InstapageCmsPluginLPAjaxLoaderController.php in Instapage plugin 8.3
Same filename and directory in other branches
File
core/modules/lpAjaxLoader/InstapageCmsPluginLPAjaxLoaderController.phpView source
<?php
/**
* Class InstapageCmsPluginLPAjaxLoaderController
*
* This controller solves problem that on some hostings `utm_` params are stripped,
* so we passed them endoded with base64 to backend of plugin by JS Ajax Loader
*/
class InstapageCmsPluginLPAjaxLoaderController {
const AJAX_REQUEST_FLAG_NAME = 'landingPageAjaxLoaderRequest';
const PANTHEON_STRIPPED = 'PANTHEON_STRIPPED';
/**
* Check if it is pantheon hosting platform and check if utm_ variables are replaced
* Also Check if it is WP Engine hosting and if it is not already request from Ajax Loader JS
* Also Check if client manually enabled LP Ajax Loader
*
* @param string $url URL of landing page that plugin tries to load
* @return bool
*/
public function shouldBeUsed($url) {
return isset($_ENV['PANTHEON_ENVIRONMENT']) && strpos($url, self::PANTHEON_STRIPPED) !== false || isset($_ENV['WPENGINE_ACCOUNT']) && strpos($url, self::AJAX_REQUEST_FLAG_NAME) === false || InstapageCmsPluginHelper::getMetadata('lpAjaxLoader', false) && strpos($url, self::AJAX_REQUEST_FLAG_NAME) === false;
}
/**
* Check if query should be decoded
* Query can contains b64 param and it needs to be decode to be used
*
* @return bool
*/
public function shouldDecodeQuery() {
return (isset($_ENV['PANTHEON_ENVIRONMENT']) || isset($_ENV['WPENGINE_ACCOUNT']) || InstapageCmsPluginHelper::getMetadata('lpAjaxLoader', false)) && isset($_GET['b64']);
}
/**
* Get view containing Ajax loader
*
* @return false|string
*/
public function getView() {
ob_start();
include __DIR__ . '/view.php';
return ob_get_clean();
}
/**
* Inject loading script. This script is responsible for base64 encoding query to it is not altered/stripped
* by custom caching layers (as Pantheon for example does)
*
* @param $html string Whole landing page html
* @return string
*/
public function injectScript($html) {
$headTag = '<head>';
$scriptTag = $this
->getView();
return str_replace($headTag, $headTag . $scriptTag, $html);
}
/**
* Set display on body in passed $html
*
* @param $html string Whole landing page html
* @return string
*/
public function addDisplayNoneOnBody($html) {
$bodyTag = '<body';
return str_replace($bodyTag, $bodyTag . ' style="display: none"', $html);
}
}Classes
Name |
Description |
|---|---|
| InstapageCmsPluginLPAjaxLoaderController | Class InstapageCmsPluginLPAjaxLoaderController |