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Captcheck/required.php

144 lines
4.1 KiB
PHP

<?php
/**
* This file contains global settings and utility functions.
*/
ob_start(); // allow sending headers after content
//
// Unicode, solves almost all stupid encoding problems
header('Content-Type: application/json; charset=utf-8');
header('X-Content-Type-Options: nosniff');
header('Access-Control-Allow-Origin: *');
$session_length = (60 * 60) * 8; // 1 hour x 8 = 8 hours
session_set_cookie_params($session_length, "/", null, false, true);
session_start(); // stick some cookies in it
// renew session cookie
setcookie(session_name(), session_id(), time() + $session_length);
// Composer
require __DIR__ . '/vendor/autoload.php';
require __DIR__ . '/settings.php';
/**
* Kill off the running process and spit out an error message
* @param string $error error message
* @param string $fault who's fault the error is: "server" (default) or "client".
*/
function sendError($error, $fault = "server") {
if ($fault == "server") {
header('HTTP/1.1 500 Internal Server Error');
$code = 500;
} else {
header('HTTP/1.1 400 Bad Request');
$code = 400;
}
die(json_encode(["error" => $error, "code" => $code]));
}
// 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) {
sendError("Database error. Try again later.");
}
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) || $str == '');
}
/*
* http://stackoverflow.com/a/20075147/2534036
*/
if (!function_exists('base_url')) {
function base_url($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;
}
}
/**
* Attempts to discover the user's IP address.
* @return string IP string or "NOT FOUND".
*/
function getUserIP() {
$ip = "";
if (isset($_SERVER["HTTP_CF_CONNECTING_IP"])) {
$ip = $_SERVER["HTTP_CF_CONNECTING_IP"];
} else if (isset($_SERVER["HTTP_CLIENT_IP"])) {
$ip = $_SERVER["HTTP_CLIENT_IP"];
} else if (isset($_SERVER["HTTP_X_FORWARDED_FOR"])) {
$ip = $_SERVER["HTTP_X_FORWARDED_FOR"];
} else if (isset($_SERVER["HTTP_X_FORWARDED"])) {
$ip = $_SERVER["HTTP_X_FORWARDED"];
} else if (isset($_SERVER["HTTP_FORWARDED_FOR"])) {
$ip = $_SERVER["HTTP_FORWARDED_FOR"];
} else if (isset($_SERVER["HTTP_FORWARDED"])) {
$ip = $_SERVER["HTTP_FORWARDED"];
} else if (isset($_SERVER["REMOTE_ADDR"])) {
$ip = $_SERVER["REMOTE_ADDR"];
} else {
$ip = "NOT FOUND";
}
return $ip;
}