]> git.mxchange.org Git - friendica.git/blobdiff - src/App/Router.php
[frio] Add Mute Author Server button to post actions
[friendica.git] / src / App / Router.php
index 8094e3b46d5f5db11d2e3c08c9d0bd43f0199647..6d90fb0138b30ad7c20d0f656aa8410e702be0e9 100644 (file)
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2020, Friendica
+ * @copyright Copyright (C) 2010-2023, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
 
 namespace Friendica\App;
 
-
+use Dice\Dice;
 use FastRoute\DataGenerator\GroupCountBased;
 use FastRoute\Dispatcher;
 use FastRoute\RouteCollector;
 use FastRoute\RouteParser\Std;
+use Friendica\Capabilities\ICanHandleRequests;
+use Friendica\Core\Addon;
+use Friendica\Core\Cache\Enum\Duration;
+use Friendica\Core\Cache\Capability\ICanCache;
+use Friendica\Core\Config\Capability\IManageConfigValues;
 use Friendica\Core\Hook;
 use Friendica\Core\L10n;
+use Friendica\Core\Lock\Capability\ICanLock;
+use Friendica\Core\Session\Capability\IHandleUserSessions;
+use Friendica\LegacyModule;
+use Friendica\Module\HTTPException\MethodNotAllowed;
+use Friendica\Module\HTTPException\PageNotFound;
+use Friendica\Module\Special\Options;
 use Friendica\Network\HTTPException;
+use Friendica\Network\HTTPException\InternalServerErrorException;
+use Friendica\Network\HTTPException\MethodNotAllowedException;
+use Friendica\Network\HTTPException\NotFoundException;
+use Friendica\Util\Router\FriendicaGroupCountBased;
+use Psr\Log\LoggerInterface;
 
 /**
  * Wrapper for FastRoute\Router
@@ -42,74 +58,143 @@ use Friendica\Network\HTTPException;
  */
 class Router
 {
-       const POST = 'POST';
-       const GET  = 'GET';
+       const DELETE  = 'DELETE';
+       const GET     = 'GET';
+       const PATCH   = 'PATCH';
+       const POST    = 'POST';
+       const PUT     = 'PUT';
+       const OPTIONS = 'OPTIONS';
 
        const ALLOWED_METHODS = [
-               self::POST,
+               self::DELETE,
                self::GET,
+               self::PATCH,
+               self::POST,
+               self::PUT,
+               self::OPTIONS
        ];
 
        /** @var RouteCollector */
        protected $routeCollector;
 
-       /**
-        * @var string The HTTP method
-        */
-       private $httpMethod;
-
        /**
         * @var array Module parameters
         */
-       private $parameters = [];
+       protected $parameters = [];
 
        /** @var L10n */
        private $l10n;
 
+       /** @var ICanCache */
+       private $cache;
+
+       /** @var ICanLock */
+       private $lock;
+
+       /** @var Arguments */
+       private $args;
+
+       /** @var IManageConfigValues */
+       private $config;
+
+       /** @var LoggerInterface */
+       private $logger;
+
+       /** @var bool */
+       private $isLocalUser;
+
+       /** @var float */
+       private $dice_profiler_threshold;
+
+       /** @var Dice */
+       private $dice;
+
+       /** @var string */
+       private $baseRoutesFilepath;
+
+       /** @var array */
+       private $server;
+
+       /** @var string|null */
+       protected $moduleClass = null;
+
        /**
-        * @param array $server The $_SERVER variable
-        * @param L10n  $l10n
-        * @param RouteCollector|null $routeCollector Optional the loaded Route collector
+        * @param array               $server             The $_SERVER variable
+        * @param string              $baseRoutesFilepath The path to a base routes file to leverage cache, can be empty
+        * @param L10n                $l10n
+        * @param ICanCache           $cache
+        * @param ICanLock            $lock
+        * @param IManageConfigValues $config
+        * @param Arguments           $args
+        * @param LoggerInterface     $logger
+        * @param Dice                $dice
+        * @param IHandleUserSessions $userSession
+        * @param RouteCollector|null $routeCollector
         */
-       public function __construct(array $server, L10n $l10n, RouteCollector $routeCollector = null)
+       public function __construct(array $server, string $baseRoutesFilepath, L10n $l10n, ICanCache $cache, ICanLock $lock, IManageConfigValues $config, Arguments $args, LoggerInterface $logger, Dice $dice, IHandleUserSessions $userSession, RouteCollector $routeCollector = null)
        {
-               $this->l10n = $l10n;
+               $this->baseRoutesFilepath      = $baseRoutesFilepath;
+               $this->l10n                    = $l10n;
+               $this->cache                   = $cache;
+               $this->lock                    = $lock;
+               $this->args                    = $args;
+               $this->config                  = $config;
+               $this->dice                    = $dice;
+               $this->server                  = $server;
+               $this->logger                  = $logger;
+               $this->isLocalUser             = !empty($userSession->getLocalUserId());
+               $this->dice_profiler_threshold = $config->get('system', 'dice_profiler_threshold', 0);
 
