X-Git-Url: https://git.rvb.name/openlib.git/blobdiff_plain/a47401f5fac121db5eb44214530121ab14cba2f3..6b3a07a008979ee27733a2deae2ff4fc42f4a535:/www/resources/PHPMailer/class.smtp.php diff --git a/www/resources/PHPMailer/class.smtp.php b/www/resources/PHPMailer/class.smtp.php new file mode 100644 index 0000000..8444eb8 --- /dev/null +++ b/www/resources/PHPMailer/class.smtp.php @@ -0,0 +1,1088 @@ +Debugoutput == 'error_log') { + error_log($str); + } else { + echo $str; + } + } + + /** + * Initialize the class so that the data is in a known state. + * @access public + * @return SMTP + */ + public function __construct() { + $this->smtp_conn = 0; + $this->error = null; + $this->helo_rply = null; + + $this->do_debug = 0; + } + + ///////////////////////////////////////////////// + // CONNECTION FUNCTIONS + ///////////////////////////////////////////////// + + /** + * Connect to the server specified on the port specified. + * If the port is not specified use the default SMTP_PORT. + * If tval is specified then a connection will try and be + * established with the server for that number of seconds. + * If tval is not specified the default is 30 seconds to + * try on the connection. + * + * SMTP CODE SUCCESS: 220 + * SMTP CODE FAILURE: 421 + * @access public + * @param string $host + * @param int $port + * @param int $tval + * @return bool + */ + public function Connect($host, $port = 0, $tval = 30) { + // set the error val to null so there is no confusion + $this->error = null; + + // make sure we are __not__ connected + if($this->connected()) { + // already connected, generate error + $this->error = array('error' => 'Already connected to a server'); + return false; + } + + if(empty($port)) { + $port = $this->SMTP_PORT; + } + + // connect to the smtp server + $this->smtp_conn = @fsockopen($host, // the host of the server + $port, // the port to use + $errno, // error number if any + $errstr, // error message if any + $tval); // give up after ? secs + // verify we connected properly + if(empty($this->smtp_conn)) { + $this->error = array('error' => 'Failed to connect to server', + 'errno' => $errno, + 'errstr' => $errstr); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $this->error['error'] . ": $errstr ($errno)" . $this->CRLF . '
'); + } + return false; + } + + // SMTP server can take longer to respond, give longer timeout for first read + // Windows does not have support for this timeout function + if(substr(PHP_OS, 0, 3) != 'WIN') { + $max = ini_get('max_execution_time'); + if ($max != 0 && $tval > $max) { // don't bother if unlimited + @set_time_limit($tval); + } + stream_set_timeout($this->smtp_conn, $tval, 0); + } + + // get any announcement + $announce = $this->get_lines(); + + if($this->do_debug >= 2) { + $this->edebug('SMTP -> FROM SERVER:' . $announce . $this->CRLF . '
'); + } + + return true; + } + + /** + * Initiate a TLS communication with the server. + * + * SMTP CODE 220 Ready to start TLS + * SMTP CODE 501 Syntax error (no parameters allowed) + * SMTP CODE 454 TLS not available due to temporary reason + * @access public + * @return bool success + */ + public function StartTLS() { + $this->error = null; # to avoid confusion + + if(!$this->connected()) { + $this->error = array('error' => 'Called StartTLS() without being connected'); + return false; + } + + $this->client_send('STARTTLS' . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply, 0, 3); + + if($this->do_debug >= 2) { + $this->edebug('SMTP -> FROM SERVER:' . $rply . $this->CRLF . '
'); + } + + if($code != 220) { + $this->error = + array('error' => 'STARTTLS not accepted from server', + 'smtp_code' => $code, + 'smtp_msg' => substr($rply, 4)); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $this->error['error'] . ': ' . $rply . $this->CRLF . '
'); + } + return false; + } + + // Begin encrypted connection + if(!stream_socket_enable_crypto($this->smtp_conn, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) { + return false; + } + + return true; + } + + /** + * Performs SMTP authentication. Must be run after running the + * Hello() method. Returns true if successfully authenticated. + * @access public + * @param string $username + * @param string $password + * @param string $authtype + * @param string $realm + * @param string $workstation + * @return bool + */ + public function Authenticate($username, $password, $authtype='LOGIN', $realm='', $workstation='') { + if (empty($authtype)) { + $authtype = 'LOGIN'; + } + + switch ($authtype) { + case 'PLAIN': + // Start authentication + $this->client_send('AUTH PLAIN' . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply, 0, 3); + + if($code != 334) { + $this->error = + array('error' => 'AUTH not accepted from server', + 'smtp_code' => $code, + 'smtp_msg' => substr($rply, 4)); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $this->error['error'] . ': ' . $rply . $this->CRLF . '
