298 lines
9.6 KiB
PHP
298 lines
9.6 KiB
PHP
<?php
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namespace App\Http\Controllers;
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use Log;
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use File;
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use Cache;
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use Storage;
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use Exception;
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use ZipArchive;
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use Illuminate\Support\Arr;
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use Illuminate\Http\Request;
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use Composer\Semver\Comparator;
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class UpdateController extends Controller
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{
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/**
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* Current application version.
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*
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* @var string
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*/
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protected $currentVersion;
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/**
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* Latest application version in update source.
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*
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* @var string
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*/
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protected $latestVersion;
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/**
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* Where to get information of new application versions.
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*
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* @var string
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*/
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protected $updateSource;
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/**
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* Updates information fetched from update source.
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*
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* @var array|null
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*/
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protected $updateInfo;
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/**
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* Guzzle HTTP client.
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*
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* @var \GuzzleHttp\Client
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*/
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protected $guzzle;
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/**
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* Default request options for Guzzle HTTP client.
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*
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* @var array
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*/
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protected $guzzleConfig;
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public function __construct(\GuzzleHttp\Client $guzzle)
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{
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$this->updateSource = config('app.update_source');
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$this->currentVersion = config('app.version');
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$this->guzzle = $guzzle;
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$this->guzzleConfig = [
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'headers' => ['User-Agent' => config('secure.user_agent')],
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'verify' => config('secure.certificates'),
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];
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}
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public function showUpdatePage()
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{
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$info = [
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'latest_version' => '',
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'current_version' => $this->currentVersion,
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'release_note' => '',
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'release_url' => '',
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'pre_release' => false,
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// Fallback to current time
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'release_time' => '',
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'new_version_available' => false,
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];
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// If current update source is available
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if ($this->getUpdateInfo()) {
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$info['latest_version'] = $this->getUpdateInfo('latest_version');
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$info['new_version_available'] = Comparator::greaterThan(
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$info['latest_version'],
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$info['current_version']
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);
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if ($detail = $this->getReleaseInfo($info['latest_version'])) {
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$info = array_merge($info, Arr::only($detail, [
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'release_note',
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'release_url',
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'release_time',
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'pre_release',
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]));
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} else {
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// if detailed release info is not given
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$info['new_version_available'] = false;
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}
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if (! $info['new_version_available']) {
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$info['release_time'] = Arr::get($this->getReleaseInfo($this->currentVersion), 'release_time');
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}
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}
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$connectivity = true;
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try {
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$this->guzzle->request('GET', $this->updateSource, $this->guzzleConfig);
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} catch (Exception $e) {
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$connectivity = $e->getMessage();
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}
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$extra = ['canUpdate' => $info['new_version_available']];
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return view('admin.update', compact('info', 'connectivity', 'extra'));
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}
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public function checkUpdates()
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{
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return json([
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'latest' => $this->getUpdateInfo('latest_version'),
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'available' => $this->newVersionAvailable(),
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]);
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}
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protected function newVersionAvailable()
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{
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$latest = $this->getUpdateInfo('latest_version');
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return Comparator::greaterThan($latest, $this->currentVersion) && $this->getReleaseInfo($latest);
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}
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public function download(Request $request)
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{
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if (! $this->newVersionAvailable()) {
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return json([]);
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}
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$action = $request->get('action');
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$release_url = $this->getReleaseInfo($this->latestVersion)['release_url'];
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$tmp_path = Cache::get('tmp_path');
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switch ($action) {
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case 'prepare-download':
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Cache::forget('download-progress');
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$update_cache = storage_path('update_cache');
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if (! is_dir($update_cache)) {
