Merge pull request #1317 from shakti97/login-signup-issue

Fix username/email case issue in login/signup

.gitignore

@@ -19,3 +19,4 @@ localhost.key
 privkey.pem
 
 storybook-static
+duplicates.json

server/config/passport.js

@@ -24,7 +24,7 @@ passport.deserializeUser((id, done) => {
  * Sign in using Email/Username and Password.
  */
 passport.use(new LocalStrategy({ usernameField: 'email' }, (email, password, done) => {
-  User.findByMailOrName(email.toLowerCase())
+  User.findByEmailOrUsername(email)
     .then((user) => { // eslint-disable-line consistent-return
       if (!user) {
         return done(null, false, { msg: `Email ${email} not found.` });
@@ -43,7 +43,7 @@ passport.use(new LocalStrategy({ usernameField: 'email' }, (email, password, don
  * Authentificate using Basic Auth (Username + Api Key)
  */
 passport.use(new BasicStrategy((userid, key, done) => {
-  User.findOne({ username: userid }, (err, user) => { // eslint-disable-line consistent-return
+  User.findByUsername(userid, (err, user) => { // eslint-disable-line consistent-return
     if (err) { return done(err); }
     if (!user) { return done(null, false); }
     user.findMatchingKey(key, (innerErr, isMatch, keyDocument) => {
@@ -98,9 +98,7 @@ passport.use(new GitHubStrategy({
     const emails = getVerifiedEmails(profile.emails);
     const primaryEmail = getPrimaryEmail(profile.emails);
 
-    User.findOne({
-      email: { $in: emails },
-    }, (findByEmailErr, existingEmailUser) => {
+    User.findByEmail(emails, (findByEmailErr, existingEmailUser) => {
       if (existingEmailUser) {
         existingEmailUser.email = existingEmailUser.email || primaryEmail;
         existingEmailUser.github = profile.id;
@@ -141,11 +139,9 @@ passport.use(new GoogleStrategy({
 
     const primaryEmail = profile._json.emails[0].value;
 
-    User.findOne({
-      email: primaryEmail,
-    }, (findByEmailErr, existingEmailUser) => {
+    User.findByEmail(primaryEmail, (findByEmailErr, existingEmailUser) => {
       let username = profile._json.emails[0].value.split('@')[0];
-      User.findOne({ username }, (findByUsernameErr, existingUsernameUser) => {
+      User.findByUsername(username, (findByUsernameErr, existingUsernameUser) => {
         if (existingUsernameUser) {
           const adj = friendlyWords.predicates[Math.floor(Math.random() * friendlyWords.predicates.length)];
           username = slugify(`${username} ${adj}`);

server/controllers/__mocks__/aws.controller.js

@@ -1,5 +1,5 @@
 export const getObjectKey = jest.mock();
 export const deleteObjectsFromS3 = jest.fn();
 export const signS3 = jest.fn();
-export const copyObjectInS3 = jest.fn();
+export const copyObjectInS3RequestHandler = jest.fn();
 export const listObjectsInS3ForUser = jest.fn();

