/**
* checks wether a user may invoke a command or not
* (this method is called by ilAccessHandler::checkAccess)
*
* @param string $a_cmd command (not permission!)
* @param string $a_permission permission
* @param int $a_ref_id reference id
* @param int $a_obj_id object id
* @param int $a_user_id user id (if not provided, current user is taken)
*
* @return boolean true, if everything is ok
*/
function _checkAccess($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id = "")
{
global $ilUser, $lng, $rbacsystem, $ilAccess;
if ($a_user_id == "") {
$a_user_id = $ilUser->getId();
}
switch ($a_cmd) {
case "listItems":
if (!ilObjMediaCastAccess::_lookupOnline($a_obj_id) && !$rbacsystem->checkAccessOfUser($a_user_id, 'write', $a_ref_id)) {
$ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
return false;
}
break;
// for permission query feature
// for permission query feature
case "infoScreen":
if (!ilObjMediaCastAccess::_lookupOnline($a_obj_id)) {
$ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
} else {
$ilAccess->addInfoItem(IL_STATUS_MESSAGE, $lng->txt("online"));
}
break;
}
switch ($a_permission) {
case "read":
case "visible":
if (!ilObjMediaCastAccess::_lookupOnline($a_obj_id) && !$rbacsystem->checkAccessOfUser($a_user_id, 'write', $a_ref_id)) {
$ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
return false;
}
break;
}
return true;
}
/**
* Get item properties
*
* @return array array of property arrays:
* "alert" (boolean) => display as an alert property (usually in red)
* "property" (string) => property name
* "value" (string) => property value
*/
function getProperties()
{
global $lng, $ilUser;
$props = array();
include_once "./Modules/MediaCast/classes/class.ilObjMediaCastAccess.php";
if (!ilObjMediaCastAccess::_lookupOnline($this->obj_id)) {
$props[] = array("alert" => true, "property" => $lng->txt("status"), "value" => $lng->txt("offline"));
}
return $props;
}
function ilObjectFeedWriter($a_ref_id, $a_userid = false, $a_purpose = false)
{
global $ilSetting, $lng;
parent::ilFeedWriter();
if ($a_ref_id <= 0) {
return;
}
include_once "./Services/Block/classes/class.ilBlockSetting.php";
$news_set = new ilSetting("news");
if (!$news_set->get("enable_rss_for_internal")) {
return;
}
$obj_id = ilObject::_lookupObjId($a_ref_id);
$obj_type = ilObject::_lookupType($obj_id);
$obj_title = ilObject::_lookupTitle($obj_id);
if (!ilBlockSetting::_lookup("news", "public_feed", 0, $obj_id)) {
return;
}
if ($ilSetting->get('short_inst_name') != "") {
$this->setChannelTitle($ilSetting->get('short_inst_name') . " - " . $this->prepareStr($loc . $obj_title));
} else {
$this->setChannelTitle("ILIAS" . " - " . $this->prepareStr($loc . $obj_title . ($a_purpose ? " - " . $a_purpose : "")));
}
$this->setChannelAbout(ILIAS_HTTP_PATH);
$this->setChannelLink(ILIAS_HTTP_PATH);
// not nice, to do: general solution
if ($obj_type == "mcst") {
include_once "./Modules/MediaCast/classes/class.ilObjMediaCastAccess.php";
if (!ilObjMediaCastAccess::_lookupOnline($obj_id)) {
$lng->loadLanguageModule("mcst");
$feed_item = new ilFeedItem();
$feed_item->setTitle($lng->txt("mcst_media_cast_not_online"));
$feed_item->setDescription($lng->txt("mcst_media_cast_not_online_text"));
$feed_item->setLink(ILIAS_HTTP_PATH . "/goto.php?client_id=" . CLIENT_ID . "&target=" . $item["context_obj_type"]);
$this->addItem($feed_item);
return;
}
}
include_once "./Services/Locator/classes/class.ilLocatorGUI.php";
