PHPはSSL接続に対応したSMTPメール送信クラスを実現します。
この例は、PHPがSSL接続をサポートするSMTPメール送信クラスを実現することを述べている。皆さんの参考にしてください。具体的には以下の通りです
この実例コードはgmailとQQメールのSMTPをテストしました。具体的なコードは以下の通りです。
この実例コードはgmailとQQメールのSMTPをテストしました。具体的なコードは以下の通りです。
/**
*
* HTML ， ， ， ， ( ), ssl
* php ：sockets、Fileinfo openssl。
* UTF-8， base64
* @example
* $mail = new MySendMail();
* $mail->setServer("[email protected]", "[email protected]", "XXXXX"); // smtp ，
* $mail->setServer("smtp.gmail.com", "[email protected]", "XXXXX", 465, true); // smtp ， SSL
* $mail->setFrom("XXXXX"); //
* $mail->setReceiver("XXXXX"); // ， ，
* $mail->setCc("XXXX"); // ， ，
* $mail->setBcc("XXXXX"); // ， ，
* $mail->addAttachment("XXXX"); // ， ，
* $mail->setMail("test", "<b>test</b>"); // 、
* $mail->sendMail(); //
*/
class MySendMail {
/**
* @var string
* @access protected
*/
protected $_userName;
/**
* @var string
* @access protected
*/
protected $_password;
/**
* @var string
* @access protected
*/
protected $_sendServer;
/**
* @var int
* @access protected
*/
protected $_port;
/**
* @var string
* @access protected
*/
protected $_from;
/**
* @var array
* @access protected
*/
protected $_to = array();
/**
* @var array
* @access protected
*/
protected $_cc = array();
/**
* @var array
* @access protected
*/
protected $_bcc = array();
/**
* @var string
* @access protected
*/
protected $_subject;
/**
* @var string
* @access protected
*/
protected $_body;
/**
* @var array
* @access protected
*/
protected $_attachment = array();
/**
* @var reource socket
* @access protected
*/
protected $_socket;
/**
* @var reource
* @access protected
*/
protected $_isSecurity;
/**
* @var string
* @access protected
*/
protected $_errorMessage;
/**
* ， ，
* @access public
* @param string $server ip
* @param string $username
* @param string $password
* @param int $port ，smtp 25
* @param boolean $isSecurity ， false
* @return boolean
*/
public function setServer($server, $username="", $password="", $port=25, $isSecurity=false) {
$this->_sendServer = $server;
$this->_port = $port;
$this->_isSecurity = $isSecurity;
$this->_userName = empty($username) ? "" : base64_encode($username);
$this->_password = empty($password) ? "" : base64_encode($password);
return true;
}
/**
*
* @access public
* @param string $from
* @return boolean
*/
public function setFrom($from) {
$this->_from = $from;
return true;
}
/**
* ， ， .
* @access public
* @param string $to
* @return boolean
*/
public function setReceiver($to) {
$this->_to[] = $to;
return true;
}
/**
* ， ， .
