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<?php
/**
* @package modx
* @subpackage sources
*/
/**
* The interface used for defining common methods for Media Source drivers
* @package modx
*/
interface modMediaSourceInterface
/**
* Initialize the source, preparing it for usage.
*
* @return boolean
*/{
public function initialize();
/**
* Return an array of containers at this current level in the container structure. Used for the tree
* navigation on the files tree.
*
* @abstract
* @param string $path
* @return array
*/
public function getContainerList($path);
/**
* Return a detailed list of objects in a specific path. Used for thumbnails in the Browser.
*
* @param string $path
* @return array
*/
public function getObjectsInContainer($path);
/**
* Create a container at the passed location with the passed name
*
* @abstract
* @param string $name
* @param string $parentContainer
* @return boolean
*/
public function createContainer($name,$parentContainer);
/**
* Remove the specified container
*
* @abstract
* @param string $path
* @return boolean
*/
public function removeContainer($path);
/**
* Rename a container
*
* @abstract
* @param string $oldPath
* @param string $newName
* @return boolean
*/
public function renameContainer($oldPath,$newName);
/**
* Upload objects to a specific container
*
* @abstract
* @param string $container
* @param array $objects
* @return boolean
*/
public function uploadObjectsToContainer($container,array $objects = array());
/**
* Get the contents of an object
*
* @abstract
* @param string $objectPath
* @return boolean
*/
public function getObjectContents($objectPath);
/**
* Update the contents of a specific object
*
* @abstract
* @param string $objectPath
* @param string $content
* @return boolean
*/
public function updateObject($objectPath,$content);
/**
* Create an object from a path
*
* @param string $objectPath
* @param string $name
* @param string $content
* @return boolean|string
*/
public function createObject($objectPath,$name,$content);
/**
* Remove an object
*
* @abstract
* @param string $objectPath
* @return boolean
*/
public function removeObject($objectPath);
/**
* Rename a file/object
*
* @abstract
* @param string $oldPath
* @param string $newName
* @return bool
*/
public function renameObject($oldPath,$newName);
/**
* Get the openTo path for this source, used with TV input types and Static Elements/Resources
*
* @param string $value
* @param array $parameters
* @return string
*/
public function getOpenTo($value,array $parameters = array());
/**
* Get the base path for this source. Only applicable to sources that are streams, used for determining
* the base path with Static objects.
*
* @param string $object An optional file to find the base path with
* @return string
*/
public function getBasePath($object = '');
/**
* Get the base URL for this source. Only applicable to sources that are streams; used for determining the base
* URL with Static objects and downloading objects.
*
* @abstract
* @param string $object
* @return void
*/
public function getBaseUrl($object = '');
/**
* Get the URL for an object in this source. Only applicable to sources that are streams; used for determining
* the base URL with Static objects and downloading objects.
*
* @abstract
* @param string $object
* @return void
*/
public function getObjectUrl($object = '');
/**
* Move a file or folder to a specific location
*
* @param string $from The location to move from
* @param string $to The location to move to
* @param string $point The type of move; append, above, below
* @return boolean
*/
public function moveObject($from,$to,$point = 'append');
/**
* Get the name of this source type, ie, "File System"
* @return string
*/
public function getTypeName();
/**
* Get a short description of this source type
* @return string
*/
public function getTypeDescription();
/**
* Get the default properties for this source. Override this in your custom source driver to provide custom
* properties for your source type.
* @return array
*/
public function getDefaultProperties();
}
/**
* An abstract base class used for determining functionality of different media source drivers. Extend this class in
* and implement modMediaSourceInterface in your driver implementations to provide custom functionality for different
* types of media sources.
*
* Of course, in your getContainerList method, you can define the context menu items for the tree, so not all of these
* methods might need to be implemented, depending on your situation. You can also provide custom actions for your
* source type, depending on the behavior you might need.
