#8: Implemented the track upload API.

app/Commands/UploadTrackCommand.php

@@ -70,7 +70,12 @@ class UploadTrackCommand extends CommandBase
     public function execute()
     {
         $user = \Auth::user();
-        $trackFile = \Input::file('track');
+        $trackFile = \Input::file('track', null);
+
+        if (null === $trackFile) {
+            return CommandResponse::fail(['track' => ['You must upload an audio file!']]);
+        }
+
         $audio = \AudioCache::get($trackFile->getPathname());
 
 

app/Exceptions.php

@@ -1,14 +0,0 @@
-<?php namespace Poniverse\Ponyfm;
-
-use Illuminate\Database\Eloquent\ModelNotFoundException;
-
-/**
- * Class TrackFileNotFoundException
- * @package Poniverse\Ponyfm
- *
- * This exception is used to indicate that the requested `TrackFile` object
- * does not exist. This is useful when dealing with albums or playlists that
- * contain tracks for which no lossless master is available (and thus, lossless
- * `TrackFiles` don't exist for).
- */
-class TrackFileNotFoundException extends ModelNotFoundException {}

app/Exceptions/InvalidAccessTokenException.php

@@ -0,0 +1,32 @@
+<?php
+
+/**
+ * Pony.fm - A community for pony fan music.
+ * Copyright (C) 2015 Peter Deltchev
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Poniverse\Ponyfm\Exceptions;
+
+use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+
+/**
+ * Class InvalidAccessTokenException
+ * @package Poniverse\Ponyfm
+ *
+ * This exception indicates that an access token we attempted to introspect
+ * through the Poniverse API is expired or otherwise unusable.
+ */
+class InvalidAccessTokenException extends AccessDeniedHttpException {};

app/Exceptions/TrackFileNotFoundException.php

@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * Pony.fm - A community for pony fan music.
+ * Copyright (C) 2015 Peter Deltchev
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Poniverse\Ponyfm\Exceptions;
+
+use Illuminate\Database\Eloquent\ModelNotFoundException;
+
+/**
+ * Class TrackFileNotFoundException
+ * @package Poniverse\Ponyfm
+ *
+ * This exception is used to indicate that the requested `TrackFile` object
+ * does not exist. This is useful when dealing with albums or playlists that
+ * contain tracks for which no lossless master is available (and thus, lossless
+ * `TrackFiles` don't exist for).
+ */
+class TrackFileNotFoundException extends ModelNotFoundException {}

app/Http/Controllers/Api/V1/TracksController.php

@@ -20,13 +20,56 @@
 
 namespace Poniverse\Ponyfm\Http\Controllers\Api\V1;
 
+use Poniverse\Ponyfm\Commands\UploadTrackCommand;
+use Poniverse\Ponyfm\Http\Controllers\ApiControllerBase;
 use Poniverse\Ponyfm\Image;
 use Poniverse\Ponyfm\Track;
-use Cover;
-use Illuminate\Support\Facades\Response;
+use Response;
 
-class TracksController extends \ApiControllerBase
+class TracksController extends ApiControllerBase
 {
+    public function postUploadTrack() {
+        session_write_close();
+
+        $response = $this->execute(new UploadTrackCommand());
+        $commandData = $response->getData(true);
+
+        if (200 !== $response->getStatusCode()) {
+            return $response;
+        }
+
+        $data = [
+            'id'            => $commandData['id'],
+            'status_url'    => action('Api\V1\TracksController@getUploadStatus', ['id' => $commandData['id']]),
+            'message'       => "This track has been accepted for processing! Poll the status_url to know when it's ready to publish.",
+        ];
+
+        $response->setData($data);
+        $response->setStatusCode(202);
+        return $response;
+    }
+
+
+    public function getUploadStatus($trackId) {
+        $track = Track::findOrFail($trackId);
+        $this->authorize('edit', $track);
+
+        if ($track->status === Track::STATUS_PROCESSING) {
+            return Response::json(['message' => 'Processing...'], 202);
+
+        } elseif ($track->status === Track::STATUS_COMPLETE) {
+            return Response::json([
+                'message' => 'Processing complete! The artist must publish the track by visiting its edit_url.',
+                'edit_url' => action('ContentController@getTracks', ['id' => $trackId])
+            ], 201);
+
+        } else {
+            // something went wrong
+            return Response::json(['error' => 'Processing failed!'], 500);
+        }
+    }
+
+
     public function getTrackRadioDetails($hash)
     {
         $track = Track

