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seeddms-code/LetoDMS_Core/Core/inc.ClassFolder.php

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<?php
/**
* Implementation of a folder in the document management system
*
* @category DMS
* @package LetoDMS_Core
* @license GPL2
* @author Markus Westphal, Malcolm Cowe, Matteo Lucarelli,
* Uwe Steinmann <uwe@steinmann.cx>
* @copyright Copyright (C) 2002-2005 Markus Westphal, 2006-2008 Malcolm Cowe,
* 2010 Matteo Lucarelli, 2010 Uwe Steinmann
* @version Release: @package_version@
*/
/**
* Class to represent a folder in the document management system
*
* A folder in LetoDMS is equivalent to a directory in a regular file
* system. It can contain further subfolders and documents. Each folder
* has a single parent except for the root folder which has no parent.
*
* @category DMS
* @package LetoDMS_Core
* @version @version@
* @author Uwe Steinmann <uwe@steinmann.cx>
* @copyright Copyright (C) 2002-2005 Markus Westphal, 2006-2008 Malcolm Cowe,
* 2010 Matteo Lucarelli, 2010 Uwe Steinmann
* @version Release: @package_version@
*/
class LetoDMS_Core_Folder {
/**
* @var integer unique id of folder
*/
var $_id;
/**
* @var string name of folder
*/
var $_name;
/**
* @var integer id of parent folder
*/
var $_parentID;
/**
* @var string comment of document
*/
var $_comment;
/**
* @var integer id of user who is the owner
*/
var $_ownerID;
/**
* @var boolean true if access is inherited, otherwise false
*/
var $_inheritAccess;
/**
* @var integer default access if access rights are not inherited
*/
var $_defaultAccess;
/**
* @var array list of notifications for users and groups
*/
var $_notifyList;
/**
* @var integer position of folder within the parent folder
*/
var $_sequence;
/**
* @var object back reference to document management system
*/
var $_dms;
function LetoDMS_Core_Folder($id, $name, $parentID, $comment, $date, $ownerID, $inheritAccess, $defaultAccess, $sequence) { /* {{{ */
$this->_id = $id;
$this->_name = $name;
$this->_parentID = $parentID;
$this->_comment = $comment;
$this->_date = $date;
$this->_ownerID = $ownerID;
$this->_inheritAccess = $inheritAccess;
$this->_defaultAccess = $defaultAccess;
$this->_sequence = $sequence;
$this->_notifyList = array();
$this->_dms = null;
} /* }}} */
/*
* Set dms this folder belongs to.
*
* Each folder needs a reference to the dms it belongs to. It will be
* set when the folder is created by LetoDMS::getFolder(). The dms has a
* references to the currently logged in user and the database connection.
*
* @param object $dms reference to dms
*/
function setDMS($dms) { /* {{{ */
$this->_dms = $dms;
} /* }}} */
/*
* Get the internal id of the folder.
*
* @return integer id of folder
*/
function getID() { return $this->_id; }
/*
* Get the name of the folder.
*
* @return string name of folder
*/
function getName() { return $this->_name; }
/*
* Set the name of the folder.
*
* @param string $newName set a new name of the folder
*/
function setName($newName) { /* {{{ */
$db = $this->_dms->getDB();
$queryStr = "UPDATE tblFolders SET name = " . $db->qstr($newName) . " WHERE id = ". $this->_id;
if (!$db->getResult($queryStr))
return false;
$this->_name = $newName;
return true;
} /* }}} */
function getComment() { return $this->_comment; }
function setComment($newComment) { /* {{{ */
$db = $this->_dms->getDB();
$queryStr = "UPDATE tblFolders SET comment = " . $db->qstr($newComment) . " WHERE id = ". $this->_id;
if (!$db->getResult($queryStr))
return false;
$this->_comment = $newComment;
return true;
} /* }}} */
/**
* Return creation date of folder
*
* @return integer unix timestamp of creation date
*/
function getDate() { /* {{{ */
return $this->_date;
} /* }}} */
/**
* Returns the parent
*
* @return object parent folder or false if there is no parent folder
*/
function getParent() { /* {{{ */
if ($this->_id == $this->_dms->rootFolderID || empty($this->_parentID)) {
return false;
}
if (!isset($this->_parent)) {
$this->_parent = $this->_dms->getFolder($this->_parentID);
}
return $this->_parent;
} /* }}} */
/**
* Set a new folder
*
* This function moves a folder from one parent folder into another parent
* folder. It will fail if the root folder is moved.
