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

   1
   2 import { AfterViewInit, Component, ElementRef, OnInit, ViewChild } from '@angular/core'
   3 import { ActivatedRoute, Router } 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     private router: Router
  54   ) {
  55     super()
  56   }
  57
  58   get signupAllowed () {
  59     return this.serverConfig.signup.allowed === true
  60   }
  61
  62   get instanceName () {
  63     return this.serverConfig.instance.name
  64   }
  65
  66   onTermsClick (event: Event, instanceInformation: HTMLElement) {
  67     event.preventDefault()
  68
  69     if (this.accordion) {
  70       this.accordion.expand('terms')
  71       instanceInformation.scrollIntoView({ behavior: 'smooth' })
  72     }
  73   }
  74
  75   isEmailDisabled () {
  76     return this.serverConfig.email.enabled === false
  77   }
  78
  79   ngOnInit () {
  80     const snapshot = this.route.snapshot
  81
  82     // Avoid undefined errors when accessing form error properties
  83     this.buildForm({
  84       username: LOGIN_USERNAME_VALIDATOR,
  85       password: LOGIN_PASSWORD_VALIDATOR
  86     })
  87
  88     this.serverConfig = snapshot.data.serverConfig
  89
  90     if (snapshot.queryParams.externalAuthToken) {
  91       this.loadExternalAuthToken(snapshot.queryParams.username, snapshot.queryParams.externalAuthToken)
  92       return
  93     }
  94
  95     if (snapshot.queryParams.externalAuthError) {
  96       this.externalAuthError = true
  97       return
  98     }
  99
 100     const previousUrl = this.redirectService.getPreviousUrl()
 101     if (previousUrl && previousUrl !== '/') {
 102       this.storage.setItem(LoginComponent.SESSION_STORAGE_REDIRECT_URL_KEY, previousUrl)
 103     }
 104   }
 105
 106   ngAfterViewInit () {
 107     this.hooks.runAction('action:login.init', 'login')
 108   }
 109
 110   getExternalLogins () {
 111     return this.serverConfig.plugin.registeredExternalAuths
 112   }
 113
 114   getAuthHref (auth: RegisteredExternalAuthConfig) {
 115     return PluginsManager.getExternalAuthHref(auth)
 116   }
 117
 118   login () {
 119     this.error = null
 120
 121     const { username, password } = this.form.value
 122
 123     this.authService.login(username, password)
 124       .subscribe({
 125         next: () => this.redirectService.redirectToPreviousRoute(),
 126
 127         error: err => this.handleError(err)
 128       })
 129   }
 130
 131   askResetPassword () {
 132     this.userService.askResetPassword(this.forgotPasswordEmail)
 133       .subscribe({
 134         next: () => {
 135           const message = $localize`An email with the reset password instructions will be sent to ${this.forgotPasswordEmail}.
 136 The link will expire within 1 hour.`
 137
 138           this.notifier.success(message)
 139           this.hideForgotPasswordModal()
 140         },
 141
 142         error: err => this.notifier.error(err.message)
 143       })
 144   }
 145
 146   openForgotPasswordModal () {
 147     this.openedForgotPasswordModal = this.modalService.open(this.forgotPasswordModal)
 148   }
 149
 150   hideForgotPasswordModal () {
 151     this.openedForgotPasswordModal.close()
 152   }
 153
 154   onInstanceAboutAccordionInit (instanceAboutAccordion: InstanceAboutAccordionComponent) {
 155     this.accordion = instanceAboutAccordion.accordion
 156   }
 157
 158   hasUsernameUppercase () {
 159     return this.form.value['username'].match(/[A-Z]/)
 160   }
 161
 162   private loadExternalAuthToken (username: string, token: string) {
 163     this.isAuthenticatedWithExternalAuth = true
 164
 165     this.authService.login(username, null, token)
 166       .subscribe({
 167         next: () => {
 168           const redirectUrl = this.storage.getItem(LoginComponent.SESSION_STORAGE_REDIRECT_URL_KEY)
 169           if (redirectUrl) {
 170             this.storage.removeItem(LoginComponent.SESSION_STORAGE_REDIRECT_URL_KEY)
 171             return this.router.navigateByUrl(redirectUrl)
 172           }
 173
 174           this.redirectService.redirectToLatestSessionRoute()
 175         },
 176
 177         error: err => {
 178           this.handleError(err)
 179           this.isAuthenticatedWithExternalAuth = false
 180         }
 181       })
 182   }
 183
 184   private handleError (err: any) {
 185     if (err.message.indexOf('credentials are invalid') !== -1) this.error = $localize`Incorrect username or password.`
 186     else if (err.message.indexOf('blocked') !== -1) this.error = $localize`Your account is blocked.`
 187     else this.error = err.message
 188   }
 189 }