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<?php
/* InstaDisc Update - A Four Island Project */
include('xmlrpc/xmlrpc.inc');
$wgExtensionCredits['other'][] = array(
'name' => 'InstaDisc',
'author' => 'Starla Insigna',
'url' => 'http://instadisc.org/MediaWiki',
'description' => 'This plugin provides an InstaDisc feed for your MediaWiki wiki, a page-change subscription.'
);
$wgHooks['ArticleSaveComplete'][] = 'instaDisc_sendItem';
function instaDisc_sendItem(&$article, &$user, &$text, &$summary, &$minoredit, &$watchthis, &$sectionanchor, &$flags, &$revision)
{
global $instaDisc_title, $instaDisc_password;
if (!isset($instaDisc_title))
{
return false;
}
$title = $article->getTitle()->getText();
$author = $user->getName();
$url = $article->getTitle()->getFullURL();
$subscriptionURL = 'http://' . $_SERVER['SERVER_NAME'] . '/page-change/' . generateSlug($instaDisc_title) . '/';
$encID = 0;
if ((!isset($instaDisc_password) && ($instaDisc_password != '')) && (extension_loaded('mcrypt')))
{
$encID = encryptData($title, $author, $url, $instaDisc_password);
}
$verID = rand(1,2147483647);
$client = new xmlrpc_client('http://rpc.instadisc.org');
$msg = new xmlrpcmsg("InstaDisc.sendFromUpdate", array( new xmlrpcval($subscriptionURL, 'string'),
new xmlrpcval($title, 'string'),
new xmlrpcval($author, 'string'),
new xmlrpcval($url, 'string'),
new xmlrpcval(serialize(array()), 'string'),
new xmlrpcval($encID, 'int')));
$resp = $client->send($msg);
$val = $resp->value()->scalarVal();
if ($val == 2)
{
instaDisc_sendItem($article, $user, $text, $summary, $minoredit, $watchthis, $sectionanchor, $flags, $revision);
} else if ($val == 0)
{
return true;
} else {
return false;
}
}
function generateSlug($title)
{
$title = preg_replace('/[^A-Za-z0-9]/','-',$title);
$title = preg_replace('/-{2,}/','-',$title);
if (substr($title,0,1) == '-')
{
$title = substr($title,1);
}
if (substr($title,strlen($title)-1,1) == '-')
{
$title = substr($title,0,strlen($title)-1);
}
$title = strtolower($title);
return($title);
}
function encryptData(&$title, &$author, &$url, $password)
{
$encID = rand(1,2147483647);
$cipher = "rijndael-128";
$mode = "cbc";
$key = substr(md5(substr(str_pad($password,16,$encID),0,16)),0,16);
$td = mcrypt_module_open($cipher, "", $mode, "");
$title = encryptString($td, $key, $title);
$author = encryptString($td, $key, $author);
$url = encryptString($td, $key, $url);
mcrypt_module_close($td);
return $encID;
}
function encryptString($td, $key, $string)
{
mcrypt_generic_init($td, $key, strrev($key));
$string = bin2hex(mcrypt_generic($td, $string));
mcrypt_generic_deinit($td);
return $string;
}
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