class_smtp.php
上传用户:gzy2002
上传日期:2010-02-11
资源大小:1785k
文件大小:9k
- <?php
- /***************************************
- ** Filename.......: class.smtp.inc
- ** Project........: SMTP Class
- ** Version........: 1.0.5
- ** Last Modified..: 21 December 2001
- ***************************************/
- define('SMTP_STATUS_NOT_CONNECTED', 1, TRUE);
- define('SMTP_STATUS_CONNECTED', 2, TRUE);
- class smtp{
- var $authenticated;
- var $connection;
- var $recipients;
- var $headers;
- var $timeout;
- var $errors;
- var $status;
- var $body;
- var $from;
- var $host;
- var $port;
- var $helo;
- var $auth;
- var $user;
- var $pass;
- /***************************************
- ** Constructor function. Arguments:
- ** $params - An assoc array of parameters:
- **
- ** host - The hostname of the smtp server Default: localhost
- ** port - The port the smtp server runs on Default: 25
- ** helo - What to send as the HELO command Default: localhost
- ** (typically the hostname of the
- ** machine this script runs on)
- ** auth - Whether to use basic authentication Default: FALSE
- ** user - Username for authentication Default: <blank>
- ** pass - Password for authentication Default: <blank>
- ** timeout - The timeout in seconds for the call Default: 5
- ** to fsockopen()
- ***************************************/
- function smtp($params = array()){
- if(!defined('CRLF'))
- define('CRLF', "rn", TRUE);
- $this->authenticated = FALSE;
- $this->timeout = 5;
- $this->status = SMTP_STATUS_NOT_CONNECTED;
- $this->host = 'localhost';
- $this->port = 25;
- $this->helo = 'localhost';
- $this->auth = FALSE;
- $this->user = '';
- $this->pass = '';
- $this->errors = array();
- foreach($params as $key => $value){
- $this->$key = $value;
- }
- }
- /***************************************
- ** Connect function. This will, when called
- ** statically, create a new smtp object,
- ** call the connect function (ie this function)
- ** and return it. When not called statically,
- ** it will connect to the server and send
- ** the HELO command.
- ***************************************/
- function &connect($params = array()){
- if(!isset($this->status)){
- $obj = new smtp($params);
- if($obj->connect()){
- $obj->status = SMTP_STATUS_CONNECTED;
- }
- return $obj;
- }else{
- @$this->connection = fsockopen($this->host, $this->port, $errno, $errstr, $this->timeout);
- if(function_exists('socket_set_timeout')){
- @socket_set_timeout($this->connection, 5, 0);
- }
- $greeting = $this->get_data();
- if(is_resource($this->connection)){
- return $this->auth ? $this->ehlo() : $this->helo();
- }else{
- $this->errors[] = 'Failed to connect to server: '.$errstr;
- return FALSE;
- }
- }
- }
- /***************************************
- ** Function which handles sending the mail.
- ** Arguments:
- ** $params - Optional assoc array of parameters.
- ** Can contain:
- ** recipients - Indexed array of recipients
- ** from - The from address. (used in MAIL FROM:),
- ** this will be the return path
- ** headers - Indexed array of headers, one header per array entry
- ** body - The body of the email
- ** It can also contain any of the parameters from the connect()
- ** function
- ***************************************/
- function send($params = array()){
- foreach($params as $key => $value){
- $this->set($key, $value);
- }
- if($this->is_connected()){
- // Do we auth or not? Note the distinction between the auth variable and auth() function
- if($this->auth AND !$this->authenticated){
- if(!$this->auth())
- return FALSE;
- }
- $this->mail($this->from);
- if(is_array($this->recipients))
- foreach($this->recipients as $value)
- $this->rcpt($value);
- else
- $this->rcpt($this->recipients);
- if(!$this->data())
- return FALSE;
- // Transparency
- $headers = str_replace(CRLF.'.', CRLF.'..', trim(implode(CRLF, $this->headers)));
- $body = str_replace(CRLF.'.', CRLF.'..', $this->body);
- $body = $body[0] == '.' ? '.'.$body : $body;
- $this->send_data($headers);
- $this->send_data('');
- $this->send_data($body);
- $this->send_data('.');
- $result = (substr(trim($this->get_data()), 0, 3) === '250');
- //$this->rset();
- return $result;
- }else{
- $this->errors[] = 'Not connected!';
- return FALSE;
- }
- }
-
- /***************************************
- ** Function to implement HELO cmd
- ***************************************/
- function helo(){
- if(is_resource($this->connection)
- AND $this->send_data('HELO '.$this->helo)
- AND substr(trim($error = $this->get_data()), 0, 3) === '250' ){
