Implemented Profile Migration Backend

src/controllers/api/account/migrationController.js

@@ -0,0 +1,96 @@
+/*Canopy - The next generation of stoner streaming software
+Copyright (C) 2024-2025 Rainbownapkin and the TTN Community
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.*/
+
+//Config
+const config = require('../../../../config.json');
+
+//NPM Imports
+const {validationResult, matchedData} = require('express-validator');
+
+//local imports
+const userBanModel = require('../../../schemas/user/userBanSchema');
+const altchaUtils = require('../../../utils/altchaUtils');
+const migrationModel = require('../../../schemas/user/migrationSchema');
+const {exceptionHandler, errorHandler} = require('../../../utils/loggerUtils');
+
+module.exports.post = async function(req, res){
+    try{
+        //Check for validation errors
+        const validResult = validationResult(req);
+
+        //If there are none
+        if(validResult.isEmpty()){
+            //Get sanatized/validated data
+            const migration = matchedData(req);
+            //Verify Altcha Payload
+            const verified = await altchaUtils.verify(req.body.verification);
+
+            //If altcha verification failed
+            if(!verified){
+                return errorHandler(res, 'Altcha verification failed, Please refresh the page!', 'unauthorized');
+            }
+
+            //If we're proxied use passthrough IP
+            const ip = config.proxied ? req.headers['x-forwarded-for'] : req.ip;
+
+            //Look for ban by IP
+            const ipBanDB = await userBanModel.checkBanByIP(ip);
+
+            //If this ip is randy bobandy
+            if(ipBanDB != null){
+                //Make the number a little prettier despite the lack of precision since we're not doing calculations here :P
+                const expiration = ipBanDB.getDaysUntilExpiration() < 1 ? 0 : ipBanDB.getDaysUntilExpiration();
+                let banMsg = [];
+
+                //If the ban is permanent
+                if(ipBanDB.permanent){
+                    //tell it to fuck off
+                    //Make the code and message look pretty (kinda) at the same time
+                    banMsg = [
+                        'The IP address you are trying to migrate an account from has been permanently banned.',
+                        'Your cleartext IP has been saved to the database.',
+                        `Any accounts associated will be nuked in ${expiration} day(s).`,
+                        'If you beleive this to be an error feel free to reach out to your server administrator.',
+                        'Otherwise, fuck off :)'
+                    ];
+                }else{
+                    //tell it to fuck off
+                    //Make the code and message look pretty (kinda) at the same time
+                    banMsg = [
+                        'The IP address you are trying to migrate an account from has been temporarily banned.',
+                        `Your cleartext IP has been saved to the database until the ban expires in ${expiration} day(s).`,
+                        'If you beleive this to be an error feel free to reach out to your server administrator.',
+                        'Otherwise, fuck off :)'
+                    ];
+                }
+
+                //tell it to fuck off
+                return errorHandler(res, banMsg.join('<br>'), 'unauthorized');
+            }
+
+            //Find and consume migration document
+            await migrationModel.consumeByUsername(ip, migration);
+
+            //tell of our success
+            return res.sendStatus(200);
+        }else{
+            res.status(400);
+            return res.send({errors: validResult.array()});
+        }
+    }catch(err){
+        return exceptionHandler(res, err);
+    }
+}