Add /api/v2/instance api endpoint

app/Http/Controllers/Api/ApiV1Controller.php

@@ -119,16 +119,6 @@ class ApiV1Controller extends Controller
 		return response()->json($res, $code, $headers, JSON_UNESCAPED_SLASHES);
 	}
 
-	public function getWebsocketConfig()
-	{
-		return config('broadcasting.default') === 'pusher' ? [
-			'host' => config('broadcasting.connections.pusher.options.host'),
-			'port' => config('broadcasting.connections.pusher.options.port'),
-			'key' => config('broadcasting.connections.pusher.key'),
-			'cluster' => config('broadcasting.connections.pusher.options.cluster')
-		] : [];
-	}
-
 	public function getApp(Request $request)
 	{
 		if(!$request->user()) {
@@ -3469,37 +3459,6 @@ class ApiV1Controller extends Controller
 		return $this->json($res);
 	}
 
-	/**
-	 * GET /api/v2/search
-	 *
-	 *
-	 * @return array
-	 */
-	public function searchV2(Request $request)
-	{
-		abort_if(!$request->user(), 403);
-
-		if(config('pixelfed.bouncer.cloud_ips.ban_api')) {
-			abort_if(BouncerService::checkIp($request->ip()), 404);
-		}
-
-		$this->validate($request, [
-			'q' => 'required|string|min:1|max:100',
-			'account_id' => 'nullable|string',
-			'max_id' => 'nullable|string',
-			'min_id' => 'nullable|string',
-			'type' => 'nullable|in:accounts,hashtags,statuses',
-			'exclude_unreviewed' => 'nullable',
-			'resolve' => 'nullable',
-			'limit' => 'nullable|integer|max:40',
-			'offset' => 'nullable|integer',
-			'following' => 'nullable'
-		]);
-
-		$mastodonMode = !$request->has('_pe');
-		return $this->json(SearchApiV2Service::query($request, $mastodonMode));
-	}
-
 	/**
 	 * GET /api/v1/discover/posts
 	 *

