/usr/share/php/kohana3.2/system/classes/kohana/feed.php is in libkohana3.2-core-php 3.2.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 | <?php defined('SYSPATH') or die('No direct script access.');
/**
* RSS and Atom feed helper.
*
* @package Kohana
* @category Helpers
* @author Kohana Team
* @copyright (c) 2007-2012 Kohana Team
* @license http://kohanaframework.org/license
*/
class Kohana_Feed {
/**
* Parses a remote feed into an array.
*
* @param string $feed remote feed URL
* @param integer $limit item limit to fetch
* @return array
*/
public static function parse($feed, $limit = 0)
{
// Check if SimpleXML is installed
if ( ! function_exists('simplexml_load_file'))
throw new Kohana_Exception('SimpleXML must be installed!');
// Make limit an integer
$limit = (int) $limit;
// Disable error reporting while opening the feed
$error_level = error_reporting(0);
// Allow loading by filename or raw XML string
$load = (is_file($feed) OR Valid::url($feed)) ? 'simplexml_load_file' : 'simplexml_load_string';
// Load the feed
$feed = $load($feed, 'SimpleXMLElement', LIBXML_NOCDATA);
// Restore error reporting
error_reporting($error_level);
// Feed could not be loaded
if ($feed === FALSE)
return array();
$namespaces = $feed->getNamespaces(true);
// Detect the feed type. RSS 1.0/2.0 and Atom 1.0 are supported.
$feed = isset($feed->channel) ? $feed->xpath('//item') : $feed->entry;
$i = 0;
$items = array();
foreach ($feed as $item)
{
if ($limit > 0 AND $i++ === $limit)
break;
$item_fields = (array) $item;
// get namespaced tags
foreach ($namespaces as $ns)
{
$item_fields += (array) $item->children($ns);
}
$items[] = $item_fields;
}
return $items;
}
/**
* Creates a feed from the given parameters.
*
* @param array $info feed information
* @param array $items items to add to the feed
* @param string $format define which format to use (only rss2 is supported)
* @param string $encoding define which encoding to use
* @return string
*/
public static function create($info, $items, $format = 'rss2', $encoding = 'UTF-8')
{
$info += array('title' => 'Generated Feed', 'link' => '', 'generator' => 'KohanaPHP');
$feed = '<?xml version="1.0" encoding="'.$encoding.'"?><rss version="2.0"><channel></channel></rss>';
$feed = simplexml_load_string($feed);
foreach ($info as $name => $value)
{
if ($name === 'image')
{
// Create an image element
$image = $feed->channel->addChild('image');
if ( ! isset($value['link'], $value['url'], $value['title']))
{
throw new Kohana_Exception('Feed images require a link, url, and title');
}
if (strpos($value['link'], '://') === FALSE)
{
// Convert URIs to URLs
$value['link'] = URL::site($value['link'], 'http');
}
if (strpos($value['url'], '://') === FALSE)
{
// Convert URIs to URLs
$value['url'] = URL::site($value['url'], 'http');
}
// Create the image elements
$image->addChild('link', $value['link']);
$image->addChild('url', $value['url']);
$image->addChild('title', $value['title']);
}
else
{
if (($name === 'pubDate' OR $name === 'lastBuildDate') AND (is_int($value) OR ctype_digit($value)))
{
// Convert timestamps to RFC 822 formatted dates
$value = date('r', $value);
}
elseif (($name === 'link' OR $name === 'docs') AND strpos($value, '://') === FALSE)
{
// Convert URIs to URLs
$value = URL::site($value, 'http');
}
// Add the info to the channel
$feed->channel->addChild($name, $value);
}
}
foreach ($items as $item)
{
// Add the item to the channel
$row = $feed->channel->addChild('item');
foreach ($item as $name => $value)
{
if ($name === 'pubDate' AND (is_int($value) OR ctype_digit($value)))
{
// Convert timestamps to RFC 822 formatted dates
$value = date('r', $value);
}
elseif (($name === 'link' OR $name === 'guid') AND strpos($value, '://') === FALSE)
{
// Convert URIs to URLs
$value = URL::site($value, 'http');
}
// Add the info to the row
$row->addChild($name, $value);
}
}
if (function_exists('dom_import_simplexml'))
{
// Convert the feed object to a DOM object
$feed = dom_import_simplexml($feed)->ownerDocument;
// DOM generates more readable XML
$feed->formatOutput = TRUE;
// Export the document as XML
$feed = $feed->saveXML();
}
else
{
// Export the document as XML
$feed = $feed->asXML();
}
return $feed;
}
} // End Feed
|