'); + } + return false; + } + // Send encoded username and password + $this->client_send(base64_encode("\0".$username."\0".$password) . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply, 0, 3); + + if($code != 235) { + $this->error = + array('error' => 'Authentication not accepted from server', + 'smtp_code' => $code, + 'smtp_msg' => substr($rply, 4)); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $this->error['error'] . ': ' . $rply . $this->CRLF . '
'); + } + return false; + } + break; + case 'LOGIN': + // Start authentication + $this->client_send('AUTH LOGIN' . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply, 0, 3); + + if($code != 334) { + $this->error = + array('error' => 'AUTH not accepted from server', + 'smtp_code' => $code, + 'smtp_msg' => substr($rply, 4)); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $this->error['error'] . ': ' . $rply . $this->CRLF . '
'); + } + return false; + } + + // Send encoded username + $this->client_send(base64_encode($username) . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply, 0, 3); + + if($code != 334) { + $this->error = + array('error' => 'Username not accepted from server', + 'smtp_code' => $code, + 'smtp_msg' => substr($rply, 4)); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $this->error['error'] . ': ' . $rply . $this->CRLF . '
'); + } + return false; + } + + // Send encoded password + $this->client_send(base64_encode($password) . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply, 0, 3); + + if($code != 235) { + $this->error = + array('error' => 'Password not accepted from server', + 'smtp_code' => $code, + 'smtp_msg' => substr($rply, 4)); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $this->error['error'] . ': ' . $rply . $this->CRLF . '
'); + } + return false; + } + break; + case 'NTLM': + /* + * ntlm_sasl_client.php + ** Bundled with Permission + ** + ** How to telnet in windows: http://technet.microsoft.com/en-us/library/aa995718%28EXCHG.65%29.aspx + ** PROTOCOL Documentation http://curl.haxx.se/rfc/ntlm.html#ntlmSmtpAuthentication + */ + require_once 'extras/ntlm_sasl_client.php'; + $temp = new stdClass(); + $ntlm_client = new ntlm_sasl_client_class; + if(! $ntlm_client->Initialize($temp)){//let's test if every function its available + $this->error = array('error' => $temp->error); + if($this->do_debug >= 1) { + $this->edebug('You need to enable some modules in your php.ini file: ' . $this->error['error'] . $this->CRLF); + } + return false; + } + $msg1 = $ntlm_client->TypeMsg1($realm, $workstation);//msg1 + + $this->client_send('AUTH NTLM ' . base64_encode($msg1) . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply, 0, 3); + + + if($code != 334) { + $this->error = + array('error' => 'AUTH not accepted from server', + 'smtp_code' => $code, + 'smtp_msg' => substr($rply, 4)); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $this->error['error'] . ': ' . $rply . $this->CRLF); + } + return false; + } + + $challenge = substr($rply, 3);//though 0 based, there is a white space after the 3 digit number....//msg2 + $challenge = base64_decode($challenge); + $ntlm_res = $ntlm_client->NTLMResponse(substr($challenge, 24, 8), $password); + $msg3 = $ntlm_client->TypeMsg3($ntlm_res, $username, $realm, $workstation);//msg3 + // Send encoded username + $this->client_send(base64_encode($msg3) . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply, 0, 3); + + if($code != 235) { + $this->error = + array('error' => 'Could not authenticate', + 'smtp_code' => $code, + 'smtp_msg' => substr($rply, 4)); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $this->error['error'] . ': ' . $rply . $this->CRLF); + } + return false; + } + break; + case 'CRAM-MD5': + // Start authentication + $this->client_send('AUTH CRAM-MD5' . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply, 0, 3); + + if($code != 334) { + $this->error = + array('error' => 'AUTH not accepted from server', + 'smtp_code' => $code, + 'smtp_msg' => substr($rply, 4)); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $this->error['error'] . ': ' . $rply . $this->CRLF . '