*
* @param object new parent folder
* @return boolean true if operation was successful otherwise false
*/
function setParent($newParent) { /* {{{ */
$db = $this->_dms->getDB();
if ($this->_id == $this->_dms->rootFolderID || empty($this->_parentID)) {
return false;
}
// Update the folderList of the folder
$pathPrefix="";
$path = $newParent->getPath();
foreach ($path as $f) {
$pathPrefix .= ":".$f->getID();
}
if (strlen($pathPrefix)>1) {
$pathPrefix .= ":";
}
$queryStr = "UPDATE tblFolders SET parent = ".$newParent->getID().", folderList='".$pathPrefix."' WHERE id = ". $this->_id;
$res = $db->getResult($queryStr);
if (!$res)
return false;
$this->_parentID = $newParent->getID();
$this->_parent = $newParent;
// Must also ensure that any documents in this folder tree have their
// folderLists updated.
$pathPrefix="";
$path = $this->getPath();
foreach ($path as $f) {
$pathPrefix .= ":".$f->getID();
}
if (strlen($pathPrefix)>1) {
$pathPrefix .= ":";
}
$queryStr = "SELECT `tblDocuments`.`id`, `tblDocuments`.`folderList` FROM `tblDocuments` WHERE `folderList` LIKE '%:".$this->_id.":%'";
$resArr = $db->getResultArray($queryStr);
if (is_bool($resArr) && $resArr == false)
return false;
foreach ($resArr as $row) {
$newPath = preg_replace("/^.*:".$this->_id.":(.*$)/", $pathPrefix."\\1", $row["folderList"]);
$queryStr="UPDATE `tblDocuments` SET `folderList` = '".$newPath."' WHERE `tblDocuments`.`id` = '".$row["id"]."'";
$res = $db->getResult($queryStr);
}
return true;
} /* }}} */
/**
* Returns the owner
*
* @return object owner of the folder
*/
function getOwner() { /* {{{ */
if (!isset($this->_owner))
$this->_owner = $this->_dms->getUser($this->_ownerID);
return $this->_owner;
} /* }}} */
/**
* Set the owner
*
* @param object new owner of the folder
* @return boolean true if successful otherwise false
*/
function setOwner($newOwner) { /* {{{ */
$db = $this->_dms->getDB();
$queryStr = "UPDATE tblFolders set owner = " . $newOwner->getID() . " WHERE id = " . $this->_id;
if (!$db->getResult($queryStr))
return false;
$this->_ownerID = $newOwner->getID();
$this->_owner = $newOwner;
return true;
} /* }}} */
function getDefaultAccess() { /* {{{ */
if ($this->inheritsAccess()) {
$res = $this->getParent();
if (!$res) return false;
return $this->_parent->getDefaultAccess();
}
return $this->_defaultAccess;
} /* }}} */
function setDefaultAccess($mode) { /* {{{ */
$db = $this->_dms->getDB();
$queryStr = "UPDATE tblFolders set defaultAccess = " . (int) $mode . " WHERE id = " . $this->_id;
if (!$db->getResult($queryStr))
return false;
$this->_defaultAccess = $mode;
// If any of the notification subscribers no longer have read access,
// remove their subscription.
if (empty($this->_notifyList))
$this->getNotifyList();
foreach ($this->_notifyList["users"] as $u) {
if ($this->getAccessMode($u) < M_READ) {
$this->removeNotify($u->getID(), true);
}
}
foreach ($this->_notifyList["groups"] as $g) {
if ($this->getGroupAccessMode($g) < M_READ) {
$this->removeNotify($g->getID(), false);
}
}
return true;
} /* }}} */
function inheritsAccess() { return $this->_inheritAccess; }
function setInheritAccess($inheritAccess) { /* {{{ */
$db = $this->_dms->getDB();
$inheritAccess = ($inheritAccess) ? "1" : "0";
$queryStr = "UPDATE tblFolders SET inheritAccess = " . (int) $inheritAccess . " WHERE id = " . $this->_id;
if (!$db->getResult($queryStr))
return false;
$this->_inheritAccess = $inheritAccess;
// If any of the notification subscribers no longer have read access,
// remove their subscription.
if (empty($this->_notifyList))
$this->getNotifyList();
foreach ($this->_notifyList["users"] as $u) {
if ($this->getAccessMode($u) < M_READ) {
$this->removeNotify($u->getID(), true);
}
}
foreach ($this->_notifyList["groups"] as $g) {
if ($this->getGroupAccessMode($g) < M_READ) {
$this->removeNotify($g->getID(), false);
}
}
return true;
} /* }}} */
function getSequence() { return $this->_sequence; }
function setSequence($seq) { /* {{{ */
$db = $this->_dms->getDB();
$queryStr = "UPDATE tblFolders SET sequence = " . $seq . " WHERE id = " . $this->_id;
if (!$db->getResult($queryStr))
return false;
$this->_sequence = $seq;
return true;
} /* }}} */
/**
* Returns a list of subfolders
* This function does not check for access rights. Use
* {@link LetoDMS_Core_DMS::filterAccess} for checking each folder against
* the currently logged in user and the access rights.