app/Http/Controllers/Api/Web/TracksController.php

@@ -21,19 +21,19 @@
 namespace Poniverse\Ponyfm\Http\Controllers\Api\Web;
 
 use Illuminate\Database\Eloquent\ModelNotFoundException;
-use Illuminate\Support\Facades\File;
+use File;
+use Poniverse\Ponyfm\Exceptions\InvalidEncodeOptionsException;
 use Poniverse\Ponyfm\Commands\DeleteTrackCommand;
 use Poniverse\Ponyfm\Commands\EditTrackCommand;
 use Poniverse\Ponyfm\Commands\UploadTrackCommand;
 use Poniverse\Ponyfm\Http\Controllers\ApiControllerBase;
 use Poniverse\Ponyfm\Jobs\EncodeTrackFile;
 use Poniverse\Ponyfm\ResourceLogItem;
-use Poniverse\Ponyfm\Track;
-use Cover;
-use Illuminate\Support\Facades\Auth;
-use Illuminate\Support\Facades\Input;
-use Illuminate\Support\Facades\Response;
 use Poniverse\Ponyfm\TrackFile;
+use Poniverse\Ponyfm\Track;
+use Auth;
+use Input;
+use Response;
 
 class TracksController extends ApiControllerBase
 {
@@ -44,16 +44,15 @@ class TracksController extends ApiControllerBase
         try {
             return $this->execute(new UploadTrackCommand());
 
-        } catch (\InvalidEncodeOptions $e) {
+        } catch (InvalidEncodeOptionsException $e) {
 
         }
     }
 
     public function getUploadStatus($trackId)
     {
-        // TODO: authorize this
-
         $track = Track::findOrFail($trackId);
+        $this->authorize('edit', $track);
 
         if ($track->status === Track::STATUS_PROCESSING){
             return Response::json(['message' => 'Processing...'], 202);
@@ -65,7 +64,6 @@ class TracksController extends ApiControllerBase
             // something went wrong
             return Response::json(['error' => 'Processing failed!'], 500);
         }
-
     }
 
     public function postDelete($id)

app/Http/Controllers/ApiControllerBase.php

@@ -25,6 +25,13 @@ use Response;
 
 abstract class ApiControllerBase extends Controller
 {
+    /**
+     * NOTE: This function is used by the v1 API. If the response JSON format
+     * it returns changes, don't break the API!
+     *
+     * @param CommandBase $command
+     * @return \Illuminate\Http\JsonResponse
+     */
     protected function execute(CommandBase $command)
     {
         if (!$command->authorize()) {

app/Http/Controllers/AuthController.php

@@ -96,25 +96,13 @@ class AuthController extends Controller
         }
 
         // Check by login name to see if they already have an account
-        $localMember = User::where('username', '=', $poniverseUser['username'])
-            ->where('is_archived', false)
-            ->first();
+        $user = User::findOrCreate($poniverseUser['username'], $poniverseUser['display_name'], $poniverseUser['email']);
 
-        if ($localMember) {
-            return $this->loginRedirect($localMember);
+        if ($user->wasRecentlyCreated) {
+            return $this->loginRedirect($user);
         }
 
-        $user = new User;
-
-        $user->username = $poniverseUser['username'];
-        $user->display_name = $poniverseUser['display_name'];
-        $user->email = $poniverseUser['email'];
-        $user->created_at = gmdate("Y-m-d H:i:s", time());
-        $user->uses_gravatar = 1;
-
-        $user->save();
-
-        //We need to insert a new token row :O
+        // We need to insert a new token row :O
 
