Add code for each Exception

src/BeforeValidException.php

@@ -2,7 +2,7 @@
 
 namespace Firebase\JWT;
 
-class BeforeValidException extends \UnexpectedValueException implements JWTExceptionWithPayloadInterface
+class BeforeValidException extends \UnexpectedValueException implements JWTExceptionWithPayloadInterface, JwtExceptionInterface
 {
     private object $payload;
 

src/CachedKeySet.php

@@ -101,7 +101,10 @@ public function __construct(
     public function offsetGet($keyId): Key
     {
         if (!$this->keyIdExists($keyId)) {
-            throw new OutOfBoundsException('Key ID not found');
+            throw new OutOfBoundsException(
+                'Key ID not found',
+                JwtExceptionInterface::KEY_ID_NOT_FOUND
+            );
         }
         return JWK::parseKey($this->keySet[$keyId], $this->defaultAlg);
     }
@@ -121,15 +124,21 @@ public function offsetExists($keyId): bool
      */
     public function offsetSet($offset, $value): void
     {
-        throw new LogicException('Method not implemented');
+        throw new LogicException(
+            'Method not implemented',
+            JwtExceptionInterface::OFFSET_SET_METHOD_NOT_IMPLEMENTED
+        );
     }
 
     /**
      * @param string $offset
      */
     public function offsetUnset($offset): void
     {
-        throw new LogicException('Method not implemented');
+        throw new LogicException(
+            'Method not implemented',
+            JwtExceptionInterface::OFFSET_UNSET_METHOD_NOT_IMPLEMENTED
+        );
     }
 
     /**
@@ -140,11 +149,11 @@ private function formatJwksForCache(string $jwks): array
         $jwks = json_decode($jwks, true);
 
         if (!isset($jwks['keys'])) {
-            throw new UnexpectedValueException('"keys" member must exist in the JWK Set');
+            throw new UnexpectedValueException('"keys" member must exist in the JWK Set', JwtExceptionInterface::CACHED_KEY_MISSING);
         }
 
         if (empty($jwks['keys'])) {
-            throw new InvalidArgumentException('JWK Set did not contain any keys');
+            throw new InvalidArgumentException('JWK Set did not contain any keys', JwtExceptionInterface::CACHED_KEY_EMPTY);
         }
 
         $keys = [];
@@ -185,7 +194,7 @@ private function keyIdExists(string $keyId): bool
                         $jwksResponse->getReasonPhrase(),
                         $this->jwksUri,
                     ),
-                    $jwksResponse->getStatusCode()
+                    JwtExceptionInterface::CACHED_KEY_GET_JWK
                 );
             }
             $this->keySet = $this->formatJwksForCache((string) $jwksResponse->getBody());
@@ -243,7 +252,10 @@ private function getCacheItem(): CacheItemInterface
     private function setCacheKeys(): void
     {
         if (empty($this->jwksUri)) {
-            throw new RuntimeException('JWKS URI is empty');
+            throw new RuntimeException(
+                'JWKS URI is empty',
+                JwtExceptionInterface::JWKS_URI_IS_EMPTY
+            );
         }
 
         // ensure we do not have illegal characters

src/ExpiredException.php

@@ -2,7 +2,7 @@
 
 namespace Firebase\JWT;
 
-class ExpiredException extends \UnexpectedValueException implements JWTExceptionWithPayloadInterface
+class ExpiredException extends \UnexpectedValueException implements JWTExceptionWithPayloadInterface, JwtExceptionInterface
 {
     private object $payload;
 

src/JWK.php

@@ -57,11 +57,17 @@ public static function parseKeySet(array $jwks, ?string $defaultAlg = null): arr
         $keys = [];
 
         if (!isset($jwks['keys'])) {
-            throw new UnexpectedValueException('"keys" member must exist in the JWK Set');
+            throw new UnexpectedValueException(
+                '"keys" member must exist in the JWK Set',
+                JwtExceptionInterface::JWK_MISSING_KEYS
+            );
         }
 
         if (empty($jwks['keys'])) {
-            throw new InvalidArgumentException('JWK Set did not contain any keys');
+            throw new InvalidArgumentException(
+                'JWK Set did not contain any keys',
+                JwtExceptionInterface::JWT_KEYS_IS_EMPTY
+            );
         }
 
         foreach ($jwks['keys'] as $k => $v) {
@@ -72,7 +78,11 @@ public static function parseKeySet(array $jwks, ?string $defaultAlg = null): arr
         }
 
         if (0 === \count($keys)) {
-            throw new UnexpectedValueException('No supported algorithms found in JWK Set');
+            throw new UnexpectedValueException(
+                'No supported algorithms found in JWK Set',
+                JwtExceptionInterface::JWT_ALGORITHM_NOT_SUPPORTED
+
+            );
         }
 
         return $keys;
@@ -96,11 +106,17 @@ public static function parseKeySet(array $jwks, ?string $defaultAlg = null): arr
     public static function parseKey(array $jwk, ?string $defaultAlg = null): ?Key
     {
         if (empty($jwk)) {
-            throw new InvalidArgumentException('JWK must not be empty');
+            throw new InvalidArgumentException(
+                'JWK must not be empty',
+                JwtExceptionInterface::JWK_IS_EMPTY
+            );
         }
 
