Files
automatisch/packages/backend/src/apps/firebase/authentication.ts
2022-03-03 13:33:33 +03:00

90 lines
2.2 KiB
TypeScript

import type {
IAuthentication,
IApp,
IField,
IJSONObject,
} from '@automatisch/types';
import { google as GoogleApi } from 'googleapis';
import { OAuth2Client } from 'google-auth-library';
export default class Authentication implements IAuthentication {
appData: IApp;
connectionData: IJSONObject;
client: OAuth2Client;
scopes: string[] = [
'https://www.googleapis.com/auth/datastore',
'https://www.googleapis.com/auth/firebase',
'https://www.googleapis.com/auth/user.emails.read',
'profile',
];
constructor(appData: IApp, connectionData: IJSONObject) {
this.appData = appData;
this.connectionData = connectionData;
this.client = new GoogleApi.auth.OAuth2(
connectionData.consumerKey as string,
connectionData.consumerSecret as string,
this.oauthRedirectUrl
);
GoogleApi.options({ auth: this.client });
}
get oauthRedirectUrl() {
return this.appData.fields.find(
(field: IField) => field.key == 'oAuthRedirectUrl'
).value;
}
async createAuthData() {
const url = this.client.generateAuthUrl({
access_type: 'offline',
scope: this.scopes,
});
return { url };
}
async verifyCredentials() {
const { tokens } = await this.client.getToken(
this.connectionData.oauthVerifier as string
);
this.client.setCredentials(tokens);
const people = GoogleApi.people('v1');
const { data } = await people.people.get({
resourceName: 'people/me',
personFields: 'emailAddresses',
});
const { emailAddresses, resourceName: userId } = data;
const primaryEmailAddress = emailAddresses.find(
(emailAddress) => emailAddress.metadata.primary
);
return {
consumerKey: this.connectionData.consumerKey,
consumerSecret: this.connectionData.consumerSecret,
accessToken: tokens.access_token,
refreshToken: tokens.refresh_token,
tokenType: tokens.token_type,
expiryDate: tokens.expiry_date,
scope: tokens.scope,
screenName: primaryEmailAddress.value,
userId,
};
}
async isStillVerified() {
try {
await this.client.getTokenInfo(this.connectionData.accessToken as string);
return true;
} catch {
return false;
}
}
}