jwt refresh token 1.0

.env

@@ -2,7 +2,7 @@
 SECRET_KEY=SUPER_SECRET_KEY
 ALGORITHM=HS256
 ACCESS_TOKEN_EXPIRE_MINUTES=30
-
+REFRESH_TOKEN_EXPIRE_MINUTES=6000
 # CORS-middleware
 # ALLOW_ORIGINS=*,  # "*" — разрешить всем; можно указать список конкретных доменов
 # ALLOW_CREDENTIALS=True,

server/backend/JWT.py

@@ -3,21 +3,47 @@ from jose import JWTError, jwt
 from fastapi import HTTPException, Depends, status
 from fastapi.security import OAuth2PasswordBearer
 
+from server.database import db
+
 from dotenv import load_dotenv                              #Работа с env для jwt
 import os
 load_dotenv()
 SECRET_KEY = os.getenv('SECRET_KEY')
 ALGORITHM = os.getenv('ALGORITHM')
 ACCESS_TOKEN_EXPIRE_MINUTES = int(os.getenv('ACCESS_TOKEN_EXPIRE_MINUTES'))
-
+REFRESH_TOKEN_EXPIRE_MINUTES = int(os.getenv('REFRESH_TOKEN_EXPIRE_MINUTES'))
 
 oauth2_scheme = OAuth2PasswordBearer(tokenUrl="login")      #Создание jwt
-async def create_access_token(data: dict, expires_delta: timedelta | None = None):
+class Token():
+    @staticmethod
+    async def create_token(data: dict, expires_delta: timedelta | None = None):
         to_encode = data.copy()
         expire = datetime.utcnow() + (expires_delta or timedelta(minutes=15))
         to_encode.update({"exp": expire})
         encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
         return encoded_jwt
+class AccessToken(Token):
+    @staticmethod
+    async def create(data:dict, expires_delta: timedelta | None = None):
+        return await Token.create_token(data, expires_delta)
+class RefreshToken(Token):
+    @staticmethod
+    async def create(data:dict, expires_delta: timedelta | None = None):
+        token_str = await Token.create_token(data, expires_delta)
+        await db.refresh_token(encoded_jwt = token_str,email=data["sub"])
+        return token_str
+# async def create_access_token(data: dict, expires_delta: timedelta | None = None):
+#     to_encode = data.copy()
+#     expire = datetime.utcnow() + (expires_delta or timedelta(minutes=15))
+#     to_encode.update({"exp": expire})
+#     encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
+#     return encoded_jwt
+# async def create_refresh_token(data:dict, expires_delta:timedelta | None = None):
+#     to_encode = data.copy()
+#     expire = datetime.utcnow() + (expires_delta or timedelta(minutes=6000))
+#     to_encode.update({"exp": expire})
+#     encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
+#     return encoded_jwt
 
 async def current_user(token: str = Depends(oauth2_scheme)): #Проверка jwt
     try:

server/backend/endpoints.py

@@ -87,8 +87,16 @@ async def login_user(row: pydentic.UserLogin):
     if not user:
         raise HTTPException(status_code=401, detail="The user isn't found")
 
-    token = await JWT.create_access_token(
+    access_token = await JWT.AccessToken.create(
         {"sub": user.email},
         timedelta(minutes=JWT.ACCESS_TOKEN_EXPIRE_MINUTES)
     )
-    return {"access_token": token, "token_type": "bearer"}
+    refresh_token = await JWT.RefreshToken.create(
+        {"sub": user.email},
+        timedelta(minutes=JWT.REFRESH_TOKEN_EXPIRE_MINUTES)
+    )
+    return {
+        "access_token": access_token,
+        "refresh_token": refresh_token,
+        "token_type": "bearer"
+    }

server/database/db.py

@@ -33,6 +33,7 @@ class User(Base):
     description = Column(String, nullable=False)
     activated = Column(Boolean, default=False)
     password = Column(String, nullable=False)
+    refresh_token = Column(String, nullable=True)
 
 async def init_db():
     async with async_engine.begin() as conn:
@@ -77,6 +78,13 @@ async def LoginUser(user_info):
         if user and verify_password(user_info.password, user.password):
             return user
         return None
+async def refresh_token(encoded_jwt, email):
+    async with AsyncSessionLocal() as session:
+        result = await session.execute(select(User).where(User.email==email))
+        user = result.scalar_one_or_none()
+        if user:
+            user.refresh_token = encoded_jwt
+            await session.commit()
 async def main():
     await init_db()
     #await CreateUser()

server/front/login/js.js

@@ -1,3 +1,6 @@
+//Разобраться с хранением и использованием refresh token
+//Добавить endpoint logout
+
 const token = localStorage.getItem("token");
 if (token) {
     window.location.href = "./../main/index.html";
@@ -21,11 +24,16 @@ document.getElementById('loginForm').addEventListener('submit', async function (
         });
 
         const data = await response.json();  // читаем только один раз
+        const remember_me = document.getElementById("remember").checked
+        if (response.ok) {                  // сохраняем только при успехе
+            if (remember_me) {        // если нажат чекбокс, то сохраняем в localstorage со стандартным временем действия
+                localStorage.setItem("token", data.access_token);
+              } else {                      // если не нажат, то в sessionstorage до перезахода в браузер(?)
+                sessionStorage.setItem("token", data.access_token);
+              }
             
-        if (response.ok) {
-            localStorage.setItem("token", data.access_token); // сохраняем только при успехе
             window.location.href = './../main/index.html';
-        } else {
+        } else {                            //парсинг и вывод ошибок, если есть
             if (Array.isArray(data.detail)) {
                 const messages = data.detail.map(e => {
                     const field = e.loc.filter(locPart => locPart !== 'body').join(' -> ');
@@ -42,7 +50,7 @@ document.getElementById('loginForm').addEventListener('submit', async function (
         showError(['Connection error: ' + err.message]);
     }
 });
-function showError(messages){
+function showError(messages){               //Добавление их на form со стилями
     let errorElem = document.getElementById('formError');
     let container = document.getElementById('glass-container');
     if (!errorElem){

server/front/main/index.html

@@ -9,6 +9,9 @@
 <body>
     <div class="glass-container">
         <div class="data-box">
+            <form id="logoutForm">
+                <button type="submit">Logout</button>
+            </form>
             <h2>data</h2>
             <form action="#" method="POST">
                 <p>Data</p>

server/front/main/js.js

@@ -1,4 +1,13 @@
-const token = localStorage.getItem("token");
+function tokenCheck(){
+    const token = localStorage.getItem("token") || sessionStorage.getItem("token");
     if (!token) {
         window.location.href = "./../login/index.html";
     }
+}
+
+tokenCheck()
+document.getElementById('logoutForm').addEventListener('submit', async function (e) {
+    e.preventDefault();
+    localStorage.removeItem("token");
+    tokenCheck();
+});

server/front/main/style.css

@@ -58,3 +58,17 @@ p {
     color: #fff;
     margin-top: 15px;
 }
+button {
+    background: #fff;
+    color: black;
+    padding: 10px;
+    border: none;
+    border-radius: 10px;
+    cursor: pointer;
+    margin-top: 15px;
+}
+button:hover {
+    background: transparent;
+    color: white;
+    outline: 1px solid #fff;
+}