         if (!isset($jwk['kty'])) {
-            throw new UnexpectedValueException('JWK must contain a "kty" parameter');
+            throw new UnexpectedValueException(
+                'JWK must contain a "kty" parameter',
+                JwtExceptionInterface::JWT_MISSING_KTY_PARAMETER
+            );
         }
 
         if (!isset($jwk['alg'])) {
@@ -109,64 +125,86 @@ public static function parseKey(array $jwk, ?string $defaultAlg = null): ?Key
                 // for parsing in this library. Use the $defaultAlg parameter when parsing the
                 // key set in order to prevent this error.
                 // @see https://datatracker.ietf.org/doc/html/rfc7517#section-4.4
-                throw new UnexpectedValueException('JWK must contain an "alg" parameter');
+                throw new UnexpectedValueException(
+                    'JWK must contain an "alg" parameter',
+                    JwtExceptionInterface::JWT_MISSING_ALG_PARAMETER
+                );
             }
             $jwk['alg'] = $defaultAlg;
         }
 
         switch ($jwk['kty']) {
             case 'RSA':
                 if (!empty($jwk['d'])) {
-                    throw new UnexpectedValueException('RSA private keys are not supported');
+                    throw new UnexpectedValueException(
+                        'RSA private keys are not supported',
+                        JwtExceptionInterface::JWT_RSA_KEYS_NOT_SUPPORTED
+                    );
                 }
                 if (!isset($jwk['n']) || !isset($jwk['e'])) {
-                    throw new UnexpectedValueException('RSA keys must contain values for both "n" and "e"');
+                    throw new UnexpectedValueException(
+                        'RSA keys must contain values for both "n" and "e"',
+                        JwtExceptionInterface::JWT_RSA_KEYS_MISSING_N_AND_E
+                    );
                 }
 
                 $pem = self::createPemFromModulusAndExponent($jwk['n'], $jwk['e']);
                 $publicKey = \openssl_pkey_get_public($pem);
                 if (false === $publicKey) {
                     throw new DomainException(
-                        'OpenSSL error: ' . \openssl_error_string()
+                        'OpenSSL error: ' . \openssl_error_string(),
+                        JwtExceptionInterface::JWT_OPEN_SSL_ERROR
                     );
                 }
                 return new Key($publicKey, $jwk['alg']);
             case 'EC':
                 if (isset($jwk['d'])) {
                     // The key is actually a private key
-                    throw new UnexpectedValueException('Key data must be for a public key');
+                    throw new UnexpectedValueException(
+                        'Key data must be for a public key',
+                        JwtExceptionInterface::JWK_EC_D_IS_NOT_SET
+                    );
                 }
 
                 if (empty($jwk['crv'])) {
-                    throw new UnexpectedValueException('crv not set');
+                    throw new UnexpectedValueException(
+                        'crv not set',
+                        JwtExceptionInterface::JWT_EC_CRV_IS_EMPTY
+                    );
                 }
 
                 if (!isset(self::EC_CURVES[$jwk['crv']])) {
-                    throw new DomainException('Unrecognised or unsupported EC curve');
+                    throw new DomainException(
+                        'Unrecognised or unsupported EC curve',
+                        JwtExceptionInterface::JWK_UNSUPPORTED_EC_CURVE
+                    );
                 }
 
                 if (empty($jwk['x']) || empty($jwk['y'])) {
-                    throw new UnexpectedValueException('x and y not set');
+                    throw new UnexpectedValueException(
+                        'x and y not set',
+                        JwtExceptionInterface::JWT_X_AND_Y_ARE_EMPTY
+                    );
                 }
 
                 $publicKey = self::createPemFromCrvAndXYCoordinates($jwk['crv'], $jwk['x'], $jwk['y']);
                 return new Key($publicKey, $jwk['alg']);
             case 'OKP':
                 if (isset($jwk['d'])) {
                     // The key is actually a private key
-                    throw new UnexpectedValueException('Key data must be for a public key');
+                    throw new UnexpectedValueException('Key data must be for a public key', JwtExceptionInterface::JWK_OKP_MISSING);
                 }
 
                 if (!isset($jwk['crv'])) {
-                    throw new UnexpectedValueException('crv not set');
+                    throw new UnexpectedValueException('crv not set', JwtExceptionInterface::JWT_CRV_MISSING);
                 }
 
                 if (empty(self::OKP_SUBTYPES[$jwk['crv']])) {
-                    throw new DomainException('Unrecognised or unsupported OKP key subtype');
+                    throw new DomainException('Unrecognised or unsupported OKP key subtype', JwtExceptionInterface::JWT_CRV_UNSUPPORTED);
                 }
 
                 if (empty($jwk['x'])) {
-                    throw new UnexpectedValueException('x not set');
+                    throw new UnexpectedValueException('x not set', JwtExceptionInterface::JWT_X_MISSING);
                 }
 
                 // This library works internally with EdDSA keys (Ed25519) encoded in standard base64.