- return TRUE;
- }else{
- $this->errors[] = 'HELO command failed, output: ' . trim(substr(trim($error),3));
- return FALSE;
- }
- }
-
- /***************************************
- ** Function to implement EHLO cmd
- ***************************************/
- function ehlo(){
- if(is_resource($this->connection)
- AND $this->send_data('EHLO '.$this->helo)
- AND substr(trim($error = $this->get_data()), 0, 3) === '250' ){
- return TRUE;
- }else{
- $this->errors[] = 'EHLO command failed, output: ' . trim(substr(trim($error),3));
- return FALSE;
- }
- }
-
- /***************************************
- ** Function to implement RSET cmd
- ***************************************/
- function rset(){
- if(is_resource($this->connection)
- AND $this->send_data('RSET')
- AND substr(trim($error = $this->get_data()), 0, 3) === '250' ){
- return TRUE;
- }else{
- $this->errors[] = 'RSET command failed, output: ' . trim(substr(trim($error),3));
- return FALSE;
- }
- }
-
- /***************************************
- ** Function to implement QUIT cmd
- ***************************************/
- function quit(){
- if(is_resource($this->connection)
- AND $this->send_data('QUIT')
- AND substr(trim($error = $this->get_data()), 0, 3) === '221' ){
- fclose($this->connection);
- $this->status = SMTP_STATUS_NOT_CONNECTED;
- return TRUE;
- }else{
- $this->errors[] = 'QUIT command failed, output: ' . trim(substr(trim($error),3));
- return FALSE;
- }
- }
-
- /***************************************
- ** Function to implement AUTH cmd
- ***************************************/
- function auth(){
- if(is_resource($this->connection)
- AND $this->send_data('AUTH LOGIN')
- AND substr(trim($error = $this->get_data()), 0, 3) === '334'
- AND $this->send_data(base64_encode($this->user)) // Send username
- AND substr(trim($error = $this->get_data()),0,3) === '334'
- AND $this->send_data(base64_encode($this->pass)) // Send password
- AND substr(trim($error = $this->get_data()),0,3) === '235' ){
- $this->authenticated = TRUE;
- return TRUE;
- }else{
- $this->errors[] = 'AUTH command failed: ' . trim(substr(trim($error),3));
- return FALSE;
- }
- }
- /***************************************
- ** Function that handles the MAIL FROM: cmd
- ***************************************/
-
- function mail($from){
- if($this->is_connected()
- AND $this->send_data('MAIL FROM:<'.$from.'>')
- AND substr(trim($this->get_data()), 0, 2) === '250' ){
- return TRUE;
- }else
- return FALSE;
- }
- /***************************************
- ** Function that handles the RCPT TO: cmd
- ***************************************/
-
- function rcpt($to){
- if($this->is_connected()
- AND $this->send_data('RCPT TO:<'.$to.'>')
- AND substr(trim($error = $this->get_data()), 0, 2) === '25' ){
- return TRUE;
- }else{
- $this->errors[] = trim(substr(trim($error), 3));
- return FALSE;
- }
- }
- /***************************************
- ** Function that sends the DATA cmd
- ***************************************/
- function data(){
- if($this->is_connected()
- AND $this->send_data('DATA')
- AND substr(trim($error = $this->get_data()), 0, 3) === '354' ){
-
- return TRUE;
- }else{
- $this->errors[] = trim(substr(trim($error), 3));
- return FALSE;
- }
- }
- /***************************************
- ** Function to determine if this object
- ** is connected to the server or not.
- ***************************************/
- function is_connected(){
- return (is_resource($this->connection) AND ($this->status === SMTP_STATUS_CONNECTED));
- }
- /***************************************
- ** Function to send a bit of data
- ***************************************/
- function send_data($data){
- if(is_resource($this->connection)){
- return fwrite($this->connection, $data.CRLF, strlen($data)+2);
-
- }else
- return FALSE;
- }
- /***************************************
- ** Function to get data.
- ***************************************/
- function &get_data(){
- $return = '';
- $line = '';
- $loops = 0;
- if(is_resource($this->connection)){
- while((strpos($return, CRLF) === FALSE OR substr($line,3,1) !== ' ') AND $loops < 100){
- $line = fgets($this->connection, 512);
- $return .= $line;
- $loops++;
- }
- return $return;
- }else
- return FALSE;
- }
- /***************************************
- ** Sets a variable
- ***************************************/
-
- function set($var, $value){
- $this->$var = $value;
- return TRUE;
- }
- } // End of class
- ?>