*
* @param string $orderby if set to 'n' the list is ordered by name, otherwise
* it will be ordered by sequence
* @return array list of folder objects or false in case of an error
*/
function getSubFolders($orderby="") { /* {{{ */
$db = $this->_dms->getDB();
if (!isset($this->_subFolders)) {
if ($orderby=="n") $queryStr = "SELECT * FROM tblFolders WHERE parent = " . $this->_id . " ORDER BY name";
else $queryStr = "SELECT * FROM tblFolders WHERE parent = " . $this->_id . " ORDER BY sequence";
$resArr = $db->getResultArray($queryStr);
if (is_bool($resArr) && $resArr == false)
return false;
$this->_subFolders = array();
for ($i = 0; $i < count($resArr); $i++)
// $this->_subFolders[$i] = new LetoDMS_Core_Folder($resArr[$i]["id"], $resArr[$i]["name"], $resArr[$i]["parent"], $resArr[$i]["comment"], $resArr[$i]["owner"], $resArr[$i]["inheritAccess"], $resArr[$i]["defaultAccess"], $resArr[$i]["sequence"]);
$this->_subFolders[$i] = $this->_dms->getFolder($resArr[$i]["id"]);
}
return $this->_subFolders;
} /* }}} */
function addSubFolder($name, $comment, $owner, $sequence) { /* {{{ */
$db = $this->_dms->getDB();
// Set the folderList of the folder
$pathPrefix="";
$path = $this->getPath();
foreach ($path as $f) {
$pathPrefix .= ":".$f->getID();
}
if (strlen($pathPrefix)>1) {
$pathPrefix .= ":";
}
//inheritAccess = true, defaultAccess = M_READ
$queryStr = "INSERT INTO tblFolders (name, parent, folderList, comment, date, owner, inheritAccess, defaultAccess, sequence) ".
"VALUES (".$db->qstr($name).", ".$this->_id.", ".$db->qstr($pathPrefix).", ".$db->qstr($comment).", ".mktime().", ".$owner->getID().", 1, ".M_READ.", ". $sequence.")";
if (!$db->getResult($queryStr))
return false;
$newFolder = $this->_dms->getFolder($db->getInsertID());
unset($this->_subFolders);
return $newFolder;
} /* }}} */
/**
* Returns an array of all parents, grand parent, etc. up to root folder.
* The folder itself is the last element of the array.
*
* @return array Array of parents
*/
function getPath() { /* {{{ */
if (!isset($this->_parentID) || ($this->_parentID == "") || ($this->_parentID == 0)) {
return array($this);
}
else {
$res = $this->getParent();
if (!$res) return false;
$path = $this->_parent->getPath();
if (!$path) return false;
array_push($path, $this);
return $path;
}
} /* }}} */
/**
* Returns a unix file system path
*
* @return string path separated with '/'
*/
function getFolderPathPlain() { /* {{{ */
$path="";
$folderPath = $this->getPath();
for ($i = 0; $i < count($folderPath); $i++) {
$path .= $folderPath[$i]->getName();
if ($i +1 < count($folderPath))
$path .= " / ";
}
return $path;
} /* }}} */
/**
* Check, if this folder is a subfolder of a given folder
*
* @param object $folder parent folder
* @return boolean true if folder is a subfolder
*/
function isDescendant($folder) { /* {{{ */
if ($this->_parentID == $folder->getID())
return true;
elseif (isset($this->_parentID)) {
$res = $this->getParent();
if (!$res) return false;
return $this->_parent->isDescendant($folder);
} else
return false;
} /* }}} */
/**
* Get all documents of the folder
* This function does not check for access rights. Use
* {@link LetoDMS_Core_DMS::filterAccess} for checking each document against
* the currently logged in user and the access rights.
*
* @param string $orderby if set to 'n' the list is ordered by name, otherwise
* it will be ordered by sequence
* @return array list of documents or false in case of an error
*/
function getDocuments($orderby="") { /* {{{ */
$db = $this->_dms->getDB();
if (!isset($this->_documents)) {
if ($orderby=="n") $queryStr = "SELECT * FROM tblDocuments WHERE folder = " . $this->_id . " ORDER BY name";
else $queryStr = "SELECT * FROM tblDocuments WHERE folder = " . $this->_id . " ORDER BY sequence";
$resArr = $db->getResultArray($queryStr);
if (is_bool($resArr) && !$resArr)
return false;
$this->_documents = array();
foreach ($resArr as $row) {
// array_push($this->_documents, new LetoDMS_Core_Document($row["id"], $row["name"], $row["comment"], $row["date"], $row["expires"], $row["owner"], $row["folder"], $row["inheritAccess"], $row["defaultAccess"], isset($row["lockUser"])?$row["lockUser"]:NULL, $row["keywords"], $row["sequence"]));
array_push($this->_documents, $this->_dms->getDocument($row["id"]));
}
}
return $this->_documents;
} /* }}} */
// $comment will be used for both document and version leaving empty the version_comment
/**
* Add a new document to the folder
* This function will add a new document and its content from a given file.
* It does not check for access rights on the folder. The new documents
* default access right is read only and the access right is inherited.
