forked from extern/egroupware
270 lines
7.0 KiB
PHP
Executable File
270 lines
7.0 KiB
PHP
Executable File
<?php
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/**
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* EGroupWare - resources
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*
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* @license http://www.gnu.org/licenses/gpl.html GNU General Public License
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* @package resources
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* @link http://www.egroupware.org
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* @version $Id$
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*/
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/**
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* ACL business object for resources
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*
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* Category rights and admins get inherited from parent categories.
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* Current rights and the ones inherited from parents get ORed together,
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* while for admins the "closest" cat-admin will be used.
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*/
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class bo_acl
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{
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var $acl;
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var $start = 0;
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var $query = '';
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var $sort = '';
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var $total = 0;
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var $cats;
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var $debug;
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var $use_session = False;
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/**
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* Instance of categories class for resources
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*
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* @var categories
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*/
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var $egw_cats;
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/**
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* Constructor
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*
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* @param boolean $session
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*/
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function __construct($session=False)
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{
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define('EGW_ACL_CAT_ADMIN',64);
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define('EGW_ACL_DIRECT_BOOKING',128);
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define('EGW_ACL_CALREAD',256);
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$this->egw_cats = new categories('','resources');
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$this->debug = False;
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//all this is only needed when called from uiacl.
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if($session)
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{
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$this->read_sessiondata();
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$this->use_session = True;
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foreach(array('start','query','sort','order') as $var)
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{
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if (isset($_POST[$var]))
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{
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$this->$var = $_POST[$var];
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}
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elseif (isset($_GET[$var]))
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{
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$this->$var = $_GET[$var];
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}
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}
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$this->save_sessiondata();
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$this->cats = $this->egw_cats->return_sorted_array(0,false,'','','',true);
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}
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}
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/**
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* PHP4 constructor
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*
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* @param boolean $session
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* @deprecated use __construct()
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* @return bo_acl
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*/
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function bo_acl($session=False)
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{
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self::__construct($session);
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}
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/**
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* get list of cats where current user has given rights
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*
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* @author Cornelius Weiss <egw@von-und-zu-weiss.de>
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* @param int $perm_type one of EGW_ACL_READ, EGW_ACL_ADD, EGW_ACL_EDIT, EGW_ACL_DELETE, EGW_ACL_DIRECT_BOOKING
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* @param int $parent_id=0 cat_id of parent to return only children of that category
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* @return array cat_id => cat_name
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* TODO mark subcats and so on!
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*/
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function get_cats($perm_type,$parent_id=0)
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{
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$cats = $this->egw_cats->return_sorted_array(0,false,'','','',true,$parent_id);
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#_debug_array($cats);
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if (!is_array($cats)) $cats = array();
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foreach($cats as $key=>$cat) {
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#echo "key:$key"._debug_array($value)."<br>";
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#_debug_array($cat)."hier<br>";
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if($this->is_permitted($cat['id'],$perm_type))
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{
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$s = str_repeat(' ',$cat['level']) . stripslashes($cat['name']);
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if ($cat['app_name'] == 'phpgw' || $cat['owner'] == '-1')
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{
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$s .= ' ♦';
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}
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$perm_cats[$cat['id']] = $s;
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}
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}
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return isset($perm_cats)?$perm_cats:array();
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}
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/**
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* gets name of category
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*
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* @author Lukas Weiss <wnz.gh05t@users.sourceforge.net>
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* @param int $cat_id
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* @return mixed name of category
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*/
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static public function get_cat_name($cat_id)
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{
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return $GLOBALS['egw']->categories->id2name($cat_id);
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}
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/**
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* gets userid of admin for given category
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*
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* @author Cornelius Weiss <egw@von-und-zu-weiss.de>
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* @param int $cat_id
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* @return int userid of cat admin
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*/
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static public function get_cat_admin($cat_id)
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{
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$cat_rights = self::get_rights($cat_id);
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foreach ($cat_rights as $userid => $right)
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{
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if ($right & EGW_ACL_CAT_ADMIN)
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{
