2022-05-20 19:21:39 +08:00

261 lines
7.8 KiB
PHP

<?php
/*
Copyright GHINK Network Studio
Author: Bigsk(https://www.xiaxinzhe.cn)
*/
if(!defined('IN_SYS')){//Defined entreance security.
header('HTTP/1.1 403 Forbidden');
exit(file_get_contents(setting::root."template/403.html"));
}
//邮件发送函数
class smtp{
var $smtp_port;
var $time_out;
var $host_name;
var $log_file;
var $relay_host;
var $debug;
var $auth;
var $user;
var $pass;
var $sock;
function __construct($relay_host="", $smtp_port=25, $auth=false, $user, $pass){
$this->debug=FALSE;
$this->smtp_port=$smtp_port;
$this->relay_host=$relay_host;
$this->time_out=30;
$this->auth=$auth;
$this->user=$user;
$this->pass=$pass;
$this->host_name="localhost";
$this->log_file="";
$this->sock=FALSE;
}
function sendmail($to, $from, $subject="", $body="", $mailtype, $cc="", $bcc="", $additional_headers=""){
$header="";
$mail_from=$this->get_address($this->strip_comment($from));
$body=mb_ereg_replace("(^|(\r\n))(\\.)", "\\1.\\3", $body);
$header .="MIME-Version:1.0\r\n";
if ($mailtype=="HTML") {
$header .='Content-type: text/html; charset=utf-8'."\r\n";
}
$header .="To: ".$to."\r\n";
if ($cc !="") {
$header .="Cc: ".$cc."\r\n";
}
$header .="From: ".$from."\r\n";
$header .="Subject: ".$subject."\r\n";
$header .=$additional_headers;
$header .="Date: ".date("r")."\r\n";
$header .="X-Mailer:By (PHP/".phpversion().")\r\n";
list($msec, $sec)=explode(" ", microtime());
$header .="Message-ID: <".date("YmdHis", $sec).".".($msec * 1000000).".".$mail_from.">\r\n";
$TO=explode(",", $this->strip_comment($to));
if ($cc !="") {
$TO=array_merge($TO, explode(",", $this->strip_comment($cc)));
}
if ($bcc !="") {
$TO=array_merge($TO, explode(",", $this->strip_comment($bcc)));
}
$sent=TRUE;
foreach ($TO as $rcpt_to) {
$rcpt_to=$this->get_address($rcpt_to);
if (!$this->smtp_sockopen($rcpt_to)) {
$this->log_write("Error: Cannot send email to ".$rcpt_to."\n");
$sent=FALSE;
continue;
}
if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body)) {
$this->log_write("E-mail has been sent to <".$rcpt_to.">\n");
}else{
$this->log_write("Error: Cannot send email to <".$rcpt_to.">\n");
$sent=FALSE;
}
fclose($this->sock);
$this->log_write("Disconnected from remote host\n");
}
echo "<br>";
return $sent;
}
function smtp_send($helo, $from, $to, $header, $body=""){
if (!$this->smtp_putcmd("HELO", $helo)) {
return $this->smtp_error("sending HELO command");
}
if ($this->auth) {
if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))) {
return $this->smtp_error("sending HELO command");
}
if (!$this->smtp_putcmd("", base64_encode($this->pass))) {
return $this->smtp_error("sending HELO command");
}
}
#
if (!$this->smtp_putcmd("MAIL", "FROM:<".$from.">")) {
return $this->smtp_error("sending MAIL FROM command");
}
if (!$this->smtp_putcmd("RCPT", "TO:<".$to.">")) {
return $this->smtp_error("sending RCPT TO command");
}
if (!$this->smtp_putcmd("DATA")) {
return $this->smtp_error("sending DATA command");
}
if (!$this->smtp_message($header, $body)) {
return $this->smtp_error("sending message");
}
if (!$this->smtp_eom()) {
return $this->smtp_error("sending <CR><LF>.<CR><LF> [EOM]");
}
if (!$this->smtp_putcmd("QUIT")) {
return $this->smtp_error("sending QUIT command");
}
return TRUE;
}
function smtp_sockopen($address){
if ($this->relay_host=="") {
return $this->smtp_sockopen_mx($address);
}else{
return $this->smtp_sockopen_relay();
}
}
function smtp_sockopen_relay(){
$this->log_write("Trying to ".$this->relay_host.":".$this->smtp_port."\n");
$this->sock=@fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out);
if (!($this->sock && $this->smtp_ok())) {
