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<?php
/**
* 邮件发送类
* 支持发送纯文本邮件和HTML格式的邮件，可以多收件人，多抄送，多秘密抄送
* @example
* $mail = new MySendMail();
* $mail->setServer("XXXXX", "XXXXX@XXXXX", "XXXXX"); 设置smtp服务器
* $mail->setFrom("XXXXX"); 设置发件人
* $mail->setReceiver("XXXXX"); 设置收件人，多个收件人，调用多次
* $mail->setCc("XXXX"); 设置抄送，多个抄送，调用多次
* $mail->setBcc("XXXXX"); 设置秘密抄送，多个秘密抄送，调用多次
* $mail->setMailInfo("test", "<b>test</b>"); 设置邮件主题、内容
* $mail->sendMail(); 发送
*/
class MySendMail {
/**
* @var string 邮件传输代理用户名
* @access private
*/
private $_userName;
/**
* @var string 邮件传输代理密码
* @access private
*/
private $_password;
/**
* @var string 邮件传输代理服务器地址
* @access protected
*/
protected $_sendServer;
/**
* @var int 邮件传输代理服务器端口
* @access protected
*/
protected $_port=25;
/**
* @var string 发件人
* @access protected
*/
protected $_from;
/**
* @var string 收件人
* @access protected
*/
protected $_to;
/**
* @var string 抄送
* @access protected
*/
protected $_cc;
/**
* @var string 秘密抄送
* @access protected
*/
protected $_bcc;
/**
* @var string 主题
* @access protected
*/
protected $_subject;
/**
* @var string 邮件正文
* @access protected
*/
protected $_body;
/**
* @var string 附件
* @access protected
*/
protected $_attachment;
/**
* @var boolean 是否是纯文本邮件
* @access protected
*/
protected $_isPlain=false;
/**
* @var reource socket资源
* @access protected
*/
protected $_socket;
/**
* @var string 错误信息
* @access protected
*/
protected $_errorMessage;
/**
* 设置邮件传输代理
* @access public
* @param string $server 代理服务器的ip或者域名
* @param string $username 认证账号
* @param string $password 认证密码
* @param int $port 代理服务器的端口，smtp默认25号端口
* @return boolean
*/
public function setServer($server, $username="", $password="", $port=25) {
$this->_sendServer = $server;
$this->_port = $port;
if(!empty($username)) {
$this->_userName = base64_encode($username);
}
if(!empty($password)) {
$this->_password = base64_encode($password);
}
return true;
}
/**
* 设置发件人
* @access public
* @param string $from 发件人地址
* @return boolean
*/
public function setFrom($from) {
$this->_from = $from;
return true;
}
/**
* 设置收件人，多个收件人，连续调用多次.
* @access public
* @param string $to 收件人地址
* @return boolean
*/
public function setReceiver($to) {
if(isset($this->_to)) {
if(is_string($this->_to)) {
$this->_to = array($this->_to);
$this->_to[] = $to;
return true;
}
elseif(is_array($this->_to)) {
$this->_to[] = $to;
return true;
}
else {
return false;
}
}
else {
$this->_to = $to;
return true;
}
}
/**
* 设置抄送，多个抄送，连续调用多次.
* @access public
* @param string $cc 抄送地址
* @return boolean
*/
public function setCc($cc) {
if(isset($this->_cc)) {
if(is_string($this->_cc)) {
$this->_cc = array($this->_cc);
$this->_cc[] = $cc;
return true;
}
elseif(is_array($this->_cc)) {
$this->_cc[] = $cc;
return true;
}
else {
return false;
}
}
else {
$this->_cc = $cc;
return true;
}
}
/**
* 设置秘密抄送，多个秘密抄送，连续调用多次
* @access public
* @param string $bcc 秘密抄送地址
* @return boolean
*/
public function setBcc($bcc) {
if(isset($this->_bcc)) {
if(is_string($this->_bcc)) {
$this->_bcc = array($this->_bcc);
$this->_bcc[] = $bcc;
return true;
}
elseif(is_array($this->_bcc)) {
$this->_bcc[] = $bcc;
return true;
}
else {
return false;
}
}
else {
$this->_bcc = $bcc;
return true;
}
}
/**
* 设置邮件信息
* @access public
* @param string $body 邮件主题
* @param string $subject 邮件主体内容
* @param boolean $isPlain 是否是纯文本邮件，默认否
* @param string $attachment 附件，文件地址
* @return boolean
*/
public function setMailInfo($subject, $body, $isPlain=false, $attachment="") {
$this->_subject = $subject;
$this->_body = $body;
$this->_isPlain = $isPlain;
if(!empty($attachment)) {
$this->_attachment = $attachment;
}
return true;
}
/**
* 发送邮件
* @access public
* @return boolean
*/
public function sendMail() {
$command = $this->getCommand();
$this->socket();
//print_r($command);exit;
foreach ($command as $value) {
if($this->sendCommand($value[0], $value[1])) {
continue;
}
else{
return false;
}
}
$this->close(); //其实这里也没必要关闭，smtp命令：QUIT发出之后，服务器就关闭了连接，本地的socket资源会自动释放
echo 'Mail OK!';
return true;
}
/**
* 返回错误信息
* @return string
*/
public function error(){
if(!isset($this->_errorMessage)) {
$this->_errorMessage = "";
}
return $this->_errorMessage;
}
/**
* 返回mail命令
* @access protected
* @return array
*/
protected function getCommand() {
