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<?php
/*
* MODX Revolution
*
* Copyright 2006-2014 by MODX, LLC.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* Represents an element of source content managed by MODX.
*
* These elements are defined by some type of source content that when processed
* will provide output or some type of logical result based on mutable
* properties.
*
* This class creates an instance of a modElement object. This should not be
* called directly, but rather extended for derivative modElement classes.
*
* @property modMediaSource $Source The associated Media Source, if any.
*
* @package modx
* @abstract Implement a derivative of this class to represent an element which
* can be processed within the MODX framework.
* @extends modAccessibleSimpleObject
*/
class modElement extends modAccessibleSimpleObject {
/**
* The property value array for the element.
* @var array
*/
public $_properties= null;
/**
* The string representation of the element properties.
* @var string
*/
public $_propertyString= '';
/**
* The source content of the element.
* @var string
*/
public $_content= '';
/**
* The source of the element.
* @var string
*/
public $_source= null;
/**
* The output of the element.
* @var string
*/
public $_output= '';
/**
* The boolean result of the element.
*
* This is typically only applicable to elements that use PHP source content.
* @var boolean
*/
public $_result= true;
/**
* The tag signature of the element instance.
* @var string
*/
public $_tag= null;
/**
* The character token which helps identify the element class in tag string.
* @var string
*/
public $_token= '';
/**
* @var boolean If the element is cacheable or not.
*/
public $_cacheable= true;
/**
* @var boolean Indicates if the element was processed already.
*/
public $_processed= false;
/**
* @var array Optional filters that can be used during processing.
*/
public $_filters= array('input' => null, 'output' => null);
/**
* @var string Path to source file location when modElement->isStatic() === true.
*/
protected $_sourcePath= "";
/**
* @var string Source file name when modElement->isStatic() === true.
*/
protected $_sourceFile= "";
/**
* @var array A list of invalid characters in the name of an Element.
*/
protected $_invalidCharacters = array('!','@','#','$','%','^','&','*',
'(',')','+','=','[',']','{','}','\'','"',';',':','\\','/','<','>','?'
,' ',',','`','~');
/**
* Provides custom handling for retrieving the properties field of an Element.
*
* {@inheritdoc}
*/
public function get($k, $format= null, $formatTemplate= null) {
$value = parent :: get($k, $format, $formatTemplate);
if ($k === 'properties' && $this->xpdo instanceof modX && $this->xpdo->getParser() && empty($value)) {
$value = !empty($this->properties) && is_string($this->properties)
? $this->xpdo->parser->parsePropertyString($this->properties)
: null;
}
/* automatically translate lexicon descriptions */
if ($k == 'properties' && !empty($value) && is_array($value)
&& is_object($this->xpdo) && $this->xpdo instanceof modX && $this->xpdo->lexicon) {
foreach ($value as &$property) {
if (!empty($property['lexicon'])) {
if (strpos($property['lexicon'],':') !== false) {
$this->xpdo->lexicon->load('en:'.$property['lexicon']);
} else {
$this->xpdo->lexicon->load('en:core:'.$property['lexicon']);
}
$this->xpdo->lexicon->load($property['lexicon']);
}
$property['desc_trans'] = $this->xpdo->lexicon($property['desc']);
$property['area'] = !empty($property['area']) ? $property['area'] : '';
$property['area_trans'] = $this->xpdo->lexicon($property['area']);
if (!empty($property['options'])) {
foreach ($property['options'] as &$option) {
if (empty($option['text']) && !empty($option['name'])) {
$option['text'] = $option['name'];
unset($option['name']);
}
if (empty($option['value']) && !empty($option[0])) {
$option['value'] = $option[0];
unset($option[0]);
}
$option['name'] = $this->xpdo->lexicon($option['text']);
}
}
}
}
return $value;
}
/**
* Overridden to handle changes to content managed in an external file.
*
* {@inheritdoc}
*/
public function save($cacheFlag = null) {
if (!$this->getOption(xPDO::OPT_SETUP)) {
if ($this->staticSourceChanged()) {
$staticContent = $this->getFileContent();
if ($staticContent !== $this->get('content')) {
if ($this->isStaticSourceMutable() && $staticContent === '') {
$this->setDirty('content');
} else {
$this->setContent($staticContent);
}
}
unset($staticContent);
}
$staticContentChanged = $this->staticContentChanged();
if ($staticContentChanged && !$this->isStaticSourceMutable()) {
$this->setContent($this->getFileContent());
$staticContentChanged = false;
}
}
$saved = parent::save($cacheFlag);
if (!$this->getOption(xPDO::OPT_SETUP)) {
if ($saved && $staticContentChanged) {
$saved = $this->setFileContent($this->get('content'));
}
}
return $saved;
}
/**
* Constructs a valid tag representation of the element.
