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Generate xoauth string from oauth 1.0 token for Gmail IMAP login.
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README.md Add description of 2-legged auth Mar 7, 2013
index.js Merge changes from github.com/cioc/gmail-xoauth Nov 5, 2012
package.json up version Nov 5, 2012

README.md

gmail-xoauth

This module generates xoauth string from oauth 1.0 token for Gmail IMAP login. The logic is taken from http://code.google.com/p/google-mail-xoauth-tools/source/browse/trunk/python/xoauth.py.

Installation

$ npm install gmail-xoauth

Example

    var ImapConnection = require('imap').ImapConnection,
        XOauth = require('gmail-xoauth');

    xoauth = new XOauth(<consumer key>, <consumer secret>);

    var imapConfig = {
      username: <email address>,
      xoauth: xoauth.generateIMAPXOauthString(<email address>, <oauth token>, <oauth token secret>),
      host: 'imap.gmail.com',
      port: '993',
      secure: true
    }

    var imap = new ImapConnection(this.imapConfig);

Example of 2-legged Auth

This scenario covers the case of a pre-existing key/secret that allows access to an entire Gmail domain. E.g. when a domain admin has given access to a 3rd party. That 3rd party will have a key/secret pair and can request auth using it as follows. This is called "two legged auth" in some documentation. Note the 4th argment to generateIMAPXOauthString. This is the xoauth_requestor_id. This is typically set to the same as the email address. Not sure why its required, but Gmail won't accept 2-legged auth without it. The individual's oauth token and secret are not required, so they are set to "".

    var imap = require('../node-imap/lib/imap'),
        XOauth = require('gmail-xoauth');

    // these are VERY secret keys. Set them in your environment to avoid checking them in
    //    export consumerKey="some_string"; export consumerSecret="some_string"

    var xoauth = new XOauth(process.env.consumerKey, process.env.consumerSecret);

    var ImapConnection = imap.ImapConnection;

    var imap = new ImapConnection({
        host: 'imap.gmail.com',
        port: 993,
        secure: true,
        xoauth: xoauth.generateIMAPXOauthString("test@example.com", "", "", "test@example.com")
    }
  });
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