PHP实现支持SSL连接的SMTP邮件发送类_php技巧

本文实例讲述了PHP实现支持SSL连接的SMTP邮件发送类。分享给大家供大家参考。具体如下：

该实例代码测试过了gmail和QQ邮箱的SMTP。具体代码如下：

<?php<br />/**<br />* 邮件发送类<br />* 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，带附件(单个或多个附件),支持到服务器的ssl连接<br />* 需要的php扩展：sockets、Fileinfo和openssl。<br />* 编码格式是UTF-8，传输编码格式是base64<br />* @example<br />* $mail = new MySendMail();<br />* $mail->setServer("[email protected]", "[email protected]", "XXXXX"); //设置smtp服务器，普通连接方式<br />* $mail->setServer("smtp.gmail.com", "[email protected]", "XXXXX", 465, true); //设置smtp服务器，到服务器的SSL连接<br />* $mail->setFrom("XXXXX"); //设置发件人<br />* $mail->setReceiver("XXXXX"); //设置收件人，多个收件人，调用多次<br />* $mail->setCc("XXXX"); //设置抄送，多个抄送，调用多次<br />* $mail->setBcc("XXXXX"); //设置秘密抄送，多个秘密抄送，调用多次<br />* $mail->addAttachment("XXXX"); //添加附件，多个附件，调用多次<br />* $mail->setMail("test", "<b>test</b>"); //设置邮件主题、内容<br />* $mail->sendMail(); //发送<br />*/<br />class MySendMail {<br />    /**<br />    * @var string 邮件传输代理用户名<br />    * @access protected<br />    */<br />    protected $_userName;<br />    /**<br />    * @var string 邮件传输代理密码<br />    * @access protected<br />    */<br />    protected $_password;<br />    /**<br />    * @var string 邮件传输代理服务器地址<br />    * @access protected<br />    */<br />    protected $_sendServer;<br />    /**<br />    * @var int 邮件传输代理服务器端口<br />    * @access protected<br />    */<br />    protected $_port;<br />    /**<br />    * @var string 发件人<br />    * @access protected<br />    */<br />    protected $_from;<br />    /**<br />    * @var array 收件人<br />    * @access protected<br />    */<br />    protected $_to = array();<br />    /**<br />    * @var array 抄送<br />    * @access protected<br />    */<br />    protected $_cc = array();<br />    /**<br />    * @var array 秘密抄送<br />    * @access protected<br />    */<br />    protected $_bcc = array();<br />    /**<br />    * @var string 主题<br />    * @access protected<br />    */<br />    protected $_subject;<br />    /**<br />    * @var string 邮件正文<br />    * @access protected<br />    */<br />    protected $_body;<br />    /**<br />    * @var array 附件<br />    * @access protected<br />    */<br />    protected $_attachment = array();<br />    /**<br />    * @var reource socket资源<br />    * @access protected<br />    */<br />    protected $_socket;<br />    /**<br />    * @var reource 是否是安全连接<br />    * @access protected<br />    */<br />    protected $_isSecurity;<br />    /**<br />    * @var string 错误信息<br />    * @access protected<br />    */<br />    protected $_errorMessage;<br />    /**<br />    * 设置邮件传输代理，如果是可以匿名发送有邮件的服务器，只需传递代理服务器地址就行<br />    * @access public<br />    * @param string $server 代理服务器的ip或者域名<br />    * @param string $username 认证账号<br />    * @param string $password 认证密码<br />    * @param int $port 代理服务器的端口，smtp默认25号端口<br />    * @param boolean $isSecurity 到服务器的连接是否为安全连接，默认false<br />    * @return boolean<br />    */<br />    public function setServer($server, $username="", $password="", $port=25, $isSecurity=false) {<br />        $this->_sendServer = $server;<br />        $this->_port = $port;<br />        $this->_isSecurity = $isSecurity;<br />        $this->_userName = empty($username) ? "" : base64_encode($username);<br />        $this->_password = empty($password) ? "" : base64_encode($password);<br />        return true;<br />    }<br />    /**<br />    * 设置发件人<br />    * @access public<br />    * @param string $from 发件人地址<br />    * @return boolean<br />    */<br />    public function setFrom($from) {<br />        $this->_from = $from;<br />        return true;<br />    }<br />    /**<br />    * 设置收件人，多个收件人，调用多次.<br />    * @access public<br />    * @param string $to 收件人地址<br />    * @return boolean<br />    */<br />    public function setReceiver($to) {<br />        $this->_to[] = $to;<br />        return true;<br />    }<br />    /**<br />    * 设置抄送，多个抄送，调用多次.<br />    * @access public<br />    * @param string $cc 抄送地址<br />    * @return boolean<br />    */<br />    public function setCc($cc) {<br />        $this->_cc[] = $cc;<br />        return true;<br />    }<br />    /**<br />    * 设置秘密抄送，多个秘密抄送，调用多次<br />    * @access public<br />    * @param string $bcc 秘密抄送地址<br />    * @return boolean<br />    */<br />    public function setBcc($bcc) {<br />        $this->_bcc[] = $bcc;<br />        return true;<br />    }<br />    /**<br />    * 设置邮件附件，多个附件，调用多次<br />    * @access public<br />    * @param string $file 文件地址<br />    * @return boolean<br />    */<br />    public function addAttachment($file) {<br />        if(!file_exists($file)) {<br />            $this->_errorMessage = "file " . $file . " does not exist.";<br />            