*
* @return string A tag representation of the element.
*/
public function getTag() {
if (empty($this->_tag)) {
$propTemp = array();
if (empty($this->_propertyString) && !empty($this->_properties)) {
while(list($key, $value) = each($this->_properties)) {
if (is_scalar($value)) {
$propTemp[] = trim($key) . '=`' . $value . '`';
}
else {
$propTemp[] = trim($key) . '=`' . md5(uniqid(rand(), true)) . '`';
}
}
if (!empty($propTemp)) {
$this->_propertyString = '?' . implode('&', $propTemp);
}
}
$tag = '[[';
$tag.= $this->getToken();
$tag.= $this->get('name');
if (!empty($this->_propertyString)) {
$tag.= $this->_propertyString;
}
$tag.= ']]';
$this->setTag($tag);
}
if (empty($this->_tag)) {
$this->xpdo->log(xPDO::LOG_LEVEL_ERROR, 'Instance of ' . get_class($this) . ' produced an empty tag!');
}
return $this->_tag;
}
/**
* Accessor method for the token class var.
*
* @return string The token for this element tag.
*/
public function getToken() {
return $this->_token;
}
/**
* Setter method for the token class var.
*
* @param string $token The token to use for this element tag.
*/
public function setToken($token) {
$this->_token = $token;
}
/**
* Setter method for the tag class var.
*
* @param string $tag The tag to use for this element.
*/
public function setTag($tag) {
$this->_tag = $tag;
}
/**
* Process the element source content to produce a result.
*
* @abstract Implement this to define behavior for a MODX content element.
* @param array|string $properties A set of configuration properties for the
* element.
* @param string $content Optional content to use in place of any persistent
* content associated with the element.
* @return mixed The result of processing.
*/
public function process($properties= null, $content= null) {
$this->xpdo->getParser();
$this->xpdo->parser->setProcessingElement(true);
$this->getProperties($properties);
$this->getTag();
if ($this->xpdo->getDebug() === true) $this->xpdo->log(xPDO::LOG_LEVEL_DEBUG, "Processing Element: " . $this->get('name') . ($this->_tag ? "\nTag: {$this->_tag}" : "\n") . "\nProperties: " . print_r($this->_properties, true));
if ($this->isCacheable() && isset ($this->xpdo->elementCache[$this->_tag])) {
$this->_output = $this->xpdo->elementCache[$this->_tag];
$this->_processed = true;
} else {
$this->filterInput();
$this->getContent(is_string($content) ? array('content' => $content) : array());
}
return $this->_result;
}
/**
* Cache the current output of this element instance by tag signature.
*/
public function cache() {
if ($this->isCacheable()) {
$this->xpdo->elementCache[$this->_tag]= $this->_output;
}
}
/**
* Get an input filter instance configured for this Element.
*
* @return modInputFilter|null An input filter instance (or null if one cannot be loaded).
*/
public function & getInputFilter() {
if (!isset ($this->_filters['input']) || !($this->_filters['input'] instanceof modInputFilter)) {
if (!$inputFilterClass= $this->get('input_filter')) {
$inputFilterClass = $this->xpdo->getOption('input_filter',null,'filters.modInputFilter');
}
if ($filterClass= $this->xpdo->loadClass($inputFilterClass, '', false, true)) {
if ($filter= new $filterClass($this->xpdo)) {
$this->_filters['input']= $filter;
}
}
}
return $this->_filters['input'];
}
/**
* Get an output filter instance configured for this Element.
*
* @return modOutputFilter|null An output filter instance (or null if one cannot be loaded).
*/
public function & getOutputFilter() {
if (!isset ($this->_filters['output']) || !($this->_filters['output'] instanceof modOutputFilter)) {
if (!$outputFilterClass= $this->get('output_filter')) {
$outputFilterClass = $this->xpdo->getOption('output_filter',null,'filters.modOutputFilter');
}
if ($filterClass= $this->xpdo->loadClass($outputFilterClass, '', false, true)) {
if ($filter= new $filterClass($this->xpdo)) {
$this->_filters['output']= $filter;
}
}
}
return $this->_filters['output'];
}
/**
* Apply an input filter to an element.
