Discuz X2 function sendmail 发送邮件函数

dly · 发表于 2012-11-8 20:09:57

DISCUZ X2 function sendmail 发送邮件函数
感谢 : Saion.LooTan,kookxiang 两位mm提供的信息 3Q

function sendmail($toemail, $subject, $message, $from = '') {
global $_G;
if(!is_array($_G['setting']['mail'])) {
$_G['setting']['mail'] = unserialize($_G['setting']['mail']);
}
$_G['setting']['mail']['server'] = $_G['setting']['mail']['port'] = $_G['setting']['mail']['auth'] = $_G['setting']['mail']['from'] = $_G['setting']['mail']['auth_username'] = $_G['setting']['mail']['auth_password'] = '';
if($_G['setting']['mail']['mailsend'] != 1) {
$smtpnum = count($_G['setting']['mail']['smtp']);
if($smtpnum) {
$rid = rand(0, $smtpnum-1);
$smtp = $_G['setting']['mail']['smtp'][$rid];
$_G['setting']['mail']['server'] = $smtp['server'];
$_G['setting']['mail']['port'] = $smtp['port'];
$_G['setting']['mail']['auth'] = $smtp['auth'] ? 1 : 0;
$_G['setting']['mail']['from'] = $smtp['from'];
$_G['setting']['mail']['auth_username'] = $smtp['auth_username'];
$_G['setting']['mail']['auth_password'] = $smtp['auth_password'];
}
}
$message = preg_replace("/href\="(?!http\:\/\/)(.+?)"/i", 'href="'.$_G['siteurl'].'\\1"', $message);
$message = <<
$subject
$subject
$message
EOT;
$maildelimiter = $_G['setting']['mail']['maildelimiter'] == 1 ? "\r\n" : ($_G['setting']['mail']['maildelimiter'] == 2 ? "\r" : "\n");
$mailusername = isset($_G['setting']['mail']['mailusername']) ? $_G['setting']['mail']['mailusername'] : 1;
$_G['setting']['mail']['port'] = $_G['setting']['mail']['port'] ? $_G['setting']['mail']['port'] : 25;
$_G['setting']['mail']['mailsend'] = $_G['setting']['mail']['mailsend'] ? $_G['setting']['mail']['mailsend'] : 1;
if($_G['setting']['mail']['mailsend'] == 3) {
$email_from = empty($from) ? $_G['setting']['adminemail'] : $from;
} else {
$email_from = $from == '' ? '=?'.CHARSET.'?B?'.base64_encode($_G['setting']['sitename'])."?= <".$_G['setting']['adminemail'].">" : (preg_match('/^(.+?) \<(.+?)\>$/',$from, $mats) ? '=?'.CHARSET.'?B?'.base64_encode($mats[1])."?= <$mats[2]>" : $from);
}
$email_to = preg_match('/^(.+?) \<(.+?)\>$/',$toemail, $mats) ? ($mailusername ? '=?'.CHARSET.'?B?'.base64_encode($mats[1])."?= <$mats[2]>" : $mats[2]) : $toemail;
$email_subject = '=?'.CHARSET.'?B?'.base64_encode(preg_replace("/[\r|\n]/", '', '['.$_G['setting']['sitename'].'] '.$subject)).'?=';
$email_message = chunk_split(base64_encode(str_replace("\n", "\r\n", str_replace("\r", "\n", str_replace("\r\n", "\n", str_replace("\n\r", "\r", $message))))));
$host = $_SERVER['HTTP_HOST'];
$version = $_G['setting']['version'];
$headers = "From: $email_from{$maildelimiter}X-Priority: 3{$maildelimiter}X-Mailer: $host $version {$maildelimiter}MIME-Version: 1.0{$maildelimiter}Content-type: text/html; charset=".CHARSET."{$maildelimiter}Content-Transfer-Encoding: base64{$maildelimiter}";
if($_G['setting']['mail']['mailsend'] == 1) {
if(function_exists('mail') && @mail($email_to, $email_subject, $email_message, $headers)) {
return true;
}
return false;
} elseif($_G['setting']['mail']['mailsend'] == 2) {
if(!$fp = fsockopen($_G['setting']['mail']['server'], $_G['setting']['mail']['port'], $errno, $errstr, 30)) {
runlog('SMTP', "({$_G[setting][mail][server]}:{$_G[setting][mail][port]}) CONNECT - Unable to connect to the SMTP server", 0);
return false;
}
stream_set_blocking($fp, true);
$lastmessage = fgets($fp, 512);
if(substr($lastmessage, 0, 3) != '220') {
