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Bluzume 2021-10-24 00:33:34 -04:00
parent 9a5ad7a62f
commit 056805a3b8
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game-site/web/common.php Normal file
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<?php
function hash_salt(string $input, string $salt)
{
$output = hash('sha512',$input,true);
$len=strlen(bin2hex($output))/2;
$xor_hash = "";
for($i = 0; $i < $len; $i++)
{
$xor_hash .= $output[$i] ^ $salt[$i];
}
return hash('sha512',$xor_hash,false);
}
function base64_url_encode($input) {
return strtr(base64_encode($input), '+/=', '._-');
}
function base64_url_decode($input) {
return base64_decode(strtr($input, '._-', '+/='));
}
function is_logged_in()
{
if(session_status() !== PHP_SESSION_ACTIVE)
return false;
if(isset($_SESSION["LOGGED_IN"]))
if($_SESSION["LOGGED_IN"] === "YES")
return true;
return false;
}
function user_exists(string $username)
{
include('config.php');
$usernameUppercase = strtoupper($username);
$connect = mysqli_connect($dbhost, $dbuser, $dbpass,$dbname) or die("Unable to connect to '$dbhost'");
$stmt = $connect->prepare("SELECT COUNT(1) FROM Users WHERE UPPER(Username)=?");
$stmt->bind_param("s", $usernameUppercase);
$stmt->execute();
$result = $stmt->get_result();
$count = intval($result->fetch_row()[0]);
return $count>0;
}
function get_username(string $id)
{
include('config.php');
$connect = mysqli_connect($dbhost, $dbuser, $dbpass,$dbname) or die("Unable to connect to '$dbhost'");
$stmt = $connect->prepare("SELECT Username FROM Users WHERE Id=?");
$stmt->bind_param("i", $id);
$stmt->execute();
$result = $stmt->get_result();
$usetname = $result->fetch_row()[0];
return $usetname;
}
function get_userid(string $username)
{
include('config.php');
$connect = mysqli_connect($dbhost, $dbuser, $dbpass,$dbname) or die("Unable to connect to '$dbhost'");
$usernameUppercase = strtoupper($username);
$stmt = $connect->prepare("SELECT Id FROM Users WHERE UPPER(Username)=?");
$stmt->bind_param("s", $usernameUppercase);
$stmt->execute();
$result = $stmt->get_result();
$id = intval($result->fetch_row()[0]);
return $id;
}
function get_sex(int $userid)
{
include('config.php');
$connect = mysqli_connect($dbhost, $dbuser, $dbpass,$dbname) or die("Unable to connect to '$dbhost'");
$stmt = $connect->prepare("SELECT Gender FROM Users WHERE Id=?");
$stmt->bind_param("i", $userid);
$stmt->execute();
$result = $stmt->get_result();
return $result->fetch_row()[0];
}
function get_admin(int $userid)
{
include('config.php');
$connect = mysqli_connect($dbhost, $dbuser, $dbpass,$dbname) or die("Unable to connect to '$dbhost'");
$stmt = $connect->prepare("SELECT Admin FROM Users WHERE Id=?");
$stmt->bind_param("i", $userid);
$stmt->execute();
$result = $stmt->get_result();
return $result->fetch_row()[0];
}
function get_mod(int $userid)
{
include('config.php');
$connect = mysqli_connect($dbhost, $dbuser, $dbpass,$dbname) or die("Unable to connect to '$dbhost'");
$stmt = $connect->prepare("SELECT Moderator FROM Users WHERE Id=?");
$stmt->bind_param("i", $userid);
$stmt->execute();
$result = $stmt->get_result();
return $result->fetch_row()[0];
}
function get_password_hash(int $userid)
{
include('config.php');
$connect = mysqli_connect($dbhost, $dbuser, $dbpass,$dbname) or die("Unable to connect to '$dbhost'");
$stmt = $connect->prepare("SELECT PassHash FROM Users WHERE Id=?");
$stmt->bind_param("i", $userid);
$stmt->execute();
$result = $stmt->get_result();
return $result->fetch_row()[0];
}
function get_salt(int $userid)
{
include('config.php');
$connect = mysqli_connect($dbhost, $dbuser, $dbpass,$dbname) or die("Unable to connect to '$dbhost'");
$stmt = $connect->prepare("SELECT Salt FROM Users WHERE Id=?");
$stmt->bind_param("i", $userid);
$stmt->execute();
$result = $stmt->get_result();
return $result->fetch_row()[0];
}
function check_password(int $userId, string $password)
{
$passhash = get_password_hash($userId);
$passsalt = hex2bin(get_salt($userId));
$acturalhash = hash_salt($password, $passsalt);
if($acturalhash === $passhash)
return true;
else
return false;
}
function populate_db()
{
include('config.php');
$connect = mysqli_connect($dbhost, $dbuser, $dbpass,$dbname) or die("Unable to connect to '$dbhost'");
mysqli_query($connect, "CREATE TABLE IF NOT EXISTS Users(Id INT, Username TEXT(16),Email TEXT(128),Country TEXT(128),SecurityQuestion Text(128),SecurityAnswerHash TEXT(128),Age INT,PassHash TEXT(128), Salt TEXT(128),Gender TEXT(16), Admin TEXT(3), Moderator TEXT(3))");
}
function startsWith( $haystack, $needle ) {
$length = strlen( $needle );
return substr( $haystack, 0, $length ) === $needle;
}
function endsWith( $haystack, $needle ) {
$length = strlen( $needle );
if( !$length ) {
return true;
}
return substr( $haystack, -$length ) === $needle;
}
?>