class.ilObjectPermissionStatusGUI.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilObjectPermissionStatusGUI
{
        var $user;
        var $lng;
        var $ilCtrl;
        var $tpl;
        var $object;
        var $rbacreview;
        var $user_roles;
        var $global_roles;
        var $valid_roles;
        var $assigned_valid_roles;

        const IMG_OK = 0;
        const IMG_NOT_OK = 1;


        public function __construct(&$a_obj)
        {
                global $ilCtrl,$lng,$rbacreview, $tpl;

                $this->lng =  $lng;
                $this->ilCtrl = $ilCtrl;
                $this->tpl = $tpl;
                $this->object = $a_obj;
                $this->rbacreview = $rbacreview;

                $this->user = $this->getUser();
                $this->user_roles = $rbacreview->assignedRoles($this->user->getId());
                $this->global_roles = $rbacreview->getGlobalRoles();
                $this->valid_roles = $rbacreview->getParentRoleIds($this->object->getRefId());
                $this->assigned_valid_roles = $this->getAssignedValidRoles();

        }

        public function &executeCommand()
        {
                global $ilCtrl;

                // determine next class in the call structure
                $next_class = $this->ilCtrl->getNextClass($this);

                switch($next_class)
                {
                        case 'ilrepositorysearchgui':
                                include_once('./Services/Search/classes/class.ilRepositorySearchGUI.php');
                                $rep_search =& new ilRepositorySearchGUI();
                                $this->ilCtrl->setReturn($this,'perminfo');
                                $this->ilCtrl->forwardCommand($rep_search);
                                break;

                        default:
                                $cmd = $this->ilCtrl->getCmd();
                                $this->$cmd();
                                break;
                }
        }

        function perminfo()
        {
                $tpl = new ilTemplate("tpl.info_layout.html", false, false, "Services/AccessControl");

                $tpl->setVariable("INFO_SUMMARY",$this->accessStatusInfo());
                $tpl->setVariable("INFO_PERMISSIONS",$this->accessPermissionsTable());
                $tpl->setVariable("INFO_ROLES",$this->availableRolesTable());
                $tpl->setVariable("INFO_REMARK_INTERRUPTED",$this->lng->txt('info_remark_interrupted'));

                $this->tpl->setVariable("ADM_CONTENT", $tpl->get());

                $this->addToolbar();
        }

        function addToolbar()
        {
                global $ilToolbar;

                $ilToolbar->setFormAction($this->ilCtrl->getFormAction($this, "perminfo"));

                $ilToolbar->addText($this->lng->txt('user'));

                include_once("./Services/Form/classes/class.ilTextInputGUI.php");

                $login = new ilTextInputGUI($this->lng->txt("username"), "user_login");
                $login->setDataSource($this->ilCtrl->getLinkTargetByClass(array(get_class($this),
                        'ilRepositorySearchGUI'), 'doUserAutoComplete', '', true));
                $login->setSize(15);
                $login->setValue($this->user->getLogin());

                $ilToolbar->addInputItem($login);

                $ilToolbar->addFormButton($this->lng->txt("info_change_user_view"), "perminfo");

                //$ilToolbar->addText($lng->txt("info_enter_login_or_id"));
        }

        function accessStatusInfo()
        {
                include_once("./Services/InfoScreen/classes/class.ilInfoScreenGUI.php");

                $info = new ilInfoScreenGUI(new stdClass());
                $info->setFormAction($this->ilCtrl->getFormAction($this));

                $info->addSection($this->lng->txt("info_access_and_status_info"));

                foreach($this->getAccessStatusInfoData() as $data)
                {
                        $info->addProperty($data[0], $data[1]);
                }

                return $info->getHTML();
        }

        function accessPermissionsTable()
        {
                include_once("./Services/AccessControl/classes/class.ilAccessPermissionsStatusTableGUI.php");

                $table = new ilAccessPermissionsStatusTableGUI($this, "perminfo");

                $table->setData($this->getAccessPermissionTableData());
                $table->setTitle($this->lng->txt("info_access_permissions"));

                return $table->getHTML();
        }

        function availableRolesTable()
        {
                include_once("./Services/AccessControl/classes/class.ilAvailableRolesStatusTableGUI.php");

                $table = new ilAvailableRolesStatusTableGUI($this, "perminfo");

                $table->setData($this->getAvailableRolesTableData());
                $table->setTitle($this->lng->txt("info_available_roles"));

                return $table->getHTML();
        }

        function getAssignedValidRoles()
        {
                include_once ('./Services/AccessControl/classes/class.ilObjRole.php');
                $assigned_valid_roles = array();

                foreach ($this->valid_roles as $role)
                {
                        if (in_array($role['obj_id'],$this->user_roles))
                        {
                                if ($role["obj_id"] == SYSTEM_ROLE_ID)
                                {
                                        // get all possible operation of current object
                                        $ops_list = ilRbacReview::_getOperationList($this->object->getType());
                                        
