core/xpdo/transport/xpdofilevehicle.class.php
<?php
/*
* Copyright 2010-2015 by MODX, LLC.
*
* This file is part of xPDO.
*
* xPDO is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* xPDO 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
* xPDO; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
* Suite 330, Boston, MA 02111-1307 USA
*/
/**
* Defines a class that represents a fileset within a transportable package.
*
* @package xpdo
* @subpackage transport
*/
/**
* Represents an individual file set within an {@link xPDOTransport} package.
*
* @package xpdo
* @subpackage transport
*/
class xPDOFileVehicle extends xPDOVehicle {
public $class = 'xPDOFileVehicle';
/**
* Install a file set represented by and stored in this vehicle.
*/
public function install(& $transport, $options) {
$installed = $this->_installFiles($transport, $options);
return $installed;
}
/**
* Uninstall a file set represented by and stored in this vehicle.
*/
public function uninstall(& $transport, $options) {
$uninstalled = $this->_uninstallFiles($transport, $options);
return $uninstalled;
}
/**
* Install files or folders represented by and stored in this vehicle.
*
* @access protected
* @param xPDOTransport &$transport A reference the transport this vehicle is stored in.
* @param array $options Optional attributes that can be applied to vehicle install process.
* @return boolean True if the files are installed successfully.
*/
protected function _installFiles(& $transport, $options) {
$installed = false;
$copied = false;
$vOptions = $this->get($transport, $options);
if (isset ($vOptions['object']) && isset ($vOptions['object']['source']) && isset ($vOptions['object']['target'])) {
$object = $vOptions['object'];
$fileName = $object['name'];
$fileSource = $transport->path . $object['source'];
$fileTarget = eval ($object['target']);
$fileTargetPath = $fileTarget . $fileName;
$preExistingMode = xPDOTransport::PRESERVE_PREEXISTING;
if (isset ($vOptions[xPDOTransport::PREEXISTING_MODE])) {
$preExistingMode = (integer) $vOptions[xPDOTransport::PREEXISTING_MODE];
}
$cacheManager = $transport->xpdo->getCacheManager();
if ($this->validate($transport, $object, $vOptions)) {
if (isset ($vOptions[xPDOTransport::INSTALL_FILES]) && !$vOptions[xPDOTransport::INSTALL_FILES]) {
$transport->xpdo->log(xPDO::LOG_LEVEL_INFO, "Skipping installion of files from {$fileSource} to {$fileTargetPath}");
$installed = true;
} elseif ($cacheManager && file_exists($fileSource) && !empty ($fileTarget)) {
$transport->xpdo->log(xPDO::LOG_LEVEL_INFO, "Installing files from {$fileSource} to {$fileTargetPath}");
$copied = array();
if ($preExistingMode === xPDOTransport::PRESERVE_PREEXISTING && file_exists($fileTargetPath)) {
$preservedArchive = $transport->path . $transport->signature . '/' . $this->payload['class'] . '/' . $this->payload['signature'] . '.preserved.zip';
$transport->xpdo->log(xPDO::LOG_LEVEL_INFO, "Attempting to preserve files at {$fileTargetPath} into archive {$preservedArchive}");
$preserved = xPDOTransport::_pack($transport->xpdo, $preservedArchive, $fileTarget, $fileName);
}
if (is_dir($fileSource)) {
$copied = $cacheManager->copyTree($fileSource, $fileTarget, array_merge($vOptions, array('copy_return_file_stat' => true)));
} elseif (is_file($fileSource)) {
$copied = $cacheManager->copyFile($fileSource, $fileTarget, array_merge($vOptions, array('copy_return_file_stat' => true)));
}
if (empty($copied)) {
$transport->xpdo->log(xPDO::LOG_LEVEL_ERROR, "Error copying files from {$fileSource} to {$fileTargetPath}");
} else {
if ($preExistingMode === xPDOTransport::PRESERVE_PREEXISTING && is_array($copied)) {
foreach ($copied as $copiedFile => $stat) {
if (isset($stat['overwritten'])) $transport->_preserved[$vOptions['guid']]['files'][$copiedFile]= $stat;
}
}
$installed = true;
}
} else {
$transport->xpdo->log(xPDO::LOG_LEVEL_ERROR, "Could not install files from {$fileSource} to {$fileTarget}");
}
if (!$this->resolve($transport, $object, $vOptions)) {
$transport->xpdo->log(xPDO::LOG_LEVEL_ERROR, 'Could not resolve vehicle for object: ' . print_r($object, true));
if ($transport->xpdo->getDebug() === true) $transport->xpdo->log(xPDO::LOG_LEVEL_DEBUG, 'Could not resolve vehicle: ' . print_r($vOptions, true));
}
} else {
//$transport->xpdo->log(xPDO::LOG_LEVEL_ERROR, 'Could not validate vehicle for object: ' . print_r($object, true));
if ($transport->xpdo->getDebug() === true) $transport->xpdo->log(xPDO::LOG_LEVEL_DEBUG, 'Could not validate vehicle: ' . print_r($vOptions, true));
}
}
return $installed;
}
/**
* Uninstall files or folders represented by and stored in this vehicle.
*
* @access protected
* @param xPDOTransport &$transport A reference the transport this vehicle is stored in.
* @param array $options Optional attributes that can be applied to vehicle uninstall process.
* @return boolean True if the files are uninstalled successfully.
