| | |
| | | { |
| | | $line = ''; |
| | | |
| | | if (!$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'], $errstr)); |
| | |
| | | else if (!$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(); |
| | | } |
| | | |
| | | /** |
| | |
| | | $result[$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; |
| | |
| | | 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); |
| | | } |
| | | |
| | | /** |