mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
767bfedd30
BUGFIX Fixed Folder::findOrMake() not to create "new-folder" through File->setName() if using a trailing slash in the path (which causes an empty name). Added FolderTest to verify this. (from r101266) git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@111984 467b73ca-7a2a-4603-9d3b-597d59a354a9
671 lines
19 KiB
PHP
Executable File
671 lines
19 KiB
PHP
Executable File
<?php
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/**
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* This class handles the representation of a File within Sapphire
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* Note: The files are stored in the assets/ directory, but sapphire
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* looks at the db object to gather information about a file such as URL
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* It then uses this for all processing functions (like image manipulation).
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*
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* @package sapphire
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* @subpackage filesystem
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*/
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class File extends DataObject {
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static $default_sort = "\"Name\"";
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static $singular_name = "File";
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static $plural_name = "Files";
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static $db = array(
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"Name" => "Varchar(255)",
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"Title" => "Varchar(255)",
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"Filename" => "Varchar(255)",
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"Content" => "Text",
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"Sort" => "Int"
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);
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static $has_one = array(
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"Parent" => "File",
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"Owner" => "Member"
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);
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static $has_many = array();
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static $many_many = array();
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static $belongs_many_many = array(
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"BackLinkTracking" => "SiteTree",
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);
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static $defaults = array();
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static $extensions = array(
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"Hierarchy",
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);
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/**
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* @see Upload->allowedExtensions
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* @var array
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*/
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public static $allowed_extensions = array(
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'','html','htm','xhtml','js','css',
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'bmp','png','gif','jpg','jpeg','ico','pcx','tif','tiff',
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'au','mid','midi','mpa','mp3','ogg','m4a','ra','wma','wav','cda',
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'avi','mpg','mpeg','asf','wmv','m4v','mov','mkv','mp4','swf','flv','ram','rm',
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'doc','docx','txt','rtf','xls','xlsx','pages',
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'ppt','pptx','pps','csv',
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'cab','arj','tar','zip','zipx','sit','sitx','gz','tgz','bz2','ace','arc','pkg','dmg','hqx','jar',
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'xml','pdf',
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);
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/**
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* If this is true, then restrictions set in $allowed_max_file_size and
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* $allowed_extensions will be applied to users with admin privileges as
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* well.
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*/
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public static $apply_restrictions_to_admin = true;
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/**
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* Cached result of a "SHOW FIELDS" call
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* in instance_get() for performance reasons.
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*
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* @var array
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*/
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protected static $cache_file_fields = null;
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/**
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* Find a File object by the given filename.
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* @return mixed null if not found, File object of found file
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*/
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static function find($filename) {
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// Get the base file if $filename points to a resampled file
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$filename = ereg_replace('_resampled/[^-]+-','',$filename);
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$parts = explode("/", $filename);
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$parentID = 0;
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$item = null;
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foreach($parts as $part) {
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if($part == "assets" && !$parentID) continue;
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$SQL_part = Convert::raw2sql($part);
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$item = DataObject::get_one("File", "\"Name\" = '$SQL_part' AND \"ParentID\" = $parentID");
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if(!$item) break;
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$parentID = $item->ID;
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}
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return $item;
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}
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function Link($action = null) {
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return Director::baseURL() . $this->RelativeLink($action);
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}
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function RelativeLink($action = null){
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return $this->Filename;
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}
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function getTreeTitle() {
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return $this->Name;
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}
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// Used by AssetTableField
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function BackLinkTrackingCount() {
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return $this->BackLinkTracking()->Count();
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}
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/**
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* Event handler called before deleting from the database.
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* You can overload this to clean up or otherwise process data before delete this
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* record. Don't forget to call parent::onBeforeDelete(), though!