'); + } + return false; + } + + // Get the challenge + $challenge = base64_decode(substr($rply, 4)); + + // Build the response + $response = $username . ' ' . $this->hmac($challenge, $password); + + // Send encoded credentials + $this->client_send(base64_encode($response) . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply, 0, 3); + + if($code != 334) { + $this->error = + array('error' => 'Credentials not accepted from server', + 'smtp_code' => $code, + 'smtp_msg' => substr($rply, 4)); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $this->error['error'] . ': ' . $rply . $this->CRLF . '
'); + } + return false; + } + break; + } + return true; + } + + /** + * Works like hash_hmac('md5', $data, $key) in case that function is not available + * @access private + * @param string $data + * @param string $key + * @return string + */ + private function hmac($data, $key) { + if (function_exists('hash_hmac')) { + return hash_hmac('md5', $data, $key); + } + + // The following borrowed from http://php.net/manual/en/function.mhash.php#27225 + + // RFC 2104 HMAC implementation for php. + // Creates an md5 HMAC. + // Eliminates the need to install mhash to compute a HMAC + // Hacked by Lance Rushing + + $b = 64; // byte length for md5 + if (strlen($key) > $b) { + $key = pack('H*', md5($key)); + } + $key = str_pad($key, $b, chr(0x00)); + $ipad = str_pad('', $b, chr(0x36)); + $opad = str_pad('', $b, chr(0x5c)); + $k_ipad = $key ^ $ipad ; + $k_opad = $key ^ $opad; + + return md5($k_opad . pack('H*', md5($k_ipad . $data))); + } + + /** + * Returns true if connected to a server otherwise false + * @access public + * @return bool + */ + public function Connected() { + if(!empty($this->smtp_conn)) { + $sock_status = stream_get_meta_data($this->smtp_conn); + if($sock_status['eof']) { + // the socket is valid but we are not connected + if($this->do_debug >= 1) { + $this->edebug('SMTP -> NOTICE:' . $this->CRLF . 'EOF caught while checking if connected'); + } + $this->Close(); + return false; + } + return true; // everything looks good + } + return false; + } + + /** + * Closes the socket and cleans up the state of the class. + * It is not considered good to use this function without + * first trying to use QUIT. + * @access public + * @return void + */ + public function Close() { + $this->error = null; // so there is no confusion + $this->helo_rply = null; + if(!empty($this->smtp_conn)) { + // close the connection and cleanup + fclose($this->smtp_conn); + $this->smtp_conn = 0; + } + } + + ///////////////////////////////////////////////// + // SMTP COMMANDS + ///////////////////////////////////////////////// + + /** + * Issues a data command and sends the msg_data to the server + * finializing the mail transaction. $msg_data is the message + * that is to be send with the headers. Each header needs to be + * on a single line followed by a with the message headers + * and the message body being seperated by and additional . + * + * Implements rfc 821: DATA + * + * SMTP CODE INTERMEDIATE: 354 + * [data] + * . + * SMTP CODE SUCCESS: 250 + * SMTP CODE FAILURE: 552, 554, 451, 452 + * SMTP CODE FAILURE: 451, 554 + * SMTP CODE ERROR : 500, 501, 503, 421 + * @access public + * @param string $msg_data + * @return bool + */ + public function Data($msg_data) { + $this->error = null; // so no confusion is caused + + if(!$this->connected()) { + $this->error = array( + 'error' => 'Called Data() without being connected'); + return false; + } + + $this->client_send('DATA' . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply, 0, 3); + + if($this->do_debug >= 2) { + $this->edebug('SMTP -> FROM SERVER:' . $rply . $this->CRLF . '
'); + } + + if($code != 354) { + $this->error = + array('error' => 'DATA command not accepted from server', + 'smtp_code' => $code, + 'smtp_msg' => substr($rply, 4)); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $this->error['error'] . ': ' . $rply . $this->CRLF . '
