feat: new portal selection and favicons

src/App/Controller/FaviconController.php

@@ -0,0 +1,123 @@
+<?php
+
+namespace OpenCCK\App\Controller;
+
+use Amp\Http\HttpStatus;
+use Amp\Http\Server\Driver\SocketClientFactory;
+use Amp\Http\Server\Request;
+use OpenCCK\Infrastructure\Storage\IconsStorage;
+use function Amp\File\isFile;
+use function Amp\File\read;
+use function finfo_close;
+use function finfo_file;
+use function finfo_open;
+
+class FaviconController extends AbstractIPListController {
+    private IconsStorage $storage;
+
+    public function __construct(Request $request, array $headers = []) {
+        parent::__construct($request, $headers);
+
+        $this->storage = IconsStorage::getInstance();
+    }
+
+    /**
+     * @return string
+     */
+    public function getBody(): string {
+        $site = $this->request->getQueryParameter('site');
+
+        if ($this->storage->has($site)) {
+            return $this->output($this->storage->get($site));
+        }
+
+        if (in_array($site, array_keys($this->service->sites))) {
+            $content = file_get_contents('https://' . $site . '/favicon.ico');
+            if ($content) {
+                $filename = $site . '.ico';
+                $this->saveIcon($site, $filename, $content);
+                return $this->output($filename);
+            }
+
+            $siteUrl = 'https://' . $site . '/';
+            $indexBody = file_get_contents('https://' . $site . '/');
+            if ($indexBody) {
+                $rawUrl = $this->extractFaviconHref($indexBody);
+                $url = parse_url($rawUrl);
+                $parts = explode('.', $url['path']);
+                $ext = end($parts);
+
+                $content = file_get_contents($siteUrl . $url['path']);
+                if ($content) {
+                    $filename = $site . '.' . $ext;
+                    $this->saveIcon($site, $filename, $content);
+                    return $this->output($filename);
+                }
+            }
+
+            $filename = 'blank.png';
+            $this->saveIcon($site, $filename);
+            return $this->output($filename);
+        }
+
+        $this->setHttpStatus(HttpStatus::NOT_FOUND);
+        return '';
+    }
+
+    /**
+     * @param string $html
+     * @return ?string
+     */
+    private function extractFaviconHref(string $html): ?string {
+        $dom = new \DOMDocument();
+
+        // Заглушка для подавления ошибок из-за невалидного HTML
+        \libxml_use_internal_errors(true);
+        $dom->loadHTML($html);
+        \libxml_clear_errors();
+
+        $links = $dom->getElementsByTagName('link');
+
+        foreach ($links as $link) {
+            $rel = strtolower($link->getAttribute('rel'));
+            if (in_array($rel, ['icon', 'shortcut icon', 'alternate icon'])) {
+                $href = $link->getAttribute('href');
+                return $href !== '' ? $href : null;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * @param string $site
+     * @param string $filename
+     * @param ?string $content
+     * @return void
+     */
+    private function saveIcon(string $site, string $filename, ?string $content = null): void {
+        $this->storage->set($site, $filename);
+        if ($content) {
+            file_put_contents(PATH_ROOT . '/storage/icons/' . $filename, $content);
+        }
+        $this->storage->save();
+    }
+
+    /**
+     * @param string $path
+     * @return string
+     */
+    private function output(string $filename): string {
+        $path = PATH_ROOT . '/storage/icons/' . $filename;
+        $finfo = finfo_open(FILEINFO_MIME_TYPE);
+        $contentType = finfo_file($finfo, $path);
+        finfo_close($finfo);
+
+        $this->setHeaders([
+            'Content-Type' => $contentType,
+            'Cache-Control' => 'public, max-age=31536000, immutable',
+            'Expires' => gmdate('D, d M Y H:i:s', strtotime('+1 year')) . ' GMT',
+        ]);
+        return read($path);
+    }
+}

src/Infrastructure/API/Server.php

@@ -98,9 +98,10 @@ final class Server implements AppModuleInterface {
             //    $this->bindContext
             //);
             $router = new Router($this->httpServer, $this->logger, $this->errorHandler);
-            $httpHandler = HTTPHandler::getInstance($this->logger)->getHandler();
-            $router->addRoute('GET', '/', $httpHandler);
-            $router->addRoute('GET', '/{name:.+}', $httpHandler);
+            $httpHandlerInstance = HTTPHandler::getInstance($this->logger);
+            $router->addRoute('GET', '/', $httpHandlerInstance->getHandler('main'));
+            $router->addRoute('GET', '/favicon', $httpHandlerInstance->getHandler('favicon'));
+            $router->addRoute('GET', '/{name:.+}', $httpHandlerInstance->getHandler('main'));
             $router->setFallback(new DocumentRoot($this->httpServer, $this->errorHandler, PATH_ROOT . '/public'));
 
             $this->httpServer->start($router, $this->errorHandler);

src/Infrastructure/Storage/IconsStorage.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace OpenCCK\Infrastructure\Storage;
+
+use OpenCCK\Infrastructure\API\App;
+use Revolt\EventLoop;
+
+class IconsStorage implements StorageInterface {
+    const FILENAME = 'icons.json';
+
+    private static IconsStorage $_instance;
+    private array $data = [];
+
+    private function __construct() {
+        $path = PATH_ROOT . '/storage/' . self::FILENAME;
+        if (is_file($path)) {
+            $this->data = (array) json_decode(file_get_contents($path)) ?? [];
+        }
+    }
+
+    public static function getInstance(): IconsStorage {
+        return self::$_instance ??= new self();
+    }
+
+    public function get(string $key): ?string {
+        return $this->data[$key] ?? null;
+    }
+
+    public function set(string $key, mixed $value): bool {
+        $this->data[$key] = $value;
+        return true;
+    }
+
+    public function has(string $key): bool {
+        return isset($this->data[$key]);
+    }
+
+    public function save(): void {
+        file_put_contents(PATH_ROOT . '/storage/' . self::FILENAME, json_encode($this->data, JSON_PRETTY_PRINT));
+        App::getLogger()->notice('Icons storage saved', [count($this->data) . ' items']);
+    }
+}