runlog('SMTP', "{$_G[setting][mail][server]}:{$_G[setting][mail][port]} CONNECT - $lastmessage", 0);
return false;
}
fputs($fp, ($_G['setting']['mail']['auth'] ? 'EHLO' : 'HELO')." uchome\r\n");
$lastmessage = fgets($fp, 512);
if(substr($lastmessage, 0, 3) != 220 && substr($lastmessage, 0, 3) != 250) {
runlog('SMTP', "({$_G[setting][mail][server]}:{$_G[setting][mail][port]}) HELO/EHLO - $lastmessage", 0);
return false;
}
while(1) {
if(substr($lastmessage, 3, 1) != '-' || empty($lastmessage)) {
break;
}
$lastmessage = fgets($fp, 512);
}
if($_G['setting']['mail']['auth']) {
fputs($fp, "AUTH LOGIN\r\n");
$lastmessage = fgets($fp, 512);
if(substr($lastmessage, 0, 3) != 334) {
runlog('SMTP', "({$_G[setting][mail][server]}:{$_G[setting][mail][port]}) AUTH LOGIN - $lastmessage", 0);
return false;
}
fputs($fp, base64_encode($_G['setting']['mail']['auth_username'])."\r\n");
$lastmessage = fgets($fp, 512);
if(substr($lastmessage, 0, 3) != 334) {
runlog('SMTP', "({$_G[setting][mail][server]}:{$_G[setting][mail][port]}) USERNAME - $lastmessage", 0);
return false;
}
fputs($fp, base64_encode($_G['setting']['mail']['auth_password'])."\r\n");
$lastmessage = fgets($fp, 512);
if(substr($lastmessage, 0, 3) != 235) {
runlog('SMTP', "({$_G[setting][mail][server]}:{$_G[setting][mail][port]}) PASSWORD - $lastmessage", 0);
return false;
}
$email_from = $_G['setting']['mail']['from'];
}
fputs($fp, "MAIL FROM: <".preg_replace("/.*\<(.+?)\>.*/", "\\1", $email_from).">\r\n");
$lastmessage = fgets($fp, 512);
if(substr($lastmessage, 0, 3) != 250) {
fputs($fp, "MAIL FROM: <".preg_replace("/.*\<(.+?)\>.*/", "\\1", $email_from).">\r\n");
$lastmessage = fgets($fp, 512);
if(substr($lastmessage, 0, 3) != 250) {
runlog('SMTP', "({$_G[setting][mail][server]}:{$_G[setting][mail][port]}) MAIL FROM - $lastmessage", 0);
return false;
}
}
fputs($fp, "RCPT TO: <".preg_replace("/.*\<(.+?)\>.*/", "\\1", $toemail).">\r\n");
$lastmessage = fgets($fp, 512);
if(substr($lastmessage, 0, 3) != 250) {
fputs($fp, "RCPT TO: <".preg_replace("/.*\<(.+?)\>.*/", "\\1", $toemail).">\r\n");
$lastmessage = fgets($fp, 512);
runlog('SMTP', "({$_G[setting][mail][server]}:{$_G[setting][mail][port]}) RCPT TO - $lastmessage", 0);
return false;
}
fputs($fp, "DATA\r\n");
$lastmessage = fgets($fp, 512);
if(substr($lastmessage, 0, 3) != 354) {
runlog('SMTP', "({$_G[setting][mail][server]}:{$_G[setting][mail][port]}) DATA - $lastmessage", 0);
return false;
}
$headers .= 'Message-ID: <'.gmdate('YmdHs').'.'.substr(md5($email_message.microtime()), 0, 6).rand(100000, 999999).'@'.$_SERVER['HTTP_HOST'].">{$maildelimiter}";
fputs($fp, "Date: ".gmdate('r')."\r\n");
fputs($fp, "To: ".$email_to."\r\n");
fputs($fp, "Subject: ".$email_subject."\r\n");
fputs($fp, $headers."\r\n");
fputs($fp, "\r\n\r\n");
fputs($fp, "$email_message\r\n.\r\n");
$lastmessage = fgets($fp, 512);
if(substr($lastmessage, 0, 3) != 250) {
runlog('SMTP', "({$_G[setting][mail][server]}:{$_G[setting][mail][port]}) END - $lastmessage", 0);
}
fputs($fp, "QUIT\r\n");
return true;
} elseif($_G['setting']['mail']['mailsend'] == 3) {
ini_set('SMTP', $_G['setting']['mail']['server']);
ini_set('smtp_port', $_G['setting']['mail']['port']);
ini_set('sendmail_from', $email_from);
if(function_exists('mail') && @mail($email_to, $email_subject, $email_message, $headers)) {
return true;
}
return false;
}
}

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[二次开发] Discuz X2 function sendmail 发送邮件函数

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