252 lines
12 KiB
PHP
252 lines
12 KiB
PHP
<?php
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use Duplicator\Libs\Snap\SnapUtil;
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defined('ABSPATH') || defined('DUPXABSPATH') || exit;
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// Exit if accessed directly
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if (! defined('DUPLICATOR_VERSION')) {
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exit;
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}
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require_once DUPLICATOR_PLUGIN_PATH . 'classes/package/class.pack.archive.php';
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/**
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* Creates a zip file using the built in PHP ZipArchive class
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*/
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class DUP_Zip extends DUP_Archive
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{
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//PRIVATE
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private static $compressDir;
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private static $countDirs = 0;
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private static $countFiles = 0;
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private static $sqlPath;
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private static $zipPath;
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private static $zipFileSize;
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private static $zipArchive;
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private static $limitItems = 0;
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private static $networkFlush = false;
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private static $scanReport;
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/**
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* Creates the zip file and adds the SQL file to the archive
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*/
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public static function create(DUP_Archive $archive, $buildProgress)
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{
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try {
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$timerAllStart = DUP_Util::getMicrotime();
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$package_zip_flush = DUP_Settings::Get('package_zip_flush');
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self::$compressDir = rtrim(wp_normalize_path(DUP_Util::safePath($archive->PackDir)), '/');
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self::$sqlPath = DUP_Settings::getSsdirTmpPath() . "/{$archive->Package->Database->File}";
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self::$zipPath = DUP_Settings::getSsdirTmpPath() . "/{$archive->File}";
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self::$zipArchive = new ZipArchive();
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self::$networkFlush = empty($package_zip_flush) ? false : $package_zip_flush;
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$filterDirs = empty($archive->FilterDirs) ? 'not set' : $archive->FilterDirs;
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$filterExts = empty($archive->FilterExts) ? 'not set' : $archive->FilterExts;
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$filterFiles = empty($archive->FilterFiles) ? 'not set' : $archive->FilterFiles;
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$filterOn = ($archive->FilterOn) ? 'ON' : 'OFF';
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$filterDirsFormat = rtrim(str_replace(';', "\n\t", $filterDirs));
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$filterFilesFormat = rtrim(str_replace(';', "\n\t", $filterFiles));
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$lastDirSuccess = self::$compressDir;
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//LOAD SCAN REPORT
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$json = file_get_contents(DUP_Settings::getSsdirTmpPath() . "/{$archive->Package->NameHash}_scan.json");
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self::$scanReport = json_decode($json);
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DUP_Log::Info("\n********************************************************************************");
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DUP_Log::Info("ARCHIVE (ZIP):");
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DUP_Log::Info("********************************************************************************");
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$isZipOpen = (self::$zipArchive->open(self::$zipPath, ZIPARCHIVE::CREATE) === true);
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if (!$isZipOpen) {
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$error_message = "Cannot open zip file with PHP ZipArchive.";
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$buildProgress->set_failed($error_message);
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DUP_Log::error($error_message, "Path location [" . self::$zipPath . "]", Dup_ErrorBehavior::LogOnly);
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$archive->Package->setStatus(DUP_PackageStatus::ERROR);
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return;
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}
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DUP_Log::Info("ARCHIVE DIR: " . self::$compressDir);
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DUP_Log::Info("ARCHIVE FILE: " . basename(self::$zipPath));
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DUP_Log::Info("FILTERS: *{$filterOn}*");
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DUP_Log::Info("DIRS:\n\t{$filterDirsFormat}");
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DUP_Log::Info("FILES:\n\t{$filterFilesFormat}");
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DUP_Log::Info("EXTS: {$filterExts}");
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DUP_Log::Info("----------------------------------------");
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DUP_Log::Info("COMPRESSING");
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DUP_Log::Info("SIZE:\t" . self::$scanReport->ARC->Size);
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DUP_Log::Info("STATS:\tDirs " . self::$scanReport->ARC->DirCount . " | Files " . self::$scanReport->ARC->FileCount);
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//ADD SQL
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$sql_ark_file_path = $archive->Package->getSqlArkFilePath();
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$isSQLInZip = self::$zipArchive->addFile(self::$sqlPath, $sql_ark_file_path);
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if ($isSQLInZip) {
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DUP_Log::Info("SQL ADDED: " . basename(self::$sqlPath));
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} else {
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$error_message = "Unable to add database.sql to archive.";
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DUP_Log::error($error_message, "SQL File Path [" . self::$sqlPath . "]", Dup_ErrorBehavior::LogOnly);
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$buildProgress->set_failed($error_message);
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$archive->Package->setStatus(DUP_PackageStatus::ERROR);
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return;
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}
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self::$zipArchive->close();
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self::$zipArchive->open(self::$zipPath, ZipArchive::CREATE);
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//ZIP DIRECTORIES
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$info = '';
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foreach (self::$scanReport->ARC->Dirs as $dir) {
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$emptyDir = $archive->getLocalDirPath($dir);
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if (is_readable($dir) && self::$zipArchive->addEmptyDir($emptyDir)) {
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self::$countDirs++;
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$lastDirSuccess = $dir;
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} else {
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//Don't warn when dirtory is the root path
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if (strcmp($dir, rtrim(self::$compressDir, '/')) != 0) {
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$dir_path = strlen($dir) ? "[{$dir}]" : "[Read Error] - last successful read was: [{$lastDirSuccess}]";
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$info .= "DIR: {$dir_path}\n";
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}
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}
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}
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//LOG Unreadable DIR info
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if (strlen($info)) {
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DUP_Log::Info("\nWARNING: Unable to zip directories:");
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DUP_Log::Info($info);
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}
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/**
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* count update for integrity check
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*/
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$sumItems = (self::$countDirs + self::$countFiles);
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/* ZIP FILES: Network Flush
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* This allows the process to not timeout on fcgi
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* setups that need a response every X seconds */
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$totalFileCount = count(self::$scanReport->ARC->Files);
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$info = '';
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if (self::$networkFlush) {
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foreach (self::$scanReport->ARC->Files as $file) {
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$file_size = @filesize($file);
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$localFileName = $archive->getLocalFilePath($file);
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if (is_readable($file)) {
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if (
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defined('DUPLICATOR_ZIP_ARCHIVE_ADD_FROM_STR') &&
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DUPLICATOR_ZIP_ARCHIVE_ADD_FROM_STR &&
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$file_size < DUP_Constants::ZIP_STRING_LIMIT &&
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self::$zipArchive->addFromString($localFileName, file_get_contents($file))
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) {
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Dup_Log::Info("Adding {$file} to zip");
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self::$limitItems++;
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self::$countFiles++;
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} elseif (self::$zipArchive->addFile($file, $localFileName)) {
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Dup_Log::Info("Adding {$file} to zip");
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self::$limitItems++;
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self::$countFiles++;
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} else {
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$info .= "FILE: [{$file}]\n";
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}
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} else {
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$info .= "FILE: [{$file}]\n";
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}
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//Trigger a flush to the web server after so many files have been loaded.
