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   1  <?php
   2  
   3  namespace Lcobucci\JWT\Validation;
   4  
   5  use Lcobucci\JWT\Token;
   6  
   7  final class Validator implements \Lcobucci\JWT\Validator
   8  {
   9      public function assert(Token $token, Constraint ...$constraints)
  10      {
  11          if ($constraints === []) {
  12              throw new NoConstraintsGiven('No constraint given.');
  13          }
  14  
  15          $violations = [];
  16  
  17          foreach ($constraints as $constraint) {
  18              $this->checkConstraint($constraint, $token, $violations);
  19          }
  20  
  21          if ($violations) {
  22              throw RequiredConstraintsViolated::fromViolations(...$violations);
  23          }
  24      }
  25  
  26      /** @param ConstraintViolation[] $violations */
  27      private function checkConstraint(
  28          Constraint $constraint,
  29          Token $token,
  30          array &$violations
  31      ) {
  32          try {
  33              $constraint->assert($token);
  34          } catch (ConstraintViolation $e) {
  35              $violations[] = $e;
  36          }
  37      }
  38  
  39      public function validate(Token $token, Constraint ...$constraints)
  40      {
  41          if ($constraints === []) {
  42              throw new NoConstraintsGiven('No constraint given.');
  43          }
  44  
  45          try {
  46              foreach ($constraints as $constraint) {
  47                  $constraint->assert($token);
  48              }
  49  
  50              return true;
  51          } catch (ConstraintViolation $e) {
  52              return false;
  53          }
  54      }
  55  }