egroupware_official/filemanager/inc/class.filemanager_admin.inc.php

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<?php
/**
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* EGroupware Filemanager: mounting GUI
*
* @link http://www.egroupware.org/
* @package filemanager
* @author Ralf Becker <rb-AT-stylite.de>
* @copyright (c) 2010-16 by Ralf Becker <rb-AT-stylite.de>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @version $Id$
*/
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use EGroupware\Api;
use EGroupware\Api\Framework;
use EGroupware\Api\Etemplate;
use EGroupware\Stylite\Vfs\Versioning;
use EGroupware\Api\Vfs;
/**
* Filemanager: mounting GUI
*/
class filemanager_admin extends filemanager_ui
{
/**
* Functions callable via menuaction
*
* @var array
*/
public $public_functions = array(
'index' => true,
'fsck' => true,
);
/**
* Autheticated user is setup config user
*
* @var boolean
*/
static protected $is_setup = false;
/**
* Do we have versioning (Versioning\StreamWrapper class) available and with which schema
*
* @var string
*/
protected $versioning;
/**
* Do not allow to (un)mount these
*
* @var array
*/
protected static $protected_path = array('/apps', '/templates');
/**
* Constructor
*/
function __construct()
{
// make sure user has admin rights
if (!isset($GLOBALS['egw_info']['user']['apps']['admin']))
{
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throw new Api\Exception\NoPermission\Admin();
}
// sudo handling
parent::__construct();
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self::$is_setup = Api\Cache::getSession('filemanager', 'is_setup');
if (class_exists('EGroupware\Stylite\Vfs\Versioning\StreamWrapper'))
{
$this->versioning = Versioning\StreamWrapper::SCHEME;
}
}
/**
* Mount GUI
*
* @param array $content=null
* @param string $msg=''
*/
public function index(array $content=null, $msg='', $msg_type=null)
{
if (is_array($content))
{
//_debug_array($content);
if ($content['sudo'])
{
$msg = $this->sudo($content['user'],$content['password'],self::$is_setup) ?
lang('Root access granted.') : lang('Wrong username or password!');
$msg_type = Vfs::$is_root ? 'success' : 'error';
}
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elseif ($content['etemplates'] && $GLOBALS['egw_info']['user']['apps']['admin'])
{
$path = '/etemplates';
$url = 'stylite.merge://default/etemplates?merge=.&lang=0&level=1&extension=xet&url=egw';
$backup = Vfs::$is_root;
Vfs::$is_root = true;
Vfs::mkdir($path);
Vfs::chgrp($path, 'Admins');
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Vfs::chmod($path, 075);
$msg = Vfs::mount($url, $path) ?
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lang('Successful mounted %1 on %2.',$url,$path) : lang('Error mounting %1 on %2!',$url,$path);
Vfs::$is_root = $backup;
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}
elseif (Vfs::$is_root)
{
if ($content['logout'])
{
$msg = $this->sudo('','',self::$is_setup) ? 'Logout failed!' : lang('Root access stopped.');
$msg_type = !Vfs::$is_root ? 'success' : 'error';
}
if ($content['mounts']['disable'] || self::$is_setup && $content['mounts']['umount'])
{
if (($unmount = $content['mounts']['umount']))
{
list($path) = @each($content['mounts']['umount']);
}
else
{
list($path) = @each($content['mounts']['disable']);
}
if (!in_array($path, self::$protected_path) && $path != '/')
{
$msg = Vfs::umount($path) ?
lang('%1 successful unmounted.',$path) : lang('Error unmounting %1!',$path);
}
else // re-mount / with sqlFS, to disable versioning
{
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$msg = Vfs::mount($url=Vfs\Sqlfs\StreamWrapper::SCHEME.'://default'.$path,$path) ?
lang('Successful mounted %1 on %2.',$url,$path) : lang('Error mounting %1 on %2!',$url,$path);
}
}
if (($path = $content['mounts']['path']) &&
($content['mounts']['enable'] || self::$is_setup && $content['mounts']['mount']))
{
$url = str_replace('$path',$path,$content['mounts']['url']);
if (empty($url) && $this->versioning) $url = Versioning\StreamWrapper::PREFIX.$path;
if ($content['mounts']['enable'] && !$this->versioning)
{
$msg = lang('Versioning requires <a href="http://www.egroupware.org/products">Stylite EGroupware Enterprise Line (EPL)</a>!');
$msg_type = 'info';
}
elseif (!Vfs::file_exists($path) || !Vfs::is_dir($path))
{
$msg = lang('Path %1 not found or not a directory!',$path);
$msg_type = 'error';
}
// dont allow to change mount of /apps or /templates (eg. switching on versioning)
elseif (in_array($path, self::$protected_path))
{
$msg = lang('Permission denied!');
$msg_type = 'error';
}
else
{
$msg = Vfs::mount($url,$path) ?