         $setData['user_id'] = $user->id;
         $setData['external_user_id'] = $poniverseUser['id'];

app/Http/Kernel.php

@@ -47,7 +47,9 @@ class Kernel extends HttpKernel
     protected $routeMiddleware = [
         'auth' => \Poniverse\Ponyfm\Http\Middleware\Authenticate::class,
         'auth.basic' => \Illuminate\Auth\Middleware\AuthenticateWithBasicAuth::class,
+        'auth.oauth' => \Poniverse\Ponyfm\Http\Middleware\AuthenticateOAuth::class,
         'can' => \Poniverse\Ponyfm\Http\Middleware\Authorize::class,
+        'json-exceptions' => \Poniverse\Ponyfm\Http\Middleware\JsonExceptions::class,
         'guest' => \Poniverse\Ponyfm\Http\Middleware\RedirectIfAuthenticated::class,
     ];
 }

app/Http/Middleware/AuthenticateOAuth.php

@@ -0,0 +1,75 @@
+<?php
+
+/**
+ * Pony.fm - A community for pony fan music.
+ * Copyright (C) 2015 Peter Deltchev
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Poniverse\Ponyfm\Http\Middleware;
+
+use Auth;
+use Closure;
+use GuzzleHttp;
+use Poniverse;
+use Poniverse\Ponyfm\User;
+use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+
+class AuthenticateOAuth
+{
+    /**
+     * @var Poniverse
+     */
+    private $poniverse;
+
+    public function __construct(Poniverse $poniverse) {
+        $this->poniverse = $poniverse;
+    }
+
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request $request
+     * @param  \Closure $next
+     * @param  string $requiredScope
+     * @return mixed
+     * @throws \OAuth2\Exception
+     */
+    public function handle($request, Closure $next, $requiredScope)
+    {
+        // Ensure this is a valid OAuth client.
+        $accessToken = $request->get('access_token');
+
+        // check that access token is valid at Poniverse.net
+        $accessTokenInfo = $this->poniverse->getAccessTokenInfo($accessToken);
+
+        if (!$accessTokenInfo->getIsActive()) {
+            throw new AccessDeniedHttpException('This access token is expired or invalid!');
+        }
+
+        if (!in_array($requiredScope, $accessTokenInfo->getScopes())) {
+            throw new AccessDeniedHttpException("This access token lacks the '${requiredScope}' scope!");
+        }
+
+        // Log in as the given user, creating the account if necessary.
+        $this->poniverse->setAccessToken($accessToken);
+        $poniverseUser = $this->poniverse->getUser();
+
+        $user = User::findOrCreate($poniverseUser['username'], $poniverseUser['display_name'], $poniverseUser['email']);
+        Auth::login($user);
+
+        return $next($request);
+    }
+}

app/Http/Middleware/JsonExceptions.php

@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * Pony.fm - A community for pony fan music.
+ * Copyright (C) 2015 Peter Deltchev
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Poniverse\Ponyfm\Http\Middleware;
+
+use Closure;
+use Symfony\Component\HttpKernel\Exception\HttpException;
+
+/**
+ * Class JsonExceptions
+ * @package Poniverse\Ponyfm\Http\Middleware
+ *
+ * This middleware turns any HTTP exceptions thrown during the request
+ * into a JSON response. To be used when implementing the API!
+ */
+class JsonExceptions
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+        try {
+            $response = $next($request);
+
+        } catch (HttpException $e) {
+            return \Response::json([
+                'message' => $e->getMessage()
+            ], $e->getStatusCode());
+        }
+
+        return $response;
+    }
+}

app/Http/Middleware/Profiler.php

@@ -50,8 +50,9 @@ class Profiler
             } catch (\Exception $e) {
                 $response = \Response::make([
                     'message' => $e->getMessage(),
+                    'lineNumber' => $e->getLine(),
                     'exception' => $e->getTrace()
-                ], 500);
+                ], method_exists($e, 'getStatusCode') ? $e->getStatusCode() : 500);
                 $profiler->log('error', $e->__toString(), []);
             }
 

app/Http/Middleware/VerifyCsrfToken.php

@@ -30,6 +30,6 @@ class VerifyCsrfToken extends BaseVerifier
      * @var array
      */
     protected $except = [
-        //
+        'api/*'
     ];
 }

app/Http/routes.php

@@ -66,11 +66,19 @@ Route::get('playlist/{id}-{slug}', 'PlaylistsController@getPlaylist');
 Route::get('p{id}', 'PlaylistsController@getShortlink')->where('id', '\d+');
 Route::get('p{id}/dl.{extension}', 'PlaylistsController@getDownload' );
 
