alp-node-auth/src/services/user/UserAccountGoogleService.ts

authentication with alp

/* eslint-disable @typescript-eslint/no-unsafe-argument */
/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
import type { Tokens } from "../authentification/types";
import type { AccountService, FullName } from "./types";

export default class UserAccountGoogleService<ScopeKeys extends "login">
  implements AccountService<ScopeKeys>
{
  scopeKeyToScope: Record<ScopeKeys, string>;

  constructor(scopeKeyToScope: Record<Exclude<"login", ScopeKeys>, string>) {
    this.scopeKeyToScope = {
      ...scopeKeyToScope,
      login: "openid profile email",
    };
  }

  providerKey = "google";

  getProfile(tokens: Tokens): Promise<any> {
    // eslint-disable-next-line n/no-unsupported-features/node-builtins
    return fetch(
      `https://www.googleapis.com/oauth2/v1/userinfo?access_token=${tokens.accessToken}`,
    ).then((response) => response.json());
  }

  getId(profile: any): any {
    return profile.id;
  }

  getAccountName(profile: any): string | null | undefined {
    return profile.email;
  }

  getEmails(profile: any): string[] {
    const emails: string[] = [];

    if (profile.email) {
      emails.push(profile.email);
    }

    return emails;
  }

  getDisplayName(profile: any): string | null | undefined {
    return profile.name;
  }

  getFullName(profile: any): FullName {
    return {
      givenName: profile.given_name,
      familyName: profile.family_name,
    };
  }

  getDefaultScope(newScope: string): string[] {
    return this.getScope(undefined, newScope);
  }

  getScope(oldScope: string[] | undefined, newScope: string): string[] {
    return !oldScope
      ? newScope.split(" ")
      : [...oldScope, ...newScope.split(" ")].filter(
          (item, i, ar) => ar.indexOf(item) === i,
        );
  }
}