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<?php |
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namespace App\Support\Http\Middleware; |
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use App\Support\Helper; |
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use Closure; |
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use Illuminate\Auth\Access\AuthorizationException; |
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use Illuminate\Http\Request; |
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class VerifyApiToken |
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{ |
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/** |
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* The URIs that should be excluded from API Token verification. |
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* |
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* @var array |
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*/ |
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protected $except = []; |
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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 $next |
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* @return mixed |
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* |
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* @throws \Illuminate\Auth\Access\AuthorizationException |
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*/ |
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public function handle($request, Closure $next) |
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{ |
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if ( |
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$this->isReading($request) || |
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$this->shouldPassThrough($request) || |
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$this->isValidToken($request) |
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) { |
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return $next($request); |
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} |
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throw new AuthorizationException('API Token Mismatch'); |
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} |
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/** |
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* Determine if the HTTP request uses a ‘read’ verb. |
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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 isReading(Request $request) |
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{ |
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return in_array($request->method(), ['HEAD', 'OPTIONS']); |
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} |
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/** |
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* Determine if the request has a URI that should be passed through verification. |
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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 shouldPassThrough(Request $request) |
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{ |
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foreach ($this->except as $except) { |
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if ($except !== '/') { |
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$except = trim($except, '/'); |
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} |
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if ($request->is($except)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Determine if the API token is valid. |
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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 isValidToken(Request $request) |
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{ |
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$config = config('support.api.token'); |
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if ($token = substr($request->header('X-API-TOKEN'), 4)) { |
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$timestamp = (int) substr(Helper::sampleDecrypt($token, $config['key']), 4); |
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return abs($timestamp - time()) <= (int) $config['valid_interval']; |
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} |
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return false; |
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} |
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} |
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ElfSundae /
holly