server/controllers/aws.controller.js

@@ -98,24 +98,72 @@ export function signS3(req, res) {
   res.json(result);
 }
 
-export function copyObjectInS3(req, res) {
-  const { url } = req.body;
-  const objectKey = getObjectKey(url);
-  const fileExtension = getExtension(objectKey);
-  const newFilename = uuid.v4() + fileExtension;
-  const userId = req.user.id;
-  const params = {
-    Bucket: `${process.env.S3_BUCKET}`,
-    CopySource: `${process.env.S3_BUCKET}/${objectKey}`,
-    Key: `${userId}/${newFilename}`,
-    ACL: 'public-read'
-  };
-  const copy = client.copyObject(params);
-  copy.on('err', (err) => {
-    console.log(err);
+export function copyObjectInS3(url, userId) {
+  return new Promise((resolve, reject) => {
+    const objectKey = getObjectKey(url);
+    const fileExtension = getExtension(objectKey);
+    const newFilename = uuid.v4() + fileExtension;
+    const headParams = {
+      Bucket: `${process.env.S3_BUCKET}`,
+      Key: `${objectKey}`
+    };
+    client.s3.headObject(headParams, (headErr) => {
+      if (headErr) {
+        reject(new Error(`Object with key ${process.env.S3_BUCKET}/${objectKey} does not exist.`));
+        return;
+      }
+      const params = {
+        Bucket: `${process.env.S3_BUCKET}`,
+        CopySource: `${process.env.S3_BUCKET}/${objectKey}`,
+        Key: `${userId}/${newFilename}`,
+        ACL: 'public-read'
+      };
+      const copy = client.copyObject(params);
+      copy.on('err', (err) => {
+        reject(err);
+      });
+      copy.on('end', (data) => {
+        resolve(`${s3Bucket}${userId}/${newFilename}`);
+      });
+    });
   });
-  copy.on('end', (data) => {
-    res.json({ url: `${s3Bucket}${userId}/${newFilename}` });
+}
+
+export function copyObjectInS3RequestHandler(req, res) {
+  const { url } = req.body;
+  copyObjectInS3(url, req.user.id).then((newUrl) => {
+    res.json({ url: newUrl });
+  });
+}
+
+export function moveObjectToUserInS3(url, userId) {
+  return new Promise((resolve, reject) => {
+    const objectKey = getObjectKey(url);
+    const fileExtension = getExtension(objectKey);
+    const newFilename = uuid.v4() + fileExtension;
+    const headParams = {
+      Bucket: `${process.env.S3_BUCKET}`,
+      Key: `${objectKey}`
+    };
+    client.s3.headObject(headParams, (headErr) => {
+      if (headErr) {
+        reject(new Error(`Object with key ${process.env.S3_BUCKET}/${objectKey} does not exist.`));
+        return;
+      }
+      const params = {
+        Bucket: `${process.env.S3_BUCKET}`,
+        CopySource: `${process.env.S3_BUCKET}/${objectKey}`,
+        Key: `${userId}/${newFilename}`,
+        ACL: 'public-read'
+      };
+      const move = client.moveObject(params);
+      move.on('err', (err) => {
+        reject(err);
+      });
+      move.on('end', (data) => {
+        resolve(`${s3Bucket}${userId}/${newFilename}`);
+      });
+    });
   });
 }
 

server/controllers/collection.controller/collectionForUserExists.js

@@ -11,7 +11,7 @@ export default function collectionForUserExists(username, collectionId, callback
   }
 
   function findUser() {
-    return User.findOne({ username });
+    return User.findByUsername(username);
   }
 
   function findCollection(owner) {

server/controllers/collection.controller/listCollections.js

@@ -3,7 +3,8 @@ import User from '../../models/user';
 
 async function getOwnerUserId(req) {
   if (req.params.username) {
-    const user = await User.findOne({ username: req.params.username });
+    const user =
+      await User.findByUsername(req.params.username);
     if (user && user._id) {
       return user._id;
     }

server/controllers/project.controller.js

@@ -64,7 +64,7 @@ export function updateProject(req, res) {
 
 export function getProject(req, res) {
   const { project_id: projectId, username } = req.params;
-  User.findOne({ username }, (err, user) => { // eslint-disable-line
+  User.findByUsername(username, (err, user) => { // eslint-disable-line
     if (!user) {
       return res.status(404).send({ message: 'Project with that username does not exist' });
     }
@@ -141,7 +141,7 @@ export function projectExists(projectId, callback) {
 }
 
 export function projectForUserExists(username, projectId, callback) {
-  User.findOne({ username }, (err, user) => {
+  User.findByUsername(username, (err, user) => {
     if (!user) {
       callback(false);
       return;

server/controllers/project.controller/getProjectsForUser.js

@@ -7,7 +7,7 @@ const UserNotFoundError = createApplicationErrorClass('UserNotFoundError');
 
 function getProjectsForUserName(username) {
   return new Promise((resolve, reject) => {
-    User.findOne({ username }, (err, user) => {
+    User.findByUsername(username, (err, user) => {
       if (err) {
         reject(err);
         return;

server/controllers/user.controller.js

@@ -30,71 +30,63 @@ const random = (done) => {
 };
 