-Route::group(['prefix' => 'api/v1'], function() {
+
+
+Route::group(['prefix' => 'api/v1', 'middleware' => 'json-exceptions'], function() {
     Route::get('/tracks/radio-details/{hash}', 'Api\V1\TracksController@getTrackRadioDetails');
     Route::post('/tracks/radio-details/{hash}', 'Api\V1\TracksController@getTrackRadioDetails');
+
+    Route::group(['middleware' => 'auth.oauth:ponyfm-upload-track'], function() {
+        Route::post('tracks', 'Api\V1\TracksController@postUploadTrack');
+        Route::get('/tracks/{id}/upload-status', 'Api\V1\TracksController@getUploadStatus');
+    });
 });
 
+
 Route::group(['prefix' => 'api/web'], function() {
     Route::get('/taxonomies/all', 'Api\Web\TaxonomiesController@getAll');
 

app/Library/Poniverse/AccessTokenInfo.php

@@ -0,0 +1,220 @@
+<?php
+
+/**
+ * Pony.fm - A community for pony fan music.
+ * Copyright (C) 2015 Peter Deltchev
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Poniverse;
+
+/**
+ * Class AccessTokenInfo
+ *
+ * A container for the fields in the draft OAuth Token Introspection proposal.
+ *
+ * @link https://tools.ietf.org/html/draft-richer-oauth-introspection-06
+ * @package Poniverse
+ */
+class AccessTokenInfo {
+    protected $token;
+
+    protected $isActive;
+    protected $expiresAt;
+    protected $issuedAt;
+    protected $scopes;
+    protected $clientId;
+    protected $sub;
+    protected $userId;
+    protected $intendedAudience;
+    protected $issuer;
+    protected $tokenType;
+
+    public function __construct($accessToken) {
+        $this->token = $accessToken;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getToken() {
+        return $this->token;
+    }
+
+    /**
+     * @return bool
+     */
+    public function getIsActive() {
+        return $this->isActive;
+    }
+
+    /**
+     * @param bool $isActive
+     * @return AccessTokenInfo
+     */
+    public function setIsActive($isActive) {
+        $this->isActive = $isActive;
+        return $this;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getExpiresAt() {
+        return $this->expiresAt;
+    }
+
+    /**
+     * @param mixed $expiresAt
+     * @return AccessTokenInfo
+     */
+    public function setExpiresAt($expiresAt) {
+        $this->expiresAt = $expiresAt;
+        return $this;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getIssuedAt() {
+        return $this->issuedAt;
+    }
+
+    /**
+     * @param mixed $issuedAt
+     * @return AccessTokenInfo
+     */
+    public function setIssuedAt($issuedAt) {
+        $this->issuedAt = $issuedAt;
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function getScopes() {
+        return $this->scopes;
+    }
+
+    /**
+     * @param array|string $scopes
+     * @return AccessTokenInfo
+     */
+    public function setScopes($scopes) {
+        if (is_array($scopes)) {
+            $this->scopes = $scopes;
+        } else {
+            $this->scopes = mb_split(' ', $scopes);
+        }
+
+        return $this;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getClientId() {
+        return $this->clientId;
+    }
+
+    /**
+     * @param mixed $clientId
+     * @return AccessTokenInfo
+     */
+    public function setClientId($clientId) {
+        $this->clientId = $clientId;
+        return $this;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getSub() {
+        return $this->sub;
+    }
+
+    /**
+     * @param mixed $sub
+     * @return AccessTokenInfo
+     */
+    public function setSub($sub) {
+        $this->sub = $sub;
+        return $this;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getUserId() {
+        return $this->userId;
+    }
+
+    /**
+     * @param mixed $userId
+     * @return AccessTokenInfo
+     */
+    public function setUserId($userId) {
+        $this->userId = $userId;
+        return $this;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getIntendedAudience() {
+        return $this->intendedAudience;
+    }
+
+    /**
+     * @param mixed $intendedAudience
+     * @return AccessTokenInfo
+     */
+    public function setIntendedAudience($intendedAudience) {
+        $this->intendedAudience = $intendedAudience;
+        return $this;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getIssuer() {
+        return $this->issuer;
+    }
+
+    /**
+     * @param mixed $issuer
+     * @return AccessTokenInfo
+     */
+    public function setIssuer($issuer) {
+        $this->issuer = $issuer;
+        return $this;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getTokenType() {
+        return $this->tokenType;
+    }
+
+    /**
+     * @param mixed $tokenType
+     * @return AccessTokenInfo
+     */
+    public function setTokenType($tokenType) {
+        $this->tokenType = $tokenType;
+        return $this;
+    }
+}

