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Public Member Functions | Protected Attributes
ilAccessHandler Class Reference
Services/AccessControl

Class ilAccessHandler. More...

+ Collaboration diagram for ilAccessHandler:

Public Member Functions

 ilAccessHandler ()
 constructor
 storeAccessResult ($a_permission, $a_cmd, $a_ref_id, $a_access_granted, $a_user_id="", $a_info="")
 store access result
 setPreventCachingLastResult ($a_val)
 Set prevent caching last result.
 getPreventCachingLastResult ()
 Get prevent caching last result.
 getStoredAccessResult ($a_permission, $a_cmd, $a_ref_id, $a_user_id="")
 get stored access result
 storeCache ()
 readCache ($a_secs=0)
 getResults ()
 setResults ($a_results)
 addInfoItem ($a_type, $a_text, $a_data="")
 add an info item to current info object
 checkAccess ($a_permission, $a_cmd, $a_ref_id, $a_type="", $a_obj_id="", $a_tree_id="")
 check access for an object (provide $a_type and $a_obj_id if available for better performance)
 checkAccessOfUser ($a_user_id, $a_permission, $a_cmd, $a_ref_id, $a_type="", $a_obj_id="", $a_tree_id="")
 check access for an object (provide $a_type and $a_obj_id if available for better performance)
 getInfo ()
 get last info object
 getResultLast ()
 get last info object
 getResultAll ($a_ref_id="")
 doCacheCheck ($a_permission, $a_cmd, $a_ref_id, $a_user_id)
 look if result for current query is already in cache
 doTreeCheck ($a_permission, $a_cmd, $a_ref_id, $a_user_id)
 check if object is in tree and not deleted
 doRBACCheck ($a_permission, $a_cmd, $a_ref_id, $a_user_id, $a_type)
 rbac check for current object -> type should be used for create permission
 doPathCheck ($a_permission, $a_cmd, $a_ref_id, $a_user_id, $a_all=false)
 check read permission for all parents
 doActivationCheck ($a_permission, $a_cmd, $a_ref_id, $a_user_id, $a_all=false)
 check for course activation
 preloadActivationTimes ($a_ref_ids)
 preload activation times of course items loads all required timing data for the given ref ids
 doConditionCheck ($a_permission, $a_cmd, $a_ref_id, $a_user_id, $a_obj_id, $a_type)
 condition check (currently only implemented for read permission)
 doStatusCheck ($a_permission, $a_cmd, $a_ref_id, $a_user_id, $a_obj_id, $a_type)
 object type specific check
 doLicenseCheck ($a_permission, $a_cmd, $a_ref_id, $a_user_id, $a_obj_id, $a_type)
 check for available licenses
 clear ()
 enable ($a_str, $a_bool)

Protected Attributes

 $stored_rbac_access = array()

Detailed Description

Class ilAccessHandler.

Checks access for ILIAS objects

Author
Alex Killing alex..nosp@m.kill.nosp@m.ing@g.nosp@m.mx.d.nosp@m.e
Sascha Hofmann sasch.nosp@m.ahof.nosp@m.mann@.nosp@m.gmx..nosp@m.de
Version
Id:
class.ilAccessHandler.php 34573 2012-05-10 13:27:50Z smeyer

Definition at line 20 of file class.ilAccessHandler.php.

Member Function Documentation

ilAccessHandler::addInfoItem (   $a_type,
  $a_text,
  $a_data = "" 
)

add an info item to current info object

Definition at line 189 of file class.ilAccessHandler.php.

{
$this->current_info->addInfoItem($a_type, $a_text, $a_data);
}
ilAccessHandler::checkAccess (   $a_permission,
  $a_cmd,
  $a_ref_id,
  $a_type = "",
  $a_obj_id = "",
  $a_tree_id = "" 
)

check access for an object (provide $a_type and $a_obj_id if available for better performance)

Parameters
string$a_permission
string$a_cmd
int$a_ref_id
string$a_type(optional)
int$a_obj_id(optional)
int$a_tree_id(optional)

Definition at line 206 of file class.ilAccessHandler.php.