 export function findUserByUsername(username, cb) {
-  User.findOne(
-    { username },
-    (err, user) => {
-      cb(user);
-    }
-  );
+  User.findByUsername(username, (err, user) => {
+    cb(user);
+  });
 }
 
 export function createUser(req, res, next) {
+  const { username, email } = req.body;
+  const { password } = req.body;
+  const emailLowerCase = email.toLowerCase();
   const EMAIL_VERIFY_TOKEN_EXPIRY_TIME = Date.now() + (3600000 * 24); // 24 hours
   random((tokenError, token) => {
     const user = new User({
-      username: req.body.username,
-      email: req.body.email,
-      password: req.body.password,
+      username,
+      email: emailLowerCase,
+      password,
       verified: User.EmailConfirmation.Sent,
       verifiedToken: token,
       verifiedTokenExpires: EMAIL_VERIFY_TOKEN_EXPIRY_TIME,
     });
 
-    User.findOne(
-      {
-        $or: [
-          { email: req.body.email },
-          { username: req.body.username }
-        ]
-      },
-      (err, existingUser) => {
-        if (err) {
-          res.status(404).send({ error: err });
-          return;
-        }
+    User.findByEmailAndUsername(email, username, (err, existingUser) => {
+      if (err) {
+        res.status(404).send({ error: err });
+        return;
+      }
 
-        if (existingUser) {
-          const fieldInUse = existingUser.email === req.body.email ? 'Email' : 'Username';
-          res.status(422).send({ error: `${fieldInUse} is in use` });
+      if (existingUser) {
+        const fieldInUse = existingUser.email.toLowerCase() === emailLowerCase ? 'Email' : 'Username';
+        res.status(422).send({ error: `${fieldInUse} is in use` });
+        return;
+      }
+      user.save((saveErr) => {
+        if (saveErr) {
+          next(saveErr);
           return;
         }
-        user.save((saveErr) => {
-          if (saveErr) {
-            next(saveErr);
+        req.logIn(user, (loginErr) => {
+          if (loginErr) {
+            next(loginErr);
             return;
           }
-          req.logIn(user, (loginErr) => {
-            if (loginErr) {
-              next(loginErr);
-              return;
-            }
 
-            const protocol = process.env.NODE_ENV === 'production' ? 'https' : 'http';
-            const mailOptions = renderEmailConfirmation({
-              body: {
-                domain: `${protocol}://${req.headers.host}`,
-                link: `${protocol}://${req.headers.host}/verify?t=${token}`
-              },
-              to: req.user.email,
-            });
+          const protocol = process.env.NODE_ENV === 'production' ? 'https' : 'http';
+          const mailOptions = renderEmailConfirmation({
+            body: {
+              domain: `${protocol}://${req.headers.host}`,
+              link: `${protocol}://${req.headers.host}/verify?t=${token}`
+            },
+            to: req.user.email,
+          });
 
-            mail.send(mailOptions, (mailErr, result) => { // eslint-disable-line no-unused-vars
-              res.json(userResponse(req.user));
-            });
+          mail.send(mailOptions, (mailErr, result) => { // eslint-disable-line no-unused-vars
+            res.json(userResponse(req.user));
           });
         });
-      }
-    );
+      });
+    });
   });
 }
 
@@ -103,7 +95,10 @@ export function duplicateUserCheck(req, res) {
   const value = req.query[checkType];
   const query = {};
   query[checkType] = value;
-  User.findOne(query, (err, user) => {
+  // Don't want to use findByEmailOrUsername here, because in this case we do
+  // want to use case-insensitive search for usernames to prevent username
+  // duplicates, which overrides the default behavior.
+  User.findOne(query).collation({ locale: 'en', strength: 2 }).exec((err, user) => {
     if (user) {
       return res.json({
         exists: true,
@@ -147,7 +142,7 @@ export function resetPasswordInitiate(req, res) {
   async.waterfall([
     random,
     (token, done) => {
-      User.findOne({ email: req.body.email }, (err, user) => {
+      User.findByEmail(req.body.email, (err, user) => {
         if (!user) {
           res.json({ success: true, message: 'If the email is registered with the editor, an email has been sent.' });
           return;
@@ -277,7 +272,7 @@ export function updatePassword(req, res) {
 }
 
