Facebook send message automatic

facebook send message

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<?php

//username and password of account
$username = '';
$password = '';

$postinfo = "email=".urlencode($username)."&pass=".urlencode($password).'&login=Login';

$cookie_file_path =  dirname(__FILE__) . "/cookie.txt";

unlink ($cookie_file_path);

// Login Facebook & get User ID
$html = curl_post('https://m.facebook.com/login.php', 'POST' , $postinfo , $cookie_file_path);
$re = "/c_user=(.*?);/";
preg_match($re, $html, $uid);
$uid = $uid[1];

// Get fb_dtsg
$html =  curl_post('https://www.facebook.com/profile.php?id='.$uid[1], 'GET' , "" , $cookie_file_path);
$re = "/<input type=\"hidden\" name=\"fb_dtsg\" value=\"(.*?)\" autocomplete=\"off\" \\/>/"; 
preg_match($re, $html, $dtsg);
$dtsg = $dtsg[1];


// Init message & receiver
$message = "Chào mừng đến với cộng đồng Developer Đà Nẵng";
$receiver = '1270598335';

// Get Thread ID
$html = curl_post('https://m.facebook.com/messages/thread/'.$receiver,'GET','', $cookie_file_path);
$re = "/\?tid=(.*?)\&/"; 
preg_match($re, $html, $tid);
$tid=$tid[1];


// Send message to user
$dataPost = 'charset_test=%E2%82%AC%2C%C2%B4%2C%E2%82%AC%2C%C2%B4%2C%E6%B0%B4%2C%D0%94%2C%D0%84'.
'&tids='.$tid.
'&wwwupp=V3'.
'&body='.$message.
'&waterfall_source=message'.
'&m_sess='.
'&fb_dtsg='.$dtsg.
'&__req=1b'.
'&__user='.$receiver;

$html = curl_post('https://m.facebook.com/messages/send/?icm=1&refid=12', 'POST', $dataPost, $cookie_file_path);

echo $html;

function curl_post($url, $method, $postinfo, $cookie_file_path) {

$ch = curl_init();
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_NOBODY, false);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);

 curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_file_path);
//set the cookie the site has for certain features, this is optional
curl_setopt($ch,CURLOPT_COOKIEFILE, $cookie_file_path);
//curl_setopt($ch, CURLOPT_COOKIE, "cookiename=0");
curl_setopt($ch, CURLOPT_USERAGENT,
    "Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.12) Gecko/20050915 Firefox/1.0.7");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_REFERER, $_SERVER['REQUEST_URI']);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);

curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
if ($method=='POST') 
{
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $postinfo);
}
$html = curl_exec($ch);
curl_close($ch);
return $html;
}