300 lines
9.5 KiB
JavaScript
300 lines
9.5 KiB
JavaScript
/**
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* Script for login.ejs
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*/
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// Validation Regexes.
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const validUsername = /^[a-zA-Z0-9_]{1,16}$/
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const basicEmail = /^\S+@\S+\.\S+$/
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//const validEmail = /^(([^<>()\[\]\.,;:\s@\"]+(\.[^<>()\[\]\.,;:\s@\"]+)*)|(\".+\"))@(([^<>()[\]\.,;:\s@\"]+\.)+[^<>()[\]\.,;:\s@\"]{2,})$/i
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// Login Elements
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const loginCancelContainer = document.getElementById('loginCancelContainer')
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const loginCancelButton = document.getElementById('loginCancelButton')
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const loginEmailError = document.getElementById('loginEmailError')
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const loginUsername = document.getElementById('loginUsername')
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const loginPasswordError = document.getElementById('loginPasswordError')
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const loginPassword = document.getElementById('loginPassword')
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const checkmarkContainer = document.getElementById('checkmarkContainer')
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const loginRememberOption = document.getElementById('loginRememberOption')
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const loginButton = document.getElementById('loginButton')
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const loginForm = document.getElementById('loginForm')
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// Control variables.
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let lu = false, lp = false
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const loggerLogin = LoggerUtil('%c[Login]', 'color: #000668; font-weight: bold')
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/**
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* Show a login error.
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*
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* @param {HTMLElement} element The element on which to display the error.
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* @param {string} value The error text.
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*/
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function showError(element, value){
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element.innerHTML = value
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element.style.opacity = 1
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}
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/**
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* Shake a login error to add emphasis.
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*
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* @param {HTMLElement} element The element to shake.
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*/
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function shakeError(element){
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if(element.style.opacity == 1){
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element.classList.remove('shake')
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void element.offsetWidth
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element.classList.add('shake')
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}
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}
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/**
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* Validate that an email field is neither empty nor invalid.
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*
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* @param {string} value The email value.
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*/
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function validateEmail(value){
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if(value){
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if(!basicEmail.test(value) && !validUsername.test(value)){
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showError(loginEmailError, Lang.queryJS('login.error.invalidValue'))
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loginDisabled(true)
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lu = false
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} else {
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loginEmailError.style.opacity = 0
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lu = true
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if(lp){
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loginDisabled(false)
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}
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}
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} else {
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lu = false
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showError(loginEmailError, Lang.queryJS('login.error.requiredValue'))
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loginDisabled(true)
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}
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}
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/**
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* Validate that the password field is not empty.
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*
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* @param {string} value The password value.
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*/
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function validatePassword(value){
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if(value){
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loginPasswordError.style.opacity = 0
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lp = true
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if(lu){
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loginDisabled(false)
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}
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} else {
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lp = false
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showError(loginPasswordError, Lang.queryJS('login.error.invalidValue'))
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loginDisabled(true)
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}
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}
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// Emphasize errors with shake when focus is lost.
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loginUsername.addEventListener('focusout', (e) => {
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validateEmail(e.target.value)
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shakeError(loginEmailError)
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})
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loginPassword.addEventListener('focusout', (e) => {
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validatePassword(e.target.value)
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shakeError(loginPasswordError)
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})
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// Validate input for each field.
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loginUsername.addEventListener('input', (e) => {
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validateEmail(e.target.value)
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})
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loginPassword.addEventListener('input', (e) => {
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validatePassword(e.target.value)
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})
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/**
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* Enable or disable the login button.
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*
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* @param {boolean} v True to enable, false to disable.
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*/
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function loginDisabled(v){
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if(loginButton.disabled !== v){
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loginButton.disabled = v
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}
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}
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/**
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* Enable or disable loading elements.
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*
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* @param {boolean} v True to enable, false to disable.
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*/
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function loginLoading(v){
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if(v){
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loginButton.setAttribute('loading', v)
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loginButton.innerHTML = loginButton.innerHTML.replace(Lang.queryJS('login.login'), Lang.queryJS('login.loggingIn'))
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} else {
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loginButton.removeAttribute('loading')
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loginButton.innerHTML = loginButton.innerHTML.replace(Lang.queryJS('login.loggingIn'), Lang.queryJS('login.login'))
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}
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}
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/**
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* Enable or disable login form.
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*
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* @param {boolean} v True to enable, false to disable.
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*/
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function formDisabled(v){
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loginDisabled(v)
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loginCancelButton.disabled = v
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loginUsername.disabled = v
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loginPassword.disabled = v
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if(v){
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checkmarkContainer.setAttribute('disabled', v)
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} else {
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checkmarkContainer.removeAttribute('disabled')
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}
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loginRememberOption.disabled = v
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}
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/**
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* Parses an error and returns a user-friendly title and description
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* for our error overlay.