$this->log_write("Error: Cannot connenct to relay host ".$this->relay_host."\n");
$this->log_write("Error: ".$errstr." (".$errno.")\n");
return FALSE;
}
$this->log_write("Connected to relay host ".$this->relay_host."\n");
return TRUE;
;
}
function smtp_sockopen_mx($address){
$domain=ereg_replace("^.+@([^@]+)$", "\\1", $address);
if (!@getmxrr($domain, $MXHOSTS)) {
$this->log_write("Error: Cannot resolve MX \"".$domain."\"\n");
return FALSE;
}
foreach ($MXHOSTS as $host) {
$this->log_write("Trying to ".$host.":".$this->smtp_port."\n");
$this->sock=@fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out);
if (!($this->sock && $this->smtp_ok())) {
$this->log_write("Warning: Cannot connect to mx host ".$host."\n");
$this->log_write("Error: ".$errstr." (".$errno.")\n");
continue;
}
$this->log_write("Connected to mx host ".$host."\n");
return TRUE;
}
$this->log_write("Error: Cannot connect to any mx hosts (".implode(", ", $MXHOSTS).")\n");
return FALSE;
}
function smtp_message($header, $body){
fputs($this->sock, $header."\r\n".$body);
$this->smtp_debug("> ".str_replace("\r\n", "\n"."> ", $header."\n> ".$body."\n> "));
return TRUE;
}
function smtp_eom(){
fputs($this->sock, "\r\n.\r\n");
$this->smtp_debug(". [EOM]\n");
return $this->smtp_ok();
}
function smtp_ok(){
$response=str_replace("\r\n", "", fgets($this->sock, 512));
$this->smtp_debug($response."\n");
if (!mb_ereg("^[23]", $response)) {
fputs($this->sock, "QUIT\r\n");
fgets($this->sock, 512);
$this->log_write("Error: Remote host returned \"".$response."\"\n");
return FALSE;
}
return TRUE;
}
function smtp_putcmd($cmd, $arg=""){
if ($arg !="") {
if ($cmd=="")
$cmd=$arg;
else
$cmd=$cmd." ".$arg;
}
fputs($this->sock, $cmd."\r\n");
$this->smtp_debug("> ".$cmd."\n");
return $this->smtp_ok();
}
function smtp_error($string){
$this->log_write("Error: Error occurred while ".$string.".\n");
return FALSE;
}
function log_write($message){
$this->smtp_debug($message);
if ($this->log_file=="") {
return TRUE;
}
$message=date("M d H:i:s ").get_current_user()."[".getmypid()."]: ".$message;
if (!@file_exists($this->log_file) || !($fp=@fopen($this->log_file, "a"))) {
$this->smtp_debug("Warning: Cannot open log file \"".$this->log_file."\"\n");
return FALSE;
}
flock($fp, LOCK_EX);
fputs($fp, $message);
fclose($fp);
return TRUE;
}
function strip_comment($address){
$comment="\\([^()]*\\)";
while (mb_ereg($comment, $address)) {
$address=mb_ereg_replace($comment, "", $address);
}
return $address;
}
function get_address($address){
$address=mb_ereg_replace("([ \t\r\n])+", "", $address);
$address=mb_ereg_replace("^.*<(.+)>.*$", "\\1", $address);
return $address;
}
function smtp_debug($message){
if ($this->debug) {
echo $message."<br>";
}
}
function get_attach_type($image_tag){
$filedata=array();
$img_file_con=fopen($image_tag, "r");
unset($image_data);
while ($tem_buffer=AddSlashes(fread($img_file_con, filesize($image_tag))))
$image_data .=$tem_buffer;
fclose($img_file_con);
$filedata['context']=$image_data;
$filedata['filename']=basename($image_tag);
$extension=substr($image_tag, strrpos($image_tag, "."), strlen($image_tag) - strrpos($image_tag, "."));
switch ($extension) {
case ".gif":
$filedata['type']="image/gif";
break;
case ".gz":
$filedata['type']="application/x-gzip";
break;
case ".htm":
$filedata['type']="text/html";
break;
case ".html":
$filedata['type']="text/html";
break;
case ".jpg":
$filedata['type']="image/jpeg";
break;
case ".tar":
$filedata['type']="application/x-tar";
break;
case ".txt":
$filedata['type']="text/plain";
break;
case ".zip":
$filedata['type']="application/zip";
break;
default:
$filedata['type']="application/octet-stream";
break;
}
return $filedata;
}
}