Adding plugin rss-license

wp-content/plugins/rss-license/readme.txt

+=== RSS License ===
+Contributors: patrys
+Donate link: http://room-303.com/blog/postaw-piwo/
+Tags: feed, license
+Requires at least: 2.0.11
+Tested up to: 2.9
+Stable tag: 0.1
+
+Allows one to include the wpLicense copyright in blog feeds.
+
+== Description ==
+
+This plugin will add a copyright footer to your feeds. Each footer contains a permalink, author info and the license.
+
+Currently footers are not appended to the excerpts as it's not common to steal these.
+
+== Installation ==
+
+1. Make sure wpLicense is installed and working
+1. Upload `rss-license` to the `/wp-content/plugins/` directory
+1. Activate the plugin through the 'Plugins' menu in WordPress
+
+== Changelog ==
+
+= 0.1 =
+First version released.

wp-content/plugins/rss-license/rss-license.php

+<?php
+/*
+Plugin Name: RSS License
+Version: 0.1
+Plugin URI: http://room-303.com/blog/
+Description: Allows one to include the wpLicense copyright in blog feeds.
+Author: Patryk Zawadzki
+Author URI: http://room-303.com/blog/
+*/
+
+function append_rss_license($contents) {
+	if (!is_feed())
+		return $contents;
+
+	$license_uri = get_option('cc_content_license_uri');
+	$license_name = get_option('cc_content_license');
+	$license_attribName = get_option('cc_content_attributionName');
+	$license_attribURL = get_option('cc_content_attributionURL');
+
+	$result = '<a href="'.get_permalink().'">'.get_the_title().'</a> &copy;';
+
+	if($license_attribURL) {
+		$result .= ' <a href="'.$license_attribURL.'" rel="cc:attributionURL">';
+	}
+	if($license_attribName)
+		$result .= $license_attribName;
+	else {	
+		$result .= $license_attribURL;
+	}
+	if($license_attribURL) {
+		$result .= '</a>';
+	}
+	$result .= ', <a rel="license" href="'.$license_uri.'">'.$license_name.'</a>.';
+
+	return $contents . '<p><small>'.$result.'</small></p>';
+}
+
+add_filter('the_content', 'append_rss_license');
+//add_filter('the_excerpt_rss', 'append_rss_license');