return false;<br />        }<br />        $this->_attachment[] = $file;<br />        return true;<br />    }<br />    /**<br />    * 设置邮件信息<br />    * @access public<br />    * @param string $body 邮件主题<br />    * @param string $subject 邮件主体内容，可以是纯文本，也可是是HTML文本<br />    * @return boolean<br />    */<br />    public function setMail($subject, $body) {<br />        $this->_subject = base64_encode($subject);<br />        $this->_body = base64_encode($body);<br />        return true;<br />    }<br />    /**<br />    * 发送邮件<br />    * @access public<br />    * @return boolean<br />    */<br />    public function sendMail() {<br />        $command = $this->getCommand();<br />        $this->_isSecurity ? $this->socketSecurity() : $this->socket();<br />        foreach ($command as $value) {<br />            $result = $this->_isSecurity ? $this->sendCommandSecurity($value[0], $value[1]) : $this->sendCommand($value[0], $value[1]);<br />            if($result) {<br />                continue;<br />            }<br />            else{<br />                return false;<br />            }<br />        }<br />        //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<br />        $this->_isSecurity ? $this->closeSecutity() : $this->close();<br />        return true;<br />    }<br />    /**<br />    * 返回错误信息<br />    * @return string<br />    */<br />    public function error(){<br />        if(!isset($this->_errorMessage)) {<br />            $this->_errorMessage = "";<br />        }<br />        return $this->_errorMessage;<br />    }<br />    /**<br />    * 返回mail命令<br />    * @access protected<br />    * @return array<br />    */<br />    protected function getCommand() {<br />        $separator = "----=_Part_" . md5($this->_from . time()) . uniqid(); //分隔符<br />        $command = array(<br />                array("HELO sendmail\r\n", 250)<br />            );<br />        if(!empty($this->_userName)){<br />            $command[] = array("AUTH LOGIN\r\n", 334);<br />            $command[] = array($this->_userName . "\r\n", 334);<br />            $command[] = array($this->_password . "\r\n", 235);<br />        }<br />        //设置发件人<br />        $command[] = array("MAIL FROM: _from . ">\r\n", 250);<br />        $header = "FROM: _from . ">\r\n";<br />        //设置收件人<br />        if(!empty($this->_to)) {<br />            $count = count($this->_to);<br />            if($count == 1){<br />                $command[] = array("RCPT TO: _to[0] . ">\r\n", 250);<br />                $header .= "TO: _to[0] .">\r\n";<br />            }<br />            else{<br />                for($i=0; $i<$count; $i++){<br />                    $command[] = array("RCPT TO: _to[$i] . ">\r\n", 250);<br />                    if($i == 0){<br />                        $header .= "TO: _to[$i] .">";<br />                    }<br />                    elseif($i + 1 == $count){<br />                        $header .= ",_to[$i] .">\r\n";<br />                    }<br />                    else{<br />                        $header .= ",_to[$i] .">";<br />                    }<br />                }<br />            }<br />        }<br />        //设置抄送<br />        if(!empty($this->_cc)) {<br />            $count = count($this->_cc);<br />            if($count == 1){<br />                $command[] = array("RCPT TO: _cc[0] . ">\r\n", 250);<br />                $header .= "CC: _cc[0] .">\r\n";<br />            }<br />            else{<br />                for($i=0; $i<$count; $i++){<br />                    $command[] = array("RCPT TO: _cc[$i] . ">\r\n", 250);<br />                    if($i == 0){<br />                    $header .= "CC: _cc[$i] .">";<br />                    }<br />                    elseif($i + 1 == $count){<br />                        $header .= ",_cc[$i] .">\r\n";<br />                    }<br />                    else{<br />                        $header .= ",_cc[$i] .">";<br />                    }<br />                }<br />            }<br />        }<br />        //设置秘密抄送<br />        if(!empty($this->_bcc)) {<br />            $count = count($this->_bcc);<br />            if($count == 1) {<br />                $command[] = array("RCPT TO: _bcc[0] . ">\r\n", 250);<br />                $header .= "BCC: _bcc[0] .">\r\n";<br />            }<br />            else{<br />                for($i=0; $i<$count; $i++){<br />                    $command[] = array("RCPT TO: _bcc[$i] . ">\r\n", 250);<br />                    if($i == 0){<br />                    $header .= "BCC: _bcc[$i] .">";<br />                    }<br />                    elseif($i + 1 == $count){<br />                        $header .