add tests for load() and verify_signature()

Author: chillipino

tests/test_jwt.py

@@ -62,35 +62,70 @@ def test_decodes_valid_jwt(self):
         decoded_payload = jwt.decode(example_jwt, example_secret)
         self.assertEqual(decoded_payload, example_payload)
 
+    def test_load_verify_valid_jwt(self):
+        example_payload = {"hello": "world"}
+        example_secret = "secret"
+        example_jwt = (
+            b"eyJhbGciOiAiSFMyNTYiLCAidHlwIjogIkpXVCJ9"
+            b".eyJoZWxsbyI6ICJ3b3JsZCJ9"
+            b".tvagLDLoaiJKxOKqpBXSEGy7SYSifZhjntgm9ctpyj8")
+        decoded_payload, signing_input, header, signature = jwt.load(example_jwt)
+        jwt.verify_signature(decoded_payload, signing_input, header, signature, example_secret)
+        self.assertEqual(decoded_payload, example_payload)
+
     def test_allow_skip_verification(self):
         right_secret = 'foo'
         jwt_message = jwt.encode(self.payload, right_secret)
         decoded_payload = jwt.decode(jwt_message, verify=False)
         self.assertEqual(decoded_payload, self.payload)
 
+    def test_load_no_verification(self):
+        right_secret = 'foo'
+        jwt_message = jwt.encode(self.payload, right_secret)
+        decoded_payload, signing_input, header, signature = jwt.load(jwt_message)
+        self.assertEqual(decoded_payload, self.payload)
+
     def test_no_secret(self):
         right_secret = 'foo'
         jwt_message = jwt.encode(self.payload, right_secret)
 
         with self.assertRaises(jwt.DecodeError):
             jwt.decode(jwt_message)
 
+    def test_verify_signature_no_secret(self):
+        right_secret = 'foo'
+        jwt_message = jwt.encode(self.payload, right_secret)
+        decoded_payload, signing_input, header, signature = jwt.load(jwt_message)
+
+        with self.assertRaises(jwt.DecodeError):
+            jwt.verify_signature(decoded_payload, signing_input, header, signature)
+
     def test_invalid_crypto_alg(self):
         self.assertRaises(NotImplementedError, jwt.encode, self.payload,
                           "secret", "HS1024")
 
     def test_unicode_secret(self):
         secret = u'\xc2'
         jwt_message = jwt.encode(self.payload, secret)
+
         decoded_payload = jwt.decode(jwt_message, secret)
         self.assertEqual(decoded_payload, self.payload)
 
+        decoded_payload, signing_input, header, signature = jwt.load(jwt_message)
+        jwt.verify_signature(decoded_payload, signing_input, header, signature, secret)
+        self.assertEqual(decoded_payload, self.payload)
+
     def test_nonascii_secret(self):
         secret = '\xc2'  # char value that ascii codec cannot decode
         jwt_message = jwt.encode(self.payload, secret)
+
         decoded_payload = jwt.decode(jwt_message, secret)
         self.assertEqual(decoded_payload, self.payload)
 
+        decoded_payload, signing_input, header, signature = jwt.load(jwt_message)
+        jwt.verify_signature(decoded_payload, signing_input, header, signature, secret)
+        self.assertEqual(decoded_payload, self.payload)
+
     def test_decode_unicode_value(self):
         example_payload = {"hello": "world"}
         example_secret = "secret"
@@ -100,13 +135,17 @@ def test_decode_unicode_value(self):
             ".tvagLDLoaiJKxOKqpBXSEGy7SYSifZhjntgm9ctpyj8")
         decoded_payload = jwt.decode(example_jwt, example_secret)
         self.assertEqual(decoded_payload, example_payload)
+        decoded_payload, signing_input, header, signature = jwt.load(example_jwt)
+        self.assertEqual(decoded_payload, example_payload)
 
     def test_decode_invalid_header_padding(self):
         example_jwt = (
             "aeyJhbGciOiAiSFMyNTYiLCAidHlwIjogIkpXVCJ9"
             ".eyJoZWxsbyI6ICJ3b3JsZCJ9"
             ".tvagLDLoaiJKxOKqpBXSEGy7SYSifZhjntgm9ctpyj8")
         example_secret = "secret"
+        with self.assertRaises(jwt.DecodeError):
+            jwt.load(example_jwt)
         with self.assertRaises(jwt.DecodeError):
             jwt.decode(example_jwt, example_secret)
 
@@ -116,6 +155,8 @@ def test_decode_invalid_header_string(self):
             ".eyJoZWxsbyI6ICJ3b3JsZCJ9"
             ".tvagLDLoaiJKxOKqpBXSEGy7SYSifZhjntgm9ctpyj8")
         example_secret = "secret"
+        with self.assertRaisesRegexp(jwt.DecodeError, "Invalid header string"):
+            jwt.load(example_jwt)
         with self.assertRaisesRegexp(jwt.DecodeError, "Invalid header string"):
             jwt.decode(example_jwt, example_secret)
 
