78 lines
2.2 KiB
PHP
78 lines
2.2 KiB
PHP
<?php
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/* Icinga Web 2 | (c) 2020 Icinga GmbH | GPLv2+ */
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namespace Icinga\Web\Controller;
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use Icinga\Application\Icinga;
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use Icinga\Web\Request;
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class StaticController
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{
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/**
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* Handle incoming request
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*
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* @param Request $request
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*
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* @returns void
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*/
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public function handle(Request $request)
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{
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$app = Icinga::app();
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// +4 because strlen('/lib') === 4
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$assetPath = ltrim(substr($request->getRequestUri(), strlen($request->getBaseUrl()) + 4), '/');
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$library = null;
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foreach ($app->getLibraries() as $candidate) {
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if (substr($assetPath, 0, strlen($candidate->getName())) === $candidate->getName()) {
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$library = $candidate;
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$assetPath = ltrim(substr($assetPath, strlen($candidate->getName())), '/');
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break;
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}
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}
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if ($library === null) {
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$app->getResponse()
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->setHttpResponseCode(404);
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return;
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}
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$assetRoot = $library->getStaticAssetPath();
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$filePath = $assetRoot . DIRECTORY_SEPARATOR . $assetPath;
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// Doesn't use realpath as it isn't supposed to access files outside asset/static
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if (! is_readable($filePath) || ! is_file($filePath)) {
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$app->getResponse()
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->setHttpResponseCode(404);
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return;
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}
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$fileStat = stat($filePath);
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$eTag = sprintf(
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'%x-%x-%x',
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$fileStat['ino'],
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$fileStat['size'],
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(float) str_pad($fileStat['mtime'], 16, '0')
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);
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$app->getResponse()->setHeader(
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'Cache-Control',
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'public, max-age=1814400, stale-while-revalidate=604800',
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true
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);
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if ($request->getServer('HTTP_IF_NONE_MATCH') === $eTag) {
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$app->getResponse()
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->setHttpResponseCode(304);
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} else {
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$app->getResponse()
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->setHeader('ETag', $eTag)
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->setHeader('Content-Type', mime_content_type($filePath), true)
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->setHeader('Last-Modified', gmdate('D, d M Y H:i:s', $fileStat['mtime']) . ' GMT')
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->setBody(file_get_contents($filePath));
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}
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}
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}
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