Initial commit

2026-05-20 18:25:15 +02:00
commit 95f0b4ff01
288 changed files with 90909 additions and 0 deletions
--- a/app/Services/FileServersService.php
+++ b/app/Services/FileServersService.php
@@ -0,0 +1,132 @@
+<?php
+
+namespace App\Services;
+
+use App\Models\EntryFile;
+use Illuminate\Http\Client\ConnectionException;
+use Illuminate\Http\UploadedFile;
+use Illuminate\Support\Facades\Http;
+use Illuminate\Support\Facades\Cache;
+
+class FileServersService {
+
+    public const FAVORITE_SERVER_TIME = 3600; // In seconds.
+    private const ZEUS_TOKEN_EXPIRATION = 600; // In seconds.
+
+    private string $apiKey;
+    private array $servers;
+
+    public function __construct()
+    {
+        $this->apiKey = config('fileservers.secret_key');
+        $this->servers = config('fileservers.servers');
+    }
+
+    public function generateZeusToken( int $user_id, string $to, string $action ){
+
+        $info = [
+            'user_id' => $user_id,
+            'to' => $to,
+            'action' => $action,
+            'generated_at' => time(),
+            'expires_at' => time() + self::ZEUS_TOKEN_EXPIRATION,
+            'romhackplaza' => bin2hex(random_bytes(16)),
+        ];
+
+        $json = json_encode( $info );
+        $sig = hash_hmac( 'sha256', $json, $this->apiKey );
+
+        $end = base64_encode( $json ) . "|" . $sig;
+        return $end;
+    }
+
+    public function getRandomServerKey(): string
+    {
+        $keys = array_keys($this->servers);
+        return $keys[array_rand($keys)];
+    }
+
+    public function getEntryFileServerKey( EntryFile $file ): string
+    {
+        $serverKey = null;
+
+        if( $file->favorite_server !== null && $file->favorite_at !== null ) {
+            if( time() < $file->favorite_at + static::FAVORITE_SERVER_TIME ) {
+                $serverKey = $file->favorite_server;
+            }
+        }
+        if( $serverKey === null || !isset( $this->servers[$serverKey] ) ) {
+            $serverKey = $this->getRandomServerKey();
+        }
+
+        return $serverKey;
+    }
+
+    /**
+     * Download URL requires 'filepath' and 'filename'.
+     *
+     * @param EntryFile $file
+     * @return string
+     */
+    public function getDownloadFileUrl( EntryFile $file ): string
+    {
+        $serverKey = $this->getEntryFileServerKey( $file );
+        $url = $this->servers[$serverKey]['download'] ?? "#";
+        if( $url === "#" )
+            return $url;
+
+        return $url . "&" . http_build_query( [ 'filename' => $file->filename, 'filepath' => $file->filepath ] );
+
+    }
+
+    /**
+     * @throws ConnectionException
+     */
+    public function uploadChunk(
+        UploadedFile $chunk,
+        string $fileUUID,
+        int $currentChunk,
+        int $totalChunks,
+        string $filename,
+        string $type
+    ){
+
+        // Define or get favorite server.
+        if( $currentChunk === 0 ){
+            $serverKey = $this->getRandomServerKey();
+            Cache::put("favorite_server_{$fileUUID}", $serverKey, now()->addHours(2) );
+        } else {
+            $serverKey = Cache::get( "favorite_server_{$fileUUID}" );
+            abort_if( !$serverKey, 422, "File upload expired, please retry." );
+        }
+
+        $server = $this->servers[$serverKey];
+        $filepath = $type . '/' . $fileUUID;
+
+        $response = Http::withHeaders([])
+                     ->attach( 'file', file_get_contents( $chunk->getRealPath() ), $fileUUID )
+                     ->post( $server['upload_chunk'], [
+                            'filepath' => $filepath,
+                            'filename' => $filename,
+                            'current_chunk' => $currentChunk,
+                            'total_chunks' => $totalChunks,
+                            // TODO : Must replace User ID
+                            'zeus' => $this->generateZeusToken( 0, $server['base_url'], "Uploadchunk" ),
+                     ]);
+
+        if (!$response->successful()) {
+            throw new \RuntimeException( $response->body() );
+        }
+
+        $data = $response->json();
+
+        if( isset( $data['file'] ) && $data['file'] !== false ){
+            Cache::forget( "favorite_server_{$fileUUID}" );
+        }
+        $data['favorite_server'] = $serverKey;
+        $data['file_uuid'] = $fileUUID;
+        $data['file_path'] = $filepath;
+        return $data;
+    }
+
+}