seeddms-code/inc/inc.ClassAccessOperation.php

205 lines
6.4 KiB
PHP
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<?php
/**
* Implementation of access restricitions
*
* @category DMS
* @package LetoDMS
* @license GPL 2
* @version @version@
* @author Uwe Steinmann <uwe@steinmann.cx>
* @copyright Copyright (C) 2010-2012 Uwe Steinmann
* @version Release: @package_version@
*/
/**
* Class to check certain access restrictions
*
* @category DMS
* @package LetoDMS
* @author Uwe Steinmann <uwe@steinmann.cx>
* @copyright Copyright (C) 2010-2012 Uwe Steinmann
* @version Release: @package_version@
*/
class LetoDMS_AccessOperation {
/**
* @var object $obj object being accessed
* @access protected
*/
private $obj;
/**
* @var object $user user requesting the access
* @access protected
*/
private $user;
/**
* @var object $settings LetoDMS Settings
* @access protected
*/
private $settings;
function __construct($obj, $user, $settings) { /* {{{ */
$this->obj = $obj;
$this->user = $user;
$this->settings = $settings;
} /* }}} */
/**
* Check if removal of version is allowed
*
* This check can only be done for documents. Removal of versions is
* only allowed if this is turned on in the settings and there are
* at least 2 versions avaiable. Everybody with write access on the
* document may delete versions. The admin may even delete a version
* even if is disallowed in the settings.
*/
function mayRemoveVersion() { /* {{{ */
if(get_class($this->obj) == 'LetoDMS_Core_Document') {
$versions = $this->obj->getContent();
if ((($this->settings->_enableVersionDeletion && ($this->obj->getAccessMode($this->user) == M_ALL)) || $this->user->isAdmin() ) && (count($versions) > 1)) {
return true;
}
}
return false;
} /* }}} */
/**
* Check if document status may be overwritten
*
* This check can only be done for documents. Overwriting the document
* status is
* only allowed if this is turned on in the settings and the current
* status is either 'releaѕed' or 'obsoleted'.
* The admin may even modify the status
* even if is disallowed in the settings.
*/
function mayOverwriteStatus() { /* {{{ */
if(get_class($this->obj) == 'LetoDMS_Core_Document') {
$latestContent = $this->obj->getLatestContent();
$status = $latestContent->getStatus();
if ((($this->settings->_enableVersionModification && ($this->obj->getAccessMode($this->user) == M_ALL)) || $this->user->isAdmin()) && ($status["status"]==S_RELEASED || $status["status"]==S_OBSOLETE )) {
return true;
}
}
return false;
} /* }}} */
/**
* Check if reviewers/approvers may be edited
*
* This check can only be done for documents. Overwriting the document
* reviewers/approvers is only allowed if version modification is turned on
* in the settings and the document is in 'draft review' status. The
* admin may even set reviewers/approvers even if is disallowed in the
* settings.
*/
function maySetReviewersApprovers() { /* {{{ */
if(get_class($this->obj) == 'LetoDMS_Core_Document') {
$latestContent = $this->obj->getLatestContent();
$status = $latestContent->getStatus();
if ((($this->settings->_enableVersionModification && ($this->obj->getAccessMode($this->user) == M_ALL)) || $this->user->isAdmin()) && ($status["status"]==S_DRAFT_REV)) {
return true;
}
}
return false;
} /* }}} */
/**
* Check if expiration date may be set
*
* This check can only be done for documents. Setting the documents
* expiration date is only allowed if version modification is turned on in
* the settings and the document has not been obsoleted.
* The admin may set the expiration date even if is
* disallowed in the settings.
*/
function maySetExpires() { /* {{{ */
if(get_class($this->obj) == 'LetoDMS_Core_Document') {
$latestContent = $this->obj->getLatestContent();
$status = $latestContent->getStatus();
if ((($this->settings->_enableVersionModification && ($this->obj->getAccessMode($this->user) == M_ALL)) || $this->user->isAdmin()) && ($status["status"]!=S_OBSOLETE)) {
return true;
}
}
return false;
} /* }}} */
/**
* Check if comment may be edited
*
* This check can only be done for documents. Setting the documents
* comment date is only allowed if version modification is turned on in
* the settings and the document has not been obsoleted.
* The admin may set the comment even if is
* disallowed in the settings.
*/
function mayEditComment() { /* {{{ */
if(get_class($this->obj) == 'LetoDMS_Core_Document') {
$latestContent = $this->obj->getLatestContent();
$status = $latestContent->getStatus();
if ((($this->settings->_enableVersionModification && ($this->obj->getAccessMode($this->user) >= M_READWRITE)) || $this->user->isAdmin()) && ($status["status"]!=S_OBSOLETE)) {
return true;
}
}
return false;
} /* }}} */
/**
* Check if attributes may be edited
*
* Setting the object attributes
* is only allowed if version modification is turned on in
* the settings and the document has not been obsoleted.
* The admin may set the comment even if is
* disallowed in the settings.
*/
function mayEditAttributes() { /* {{{ */
if(get_class($this->obj) == 'LetoDMS_Core_Document') {
$latestContent = $this->obj->getLatestContent();
$status = $latestContent->getStatus();
if ((($this->settings->_enableVersionModification && ($this->obj->getAccessMode($this->user) >= M_READWRITE)) || $this->user->isAdmin()) && ($status["status"]==S_DRAFT_REV)) {
return true;
}
}
return false;
} /* }}} */
/**
* Check if document content may be reviewed
*
* Reviewing a document content is only allowed if the document was not
* obsoleted. There are other requirements which are not taken into
* account here.
*/
function mayReview() { /* {{{ */
if(get_class($this->obj) == 'LetoDMS_Core_Document') {
$latestContent = $this->obj->getLatestContent();
$status = $latestContent->getStatus();
if ($status["status"]!=S_OBSOLETE) {
return true;
}
}
return false;
} /* }}} */
/**
* Check if document content may be approved
*
* Approving a document content is only allowed if the document was not
* obsoleted. There are other requirements which are not taken into
* account here.
*/
function mayApprove() { /* {{{ */
if(get_class($this->obj) == 'LetoDMS_Core_Document') {
$latestContent = $this->obj->getLatestContent();
$status = $latestContent->getStatus();
if ($status["status"]!=S_OBSOLETE) {
return true;
}
}
return false;
} /* }}} */
}
?>