<?php
use dFramework\core\Helpers;
use dFramework\core\Config;
use dFramework\core\data\Request;
// ------------------------------------------------------------------------
if ( ! function_exists('is_https'))
{
/**
* Determines if the application is accessed via an encrypted * (HTTPS) connection.
*
* @return bool
*/
function is_https()
{
if ( ! empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off')
{
return TRUE;
}
elseif (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) === 'https')
{
return TRUE;
}
elseif ( ! empty($_SERVER['HTTP_FRONT_END_HTTPS']) && strtolower($_SERVER['HTTP_FRONT_END_HTTPS']) !== 'off')
{
return TRUE;
}
return FALSE;
}
}
if ( ! function_exists('is_localfile'))
{
/**
* Determines if the application is accessed via an encrypted * (HTTPS) connection.
*
* @return bool
*/
function is_localfile($name)
{
if(preg_match('#^'.Config::get('general.base_url').'#i', $name))
{
return true;
}
if(!preg_match('#^(https?://)#i', $name))
{
return true;
}
return false;
}
}
if(!function_exists('is_online'))
{
/**
* Test if a application is running in local or online
*
* @return bool
*/
function is_online()
{
return (
!in_array($_SERVER['HTTP_HOST'], ['localhost','127.0.0.1'])
AND !preg_match('#\.dev$#', $_SERVER['HTTP_HOST'])
AND !preg_match('#\.lab$#', $_SERVER['HTTP_HOST'])
AND !preg_match('#\.loc(al)?$#', $_SERVER['HTTP_HOST'])
AND !preg_match('#^192\.168#', $_SERVER['HTTP_HOST'])
);
}
}
if (!function_exists('is_ajax_request')) {
/**
* Test to see if a request contains the HTTP_X_REQUESTED_WITH header.
*
* @return bool
*/
function is_ajax_request()
{
return (new Request)->is_ajax();
}
}
if (!function_exists('ip_address')) {
/**
* Return IP Address of current user
*
* @return string
*/
function ip_address()
{
return Helpers::instance()->ip_address();
}
}
if (!function_exists('env')) {
/**
* Gets an environment variable from available sources, and provides emulation
* for unsupported or inconsistent environment variables (i.e. DOCUMENT_ROOT on
* IIS, or SCRIPT_NAME in CGI mode). Also exposes some additional custom
* environment information.
*
* @param string $key Environment variable name.
* @return string Environment variable setting.
* @credit CakePHP - http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#env
*/
function env($key)
{
if ($key === 'HTTPS') {
if (isset($_SERVER['HTTPS'])) {
return (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off');
}
return (strpos(env('SCRIPT_URI'), 'https://') === 0);
}
if ($key === 'SCRIPT_NAME') {
if (env('CGI_MODE') && isset($_ENV['SCRIPT_URL'])) {
$key = 'SCRIPT_URL';
}
}
$val = null;
if (isset($_SERVER[$key])) {
$val = $_SERVER[$key];
} elseif (isset($_ENV[$key])) {
$val = $_ENV[$key];
} elseif (getenv($key) !== false) {
$val = getenv($key);
}
if ($key === 'REMOTE_ADDR' && $val === env('SERVER_ADDR')) {
$addr = env('HTTP_PC_REMOTE_ADDR');
if ($addr !== null) {
$val = $addr;
}
}
if ($val !== null) {
return $val;
}
switch ($key) {
case 'DOCUMENT_ROOT':
$name = env('SCRIPT_NAME');
$filename = env('SCRIPT_FILENAME');
$offset = 0;
if (!strpos($name, '.php')) {
$offset = 4;
}
return substr($filename, 0, -(strlen($name) + $offset));
case 'PHP_SELF':
return str_replace(env('DOCUMENT_ROOT'), '', env('SCRIPT_FILENAME'));
case 'CGI_MODE':
return (PHP_SAPI === 'cgi');
case 'HTTP_BASE':
$host = env('HTTP_HOST');
$parts = explode('.', $host);
$count = count($parts);
if ($count === 1) {
return '.' . $host;
} elseif ($count === 2) {
return '.' . $host;
} elseif ($count === 3) {
$gTLD = array(
'aero',
'asia',
'biz',
'cat',
'com',
'coop',
'edu',
'gov',
'info',
'int',
'jobs',
'mil',
'mobi',
'museum',
'name',
'net',
'org',
'pro',
'tel',
'travel',
'xxx'
);
if (in_array($parts[1], $gTLD)) {
return '.' . $host;
}
}
array_shift($parts);
return '.' . implode('.', $parts);
}
return null;
}
}
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