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<?php
defined('ABSPATH') || defined('DUPXABSPATH') || exit;
use Duplicator\Libs\Snap\SnapIO;
use Duplicator\Libs\Shell\Shell;
use Duplicator\Models\Storages\AbstractStorageEntity;
use Duplicator\Models\Storages\LocalStorage;
use Duplicator\Models\SystemGlobalEntity;
use Duplicator\Package\Create\BuildProgress;
/**
* Creates a zip file using Shell_Exec and the system zip command
* Not available on all system
**/
class DUP_PRO_ShellZip
{
/**
* Creates the zip file and adds the SQL file to the archive
*
* @param DUP_PRO_Package $package The package object
* @param BuildProgress $build_progress The build progress object
*
* @return boolean
*/
public static function create(DUP_PRO_Package $package, BuildProgress $build_progress)
{
$archive = $package->Archive;
try {
if ($package->Status == DUP_PRO_PackageStatus::ARCSTART) {
$error_text = __('Zip process getting killed due to limited server resources.', 'duplicator-pro');
$fix_text = __('Click to switch Archive Engine DupArchive.', 'duplicator-pro');
$system_global = SystemGlobalEntity::getInstance();
$system_global->addQuickFix(
$error_text,
$fix_text,
array(
'global' => array('archive_build_mode' => 3),
)
);
DUP_PRO_Log::traceError("$error_text **RECOMMENDATION: $fix_text");
if ($build_progress->retries > 1) {
$build_progress->failed = true;
return true;
} else {
$build_progress->retries++;
$package->update();
}
}
$package->set_status(DUP_PRO_PackageStatus::ARCSTART);
$package->safe_tmp_cleanup(true);
$compressDir = rtrim(SnapIO::safePath($archive->PackDir), '/');
$zipPath = SnapIO::safePath("{$package->StorePath}/{$archive->File}");
$sql_filepath = SnapIO::safePath("{$package->StorePath}/{$package->Database->File}");
$filterDirs = empty($archive->FilterDirs) ? 'not set' : rtrim(str_replace(';', "\n\t", $archive->FilterDirs));
$filterFiles = empty($archive->FilterFiles) ? 'not set' : rtrim(str_replace(';', "\n\t", $archive->FilterFiles));
$filterExts = empty($archive->FilterExts) ? 'not set' : $archive->FilterExts;
$filterOn = ($archive->FilterOn) ? 'ON' : 'OFF';
$scanFilepath = DUPLICATOR_PRO_SSDIR_PATH_TMP . "/{$package->NameHash}_scan.json";
// LOAD SCAN REPORT
try {
$scanReport = $package->getScanReportFromJson($scanFilepath);
} catch (DUP_PRO_NoScanFileException $ex) {
DUP_PRO_Log::trace("**** scan file $scanFilepath doesn't exist!!");
DUP_PRO_Log::error($ex->getMessage(), '', false);
$build_progress->failed = true;
return true;
} catch (DUP_PRO_NoFileListException $ex) {
DUP_PRO_Log::trace("**** list of files doesn't exist!!");
DUP_PRO_Log::error($ex->getMessage(), '', false);
$build_progress->failed = true;
return true;
} catch (DUP_PRO_NoDirListException $ex) {
DUP_PRO_Log::trace("**** list of directories doesn't exist!!");
DUP_PRO_Log::error($ex->getMessage(), '', false);
$build_progress->failed = true;
return true;
}
DUP_PRO_Log::info("\n********************************************************************************");
DUP_PRO_Log::info("ARCHIVE Type=ZIP Mode=Shell");
DUP_PRO_Log::info("********************************************************************************");
DUP_PRO_Log::info("ARCHIVE DIR: " . $compressDir);
DUP_PRO_Log::info("ARCHIVE FILE: " . basename($zipPath));
DUP_PRO_Log::info("FILTERS: *{$filterOn}*");
DUP_PRO_Log::info("DIRS: {$filterDirs}");