= ",_bcc[$i] .">\r\n";<br />                    }<br />                    else{<br />                        $header .= ",_bcc[$i] .">";<br />                    }<br />                }<br />            }<br />        }<br />        //主题<br />        $header .= "Subject: =?UTF-8?B?" . $this->_subject ."?=\r\n";<br />        if(isset($this->_attachment)) {<br />            //含有附件的邮件头需要声明成这个<br />            $header .= "Content-Type: multipart/mixed;\r\n";<br />        }<br />        elseif(false){<br />            //邮件体含有图片资源的,且包含的图片在邮件内部时声明成这个，如果是引用的远程图片，就不需要了<br />            $header .= "Content-Type: multipart/related;\r\n";<br />        }<br />        else{<br />            //html或者纯文本的邮件声明成这个<br />            $header .= "Content-Type: multipart/alternative;\r\n";<br />        }<br />        //邮件头分隔符<br />        $header .= "\t" . 'boundary="' . $separator . '"';<br />        $header .= "\r\nMIME-Version: 1.0\r\n";<br />        //这里开始是邮件的body部分，body部分分成几段发送<br />        $header .= "\r\n--" . $separator . "\r\n";<br />        $header .= "Content-Type:text/html; charset=utf-8\r\n";<br />        $header .= "Content-Transfer-Encoding: base64\r\n\r\n";<br />        $header .= $this->_body . "\r\n";<br />        $header .= "--" . $separator . "\r\n";<br />        //加入附件<br />        if(!empty($this->_attachment)){<br />            $count = count($this->_attachment);<br />            for($i=0; $i<$count; $i++){<br />                $header .= "\r\n--" . $separator . "\r\n";<br />                $header .= "Content-Type: " . $this->getMIMEType($this->_attachment[$i]) . '; name="=?UTF-8?B?' . base64_encode( basename($this->_attachment[$i]) ) . '?="' . "\r\n";<br />                $header .= "Content-Transfer-Encoding: base64\r\n";<br />                $header .= 'Content-Disposition: attachment; filename="=?UTF-8?B?' . base64_encode( basename($this->_attachment[$i]) ) . '?="' . "\r\n";<br />                $header .= "\r\n";<br />                $header .= $this->readFile($this->_attachment[$i]);<br />                $header .= "\r\n--" . $separator . "\r\n";<br />            }<br />        }<br />        //结束邮件数据发送<br />        $header .= "\r\n.\r\n";<br /> <br />        $command[] = array("DATA\r\n", 354);<br />        $command[] = array($header, 250);<br />        $command[] = array("QUIT\r\n", 221);<br />        return $command;<br />    }<br />    /**<br />    * 发送命令<br />    * @access protected<br />    * @param string $command 发送到服务器的smtp命令<br />    * @param int $code 期望服务器返回的响应吗<br />    * @return boolean<br />    */<br />    protected function sendCommand($command, $code) {<br />        echo 'Send command:' . $command . ',expected code:' . $code . '<br />';<br />        //发送命令给服务器<br />        try{<br />            if(socket_write($this->_socket, $command, strlen($command))){<br />                //当邮件内容分多次发送时，没有$code，服务器没有返回<br />                if(empty($code))  {<br />                    return true;<br />                }<br />                //读取服务器返回<br />                $data = trim(socket_read($this->_socket, 1024));<br />                echo 'response:' . $data . '<br /><br />';<br />                if($data) {<br />                    $pattern = "/^".$code."+?/";<br />                    if(preg_match($pattern, $data)) {<br />                        return true;<br />                    }<br />                    else{<br />                        $this->_errorMessage = "Error:" . $data . "|**| command:";<br />                        return false;<br />                    }<br />                }<br />                else{<br />                    $this->_errorMessage = "Error:" . socket_strerror(socket_last_error());<br />                    return false;<br />                }<br />            }<br />            else{<br />                $this->_errorMessage = "Error:" . socket_strerror(socket_last_error());<br />                return false;<br />            }<br />        }catch(Exception $e) {<br />            $this->_errorMessage = "Error:" . $e->getMessage();<br />        }<br />    }<br />    /**<br />    * 安全连接发送命令<br />    * @access protected<br />    * @param string $command 发送到服务器的smtp命令<br />    * @param int $code 期望服务器返回的响应吗<br />    * @return boolean<br />    */<br />    protected function sendCommandSecurity($command, $code) {<br />        echo 'Send command:' . $command . ',expected code:' . $code . '<br />';<br />        try {<br />            if(fwrite($this->_socket, $command)){<br />                //当邮件内容分多次发送时，没有$code，服务器没有返回<br />                if(empty($code))  {<br />                    return true;<br />                }<br />                //读取服务器返回<br />                $data = trim(fread($this->_socket, 1024));<br />                echo 'response:' . $data . '<br /><br />';<br />                if($data) {<br />                    $pattern = "/^".