* @access public
* @param string $cc
* @return boolean
*/
public function setCc($cc) {
$this->_cc[] = $cc;
return true;
}
/**
* ， ，
* @access public
* @param string $bcc
* @return boolean
*/
public function setBcc($bcc) {
$this->_bcc[] = $bcc;
return true;
}
/**
* ， ，
* @access public
* @param string $file
* @return boolean
*/
public function addAttachment($file) {
if(!file_exists($file)) {
$this->_errorMessage = "file " . $file . " does not exist.";
return false;
}
$this->_attachment[] = $file;
return true;
}
/**
*
* @access public
* @param string $body
* @param string $subject ， ， HTML
* @return boolean
*/
public function setMail($subject, $body) {
$this->_subject = base64_encode($subject);
$this->_body = base64_encode($body);
return true;
}
/**
*
* @access public
* @return boolean
*/
public function sendMail() {
$command = $this->getCommand();
$this->_isSecurity ? $this->socketSecurity() : $this->socket();
foreach ($command as $value) {
$result = $this->_isSecurity ? $this->sendCommandSecurity($value[0], $value[1]) : $this->sendCommand($value[0], $value[1]);
if($result) {
continue;
}
else{
return false;
}
}
// ，smtp ：QUIT ， ， socket
$this->_isSecurity ? $this->closeSecutity() : $this->close();
return true;
}
/**
*
* @return string
*/
public function error(){
if(!isset($this->_errorMessage)) {
$this->_errorMessage = "";
}
return $this->_errorMessage;
}
/**
* mail
* @access protected
* @return array
*/
protected function getCommand() {
$separator = "----=_Part_" . md5($this->_from . time()) . uniqid(); //
$command = array(
array("HELO sendmail\r
", 250)
);
if(!empty($this->_userName)){
$command[] = array("AUTH LOGIN\r
", 334);
$command[] = array($this->_userName . "\r
", 334);
$command[] = array($this->_password . "\r
", 235);
}
//
$command[] = array("MAIL FROM: <" . $this->_from . ">\r
", 250);
$header = "FROM: <" . $this->_from . ">\r
";
//
if(!empty($this->_to)) {
$count = count($this->_to);
if($count == 1){
$command[] = array("RCPT TO: <" . $this->_to[0] . ">\r
", 250);
$header .= "TO: <" . $this->_to[0] .">\r
";
}
else{
for($i=0; $i<$count; $i++){
$command[] = array("RCPT TO: <" . $this->_to[$i] . ">\r
", 250);
if($i == 0){
$header .= "TO: <" . $this->_to[$i] .">";
}
elseif($i + 1 == $count){
$header .= ",<" . $this->_to[$i] .">\r
";
}
else{
$header .= ",<" . $this->_to[$i] .">";
}
}
}
}
//
if(!empty($this->_cc)) {
$count = count($this->_cc);
if($count == 1){
$command[] = array("RCPT TO: <" . $this->_cc[0] . ">\r
", 250);
$header .= "CC: <" . $this->_cc[0] .">\r
";
}
else{
for($i=0; $i<$count; $i++){
$command[] = array("RCPT TO: <" . $this->_cc[$i] . ">\r
", 250);
if($i == 0){
$header .= "CC: <" . $this->_cc[$i] .">";
}
elseif($i + 1 == $count){
$header .= ",<" . $this->_cc[$i] .">\r
";
}
else{
$header .= ",<" . $this->_cc[$i] .">";
}
}
}
}
//
if(!empty($this->_bcc)) {
$count = count($this->_bcc);
if($count == 1) {
$command[] = array("RCPT TO: <" . $this->_bcc[0] . ">\r
", 250);
$header .= "BCC: <" . $this->_bcc[0] .">\r
";
}
else{
for($i=0; $i<$count; $i++){
$command[] = array("RCPT TO: <" . $this->_bcc[$i] . ">\r
", 250);
if($i == 0){
$header .= "BCC: <" . $this->_bcc[$i] .">";
}
elseif($i + 1 == $count){
$header .= ",<" . $this->_bcc[$i] .">\r
";
}
else{
$header .= ",<" . $this->_bcc[$i] .">";
}
}
}
}
//
$header .= "Subject: =?UTF-8?B?" . $this->_subject ."?=\r
";
if(isset($this->_attachment)) {
//
$header .= "Content-Type: multipart/mixed;\r
";
}
elseif(false){
// , ， ，
$header .= "Content-Type: multipart/related;\r
";
}
else{
//html
$header .= "Content-Type: multipart/alternative;\r
";
}
//
$header .= "\t" . 'boundary="' . $separator . '"';
$header .= "\r
MIME-Version: 1.0\r
";
// body ，body
$header .= "\r
--" . $separator . "\r
";
$header .= "Content-Type:text/html; charset=utf-8\r
";
$header .= "Content-Transfer-Encoding: base64\r
\r
";
$header .= $this->_body . "\r
";
$header .= "--" . $separator . "\r
";
//
if(!empty($this->_attachment)){