References checkAccessOfUser().

{
global $ilUser;
return $this->checkAccessOfUser($ilUser->getId(),$a_permission, $a_cmd, $a_ref_id, $a_type, $a_obj_id, $a_tree_id);
}

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ilAccessHandler::checkAccessOfUser (   $a_user_id,
  $a_permission,
  $a_cmd,
  $a_ref_id,
  $a_type = "",
  $a_obj_id = "",
  $a_tree_id = "" 
)

check access for an object (provide $a_type and $a_obj_id if available for better performance)

Parameters
integer$a_user_id
string$a_permission
string$a_cmd
int$a_ref_id
string$a_type(optional)
int$a_obj_id(optional)
int$a_tree_id(optional)

Definition at line 226 of file class.ilAccessHandler.php.

References $ilBench, $lng, ilObject\_lookupObjId(), ilObject\_lookupType(), doCacheCheck(), doConditionCheck(), doLicenseCheck(), doPathCheck(), doRBACCheck(), doStatusCheck(), doTreeCheck(), IL_NO_PERMISSION, setPreventCachingLastResult(), and storeAccessResult().

Referenced by checkAccess(), doActivationCheck(), doConditionCheck(), and doPathCheck().

{
global $ilBench, $lng;
$this->setPreventCachingLastResult(false); // for external db based caches
$ilBench->start("AccessControl", "0400_clear_info");
$this->current_info->clear();
$ilBench->stop("AccessControl", "0400_clear_info");
// get stored result (internal memory based cache)
$cached = $this->doCacheCheck($a_permission, $a_cmd, $a_ref_id, $a_user_id);
if ($cached["hit"])
{
// Store access result
if (!$cached["granted"])
{
$this->current_info->addInfoItem(IL_NO_PERMISSION, $lng->txt("status_no_permission"));
}
if ($cached["prevent_db_cache"])
{
$this->setPreventCachingLastResult(true); // should have been saved in previous call already
}
return $cached["granted"];
}
$ilBench->start("AccessControl", "0500_lookup_id_and_type");
// get object id if not provided
if ($a_obj_id == "")
{
if (isset($this->obj_id_cache[$a_ref_id]) && $this->obj_id_cache[$a_ref_id] > 0)
{
$a_obj_id = $this->obj_id_cache[$a_ref_id];
}
else
{
$a_obj_id = ilObject::_lookupObjId($a_ref_id);
$this->obj_id_cache[$a_ref_id] = $a_obj_id;
}
}
if ($a_type == "")
{
if (isset($this->obj_type_cache[$a_ref_id]) && $this->obj_type_cache[$a_ref_id] != "")
{
$a_type = $this->obj_type_cache[$a_ref_id];
}
else
{
$a_type = ilObject::_lookupType($a_ref_id, true);
$this->obj_type_cache[$a_ref_id] = $a_type;
}
}
$ilBench->stop("AccessControl", "0500_lookup_id_and_type");
// to do: payment handling
// if supplied tree id is not = 1 (= repository main tree),
// check if object is in tree and not deleted
if ($a_tree_id != 1 &&
!$this->doTreeCheck($a_permission, $a_cmd, $a_ref_id, $a_user_id))
{
$this->current_info->addInfoItem(IL_NO_PERMISSION, $lng->txt("status_no_permission"));
$this->storeAccessResult($a_permission, $a_cmd, $a_ref_id, false, $a_user_id);
return false;
}
// rbac check for current object
if (!$this->doRBACCheck($a_permission, $a_cmd, $a_ref_id, $a_user_id, $a_type))
{
$this->current_info->addInfoItem(IL_NO_PERMISSION, $lng->txt("status_no_permission"));
$this->storeAccessResult($a_permission, $a_cmd, $a_ref_id, false, $a_user_id);
return false;
}
// check read permission for all parents
$par_check = $this->doPathCheck($a_permission, $a_cmd, $a_ref_id, $a_user_id);
if (!$par_check)
{
$this->current_info->addInfoItem(IL_NO_PERMISSION, $lng->txt("status_no_permission"));
$this->storeAccessResult($a_permission, $a_cmd, $a_ref_id, false, $a_user_id);
return false;
}
// condition check (currently only implemented for read permission)
if (!$this->doConditionCheck($a_permission, $a_cmd, $a_ref_id, $a_user_id, $a_obj_id, $a_type))
{
$this->current_info->addInfoItem(IL_NO_PERMISSION, $lng->txt("status_no_permission"));
$this->storeAccessResult($a_permission, $a_cmd, $a_ref_id, false, $a_user_id);
$this->setPreventCachingLastResult(true); // do not store this in db, since condition updates are not monitored
return false;
}
// object type specific check
if (!$this->doStatusCheck($a_permission, $a_cmd, $a_ref_id, $a_user_id, $a_obj_id, $a_type))
{
$this->current_info->addInfoItem(IL_NO_PERMISSION, $lng->txt("status_no_permission"));
$this->storeAccessResult($a_permission, $a_cmd, $a_ref_id, false, $a_user_id);
$this->setPreventCachingLastResult(true); // do not store this in db, since status updates are not monitored
return false;
}
// check for available licenses
if (!$this->doLicenseCheck($a_permission, $a_cmd, $a_ref_id, $a_user_id, $a_obj_id, $a_type))
{
$this->setPreventCachingLastResult(true); // do not store this in db, since status updates are not monitored
return false;
}
// all checks passed
$this->storeAccessResult($a_permission, $a_cmd, $a_ref_id, true, $a_user_id);
return true;
}

