import { google } from 'googleapis';
import { OAuth2Client } from 'google-auth-library';
import config from '../utils/config.js';
import { TokenData } from '../auth/tokens.js';
/**
* OAuth2 client management for Google Photos API
*/
/**
* Creates a new OAuth2 client using the configured credentials.
*
* @returns A new OAuth2Client instance.
*/
export function createOAuthClient(): OAuth2Client {
return new google.auth.OAuth2(
config.google.clientId,
config.google.clientSecret,
config.google.redirectUri,
);
}
/**
* Sets up an OAuth2 client with the provided tokens.
*
* @param tokens - The tokens to use for authentication.
* @returns An authenticated OAuth2Client instance.
*/
export function setupOAuthClient(tokens: TokenData): OAuth2Client {
const oauth2Client = createOAuthClient();
oauth2Client.setCredentials({
access_token: tokens.access_token,
refresh_token: tokens.refresh_token,
expiry_date: tokens.expiry_date,
});
return oauth2Client;
}
/**
* Gets the authorized headers for a Google Photos API request.
*
* @param auth - The authenticated OAuth2 client.
* @returns A Promise resolving to the headers object.
* @throws Error if authorization fails.
*/
export async function getAuthorizedHeaders(auth: OAuth2Client): Promise<Record<string, string>> {
try {
return await auth.getRequestHeaders();
} catch (error) {
const message = error instanceof Error ? error.message : String(error);
throw new Error(`Authorization failed: ${message}`);
}
}