*
* @param string $name name of new document
* @param string $comment comment of new document
* @param integer $expires expiration date as a unix timestamp or 0 for no
* expiration date
* @param object $owner owner of the new document
* @param string $keywords keywords of new document
* @param array $categories list of category ids
* @param string $tmpFile the path of the file containing the content
* @param string $orgFileName the original file name
* @param string $fileType usually the extension of the filename
* @param string $mimeType mime type of the content
* @param float $sequence position of new document within the folder
* @param array $reviewers list of users who must review this document
* @param array $approvers list of users who must approve this document
* @param string $reqversion version number of the content
* @param string $version_comment comment of the content. If left empty
* the $comment will be used.
* @return array/boolean false in case of error, otherwise an array
* containing two elements. The first one is the new document, the
* second one is the result set returned when inserting the content.
*/
function addDocument($name, $comment, $expires, $owner, $keywords, $categories, $tmpFile, $orgFileName, $fileType, $mimeType, $sequence, $reviewers=array(), $approvers=array(),$reqversion,$version_comment="") { /* {{{ */
$db = $this->_dms->getDB();
$expires = (!$expires) ? 0 : $expires;
// Must also ensure that the document has a valid folderList.
$pathPrefix="";
$path = $this->getPath();
foreach ($path as $f) {
$pathPrefix .= ":".$f->getID();
}
if (strlen($pathPrefix)>1) {
$pathPrefix .= ":";
}
$queryStr = "INSERT INTO tblDocuments (name, comment, date, expires, owner, folder, folderList, inheritAccess, defaultAccess, locked, keywords, sequence) VALUES ".
"(".$db->qstr($name).", ".$db->qstr($comment).", " . mktime().", ".(int) $expires.", ".$owner->getID().", ".$this->_id.",".$db->qstr($pathPrefix).", 1, ".M_READ.", -1, ".$db->qstr($keywords).", " . $sequence . ")";
if (!$db->getResult($queryStr))
return false;
$document = $this->_dms->getDocument($db->getInsertID());
if ($version_comment!="")
$res = $document->addContent($version_comment, $owner, $tmpFile, $orgFileName, $fileType, $mimeType, $reviewers, $approvers,$reqversion);
else $res = $document->addContent($comment, $owner, $tmpFile, $orgFileName, $fileType, $mimeType, $reviewers, $approvers,$reqversion);
if (is_bool($res) && !$res) {
$queryStr = "DELETE FROM tblDocuments WHERE id = " . $document->getID();
$db->getResult($queryStr);
return false;
}
if($categories) {
$document->setCategories($categories);
}
return array($document, $res);
} /* }}} */
function remove() { /* {{{ */
$db = $this->_dms->getDB();
// Do not delete the root folder.
if ($this->_id == $this->_dms->rootFolderID || !isset($this->_parentID) || ($this->_parentID == null) || ($this->_parentID == "") || ($this->_parentID == 0)) {
return false;
}
//Entfernen der Unterordner und Dateien
$res = $this->getSubFolders();
if (is_bool($res) && !$res) return false;
$res = $this->getDocuments();
if (is_bool($res) && !$res) return false;
foreach ($this->_subFolders as $subFolder) {
$res = $subFolder->remove(FALSE);
if (!$res) return false;
}
foreach ($this->_documents as $document) {
$res = $document->remove(FALSE);
if (!$res) return false;
}
//Entfernen der Datenbankeintr<74>ge
$queryStr = "DELETE FROM tblFolders WHERE id = " . $this->_id;
if (!$db->getResult($queryStr))
return false;
$queryStr = "DELETE FROM tblACLs WHERE target = ". $this->_id. " AND targetType = " . T_FOLDER;
if (!$db->getResult($queryStr))
return false;
$queryStr = "DELETE FROM tblNotify WHERE target = ". $this->_id. " AND targetType = " . T_FOLDER;
if (!$db->getResult($queryStr))
return false;
return true;
} /* }}} */
/**
* Returns a list of access privileges
*
* If the document inherits the access privileges from the parent folder
* those will be returned.
* $mode and $op can be set to restrict the list of returned access
* privileges. If $mode is set to M_ANY no restriction will apply
* regardless of the value of $op. The returned array contains a list
* of {@link LetoDMS_Core_UserAccess} and
* {@link LetoDMS_Core_GroupAccess} objects. Even if the document
* has no access list the returned array contains the two elements
* 'users' and 'groups' which are than empty. The methode returns false
* if the function fails.
*
* @param integer $mode access mode (defaults to M_ANY)
* @param integer $op operation (defaults to O_EQ)
* @return array multi dimensional array
*/
function getAccessList($mode = M_ANY, $op = O_EQ) { /* {{{ */
$db = $this->_dms->getDB();
if ($this->inheritsAccess()) {
$res = $this->getParent();
if (!$res) return false;
return $this->_parent->getAccessList($mode, $op);
}
if (!isset($this->_accessList[$mode])) {
if ($op!=O_GTEQ && $op!=O_LTEQ && $op!=O_EQ) {
return false;
}
$modeStr = "";
if ($mode!=M_ANY) {
$modeStr = " AND mode".$op.(int)$mode;
}
$queryStr = "SELECT * FROM tblACLs WHERE targetType = ".T_FOLDER.