 export function userExists(username, callback) {
-  User.findOne({ username }, (err, user) => (
+  User.findByUsername(username, (err, user) => (
     user ? callback(true) : callback(false)
   ));
 }

server/migrations/emailConsolidation.js

@@ -0,0 +1,237 @@
+import mongoose from 'mongoose';
+import fs from 'fs';
+import User from '../models/user';
+import Project from '../models/project';
+import Collection from '../models/collection';
+import { moveObjectToUserInS3, copyObjectInS3 } from '../controllers/aws.controller';
+import mail from '../utils/mail';
+import { renderAccountConsolidation } from '../views/mail';
+
+
+const mongoConnectionString = process.env.MONGO_URL;
+const { ObjectId } = mongoose.Types;
+// Connect to MongoDB
+mongoose.Promise = global.Promise;
+mongoose.connect(mongoConnectionString, { useNewUrlParser: true, useUnifiedTopology: true });
+mongoose.set('useCreateIndex', true);
+mongoose.connection.on('error', () => {
+  console.error('MongoDB Connection Error. Please make sure that MongoDB is running.');
+  process.exit(1);
+});
+
+/*
+ * Requires the MongoDB Node.js Driver
+ * https://mongodb.github.io/node-mongodb-native
+ */
+
+const agg = [
+  {
+    $project: {
+      email: {
+        $toLower: [
+          '$email'
+        ]
+      }
+    }
+  }, {
+    $group: {
+      _id: '$email',
+      total: {
+        $sum: 1
+      }
+    }
+  }, {
+    $match: {
+      total: {
+        $gt: 1
+      }
+    }
+  }, {
+    $sort: {
+      total: -1
+    }
+  }
+];
+
+
+// steps to make this work
+// iterate through the results
+// check if any files are on AWS
+// if so, move them to the right user bucket
+// then, update the user to currentUser
+// then, after updating all of the projects
+// also update the collections
+// delete other users
+// update user email so it is all lowercase
+// then, send the email
+// then, figure out how to iterate through all of the users.
+
+// create list of duplicate users
+// User.aggregate(agg).then((result) => {
+//   return fs.writeFile('duplicates.json', JSON.stringify(result), () => {
+//     console.log('File written.');
+//     process.exit(0);
+//   });
+// });
+
+let currentUser = null;
+let duplicates = null;
+
+fs.readFile('duplicates.json', async (err, file) => {
+  const result = JSON.parse(file);
+  for (let i = 3000; i < result.length; i += 1) {
+    console.log('Index: ', i);
+    const email = result[i]._id;
+    console.log(email);
+    await consolidateAccount(email); // eslint-disable-line
+  }
+  process.exit(0);
+});
+
+async function consolidateAccount(email) {
+  return User.find({ email }).collation({ locale: 'en', strength: 2 })
+    .sort({ createdAt: 1 }).exec()
+    .then((result) => {
+      [currentUser, ...duplicates] = result;
+      console.log('Current User: ', currentUser._id, ' ', currentUser.email);
+      duplicates = duplicates.map(dup => dup._id);
+      console.log('Duplicates: ', duplicates);
+      return Project.find({
+        user: { $in: duplicates }
+      }).exec();
+    }).then((sketches) => {
+      const saveSketchPromises = [];
+      sketches.forEach((sketch) => {
+        console.log('SketchId: ', sketch._id);
+        console.log('UserId: ', sketch.user);
+        const moveSketchFilesPromises = [];
+        sketch.files.forEach((file) => {
+        // if the file url contains sketch user
+          if (file.url && file.url.includes(process.env.S3_BUCKET_URL_BASE) && !file.url.includes(currentUser._id)) {
+            if (file.url.includes(sketch.user)) {
+              const fileSavePromise = moveObjectToUserInS3(file.url, currentUser._id)
+                .then((newUrl) => {
+                  file.url = newUrl;
+                }).catch((err) => {
+                  console.log('Move Error:');
+                  console.log(err);
+                });
+              moveSketchFilesPromises.push(fileSavePromise);
+            } else {
+              const fileSavePromise = copyObjectInS3(file.url, currentUser._id)
+                .then((newUrl) => {
+                  file.url = newUrl;
+                }).catch((err) => {
+                  console.log('Copy Error:');
