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