$cont_loc = new ilLocatorGUI();
$cont_loc->addContextItems($a_ref_id, true);
$cont_loc->setTextOnly(true);
$loc = $cont_loc->getTextVersion();
if (trim($loc) != "") {
$loc = " [" . $loc . "] ";
}
$rss_period = ilNewsItem::_lookupRSSPeriod();
ilNewsItem::setPrivateFeedId($a_userid);
$news_item = new ilNewsItem();
$news_item->setContextObjId($obj_id);
$news_item->setContextObjType($obj_type);
$items = $news_item->getNewsForRefId($a_ref_id, true, false, $rss_period, true);
if ($a_purpose) {
include_once "./Services/MediaObjects/classes/class.ilMediaItem.php";
}
$i = 0;
foreach ($items as $item) {
$i++;
if ($a_purpose != false && $obj_type == "mcst") {
$mob = ilMediaItem::_getMediaItemsOfMObId($item[mob_id], $a_purpose);
if ($mob == false) {
continue;
}
}
$obj_title = ilObject::_lookupTitle($item["context_obj_id"]);
$feed_item = new ilFeedItem();
$title = ilNewsItem::determineNewsTitle($item["context_obj_type"], $item["title"], $item["content_is_lang_var"], $item["agg_ref_id"], $item["aggregation"]);
// path
$cont_loc = new ilLocatorGUI();
$cont_loc->addContextItems($item["ref_id"], true, $a_ref_id);
$cont_loc->setTextOnly(true);
$loc = $cont_loc->getHTML();
if (trim($loc) != "") {
$loc = "[" . $loc . "]";
}
if ($news_set->get("rss_title_format") == "news_obj") {
$sep = trim($this->prepareStr($loc)) == "" ? "" : " ";
$feed_item->setTitle($this->prepareStr($title) . " (" . $this->prepareStr($loc) . $sep . $this->prepareStr($obj_title) . ")");
} else {
$feed_item->setTitle($this->prepareStr($loc) . " " . $this->prepareStr($obj_title) . ": " . $this->prepareStr($title));
}
$feed_item->setDescription($this->prepareStr(nl2br(ilNewsItem::determineNewsContent($item["context_obj_type"], $item["content"], $item["content_text_is_lang_var"]))));
// lm hack, not nice
if (in_array($item["context_obj_type"], array("dbk", "lm")) && $item["context_sub_obj_type"] == "pg" && $item["context_sub_obj_id"] > 0) {
$feed_item->setLink(ILIAS_HTTP_PATH . "/goto.php?client_id=" . CLIENT_ID . "&target=pg_" . $item["context_sub_obj_id"] . "_" . $item["ref_id"]);
} else {
if ($item["context_obj_type"] == "wiki" && $item["context_sub_obj_type"] == "wpg" && $item["context_sub_obj_id"] > 0) {
include_once "./Modules/Wiki/classes/class.ilWikiPage.php";
$wptitle = ilWikiPage::lookupTitle($item["context_sub_obj_id"]);
$feed_item->setLink(ILIAS_HTTP_PATH . "/goto.php?client_id=" . CLIENT_ID . "&target=" . $item["context_obj_type"] . "_" . $item["ref_id"] . "_" . $wptitle);
} else {
if (in_array($item["context_obj_type"], array("frm")) && $item["context_sub_obj_type"] == "pos" && $item["context_sub_obj_id"] > 0) {
// frm hack, not nice
include_once "./Modules/Forum/classes/class.ilObjForumAccess.php";
$thread_id = ilObjForumAccess::_getThreadForPosting($item["context_sub_obj_id"]);
if ($thread_id > 0) {
$feed_item->setLink(ILIAS_HTTP_PATH . "/goto.php?client_id=" . CLIENT_ID . "&target=" . $item["context_obj_type"] . "_" . $item["ref_id"] . "_" . $thread_id . "_" . $item["context_sub_obj_id"]);
} else {
$feed_item->setLink(ILIAS_HTTP_PATH . "/goto.php?client_id=" . CLIENT_ID . "&target=" . $item["context_obj_type"] . "_" . $item["ref_id"]);
}
} else {
$feed_item->setLink(ILIAS_HTTP_PATH . "/goto.php?client_id=" . CLIENT_ID . "&target=" . $item["context_obj_type"] . "_" . $item["ref_id"]);
//echo "<br>".ILIAS_HTTP_PATH."/goto.php?client_id=".CLIENT_ID.
