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Parse Steamgifts.com to automatically have a chance to win Steam games based on a games list.
#!/bin/sh
while true
do
/usr/bin/php SteamGiftsScript.php &
printf "\n"
date +'%m/%d/%Y %H:%M:%S'
printf "\n"
sleep 7200
done
<?php
// To start script --> nohup ./sg.sh >> log.txt &
// To stop script --> ps -ef
// then kill -9 pid
// Some variables
$GLOBALS['user_agent'] = 'Mozilla/5.0 (Windows NT 6.2; WOW64; rv:17.0) Gecko/20100101 Firefox/17.0';
$GLOBALS['main_url'] = "http://www.steamgifts.com/";
$GLOBALS['numberOfPages'] = 12;
// These variables needs to be change when cookie expires
$GLOBALS['cookie'] = "PHPSESSID=af3715b65f9ff0ac5c72dc76bdf967afecf75a9965f93e4646f3e62f375b9591f0508b4a9770eb207eda9d0699adc876c0a9030441e871e1e6d1841c947fc287; path:/";
$GLOBALS['xsrf'] = "a75f3fd636826b14507faf5055becb5f";
main();
function main()
{
// Variables
$file_name = "TheGamesList.txt";
//$GLOBALS['games_list'] = explode("\n", file_get_contents($file_name));
$GLOBALS['games_list'] = file($file_name, FILE_IGNORE_NEW_LINES);
// Proceed to the first page
doRequests($GLOBALS['main_url'], 1);
}
function doRequests($current_url, $current_page)
{
$html = getRequest($current_url);
// Create a new DOM Document to handle scraping
$dom = new DOMDocument();
// In HTML5, there is no DTD to check, which will make DOM use the HTML4 Transitional DTD
// and that doesnt contain those elements, hence the Warnings
libxml_use_internal_errors(true);
$res = $dom->loadHTML($html);
libxml_use_internal_errors(false);
$xpath = new DomXPath($dom);
$class = 'giveaway__summary';
$divs = $xpath->query("//*[contains(concat(' ', normalize-space(@class), ' '), ' $class ')]");
foreach ($divs as $div) {
$node = $div->getElementsByTagName('h2')->item(0)->getElementsByTagName('a')->item(0);
$line = $node->nodeValue;
if (match($line, $GLOBALS['games_list'])) {
// Get the url
$game_url = $node->attributes->getNamedItem('href')->nodeValue;
$game_url = $GLOBALS['main_url'] . $game_url;
echo "Entering " . $game_url . PHP_EOL;
// Launch a new request
postRequest($game_url);
}
}
// Proceed to the next page
if ($current_page < $GLOBALS['numberOfPages']) {
++$current_page;
$next_url = "http://www.steamgifts.com/giveaways/search?page=" . $current_page;
doRequests($next_url, $current_page);
}
}
function getRequest($url)
{
// Initialize curl and following options
$ch = curl_init();
curl_setopt_array($ch, array(
CURLOPT_RETURNTRANSFER => 1,
CURLOPT_URL => $url,
CURLOPT_USERAGENT => $GLOBALS['user_agent'],
CURLOPT_COOKIE => $GLOBALS['cookie']
));
// Grab the html from the page
$html = curl_exec($ch);
if (!$html) {
echo "An error append with the request" . PHP_EOL;
exit();
}
curl_close($ch);
return $html;
}
function postRequest($url)
{
$post_url = 'http://www.steamgifts.com/ajax.php';
$str_start = "/giveaway/";
$str_end = "/";
$do = "entry_insert";
$code = getStringBetween($url, $str_start, $str_end);
$fields = array(
'xsrf_token' => urlencode($GLOBALS['xsrf']),
'do' => urlencode($do),
'code' => urlencode($code)
);
$fields_string = createFieldsString($fields);
// Execute post request
$ch = curl_init();
curl_setopt_array($ch, array(
CURLOPT_RETURNTRANSFER => 1,
CURLOPT_URL => $post_url,
CURLOPT_POST => count($fields),
CURLOPT_POSTFIELDS => $fields_string,
CURLOPT_USERAGENT => $GLOBALS['user_agent'],
CURLOPT_COOKIE => $GLOBALS['cookie']
));
$result = curl_exec($ch);
curl_close($ch);
}
function createFieldsString($fields)
{
$fields_string = "";
foreach ($fields as $key => $value) {
$fields_string .= $key . '=' . $value . '&';
}
$fields_string = rtrim($fields_string, '&');
return $fields_string;
}
function contains($str, array $arr)
{
foreach ($arr as $a) {
if (stripos($str, $a) !== false)
return true;
}
return false;
}
function match($str, array $arr)
{
foreach ($arr as $a) {
if ($str === $a)
return true;
}
return false;
}
function getStringBetween($string, $start, $end)
{
$string = " " . $string;
$ini = strpos($string, $start);
if ($ini == 0)
return "";
$ini += strlen($start);
$len = strpos($string, $end, $ini) - $ini;
return substr($string, $ini, $len);
}
?>
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