Add db class and begin using it

app.py

@@ -49,11 +49,14 @@ def index():
         user = latosa.login_user(username, password)
         if user:
             login_user(user)
-            session = unquote(b64decode(form.session.data))
             client_id = form.client_id.data
+            session = form.session.data
+            if session:
+                session = unquote(b64decode(session))
             if session and client_id:
                 session_auth = Auth()
                 session_data = session_auth.decrypt(client_id, session)
+                session_key = session_data['session_key']
                 if 'redirect_to' in session_data:
                     response_data = {
                             'status': 'success',
@@ -63,7 +66,7 @@ def index():
                             'groups': user.groups,
                             'timestamp': time.time()
                             }
-                    cyphertext = session_auth.encrypt(client_id, response_data)
+                    cyphertext = session_auth.encrypt(session_key, response_data)
                     b64 = quote(b64encode(cyphertext).decode('utf-8'))
                     url = session_data['redirect_to']
                     redirect_to = f'{url}?session={b64}'

auth.py

@@ -2,16 +2,29 @@ import json
 
 from cryptography.fernet import Fernet
 
+from db import DB
+
 
 class Auth:
 
+    def __init__(self):
+        self.db = DB()
+
     def get_key(self, client_id):
-        return Fernet.generate_key()
+        bind_params = {'client_id': client_id}
+        return self.db.execute(
+            'SELECT client_secret FROM auth WHERE client_id = :client_id',
+            bind_params)[0]
+
+    def set_key(self, client_id, client_secret):
+        bind_params = {'client_id': client_id, 'client_secret': client_secret}
+        self.db.execute(
+            'INSERT INTO auth (client_id, client_secret) VALUES (:client_id, :client_secret)',
+            bind_params)
 
     def decrypt(self, cyphertext, client_id) -> dict:
         return json.loads(
             Fernet(self.get_key(client_id)).decrypt(cyphertext).decode())
 
-    def encrypt(self, data, client_id) -> bytes:
-        return Fernet(self.get_key(client_id)).encrypt(
-            json.dumps(data).encode('utf-8'))
+    def encrypt(self, session_key, data) -> bytes:
+        return Fernet(session_key).encrypt(json.dumps(data).encode('utf-8'))

db.py

@@ -0,0 +1,60 @@
+from os import mkdir
+from os.path import isdir
+
+from sqlalchemy import (BigInteger, Boolean, Column, Integer, MetaData, String,
+                        Table, create_engine, inspect)
+from sqlalchemy.engine.reflection import Inspector
+from sqlalchemy.sql import text
+from sqlalchemy_utils import create_database, database_exists
+
+
+class DB:
+
+    def __init__(self, db_url=None):
+        if db_url is None:
+            db_path = '/app/db'
+            if not isdir(db_path):
+                mkdir(db_path)
+            db_url = f'sqlite:///{db_path}/latosa.db'
+        db_engine = db_url.split('://')[0]
+        if not database_exists(db_url):
+            create_database(db_url)
+        self.engine = create_engine(db_url, echo=True)
+        self.inspector: Inspector = inspect(self.engine)
+        self.tables = {}
+        tables = [
+            Table(
+                'auth', MetaData(),
+                Column('id',
+                       BigInteger().with_variant(Integer, db_engine),
+                       primary_key=True), Column('client_id', String),
+                Column('client_secret', String)),
+            Table(
+                'users', MetaData(),
+                Column('id',
+                       BigInteger().with_variant(Integer, db_engine),
+                       primary_key=True), Column('uid', String),
+                Column('email', String), Column('groups', String),
+                Column('password_hash', String), Column('salt', String),
+                Column('is_active', Boolean), Column('is_admin', Boolean),
+                Column('is_anonymous', Boolean),
+                Column('display_name', String))
+        ]
+        if not database_exists(db_url):
+            create_database(db_url)
+        for table in tables:
+            self.tables[table.name] = table
+            if not self.inspector.has_table(table.name):
+                table.metadata.create_all(self.engine)
+
+    def connect(self):
+        return self.engine.connect()
+
+    def execute(self, s: str, bind_params: dict):
+        conn = self.connect()
+        res = conn.execute(text(s), bind_params)
+        conn.commit()
+        return res
+
+    def get_table(self, table_name):
+        return self.tables[table_name]