-               $httpMethod = $server['REQUEST_METHOD'] ?? self::GET;
-               $this->httpMethod = in_array($httpMethod, self::ALLOWED_METHODS) ? $httpMethod : self::GET;
+               $this->routeCollector = $routeCollector ?? new RouteCollector(new Std(), new GroupCountBased());
 
-               $this->routeCollector = isset($routeCollector) ?
-                       $routeCollector :
-                       new RouteCollector(new Std(), new GroupCountBased());
+               if ($this->baseRoutesFilepath && !file_exists($this->baseRoutesFilepath)) {
+                       throw new HTTPException\InternalServerErrorException('Routes file path does\'n exist.');
+               }
+
+               $this->parameters = [$this->server];
        }
 
        /**
+        * This will be called either automatically if a base routes file path was submitted,
+        * or can be called manually with a custom route array.
+        *
         * @param array $routes The routes to add to the Router
         *
         * @return self The router instance with the loaded routes
         *
         * @throws HTTPException\InternalServerErrorException In case of invalid configs
         */
-       public function loadRoutes(array $routes)
+       public function loadRoutes(array $routes): Router
        {
-               $routeCollector = (isset($this->routeCollector) ?
-                       $this->routeCollector :
-                       new RouteCollector(new Std(), new GroupCountBased()));
+               $routeCollector = ($this->routeCollector ?? new RouteCollector(new Std(), new GroupCountBased()));
 
                $this->addRoutes($routeCollector, $routes);
 
                $this->routeCollector = $routeCollector;
 
+               // Add routes from addons
+               Hook::callAll('route_collection', $this->routeCollector);
+
                return $this;
        }
 
+       /**
+        * Adds multiple routes to a route collector
+        *
+        * @param RouteCollector $routeCollector Route collector instance
+        * @param array $routes Multiple routes to be added
+        * @throws HTTPException\InternalServerErrorException If route was wrong (somehow)
+        */
        private function addRoutes(RouteCollector $routeCollector, array $routes)
        {
                foreach ($routes as $route => $config) {
                        if ($this->isGroup($config)) {
                                $this->addGroup($route, $config, $routeCollector);
                        } elseif ($this->isRoute($config)) {
-                               $routeCollector->addRoute($config[1], $route, $config[0]);
+                               // Always add the OPTIONS endpoint to a route
+                               $httpMethods   = (array) $config[1];
+                               $httpMethods[] = Router::OPTIONS;
+                               $routeCollector->addRoute($httpMethods, $route, $config[0]);
                        } else {
                                throw new HTTPException\InternalServerErrorException("Wrong route config for route '" . print_r($route, true) . "'");
                        }
@@ -137,7 +222,7 @@ class Router
         *
         * @return bool
         */
-       private function isGroup(array $config)
+       private function isGroup(array $config): bool
        {
                return
                        is_array($config) &&
@@ -155,7 +240,7 @@ class Router
         *
         * @return bool
         */
-       private function isRoute(array $config)
+       private function isRoute(array $config): bool
        {
                return
                        // The config array should at least have one entry
@@ -173,54 +258,175 @@ class Router
         *
         * @return RouteCollector|null
         */
-       public function getRouteCollector()
+       public function getRouteCollector(): ?RouteCollector
        {
                return $this->routeCollector;
        }
 
