<?php

namespace App\Http\Middleware;

use App\AuthToken;
use Closure;

class ApiAuthorization
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        // During debug mode disable this check
        if (!config('chaosapi.middleware-enabled')) return $next($request);

        // Get the Authorization header
        $authHeader = $request->header('Authorization');

        // Check if header present or header malformed
        if ($authHeader === null) return abort(403);
        if (!str_starts_with($authHeader, 'Bearer ')) return abort(400);

        $authToken = substr($authHeader, 7);
        $dbAuthToken = AuthToken::where('token', $authToken)->first();

        // Check token in DB
        if ($dbAuthToken === null) return abort(401);

        // Valid request
        return $next($request);
    }
}