nextcloud_server/lib/private/URLGenerator.php

351 lines
12 KiB
PHP

<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
* @author Bart Visscher <bartv@thisnet.nl>
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Daniel Rudolf <github.com@daniel-rudolf.de>
* @author Felix Epp <work@felixepp.de>
* @author Joas Schilling <coding@schilljs.com>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Julius Haertl <jus@bitgrid.net>
* @author Julius Härtl <jus@bitgrid.net>
* @author Lukas Reschke <lukas@statuscode.ch>
* @author mmccarn <mmccarn-github@mmsionline.us>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Robin McCorkell <robin@mccorkell.me.uk>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Thomas Tanghus <thomas@tanghus.net>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC;
use OC\Route\Router;
use OCA\Theming\ThemingDefaults;
use OCP\App\AppPathNotFoundException;
use OCP\App\IAppManager;
use OCP\ICacheFactory;
use OCP\IConfig;
use OCP\IRequest;
use OCP\IURLGenerator;
use OCP\IUserSession;
use RuntimeException;
/**
* Class to generate URLs
*/
class URLGenerator implements IURLGenerator {
/** @var IConfig */
private $config;
/** @var IUserSession */
public $userSession;
/** @var ICacheFactory */
private $cacheFactory;
/** @var IRequest */
private $request;
/** @var Router */
private $router;
/** @var null|string */
private $baseUrl = null;
private ?IAppManager $appManager = null;
public function __construct(IConfig $config,
IUserSession $userSession,
ICacheFactory $cacheFactory,
IRequest $request,
Router $router
) {
$this->config = $config;
$this->userSession = $userSession;
$this->cacheFactory = $cacheFactory;
$this->request = $request;
$this->router = $router;
}
private function getAppManager(): IAppManager {
if ($this->appManager !== null) {
return $this->appManager;
}
$this->appManager = \OCP\Server::get(IAppManager::class);
return $this->appManager;
}
/**
* Creates an url using a defined route
*
* @param string $routeName
* @param array $arguments args with param=>value, will be appended to the returned url
* @return string the url
*
* Returns a url to the given route.
*/
public function linkToRoute(string $routeName, array $arguments = []): string {
return $this->router->generate($routeName, $arguments);
}
/**
* Creates an absolute url using a defined route
* @param string $routeName
* @param array $arguments args with param=>value, will be appended to the returned url
* @return string the url
*
* Returns an absolute url to the given route.
*/
public function linkToRouteAbsolute(string $routeName, array $arguments = []): string {
return $this->getAbsoluteURL($this->linkToRoute($routeName, $arguments));
}
public function linkToOCSRouteAbsolute(string $routeName, array $arguments = []): string {
// Returns `/subfolder/index.php/ocsapp/…` with `'htaccess.IgnoreFrontController' => false` in config.php
// And `/subfolder/ocsapp/…` with `'htaccess.IgnoreFrontController' => true` in config.php
$route = $this->router->generate('ocs.'.$routeName, $arguments, false);
// Cut off `/subfolder`
if (\OC::$WEBROOT !== '' && str_starts_with($route, \OC::$WEBROOT)) {
$route = substr($route, \strlen(\OC::$WEBROOT));
}
if (str_starts_with($route, '/index.php/')) {
$route = substr($route, 10);
}
// Remove `ocsapp/` bit
$route = substr($route, 7);
// Prefix with ocs/v2.php endpoint
$route = '/ocs/v2.php' . $route;
// Turn into an absolute URL
return $this->getAbsoluteURL($route);
}
/**
* Creates an url
*
* @param string $appName app
* @param string $file file
* @param array $args array with param=>value, will be appended to the returned url
* The value of $args will be urlencoded
* @return string the url
*
* Returns a url to the given app and file.