" AND target = " . $this->_id . $modeStr . " ORDER BY targetType";
$resArr = $db->getResultArray($queryStr);
if (is_bool($resArr) && !$resArr)
return false;
$this->_accessList[$mode] = array("groups" => array(), "users" => array());
foreach ($resArr as $row) {
if ($row["userID"] != -1)
array_push($this->_accessList[$mode]["users"], new LetoDMS_Core_UserAccess($this->_dms->getUser($row["userID"]), $row["mode"]));
else //if ($row["groupID"] != -1)
array_push($this->_accessList[$mode]["groups"], new LetoDMS_Core_GroupAccess($this->_dms->getGroup($row["groupID"]), $row["mode"]));
}
}
return $this->_accessList[$mode];
} /* }}} */
/**
* Delete all entries for this folder from the access control list
*
* @return boolean true if operation was successful otherwise false
*/
function clearAccessList() { /* {{{ */
$db = $this->_dms->getDB();
$queryStr = "DELETE FROM tblACLs WHERE targetType = " . T_FOLDER . " AND target = " . $this->_id;
if (!$db->getResult($queryStr))
return false;
unset($this->_accessList);
return true;
} /* }}} */
/**
* Add access right to folder
* This function may change in the future. Instead of passing the a flag
* and a user/group id a user or group object will be expected.
*
* @param integer $mode access mode
* @param integer $userOrGroupID id of user or group
* @param integer $isUser set to 1 if $userOrGroupID is the id of a
* user
*/
function addAccess($mode, $userOrGroupID, $isUser) { /* {{{ */
$db = $this->_dms->getDB();
$userOrGroup = ($isUser) ? "userID" : "groupID";
$queryStr = "INSERT INTO tblACLs (target, targetType, ".$userOrGroup.", mode) VALUES
(".$this->_id.", ".T_FOLDER.", " . (int) $userOrGroupID . ", " .(int) $mode. ")";
if (!$db->getResult($queryStr))
return false;
unset($this->_accessList);
// Update the notify list, if necessary.
if ($mode == M_NONE) {
$this->removeNotify($userOrGroupID, $isUser);
}
return true;
} /* }}} */
/**
* Change access right of folder
* This function may change in the future. Instead of passing the a flag
* and a user/group id a user or group object will be expected.
*
* @param integer $newMode access mode
* @param integer $userOrGroupID id of user or group
* @param integer $isUser set to 1 if $userOrGroupID is the id of a
* user
*/
function changeAccess($newMode, $userOrGroupID, $isUser) { /* {{{ */
$db = $this->_dms->getDB();
$userOrGroup = ($isUser) ? "userID" : "groupID";
$queryStr = "UPDATE tblACLs SET mode = " . (int) $newMode . " WHERE targetType = ".T_FOLDER." AND target = " . $this->_id . " AND " . $userOrGroup . " = " . (int) $userOrGroupID;
if (!$db->getResult($queryStr))
return false;
unset($this->_accessList);
// Update the notify list, if necessary.
if ($newMode == M_NONE) {
$this->removeNotify($userOrGroupID, $isUser);
}
return true;
} /* }}} */
function removeAccess($userOrGroupID, $isUser) { /* {{{ */
$db = $this->_dms->getDB();
$userOrGroup = ($isUser) ? "userID" : "groupID";
$queryStr = "DELETE FROM tblACLs WHERE targetType = ".T_FOLDER." AND target = ".$this->_id." AND ".$userOrGroup." = " . (int) $userOrGroupID;
if (!$db->getResult($queryStr))
return false;
unset($this->_accessList);
// Update the notify list, if necessary.
$mode = ($isUser ? $this->getAccessMode($this->_dms->getUser($userOrGroupID)) : $this->getGroupAccessMode($this->_dms->getGroup($userOrGroupID)));
if ($mode == M_NONE) {
$this->removeNotify($userOrGroupID, $isUser);
}
return true;
} /* }}} */
/**
* Get the access mode of a user on the folder
*
* This function returns the access mode for a given user. An administrator
* and the owner of the folder has unrestricted access. A guest user has
* read only access or no access if access rights are further limited
* by access control lists. All other users have access rights according
* to the access control lists or the default access. This function will
* recursive check for access rights of parent folders if access rights
* are inherited.
*
* This function returns the access mode for a given user. An administrator
* and the owner of the folder has unrestricted access. A guest user has
* read only access or no access if access rights are further limited
* by access control lists. All other users have access rights according
* to the access control lists or the default access. This function will
* recursive check for access rights of parent folders if access rights
* are inherited.