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if (false === Storage::disk('root')->makeDirectory('storage/update_cache')) {
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return json(trans('admin.update.errors.write-permission'), 1);
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}
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}
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// Set temporary path for the update package
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$tmp_path = $update_cache.'/update_'.time().'.zip';
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Cache::put('tmp_path', $tmp_path, 3600);
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Log::info('[Update Wizard] Prepare to download update package', compact('release_url', 'tmp_path'));
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// We won't get remote file size here since HTTP HEAD method is not always reliable
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return json(compact('release_url', 'tmp_path'));
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case 'start-download':
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if (! $tmp_path) {
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return json('No temp path available, please try again.', 1);
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}
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@set_time_limit(0);
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$GLOBALS['last_downloaded'] = 0;
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Log::info('[Update Wizard] Start downloading update package');
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try {
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$this->guzzle->request('GET', $release_url, array_merge($this->guzzleConfig, [
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'sink' => $tmp_path,
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'progress' => function ($total, $downloaded) {
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// @codeCoverageIgnoreStart
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if ($total == 0) {
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return;
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}
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// Log current progress per 100 KiB
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if ($total == $downloaded || floor($downloaded / 102400) > floor($GLOBALS['last_downloaded'] / 102400)) {
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$GLOBALS['last_downloaded'] = $downloaded;
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Log::info('[Update Wizard] Download progress (in bytes):', [$total, $downloaded]);
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Cache::put('download-progress', compact('total', 'downloaded'), 3600);
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}
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// @codeCoverageIgnoreEnd
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},
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]));
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} catch (Exception $e) {
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@unlink($tmp_path);
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return json(trans('admin.update.errors.prefix').$e->getMessage(), 1);
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}
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Log::info('[Update Wizard] Finished downloading update package');
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return json(compact('tmp_path'));
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case 'get-progress':
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return json((array) Cache::get('download-progress'));
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case 'extract':
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if (! file_exists($tmp_path)) {
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return json('No file available', 1);
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}
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$extract_dir = storage_path("update_cache/{$this->latestVersion}");
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$zip = new ZipArchive();
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$res = $zip->open($tmp_path);
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if ($res === true) {
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Log::info("[Update Wizard] Extracting file $tmp_path");
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if ($zip->extractTo($extract_dir) === false) {
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return json(trans('admin.update.errors.prefix').'Cannot unzip file.', 1);
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}
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} else {
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return json(trans('admin.update.errors.unzip').$res, 1);
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}
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$zip->close();
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try {
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File::copyDirectory("$extract_dir/vendor", base_path('vendor'));
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} catch (Exception $e) {
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report($e);
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Log::error('[Update Wizard] Unable to extract vendors');
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// Skip copying vendor
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File::deleteDirectory("$extract_dir/vendor");
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}
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try {
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File::copyDirectory($extract_dir, base_path());
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Log::info('[Update Wizard] Overwrite with extracted files');
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} catch (Exception $e) {
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report($e);
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Log::error('[Update Wizard] Error occured when overwriting files');
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// Response can be returned, while cache will be cleared
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// @see https://gist.github.com/g-plane/2f88ad582826a78e0a26c33f4319c1e0
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return json(trans('admin.update.errors.overwrite').$e->getMessage(), 1);
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} finally {
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File::deleteDirectory(storage_path('update_cache'));
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Log::info('[Update Wizard] Cleaning cache');
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}
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Log::info('[Update Wizard] Done');
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return json(trans('admin.update.complete'), 0);
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default:
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return json(trans('general.illegal-parameters'), 1);
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}
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}
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protected function getUpdateInfo($key = null)
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{
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if (! $this->updateInfo) {
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// Add timestamp to control cdn cache
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$url = starts_with($this->updateSource, 'http')
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? $this->updateSource.'?v='.substr(time(), 0, -3)
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: $this->updateSource;
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try {
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$response = $this->guzzle->request('GET', $url, $this->guzzleConfig)->getBody();
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} catch (Exception $e) {
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Log::error('[CheckingUpdate] Failed to get update information: '.$e->getMessage());
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}
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if (isset($response)) {
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$this->updateInfo = json_decode($response, true);
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}
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}
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$this->latestVersion = Arr::get($this->updateInfo, 'latest_version', $this->currentVersion);
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if (! is_null($key)) {
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return Arr::get($this->updateInfo, $key);
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}
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return $this->updateInfo;
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}
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protected function getReleaseInfo($version)
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{
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return Arr::get($this->getUpdateInfo('releases'), $version);
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}
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}
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