'); + } + return false; + } + + /* the server is ready to accept data! + * according to rfc 821 we should not send more than 1000 + * including the CRLF + * characters on a single line so we will break the data up + * into lines by \r and/or \n then if needed we will break + * each of those into smaller lines to fit within the limit. + * in addition we will be looking for lines that start with + * a period '.' and append and additional period '.' to that + * line. NOTE: this does not count towards limit. + */ + + // normalize the line breaks so we know the explode works + $msg_data = str_replace("\r\n", "\n", $msg_data); + $msg_data = str_replace("\r", "\n", $msg_data); + $lines = explode("\n", $msg_data); + + /* we need to find a good way to determine is headers are + * in the msg_data or if it is a straight msg body + * currently I am assuming rfc 822 definitions of msg headers + * and if the first field of the first line (':' sperated) + * does not contain a space then it _should_ be a header + * and we can process all lines before a blank "" line as + * headers. + */ + + $field = substr($lines[0], 0, strpos($lines[0], ':')); + $in_headers = false; + if(!empty($field) && !strstr($field, ' ')) { + $in_headers = true; + } + + $max_line_length = 998; // used below; set here for ease in change + + while(list(, $line) = @each($lines)) { + $lines_out = null; + if($line == '' && $in_headers) { + $in_headers = false; + } + // ok we need to break this line up into several smaller lines + while(strlen($line) > $max_line_length) { + $pos = strrpos(substr($line, 0, $max_line_length), ' '); + + // Patch to fix DOS attack + if(!$pos) { + $pos = $max_line_length - 1; + $lines_out[] = substr($line, 0, $pos); + $line = substr($line, $pos); + } else { + $lines_out[] = substr($line, 0, $pos); + $line = substr($line, $pos + 1); + } + + /* if processing headers add a LWSP-char to the front of new line + * rfc 822 on long msg headers + */ + if($in_headers) { + $line = "\t" . $line; + } + } + $lines_out[] = $line; + + // send the lines to the server + while(list(, $line_out) = @each($lines_out)) { + if(strlen($line_out) > 0) + { + if(substr($line_out, 0, 1) == '.') { + $line_out = '.' . $line_out; + } + } + $this->client_send($line_out . $this->CRLF); + } + } + + // message data has been sent + $this->client_send($this->CRLF . '.' . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply, 0, 3); + + if($this->do_debug >= 2) { + $this->edebug('SMTP -> FROM SERVER:' . $rply . $this->CRLF . '
'); + } + + if($code != 250) { + $this->error = + array('error' => 'DATA not accepted from server', + 'smtp_code' => $code, + 'smtp_msg' => substr($rply, 4)); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $this->error['error'] . ': ' . $rply . $this->CRLF . '
'); + } + return false; + } + return true; + } + + /** + * Sends the HELO command to the smtp server. + * This makes sure that we and the server are in + * the same known state. + * + * Implements from rfc 821: HELO + * + * SMTP CODE SUCCESS: 250 + * SMTP CODE ERROR : 500, 501, 504, 421 + * @access public + * @param string $host + * @return bool + */ + public function Hello($host = '') { + $this->error = null; // so no confusion is caused + + if(!$this->connected()) { + $this->error = array( + 'error' => 'Called Hello() without being connected'); + return false; + } + + // if hostname for HELO was not specified send default + if(empty($host)) { + // determine appropriate default to send to server + $host = 'localhost'; + } + + // Send extended hello first (RFC 2821) + if(!$this->SendHello('EHLO', $host)) { + if(!$this->SendHello('HELO', $host)) { + return false; + } + } + + return true; + } + + /** + * Sends a HELO/EHLO command. + * @access private + * @param string $hello + * @param string $host + * @return bool + */ + private function SendHello($hello, $host) { + $this->client_send($hello . ' ' . $host . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply, 0, 3); + + if($this->do_debug >= 2) { + $this->edebug('SMTP -> FROM SERVER: ' . $rply . $this->CRLF . '
'); + } + + if($code != 250) { + $this->error = + array('error' => $hello . ' not accepted from server', + 'smtp_code' => $code, + 'smtp_msg' => substr($rply, 4)); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $this->error['error'] . ': ' . $rply . $this->CRLF . '