*
* @param object $user user for which access shall be checked
* @return integer access mode
*/
function getAccessMode($user) { /* {{{ */
/* Admins have full access */
if ($user->isAdmin()) return M_ALL;
/* User has full access if he/she is the owner of the document */
if ($user->getID() == $this->_ownerID) return M_ALL;
/* Guest has read access by default, if guest login is allowed at all */
if ($user->isGuest()) {
$mode = $this->getDefaultAccess();
if ($mode >= M_READ) return M_READ;
else return M_NONE;
}
/* check ACLs */
$accessList = $this->getAccessList();
if (!$accessList) return false;
foreach ($accessList["users"] as $userAccess) {
if ($userAccess->getUserID() == $user->getID()) {
return $userAccess->getMode();
}
}
/* Get the highest right defined by a group */
$result = 0;
foreach ($accessList["groups"] as $groupAccess) {
if ($user->isMemberOfGroup($groupAccess->getGroup())) {
if ($groupAccess->getMode() > $result)
$result = $groupAccess->getMode();
// return $groupAccess->getMode();
}
}
if($result)
return $result;
$result = $this->getDefaultAccess();
return $result;
} /* }}} */
/**
* Get the access mode for a group on the folder
* This function returns the access mode for a given group. The algorithmn
* applied to get the access mode is the same as describe at
* {@link getAccessMode}
*
* @param object $group group for which access shall be checked
* @return integer access mode
*/
function getGroupAccessMode($group) { /* {{{ */
$highestPrivileged = M_NONE;
$foundInACL = false;
$accessList = $this->getAccessList();
if (!$accessList)
return false;
foreach ($accessList["groups"] as $groupAccess) {
if ($groupAccess->getGroupID() == $group->getID()) {
$foundInACL = true;
if ($groupAccess->getMode() > $highestPrivileged)
$highestPrivileged = $groupAccess->getMode();
if ($highestPrivileged == M_ALL) /* no need to check further */
return $highestPrivileged;
}
}
if ($foundInACL)
return $highestPrivileged;
/* Take default access */
return $this->getDefaultAccess();
} /* }}} */
/**
* Get a list of all notification
* This function returns all users and groups that have registerd a
* notification for the folder
*
* @return array array with a the elements 'users' and 'groups' which
* contain a list of users and groups.
*/
function getNotifyList() { /* {{{ */
if (empty($this->_notifyList)) {
$db = $this->_dms->getDB();
$queryStr ="SELECT * FROM tblNotify WHERE targetType = " . T_FOLDER . " AND target = " . $this->_id;
$resArr = $db->getResultArray($queryStr);
if (is_bool($resArr) && $resArr == false)
return false;
$this->_notifyList = array("groups" => array(), "users" => array());
foreach ($resArr as $row)
{
if ($row["userID"] != -1)
array_push($this->_notifyList["users"], $this->_dms->getUser($row["userID"]) );
else //if ($row["groupID"] != -1)
array_push($this->_notifyList["groups"], $this->_dms->getGroup($row["groupID"]) );
}
}
return $this->_notifyList;
} /* }}} */
/*
* Add a user/group to the notification list
* This function does not check if the currently logged in user
* is allowed to add a notification. This must be checked by the calling
* application.
*
* @param integer $userOrGroupID
* @param boolean $isUser true if $userOrGroupID is a user id otherwise false
* @return integer error code
* -1: Invalid User/Group ID.
* -2: Target User / Group does not have read access.
* -3: User is already subscribed.
* -4: Database / internal error.
* 0: Update successful.
*/
function addNotify($userOrGroupID, $isUser) { /* {{{ */
$db = $this->_dms->getDB();
$userOrGroup = ($isUser) ? "userID" : "groupID";
/* Verify that user / group exists */
$obj = ($isUser ? $this->_dms->getUser($userOrGroupID) : $this->_dms->getGroup($userOrGroupID));
if (!is_object($obj)) {
return -1;
}
/* Verify that the requesting user has permission to add the target to
* the notification system.
*/
/*
* The calling application should enforce the policy on who is allowed
* to add someone to the notification system. If is shall remain here
* the currently logged in user should be passed to this function
*
GLOBAL $user;
if ($user->isGuest()) {
return -2;
}
if (!$user->isAdmin()) {
if ($isUser) {
if ($user->getID() != $obj->getID()) {
return -2;
}
}
else {
if (!$obj->isMember($user)) {
return -2;
}
}
}
*/
//
// Verify that user / group has read access to the document.
//
if ($isUser) {
// Users are straightforward to check.
if ($this->getAccessMode($obj) < M_READ) {
return -2;
}
}
else {
// FIXME: Why not check the access list first and if this returns
// not result, then use the default access?
// Groups are a little more complex.
if ($this->getDefaultAccess() >= M_READ) {
// If the default access is at least READ-ONLY, then just make sure
// that the current group has not been explicitly excluded.