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ilAccessHandler::clear ( )

Definition at line 801 of file class.ilAccessHandler.php.

{
$this->results = array();
$this->last_result = "";
$this->current_info = new ilAccessInfo();
}
ilAccessHandler::doActivationCheck (   $a_permission,
  $a_cmd,
  $a_ref_id,
  $a_user_id,
  $a_all = false 
)

check for course activation

Definition at line 567 of file class.ilAccessHandler.php.

References $ilBench, $ilLog, ilCourseItems\_readActivationTimes(), checkAccessOfUser(), IL_CRS_TIMINGS_ACTIVATION, and preloadActivationTimes().

Referenced by doPathCheck().

{
global $ilBench,$ilObjDataCache;
$ilBench->start("AccessControl", "3150_checkAccess_check_course_activation");
$cache_perm = ($a_permission == "visible")
? "visible"
: "other";
//echo "<br>doActivationCheck-$cache_perm-$a_ref_id-$a_user_id-".$ilObjDataCache->lookupType($ilObjDataCache->lookupObjId($a_ref_id));
if (isset($this->ac_cache[$cache_perm][$a_ref_id][$a_user_id]))
{
$ilBench->stop("AccessControl", "3150_checkAccess_check_course_activation");
return $this->ac_cache[$cache_perm][$a_ref_id][$a_user_id];
}
// nothings needs to be done if current permission is write permission
if($a_permission == 'write')
{
$ilBench->stop("AccessControl", "3150_checkAccess_check_course_activation");
return true;
}
include_once 'Modules/Course/classes/class.ilCourseItems.php';
$this->preloadActivationTimes(array($a_ref_id));
if(isset($this->ac_times[$a_ref_id]))
{
// read preloaded
$item_data = $this->ac_times[$a_ref_id];
}
else
{
global $ilLog;
$ilLog->write(__METHOD__.': Error preloading activation times failed.');
$item_data = ilCourseItems::_readActivationTimes(array($a_ref_id));
$item_data = $item_data[$a_ref_id];
}
// if activation isn't enabled
if($item_data['timing_type'] != IL_CRS_TIMINGS_ACTIVATION)
{
$this->ac_cache[$cache_perm][$a_ref_id][$a_user_id] = true;
$ilBench->stop("AccessControl", "3150_checkAccess_check_course_activation");
return true;
}
// if within activation time
if((time() >= $item_data['timing_start']) and
(time() <= $item_data['timing_end']))
{
$this->ac_cache[$cache_perm][$a_ref_id][$a_user_id] = true;
$ilBench->stop("AccessControl", "3150_checkAccess_check_course_activation");
return true;
}
// if user has write permission
if($this->checkAccessOfUser($a_user_id, "write", "", $a_ref_id))
{
$this->ac_cache[$cache_perm][$a_ref_id][$a_user_id] = true;
$ilBench->stop("AccessControl", "3150_checkAccess_check_course_activation");
return true;
}
// if current permission is visible and visible is set in activation
if($a_permission == 'visible' and $item_data['visible'])
{
$this->ac_cache[$cache_perm][$a_ref_id][$a_user_id] = true;
$ilBench->stop("AccessControl", "3150_checkAccess_check_course_activation");
return true;
}
// no access
$this->ac_cache[$cache_perm][$a_ref_id][$a_user_id] = false;
$ilBench->stop("AccessControl", "3150_checkAccess_check_course_activation");
return false;
}