                                        foreach ($ops_list as $ops_data)
                                        {
                                                $ops[] = (int) $ops_data['ops_id'];
                                        }
                                        
                                        $role['ops'] = $ops;
                                }
                                else
                                {
                                        $role['ops'] = $this->rbacreview->getRoleOperationsOnObject($role["obj_id"],$this->object->getRefId());
                                }
                                
                                include_once('./Services/AccessControl/classes/class.ilObjRole.php');
                                $role['translation'] = str_replace(" ","&nbsp;",ilObjRole::_getTranslation($role["title"]));
                                $assigned_valid_roles[] = $role;
                        }
                }

                $this->assigned_valid_roles = $assigned_valid_roles;

                return $assigned_valid_roles;
        }

        function getCommands($a_type)
        {
                global $objDefinition;
                                
                $class = $objDefinition->getClassName($a_type);
                $location = $objDefinition->getLocation($a_type);
                $full_class = "ilObj".$class."Access";
                include_once($location."/class.".$full_class.".php");
                
                $cmds = call_user_func(array($full_class, "_getCommands"));
                
                array_push($cmds,array('permission' => 'visible','cmd' => 'info'));
                
                return $cmds;
        }

        function getUser()
        {
                global $ilUser;

                if (!isset($_POST['user_login']))
                {
                        $user =& $ilUser;
                }
                else
                {
                        include_once('Services/User/classes/class.ilObjUser.php');
                        $user_id = ilObjUser::_lookupId($_POST['user_login']);

                        $factory = new ilObjectFactory();
                        $user = $factory->getInstanceByObjId($user_id,false);


                        if ($user === false or $user->getType() != 'usr')
                        {
                                $user =& $ilUser;
                                ilUtil::sendFailure($this->lng->txt('info_err_user_not_exist'));
                        }
                        else
                        {
                                ilUtil::sendInfo($this->lng->txt('info_user_view_changed'));
                        }
                }

                return $user;
        }

        function getAccessStatusInfoData()
        {
                global $ilAccess;
                $infos = array();

                $result_set[0][] = $this->lng->txt("info_view_of_user");
                $result_set[0][] = $this->user->getFullname()." (#".$this->user->getId().")";

                $assigned_valid_roles = array();

                foreach ($this->getAssignedValidRoles() as $role)
                {
                        $assigned_valid_roles[] = $role["translation"];
                }

                $roles_str = implode(", ",$assigned_valid_roles);

                $result_set[1][] = $this->lng->txt("roles");
                $result_set[1][] = $roles_str;

                $result_set[2][] = $this->lng->txt("status");

                $ilAccess->clear();
                $ilAccess->checkAccessOfUser(
                        $this->user->getId(),
                        'read',
                        '',
                        $this->object->getRefId(),
                        $this->object->getType(),
                        $this->object->getId()
                );

                $infos = array_merge($infos,$ilAccess->getInfo());

                $cmds = $this->getCommands($this->object->getType());

                foreach ($cmds as $cmd)
                {
                        $ilAccess->clear();
                        $ilAccess->doStatusCheck($cmd['permission'],$cmd['cmd'],$this->object->getRefId(),$this->user->getId(),$this->object->getId(),$this->object->getType());
                        $infos = array_merge($infos,$ilAccess->getInfo());
                }

                $alert = "il_ItemAlertProperty";
                $okay = "il_ItemOkayProperty";
                $text = "";

                if (!$infos)
                {
                        $text = "<span class=\"".$okay."\">".$this->lng->txt("access")."</span><br/> ";
                }
                else
                {
                        foreach ($infos as $info)
                        {
                                switch ($info['type'])
                                {
                                        case IL_STATUS_MESSAGE:
                                                $text .= "<span class=\"".$okay."\">".$info['text']."</span><br/> ";
                                                break;

                                        case IL_NO_PARENT_ACCESS:
                                                $factory = new ilObjectFactory();
                                                $obj = $factory->getInstanceByRefId($info['data']);
                                                $text .= "<span class=\"".$alert."\">".$info['text']." (".$this->lng->txt("obj_".$obj->getType())." #".$obj->getId().": ".$obj->getTitle().")</span><br/> ";
                                                break;

                                        default:
                                                $text .= "<span class=\"".$alert."\">".$info['text']."</span><br/> ";
                                                break;

