silverstripe-cms/code/controller/AssetAdmin.php

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<?php
/**
* AssetAdmin is the 'file store' section of the CMS.
* It provides an interface for maniupating the File and Folder objects in the system.
*
* @package cms
* @subpackage assets
*/
class AssetAdmin extends LeftAndMain {
static $url_segment = 'assets';
static $url_rule = '/$Action/$ID';
static $menu_title = 'Files & Images';
public static $tree_class = 'Folder';
/**
* @see Upload->allowedMaxFileSize
* @var int
*/
public static $allowed_max_file_size;
static $allowed_actions = array(
'addfolder',
'DeleteItemsForm',
'doUpload',
'getsubtree',
'movemarked',
'removefile',
'savefile',
'uploadiframe',
'UploadForm',
'deleteUnusedThumbnails' => 'ADMIN',
'SyncForm',
);
/**
* @var boolean Enables upload of additional textual information
* alongside each file (through multifile.js), which makes
* batch changes easier.
*
* CAUTION: This is an unstable API which might change.
*/
public static $metadata_upload_enabled = false;
/**
* Return fake-ID "root" if no ID is found (needed to upload files into the root-folder)
*/
public function currentPageID() {
if(isset($_REQUEST['ID']) && is_numeric($_REQUEST['ID'])) {
return $_REQUEST['ID'];
} elseif (is_numeric($this->urlParams['ID'])) {
return $this->urlParams['ID'];
} elseif(is_numeric(Session::get("{$this->class}.currentPage"))) {
return Session::get("{$this->class}.currentPage");
} else {
return "root";
}
}
/**
* Set up the controller, in particular, re-sync the File database with the assets folder./
*/
function init() {
parent::init();
// Create base folder if it doesnt exist already
if(!file_exists(ASSETS_PATH)) Filesystem::makeFolder(ASSETS_PATH);
Requirements::javascript(CMS_DIR . "/javascript/AssetAdmin.js");
Requirements::css(CMS_DIR . "/css/AssetAdmin.css");
Requirements::customScript(<<<JS
_TREE_ICONS = {};
_TREE_ICONS['Folder'] = {
fileIcon: 'sapphire/javascript/tree/images/page-closedfolder.gif',
openFolderIcon: 'sapphire/javascript/tree/images/page-openfolder.gif',
closedFolderIcon: 'sapphire/javascript/tree/images/page-closedfolder.gif'
};
JS
);
CMSBatchActionHandler::register('delete', 'AssetAdmin_DeleteBatchAction', 'Folder');
}
/**
* Show the content of the upload iframe. The form is specified by a template.
*/
function uploadiframe() {
Requirements::clear();
Requirements::javascript(SAPPHIRE_DIR . "/thirdparty/prototype/prototype.js");
Requirements::javascript(SAPPHIRE_DIR . "/thirdparty/behaviour/behaviour.js");
//Requirements::javascript(CMS_DIR . "/javascript/LeftAndMain.js");
Requirements::javascript(CMS_DIR . "/thirdparty/multifile/multifile.js");
Requirements::css(CMS_DIR . "/thirdparty/multifile/multifile.css");
Requirements::javascript(SAPPHIRE_DIR . "/thirdparty/jquery/jquery.js");
Requirements::javascript(SAPPHIRE_DIR . "/javascript/jquery_improvements.js");
Requirements::css(CMS_DIR . "/css/typography.css");
Requirements::css(CMS_DIR . "/css/layout.css");
Requirements::css(CMS_DIR . "/css/cms_left.css");
Requirements::css(CMS_DIR . "/css/cms_right.css");
if(isset($data['ID']) && $data['ID'] != 'root') $folder = DataObject::get_by_id("Folder", $data['ID']);
else $folder = singleton('Folder');
return array( 'CanUpload' => $folder->canEdit());
}
/**
* Needs to be enabled through {@link AssetAdmin::$metadata_upload_enabled}
*
* @return String
*/
function UploadMetadataHtml() {
if(!self::$metadata_upload_enabled) return;
$fields = singleton('File')->uploadMetadataFields();
// Return HTML with markers for easy replacement
$fieldHtml = '';
foreach($fields as $field) $fieldHtml = $fieldHtml . $field->FieldHolder();
$fieldHtml = preg_replace('/(name|for|id)="(.+?)"/', '$1="$2[__X__]"', $fieldHtml);
// Icky hax to fix certain elements with fixed ids
$fieldHtml = preg_replace('/-([a-zA-Z0-9]+?)\[__X__\]/', '[__X__]-$1', $fieldHtml);
return $fieldHtml;
}
/**
* Return the form object shown in the uploadiframe.
