diff --git a/client/src/App.tsx b/client/src/App.tsx
index e242cfa..923288d 100644
--- a/client/src/App.tsx
+++ b/client/src/App.tsx
@@ -23,13 +23,16 @@ import Header from './components/Header/Header';
 import Footer from './components/Footer/Footer';
 
 import ApiService from './services/ApiService';
+import OAuthCallback from './pages/AuthSelection/AuthCallback';
 
 const handleLogout = () => {
     ApiService.logout();
 };
 
 const isLoggedIn = () => {
-    return ApiService.isLoggedIn();
+    const test = ApiService.isLoggedIn();
+    console.log("App.tsx: " + test);
+    return test;
 };
 
 function App() {
@@ -71,6 +74,9 @@ function App() {
 
                         {/* Pages authentification sélection */}
                         <Route path="/auth-selection" element={<AuthSelection />} />
+                        
+                        {/* Pages authentification sélection */}
+                        <Route path="/oauth/callback" element={<OAuthCallback />} />
                     </Routes>
                 </main>
             </div>
diff --git a/client/src/components/Header/Header.tsx b/client/src/components/Header/Header.tsx
index a59f806..d0bc98e 100644
--- a/client/src/components/Header/Header.tsx
+++ b/client/src/components/Header/Header.tsx
@@ -1,4 +1,4 @@
-import { useNavigate } from 'react-router-dom';
+import { Link, useNavigate } from 'react-router-dom';
 import * as React from 'react';
 import './header.css';
 import { Button } from '@mui/material';
@@ -32,6 +32,14 @@ const Header: React.FC<HeaderProps> = ({ isLoggedIn, handleLogout }) => {
                     Logout
                 </Button>
             )}
+
+            {!isLoggedIn() && (
+                <div className="auth-selection-btn">
+                    <Link to="/auth-selection">
+                        <button className="auth-btn">Connexion</button>
+                    </Link>
+                </div>
+            )}
         </div>
     );
 };
diff --git a/client/src/pages/AuthSelection/AuthCallback.tsx b/client/src/pages/AuthSelection/AuthCallback.tsx
new file mode 100644
index 0000000..1ae90c4
--- /dev/null
+++ b/client/src/pages/AuthSelection/AuthCallback.tsx
@@ -0,0 +1,27 @@
+import { useEffect } from 'react';
+import { useNavigate, useLocation } from 'react-router-dom';
+import apiService from '../../services/ApiService';
+
+const OAuthCallback: React.FC = () => {
+    const navigate = useNavigate();
+    const location = useLocation();
+
+    useEffect(() => {
+        const searchParams = new URLSearchParams(location.search);
+        const user = searchParams.get('user');
+
+        if (user) {
+            // Save user data to localStorage or sessionStorage
+            apiService.saveToken(user);
+
+            // Navigate to the dashboard or another page
+            navigate('/');
+        } else {
+            navigate('/auth-selection');
+        }
+    }, [location, navigate]);
+
+    return <div>Loading...</div>;
+};
+
+export default OAuthCallback;
diff --git a/client/src/pages/AuthSelection/SimpleLogin.tsx b/client/src/pages/AuthSelection/SimpleLogin.tsx
index be93f8c..ce5f475 100644
--- a/client/src/pages/AuthSelection/SimpleLogin.tsx
+++ b/client/src/pages/AuthSelection/SimpleLogin.tsx
@@ -33,7 +33,7 @@ const SimpleLogin: React.FC = () => {
             return;
         }
         else {
-            navigate("/teacher/Dashboard")
+            navigate("/")
         }
 
     };
diff --git a/client/src/pages/Home/Home.tsx b/client/src/pages/Home/Home.tsx
index bc0cfc9..b2abf1f 100644
--- a/client/src/pages/Home/Home.tsx
+++ b/client/src/pages/Home/Home.tsx
@@ -6,13 +6,6 @@ import { Link } from 'react-router-dom';
 const Home: React.FC = () => {
     return (
         <div className="page">
-
-            <div className="auth-selection-btn">
-                <Link to="/auth-selection">
-                    <button className="auth-btn">Connexion</button>
-                </Link>
-            </div>
-            
             <div className="btn-container">
 
                 <Link to="/student/join-room" className="student-btn">
diff --git a/client/src/services/ApiService.tsx b/client/src/services/ApiService.tsx
index 55dccb7..13c9c34 100644
--- a/client/src/services/ApiService.tsx
+++ b/client/src/services/ApiService.tsx
@@ -32,7 +32,7 @@ class ApiService {
     }
 
     // Helpers
-    private saveToken(token: string): void {
+    public saveToken(token: string): void {
         const now = new Date();
 
         const object = {
diff --git a/server/app.js b/server/app.js
index ecf1319..c5d3e68 100644
--- a/server/app.js
+++ b/server/app.js
@@ -68,7 +68,6 @@ app.use(session({
 }));
 
 authManager = new AuthManager(app)
-
 app.use(errorHandler)
 
