ondiskpathstoragemanager.inc.php
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<?php
/**
* $Id$
*
* Provides storage for contents of documents on disk, using the same
* path on-disk as in the repository.
*
* WARNING:
*
* This storage manager is _not_ transaction-safe, as on-disk paths need
* to update when the repository position changes, and this operation
* and the repository change in combination can't be atomic, even if
* they individually are.
*
* KnowledgeTree Open Source Edition
* Document Management Made Simple
* Copyright (C) 2004 - 2008 The Jam Warehouse Software (Pty) Limited
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 3 as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* You can contact The Jam Warehouse Software (Pty) Limited, Unit 1, Tramber Place,
* Blake Street, Observatory, 7925 South Africa. or email info@knowledgetree.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* KnowledgeTree" logo and retain the original copyright notice. If the display of the
* logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
* must display the words "Powered by KnowledgeTree" and retain the original
* copyright notice.
* Contributor( s): ______________________________________
*/
require_once(KT_LIB_DIR . '/storage/storagemanager.inc.php');
require_once(KT_LIB_DIR . '/mime.inc.php');
require_once(KT_LIB_DIR . '/documentmanagement/PhysicalDocumentManager.inc');
require_once(KT_LIB_DIR . '/documentmanagement/Document.inc');
require_once(KT_LIB_DIR . '/documentmanagement/documentcontentversion.inc.php');
// used for well-known MIME deterministic techniques
if (!extension_loaded('fileinfo')) {
@dl('fileinfo.' . PHP_SHLIB_SUFFIX);
}
class KTOnDiskPathStorageManager extends KTStorageManager {
function upload(&$oDocument, $sTmpFilePath) {
$oConfig =& KTConfig::getSingleton();
$sStoragePath = $this->generateStoragePath($oDocument);
$this->setPath($oDocument, $sStoragePath);
$oDocument->setFileSize(filesize($sTmpFilePath));
$sDocumentFileSystemPath = sprintf("%s/%s", $oConfig->get('urls/documentRoot'), $this->getPath($oDocument));
//copy the file accross
$start_time = KTUtil::getBenchmarkTime();
$file_size = $oDocument->getFileSize();
if (copy($sTmpFilePath, $sDocumentFileSystemPath)) {
$end_time = KTUtil::getBenchmarkTime();
global $default;
$default->log->info(sprintf("Uploaded %d byte file in %.3f seconds", $file_size, $end_time - $start_time));
//remove the temporary file
unlink($sTmpFilePath);
if (file_exists($sDocumentFileSystemPath)) {
return true;
} else {
return false;
}
} else {
return false;
}
}
function getPath(&$oDocument) {
return $oDocument->getStoragePath();
}
function setPath(&$oDocument, $sNewPath) {
$oDocument->setStoragePath($sNewPath);
}
function generateStoragePath(&$oDocument) {
$sStoragePath = sprintf("%s/%s-%s", Folder::generateFolderPath($oDocument->getFolderID()), $oDocument->getContentVersionId(), $oDocument->getFileName());
return $sStoragePath;
}
function temporaryFile(&$oDocument) {
$oConfig =& KTConfig::getSingleton();
return sprintf("%s/%s", $oConfig->get('urls/documentRoot'), $this->getPath($oDocument));
}
function freeTemporaryFile($sPath) {
return;
}
function download($oDocument) {
//get the path to the document on the server
$oConfig =& KTConfig::getSingleton();
$sPath = sprintf("%s/%s", $oConfig->get('urls/documentRoot'), $this->getPath($oDocument));
if (file_exists($sPath)) {
//set the correct headers
header("Content-Type: " .
KTMime::getMimeTypeName($oDocument->getMimeTypeID()));
header("Content-Length: ". $oDocument->getFileSize());
header("Content-Disposition: attachment; filename=\"" . $oDocument->getFileName() . "\"");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: must-revalidate");
readfile($sPath);
} else {
return false;
}
}
function createFolder($oFolder) {
$oConfig =& KTConfig::getSingleton();
$sPath = sprintf("%s/%s", $oConfig->get('urls/documentRoot'), $oFolder->generateFolderPath($oFolder->getID()));
if (file_exists($sPath)) {
// It already exists - let's just use it.
return;
}
$res = @mkdir($sPath, 0755);
if ($res === false) {
return PEAR::raiseError(_kt("Couldn't create folder"));
}
return true;
}
function removeFolder($oFolder) {
$oConfig =& KTConfig::getSingleton();
$sPath = sprintf("%s/%s", $oConfig->get('urls/documentRoot'), $oFolder->generateFolderPath($oFolder->getID()));
if (!file_exists($sPath)) {
return true;
}
@rmdir($sPath);
// No point erroring out if the rmdir fails.
return true;
}
function removeFolderTree($oFolder) {
$oConfig =& KTConfig::getSingleton();
$sPath = sprintf("%s/%s", $oConfig->get('urls/documentRoot'), $oFolder->generateFolderPath($oFolder->getID()));
KTUtil::deleteDirectory($sPath);
}
function downloadVersion($oDocument, $iVersionId) {
//get the document
$oContentVersion = KTDocumentContentVersion::get($iVersionId);
$oConfig =& KTConfig::getSingleton();
$sPath = sprintf("%s/%s", $oConfig->get('urls/documentRoot'), $this->getPath($oContentVersion));
$sVersion = sprintf("%d.%d", $oContentVersion->getMajorVersionNumber(), $oContentVersion->getMinorVersionNumber());
if (file_exists($sPath)) {
//set the correct headers
header("Content-Type: " .
KTMime::getMimeTypeName($oDocument->getMimeTypeID()));
header("Content-Length: ". filesize($sPath));
// prefix the filename presented to the browser to preserve the document extension
header('Content-Disposition: attachment; filename="' . "$sVersion-" . $oDocument->getFileName() . '"');
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: must-revalidate");
readfile($sPath);
} else {
return false;
}
}
/**
* Move a document to a new folder
*
* By the time we are called, the document believes it is in the new
* location in terms of its folder_id and paths. Just in case, we
* avoid using generateStoragePath and rely on the folder objects
* for our paths.
*
* We have to use the folders for our source and destination paths,
* and then set storage_path.
*
* return boolean true on successful move, false otherwhise
*/
function moveDocument(&$oDocument, $oSourceFolder, $oDestinationFolder) {
$oConfig =& KTConfig::getSingleton();
$aContentVersions = KTDocumentContentVersion::getByDocument($oDocument);
$sDocumentRoot = $oConfig->get('urls/documentRoot');
foreach ($aContentVersions as $oVersion) {
$sOldPath = sprintf("%s/%s-%s", Folder::generateFolderPath($oSourceFolder->getID()), $oVersion->getId(), $oVersion->getFileName());
$sNewPath = sprintf("%s/%s-%s", Folder::generateFolderPath($oDestinationFolder->getID()), $oVersion->getId(), $oVersion->getFileName());
$sFullOldPath = sprintf("%s/%s", $sDocumentRoot, $sOldPath);
$sFullNewPath = sprintf("%s/%s", $sDocumentRoot, $sNewPath);
$res = KTUtil::moveFile($sFullOldPath, $sFullNewPath);
$oVersion->setStoragePath($sNewPath);
$oVersion->update();
}
return true;
}
/**
* Move a file
*
* @param string source path
* @param string destination path
*/
function move($sOldDocumentPath, $sNewDocumentPath) {
global $default;
if (file_exists($sOldDocumentPath)) {
//copy the file to the new destination
if (copy($sOldDocumentPath, $sNewDocumentPath)) {
//delete the old one
unlink($sOldDocumentPath);
return true;
} else {
return false;
}
} else {
return false;
}
}
function moveFolder($oFolder, $oDestFolder) {
$table = "document_content_version";
$sQuery = "UPDATE $table SET storage_path = CONCAT(?, SUBSTRING(storage_path FROM ?)) WHERE storage_path LIKE ?";
if ($oDestFolder->getId() == 1) {
$sDestFolderPath = $oDestFolder->getName();
} else {
$sDestFolderPath = sprintf("%s/%s", $oDestFolder->getFullPath(), $oDestFolder->getName());
}
if ($oFolder->getId() == 1) {
$sSrcFolderPath = $oFolder->getName();
} else {
$sSrcFolderPath = sprintf("%s/%s", $oFolder->getFullPath(), $oFolder->getName());
}
$aParams = array(
$sDestFolderPath,
strlen($oFolder->getFullPath()) + 1,
sprintf("%s%%", $sSrcFolderPath),
);
$res = DBUtil::runQuery(array($sQuery, $aParams));
if (PEAR::isError($res)) {
return $res;
}
$oConfig =& KTConfig::getSingleton();
$sSrc = sprintf("%s/%s",
$oConfig->get('urls/documentRoot'),
$sSrcFolderPath
);
$sDst = sprintf("%s/%s/%s",
$oConfig->get('urls/documentRoot'),
$sDestFolderPath,
$oFolder->getName()
);
return KTUtil::moveDirectory($sSrc, $sDst);
}
function renameFolder($oFolder, $sNewName) {
$table = "document_content_version";
$sQuery = "UPDATE $table SET storage_path = CONCAT(?, SUBSTRING(storage_path FROM ?)) WHERE storage_path LIKE ?";
if ($oFolder->getId() == 1) {
$sSrcFolderPath = $oFolder->getName();
$sDestFolderPath = $sNewName;
} else {
$sSrcFolderPath = sprintf("%s/%s", $oFolder->getFullPath(), $oFolder->getName());
$sDestFolderPath = sprintf("%s/%s", $oFolder->getFullPath(), $sNewName);
}
$aParams = array(
$sDestFolderPath,
strlen($sSrcFolderPath) + 1,
sprintf("%s%%", $sSrcFolderPath),
);
$res = DBUtil::runQuery(array($sQuery, $aParams));
if (PEAR::isError($res)) {
return $res;
}
$oConfig =& KTConfig::getSingleton();
$sSrc = sprintf("%s/%s",
$oConfig->get('urls/documentRoot'),
$sSrcFolderPath
);
$sDst = sprintf("%s/%s",
$oConfig->get('urls/documentRoot'),
$sDestFolderPath
);
$res = @rename($sSrc, $sDst);
if (PEAR::isError($res) || ($res == false)) {
print '<br /> -- unable to move ' . $sSrc . ' to ' . $sDst . ' ';
return false;
// return PEAR::raiseError('unable to move directory to ' . $sDst);
}
return true;
}
/**
* Perform any storage changes necessary to account for a copied
* document object.
*/
function copy($oSrcDocument, &$oNewDocument) {
// we get the Folder object
$oVersion = $oNewDocument->_oDocumentContentVersion;
$oConfig =& KTConfig::getSingleton();
$sDocumentRoot = $oConfig->get('urls/documentRoot');
$sNewPath = $this->generateStoragePath($oNewDocument);
$sFullOldPath = sprintf("%s/%s", $sDocumentRoot, $this->generateStoragePath($oSrcDocument));
$sFullNewPath = sprintf("%s/%s", $sDocumentRoot, $sNewPath);
$res = KTUtil::copyFile($sFullOldPath, $sFullNewPath);
if (PEAR::isError($res)) { return $res; }
$oVersion->setStoragePath($sNewPath);
$oVersion->update();
}
/**
* Perform any storage changes necessary to account for a renamed
* document object.
* someone else _must_ call the update on $oDocument
*/
function renameDocument(&$oDocument, $oOldContentVersion, $sNewFilename) {
// we get the Folder object
$oVersion =& $oDocument->_oDocumentContentVersion;
$oConfig =& KTConfig::getSingleton();
$sDocumentRoot = $oConfig->get('urls/documentRoot');
$sOldPath = sprintf("%s/%s-%s", Folder::generateFolderPath($oDocument->getFolderID()), $oOldContentVersion->getId(), $oOldContentVersion->getFileName());
$sNewPath = sprintf("%s/%s-%s", Folder::generateFolderPath($oDocument->getFolderID()), $oDocument->_oDocumentContentVersion->getId(), $sNewFilename);
$sFullOldPath = sprintf("%s/%s", $sDocumentRoot, $sOldPath);
$sFullNewPath = sprintf("%s/%s", $sDocumentRoot, $sNewPath);
$res = KTUtil::copyFile($sFullOldPath, $sFullNewPath);
if (PEAR::isError($res)) { return $res; }
$oVersion->setStoragePath($sNewPath);
// someone else _must_ call the update.
return true; // RES ?= PEAR::raiseError('.');
}
/**
* Deletes a document- moves it to the Deleted/ folder
*
* return boolean true on successful move, false otherwhise
*/
function delete($oDocument) {
$oConfig =& KTConfig::getSingleton();
$sCurrentPath = $this->getPath($oDocument);
// check if the deleted folder exists and create it if not
$sDeletedPrefix = sprintf("%s/Deleted", $oConfig->get('urls/documentRoot'));
if (!file_exists($sDeletedPrefix)) {
mkdir($sDeletedPrefix, 0755);
}
$sDocumentRoot = $oConfig->get('urls/documentRoot');
$aVersions = KTDocumentContentVersion::getByDocument($oDocument);
foreach ($aVersions as $oVersion) {
$sOldPath = $oVersion->getStoragePath();
$sNewPath = sprintf("Deleted/%s-%s", $oVersion->getId(), $oVersion->getFileName());
$sFullOldPath = sprintf("%s/%s", $sDocumentRoot, $sOldPath);
$sFullNewPath = sprintf("%s/%s", $sDocumentRoot, $sNewPath);
KTUtil::moveFile($sFullOldPath, $sFullNewPath);
}
return true;
}
/**
* Completely remove a document from the Deleted/ folder
*
* return boolean true on successful expunge
*/
function expunge($oDocument) {
parent::expunge($oDocument);
$oConfig =& KTConfig::getSingleton();
$sCurrentPath = $this->getPath($oDocument);
// check if the deleted folder exists and create it if not
$sDeletedPrefix = sprintf("%s/Deleted", $oConfig->get('urls/documentRoot'));
$sDocumentRoot = $oConfig->get('urls/documentRoot');
$aVersions = KTDocumentContentVersion::getByDocument($oDocument);
foreach ($aVersions as $oVersion) {
$sPath = sprintf("Deleted/%s-%s", $oVersion->getId(), $oVersion->getFileName());
$sFullPath = sprintf("%s/%s", $sDocumentRoot, $sPath);
if (file_exists($sFullPath)) {
unlink($sFullPath);
}
}
return true;
}
/**
* Completely remove a document version
*
* return boolean true on successful delete
*/
function deleteVersion($oVersion) {
$oConfig =& KTConfig::getSingleton();
$sDocumentRoot = $oConfig->get('urls/documentRoot');
$iContentId = $oVersion->getContentVersionId();
$oContentVersion = KTDocumentContentVersion::get($iContentId);
$sPath = $oContentVersion->getStoragePath();
$sFullPath = sprintf("%s/%s", $sDocumentRoot, $sPath);
if (file_exists($sFullPath)) {
unlink($sFullPath);
}
return true;
}
/**
* Restore a document from the Deleted/ folder to the specified folder
*
* return boolean true on successful move, false otherwhise
*/
function restore($oDocument) {
$oConfig =& KTConfig::getSingleton();
$sCurrentPath = $this->getPath($oDocument);
// check if the deleted folder exists and create it if not
$sDeletedPrefix = sprintf("%s/Deleted", $oConfig->get('urls/documentRoot'));
$sDocumentRoot = $oConfig->get('urls/documentRoot');
$oNewFolder = Folder::get($oDocument->getFolderID());
$aVersions = KTDocumentContentVersion::getByDocument($oDocument);
foreach ($aVersions as $oVersion) {
$sNewPath = sprintf("%s/%s-%s", KTDocumentCore::_generateFolderPath($oNewFolder->getID()), $oVersion->getId(), $oVersion->getFileName());
$oVersion->setStoragePath($sNewPath);
$sOldPath = sprintf("Deleted/%s-%s", $oVersion->getId(), $oVersion->getFileName());
$sFullNewPath = sprintf("%s/%s", $sDocumentRoot, $sNewPath);
$sFullOldPath = sprintf("%s/%s", $sDocumentRoot, $sOldPath);
KTUtil::moveFile($sFullOldPath, $sFullNewPath);
$oVersion->update();
}
return true;
}
/**
* View a document using an inline viewer
*
* @param Primary key of document to view
*
* @return int number of bytes read from file on success or false otherwise;
*
* @todo investigate possible problem in MSIE 5.5 concerning Content-Disposition header
*/
function inlineViewPhysicalDocument($iDocumentID) {
//get the document
$oDocument = & Document::get($iDocumentID);
//get the path to the document on the server
$sDocumentFileSystemPath = $oDocument->getPath();
if (file_exists($sDocumentFileSystemPath)) {
header("Content-Type: application/octet-stream");
header("Content-Length: ". $oDocument->getFileSize());
// prefix the filename presented to the browser to preserve the document extension
header('Content-Disposition: inline; filename="' . $oDocument->getFileName() . '"');
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: must-revalidate");
header("Content-Location: ".$oDocument->getFileName());
return readfile($sDocumentFileSystemPath);
} else {
return false;
}
}
/**
* Get the uploaded file information and place it into a document object
*
* @param Array containing uploaded file information (use $aFileArray)
* par Primary key of folder into which document will be placed
*
* @return Document Document object containing uploaded file information
*/
function & createDocumentFromUploadedFile($aFileArray, $iFolderID) {
//get the uploaded document information and put it into a document object
$oDocument = new Document($aFileArray['name'], $aFileArray['name'], $aFileArray['size'], $_SESSION["userID"], PhysicalDocumentManager::getMimeTypeID($aFileArray['type'], $aFileArray['name']), $iFolderID);
return $oDocument;
}
}
?>