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-rw-r--r--lib/action.php38
-rw-r--r--lib/feed.php110
-rw-r--r--lib/feedlist.php101
-rw-r--r--lib/util.php13
4 files changed, 167 insertions, 95 deletions
diff --git a/lib/action.php b/lib/action.php
index ce92addf5..bd38bf79c 100644
--- a/lib/action.php
+++ b/lib/action.php
@@ -225,9 +225,19 @@ class Action extends HTMLOutputter // lawsuit
*
* @return nothing
*/
+
function showFeeds()
{
- // does nothing by default
+ $feeds = $this->getFeeds();
+
+ if ($feeds) {
+ foreach ($feeds as $feed) {
+ $this->element('link', array('rel' => $feed->rel(),
+ 'href' => $feed->url,
+ 'type' => $feed->mimeType(),
+ 'title' => $feed->title));
+ }
+ }
}
/**
@@ -540,15 +550,16 @@ class Action extends HTMLOutputter // lawsuit
/**
* Show export data feeds.
*
- * MAY overload if there are feeds
- *
- * @return nothing
+ * @return void
*/
+
function showExportData()
{
- // is there structure to this?
- // list of (visible!) feed links
- // can we reuse list of feeds from showFeeds() ?
+ $feeds = $this->getFeeds();
+ if ($feeds) {
+ $fl = new FeedList($this);
+ $fl->show($feeds);
+ }
}
/**
@@ -924,4 +935,17 @@ class Action extends HTMLOutputter // lawsuit
$this->elementEnd('div');
}
}
+
+ /**
+ * An array of feeds for this action.
+ *
+ * Returns an array of potential feeds for this action.
+ *
+ * @return array Feed object to show in head and links
+ */
+
+ function getFeeds()
+ {
+ return null;
+ }
}
diff --git a/lib/feed.php b/lib/feed.php
new file mode 100644
index 000000000..466926844
--- /dev/null
+++ b/lib/feed.php
@@ -0,0 +1,110 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Data structure for info about syndication feeds (RSS 1.0, RSS 2.0, Atom)
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category Feed
+ * @package Laconica
+ * @author Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2009 Control Yourself, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+ exit(1);
+}
+
+/**
+ * Data structure for feeds
+ *
+ * This structure is a helpful container for shipping around information about syndication feeds.
+ *
+ * @category Feed
+ * @package Laconica
+ * @author Evan Prodromou <evan@controlyourself.ca>
+ * @author Sarven Capadisli <csarven@controlyourself.ca>
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://laconi.ca/
+ */
+
+class Feed
+{
+ const RSS1 = 1;
+ const RSS2 = 2;
+ const ATOM = 3;
+ const FOAF = 4;
+
+ var $type = null;
+ var $url = null;
+ var $title = null;
+
+ function __construct($type, $url, $title)
+ {
+ $this->type = $type;
+ $this->url = $url;
+ $this->title = $title;
+ }
+
+ function mimeType()
+ {
+ switch ($this->type) {
+ case Feed::RSS1:
+ return 'application/rdf+xml';
+ case Feed::RSS2:
+ return 'application/rss+xml';
+ case Feed::ATOM:
+ return 'application/atom+xml';
+ case Feed::FOAF:
+ return 'application/rdf+xml';
+ default:
+ return null;
+ }
+ }
+
+ function typeName()
+ {
+ switch ($this->type) {
+ case Feed::RSS1:
+ return _('RSS 1.0');
+ case Feed::RSS2:
+ return _('RSS 2.0');
+ case Feed::ATOM:
+ return _('Atom');
+ case Feed::FOAF:
+ return _('FOAF');
+ default:
+ return null;
+ }
+ }
+
+ function rel()
+ {
+ switch ($this->type) {
+ case Feed::RSS1:
+ case Feed::RSS2:
+ case Feed::ATOM:
+ return 'alternate';
+ case Feed::FOAF:
+ return 'meta';
+ default:
+ return null;
+ }
+ }
+}
diff --git a/lib/feedlist.php b/lib/feedlist.php
index 8bfcb9c5a..927e43c33 100644
--- a/lib/feedlist.php
+++ b/lib/feedlist.php
@@ -50,7 +50,7 @@ if (!defined('LACONICA')) {
class FeedList extends Widget
{
var $action = null;
-
+
function __construct($action=null)
{
parent::__construct($action);
@@ -64,8 +64,8 @@ class FeedList extends Widget
$this->out->element('h2', null, _('Export data'));
$this->out->elementStart('ul', array('class' => 'xoxo'));
- foreach ($feeds as $key => $value) {
- $this->feedItem($feeds[$key]);
+ foreach ($feeds as $feed) {
+ $this->feedItem($feed);
}
$this->out->elementEnd('ul');
@@ -74,92 +74,27 @@ class FeedList extends Widget
function feedItem($feed)
{
- $nickname = $this->action->trimmed('nickname');
-
- switch($feed['item']) {
- case 'notices': default:
- $feed_classname = $feed['type'];
- $feed_mimetype = "application/".$feed['type']."+xml";