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ilAccessHandler::doCacheCheck (   $a_permission,
  $a_cmd,
  $a_ref_id,
  $a_user_id 
)

look if result for current query is already in cache

Definition at line 375 of file class.ilAccessHandler.php.

References $ilBench, and getStoredAccessResult().

Referenced by checkAccessOfUser().

{
global $ilBench;
//echo "cacheCheck<br/>";
$ilBench->start("AccessControl", "1000_checkAccess_get_cache_result");
$stored_access = $this->getStoredAccessResult($a_permission, $a_cmd, $a_ref_id,$a_user_id);
//var_dump($stored_access);
if (is_array($stored_access))
{
$this->current_info = $stored_access["info"];
//var_dump("cache-treffer:");
$ilBench->stop("AccessControl", "1000_checkAccess_get_cache_result");
return array("hit" => true, "granted" => $stored_access["granted"],
"prevent_db_cache" => $stored_access["prevent_db_cache"]);
}
// not in cache
$ilBench->stop("AccessControl", "1000_checkAccess_get_cache_result");
return array("hit" => false, "granted" => false,
"prevent_db_cache" => false);
}

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ilAccessHandler::doConditionCheck (   $a_permission,
  $a_cmd,
  $a_ref_id,
  $a_user_id,
  $a_obj_id,
  $a_type 
)

condition check (currently only implemented for read permission)

Definition at line 675 of file class.ilAccessHandler.php.

References $ilBench, $lng, ilConditionHandler\_checkAllConditionsOfTarget(), ilConditionHandler\_getConditionsOfTarget(), ilObject\_lookupTitle(), checkAccessOfUser(), and IL_MISSING_PRECONDITION.

Referenced by checkAccessOfUser().

{
//echo "conditionCheck<br/>";
global $lng, $ilBench;
if (($a_permission == "read" or $a_permission == 'join') &&
!$this->checkAccessOfUser($a_user_id, "write", "", $a_ref_id, $a_type, $a_obj_id))
{
$ilBench->start("AccessControl", "4000_checkAccess_condition_check");
if(!ilConditionHandler::_checkAllConditionsOfTarget($a_ref_id,$a_obj_id,$a_type,$a_user_id))
{
$conditions = ilConditionHandler::_getConditionsOfTarget($a_ref_id,$a_obj_id, $a_type);
foreach ($conditions as $condition)
{
$this->current_info->addInfoItem(IL_MISSING_PRECONDITION,
$lng->txt("missing_precondition").": ".
ilObject::_lookupTitle($condition["trigger_obj_id"])." ".
$lng->txt("condition_".$condition["operator"])." ".
$condition["value"], $condition);
}
$ilBench->stop("AccessControl", "4000_checkAccess_condition_check");
return false;
}
$ilBench->stop("AccessControl", "4000_checkAccess_condition_check");
}
return true;
}

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ilAccessHandler::doLicenseCheck (   $a_permission,
  $a_cmd,
  $a_ref_id,
  $a_user_id,
  $a_obj_id,
  $a_type 
)

check for available licenses

Definition at line 754 of file class.ilAccessHandler.php.

