smtp.class.php
define('SMTP_STATUS_NOT_CONNECTED', 1, TRUE);
define('SMTP_STATUS_CONNECTED', 2, TRUE);
class smtp
{
var $connection;
var $recipients;
var $headers;
var $超时;
var $errors;
var $status;
var $body;
var $from;
var $host;
var $port;
var $helo;
var $auth;
var $user;
var $pass;
var $debug;
/**
* 参数为一个数组
* host SMTP 服务器的主机 默认:localhost
* port SMTP 服务器的端口 默认:25
* helo 发送HELO命令的名称 默认:localhost
* user SMTP 服务器的用户名 默认:空值
* pass SMTP 服务器的登陆密码 默认:空值
* timeout 连接超时的时间 默认:5
* @return bool
*/
函数 smtp($params = array())
{
if(!define('CRLF'))定义('CRLF',“
n”,真);
$this->超时 = 5;
$this->status = SMTP_STATUS_NOT_CONNECTED;
$this->host = ‘localhost’;
$this->端口 = 25;
$this->auth = FALSE;
$this->用户=”;
$this->pass = ”;
$this->errors = array();
$this->debug = false;
foreach($params as $key => $value)
{
$this->$key = $value;
}
$this->helo = $this->host;
//如果没有设置用户名则不验证
$this->auth = (” == $this->user) ? 假:真;
}
函数 connect($params = array())
{
if(!isset($this->status))
{
$obj = 新 smtp($params);
if($obj->connect())
{
$obj->status = SMTP_STATUS_CONNECTED;
}
返回 $obj;
}
else
{
$this->connection = fsockopen($this->host, $this->port, $errno, $errstr, $this->超时);
socket_set_timeout($this->连接, 0, 250000);
$greeting = $this->get_data();
if(is_resource($this->连接))
{
$this->status = 2;
返回$this->auth? $this->ehlo():$this->helo();
}
else
{
$this->errors[] = '无法连接到服务器:'.$errstr;
返回假;
}
}
}
/**
* 参数为数组
* recipients 接收人的数组
* from 发件人的地址,也将作为回复地址
* headers 头部信息的数组
* body 邮件的主体
*/
函数 send($params = array())
{
foreach($params as $key => $value)
{
$this->set($key, $value);
}
if($this->is_connected())
{
// 服务器是否需要验证
if($this->auth)
{
if(!$this->auth()) 返回 FALSE;
}
$this->mail($this->from);
if(is_array($this->recipients))
{
foreach($this->recipients as $value)
{
$this->rcpt (价值);
}
}
else
{
$this->rcpt($this->recipients);
}
if(!$this->data()) 返回 FALSE;
$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);
$this->send_data('.');
return (substr(trim($this->get_data()), 0, 3) === ‘250′);
}
else
{
$this->errors[] = '未连接!';
返回假;
}
}
function helo()
{
if(is_resource($this->connection)
AND $this->send_data('HELO ' .$this->helo)
AND substr(trim($error = $this->get_data()), 0, 3) ==='250′ )
{
return TRUE;
}
else
{
$this->errors[] = 'HELO 命令失败,输出:''。 修剪(substr(修剪($错误),3));
返回假;
}
}
函数 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
{
$this->errors[] = ‘EHLO 命令失败,输出:‘’。 修剪(substr(修剪($错误),3));
返回假;
}
}
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->gt;) ;user)) // 发送用户名
AND substr(trim($error = $this->get_data()),0,3) === '334′
AND $this->send_data( base64_encode($this->pass)) // 发送密码
AND substr(trim($error = $this->get_data()),0,3) === '235′ )
{
返回 TRUE;
}
else
{
$this->errors[] = 'AUTH 命令失败: ' 。 修剪(substr(修剪($错误),3));
返回假;
}
}
函数邮件($from)
{
if($this->is_connected()
AND $this->send_data ('MAIL FROM:')
AND substr(trim($this->get_data()), 0, 2) === '250′ )
{
返回 TRUE;
}
否则
{
返回 FALSE;
}
}
函数 rcpt($to)
{
if($this->is_connected()
AND $this->send_data('RCPT) TO:')
AND substr(trim($error = $this->get_data()), 0, 2) === '25′ )
{
返回 TRUE;
}
else
{
$this->errors[] = trim(substr(trim($error), 3));
返回假;
}
}
函数 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));
返回假;
}
}
函数 is_connected()
{
return (is_resource($this->connection) AND ($this->status === SMTP_STATUS_CONNECTED)) ;
}
函数 send_data($data)
{
if(is_resource($this->connection))
{
if($this->debug )
echo nl2br($data.CRLF);
return fwrite($this->connection, $data.CRLF, strlen($data) 2);
}
否则
{
返回 FALSE;
}
}
函数&get_data()
{
$return = ”;
$line = ”;
if(is_resource($this->connection))
{
while(strpos($return, CRLF) === FALSE OR substr($line,3,1) != = ' ')
{
$line = fgets($this->connection, 512);
$return .= $line;
}
if($this->debug===true)
echo nl2br($return.CRLF);
返回$return;
}
否则
{
返回 FALSE;
}
}
函数集($var, $value)
{
$this->$var = $value;
返回 TRUE;
}
} // 课程结束
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