$code."+?/";<br />                    if(preg_match($pattern, $data)) {<br />                        return true;<br />                    }<br />                    else{<br />                        $this->_errorMessage = "Error:" . $data . "|**| command:";<br />                        return false;<br />                    }<br />                }<br />                else{<br />                    return false;<br />                }<br />            }<br />            else{<br />                $this->_errorMessage = "Error: " . $command . " send failed";<br />                return false;<br />            }<br />        }catch(Exception $e) {<br />            $this->_errorMessage = "Error:" . $e->getMessage();<br />        }<br />    } <br />    /**<br />    * 读取附件文件内容，返回base64编码后的文件内容<br />    * @access protected<br />    * @param string $file 文件<br />    * @return mixed<br />    */<br />    protected function readFile($file) {<br />        if(file_exists($file)) {<br />            $file_obj = file_get_contents($file);<br />            return base64_encode($file_obj);<br />        }<br />        else {<br />            $this->_errorMessage = "file " . $file . " dose not exist";<br />            return false;<br />        }<br />    }<br />    /**<br />    * 获取附件MIME类型<br />    * @access protected<br />    * @param string $file 文件<br />    * @return mixed<br />    */<br />    protected function getMIMEType($file) {<br />        if(file_exists($file)) {<br />            $mime = mime_content_type($file);<br />            /*if(! preg_match("/gif|jpg|png|jpeg/", $mime)){<br />                $mime = "application/octet-stream";<br />            }*/<br />            return $mime;<br />        }<br />        else {<br />            return false;<br />        }<br />    }<br />    /**<br />    * 建立到服务器的网络连接<br />    * @access protected<br />    * @return boolean<br />    */<br />    protected function socket() {<br />        //创建socket资源<br />        $this->_socket = socket_create(AF_INET, SOCK_STREAM, getprotobyname('tcp'));<br />        if(!$this->_socket) {<br />            $this->_errorMessage = socket_strerror(socket_last_error());<br />            return false;<br />        }<br />        socket_set_block($this->_socket);//设置阻塞模式<br />        //连接服务器<br />        if(!socket_connect($this->_socket, $this->_sendServer, $this->_port)) {<br />            $this->_errorMessage = socket_strerror(socket_last_error());<br />            return false;<br />        }<br />        $str = socket_read($this->_socket, 1024);<br />        if(!preg_match("/220+?/", $str)){<br />            $this->_errorMessage = $str;<br />            return false;<br />        }<br />        return true;<br />    }<br />    /**<br />    * 建立到服务器的SSL网络连接<br />    * @access protected<br />    * @return boolean<br />    */<br />    protected function socketSecurity() {<br />        $remoteAddr = "tcp://" . $this->_sendServer . ":" . $this->_port;<br />        $this->_socket = stream_socket_client($remoteAddr, $errno, $errstr, 30);<br />        if(!$this->_socket){<br />            $this->_errorMessage = $errstr;<br />            return false;<br />        }<br />        //设置加密连接，默认是ssl，如果需要tls连接，可以查看php手册stream_socket_enable_crypto函数的解释<br />        stream_socket_enable_crypto($this->_socket, true, STREAM_CRYPTO_METHOD_SSLv23_CLIENT);<br />        stream_set_blocking($this->_socket, 1); //设置阻塞模式<br />        $str = fread($this->_socket, 1024);<br />        if(!preg_match("/220+?/", $str)){<br />            $this->_errorMessage = $str;<br />            return false;<br />        }<br />        return true;<br />    }<br />    /**<br />    * 关闭socket<br />    * @access protected<br />    * @return boolean<br />    */<br />    protected function close() {<br />        if(isset($this->_socket) && is_object($this->_socket)) {<br />            $this->_socket->close();<br />            return true;<br />        }<br />        $this->_errorMessage = "<a>2本文来源gao*daima.com搞@代#码&网6</a><pre>搞gaodaima代码

No resource can to be close”;
return false;
}
/**
* 关闭安全socket
* @access protected
* @return boolean
*/
protected function closeSecutity() {
if(isset($this->_socket) && is_object($this->_socket)) {
stream_socket_shutdown($this->_socket, STREAM_SHUT_WR);
return true;
}
$this->_errorMessage = “No resource can to be close”;
return false;
}
}

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