References $lng, ilLicenseAccess\_checkAccess(), ilLicenseAccess\_isEnabled(), IL_NO_LICENSE, and storeAccessResult().

Referenced by checkAccessOfUser().

{
global $lng;
// simple checks first
if (!in_array($a_type, array('sahs','htlm'))
or !in_array($a_permission, array('read')))
{
$has_access = true;
}
else
{
require_once("Services/License/classes/class.ilLicenseAccess.php");
// licensing globally disabled => access granted
if (!ilLicenseAccess::_isEnabled())
{
$has_access = true;
}
/* resolved mantis issue #5288:
* admins should not automatically have read access!
* their read access will also be noted and consume a license
elseif ($this->rbacsystem->checkAccessOfUser($a_user_id, "edit_permissions", $a_ref_id))
{
$has_access = true;
}
*/
// now do the real check
else
{
$has_access = ilLicenseAccess::_checkAccess($a_user_id, $a_obj_id);
}
}
if ($has_access)
{
$this->storeAccessResult($a_permission, $a_cmd, $a_ref_id, true, $a_user_id);
return true;
}
else
{
$this->current_info->addInfoItem(IL_NO_LICENSE, $lng->txt("no_license_available"));
$this->storeAccessResult($a_permission, $a_cmd, $a_ref_id, false, $a_user_id);
return false;
}
}

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ilAccessHandler::doPathCheck (   $a_permission,
  $a_cmd,
  $a_ref_id,
  $a_user_id,
  $a_all = false 
)

check read permission for all parents

Definition at line 511 of file class.ilAccessHandler.php.

References $ilBench, $lng, $path, checkAccessOfUser(), doActivationCheck(), and IL_NO_PARENT_ACCESS.

Referenced by checkAccessOfUser().

{
global $tree, $lng, $ilBench,$ilObjDataCache;
//echo "<br>dopathcheck";
//echo "pathCheck<br/>";
$ilBench->start("AccessControl", "3100_checkAccess_check_parents_get_path");
// if (isset($this->stored_path[$a_ref_id]))
// {
// $path = $this->stored_path[$a_ref_id];
// }
// else
// {
$path = $tree->getPathId($a_ref_id);
// $this->stored_path[$a_ref_id] = $path;
// }
$ilBench->stop("AccessControl", "3100_checkAccess_check_parents_get_path");
foreach ($path as $id)
{
if ($a_ref_id == $id)
{
continue;
}
// Check course activation
if($ilObjDataCache->lookupType($ilObjDataCache->lookupObjId($id)) == 'crs')
{
if(!$this->doActivationCheck($a_permission,$a_cmd,$a_ref_id,$a_user_id,$a_all))
{
return false;
}
}
$access = $this->checkAccessOfUser($a_user_id, "read", "info", $id);
if ($access == false)
{
//$this->doCacheCheck($a_permission, $a_cmd, $a_ref_id, $a_user_id);
$this->current_info->addInfoItem(IL_NO_PARENT_ACCESS, $lng->txt("no_parent_access"),$id);
if ($a_all == false)
{
return false;
}
}
}
return true;
}

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ilAccessHandler::doRBACCheck (   $a_permission,
  $a_cmd,
  $a_ref_id,
  $a_user_id,
  $a_type 
)

rbac check for current object -> type should be used for create permission

Definition at line 462 of file class.ilAccessHandler.php.

References $ilBench, $ilErr, $ilLog, $lng, IL_NO_PERMISSION, and storeAccessResult().

Referenced by checkAccessOfUser().

