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