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*/
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protected function onBeforeDelete() {
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parent::onBeforeDelete();
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$this->autosetFilename();
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if($this->Filename && $this->Name && file_exists($this->getFullPath()) && !is_dir($this->getFullPath())) {
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unlink($this->getFullPath());
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}
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}
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protected function onAfterDelete() {
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parent::onAfterDelete();
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if($brokenPages = $this->BackLinkTracking()) {
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$origStage = Versioned::current_stage();
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// This will syncLinkTracking on draft
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Versioned::reading_stage('Stage');
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foreach($brokenPages as $brokenPage) $brokenPage->write();
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// This will syncLinkTracking on published
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Versioned::reading_stage('Live');
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foreach($brokenPages as $brokenPage) $brokenPage->write();
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Versioned::reading_stage($origStage);
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}
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}
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/**
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* @todo Enforce on filesystem URL level via mod_rewrite
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*
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* @return boolean
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*/
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function canView($member = null) {
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if(!$member) $member = Member::currentUser();
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$results = $this->extend('canView', $member);
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if($results && is_array($results)) if(!min($results)) return false;
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return true;
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}
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/**
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* Returns true if the following conditions are met:
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* - CMS_ACCESS_AssetAdmin
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*
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* @todo Decouple from CMS view access
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*
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* @return boolean
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*/
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function canEdit($member = null) {
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if(!$member) $member = Member::currentUser();
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$results = $this->extend('canEdit', $member);
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if($results && is_array($results)) if(!min($results)) return false;
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return Permission::checkMember($member, 'CMS_ACCESS_AssetAdmin');
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}
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/**
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* @return boolean
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*/
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function canCreate($member = null) {
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if(!$member) $member = Member::currentUser();
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$results = $this->extend('canCreate', $member);
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if($results && is_array($results)) if(!min($results)) return false;
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return $this->canEdit($member);
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}
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/**
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* @return boolean
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*/
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function canDelete($member = null) {
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if(!$member) $member = Member::currentUser();
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$results = $this->extend('canDelete', $member);
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if($results && is_array($results)) if(!min($results)) return false;
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return $this->canEdit($member);
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}
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public function appCategory() {
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$ext = $this->Extension;
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switch($ext) {
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case "aif": case "au": case "mid": case "midi": case "mp3": case "ra": case "ram": case "rm":
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case "mp3": case "wav": case "m4a": case "snd": case "aifc": case "aiff": case "wma": case "apl":
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case "avr": case "cda": case "mp4": case "ogg":
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return "audio";
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case "mpeg": case "mpg": case "m1v": case "mp2": case "mpa": case "mpe": case "ifo": case "vob":
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case "avi": case "wmv": case "asf": case "m2v": case "qt":
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return "mov";
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case "arc": case "rar": case "tar": case "gz": case "tgz": case "bz2": case "dmg": case "jar":
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case "ace": case "arj": case "bz": case "cab":
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return "zip";
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case "bmp": case "gif": case "jpg": case "jpeg": case "pcx": case "tif": case "png": case "alpha":
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case "als": case "cel": case "icon": case "ico": case "ps":
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return "image";
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}
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}
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function CMSThumbnail() {
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$filename = $this->Icon();
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return "<div style=\"text-align:center;width: 100px;padding-top: 15px;\"><a target=\"_blank\" href=\"$this->URL\" title=\"Download: $this->URL\"><img src=\"$filename\" alt=\"$filename\" /></a><br /><br /><a style=\"color: #0074C6;\"target=\"_blank\" href=\"$this->URL\" title=\"Download: $this->URL\">Download</a><br /><em>$this->Size</em></div>";
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}
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/**
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* Return the URL of an icon for the file type
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*/
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function Icon() {
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$ext = $this->Extension;
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if(!Director::fileExists(SAPPHIRE_DIR . "/images/app_icons/{$ext}_32.gif")) {
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$ext = $this->appCategory();
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}
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if(!Director::fileExists(SAPPHIRE_DIR . "/images/app_icons/{$ext}_32.gif")) {
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$ext = "generic";
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}
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return SAPPHIRE_DIR . "/images/app_icons/{$ext}_32.gif";
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}
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/**
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* Should be called after the file was uploaded
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*/
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function onAfterUpload() {
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$this->extend('onAfterUpload');
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}
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/**
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* Delete the database record (recursively for folders) without touching the filesystem
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*/
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public function deleteDatabaseOnly() {
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if(is_numeric($this->ID)) DB::query("DELETE FROM \"File\" WHERE \"ID\" = $this->ID");
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}
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/**
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* Event handler called before deleting from the database.
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* You can overload this to clean up or otherwise process data before delete this
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* record. Don't forget to call parent::onBeforeWrite(), though!
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*/
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protected function onBeforeWrite() {
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parent::onBeforeWrite();
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if(!$this->Name) $this->Name = "new-" . strtolower($this->class);
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}
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/**
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* Collate selected descendants of this page.
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* $condition will be evaluated on each descendant, and if it is succeeds, that item will be added
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* to the $collator array.
