function check_captcha()
{
if ($_SERVER["REMOTE_ADDR"] == '::1') {
return true;
}
$resp = recaptcha_check_answer(\ui\config('recaptcha_private_key'), $_SERVER["REMOTE_ADDR"], isset($_POST["recaptcha_challenge_field"]) ? $_POST["recaptcha_challenge_field"] : '', isset($_POST["recaptcha_response_field"]) ? $_POST["recaptcha_response_field"] : '');
return $resp->is_valid;
}
function config($api, $key = false)
{
$config = \ui\config($api);
if ($key) {
if (isset($config[$key])) {
return $config[$key];
} else {
return NULL;
}
}
return $config;
}
function load($locale = false)
{
global $_LANG_POT;
if ($locale == false) {
if (isset($_REQUEST['lang'])) {
$locale = substr($_REQUEST['lang'], 0, 2);
} elseif (isset($_SESSION['lang_code'])) {
$locale = $_SESSION['lang_code'];
} elseif (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
$langs = array();
// break up string into pieces (languages and q factors)
preg_match_all('/([a-z]{1,8}(-[a-z]{1,8})?)\\s*(;\\s*q\\s*=\\s*(1|0\\.[0-9]+))?/i', $_SERVER['HTTP_ACCEPT_LANGUAGE'], $lang_parse);
if (count($lang_parse[1])) {
// create a list like "en" => 0.8
$langs = array_combine($lang_parse[1], $lang_parse[4]);
// set default to 1 for any without q factor
foreach ($langs as $lang => &$val) {
if ($val === '') {
$val = 1;
}
$val = (double) $val;
}
// sort list based on value
arsort($langs, SORT_NUMERIC);
}
// Check them all, until we find a match
foreach ($langs as $locale => $priority) {
// Turn en-gb into en
$locale = strtolower(substr($locale, 0, 2));
// Check its in the array. If so, break the loop, we have one!
if (file_exists(\ui\global_var('app_dir') . 'lang/' . $locale . '.php')) {
break;
}
}
}
}
$_LANG_POT = array();
$locale = preg_replace('[^a-z]', '', strtolower($locale));
if (!file_exists(\ui\global_var('app_dir') . 'lang/' . $locale . '.php')) {
$locale = \ui\config('lang');
} else {
$_SESSION['lang_code'] = $locale;
}
include 'lang/' . $locale . '.php';
$_LANG_POT['lang_code'] = $locale;
if (\ui\config('lang_write')) {
\ui\register_hook('exit', '\\ui\\lang\\write');
}
}
function s3_url($file, $bucket, $expires = 0)
{
$file = rawurlencode($file);
$file = str_replace('%2F', '/', $file);
$path = $bucket . '/' . $file;
if ($expires === 0) {
$expires = time() + 24 * 3600;
}
$str = utf8_encode("GET\n\n\n{$expires}\n//{$path}");
$str = hash_hmac('sha1', $str, \ui\config('aws_secret'), true);
$str = base64_encode($str);
$str = urlencode($str);
$url = "http://{$bucket}.s3.amazonaws.com/{$file}";
$url .= '?AWSAccessKeyId=' . \ui\config('aws_id') . '&Expires=' . $expires . '&Signature=' . $str;
return $url;
}
function update($specific = false)
{
$all_data =& data();
if (!$specific) {
foreach ($all_data as $container => &$data) {
file_put_contents(\ui\config('data_path') . $container . \ui\config('data_file_suffix'), serialize($data));
}
} else {
if (isset($all_data[$specific])) {
file_put_contents(\ui\config('data_path') . $specific . \ui\config('data_file_suffix'), serialize($all_data[$specific]));
return true;
} else {
return false;
}
}
}
function thumbnail($src, $thumb)
{
//thumbnailer
$post_src = @imagecreatefromstring(file_get_contents($src));
if (!$post_src) {
$type = pathinfo($src, PATHINFO_EXTENSION);
if ($type == 'jpeg' || $type == 'jpg') {
$post_src = imagecreatefromjpeg($src);
} elseif ($type == 'png') {
$post_src = imagecreatefrompng($src);
} elseif ($type == 'gif') {
$post_src = imagecreatefromgif($src);
} else {
error_log("\\ui\func\thumbnail(): Image format not recognised. src:{$src}");
return false;
}
if (!$post_src) {
error_log("\\ui\func\thumbnail(): Image format not recognised. src:{$src}");
return false;
}
}
$srcx = imagesx($post_src);
$srcy = imagesy($post_src);
$tarx = \ui\config('thumb_width');
$tary = \ui\config('thumb_height');
if ($tarx == 0) {
$tarx = $srcx / $srcy * $tary;
}
if ($tary == 0) {
$tary = $srcy / $srcx * $tarx;
}
$factor = $srcx / $tarx;
$dfactor = 1.5;
while ($factor >= $dfactor) {
//imagefilter($post_src,post_FILTER_SMOOTH,$dfactor/$factor);
imagecopyresampled($post_src, $post_src, 0, 0, 0, 0, ceil($srcx / $dfactor), ceil($srcy / $dfactor), $srcx, $srcy);
$srcx = ceil($srcx / $dfactor);
$srcy = ceil($srcy / $dfactor);
$factor = $srcx / $tarx;
}
$post_tar = imagecreatetruecolor($tarx, $tary);
imagecopyresampled($post_tar, $post_src, 0, 0, 0, 0, $tarx, $tary, $srcx, $srcy);
imagedestroy($post_src);
imagejpeg($post_tar, $thumb, 70);
imagedestroy($post_tar);
return true;
}
/**
* Exchanges a short token for a long one
* Note that if a short token has already been exchanged, it can't be exchanged again
* and a long token (if passed) will also return an error.
