3 +--------------------------------------------------------------------+
5 +--------------------------------------------------------------------+
6 | Copyright CiviCRM LLC (c) 2004-2019 |
7 +--------------------------------------------------------------------+
8 | This file is a part of CiviCRM. |
10 | CiviCRM is free software; you can copy, modify, and distribute it |
11 | under the terms of the GNU Affero General Public License |
12 | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. |
14 | CiviCRM is distributed in the hope that it will be useful, but |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
17 | See the GNU Affero General Public License for more details. |
19 | You should have received a copy of the GNU Affero General Public |
20 | License and the CiviCRM Licensing Exception along |
21 | with this program; if not, contact CiviCRM LLC |
22 | at info[AT]civicrm[DOT]org. If you have questions about the |
23 | GNU Affero General Public License or the licensing of CiviCRM, |
24 | see the CiviCRM license FAQ at http://civicrm.org/licensing |
25 +--------------------------------------------------------------------+
31 * @copyright CiviCRM LLC (c) 2004-2019
37 * Main page for blog dashlet
39 class CRM_Dashlet_Page_Blog
extends CRM_Core_Page
{
41 const CHECK_TIMEOUT
= 5;
43 const NEWS_URL
= 'https://civicrm.org/news-feed.rss';
46 * Gets url for blog feed.
50 public function getNewsUrl() {
51 // Note: We use "*default*" as the default (rather than self::NEWS_URL) so that future
52 // developers can change NEWS_URL without needing to update {civicrm_setting}.
53 $url = Civi
::settings()->get('blogUrl');
54 if ($url === '*default*') {
55 $url = self
::NEWS_URL
;
57 return CRM_Utils_System
::evalUrl($url);
61 * Output data to template.
63 public function run() {
64 $this->assign('feeds', $this->getData());
69 * Load feeds from cache.
71 * Refresh cache if expired.
75 protected function getData() {
76 $value = Civi
::cache('community_messages')->get('dashboard_newsfeed');
79 $value = $this->getFeeds();
82 Civi
::cache('community_messages')->set('dashboard_newsfeed', $value, (60 * 60 * 24 * self
::CACHE_DAYS
));
94 protected function getFeeds() {
95 $newsFeed = $this->getFeed($this->getNewsUrl());
96 // If unable to fetch the feed, return empty results.
100 $feeds = $this->formatItems($newsFeed);
105 * Parse a single rss feed.
110 * array of blog items; or NULL if not available
112 protected function getFeed($url) {
113 $httpClient = new CRM_Utils_HttpClient(self
::CHECK_TIMEOUT
);
114 list ($status, $rawFeed) = $httpClient->get($url);
115 if ($status !== CRM_Utils_HttpClient
::STATUS_OK
) {
118 return @simplexml_load_string
($rawFeed);
122 * @param string $feed
125 protected function formatItems($feed) {
127 if ($feed && !empty($feed->channel
)) {
128 foreach ($feed->channel
as $channel) {
130 'title' => (string) $channel->title
,
131 'description' => (string) $channel->description
,
132 'name' => strtolower(CRM_Utils_String
::munge($channel->title
, '-')),
135 foreach ($channel->item
as $item) {
136 $item = (array) $item;
137 $item['title'] = strip_tags($item['title']);
138 // Clean up description - remove tags & styles that would break dashboard layout
139 $description = preg_replace('#<h[1-3][^>]*>(.+?)</h[1-3][^>]*>#s', '<h4>$1</h4>', $item['description']);
140 $description = strip_tags($description, "<a><p><h4><h5><h6><b><i><em><strong><ol><ul><li><dd><dt><code><pre><br><hr>");
141 $description = preg_replace('/(<[^>]+) style=["\'].*?["\']/i', '$1', $description);
142 // Add paragraph markup if it's missing.
143 if (strpos($description, '<p') === FALSE) {
144 $description = '<p>' . $description . '</p>';
146 $item['description'] = $description;
147 $content['items'][] = $item;
149 if ($content['items']) {
150 $result[] = $content;