DUP_PRO_Log::info("EXTS: {$filterExts}");
DUP_PRO_Log::info("FILES: {$filterFiles}");
DUP_PRO_Log::info("----------------------------------------");
DUP_PRO_Log::info("COMPRESSING");
DUP_PRO_Log::info("SIZE:\t" . $scanReport->ARC->Size);
DUP_PRO_Log::info("STATS:\tDirs " . $scanReport->ARC->DirCount . " | Files " . $scanReport->ARC->FileCount . " | Total " . $scanReport->ARC->FullCount);
$build_progress->archive_started = true;
$build_progress->archive_start_time = DUP_PRO_U::getMicrotime();
$contains_root = false;
$exclude_string = '';
$filterDirs = $archive->FilterDirsAll;
$filterExts = $archive->FilterExtsAll;
$filterFiles = $archive->FilterFilesAll;
// DIRS LIST
foreach ($filterDirs as $filterDir) {
if (trim($filterDir) != '') {
$relative_filter_dir = DUP_PRO_U::getRelativePath($compressDir, $filterDir);
DUP_PRO_Log::trace("Adding relative filter dir $relative_filter_dir for $filterDir relative to $compressDir");
if (trim($relative_filter_dir) == '') {
$contains_root = true;
break;
} else {
$exclude_string .= DUP_PRO_Zip_U::customShellArgEscapeSequence($relative_filter_dir) . "**\* ";
$exclude_string .= DUP_PRO_Zip_U::customShellArgEscapeSequence($relative_filter_dir) . " ";
}
}
}
//EXT LIST
foreach ($filterExts as $filterExt) {
$exclude_string .= "\*.$filterExt ";
}
//FILE LIST
foreach ($filterFiles as $filterFile) {
if (trim($filterFile) != '') {
$relative_filter_file = DUP_PRO_U::getRelativePath($compressDir, trim($filterFile));
DUP_PRO_Log::trace("Full file=$filterFile relative=$relative_filter_file compressDir=$compressDir");
$exclude_string .= "\"$relative_filter_file\" ";
}
}
//DB ONLY
if ($package->isDBOnly()) {
$contains_root = true;
}
if ($contains_root == false) {
// Only attempt to zip things up if root isn't in there since stderr indicates when it cant do anything
$storages = AbstractStorageEntity::getAll();
foreach ($storages as $storage) {
if ($storage->getSType() !== LocalStorage::getSType()) {
continue;
}
/** @var LocalStorage $storage */
if ($storage->isFilterProtection()) {
continue;
}
$storagePath = SnapIO::safePath($storage->getLocationString());
$storagePath = DUP_PRO_U::getRelativePath($compressDir, $storagePath);
$exclude_string .= "$storagePath**\* ";
}
$relative_backup_dir = DUP_PRO_U::getRelativePath($compressDir, DUPLICATOR_PRO_SSDIR_PATH);
$exclude_string .= "$relative_backup_dir**\* ";
$params = Shell::getCompressionParam($build_progress->current_build_compression);
if (strlen($package->Archive->getArchivePassword()) > 0) {
$params .= ' --password ' . escapeshellarg($package->Archive->getArchivePassword());
}
$params .= ' -rq';
$command = 'cd ' . escapeshellarg($compressDir);
$command .= ' && ' . escapeshellcmd(DUP_PRO_Zip_U::getShellExecZipPath()) . ' ' . $params . ' ';
$command .= escapeshellarg($zipPath) . ' ./';
$command .= " -x $exclude_string 2>&1";
DUP_PRO_Log::infoTrace("SHELL COMMAND: $command");
$shellOutput = Shell::runCommand($command, Shell::AVAILABLE_COMMANDS);
DUP_PRO_Log::trace("After shellzip command");
if ($shellOutput !== false && !$shellOutput->isEmpty()) {
$stderr = $shellOutput->getOutputAsString();
$error_text = "Error executing shell exec zip: $stderr.";
$system_global = SystemGlobalEntity::getInstance();
if (DUP_PRO_STR::contains($stderr, 'quota')) {