*/
function UploadForm() {
$form = new Form($this,'UploadForm', new FieldSet(
new HiddenField("ID", "", $this->currentPageID()),
new HiddenField("FolderID", "", $this->currentPageID()),
// needed because the button-action is triggered outside the iframe
new HiddenField("action_doUpload", "", "1"),
new FileField("Files[0]" , _t('AssetAdmin.CHOOSEFILE','Choose file: ')),
new LiteralField('UploadButton',"
<input type=\"submit\" value=\"". _t('AssetAdmin.UPLOAD', 'Upload Files Listed Below'). "\" name=\"action_upload\" id=\"Form_UploadForm_action_upload\" class=\"action\" />
"),
new LiteralField('MultifileCode',"
<p>" . _t('AssetAdmin.FILESREADY','Files ready to upload:') ."</p>
<div id=\"Form_UploadForm_FilesList\"></div>
")
), new FieldSet(
));
// Makes ajax easier
$form->disableSecurityToken();
return $form;
}
/**
* This method processes the results of the UploadForm.
* It will save the uploaded files to /assets/ and create new File objects as required.
*/
function doUpload($data, $form) {
$newFiles = array();
$fileIDs = array();
$fileNames = array();
$fileSizeWarnings = '';
$errorsArr = '';
$status = '';
$statusMessage = '';
$processedFiles = array();
foreach($data['Files'] as $param => $files) {
if(!is_array($files)) $files = array($files);
foreach($files as $key => $value) {
$processedFiles[$key][$param] = $value;
}
}
// Load POST data from arrays in to the correct dohickey.
$processedData = array();
foreach($data as $dataKey => $value) {
if ($dataKey == 'Files') continue;
if (is_array($value)) {
$i = 0;
foreach($value as $fileId => $dataValue) {
if (!isset($processedData[$i])) $processedData[$i] = array();
$processedData[$i][$dataKey] = $dataValue;
$i++;
}
}
}
$processedData = array_reverse($processedData);
if($data['FolderID'] && $data['FolderID'] != '') $folder = DataObject::get_by_id("Folder", $data['FolderID']);
else $folder = singleton('Folder');
foreach($processedFiles as $filePostId => $tmpFile) {
if($tmpFile['error'] == UPLOAD_ERR_NO_TMP_DIR) {
$errorsArr[] = _t('AssetAdmin.NOTEMP', 'There is no temporary folder for uploads. Please set upload_tmp_dir in php.ini.');
break;
}
if($tmpFile['tmp_name']) {
// validate files (only if not logged in as admin)
if(!File::$apply_restrictions_to_admin && Permission::check('ADMIN')) {
$valid = true;
} else {
// Set up the validator instance with rules
$validator = new Upload_Validator();
$validator->setAllowedExtensions(File::$allowed_extensions);
$validator->setAllowedMaxFileSize(self::$allowed_max_file_size);
// Do the upload validation with the rules
$upload = new Upload();
$upload->setValidator($validator);
$valid = $upload->validate($tmpFile);
if(!$valid) {
$errorsArr = $upload->getErrors();
}
}
// move file to given folder
if($valid) {
$newFile = $folder->addUploadToFolder($tmpFile);
if(self::$metadata_upload_enabled && isset($processedData[$filePostId])) {
$fileObject = DataObject::get_by_id('File', $newFile);
$metadataForm = new Form($this, 'MetadataForm', $fileObject->uploadMetadataFields(), new FieldSet());
$metadataForm->loadDataFrom($processedData[$filePostId]);
$metadataForm->saveInto($fileObject);
$fileObject->write();
}
$newFiles[] = $newFile;
}
}
}
if($newFiles) {
$numFiles = sizeof($newFiles);
$statusMessage = sprintf(_t('AssetAdmin.UPLOADEDX',"Uploaded %s files"),$numFiles);
$status = "good";
} else if($errorsArr) {
$statusMessage = implode('\n', $errorsArr);
$status = 'bad';
} else {
$statusMessage = _t('AssetAdmin.NOTHINGTOUPLOAD','There was nothing to upload');
$status = "";
}
$fileObj = false;
foreach($newFiles as $newFile) {
$fileIDs[] = $newFile;
$fileObj = DataObject::get_one('File', "\"File\".\"ID\"=$newFile");
// notify file object after uploading
if (method_exists($fileObj, 'onAfterUpload')) $fileObj->onAfterUpload();
$fileNames[] = $fileObj->Name;
}
// workaround for content editors image upload.Passing an extra hidden field
// in the content editors view of 'UploadMode' @see HtmlEditorField
// this will be refactored for 2.5
if(isset($data['UploadMode']) && $data['UploadMode'] == "CMSEditor" && $fileObj) {
// we can use $fileObj considering that the uploader in the cmseditor can only upload
// one file at a time. Once refactored to multiple files this is going to have to be changed
