mirror of
https://github.com/AlexKrunch/AnonIB-3D.git
synced 2024-11-25 20:48:30 -05:00
199 lines
4.7 KiB
PHP
199 lines
4.7 KiB
PHP
<?php
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/*
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__ __ __
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/ / / /__ / /___ ___ __________
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/ /_/ / _ \/ / __ \/ _ \/ ___/ ___/
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/ __ / __/ / /_/ / __/ / (__ )
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/_/ /_/\___/_/ .___/\___/_/ /____/
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/_/
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Static function to help
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*/
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require_once "./Utils/Constants.php";
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class Helpers
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{
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/**
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* Construct won't be called inside this class and is uncallable from
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* the outside. This prevents instantiating this class.
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* This is by purpose, because we want a static class.
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*/
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private function __construct() {}
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private static $initialized = false;
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private static function initialize()
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{
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if (self::$initialized)
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return;
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self::$initialized = true;
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}
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/**
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* Serialize the LarZer data in Array.
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*/
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public static function getDataFromLazer($lazerObj)
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{
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self::initialize();
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$lazerObj = (array) $lazerObj;
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if(array_key_exists ( '' . "\0" . '*' . "\0" . 'data' , $lazerObj ) && $lazerObj[ '' . "\0" . '*' . "\0" . 'data'] != null){
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$lazerObj = (array) $lazerObj[ '' . "\0" . '*' . "\0" . 'data'];
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} else if(array_key_exists ( '' . "\0" . '*' . "\0" . 'set' , $lazerObj ) && $lazerObj[ '' . "\0" . '*' . "\0" . 'set'] != null){
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$lazerObj = (array) $lazerObj[ '' . "\0" . '*' . "\0" . 'set'];
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}
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return $lazerObj;
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}
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/**
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* Get the dead line to consider a player as inactive.
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* (surival of a video game version of the forum)
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*/
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public static function getDeadline()
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{
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self::initialize();
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$currentTimeStamp = time();
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$deadLine = $currentTimeStamp - 3600;
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return $deadLine;
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}
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/**
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* Get the dead line to consider a player should be deleted.
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* (surival of a video game version of the forum)
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*/
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public static function getDeletionline()
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{
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self::initialize();
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$currentTimeStamp = time();
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$deadLine = $currentTimeStamp - 3600*24;
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return $deadLine;
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}
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/**
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* make a generic response for Web services
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*/
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public static function makeGenericResponse($isOk, $result, $error)
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{
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self::initialize();
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//prepare the result
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$response = array(
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'ok' => $isOk,
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'result' => $result,
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'error' => $error
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);
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header("Content-type: application/json");
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echo json_encode($response);
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exit();
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}
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/**
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* Get the user IP
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*/
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public static function getClientIp() {
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// IP si internet partagé
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if (isset($_SERVER['HTTP_CLIENT_IP'])) {
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return $_SERVER['HTTP_CLIENT_IP'];
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}
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// IP derrière un proxy
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elseif (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
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return $_SERVER['HTTP_X_FORWARDED_FOR'];
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}
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// Sinon : IP normale
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else {
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return (isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '');
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}
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}
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/**
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* CHECK IF BASE64 code is an image
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*/
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public static function check_base64_image($base64) {
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$img = imagecreatefromstring(base64_decode($base64));
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if (!$img) {
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return false;
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}
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imagepng($img, 'tmp.png');
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$info = getimagesize('tmp.png');
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unlink('tmp.png');
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if ($info[0] > 0 && $info[1] > 0 && $info['mime']) {
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return true;
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}
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return false;
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}
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/*
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* Check Base64 size
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*/
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public static function getBase64ImageSize($base64Image){ //return memory size in B, KB, MB
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try{
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$size_in_bytes = (int) (strlen(rtrim($base64Image, '=')) * 3 / 4);
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$size_in_kb = $size_in_bytes / 1024;
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return $size_in_kb;
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}
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catch(Exception $e){
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return $e;
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}
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}
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/**
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* Generate random Token
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*/
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public static function generateToken(){
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//Generate a random string.
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$token = openssl_random_pseudo_bytes(16);
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//Convert the binary data into hexadecimal representation.
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return bin2hex($token);
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}
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/**
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* Hash password
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*/
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public static function hash_pw($plain_pw)
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{
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// (optional) change logic here for different hash algorithm
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//return password_hash($plain_pw, PASSWORD_DEFAULT);
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return md5($plain_pw);
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}
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/**
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* Verify hashed password
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*/
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public static function verify_pw($plain_pw, $hashed_pw)
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{
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// (optional) change logic here for different hash algorithm
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//return password_verify($plain_pw, $hashed_pw);
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return (md5($plain_pw)==$hashed_pw);
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}
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/**
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* Get Real File Name
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*/
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public static function getRealFileName($fileName_)
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{
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return md5($fileName_.'_'.Constants::CONST_IMAGE_SALT);
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}
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} |