mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-12-27 09:09:04 +01:00
513 lines
15 KiB
PHP
513 lines
15 KiB
PHP
<?php
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/**
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* EGroupware: Admin ACL
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*
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* @link http://www.egroupware.org
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* @author Ralf Becker <rb@stylite.de>
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* @package admin
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* @copyright (c) 2013 by Ralf Becker <rb@stylite.de>
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @version $Id$
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*/
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/**
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* UI for admin ACL
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*
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* Will also be extended by preferences_acl for user ACL
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*/
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class admin_acl
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{
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/**
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* Methods callable via menuaction
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* @var array
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*/
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public $public_functions = array(
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'index' => true,
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'acl' => true,
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);
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/**
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* Reference to global acl class (instanciated for current user)
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*
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* @var acl
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*/
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protected $acl;
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/**
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* Constructor
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*/
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public function __construct()
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{
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$this->acl = $GLOBALS['egw']->acl;
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}
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/**
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* Edit or add an ACL entry
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*
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* @param array $content
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*/
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public function acl(array $content=null)
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{
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$state = (array)egw_cache::getSession(__CLASS__, 'state');
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$tpl = new etemplate_new('admin.acl.edit'); // auto-repeat of acl & label not working with etemplate_new!
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if (!is_array($content))
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{
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if (isset($_GET['id']))
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{
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list($app, $account, $location) = explode(':', $_GET['id'], 3);
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if (!($rights = $this->acl->get_specific_rights_for_account($account, $location, $app)))
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{
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egw_framework::window_close(lang('ACL entry not found!'));
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}
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}
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else
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{
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$app = !empty($_GET['app']) && isset($GLOBALS['egw_info']['apps'][$_GET['app']]) ?
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$_GET['app'] : $state['acl_appname'];
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$location = $state['filter'] == 'run' ? 'run' : null;//$state['account_id'];
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$account = $state['account_id'];//$state['filter'] == 'run' ? $state['account_id'] : $state['acl_account'];
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$rights = 1;
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}
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$content = array(
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'id' => $_GET['id'],
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'acl_appname' => $app,
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'acl_location' => $location,
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'acl_account' => $account,
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);
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if ($location == 'run')
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{
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$content['apps'] = array_keys($this->acl->get_user_applications($account, false, false)); // false: only direct rights, no memberships
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}
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}
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$acl_rights = $GLOBALS['egw']->hooks->process(array(
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'location' => 'acl_rights',
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'owner' => $content['account_id'],
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));
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if ($content['save'])
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{
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self::check_access($content['acl_account'], $content['acl_location']);
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if ($content['acl_location'] == 'run')
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{
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$this->save_run_rights($content);
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}
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else
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{
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$this->save_rights($content);
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}
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egw_framework::window_close();
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}
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if ($content['acl_location'] == 'run')
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{
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$readonlys['acl_account'] = true;
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}
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else
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{
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$content['acl'] = $content['label'] = array();
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foreach($state['filter'] == 'run' ? array(1 => 'run') : $acl_rights[$content['acl_appname']] as $right => $label)
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{
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$content['acl'][] = $rights & $right;
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$content['right'][] = $right;
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$content['label'][] = lang($label);
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}
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$sel_options['acl_appname'] = array();
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foreach(array_keys($state['filter'] == 'run' ? $GLOBALS['egw_info']['apps'] : $acl_rights) as $app)
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{
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$sel_options['acl_appname'][$app] = lang($app);
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}
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natcasesort($sel_options['acl_appname']);
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if (!empty($content['id']))
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{
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$readonlys['acl_appname'] = $readonlys['acl_account'] = $readonlys['acl_location'] = true;
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}
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else
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{
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$readonlys['acl_account'] = true;
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}
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// only user himself is allowed to grant private rights!