// "&target=".$item["context_obj_type"]."_".$item["ref_id"];
}
}
}
$feed_item->setAbout($feed_item->getLink() . "&il_about_feed=" . $item["id"]);
$feed_item->setDate($item["creation_date"]);
// Enclosure
if ($item["content_type"] == NEWS_AUDIO && $item["mob_id"] > 0 && ilObject::_exists($item["mob_id"])) {
$go_on = true;
if ($obj_type == "mcst") {
include_once "./Modules/MediaCast/classes/class.ilObjMediaCastAccess.php";
if (!ilObjMediaCastAccess::_lookupPublicFiles($obj_id)) {
$go_on = false;
}
}
if ($go_on) {
include_once "./Services/MediaObjects/classes/class.ilObjMediaObject.php";
$url = ilObjMediaObject::_lookupItemPath($item["mob_id"], true, true, $mob["purpose"]);
$file = ilObjMediaObject::_lookupItemPath($item["mob_id"], false, false, $mob["purpose"]);
if (is_file($file)) {
$size = filesize($file);
}
$feed_item->setEnclosureUrl($url);
$feed_item->setEnclosureType(isset($mob["format"]) ? $mob["format"] : "audio/mpeg");
$feed_item->setEnclosureLength($size);
}
}
$this->addItem($feed_item);
}
}
function ilUserFeedWriter($a_user_id, $a_hash, $privFeed = false)
{
global $ilSetting, $lng;
parent::ilFeedWriter();
//$lng->loadLanguageModule("news");
if ($a_user_id == "" || $a_hash == "") {
return;
}
$news_set = new ilSetting("news");
if (!$news_set->get("enable_rss_for_internal")) {
return;
}
include_once "Services/User/classes/class.ilObjUser.php";
$hash = ilObjUser::_lookupFeedHash($a_user_id);
include_once "./Services/News/classes/class.ilNewsItem.php";
$rss_period = ilNewsItem::_lookupRSSPeriod();
if ($a_hash == $hash) {
if ($privFeed) {
//ilNewsItem::setPrivateFeedId($a_user_id);
$items = ilNewsItem::_getNewsItemsOfUser($a_user_id, false, true, $rss_period);
} else {
$items = ilNewsItem::_getNewsItemsOfUser($a_user_id, true, true, $rss_period);
}
if ($ilSetting->get('short_inst_name') != "") {
$this->setChannelTitle($ilSetting->get('short_inst_name'));
} else {
$this->setChannelTitle("ILIAS");
}
$this->setChannelAbout(ILIAS_HTTP_PATH);
$this->setChannelLink(ILIAS_HTTP_PATH);
//$this->setChannelDescription("ILIAS Channel Description");
$i = 0;
foreach ($items as $item) {
$obj_id = ilObject::_lookupObjId($item["ref_id"]);
$obj_type = ilObject::_lookupType($obj_id);
$obj_title = ilObject::_lookupTitle($obj_id);
// not nice, to do: general solution
if ($obj_type == "mcst") {
include_once "./Modules/MediaCast/classes/class.ilObjMediaCastAccess.php";
if (!ilObjMediaCastAccess::_lookupOnline($obj_id)) {
continue;
}
}
$i++;
$feed_item = new ilFeedItem();
$title = ilNewsItem::determineNewsTitle($item["context_obj_type"], $item["title"], $item["content_is_lang_var"], $item["agg_ref_id"], $item["aggregation"]);
// path
$loc = $this->getContextPath($item["ref_id"]);
// title
if ($news_set->get("rss_title_format") == "news_obj") {
$feed_item->setTitle($this->prepareStr(str_replace("<br />", " ", $title)) . " (" . $this->prepareStr($loc) . " " . $this->prepareStr($obj_title) . ")");
} else {
$feed_item->setTitle($this->prepareStr($loc) . " " . $this->prepareStr($obj_title) . ": " . $this->prepareStr(str_replace("<br />", " ", $title)));
}
// description
$content = $this->prepareStr(nl2br(ilNewsItem::determineNewsContent($item["context_obj_type"], $item["content"], $item["content_text_is_lang_var"])));
$feed_item->setDescription($content);
// lm page hack, not nice
