pacman/html/data/db-handler.php
Adolfo Delorenzo b116d1d6ea first commit
2021-10-11 17:45:00 -06:00

119 lines
3.4 KiB
PHP

<?php header('Content-Type: application/json');
/* IMPORTANT:
* change this to the main url of where you host the application, otherwise, every entry will be marked as a cheater
*/
$hostdomain = 'pacman.platzh1rsch.ch';
if (isset($_POST['action'])) {
switch ($_POST['action']) {
case 'get':
if (isset($_POST['page'])) {
echo getHighscore($_POST['page']);
} else {
echo getHighscore();
}
break;
case 'add':
if (isset($_POST['name']) || isset($_POST['score']) || isset($_POST['level']))
echo addHighscore($_POST['name'], $_POST['score'], $_POST['level']);
break;
}
} else if (isset($_GET['action'])) {
if ($_GET['action'] == 'get') {
if (isset($_GET['page'])) {
echo getHighscore($_GET['page']);
} else {
echo getHighscore();
}
} else if ($_GET['action'] == 'version') {
echo getVersionInfo();
}
} else echo "define action to call";
function getVersionInfo()
{
$strJsonFileContents = file_get_contents("../package.json");
// Convert to array
$array = json_decode($strJsonFileContents, true);
$response["version"] = $array["version"];
if (!isset($response) || is_null($response)) {
return "[]";
} else {
return json_encode($response);
}
}
function getHighscore($page = 1)
{
$db = new SQLite3('pacman.db');
createDataBase($db);
$results = $db->query('SELECT name, score FROM highscore WHERE cheater = 0 AND name != "" ORDER BY score DESC LIMIT 10 OFFSET ' . ($page - 1) * 10);
while ($row = $results->fetchArray()) {
$tmp["name"] = htmlspecialchars($row['name']);
$tmp["score"] = strval($row['score']);
$response[] = $tmp;
}
if (!isset($response) || is_null($response)) {
return "[]";
} else {
return json_encode($response);
}
}
function addHighscore($name, $score, $level)
{
global $hostdomain;
$db = new SQLite3('pacman.db');
$date = date('Y-m-d h:i:s', time());
createDataBase($db);
$ref = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : "";
$ua = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : "";
$remA = isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : "";
$remH = isset($_SERVER['REMOTE_HOST']) ? $_SERVER['REMOTE_HOST'] : "";
// some simple checks to avoid cheaters
$ref_assert = preg_match('/http(s)?:\/\/.*' . $hostdomain . '/', $ref) > 0;
$ua_assert = ($ua != "");
$cheater = 0;
if (!$ref_assert || !$ua_assert) {
$cheater = 1;
}
$maxlvlpoints_pills = 104 * 10;
$maxlvlpoints_powerpills = 4 * 50;
$maxlvlpoints_ghosts = 4 * 4 * 100;
$maxlvlpoints = $maxlvlpoints_pills + $maxlvlpoints_powerpills + $maxlvlpoints_ghosts;
// check if score is even possible
if ($level < 1 || $level > 10) {
$cheater = 1;
} else if (($score / $level) > $maxlvlpoints) {
$cheater = 1;
}
$name_clean = htmlspecialchars($name);
$score_clean = htmlspecialchars($score);
$db->exec('INSERT INTO highscore (name, score, level, date, log_referer, log_user_agent, log_remote_addr, log_remote_host, cheater)VALUES(?,?,?,?,?,?,?,?,?)', $name_clean, $score_clean, $level, $date, $ref, $ua, $remA, $remH, $cheater);
$response['status'] = "success";
$response['level'] = $level;
$response['name'] = $name;
$response['score'] = $score;
$response['cheater'] = $cheater;
return json_encode($response);
}
function createDataBase($db)
{
$db->exec('CREATE TABLE IF NOT EXISTS highscore(name VARCHAR(60),score INT, level INT, date DATETIME, log_referer VARCHAR(200), log_user_agent VARCHAR(200), log_remote_addr VARCHAR(200), log_remote_host VARCHAR(200), cheater BOOLEAN)');
}