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* @param condition The PHP condition to be evaluated. The page will be called $item
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* @param collator An array, passed by reference, to collect all of the matching descendants.
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*/
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public function collateDescendants($condition, &$collator) {
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if($children = $this->Children()) {
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foreach($children as $item) {
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if(!$condition || eval("return $condition;")) $collator[] = $item;
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$item->collateDescendants($condition, $collator);
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}
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return true;
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}
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}
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/**
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* Setter function for Name.
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* Automatically sets a default title.
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*/
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function setName($name) {
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$oldName = $this->Name;
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// It can't be blank
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if(!$name) $name = $this->Title;
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// Fix illegal characters
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$name = ereg_replace(' +','-',trim($name));
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$name = ereg_replace('[^A-Za-z0-9.+_\-]','',$name);
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while(!empty($name) && ($name[0] == '_' || $name[0] == '.')) {
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$name = substr($name, 1);
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}
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// We might have just turned it blank, so check again.
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if(!$name) $name = 'new-folder';
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// If it's changed, check for duplicates
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if($oldName && $oldName != $name) {
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if($dotPos = strpos($name, '.')) {
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$base = substr($name,0,$dotPos);
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$ext = substr($name,$dotPos);
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} else {
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$base = $name;
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$ext = "";
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}
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$suffix = 1;
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while(DataObject::get_one("File", "\"Name\" = '" . addslashes($name) . "' AND \"ParentID\" = " . (int)$this->ParentID)) {
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$suffix++;
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$name = "$base-$suffix$ext";
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}
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}
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if(!$this->getField('Title')) $this->__set('Title', str_replace(array('-','_'),' ',ereg_replace('\.[^.]+$','',$name)));
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$this->setField('Name', $name);
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if($oldName && $oldName != $this->Name) {
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$this->resetFilename();
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} else {
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$this->autosetFilename();
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}
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return $this->getField('Name');
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}
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/**
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* Change a filename, moving the file if appropriate.
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* @param $renamePhysicalFile Set this to false if you don't want to rename the physical file. Used when calling resetFilename() on the children of a folder.
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*/
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protected function resetFilename($renamePhysicalFile = true) {
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$oldFilename = $this->getField('Filename');
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$newFilename = $this->getRelativePath();
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if($this->Name && $this->Filename && file_exists(Director::getAbsFile($oldFilename)) && strpos($oldFilename, '//') === false) {
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if($renamePhysicalFile) {
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$from = Director::getAbsFile($oldFilename);
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$to = Director::getAbsFile($newFilename);
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// Error checking
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if(!file_exists($from)) user_error("Cannot move $oldFilename to $newFilename - $oldFilename doesn't exist", E_USER_WARNING);
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else if(!file_exists(dirname($to))) user_error("Cannot move $oldFilename to $newFilename - " . dirname($newFilename) . " doesn't exist", E_USER_WARNING);
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else if(!rename($from, $to)) user_error("Cannot move $oldFilename to $newFilename", E_USER_WARNING);
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else $this->updateLinks($oldFilename, $newFilename);
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} else {
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$this->updateLinks($oldFilename, $newFilename);
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}
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} else {
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// If the old file doesn't exist, maybe it's already been renamed.
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if(file_exists(Director::getAbsFile($newFilename))) $this->updateLinks($oldFilename, $newFilename);
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}
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$this->setField('Filename', $newFilename);
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}
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/**
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* Set the Filename field without manipulating the filesystem.
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*/
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protected function autosetFilename() {
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$this->setField('Filename', $this->getRelativePath());
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}
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function setField( $field, $value ) {
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parent::setField( $field, $value );
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}
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/**
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* Rewrite links to the $old file to now point to the $new file
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*/
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protected function updateLinks($old, $new) {
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if(class_exists('Subsite')) Subsite::disable_subsite_filter(true);
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$pages = $this->BackLinkTracking();
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$summary = "";
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if($pages) {
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foreach($pages as $page) $page->rewriteFileURL($old,$new);
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}
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if(class_exists('Subsite')) Subsite::disable_subsite_filter(false);
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}
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function setParentID($parentID) {
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$this->setField('ParentID', (int)$parentID);
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if($this->Name) $this->resetFilename();
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else $this->autosetFilename();
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return $this->getField('ParentID');
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}
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/**
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* Gets the absolute URL accessible through the web.
