simplified app configuration process

imaginaerraum_door_admin/__init__.py

@@ -5,7 +5,6 @@ from flask_security import Security, SQLAlchemyUserDatastore, hash_password
 from email_validator import validate_email
 from pathlib import Path
 
-#from .webapp import door_app
 from .door_handle import DoorHandle
 
 security = Security()
@@ -63,6 +62,7 @@ def create_super_admins(app, db, user_datastore, logger):
                                                        roles=roles)
         db.session.commit()
 
+
 def setup_logging(app):
     # set up logging for the web app
     logger = logging.getLogger('webapp')
@@ -86,6 +86,7 @@ def setup_logging(app):
 
     return logger
 
+
 def create_app():
     app = Flask(__name__)
     app.config.from_object('imaginaerraum_door_admin.default_app_config.DefaultConfig')
@@ -93,48 +94,20 @@ def create_app():
 
     logger = setup_logging(app)
 
-    # do some checks for file existence etc.
-    try:
-        with open(app.config['KEY_FILE']) as f:
-            data = f.readlines()
-            if 'SECRET_KEY' in data[0]:
-                secret_key = data[0].split()[-1]
-            else:
-                raise Exception("Could not read SECURITY_PASSWORD_SALT")
-            if 'SECURITY_PASSWORD_SALT' in data[1]:
-                security_password_salt = data[1].split()[-1]
-            else:
-                raise Exception("Could not read SECURITY_PASSWORD_SALT")
-    except Exception as e:
+    token_file = Path(app.config.get('TOKEN_FILE'))
+    if not token_file.exists():
         logger.warning(
-            f"Flask keys could not be read from file at {Path(app.config['KEY_FILE']).absolute()}. Exception: {e}. Using default values instead.")
-        secret_key = 'Q7PJu2fg2jabYwP-Psop6c6f2G4'
-        security_password_salt = '10036796768252925167749545152988277953'
+            f"Token file not found at {token_file.absolute()}. "
+            "An empty token file will be created."
+        )
+        token_file.touch()
 
-    if Path(app.config['TEMPLATE_FOLDER']).is_absolute():
-        if not Path(app.config['TEMPLATE_FOLDER']).exists():
-            logger.error(
-                f"Flask template folder not found at {Path(app.config['TEMPLATE_FOLDER']).absolute()}")
-    else:
-        if not (Path(__file__).parent / app.config['TEMPLATE_FOLDER']).exists():
-            logger.error(
-                f"Flask template folder not found at {(Path(__file__).parent / app.config['TEMPLATE_FOLDER']).absolute()}")
-    if Path(app.config['STATIC_FOLDER']).is_absolute():
-        if not Path(app.config['STATIC_FOLDER']).exists():
-            logger.error(
-                f"Flask static folder not found at {Path(app.config['STATIC_FOLDER']).absolute()}")
-    else:
-        if not (Path(__file__).parent / app.config['STATIC_FOLDER']).exists():
-            logger.error(
-                f"Flask static folder not found at {(Path(__file__).parent / app.config['STATIC_FOLDER']).absolute()}")
-    if not Path(app.config['TOKEN_FILE']).exists():
-        logger.warning(
-            f"Token file not found at {Path(app.config['TOKEN_FILE']).absolute()}")
-
-    # create door objects which provides access to the token file and current door state via MQTT
-    app.door = DoorHandle(token_file=app.config['TOKEN_FILE'], mqtt_host=app.config['MQTT_HOST'],
-                      nfc_socket=app.config['NFC_SOCKET'],
-                      logger=logger)
+    # create door objects which provides access to the token file and current
+    # door state via MQTT
+    app.door = DoorHandle(
+        token_file=token_file, mqtt_host=app.config['MQTT_HOST'],
+        nfc_socket=app.config['NFC_SOCKET'], logger=logger
+    )
 
     # Mail Config
     #mail = Mail(app)
@@ -153,4 +126,4 @@ def create_app():
 
     create_super_admins(app, db, user_datastore, logger)
 
-    return app
+    return app

imaginaerraum_door_admin/default_app_config.py

@@ -11,9 +11,6 @@ class DefaultConfig(object):
 
     SECRET_KEY = 'supersecret'
 
-    TEMPLATE_FOLDER = 'templates'
-    STATIC_FOLDER = 'static'
-
     SECURITY_REGISTERABLE = False
     SECURITY_CHANGEABLE = True
     SECURITY_RECOVERABLE = True
@@ -47,7 +44,8 @@ class DefaultConfig(object):
     }
 
     KEY_FILE = '/root/flask_keys'
-    TOKEN_FILE = "/etc/door_tokens"
+    TOKEN_FILE = "door_tokens"
+    ADMIN_FILE = 'admins'
 
     LDAP_URL = "ldaps://ldap.imaginaerraum.de"
     LDAP_USER_GROUP = 'Users'
@@ -55,6 +53,6 @@ class DefaultConfig(object):
     LDAP_DOMAIN_EXT = 'de'
 
     NFC_SOCKET = "/tmp/nfc.sock"
-    LOG_FILE = "/var/log/webinterface.log"
-    NFC_LOG = "/var/log/nfc.log"
+    LOG_FILE = "webinterface.log"
+    NFC_LOG = "nfc.log"
     MQTT_HOST = '10.10.21.2'