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return $userid;
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}
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}
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// check for an inherited cat admin
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if (($parent = $GLOBALS['egw']->categories->id2name($cat_id,'parent')))
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{
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return self::get_cat_admin($parent);
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}
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return lang('none');
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}
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/**
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* Permissions including inherited ones
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*
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* @var array cat_id => rights
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*/
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static private $permissions;
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static private $resource_acl;
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/**
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* Get permissions of current user on a given category
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*
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* @param int $cat_id
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* @return int
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*/
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static public function get_permissions($cat_id)
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{
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if (!isset(self::$permissions[$cat_id]))
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{
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if (is_null(self::$resource_acl))
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{
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self::$resource_acl = $GLOBALS['egw']->acl->get_all_location_rights($GLOBALS['egw_info']['user']['account_id'],'resources',true);
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}
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self::$permissions[$cat_id] = (int)self::$resource_acl['L'.$cat_id];
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if (($parent = $GLOBALS['egw']->categories->id2name($cat_id,'parent')))
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{
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self::$permissions[$cat_id] |= self::get_permissions($parent);
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}
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}
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//echo "<p>".__METHOD__."($cat_id) = ".self::$permissions[$cat_id]."</p>\n";
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return self::$permissions[$cat_id];
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}
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/**
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* checks one of the following rights for current user:
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*
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* EGW_ACL_READ, EGW_ACL_ADD, EGW_ACL_EDIT, EGW_ACL_DELETE, EGW_ACL_DIRECT_BOOKING
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*
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* @param int $cat_id
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* @param int $right
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* @return boolean user is permitted or not for right
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*/
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static public function is_permitted($cat_id,$right)
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{
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if (!isset(self::$permissions[$cat_id]))
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{
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self::get_permissions($cat_id);
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}
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//echo "<p>".__METHOD__."($cat_id,$right) = ".self::$permissions[$cat_id]." & $right = ".(self::$permissions[$cat_id] & $right)."</p>\n";
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return (boolean) (self::$permissions[$cat_id] & $right);
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}
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/**
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* gets all rights from all user for given cat
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*
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* @param int $cat_id
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* @return array userid => right
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*/
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static public function get_rights($cat_id)
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{
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return $GLOBALS['egw']->acl->get_all_rights('L'.$cat_id,'resources');
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}
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// privat functions from here on -------------------------------------------------------------------------
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function save_sessiondata()
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{
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$data = array(
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'start' => $this->start,
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'query' => $this->query,
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'sort' => $this->sort,
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'order' => $this->order,
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'limit' => $this->limit,
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);
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if($this->debug) { echo '<br>Read:'; _debug_array($data); }
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$GLOBALS['egw']->session->appsession('session_data','resources_acl',$data);
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}
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function read_sessiondata()
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{
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$data = $GLOBALS['egw']->session->appsession('session_data','resources_acl');
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if($this->debug) { echo '<br>Read:'; _debug_array($data); }
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$this->start = $data['start'];
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$this->query = $data['query'];
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$this->sort = $data['sort'];
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$this->order = $data['order'];
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$this->limit = $data['limit'];
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}
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function set_rights($cat_id,$read,$write,$calread,$calbook,$admin)
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{
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// Clear cache
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unset(self::$permissions[$cat_id]);
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$readcat = $read ? $read : array();
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$writecat = $write ? $write : array();
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$calreadcat = $calread ? $calread : array();
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$calbookcat = $calbook ? $calbook : array();
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$admincat = $admin ? $admin : array();
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$GLOBALS['egw']->acl->delete_repository('resources','L' . $cat_id,false);
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foreach($GLOBALS['egw']->accounts->get_list() as $num => $account)
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{
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$account_id = $account['account_id'];
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$rights = false;
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$rights = in_array($account_id,$readcat) ? ($rights | EGW_ACL_READ) : false;
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$rights = in_array($account_id,$writecat) ? ($rights | EGW_ACL_READ | EGW_ACL_ADD | EGW_ACL_EDIT | EGW_ACL_DELETE): $rights;
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$rights = in_array($account_id,$calreadcat) ? ($rights | EGW_ACL_CALREAD) : $rights;
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$rights = in_array($account_id,$calbookcat) ? ($rights | EGW_ACL_DIRECT_BOOKING | EGW_ACL_CALREAD) : $rights;
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$rights = in_array($account_id,$admincat) ? ($rights = 511) : $rights;
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if ($rights)
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{
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$GLOBALS['egw']->acl->add_repository('resources','L'.$cat_id,$account_id,$rights);
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}
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}
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}
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}
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