*
* @package modx
* @subpackage sources
*/
class modMediaSource extends modAccessibleSimpleObject implements modMediaSourceInterface {
/** @var modX|xPDO $xpdo */
public $xpdo;
/** @var modContext $ctx */
public $ctx;
/** @var array $properties */
public $properties = array();
/** @var array $permissions */
public $permissions = array();
/** @var array $errors */
public $errors = array();
/**
* Get the default MODX filesystem source
* @static
* @param xPDO|modX $xpdo A reference to an xPDO instance
* @param int $defaultSourceId
* @param boolean $fallbackToDefault
* @return modMediaSource|null
*/
public static function getDefaultSource(xPDO &$xpdo,$defaultSourceId = null,$fallbackToDefault = true) {
if (empty($defaultSourceId)) {
$defaultSourceId = $xpdo->getOption('default_media_source',null,1);
}
/** @var modMediaSource $defaultSource */
$defaultSource = $xpdo->getObject('sources.modMediaSource',array(
'id' => $defaultSourceId,
));
if (empty($defaultSource) && $fallbackToDefault) {
$c = $xpdo->newQuery('sources.modMediaSource');
$c->sortby('id','ASC');
$defaultSource = $xpdo->getObject('sources.modMediaSource',$c);
}
return $defaultSource;
}
/**
* Get the current working context for the processor
* @return bool|modContext
*/
public function getWorkingContext() {
$wctx = isset($this->properties['wctx']) && !empty($this->properties['wctx']) ? $this->properties['wctx'] : '';
if (!empty($wctx)) {
$workingContext = $this->xpdo->getContext($wctx);
if (!$workingContext) {
return false;
}
} else {
$workingContext =& $this->xpdo->context;
}
$this->ctx =& $workingContext;
return $this->ctx;
}
/**
* Initialize the source
* @return boolean
*/
public function initialize() {
$this->setProperties($this->getProperties(true));
$this->getPermissions();
return true;
}
/**
* Setup the request properties for the source, determining any request-specific actions
* @param array $scriptProperties
* @return array
*/
public function setRequestProperties(array $scriptProperties = array()) {
if (empty($this->properties)) $this->properties = array();
$this->properties = array_merge($this->getPropertyList(),$this->properties,$scriptProperties);
return $this->properties;
}
/**
* Get a list of permissions for browsing and utilizing the source. May be overridden to provide a custom
* list of permissions.
* @return array
*/
public function getPermissions() {
$this->permissions = array(
'directory_chmod' => $this->xpdo->hasPermission('directory_chmod'),
'directory_create' => $this->xpdo->hasPermission('directory_create'),
'directory_list' => $this->xpdo->hasPermission('directory_list'),
'directory_remove' => $this->xpdo->hasPermission('directory_remove'),
'directory_update' => $this->xpdo->hasPermission('directory_update'),
'file_list' => $this->xpdo->hasPermission('file_list'),
'file_remove' => $this->xpdo->hasPermission('file_remove'),
'file_update' => $this->xpdo->hasPermission('file_update'),
'file_upload' => $this->xpdo->hasPermission('file_upload'),
'file_view' => $this->xpdo->hasPermission('file_view'),
'file_create' => $this->xpdo->hasPermission('file_create'),
);
return $this->permissions;
}
/**
* See if the source is allowing a certain permission.
*
* @param string $key
* @return bool
*/
public function hasPermission($key) {
return !empty($this->permissions[$key]);
}
/**
* Add an error for an action occurring in the source
*
* @param string $field The field corresponding to the error
* @param string $message The message to add
* @return string The added error
*/
public function addError($field,$message) {
$this->errors[$field] = $message;
return $message;
}
/**
* Get all errors that have occurred for this source
* @return array
*/
public function getErrors() {
return $this->errors;
}
/**
* See if the source has any errors
* @return bool
*/
public function hasErrors() {
return !empty($this->errors);
}
public function getContainerList($path) { return array(); }
public function getObjectsInContainer($path) { return array(); }
public function createContainer($name,$parentContainer) { return true; }
public function removeContainer($path) { return true; }
public function renameContainer($oldPath,$newName) { return true; }
public function updateContainer() { return true; }
public function uploadObjectsToContainer($container,array $objects = array()) { return true; }
public function getObjectContents($objectPath) { return true; }
public function updateObject($objectPath,$content) { return true; }
public function createObject($objectPath,$name,$content) { return true; }
public function removeObject($objectPath) { return true; }
public function renameObject($oldPath,$newName) { return true; }
public function getBasePath($object = '') { return ''; }
public function getBaseUrl($object = '') { return ''; }
public function getObjectUrl($object = '') { return ''; }
public function moveObject($from,$to,$point = 'append') { return true; }
public function getDefaultProperties() { return array(); }
/**