- $feed_title = "$nickname's ".$feed['version']." notice feed";
- $feed['textContent'] = "RSS";
- break;
-
- case 'allrss':
- $feed_classname = $feed['type'];
- $feed_mimetype = "application/".$feed['type']."+xml";
- $feed_title = $feed['version']." feed for $nickname and friends";
- $feed['textContent'] = "RSS";
- break;
-
- case 'repliesrss':
- $feed_classname = $feed['type'];
- $feed_mimetype = "application/".$feed['type']."+xml";
- $feed_title = $feed['version']." feed for replies to $nickname";
- $feed['textContent'] = "RSS";
- break;
-
- case 'publicrss':
- $feed_classname = $feed['type'];
- $feed_mimetype = "application/".$feed['type']."+xml";
- $feed_title = "Public timeline ".$feed['version']." feed";
- $feed['textContent'] = "RSS";
- break;
-
- case 'publicatom':
- $feed_classname = "atom";
- $feed_mimetype = "application/".$feed['type']."+xml";
- $feed_title = "Public timeline ".$feed['version']." feed";
- $feed['textContent'] = "Atom";
- break;
-
- case 'noticesearchrss':
- $feed_classname = $feed['type'];
- $feed_mimetype = "application/".$feed['type']."+xml";
- $feed_title = $feed['version']." feed for this notice search";
- $feed['textContent'] = "RSS";
- break;
-
- case 'tagrss':
- $feed_classname = $feed['type'];
- $feed_mimetype = "application/".$feed['type']."+xml";
- $feed_title = $feed['version']." feed for this tag";
- $feed['textContent'] = "RSS";
- break;
+ $classname = null;
- case 'favoritedrss':
- $feed_classname = $feed['type'];
- $feed_mimetype = "application/".$feed['type']."+xml";
- $feed_title = "Favorited ".$feed['version']." feed";
- $feed['textContent'] = "RSS";
+ switch ($feed->type) {
+ case Feed::RSS1:
+ case Feed::RSS2:
+ $classname = 'rss';
break;
-
- case 'foaf':
- $feed_classname = "foaf";
- $feed_mimetype = "application/".$feed['type']."+xml";
- $feed_title = "$nickname's FOAF file";
- $feed['textContent'] = "FOAF";
+ case Feed::ATOM:
+ $classname = 'atom';
break;
-
- case 'favoritesrss':
- $feed_classname = "favorites";
- $feed_mimetype = "application/".$feed['type']."+xml";
- $feed_title = "Feed for favorites of $nickname";
- $feed['textContent'] = "RSS";
- break;
-
- case 'usertimeline':
- $feed_classname = "atom";
- $feed_mimetype = "application/".$feed['type']."+xml";
- $feed_title = "$nickname's ".$feed['version']." notice feed";
- $feed['textContent'] = "Atom";
+ case Feed::FOAF:
+ $classname = 'foaf';
break;
}
+
$this->out->elementStart('li');
- $this->out->element('a', array('href' => $feed['href'],
- 'class' => $feed_classname,
- 'type' => $feed_mimetype,
- 'title' => $feed_title),
- $feed['textContent']);
+ $this->out->element('a', array('href' => $feed->url,
+ 'class' => $classname,
+ 'type' => $feed->mimeType(),
+ 'title' => $feed->title),
+ $feed->typeName());
$this->out->elementEnd('li');
}
}
diff --git a/lib/util.php b/lib/util.php
index 9b38b5596..c0c980111 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -412,14 +412,14 @@ function common_replace_urls_callback($text, $callback) {
// Then clean up what the regex left behind
$offset = 0;
- foreach($matches[0] as $url) {
- $url = htmlspecialchars_decode($url);
+ foreach($matches[0] as $orig_url) {
+ $url = htmlspecialchars_decode($orig_url);
// Make sure we didn't pick up an email address
if (preg_match('#^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$#i', $url)) continue;
- // Remove trailing punctuation
- $url = rtrim($url, '.?!,;:\'"`');
+ // Remove surrounding punctuation
+ $url = trim($url, '.?!,;:\'"`([<');
// Remove surrounding parens and the like
preg_match('/[)\]>]+$/', $url, $trailing);
@@ -446,7 +446,7 @@ function common_replace_urls_callback($text, $callback) {
// If the first part wasn't cap'd but the last part was, we captured too much
if ((!$prev_part && $last_part)) {
- $url = substr_replace($url, '', mb_strpos($url, '.'.$url_parts[2], 0));
+ $url = mb_substr($url, 0 , mb_strpos($url, '.'.$url_parts['2'], 0));
}
// Capture the new TLD
@@ -456,6 +456,9 @@ function common_replace_urls_callback($text, $callback) {
if (!in_array($url_parts[2], $tlds)) continue;
+ // Put the url back the way we found it.
+ $url = (mb_strpos($orig_url, htmlspecialchars($url)) === FALSE) ? $url:htmlspecialchars($url);
+
// Call user specified func
$modified_url = $callback($url);