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*
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* @uses Director::absoluteBaseURL()
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* @return string
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*/
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function getAbsoluteURL() {
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return Director::absoluteBaseURL() . $this->getFilename();
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}
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/**
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* Gets the relative URL accessible through the web.
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*
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* @uses Director::baseURL()
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* @return string
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*/
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function getURL() {
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return Director::baseURL() . $this->getFilename();
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}
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/**
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* Return the last 50 characters of the URL
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*/
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function getLinkedURL() {
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return "$this->Name";
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}
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function getFullPath() {
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$baseFolder = Director::baseFolder();
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if(strpos($this->getFilename(), $baseFolder) === 0) {
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// if path is absolute already, just return
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return $this->getFilename();
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} else {
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// otherwise assume silverstripe-basefolder
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return Director::baseFolder() . '/' . $this->getFilename();
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}
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}
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/**
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* Returns
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*
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* @return String
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*/
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function getRelativePath() {
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if($this->ParentID) {
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$p = DataObject::get_by_id('Folder', $this->ParentID);
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if($p && $p->exists()) return $p->getRelativePath() . $this->getField("Name");
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else return ASSETS_DIR . "/" . $this->getField("Name");
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} else if($this->getField("Name")) {
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return ASSETS_DIR . "/" . $this->getField("Name");
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} else {
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return ASSETS_DIR;
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}
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}
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function DeleteLink() {
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return Director::absoluteBaseURL()."admin/assets/removefile/".$this->ID;
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}
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function getFilename() {
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if($this->getField('Filename')) {
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return $this->getField('Filename');
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} else {
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return ASSETS_DIR . '/';
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}
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}
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function setFilename($val) {
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$this->setField('Filename', $val);
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$this->setField('Name', basename($val));
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}
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/*
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* FIXME This overrides getExtension() in DataObject, but it does something completely different.
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* This should be renamed to getFileExtension(), but has not been yet as it may break
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* legacy code.
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*/
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function getExtension() {
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return self::get_file_extension($this->getField('Filename'));
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}
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/**
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* Gets the extension of a filepath or filename,
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* by stripping away everything before the last "dot".
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*
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* @param string $filename
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* @return string
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*/
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public static function get_file_extension($filename) {
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return strtolower(substr($filename,strrpos($filename,'.')+1));
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}
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/**
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* Return the type of file for the given extension
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* on the current file name.
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*
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* @return string
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*/
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function getFileType() {
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$types = array(
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'gif' => 'GIF image - good for diagrams',
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'jpg' => 'JPEG image - good for photos',
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'jpeg' => 'JPEG image - good for photos',
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'png' => 'PNG image - good general-purpose format',
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'ico' => 'Icon image',
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'tiff' => 'Tagged image format',
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'doc' => 'Word document',
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'xls' => 'Excel spreadsheet',
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'zip' => 'ZIP compressed file',
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'gz' => 'GZIP compressed file',
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'dmg' => 'Apple disk image',
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'pdf' => 'Adobe Acrobat PDF file',
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'mp3' => 'MP3 audio file',
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'wav' => 'WAV audo file',
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'avi' => 'AVI video file',
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'mpg' => 'MPEG video file',
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'mpeg' => 'MPEG video file',
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|
'js' => 'Javascript file',
|
|
'css' => 'CSS file',
|
|
'html' => 'HTML file',
|
|
'htm' => 'HTML file'
|
|
);
|
|
|
|
$ext = $this->getExtension();
|
|
|
|
return isset($types[$ext]) ? $types[$ext] : 'unknown';
|
|
}
|
|
|
|
/**
|
|
* Returns the size of the file type in an appropriate format.
|
|
*/
|
|
function getSize() {
|
|
$size = $this->getAbsoluteSize();
|
|
|
|
return ($size) ? self::format_size($size) : false;
|
|
}
|
|
|
|
public static function format_size($size) {
|
|
if($size < 1024) return $size . ' bytes';
|
|
if($size < 1024*10) return (round($size/1024*10)/10). ' KB';
|
|
if($size < 1024*1024) return round($size/1024) . ' KB';
|
|
if($size < 1024*1024*10) return (round(($size/1024)/1024*10)/10) . ' MB';
|
|
if($size < 1024*1024*1024) return round(($size/1024)/1024) . ' MB';
|
|
return round($size/(1024*1024*1024)*10)/10 . ' GB';
|
|
}
|
|
|
|
/**
|
|
* Return file size in bytes.
