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<?php
/*
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2008 Bharat Mediratta
*
* This program 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.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
if (!defined('G2_SUPPORT')) {
return;
}
/**
* Gallery Database Import
* @package Support
*/
$g2Base = dirname(dirname(dirname(__FILE__))) . '/';
require_once($g2Base . 'modules/core/classes/GalleryCoreApi.class');
require_once($g2Base . 'modules/core/classes/GalleryStorage.class');
require_once($g2Base . 'modules/core/classes/GalleryUtilities.class');
require_once($g2Base . 'lib/support/SupportStatusTemplate.class');
$templateData = array();
$template = new SupportStatusTemplate('Database Import');
$configFilePath =
(defined('GALLERY_CONFIG_DIR') ? GALLERY_CONFIG_DIR . '/' : $g2Base) . 'config.php';
require_once(dirname(__FILE__) . '/../../embed.php');
$templateData = array();
$templateData['bodyFile'] = 'ImportRequest.html';
$renderFullPage = true;
$ret = GalleryEmbed::init(array('fullInit' => false));
if ($ret) {
$templateData['errors'][] = $ret->getAsHtml();
} else {
$platform =& $gallery->getPlatform();
$storage =& $gallery->getStorage();
$templateData['warnings'] = array();
if (isset($_REQUEST['importDatabase'])) {
$importFile = $_REQUEST['importFile'];
/* Sanitize the input */
GalleryUtilities::sanitizeInputValues($importFile);
if (!$platform->file_exists($importFile)) {
return GalleryCoreApi::error(ERROR_BAD_PARAMETER, null, null,
'The file "' . $importFile . '" does not exist.');
}
$verifiedFile = $_REQUEST['verifiedFile'];
/* Sanitize the input */
GalleryUtilities::sanitizeInputValues($verifiedFile);
$doImportFlag = true;
if ($verifiedFile != $importFile) {
$templateData['verifiedFile'] = $importFile;
$verifiedFile = $importFile;
$doImportFlag = verifyVersions($templateData, $importFile);
}
if ($doImportFlag) {
$template->renderHeader(true);
$template->renderStatusMessage('Restoring Gallery Database', '', 0);
/* Do the database import */
$importer = $storage->getDatabaseImporter();
list ($ret, $errors) = $importer->importToDb($verifiedFile, 'importProgressCallback');
if ($ret) {
$templateData['errors'][] = $ret->getAsHtml();
} else if ($errors != null) {
if (!is_array($errors)) {
$templateData['errors'][] = $errors->getAsHtml();
} else {
foreach ($errors as $status) {
$templateData['errors'][] = $status->getAsHtml();
}
}
}
/* The import processing sets Gallery into maintenance mode, undo that now */
$ret = GalleryCoreApi::setMaintenanceMode(false);
if ($ret) {
$templateData['errors'][] = $ret->getAsHtml();
}
$templateData['bodyFile'] = 'ImportFinished.html';
$templateData['hideStatusBlock'] = 1;
$renderFullPage = false;
}
} else {
getBackupFiles($templateData);
/* Render the output */
$templateData['bodyFile'] = 'ImportRequest.html';
}
}
if (!$ret) {
$ret = GalleryEmbed::done();
if ($ret) {
$templateData['errors'][] = $ret->getAsHtml();
}
}
if ($renderFullPage) {
$template->renderHeaderBodyAndFooter($templateData);
} else {
$template->renderBodyAndFooter($templateData);
}
/**
* Verify the version compatibility and identify any modules that are incompatible with the
* existing installation.
* @param array $templateData The information to be displayed on the import page.
* @param string $importFile The file to be verified.
* @return boolean true if there are no verification messages to display.
*/
function verifyVersions(&$templateData, $importFile) {
global $gallery;
global $template;
$storage =& $gallery->getStorage();
$importer = $storage->getDatabaseImporter();
$errors = $importer->verifyVersions($importFile);
if (!empty($errors['warnings'])) {
$templateData['versionWarnings'] = $errors['warnings'];
} else {
$templateData['versionWarnings'] = null;
}
if (!empty($errors['errors'])) {
$templateData['errors'] = $errors['errors'];
} else {
$templateData['errors'] = null;
}
$verificationMessages = !empty($errors['warnings']) || !empty($errors['errors']);
if ($verificationMessages) {
getBackupFiles($templateData);
/* Render the output */
$templateData['bodyFile'] = 'ImportRequest.html';
$templateData['hideStatusBlock'] = 1;
}
return !$verificationMessages;
}
/**
* Retrieve the list of available backup files from the backup directory
* @param array $templateData The information to be displayed on the import page.
*/
function getBackupFiles(&$templateData) {
global $gallery;
$platform =& $gallery->getPlatform();
$backupFiles = $gallery->getConfig('data.gallery.backup') . '*.xml';
$files = array();
foreach ($platform->glob($backupFiles) as $fileName) {
$files[filectime($fileName) . $fileName] = $fileName;
}
krsort($files);
$templateData['backupFiles'] = $files;
if (count($files) == 0) {
$templateData['errors'][] =
'There are no backups found. You will probably have to reinstall.';
}
}
/**
* Update the progress bar with the current percent completion
* @param float $percentage The current completion percentage.
*/
function importProgressCallback($percentage) {
global $template;
$template->renderStatusMessage('Importing Gallery Database', '', $percentage);
}
?>
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