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Unsubscribe from 'token_received' events before re-subscribing #630

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Mar 2, 2020
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6 changes: 5 additions & 1 deletion projects/lib/src/oauth-service.ts
Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,7 @@ export class OAuthService extends AuthConfig implements OnDestroy {
protected _storage: OAuthStorage;
protected accessTokenTimeoutSubscription: Subscription;
protected idTokenTimeoutSubscription: Subscription;
protected tokenReceivedSubscription: Subscription;
protected sessionCheckEventListener: EventListener;
protected jwksUri: string;
protected sessionCheckTimer: any;
Expand Down Expand Up @@ -304,7 +305,10 @@ export class OAuthService extends AuthConfig implements OnDestroy {
this.setupExpirationTimers();
}

this.events.pipe(filter(e => e.type === 'token_received')).subscribe(_ => {
if (this.tokenReceivedSubscription)
this.tokenReceivedSubscription.unsubscribe();

this.tokenReceivedSubscription = this.events.pipe(filter(e => e.type === 'token_received')).subscribe(_ => {
this.clearAccessTokenTimer();
this.clearIdTokenTimer();
this.setupExpirationTimers();
Expand Down