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add virtual access mode for links and attachments

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This commit is contained in:
Uwe Steinmann 2017-10-06 17:58:46 +02:00
parent 89eeb98d82
commit 5bf132b170
1 changed files with 101 additions and 8 deletions
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109
SeedDMS_Core/Core/inc.ClassDocument.php
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@ -902,6 +902,12 @@ class SeedDMS_Core_Document extends SeedDMS_Core_Object { /* {{{ */
* The function takes inherited access rights into account.
* For a list of possible access rights see @file inc.AccessUtils.php
*
* Having access on a document does not necessarily mean the document
* content is accessible too. Accessing the content is checked by
* {@link SeedDMS_Core_DocumentContent::getAccessMode()} which calls
* a callback function defined by the application. If the callback
* function is not set, access on the content is always granted.
*
* @param $user object instance of class SeedDMS_Core_User
* @return integer access mode
*/
@ -1812,7 +1818,11 @@ class SeedDMS_Core_Document extends SeedDMS_Core_Object { /* {{{ */
$resArr = $resArr[0];
$document = $this->_dms->getDocument($resArr["document"]);
$target = $this->_dms->getDocument($resArr["target"]);
return new SeedDMS_Core_DocumentLink($resArr["id"], $document, $target, $resArr["userID"], $resArr["public"]);
$link = new SeedDMS_Core_DocumentLink($resArr["id"], $document, $target, $resArr["userID"], $resArr["public"]);
$user = $this->_dms->getLoggedInUser();
if($link->getAccessMode($user, $document, $target) >= M_READ)
return $file;
return null;
} /* }}} */
/**
@ -1847,9 +1857,12 @@ class SeedDMS_Core_Document extends SeedDMS_Core_Object { /* {{{ */
return false;
$this->_documentLinks = array();
$user = $this->_dms->getLoggedInUser();
foreach ($resArr as $row) {
$target = $this->_dms->getDocument($row["target"]);
array_push($this->_documentLinks, new SeedDMS_Core_DocumentLink($row["id"], $this, $target, $row["userID"], $row["public"]));
$link = new SeedDMS_Core_DocumentLink($row["id"], $this, $target, $row["userID"], $row["public"]);
if($link->getAccessMode($user, $this, $target) >= M_READ)
array_push($this->_documentLinks, $link);
}
}
return $this->_documentLinks;
@ -1893,7 +1906,9 @@ class SeedDMS_Core_Document extends SeedDMS_Core_Object { /* {{{ */
$links = array();
foreach ($resArr as $row) {
$document = $this->_dms->getDocument($row["document"]);
array_push($links, new SeedDMS_Core_DocumentLink($row["id"], $document, $this, $row["userID"], $row["public"]));
$link = new SeedDMS_Core_DocumentLink($row["id"], $document, $this, $row["userID"], $row["public"]);
if($link->getAccessMode($user, $document, $this) >= M_READ)
array_push($links, $link);
}
return $links;
@ -1923,6 +1938,12 @@ class SeedDMS_Core_Document extends SeedDMS_Core_Object { /* {{{ */
return true;
} /* }}} */
/**
* Get attached file by its id
*
* @return object instance of SeedDMS_Core_DocumentFile, null if file is not
* accessible, false in case of an sql error
*/
function getDocumentFile($ID) { /* {{{ */
$db = $this->_dms->getDB();
@ -1933,9 +1954,18 @@ class SeedDMS_Core_Document extends SeedDMS_Core_Object { /* {{{ */
if ((is_bool($resArr) && !$resArr) || count($resArr)==0) return false;
$resArr = $resArr[0];
return new SeedDMS_Core_DocumentFile($resArr["id"], $this, $resArr["userID"], $resArr["comment"], $resArr["date"], $resArr["dir"], $resArr["fileType"], $resArr["mimeType"], $resArr["orgFileName"], $resArr["name"],$resArr["version"],$resArr["public"]);
$file = new SeedDMS_Core_DocumentFile($resArr["id"], $this, $resArr["userID"], $resArr["comment"], $resArr["date"], $resArr["dir"], $resArr["fileType"], $resArr["mimeType"], $resArr["orgFileName"], $resArr["name"],$resArr["version"],$resArr["public"]);