                                }
                        }
                }

                $result_set[2][] = $text;

                return $result_set;
        }

        function getAccessPermissionTableData()
        {
                global $ilAccess,$ilObjDataCache,$objDefinition;

                // get all possible operation of current object
                $ops_list = ilRbacReview::_getOperationList($this->object->getType());

                $counter = 0;
                $result_set = array();

                // check permissions of user
                foreach ($ops_list as $ops)
                {
                        $access = $ilAccess->doRBACCheck($ops['operation'],"info",$this->object->getRefId(),$this->user->getId(),$this->object->getType());

                        $result_set[$counter]["img"] = $access ? self::IMG_OK : self::IMG_NOT_OK;

                        if (substr($ops['operation'], 0, 7) == "create_" &&
                                $objDefinition->isPlugin(substr($ops['operation'], 7)))
                        {
                                $result_set[$counter]["operation"] = ilPlugin::lookupTxt("rep_robj", substr($ops['operation'],7),
                                        #$this->object->getType()."_".$ops['operation']);
                                        'rbac_'.$ops['operation']);
                        }
                        else if ($objDefinition->isPlugin($this->object->getType()))
                        {
                                $result_set[$counter]["operation"] = ilPlugin::lookupTxt("rep_robj", $this->object->getType(),
                                        $this->object->getType()."_".$ops['operation']);
                        }
                        elseif(substr($ops['operation'],0,7) == 'create_')
                        {
                                $result_set[$counter]["operation"] = $this->lng->txt('rbac_'.$ops['operation']);
                        }
                        else
                        {
                                $result_set[$counter]["operation"] = $this->lng->txt($this->object->getType()."_".$ops['operation']);
                        }

                        $list_role = "";

                        // Check ownership
                        if($this->user->getId() == $ilObjDataCache->lookupOwner($this->object->getId()))
                        {
                                if(
                                        (substr($ops['operation'],0,7) != 'create_') and
                                        ($ops['operation'] != 'edit_permission') and
                                        ($ops['operation'] != 'edit_leanring_progress')
                                )
                                {
                                        $list_role[] = $this->lng->txt('info_owner_of_object');
                                }
                        }
                        // get operations on object for each assigned role to user
                        foreach ($this->getAssignedValidRoles() as $role)
                        {
                                if (in_array($ops['ops_id'],$role['ops']))
                                {
                                        $list_role[] = $role['translation'];
                                }
                        }

                        if (empty($list_role))
                        {
                                $list_role[] = $this->lng->txt('none');
                        }


                        $result_set[$counter]["role_ownership"] = $list_role;

                        ++$counter;
                }

                return $result_set;
        }

        function getAvailableRolesTableData()
        {
                global $tree;

                include_once('./Services/AccessControl/classes/class.ilObjRole.php');

                $path = array_reverse($tree->getPathId($this->object->getRefId()));

                include_once ('./Services/AccessControl/classes/class.ilObjRole.php');
                $counter = 0;

                foreach ($this->valid_roles as $role)
                {
                        $result_set[$counter]["img"] = in_array($role['obj_id'],$this->user_roles) ? self::IMG_OK : self::IMG_NOT_OK;
                        $result_set[$counter]["role"] = str_replace(" ","&nbsp;",ilObjRole::_getTranslation($role["title"]));

                        if ($role['role_type'] != "linked")
                        {
                                $result_set[$counter]["effective_from"] = "";
                        }
                        else
                        {
                                $rolfs = $this->rbacreview->getFoldersAssignedToRole($role["obj_id"]);

                                // ok, try to match the next rolf in path
                                foreach ($path as $node)
                                {
                                        if ($node == 1)
                                        {
                                                break;
                                        }


                                        if (in_array($node,$rolfs))
                                        {
                                                $nodedata = $tree->getNodeData($node);
                                                $result_set[$counter]["effective_from"] = $nodedata["title"];
                                                $result_set[$counter]["effective_from_ref_id"] = $node;
                                                break;
                                        }
                                }
                        }

                        if (in_array($role['obj_id'],$this->global_roles))
                        {
                                $result_set[$counter]["original_position"] = $this->lng->txt("global");
                                $result_set[$counter]["original_position_ref_id"] = false;
                        }
                        else
                        {
                                $rolf = $this->rbacreview->getFoldersAssignedToRole($role["obj_id"],true);
                                $parent_node = $tree->getNodeData($rolf[0]);
                                $result_set[$counter]["original_position"] = $parent_node["title"];
                                $result_set[$counter]["original_position_ref_id"] = $parent_node["ref_id"];
                        }

                        ++$counter;
                }

                return $result_set;
        }
}