MDL-34222 import simplepie 1.3.1

blocks/rss_client/block_rss_client.php

@@ -231,10 +231,15 @@ function get_item_html($item){
         if(empty($link)){
             $link = $item->get_id();
         } else {
-            //URLs in our RSS cache will be escaped (correctly as theyre store in XML)
-            //html_writer::link() will re-escape them. To prevent double escaping unescape here.
-            //This can by done using htmlspecialchars_decode() but moodle_url also has that effect
-            $link = new moodle_url($link);
+            try {
+                // URLs in our RSS cache will be escaped (correctly as theyre store in XML)
+                // html_writer::link() will re-escape them. To prevent double escaping unescape here.
+                // This can by done using htmlspecialchars_decode() but moodle_url also has that effect.
+                $link = new moodle_url($link);
+            } catch (moodle_exception $e) {
+                // Catching the exception to prevent the whole site to crash in case of malformed RSS feed
+                $link = '';
+            }
         }
 
         $r = html_writer::start_tag('li');

blog/external_blog_edit_form.php

@@ -75,13 +75,14 @@ public function validation($data, $files) {
 
         require_once($CFG->libdir . '/simplepie/moodle_simplepie.php');
 
-        $rssfile = new moodle_simplepie_file($data['url']);
-        $filetest = new SimplePie_Locator($rssfile);
+        $rss = new moodle_simplepie();
+        $rssfile = $rss->registry->create('File', array($data['url']));
+        $filetest = $rss->registry->create('Locator', array($rssfile));
 
         if (!$filetest->is_feed($rssfile)) {
             $errors['url'] = get_string('feedisinvalid', 'blog');
         } else {
-            $rss = new moodle_simplepie($data['url']);
+            $rss->set_feed_url($data['url']);
             if (!$rss->init()) {
                 $errors['url'] = get_string('emptyrssfeed', 'blog');
             }

blog/lib.php

@@ -147,8 +147,9 @@ function blog_sync_external_entries($externalblog) {
     global $CFG, $DB;
     require_once($CFG->libdir . '/simplepie/moodle_simplepie.php');
 
-    $rssfile = new moodle_simplepie_file($externalblog->url);
-    $filetest = new SimplePie_Locator($rssfile);
+    $rss = new moodle_simplepie();
+    $rssfile = $rss->registry->create('File', array($externalblog->url));
+    $filetest = $rss->registry->create('Locator', array($rssfile));
 
     if (!$filetest->is_feed($rssfile)) {
         $externalblog->failedlastsync = 1;
@@ -159,7 +160,8 @@ function blog_sync_external_entries($externalblog) {
         $DB->update_record('blog_external', $externalblog);
     }
 
-    $rss = new moodle_simplepie($externalblog->url);
+    $rss->set_feed_url($externalblog->url);
+    $rss->init();
 
     if (empty($rss->data)) {
         return null;

lib/simplepie/autoloader.php

@@ -0,0 +1,86 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2009, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+
+// autoloader
+spl_autoload_register(array(new SimplePie_Autoloader(), 'autoload'));
+
+if (!class_exists('SimplePie'))
+{
+	trigger_error('Autoloader not registered properly', E_USER_ERROR);
+}
+
+/**
+ * Autoloader class
+ *
+ * @package SimplePie
+ * @subpackage API
+ */
+class SimplePie_Autoloader
+{
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		$this->path = dirname(__FILE__) . DIRECTORY_SEPARATOR . 'library';
+	}
+
+	/**
+	 * Autoloader
+	 *
+	 * @param string $class The name of the class to attempt to load.
+	 */
+	public function autoload($class)
+	{
+		// Only load the class if it starts with "SimplePie"
+		if (strpos($class, 'SimplePie') !== 0)
+		{
+			return;
+		}
+
+		$filename = $this->path . DIRECTORY_SEPARATOR . str_replace('_', DIRECTORY_SEPARATOR, $class) . '.php';
+		include $filename;
+	}
+}