latosa.py

@@ -1,4 +1,5 @@
 import glob
+import secrets
 import sys
 
 import yaml
@@ -11,7 +12,8 @@ class LaToSa:
 
     def __init__(self, app: Flask):
         self.users = [
-            User(app, 'micke', 'Micke Nordin', 'hej@mic.ke', 'S3cr3t!')
+            User(app, 'micke', 'Micke Nordin', 'hej@mic.ke', 'S3cr3t!',
+                 secrets.token_hex(32))
         ]
 
     def get_users(self):

requirements.txt

@@ -4,3 +4,5 @@ flask-login==0.6.3
 flask-wtf==1.2.1
 flask==3.0.2
 pyyaml==6.0.1
+SQLAlchemy==2.0.27
+SQLAlchemy-Utils==0.41.1

user.py

@@ -1,7 +1,23 @@
+import os
+
 from flask import Flask
 from flask_bcrypt import Bcrypt
+
+from db import DB
+
+
 class User:
-    def __init__(self, app: Flask, uid: str, display_name: str, email:str, password: str, admin: bool = False, groups: list[str] = []):
+
+    def __init__(self,
+                 app: Flask,
+                 uid: str,
+                 display_name: str,
+                 email: str,
+                 password: str,
+                 salt: str,
+                 admin: bool = False,
+                 groups: list[str] = []):
+        self.db = DB()
         self.display_name = display_name
         self.email = email
         self.groups = groups
@@ -11,11 +27,14 @@ class User:
         self.is_authenticated = False
         self.uid = uid
         self.bcrypt = Bcrypt(app)
-        self.salt = self.get_salt()
-        self.password_hash = self.bcrypt.generate_password_hash(password + self.salt).decode('utf-8')
+        self.salt = salt
+        self.password_hash = self.bcrypt.generate_password_hash(
+            password + self.salt).decode('utf-8')
+        self.commit()
 
     def check_password(self, password: str):
-        return self.bcrypt.check_password_hash(self.password_hash, password + self.salt)
+        return self.bcrypt.check_password_hash(self.password_hash,
+                                               password + self.salt)
 
     def get_id(self):
         return self.uid
@@ -26,24 +45,55 @@ class User:
     def get_email(self):
         return self.email
 
-    def get_salt(self):
-        return "salt"
+    def get_groups(self):
+        return ','.join(self.groups)
 
     def set_active(self, active: bool):
         self.is_active = active
+        self.commit()
 
     def set_authenticated(self, authenticated: bool):
         self.is_authenticated = authenticated
-        
+        self.commit()
+
     def set_anonymous(self, anonymous: bool):
         self.is_anonymous = anonymous
-        
+        self.commit()
+
     def set_admin(self, admin: bool):
         self.is_admin = admin
+        self.commit()
 
     def set_email(self, email: str):
         self.email = email
-        
+        self.commit()
+
     def set_password(self, password: str):
-        self.password_hash = self.bcrypt.generate_password_hash(password + self.salt).decode('utf-8') 
+        self.password_hash = self.bcrypt.generate_password_hash(
+            password + self.salt).decode('utf-8')
+        self.commit()
+
+    def commit(self):
+        bind_params = {
+            'uid': self.uid,
+            'display_name': self.display_name,
+            'is_active': self.is_active,
+            'is_anonymous': self.is_anonymous,
+            'is_admin': self.is_admin,
+            'email': self.email,
+            'password_hash': self.password_hash,
+            'salt': self.salt,
+            'groups': self.get_groups(),
+        }
+        statement = "INSERT OR REPLACE INTO users (uid, display_name, is_active, is_anonymous, is_admin, email, password_hash, salt, groups) VALUES(:uid, :display_name, :is_active, :is_anonymous, :is_admin, :email, :password_hash, :salt, :groups)"
+        self.db.execute(statement, bind_params)
 
+    @staticmethod
+    def users_from_db() -> list:
+        db = DB()
+        statement = "SELECT * FROM users"
+        result = db.execute(statement, {})
+        users = []
+        for row in result:
+            users.append(User(**row))
+        return users