105 lines
3.1 KiB
PHP
105 lines
3.1 KiB
PHP
<?php
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/**
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* @package staticpublisher
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*/
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class RebuildStaticCacheTask extends BuildTask {
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public function run($request) {
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StaticPublisher::set_echo_progress(true);
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$page = singleton('Page');
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if(!$page->hasMethod('allPagesToCache')) {
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user_error(
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'RebuildStaticCacheTask::index(): Please define a method "allPagesToCache()" on your Page class to return all pages affected by a cache refresh.',
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E_USER_ERROR
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);
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}
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if(!empty($_GET['urls'])) $urls = $_GET['urls'];
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else $urls = $page->allPagesToCache();
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$this->rebuildCache($urls, true);
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}
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/**
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* Rebuilds the static cache for the pages passed through via $urls
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*
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* @param array $urls The URLs of pages to re-fetch and cache.
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* @param bool $removeAll Remove all stale cache files (default TRUE).
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*/
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function rebuildCache($urls, $removeAll = true) {
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if(!is_array($urls)) {
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// $urls must be an array
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user_error("Rebuild cache must be passed an array of urls. Make sure your allPagesToCache function returns an array", E_USER_ERROR);
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return;
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};
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if(!Director::is_cli()) echo "<pre>\n";
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echo "Rebuilding cache.\nNOTE: Please ensure that this page ends with 'Done!' - if not, then something may have gone wrong.\n\n";
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$page = singleton('Page');
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$cacheBaseDir = $page->getDestDir();
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if(!file_exists($cacheBaseDir)) {
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Filesystem::makeFolder($cacheBaseDir);
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}
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if (file_exists($cacheBaseDir.'/lock') && !isset($_REQUEST['force'])) die("There already appears to be a publishing queue running. You can skip warning this by adding ?/&force to the URL.");
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touch($cacheBaseDir.'/lock');
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// Note: Similiar to StaticPublisher->republish()
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foreach($urls as $i => $url) {
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if($url && !is_string($url)) {
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user_error("Bad URL: " . var_export($url, true), E_USER_WARNING);
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continue;
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}
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// Remove leading slashes from all URLs (apart from the homepage)
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if(substr($url,-1) == '/' && $url != '/') $url = substr($url,0,-1);
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$urls[$i] = $url;
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}
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$urls = array_unique($urls);
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sort($urls);
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$mappedUrls = $page->urlsToPaths($urls);
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$start = isset($_GET['start']) ? $_GET['start'] : 0;
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$count = isset($_GET['count']) ? $_GET['count'] : sizeof($urls);
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if(($start + $count) > sizeof($urls)) $count = sizeof($urls) - $start;
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$urls = array_slice($urls, $start, $count);
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if($removeAll && !isset($_GET['urls']) && $start == 0 && file_exists("../cache")) {
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echo "Removing stale cache files... \n";
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flush();
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if (FilesystemPublisher::$domain_based_caching) {
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// Glob each dir, then glob each one of those
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foreach(glob(BASE_PATH . '/cache/*', GLOB_ONLYDIR) as $cacheDir) {
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foreach(glob($cacheDir.'/*') as $cacheFile) {
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$searchCacheFile = trim(str_replace($cacheBaseDir, '', $cacheFile), '\/');
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if (!in_array($searchCacheFile, $mappedUrls)) {
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echo " * Deleting $cacheFile\n";
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@unlink($cacheFile);
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}
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}
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}
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} else {
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}
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echo "done.\n\n";
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}
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echo "Rebuilding cache from " . sizeof($mappedUrls) . " urls...\n\n";
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$page->extend('publishPages', $mappedUrls);
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if (file_exists($cacheBaseDir.'/lock')) unlink($cacheBaseDir.'/lock');
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echo "\n\n== Done! ==";
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}
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}
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