* Get the openTo directory for this source, used with TV input types
*
* @param string $value
* @param array $parameters
* @return string
*/
public function getOpenTo($value,array $parameters = array()) {
return dirname($value).'/';
}
/**
* Get the name of this source type
* @return string
*/
public function getTypeName() {
$this->xpdo->lexicon->load('source');
return $this->xpdo->lexicon('source_type.file');
}
/**
* Get the description of this source type
* @return string
*/
public function getTypeDescription() {
$this->xpdo->lexicon->load('source');
return $this->xpdo->lexicon('source_type.file_desc');
}
/**
* Get the properties on this source
* @param boolean $parsed
* @return array
*/
public function getProperties($parsed = false) {
$properties = $this->get('properties');
$defaultProperties = $this->getDefaultProperties();
if (!empty($properties) && is_array($properties)) {
foreach ($properties as &$property) {
$property['overridden'] = 0;
if (array_key_exists($property['name'],$defaultProperties)) {
if ($defaultProperties[$property['name']]['value'] != $property['value']) {
$property['overridden'] = 1;
}
} else {
$property['overridden'] = 2;
}
}
$properties = array_merge($defaultProperties,$properties);
} else {
$properties = $defaultProperties;
}
/** @var array $results Allow manipulation of media source properties via event */
$results = $this->xpdo->invokeEvent('OnMediaSourceGetProperties',array(
'properties' => $this->xpdo->toJSON($properties),
));
if (!empty($results)) {
foreach ($results as $result) {
$result = is_array($result) ? $result : $this->xpdo->fromJSON($result);
$properties = array_merge($properties,$result);
}
}
if ($parsed) {
$properties = $this->parseProperties($properties);
}
return $this->prepareProperties($properties);
}
/**
* Get all properties in key => value format
* @return array
*/
public function getPropertyList() {
$properties = $this->getProperties(true);
$list = array();
foreach ($properties as $property) {
$value = $property['value'];
if (!empty($property['xtype']) && $property['xtype'] == 'combo-boolean') {
$value = empty($property['value']) && $property['value'] != 'true' ? false : true;
}
$list[$property['name']] = $value;
}
$list = array_merge($list,$this->properties);
return $list;
}
/**
* Parse any tags in the properties
* @param array $properties
* @return array
*/
public function parseProperties(array $properties) {
$properties = $this->getProperties();
$this->xpdo->getParser();
if ($this->xpdo->parser) {
foreach ($properties as &$property) {
$this->xpdo->parser->processElementTags('',$property['value'],true,true);
}
}
return $properties;
}
/**
* Translate any needed properties
* @param array $properties
* @return array
*/
public function prepareProperties(array $properties = array()) {
foreach ($properties as &$property) {
if (!empty($property['lexicon'])) {
$this->xpdo->lexicon->load($property['lexicon']);
}
if (!empty($property['name'])) {
$property['name_trans'] = $this->xpdo->lexicon($property['name']);
}
if (!empty($property['desc'])) {
$property['desc_trans'] = $this->xpdo->lexicon($property['desc']);
}
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 $properties;
}
/**
* Set the properties for this Source
*
* @param array $properties
* @param boolean $merge
* @return bool
*/
public function setProperties($properties, $merge = false) {
$default = $this->getDefaultProperties();
foreach ($properties as $k => $prop) {
if (is_array($prop) && array_key_exists($prop['name'],$default)) {
if ($prop['value'] == $default[$prop['name']]['value']) {
unset($properties[$k]);
}
} else if (is_scalar($prop)) { /* properties is k=>v pair */
if ($prop == $default[$k]['value']) {
unset($properties[$k]);
}
}
}
$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]) ? $property[5] : null,
);
} elseif (is_array($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,
);
} else {
$key = $propKey;
$propertyArray = array(
'name' => $propKey,
'desc' => '',
'type' => 'textfield',
'options' => array(),
'value' => $property,
'lexicon' => null,
);
}
if (!empty($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;
}
/**
* Prepare the source path for phpThumb
*
* @param string $src
* @return string
*/
public function prepareSrcForThumb($src) {
/* dont strip stuff for absolute URLs */
if (substr($src,0,4) != 'http') {
if (strpos($src,'/') !== 0) {
$properties = $this->getPropertyList();
$src = !empty($properties['basePath']) ? $properties['basePath'].$src : $src;
if (!empty($properties['basePathRelative'])) {
$src = $this->ctx->getOption('base_path',null,MODX_BASE_PATH).$src;
}
}
/* strip out double slashes */
$src = str_replace(array('///','//'),'/',$src);
/* check for file existence if local url */
if (strpos($src,'/') !== 0 && empty($src)) {
if (file_exists('/'.$src)) {
$src = '/'.$src;
} else {
return '';
}
}
}
return $src;
}
/**
* Prepares the output URL when the Source is being used in an Element. Can be overridden to provide prefixing/post-
* fixing functionality.
