~libravatar/libravatar/master

// Libravatar Images

// version 0.1

// 2011-01-22

// Copyright (c) 2011, Francois Marier <fmarier@gmail.com>

// Released under the GNU GPL version 3 or later

// http://www.gnu.org/copyleft/gpl.html

//

// --------------------------------------------------------------------

// This is a Greasemonkey user script.  To install it, you need

// Greasemonkey 0.8 or later: http://greasemonkey.mozdev.org/

// Then restart Firefox and revisit this script.

// Under Tools, there will be a new menu item to "Install User Script".

// Accept the default configuration and install.

//

// To uninstall, go to Tools/Manage User Scripts,

// select "Libravatar Images", and click Uninstall.

// --------------------------------------------------------------------

//

// ==UserScript==

// @name          Libravatar Images

// @namespace     http://www.libravatar.org

// @description   Replace gravatar.com images with libravatar.org ones

// @include       *

// ==/UserScript==

(function() {

     images = document.evaluate('//img[contains(@src, "")]', document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);

     for (var i=0; i < images.snapshotLength; i++) {

	 var image = images.snapshotItem(i);

	 var src = image.src;

	 if (!src) {

             continue;

         }

	 if (src.indexOf("http://www.gravatar.com/avatar/") != -1) {

             image.src = src.replace("http://www.gravatar.com/avatar/", "http://cdn.libravatar.org/avatar/");

         }

	 else if (src.indexOf("https://secure.gravatar.com/avatar/") != -1) {

             image.src = src.replace("https://secure.gravatar.com/avatar/", "https://seccdn.libravatar.org/avatar/");

         }

	 else if (src.indexOf("http://www.gravatar.com/avatar.php?gravatar_id=") != -1) {

             image.src = src.replace(new RegExp("^http://www\\.gravatar\\.com/avatar\\.php\\?gravatar_id=([a-f0-9A-F]+)&?"), "http://cdn.libravatar.org/avatar/$1?");

         }

     }

})();

// DEBUG: make sure the page has no errors

//alert('done');