        /**
-        * Returns the relevant module class name for the given page URI or NULL if no route rule matched.
-        *
-        * @param string $cmd The path component of the request URL without the query string
+        * Returns the Friendica\BaseModule-extending class name if a route rule matched
         *
-        * @return string A Friendica\BaseModule-extending class name if a route rule matched
+        * @return string
         *
-        * @throws HTTPException\InternalServerErrorException
-        * @throws HTTPException\MethodNotAllowedException    If a rule matched but the method didn't
-        * @throws HTTPException\NotFoundException            If no rule matched
+        * @throws InternalServerErrorException
+        * @throws MethodNotAllowedException
         */
-       public function getModuleClass($cmd)
+       public function getModuleClass(): string
        {
-               // Add routes from addons
-               Hook::callAll('route_collection', $this->routeCollector);
+               if (empty($this->moduleClass)) {
+                       $this->determineModuleClass();
+               }
 
+               return $this->moduleClass;
+       }
+
+       /**
+        * Returns the relevant module class name for the given page URI or NULL if no route rule matched.
+        *
+        * @return void
+        *
+        * @throws HTTPException\InternalServerErrorException Unexpected exceptions
+        * @throws HTTPException\MethodNotAllowedException    If a rule is private only
+        */
+       private function determineModuleClass(): void
+       {
+               $cmd = $this->args->getCommand();
                $cmd = '/' . ltrim($cmd, '/');
 
-               $dispatcher = new Dispatcher\GroupCountBased($this->routeCollector->getData());
+               $dispatcher = new FriendicaGroupCountBased($this->getCachedDispatchData());
+
+               try {
+                       // Check if the HTTP method is OPTIONS and return the special Options Module with the possible HTTP methods
+                       if ($this->args->getMethod() === static::OPTIONS) {
+                               $this->moduleClass = Options::class;
+                               $this->parameters[] = ['AllowedMethods' => $dispatcher->getOptions($cmd)];
+                       } else {
+                               $routeInfo = $dispatcher->dispatch($this->args->getMethod(), $cmd);
+                               if ($routeInfo[0] === Dispatcher::FOUND) {
+                                       $this->moduleClass = $routeInfo[1];
+                                       $this->parameters[] = $routeInfo[2];
+                               } else if ($routeInfo[0] === Dispatcher::METHOD_NOT_ALLOWED) {
+                                       throw new HTTPException\MethodNotAllowedException($this->l10n->t('Method not allowed for this module. Allowed method(s): %s', implode(', ', $routeInfo[1])));
+                               } else {
+                                       throw new HTTPException\NotFoundException($this->l10n->t('Page not found.'));
+                               }
+                       }
+               } catch (MethodNotAllowedException $e) {
+                       $this->moduleClass = MethodNotAllowed::class;
+               } catch (NotFoundException $e) {
+                       $moduleName = $this->args->getModuleName();
+                       // Then we try addon-provided modules that we wrap in the LegacyModule class
+                       if (Addon::isEnabled($moduleName) && file_exists("addon/{$moduleName}/{$moduleName}.php")) {
+                               //Check if module is an app and if public access to apps is allowed or not
+                               $privateapps = $this->config->get('config', 'private_addons', false);
+                               if (!$this->isLocalUser && Hook::isAddonApp($moduleName) && $privateapps) {
+                                       throw new MethodNotAllowedException($this->l10n->t("You must be logged in to use addons. "));
+                               } else {
+                                       include_once "addon/{$moduleName}/{$moduleName}.php";
+                                       if (function_exists($moduleName . '_module')) {
+                                               $this->parameters[] = "addon/{$moduleName}/{$moduleName}.php";
+                                               $this->moduleClass  = LegacyModule::class;
+                                       }
+                               }
+                       }
 
-               $moduleClass = null;
-               $this->parameters = [];
+                       /* Finally, we look for a 'standard' program module in the 'mod' directory
+                        * We emulate a Module class through the LegacyModule class
+                        */
+                       if (!$this->moduleClass && file_exists("mod/{$moduleName}.php")) {
+                               $this->parameters[] = "mod/{$moduleName}.php";
+                               $this->moduleClass  = LegacyModule::class;
+                       }
 
