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<?php |
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namespace ElfSundae\Laravel\Api\Http\Middleware; |
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use Closure; |
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use ElfSundae\Laravel\Api\Token; |
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class VerifyApiToken |
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{ |
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/** |
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* The Token instance. |
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* |
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* @var \ElfSundae\Laravel\Api\Token |
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*/ |
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protected $token; |
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/** |
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* Create the middleware. |
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* |
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* @param \ElfSundae\Laravel\Api\Token $token |
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*/ |
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public function __construct(Token $token) |
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{ |
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$this->token = $token; |
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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 $next |
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* @return mixed |
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*/ |
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public function handle($request, Closure $next) |
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{ |
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if ($this->verifyToken($request)) { |
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$request->attributes->set('current_app_key', $this->getKey($request)); |
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return $next($request); |
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} |
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return response('Forbidden Request', 403); |
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} |
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/** |
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* Verify the api token from request. |
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* |
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* @param \Illuminate\Http\Request $request |
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* @return bool |
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*/ |
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protected function verifyToken($request) |
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{ |
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if ($time = $this->getTime($request)) { |
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$verifyTime = abs(time() - $time) < (int) config('api.token_duration'); |
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$verifyToken = $this->token->verify($this->getToken($request), $this->getKey($request), $time); |
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return $verifyTime && $verifyToken; |
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} |
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return false; |
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} |
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/** |
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* Get the app key. |
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* |
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* @param \Illuminate\Http\Request $request |
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* @return string |
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*/ |
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protected function getKey($request) |
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{ |
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return $request->input('_key') ?: $request->header('X-API-KEY'); |
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} |
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/** |
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* Get the time. |
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* |
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* @param \Illuminate\Http\Request $request |
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* @return int |
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*/ |
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protected function getTime($request) |
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{ |
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return (int) ($request->input('_time') ?: $request->header('X-API-TIME')); |
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} |
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/** |
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* Get the api token. |
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* |
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* @param \Illuminate\Http\Request $request |
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* @return string |
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*/ |
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protected function getToken($request) |
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{ |
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return $request->input('_token') ?: $request->header('X-API-TOKEN'); |
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} |
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} |
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