<?php
/**
* @brief blogroll, a plugin for Dotclear 2
*
* @package Dotclear
* @subpackage Plugins
*
* @copyright Olivier Meunier & Association Dotclear
* @copyright GPL-2.0-only
*/
if (!defined('DC_RC_PATH')) {
return;
}
require __DIR__ . '/_widgets.php';
# Blogroll template functions
$core->tpl->addValue('Blogroll', ['tplBlogroll', 'blogroll']);
$core->tpl->addValue('BlogrollXbelLink', ['tplBlogroll', 'blogrollXbelLink']);
$core->url->register('xbel', 'xbel', '^xbel(?:/?)$', ['urlBlogroll', 'xbel']);
class tplBlogroll
{
public static function blogroll($attr)
{
$category = '<h3>%s</h3>';
$block = '<ul>%s</ul>';
$item = '<li%2$s>%1$s</li>';
if (isset($attr['category'])) {
$category = addslashes($attr['category']);
}
if (isset($attr['block'])) {
$block = addslashes($attr['block']);
}
if (isset($attr['item'])) {
$item = addslashes($attr['item']);
}
$only_cat = 'null';
if (!empty($attr['only_category'])) {
$only_cat = "'" . addslashes($attr['only_category']) . "'";
}
return
'<?php ' .
"echo tplBlogroll::getList('" . $category . "','" . $block . "','" . $item . "'," . $only_cat . '); ' .
'?>';
}
public static function blogrollXbelLink($attr)
{
$f = $GLOBALS['core']->tpl->getFilters($attr);
return '<?php echo ' . sprintf($f, '$core->blog->url.$core->url->getURLFor("xbel")') . '; ?>';
}
public static function getList($cat_title = '<h3>%s</h3>', $block = '<ul>%s</ul>', $item = '<li>%s</li>', $category = null)
{
$blogroll = new dcBlogroll($GLOBALS['core']->blog);
try {
$links = $blogroll->getLinks();
} catch (Exception $e) {
return false;
}
$res = '';
$hierarchy = $blogroll->getLinksHierarchy($links);
if ($category) {
if (!isset($hierarchy[$category])) {
return '';
}
$hierarchy = [$category => $hierarchy[$category]];
}
foreach ($hierarchy as $k => $v) {
if ($k != '') {
$res .= sprintf($cat_title, html::escapeHTML($k)) . "\n";
}
$res .= self::getLinksList($v, $block, $item);
}
return $res;
}
private static function getLinksList($links, $block = '<ul>%s</ul>', $item = '<li%2$s>%1$s</li>')
{
$list = '';
# Find current link item if any
$current = -1;
$current_size = 0;
$self_uri = http::getSelfURI();
foreach ($links as $k => $v) {
if (!preg_match('$^([a-z][a-z0-9.+-]+://)$', $v['link_href'])) {
$url = http::concatURL($self_uri, $v['link_href']);
if (strlen($url) > $current_size && preg_match('/^' . preg_quote($url, '/') . '/', $self_uri)) {
$current = $k;
$current_size = strlen($url);
}
}
}
foreach ($links as $k => $v) {
$title = $v['link_title'];
$href = $v['link_href'];
$desc = $v['link_desc'];
$lang = $v['link_lang'];
$xfn = $v['link_xfn'];
$link = '<a href="' . html::escapeHTML($href) . '"' .
((!$lang) ? '' : ' hreflang="' . html::escapeHTML($lang) . '"') .
((!$desc) ? '' : ' title="' . html::escapeHTML($desc) . '"') .
((!$xfn) ? '' : ' rel="' . html::escapeHTML($xfn) . '"') .
'>' .
html::escapeHTML($title) .
'</a>';
$current_class = $current == $k ? ' class="active"' : '';
$list .= sprintf($item, $link, $current_class) . "\n";
}
return sprintf($block, $list) . "\n";
}
# Widget function
public static function linksWidget($w)
{
global $core;
if ($w->offline) {
return;
}
if (($w->homeonly == 1 && !$core->url->isHome($core->url->type)) || ($w->homeonly == 2 && $core->url->isHome($core->url->type))) {
return;
}
$links = self::getList($w->renderSubtitle('', false), '<ul>%s</ul>', '<li%2$s>%1$s</li>', $w->category);
if (empty($links)) {
return;
}
return $w->renderDiv(
$w->content_only,
'links ' . $w->class,
'',
($w->title ? $w->renderTitle(html::escapeHTML($w->title)) : '') .
$links
);
}
}
class urlBlogroll extends dcUrlHandlers
{
public static function xbel($args)
{
$blogroll = new dcBlogroll($GLOBALS['core']->blog);
try {
$links = $blogroll->getLinks();
} catch (Exception $e) {
self::p404();
return;
}
if ($args) {
self::p404();
return;
}
http::cache($GLOBALS['mod_files'], $GLOBALS['mod_ts']);
header('Content-Type: text/xml; charset=UTF-8');
echo
'<?xml version="1.0" encoding="UTF-8"?>' . "\n" .
'<!DOCTYPE xbel PUBLIC "+//IDN python.org//DTD XML Bookmark Exchange ' .
'Language 1.0//EN//XML"' . "\n" .
'"http://www.python.org/topics/xml/dtds/xbel-1.0.dtd">' . "\n" .
'<xbel version="1.0">' . "\n" .
'<title>' . html::escapeHTML($GLOBALS['core']->blog->name) . " blogroll</title>\n";
$i = 1;
foreach ($blogroll->getLinksHierarchy($links) as $cat_title => $links) {
if ($cat_title != '') {
echo
'<folder>' . "\n" .
'<title>' . html::escapeHTML($cat_title) . "</title>\n";
}
foreach ($links as $k => $v) {
$lang = $v['link_lang'] ? ' xml:lang="' . $v['link_lang'] . '"' : '';
echo
'<bookmark href="' . $v['link_href'] . '"' . $lang . '>' . "\n" .
'<title>' . html::escapeHTML($v['link_title']) . "</title>\n";
if ($v['link_desc']) {
echo '<desc>' . html::escapeHTML($v['link_desc']) . "</desc>\n";
}
if ($v['link_xfn']) {
echo
"<info>\n" .
'<metadata owner="http://gmpg.org/xfn/">' . $v['link_xfn'] . "</metadata>\n" .
"</info>\n";
}
echo
"</bookmark>\n";
}
if ($cat_title != '') {
echo "</folder>\n";
}
$i++;
}
echo
'</xbel>';
}
}