*
* @param string $value
* @return string
*/
public function prepareOutputUrl($value) {
return $value;
}
/**
* Find all policies for this object
*
* @param string $context
* @return array
*/
public function findPolicy($context = '') {
$policy = array();
$enabled = true;
$context = 'mgr';
if ($context === $this->xpdo->context->get('key')) {
$enabled = (boolean) $this->xpdo->getOption('access_media_source_enabled', null, true);
} elseif ($this->xpdo->getContext($context)) {
$enabled = (boolean) $this->xpdo->contexts[$context]->getOption('access_media_source_enabled', true);
}
if ($enabled) {
if (empty($this->_policies) || !isset($this->_policies[$context])) {
$accessTable = $this->xpdo->getTableName('sources.modAccessMediaSource');
$sourceTable = $this->xpdo->getTableName('sources.modMediaSource');
$policyTable = $this->xpdo->getTableName('modAccessPolicy');
$sql = "SELECT Acl.target, Acl.principal, Acl.authority, Acl.policy, Policy.data FROM {$accessTable} Acl " .
"LEFT JOIN {$policyTable} Policy ON Policy.id = Acl.policy " .
"JOIN {$sourceTable} Source ON Acl.principal_class = 'modUserGroup' " .
"AND (Acl.context_key = :context OR Acl.context_key IS NULL OR Acl.context_key = '') " .
"AND Source.id = Acl.target " .
"WHERE Acl.target = :source " .
"GROUP BY Acl.target, Acl.principal, Acl.authority, Acl.policy";
$bindings = array(
':source' => $this->get('id'),
':context' => $context,
);
$query = new xPDOCriteria($this->xpdo, $sql, $bindings);
if ($query->stmt && $query->stmt->execute()) {
while ($row = $query->stmt->fetch(PDO::FETCH_ASSOC)) {
$policy['sources.modAccessMediaSource'][$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;
}
/**
* Allow overriding of checkPolicy to always allow media sources to be loaded
*
* @param string|array $criteria
* @param array $targets
* @return bool
*/
public function checkPolicy($criteria, $targets = null) {
if ($criteria == 'load') {
$success = true;
} else {
$success = parent::checkPolicy($criteria,$targets);
}
return $success;
}
/**
* Override xPDOObject::save to clear the sources cache on save
*
* @param boolean $cacheFlag
* @return boolean
*/
public function save($cacheFlag = null) {
$saved = parent::save($cacheFlag);
if ($saved) {
$this->clearCache();
}
return $saved;
}
/**
* Clear the caches of all sources
* @param array $options
* @return void
*/
public function clearCache(array $options = array()) {
/** @var modCacheManager $cacheManager */
$cacheManager = $this->xpdo->getCacheManager();
if (empty($cacheManager)) return;
$c = $this->xpdo->newQuery('modContext');
$c->select($this->xpdo->escape('key'));
$options[xPDO::OPT_CACHE_KEY] = $this->getOption('cache_media_sources_key', $options, 'media_sources');
$options[xPDO::OPT_CACHE_HANDLER] = $this->getOption('cache_media_sources_handler', $options, $this->getOption(xPDO::OPT_CACHE_HANDLER, $options));
$options[xPDO::OPT_CACHE_FORMAT] = (integer) $this->getOption('cache_media_sources_format', $options, $this->getOption(xPDO::OPT_CACHE_FORMAT, $options, xPDOCacheManager::CACHE_PHP));
$options[xPDO::OPT_CACHE_ATTEMPTS] = (integer) $this->getOption('cache_media_sources_attempts', $options, $this->getOption(xPDO::OPT_CACHE_ATTEMPTS, $options, 10));
$options[xPDO::OPT_CACHE_ATTEMPT_DELAY] = (integer) $this->getOption('cache_media_sources_attempt_delay', $options, $this->getOption(xPDO::OPT_CACHE_ATTEMPT_DELAY, $options, 1000));
if ($c->prepare() && $c->stmt->execute()) {
while ($row = $c->stmt->fetch(PDO::FETCH_ASSOC)) {
if ($row && !empty($row['key'])) {
$cacheManager->delete($row['key'].'/source',$options);
}
}
}
}
}