import { UserState } from "./UserState";
import { Credential } from "../../Dto";
/**
* @interface
* @category SDK
* @subcategory Internal
* @property {string[]?} credentials - A list of known credential IDs on the current browser.
*/
export interface LocalStorageWebauthn {
credentials?: string[];
}
/**
* A class that manages WebAuthn credentials via local storage.
*
* @extends UserState
* @category SDK
* @subcategory Internal
*/
class WebauthnState extends UserState {
/**
* Gets the WebAuthn state.
*
* @private
* @param {string} userID - The UUID of the user.
* @return {LocalStorageWebauthn}
*/
private getState(userID: string): LocalStorageWebauthn {
return (super.getUserState(userID).webauthn ||= {});
}
/**
* Reads the current state.
*
* @public
* @return {WebauthnState}
*/
read(): WebauthnState {
super.read();
return this;
}
/**
* Gets the list of known credentials on the current browser.
*
* @param {string} userID - The UUID of the user.
* @return {string[]}
*/
getCredentials(userID: string): string[] {
return (this.getState(userID).credentials ||= []);
}
/**
* Adds the credential to the list of known credentials.
*
* @param {string} userID - The UUID of the user.
* @param {string} credentialID - The WebAuthn credential ID.
* @return {WebauthnState}
*/
addCredential(userID: string, credentialID: string): WebauthnState {
this.getCredentials(userID).push(credentialID);
return this;
}
/**
* Returns the intersection between the specified list of credentials and the known credentials stored in
* the local storage.
*
* @param {string} userID - The UUID of the user.
* @param {Credential[]} match - A list of credential IDs to be matched against the local storage.
* @return {Credential[]}
*/
matchCredentials(userID: string, match: Credential[]): Credential[] {
return this.getCredentials(userID)
.filter((id) => match.find((c) => c.id === id))
.map((id: string) => ({ id } as Credential));
}
}
export { WebauthnState };
Source