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);
+    }
+}

src/routers/api/accountRouter.js

@@ -22,6 +22,7 @@ const accountValidator = require("../../validators/accountValidator");
 const loginController = require("../../controllers/api/account/loginController");
 const logoutController = require("../../controllers/api/account/logoutController");
 const registerController = require("../../controllers/api/account/registerController");
+const migrationController = require("../../controllers/api/account/migrationController");
 const updateController = require("../../controllers/api/account/updateController");
 const rankEnumController = require("../../controllers/api/account/rankEnumController");
 const passwordResetRequestController = require("../../controllers/api/account/passwordResetRequestController");
@@ -38,18 +39,32 @@ router.post('/login', accountValidator.user(), accountValidator.pass(), loginCon
 //logout
 router.post('/logout', logoutController.post);
 //register
-router.post('/register', accountValidator.user(),
+router.post('/register',
+    accountValidator.user(),
     accountValidator.securePass(),
     accountValidator.pass('passConfirm'),
-    accountValidator.email(), registerController.post);
+    accountValidator.email(), 
+    registerController.post);
+
+//migrate legacy profile
+router.post('/migrate',
+    accountValidator.user(),
+    accountValidator.pass('oldPass'),
+    accountValidator.securePass('newPass'),
+    accountValidator.pass('passConfirm'),
+    migrationController.post);
+
 //update profile
-router.post('/update', accountValidator.img(),
+router.post('/update',
+    accountValidator.img(),
     accountValidator.bio(),
     accountValidator.signature(),
     accountValidator.pronouns(),
     accountValidator.pass('passChange.oldPass'),
     accountValidator.securePass('passChange.newPass'),
-    accountValidator.pass('passChange.confirmPass'), updateController.post);
+    accountValidator.pass('passChange.confirmPass'), 
+    updateController.post);
+
 //rankEnum
 //This might seem silly, but it allows us to cleanly get the current rank list to compare against, without storing it in multiple places
 router.get('/rankEnum', rankEnumController.get);

src/schemas/user/migrationSchema.js

@@ -25,7 +25,11 @@ const config = require('../../../config.json');
 const {userModel} = require('../user/userSchema');
 const permissionModel = require('../permissionSchema');
 const tokeModel = require('../tokebot/tokeSchema');
+const statModel = require('../statSchema');
+const emailChangeModel = require('../user/emailChangeSchema');
 const loggerUtils = require('../../utils/loggerUtils');
+const hashUtils = require('../../utils/hashUtils');
+const mailUtils = require('../../utils/mailUtils');
 
 /**
  * DB Schema for documents representing legacy fore.st migration data for a single user account
@@ -307,15 +311,62 @@ migrationSchema.statics.buildMigrationCache = async function(){
     }
 }
 
+migrationSchema.statics.consumeByUsername = async function(ip, migration){
+    //Pull migration doc by case-insensitive username
+    const migrationDB = await this.findOne({user: new RegExp(migration.user, 'i')});
+
+    //Wait on the miration DB token to be consumed
+    await migrationDB.consume(ip, migration);
+}
+
 //Methods
 /**
  * Consumes a migration profile and creates a new, modern canopy profile from the original.
  * @param {String} oldPass - Original password to authenticate migration against
  * @param {String} newPass - New password to re-hash with modern hashing algo
- * @param {String} confirmPass - Confirmation for the new pass
+ * @param {String} passConfirm - Confirmation for the new pass
  */
-migrationSchema.methods.consume = async function(oldPass, newPass, confirmPass){
+migrationSchema.methods.consume = async function(ip, migration){
+    //If we where handed a bad password
+    if(!hashUtils.compareLegacyPassword(migration.oldPass, this.pass)){
+        //Complain
+        throw loggerUtils.exceptionSmith("Incorrect username/password.", "migration");
+    }
 
+    //If we where handed a mismatched confirmation password
+    if(migration.newPass != migration.passConfirm){
+        //Complain
+        throw loggerUtils.exceptionSmith("New password does not match confirmation password.", "migration");
+    }
+
+    //Increment user count
+    const id = await statModel.incrementUserCount();
+
+    //Create new user from profile info
+    const newUser = await userModel.create({
+        id,
+        user: this.user,
+        pass: migration.newPass,
+        rank: permissionModel.rankEnum[this.rank],
+        bio: this.bio,
+        img: this.image,
+        date: this.date,
+        tokes: new Map([["Legacy Tokes", this.tokes]])
+    });
+
+    //Tattoo hashed IP use to migrate to the new user account
+    await newUser.tattooIPRecord(ip);
+
+    //if we submitted an email
+    if(this.email != null && this.email != ''){
+        //Generate new request
+        const requestDB = await emailChangeModel.create({user: newUser._id, newEmail: this.email, ipHash: ip});
+
+        //Send confirmation email
+        mailUtils.sendAddressVerification(requestDB, newUser, this.email, false, true);
+    }
+
+    await this.deleteOne();
 }
 
 module.exports = mongoose.model("migration", migrationSchema);

src/schemas/user/userSchema.js

@@ -289,7 +289,7 @@ userSchema.statics.register = async function(userObj, ip){
             if(email != null){
                 const requestDB = await emailChangeModel.create({user: newUser._id, newEmail: email, ipHash: ip});
 