'); + } + return false; + } + + $this->helo_rply = $rply; + + return true; + } + + /** + * Starts a mail transaction from the email address specified in + * $from. Returns true if successful or false otherwise. If True + * the mail transaction is started and then one or more Recipient + * commands may be called followed by a Data command. + * + * Implements rfc 821: MAIL FROM: + * + * SMTP CODE SUCCESS: 250 + * SMTP CODE SUCCESS: 552, 451, 452 + * SMTP CODE SUCCESS: 500, 501, 421 + * @access public + * @param string $from + * @return bool + */ + public function Mail($from) { + $this->error = null; // so no confusion is caused + + if(!$this->connected()) { + $this->error = array( + 'error' => 'Called Mail() without being connected'); + return false; + } + + $useVerp = ($this->do_verp ? ' XVERP' : ''); + $this->client_send('MAIL FROM:<' . $from . '>' . $useVerp . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply, 0, 3); + + if($this->do_debug >= 2) { + $this->edebug('SMTP -> FROM SERVER:' . $rply . $this->CRLF . '
'); + } + + if($code != 250) { + $this->error = + array('error' => 'MAIL not accepted from server', + 'smtp_code' => $code, + 'smtp_msg' => substr($rply, 4)); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $this->error['error'] . ': ' . $rply . $this->CRLF . '
'); + } + return false; + } + return true; + } + + /** + * Sends the quit command to the server and then closes the socket + * if there is no error or the $close_on_error argument is true. + * + * Implements from rfc 821: QUIT + * + * SMTP CODE SUCCESS: 221 + * SMTP CODE ERROR : 500 + * @access public + * @param bool $close_on_error + * @return bool + */ + public function Quit($close_on_error = true) { + $this->error = null; // so there is no confusion + + if(!$this->connected()) { + $this->error = array( + 'error' => 'Called Quit() without being connected'); + return false; + } + + // send the quit command to the server + $this->client_send('quit' . $this->CRLF); + + // get any good-bye messages + $byemsg = $this->get_lines(); + + if($this->do_debug >= 2) { + $this->edebug('SMTP -> FROM SERVER:' . $byemsg . $this->CRLF . '
'); + } + + $rval = true; + $e = null; + + $code = substr($byemsg, 0, 3); + if($code != 221) { + // use e as a tmp var cause Close will overwrite $this->error + $e = array('error' => 'SMTP server rejected quit command', + 'smtp_code' => $code, + 'smtp_rply' => substr($byemsg, 4)); + $rval = false; + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $e['error'] . ': ' . $byemsg . $this->CRLF . '
'); + } + } + + if(empty($e) || $close_on_error) { + $this->Close(); + } + + return $rval; + } + + /** + * Sends the command RCPT to the SMTP server with the TO: argument of $to. + * Returns true if the recipient was accepted false if it was rejected. + * + * Implements from rfc 821: RCPT TO: + * + * SMTP CODE SUCCESS: 250, 251 + * SMTP CODE FAILURE: 550, 551, 552, 553, 450, 451, 452 + * SMTP CODE ERROR : 500, 501, 503, 421 + * @access public + * @param string $to + * @return bool + */ + public function Recipient($to) { + $this->error = null; // so no confusion is caused + + if(!$this->connected()) { + $this->error = array( + 'error' => 'Called Recipient() without being connected'); + return false; + } + + $this->client_send('RCPT TO:<' . $to . '>' . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply, 0, 3); + + if($this->do_debug >= 2) { + $this->edebug('SMTP -> FROM SERVER:' . $rply . $this->CRLF . '
'); + } + + if($code != 250 && $code != 251) { + $this->error = + array('error' => 'RCPT not accepted from server', + 'smtp_code' => $code, + 'smtp_msg' => substr($rply, 4)); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $this->error['error'] . ': ' . $rply . $this->CRLF . '
'); + } + return false; + } + return true; + } + + /** + * Sends the RSET command to abort and transaction that is + * currently in progress. Returns true if successful false + * otherwise. + * + * Implements rfc 821: RSET + * + * SMTP CODE SUCCESS: 250 + * SMTP CODE ERROR : 500, 501, 504, 421 + * @access public + * @return bool + */ + public function Reset() { + $this->error = null; // so no confusion is caused + + if(!$this->connected()) { + $this->error = array('error' => 'Called Reset() without being connected'); + return false; + } + + $this->client_send('RSET' . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply, 0, 3); + + if($this->do_debug >= 2) { + $this->edebug('SMTP -> FROM SERVER:' . $rply . $this->CRLF . '
'); + } + + if($code != 250) { + $this->error = + array('error' => 'RSET failed', + 'smtp_code' => $code, + 'smtp_msg' => substr($rply, 4)); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $this->error['error'] . ': ' . $rply . $this->CRLF . '