*/
public function linkTo(string $appName, string $file, array $args = []): string {
$frontControllerActive = ($this->config->getSystemValueBool('htaccess.IgnoreFrontController', false) || getenv('front_controller_active') === 'true');
if ($appName !== '') {
$app_path = $this->getAppManager()->getAppPath($appName);
// Check if the app is in the app folder
if (file_exists($app_path . '/' . $file)) {
if (str_ends_with($file, 'php')) {
$urlLinkTo = \OC::$WEBROOT . '/index.php/apps/' . $appName;
if ($frontControllerActive) {
$urlLinkTo = \OC::$WEBROOT . '/apps/' . $appName;
}
$urlLinkTo .= ($file !== 'index.php') ? '/' . $file : '';
} else {
$urlLinkTo = $this->getAppManager()->getAppWebPath($appName) . '/' . $file;
}
} else {
$urlLinkTo = \OC::$WEBROOT . '/' . $appName . '/' . $file;
}
} else {
if (file_exists(\OC::$SERVERROOT . '/core/' . $file)) {
$urlLinkTo = \OC::$WEBROOT . '/core/' . $file;
} else {
if ($frontControllerActive && $file === 'index.php') {
$urlLinkTo = \OC::$WEBROOT . '/';
} else {
$urlLinkTo = \OC::$WEBROOT . '/' . $file;
}
}
}
if ($args && $query = http_build_query($args, '', '&')) {
$urlLinkTo .= '?' . $query;
}
return $urlLinkTo;
}
/**
* Creates path to an image
*
* @param string $appName app
* @param string $file image name
* @throws \RuntimeException If the image does not exist
* @return string the url
*
* Returns the path to the image.
*/
public function imagePath(string $appName, string $file): string {
$cache = $this->cacheFactory->createDistributed('imagePath-'.md5($this->getBaseUrl()).'-');
$cacheKey = $appName.'-'.$file;
if ($key = $cache->get($cacheKey)) {
return $key;
}
// Read the selected theme from the config file
$theme = \OC_Util::getTheme();
//if a theme has a png but not an svg always use the png
$basename = substr(basename($file), 0, -4);
try {
$appPath = $this->getAppManager()->getAppPath($appName);
} catch (AppPathNotFoundException $e) {
if ($appName === 'core' || $appName === '') {
$appName = 'core';
$appPath = false;
} else {
throw new RuntimeException('image not found: image: ' . $file . ' webroot: ' . \OC::$WEBROOT . ' serverroot: ' . \OC::$SERVERROOT);
}
}
// Check if the app is in the app folder
$path = '';
$themingEnabled = $this->config->getSystemValueBool('installed', false) && $this->getAppManager()->isEnabledForUser('theming');
$themingImagePath = false;
if ($themingEnabled) {
$themingDefaults = \OC::$server->get('ThemingDefaults');
if ($themingDefaults instanceof ThemingDefaults) {
$themingImagePath = $themingDefaults->replaceImagePath($appName, $file);
}
}
if (file_exists(\OC::$SERVERROOT . "/themes/$theme/apps/$appName/img/$file")) {
$path = \OC::$WEBROOT . "/themes/$theme/apps/$appName/img/$file";
} elseif (!file_exists(\OC::$SERVERROOT . "/themes/$theme/apps/$appName/img/$basename.svg")
&& file_exists(\OC::$SERVERROOT . "/themes/$theme/apps/$appName/img/$basename.png")) {
$path = \OC::$WEBROOT . "/themes/$theme/apps/$appName/img/$basename.png";
} elseif (!empty($appName) and file_exists(\OC::$SERVERROOT . "/themes/$theme/$appName/img/$file")) {
$path = \OC::$WEBROOT . "/themes/$theme/$appName/img/$file";
} elseif (!empty($appName) and (!file_exists(\OC::$SERVERROOT . "/themes/$theme/$appName/img/$basename.svg")
&& file_exists(\OC::$SERVERROOT . "/themes/$theme/$appName/img/$basename.png"))) {
$path = \OC::$WEBROOT . "/themes/$theme/$appName/img/$basename.png";
} elseif (file_exists(\OC::$SERVERROOT . "/themes/$theme/core/img/$file")) {
$path = \OC::$WEBROOT . "/themes/$theme/core/img/$file";
} elseif (!file_exists(\OC::$SERVERROOT . "/themes/$theme/core/img/$basename.svg")
