jonnybarnes.uk/app/Http/Controllers/MicropubController.php

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<?php
namespace App\Http\Controllers;
use Monolog\Logger;
use Ramsey\Uuid\Uuid;
use App\Jobs\ProcessMedia;
use App\Services\TokenService;
use Illuminate\Http\UploadedFile;
use Monolog\Handler\StreamHandler;
use Intervention\Image\ImageManager;
use Illuminate\Support\Facades\Storage;
use Illuminate\Http\{Request, Response};
use App\Exceptions\InvalidTokenException;
use App\Models\{Like, Media, Note, Place};
use Phaza\LaravelPostgis\Geometries\Point;
use Intervention\Image\Exception\NotReadableException;
use App\Services\Micropub\{HCardService, HEntryService, UpdateService};
class MicropubController extends Controller
{
protected $tokenService;
protected $hentryService;
protected $hcardService;
protected $updateService;
public function __construct(
TokenService $tokenService,
HEntryService $hentryService,
HCardService $hcardService,
UpdateService $updateService
) {
$this->tokenService = $tokenService;
$this->hentryService = $hentryService;
$this->hcardService = $hcardService;
$this->updateService = $updateService;
}
/**
* This function receives an API request, verifies the authenticity
* then passes over the info to the relavent Service class.
*
* @return \Illuminate\Http\Response
*/
public function post()
{
try {
$tokenData = $this->tokenService->validateToken(request()->bearerToken());
} catch (InvalidTokenException $e) {
return $this->invalidTokenResponse();
}
if ($tokenData->hasClaim('scope') === false) {
return $this->tokenHasNoScopeResponse();
}
$this->logMicropubRequest(request()->all());
if ((request()->input('h') == 'entry') || (request()->input('type.0') == 'h-entry')) {
if (stristr($tokenData->getClaim('scope'), 'create') === false) {
return $this->insufficientScopeResponse();
}
$location = $this->hentryService->process(request()->all(), $this->getCLientId());
return response()->json([
'response' => 'created',
'location' => $location,
], 201)->header('Location', $location);
}
if (request()->input('h') == 'card' || request()->input('type')[0] == 'h-card') {
if (stristr($tokenData->getClaim('scope'), 'create') === false) {
return $this->insufficientScopeResponse();
}
$location = $this->hcardService->process(request()->all());
return response()->json([
'response' => 'created',
'location' => $location,
], 201)->header('Location', $location);
}
if (request()->input('action') == 'update') {
if (stristr($tokenData->getClaim('scope'), 'update') === false) {
return $this->insufficientScopeResponse();
}
return $this->updateService->process(request()->all());
}
return response()->json([
'response' => 'error',
'error_description' => 'unsupported_request_type',
], 500);
}
/**
* A GET request has been made to `api/post` with an accompanying
* token, here we check wether the token is valid and respond
* appropriately. Further if the request has the query parameter
* synidicate-to we respond with the known syndication endpoints.
*
* @return \Illuminate\Http\Response
*/
public function get()
{
try {
$tokenData = $this->tokenService->validateToken(request()->bearerToken());
} catch (InvalidTokenException $e) {
return $this->invalidTokenResponse();
}
if (request()->input('q') === 'syndicate-to') {
return response()->json([
'syndicate-to' => config('syndication.targets'),
]);
}
if (request()->input('q') == 'config') {
return response()->json([
'syndicate-to' => config('syndication.targets'),
'media-endpoint' => route('media-endpoint'),
]);
}
if (substr(request()->input('q'), 0, 4) === 'geo:') {
preg_match_all(
'/([0-9\.\-]+)/',
request()->input('q'),
$matches
);
$distance = (count($matches[0]) == 3) ? 100 * $matches[0][2] : 1000;
$places = Place::near(new Point($matches[0][0], $matches[0][1]))->get();
return response()->json([
'response' => 'places',
'places' => $places,
]);
}
// default response is just to return the token data
return response()->json([
'response' => 'token',
'token' => [
'me' => $tokenData->getClaim('me'),
'scope' => $tokenData->getClaim('scope'),
'client_id' => $tokenData->getClaim('client_id'),
],
]);
}
/**
* Process a media item posted to the media endpoint.
*
* @return Illuminate\Http\Response
*/
public function media()
{
try {
$tokenData = $this->tokenService->validateToken(request()->bearerToken());
} catch (InvalidTokenException $e) {
return $this->invalidTokenResponse();
}
if ($tokenData->hasClaim('scope') === false) {
return $this->tokenHasNoScopeResponse();
}
if (stristr($tokenData->getClaim('scope'), 'create') === false) {
return $this->insufficientScopeResponse();
}
if ((request()->hasFile('file') && request()->file('file')->isValid()) === false) {
return response()->json([
'response' => 'error',
'error' => 'invalid_request',
'error_description' => 'The uploaded file failed validation',
], 400);
}
$this->logMicropubRequest(request()->all());
$filename = $this->saveFile(request()->file('file'));
$manager = resolve(ImageManager::class);
try {
$image = $manager->make(request()->file('file'));
$width = $image->width();
} catch (NotReadableException $exception) {
// not an image
$width = null;
}
$media = Media::create([
'token' => request()->bearerToken(),
'path' => 'media/' . $filename,
'type' => $this->getFileTypeFromMimeType(request()->file('file')->getMimeType()),
'image_widths' => $width,
]);
ProcessMedia::dispatch($filename);
return response()->json([
'response' => 'created',
'location' => $media->url,
], 201)->header('Location', $media->url);
}
/**
* Get the file type from the mimetype of the uploaded file.
*
* @param string The mimetype
* @return string The type
*/
private function getFileTypeFromMimeType($mimetype)
{
//try known images
$imageMimeTypes = [
'image/gif',
'image/jpeg',
'image/png',
'image/svg+xml',
'image/tiff',
'image/webp',
];
if (in_array($mimetype, $imageMimeTypes)) {
return 'image';
}
//try known video
$videoMimeTypes = [
'video/mp4',
'video/mpeg',
'video/ogg',
'video/quicktime',
'video/webm',
];
if (in_array($mimetype, $videoMimeTypes)) {
return 'video';
}
//try known audio types
$audioMimeTypes = [
'audio/midi',
'audio/mpeg',
'audio/ogg',
'audio/x-m4a',
];
if (in_array($mimetype, $audioMimeTypes)) {
return 'audio';
}
return 'download';
}
private function getClientId(): string
{
return resolve(TokenService::class)
->validateToken(request()->bearerToken())
->getClaim('client_id');
}
private function logMicropubRequest(array $request)
{
$logger = new Logger('micropub');
$logger->pushHandler(new StreamHandler(storage_path('logs/micropub.log')), Logger::DEBUG);
$logger->debug('MicropubLog', $request);
}
private function saveFile(UploadedFile $file)
{
$filename = Uuid::uuid4() . '.' . $file->extension();
Storage::disk('local')->put($filename, $file);
return $filename;
}
private function insufficientScopeResponse()
{
return response()->json([
'response' => 'error',
'error' => 'insufficient_scope',
'error_description' => 'The tokens scope does not have the necessary requirements.',
], 401);
}
private function invalidTokenResponse()
{
return response()->json([
'response' => 'error',
'error' => 'invalid_token',
'error_description' => 'The provided token did not pass validation',
], 400);
}
private function tokenHasNoScopeResponse()
{
return response()->json([
'response' => 'error',
'error' => 'invalid_request',
'error_description' => 'The provided token has no scopes',
], 400);
}
}