|
|
* @return int
|
|
*/
|
|
function getAbsoluteSize(){
|
|
if(file_exists($this->getFullPath())) {
|
|
$size = filesize($this->getFullPath());
|
|
return $size;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* We've overridden the DataObject::get function for File so that the very large content field
|
|
* is excluded!
|
|
*
|
|
* @todo Admittedly this is a bit of a hack; but we need a way of ensuring that large
|
|
* TEXT fields don't stuff things up for the rest of us. Perhaps a separate search table would
|
|
* be a better way of approaching this?
|
|
* @deprecated alternative_instance_get()
|
|
*/
|
|
public function instance_get($filter = "", $sort = "", $join = "", $limit="", $containerClass = "DataObjectSet", $having="") {
|
|
$query = $this->extendedSQL($filter, $sort, $limit, $join, $having);
|
|
$baseTable = reset($query->from);
|
|
|
|
$excludeDbColumns = array('Content');
|
|
|
|
// Work out which columns we're actually going to select
|
|
// In short, we select everything except File.Content
|
|
$dataobject_select = array();
|
|
foreach($query->select as $item) {
|
|
/*
|
|
if($item == "\"File\".*") {
|
|
$fileColumns = DB::query("SHOW FIELDS IN \"File\"")->column();
|
|
$columnsToAdd = array_diff($fileColumns, $excludeDbColumns);
|
|
foreach($columnsToAdd as $otherItem) $dataobject_select[] = '"File".' . $otherItem;
|
|
} else {
|
|
*/
|
|
$dataobject_select[] = $item;
|
|
//}
|
|
}
|
|
|
|
$query->select = $dataobject_select;
|
|
|
|
$records = $query->execute();
|
|
$ret = $this->buildDataObjectSet($records, $containerClass);
|
|
if($ret) $ret->parseQueryLimit($query);
|
|
|
|
return $ret;
|
|
}
|
|
|
|
public function flushCache() {
|
|
parent::flushCache();
|
|
|
|
self::$cache_file_fields = null;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param boolean $includerelations a boolean value to indicate if the labels returned include relation fields
|
|
*
|
|
*/
|
|
function fieldLabels($includerelations = true) {
|
|
$labels = parent::fieldLabels($includerelations);
|
|
$labels['Name'] = _t('File.Name', 'Name');
|
|
$labels['Title'] = _t('File.Title', 'Title');
|
|
$labels['Filename'] = _t('File.Filename', 'Filename');
|
|
$labels['Filename'] = _t('File.Filename', 'Filename');
|
|
$labels['Content'] = _t('File.Content', 'Content');
|
|
$labels['Sort'] = _t('File.Sort', 'Sort Order');
|
|
|
|
return $labels;
|
|
}
|
|
|
|
function validate() {
|
|
if(File::$apply_restrictions_to_admin || !Permission::check('ADMIN')) {
|
|
$extension = strtolower(pathinfo($this->Name, PATHINFO_EXTENSION));
|
|
|
|
if($extension && !in_array($extension, self::$allowed_extensions)) {
|
|
$exts = self::$allowed_extensions;
|
|
sort($exts);
|
|
$message = sprintf(
|
|
_t(
|
|
'File.INVALIDEXTENSION',
|
|
'Extension is not allowed (valid: %s)',
|
|
PR_MEDIUM,
|
|
'Argument 1: Comma-separated list of valid extensions'
|
|
),
|
|
implode(', ',$exts)
|
|
);
|
|
return new ValidationResult(false, $message);
|
|
}
|
|
}
|
|
return new ValidationResult(true);
|
|
}
|
|
|
|
/**
|
|
* Allow custom fields for uploads in {@link AssetAdmin}.
|
|
* Similar to {@link getCMSFields()}, but a more restricted
|
|
* set of fields which can be reliably set on any file type.
|
|
*
|
|
* Needs to be enabled through {@link AssetAdmin::$metadata_upload_enabled}
|
|
*
|
|
* @return FieldSet
|
|
*/
|
|
function uploadMetadataFields() {
|
|
$fields = new FieldSet();
|
|
$fields->push(new TextField('Title', $this->fieldLabel('Title')));
|
|
$this->extend('updateUploadMetadataFields', $fields);
|
|
|
|
return $fields;
|
|
}
|
|
|
|
}
|
|
|
|
?>
|