+                  console.log(err);
+                });
+              moveSketchFilesPromises.push(fileSavePromise);
+            }
+          }
+        });
+        const sketchSavePromise = Promise.all(moveSketchFilesPromises).then(() => {
+          sketch.user = ObjectId(currentUser._id);
+          return sketch.save();
+        });
+        saveSketchPromises.push(sketchSavePromise);
+      });
+      return Promise.all(saveSketchPromises);
+    }).then(() => {
+      console.log('Moved and updated all sketches.');
+      return Collection.updateMany(
+        { owner: { $in: duplicates } },
+        { $set: { owner: ObjectId(currentUser.id) } }
+      );
+    }).then(() => {
+      console.log('Moved and updated all collections.');
+      return User.deleteMany({ _id: { $in: duplicates } });
+    }).then(() => {
+      console.log('Deleted other user accounts.');
+      currentUser.email = currentUser.email.toLowerCase();
+      return currentUser.save();
+    }).then(() => {
+      console.log('Migrated email to lowercase.');
+      // const protocol = process.env.NODE_ENV === 'production' ? 'https' : 'http';
+      const mailOptions = renderAccountConsolidation({
+        body: {
+          domain: 'https://editor.p5js.org',
+          username: currentUser.username,
+          email: currentUser.email
+        },
+        to: currentUser.email,
+      });
+
+      return new Promise((resolve, reject) => {
+        mail.send(mailOptions, (mailErr, result) => {
+          console.log('Sent email.');
+          if (mailErr) {
+            return reject(mailErr);
+          }
+          return resolve(result);
+        });
+      });
+    }).catch((err) => {
+      console.log(err);
+      process.exit(1);
+    });
+}
+
+
+// let duplicates = [
+//   "5ce3d936e0f9df0022d8330c",
+//   "5cff843f091745001e83c070",
+//     "5d246f5db489e6001eaee6e9"
+// ];
+// let currentUser = null;
+// User.deleteMany({ _id: { $in: duplicates } }).then(() => {
+//   return User.findOne({ "email": "Silverstar09@hotmail.com" })
+// }).then((result) => {
+//   currentUser = result;
+//   console.log('Deleted other user accounts.');
+//   currentUser.email = currentUser.email.toLowerCase();
+//   return currentUser.save();
+// }).then(() => {
+//   const mailOptions = renderAccountConsolidation({
+//     body: {
+//       domain: 'https://editor.p5js.org',
+//       username: currentUser.username,
+//       email: currentUser.email
+//     },
+//     to: currentUser.email,
+//   });
+
+//   return new Promise((resolve, reject) => {
+//     mail.send(mailOptions, (mailErr, result) => {
+//       console.log('Sent email.');
+//       if (mailErr) {
+//         return reject(mailErr);
+//       }
+//       return resolve(result);
+//     });
+//   });
+// });
+
+
+// import s3 from '@auth0/s3';
+
+// const client = s3.createClient({
+//   maxAsyncS3: 20,
+//   s3RetryCount: 3,
+//   s3RetryDelay: 1000,
+//   multipartUploadThreshold: 20971520, // this is the default (20 MB)
+//   multipartUploadSize: 15728640, // this is the default (15 MB)
+//   s3Options: {
+//     accessKeyId: `${process.env.AWS_ACCESS_KEY}`,
+//     secretAccessKey: `${process.env.AWS_SECRET_KEY}`,
+//     region: `${process.env.AWS_REGION}`
+//   },
+// });
+
+// const headParams = {
+//   Bucket: `${process.env.S3_BUCKET}`,
+//   Key: "5c9de807f6bccf0017da7927/8b9d95ae-7ddd-452a-b398-672392c4ac43.png"
+// };
+// client.s3.headObject(headParams, (err, data) => {
+//   console.log(err);
+//   console.log(data);
+// });

server/migrations/start.js

@@ -1,7 +1,8 @@
 require('@babel/register');
 require('@babel/polyfill');
 const path = require('path');
-require('dotenv').config({ path: path.resolve('.env') });
-require('./populateTotalSize');
+require('dotenv').config({ path: path.resolve('.env.production') });
+require('./emailConsolidation');
+// require('./populateTotalSize');
 // require('./moveBucket');
 // require('./truncate');

server/models/user.js

@@ -141,17 +141,86 @@ userSchema.methods.findMatchingKey = function findMatchingKey(candidateKey, cb)
   if (!foundOne) cb('Matching API key not found !', false, null);
 };
 
