user-login-logic.ts

private processAuthenticateResult(authenticateResult: AuthenticateResultModel, redirectUrl?: string) {
        this.authenticateResult = authenticateResult;

        if (authenticateResult.shouldResetPassword) {
            // Password reset

            this._router.navigate(['account/reset-password'], {
                queryParams: {
                    userId: authenticateResult.userId,
                    tenantId: abp.session.tenantId,
                    resetCode: authenticateResult.passwordResetCode
                }
            });

            this.clear();

        } else if (authenticateResult.requiresTwoFactorVerification) {
            // Two factor authentication

            this._router.navigate(['account/send-code']);

        } else if (authenticateResult.accessToken) {
            // Successfully logged in

            if (authenticateResult.returnUrl && !redirectUrl) {
                redirectUrl = authenticateResult.returnUrl;
            }

            this.login(
                authenticateResult.accessToken,
                authenticateResult.encryptedAccessToken,
                authenticateResult.expireInSeconds,
                authenticateResult.refreshToken,
                authenticateResult.refreshTokenExpireInSeconds,
                this.rememberMe,
                authenticateResult.twoFactorRememberClientToken,
                redirectUrl
            );

        } else {
            // Unexpected result!

            this._logService.warn('Unexpected authenticateResult!');
            this._router.navigate(['account/login']);

        }
    }