app/Http/Controllers/Api/ApiV2Controller.php

@@ -0,0 +1,332 @@
+<?php
+
+namespace App\Http\Controllers\Api;
+
+use Illuminate\Http\Request;
+use App\Http\Controllers\Controller;
+use App\Media;
+use App\UserSetting;
+use App\User;
+use Illuminate\Support\Facades\Cache;
+use App\Services\AccountService;
+use App\Services\BouncerService;
+use App\Services\InstanceService;
+use App\Services\MediaBlocklistService;
+use App\Services\MediaPathService;
+use App\Services\SearchApiV2Service;
+use App\Util\Media\Filter;
+use App\Jobs\MediaPipeline\MediaDeletePipeline;
+use App\Jobs\VideoPipeline\{
+	VideoOptimize,
+	VideoPostProcess,
+	VideoThumbnail
+};
+use App\Jobs\ImageOptimizePipeline\ImageOptimize;
+use League\Fractal;
+use League\Fractal\Serializer\ArraySerializer;
+use League\Fractal\Pagination\IlluminatePaginatorAdapter;
+use App\Transformer\Api\Mastodon\v1\{
+	AccountTransformer,
+	MediaTransformer,
+	NotificationTransformer,
+	StatusTransformer,
+};
+use App\Transformer\Api\{
+	RelationshipTransformer,
+};
+
+class ApiV2Controller extends Controller
+{
+	const PF_API_ENTITY_KEY = "_pe";
+
+	public function json($res, $code = 200, $headers = [])
+	{
+		return response()->json($res, $code, $headers, JSON_UNESCAPED_SLASHES);
+	}
+
+    public function instance(Request $request)
+    {
+		$contact = Cache::remember('api:v1:instance-data:contact', 604800, function () {
+			if(config_cache('instance.admin.pid')) {
+				return AccountService::getMastodon(config_cache('instance.admin.pid'), true);
+			}
+			$admin = User::whereIsAdmin(true)->first();
+			return $admin && isset($admin->profile_id) ?
+				AccountService::getMastodon($admin->profile_id, true) :
+				null;
+		});
+
+		$rules = Cache::remember('api:v1:instance-data:rules', 604800, function () {
+			return config_cache('app.rules') ?
+				collect(json_decode(config_cache('app.rules'), true))
+				->map(function($rule, $key) {
+					$id = $key + 1;
+					return [
+						'id' => "{$id}",
+						'text' => $rule
+					];
+				})
+				->toArray() : [];
+		});
+
+		$res = [
+			'domain' => config('pixelfed.domain.app'),
+			'title' => config_cache('app.name'),
+			'version' => config('pixelfed.version'),
+			'source_url' => 'https://github.com/pixelfed/pixelfed',
+			'description' => config_cache('app.short_description'),
+			'usage' => [
+				'users' => [
+					'active_month' => (int) Cache::remember('api:nodeinfo:am', 172800, function() {
+						return User::select('last_active_at', 'created_at')
+							->where('last_active_at', '>', now()->subMonths(1))
+							->orWhere('created_at', '>', now()->subMonths(1))
+							->count();
+					})
+				]
+			],
+			'thumbnail' => [
+				'url' => config_cache('app.banner_image') ?? url(Storage::url('public/headers/default.jpg')),
+				'blurhash' => InstanceService::headerBlurhash(),
+				'versions' => [
+					'@1x' => config_cache('app.banner_image') ?? url(Storage::url('public/headers/default.jpg')),
+					'@2x' => config_cache('app.banner_image') ?? url(Storage::url('public/headers/default.jpg'))
+				]
+			],
+			'languages' => [config('app.locale')],
+			'configuration' => [
+				'urls' => [
+					'streaming' => 'wss://' . config('pixelfed.domain.app'),
+					'status' => null
+				],
+				'accounts' => [
+					'max_featured_tags' => 0,
+				],
+				'statuses' => [
+					'max_characters' => (int) config('pixelfed.max_caption_length'),
+					'max_media_attachments' => (int) config_cache('pixelfed.max_album_length'),
+					'characters_reserved_per_url' => 23
+				],
+				'media_attachments' => [
+					'supported_mime_types' => explode(',', config_cache('pixelfed.media_types')),
+					'image_size_limit' => config_cache('pixelfed.max_photo_size') * 1024,
+					'image_matrix_limit' => 3686400,
+					'video_size_limit' => config_cache('pixelfed.max_photo_size') * 1024,
+					'video_frame_rate_limit' => 240,
+					'video_matrix_limit' => 3686400
+				],
+				'polls' => [
+					'max_options' => 4,
+					'max_characters_per_option' => 50,
+					'min_expiration' => 300,
+					'max_expiration' => 2629746,
+				],
+				'translation' => [
+					'enabled' => false,
+				],
+			],
+			'registrations' => [
+				'enabled' => (bool) config_cache('pixelfed.open_registration'),
+				'approval_required' => false,
+				'message' => null
+			],
+			'contact' => [
+				'email' => config('instance.email'),
+				'account' => $contact
+			],
+			'rules' => $rules
+		];
+
+    	return response()->json($res, 200, [], JSON_UNESCAPED_SLASHES);
+    }
+
+	/**
+	 * GET /api/v2/search
+	 *
+	 *
+	 * @return array
+	 */
+	public function search(Request $request)
+	{
+		abort_if(!$request->user(), 403);
+
+		if(config('pixelfed.bouncer.cloud_ips.ban_api')) {
+			abort_if(BouncerService::checkIp($request->ip()), 404);
+		}
+
+		$this->validate($request, [
+			'q' => 'required|string|min:1|max:100',
+			'account_id' => 'nullable|string',
+			'max_id' => 'nullable|string',
+			'min_id' => 'nullable|string',
+			'type' => 'nullable|in:accounts,hashtags,statuses',
+			'exclude_unreviewed' => 'nullable',
+			'resolve' => 'nullable',
+			'limit' => 'nullable|integer|max:40',
