basedir, '\.xml$', true, true);
// Iterate through all the xml files
foreach ($files as $file)
{
// Try to check the file
$this->find($file);
}
}
/**
* Reads a file and validate XML manifest
*
* @param string $file - The path to the file
*
* @return boolean True if the manifest file was found, otherwise False.
*/
protected function find($file)
{
$xml = simplexml_load_file($file);
// Failed to parse the xml file.
// Assume that this is not a extension manifest
if (!$xml)
{
return false;
}
// Check if this is an extension manifest
if ($xml->getName() !== 'extension')
{
return false;
}
// Check extension type
$type = (string) $xml['type'];
if (!in_array($type, $this->types, true))
{
$this->report->addError($file, JText::sprintf('COM_JEDCHECKER_MANIFEST_UNKNOWN_TYPE', $type));
return true;
}
// Load DTD-like data for this extension type
$json_filename = __DIR__ . '/xmlmanifest/dtd_' . $type . '.json';
if (!is_file($json_filename))
{
$this->report->addError($file, JText::sprintf('COM_JEDCHECKER_MANIFEST_TYPE_NOT_ACCEPTED', $type));
return true;
}
$data = json_decode(file_get_contents($json_filename), true);
$this->DTDNodeRules = $data['nodes'];
$this->DTDAttrRules = $data['attributes'];
$this->errors = array();
$this->warnings = array();
// Validate manifest
$this->validateXml($xml, 'extension');
if (count($this->errors))
{
$this->report->addError($file, implode('
', $this->errors));
}
if (count($this->warnings))
{
$this->report->addWarning($file, implode('
', $this->warnings));
}
// All checks passed. Return true
return true;
}
/**
* @param SimpleXMLElement $node XML node object
* @param string $name XML node name
*
* @return void
*/
protected function validateXml($node, $name)
{
// Check attributes
$DTDattributes = isset($this->DTDAttrRules[$name]) ? $this->DTDAttrRules[$name] : array();
if (isset($DTDattributes[0]) && $DTDattributes[0] !== '*')
{
foreach ($node->attributes() as $attr)
{
$attrName = (string)$attr->getName();
if (!in_array($attrName, $DTDattributes, true))
{
// The node has unknown attribute
$this->warnings[] = JText::sprintf('COM_JEDCHECKER_MANIFEST_UNKNOWN_ATTRIBUTE', $name, $attrName);
}
}
}
// Check children nodes
if (!isset($this->DTDNodeRules[$name]))
{
// No children
if ($node->count() > 0)
{
$this->warnings[] = JText::sprintf('COM_JEDCHECKER_MANIFEST_UNKNOWN_CHILDREN', $name);
}
}
elseif (!isset($this->DTDNodeRules[$name]['*']))
{
$DTDchildren = $this->DTDNodeRules[$name];
// 1) check required single elements
foreach ($DTDchildren as $child => $mode)
{
$count = $node->$child->count();
switch ($mode)
{
case '!':
$errors =& $this->errors;
break;
case '=':
$errors =& $this->warnings;
break;
default:
continue 2;
}
if ($count === 0)
{
$errors[] = JText::sprintf('COM_JEDCHECKER_MANIFEST_MISSED_REQUIRED', $name, $child);
}
elseif ($count > 1)
{
$errors[] = JText::sprintf('COM_JEDCHECKER_MANIFEST_MULTIPLE_FOUND', $name, $child);
}
unset($errors);
}
// 2) check unknown/multiple elements
// Collect unique child node names
$childNames = array();
foreach ($node as $child)
{
$childNames[$child->getName()] = 1;
}
$childNames = array_keys($childNames);
foreach ($childNames as $child)
{
if (!isset($DTDchildren[$child]))
{
$this->warnings[] = JText::sprintf('COM_JEDCHECKER_MANIFEST_UNKNOWN_CHILD', $name, $child);
}
else
{
if ($DTDchildren[$child] === '?' && $node->$child->count() > 1)
{
$this->errors[] = JText::sprintf('COM_JEDCHECKER_MANIFEST_MULTIPLE_FOUND', $name, $child);
}
}
}
}
// Extra checks (if exist)
$method = 'validateXml' . $name;
if (method_exists($this, $method))
{
$this->$method($node);
}
// Recursion
foreach ($node as $child)
{
$childName = $child->getName();
if (isset($this->DTDNodeRules[$childName]))
{
$this->validateXml($child, $childName);
}
}
}
/**
* @param SimpleXMLElement $node XML node
*
* @return void
*/
protected function validateXmlMenu($node)
{
if (isset($node['link']))
{
// The "link" attribute overrides any other link-related attributes (warn if they present)
$skipAttrs = array('act', 'controller', 'layout', 'sub', 'task', 'view');
foreach ($node->attributes() as $attr)
{
$attrName = $attr->getName();
if (in_array($attrName, $skipAttrs, true))
{
$this->warnings[] = JText::sprintf('COM_JEDCHECKER_MANIFEST_MENU_UNUSED_ATTRIBUTE', $attrName);
}
}
}
}
}