-                await mailUtil.sendAddressVerification(requestDB, newUser, email)
+                await mailUtil.sendAddressVerification(requestDB, newUser, email, true);
             }
         }
     }else{

src/utils/csrfUtils.js

@@ -17,9 +17,6 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.*/
 //NPM Imports
 const { csrfSync } = require('csrf-sync');
 
-//Local Imports
-const {errorHandler} = require('./loggerUtils');
-
 //Pull needed methods from csrfSync
 const {generateToken, revokeToken, csrfSynchronisedProtection, isRequestValid} = csrfSync();
 

src/utils/hashUtils.js

@@ -34,7 +34,7 @@ module.exports.hashPassword = function(pass){
 }
 
 /**
- * Sitewide password for authenticating/comparing passwords agianst hashes
+ * Sitewide method for authenticating/comparing passwords agianst hashes
  * @param {String} pass - Plaintext Password
  * @param {String} hash - Salty Hash
  * @returns {Boolean} True if authentication success
@@ -43,6 +43,16 @@ module.exports.comparePassword = function(pass, hash){
     return bcrypt.compareSync(pass, hash);
 }
 
+/**
+ * Sitewide method for authenticating/comparing passwords agianst hashes for legacy profiles
+ * @param {String} pass - Plaintext Password
+ * @param {String} hash - Salty Hash
+ * @returns {Boolean} True if authentication success
+ */
+module.exports.compareLegacyPassword = function(pass, hash){
+    return bcrypt.compareSync(pass, hash);
+}
+
 /**
  * Site-wide IP hashing/salting function
  * 

src/utils/mailUtils.js

@@ -72,16 +72,40 @@ module.exports.mailem = async function(to, subject, body, htmlBody = false){
  * @param {Mongoose.Document} requestDB - DB Document Object for the current email change request token
  * @param {Mongoose.Document} userDB - DB Document Object for the user we're verifying email against
  * @param {String} newEmail - New email address to send to
+ * @param {Boolean} newUser - Denotes an email going out to a new account
+ * @param {Boolean} migration - Denotes an email going out to an account which was just mirated
  */
-module.exports.sendAddressVerification = async function(requestDB, userDB, newEmail){
+module.exports.sendAddressVerification = async function(requestDB, userDB, newEmail, newUser = false, migration = false,){
+    let subject = `Email Change Request - ${userDB.user}`;
+    let content = `<h1>email change request</h1>
+        <p>a request to change the email associated with the ${config.instanceName} account '${userDB.user}' to this address has been requested.<br>
+        <a href="${requestDB.getChangeURL()}">click here</a> to confirm this change.</p>
+        <sup>if you received this email without request, feel free to ignore and delete it! -tokebot</sup>`;
+    
+    if(newUser){
+        subject = `New User Email Confirmation - ${userDB.user}`;
+
+        content = `<h1>New user email confirmation</h1>
+        <p>a new ${config.instanceName} account '${userDB.user}' was created with this email address.<br>
+        <a href="${requestDB.getChangeURL()}">click here</a> to confirm this change.</p>
+        <sup>if you received this email without request, feel free to ignore and delete it! -tokebot</sup>`;
+    }
+
+    if(migration){
+        subject = `User Migration Email Confirmation - ${userDB.user}`;
+
+        content = `<h1>User migration email confirmation</h1>
+        <p>The ${config.instanceName} account '${userDB.user}' was successfully migrated to our <a href="https://git.ourfore.st/rainbownapkin/canopy">fancy new codebase</a>.<br>
+        <a href="${requestDB.getChangeURL()}">click here</a> to confirm this change.</p> 
+        <sup>if you received this email without request, reach out to an admin, as your old account might be getting jacked! -tokebot</sup>`;
+    }
+
+
     //Send the reset url via email
     await module.exports.mailem(
         newEmail,
-        `Email Change Request - ${userDB.user}`,
+        subject,
-        `<h1>Email Change Request</h1>
+        content,
-        <p>A request to change the email associated with the ${config.instanceName} account '${userDB.user}' to this address has been requested.<br>
-        <a href="${requestDB.getChangeURL()}">Click here</a> to confirm this change.</p>
-        <sup>If you received this email without request, feel free to ignore and delete it! -Tokebot</sup>`,
         true
     );
 

www/js/utils.js

@@ -737,6 +737,24 @@ class canopyAjaxUtils{
         }
     }
 
+    async migrate(user, oldPass, newPass, passConfirm, verification){
+        var response = await fetch(`/api/account/migrate`,{
+            method: "POST",
+            headers: {
+                "Content-Type": "application/json",
+                //It's either this or find and bind all event listeners :P
+                "x-csrf-token": utils.ajax.getCSRFToken()
+            },
+            body: JSON.stringify({user, oldPass, newPass, passConfirm, verification})
+        });
+
+        if(response.ok){
+            location = "/";
+        }else{
+            utils.ux.displayResponseError(await response.json());
+        }
+    }
+
     async login(user, pass, verification){
         var response = await fetch(`/api/account/login`,{
             method: "POST",