OExchange

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Provides the necessary configuration for OExchange (http://www.oexchange.org/spec/) in Elgg

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1.81.0.0 (16.65 kB)2015-Jan-01
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Enable OExchange discovery in Elgg: http://www.oexchange.org/

This plugin checks for the presence or absence of the .well-known/hosts-meta file, and provides a pre-configured one for download if necessary. Additionally it provides the target xrd configuration file with descriptions that are configurable via plugin settings.

The standard endpoint for url sharing is http://example.com/oexchange/share

When a user hits the sharing endpoint with a valid url to share they will be asked to log in if not already. Once logged in they will be forwarded to the relevant form to share their link on the site.

This behavior can be modified by plugins by registering for the 'oexchange','requires_login' plugin hook to define whether it's necessary to be logged in to handle a shared url (default is true)

Registering for the 'oexchange','share' plugin hook can allow a plugin to define where the user should end up to actually share the link on the site. The plugin should return array('status' => true, 'url' => target_url). It's a good idea for plugin hooks to check the return status to ensure another plugin hook has not already handled the request. Plugin hooks receive all standard oexchange get parameters as $params, however only url is required and enforced by this plugin.

A demonstration hook is provided showing how to integrate this for link sharing using the core bookmarks plugin

// use 501 so other plugins can be lazy and not unregister it if they want something different elgg_register_plugin_hook_handler('oexchange', 'share', 'oexchange_share', 501);

 

function oexchange_share($h, $t, $r, $p) {

    if ($r['status']) {

         return $r; // the sharing has already been handled

    }

    if (!elgg_is_logged_in()) {

        return $r; // some other plugin may have changed the requirement

    }

    // we want to share it in bookmarks

    $url = elgg_http_add_url_query_elements(elgg_get_site_url() . 'bookmarks/add/' . elgg_get_logged_in_user_guid(), array('address' => $p['url']));

    $r['status'] = true;

    $r['forward'] = $url;

    return $r;

}

Arck Interactive

You imagine. We create. We develop custom social networks, content management systems and other rich internet applications. We help entrepreneurs and creative agencies breathe life into their visions. Let's start a conversation!

Project Info

Stats

  • Category: Third Party integrations
  • License: GNU General Public License (GPL) version 2
  • Updated: 2015-1-1
  • Downloads: 322
  • Recommendations: 1

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