php uses curl to simulate logging into discuz and simulating posting

php uses curl to simulate logging into discuz and simulating posting_PHP tutorial

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Release： 2016-07-20 11:14:44

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$discuz_url = 'http://127.0.0.1/discuz/';//Forum address
$login_url = $discuz_url .'logging.php?action=login ';//Login page address

$post_fields = array();
//The following two items do not need to be modified
$post_fields['loginfield'] = 'username';
$post_fields['loginsubmit'] = 'true';
//Username and password must be filled in
$post_fields['username'] = 'tianxin';
$post_fields['password'] = '111111';
// Security question
$post_fields['questionid'] = 0;
$post_fields['answer'] = '';
//@todo verification code
$post_fields['seccoverify'] = ' ';

//Get the form FORMHASH
$ch = curl_init($login_url);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$ contents = curl_exec($ch);
curl_close($ch);
preg_match('//i', $contents, $matches);
if(!empty($matches)) {
$formhash = $matches[1];
} else {
die('Not found the forumhash.');
}

//POST data, obtain COOKIE, and put the cookie file in the temp directory of the website
$cookie_file = tempnam('./temp','cookie');

$ch = curl_init($login_url);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, 1) ;
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_fields);
curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_file);
curl_exec($ch);
curl_close($ch);

//After getting the key cookie file, you can use the cookie file to simulate posting, fid is the column ID of the forum
$send_url = $discuz_url."post.php?action=newthread&fid=2";

$ch = curl_init($send_url);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_COOKIEFILE , $cookie_file);
$contents = curl_exec($ch);
curl_close($ch);

//The hash code here is different from the hash code in the login window. The hidden here has an additional id attribute
preg_match('//i', $contents, $matches);
if(!empty($matches)) {
$formhash = $matches[1];
} else {
die('Not found the forumhash.');
}

$post_data = array();
//Post title
$post_data['subject'] = 'test2';
//Post content
$post_data['message '] = 'test2';
$post_data['topicsubmit'] = "yes";
$post_data['extra'] = '';
//Post tag
$post_data[' tags'] = 'test';
//The hash code of the post, this is very critical! If this hash code is missing, discuz will warn you that the page you came from is incorrect
$post_data['formhash']=$formhash;

$ch = curl_init($send_url);
curl_setopt($ch, CURLOPT_REFERER, $send_url); //Disguise REFERER
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 0);
curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
$contents = curl_exec($ch);
curl_close($ch);

//Clean cookie file
unlink($cookie_file);