* @return array array({the long token},{expiry time, absolute}) on success, otherwise array(false,0)
*/
function exchange_token($token = false)
{
if ($token === false) {
$token = session('access_token');
}
$response = get('/oauth/access_token', array('client_id' => \ui\config('fb_id'), 'client_secret' => \ui\config('fb_secret'), 'grant_type' => 'fb_exchange_token', 'fb_exchange_token' => $token), false);
$params = array();
parse_str($response, $params);
if (isset($params['access_token'])) {
$token = $params['access_token'];
$expires = 59 * 3600 * 24 + time();
//default expiry is 60 days. subtracted 1 day for safe margin
session('access_token', $token);
session('expires', $expires);
return array($token, $expires);
} else {
error_log('\\ui\\fb\\exchange_token failed!' . PHP_EOL . $response . PHP_EOL);
}
return array(false, 0);
}
function log_out()
{
$timestamp = time() - 10;
setcookie(IID . '_login2_key', 0, $timestamp, '/');
setcookie(IID . '_login2_time', 0, $timestamp, '/');
setcookie(IID . '_login2_user', 0, $timestamp, '/');
if (!session_id()) {
session_start();
}
if (isset($_SESSION[IID . '_login2_key'])) {
unset($_SESSION[IID . '_login2_key']);
}
if (isset($_SESSION[IID . '_login2_time'])) {
unset($_SESSION[IID . '_login2_time']);
}
if (isset($_SESSION[IID . '_login2_user'])) {
unset($_SESSION[IID . '_login2_user']);
}
$guest = \ui\config('users');
$guest = $guest['guest'];
user(false, $guest);
}
function log_in($email, $pass, $remember = true)
{
$user =& user();
\ui\db\select(\ui\config('auth_table'), array('*'), "WHERE email='" . \ui\db\escape($email) . "' LIMIT 1");
$user = \ui\db\assoc();
if (!$user) {
$admin = \ui\config('auth_admin');
if ($email === $admin['email']) {
$user = $admin;
$user['password'] = pass($admin['password'], substr(\ui\config('salt'), 0, 8));
}
}
if (!$user) {
return false;
}
if (!check($pass, $user['password'])) {
$user = array();
if (DEBUG) {
error_log('FAILED LOGIN ATTEMPT FROM ' . $_SERVER['REMOTE_ADDR'] . ' ON ' . date('M d,Y h:i:s a P') . PHP_EOL);
}
return false;
}
if (!session_id()) {
session_start();
}
session_regenerate_id();
$timestamp = time();
$_SESSION[IID . '_login_time'] = $timestamp;
$_SESSION[IID . '_login_email'] = $user['email'];
$_SESSION[IID . '_login_key'] = make_key($user['email'], $user['password'], $timestamp);
if ($remember) {
setcookie(IID . '_login_key', $_SESSION[IID . '_login_key'], $timestamp + 3600 * 24 * 30, '/');
setcookie(IID . '_login_email', $_SESSION[IID . '_login_email'], $timestamp + 3600 * 24 * 30, '/');
setcookie(IID . '_login_time', $timestamp, $timestamp + 3600 * 24 * 30, '/');
}
return true;
}
function data_stop(&$var, $id)
{
$fname = \ui\config('cache_path') . $id . \ui\config('cache_file_suffix');
$fs = @fopen($fname, 'wb', FALSE);
if ($fs !== FALSE) {
flock($fs, LOCK_EX);
//Lock the file for safety
fwrite($fs, pack('N', time()));
fwrite($fs, serialize($var));
flock($fs, LOCK_UN);
fclose($fs);
return TRUE;
}
return FALSE;
}