if (in_array($item["context_obj_type"], array("dbk", "lm")) && $item["context_sub_obj_type"] == "pg" && $item["context_sub_obj_id"] > 0) {
$feed_item->setLink(ILIAS_HTTP_PATH . "/goto.php?client_id=" . CLIENT_ID . "&target=pg_" . $item["context_sub_obj_id"] . "_" . $item["ref_id"]);
} else {
if ($item["context_obj_type"] == "wiki" && $item["context_sub_obj_type"] == "wpg" && $item["context_sub_obj_id"] > 0) {
include_once "./Modules/Wiki/classes/class.ilWikiPage.php";
$wptitle = ilWikiPage::lookupTitle($item["context_sub_obj_id"]);
$feed_item->setLink(ILIAS_HTTP_PATH . "/goto.php?client_id=" . CLIENT_ID . "&target=" . $item["context_obj_type"] . "_" . $item["ref_id"] . "_" . urlencode($wptitle));
// #14629
} else {
if (in_array($item["context_obj_type"], array("frm")) && $item["context_sub_obj_type"] == "pos" && $item["context_sub_obj_id"] > 0) {
// frm hack, not nice
include_once "./Modules/Forum/classes/class.ilObjForumAccess.php";
$thread_id = ilObjForumAccess::_getThreadForPosting($item["context_sub_obj_id"]);
if ($thread_id > 0) {
$feed_item->setLink(ILIAS_HTTP_PATH . "/goto.php?client_id=" . CLIENT_ID . "&target=" . $item["context_obj_type"] . "_" . $item["ref_id"] . "_" . $thread_id . "_" . $item["context_sub_obj_id"]);
} else {
$feed_item->setLink(ILIAS_HTTP_PATH . "/goto.php?client_id=" . CLIENT_ID . "&target=" . $item["context_obj_type"] . "_" . $item["ref_id"]);
}
} else {
$feed_item->setLink(ILIAS_HTTP_PATH . "/goto.php?client_id=" . CLIENT_ID . "&target=" . $item["context_obj_type"] . "_" . $item["ref_id"]);
}
}
}
$feed_item->setAbout($feed_item->getLink() . "&il_about_feed=" . $item["id"]);
$feed_item->setDate($item["creation_date"]);
$this->addItem($feed_item);
}
}
}
/**
*
*
* @param
* @return
*/
function checkAccessMobUsage($usage, $oid)
{
/**
* @var $ilObjDataCache ilObjectDataCache
*/
global $ilObjDataCache;
switch ($usage['type']) {
case 'lm:pg':
if ($oid > 0) {
if ($this->checkAccessLM($oid, 'lm', $usage['id'])) {
return true;
}
}
break;
case 'news':
// media objects in news (media casts)
include_once "./Modules/MediaCast/classes/class.ilObjMediaCastAccess.php";
include_once "./Services/News/classes/class.ilNewsItem.php";
if ($this->checkAccessObject($oid, 'mcst')) {
return true;
} elseif (ilObjMediaCastAccess::_lookupPublicFiles($oid) && ilNewsItem::_lookupVisibility($usage["id"]) == NEWS_PUBLIC) {
return true;
}
break;
case 'dcl:html':
include_once "./Modules/DataCollection/classes/class.ilObjDataCollectionAccess.php";
include_once "./Services/Object/classes/class.ilObject2.php";
$ref_ids = ilObject2::_getAllReferences($oid);
foreach ($ref_ids as $ref_id) {
if (ilObjDataCollectionAccess::_checkAccess("view", "read", $ref_id, $oid)) {
return true;
}
}
break;
case 'frm~:html':
// $oid = userid
foreach ($this->check_users as $user_id) {
if ($ilObjDataCache->lookupType($oid) == 'usr' && $oid == $user_id) {
return true;
}
}
break;
case 'qpl:pg':
case 'qpl:html':
// test questions
if ($this->checkAccessTestQuestion($oid, $usage['id'])) {
return true;
}
break;
case 'gdf:pg':
// special check for glossary terms
if ($this->checkAccessGlossaryTerm($oid, $usage['id'])) {
return true;
}
break;
case 'sahs:pg':
// check for scorm pages
if ($this->checkAccessObject($oid, 'sahs')) {
return true;
}
break;
case 'prtf:pg':
// special check for portfolio pages
if ($this->checkAccessPortfolioPage($oid, $usage['id'])) {
