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<?php
class SaeMail extends SaeObject
{
private $_accesskey = "";
private $_secretkey = "";
private $_errno=SAE_Success;
private $_errmsg="OK";
private $_count = 0;
private $_attachSize = 0;
private $_post = array();
private $_allowedAttachType = array("bmp","css","csv","gif","htm","html","jpeg","jpg","jpe","pdf","png","rss","text","txt","asc","diff","pot","tiff","tif","wbmp","ics","vcf");
const DISPOSITION_ATTACH = 'A';
const DISPOSITION_INLINE = 'I';
private $_disposition = array( "bmp"=>self::DISPOSITION_INLINE, "css"=>self::DISPOSITION_ATTACH,
"csv"=>self::DISPOSITION_ATTACH, "gif"=>self::DISPOSITION_INLINE,
"htm"=>self::DISPOSITION_INLINE,"html"=>self::DISPOSITION_INLINE,
"jpeg"=>self::DISPOSITION_INLINE,"jpg"=>self::DISPOSITION_INLINE,
"jpe"=>self::DISPOSITION_INLINE, "pdf"=>self::DISPOSITION_ATTACH,
"png"=>self::DISPOSITION_INLINE, "rss"=>self::DISPOSITION_INLINE,
"text"=>self::DISPOSITION_ATTACH,"txt"=>self::DISPOSITION_ATTACH,
"asc"=>self::DISPOSITION_ATTACH,"diff"=>self::DISPOSITION_ATTACH,
"pot"=>self::DISPOSITION_ATTACH,"tiff"=>self::DISPOSITION_ATTACH,
"tif"=>self::DISPOSITION_ATTACH,"wbmp"=>self::DISPOSITION_INLINE,
"ics"=>self::DISPOSITION_INLINE,"vcf"=>self::DISPOSITION_INLINE,);
private $msp = array("sina.com" => array("smtp.sina.com",25,0),
"sina.cn" => array("smtp.sina.cn",25,0),
"163.com" => array("smtp.163.com",25,0),
"263.com" => array("smtp.263.com",25,0),
"gmail.com" => array("smtp.gmail.com",587,1),
"sohu.com" => array("smtp.sohu.com",25,0),
"qq.com" => array("smtp.qq.com",25,0),
"vip.qq.com" => array("smtp.qq.com",25,0),
"126.com" => array("smtp.126.com",25,0),
);
const baseurl = "http://mail.sae.sina.com.cn:81/index.php";
const mail_limitsize = 10485760;
const subject_limitsize = 256;
function __construct($options = array()) {
$this->_accesskey = SAE_ACCESSKEY;
$this->_secretkey = SAE_SECRETKEY;
$this->setOpt($options);
}
public function setOpt( $options ) {
if (isset($options['subject']) && strlen($options['subject']) > self::subject_limitsize) {
$this->_errno = SAE_ErrParameter;
$this->_errmsg = "subject cannot larger than ".self::subject_limitsize." bytes";
return false;
}
if(isset($options['content']))
$this->_count = $this->_attachSize + strlen($options['content']);
if($this->_count > self::mail_limitsize) {
$this->_errno = SAE_ErrParameter;
$this->_errmsg = "mail size cannot larger than ".self::subject_limitsize." bytes";
return false;
}
$this->_post = array_merge($this->_post, $options);
return true;
}
public function clean() {
$this->_post = array();
$this->_count = 0;
$this->_attachSize = 0;
return true;
}
function quickSend($to, $subject, $msgbody, $smtp_user, $smtp_pass, $smtp_host='', $smtp_port=25, $smtp_tls=false)
{
$to = trim($to);
$subject = trim($subject);
$msgbody = trim($msgbody);
$smtp_user = trim($smtp_user);
$smtp_host = trim($smtp_host);
$smtp_port = intval($smtp_port);
$this->_count = strlen($msgbody) + $this->_attachSize;
if(strlen($subject) > self::subject_limitsize) {
$_errno = SAE_ErrParameter;
$this->_errmsg = "subject cannot larger than ".self::subject_limitsize." bytes";
return false;
}
if($this->_count > self::mail_limitsize) {
$this->_errno = SAE_ErrParameter;
$this->_errmsg = "mail size cannot larger than ".self::subject_limitsize." bytes";
return false;
}
if (filter_var($smtp_user, FILTER_VALIDATE_EMAIL)) {
preg_match('/([^@]+)@(.*)/', $smtp_user, $match);
$user = $match[1]; $host = $match[2];
if(empty($smtp_host)) {
if(isset($this->msp[$host])) {
$smtp_host = $this->msp[$host][0];
} else {
$this->_errno = SAE_ErrParameter;
$this->_errmsg = "you can set smtp_host explicitly or choose msp from sina,gmail,163,265,netease,qq,sohu,yahoo";
return false;
}
}
if($smtp_port == 25 and isset($this->msp[$host])) {
$smtp_port = $this->msp[$host][1];
}
if(!$smtp_tls and isset($this->msp[$host])) {
$smtp_tls = $this->msp[$host][2];
}
$smtp_tls = ($smtp_tls == true);
$username = $user;
} else {
$this->_errno = SAE_ErrParameter;
$this->_errmsg = "invalid email address";
return false;
}
$this->_post = array_merge($this->_post, array("from"=>$smtp_user, "smtp_username"=>$username, "smtp_password"=>$smtp_pass, "smtp_host"=>$smtp_host, "smtp_port"=>$smtp_port, 'to'=>$to,'subject'=>$subject,'content'=>$msgbody, 'tls'=>$smtp_tls));