{
global $lng, $ilBench, $ilErr, $ilLog;
$ilBench->start("AccessControl", "2500_checkAccess_rbac_check");
if ($a_permission == "")
{
$message = sprintf('%s::doRBACCheck(): No operations given! $a_ref_id: %s',
get_class($this),
$a_ref_id);
$ilLog->write($message,$ilLog->FATAL);
$ilErr->raiseError($message,$ilErr->MESSAGE);
}
if (isset($this->stored_rbac_access[$a_user_id."-".$a_permission."-".$a_ref_id]))
{
$access = $this->stored_rbac_access[$a_user_id."-".$a_permission."-".$a_ref_id];
}
else
{
$access = $this->rbacsystem->checkAccessOfUser($a_user_id, $a_permission, $a_ref_id, $a_type);
if (!is_array($this->stored_rbac_access) || count($this->stored_rbac_access) < 1000)
{
if ($a_permission != "create")
{
$this->stored_rbac_access[$a_user_id."-".$a_permission."-".$a_ref_id] = $access;
}
}
}
// Store in result cache
if (!$access)
{
$this->current_info->addInfoItem(IL_NO_PERMISSION, $lng->txt("status_no_permission"));
}
if ($a_permission != "create")
{
$this->storeAccessResult($a_permission, $a_cmd, $a_ref_id, true, $a_user_id);
}
$ilBench->stop("AccessControl", "2500_checkAccess_rbac_check");
return $access;
}

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ilAccessHandler::doStatusCheck (   $a_permission,
  $a_cmd,
  $a_ref_id,
  $a_user_id,
  $a_obj_id,
  $a_type 
)

object type specific check

Definition at line 708 of file class.ilAccessHandler.php.

References $ilBench, $location, and storeAccessResult().

Referenced by checkAccessOfUser().

{
global $objDefinition, $ilBench, $ilPluginAdmin;
//echo "statusCheck<br/>";
$ilBench->start("AccessControl", "5000_checkAccess_object_check");
// check for a deactivated plugin
if ($objDefinition->isPluginTypeName($a_type) && !$objDefinition->isPlugin($a_type))
{
return false;
}
if(!$a_type)
{
return false;
}
$class = $objDefinition->getClassName($a_type);
$location = $objDefinition->getLocation($a_type);
$full_class = "ilObj".$class."Access";
include_once($location."/class.".$full_class.".php");
// static call to ilObj..::_checkAccess($a_cmd, $a_permission, $a_ref_id, $a_obj_id)
$ilBench->start("AccessControl", "5001_checkAccess_".$full_class."_check");
$obj_access = call_user_func(array($full_class, "_checkAccess"),
$a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id);
$ilBench->stop("AccessControl", "5001_checkAccess_".$full_class."_check");
if (!($obj_access === true))
{
//Note: We must not add an info item here, because one is going
// to be added by the user function we just called a few
// lines above.
//$this->current_info->addInfoItem(IL_NO_OBJECT_ACCESS, $obj_access);
$this->storeAccessResult($a_permission, $a_cmd, $a_ref_id, false, $a_user_id);
$ilBench->stop("AccessControl", "5000_checkAccess_object_check");
return false;
}
$this->storeAccessResult($a_permission, $a_cmd, $a_ref_id, true, $a_user_id);
$ilBench->stop("AccessControl", "5000_checkAccess_object_check");
return true;
}

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ilAccessHandler::doTreeCheck (   $a_permission,
  $a_cmd,
  $a_ref_id,
  $a_user_id 
)

check if object is in tree and not deleted

Definition at line 402 of file class.ilAccessHandler.php.

References $ilBench, $lng, IL_DELETED, IL_NO_PERMISSION, and storeAccessResult().

Referenced by checkAccessOfUser().

{
global $tree, $lng, $ilBench;
//echo "treeCheck<br/>";
// Get stored result
$tree_cache_key = $a_user_id.':'.$a_ref_id;
if (array_key_exists($tree_cache_key, $this->obj_tree_cache)) {
// Store access result
if (!$this->obj_tree_cache[$tree_cache_key])
{
$this->current_info->addInfoItem(IL_NO_PERMISSION, $lng->txt("status_no_permission"));
}
$this->storeAccessResult($a_permission, $a_cmd, $a_ref_id, $this->obj_tree_cache[$tree_cache_key], $a_user_id);
return $this->obj_tree_cache[$tree_cache_key];
}
$ilBench->start("AccessControl", "2000_checkAccess_in_tree");
if(!$tree->isInTree($a_ref_id) or $tree->isDeleted($a_ref_id))
{
// Store negative access results
// Store in tree cache
// Note, we only store up to 1000 results to avoid memory overflow.
if (count($this->obj_tree_cache) < 1000)
{
$this->obj_tree_cache[$tree_cache_key] = false;
}
// Store in result cache
$this->current_info->addInfoItem(IL_DELETED, $lng->txt("object_deleted"));
$this->storeAccessResult($a_permission, $a_cmd, $a_ref_id, false, $a_user_id);
$ilBench->stop("AccessControl", "2000_checkAccess_in_tree");
return false;
}
// Store positive access result.
// Store in tree cache
// Note, we only store up to 1000 results to avoid memory overflow.
if (count($this->obj_tree_cache) < 1000)
{
$this->obj_tree_cache[$tree_cache_key] = true;
}
// Store in result cache
$this->storeAccessResult($a_permission, $a_cmd, $a_ref_id, true, $a_user_id);
$ilBench->stop("AccessControl", "2000_checkAccess_in_tree");
return true;
}

