AUTH' ? 'CRAM-MD5' : $auth_method; |
| | | if ($auth_method == 'AUTH') { |
| | | $auth_method = 'CRAM-MD5'; |
| | | } |
| | | } |
| | | |
| | | // pre-login capabilities can be not complete |
| | | $this->capability_readed = false; |
| | | |
| | | // Authenticate |
| | | foreach ($auth_methods as $method) { |
| | | switch ($method) { |
| | | switch ($auth_method) { |
| | | case 'CRAM_MD5': |
| | | $method = 'CRAM-MD5'; |
| | | $auth_method = 'CRAM-MD5'; |
| | | case 'CRAM-MD5': |
| | | case 'DIGEST-MD5': |
| | | case 'PLAIN': |
| | | $result = $this->authenticate($user, $password, $method); |
| | | $result = $this->authenticate($user, $password, $auth_method); |
| | | break; |
| | | case 'LOGIN': |
| | | $result = $this->login($user, $password); |
| | | break; |
| | | default: |
| | | $this->setError(self::ERROR_BAD, "Configuration error. Unknown auth method: $method"); |
| | | } |
| | | |
| | | if (is_resource($result)) { |
| | | break; |
| | | } |
| | | $this->setError(self::ERROR_BAD, "Configuration error. Unknown auth method: $auth_method"); |
| | | } |
| | | |
| | | // Connected and authenticated |
| | |
| | | $this->readReply(); |
| | | } |
| | | |
| | | @fclose($this->fp); |
| | | $this->fp = false; |
| | | $this->closeSocket(); |
| | | } |
| | | |
| | | /** |
| | |
| | | return false; |
| | | } |
| | | |
| | | /** |
| | | * Executes ID command (RFC2971) |
| | | * |
| | | * @param array $items Client identification information key/value hash |
| | | * |
| | | * @return array Server identification information key/value hash |
| | | * @access public |
| | | * @since 0.6 |
| | | */ |
| | | function id($items=array()) |
| | | { |
| | | if (is_array($items) && !empty($items)) { |
| | | foreach ($items as $key => $value) { |
| | | $args[] = $this->escape($key); |
| | | $args[] = $this->escape($value); |
| | | } |
| | | } |
| | | |
| | | 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); |
| | | $result = null; |
| | | |
| | | for ($i=0, $len=count($items); $i<$len; $i += 2) { |
| | | $result[$items[$i]] = $items[$i+1]; |
| | | } |
| | | |
| | | return $result; |
| | | } |
| | | |
| | | return false; |
| | | } |
| | | |
| | | function sort($mailbox, $field, $add='', $is_uid=FALSE, $encoding = 'US-ASCII') |
| | | { |
| | | $field = strtoupper($field); |
| | |
| | | $result[$id] = ''; |
| | | } |
| | | } else if ($mode == 2) { |
| | | if (preg_match('/\((UID|RFC822\.SIZE) ([0-9]+)/', $line, $matches)) { |
| | | if (preg_match('/(UID|RFC822\.SIZE) ([0-9]+)/', $line, $matches)) { |
| | | $result[$id] = trim($matches[2]); |
| | | } else { |
| | | $result[$id] = 0; |
| | |
| | | // INTERNALDATE "16-Nov-2008 21:08:46 +0100" BODYSTRUCTURE (...) |
| | | // BODY[HEADER.FIELDS ... |
| | | |
| | | if (preg_match('/^\* [0-9]+ FETCH \((.*) BODY/s', $line, $matches)) { |
| | | if (preg_match('/^\* [0-9]+ FETCH \((.*) BODY/sU', $line, $matches)) { |
| | | $str = $matches[1]; |
| | | |
| | | // swap parents with quotes, then explode |
| | |
| | | |
| | | // BODYSTRUCTURE |
| | | if ($bodystr) { |
| | | while (!preg_match('/ BODYSTRUCTURE (.*) BODY\[HEADER.FIELDS/s', $line, $m)) { |
| | | while (!preg_match('/ BODYSTRUCTURE (.*) BODY\[HEADER.FIELDS/sU', $line, $m)) { |
| | | $line2 = $this->readLine(1024); |
| | | $line .= $this->multLine($line2, true); |
| | | } |
| | |
| | | break; |
| | | case 'content-type': |
| | | $ctype_parts = preg_split('/[; ]/', $string); |
| | | $result[$id]->ctype = array_shift($ctype_parts); |
| | | $result[$id]->ctype = strtolower(array_shift($ctype_parts)); |
| | | if (preg_match('/charset\s*=\s*"?([a-z0-9\-\.\_]+)"?/i', $string, $regs)) { |
| | | $result[$id]->charset = $regs[1]; |
| | | } |
| | |
| | | */ |
| | | private function strToTime($date) |
| | | { |
| | | // support non-standard "GMTXXXX" literal |
| | | $date = preg_replace('/GMT\s*([+-][0-9]+)/', '\\1', $date); |
| | | // if date parsing fails, we have a date in non-rfc format. |
| | | // remove token from the end and try again |
| | | while ((($ts = @strtotime($date))===false) || ($ts < 0)) { |
| | | $d = explode(' ', $date); |
| | | array_pop($d); |
| | | if (!$d) { |
| | | break; |
| | | } |
| | | $date = implode(' ', $d); |
| | | } |
| | | |
| | | $ts = (int) $ts; |
| | | |
| | | $ts = (int) rcube_strtotime($date); |
| | | return $ts < 0 ? 0 : $ts; |
| | | } |
| | | |
| | |
| | | else if ($string === '') { |
| | | return '""'; |
| | | } |
| | | // need quoted-string? find special chars: SP, CTL, (, ), {, %, *, ", \, ] |
| | | // plus [ character as a workaround for DBMail's bug (#1487766) |
| | | else if ($force_quotes || |
| | | preg_match('/([\x00-\x20\x28-\x29\x7B\x25\x2A\x22\x5C\x5D\x7F]+)/', $string) |
| | | preg_match('/([\x00-\x20\x28-\x29\x7B\x25\x2A\x22\x5B\x5C\x5D\x7F]+)/', $string) |
| | | ) { |
| | | // string: special chars: SP, CTL, (, ), {, %, *, ", \, ] |
| | | return '"' . strtr($string, array('"'=>'\\"', '\\' => '\\\\')) . '"'; |
| | | return '"' . addcslashes($string, '\\"') . '"'; |
| | | } |
| | | |
| | | // atom |
| | |
| | | |
| | | static function unEscape($string) |
| | | { |
| | | return strtr($string, array('\\"'=>'"', '\\\\' => '\\')); |
| | | return stripslashes($string); |
| | | } |
| | | |
| | | /** |