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Merge pull request #3529 from pixelfed/staging

Add Live Stories/Live streaming
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daniel 2022-05-26 02:01:13 -06:00 committed by GitHub
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<?php
namespace App\Http\Controllers;
use Illuminate\Http\Request;
use App\Models\LiveStream;
use Illuminate\Support\Str;
use Illuminate\Support\Facades\Storage;
use App\Services\AccountService;
use App\Services\FollowerService;
use App\Services\LiveStreamService;
class LiveStreamController extends Controller
{
public function createStream(Request $request)
{
abort_if(!config('livestreaming.enabled'), 400);
abort_if(!$request->user(), 403);
if(config('livestreaming.broadcast.limits.enabled')) {
if($request->user()->is_admin) {
} else {
$limits = config('livestreaming.broadcast.limits');
$user = $request->user();
abort_if($limits['admins_only'] && $user->is_admin == false, 401, 'LSE:003');
if($limits['min_account_age']) {
abort_if($user->created_at->gt(now()->subDays($limits['min_account_age'])), 403, 'LSE:005');
}
if($limits['min_follower_count']) {
$account = AccountService::get($user->profile_id);
abort_if($account['followers_count'] < $limits['min_follower_count'], 403, 'LSE:008');
}
}
}
$this->validate($request, [
'name' => 'nullable|string|max:80',
'description' => 'nullable|string|max:240',
'visibility' => 'required|in:public,private'
]);
$stream = new LiveStream;
$stream->name = $request->input('name');
$stream->description = $request->input('description');
$stream->visibility = $request->input('visibility');
$stream->profile_id = $request->user()->profile_id;
$stream->stream_id = Str::random(40);
$stream->stream_key = Str::random(64);
$stream->save();
return [
'url' => $stream->getStreamKeyUrl(),
'id' => $stream->stream_id
];
}
public function getUserStream(Request $request)
{
abort_if(!config('livestreaming.enabled'), 400);
abort_if(!$request->user(), 403);
$stream = LiveStream::whereProfileId($request->input('profile_id'))->first();
if(!$stream) {
return [];
}
$res = [];
$owner = $stream->profile_id == $request->user()->profile_id;
if($stream->visibility === 'private') {
abort_if(!$owner && !FollowerService::follows($request->user()->profile_id, $stream->profile_id), 403, 'LSE:011');
}
if($owner) {
$res['stream_key'] = $stream->stream_key;
$res['stream_id'] = $stream->stream_id;
$res['stream_url'] = $stream->getStreamKeyUrl();
}
if($stream->live_at == null) {
$res['hls_url'] = null;
$res['name'] = $stream->name;
$res['description'] = $stream->description;
return $res;
}
$res = [
'hls_url' => $stream->getHlsUrl(),
'name' => $stream->name,
'description' => $stream->description
];
return response()->json($res, 200, [], JSON_UNESCAPED_SLASHES);
}
public function deleteStream(Request $request)
{
abort_if(!config('livestreaming.enabled'), 400);
abort_if(!$request->user(), 403);
LiveStream::whereProfileId($request->user()->profile_id)
->get()
->each(function($stream) {
Storage::deleteDirectory("public/live-hls/{$stream->stream_id}");
$stream->delete();
});
return [200];
}
public function getActiveStreams(Request $request)
{
abort_if(!config('livestreaming.enabled'), 400);
abort_if(!$request->user(), 403);
return LiveStream::whereVisibility('local')->whereNotNull('live_at')->get()->map(function($stream) {
return [
'account' => AccountService::get($stream->profile_id),
'stream_id' => $stream->stream_id
];
});
}
public function getLatestChat(Request $request)
{
abort_if(!config('livestreaming.enabled'), 400);
abort_if(!$request->user(), 403);
$stream = LiveStream::whereProfileId($request->input('profile_id'))
->whereNotNull('live_at')
->first();
if(!$stream) {
return [];
}
$owner = $stream->profile_id == $request->user()->profile_id;
if($stream->visibility === 'private') {
abort_if(!$owner && !FollowerService::follows($request->user()->profile_id, $stream->profile_id), 403, 'LSE:021');
}
$res = collect(LiveStreamService::getComments($stream->profile_id))
->map(function($r) {
return json_decode($r);
});
return $res;
}
public function addChatComment(Request $request)
{
abort_if(!config('livestreaming.enabled'), 400);
abort_if(!$request->user(), 403);
$this->validate($request, [
'profile_id' => 'required|exists:profiles,id',
'message' => 'required|max:140'
]);
$stream = LiveStream::whereProfileId($request->input('profile_id'))->firstOrFail();
$owner = $stream->profile_id == $request->user()->profile_id;
if($stream->visibility === 'private') {
abort_if(!$owner && !FollowerService::follows($request->user()->profile_id, $stream->profile_id), 403, 'LSE:022');
}
$res = [
'pid' => (string) $request->user()->profile_id,
'username' => $request->user()->username,
'text' => $request->input('message'),
'ts' => now()->timestamp
];
LiveStreamService::addComment($stream->profile_id, json_encode($res, JSON_UNESCAPED_SLASHES));
return $res;
}
public function editStream(Request $request)
{
abort_if(!config('livestreaming.enabled'), 400);
abort_if(!$request->user(), 403);
$this->validate($request, [
'name' => 'nullable|string|max:80',
'description' => 'nullable|string|max:240'
]);
$stream = LiveStream::whereProfileId($request->user()->profile_id)->firstOrFail();
$stream->name = $request->input('name');
$stream->description = $request->input('description');
$stream->save();
return;
}
public function deleteChatComment(Request $request)
{
abort_if(!config('livestreaming.enabled'), 400);
abort_if(!$request->user(), 403);
$this->validate($request, [
'profile_id' => 'required|exists:profiles,id',
'message' => 'required'
]);
abort_if($request->user()->profile_id != $request->input('profile_id'), 403);
$stream = LiveStream::whereProfileId($request->user()->profile_id)->firstOrFail();
$payload = $request->input('message');
$payload = json_encode($payload, JSON_UNESCAPED_SLASHES);
LiveStreamService::deleteComment($stream->profile_id, $payload);
return;
}
}

