added user and group API and models

__init__.py

@@ -3,8 +3,10 @@
 Backend base module
 """
 
-from flask import Flask
+import jwt
+from flask import Flask, jsonify
 from flask_httpauth import HTTPTokenAuth, HTTPBasicAuth, MultiAuth
+from flask_jwt_extended import JWTManager, decode_token
 from flask_login import LoginManager
 from flask_sqlalchemy import SQLAlchemy
 
@@ -16,9 +18,32 @@ db = SQLAlchemy(app)
 login_manager = LoginManager()
 login_manager.init_app(app)
 
-jwt_auth = HTTPTokenAuth()
+# flask_jwt_extended: to be used usually by API
+jwt_extended = JWTManager(app)
+#
+jwt_auth = HTTPTokenAuth('Bearer')
+
+
+@jwt_auth.verify_token
+def verify_token(token):
+    """This function (and HTTPTokenAuth('Bearer')) has been defined to be used together with MultiAuth. For API calls
+    solely using JWT authentication, jwt_required of flask_jwt_extended should be used directly."""
+    app.logger.info(token)
+    try:
+        decoded = decode_token(token)
+    except jwt.exceptions.DecodeError as e:
+        app.logger.warn("Could not verify token: {}".format(str(e)))
+        return False
+    except jwt.exceptions.ExpiredSignatureError as e:
+        app.logger.warn("Could not verify token: {}".format(str(e)))
+        return False
+    app.logger.info(decoded)
+    return True
+    
+
 basic_auth = HTTPBasicAuth()
 multi_auth = MultiAuth(basic_auth, jwt_auth)
+
 from backend.auth import oidc_auth, auth_bp
 
 oidc_auth.init_app(app)
@@ -26,11 +51,13 @@ oidc_auth.init_app(app)
 # oidc_multi_auth = MultiAuth(oidc_auth, jwt_auth) <- can't work as OIDCAuthentication not implementing HTTPAuth
 
 from .serve_frontend import fe_bp
-from .api import auth_api_bp, api_bp
+from .api import auth_api_bp, api_v1, api_bp
 
 app.register_blueprint(auth_bp)
 app.register_blueprint(auth_api_bp)
 app.register_blueprint(api_bp)
 app.register_blueprint(fe_bp)
 
+# Fix flask-restplus by duck typing error handlers
+jwt_extended._set_error_handler_callbacks(api_v1)