mirror of
https://git.code.sf.net/p/seeddms/code
synced 2024-11-26 15:32:13 +00:00
304 lines
9.7 KiB
PHP
304 lines
9.7 KiB
PHP
<?php
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/**
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* Implementation of access restricitions
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*
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* @category DMS
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* @package SeedDMS
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* @license GPL 2
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* @version @version@
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* @author Uwe Steinmann <uwe@steinmann.cx>
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* @copyright Copyright (C) 2010-2012 Uwe Steinmann
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* @version Release: @package_version@
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*/
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/**
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* Class to check certain access restrictions
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*
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* @category DMS
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* @package SeedDMS
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* @author Uwe Steinmann <uwe@steinmann.cx>
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* @copyright Copyright (C) 2010-2012 Uwe Steinmann
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* @version Release: @package_version@
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*/
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class SeedDMS_AccessOperation {
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/**
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* @var object $dms reference to dms
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* @access protected
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*/
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private $dms;
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/**
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* @var object $obj object being accessed
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* @access protected
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*/
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private $obj;
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/**
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* @var object $user user requesting the access
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* @access protected
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*/
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private $user;
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/**
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* @var object $settings SeedDMS Settings
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* @access protected
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*/
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private $settings;
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function __construct($dms, $obj, $user, $settings) { /* {{{ */
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$this->dms = $dms;
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$this->obj = $obj;
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$this->user = $user;
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$this->settings = $settings;
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} /* }}} */
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/**
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* Check if editing of version is allowed
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*
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* This check can only be done for documents. Removal of versions is
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* only allowed if this is turned on in the settings and there are
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* at least 2 versions avaiable. Everybody with write access on the
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* document may delete versions. The admin may even delete a version
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* even if is disallowed in the settings.
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*/
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function mayEditVersion($vno=0) { /* {{{ */
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if($this->obj->isType('document')) {
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if($vno)
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$version = $this->obj->getContentByVersion($vno);
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else
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$version = $this->obj->getLatestContent();
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if (!isset($this->settings->_editOnlineFileTypes) || !is_array($this->settings->_editOnlineFileTypes) || (!in_array(strtolower($version->getFileType()), $this->settings->_editOnlineFileTypes) && !in_array(strtolower($version->getMimeType()), $this->settings->_editOnlineFileTypes)))
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return false;
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if ($this->obj->getAccessMode($this->user) == M_ALL || $this->user->isAdmin()) {
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return true;
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}
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}
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return false;
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} /* }}} */
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/**
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* Check if removal of version is allowed
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*
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* This check can only be done for documents. Removal of versions is
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* only allowed if this is turned on in the settings and there are
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* at least 2 versions avaiable. Everybody with write access on the
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* document may delete versions. The admin may even delete a version
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* even if is disallowed in the settings.
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*/
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function mayRemoveVersion() { /* {{{ */
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if($this->obj->isType('document')) {
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$versions = $this->obj->getContent();
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if ((($this->settings->_enableVersionDeletion && ($this->obj->getAccessMode($this->user) == M_ALL)) || $this->user->isAdmin() ) && (count($versions) > 1)) {
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return true;
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}
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}
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return false;
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} /* }}} */
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/**
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* Check if document status may be overwritten
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*
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* This check can only be done for documents. Overwriting the document
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* status is
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* only allowed if this is turned on in the settings and the current
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* status is either 'releaѕed' or 'obsoleted'.
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* The admin may even modify the status
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* even if is disallowed in the settings.
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*/
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function mayOverwriteStatus() { /* {{{ */
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if($this->obj->isType('document')) {
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$latestContent = $this->obj->getLatestContent();
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$status = $latestContent->getStatus();
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if ((($this->settings->_enableVersionModification && ($this->obj->getAccessMode($this->user) == M_ALL)) || $this->user->isAdmin()) && ($status["status"]==S_RELEASED || $status["status"]==S_OBSOLETE )) {
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return true;
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}
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}
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return false;
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} /* }}} */
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/**
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* Check if reviewers/approvers may be edited
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*
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* This check can only be done for documents. Overwriting the document
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* reviewers/approvers is only allowed if version modification is turned on
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* in the settings and the document has not been reviewed/approved by any
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* user/group already.
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* The admin may even set reviewers/approvers if is disallowed in the
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* settings.
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*/
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function maySetReviewersApprovers() { /* {{{ */
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if($this->obj->isType('document')) {
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$latestContent = $this->obj->getLatestContent();
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$status = $latestContent->getStatus();
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$reviewstatus = $latestContent->getReviewStatus();
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$hasreview = false;
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foreach($reviewstatus as $r) {
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if($r['status'] == 1 || $r['status'] == -1)
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$hasreview = true;
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}
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$approvalstatus = $latestContent->getApprovalStatus();
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$hasapproval = false;
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foreach($approvalstatus as $r) {
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if($r['status'] == 1 || $r['status'] == -1)
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$hasapproval = true;
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}
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if ((($this->settings->_enableVersionModification && ($this->obj->getAccessMode($this->user) == M_ALL)) || $this->user->isAdmin()) && (($status["status"]==S_DRAFT_REV && !$hasreview) || ($status["status"]==S_DRAFT_APP && !$hasreview && !$hasapproval))) {
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return true;
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}
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}
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return false;
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} /* }}} */
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/**
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* Check if workflow may be edited
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*
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* This check can only be done for documents. Overwriting the document
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* workflow is only allowed if version modification is turned on
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* in the settings and the document is in it's initial status. The
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* admin may even set the workflow if is disallowed in the
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* settings.
