added OpenID Connect support

auth/__init__.py

@@ -0,0 +1,6 @@
+#  Copyright (c) 2019. Tobias Kurze
+from backend.auth.oidc import OIDCAuthentication
+
+from backend.auth.oidc_config import PROVIDERS
+
+oidc_auth = OIDCAuthentication(PROVIDERS)

auth/oidc.py

@@ -0,0 +1,11 @@
+#  Copyright (c) 2019. Tobias Kurze
+from flask_pyoidc.flask_pyoidc import OIDCAuthentication
+from backend.auth.oidc_config import PROVIDER_NAME
+
+
+def oidc_auth_default_provider(self):
+    return self.oidc_auth_orig(PROVIDER_NAME)
+
+
+OIDCAuthentication.oidc_auth_orig = OIDCAuthentication.oidc_auth
+OIDCAuthentication.oidc_auth = oidc_auth_default_provider

auth/oidc_config.py

@@ -0,0 +1,14 @@
+#  Copyright (c) 2019. Tobias Kurze
+from flask_pyoidc.provider_configuration import ClientMetadata, ProviderConfiguration
+
+REG_RESPONSE_CLIENT_ID = "lrc-test-bibliothek-kit-edu"
+REG_RESPONSE_CLIENT_SECRET = "d8531b30-0e6b-4280-b611-1e6c8b4911fa"
+
+CLIENT_METADATA = ClientMetadata(REG_RESPONSE_CLIENT_ID, REG_RESPONSE_CLIENT_SECRET)
+
+PROVIDER_URL = "https://oidc.scc.kit.edu/auth/realms/kit"
+PROVIDER_NAME = 'kit_oidc'
+PROVIDER_CONFIG = ProviderConfiguration(issuer=PROVIDER_URL,
+                                        client_metadata=CLIENT_METADATA)
+
+PROVIDERS = {PROVIDER_NAME: PROVIDER_CONFIG}