'); + } + return false; + } + + return true; + } + + /** + * Starts a mail transaction from the email address specified in + * $from. Returns true if successful or false otherwise. If True + * the mail transaction is started and then one or more Recipient + * commands may be called followed by a Data command. This command + * will send the message to the users terminal if they are logged + * in and send them an email. + * + * Implements rfc 821: SAML FROM: + * + * SMTP CODE SUCCESS: 250 + * SMTP CODE SUCCESS: 552, 451, 452 + * SMTP CODE SUCCESS: 500, 501, 502, 421 + * @access public + * @param string $from + * @return bool + */ + public function SendAndMail($from) { + $this->error = null; // so no confusion is caused + + if(!$this->connected()) { + $this->error = array( + 'error' => 'Called SendAndMail() without being connected'); + return false; + } + + $this->client_send('SAML FROM:' . $from . $this->CRLF); + + $rply = $this->get_lines(); + $code = substr($rply, 0, 3); + + if($this->do_debug >= 2) { + $this->edebug('SMTP -> FROM SERVER:' . $rply . $this->CRLF . '
'); + } + + if($code != 250) { + $this->error = + array('error' => 'SAML not accepted from server', + 'smtp_code' => $code, + 'smtp_msg' => substr($rply, 4)); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> ERROR: ' . $this->error['error'] . ': ' . $rply . $this->CRLF . '
'); + } + return false; + } + return true; + } + + /** + * This is an optional command for SMTP that this class does not + * support. This method is here to make the RFC821 Definition + * complete for this class and __may__ be implimented in the future + * + * Implements from rfc 821: TURN + * + * SMTP CODE SUCCESS: 250 + * SMTP CODE FAILURE: 502 + * SMTP CODE ERROR : 500, 503 + * @access public + * @return bool + */ + public function Turn() { + $this->error = array('error' => 'This method, TURN, of the SMTP '. + 'is not implemented'); + if($this->do_debug >= 1) { + $this->edebug('SMTP -> NOTICE: ' . $this->error['error'] . $this->CRLF . '
'); + } + return false; + } + + /** + * Sends data to the server + * @param string $data + * @access public + * @return Integer number of bytes sent to the server or FALSE on error + */ + public function client_send($data) { + if ($this->do_debug >= 1) { + $this->edebug("CLIENT -> SMTP: $data" . $this->CRLF . '
'); + } + return fwrite($this->smtp_conn, $data); + } + + /** + * Get the current error + * @access public + * @return array + */ + public function getError() { + return $this->error; + } + + ///////////////////////////////////////////////// + // INTERNAL FUNCTIONS + ///////////////////////////////////////////////// + + /** + * Read in as many lines as possible + * either before eof or socket timeout occurs on the operation. + * With SMTP we can tell if we have more lines to read if the + * 4th character is '-' symbol. If it is a space then we don't + * need to read anything else. + * @access private + * @return string + */ + private function get_lines() { + $data = ''; + $endtime = 0; + /* If for some reason the fp is bad, don't inf loop */ + if (!is_resource($this->smtp_conn)) { + return $data; + } + stream_set_timeout($this->smtp_conn, $this->Timeout); + if ($this->Timelimit > 0) { + $endtime = time() + $this->Timelimit; + } + while(is_resource($this->smtp_conn) && !feof($this->smtp_conn)) { + $str = @fgets($this->smtp_conn, 515); + if($this->do_debug >= 4) { + $this->edebug("SMTP -> get_lines(): \$data was \"$data\"" . $this->CRLF . '
'); + $this->edebug("SMTP -> get_lines(): \$str is \"$str\"" . $this->CRLF . '
'); + } + $data .= $str; + if($this->do_debug >= 4) { + $this->edebug("SMTP -> get_lines(): \$data is \"$data\"" . $this->CRLF . '
'); + } + // if 4th character is a space, we are done reading, break the loop + if(substr($str, 3, 1) == ' ') { break; } + // Timed-out? Log and break + $info = stream_get_meta_data($this->smtp_conn); + if ($info['timed_out']) { + if($this->do_debug >= 4) { + $this->edebug('SMTP -> get_lines(): timed-out (' . $this->Timeout . ' seconds)
'); + } + break; + } + // Now check if reads took too long + if ($endtime) { + if (time() > $endtime) { + if($this->do_debug >= 4) { + $this->edebug('SMTP -> get_lines(): timelimit reached (' . $this->Timelimit . ' seconds)
'); + } + break; + } + } + } + return $data; + } + +}