$acl = $this->getAccessList(M_NONE, O_EQ);
$found = false;
foreach ($acl["groups"] as $group) {
if ($group->getGroupID() == $userOrGroupID) {
$found = true;
break;
}
}
if ($found) {
return -2;
}
}
else {
// The default access is restricted. Make sure that the group has
// been explicitly allocated access to the document.
$acl = $this->getAccessList(M_READ, O_GTEQ);
if (is_bool($acl)) {
return -4;
}
$found = false;
foreach ($acl["groups"] as $group) {
if ($group->getGroupID() == $userOrGroupID) {
$found = true;
break;
}
}
if (!$found) {
return -2;
}
}
}
//
// Check to see if user/group is already on the list.
//
$queryStr = "SELECT * FROM `tblNotify` WHERE `tblNotify`.`target` = '".$this->_id."' ".
"AND `tblNotify`.`targetType` = '".T_FOLDER."' ".
"AND `tblNotify`.`".$userOrGroup."` = '". (int) $userOrGroupID."'";
$resArr = $db->getResultArray($queryStr);
if (is_bool($resArr)) {
return -4;
}
if (count($resArr)>0) {
return -3;
}
$queryStr = "INSERT INTO tblNotify (target, targetType, " . $userOrGroup . ") VALUES (" . $this->_id . ", " . T_FOLDER . ", " . (int) $userOrGroupID . ")";
if (!$db->getResult($queryStr))
return -4;
unset($this->_notifyList);
return 0;
} /* }}} */
/*
* Removes notify for a user or group to folder
* This function does not check if the currently logged in user
* is allowed to remove a notification. This must be checked by the calling
* application.
*
* @param integer $userOrGroupID
* @param boolean $isUser true if $userOrGroupID is a user id otherwise false
* @return integer error code
* -1: Invalid User/Group ID.
* -3: User is not subscribed.
* -4: Database / internal error.
* 0: Update successful.
*/
function removeNotify($userOrGroupID, $isUser) { /* {{{ */
$db = $this->_dms->getDB();
/* Verify that user / group exists. */
$obj = ($isUser ? $this->_dms->getUser($userOrGroupID) : $this->_dms->getGroup($userOrGroupID));
if (!is_object($obj)) {
return -1;
}
$userOrGroup = ($isUser) ? "userID" : "groupID";
/* Verify that the requesting user has permission to add the target to
* the notification system.
*/
/*
* The calling application should enforce the policy on who is allowed
* to add someone to the notification system. If is shall remain here
* the currently logged in user should be passed to this function
*
GLOBAL $user;
if ($user->isGuest()) {
return -2;
}
if (!$user->isAdmin()) {
if ($isUser) {
if ($user->getID() != $obj->getID()) {
return -2;
}
}
else {
if (!$obj->isMember($user)) {
return -2;
}
}
}
*/
//
// Check to see if the target is in the database.
//
$queryStr = "SELECT * FROM `tblNotify` WHERE `tblNotify`.`target` = '".$this->_id."' ".
"AND `tblNotify`.`targetType` = '".T_FOLDER."' ".
"AND `tblNotify`.`".$userOrGroup."` = '". (int) $userOrGroupID."'";
$resArr = $db->getResultArray($queryStr);
if (is_bool($resArr)) {
return -4;
}
if (count($resArr)==0) {
return -3;
}
$queryStr = "DELETE FROM tblNotify WHERE target = " . $this->_id . " AND targetType = " . T_FOLDER . " AND " . $userOrGroup . " = " . (int) $userOrGroupID;
if (!$db->getResult($queryStr))
return -4;
unset($this->_notifyList);
return 0;
} /* }}} */
function getApproversList() { /* {{{ */
$db = $this->_dms->getDB();
if (!isset($this->_approversList)) {
$this->_approversList = array("groups" => array(), "users" => array());
$userIDs = "";
$groupIDs = "";
$defAccess = $this->getDefaultAccess();
if ($defAccess<M_READ) {
// Get the list of all users and groups that are listed in the ACL as
// having write access to the folder.
$tmpList = $this->getAccessList(M_READ, O_GTEQ);
}
else {
// Get the list of all users and groups that DO NOT have write access
// to the folder.
$tmpList = $this->getAccessList(M_NONE, O_LTEQ);
}
foreach ($tmpList["groups"] as $groupAccess) {
$groupIDs .= (strlen($groupIDs)==0 ? "" : ", ") . $groupAccess->getGroupID();
}
foreach ($tmpList["users"] as $userAccess) {
$user = $userAccess->getUser();
if (!$user->isGuest()) {
$userIDs .= (strlen($userIDs)==0 ? "" : ", ") . $userAccess->getUserID();
}
}
// Construct a query against the users table to identify those users
// that have write access to this folder, either directly through an
// ACL entry, by virtue of ownership or by having administrative rights
// on the database.