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if ($content['acl_account'] != $GLOBALS['egw_info']['user']['account_id'])
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{
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$readonlys['acl[5]'] = true;
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$content['preserve_rights'] = $rights & acl::PRIVAT;
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}
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else
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{
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unset($content['preserve_rights']);
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}
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}
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// view only, if no rights
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if (!self::check_access($content['acl_account'], $content['acl_location'], false))
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{
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$readonlys[__ALL__] = true;
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$readonlys['cancel'] = false;
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}
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//error_log(__METHOD__."() _GET[id]=".array2string($_GET['id'])." --> content=".array2string($content));
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$tpl->exec('admin.admin_acl.acl', $content, $sel_options, $readonlys, $content, 2);
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}
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/**
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* Save run rights and refresh opener
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*
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* @param array $content
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*/
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protected function save_run_rights(array $content)
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{
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$old_apps = array_keys($this->acl->get_user_applications($content['acl_account'], false, false));
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// add new apps
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$added_apps = array_diff($content['apps'], $old_apps);
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foreach($added_apps as $app)
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{
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$this->acl->add_repository($app, 'run', $content['acl_account'], 1);
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}
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// remove no longer checked apps
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$removed_apps = array_diff($old_apps, $content['apps']);
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$deleted_ids = array();
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foreach($removed_apps as $app)
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{
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$this->acl->delete_repository($app, 'run', $content['acl_account']);
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$deleted_ids[] = $app.':'.$content['acl_account'].':run';
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}
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//error_log(__METHOD__."() apps=".array2string($content['apps']).", old_apps=".array2string($old_apps).", added_apps=".array2string($added_apps).", removed_apps=".array2string($removed_apps));
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if (!$added_apps && !$removed_apps)
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{
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// nothing changed --> nothing to do/notify
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}
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elseif (!$old_apps)
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{
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egw_framework::refresh_opener(lang('ACL added.'), 'admin', null, 'add');
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}
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elseif (!$added_apps)
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{
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egw_framework::refresh_opener(lang('ACL deleted.'), 'admin', $deleted_ids, 'delete');
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}
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else
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{
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egw_framework::refresh_opener(lang('ACL updated.'), 'admin', null, 'edit');
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}
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}
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/**
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* Save rights and refresh opener
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*
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* @param array $content
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*/
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protected function save_rights(array $content)
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{
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// assamble rights again
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$rights = (int)$content['preserve_rights'];
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foreach($content['acl'] as $right)
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{
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$rights |= $right;
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}
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$id = !empty($content['id']) ? $content['id'] :
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$content['acl_appname'].':'.$content['acl_account'].':'.$content['acl_location'];
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//error_log(__METHOD__."() id=$id, acl=".array2string($content['acl'])." --> rights=$rights");
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if ($this->acl->get_specific_rights_for_account($content['acl_account'], $content['acl_location'], $content['acl_appname']) == $rights)
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{
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// nothing changed --> nothing to do
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}
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elseif (!$rights) // all rights removed --> delete it
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{
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$this->acl->delete_repository($content['acl_appname'], $content['acl_location'], $content['acl_account']);
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egw_framework::refresh_opener(lang('ACL deleted.'), 'admin', $id, 'delete');
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}
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else
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{
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$this->acl->add_repository($content['acl_appname'], $content['acl_location'], $content['acl_account'], $rights);
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if ($content['id'])
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{
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egw_framework::refresh_opener(lang('ACL updated.'), 'admin', $id, 'edit');
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}
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else
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{
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egw_framework::refresh_opener(lang('ACL added.'), 'admin', $id, 'add');
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}
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}
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}
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/**
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* Callback for nextmatch to fetch acl
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*
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* @param array $query
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* @param array &$rows=null
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* @return int total number of rows available
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*/
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public static function get_rows(array $query, array &$rows=null)
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{
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$so_sql = new so_sql('phpgwapi', acl::TABLE, null, '', true);
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// client queries destinct rows by their row-id
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if (isset($query['col_filter']['id']))
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{
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$query['col_filter'][] = $GLOBALS['egw']->db->concat('acl_appname',"':'",'acl_account',"':'",'acl_location').