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*/
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function maySetWorkflow() { /* {{{ */
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if($this->obj->isType('document')) {
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$latestContent = $this->obj->getLatestContent();
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$workflow = $latestContent->getWorkflow();
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if ((($this->settings->_enableVersionModification && ($this->obj->getAccessMode($this->user) == M_ALL)) || $this->user->isAdmin()) && (!$workflow || ($workflow->getInitState()->getID() == $latestContent->getWorkflowState()->getID()))) {
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return true;
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}
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}
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return false;
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} /* }}} */
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/**
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* Check if expiration date may be set
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*
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* This check can only be done for documents. Setting the documents
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* expiration date is only allowed if the document has not been obsoleted.
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*/
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function maySetExpires() { /* {{{ */
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if($this->obj->isType('document')) {
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$latestContent = $this->obj->getLatestContent();
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$status = $latestContent->getStatus();
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if ((($this->obj->getAccessMode($this->user) == M_ALL) || $this->user->isAdmin()) && ($status["status"]!=S_OBSOLETE)) {
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return true;
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}
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}
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return false;
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} /* }}} */
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/**
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* Check if comment may be edited
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*
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* This check can only be done for documents. Setting the documents
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* comment date is only allowed if version modification is turned on in
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* the settings and the document has not been obsoleted.
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* The admin may set the comment even if is
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* disallowed in the settings.
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*/
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function mayEditComment() { /* {{{ */
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if($this->obj->isType('document')) {
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if($this->obj->isLocked()) {
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$lockingUser = $this->obj->getLockingUser();
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if (($lockingUser->getID() != $this->user->getID()) && ($this->obj->getAccessMode($this->user) != M_ALL)) {
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return false;
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}
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}
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$latestContent = $this->obj->getLatestContent();
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$status = $latestContent->getStatus();
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if ((($this->settings->_enableVersionModification && ($this->obj->getAccessMode($this->user) >= M_READWRITE)) || $this->user->isAdmin()) && ($status["status"]!=S_OBSOLETE)) {
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return true;
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}
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}
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return false;
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} /* }}} */
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/**
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* Check if attributes may be edited
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*
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* Setting the object attributes
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* is only allowed if version modification is turned on in
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* the settings and the document has not been obsoleted.
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* The admin may set the comment even if is
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* disallowed in the settings.
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*/
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function mayEditAttributes() { /* {{{ */
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if($this->obj->isType('document')) {
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$latestContent = $this->obj->getLatestContent();
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$status = $latestContent->getStatus();
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$workflow = $latestContent->getWorkflow();
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if ((($this->settings->_enableVersionModification && ($this->obj->getAccessMode($this->user) >= M_READWRITE)) || $this->user->isAdmin()) && (in_array($status["status"], array(S_DRAFT_REV, S_DRAFT_APP)) || ($workflow && $workflow->getInitState()->getID() == $latestContent->getWorkflowState()->getID()))) {
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return true;
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}
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}
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return false;
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} /* }}} */
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/**
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* Check if document content may be reviewed
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*
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* Reviewing a document content is only allowed if the document is in
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* review. There are other requirements which are not taken into
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* account here.
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*/
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function mayReview() { /* {{{ */
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if($this->obj->isType('document')) {
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$latestContent = $this->obj->getLatestContent();
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$status = $latestContent->getStatus();
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if ($status["status"]==S_DRAFT_REV) {
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return true;
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}
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}
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return false;
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} /* }}} */
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/**
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* Check if a review maybe edited
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*
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* A review may only be updated by the user who originaly addedd the
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* review and if it is allowed in the settings
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*/
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function mayUpdateReview($updateUser) { /* {{{ */
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if($this->obj->isType('document')) {
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if($this->settings->_enableUpdateRevApp && ($updateUser == $this->user) && !$this->obj->hasExpired()) {
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return true;
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}
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}
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return false;
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} /* }}} */
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/**
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* Check if document content may be approved
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*
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* Approving a document content is only allowed if the document is either
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* in approval status or released. In the second case the approval can be
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* edited.
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* There are other requirements which are not taken into
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* account here.
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*/
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function mayApprove() { /* {{{ */
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if($this->obj->isType('document')) {
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$latestContent = $this->obj->getLatestContent();
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$status = $latestContent->getStatus();
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if ($status["status"]==S_DRAFT_APP) {
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return true;
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}
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}
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return false;
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} /* }}} */
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/**
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* Check if a approval maybe edited
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*
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* An approval may only be updated by the user who originaly addedd the
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* approval and if it is allowed in the settings
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*/
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function mayUpdateApproval($updateUser) { /* {{{ */
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if($this->obj->isType('document')) {
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if($this->settings->_enableUpdateRevApp && ($updateUser == $this->user) && !$this->obj->hasExpired()) {
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return true;
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}
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}
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return false;
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} /* }}} */
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}
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