-userSchema.statics.findByMailOrName = function findByMailOrName(email) {
+/**
+ *
+ * Queries User collection by email and returns one User document.
+ *
+ * @param {string|string[]} email - Email string or array of email strings
+ * @callback [cb] - Optional error-first callback that passes User document
+ * @return {Promise<Object>} - Returns Promise fulfilled by User document
+ */
+userSchema.statics.findByEmail = function findByEmail(email, cb) {
+  let query;
+  if (Array.isArray(email)) {
+    query = {
+      email: { $in: email }
+    };
+  } else {
+    query = {
+      email
+    };
+  }
+  // Email addresses should be case-insensitive unique
+  // In MongoDB, you must use collation in order to do a case-insensitive query
+  return this.findOne(query).collation({ locale: 'en', strength: 2 }).exec(cb);
+};
+
+/**
+ *
+ * Queries User collection by username and returns one User document.
+ *
+ * @param {string} username - Username string
+ * @callback [cb] - Optional error-first callback that passes User document
+ * @return {Promise<Object>} - Returns Promise fulfilled by User document
+ */
+userSchema.statics.findByUsername = function findByUsername(username, cb) {
   const query = {
-    $or: [{
-      email,
-    }, {
-      username: email,
-    }],
+    username
   };
-  return this.findOne(query).exec();
+  return this.findOne(query, cb);
+};
+
+/**
+ *
+ * Queries User collection using email or username with optional callback.
+ * This function will determine automatically whether the data passed is
+ * a username or email.
+ *
+ * @param {string} value - Email or username
+ * @callback [cb] - Optional error-first callback that passes User document
+ * @return {Promise<Object>} - Returns Promise fulfilled by User document
+ */
+userSchema.statics.findByEmailOrUsername = function findByEmailOrUsername(value, cb) {
+  const isEmail = value.indexOf('@') > -1;
+  if (isEmail) {
+    return this.findByEmail(value, cb);
+  }
+  return this.findByUsername(value, cb);
+};
+
+/**
+ *
+ * Queries User collection, performing a MongoDB logical or with the email
+ * and username (i.e. if either one matches, will return the first document).
+ *
+ * @param {string} email
+ * @param {string} username
+ * @callback [cb] - Optional error-first callback that passes User document
+ * @return {Promise<Object>} - Returns Promise fulfilled by User document
+ */
+userSchema.statics.findByEmailAndUsername = function findByEmailAndUsername(email, username, cb) {
+  const query = {
+    $or: [
+      { email },
+      { username }
+    ]
+  };
+  return this.findOne(query).collation({ locale: 'en', strength: 2 }).exec(cb);
 };
 
 userSchema.statics.EmailConfirmation = EmailConfirmationStates;
 
+userSchema.index({ username: 1 }, { collation: { locale: 'en', strength: 2 } });
+userSchema.index({ email: 1 }, { collation: { locale: 'en', strength: 2 } });
+
 export default mongoose.model('User', userSchema);

server/routes/aws.routes.js

@@ -5,7 +5,7 @@ import isAuthenticated from '../utils/isAuthenticated';
 const router = new Router();
 
 router.post('/S3/sign', isAuthenticated, AWSController.signS3);
-router.post('/S3/copy', isAuthenticated, AWSController.copyObjectInS3);
+router.post('/S3/copy', isAuthenticated, AWSController.copyObjectInS3RequestHandler);
 router.delete('/S3/:userId?/:objectKey', isAuthenticated, AWSController.deleteObjectFromS3);
 router.get('/S3/objects', AWSController.listObjectsInS3ForUserRequestHandler);
 