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' IN ('.implode(',', array_map(array($GLOBALS['egw']->db, 'quote'), (array)$query['col_filter']['id'])).')';
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unset($query['col_filter']['id']);
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}
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else
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{
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$memberships = $GLOBALS['egw']->accounts->memberships($query['account_id'], true);
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$memberships[] = $query['account_id'];
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egw_cache::setSession(__CLASS__, 'state', array(
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'account_id' => $query['account_id'],
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'filter' => $query['filter'],
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'acl_appname' => $query['filter2'],
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));
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if ($GLOBALS['egw_info']['user']['preferences']['admin']['acl_filter'] != $query['filter'])
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{
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$GLOBALS['egw']->preferences->add('admin', 'acl_filter', $query['filter']);
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$GLOBALS['egw']->preferences->save_repository(false,'user',false);
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}
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switch($query['filter'])
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{
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case 'run':
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$query['col_filter']['acl_location'] = 'run';
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$query['col_filter']['acl_account'] = $memberships;
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break;
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default:
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case 'other':
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//$query['col_filter'][] = "acl_location!='run'";
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// remove everything not an account-id in location, like category based acl
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if ($GLOBALS['egw']->db->Type == 'mysql')
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{
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$query['col_filter'][] = "acl_location REGEXP '^-?[0-9]+$'";
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}
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else
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{
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$query['col_filter'][] = "acl_location SIMILAR TO '-?[0-9]+'";
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}
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// get apps not using group-acl (eg. Addressbook) or using it only partialy (eg. InfoLog)
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$not_enum_group_acls = $GLOBALS['egw']->hooks->process('not_enum_group_acls', array(), true);
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//error_log(__METHOD__."(filter=$query[filter]) not_enum_group_acl=".array2string($not_enum_group_acls));
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if ($not_enum_group_acls)
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{
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$sql = '(CASE acl_appname';
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foreach($not_enum_group_acls as $app => $groups)
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{
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if ($groups === true)
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{
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$check = $query['account_id'];
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}
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else
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{
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$check = array_diff($memberships, $groups);
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//error_log(__METHOD__."() app=$app, array_diff(memberships=".array2string($memberships).", groups=".array2string($groups).")=".array2string($check));
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if (!$check) continue; // would give sql error otherwise!
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}
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$sql .= ' WHEN '.$GLOBALS['egw']->db->quote($app).' THEN '.$GLOBALS['egw']->db->expression(acl::TABLE, array(
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'acl_account' => $check,
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));
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}
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$sql .= ' ELSE ';
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}
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$sql .= $GLOBALS['egw']->db->expression(acl::TABLE, array(
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'acl_account' => $memberships,
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));
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if ($not_enum_group_acls) $sql .= ' END)';
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$query['col_filter'][] = $sql;
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break;
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case 'own':
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$query['col_filter']['acl_location'] = $memberships;
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break;
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}
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// do NOT list group-memberships and other non-ACL stuff here
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$query['col_filter']['acl_appname'] = $query['filter2'];
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if (empty($query['col_filter']['acl_appname']) && $query['filter'] != 'run')
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{
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//$query['col_filter'][] = "NOT acl_appname IN ('phpgw_group','sqlfs')";
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$query['col_filter']['acl_appname'] = array_keys($query['acl_rights']);
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}
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}
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$readonlys = array();
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$total = $so_sql->get_rows($query, $rows, $readonlys);
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foreach($rows as &$row)
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{
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// generate a row-id
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$row['id'] = $row['acl_appname'].':'.$row['acl_account'].':'.$row['acl_location'];
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if ($row['acl_location'] == 'run')
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{
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$row['acl1'] = lang('run');
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}
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else
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{
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if ($app !== $row['acl_appname']) translation::add_app($row['app_name']);
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foreach($query['acl_rights'][$row['acl_appname']] as $val => $label)
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{
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if ($row['acl_rights'] & $val)
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{
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$row['acl'.$val] = lang($label);
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}
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}
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}
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if (!self::check_access($row['acl_account'], $row['acl_location'], false)) // false: do NOT throw an exception!
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{
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$row['class'] = 'rowNoEdit';
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}
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//error_log(__METHOD__."() $n: ".array2string($row));
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}
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//error_log(__METHOD__."(".array2string($query).") returning ".$total);
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return $total;
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}
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/**
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* Check if current user has access to ACL setting of a given location
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*
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* @param int $account_id numeric account-id
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* @param int|string $location=null numeric account-id or "run"
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* @param boolean $throw=true if true, throw an exception if no access, instead of just returning false
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* @return boolean true if access is granted, false if notification_bo
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* @throws egw_exception_no_permission
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*/
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public static function check_access($account_id, $location=null, $throw=true)
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{
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static $admin_access=null;
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static $own_access=null;
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if (is_null($admin_access))
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{
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$admin_access = isset($GLOBALS['egw_info']['user']['apps']['admin']) &&
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!$GLOBALS['egw']->acl->check('account_access', 64, 'admin'); // ! because this denies access!