*
* This is called by default in {@link modElement::process()} after the
* element properties have been parsed.
*/
public function filterInput() {
$filter = $this->getInputFilter();
if ($filter !== null && $filter instanceof modInputFilter) {
$filter->filter($this);
}
}
/**
* Apply an output filter to an element.
*
* Call this method in your {modElement::process()} implementation when it
* is appropriate, typically once all processing has been completed, but
* before any caching takes place.
*/
public function filterOutput() {
$filter = $this->getOutputFilter();
if ($filter !== null && $filter instanceof modOutputFilter) {
$filter->filter($this);
}
}
/**
* Loads the access control policies applicable to this element.
*
* {@inheritdoc}
*/
public function findPolicy($context = '') {
$policy = array();
$enabled = true;
$context = !empty($context) ? $context : $this->xpdo->context->get('key');
if ($context === $this->xpdo->context->get('key')) {
$enabled = (boolean) $this->xpdo->getOption('access_category_enabled', null, true);
} elseif ($this->xpdo->getContext($context)) {
$enabled = (boolean) $this->xpdo->contexts[$context]->getOption('access_category_enabled', true);
}
if ($enabled) {
if (empty($this->_policies) || !isset($this->_policies[$context])) {
$accessTable = $this->xpdo->getTableName('modAccessCategory');
$policyTable = $this->xpdo->getTableName('modAccessPolicy');
$categoryClosureTable = $this->xpdo->getTableName('modCategoryClosure');
$sql = "SELECT Acl.target, Acl.principal, Acl.authority, Acl.policy, Policy.data FROM {$accessTable} Acl " .
"LEFT JOIN {$policyTable} Policy ON Policy.id = Acl.policy " .
"JOIN {$categoryClosureTable} CategoryClosure ON CategoryClosure.descendant = :category " .
"AND Acl.principal_class = 'modUserGroup' " .
"AND CategoryClosure.ancestor = Acl.target " .
"AND (Acl.context_key = :context OR Acl.context_key IS NULL OR Acl.context_key = '') " .
"ORDER BY CategoryClosure.depth DESC, target, principal, authority ASC";
$bindings = array(
':category' => $this->get('category'),
':context' => $context,
);
$query = new xPDOCriteria($this->xpdo, $sql, $bindings);
if ($query->stmt && $query->stmt->execute()) {
while ($row = $query->stmt->fetch(PDO::FETCH_ASSOC)) {
$policy['modAccessCategory'][$row['target']][] = array(
'principal' => $row['principal'],
'authority' => $row['authority'],
'policy' => $row['data'] ? $this->xpdo->fromJSON($row['data'], true) : array(),
);
}
}
$this->_policies[$context] = $policy;
} else {
$policy = $this->_policies[$context];
}
}
return $policy;
}
/**
* Gets the raw, unprocessed source content for this element.
*
* @param array $options An array of options implementations can use to
* accept language, revision identifiers, or other information to alter the
* behavior of the method.
* @return string The raw source content for the element.
*/
public function getContent(array $options = array()) {
if (!is_string($this->_content) || $this->_content === '') {
if (isset($options['content'])) {
$this->_content = $options['content'];
} elseif ($this->isStatic()) {
$this->_content = $this->getFileContent($options);
if ($this->_content !== $this->_fields['content']) {
$this->setContent($this->_content);
if (!$this->isNew()) {
$this->save();
}
}
} else {
$this->_content = $this->get('content');
}
}
return $this->_content;
}
/**
* Set the raw source content for this element.
*
* @param mixed $content The source content; implementations can decide if
* it can only be a string, or some other source from which to retrieve it.
* @param array $options An array of options implementations can use to
* accept language, revision identifiers, or other information to alter the
* behavior of the method.
* @return boolean True indicates the content was set.
*/
public function setContent($content, array $options = array()) {
return $this->set('content', $content);
}
/**
* Get the absolute path to the static source file for this instance.
*
* @param array $options An array of options.
* @return string|boolean The absolute path to the static source file or false if not static.
