106 lines
4.4 KiB
PHP
106 lines
4.4 KiB
PHP
<?php
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/**
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* This file is designed to be the new 'server' of sites using StaticPublisher.
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* to use this, you need to modify your .htaccess to point all requests to
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* static-main.php, rather than main.php. This file also allows for using
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* static publisher with the subsites module.
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*
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* If you are using StaticPublisher+Subsites, set the following in _config.php:
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* FilesystemPublisher::$domain_based_caching = true;
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* and added main site host mapping in subsites/host-map.php after everytime a new subsite is created or modified
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*
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* If you are not using subsites, the host-map.php file will not exist (it is
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* automatically generated by the Subsites module) and the cache will default
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* to no subdirectory.
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*/
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$cacheEnabled = true;
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$cacheDebug = false;
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$cacheBaseDir = '../cache/'; // Should point to the same folder as FilesystemPublisher->destFolder
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// Optional settings for FilesystemPublisher::$domain_based_mapping=TRUE
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$hostmapLocation = '../subsites/host-map.php';
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$homepageMapLocation = '../assets/_homepage-map.php';
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if (
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$cacheEnabled
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&& empty($_COOKIE['bypassStaticCache'])
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// No GET params other than cache relevant config is passed (e.g. "?stage=Stage"),
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// which would mean that we have to bypass the cache
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&& count(array_diff(array_keys($_GET), array('url', 'cacheSubdir'))) == 0
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// Request is not POST (which would have to be handled dynamically)
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&& count($_POST) == 0
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) {
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// Define system paths (copied from Core.php)
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if(!defined('BASE_PATH')) {
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// Assuming that this file is sapphire/static-main.php we can then determine the base path
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define('BASE_PATH', rtrim(dirname(dirname(__FILE__))), DIRECTORY_SEPARATOR);
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}
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if(!defined('BASE_URL')) {
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// Determine the base URL by comparing SCRIPT_NAME to SCRIPT_FILENAME and getting common elements
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$path = realpath($_SERVER['SCRIPT_FILENAME']);
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if(substr($path, 0, strlen(BASE_PATH)) == BASE_PATH) {
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$urlSegmentToRemove = substr($path, strlen(BASE_PATH));
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if(substr($_SERVER['SCRIPT_NAME'], -strlen($urlSegmentToRemove)) == $urlSegmentToRemove) {
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$baseURL = substr($_SERVER['SCRIPT_NAME'], 0, -strlen($urlSegmentToRemove));
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define('BASE_URL', rtrim($baseURL, DIRECTORY_SEPARATOR));
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}
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}
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}
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$url = $_GET['url'];
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// Remove base folders from the URL if webroot is hosted in a subfolder
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if (substr(strtolower($url), 0, strlen(BASE_URL)) == strtolower(BASE_URL)) {
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$url = substr($url, strlen(BASE_URL));
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}
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$host = str_replace('www.', '', $_SERVER['HTTP_HOST']);
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// Custom cache dir for debugging purposes
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if (isset($_GET['cacheSubdir']) && !preg_match('/[^a-zA-Z0-9\-_]/', $_GET['cacheSubdir'])) {
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$cacheDir = $_GET['cacheSubdir'].'/';
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}
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// Custom mapping through PHP file (assumed FilesystemPublisher::$domain_based_mapping=TRUE)
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else if (file_exists($hostmapLocation)) {
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include_once $hostmapLocation;
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$subsiteHostmap['default'] = isset($subsiteHostmap['default']) ? $subsiteHostmap['default'] : '';
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$cacheDir = (isset($subsiteHostmap[$host]) ? $subsiteHostmap[$host] : $subsiteHostmap['default']) . '/';
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}
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// No subfolder (for FilesystemPublisher::$domain_based_mapping=FALSE)
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else {
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$cacheDir = '';
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}
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// Look for the file in the cachedir
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$file = trim($url, '/');
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$file = $file ? $file : 'index';
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// Route to the 'correct' index file (if applicable)
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if ($file == 'index' && file_exists($homepageMapLocation)) {
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include_once $homepageMapLocation;
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$file = isset($homepageMap[$_SERVER['HTTP_HOST']]) ? $homepageMap[$_SERVER['HTTP_HOST']] : $file;
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}
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// Find file by extension (either *.html or *.php)
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$file = preg_replace('/[^a-zA-Z0-9\/\-_]/si', '-', $file);
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if (file_exists($cacheBaseDir . $cacheDir . $file . '.html')) {
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header('X-SilverStripe-Cache: hit at '.@date('r'));
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echo file_get_contents($cacheBaseDir . $cacheDir . $file . '.html');
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if ($cacheDebug) echo "<h1>File was cached</h1>";
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} elseif (file_exists($cacheBaseDir . $cacheDir . $file . '.php')) {
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header('X-SilverStripe-Cache: hit at '.@date('r'));
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include_once $cacheBaseDir . $cacheDir . $file . '.php';
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if ($cacheDebug) echo "<h1>File was cached</h1>";
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} else {
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header('X-SilverStripe-Cache: miss at '.@date('r') . ' on ' . $cacheDir . $file);
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// No cache hit... fallback to dynamic routing
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include 'main.php';
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if ($cacheDebug) echo "<h1>File was NOT cached</h1>";
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}
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} else {
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// Fall back to dynamic generation via normal routing if caching has been explicitly disabled
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include 'main.php';
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}
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?>
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