QwikClock is an employee time tracking app.
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<?php
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* This file contains global settings and utility functions.
*/
ob_start(); // allow sending headers after content
// Settings file
require __DIR__ . '/settings.php';
// Unicode, solves almost all stupid encoding problems
header('Content-Type: text/html; charset=utf-8');
// Strip PHP version
header('X-Powered-By: PHP');
// Security
header('X-Content-Type-Options: nosniff');
header('X-XSS-Protection: 1; mode=block');
header('X-Frame-Options: "DENY"');
header('Referrer-Policy: "no-referrer, strict-origin-when-cross-origin"');
$SECURE_NONCE = base64_encode(random_bytes(8));
$session_length = 60 * 60 * 1; // 1 hour
ini_set('session.gc_maxlifetime', $session_length);
session_set_cookie_params($session_length, "/", null, false, false);
session_start(); // stick some cookies in it
// renew session cookie
setcookie(session_name(), session_id(), time() + $session_length, "/", false, false);
$captcha_server = (CAPTCHA_ENABLED === true ? preg_replace("/http(s)?:\/\//", "", CAPTCHA_SERVER) : "");
if ($_SESSION['mobile'] === TRUE) {
header("Content-Security-Policy: "
. "default-src 'self';"
. "object-src 'none'; "
. "img-src * data:; "
. "media-src 'self'; "
. "frame-src 'none'; "
. "font-src 'self'; "
. "connect-src *; "
. "style-src 'self' 'unsafe-inline' $captcha_server; "
. "script-src 'self' 'unsafe-inline' $captcha_server");
} else {
header("Content-Security-Policy: "
. "default-src 'self';"
. "object-src 'none'; "
. "img-src * data:; "
. "media-src 'self'; "
. "frame-src 'none'; "
. "font-src 'self'; "
. "connect-src *; "
. "style-src 'self' 'nonce-$SECURE_NONCE' $captcha_server; "
. "script-src 'self' 'nonce-$SECURE_NONCE' $captcha_server");
}
//
// Composer
require __DIR__ . '/vendor/autoload.php';
// List of alert messages
require __DIR__ . '/lang/messages.php';
// text strings (i18n)
require __DIR__ . '/lang/' . LANGUAGE . ".php";
/**
* Kill off the running process and spit out an error message
* @param string $error error message
*/
function sendError($error) {
global $SECURE_NONCE;
die("<!DOCTYPE html>"
. "<meta charset=\"UTF-8\">"
. "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">"
. "<title>Error</title>"
. "<style nonce=\"" . $SECURE_NONCE . "\">"
. "h1 {color: red; font-family: sans-serif; font-size: 20px; margin-bottom: 0px;} "
. "h2 {font-family: sans-serif; font-size: 16px;} "
. "p {font-family: monospace; font-size: 14px; width: 100%; wrap-style: break-word;} "
. "i {font-size: 12px;}"
. "</style>"
. "<h1>A fatal application error has occurred.</h1>"
. "<i>(This isn't your fault.)</i>"
. "<h2>Details:</h2>"
. "<p>" . htmlspecialchars($error) . "</p>");
}
date_default_timezone_set(TIMEZONE);
// Database settings
// Also inits database and stuff
use Medoo\Medoo;
$database;
try {
$database = new Medoo([
'database_type' => DB_TYPE,
'database_name' => DB_NAME,
'server' => DB_SERVER,
'username' => DB_USER,
'password' => DB_PASS,
'charset' => DB_CHARSET
]);
} catch (Exception $ex) {
//header('HTTP/1.1 500 Internal Server Error');
sendError("Database error. Try again later. $ex");
}
if (!DEBUG) {
error_reporting(0);
} else {
error_reporting(E_ALL);
ini_set('display_errors', 'On');
}
$VARS;
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$VARS = $_POST;
define("GET", false);
} else {
$VARS = $_GET;
define("GET", true);
}
/**
* Checks if a string or whatever is empty.
* @param $str The thingy to check
* @return boolean True if it's empty or whatever.
*/
function is_empty($str) {
return (is_null($str) || !isset($str) || $str == '');
}
/**
* I18N string getter. If the key doesn't exist, outputs the key itself.
* @param string $key I18N string key
* @param boolean $echo whether to echo the result or return it (default echo)
*/
function lang($key, $echo = true) {
if (array_key_exists($key, STRINGS)) {
$str = STRINGS[$key];
} else {
trigger_error("Language key \"$key\" does not exist in " . LANGUAGE, E_USER_WARNING);
$str = $key;
}
if ($echo) {
echo $str;
} else {
return $str;
}
}
/**
* I18N string getter (with builder). If the key doesn't exist, outputs the key itself.
* @param string $key I18N string key
* @param array $replace key-value array of replacements.
* If the string value is "hello {abc}" and you give ["abc" => "123"], the
* result will be "hello 123".
* @param boolean $echo whether to echo the result or return it (default echo)
*/
function lang2($key, $replace, $echo = true) {
if (array_key_exists($key, STRINGS)) {
$str = STRINGS[$key];
} else {
trigger_error("Language key \"$key\" does not exist in " . LANGUAGE, E_USER_WARNING);
$str = $key;
}
foreach ($replace as $find => $repl) {
$str = str_replace("{" . $find . "}", $repl, $str);
}
if ($echo) {
echo $str;
} else {
return $str;
}
}
function dieifnotloggedin() {
if ($_SESSION['loggedin'] != true) {
sendError("Session expired. Please log out and log in again.");
}
}
/**
* Check if the previous database action had a problem.
* @param array $specials int=>string array with special response messages for SQL errors
*/
function checkDBError($specials = []) {
global $database;
$errors = $database->error();
if (!is_null($errors[1])) {
foreach ($specials as $code => $text) {
if ($errors[1] == $code) {
sendError($text);
}
}
sendError("A database error occurred:<br /><code>" . $errors[2] . "</code>");
}
}
/*
* http://stackoverflow.com/a/20075147
*/
if (!function_exists('base_url')) {
function base_url($atRoot = FALSE, $atCore = FALSE, $parse = FALSE) {
if (isset($_SERVER['HTTP_HOST'])) {
$http = isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off' ? 'https' : 'http';
$hostname = $_SERVER['HTTP_HOST'];
$dir = str_replace(basename($_SERVER['SCRIPT_NAME']), '', $_SERVER['SCRIPT_NAME']);
$core = preg_split('@/@', str_replace($_SERVER['DOCUMENT_ROOT'], '', realpath(dirname(__FILE__))), NULL, PREG_SPLIT_NO_EMPTY);
$core = $core[0];
$tmplt = $atRoot ? ($atCore ? "%s://%s/%s/" : "%s://%s/") : ($atCore ? "%s://%s/%s/" : "%s://%s%s");
$end = $atRoot ? ($atCore ? $core : $hostname) : ($atCore ? $core : $dir);
$base_url = sprintf($tmplt, $http, $hostname, $end);
} else
$base_url = 'http://localhost/';
if ($parse) {
$base_url = parse_url($base_url);
if (isset($base_url['path']))
if ($base_url['path'] == '/')
$base_url['path'] = '';
}
return $base_url;
}
}
function redirectIfNotLoggedIn() {
if ($_SESSION['loggedin'] !== TRUE) {
header('Location: ' . URL . '/index.php');
die("You are not logged in.");
}
require_once __DIR__ . "/lib/login.php";
if (account_has_permission($_SESSION['username'], "QWIKCLOCK") == FALSE) {
header('Location: ./index.php');
die("You don't have permission to be here.");
}
}