moved everything to a new module called backend

backend/__init__.py

@@ -0,0 +1,70 @@
+# -*- coding: utf-8 -*-
+"""
+Backend base module
+"""
+
+import jwt
+import requests
+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
+from flask_cors import CORS
+
+app = Flask(__name__)
+app.config.from_object('backend.config.Config')
+db = SQLAlchemy(app)
+
+
+login_manager = LoginManager()
+login_manager.init_app(app)
+
+# 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
+
+try:
+    oidc_auth.init_app(app)
+except requests.exceptions.ConnectionError as err:
+    app.logger.error("Could not connect to OIDC!!", err)
+
+# 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_v1, api_bp
+
+app.register_blueprint(auth_bp)
+app.register_blueprint(auth_api_bp)
+app.register_blueprint(api_bp)
+app.register_blueprint(fe_bp)
+
+CORS(app)
+CORS(api_bp)
+
+# Fix flask-restplus by duck typing error handlers
+jwt_extended._set_error_handler_callbacks(api_v1)
+