Version 1.1.0 - Refactor + Intergration Backend

src/playlists/Google/OAuth2.js

@@ -0,0 +1,87 @@
+const { LogType } = require('loguix');
+const alog = new LogType("GoogleOAuth2");
+const { google } = require('googleapis');
+const config = require("../../utils/Database/Configuration");
+const Users = require('../../server/auth/User');
+
+const clientId = config.getYoutubeApiClientId();
+const clientSecret = config.getYoutubeApiClientSecret();
+const redirectUri = config.getWebsiteLink() + "/oauth2callback";
+
+
+const oAuth2Map = new Map();
+ 
+function createAuthUrl(userId) {
+    if(!checkCredientials()) return null;
+    var oAuth2Client;
+    const user = Users.getUserById(userId);
+    if (!user) {
+       alog.error(`User with ID ${userId} not found.`);
+       return null;
+    }
+    if (!clientId || !clientSecret) {
+        alog.error("YouTube API client ID or secret is not set in the configuration.");
+    } else {
+        oAuth2Client = new google.auth.OAuth2(
+            clientId,
+            clientSecret,
+            redirectUri
+        );
+
+        alog.log("Google OAuth2 client initialized successfully.");
+    }
+
+    if (!oAuth2Client) {
+        alog.error("OAuth2 client is not initialized. Please check your configuration.");
+        return null;
+    }
+    oAuth2Map.set(userId, oAuth2Client);
+    alog.log(`OAuth2 client created for user ${userId}.`);
+    return oAuth2Client.generateAuthUrl({
+        access_type: 'offline',
+        scope: SCOPES,
+    });
+}
+
+async function getAuthorization(userId, code) {
+      if(!checkCredientials()) return null;
+    try {
+        const user = Users.getUserById(userId);
+        if (!user) {
+        alog.error(`User with ID ${userId} not found.`);
+        return null;
+        }
+        oAuth2Client = oAuth2Map.get(userId);
+        if (!oAuth2Client) {
+            alog.error(`OAuth2 client for user ${userId} not found. Please create an OAuth2 client first.`);
+            return null;
+        }
+        const { tokens } = await oAuth2Client.getToken(code);
+        oAuth2Client.setCredentials(tokens);
+        alog.log(`OAuth2 client credentials set for user ${userId}.`);
+        return oAuth2Client;
+    } catch (error) {
+        alog.error(`Error during OAuth2 authorization for user ${userId}:`, error);
+        return null;
+    }
+    
+
+}
+
+function checkCredientials() {
+    if (!clientId || !clientSecret) {
+        alog.error("YouTube API client ID or secret is not set in the configuration.");
+        return false;
+    }
+    return true;
+}   
+
+module.exports = {
+    createAuthUrl,
+    getAuthorization,
+    getOAuth2Client: (userId) => oAuth2Map.get(userId),
+    oAuth2Map
+};
+
+const SCOPES = ['https://www.googleapis.com/auth/youtube.readonly'];
+