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ilAccessHandler::enable (   $a_str,
  $a_bool 
)

Definition at line 808 of file class.ilAccessHandler.php.

{
$this->$a_str = $a_bool;
}
ilAccessHandler::getInfo ( )

get last info object

Definition at line 345 of file class.ilAccessHandler.php.

{
//return $this->last_result;
//$this->last_info->setQueryData($this->current_result_element);
//var_dump("<pre>",$this->results,"</pre>");
return is_object($this->last_info) ? $this->last_info->getInfoItems() : array();
}
ilAccessHandler::getPreventCachingLastResult ( )

Get prevent caching last result.

Returns
boolean true if last result should not be cached

Definition at line 104 of file class.ilAccessHandler.php.

Referenced by storeAccessResult().

{
return $this->prevent_caching_last_result;
}

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ilAccessHandler::getResultAll (   $a_ref_id = "")

Definition at line 361 of file class.ilAccessHandler.php.

References $results.

{
if ($a_ref_id == "")
{
return $this->results;
}
return $this->results[$a_ref_id];
}
ilAccessHandler::getResultLast ( )

get last info object

Definition at line 356 of file class.ilAccessHandler.php.

{
return $this->last_result;
}
ilAccessHandler::getResults ( )

Definition at line 176 of file class.ilAccessHandler.php.

References $results.

{
return $this->results;
}
ilAccessHandler::getStoredAccessResult (   $a_permission,
  $a_cmd,
  $a_ref_id,
  $a_user_id = "" 
)

get stored access result

private

Parameters
string$a_permissionpermission
string$a_cmdcommand string
int$a_ref_idreference id
int$a_user_iduser id (if no id passed, current user id)
Returns
array result array: "granted" (boolean) => true if access is granted "info" (object) => info object

Definition at line 121 of file class.ilAccessHandler.php.

Referenced by doCacheCheck().

{
global $ilUser;
if ($a_user_id == "")
{
$a_user_id = $ilUser->getId();
}
/*if (is_object($this->results[$a_ref_id][$a_permission][$a_cmd][$a_user_id]['info']))
{
$this->current_info = $this->results[$a_ref_id][$a_permission][$a_cmd][$a_user_id]['info'];
}*/
if (isset($this->results[$a_ref_id][$a_permission][$a_cmd][$a_user_id]))
{
return $this->results[$a_ref_id][$a_permission][$a_cmd][$a_user_id];
}
return false;
}

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ilAccessHandler::ilAccessHandler ( )

constructor

Definition at line 27 of file class.ilAccessHandler.php.

References $lng.

{
global $rbacsystem,$lng;
$this->rbacsystem =& $rbacsystem;
$this->results = array();
$this->current_info = new ilAccessInfo();
// use function enable to switch on/off tests (only cache is used so far)
$this->cache = true;
$this->rbac = true;
$this->tree = true;
$this->condition = true;
$this->path = true;
$this->status = true;
$this->obj_id_cache = array();
$this->obj_type_cache = array();
$this->obj_tree_cache=array();
}
ilAccessHandler::preloadActivationTimes (   $a_ref_ids)

preload activation times of course items loads all required timing data for the given ref ids

public

Parameters
arrayarray(int) ref_id

Definition at line 653 of file class.ilAccessHandler.php.

