File Manager

✏️ Edit File: /home/coemyoza/public_html/wp-content/plugins/duplicator/classes/utilities/class.u.zip.php

<?php

defined('ABSPATH') || defined('DUPXABSPATH') || exit;
/**
 * Utility class for zipping up content
 *
 * Standard: PSR-2
 * @link http://www.php-fig.org/psr/psr-2
 *
 * @subpackage classes/utilities
 * @copyright (c) 2017, Snapcreek LLC
 * @license https://opensource.org/licenses/GPL-3.0 GNU Public License
 */

// Exit if accessed directly
if (! defined('DUPLICATOR_VERSION')) {
    exit;
}

class DUP_Zip_U
{
    /**
     * Add a directory to an existing ZipArchive object
     *
     * @param ZipArchive $zipArchive        An existing ZipArchive object
     * @param string     $directoryPath     The full directory path to add to the ZipArchive
     * @param bool       $retainDirectory   Should the full directory path be retained in the archive
     *
     * @return bool Returns true if the directory was added to the object
     */
    public static function addDirWithZipArchive($zipArchive, $directoryPath, $retainDirectory, $localPrefix, $isCompressed)
    {
        $directoryPath = rtrim(str_replace("\\", '/', $directoryPath), '/') . '/';
        if (!is_dir($directoryPath) || !is_readable($directoryPath)) {
            $success = false;
        } elseif (!$fp = @opendir($directoryPath)) {
            $success = false;
        } else {
            $success = true;
            while (false !== ($file    = readdir($fp))) {
                if ($file === '.' || $file === '..') {
                    continue;
                }
                $objectPath = $directoryPath . $file;
                // Not used SnapIO::safePath(), because I would like to decrease max_nest_level
                // Otherwise we will get the error:
                // PHP Fatal error:  Uncaught Error: Maximum function nesting level of '512' reached, aborting! in ...
                // $objectPath = SnapIO::safePath($objectPath);
                $localName = ltrim(str_replace($directoryPath, '', $objectPath), '/');
                if ($retainDirectory) {
                    $localName = basename($directoryPath) . "/$localName";
                }
                $localName = ltrim($localPrefix . $localName, '/');
                if (is_readable($objectPath)) {
                    if (is_dir($objectPath)) {
                        $localPrefixArg = substr($localName, 0, strrpos($localName, '/')) . '/';
                        $added          = self::addDirWithZipArchive($zipArchive, $objectPath, $retainDirectory, $localPrefixArg, $isCompressed);
                    } else {
                        $added = self::addFileToZipArchive($zipArchive, $objectPath, $localName, $isCompressed);
                    }
                } else {
                    $added = false;
                }

if (!$added) {
                    DUP_Log::error("Couldn't add file $objectPath to archive", '', false);
                    $success = false;
                    break;
                }
            }
            @closedir($fp);
        }

if ($success) {
            return true;
        } else {
            DUP_Log::error("Couldn't add folder $directoryPath to archive", '', false);
            return false;
        }
    }

public static function extractFiles($archiveFilepath, $relativeFilesToExtract, $destinationDirectory, $useShellUnZip)
    {
        // TODO: Unzip using either shell unzip or ziparchive
        if ($useShellUnZip) {
            $shellExecPath  = DUPX_Server::get_unzip_filepath();
            $filenameString = implode(' ', $relativeFilesToExtract);
            $command        = "{$shellExecPath} -o -qq \"{$archiveFilepath}\" {$filenameString} -d {$destinationDirectory} 2>&1";
            $stderr         = shell_exec($command);
            if ($stderr != '') {
                $errorMessage = __("Error extracting {$archiveFilepath}): {$stderr}", 'duplicator');
                throw new Exception($errorMessage);
            }
        } else {
            $zipArchive = new ZipArchive();
            $result     = $zipArchive->open($archiveFilepath);
            if ($result !== true) {
                throw new Exception("Error opening {$archiveFilepath} when extracting.");
            }

$result = $zipArchive->extractTo($destinationDirectory, $relativeFilesToExtract);
            if ($result === false) {
                throw new Exception("Error extracting {$archiveFilepath}.");
            }
        }
    }

/**
     * Add a directory to an existing ZipArchive object
     *
     * @param string    $sourceFilePath     The file to add to the zip file
     * @param string    $zipFilePath        The zip file to be added to
     * @param bool      $deleteOld          Delete the zip file before adding a file
     * @param string    $newName            Rename the $sourceFile if needed
     *
     * @return bool Returns true if the file was added to the zip file
     */
    public static function zipFile($sourceFilePath, $zipFilePath, $deleteOld, $newName, $isCompressed)
    {
        if ($deleteOld && file_exists($zipFilePath)) {
             SnapIO::unlink($zipFilePath);
        }

if (file_exists($sourceFilePath)) {
            $zip_archive = new ZipArchive();
            $is_zip_open = ($zip_archive->open($zipFilePath, ZIPARCHIVE::CREATE) === true);
            if ($is_zip_open === false) {
                DUP_Log::error("Cannot create zip archive {$zipFilePath}");
            } else {
            //ADD SQL
                if ($newName == null) {
                    $source_filename = basename($sourceFilePath);
                    DUP_Log::Info("adding {$source_filename}");
                } else {
                    $source_filename = $newName;
                    DUP_Log::Info("new name added {$newName}");
                }

$in_zip = DUP_Zip_U::addFileToZipArchive($zip_archive, $sourceFilePath, $source_filename, $isCompressed);
                if ($in_zip === false) {
                    DUP_Log::error("Unable to add {$sourceFilePath} to $zipFilePath");
                }

$zip_archive->close();
                return true;
            }
        } else {
            DUP_Log::error("Trying to add {$sourceFilePath} to a zip but it doesn't exist!");
        }

return false;
    }

public static function addFileToZipArchive($zipArchive, $filepath, $localName, $isCompressed)
    {
        $added = $zipArchive->addFile($filepath, $localName);
        return $added;
    }
}

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