*/
public function getSourceFile(array $options = array()) {
if ($this->isStatic() && (empty($this->_sourceFile) || $this->getOption('recalculate_source_file', $options, $this->staticSourceChanged()))) {
$filename = $this->get('static_file');
if (!empty($filename)) {
$array = array();
if ($this->xpdo->getParser() && $this->xpdo->parser->collectElementTags($filename, $array)) {
$this->xpdo->parser->processElementTags('', $filename);
}
}
if ($this->get('source') > 0) {
/** @var modMediaSource $source */
$source = $this->getOne('Source');
if ($source && $source->get('is_stream')) {
$source->initialize();
$filename = $source->getBasePath().$filename;
}
}
if (!file_exists($filename) && $this->get('source') < 1) {
$this->getSourcePath($options);
$this->_sourceFile= $this->_sourcePath . $filename;
} else {
$this->_sourceFile= $filename;
}
}
return $this->isStatic() ? $this->_sourceFile : false;
}
/**
* Get the absolute path location the source file is located relative to.
*
* @param array $options An array of options.
* @return string The absolute path the sourceFile is relative to.
*/
public function getSourcePath(array $options = array()) {
$array = array();
$this->_sourcePath= $this->xpdo->getOption('element_static_path', $options, $this->xpdo->getOption('components_path', $options, MODX_CORE_PATH . 'components/'));
if ($this->xpdo->getParser() && $this->xpdo->parser->collectElementTags($this->_sourcePath, $array)) {
$this->xpdo->parser->processElementTags('', $this->_sourcePath);
}
return $this->_sourcePath;
}
/**
* Get the content stored in an external file for this instance.
*
* @param array $options An array of options.
* @return bool|string The content or false if the content could not be retrieved.
*/
public function getFileContent(array $options = array()) {
$content = "";
if ($this->isStatic()) {
$sourceFile = $this->getSourceFile($options);
if ($sourceFile && file_exists($sourceFile)) {
$content = file_get_contents($sourceFile);
}
}
return $content;
}
/**
* Set external file content from this instance.
*
* @param string $content The content to set.
* @param array $options An array of options.
* @return bool|int The number of bytes written to file or false on failure.
*/
public function setFileContent($content, array $options = array()) {
$set = false;
if ($this->isStatic()) {
$sourceFile = $this->getSourceFile($options);
if ($sourceFile) {
$set = $this->xpdo->cacheManager->writeFile($sourceFile, $content);
}
}
return $set;
}
/**
* Get the properties for this element instance for processing.
*
* @param array|string $properties An array or string of properties to
* apply.
* @return array A simple array of properties ready to use for processing.
*/
public function getProperties($properties = null) {
$this->xpdo->getParser();
$this->_properties= $this->xpdo->parser->parseProperties($this->get('properties'));
$set= $this->getPropertySet();
if (!empty($set)) {
$this->_properties= array_merge($this->_properties, $set);
}
if ($this->get('property_preprocess')) {
foreach ($this->_properties as $pKey => $pValue) {
if ($this->xpdo->parser->processElementTags('', $pValue, $this->xpdo->parser->isProcessingUncacheable())) {
$this->_properties[$pKey]= $pValue;
}
}
}
if (!empty($properties)) {
$this->_properties= array_merge($this->_properties, $this->xpdo->parser->parseProperties($properties));
}
return $this->_properties;
}
/**
* Gets a named property set related to this element instance.
*
* If a setName parameter is not provided, this function will attempt to
* extract a setName from the element name using the @ symbol to delimit the
* name of the property set.
*
* Here is an example of an element tag using the @ modifier to specify a
* property set name:
* [[ElementName@PropertySetName:FilterCommand=`FilterModifier`?
* &PropertyKey1=`PropertyValue1`
* &PropertyKey2=`PropertyValue2`
* ]]
*
* @access public
* @param string|null $setName An explicit property set name to search for.
* @return array|null An array of properties or null if no set is found.
*/
public function getPropertySet($setName = null) {
$propertySet= null;
$name = $this->get('name');
if (strpos($name, '@') !== false) {
$psName= '';
$split= xPDO :: escSplit('@', $name);
if ($split && isset($split[1])) {
$name= $split[0];
$psName= $split[1];
$filters= xPDO :: escSplit(':', $setName);
if ($filters && isset($filters[1]) && !empty($filters[1])) {
$psName= $filters[0];
$name.= ':' . $filters[1];
}
$this->set('name', $name);
}
if (!empty($psName)) {
$psObj= $this->xpdo->getObjectGraph('modPropertySet', '{"Elements":{}}', array(
'Elements.element' => $this->id,
'Elements.element_class' => $this->_class,
'modPropertySet.name' => $psName
));
if ($psObj) {
$propertySet= $this->xpdo->parser->parseProperties($psObj->get('properties'));
}
}
}
if (!empty($setName)) {
$propertySetObj= $this->xpdo->getObjectGraph('modPropertySet', '{"Elements":{}}', array(
'Elements.element' => $this->id,
'Elements.element_class' => $this->_class,
'modPropertySet.name' => $setName
));
if ($propertySetObj) {
if (is_array($propertySet)) {
$propertySet= array_merge($propertySet, $this->xpdo->parser->parseProperties($propertySetObj->get('properties')));
} else {
$propertySet= $this->xpdo->parser->parseProperties($propertySetObj->get('properties'));
}
}
}
return $propertySet;
}
/**
* Set default properties for this element instance.