$queryStr="";
if ($defAccess < M_READ) {
if (strlen($groupIDs)>0) {
$queryStr = "(SELECT `tblUsers`.* FROM `tblUsers` ".
"LEFT JOIN `tblGroupMembers` ON `tblGroupMembers`.`userID`=`tblUsers`.`id` ".
"WHERE `tblGroupMembers`.`groupID` IN (". $groupIDs .") ".
"AND `tblUsers`.`role` != ".LetoDMS_Core_User::role_guest.")";
}
$queryStr .= (strlen($queryStr)==0 ? "" : " UNION ").
"(SELECT `tblUsers`.* FROM `tblUsers` ".
"WHERE (`tblUsers`.`role` != ".LetoDMS_Core_User::role_guest.") ".
"AND ((`tblUsers`.`id` = ". $this->_ownerID . ") ".
"OR (`tblUsers`.`role` = ".LetoDMS_Core_User::role_admin.")".
(strlen($userIDs) == 0 ? "" : " OR (`tblUsers`.`id` IN (". $userIDs ."))").
")) ORDER BY `login`";
}
else {
if (strlen($groupIDs)>0) {
$queryStr = "(SELECT `tblUsers`.* FROM `tblUsers` ".
"LEFT JOIN `tblGroupMembers` ON `tblGroupMembers`.`userID`=`tblUsers`.`id` ".
"WHERE `tblGroupMembers`.`groupID` NOT IN (". $groupIDs .")".
"AND `tblUsers`.`role` != ".LetoDMS_Core_User::role_guest." ".
(strlen($userIDs) == 0 ? ")" : " AND (`tblUsers`.`id` NOT IN (". $userIDs .")))");
}
$queryStr .= (strlen($queryStr)==0 ? "" : " UNION ").
"(SELECT `tblUsers`.* FROM `tblUsers` ".
"WHERE (`tblUsers`.`id` = ". $this->_ownerID . ") ".
"OR (`tblUsers`.`role` = ".LetoDMS_Core_User::role_admin."))".
"UNION ".
"(SELECT `tblUsers`.* FROM `tblUsers` ".
"WHERE `tblUsers`.`role` != ".LetoDMS_Core_User::role_guest." ".
(strlen($userIDs) == 0 ? ")" : " AND (`tblUsers`.`id` NOT IN (". $userIDs .")))").
" ORDER BY `login`";
}
$resArr = $db->getResultArray($queryStr);
if (!is_bool($resArr)) {
foreach ($resArr as $row) {
$user = $this->_dms->getUser($row['id']);
if (!$this->_dms->enableAdminRevApp && $user->isAdmin()) continue;
$this->_approversList["users"][] = $user;
}
}
// Assemble the list of groups that have write access to the folder.
$queryStr="";
if ($defAccess < M_READ) {
if (strlen($groupIDs)>0) {
$queryStr = "SELECT `tblGroups`.* FROM `tblGroups` ".
"WHERE `tblGroups`.`id` IN (". $groupIDs .")";
}
}
else {
if (strlen($groupIDs)>0) {
$queryStr = "SELECT `tblGroups`.* FROM `tblGroups` ".
"WHERE `tblGroups`.`id` NOT IN (". $groupIDs .")";
}
else {
$queryStr = "SELECT `tblGroups`.* FROM `tblGroups`";
}
}
if (strlen($queryStr)>0) {
$resArr = $db->getResultArray($queryStr);
if (!is_bool($resArr)) {
foreach ($resArr as $row) {
$group = $this->_dms->getGroup($row["id"]);
$this->_approversList["groups"][] = $group;
}
}
}
}
return $this->_approversList;
} /* }}} */
/**
* Get the internally used folderList which stores the ids of folders from
* the root folder to the parent folder.
*
* @return string column separated list of folder ids
*/
function getFolderList() { /* {{{ */
$db = $this->_dms->getDB();
$queryStr = "SELECT folderList FROM tblFolders where id = ".$this->_id;
$resArr = $db->getResultArray($queryStr);
if (is_bool($resArr) && !$resArr)
return false;
return $resArr[0]['folderList'];
} /* }}} */
/**
* Checks the internal data of the folder and repairs it.
* Currently, this function only repairs an incorrect folderList
*
* @return boolean true on success, otherwise false
*/
function repair() { /* {{{ */
$db = $this->_dms->getDB();
$curfolderlist = $this->getFolderList();
// calculate the folderList of the folder
$parent = $this->getParent();
$pathPrefix="";
$path = $parent->getPath();
foreach ($path as $f) {
$pathPrefix .= ":".$f->getID();
}
if (strlen($pathPrefix)>1) {
$pathPrefix .= ":";
}
if($curfolderlist != $pathPrefix) {
$queryStr = "UPDATE tblFolders SET folderList='".$pathPrefix."' WHERE id = ". $this->_id;
$res = $db->getResult($queryStr);
if (!$res)
return false;
}
return true;
} /* }}} */
}
?>
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