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new method check_perms for categories class

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Christian Binder 2009-11-18 07:42:14 +00:00
parent 14770c3689
commit cdd50f6b55
1 changed files with 58 additions and 12 deletions
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70
phpgwapi/inc/class.categories.inc.php
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@ -133,7 +133,7 @@ class categories
* @param string $query='' query-pattern
* @param string $sort='ASC' sort order, defaults to 'ASC'
* @param string $order='' order by, default cat_main, cat_level, cat_name ASC
* @param boolean $globals includes the global egroupware categories or not
* @param boolean $globals include the global egroupware categories or not
* @param array|int $parent_id=null return only subcats of $parent_id(s)
* @param int $lastmod = -1 if > 0 return only cats modified since then
* @param string $column='' if column-name given only that column is returned, not the full array with all cat-data
@ -143,12 +143,6 @@ class categories
function return_array($type='all', $start=0, $limit=true, $query='', $sort='ASC',$order='',$globals=false, $parent_id=null, $lastmod=-1, $column='', $filter=null)
{
//error_log(__METHOD__."($type,$start,$limit,$query,$sort,$order,globals=$globals,parent=".array2string($parent_id).",$lastmod,$column) account_id=$this->account_id, appname=$this->app_name: ".function_backtrace());
// load the grants
if ($this->account_id != -1 && is_null($this->grants))
{
$this->grants = $GLOBALS['egw']->acl->get_grants($this->app_name);
}
$cats = array();
foreach(self::$cache as $cat_id => $cat)
{
@ -194,13 +188,18 @@ class categories
// check if certain parent required
if ($parent_id && !in_array($cat['parent'],(array)$parent_id)) continue;
// apply standard acl / grants: return only application global cats (if $globals) or
if (!($globals && $cat['appname'] == 'phpgw' ||
$cat['appname'] == $this->app_name && ($cat['owner'] == -1 || $cat['owner'] == $this->account_id ||
$this->account_id != -1 && $cat['access'] == 'public' && $this->grants && isset($this->grants[$cat['owner']]))))
// return global categories just if $globals is set
if (!$globals && $cat['appname'] == 'phpgw')
{
continue;
}
// check for read permission
if(!$this->check_perms(EGW_ACL_READ, $cat))
{
continue;
}
// check if we have the correct type
switch ($type)
{
@ -491,6 +490,53 @@ class categories
return $id;
}
/**
* Checks if the current user has the necessary ACL rights
*
* If the access of a category is set to private, one needs a private grant for the application
*
* @param int $needed necessary ACL right: EGW_ACL_{READ|EDIT|DELETE}
* @param mixed $category category as array or the category_id
* @return boolean true permission granted, false for permission denied, null for category does not exist
*/
public function check_perms($needed,$category)
{
if (!is_array($category) && !($category = self::$cache[$category]))
{
return null;
}
// The user for the global cats has id -1, this one has full access to all global cats
if ($this->account_id == -1 && ($category['appname'] == 'phpgw'
|| $category['appname'] == $this->app_name && $category['owner'] == -1))
{
return true;
}
// Read access to global categories
if ($needed == EGW_ACL_READ && ($category['appname'] == 'phpgw'
|| $category['appname'] == $this->app_name && $category['owner'] == -1))
{
return true;
}
// Full access to own categories
if ($category['appname'] == $this->app_name && $category['owner'] == $this->account_id)
{
return true;
}
// Load the application grants
if ($category['appname'] == $this->app_name && is_null($this->grants))
{
$this->grants = $GLOBALS['egw']->acl->get_grants($this->app_name);
}
// Check for ACL granted access, the -1 user must not get access by ACL to keep old behaviour
return ($this->account_id != -1 && $category['appname'] == $this->app_name && ($this->grants[$category['owner']] & $needed) &&
($category['access'] == 'public' || ($this->grants[$category['owner']] & EGW_ACL_PRIVATE)));
}
/**
* delete a category
@ -664,7 +710,7 @@ class categories
* We use a shared cache together with return_single
*
* @param int $cat_id=0 cat-id
* @param string $item='name requested information, 'path' = / delimited path of category names (incl. parents)
* @param string $item='name' requested information, 'path' = / delimited path of category names (incl. parents)
* @return string information or '--' if not found or !$cat_id
*/
static function id2name($cat_id=0, $item='name')