$count = count($this->_attachment);
for($i=0; $i<$count; $i++){
$header .= "\r
--" . $separator . "\r
";
$header .= "Content-Type: " . $this->getMIMEType($this->_attachment[$i]) . '; name="=?UTF-8?B?' . base64_encode( basename($this->_attachment[$i]) ) . '?="' . "\r
";
$header .= "Content-Transfer-Encoding: base64\r
";
$header .= 'Content-Disposition: attachment; filename="=?UTF-8?B?' . base64_encode( basename($this->_attachment[$i]) ) . '?="' . "\r
";
$header .= "\r
";
$header .= $this->readFile($this->_attachment[$i]);
$header .= "\r
--" . $separator . "\r
";
}
}
//
$header .= "\r
.\r
";
$command[] = array("DATA\r
", 354);
$command[] = array($header, 250);
$command[] = array("QUIT\r
", 221);
return $command;
}
/**
*
* @access protected
* @param string $command smtp
* @param int $code
* @return boolean
*/
protected function sendCommand($command, $code) {
echo 'Send command:' . $command . ',expected code:' . $code . '<br />';
//
try{
if(socket_write($this->_socket, $command, strlen($command))){
// ， $code，
if(empty($code)) {
return true;
}
//
$data = trim(socket_read($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();
}
}
/**
*
* @access protected
* @param string $command smtp
* @param int $code
* @return boolean
*/
protected function sendCommandSecurity($command, $code) {
echo 'Send command:' . $command . ',expected code:' . $code . '<br />';
try {
if(fwrite($this->_socket, $command)){
// ， $code，
if(empty($code)) {
return true;
}
//
$data = trim(fread($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{
return false;
}
}
else{
$this->_errorMessage = "Error: " . $command . " send failed";
return false;
}
}catch(Exception $e) {
$this->_errorMessage = "Error:" . $e->getMessage();
}
}
/**
* ， base64
* @access protected
* @param string $file
* @return mixed
*/
protected function readFile($file) {
if(file_exists($file)) {
$file_obj = file_get_contents($file);
return base64_encode($file_obj);
}
else {
$this->_errorMessage = "file " . $file . " dose not exist";
return false;
}
}
/**
* MIME
* @access protected
* @param string $file
* @return mixed
*/
protected function getMIMEType($file) {
if(file_exists($file)) {
$mime = mime_content_type($file);
/*if(! preg_match("/gif|jpg|png|jpeg/", $mime)){
$mime = "application/octet-stream";
}*/
return $mime;
}
else {
return false;
}
}
/**
*
* @access protected
* @return boolean
*/
protected function socket() {
// socket
$this->_socket = socket_create(AF_INET, SOCK_STREAM, getprotobyname('tcp'));
if(!$this->_socket) {
$this->_errorMessage = socket_strerror(socket_last_error());
return false;
}
socket_set_block($this->_socket);//
//
if(!socket_connect($this->_socket, $this->_sendServer, $this->_port)) {
$this->_errorMessage = socket_strerror(socket_last_error());
return false;
}
$str = socket_read($this->_socket, 1024);
if(!preg_match("/220+?/", $str)){
$this->_errorMessage = $str;
return false;
}
return true;
}
/**
* SSL
* @access protected
* @return boolean
*/
protected function socketSecurity() {
$remoteAddr = "tcp://" . $this->_sendServer . ":" . $this->_port;
$this->_socket = stream_socket_client($remoteAddr, $errno, $errstr, 30);
if(!$this->_socket){
$this->_errorMessage = $errstr;
return false;
}
// ， ssl， tls ， php stream_socket_enable_crypto
stream_socket_enable_crypto($this->_socket, true, STREAM_CRYPTO_METHOD_SSLv23_CLIENT);
stream_set_blocking($this->_socket, 1); //
$str = fread($this->_socket, 1024);
if(!preg_match("/220+?/", $str)){
$this->_errorMessage = $str;
return false;
}
return true;
}
/**
* socket
* @access protected
* @return boolean
*/
protected function close() {
if(isset($this->_socket) && is_object($this->_socket)) {
$this->_socket->close();
return true;
}
$this->_errorMessage = "No resource can to be close";
return false;
}
/**
* socket
* @access protected
* @return boolean
*/
protected function closeSecutity() {
if(isset($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;
}
}