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$own_access = $admin_access || isset($GLOBALS['egw_info']['user']['apps']['preferences']);
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}
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if (!($location === 'run' || (int)$account_id) ||
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!((int)$account_id == (int)$GLOBALS['egw_info']['user']['account_id'] ? $own_access : $admin_access))
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{
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if ($throw) throw new egw_exception_no_permission(lang('Permission denied!!!'));
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return false;
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}
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return true;
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}
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/**
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* Change (add, modify, delete) an ACL entry
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*
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* Checks access and throws an exception, if a change is attempted without proper access
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*
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* @param string|array $ids "$app:$account:$location" string used as row-id in list
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* @param int $rights=null null to delete, or new rights
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* @throws egw_exception_no_permission
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*/
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public static function ajax_change_acl($ids, $rights=null)
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{
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foreach((array)$ids as $id)
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{
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list($app, $account_id, $location) = explode(':', $id, 3);
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self::check_access($account_id, $location); // throws exception, if no rights
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$acl = $GLOBALS['egw']->acl;
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if (!(int)$rights) // this also handles taking away all rights as delete
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{
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$acl->delete_repository($app, $location, $account_id);
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}
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else
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{
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$acl->add_repository($app, $location, $account_id, $rights);
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}
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}
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if (!(int)$rights)
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{
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if (count(ids) > 1)
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{
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$msg = lang('%1 ACL entries deleted.', count($ids));
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}
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else
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{
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$msg = lang('ACL entry deleted.');
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}
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}
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else
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{
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$msg = lang('ACL updated');
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}
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egw_json_response::get()->data(array(
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'msg' => $msg,
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'ids' => $ids,
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'type' => !(int)$rights ? 'delete' : 'add',
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));
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}
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/**
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* New index page
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*
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* @param array $content
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*/
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public function index(array $content=null)
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{
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$tpl = new etemplate_new('admin.acl');
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$content = array();
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$account_id = isset($_GET['account_id']) && (int)$_GET['account_id'] ?
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(int)$_GET['account_id'] : $GLOBALS['egw_info']['user']['account_id'];
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$content['nm'] = array(
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'get_rows' => 'admin_acl::get_rows',
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'no_cat' => true,
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'filter' => !empty($_GET['acl_filter']) ? $_GET['acl_filter'] :
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($GLOBALS['egw_info']['flags']['currentapp'] != 'admin' ? 'other' :
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$GLOBALS['egw_info']['user']['preferences']['admin']['acl_filter']),
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'filter2' => !empty($_GET['acl_app']) ? $_GET['acl_app'] : '',
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'lettersearch' => false,
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'header_row' => 'admin.acl.add',
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'order' => 'acl_appname',
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'sort' => 'ASC',
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'row_id' => 'id',
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'account_id' => $account_id,
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'actions' => self::get_actions(),
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'acl_rights' => $GLOBALS['egw']->hooks->process(array(
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'location' => 'acl_rights',
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'owner' => $account_id,
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), array(), true),
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);
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$user = common::grab_owner_name($content['nm']['account_id']);
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$sel_options = array(
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'filter' => array(
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'other' => lang('Access to %1 data by others', $user),
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'own' => lang('%1 access to other data', $user),
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'run' => lang('%1 run rights for applications', $user),
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),
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'filter2' => array(
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'' => lang('All applications'),
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)+etemplate_widget_menupopup::app_options('enabled'),
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);
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$tpl->exec('admin.admin_acl.index', $content, $sel_options);
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}
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/**
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* Get actions for ACL
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*
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* @return array
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*/
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static function get_actions()
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{
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return array(
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'edit' => array(
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'caption' => 'Edit',
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'default' => true,
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'allowOnMultiple' => false,
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'onExecute' => 'javaScript:app.admin.acl',
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),
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'add' => array(
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'caption' => 'Add',
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'onExecute' => 'javaScript:app.admin.acl',
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),
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'delete' => array(
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'confirm' => 'Delete this access control',
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'caption' => 'Delete',
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'disableClass' => 'rowNoEdit',
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'onExecute' => 'javaScript:app.admin.acl',
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),
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);
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}
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}
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