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diff --git a/apps/files_external/3rdparty/php-opencloud/lib/OpenCloud/Common/Metadata.php b/apps/files_external/3rdparty/php-opencloud/lib/OpenCloud/Common/Metadata.php
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index 00000000000..be6903e897e
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+++ b/apps/files_external/3rdparty/php-opencloud/lib/OpenCloud/Common/Metadata.php
@@ -0,0 +1,92 @@
+<?php
+/**
+ * A metadata object, used by other components in Compute and Object Storage
+ *
+ * @copyright 2012-2013 Rackspace Hosting, Inc.
+ * See COPYING for licensing information
+ *
+ * @package phpOpenCloud
+ * @version 1.0
+ * @author Glen Campbell <glen.campbell@rackspace.com>
+ */
+
+namespace OpenCloud\Common;
+
+/**
+ * The Metadata class represents either Server or Image metadata
+ *
+ * @api
+ * @author Glen Campbell <glen.campbell@rackspace.com>
+ */
+class Metadata extends Base 
+{
+
+    // array holding the names of keys that were set
+    private $_keylist = array();    
+
+    /**
+     * This setter overrides the base one, since the metadata key can be
+     * anything
+     *
+     * @param string $key
+     * @param string $value
+     * @return void
+     */
+    public function __set($key, $value) 
+    {
+        // set the value and track the keys
+        if (!in_array($key, $this->_keylist)) {
+            $this->_keylist[] = $key;
+        }
+
+        $this->$key = $value;
+    }
+
+    /**
+     * Returns the list of keys defined
+     *
+     * @return array
+     */
+    public function Keylist() 
+    {
+        return $this->_keylist;
+    }
+
+    /**
+     * Sets metadata values from an array, with optional prefix
+     *
+     * If $prefix is provided, then only array keys that match the prefix
+     * are set as metadata values, and $prefix is stripped from the key name.
+     *
+     * @param array $values an array of key/value pairs to set
+     * @param string $prefix if provided, a prefix that is used to identify
+     *      metadata values. For example, you can set values from headers
+     *      for a Container by using $prefix='X-Container-Meta-'.
+     * @return void
+     */
+    public function setArray($values, $prefix = null) 
+    {
+        if (empty($values)) {
+            return false;
+        }
+        
+        foreach ($values as $key => $value) {
+            if ($prefix) {
+                if (strpos($key, $prefix) === 0) {
+                    $name = substr($key, strlen($prefix));
+                    $this->getLogger()->info(
+                        Lang::translate('Setting [{name}] to [{value}]'), 
+                    	array(
+                            'name'  => $name, 
+                            'value' => $value
+                        )
+                    );
+                    $this->$name = $value;
+                }
+            } else {
+                $this->$key = $value;
+            }
+        }
+    }
+
+}