app/Library/Poniverse/Poniverse.php

@@ -18,6 +18,9 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+use OAuth2\Client;
+use Poniverse\Ponyfm\Exceptions\InvalidAccessTokenException;
+
 /**
  * Class Poniverse
  *
@@ -111,4 +114,48 @@ class Poniverse {
 
         return json_decode($result, true);
     }
+
+    /**
+     * Gets information about the given access token.
+     *
+     * @link https://tools.ietf.org/html/draft-richer-oauth-introspection-06
+     *
+     * @param $accessTokenToIntrospect
+     * @return \Poniverse\AccessTokenInfo
+     * @throws \Poniverse\Ponyfm\InvalidAccessTokenException
+     * @throws \Symfony\Component\HttpKernel\Exception\HttpException
+     */
+    public function getAccessTokenInfo($accessTokenToIntrospect)
+    {
+        $token = $this->client->getAccessToken(
+            Config::get('poniverse.urls.token'),
+            Client::GRANT_TYPE_CLIENT_CREDENTIALS,
+            []
+        )['result']['access_token'];
+
+
+        $request = \Httpful\Request::post($this->urls['api']. 'meta/introspect?token='.$accessTokenToIntrospect);
+
+        /** @var Httpful\Response $result */
+        $result = $request
+            ->addHeader('Accept', 'application/json')
+            ->addHeader('Authorization', 'Bearer '.$token)
+            ->send();
+        $data = json_decode($result, true);
+
+        if (404 === $result->code) {
+            throw new InvalidAccessTokenException('This access token is expired or invalid!');
+        }
+
+        if (200 !== $result->code) {
+            throw new \Symfony\Component\HttpKernel\Exception\HttpException(500, 'An unknown error occurred while contacting the Poniverse API.');
+        }
+
+        $tokenInfo = new \Poniverse\AccessTokenInfo($accessTokenToIntrospect);
+        $tokenInfo
+            ->setIsActive($data['active'])
+            ->setScopes($data['scope']);
+
+        return $tokenInfo;
+    }
 }

app/Library/Poniverse/oauth2/Client.php

@@ -206,6 +206,7 @@ class Client
      * @param int $grant_type Grant Type ('authorization_code', 'password', 'client_credentials', 'refresh_token', or a custom code (@see GrantType Classes)
      * @param array $parameters Array sent to the server (depend on which grant type you're using)
      * @return array Array of parameters required by the grant_type (CF SPEC)
+     * @throws Exception
      */
     public function getAccessToken($token_endpoint, $grant_type, array $parameters)
     {

app/Policies/TrackPolicy.php

@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * Pony.fm - A community for pony fan music.
+ * Copyright (C) 2015 Peter Deltchev
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Poniverse\Ponyfm\Policies;
+
+use Poniverse\Ponyfm\Track;
+use Poniverse\Ponyfm\User;
+
+class TrackPolicy
+{
+    public function edit(User $user, Track $track) {
+        return $user->id === $track->user_id || $user->hasRole('admin');
+    }
+
+    public function delete(User $user, Track $track) {
+        return $user->id === $track->user_id || $user->hasRole('admin');
+    }
+}

app/Providers/AppServiceProvider.php

@@ -20,8 +20,10 @@
 
 namespace Poniverse\Ponyfm\Providers;
 