+			'offset' => 'nullable|integer',
+			'following' => 'nullable'
+		]);
+
+		$mastodonMode = !$request->has('_pe');
+		return $this->json(SearchApiV2Service::query($request, $mastodonMode));
+	}
+
+	/**
+	 * GET /api/v2/streaming/config
+	 *
+	 *
+	 * @return object
+	 */
+	public function getWebsocketConfig()
+	{
+		return config('broadcasting.default') === 'pusher' ? [
+			'host' => config('broadcasting.connections.pusher.options.host'),
+			'port' => config('broadcasting.connections.pusher.options.port'),
+			'key' => config('broadcasting.connections.pusher.key'),
+			'cluster' => config('broadcasting.connections.pusher.options.cluster')
+		] : [];
+	}
+
+	/**
+	 * POST /api/v2/media
+	 *
+	 *
+	 * @return MediaTransformer
+	 */
+	public function mediaUploadV2(Request $request)
+	{
+		abort_if(!$request->user(), 403);
+
+		if(config('pixelfed.bouncer.cloud_ips.ban_api')) {
+			abort_if(BouncerService::checkIp($request->ip()), 404);
+		}
+
+		$this->validate($request, [
+		  	'file.*' => [
+				'required_without:file',
+				'mimetypes:' . config_cache('pixelfed.media_types'),
+				'max:' . config_cache('pixelfed.max_photo_size'),
+			],
+			'file' => [
+				'required_without:file.*',
+				'mimetypes:' . config_cache('pixelfed.media_types'),
+				'max:' . config_cache('pixelfed.max_photo_size'),
+			],
+		  'filter_name' => 'nullable|string|max:24',
+		  'filter_class' => 'nullable|alpha_dash|max:24',
+		  'description' => 'nullable|string|max:' . config_cache('pixelfed.max_altext_length'),
+		  'replace_id' => 'sometimes'
+		]);
+
+		$user = $request->user();
+
+		if($user->last_active_at == null) {
+			return [];
+		}
+
+		if(empty($request->file('file'))) {
+			return response('', 422);
+		}
+
+		$limitKey = 'compose:rate-limit:media-upload:' . $user->id;
+		$limitTtl = now()->addMinutes(15);
+		$limitReached = Cache::remember($limitKey, $limitTtl, function() use($user) {
+			$dailyLimit = Media::whereUserId($user->id)->where('created_at', '>', now()->subDays(1))->count();
+
+			return $dailyLimit >= 250;
+		});
+		abort_if($limitReached == true, 429);
+
+		$profile = $user->profile;
+
+		if(config_cache('pixelfed.enforce_account_limit') == true) {
+			$size = Cache::remember($user->storageUsedKey(), now()->addDays(3), function() use($user) {
+				return Media::whereUserId($user->id)->sum('size') / 1000;
+			});
+			$limit = (int) config_cache('pixelfed.max_account_size');
+			if ($size >= $limit) {
+			   abort(403, 'Account size limit reached.');
+			}
+		}
+
+		$filterClass = in_array($request->input('filter_class'), Filter::classes()) ? $request->input('filter_class') : null;
+		$filterName = in_array($request->input('filter_name'), Filter::names()) ? $request->input('filter_name') : null;
+
+		$photo = $request->file('file');
+
+		$mimes = explode(',', config_cache('pixelfed.media_types'));
+		if(in_array($photo->getMimeType(), $mimes) == false) {
+			abort(403, 'Invalid or unsupported mime type.');
+		}
+
+		$storagePath = MediaPathService::get($user, 2);
+		$path = $photo->storePublicly($storagePath);
+		$hash = \hash_file('sha256', $photo);
+		$license = null;
+		$mime = $photo->getMimeType();
+
+		$settings = UserSetting::whereUserId($user->id)->first();
+
+		if($settings && !empty($settings->compose_settings)) {
+			$compose = $settings->compose_settings;
+
+			if(isset($compose['default_license']) && $compose['default_license'] != 1) {
+				$license = $compose['default_license'];
+			}
+		}
+
+		abort_if(MediaBlocklistService::exists($hash) == true, 451);
+
+		if($request->has('replace_id')) {
+			$rpid = $request->input('replace_id');
+			$removeMedia = Media::whereNull('status_id')
+				->whereUserId($user->id)
+				->whereProfileId($profile->id)
+				->where('created_at', '>', now()->subHours(2))
+				->find($rpid);
+			if($removeMedia) {
+				MediaDeletePipeline::dispatch($removeMedia)
+					->onQueue('mmo')
+					->delay(now()->addMinutes(15));
+			}
+		}
+
+		$media = new Media();
+		$media->status_id = null;
+		$media->profile_id = $profile->id;
+		$media->user_id = $user->id;
+		$media->media_path = $path;
+		$media->original_sha256 = $hash;
+		$media->size = $photo->getSize();
+		$media->mime = $mime;
+		$media->caption = $request->input('description');
+		$media->filter_class = $filterClass;
+		$media->filter_name = $filterName;
+		if($license) {
+			$media->license = $license;
+		}
+		$media->save();
+
+		switch ($media->mime) {
+			case 'image/jpeg':
+			case 'image/png':
+				ImageOptimize::dispatch($media)->onQueue('mmo');
+				break;
+
+			case 'video/mp4':
+				VideoThumbnail::dispatch($media)->onQueue('mmo');
+				$preview_url = '/storage/no-preview.png';
+				$url = '/storage/no-preview.png';
+				break;
+		}
+
+		Cache::forget($limitKey);
+		$fractal = new Fractal\Manager();
+		$fractal->setSerializer(new ArraySerializer());
+		$resource = new Fractal\Resource\Item($media, new MediaTransformer());
+		$res = $fractal->createData($resource)->toArray();
+		$res['preview_url'] = $media->url(). '?v=' . time();
+		$res['url'] = null;
+		return $this->json($res, 202);
+	}
+}