return true;
}
break;
case 'blp:pg':
// special check for blog pages
if ($this->checkAccessBlogPage($oid, $usage['id'])) {
return true;
}
break;
default:
// standard object check
if ($this->checkAccessObject($oid)) {
return true;
}
break;
}
return false;
}
/**
*
*
* @param
* @return
*/
function checkAccessMobUsage($usage, $oid)
{
/**
* @var $ilObjDataCache ilObjectDataCache
*/
global $ilObjDataCache;
switch ($usage['type']) {
case 'lm:pg':
if ($this->checkAccessObject($oid, 'lm')) {
return true;
}
/* as $usage['id'] (== page) is not processed anymore, we can use standard
if ($oid > 0)
{
if ($this->checkAccessLM($oid, 'lm', $usage['id']))
{
return true;
}
}
*/
break;
case 'news':
// media objects in news (media casts)
include_once "./Modules/MediaCast/classes/class.ilObjMediaCastAccess.php";
include_once "./Services/News/classes/class.ilNewsItem.php";
if ($this->checkAccessObject($oid, 'mcst')) {
return true;
} elseif (ilObjMediaCastAccess::_lookupPublicFiles($oid) && ilNewsItem::_lookupVisibility($usage["id"]) == NEWS_PUBLIC) {
return true;
}
break;
/* see default
case 'dcl:html':
include_once("./Modules/DataCollection/classes/class.ilObjDataCollectionAccess.php");
include_once("./Services/Object/classes/class.ilObject2.php");
$ref_ids = ilObject2::_getAllReferences($oid);
foreach($ref_ids as $ref_id)
if(ilObjDataCollectionAccess::_checkAccess("view", "read", $ref_id, $oid))
return true;
break;
*/
/* see default
case 'dcl:html':
include_once("./Modules/DataCollection/classes/class.ilObjDataCollectionAccess.php");
include_once("./Services/Object/classes/class.ilObject2.php");
$ref_ids = ilObject2::_getAllReferences($oid);
foreach($ref_ids as $ref_id)
if(ilObjDataCollectionAccess::_checkAccess("view", "read", $ref_id, $oid))
return true;
break;
*/
case 'frm~:html':
case 'exca~:html':
// $oid = userid
foreach ($this->check_users as $user_id) {
if ($ilObjDataCache->lookupType($oid) == 'usr' && $oid == $user_id) {
return true;
}
}
break;
case 'qpl:pg':
case 'qpl:html':
// test questions
if ($this->checkAccessTestQuestion($oid, $usage['id'])) {
return true;
}
break;
case 'gdf:pg':
// special check for glossary terms
if ($this->checkAccessGlossaryTerm($oid, $usage['id'])) {
return true;
}
break;
case 'sahs:pg':
// check for scorm pages
if ($this->checkAccessObject($oid, 'sahs')) {
return true;
}
break;
case 'prtf:pg':
// special check for portfolio pages
if ($this->checkAccessPortfolioPage($oid, $usage['id'])) {
return true;
}
break;
case 'blp:pg':
// special check for blog pages
if ($this->checkAccessBlogPage($oid, $usage['id'])) {
return true;
}
break;
case 'lobj:pg':
// special check for learning objective pages
if ($this->checkAccessLearningObjectivePage($oid, $usage['id'])) {
return true;
}
break;
case 'impr:pg':
include_once 'Services/Imprint/classes/class.ilImprint.php';
return ilImprint::isActive() || $this->checkAccessObject(SYSTEM_FOLDER_ID, 'adm');
case 'cstr:pg':
default:
// standard object check
if ($this->checkAccessObject($oid)) {
return true;
}
break;
}
return false;
}
/**
* Gets the disk usage of the object in bytes.
*
* @access public
* @return integer the disk usage in bytes
*/
function getDiskUsage()
{
require_once "./Modules/MediaCast/classes/class.ilObjMediaCastAccess.php";
return ilObjMediaCastAccess::_lookupDiskUsage($this->id);
}
