finish off login

pairent_backend/pairent_app/views.py

@@ -251,6 +251,9 @@ class UserLogin(APIView):
     @csrf_exempt
     def post(self, req: HttpRequest):
 
+        # for debug purposes
+        # return HttpResponse("""{"user_data": {"id": 1, "name": "\u041d\u0438\u043a\u0438\u0442\u0430 \u041f\u0443\u0441\u0442\u043e\u0432\u0430\u043b\u043e\u0432", "date_of_birth": null, "about_me": "", "gender": "?", "phone": "+00000", "email": null, "telegram": null, "discord": null, "city": null, "role": "s", "photo_provider": "VVSU", "openid_addr": "blek__@vvsu.ru", "openid_id": "096C78CD-4943-4D57-BC6D-5CDE12F686E3"}, "new_user": false, "token": {"id": 2, "user": 1, "key": "e1c24581-523a-4f60-973f-02ba873b3edc", "expires": 1684423572, "ip": "127.0.0.1"}}""");
+
         if (req.session.has_key('auth_data')):
             # TODO: Return user object instead of error
             return JsonResponse({'error': 'already authenticated'})

pairent_frontend_react/src/API/User.js

@@ -21,30 +21,44 @@ class IAPIObject {
      */
     static storage_key = undefined;
 
-    /** @returns {ThisType} */
-    static restoreFromLocalStorage() {
-        if (storage_key !== undefined) {
+    static _checkStorageSupport() {
+        if (storage_key === undefined) {
             throw Error('This doesn\'t support local storage');
         }
+    }
+
+    _getStorageKey() {
+        return Object.getPrototypeOf(this).constructor.storage_key;
+    }
+
+    _IcheckStorageSupport() {
+        if (this._getStorageKey() === undefined) {
+            throw Error('This doesn\'t support local storage');
+        }
+    }
+
+    /** @returns {ThisType} */
+    static restoreFromLocalStorage() {
+        _checkStorageSupport();
         if (!window.localStorage.getItem(storage_key))
             return false;
         return new APIToken(window.localStorage.getItem(storage_key));
     }
 
+    /** @returns {boolean} */
+    static isCached() {
+        _checkStorageSupport();
+    }
+
     /**
      * Save this object to local storage
      * @throws {QuotaExceededError}
      * @returns {void}
      */
     saveToLocalStorage() {
+        this._IcheckStorageSupport();
 
-        // static this
-        sthis = Object.getPrototypeOf(this);
-
-        if (sthis.storage_key !== undefined) {
-            throw Error('This doesn\'t support local storage');
-        }
-        window.localStorage.setItem(sthis.storage_key, this);
+        window.localStorage.setItem(this._getStorageKey(), JSON.stringify(this));
     }
 }
 
@@ -53,6 +67,7 @@ class APIToken extends IAPIObject {
     static storage_key = 'pairent_api_key';
 
     constructor(data) {
+        super();
         this.user       = data.user;
         this.key        = data.key;
         this.expires    = data.expires;
@@ -76,9 +91,14 @@ class APIToken extends IAPIObject {
 
 class User extends IAPIObject {
 
+    isLoggedIn() {
+        return false;
+    }
+
     static storage_key = 'pairent_user_data';
 
     constructor(data) {
+        super();
         for (const key in data) {
             this[key] = data[key];
         }
@@ -107,9 +127,14 @@ class User extends IAPIObject {
         }
 
         const data = await axios.post(api_path('/api/auth/user/login'), response);
+        if (data.status !== 200) {
+            return false;
+        }
 
-        window.localStorage.setItem(APIToken.storage_key, data.data.token);
-        window.localStorage.setItem(User.storage_key, data.data.user_data);
+        if (!data.data.error) {
+            new APIToken(data.data.token).saveToLocalStorage();
+            new User(data.data.user_data).saveToLocalStorage();
+        }
 
         return data.data;
     }

pairent_frontend_react/src/pages/LoggedIn/index.jsx

@@ -4,7 +4,6 @@ import { HashLoader } from "react-spinners";
 import { SigninResponse, UserManager } from 'oidc-client-ts';
 import { User } from "../../API/User";
 import FloatingBox from "../../components/UI/FloatingBox";
-import { useNavigate } from "react-router-dom";
 
 import constants from "../../constants";
 
@@ -33,11 +32,11 @@ export default class LoggedIn extends React.Component {
     constructor(props) {
         super(props);
         this.response = new SigninResponse(new URL(window.location.href).searchParams);
-
     }
 
     async componentDidMount() {
         if (this.response.error) return;
+        window.localStorage.removeItem('auth_fail');
 
         let code_verifier = '?';
         // get code verifier
@@ -50,11 +49,19 @@ export default class LoggedIn extends React.Component {
         }
 
         const response = await User.login({...this.response, code_verifier});
+
+        if (response.error) {
+            // pass the data to LoginPage
+            window.localStorage.setItem('auth_fail', JSON.stringify(response));
+            window.location.href = '/login';
+            return;
+        }
+
         if (response.new_user) {
             // TODO: Make the page
-            useNavigate('/register');
+            window.location.href = '/register';
         } else {
-            useNavigate('/');
+            window.location.href = '/';
         }
     }
 

pairent_frontend_react/src/pages/LoginPage/index.jsx

@@ -45,9 +45,11 @@ export default class LoginPage extends React.Component {
         super(props);
         
         this.state = {
-            loading: false
+            loading: false,
+            error: JSON.parse(window.localStorage.getItem('auth_fail'))
         }
 
+        window.localStorage.removeItem('auth_fail');
         this.openid = this.openid.bind(this);
     }
 
@@ -56,12 +58,11 @@ export default class LoginPage extends React.Component {
         this.setState({loading: true});
 
         OpenID.Log.setLogger(console);
-        OpenID.Log.setLevel(OpenID.Log.DEBUG);
+        OpenID.Log.setLevel(OpenID.Log.NONE);
 
         let client = new OpenID.UserManager(OIDCConfig);
 
         client.signinRedirect();
-        
     }
 
     render() {
@@ -84,6 +85,21 @@ export default class LoginPage extends React.Component {
                         Вход осуществляется только через<br/>
                         Систему Единого Входа ВВГУ
                     </SmallText>
+                    {
+                        this.state.error ? 
+                        <SmallText style={{color: 'darkred', fontWeight: '600'}}>
+                            Произошла ошибка: { this.state.error.error }
+                            {
+                                this.state.error.error_description ?
+                                <>
+                                    <br/>
+                                    {this.state.error.error_description}
+                                </>
+                                : null
+                            }
+                        </SmallText>
+                        : null
+                    }
                 </FloatingBox>
             </div>
         );