-               $routeInfo  = $dispatcher->dispatch($this->httpMethod, $cmd);
-               if ($routeInfo[0] === Dispatcher::FOUND) {
-                       $moduleClass = $routeInfo[1];
-                       $this->parameters = $routeInfo[2];
-               } elseif ($routeInfo[0] === Dispatcher::METHOD_NOT_ALLOWED) {
-                       throw new HTTPException\MethodNotAllowedException($this->l10n->t('Method not allowed for this module. Allowed method(s): %s', implode(', ', $routeInfo[1])));
-               } else {
-                       throw new HTTPException\NotFoundException($this->l10n->t('Page not found.'));
+                       $this->moduleClass = $this->moduleClass ?: PageNotFound::class;
                }
+       }
+
+       public function getModule(?string $module_class = null): ICanHandleRequests
+       {
+               $moduleClass = $module_class ?? $this->getModuleClass();
+
+               $stamp = microtime(true);
 
-               return $moduleClass;
+               try {
+                       /** @var ICanHandleRequests $module */
+                       return $this->dice->create($moduleClass, $this->parameters);
+               } finally {
+                       if ($this->dice_profiler_threshold > 0) {
+                               $dur = floatval(microtime(true) - $stamp);
+                               if ($dur >= $this->dice_profiler_threshold) {
+                                       $this->logger->notice('Dice module creation lasts too long.', ['duration' => round($dur, 3), 'module' => $moduleClass, 'parameters' => $this->parameters]);
+                               }
+                       }
+               }
        }
 
        /**
-        * Returns the module parameters.
+        * If a base routes file path has been provided, we can load routes from it if the cache misses.
         *
-        * @return array parameters
+        * @return array
+        * @throws HTTPException\InternalServerErrorException
         */
-       public function getModuleParameters()
+       private function getDispatchData()
        {
-               return $this->parameters;
+               $dispatchData = [];
+
+               if ($this->baseRoutesFilepath) {
+                       $dispatchData = require $this->baseRoutesFilepath;
+                       if (!is_array($dispatchData)) {
+                               throw new HTTPException\InternalServerErrorException('Invalid base routes file');
+                       }
+               }
+
+               $this->loadRoutes($dispatchData);
+
+               return $this->routeCollector->getData();
+       }
+
+       /**
+        * We cache the dispatch data for speed, as computing the current routes (version 2020.09)
+        * takes about 850ms for each requests.
+        *
+        * The cached "routerDispatchData" lasts for a day, and must be cleared manually when there
+        * is any changes in the enabled addons list.
+        *
+        * Additionally, we check for the base routes file last modification time to automatically
+        * trigger re-computing the dispatch data.
+        *
+        * @return array|mixed
+        * @throws HTTPException\InternalServerErrorException
+        */
+       private function getCachedDispatchData()
+       {
+               $routerDispatchData         = $this->cache->get('routerDispatchData');
+               $lastRoutesFileModifiedTime = $this->cache->get('lastRoutesFileModifiedTime');
+               $forceRecompute             = false;
+
+               if ($this->baseRoutesFilepath) {
+                       $routesFileModifiedTime = filemtime($this->baseRoutesFilepath);
+                       $forceRecompute         = $lastRoutesFileModifiedTime != $routesFileModifiedTime;
+               }
+
+               if (!$forceRecompute && $routerDispatchData) {
+                       return $routerDispatchData;
+               }
+
+               if (!$this->lock->acquire('getCachedDispatchData', 0)) {
+                       // Immediately return uncached data when we can't acquire a lock
+                       return $this->getDispatchData();
+               }
+
+               $routerDispatchData = $this->getDispatchData();
+
+               $this->cache->set('routerDispatchData', $routerDispatchData, Duration::DAY);
+               if (!empty($routesFileModifiedTime)) {
+                       $this->cache->set('lastRoutesFileModifiedTime', $routesFileModifiedTime, Duration::MONTH);
+               }
+
+               if ($this->lock->isLocked('getCachedDispatchData')) {
+                       $this->lock->release('getCachedDispatchData');
+               }
+
+               return $routerDispatchData;
        }
 }