*/
protected function _uninstallFiles(& $transport, $options) {
$uninstalled = false;
$vOptions = $this->get($transport, $options);
if (isset ($vOptions['object']) && isset ($vOptions['object']['source']) && isset ($vOptions['object']['target'])) {
$object = $vOptions['object'];
$fileName = $object['name'];
$fileSource = $transport->path . $object['source'];
$fileTarget = eval ($object['target']);
$preExistingMode = xPDOTransport::PRESERVE_PREEXISTING;
if (isset ($vOptions[xPDOTransport::PREEXISTING_MODE])) {
$preExistingMode = (integer) $vOptions[xPDOTransport::PREEXISTING_MODE];
}
$cacheManager = $transport->xpdo->getCacheManager();
$path = $fileTarget . $fileName;
$transport->xpdo->log(xPDO::LOG_LEVEL_INFO, 'Uninstalling files from xPDOFileVehicle: ' . $path);
if ($this->validate($transport, $object, $vOptions)) {
if (!isset ($vOptions[xPDOTransport::UNINSTALL_FILES]) || $vOptions[xPDOTransport::UNINSTALL_FILES] == true) {
$transport->xpdo->log(xPDO::LOG_LEVEL_INFO,'Removing files from xPDOFileVehicle: '.$path);
if ($cacheManager && file_exists($path)) {
if (is_dir($path) && $cacheManager->deleteTree($path, array_merge(array('deleteTop' => true, 'skipDirs' => false, 'extensions' => array()), $vOptions))) {
$uninstalled = true;
} elseif (is_file($path) && unlink($path)) {
$uninstalled = true;
} else {
$transport->xpdo->log(xPDO::LOG_LEVEL_ERROR,'Could not remove files from path: '.$path);
}
} else {
$transport->xpdo->log(xPDO::LOG_LEVEL_ERROR,'Could not find files to remove at path: '.$path);
}
} else {
$transport->xpdo->log(xPDO::LOG_LEVEL_INFO,'Skipping removal of files according to vehicle attributes.');
$uninstalled = true;
}
$preservedArchive = $transport->path . $transport->signature . '/' . $this->payload['class'] . '/' . $this->payload['signature'] . '.preserved.zip';
if ($preExistingMode === xPDOTransport::RESTORE_PREEXISTING && file_exists($preservedArchive)) {
$transport->xpdo->log(xPDO::LOG_LEVEL_ERROR, "Attempting to restore files to {$fileTarget} from archive {$preservedArchive}");
$unpackedResult = xPDOTransport::_unpack($transport->xpdo, $preservedArchive, $fileTarget);
if ($unpackedResult > 0) {
$uninstalled = true;
} else {
$transport->xpdo->log(xPDO::LOG_LEVEL_ERROR, "Error unpacking preserved files from archive {$preservedArchive}");
}
}
if (!$this->resolve($transport, $object, $vOptions)) {
$transport->xpdo->log(xPDO::LOG_LEVEL_ERROR, 'Could not resolve vehicle for object: ' . print_r($object, true));
if ($transport->xpdo->getDebug() === true) $transport->xpdo->log(xPDO::LOG_LEVEL_DEBUG, 'Could not resolve vehicle: ' . print_r($vOptions, true));
}
} else {
//$transport->xpdo->log(xPDO::LOG_LEVEL_ERROR, 'Could not validate vehicle for object: ' . print_r($object, true));
if ($transport->xpdo->getDebug() === true) $transport->xpdo->log(xPDO::LOG_LEVEL_DEBUG, 'Could not validate vehicle: ' . print_r($vOptions, true));
}
}
return $uninstalled;
}
/**
* Adds the file definition object to the payload.
*/
public function put(& $transport, & $object, $attributes = array ()) {
if (!isset ($this->payload['class'])) {
$this->payload['class'] = 'xPDOFileVehicle';
}
if (is_array($object) && isset ($object['source']) && isset ($object['target'])) {
if (!isset($object['name'])) $object['name'] = basename($object['source']);
$this->payload['object'] = $object;
}
parent :: put($transport, $object, $attributes);
}
/**
* Copies the files into the vehicle and transforms the payload for storage.
*/
protected function _compilePayload(& $transport) {
parent :: _compilePayload($transport);
$body = array ();
$cacheManager = $transport->xpdo->getCacheManager();
if ($cacheManager) {
if (isset($this->payload['object'])) {
$object = $this->payload['object'];
$fileSource = $object['source'];
$body['source'] = $transport->signature . '/' . $this->payload['class'] . '/' . $this->payload['signature'] . '/';
$fileTarget = $transport->path . $body['source'];
$body['target'] = $object['target'];
$fileName = isset ($object['name']) ? $object['name'] : basename($fileSource);
$body['name'] = $fileName;
if (!is_writable($fileTarget)) {
$cacheManager->writeTree($fileTarget);
}
if (file_exists($fileSource) && is_writable($fileTarget)) {
$copied = false;
if (is_dir($fileSource)) {
$copied = $cacheManager->copyTree($fileSource, $fileTarget . $fileName);
}
elseif (is_file($fileSource)) {
$copied = $cacheManager->copyFile($fileSource, $fileTarget . $fileName);
}
if (!$copied) {
$transport->xpdo->log(xPDO::LOG_LEVEL_ERROR, "Could not copy file from {$fileSource} to {$fileTarget}{$fileName}");
$body = null;
}
} else {
$transport->xpdo->log(xPDO::LOG_LEVEL_ERROR, "Source file {$fileSource} is missing or {$fileTarget} is not writable");
$body = null;
}
}
}
if (!empty($body)) {
$this->payload['object'] = $body;
}
}
}