References $ref_id, and ilCourseItems\_readActivationTimes().

Referenced by doActivationCheck().

{
include_once('Modules/Course/classes/class.ilCourseItems.php');
$read_arr = array();
foreach($a_ref_ids as $ref_id)
{
if(!isset($this->ac_times[$ref_id]))
{
$read_arr[] = $ref_id;
}
}
if(count($read_arr))
{
$this->ac_times = (array) $this->ac_times + ilCourseItems::_readActivationTimes($read_arr);
}
}

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ilAccessHandler::readCache (   $a_secs = 0)

Definition at line 156 of file class.ilAccessHandler.php.

References $ilDB, $query, and DB_FETCHMODE_ASSOC.

{
global $ilUser, $ilDB;
if ($a_secs > 0)
{
$query = "SELECT * FROM acc_cache WHERE user_id = ".
$ilDB->quote($ilUser->getId() ,'integer');
$set = $ilDB->query($query);
$rec = $set->fetchRow(DB_FETCHMODE_ASSOC);
if ((time() - $rec["time"]) < $a_secs)
{
$this->results = unserialize($rec["result"]);
//var_dump($this->results);
return true;
}
}
return false;
}
ilAccessHandler::setPreventCachingLastResult (   $a_val)

Set prevent caching last result.

Parameters
booleantrue if last result should not be cached

Definition at line 94 of file class.ilAccessHandler.php.

Referenced by checkAccessOfUser().

{
$this->prevent_caching_last_result = $a_val;
}

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ilAccessHandler::setResults (   $a_results)

Definition at line 181 of file class.ilAccessHandler.php.

{
$this->results = $a_results;
}
ilAccessHandler::storeAccessResult (   $a_permission,
  $a_cmd,
  $a_ref_id,
  $a_access_granted,
  $a_user_id = "",
  $a_info = "" 
)

store access result

private

Parameters
string$a_permissionpermission
string$a_cmdcommand string
int$a_ref_idreference id
boolean$a_access_grantedtrue if access is granted
int$a_user_iduser id (if no id passed, current user id)

Definition at line 57 of file class.ilAccessHandler.php.

References getPreventCachingLastResult().

Referenced by checkAccessOfUser(), doLicenseCheck(), doRBACCheck(), doStatusCheck(), and doTreeCheck().

{
global $ilUser;
if ($a_user_id == "")
{
$a_user_id = $ilUser->getId();
}
if ($a_info == "")
{
$a_info = $this->current_info;
}
//var_dump("<pre>",$a_permission,"</pre>");
if ($this->cache)
{
$this->results[$a_ref_id][$a_permission][$a_cmd][$a_user_id] =
array("granted" => $a_access_granted, "info" => $a_info,
"prevent_db_cache" => $this->getPreventCachingLastResult());
//echo "<br>write-$a_ref_id-$a_permission-$a_cmd-$a_user_id-$a_access_granted-";
$this->current_result_element = array($a_access_granted,$a_ref_id,$a_permission,$a_cmd,$a_user_id);
$this->last_result = $this->results[$a_ref_id][$a_permission][$a_cmd][$a_user_id];
$this->last_info = $a_info;
}
// get new info object
$this->current_info = new ilAccessInfo();
}

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ilAccessHandler::storeCache ( )

Definition at line 142 of file class.ilAccessHandler.php.

References $ilDB, $query, and $res.

{
global $ilDB, $ilUser;
$query = "DELETE FROM acc_cache WHERE user_id = ".$ilDB->quote($ilUser->getId(),'integer');
$res = $ilDB->manipulate($query);
$ilDB->insert('acc_cache', array(
'user_id' => array('integer',$ilUser->getId()),
'time' => array('integer',time()),
'result' => array('clob',serialize($this->results))
));
}

Field Documentation

ilAccessHandler::$stored_rbac_access = array()
protected

Definition at line 22 of file class.ilAccessHandler.php.

The documentation for this class was generated from the following file: