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add filterDocumentFiles()

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This commit is contained in:
Uwe Steinmann 2016-11-24 11:42:37 +01:00
parent 67c7d83a72
commit 75f21ddf02
1 changed files with 74 additions and 0 deletions
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74
SeedDMS_Core/Core/inc.ClassDMS.php
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@ -315,6 +315,80 @@ class SeedDMS_Core_DMS {
return $tmp;
} /* }}} */
/**
* Filter out document attachments which can not be accessed by a given user
*
* Returns a filtered list of files which are accessible by the
* given user. A file is only accessible, if it is publically visible,
* owned by the user, or the accessing user is an administrator.
*
* @param array $files list of objects of type SeedDMS_Core_DocumentFile
* @param object $user user for which access is being checked
* @return array filtered list of files
*/
static function filterDocumentFiles($user, $files) { /* {{{ */
$tmp = array();
foreach ($files as $file)
if ($file->isPublic() || ($file->getUser()->getID() == $user->getID()) || $user->isAdmin())
array_push($tmp, $file);
return $tmp;
} /* }}} */
/**
* Merge access lists
*
* Merges two access lists. Objects of the second list will override objects
* in the first list.
*
* @param array $first list of access rights as returned by
* SeedDMS_Core_Document:: getAccessList() or SeedDMS_Core_Folder::getAccessList()
* @param array $secont list of access rights
* @return array merged list
*/
static function mergeAccessLists($first, $second) { /* {{{ */
if($first && !$second)
return $first;
if(!$first && $second)
return $second;
$tmp = array('users'=>array(), 'groups'=>array());
if(!isset($first['users']) || !isset($first['groups']) ||
!isset($second['users']) || !isset($second['groups']))
return false;
foreach ($first['users'] as $f) {
$new = $f;
foreach ($second['users'] as $i=>$s) {
if($f->getUserID() == $s->getUserID()) {
$new = $s;
unset($second['users'][$i]);
break;
}
}
array_push($tmp['users'], $new);
}
foreach ($seconf['users'] as $f) {
array_push($tmp['users'], $f);
}
foreach ($first['groups'] as $f) {
$new = $f;
foreach ($second['groups'] as $i=>$s) {
if($f->getGroupID() == $s->getGroupID()) {
$new = $s;
unset($second['groups'][$i]);
break;
}
}
array_push($tmp['groups'], $new);
}
foreach ($second['groups'] as $f) {
array_push($tmp['groups'], $f);
}
return $tmp;
} /* }}} */
/**
* Create a new instance of the dms
*