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if (self::$limitItems > DUPLICATOR_ZIP_FLUSH_TRIGGER) {
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self::$zipArchive->close();
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self::$zipArchive->open(self::$zipPath);
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self::$limitItems = 0;
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DUP_Util::fcgiFlush();
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DUP_Log::Info("Items archived [{$sumItems}] flushing response.");
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}
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if (self::$countFiles % 500 == 0) {
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// Every so many files update the status so the UI can display
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$archive->Package->Status = SnapUtil::getWorkPercent(DUP_PackageStatus::ARCSTART, DUP_PackageStatus::ARCVALIDATION, $totalFileCount, self::$countFiles);
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$archive->Package->update();
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}
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}
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} else {
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//Normal
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foreach (self::$scanReport->ARC->Files as $file) {
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$file_size = @filesize($file);
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$localFileName = $archive->getLocalFilePath($file);
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if (is_readable($file)) {
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if (
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defined('DUPLICATOR_ZIP_ARCHIVE_ADD_FROM_STR') &&
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DUPLICATOR_ZIP_ARCHIVE_ADD_FROM_STR &&
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$file_size < DUP_Constants::ZIP_STRING_LIMIT &&
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self::$zipArchive->addFromString($localFileName, file_get_contents($file))
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) {
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self::$countFiles++;
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} elseif (self::$zipArchive->addFile($file, $localFileName)) {
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self::$countFiles++;
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} else {
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$info .= "FILE: [{$file}]\n";
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}
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} else {
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$info .= "FILE: [{$file}]\n";
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}
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if (self::$countFiles % 500 == 0) {
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// Every so many files update the status so the UI can display
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$archive->Package->Status = SnapUtil::getWorkPercent(DUP_PackageStatus::ARCSTART, DUP_PackageStatus::ARCVALIDATION, $totalFileCount, self::$countFiles);
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$archive->Package->update();
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}
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}
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}
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//LOG Unreadable FILE info
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if (strlen($info)) {
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DUP_Log::Info("\nWARNING: Unable to zip files:");
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DUP_Log::Info($info);
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unset($info);
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}
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DUP_Log::Info(print_r(self::$zipArchive, true));
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/**
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* count update for integrity check
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*/
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$archive->file_count = self::$countDirs + self::$countFiles;
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DUP_Log::Info("FILE ADDED TO ZIP: " . $archive->file_count);
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//--------------------------------
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//LOG FINAL RESULTS
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DUP_Util::fcgiFlush();
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$zipCloseResult = self::$zipArchive->close();
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if ($zipCloseResult) {
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DUP_Log::Info("COMPRESSION RESULT: '{$zipCloseResult}'");
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} else {
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$error_message = "ZipArchive close failure.";
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DUP_Log::error(
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$error_message,
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"The ZipArchive engine is having issues zipping up the files on this server. For more details visit the FAQ\n"
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. "I'm getting a ZipArchive close failure when building. How can I resolve this?\n"
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. "[" . DUPLICATOR_DOCS_URL . "how-to-resolve-zip-format-related-build-issues/]",
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Dup_ErrorBehavior::LogOnly
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);
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$buildProgress->set_failed($error_message);
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$archive->Package->setStatus(DUP_PackageStatus::ERROR);
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return;
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}
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$timerAllEnd = DUP_Util::getMicrotime();
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$timerAllSum = DUP_Util::elapsedTime($timerAllEnd, $timerAllStart);
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self::$zipFileSize = @filesize(self::$zipPath);
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DUP_Log::Info("COMPRESSED SIZE: " . DUP_Util::byteSize(self::$zipFileSize));
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DUP_Log::Info("ARCHIVE RUNTIME: {$timerAllSum}");
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DUP_Log::Info("MEMORY STACK: " . DUP_Server::getPHPMemory());
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} catch (Exception $e) {
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$error_message = "Runtime error in class.pack.archive.zip.php constructor.";
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DUP_Log::error($error_message, "Exception: {$e}", Dup_ErrorBehavior::LogOnly);
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$buildProgress->set_failed($error_message);
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$archive->Package->setStatus(DUP_PackageStatus::ERROR);
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return;
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}
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}
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}
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