Add support for extra_claims

CHANGELOG.md

@@ -7,6 +7,9 @@ The format is based on the [KeepAChangeLog] project.
 
 ## 0.13.0 [Unreleased]
 
+### Added
+- [] Ability to specify additional supported claims for oic.Provider
+
 ### Fixed
 - [#430] Audience of a client assertion is endpoint dependent.
 - [#427] Made matching for response_types order independent for authorization requests

src/oic/oic/provider.py

@@ -234,7 +234,8 @@ def __init__(self, name, sdb, cdb, authn_broker, userinfo, authz,
                  client_authn, symkey=None, urlmap=None, ca_certs="", keyjar=None,
                  hostname="", template_lookup=None, template=None,
                  verify_ssl=True, capabilities=None, schema=OpenIDSchema,
-                 jwks_uri='', jwks_name='', baseurl=None, client_cert=None):
+                 jwks_uri='', jwks_name='', baseurl=None, client_cert=None,
+                 extra_claims=None):
 
         AProvider.__init__(self, name, sdb, cdb, authn_broker, authz,
                            client_authn, symkey, urlmap, ca_bundle=ca_certs,
@@ -270,6 +271,8 @@ def __init__(self, name, sdb, cdb, authn_broker, userinfo, authz,
         self.preferred_id_type = "public"
         self.hostname = hostname or socket.gethostname()
 
+        self.extra_claims = extra_claims
+
         for endp in self.endp:
             if endp.etype == 'registration':
                 endpoint = urljoin(self.baseurl, endp.url)
@@ -1692,6 +1695,8 @@ def provider_features(self, pcr_class=ProviderConfigurationResponse):
         _claims = []
         for _cl in SCOPE2CLAIMS.values():
             _claims.extend(_cl)
+        if self.extra_claims is not None:
+            _claims.extend(self.extra_claims)
         _provider_info["claims_supported"] = list(set(_claims))
 
         _scopes = list(SCOPE2CLAIMS.keys())

tests/test_oic_provider.py

@@ -215,6 +215,12 @@ def test_authorization_endpoint(self):
         assert parsed["state"][0] == "id-6da9ca0cc23959f5f33e8becd9b08cae"
         assert "code" in parsed
 
+    def test_provider_features_extra_claims(self):
+        self.provider.extra_claims = ['claim_1', 'claim_2']
+        features = self.provider.provider_features()
+        assert 'claim_1' in features['claims_supported']
+        assert 'claim_2' in features['claims_supported']
+
     def test_authorization_endpoint_request(self):
         bib = {"scope": ["openid"],
                "state": "id-6da9ca0cc23959f5f33e8becd9b08cae",