*
* @access public
* @param array|string $properties A property array or property string.
* @param boolean $merge Indicates if properties should be merged with
* existing ones.
* @return boolean true if the properties are set.
*/
public function setProperties($properties, $merge = false) {
$set = false;
$propertiesArray = array();
if (is_string($properties)) {
$properties = $this->xpdo->parser->parsePropertyString($properties);
}
if (is_array($properties)) {
foreach ($properties as $propKey => $property) {
if (is_array($property) && isset($property[5])) {
$key = $property[0];
$propertyArray = array(
'name' => $property[0],
'desc' => $property[1],
'type' => $property[2],
'options' => $property[3],
'value' => $property[4],
'lexicon' => !empty($property[5]) ? $property[5] : null,
'area' => !empty($property[6]) ? $property[6] : '',
);
} elseif (is_array($property) && isset($property['value'])) {
$key = $property['name'];
$propertyArray = array(
'name' => $property['name'],
'desc' => isset($property['description']) ? $property['description'] : (isset($property['desc']) ? $property['desc'] : ''),
'type' => isset($property['xtype']) ? $property['xtype'] : (isset($property['type']) ? $property['type'] : 'textfield'),
'options' => isset($property['options']) ? $property['options'] : array(),
'value' => $property['value'],
'lexicon' => !empty($property['lexicon']) ? $property['lexicon'] : null,
'area' => !empty($property['area']) ? $property['area'] : '',
);
} else {
$key = $propKey;
$propertyArray = array(
'name' => $propKey,
'desc' => '',
'type' => 'textfield',
'options' => array(),
'value' => $property,
'lexicon' => null,
'area' => '',
);
}
if (!empty($propertyArray['options'])) {
foreach ($propertyArray['options'] as $optionKey => &$option) {
if (empty($option['text']) && !empty($option['name'])) $option['text'] = $option['name'];
unset($option['menu'],$option['name']);
}
}
if ($propertyArray['type'] == 'combo-boolean' && is_numeric($propertyArray['value'])) {
$propertyArray['value'] = (boolean)$propertyArray['value'];
}
$propertiesArray[$key] = $propertyArray;
}
if ($merge && !empty($propertiesArray)) {
$existing = $this->get('properties');
if (is_array($existing) && !empty($existing)) {
$propertiesArray = array_merge($existing, $propertiesArray);
}
}
$set = $this->set('properties', $propertiesArray);
}
return $set;
}
/**
* Add a property set to this element, making it available for use.
*
* @access public
* @param string|modPropertySet $propertySet A modPropertySet object or the
* name of a modPropertySet object to create a relationship with.
* @return boolean True if a relationship was created or already exists.
*/
public function addPropertySet($propertySet) {
$added= false;
if (!empty($propertySet)) {
if (is_string($propertySet)) {
$propertySet = $this->xpdo->getObject('modPropertySet', array('name' => $propertySet));
}
if (is_object($propertySet) && $propertySet instanceof modPropertySet) {
if (!$this->isNew() && !$propertySet->isNew() && $this->xpdo->getCount('modElementPropertySet', array('element' => $this->get('id'), 'element_class' => $this->_class, 'property_set' => $propertySet->get('id')))) {
$added = true;
} else {
if ($propertySet->isNew()) $propertySet->save();
/** @var modElementPropertySet $link */
$link= $this->xpdo->newObject('modElementPropertySet');
$link->set('element', $this->get('id'));
$link->set('element_class', $this->_class);
$link->set('property_set', $propertySet->get('id'));
$added = $link->save();
}
}
}
return $added;
}
/**
* Remove a property set from this element, making it unavailable for use.
*
* @access public
* @param string|modPropertySet $propertySet A modPropertySet object or the
* name of a modPropertySet object to dissociate from.
* @return boolean True if a relationship was destroyed.
