Google's ClientLogin authentication implementation for Node.js Requires at least nodejs 0.4.1 Properties: errors: That is an object, filled with the possible error messages. accountTypes: An object, where you can set the type of account to request authorization for. properties are: google, hosted, hostedOrGoogle default is hostedOrGoogle Events: login: emitted when login was success error: emitted when an error occured. Has two parameters, the response object and the received data You can access to their names via constants: GoogleClientLogin.events.login or GoogleClientLogin.events.error or you can use 'login' and 'error' as string. Methods: login Starts the login process. It has one optional parameter, which should be an object with two properties: logincaptcha, logintoken. The logincaptcha is the user's answer to the captcha question You will receive the logintoken if the login failed and the CaptchaRequired error code arrived You must pass both the logincaptcha and logintoken if you must pass a captcha challange getAuthId Returns the value of the authId key from the response. If the login was success you will need to use this value to perform additional requests. You must put it into a the Authorization header like this: 'Authorization': 'GoogleLogin auth=' + googleAuth.getAuthId(), getSID Returns the value of SID key from the response. getLSID Returns the value of LSID key from the response. isCaptchaRequired If the login was not success and the user need to pass a captcha challenge this method will return true getCaptchaUrl Url of the captcha image getCaptchaToken You will need to pass it back to the google with the user's answer to the captcha if the login failed and captcha authentication required. getError If the login was not success, google will send back an error code what you can get with this method After the login was success, you should use the AuthId in each of your requests, see example below http://code.google.com/apis/gdata/faq.html#clientlogin list of services: Name |name in googleclientlogin module |value -----------------------------------------------------|-------------------------------------|--------------- Google Adwords APIs: |adwords: |'adwords' -----------------------------------------------------|-------------------------------------|--------------- Google Analytics Data APIs: |analytics: |'analytics' -----------------------------------------------------|-------------------------------------|--------------- Google Apps APIs (Domain Information & Management): |apps: |'apps' -----------------------------------------------------|-------------------------------------|--------------- Google Base Data API: |base: |'gbase' -----------------------------------------------------|-------------------------------------|--------------- Google Sites Data API: |sites: |'jotspot' -----------------------------------------------------|-------------------------------------|--------------- Blogger Data API: |blogger: |'blogger' -----------------------------------------------------|-------------------------------------|--------------- Book Search Data API: |book: |'print' -----------------------------------------------------|-------------------------------------|--------------- Calendar Data API: |calendar: |'cl' -----------------------------------------------------|-------------------------------------|--------------- Google Code Search Data API: |codesearch: |'codesearch' -----------------------------------------------------|-------------------------------------|--------------- Contacts Data API: |contacts: |'cp' -----------------------------------------------------|-------------------------------------|--------------- Documents List Data API: |docs: |'writely' -----------------------------------------------------|-------------------------------------|--------------- Finance Data API: |finance: |'finance' -----------------------------------------------------|-------------------------------------|--------------- Gmail Atom feed: |mail: |'mail' -----------------------------------------------------|-------------------------------------|--------------- Health Data API: |health: |'health' -----------------------------------------------------|-------------------------------------|--------------- Health Data API H9 Sandbox |weaver: |'weaver' -----------------------------------------------------|-------------------------------------|--------------- Maps Data APIs: |maps: |'local' -----------------------------------------------------|-------------------------------------|--------------- Picasa Web Albums Data API: |picasaweb: |'lh2' -----------------------------------------------------|-------------------------------------|--------------- Sidewiki Data API: |sidewiki: |'annotateweb' -----------------------------------------------------|-------------------------------------|--------------- Spreadsheets Data API: |spreadsheets: |'wise' -----------------------------------------------------|-------------------------------------|--------------- Webmaster Tools API: |webmastertools: |'sitemaps' -----------------------------------------------------|-------------------------------------|--------------- YouTube Data API: |youtube: |'youtube' -----------------------------------------------------|-------------------------------------|--------------- C2DM Push Notification Service: |c2dm: |'ac2dm' -----------------------------------------------------|-------------------------------------|--------------- Google Reader Data API (unofficial): |reader: |'reader' -----------------------------------------------------|-------------------------------------|--------------- Google Voice API (unoffical): |voice: |'grandcentral' How to use: var GoogleClientLogin = import('googleclientlogin').GoogleClientLogin; var googleAuth = new GoogleClientLogin({ email: 'yourmail@gmail.com', password: 'yourpassword', service: 'contacts', accountType: GoogleClientLogin.accountTypes.google }); googleAuth.on(GoogleClientLogin.events.login, function(){ // do things with google services require('https').request({ host: 'www.google.com', port: 443, path: path, method: 'GET', headers: { 'Authorization': 'GoogleLogin auth=' + googleAuth.getAuthId(), ... } }); }); googleAuth.on(GoogleClientLogin.events.error, function(e) { switch(e.message) { case GoogleClientLogin.errors.loginFailed: if (this.isCaptchaRequired()) { requestCaptchaFromUser(this.getCaptchaUrl(), this.getCaptchaToken()); } else { requestLoginDetailsAgain(); } break; case GoogleClientLogin.errors.tokenMissing: case GoogleClientLogin.errors.captchaMissing: throw new Error('You must pass the both captcha token and the captcha') break; } throw new Error('Unknown error'); // damn.. }); googleAuth.login();