$command = array(
array("HELO sendmail\r\n", 250),
array("AUTH LOGIN\r\n", 334),
array($this->_userName . "\r\n", 334),
array($this->_password . "\r\n", 235),
array("MAIL FROM:<" . $this->_from . ">\r\n", 250)
);
//邮件头
$header = "MIME-Version:1.0\r\n";
if($this->_isPlain) {
$header .= "Content-type:text/plain;charset=utf-8\r\n";
}
else{
$header .= "Content-type:text/html;charset=utf-8\r\n";
}
//设置发件人
$header .= "FROM:test<" . $this->_from . ">\r\n";
//设置收件人
if(is_array($this->_to)) {
$count = count($this->_to);
for($i=0; $i<$count; $i++){
$command[] = array("RCPT TO:<" . $this->_to[$i] . ">\r\n", 250);
$header .= "TO:<" . $this->_to[$i] . ">\r\n";
}
}
else{
$command[] = array("RCPT TO:<" . $this->_to . ">\r\n", 250);
$header .= "TO:<" . $this->_to . ">\r\n";
}
//设置抄送
if(isset($this->_cc)) {
if(is_array($this->_cc)) {
$count = count($this->_cc);
for($i=0; $i<$count; $i++){
$command[] = array("RCPT TO:<" . $this->_cc[$i] . ">\r\n", 250);
$header .= "CC:<" . $this->_cc[$i] . ">\r\n";
}
}
else{
$command[] = array("RCPT TO:<" . $this->_cc . ">\r\n", 250);
$header .= "CC:<" . $this->_cc . ">\r\n";
}
}
//设置秘密抄送
if(isset($this->_bcc)) {
if(is_array($this->_bcc)) {
$count = count($this->_bcc);
for($i=0; $i<$count; $i++){
$command[] = array("RCPT TO:<" . $this->_bcc[$i] . ">\r\n", 250);
$header .= "BCC:<" . $this->_bcc[$i] . ">\r\n";
}
}
else{
$command[] = array("RCPT TO:<" . $this->_bcc . ">\r\n", 250);
$header .= "BCC:<" . $this->_bcc . ">\r\n";
}
}
$header .= "Subject:" . $this->_subject ."\r\n\r\n";
$body= $this->_body . "\r\n.\r\n";
$command[] = array("DATA\r\n", 354);
$command[] = array($header, "");
$command[] = array($body, 250);
$command[] = array("QUIT\r\n", 221);
return $command;
}
/**
* @access protected
* @param string $command 发送到服务器的smtp命令
* @param int $code 期望服务器返回的响应吗
* @param boolean
*/
protected function sendCommand($command, $code) {
echo 'Send command:' . $command . ',expected code:' . $code . '<br />';
//发送命令给服务器
try{
if(socket_write($this->_socket, $command, strlen($command))){
//当邮件内容分多次发送时，没有$code，服务器没有返回
if(empty($code)) {
return true;
}
//读取服务器返回
$data = trim(socket_read($this->_socket, 1024));
echo 'response:' . $data . '<br /><br />';
if($data) {
$pattern = "/^".$code."/";
if(preg_match($pattern, $data)) {
return true;
}
else{
$this->_errorMessage = "Error:" . $data . "|**| command:";
return false;
}
}
else{
$this->_errorMessage = "Error:" . socket_strerror(socket_last_error());
return false;
}
}
else{
$this->_errorMessage = "Error:" . socket_strerror(socket_last_error());
return false;
}
}catch(Exception $e) {
$this->_errorMessage = "Error:" . $e->getMessage();
}
}
/**
* 读取附件文件内容，返回base64编码后的文件内容
* @access protected
* @return mixed
*/
protected function readFile() {
if(isset($this->_attachment) && file_exists($this->_attachment)) {
$file = file_get_contents($this->_attachment);
return base64_encode($file);
}
else {
return false;
}
}
/**
* 建立到服务器的网络连接
* @access private
* @return boolean
*/
private function socket() {
if(!function_exists("socket_create")) {
$this->_errorMessage = "Extension sockets must be enabled";
return false;
}
//创建socket资源
$this->_socket = socket_create(AF_INET, SOCK_STREAM, getprotobyname('tcp'));
if(!$this->_socket) {
$this->_errorMessage = socket_strerror(socket_last_error());
return false;
}
socket_set_block($this->_socket);//设置阻塞模式
//连接服务器
if(!socket_connect($this->_socket, $this->_sendServer, $this->_port)) {
$this->_errorMessage = socket_strerror(socket_last_error());
return false;
}
socket_read($this->_socket, 1024);
return true;
}
/**
* 关闭socket
* @access private
* @return boolean
*/
private function close() {
if(isset($this->_socket) && is_object($this->_socket)) {
$this->_socket->close();
return true;
}
$this->_errorMessage = "No resource can to be close";
return false;
}
}
/**************************** Test ***********************************/
$mail = new MySendMail();
$mail->setServer("XXXXX", "XXXXX@XXXXX", "XXXXX");
$mail->setFrom("XXXXX");
$mail->setReceiver("XXXXX");
$mail->setReceiver("XXXXX");
//$mail->setCc("XXXXXX");
//$mail->setCc("XXXXXX");
$mail->setBcc("XXXXX");
$mail->setBcc("XXXXX");
$mail->setMailInfo("test", "<b>test</b>");
$mail->sendMail();
