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Demystifying Token Authentication in NgRx

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Great, but how do I log in? @samjulien

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What goes where? @samjulien

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Sam Julien @samjulien Technical Community Manager at Auth0 GDE & Angular Collaborator UpgradingAngularJS.com @samjulien

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@samjulien State Actions Effects

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State

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What goes in the store? @samjulien

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SHARI @samjulien Shared Impacted Retrieved Available Hydrated

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export interface State { isAuthenticated: boolean; userProfile: UserProfile; accessToken: AccessToken; } @samjulien

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export interface State { isAuthenticated: boolean; userProfile: UserProfile; accessToken: AccessToken; } @samjulien

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export interface State { isAuthenticated: boolean; userProfile: UserProfile; accessToken: AccessToken; } @samjulien

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export interface State { isAuthenticated: boolean; userProfile: UserProfile; accessToken: AccessToken; } @samjulien

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Don’t keep access tokens in local storage! @samjulien

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Actions

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@samjulien

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@samjulien

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Start login Handle redirect Log in to provider

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Handle redirect Success Error

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@samjulien Good Action Hygiene(TM)

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@samjulien Write actions first Don’t reuse actions Clarity > Brevity Good Action Hygiene(TM)

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export const login = createAction( '[Login Page] Start Log In’ ); @samjulien

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export const handleRedirect = createAction( '[Auth API] Handle Redirect' ); @samjulien

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export const loginSuccess = createAction( '[Auth API] Login Success’, props<{ redirectUrl: string }>() ); export const loginFailure = createAction( '[Auth API] Login Failure', props<{ error: Error }>() ); @samjulien

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export const loginSuccess = createAction( '[Auth API] Login Success’, props<{ redirectUrl: string }>() ); export const loginFailure = createAction( '[Auth API] Login Failure', props<{ error: Error }>() ); @samjulien

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export const loginSuccess = createAction( '[Auth API] Login Success’, props<{ redirectUrl: string }>() ); export const loginFailure = createAction( '[Auth API] Login Failure', props<{ error: Error }>() ); @samjulien

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export const loginSuccess = createAction( '[Auth API] Login Success’, props<{ redirectUrl: string }>() ); export const loginFailure = createAction( '[Auth API] Login Failure', props<{ error: Error }>() ); @samjulien

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export const loginSuccess = createAction( '[Auth API] Login Success’, props<{ redirectUrl: string }>() ); export const loginFailure = createAction( '[Auth API] Login Failure', props<{ error: Error }>() ); @samjulien

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Effects

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Authentication service will be very thin.

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Start login Handle redirect Log in to provider

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Handle redirect Success Error

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login$ = createEffect( () => this.actions$.pipe( ofType(AuthActions.login), tap(() => this.authService.login()) ), { dispatch: false } ); @samjulien

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login$ = createEffect( () => this.actions$.pipe( ofType(AuthActions.login), tap(() => this.authService.login()) ), { dispatch: false } ); @samjulien

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login$ = createEffect( () => this.actions$.pipe( ofType(AuthActions.login), tap(() => this.authService.login()) ), { dispatch: false } ); @samjulien

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login$ = createEffect( () => this.actions$.pipe( ofType(AuthActions.login), tap(() => this.authService.login()) ), { dispatch: false } ); @samjulien

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handleRedirect$ = createEffect(() => this.actions$.pipe( ofType(AuthActions.handleRedirect), exhaustMap(() => { @samjulien ) ); ... })

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handleRedirect$ = createEffect(() => this.actions$.pipe( ofType(AuthActions.handleRedirect), exhaustMap(() => { @samjulien ) ); ... })

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handleRedirect$ = createEffect(() => this.actions$.pipe( ofType(AuthActions.handleRedirect), exhaustMap(() => { @samjulien ) ); ... })

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handleRedirect$ = createEffect(() => this.actions$.pipe( ofType(AuthActions.handleRedirect), exhaustMap(() => { @samjulien ) ); ... })

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this.actions$.pipe( ofType(AuthActions.handleRedirect), exhaustMap(() => { @samjulien }) // handle redirect and process tokens this.authService.handleRedirect.pipe( map(({ redirectUrl }) => AuthActions.loginSuccess({ redirectUrl })), catchError(({ error }) => AuthActions.loginFailure({ error })) );

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this.actions$.pipe( ofType(AuthActions.handleRedirect), exhaustMap(() => { @samjulien }) // handle redirect and process tokens this.authService.handleRedirect.pipe( map(({ redirectUrl }) => AuthActions.loginSuccess({ redirectUrl })), catchError(({ error }) => AuthActions.loginFailure({ error })) );

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this.actions$.pipe( ofType(AuthActions.handleRedirect), exhaustMap(() => { @samjulien }) // handle redirect and process tokens this.authService.handleRedirect.pipe( map(({ redirectUrl }) => AuthActions.loginSuccess({ redirectUrl })), catchError(({ error }) => AuthActions.loginFailure({ error })) );

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this.actions$.pipe( ofType(AuthActions.handleRedirect), exhaustMap(() => { @samjulien }) // handle redirect and process tokens this.authService.handleRedirect.pipe( map(({ redirectUrl }) => AuthActions.loginSuccess({ redirectUrl })), catchError(({ error }) => AuthActions.loginFailure({ error })) );

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loginSuccess$ = createEffect( () => this.actions$.pipe( ofType(AuthActions.loginSucess), tap(({ redirectUrl }) => this.router.navigate([redirectUrl])) ), { dispatch: false } ); @samjulien

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loginSuccess$ = createEffect( () => this.actions$.pipe( ofType(AuthActions.loginSucess), tap(({ redirectUrl }) => this.router.navigate([redirectUrl])) ), { dispatch: false } ); @samjulien

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loginSuccess$ = createEffect( () => this.actions$.pipe( ofType(AuthActions.loginSucess), tap(({ redirectUrl }) => this.router.navigate([redirectUrl])) ), { dispatch: false } ); @samjulien

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loginSuccess$ = createEffect( () => this.actions$.pipe( ofType(AuthActions.loginSucess), tap(({ redirectUrl }) => this.router.navigate([redirectUrl])) ), { dispatch: false } ); @samjulien

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loginFailure$ = createEffect( () => this.actions$.pipe( ofType(AuthActions.loginFailure), tap(({ error }) => { this.loggingService.error(error); this.router.navigate(['/']); }) ), { dispatch: false } ); @samjulien

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loginFailure$ = createEffect( () => this.actions$.pipe( ofType(AuthActions.loginFailure), tap(({ error }) => { this.loggingService.error(error); this.router.navigate(['/']); }) ), { dispatch: false } ); @samjulien

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loginFailure$ = createEffect( () => this.actions$.pipe( ofType(AuthActions.loginFailure), tap(({ error }) => { this.loggingService.error(error); this.router.navigate(['/']); }) ), { dispatch: false } ); @samjulien

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loginFailure$ = createEffect( () => this.actions$.pipe( ofType(AuthActions.loginFailure), tap(({ error }) => { this.loggingService.error(error); this.this.router.navigate(['/']); }) ), { dispatch: false } ); @samjulien

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@samjulien State Actions Effects

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samj.im/angular-denver @samjulien

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samj.im/angular-denver Thank you! @samjulien