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*
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* @param {Error | {cause: string, error: string, errorMessage: string}} err A Node.js
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* error or Mojang error response.
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*/
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function resolveError(err){
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// Mojang Response => err.cause | err.error | err.errorMessage
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// Node error => err.code | err.message
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if(err.cause != null && err.cause === 'UserMigratedException') {
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return {
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title: Lang.queryJS('login.error.userMigrated.title'),
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desc: Lang.queryJS('login.error.userMigrated.desc')
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}
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} else {
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if(err.error != null){
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if(err.error === 'ForbiddenOperationException'){
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if(err.errorMessage != null){
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if(err.errorMessage === 'Invalid credentials. Invalid username or password.'){
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return {
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title: Lang.queryJS('login.error.invalidCredentials.title'),
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desc: Lang.queryJS('login.error.invalidCredentials.desc')
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}
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} else if(err.errorMessage === 'Invalid credentials.'){
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return {
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title: Lang.queryJS('login.error.rateLimit.title'),
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desc: Lang.queryJS('login.error.rateLimit.desc')
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}
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}
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}
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}
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} else {
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// Request errors (from Node).
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if(err.code != null){
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if(err.code === 'ENOENT'){
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// No Internet.
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return {
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title: Lang.queryJS('login.error.noInternet.title'),
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desc: Lang.queryJS('login.error.noInternet.desc')
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}
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} else if(err.code === 'ENOTFOUND'){
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// Could not reach server.
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return {
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title: Lang.queryJS('login.error.authDown.title'),
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desc: Lang.queryJS('login.error.authDown.desc')
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}
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}
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}
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}
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}
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if(err.message != null){
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if(err.message === 'NotPaidAccount'){
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return {
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title: Lang.queryJS('login.error.notPaid.title'),
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desc: Lang.queryJS('login.error.notPaid.desc')
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}
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} else {
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// Unknown error with request.
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return {
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title: Lang.queryJS('login.error.unknown.title'),
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desc: err.message
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}
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}
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} else {
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// Unknown Mojang error.
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return {
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title: err.error,
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desc: err.errorMessage
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}
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}
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}
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let loginViewOnSuccess = VIEWS.landing
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let loginViewOnCancel = VIEWS.settings
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let loginViewCancelHandler
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function loginCancelEnabled(val){
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if(val){
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$(loginCancelContainer).show()
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} else {
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$(loginCancelContainer).hide()
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}
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}
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loginCancelButton.onclick = (e) => {
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switchView(getCurrentView(), loginViewOnCancel, 500, 500, () => {
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loginUsername.value = ''
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loginPassword.value = ''
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loginCancelEnabled(false)
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if(loginViewCancelHandler != null){
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loginViewCancelHandler()
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loginViewCancelHandler = null
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}
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})
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}
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// Disable default form behavior.
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loginForm.onsubmit = () => { return false }
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// Bind login button behavior.
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loginButton.addEventListener('click', () => {
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// Disable form.
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formDisabled(true)
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// Show loading stuff.
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loginLoading(true)
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AuthManager.addAccount(loginUsername.value, loginPassword.value).then((value) => {
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updateSelectedAccount(value)
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loginButton.innerHTML = loginButton.innerHTML.replace(Lang.queryJS('login.loggingIn'), Lang.queryJS('login.success'))
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$('.circle-loader').toggleClass('load-complete')
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$('.checkmark').toggle()
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setTimeout(() => {
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switchView(VIEWS.login, loginViewOnSuccess, 500, 500, () => {
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// Temporary workaround
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if(loginViewOnSuccess === VIEWS.settings){
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prepareSettings()
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}
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loginViewOnSuccess = VIEWS.landing // Reset this for good measure.
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loginCancelEnabled(false) // Reset this for good measure.
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loginViewCancelHandler = null // Reset this for good measure.
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loginUsername.value = ''
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loginPassword.value = ''
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$('.circle-loader').toggleClass('load-complete')
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$('.checkmark').toggle()
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loginLoading(false)
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loginButton.innerHTML = loginButton.innerHTML.replace(Lang.queryJS('login.success'), Lang.queryJS('login.login'))
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formDisabled(false)
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})
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}, 1000)
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}).catch((err) => {
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loginLoading(false)
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const errF = resolveError(err)
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setOverlayContent(errF.title, errF.desc, Lang.queryJS('login.tryAgain'))
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setOverlayHandler(() => {
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formDisabled(false)
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toggleOverlay(false)
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})
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toggleOverlay(true)
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loggerLogin.log('Error while logging in.', err)
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})
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}) |