+use Illuminate\Foundation\Application;
 use Illuminate\Support\ServiceProvider;
 use PfmValidator;
+use Poniverse;
 use Validator;
 
 class AppServiceProvider extends ServiceProvider
@@ -46,6 +48,8 @@ class AppServiceProvider extends ServiceProvider
      */
     public function register()
     {
-        //
+        $this->app->bind(Poniverse::class, function(Application $app) {
+            return new Poniverse($app['config']->get('poniverse.client_id'), $app['config']->get('poniverse.secret'));
+        });
     }
 }

app/Providers/AuthServiceProvider.php

@@ -24,6 +24,8 @@ use Illuminate\Contracts\Auth\Access\Gate as GateContract;
 use Illuminate\Foundation\Support\Providers\AuthServiceProvider as ServiceProvider;
 use Poniverse\Ponyfm\Genre;
 use Poniverse\Ponyfm\Policies\GenrePolicy;
+use Poniverse\Ponyfm\Policies\TrackPolicy;
+use Poniverse\Ponyfm\Track;
 use Poniverse\Ponyfm\User;
 
 class AuthServiceProvider extends ServiceProvider
@@ -34,7 +36,8 @@ class AuthServiceProvider extends ServiceProvider
      * @var array
      */
     protected $policies = [
-        Genre::class => GenrePolicy::class
+        Genre::class => GenrePolicy::class,
+        Track::class => TrackPolicy::class,
     ];
 
     /**

app/Track.php

@@ -39,7 +39,20 @@ class Track extends Model
 {
     use SoftDeletes;
 
-    protected $dates = ['deleted_at'];
+    protected $dates = ['deleted_at', 'published_at', 'released_at'];
+    protected $casts = [
+        'id'                => 'integer',
+        'user_id'           => 'integer',
+        'license_id'        => 'integer',
+        'genre_id'          => 'integer',
+        'track_type_id'     => 'integer',
+        'is_vocal'          => 'boolean',
+        'is_explicit'       => 'boolean',
+        'cover_id'          => 'integer',
+        'is_downloadable'   => 'boolean',
+        'is_latest'         => 'boolean',
+        'is_listed'         => 'boolean',
+    ];
 
     use SlugTrait {
         SlugTrait::setTitleAttribute as setTitleAttributeSlug;

app/User.php

@@ -38,7 +38,16 @@ class User extends Model implements AuthenticatableContract, CanResetPasswordCon
     use Authenticatable, CanResetPassword, Authorizable, RevisionableTrait;
 
     protected $table = 'users';
-    protected $hidden1 = ['password_hash', 'password_salt', 'bio'];
+    protected $casts = [
+        'id'                        => 'integer',
+        'sync_names'                => 'boolean',
+        'uses_gravatar'             => 'boolean',
+        'can_see_explicit_content'  => 'boolean',
+        'track_count'               => 'integer',
+        'comment_count'             => 'integer',
+        'avatar_id'                 => 'integer',
+        'is_archived'               => 'boolean',
+    ];
 
     public function scopeUserDetails($query)
     {
@@ -53,6 +62,33 @@ class User extends Model implements AuthenticatableContract, CanResetPasswordCon
         return !$query;
     }
 
+    /**
+     * @param string $username
+     * @param string $displayName
+     * @param string $email
+     * @return User
+     */
+    public static function findOrCreate(string $username, string $displayName, string $email) {
+        $user = static::where('username', $username)
+            ->where('is_archived', false)
+            ->first();
+
+        if (null !== $user) {
+            return $user;
+
+        } else {
+            $user = new User;
+
+            $user->username = $username;
+            $user->display_name = $displayName;
+            $user->email = $email;
+            $user->uses_gravatar = true;
+            $user->save();
+
+            return $user;
+        }
+    }
+
     public function avatar()
     {
         return $this->belongsTo('Poniverse\Ponyfm\Image');