Переработана и протестирована регистрация

__init__.py

@@ -1,13 +1,14 @@
-from flask import Flask, render_template, request
-from flask_sqlalchemy import SQLAlchemy
-from flask_simplelogin import SimpleLogin
+from flask import render_template, request
+from db_routing import app
+import db_routing
+from flask_httpauth import HTTPBasicAuth
 import os
 import hashlib
-import sqlite3
 
-app = Flask(__name__, static_folder='static', template_folder='templates')
-app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///data.db'
-db = SQLAlchemy(app)
+
+if not os.path.exists('./data.db'):
+    db_routing.db.create_all()
+auth = HTTPBasicAuth()
 
 
 @app.route('/', methods=['GET'])
@@ -18,35 +19,37 @@ def index():
 @app.route('/registration', methods=['GET', 'POST'])
 def register():
     if request.method == 'POST':
-        UserLogin = request.form['UserLogin']
-        UserPass = request.form['UserPass']
-        if not find_user_copy(UserLogin):
-            db.session.add(UserLogin, passw_hash(UserPass))
-            db.session.commit()
-        # return render_template('your_page.html')
+        userLogin = request.form['UserLogin']
+        userPassw = request.form['UserPassw']
+        db_routing.add_user(userLogin, passw_hash(userPassw))
+    else:
+        print('Логин занят')
     return render_template('registration.html')
 
 
+@auth.verify_password
+def verify_password(user_login, user_passw):
+    user = db_routing.find_user(user_login)
+    if user:
+        userSalt = user[2][:32]
+        if passw_hash(user_passw, userSalt) == user[2]:
+            return True
+    else:
+        return False
+
+
 @app.route('/content', methods=['GET'])
+@auth.login_required
 def content():
     return render_template('content.html')
 
 
-@app.errorhandler(404)
-def not_found(error):
-    return render_template('404.html'), 404
+# @app.errorhandler(404)
+# def not_found(error):
+#     return render_template('404.html'), 404
 
 
-def find_user_copy(user_login):
-    con = sqlite3.connect('data.db')
-    with con:
-        cur = con.cursor()
-        exist = cur.execute('SELECT EXISTS ( SELECT UserLogin FROM Users Where UserLogin = ' + user_login + ' LIMIT 1')
-    return exist
-
-
-def passw_hash(user_passw):
-    salt = os.urandom(32)
+def passw_hash(user_passw, salt=os.urandom(32)):
     key = hashlib.pbkdf2_hmac('sha256', user_passw.encode('utf-8'), salt, 100000)
     storage = salt + key
     # salt_from_storage = storage[:32]  # 32 длина соли
@@ -55,4 +58,4 @@ def passw_hash(user_passw):
 
 
 if __name__ == '__main__':
-    app.run()
+    db_routing.app.run()

db_routing.py

@@ -0,0 +1,25 @@
+from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+
+
+app = Flask(__name__, static_folder='static', template_folder='templates')
+app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///data.db'
+db = SQLAlchemy(app)
+
+
+class User(db.Model):
+    __tablename__ = 'users'
+    UserID = db.Column(db.Integer, primary_key=True)
+    UserName = db.Column(db.String(80), unique=True, nullable=False)
+    UserPassw = db.Column(db.String(120), nullable=False)
+
+
+def add_user(user_name, passw_hash):
+    if not find_user(user_name):
+        new_user = User(UserName=user_name, UserPassw=passw_hash)
+        db.session.add(new_user)
+        db.session.commit()
+
+
+def find_user(user_name):
+    return User.query.filter_by(UserName=user_name).first()

templates/registration.html

@@ -72,7 +72,7 @@
                                 <div class="form__field-title" > 
                                     Введите пароль
                                 </div>
-                                <input type="text" class="form__input-text" placeholder="Введите пароль" name = "UserPass">
+                                <input type="text" class="form__input-text" placeholder="Введите пароль" name = "UserPassw">
                             </label>   
                         </div>
                         <div class="form__btns">