107 lines
2.9 KiB
PHP
107 lines
2.9 KiB
PHP
<?php
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/**
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* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
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* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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namespace OCA\DAV\Files;
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use OC_Template;
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use OCP\AppFramework\Http\ContentSecurityPolicy;
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use OCP\IConfig;
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use OCP\IRequest;
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use Sabre\DAV\Exception;
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use Sabre\DAV\Server;
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use Sabre\DAV\ServerPlugin;
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class ErrorPagePlugin extends ServerPlugin {
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private ?Server $server = null;
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public function __construct(
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private IRequest $request,
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private IConfig $config,
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) {
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}
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/**
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* This initializes the plugin.
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*
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* This function is called by Sabre\DAV\Server, after
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* addPlugin is called.
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*
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* This method should set up the required event subscriptions.
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*/
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public function initialize(Server $server): void {
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$this->server = $server;
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$server->on('exception', [$this, 'logException'], 1000);
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}
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public function logException(\Throwable $ex): void {
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if ($ex instanceof Exception) {
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$httpCode = $ex->getHTTPCode();
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$headers = $ex->getHTTPHeaders($this->server);
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} else {
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$httpCode = 500;
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$headers = [];
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}
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$this->server->httpResponse->addHeaders($headers);
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$this->server->httpResponse->setStatus($httpCode);
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$body = $this->generateBody($ex, $httpCode);
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$this->server->httpResponse->setBody($body);
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$csp = new ContentSecurityPolicy();
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$this->server->httpResponse->addHeader('Content-Security-Policy', $csp->buildPolicy());
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$this->sendResponse();
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}
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/**
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* @codeCoverageIgnore
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* @return bool|string
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*/
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public function generateBody(\Throwable $ex, int $httpCode): mixed {
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if ($this->acceptHtml()) {
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$templateName = 'exception';
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$renderAs = 'guest';
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if ($httpCode === 403 || $httpCode === 404) {
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$templateName = (string)$httpCode;
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}
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} else {
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$templateName = 'xml_exception';
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$renderAs = null;
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$this->server->httpResponse->setHeader('Content-Type', 'application/xml; charset=utf-8');
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}
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$debug = $this->config->getSystemValueBool('debug', false);
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$content = new OC_Template('core', $templateName, $renderAs);
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$content->assign('title', $this->server->httpResponse->getStatusText());
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$content->assign('remoteAddr', $this->request->getRemoteAddress());
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$content->assign('requestID', $this->request->getId());
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$content->assign('debugMode', $debug);
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$content->assign('errorClass', get_class($ex));
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$content->assign('errorMsg', $ex->getMessage());
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$content->assign('errorCode', $ex->getCode());
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$content->assign('file', $ex->getFile());
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$content->assign('line', $ex->getLine());
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$content->assign('exception', $ex);
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return $content->fetchPage();
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}
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/**
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* @codeCoverageIgnore
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*/
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public function sendResponse() {
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$this->server->sapi->sendResponse($this->server->httpResponse);
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}
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private function acceptHtml(): bool {
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foreach (explode(',', $this->request->getHeader('Accept')) as $part) {
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$subparts = explode(';', $part);
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if (str_ends_with($subparts[0], '/html')) {
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return true;
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}
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}
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return false;
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}
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}
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