Add the change-name route

Author: bguillaumat

logic/auth.js

@@ -16,14 +16,20 @@ const saltRounds = 10;
 const SYSTEM_USER = UUID.fetchBootUUID() || 'admin';
 
 let devicePassword = '';
+let changeNameStatus;
 let changePasswordStatus;
 
+resetChangeNameStatus();
 resetChangePasswordStatus();
 
 function resetChangePasswordStatus() {
     changePasswordStatus = { percent: 0 };
 }
 
+function resetChangeNameStatus() {
+    changeNameStatus = { percent: 0 };
+}
+
 async function sleepSeconds(seconds) {
     return new Promise(resolve => {
         setTimeout(resolve, seconds * constants.TIME.ONE_SECOND_IN_MILLIS);
@@ -40,6 +46,47 @@ function getCachedPassword() {
     return devicePassword;
 }
 
+// Change the device name
+async function changeName(name) {
+    resetChangeNameStatus();
+
+    changeNameStatus.percent = 1; // eslint-disable-line no-magic-numbers
+
+    changeNameStatus.percent = 40; // eslint-disable-line no-magic-numbers
+
+    let complete = false;
+    try {
+        // get user data
+        const user = await diskLogic.readUserFile();
+
+        // update user name
+        user.name = name;
+
+        // update user file
+        await diskLogic.writeUserFile({ ...user });
+
+        complete = true;
+
+        changeNameStatus.percent = 100;
+    } catch (error) {
+        if (error.response.status === constants.STATUS_CODES.UNAUTHORIZED) {
+            changeNameStatus.unauthorized = true;
+        } else {
+            changeNameStatus.error = true;
+            changeNameStatus.percent = 100;
+
+            throw error;
+        }
+    }
+
+    if (!complete) {
+        changeNameStatus.error = true;
+        changeNameStatus.percent = 100;
+
+        throw new Error('Unable to change name');
+    }
+}
+
 // Change the device and lnd password.
 async function changePassword(currentPassword, newPassword, jwt) {
 
@@ -117,6 +164,10 @@ async function changePassword(currentPassword, newPassword, jwt) {
 
 }
 
+function getChangeNameStatus() {
+    return changeNameStatus;
+}
+
 function getChangePasswordStatus() {
     return changePasswordStatus;
 }
@@ -266,8 +317,10 @@ async function refresh(user) {
 
 
 module.exports = {
+    changeName,
     changePassword,
     getCachedPassword,
+    getChangeNameStatus,
     getChangePasswordStatus,
     hashCredentials,
     isRegistered,

routes/v1/account.js

@@ -13,6 +13,31 @@ const validator = require('utils/validator.js');
 
 const COMPLETE = 100;
 
+router.post('/change-name', auth.jwt, safeHandler(async (req, res, next) => {
+    const newName = req.body.newName;
+
+    try {
+        validator.isString(newName);
+    } catch (error) {
+        return next(error);
+    }
+
+    const status = await authLogic.getChangeNameStatus();
+
+    // return a conflict if a change name process is already running
+    if (status.percent > 0 && status.percent !== COMPLETE) {
+        return res.status(constants.STATUS_CODES.CONFLICT).json();
+    }
+
+    try {
+        // start change name process in the background and immediately return
+        await authLogic.changeName(newName);
+        return res.status(constants.STATUS_CODES.OK).json();
+    } catch (error) {
+        return next(error);
+    }
+}));
+
 // Endpoint to change your lnd password. Wallet must exist and be unlocked.
 router.post('/change-password', auth.convertReqBodyToBasicAuth, auth.basic, incorrectPasswordAuthHandler, safeHandler(async (req, res, next) => {
     // Use password from the body by default. Basic auth has issues handling special characters.