completeAuthentication(data: { code: string,
	session_state: string,
	codeVerifier: string | null,
	callbackUrl: string }): Observable {
		return this.http.post(environment.baseUrlUserAccount +
			'/code', JSON.stringify(data),
			httpOptions);
}

login(): void {
	if (!sessionStorage.getItem(enumNames.token)) {
			this.http.post(environment.baseUrlUserAccount +
			'/authorize',
			JSON.stringify({client_id: this.config.client_id,
				redirect_uri: this.config.redirect_uri,
				scope: this.config.scope}),
			httpOptions).subscribe((res: LabelValueString) => {
				sessionStorage.setItem(enumNames.codeVerifier, res.label);
					document.location.href = res.value;
		});
	}
}