app/Services/InstanceService.php

@@ -4,6 +4,7 @@ namespace App\Services;
 
 use Cache;
 use App\Instance;
+use App\Util\Blurhash\Blurhash;
 
 class InstanceService
 {
@@ -12,6 +13,7 @@ class InstanceService
 	const CACHE_KEY_UNLISTED_DOMAINS = 'instances:unlisted:domains';
 	const CACHE_KEY_NSFW_DOMAINS = 'instances:auto_cw:domains';
 	const CACHE_KEY_STATS = 'pf:services:instances:stats';
+	const CACHE_KEY_BANNER_BLURHASH = 'pf:services:instance:header-blurhash';
 
 	public static function getByDomain($domain)
 	{
@@ -78,4 +80,42 @@ class InstanceService
 
         return true;
     }
+
+    public static function headerBlurhash()
+    {
+    	return Cache::rememberForever(self::CACHE_KEY_BANNER_BLURHASH, function() {
+    		if(str_ends_with(config_cache('app.banner_image'), 'headers/default.jpg')) {
+    			return 'UzJR]l{wHZRjM}R%XRkCH?X9xaWEjZj]kAjt';
+    		}
+			$file = config_cache('app.banner_image') ?? url(Storage::url('public/headers/default.jpg'));
+
+			$image = imagecreatefromstring(file_get_contents($file));
+			if(!$image) {
+				return 'UzJR]l{wHZRjM}R%XRkCH?X9xaWEjZj]kAjt';
+			}
+			$width = imagesx($image);
+			$height = imagesy($image);
+
+			$pixels = [];
+			for ($y = 0; $y < $height; ++$y) {
+				$row = [];
+				for ($x = 0; $x < $width; ++$x) {
+					$index = imagecolorat($image, $x, $y);
+					$colors = imagecolorsforindex($image, $index);
+
+					$row[] = [$colors['red'], $colors['green'], $colors['blue']];
+				}
+				$pixels[] = $row;
+			}
+
+			$components_x = 4;
+			$components_y = 4;
+			$blurhash = Blurhash::encode($pixels, $components_x, $components_y);
+			if(strlen($blurhash) > 191) {
+				return 'UzJR]l{wHZRjM}R%XRkCH?X9xaWEjZj]kAjt';
+			}
+
+			return $blurhash;
+    	});
+    }
 }

config/app.php

@@ -105,6 +105,7 @@ return [
     'description' => 'Pixelfed is an image sharing platform, an ethical alternative to centralized platforms.',
     'rules' => null,
     'logo' => '/img/pixelfed-icon-color.svg',
+    'banner_image' => '/storage/headers/default.jpg',
 
     /*
     |--------------------------------------------------------------------------

routes/api.php

@@ -97,9 +97,10 @@ Route::group(['prefix' => 'api'], function() use($middleware) {
 	});
 
 	Route::group(['prefix' => 'v2'], function() use($middleware) {
-		Route::get('search', 'Api\ApiV1Controller@searchV2')->middleware($middleware);
-		Route::post('media', 'Api\ApiV1Controller@mediaUploadV2')->middleware($middleware);
-		Route::get('streaming/config', 'Api\ApiV1Controller@getWebsocketConfig');
+		Route::get('search', 'Api\ApiV2Controller@search')->middleware($middleware);
+		Route::post('media', 'Api\ApiV2Controller@mediaUploadV2')->middleware($middleware);
+		Route::get('streaming/config', 'Api\ApiV2Controller@getWebsocketConfig');
+		Route::get('instance', 'Api\ApiV2Controller@instance');
 	});
 
 	Route::group(['prefix' => 'v1.1'], function() use($middleware) {