&& file_exists(\OC::$SERVERROOT . "/themes/$theme/core/img/$basename.png")) {
$path = \OC::$WEBROOT . "/themes/$theme/core/img/$basename.png";
} elseif ($themingEnabled && $themingImagePath) {
$path = $themingImagePath;
} elseif ($appPath && file_exists($appPath . "/img/$file")) {
$path = $this->getAppManager()->getAppWebPath($appName) . "/img/$file";
} elseif ($appPath && !file_exists($appPath . "/img/$basename.svg")
&& file_exists($appPath . "/img/$basename.png")) {
$path = $this->getAppManager()->getAppWebPath($appName) . "/img/$basename.png";
} elseif (!empty($appName) and file_exists(\OC::$SERVERROOT . "/$appName/img/$file")) {
$path = \OC::$WEBROOT . "/$appName/img/$file";
} elseif (!empty($appName) and (!file_exists(\OC::$SERVERROOT . "/$appName/img/$basename.svg")
&& file_exists(\OC::$SERVERROOT . "/$appName/img/$basename.png"))) {
$path = \OC::$WEBROOT . "/$appName/img/$basename.png";
} elseif (file_exists(\OC::$SERVERROOT . "/core/img/$file")) {
$path = \OC::$WEBROOT . "/core/img/$file";
} elseif (!file_exists(\OC::$SERVERROOT . "/core/img/$basename.svg")
&& file_exists(\OC::$SERVERROOT . "/core/img/$basename.png")) {
$path = \OC::$WEBROOT . "/themes/$theme/core/img/$basename.png";
}
if ($path !== '') {
$cache->set($cacheKey, $path);
return $path;
}
throw new RuntimeException('image not found: image:' . $file . ' webroot:' . \OC::$WEBROOT . ' serverroot:' . \OC::$SERVERROOT);
}
/**
* Makes an URL absolute
* @param string $url the url in the ownCloud host
* @return string the absolute version of the url
*/
public function getAbsoluteURL(string $url): string {
$separator = str_starts_with($url, '/') ? '' : '/';
if (\OC::$CLI && !\defined('PHPUNIT_RUN')) {
return rtrim($this->config->getSystemValueString('overwrite.cli.url'), '/') . '/' . ltrim($url, '/');
}
// The ownCloud web root can already be prepended.
if (\OC::$WEBROOT !== '' && str_starts_with($url, \OC::$WEBROOT)) {
$url = substr($url, \strlen(\OC::$WEBROOT));
}
return $this->getBaseUrl() . $separator . $url;
}
/**
* @param string $key
* @return string url to the online documentation
*/
public function linkToDocs(string $key): string {
$theme = \OC::$server->get('ThemingDefaults');
return $theme->buildDocLinkToKey($key);
}
/**
* Returns the URL of the default page based on the system configuration
* and the apps visible for the current user
* @return string
*/
public function linkToDefaultPageUrl(): string {
// Deny the redirect if the URL contains a @
// This prevents unvalidated redirects like ?redirect_url=:user@domain.com
if (isset($_REQUEST['redirect_url']) && !str_contains($_REQUEST['redirect_url'], '@')) {
return $this->getAbsoluteURL(urldecode($_REQUEST['redirect_url']));
}
$defaultPage = $this->config->getAppValue('core', 'defaultpage');
if ($defaultPage) {
return $this->getAbsoluteURL($defaultPage);
}
$appId = $this->getAppManager()->getDefaultAppForUser();
if ($this->config->getSystemValueBool('htaccess.IgnoreFrontController', false)
|| getenv('front_controller_active') === 'true') {
return $this->getAbsoluteURL('/apps/' . $appId . '/');
}
return $this->getAbsoluteURL('/index.php/apps/' . $appId . '/');
}
/**
* @return string base url of the current request
*/
public function getBaseUrl(): string {
// BaseUrl can be equal to 'http(s)://' during the first steps of the initial setup.
if ($this->baseUrl === null || $this->baseUrl === "http://" || $this->baseUrl === "https://") {
$this->baseUrl = $this->request->getServerProtocol() . '://' . $this->request->getServerHost() . \OC::$WEBROOT;
}
return $this->baseUrl;
}
/**
* @return string webroot part of the base url
*/
public function getWebroot(): string {
return \OC::$WEBROOT;
}
}