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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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namespace Illuminate\Auth\Middleware;
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use Closure;
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use Illuminate\Contracts\Auth\Access\Gate;
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use Illuminate\Database\Eloquent\Model;
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class Authorize
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{
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    /**
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     * The gate instance.
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     *
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     * @var \Illuminate\Contracts\Auth\Access\Gate
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     */
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    protected $gate;
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    /**
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     * Create a new middleware instance.
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     *
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     * @param  \Illuminate\Contracts\Auth\Access\Gate  $gate
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     * @return void
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     */
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    public function __construct(Gate $gate)
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    {
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        $this->gate = $gate;
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    }
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    /**
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     * Handle an incoming request.
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     *
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     * @param  \Illuminate\Http\Request  $request
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     * @param  \Closure  $next
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     * @param  string  $ability
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     * @param  array|null  ...$models
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     * @return mixed
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     *
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     * @throws \Illuminate\Auth\AuthenticationException
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     * @throws \Illuminate\Auth\Access\AuthorizationException
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     */
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    public function handle($request, Closure $next, $ability, ...$models)
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    {
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        $this->gate->authorize($ability, $this->getGateArguments($request, $models));
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        return $next($request);
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    }
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    /**
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     * Get the arguments parameter for the gate.
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     *
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     * @param  \Illuminate\Http\Request  $request
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     * @param  array|null  $models
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     * @return \Illuminate\Database\Eloquent\Model|array|string
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     */
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    protected function getGateArguments($request, $models)
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    {
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        if (is_null($models)) {
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            return [];
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        }
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        return collect($models)->map(function ($model) use ($request) {
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            return $model instanceof Model ? $model : $this->getModel($request, $model);
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        })->all();
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    }
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    /**
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     * Get the model to authorize.
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     *
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     * @param  \Illuminate\Http\Request  $request
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     * @param  string  $model
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     * @return \Illuminate\Database\Eloquent\Model|string
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     */
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    protected function getModel($request, $model)
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    {
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        if ($this->isClassName($model)) {
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            return trim($model);
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        } else {
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            return $request->route($model, null) ??
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                ((preg_match("/^['\"](.*)['\"]$/", trim($model), $matches)) ? $matches[1] : null);
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        }
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    }
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    /**
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     * Checks if the given string looks like a fully qualified class name.
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     *
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     * @param  string  $value
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     * @return bool
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     */
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    protected function isClassName($value)
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    {
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        return str_contains($value, '\\');
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    }
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}