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GoogleHandler.ts
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GoogleHandler.ts
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import { get } from "@toruslabs/http-helpers";
import deepmerge from "lodash.merge";
import { LOGIN_TYPE, UX_MODE_TYPE } from "../utils/enums";
import AbstractLoginHandler from "./AbstractLoginHandler";
import { Auth0ClientOptions, LoginWindowResponse, TorusGenericObject, TorusVerifierResponse } from "./interfaces";
export default class GoogleHandler extends AbstractLoginHandler {
private readonly RESPONSE_TYPE: string = "token id_token";
private readonly SCOPE: string = "profile email openid";
private readonly PROMPT: string = "consent select_account";
constructor(
readonly clientId: string,
readonly verifier: string,
readonly redirect_uri: string,
readonly typeOfLogin: LOGIN_TYPE,
readonly uxMode: UX_MODE_TYPE,
readonly redirectToOpener?: boolean,
readonly jwtParams?: Auth0ClientOptions,
readonly customState?: TorusGenericObject
) {
super(clientId, verifier, redirect_uri, typeOfLogin, uxMode, redirectToOpener, jwtParams, customState);
this.setFinalUrl();
}
setFinalUrl(): void {
const finalUrl = new URL("https://accounts.google.com/o/oauth2/v2/auth");
const clonedParams = JSON.parse(JSON.stringify(this.jwtParams || {}));
const finalJwtParams = deepmerge(
{
state: this.state,
response_type: this.RESPONSE_TYPE,
client_id: this.clientId,
prompt: this.PROMPT,
redirect_uri: this.redirect_uri,
scope: this.SCOPE,
nonce: this.nonce,
},
clonedParams
);
Object.keys(finalJwtParams).forEach((key) => {
if (finalJwtParams[key]) finalUrl.searchParams.append(key, finalJwtParams[key]);
});
this.finalURL = finalUrl;
}
async getUserInfo(params: LoginWindowResponse): Promise<TorusVerifierResponse> {
const { accessToken } = params;
const userInfo = await get<{ picture: string; email: string; name: string }>("https://www.googleapis.com/userinfo/v2/me", {
headers: {
Authorization: `Bearer ${accessToken}`,
},
});
const { picture: profileImage = "", email = "", name = "" } = userInfo;
return {
email,
name,
profileImage,
verifier: this.verifier,
verifierId: email.toLowerCase(),
typeOfLogin: this.typeOfLogin,
};
}
}