$fix_text = __("Account out of space so purge large files or talk to your host about increasing quota.", 'duplicator-pro');
$system_global->addTextFix($error_text, $fix_text);
} elseif (DUP_PRO_STR::contains($stderr, 'such file or')) {
$fix_text = sprintf(
"%s <a href='" . DUPLICATOR_PRO_DUPLICATOR_DOCS_URL . "how-to-resolve-zip-format-related-build-issues' target='_blank'>%s</a>",
__('See FAQ:', 'duplicator-pro'),
__('How to resolve "zip warning: No such file or directory"?', 'duplicator-pro')
);
$system_global->addTextFix($error_text, $fix_text);
} else {
$fix_text = __("Click on button to switch to the DupArchive engine.", 'duplicator-pro');
$system_global->addQuickFix(
$error_text,
$fix_text,
array(
'global' => array('archive_build_mode' => 3),
)
);
}
DUP_PRO_Log::error("$error_text **RECOMMENDATION: $fix_text", '', false);
$build_progress->failed = true;
return true;
} else {
DUP_PRO_Log::trace("Stderr is null");
}
$file_count_string = '';
if (!file_exists($zipPath)) {
$file_count_string = sprintf(__('Zip file %s does not exist.', 'duplicator-pro'), $zipPath);
} elseif (DUP_PRO_U::getExeFilepath('zipinfo') != null) {
DUP_PRO_Log::trace("zipinfo exists");
$file_count_string = "zipinfo -t '$zipPath'";
} elseif (DUP_PRO_U::getExeFilepath('unzip') != null) {
DUP_PRO_Log::trace("zipinfo doesn't exist so reverting to unzip");
$file_count_string = "unzip -l '$zipPath' | wc -l";
}
if ($file_count_string != '') {
$shellOutput = Shell::runCommand($file_count_string . ' | awk \'{print $1 }\'', Shell::AVAILABLE_COMMANDS);
$file_count = ($shellOutput !== false)
? trim($shellOutput->getOutputAsString())
: null;
if (is_numeric($file_count)) {
// Accounting for the sql and installer back files
$archive->file_count = (int) $file_count + 2;
} else {
$error_text = sprintf(
__("Error retrieving file count in shell zip %s.", 'duplicator-pro'),
$file_count_string
);
DUP_PRO_Log::trace("Executed file count string of $file_count_string");
DUP_PRO_Log::trace($error_text);
$fix_text = __("Click on button to switch to the DupArchive engine.", 'duplicator-pro');
$system_global = SystemGlobalEntity::getInstance();
$system_global->addQuickFix(
$error_text,
$fix_text,
array(
'global' => array('archive_build_mode' => 3),
)
);
DUP_PRO_Log::error("$error_text **RECOMMENDATION:$fix_text", '', false);
DUP_PRO_Log::trace("$error_text **RECOMMENDATION:$fix_text");
$build_progress->failed = true;
$archive->file_count = -2;
return true;
}
} else {
DUP_PRO_Log::trace("zipinfo doesn't exist");
// The -1 and -2 should be constants since they signify different things
$archive->file_count = -1;
}
} else {
$archive->file_count = 2;
// Installer bak and database.sql
}
DUP_PRO_Log::trace("archive file count from shellzip is $archive->file_count");
$build_progress->archive_built = true;
$build_progress->retries = 0;
$package->update();
$timerAllEnd = DUP_PRO_U::getMicrotime();
$timerAllSum = DUP_PRO_U::elapsedTime($timerAllEnd, $build_progress->archive_start_time);
$zipFileSize = @filesize($zipPath);
DUP_PRO_Log::info("COMPRESSED SIZE: " . DUP_PRO_U::byteSize($zipFileSize));
DUP_PRO_Log::info("ARCHIVE RUNTIME: {$timerAllSum}");
DUP_PRO_Log::info("MEMORY STACK: " . DUP_PRO_Server::getPHPMemory());
} catch (Exception $e) {
DUP_PRO_Log::error("Runtime error in shell exec zip compression.", "Exception: {$e}");
}
return true;
}
}