$width = (is_a($fileObj, 'Image')) ? $fileObj->getWidth() : '100';
$height = (is_a($fileObj, 'Image')) ? $fileObj->getHeight() : '100';
$values = array(
'Filename' => $fileObj->Filename,
'Width' => $width,
'Height' => $height
);
return Convert::raw2json($values);
}
$sFileIDs = implode(',', $fileIDs);
$sFileNames = implode(',', $fileNames);
// TODO Will be replaced by new upload mechanism, refresh disabled for now
// echo <<<HTML
// <script type="text/javascript">
// var url = parent.document.getElementById('sitetree').getTreeNodeByIdx( "{$folder->ID}" ).getElementsByTagName('a')[0].href;
// parent.jQuery('.cms-edit-form').entwine('ss').loadForm(url);
// parent.statusMessage("{$statusMessage}","{$status}");
// </script>
// HTML;
}
/**
* Add a new group and return its details suitable for ajax.
*
* @todo Move logic into Folder class, and use LeftAndMain->doAdd() default implementation.
*/
public function doAdd($data, $form) {
$class = $this->stat('tree_class');
// check create permissions
if(!singleton($class)->canCreate()) return Security::permissionFailure($this);
// check addchildren permissions
if(
singleton($class)->hasDatabaseField('Hierarchy')
&& isset($data['ParentID'])
&& is_numeric($data['ParentID'])
) {
$parentRecord = DataObject::get_by_id($class, $data['ParentID']);
if(
$parentRecord->hasMethod('canAddChildren')
&& !$parentRecord->canAddChildren()
) return Security::permissionFailure($this);
}
$parent = (isset($data['ParentID']) && is_numeric($data['ParentID'])) ? (int)$data['ParentID'] : 0;
$name = (isset($data['Name'])) ? basename($data['Name']) : _t('AssetAdmin.NEWFOLDER',"NewFolder");
if(!isset($parentRecord) || !$parentRecord->ID) $parent = 0;
// Get the folder to be created
if(isset($parentRecord->ID)) $filename = $parentRecord->FullPath . $name;
else $filename = ASSETS_PATH . '/' . $name;
// Actually create
if(!file_exists(ASSETS_PATH)) {
mkdir(ASSETS_PATH);
}
$record = new Folder();
$record->ParentID = $parent;
// Ensure uniqueness
$i = 2;
$baseFilename = substr($record->Filename, 0, -1) . '-';
while(file_exists($record->FullPath)) {
$record->Filename = $baseFilename . $i . '/';
$i++;
}
$record->Name = $record->Title = basename($record->Filename);
$record->write();
mkdir($record->FullPath);
chmod($record->FullPath, Filesystem::$file_create_mask);
// Used in TinyMCE inline folder creation
if(isset($data['returnID'])) {
return $record->ID;
} else if($this->isAjax()) {
$form = $this->getEditForm($record->ID);
return $form->formHtmlContent();
} else {
return $this->redirect(Controller::join_links($this->Link('show'), $record->ID));
}
}
/**
* Custom currentPage() method to handle opening the 'root' folder
*/
public function currentPage() {
$id = $this->currentPageID();
if($id && is_numeric($id)) {
return DataObject::get_by_id('File', $id);
} else if($id == 'root') {
return singleton('File');
}
}
function getSiteTreeFor($className, $rootID = null, $childrenMethod = null, $numChildrenMethod = null, $filterFunction = null, $minNodeCount = 30) {
if (!$childrenMethod) $childrenMethod = 'ChildFolders';
return parent::getSiteTreeFor($className, $rootID, $childrenMethod, $numChildrenMethod, $filterFunction, $minNodeCount);
}
public function getCMSTreeTitle() {
return Director::absoluteBaseURL() . "assets";
}
public function SiteTreeAsUL() {
return $this->getSiteTreeFor($this->stat('tree_class'), null, 'ChildFolders');
}
//------------------------------------------------------------------------------------------//
// Data saving handlers
/**
* @return Form
*/
function SyncForm() {
$form = new Form(
$this,
'SyncForm',
new FieldSet(
),
new FieldSet(
$btn = new FormAction('doSync', _t('FILESYSTEMSYNC','Look for new files'))
)
);
$form->addExtraClass('actionparams');
$form->setFormMethod('GET');
$btn->describe(_t('AssetAdmin_left.ss.FILESYSTEMSYNC_DESC', 'SilverStripe maintains its own database of the files &amp; images stored in your assets/ folder. Click this button to update that database, if files are added to the assets/ folder from outside SilverStripe, for example, if you have uploaded files via FTP.'));
return $form;
}
function doSync($data, $form) {
return Filesystem::sync();
}
/**
* #################################
* Garbage collection.
