This Twitter "bridge" plugin allows you to integrate your StatusNet
instance with Twitter.  Installing it will allow your users to:

    - automatically post notices to their Twitter accounts
    - automatically subscribe to other Twitter users who are also using
      your StatusNet install, if possible (requires running a daemon)
    - import their Twitter friends' tweets (requires running a daemon)

Installation
------------

OAuth (http://oauth.net) is used to to access protected resources on
Twitter (as opposed to HTTP Basic Auth)*.  To use Twitter bridging you
will need to register your instance of StatusNet as an application on
Twitter (http://twitter.com/apps). During the application registration
process your application will be assigned a "consumer" key and secret,
which the plugin will use to make OAuth requests to Twitter.  You can
either pass the consumer key and secret in when you enable the plugin,
or set it using the Twitter administration panel.

When registering your application with Twitter set the type to "Browser"
and your Callback URL to:

    http://example.org/mublog/twitter/authorization

The default access type should be, "Read & Write".

To enable the plugin, add the following to your config.php:

    addPlugin(
        'TwitterBridge',
        array(
            'consumer_key'    => 'YOUR_CONSUMER_KEY',
            'consumer_secret' => 'YOUR_CONSUMER_SECRET'
        )
    );

* Note: The plugin will still push notices to Twitter for users who
  have previously setup the Twitter bridge using their Twitter name and
  password under an older versions of StatusNet, but all new Twitter
  bridge connections will use OAuth.

Deamons
-------

For friend syncing and importing notices running two additional daemon
scripts is necessary (synctwitterfriends.php and
twitterstatusfetcher.php).

In the daemons subidrectory of the plugin are three scripts:

* Twitter Friends Syncing (daemons/synctwitterfriends.php)

Users may set a flag in their settings ("Subscribe to my Twitter friends
here" under the Twitter tab) to have StatusNet attempt to locate and
subscribe to "friends" (people they "follow") on Twitter who also have
accounts on your StatusNet system, and who have previously set up a link
for automatically posting notices to Twitter.

The plugin will try to start this daemon when you run
scripts/startdaemons.sh.

* Importing statuses from Twitter (daemons/twitterstatusfetcher.php)

To allow your users to import their friends' Twitter statuses, you will
need to enable the bidirectional Twitter bridge in your config.php:

    $config['twitterimport']['enabled'] = true;

The plugin will then start the TwitterStatusFetcher daemon along with the
other daemons when you run scripts/startdaemons.sh.

Additionally, you will want to set the integration source variable,
which will keep notices posted to Twitter via StatusNet from looping
back.  The integration source should be set to the name of your
application, exactly as you specified it on the settings page for your
StatusNet application on Twitter, e.g.:

    $config['integration']['source'] = 'YourApp';

* TwitterQueueHandler (daemons/twitterqueuehandler.php)

This script sends queued notices to Twitter for user who have opted to
set up Twitter bridging.

It's not strictly necessary to run this queue handler, and sites that
haven't enabled queuing are still able to push notices to Twitter, but
for larger sites and sites that wish to improve performance, this
script allows notices to be sent "offline" via a separate process.

The plugin will start this script when you run scripts/startdaemons.sh.