mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-12-23 15:18:58 +01:00
327 lines
9.6 KiB
PHP
327 lines
9.6 KiB
PHP
<?php
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/**
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* EGroupware - eTemplate serverside vfs widget
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link http://www.egroupware.org
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* @author Nathan Gray
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* @copyright 2011 Nathan Gray
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* @version $Id$
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*/
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/**
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* eTemplate VFS widget
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* Deals with the Virtual File System
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*/
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class etemplate_widget_vfs extends etemplate_widget_file
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{
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// Legacy option for vfs-upload
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protected $legacy_options = "mime";
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public function __construct($xml='') {
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if($xml) parent::__construct($xml);
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}
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/**
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* If widget is a vfs-file widget, and there are files in the specified directory,
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* they should be displayed.
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*/
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public function beforeSendToClient($cname, $expand = array())
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{
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if($this->type == 'vfs-upload' || $this->attrs['type'] == 'vfs-upload')
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{
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$form_name = self::form_name($cname, $this->id, $expand ? $expand : array('cont'=>self::$request->content));
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if($this->attrs['path'])
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{
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$path = $this->attrs['path'];
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}
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else
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{
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$path = $this->id;
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}
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$this->setElementAttribute($form_name, 'path', $path);
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// ID maps to path - check there for any existing files
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list($app,$id,$relpath) = explode(':',$path,3);
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if($app && $id)
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{
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if(!is_numeric($id))
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{
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$_id = self::expand_name($id,0,0,0,0,self::$request->content);
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if($_id != $id)
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{
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$id = $_id;
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$form_name = "$app:$id:$relpath";
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}
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}
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$value =& self::get_array(self::$request->content, $form_name, true);
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$path = egw_link::vfs_path($app,$id,'',true);
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if (!empty($relpath)) $path .= '/'.$relpath;
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if (true) $value = array();
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// Single file, already existing
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if (substr($path,-1) != '/' && egw_vfs::file_exists($path) && !egw_vfs::is_dir($path))
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{
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$file = egw_vfs::stat($path);
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$file['path'] = $path;
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$file['name'] = egw_vfs::basename($file['path']);
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$file['mime'] = egw_vfs::mime_content_type($file['path']);
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$value = array($file);
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}
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// Single file, missing extension in path
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else if (substr($path, -1) != '/' && !egw_vfs::file_exists($path) && $relpath && substr($relpath,-4,1) !== '.')
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{
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$find = egw_vfs::find(substr($path,0, - strlen($relpath)), array(
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'type' => 'f',
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'maxdepth' => 1,
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'name' => $relpath . '*'
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));
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foreach($find as $file)
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{
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$file_info = egw_vfs::stat($file);
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$file_info['path'] = $file;
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$file_info['name'] = egw_vfs::basename($file_info['path']);
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$file_info['mime'] = egw_vfs::mime_content_type($file_info['path']);
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$value[] = $file_info;
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}
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}
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else if (substr($path, -1) == '/' && egw_vfs::is_dir($path))
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{
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$scan = egw_vfs::scandir($path);
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foreach($scan as $file)
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{
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$file_info = egw_vfs::stat("$path$file");
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$file_info['path'] = "$path$file";
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$file_info['name'] = egw_vfs::basename($file_info['path']);
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$file_info['mime'] = egw_vfs::mime_content_type($file_info['path']);
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$value[] = $file_info;
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}
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}
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}
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}
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}
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public static function ajax_upload()
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{
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parent::ajax_upload();
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foreach($_FILES as $file)
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{
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self::store_file($_REQUEST['path'] ? $_REQUEST['path'] : $_REQUEST['widget_id'], $file);
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}
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}
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/**
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* Upload via dragging images into ckeditor
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*/
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public static function ajax_htmlarea_upload()
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{
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$request_id = urldecode($_REQUEST['request_id']);
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$widget_id = $_REQUEST['widget_id'];
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if(!self::$request = etemplate_request::read($request_id))
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{
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$error = lang("Could not read session");
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}
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elseif (!($template = etemplate_widget_template::instance(self::$request->template['name'], self::$request->template['template_set'],
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self::$request->template['version'], self::$request->template['load_via'])))
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{
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// Can't use callback
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$error = lang("Could not get template for file upload, callback skipped");
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}
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elseif (!isset($_FILES['upload']))
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{
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$error = lang('No _FILES[upload] found!');
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}
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else
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{
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$data = self::$request->content[$widget_id];
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$path = self::store_file($path = self::get_vfs_path($data['to_app'].':'.$data['to_id']).'/', $_FILES['upload']);
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// store temp. vfs-path like links to be able to move it to correct location after entry is stored
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if (!$data['to_id'] || is_array($data['to_id']))
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{
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egw_link::link($data['to_app'], $data['to_id'], egw_link::VFS_APPNAME, array(
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'name' => $_FILES['upload']['name'],
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'type' => $_FILES['upload']['type'],
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'tmp_name' => egw_vfs::PREFIX.$path,
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));
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self::$request->content = array_merge(self::$request->content, array($widget_id => $data));
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}
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}
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// switch regular JSON response handling off
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egw_json_request::isJSONRequest(false);
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$file = array(
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"uploaded" => (int)empty($error),
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"fileName" => html::htmlspecialchars($_FILES['upload']['name']),
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"url" => egw::link(egw_vfs::download_url($path)),
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"error" => array(
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"message" => $error,
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)
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);