*/
public function removePropertySet($propertySet) {
$removed = false;
if (!empty($propertySet)) {
if (is_string($propertySet)) {
$propertySet = $this->xpdo->getObject('modPropertySet', array('name' => $propertySet));
}
if (is_object($propertySet) && $propertySet instanceof modPropertySet) {
$removed = $this->xpdo->removeObject('modElementPropertySet', array('element' => $this->get('id'), 'element_class' => $this->_class, 'property_set' => $propertySet->get('id')));
}
}
return $removed;
}
/**
* Indicates if the element is cacheable.
*
* @access public
* @return boolean True if the element can be stored to or retrieved from
* the element cache.
*/
public function isCacheable() {
return $this->_cacheable;
}
/**
* Sets the runtime cacheability of the element.
*
* @access public
* @param boolean $cacheable Indicates the value to set for cacheability of
* this element.
*/
public function setCacheable($cacheable = true) {
$this->_cacheable = (boolean) $cacheable;
}
/**
* Get the Source for this Element
*
* @param string $contextKey
* @param boolean $fallbackToDefault
* @return modMediaSource|null
*/
public function getSource($contextKey = '',$fallbackToDefault = true) {
if (empty($contextKey)) $contextKey = $this->xpdo->context->get('key');
$source = $this->_source;
if (empty($source)) {
$c = $this->xpdo->newQuery('sources.modMediaSource');
$c->innerJoin('sources.modMediaSourceElement','SourceElement');
$c->where(array(
'SourceElement.object' => $this->get('id'),
'SourceElement.object_class' => $this->_class,
'SourceElement.context_key' => $contextKey,
));
$source = $this->xpdo->getObject('sources.modMediaSource',$c);
if (!$source && $fallbackToDefault) {
$source = modMediaSource::getDefaultSource($this->xpdo);
}
$this->setSource($source);
}
return $source;
}
/**
* Setter method for the source class var.
*
* @param string $source The source to use for this element.
*/
public function setSource($source) {
$this->_source = $source;
}
/**
* Get the stored sourceCache for a context
*
* @param string $contextKey
* @param array $options
* @return array
*/
public function getSourceCache($contextKey = '',array $options = array()) {
/** @var modCacheManager $cacheManager */
$cacheManager = $this->xpdo->getCacheManager();
if (!$cacheManager || !($cacheManager instanceof modCacheManager)) return array();
if (empty($contextKey)) $contextKey = $this->xpdo->context->get('key');
return $cacheManager->getElementMediaSourceCache($this,$contextKey,$options);
}
/**
* Indicates if the instance has content in an external file.
*
* @return boolean True if the instance has content stored in an external file.
*/
public function isStatic() {
return $this->get('static');
}
/**
* Indicates if the content has changed and the Element has a mutable static source.
*
* @return boolean
*/
public function staticContentChanged() {
return $this->isStatic() && $this->isDirty('content');
}
/**
* Indicates if the static source has changed.
*
* @return boolean
*/
public function staticSourceChanged() {
return $this->isStatic() && ($this->isDirty('static') || $this->isDirty('static_file') || $this->isDirty('source'));
}
/**
* Return if the static source is mutable.
*
* @return boolean True if the source file is mutable.
*/
public function isStaticSourceMutable() {
$isMutable = false;
$sourceFile = $this->getSourceFile();
if ($sourceFile) {
if (file_exists($sourceFile)) {
$isMutable = is_writable($sourceFile) && !is_dir($sourceFile);
} else {
$sourceDir = dirname($sourceFile);
$i = 100;
while (!empty($sourceDir)) {
if (file_exists($sourceDir) && is_dir($sourceDir)) {
$isMutable = is_writable($sourceDir);
if ($isMutable) break;
}
if ($sourceDir != '/') {
$sourceDir = dirname($sourceDir);
} else {
break;
}
$i--;
if ($i < 0) break;
}
}
}
return $isMutable;
}
/**
* Ensure the static source cannot browse the protected configuration directory
*
* @return boolean True if is a valid source path
*/
public function isStaticSourceValidPath() {
$isValid = true;
$sourceFile = $this->getSourceFile();
if ($sourceFile) {
$sourceDirectory = rtrim(dirname($sourceFile),'/');
$configDirectory = rtrim($this->xpdo->getOption('core_path',null,MODX_CORE_PATH).'config/','/');
if ($sourceDirectory == $configDirectory) {
$isValid = false;
}
}
return $isValid;
}
}