* #################################
*/
/**
* Removes all unused thumbnails from the file store
* and returns the status of the process to the user.
*/
public function deleteunusedthumbnails($request) {
// Protect against CSRF on destructive action
if(!SecurityToken::inst()->checkRequest($request)) return $this->httpError(400);
$count = 0;
$thumbnails = $this->getUnusedThumbnails();
if($thumbnails) {
foreach($thumbnails as $thumbnail) {
unlink(ASSETS_PATH . "/" . $thumbnail);
$count++;
}
}
$message = sprintf(_t('AssetAdmin.THUMBSDELETED', '%s unused thumbnails have been deleted'), $count);
FormResponse::status_message($message, 'good');
echo FormResponse::respond();
}
/**
* Creates array containg all unused thumbnails.
*
* Array is created in three steps:
* 1. Scan assets folder and retrieve all thumbnails
* 2. Scan all HTMLField in system and retrieve thumbnails from them.
* 3. Count difference between two sets (array_diff)
*
* @return array
*/
private function getUnusedThumbnails() {
$allThumbnails = array();
$usedThumbnails = array();
$dirIterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator(ASSETS_PATH));
$classes = ClassInfo::subclassesFor('SiteTree');
if($dirIterator) {
foreach($dirIterator as $file) {
if($file->isFile()) {
if(strpos($file->getPathname(), '_resampled') !== false) {
$pathInfo = pathinfo($file->getPathname());
if(in_array(strtolower($pathInfo['extension']), array('jpeg', 'jpg', 'jpe', 'png', 'gif'))) {
$path = str_replace('\\','/', $file->getPathname());
$allThumbnails[] = substr($path, strpos($path, '/assets/') + 8);
}
}
}
}
}
if($classes) {
foreach($classes as $className) {
$SNG_class = singleton($className);
$objects = DataObject::get($className);
if($objects !== NULL) {
foreach($objects as $object) {
foreach($SNG_class->db() as $fieldName => $fieldType) {
if($fieldType == 'HTMLText') {
$url1 = HTTP::findByTagAndAttribute($object->$fieldName,array('img' => 'src'));
if($url1 != NULL) {
$usedThumbnails[] = substr($url1[0], strpos($url1[0], '/assets/') + 8);
}
if($object->latestPublished > 0) {
$object = Versioned::get_latest_version($className, $object->ID);
$url2 = HTTP::findByTagAndAttribute($object->$fieldName, array('img' => 'src'));
if($url2 != NULL) {
$usedThumbnails[] = substr($url2[0], strpos($url2[0], '/assets/') + 8);
}
}
}
}
}
}
}
}
return array_diff($allThumbnails, $usedThumbnails);
}
}
/**
* Delete multiple {@link Folder} records (and the associated filesystem nodes).
* Usually used through the {@link AssetAdmin} interface.
*
* @package cms
* @subpackage batchactions
*/
class AssetAdmin_DeleteBatchAction extends CMSBatchAction {
function getActionTitle() {
// _t('AssetAdmin_left.ss.SELECTTODEL','Select the folders that you want to delete and then click the button below')
return _t('AssetAdmin_DeleteBatchAction.TITLE', 'Delete folders');
}
function run(DataObjectSet $records) {
$status = array(
'modified'=>array(),
'deleted'=>array()
);
foreach($records as $record) {
$id = $record->ID;
// Perform the action
if($record->canDelete()) $record->delete();
$status['deleted'][$id] = array();
$record->destroy();
unset($record);
}
return Convert::raw2json($status);
}
}
?>