client/src/app/+login/login.component.ts

   1
   2 import { AfterViewInit, Component, ElementRef, OnInit, ViewChild } from '@angular/core'
   3 import { ActivatedRoute } from '@angular/router'
   4 import { AuthService, Notifier, RedirectService, SessionStorageService, UserService } from '@app/core'
   5 import { HooksService } from '@app/core/plugins/hooks.service'
   6 import { LOGIN_PASSWORD_VALIDATOR, LOGIN_USERNAME_VALIDATOR } from '@app/shared/form-validators/login-validators'
   7 import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
   8 import { InstanceAboutAccordionComponent } from '@app/shared/shared-instance'
   9 import { NgbAccordion, NgbModal, NgbModalRef } from '@ng-bootstrap/ng-bootstrap'
  10 import { PluginsManager } from '@root-helpers/plugins-manager'
  11 import { RegisteredExternalAuthConfig, ServerConfig } from '@shared/models'
  12
  13 @Component({
  14   selector: 'my-login',
  15   templateUrl: './login.component.html',
  16   styleUrls: [ './login.component.scss' ]
  17 })
  18
  19 export class LoginComponent extends FormReactive implements OnInit, AfterViewInit {
  20   private static SESSION_STORAGE_REDIRECT_URL_KEY = 'login-previous-url'
  21
  22   @ViewChild('forgotPasswordModal', { static: true }) forgotPasswordModal: ElementRef
  23
  24   accordion: NgbAccordion
  25   error: string = null
  26   forgotPasswordEmail = ''
  27
  28   isAuthenticatedWithExternalAuth = false
  29   externalAuthError = false
  30   externalLogins: string[] = []
  31
  32   instanceInformationPanels = {
  33     terms: true,
  34     administrators: false,
  35     features: false,
  36     moderation: false,
  37     codeOfConduct: false
  38   }
  39
  40   private openedForgotPasswordModal: NgbModalRef
  41   private serverConfig: ServerConfig
  42
  43   constructor (
  44     protected formValidatorService: FormValidatorService,
  45     private route: ActivatedRoute,
  46     private modalService: NgbModal,
  47     private authService: AuthService,
  48     private userService: UserService,
  49     private redirectService: RedirectService,
  50     private notifier: Notifier,
  51     private hooks: HooksService,
  52     private storage: SessionStorageService
  53   ) {
  54     super()
  55   }
  56
  57   get signupAllowed () {
  58     return this.serverConfig.signup.allowed === true
  59   }
  60
  61   onTermsClick (event: Event, instanceInformation: HTMLElement) {
  62     event.preventDefault()
  63
  64     if (this.accordion) {
  65       this.accordion.expand('terms')
  66       instanceInformation.scrollIntoView({ behavior: 'smooth' })
  67     }
  68   }
  69
  70   isEmailDisabled () {
  71     return this.serverConfig.email.enabled === false
  72   }
  73
  74   ngOnInit () {
  75     const snapshot = this.route.snapshot
  76
  77     // Avoid undefined errors when accessing form error properties
  78     this.buildForm({
  79       username: LOGIN_USERNAME_VALIDATOR,
  80       password: LOGIN_PASSWORD_VALIDATOR
  81     })
  82
  83     this.serverConfig = snapshot.data.serverConfig
  84
  85     if (snapshot.queryParams.externalAuthToken) {
  86       this.loadExternalAuthToken(snapshot.queryParams.username, snapshot.queryParams.externalAuthToken)
  87       return
  88     }
  89
  90     if (snapshot.queryParams.externalAuthError) {
  91       this.externalAuthError = true
  92       return
  93     }
  94
  95     this.storage.setItem(LoginComponent.SESSION_STORAGE_REDIRECT_URL_KEY, this.redirectService.getPreviousUrl())
  96   }
  97
  98   ngAfterViewInit () {
  99     this.hooks.runAction('action:login.init', 'login')
 100   }
 101
 102   getExternalLogins () {
 103     return this.serverConfig.plugin.registeredExternalAuths
 104   }
 105
 106   getAuthHref (auth: RegisteredExternalAuthConfig) {
 107     return PluginsManager.getExternalAuthHref(auth)
 108   }
 109
 110   login () {
 111     this.error = null
 112
 113     const { username, password } = this.form.value
 114
 115     this.authService.login(username, password)
 116       .subscribe({
 117         next: () => this.redirectService.redirectToPreviousRoute(),
 118
 119         error: err => this.handleError(err)
 120       })
 121   }
 122
 123   askResetPassword () {
 124     this.userService.askResetPassword(this.forgotPasswordEmail)
 125       .subscribe({
 126         next: () => {
 127           const message = $localize`An email with the reset password instructions will be sent to ${this.forgotPasswordEmail}.
 128 The link will expire within 1 hour.`
 129
 130           this.notifier.success(message)
 131           this.hideForgotPasswordModal()
 132         },
 133
 134         error: err => this.notifier.error(err.message)
 135       })
 136   }
 137
 138   openForgotPasswordModal () {
 139     this.openedForgotPasswordModal = this.modalService.open(this.forgotPasswordModal)
 140   }
 141
 142   hideForgotPasswordModal () {
 143     this.openedForgotPasswordModal.close()
 144   }
 145
 146   onInstanceAboutAccordionInit (instanceAboutAccordion: InstanceAboutAccordionComponent) {
 147     this.accordion = instanceAboutAccordion.accordion
 148   }
 149
 150   hasUsernameUppercase () {
 151     return this.form.value['username'].match(/[A-Z]/)
 152   }
 153
 154   private loadExternalAuthToken (username: string, token: string) {
 155     this.isAuthenticatedWithExternalAuth = true
 156
 157     this.authService.login(username, null, token)
 158       .subscribe({
 159         next: () => {
 160           this.redirectService.redirectToPreviousRoute(this.storage.getItem(LoginComponent.SESSION_STORAGE_REDIRECT_URL_KEY))
 161         },
 162
 163         error: err => {
 164           this.handleError(err)
 165           this.isAuthenticatedWithExternalAuth = false
 166         }
 167       })
 168   }
 169
 170   private handleError (err: any) {
 171     if (err.message.indexOf('credentials are invalid') !== -1) this.error = $localize`Incorrect username or password.`
 172     else if (err.message.indexOf('blocked') !== -1) this.error = $localize`Your account is blocked.`
 173     else this.error = err.message
 174   }
 175 }