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app/Models/LiveStream.php Normal file
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<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Storage;
class LiveStream extends Model
{
use HasFactory;
public function getHlsUrl()
{
$path = Storage::url("live-hls/{$this->stream_id}/index.m3u8");
return url($path);
}
public function getStreamKeyUrl()
{
$proto = 'rtmp://';
$host = config('livestreaming.server.host');
$port = ':' . config('livestreaming.server.port');
$path = '/' . config('livestreaming.server.path') . '?';
$query = http_build_query([
'key' => $this->stream_key,
'ts' => time()
]);
return $proto . $host . $port . $path . $query;
}
}

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<?php
namespace App\Services;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Redis;
class LiveStreamService
{
const CACHE_KEY = 'pf:services:livestream:';
public static function getComments($id, $start = 0, $stop = 14)
{
$key = self::CACHE_KEY . 'chat:' . $id;
return Redis::lrange($key, $start, $stop);
}
public static function addComment($id, $val)
{
$key = self::CACHE_KEY . 'chat:' . $id;
if(config('database.redis.client') === 'phpredis') {
if(self::commentsCount($id) >= config('livestreaming.comments.max_falloff')) {
Redis::rpop($key);
}
}
return Redis::lpush($key, $val);
}
public static function commentsCount($id)
{
$key = self::CACHE_KEY . 'chat:' . $id;
return Redis::llen($key);
}
public static function deleteComment($id, $val)
{
$key = self::CACHE_KEY . 'chat:' . $id;
return Redis::lrem($key, 0, $val);
}
public static function clearChat($id, $val)
{
$key = self::CACHE_KEY . 'chat:' . $id;
return Redis::del($key);
}
}

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config/livestreaming.php Normal file
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<?php
return [
'enabled' => env('HLS_LIVE', false),
'server' => [
'host' => env('HLS_LIVE_HOST', env('APP_DOMAIN', 'localhost')),
'port' => env('HLS_LIVE_PORT', 1935),
'path' => env('HLS_LIVE_PATH', 'live')
],
'broadcast' => [
'max_duration' => env('HLS_LIVE_BROADCAST_MAX_DURATION', 60),
'max_active' => env('HLS_LIVE_BROADCAST_MAX_ACTIVE', 10),
'limits' => [
'enabled' => env('HLS_LIVE_BROADCAST_LIMITS', true),
'min_follower_count' => env('HLS_LIVE_BROADCAST_LIMITS_MIN_FOLLOWERS', 100),
'min_account_age' => env('HLS_LIVE_BROADCAST_LIMITS_MIN_ACCOUNT_AGE', 14),
'admins_only' => env('HLS_LIVE_BROADCAST_LIMITS_ADMINS_ONLY', true)
]
],
'comments' => [
'max_falloff' => env('HLS_LIVE_COMMENTS_MAX_FALLOFF', 50)
],
];

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<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;
class CreateLiveStreamsTable extends Migration
{
/**
* Run the migrations.
*
* @return void
*/
public function up()
{
Schema::create('live_streams', function (Blueprint $table) {
$table->id();
$table->bigInteger('profile_id')->unsigned()->index();
$table->string('stream_id')->nullable()->unique()->index();
$table->string('stream_key')->nullable();
$table->string('visibility')->nullable();
$table->string('name')->nullable();
$table->text('description')->nullable();
$table->string('thumbnail_path')->nullable();
$table->json('settings')->nullable();
$table->boolean('live_chat')->default(true);
$table->json('mod_ids')->nullable();
$table->boolean('discoverable')->nullable();
$table->timestamp('live_at')->nullable();
$table->timestamps();
});
}
/**
* Reverse the migrations.
*
* @return void
*/
public function down()
{
Schema::dropIfExists('live_streams');
}
}

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@ -96,4 +96,14 @@ Route::group(['prefix' => 'api'], function() use($middleware) {
Route::post('media', 'Api\ApiV1Controller@mediaUploadV2')->middleware($middleware);
});
Route::group(['prefix' => 'live'], function() use($middleware) {
Route::post('create_stream', 'LiveStreamController@createStream')->middleware($middleware);
Route::post('stream/edit', 'LiveStreamController@editStream')->middleware($middleware);
Route::get('active/list', 'LiveStreamController@getActiveStreams')->middleware($middleware);
Route::get('accounts/stream', 'LiveStreamController@getUserStream')->middleware($middleware);
Route::delete('accounts/stream', 'LiveStreamController@deleteStream')->middleware($middleware);
Route::get('chat/latest', 'LiveStreamController@getLatestChat')->middleware($middleware);
Route::post('chat/message', 'LiveStreamController@addChatComment')->middleware($middleware);
Route::post('chat/delete', 'LiveStreamController@deleteChatComment')->middleware($middleware);
});
});