lang('Successful mounted %1 on %2.',$url,$path) : lang('Error mounting %1 on %2!',$url,$path);
}
}
if ($content['allow_delete_versions'] != $GLOBALS['egw_info']['server']['allow_delete_versions'])
{
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Api\Config::save_value('allow_delete_versions', $content['allow_delete_versions'], 'phpgwapi');
$GLOBALS['egw_info']['server']['allow_delete_versions'] = $content['allow_delete_versions'];
$msg = lang('Configuration changed.');
}
}
// delete old versions and deleted files
if ($content['delete-versions'])
{
if (!Versioning\StreamWrapper::check_delete_version(null))
{
$msg = lang('Permission denied')."\n\n".lang('You are NOT allowed to finally delete older versions and deleted files!');
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$msg_type = 'error';
}
else
{
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// we need to be root to delete files independent of permissions and ownership
Vfs::$is_root = true;
if (!Vfs::file_exists($content['versionedpath']) || !Vfs::is_dir($content['versionedpath']))
{
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$msg = lang('Directory "%1" NOT found!', $content['versionedpath']);
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$msg_type = 'error';
}
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else
{
@set_time_limit(0);
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$starttime = microtime(true);
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$deleted = $errors = 0;
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// shortcut to efficently delete every old version and deleted file
if ($content['versionedpath'] == '/')
{
$deleted = Versioning\StreamWrapper::purge_all_versioning($content['mtime']);
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}
else
{
Vfs::find($content['versionedpath'], array(
'show-deleted' => true,
'hidden' => true,
'depth' => true,
'path_preg' => '#/\.(attic|versions)/#',
)+(!(int)$content['mtime'] ? array() : array(
'mtime' => ($content['mtime']<0?'-':'+').(int)$content['mtime'],
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)), function($path) use (&$deleted, &$errors)
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{
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if (($is_dir = Vfs::is_dir($path)) && Vfs::rmdir($path) ||
!$is_dir && Vfs::unlink($path))
{
++$deleted;
}
else
{
++$errors;
}
});
}
$time = number_format(microtime(true)-$starttime, 1);
$msg = ($errors ? lang('%1 errors deleting!', $errors)."\n\n" : '').
lang('%1 files or directories deleted in %2 seconds.', $deleted, $time);
$msg_type = $errors ? 'error' : 'info';
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}
Vfs::$is_root = false;
}
}
}
else
{
// defaults for deleting of older versions
$content['versionedpath'] = '/';
$content['mtime'] = 100;
}
if (true) $content = array(
'versionedpath' => $content['versionedpath'],
'mtime' => $content['mtime'],
);
if ($this->versioning)
{
// statistical information
$content += Versioning\StreamWrapper::summary();
if ($content['total_files']) $content['percent_files'] = number_format(100.0*$content['version_files']/$content['total_files'],1).'%';
if ($content['total_size']) $content['percent_size'] = number_format(100.0*$content['version_size']/$content['total_size'],1).'%';
}
if (!($content['is_root']=Vfs::$is_root))
{
if (empty($msg))
{
$msg = lang('You need to become root, to enable or disable versioning on a directory!');
$msg_type = 'info';
}
$readonlys['logout'] = $readonlys['enable'] = $readonlys['allow_delete_versions'] = true;
}
$content['is_setup'] = self::$is_setup;
$content['versioning'] = $this->versioning;
$content['allow_delete_versions'] = $GLOBALS['egw_info']['server']['allow_delete_versions'];
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Framework::message($msg, $msg_type);
$n = 2;
$content['mounts'] = array();
foreach(Vfs::mount() as $path => $url)
{
$content['mounts'][$n++] = array(
'path' => $path,
'url' => $url,
);
$readonlys["disable[$path]"] = !$this->versioning || !Vfs::$is_root ||
Vfs::parse_url($url,PHP_URL_SCHEME) != $this->versioning;
}
$readonlys['umount[/]'] = $readonlys['umount[/apps]'] = true; // do not allow to unmount / or /apps
$readonlys['url'] = !self::$is_setup;
$sel_options['allow_delete_versions'] = array(
'root' => lang('Superuser (root)'),
'admins' => lang('Administrators'),
'everyone' => lang('Everyone'),
);
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// show [Mount /etemplates] button for admin, if not already mounted and available
$readonlys['etemplates'] = !class_exists('\EGroupware\Stylite\Vfs\Merge\StreamWrapper') ||
($fs_tab=Vfs::mount($url)) && isset($fs_tab['/etemplates']) ||
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!isset($GLOBALS['egw_info']['user']['apps']['admin']);
//_debug_array($content);
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$tpl = new Etemplate('filemanager.admin');
$GLOBALS['egw_info']['flags']['app_header'] = lang('VFS mounts and versioning');
$tpl->exec('filemanager.filemanager_admin.index',$content,$sel_options,$readonlys);
}
/**
* Run fsck on sqlfs
*/
function fsck()
{
if ($_POST['cancel'])
{
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Framework::redirect_link('/admin/index.php', null, 'admin');
}
$check_only = !isset($_POST['fix']);
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if (!($msgs = Vfs\Sqlfs\Utils::fsck($check_only)))
{
$msgs = lang('Filesystem check reported no problems.');
}
$content = '<p>'.implode("</p>\n<p>", (array)$msgs)."</p>\n";
$content .= Api\Html::form('<p>'.($check_only&&is_array($msgs) ?
Api\Html::submit_button('fix', lang('Fix reported problems')) : '').
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Api\Html::submit_button('cancel', lang('Cancel')).'</p>',
'','/index.php',array('menuaction'=>'filemanager.filemanager_admin.fsck'));
$GLOBALS['egw']->framework->render($content, lang('Admin').' - '.lang('Check virtual filesystem'), true);
}
}