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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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namespace Illuminate\Auth;
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use Illuminate\Contracts\Auth\Guard;
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use Illuminate\Contracts\Auth\UserProvider;
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use Illuminate\Http\Request;
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use Illuminate\Support\Traits\Macroable;
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class RequestGuard implements Guard
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{
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    use GuardHelpers, Macroable;
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    /**
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     * The guard callback.
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     *
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     * @var callable
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     */
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    protected $callback;
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    /**
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     * The request instance.
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     *
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     * @var \Illuminate\Http\Request
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     */
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    protected $request;
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    /**
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     * Create a new authentication guard.
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     *
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     * @param  callable  $callback
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     * @param  \Illuminate\Http\Request  $request
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     * @param  \Illuminate\Contracts\Auth\UserProvider|null  $provider
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     * @return void
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     */
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    public function __construct(callable $callback, Request $request, UserProvider $provider = null)
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    {
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        $this->request = $request;
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        $this->callback = $callback;
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        $this->provider = $provider;
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    }
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    /**
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     * Get the currently authenticated user.
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     *
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     * @return \Illuminate\Contracts\Auth\Authenticatable|null
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     */
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    public function user()
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    {
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        // If we've already retrieved the user for the current request we can just
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        // return it back immediately. We do not want to fetch the user data on
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        // every call to this method because that would be tremendously slow.
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        if (! is_null($this->user)) {
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            return $this->user;
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        }
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        return $this->user = call_user_func(
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            $this->callback, $this->request, $this->getProvider()
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        );
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    }
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    /**
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     * Validate a user's credentials.
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     *
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     * @param  array  $credentials
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     * @return bool
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     */
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    public function validate(array $credentials = [])
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    {
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        return ! is_null((new static(
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            $this->callback, $credentials['request'], $this->getProvider()
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        ))->user());
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    }
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    /**
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     * Set the current request instance.
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     *
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     * @param  \Illuminate\Http\Request  $request
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     * @return $this
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     */
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    public function setRequest(Request $request)
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    {
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        $this->request = $request;
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        return $this;
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    }
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}