return $this->send();
}
public function errno() {
return $this->_errno;
}
public function errmsg() {
return $this->_errmsg;
}
public function setAuth( $accesskey, $secretkey) {
$accesskey = trim($accesskey);
$secretkey = trim($secretkey);
$this->_accesskey = $accesskey;
$this->_secretkey = $secretkey;
return true;
}
public function setAttach($attach) {
if(!is_array($attach)) {
$this->_errmsg = "attach parameter must be an array!";
$this->_errno = SAE_ErrParameter;
return false;
}
$this->_attachSize = 0;
foreach($attach as $fn=>$blob) {
$items = explode(".", $fn);
$suffix = end($items);
if(!in_array($suffix, $this->_allowedAttachType)) {
$this->_errno = SAE_ErrParameter;
$this->_errmsg = "Invalid attachment type";
return false;
}
$this->_attachSize += strlen($blob);
$this->_count = $this->_attachSize + strlen($this->_post['content']);
if($this->_count > self::mail_limitsize) {
$this->_errno = SAE_ErrForbidden;
$this->_errmsg = "mail size cannot larger than ".self::mail_limitsize." bytes";
return false;
}
$this->_post = array_merge($this->_post, array("attach:$fn:B:".$this->_disposition[$suffix] => base64_encode($blob)));
}
return true;
}
public function send() {
$missed_keys = array();
foreach ( array('from', 'to', 'smtp_host', 'smtp_username', 'smtp_password', 'subject') as $key ) {
if ( empty($this->_post[$key]) ) {
$missed_keys[] = $key;
}
}
if ( !empty($missed_keys) ) {
$this->_errno = SAE_ErrParameter;
$this->_errmsg = "parameters " . join(', ', $missed_keys) . " can no be empty";
return false;
}
if($this->_count > self::mail_limitsize) {
$this->_errno = SAE_ErrForbidden;
$this->_errmsg = "mail size cannot larger than ".self::mail_limitsize." bytes";
return false;
}
if ( isset($this->_post['charset']) ) {
$charset = strtolower($this->_post['charset']);
$content_conved = @iconv($charset, 'utf-8', $this->_post['content']);
if ($content_conved)
$this->_post['content'] = $content_conved;
$subject_conved = @iconv($charset, 'utf-8', $this->_post['subject']);
if ($subject_conved)
$this->_post['subject'] = $subject_conved;
$this->_post['charset'] = 'utf-8';
}
$tobepost = json_encode($this->_post);
for($i = 0; $i < 3; $i++) {
if ($this->postData(array("saemail"=>$tobepost))) {
return true;
} else {
sleep(0.2);
}
}
return false;
}
private function postData($post) {
$url = self::baseurl;
$s = curl_init();
curl_setopt($s,CURLOPT_URL,$url);
curl_setopt($s,CURLOPT_HTTP_VERSION,CURL_HTTP_VERSION_1_0);
curl_setopt($s,CURLOPT_TIMEOUT,5);
curl_setopt($s,CURLOPT_RETURNTRANSFER,true);
curl_setopt($s,CURLOPT_HEADER, 1);
curl_setopt($s,CURLINFO_HEADER_OUT, true);
curl_setopt($s,CURLOPT_HTTPHEADER, $this->genReqestHeader($post));
curl_setopt($s,CURLOPT_POST,true);
curl_setopt($s,CURLOPT_POSTFIELDS,$post);
$ret = curl_exec($s);
$info = curl_getinfo($s);
$error = curl_error($s);
curl_close($s);
if(empty($info['http_code']) || $info['http_code'] != 200) {
$this->_errno = SAE_ErrInternal;
$this->_errno = 'curl error: ' . $error . ' http_code: '. $info['http_code'];
return false;
} else {
if($info['size_download'] == 0) {
$header = substr($ret, 0, $info['header_size']);
$mailheader = $this->extractCustomHeader("MailError", $header);
if($mailheader == false) {
$this->_errno = SAE_ErrUnknown;
$this->_errmsg = "unknown error";
return false;
}
$err = explode(",", $mailheader, 2);
$this->_errno = $err[0];
$this->_errmsg = $err[1];
return false;
} else {
$body = substr($ret, -$info['size_download']);
$body = json_decode(trim($body), true);
$this->_errno = $body['errno'];
$this->_errmsg = $body['errmsg'];
if ($body['errno'] != 0) {
return false;
}
}
}
return true;
}
private function genSignature($content, $secretkey) {
$sig = base64_encode(hash_hmac('sha256',$content,$secretkey,true));
return $sig;
}
private function genReqestHeader($post) {
$timestamp = date('Y-m-d H:i:s');
$cont1 = "ACCESSKEY".$this->_accesskey."TIMESTAMP".$timestamp;
$reqhead = array("TimeStamp: $timestamp","AccessKey: ".$this->_accesskey, "Signature: " . $this->genSignature($cont1, $this->_secretkey));
return $reqhead;
}
private function extractCustomHeader($key, $header) {
$pattern = '/'.$key.'(.*?)'."\n/";
if (preg_match($pattern, $header, $result)) {
return $result[1];
} else {
return false;
}
}
}