$user = $this->_dms->getLoggedInUser();
if($file->getAccessMode($user) >= M_READ)
return $file;
return null;
} /* }}} */
/**
* Get list of files attached to document
*
* @return array list of files, false in case of an sql error
*/
function getDocumentFiles($version=0) { /* {{{ */
if (!isset($this->_documentFiles)) {
$db = $this->_dms->getDB();
@ -1954,8 +1984,11 @@ class SeedDMS_Core_Document extends SeedDMS_Core_Object { /* {{{ */
$this->_documentFiles = array();
$user = $this->_dms->getLoggedInUser();
foreach ($resArr as $row) {
array_push($this->_documentFiles, new SeedDMS_Core_DocumentFile($row["id"], $this, $row["userID"], $row["comment"], $row["date"], $row["dir"], $row["fileType"], $row["mimeType"], $row["orgFileName"], $row["name"], $row["version"], $row["public"]));
$file = new SeedDMS_Core_DocumentFile($row["id"], $this, $row["userID"], $row["comment"], $row["date"], $row["dir"], $row["fileType"], $row["mimeType"], $row["orgFileName"], $row["name"], $row["version"], $row["public"]);
if($file->getAccessMode($user) >= M_READ)
array_push($this->_documentFiles, $file);
}
}
return $this->_documentFiles;
@ -2852,6 +2885,17 @@ class SeedDMS_Core_DocumentContent extends SeedDMS_Core_Object { /* {{{ */
function getAccessMode($u) { /* {{{ */
$dms = $this->_document->_dms;
/* Check if 'onCheckAccessDocumentContent' callback is set */
if(isset($this->_dms->callbacks['onCheckAccessDocumentContent'])) {
foreach($this->_dms->callbacks['onCheckAccessDocumentContent'] as $callback) {
if(($ret = call_user_func($callback[0], $callback[1], $this, $u)) > 0) {
return $ret;
}
}
}
return M_READ;
if(!$u)
return M_NONE;
@ -2860,9 +2904,6 @@ class SeedDMS_Core_DocumentContent extends SeedDMS_Core_Object { /* {{{ */
return M_READ;
$noReadForStatus = $dms->noReadForStatus;
if(!$noReadForStatus)
return M_READ;
/* If the current status is not in list of status without read access, then grant read access */
if(!in_array($this->getStatus()['status'], $noReadForStatus))
return M_READ;
@ -4556,6 +4597,32 @@ class SeedDMS_Core_DocumentLink { /* {{{ */
function isPublic() { return $this->_public; }
/**
* Returns the access mode similar to a document
*
* There is no real access mode for document links, so this is just
* another way to add more access restrictions than the default restrictions.
* It is only called for public document links, not accessed by the owner
* or the administrator.
*
* @param object $u user
* @return integer either M_NONE or M_READ
*/
function getAccessMode($u, $source, $target) { /* {{{ */
$dms = $this->_document->_dms;
/* Check if 'onCheckAccessDocumentLink' callback is set */
if(isset($this->_dms->callbacks['onCheckAccessDocumentLink'])) {
foreach($this->_dms->callbacks['onCheckAccessDocumentLink'] as $callback) {
if(($ret = call_user_func($callback[0], $callback[1], $this, $u, $source, $target)) > 0) {
return $ret;
}
}
}
return M_READ;
} /* }}} */
} /* }}} */
/**
@ -4679,6 +4746,32 @@ class SeedDMS_Core_DocumentFile { /* {{{ */
function isPublic() { return $this->_public; }
/**
* Returns the access mode similar to a document
*
* There is no real access mode for document files, so this is just
* another way to add more access restrictions than the default restrictions.
* It is only called for public document files, not accessed by the owner
* or the administrator.
*
* @param object $u user
* @return integer either M_NONE or M_READ
*/
function getAccessMode($u) { /* {{{ */
$dms = $this->_document->_dms;
/* Check if 'onCheckAccessDocumentLink' callback is set */
if(isset($this->_dms->callbacks['onCheckAccessDocumentFile'])) {
foreach($this->_dms->callbacks['onCheckAccessDocumentFile'] as $callback) {
if(($ret = call_user_func($callback[0], $callback[1], $this, $u)) > 0) {
return $ret;
}
}
}
return M_READ;
} /* }}} */
} /* }}} */
//