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 { USER_OTP_TOKEN_VALIDATOR } from '@app/shared/form-validators/user-validators'
   8 import { FormReactive, FormValidatorService, InputTextComponent } from '@app/shared/shared-forms'
   9 import { InstanceAboutAccordionComponent } from '@app/shared/shared-instance'
  10 import { NgbAccordion, NgbModal, NgbModalRef } from '@ng-bootstrap/ng-bootstrap'
  11 import { PluginsManager } from '@root-helpers/plugins-manager'
  12 import { RegisteredExternalAuthConfig, ServerConfig } from '@shared/models'
  13
  14 @Component({
  15   selector: 'my-login',
  16   templateUrl: './login.component.html',
  17   styleUrls: [ './login.component.scss' ]
  18 })
  19
  20 export class LoginComponent extends FormReactive implements OnInit, AfterViewInit {
  21   private static SESSION_STORAGE_REDIRECT_URL_KEY = 'login-previous-url'
  22
  23   @ViewChild('forgotPasswordModal', { static: true }) forgotPasswordModal: ElementRef
  24   @ViewChild('otpTokenInput') otpTokenInput: InputTextComponent
  25
  26   accordion: NgbAccordion
  27   error: string = null
  28   forgotPasswordEmail = ''
  29
  30   isAuthenticatedWithExternalAuth = false
  31   externalAuthError = false
  32   externalLogins: string[] = []
  33
  34   instanceInformationPanels = {
  35     terms: true,
  36     administrators: false,
  37     features: false,
  38     moderation: false,
  39     codeOfConduct: false
  40   }
  41
  42   otpStep = false
  43
  44   private openedForgotPasswordModal: NgbModalRef
  45   private serverConfig: ServerConfig
  46
  47   constructor (
  48     protected formValidatorService: FormValidatorService,
  49     private route: ActivatedRoute,
  50     private modalService: NgbModal,
  51     private authService: AuthService,
  52     private userService: UserService,
  53     private redirectService: RedirectService,
  54     private notifier: Notifier,
  55     private hooks: HooksService,
  56     private storage: SessionStorageService,
  57     private router: Router
  58   ) {
  59     super()
  60   }
  61
  62   get signupAllowed () {
  63     return this.serverConfig.signup.allowed === true
  64   }
  65
  66   get instanceName () {
  67     return this.serverConfig.instance.name
  68   }
  69
  70   onTermsClick (event: Event, instanceInformation: HTMLElement) {
  71     event.preventDefault()
  72
  73     if (this.accordion) {
  74       this.accordion.expand('terms')
  75       instanceInformation.scrollIntoView({ behavior: 'smooth' })
  76     }
  77   }
  78
  79   isEmailDisabled () {
  80     return this.serverConfig.email.enabled === false
  81   }
  82
  83   ngOnInit () {
  84     const snapshot = this.route.snapshot
  85
  86     // Avoid undefined errors when accessing form error properties
  87     this.buildForm({
  88       username: LOGIN_USERNAME_VALIDATOR,
  89       password: LOGIN_PASSWORD_VALIDATOR,
  90       'otp-token': {
  91         VALIDATORS: [], // Will be set dynamically
  92         MESSAGES: USER_OTP_TOKEN_VALIDATOR.MESSAGES
  93       }
  94     })
  95
  96     this.serverConfig = snapshot.data.serverConfig
  97
  98     if (snapshot.queryParams.externalAuthToken) {
  99       this.loadExternalAuthToken(snapshot.queryParams.username, snapshot.queryParams.externalAuthToken)
 100       return
 101     }
 102
 103     if (snapshot.queryParams.externalAuthError) {
 104       this.externalAuthError = true
 105       return
 106     }
 107
 108     const previousUrl = this.redirectService.getPreviousUrl()
 109     if (previousUrl && previousUrl !== '/') {
 110       this.storage.setItem(LoginComponent.SESSION_STORAGE_REDIRECT_URL_KEY, previousUrl)
 111     }
 112   }
 113
 114   ngAfterViewInit () {
 115     this.hooks.runAction('action:login.init', 'login')
 116   }
 117
 118   getExternalLogins () {
 119     return this.serverConfig.plugin.registeredExternalAuths
 120   }
 121
 122   getAuthHref (auth: RegisteredExternalAuthConfig) {
 123     return PluginsManager.getExternalAuthHref(auth)
 124   }
 125
 126   login () {
 127     this.error = null
 128
 129     const options = {
 130       username: this.form.value['username'],
 131       password: this.form.value['password'],
 132       otpToken: this.form.value['otp-token']
 133     }
 134
 135     this.authService.login(options)
 136       .pipe()
 137       .subscribe({
 138         next: () => this.redirectService.redirectToPreviousRoute(),
 139
 140         error: err => {
 141           this.handleError(err)
 142         }
 143       })
 144   }
 145
 146   askResetPassword () {
 147     this.userService.askResetPassword(this.forgotPasswordEmail)
 148       .subscribe({
 149         next: () => {
 150           const message = $localize`An email with the reset password instructions will be sent to ${this.forgotPasswordEmail}.
 151 The link will expire within 1 hour.`
 152
 153           this.notifier.success(message)
 154           this.hideForgotPasswordModal()
 155         },
 156
 157         error: err => this.notifier.error(err.message)
 158       })
 159   }
 160
 161   openForgotPasswordModal () {
 162     this.openedForgotPasswordModal = this.modalService.open(this.forgotPasswordModal)
 163   }
 164
 165   hideForgotPasswordModal () {
 166     this.openedForgotPasswordModal.close()
 167   }
 168
 169   onInstanceAboutAccordionInit (instanceAboutAccordion: InstanceAboutAccordionComponent) {
 170     this.accordion = instanceAboutAccordion.accordion
 171   }
 172
 173   hasUsernameUppercase () {
 174     return this.form.value['username'].match(/[A-Z]/)
 175   }
 176
 177   private loadExternalAuthToken (username: string, token: string) {
 178     this.isAuthenticatedWithExternalAuth = true
 179
 180     this.authService.login({ username, password: null, token })
 181       .subscribe({
 182         next: () => {
 183           const redirectUrl = this.storage.getItem(LoginComponent.SESSION_STORAGE_REDIRECT_URL_KEY)
 184           if (redirectUrl) {
 185             this.storage.removeItem(LoginComponent.SESSION_STORAGE_REDIRECT_URL_KEY)
 186             return this.router.navigateByUrl(redirectUrl)
 187           }
 188
 189           this.redirectService.redirectToLatestSessionRoute()
 190         },
 191
 192         error: err => {
 193           this.handleError(err)
 194           this.isAuthenticatedWithExternalAuth = false
 195         }
 196       })
 197   }
 198
 199   private handleError (err: any) {
 200     if (this.authService.isOTPMissingError(err)) {
 201       this.otpStep = true
 202
 203       setTimeout(() => {
 204         this.form.get('otp-token').setValidators(USER_OTP_TOKEN_VALIDATOR.VALIDATORS)
 205         this.otpTokenInput.focus()
 206       })
 207
 208       return
 209     }
 210
 211     if (err.message.indexOf('credentials are invalid') !== -1) this.error = $localize`Incorrect username or password.`
 212     else if (err.message.indexOf('blocked') !== -1) this.error = $localize`Your account is blocked.`
 213     else this.error = err.message
 214   }
 215 }