@@ -125,6 +166,8 @@ def test_decode_invalid_payload_padding(self):
             ".aeyJoZWxsbyI6ICJ3b3JsZCJ9"
             ".tvagLDLoaiJKxOKqpBXSEGy7SYSifZhjntgm9ctpyj8")
         example_secret = "secret"
+        with self.assertRaises(jwt.DecodeError):
+            jwt.load(example_jwt)
         with self.assertRaises(jwt.DecodeError):
             jwt.decode(example_jwt, example_secret)
 
@@ -134,6 +177,9 @@ def test_decode_invalid_payload_string(self):
             ".eyJoZWxsb-kiOiAid29ybGQifQ=="
             ".tvagLDLoaiJKxOKqpBXSEGy7SYSifZhjntgm9ctpyj8")
         example_secret = "secret"
+        with self.assertRaisesRegexp(jwt.DecodeError,
+                                     "Invalid payload string"):
+            jwt.load(example_jwt)
         with self.assertRaisesRegexp(jwt.DecodeError,
                                      "Invalid payload string"):
             jwt.decode(example_jwt, example_secret)
@@ -144,34 +190,52 @@ def test_decode_invalid_crypto_padding(self):
             ".eyJoZWxsbyI6ICJ3b3JsZCJ9"
             ".aatvagLDLoaiJKxOKqpBXSEGy7SYSifZhjntgm9ctpyj8")
         example_secret = "secret"
+        with self.assertRaises(jwt.DecodeError):
+            jwt.load(example_jwt)
         with self.assertRaises(jwt.DecodeError):
             jwt.decode(example_jwt, example_secret)
 
     def test_decode_with_expiration(self):
         self.payload['exp'] = utc_timestamp() - 1
         secret = 'secret'
         jwt_message = jwt.encode(self.payload, secret)
+
         with self.assertRaises(jwt.ExpiredSignature):
             jwt.decode(jwt_message, secret)
 
+        decoded_payload, signing_input, header, signature = jwt.load(jwt_message)
+        with self.assertRaises(jwt.ExpiredSignature):
+            jwt.verify_signature(decoded_payload, signing_input, header, signature, secret)
+
     def test_decode_skip_expiration_verification(self):
         self.payload['exp'] = time.time() - 1
         secret = 'secret'
         jwt_message = jwt.encode(self.payload, secret)
+
         jwt.decode(jwt_message, secret, verify_expiration=False)
 
+        decoded_payload, signing_input, header, signature = jwt.load(jwt_message)
+        jwt.verify_signature(decoded_payload, signing_input, header, signature, secret, verify_expiration=False)
+
     def test_decode_with_expiration_with_leeway(self):
         self.payload['exp'] = utc_timestamp() - 2
         secret = 'secret'
         jwt_message = jwt.encode(self.payload, secret)
 
+        decoded_payload, signing_input, header, signature = jwt.load(jwt_message)
+
         # With 3 seconds leeway, should be ok
         jwt.decode(jwt_message, secret, leeway=3)
 
-        # With 1 secondes, should fail
+        jwt.verify_signature(decoded_payload, signing_input, header, signature, secret, leeway=3)
+
+        # With 1 second, should fail
         with self.assertRaises(jwt.ExpiredSignature):
             jwt.decode(jwt_message, secret, leeway=1)
 
+        with self.assertRaises(jwt.ExpiredSignature):
+            jwt.verify_signature(decoded_payload, signing_input, header, signature, secret, leeway=1)
+
     def test_encode_decode_with_rsa_sha256(self):
         try:
             from Crypto.PublicKey import RSA
@@ -183,6 +247,9 @@ def test_encode_decode_with_rsa_sha256(self):
             with open('tests/testkey.pub','r') as rsa_pub_file:
                 pub_rsakey = RSA.importKey(rsa_pub_file.read())
                 assert jwt.decode(jwt_message, pub_rsakey)
+
+                load_output = jwt.load(jwt_message)
+                jwt.verify_signature(key=pub_rsakey, *load_output)
         except ImportError:
             pass
 
@@ -197,6 +264,9 @@ def test_encode_decode_with_rsa_sha384(self):
             with open('tests/testkey.pub','r') as rsa_pub_file:
                 pub_rsakey = RSA.importKey(rsa_pub_file.read())
                 assert jwt.decode(jwt_message, pub_rsakey)
+
+                load_output = jwt.load(jwt_message)
+                jwt.verify_signature(key=pub_rsakey, *load_output)
         except ImportError:
             pass
 
@@ -211,6 +281,9 @@ def test_encode_decode_with_rsa_sha512(self):
             with open('tests/testkey.pub','r') as rsa_pub_file:
                 pub_rsakey = RSA.importKey(rsa_pub_file.read())
                 assert jwt.decode(jwt_message, pub_rsakey)
+
+                load_output = jwt.load(jwt_message)
+                jwt.verify_signature(key=pub_rsakey, *load_output)
         except ImportError:
             pass