Add UsernamePasswordService, SessionLoginWrapper

.gitignore

@@ -3,3 +3,4 @@ MANIFEST
 build/
 *.egg-info/
 *.eggs/
+venv/
\ No newline at end of file

TheCodeLabs_FlaskUtils/TheCodeLabs_FlaskUtils/auth/SessionLoginWrapper.py

+from functools import wraps
+
+from flask import session, redirect, url_for
+
+
+def require_login(func):
+    @wraps(func)
+    def check_token(*args, **kwargs):
+        if 'authorized' not in session:
+            return redirect(url_for('authentication.login'))
+
+        # redirect to requested url
+        return func(*args, **kwargs)
+
+    return check_token

TheCodeLabs_FlaskUtils/TheCodeLabs_FlaskUtils/auth/UsernamePasswordService.py

+import bcrypt
+
+
+class UserService:
+    def __init__(self, users):
+        self.__users = {}
+        for user in users:
+            self.__users[user["name"].lower()] = user["password"]
+
+    def get_users(self):
+        return self.__users
+
+    def is_password_valid(self, name: str, password: str) -> bool:
+        saved_password = self.__users.get(name.lower(), None)
+        if saved_password is None:
+            raise ValueError(f'User {name} not found')
+        return bcrypt.checkpw(password.encode(), saved_password.encode())

TheCodeLabs_FlaskUtils/setup.py

@@ -14,6 +14,7 @@ setup(
     install_requires=[
         'flask',
         'gevent'
+        'bcrypt'
     ],
     setup_requires=[
         'wheel'