 // Start server
diff --git a/server/auth/modules/passport-providers/oauth.js b/server/auth/modules/passport-providers/oauth.js
index a38dc44..7479c0c 100644
--- a/server/auth/modules/passport-providers/oauth.js
+++ b/server/auth/modules/passport-providers/oauth.js
@@ -56,6 +56,8 @@ class PassportOAuth {
             (req, res) => {
                 if (req.user) {
                     res.json(req.user)
+                    //const redirectUrl = `http://your-frontend-url.com/oauth/callback?user=${encodeURIComponent(req.user)}`;
+                    //res.redirect(redirectUrl);
                     console.info(`L'utilisateur '${req.user.name}' vient de se connecter`)
                 } else {
                     res.status(401).json({ error: "L'authentification a échoué" });
diff --git a/server/auth/modules/passportjs.js b/server/auth/modules/passportjs.js
index e65b53c..a2e16bb 100644
--- a/server/auth/modules/passportjs.js
+++ b/server/auth/modules/passportjs.js
@@ -1,5 +1,6 @@
 const fs = require('fs');
 var passport = require('passport')
+var authprovider = require('../../models/authProvider')
 
 class PassportJs{
     constructor(authmanager,settings){
@@ -9,10 +10,10 @@ class PassportJs{
         this.endpoint = "/api/auth"
     }
 
-    registerAuth(expressapp){
+    async registerAuth(expressapp){
         expressapp.use(passport.initialize());
         expressapp.use(passport.session());
-
+        
         for(const p of this.providers){
             for(const [name,provider] of Object.entries(p)){
                 if(!(provider.type in this.registeredProviders)){
@@ -20,6 +21,9 @@ class PassportJs{
                 }
                 try{
                     this.registeredProviders[provider.type].register(expressapp,passport,this.endpoint,name,provider)
+
+                    const auth_id = `passportjs_${provider.type}_${name}`
+                    authprovider.create(auth_id)
                 } catch(error){
                     console.error(`La connexion ${name} de type ${provider.type} n'as pu être chargé.`)
                 }
@@ -35,7 +39,7 @@ class PassportJs{
           });
     }
 
-    registerProvider(providerType){
+    async registerProvider(providerType){
         try{
             const providerPath = `${process.cwd()}/auth/modules/passport-providers/${providerType}.js`
             const Provider = require(providerPath);
@@ -45,6 +49,15 @@ class PassportJs{
             console.error(`Le type de connexion '${providerType}' n'as pas pu être chargé dans passportjs.`)
         }
     }
+
+
+    register(){
+
+    }
+
+    authenticate(){
+
+    }
     
 }
 
diff --git a/server/models/authProvider.js b/server/models/authProvider.js
new file mode 100644
index 0000000..52f7b94
--- /dev/null
+++ b/server/models/authProvider.js
@@ -0,0 +1,30 @@
+const db = require('../config/db.js')
+const { ObjectId } = require('mongodb');
+
+class AuthProvider {
+    constructor(name) {
+      this._id = new ObjectId();
+      this.name = name;
+    }
+
+    async create(name) {
+      await db.connect()
+      const conn = db.getConnection();
+
+      const collection = conn.collection('authprovider');
+
+      const existingauth = await collection.findOne({ name:name });
+
+      if(foldersCollection){
+        return existingauth._id;
+      }
+
+      const newProvider = {
+        name:name
+      }
+      const result = await foldersCollection.insertOne(newProvider);
+      return result.insertedId;
+  }
+}
+
+module.exports = new AuthProvider;
\ No newline at end of file
diff --git a/server/models/authUserAssociation.js b/server/models/authUserAssociation.js
new file mode 100644
index 0000000..65dc33e
--- /dev/null
+++ b/server/models/authUserAssociation.js
@@ -0,0 +1,14 @@
+const db = require('../config/db.js')
+const { ObjectId } = require('mongodb');
+
+
+class AuthUserAssociation {
+    constructor(authProviderId, authId, userId) {
+      this._id = new ObjectId();
+      this.authProvider_id = authProviderId;
+      this.auth_id = authId;
+      this.user_id = userId;
+    }
+  }
+  
+module.exports = new AuthUserAssociation;
\ No newline at end of file
diff --git a/server/models/userAuthAssociation.js b/server/models/userAuthAssociation.js
new file mode 100644
index 0000000..8e12717
--- /dev/null
+++ b/server/models/userAuthAssociation.js
@@ -0,0 +1,13 @@
+const db = require('../config/db.js')
+const { ObjectId } = require('mongodb');
+
+
+class AuthUserAssoc {
+    constructor(authProviderId, authId, userId) {
+      this._id = new ObjectId();
+      this.authProvider_id = authProviderId;
+      this.auth_id = authId;
+      this.user_id = userId;
+    }
+  }
+  
\ No newline at end of file