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<?php declare(strict_types=1);
namespace Cli\Services;
use Cli\Commands\CommandError;
use Exception;
use RecursiveDirectoryIterator;
use RecursiveIteratorIterator;
use Symfony\Component\Console\Output\OutputInterface;
use ZipArchive;
class VendorDownloader
{
public function __construct(
protected string $appDir,
protected OutputInterface $output
) {}
public function download(): void
{
$this->output->writeln("<info>Checking app version...</info>");
$version = AppLocator::getVersion($this->appDir);
if (empty($version)) {
throw new CommandError("Could not determine instance BookStack version.");
}
$targetChecksum = $this->getTargetChecksum();
$this->output->writeln("<info>Downloading ZIP from files.bookstackapp.com...</info>");
$zip = $this->downloadVendorZip($version);
$this->output->writeln("<info>Validating downloaded ZIP...</info>");
$this->verifyZipChecksum($zip, $targetChecksum);
$this->output->writeln("<info>Deleting existing vendor/ directory...</info>");
try {
$this->deleteAppVendorFiles();
} catch (Exception $exception) {
unlink($zip);
throw $exception;
}
$this->output->writeln("<info>Extracting ZIP into BookStack instance...</info>");
$this->extractZip($zip);
$this->output->writeln("<info>Cleaning up old app services...</info>");
$cleaned = $this->cleanupAppServices();
if (!$cleaned) {
$this->output->writeln("<warning>Failed to remove exising app services file</warning>");
}
$this->output->writeln("<success>Successfully downloaded & extracted vendor files into BookStack instance!</success>");
}
protected function cleanupAppServices(): bool
{
$filesToClear = [
implode(DIRECTORY_SEPARATOR, [$this->appDir, 'bootstrap', 'cache', 'services.php']),
implode(DIRECTORY_SEPARATOR, [$this->appDir, 'bootstrap', 'cache', 'packages.php']),
];
$status = true;
foreach ($filesToClear as $file) {
if (file_exists($file)) {
if (@unlink($file) === false) {
$status = false;
}
}
}
return $status;
}
protected function extractZip(string $zipPath): void
{
$zip = new ZipArchive();
$opened = $zip->open($zipPath, ZipArchive::RDONLY);
$extracted = $zip->extractTo($this->appDir);
$closed = $zip->close();
unlink($zipPath);
if (!$opened || !$extracted || !$closed) {
throw new CommandError("Failed to extract ZIP files into {$this->appDir}");
}
}
protected function deleteAppVendorFiles(): void
{
$targetDir = $this->appDir . DIRECTORY_SEPARATOR . 'vendor';
if (!is_dir($targetDir)) {
return;
}
$it = new RecursiveDirectoryIterator($targetDir, RecursiveDirectoryIterator::SKIP_DOTS);
$files = new RecursiveIteratorIterator($it, RecursiveIteratorIterator::CHILD_FIRST);
foreach($files as $file) {
if ($file->isDir()){
rmdir($file->getPathname());
} else {
unlink($file->getPathname());
}
}
$deleted = rmdir($targetDir);
if (!$deleted) {
throw new CommandError("Could not delete existing app vendor directory.");
}
}
protected function verifyZipChecksum(string $zipPath, string $targetChecksum): void
{
$zipChecksum = hash_file('sha256', $zipPath);
if ($zipChecksum !== $targetChecksum) {
unlink($zipPath);
throw new CommandError("Checksum of downloaded ZIP does not match the expected checksum.");
}
}
protected function downloadVendorZip(string $version): string
{
$tempFile = tempnam(sys_get_temp_dir(), 'bs-cli-vendor-zip');
$targetUrl = "https://files.bookstackapp.com/vendor/{$version}.zip";
$targetFile = @fopen($targetUrl, 'rb');
if ($targetFile === false) {
throw new CommandError("Failed to download ZIP file from $targetUrl");
}
file_put_contents($tempFile, $targetFile);
return $tempFile;
}
/**
* @throws CommandError
*/
protected function getTargetChecksum(): string
{
$checksumFile = implode(DIRECTORY_SEPARATOR, [$this->appDir, 'dev', 'checksums', 'vendor']);
$checksum = '';
if (file_exists($checksumFile)) {
$checksum = trim(file_get_contents($checksumFile));
}
if (empty($checksum)) {
throw new CommandError("Could not find a vendor checksum for validation.");
}
return $checksum;
}
}
|