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header('Content-Type: application/json; charset=utf-8');
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echo json_encode($file);
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common::egw_exit();
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}
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/**
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* Fix source/url of dragged in images in html
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*
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* @param string $app
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* @param int|string $id
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* @param array $links
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* @param string& $html
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* @return boolean true if something was fixed and $html needs to be stored
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*/
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static function fix_html_dragins($app, $id, array $links, &$html)
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{
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$replace = $remove_dir = array();
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foreach($links as $link)
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{
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$matches = null;
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if (is_array($link) && preg_match('|^'.preg_quote(egw_vfs::PREFIX,'|').'('.preg_quote(self::get_temp_dir($app, ''), '|').'[^/]+)/|', $link['id']['tmp_name'], $matches))
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{
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$replace[substr($link['id']['tmp_name'], strlen(egw_vfs::PREFIX))] =
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egw_link::vfs_path($app, $id, egw_vfs::basename($link['id']['tmp_name']), true);
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if (!in_array($matches[1], $remove_dir)) $remove_dir[] = $matches[1];
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}
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}
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if ($replace)
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{
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$html = strtr($old = $html, $replace);
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// remove all dirs
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foreach($remove_dir as $dir)
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{
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egw_vfs::remove($dir);
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}
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}
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return isset($old) && $old != $html;
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}
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/**
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* Generate a temp. directory for htmlarea uploads: /home/$user/.tmp/$app_$postfix
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*
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* @param string $app app-name
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* @param string $postfix =null default random id
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* @return string vfs path
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*/
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static function get_temp_dir($app, $postfix=null)
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{
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if (!isset($postfix)) $postfix = md5(time().session_id());
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return '/home/'.$GLOBALS['egw_info']['user']['account_lid'].'/.tmp/'.$app.'_'.$postfix;
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}
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/**
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* Ajax callback to receive an incoming file
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*
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* The incoming file is automatically placed into the appropriate VFS location.
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* If the entry is not yet created, the file information is stored into the widget's value.
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* When the form is submitted, the information for all files uploaded is available in the returned
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* $content array and the application should deal with the file.
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*/
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public static function store_file($path, $file)
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{
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$name = $_REQUEST['widget_id'];
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// Find real path
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if($path[0] != '/')
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{
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$path = self::get_vfs_path($path);
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}
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$filename = $file['name'];
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if (substr($path,-1) != '/')
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{
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// add extension to path
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$parts = explode('.',$filename);
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if (($extension = array_pop($parts)) && mime_magic::ext2mime($extension)) // really an extension --> add it to path
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{
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$path .= '.'.$extension;
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}
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}
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else // multiple upload with dir given (trailing slash)
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{
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$path .= egw_vfs::encodePathComponent($filename);
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}
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if (!egw_vfs::file_exists($dir = egw_vfs::dirname($path)) && !egw_vfs::mkdir($dir,null,STREAM_MKDIR_RECURSIVE))
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{
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self::set_validation_error($name,lang('Error create parent directory %1!',egw_vfs::decodePath($dir)));
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return false;
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}
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if (!copy($file['tmp_name'],egw_vfs::PREFIX.$path))
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{
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self::set_validation_error($name,lang('Error copying uploaded file to vfs!'));
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return false;
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}
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// Try to remove temp file
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unlink($file['tmp_name']);
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return $path;
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}
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/**
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* Validate input
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* Merge any already uploaded files into the content array
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*
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* @param string $cname current namespace
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* @param array $expand values for keys 'c', 'row', 'c_', 'row_', 'cont'
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* @param array $content
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* @param array &$validated=array() validated content
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*/
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public function validate($cname, array $expand, array $content, &$validated=array())
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{
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// do not validate, as it would overwrite preserved values with null!
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if (in_array($this->type, array('vfs-size', 'vfs-uid', 'vfs-gid', 'vfs', 'vfs-mime')))
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{
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return;
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}
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$form_name = self::form_name($cname, $this->id, $expand);
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$value = $value_in = self::get_array($content, $form_name);
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$valid =& self::get_array($validated, $form_name, true);
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switch($this->type)
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{
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case 'vfs-upload':
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if(!is_array($value)) $value = array();
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/* Check & skip files that made it asyncronously
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list($app,$id,$relpath) = explode(':',$this->id,3);
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//...
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foreach($value as $tmp => $file)
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{
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if(egw_vfs::file_exists(self::get_vfs_path($id) . $relpath)) {}
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}*/
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parent::validate($cname, $content, $validated);
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break;
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}
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if (true) $valid = $value;
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}
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/**
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* Change an ID like app:id:relative/path to an actual VFS location
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*/
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public static function get_vfs_path($path)
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{
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list($app,$id,$relpath) = explode(':',$path,3);
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if (empty($id) || $id == 'undefined')
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{
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static $tmppath = array(); // static var, so all vfs-uploads get created in the same temporary dir
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if (!isset($tmppath[$app])) $tmppath[$app] = self::get_temp_dir ($app);
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$path = $tmppath[$app];
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}
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else
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{
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$path = egw_link::vfs_path($app,$id,'',true);
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}
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if (!empty($relpath)) $path .= '/'.$relpath;
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return $path;
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}
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}
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etemplate_widget::registerWidget('etemplate_widget_vfs', array('vfs-upload'));
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