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landing-api/app/Http/Controllers/Api/V1/MediaController.php
Josep Piguillem ac546eba2b
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Manage technologies through the API, with SVG logos
/api/v1/technologies is a full CRUD with the panel's own rules: name and
slug are plain strings, the prose is translatable, `radar_ring: null`
takes one off the radar, and TechnologyPolicy still refuses to delete
one a project, member or call uses. The MCP server picks the tools up
from openapi.yaml on its own.

A logo is an SVG, so POST /v1/media now accepts one — sanitized with
enshrined/svg-sanitize (scripts, event handlers and remote references
removed), and served by Caddy under a Content-Security-Policy that
would stop a script regardless. `for` (pages or technologies) says what
an upload is for, which picks the directory the panel uses for it and
the permission it takes.

Creating a technology without a category answered 500: the column's
default never reached the model, so the response read a null enum. The
controller now states the default, as the panel does.

Beside a file, the MCP upload tool no longer demands the JSON body's
`url`: the body then carries the upload's other fields, such as `for`.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-28 19:49:00 +02:00

116 lines
3.8 KiB
PHP

<?php
declare(strict_types=1);
namespace App\Http\Controllers\Api\V1;
use App\Http\Controllers\Controller;
use App\Http\Requests\Api\V1\MediaRequest;
use App\Http\Resources\MediaResource;
use App\Models\Media;
use App\Services\Media\RemoteImage;
use enshrined\svgSanitize\Sanitizer;
use finfo;
use Illuminate\Http\JsonResponse;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;
use Illuminate\Validation\ValidationException;
/**
* POST /api/v1/media
*
* Stores an image and answers with the path a record points at — what the
* panel's upload field does on a form, without the form. It exists for the MCP
* server, which otherwise could create a page but never give it a picture.
*
* The file lands where the panel puts a page's images and goes through
* `Media::for()`, so it is processed, served and eventually pruned exactly
* like one uploaded there.
*/
class MediaController extends Controller
{
/**
* Extension by detected type. Chosen from the bytes, never from the name
* the client sent.
*
* @var array<string, string>
*/
protected const EXTENSIONS = [
'image/jpeg' => 'jpg',
'image/png' => 'png',
'image/webp' => 'webp',
'image/gif' => 'gif',
'image/avif' => 'avif',
'image/svg+xml' => 'svg',
];
public function store(MediaRequest $request, RemoteImage $remote): JsonResponse
{
$for = (string) $request->input('for', 'pages');
$this->authorize('upload', [Media::class, $for]);
$field = $request->hasFile('file') ? 'file' : 'url';
$contents = $field === 'file'
? (string) $request->file('file')->get()
: $remote->fetch((string) $request->string('url'));
$mime = (new finfo(FILEINFO_MIME_TYPE))->buffer($contents) ?: null;
if (! in_array($mime, (array) config('media.upload.mimes'), true)) {
$this->refuse($field);
}
if ($mime === 'image/svg+xml') {
$contents = $this->sanitize($contents) ?? $this->refuse($field);
// A vector has no pixel size; the processor copies it through.
$size = [null, null];
} else {
// The type is read from the magic bytes; this catches a file that
// has them but does not decode, which nobody could render either.
$size = @getimagesizefromstring($contents) ?: $this->refuse($field);
}
$path = config("media.upload.for.{$for}").'/'.Str::random(40).'.'.self::EXTENSIONS[$mime];
Storage::disk((string) config('media.disk'))->put($path, $contents);
$media = Media::for($path);
// What is already known, so the answer carries dimensions straight
// away rather than after the queue has run. The processor writes the
// same values, and the rest, when it does.
if (! $media->isProcessed()) {
$media->forceFill([
'mime' => $mime,
'size' => strlen($contents),
'width' => $size[0],
'height' => $size[1],
])->save();
}
return MediaResource::make($media->fresh())->response()->setStatusCode(201);
}
/**
* An SVG with what could run taken out: scripts, event handlers, and
* references to anything outside the file. Null when what is left is not
* an SVG at all.
*/
protected function sanitize(string $svg): ?string
{
$sanitizer = new Sanitizer;
$sanitizer->removeRemoteReferences(true);
$clean = $sanitizer->sanitize($svg);
return is_string($clean) && str_contains($clean, '<svg') ? $clean : null;
}
protected function refuse(string $field): never
{
throw ValidationException::withMessages([$field => [__('rules.media.not_an_image')]]);
}
}