server/views/consolidationMailLayout.js

@@ -0,0 +1,78 @@
+export default ({
+  domain,
+  headingText,
+  greetingText,
+  messageText,
+  username,
+  email,
+  message2Text,
+  resetPasswordLink,
+  directLinkText,
+  resetPasswordText,
+  noteText,
+  meta
+}) => (
+  `
+<mjml>
+  <mj-head>
+    <mj-raw>
+      <meta name="keywords" content="${meta.keywords}" />
+      <meta name="description" content="${meta.description}" />
+    </mj-raw>
+  </mj-head>
+  <mj-body>
+    <mj-container>
+      <mj-section>
+        <mj-column>
+          <mj-image width="192" src="${domain}/images/p5js-square-logo.png" alt="p5.js" />
+          <mj-divider border-color="#ed225d"></mj-divider>
+        </mj-column>
+      </mj-section>
+
+      <mj-section>
+        <mj-column>
+          <mj-text font-size="20px" color="#333333" font-family="sans-serif">
+            ${headingText}
+          </mj-text>
+        </mj-column>
+      </mj-section>
+
+      <mj-section>
+        <mj-column>
+          <mj-text color="#333333">
+            ${greetingText}
+          </mj-text>
+          <mj-text color="#333333">
+            ${messageText}
+          </mj-text>
+          <mj-text color="#333333">
+            <span style="font-weight:bold;">Username:</span> ${username}
+          </mj-text>
+          <mj-text color="#333333">
+            <span style="font-weight:bold;">Email:</span> ${email}
+          </mj-text>
+          <mj-text color="#333333">
+            ${message2Text}
+          </mj-text>
+          <mj-button background-color="#ed225d" href="${domain}/${resetPasswordLink}">
+            ${resetPasswordText}
+          </mj-button>
+        </mj-column>
+      </mj-section>
+
+      <mj-section>
+        <mj-column>
+          <mj-text color="#333333">
+            ${directLinkText}
+          </mj-text>
+          <mj-text align="center" color="#333333"><a href="${domain}/${resetPasswordLink}">${domain}/${resetPasswordLink}</a></mj-text>
+          <mj-text color="#333333">
+            ${noteText}
+          </mj-text>
+        </mj-column>
+      </mj-section>
+    </mj-container>
+  </mj-body>
+</mjml>
+`
+);

server/views/mail.js

@@ -1,5 +1,47 @@
 import renderMjml from '../utils/renderMjml';
 import mailLayout from './mailLayout';
+import consolidationMailLayout from './consolidationMailLayout';
+
+export const renderAccountConsolidation = (data) => {
+  const subject = 'p5.js Web Editor Account Consolidation';
+  const templateOptions = {
+    domain: data.body.domain,
+    headingText: 'Account Consolidation',
+    greetingText: 'Hello,',
+    messageText: `You're receiving this message because you previous registered for the
+                  <a href="https://editor.p5js.org">p5.js Web Editor</a>
+                  using the same email address multiple times. In order to fix bugs and prevent future bugs,
+                  your accounts have been consolidated to the first account you created. You can login with
+                  the following email and username:`,
+    username: data.body.username,
+    email: data.body.email,
+    message2Text: `All of your sketches and collections have been preserved and have not been modified.
+                  If you have forgotten your password you can reset it:`,
+    resetPasswordLink: 'reset-password',
+    resetPasswordText: 'Reset Password',
+    directLinkText: 'Or copy and paste the following URL into your browser:',
+    noteText: `We are grateful for your patience and understanding. Thank you for supporting p5.js and the
+              p5.js Web Editor!`,
+    meta: {
+      keywords: 'p5.js, p5.js web editor, web editor, processing, code editor',
+      description: 'A web editor for p5.js, a JavaScript library with the goal'
+        + ' of making coding accessible to artists, designers, educators, and beginners.'
+    }
+  };
+
+  // Return MJML string
+  const template = consolidationMailLayout(templateOptions);
+
+  // Render MJML to HTML string
+  const html = renderMjml(template);
+
+  // Return options to send mail
+  return Object.assign(
+    {},
+    data,
+    { html, subject },
+  );
+};
 
 export const renderResetPassword = (data) => {
   const subject = 'p5.js Web Editor Password Reset';