601 lines
16 KiB
PHP
601 lines
16 KiB
PHP
<?php
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namespace App\Services;
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use Storage;
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use Exception;
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use App\Events;
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use Composer\Semver\Semver;
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use Illuminate\Support\Arr;
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use Illuminate\Support\Str;
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use Composer\Semver\Comparator;
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use Illuminate\Support\Collection;
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use Illuminate\Filesystem\Filesystem;
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use App\Exceptions\PrettyPageException;
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use Illuminate\Contracts\Events\Dispatcher;
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use Illuminate\Contracts\Foundation\Application;
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class PluginManager
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{
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/**
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* @var bool
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*/
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protected $booted = false;
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/**
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* @var Application
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*/
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protected $app;
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/**
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* @var Option
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*/
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protected $option;
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/**
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* @var Dispatcher
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*/
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protected $dispatcher;
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/**
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* @var Filesystem
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*/
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protected $filesystem;
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/**
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* @var Collection|null
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*/
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protected $plugins;
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/**
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* @var Collection
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*/
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protected $enabled;
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public function __construct(
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Application $app,
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Option $option,
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Dispatcher $dispatcher,
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Filesystem $filesystem
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) {
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$this->app = $app;
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$this->option = $option;
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$this->dispatcher = $dispatcher;
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$this->filesystem = $filesystem;
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}
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/**
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* Boot all enabled plugins.
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*/
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public function boot()
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{
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if ($this->booted) {
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return;
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}
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$this->enabled = collect(json_decode($this->option->get('plugins_enabled', '[]'), true));
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$plugins = collect();
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collect($this->filesystem->directories($this->getPluginsDir()))
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->filter(function ($directory) {
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return $this->filesystem->exists($directory.DIRECTORY_SEPARATOR.'package.json');
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})
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->each(function ($directory) use (&$plugins) {
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$manifest = json_decode(
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$this->filesystem->get($directory.DIRECTORY_SEPARATOR.'package.json'),
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true
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);
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$name = $manifest['name'];
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if ($plugins->has($name)) {
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throw new PrettyPageException(trans('errors.plugins.duplicate', [
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'dir1' => $plugins->get($name)->getPath(),
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'dir2' => $directory,
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]), 5);
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}
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$plugin = new Plugin($directory, $manifest);
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if ($this->enabled->contains('name', $name)) {
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$plugin->setEnabled(true);
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}
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$plugins->put($name, $plugin);
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});
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// disable unsatisfied here
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$enabled = $plugins->filter(function ($plugin) {
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return $plugin->isEnabled();
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});
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$this->registerAutoload(
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$enabled->mapWithKeys(function ($plugin) {
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return [$plugin->namespace => $plugin->getPath().'/src'];
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})
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);
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$this->loadVendor($enabled);
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$this->loadViewsAndTranslations($enabled);
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$this->loadBootstrapper($enabled);
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$this->booted = true;
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}
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/**
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* Register classes autoloading.
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*
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* @param Collection $paths
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*/
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protected function registerAutoload($paths)
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{
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spl_autoload_register(function ($class) use ($paths) {
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$paths->each(function ($path, $namespace) use ($class) {
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if ($namespace != '' && mb_strpos($class, $namespace) === 0) {
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// Parse real file path
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$path = $path.Str::replaceFirst($namespace, '', $class).'.php';
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$path = str_replace('\\', '/', $path);
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if ($this->filesystem->exists($path)) {
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$this->filesystem->getRequire($path);
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}
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}
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});
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});
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}
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/**
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* Load Composer dumped autoload file.
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*
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* @param Collection $enabled
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*/
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protected function loadVendor($enabled)
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{
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$enabled->each(function ($plugin) {
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$path = $plugin->getPath().'/vendor/autoload.php';
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if ($this->filesystem->exists($path)) {
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$this->filesystem->getRequire($path);
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}
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});
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}
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/**
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* Load views and translations.
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*
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* @param Collection $enabled
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*/
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protected function loadViewsAndTranslations($enabled)
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{
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$translations = $this->app->make('translation.loader');
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$view = $this->app->make('view');
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$enabled->each(function ($plugin) use (&$translations, &$view) {
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$namespace = $plugin->namespace;
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$path = $plugin->getPath();
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$translations->addNamespace($namespace, $path.'/lang');
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$view->addNamespace($namespace, $path.'/views');
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});
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}
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/**
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* Load plugin's bootstrapper.
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*
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* @param Collection $enabled
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*/
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protected function loadBootstrapper($enabled)
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{
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$enabled->each(function ($plugin) {
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$path = $plugin->getPath().'/bootstrap.php';
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if ($this->filesystem->exists($path)) {
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$this->app->call($this->filesystem->getRequire($path));
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}
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});
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}
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/**
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* @return Collection
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*/
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public function getPlugins()
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{
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if (is_null($this->plugins)) {
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$plugins = new Collection();
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$enabled = $this->getFullEnabled();
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$installed = [];
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$cwd = getcwd();
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chdir(base_path());
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try {
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$resource = opendir($this->getPluginsDir());
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} catch (\Exception $e) {
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throw new PrettyPageException(trans('errors.plugins.directory', ['msg' => $e->getMessage()]), 500);
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}
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// traverse plugins dir
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while ($filename = @readdir($resource)) {
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if ($filename == '.' || $filename == '..') {
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continue;
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}
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$path = $this->getPluginsDir().DIRECTORY_SEPARATOR.$filename;
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if (is_dir($path)) {
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$packageJsonPath = $path.DIRECTORY_SEPARATOR.'package.json';
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if (file_exists($packageJsonPath)) {
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// load packages installed
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$installed[$filename] = json_decode($this->filesystem->get($packageJsonPath), true);
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}
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}
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}
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closedir($resource);
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foreach ($installed as $dirname => $package) {
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// Instantiates an Plugin object using the package path and package.json file.
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$plugin = new Plugin($this->getPluginsDir().DIRECTORY_SEPARATOR.$dirname, $package);
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// Each default all plugins are installed if they are registered in composer.
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$plugin->setDirname($dirname);
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$plugin->setInstalled(true);
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$plugin->setNameSpace(Arr::get($package, 'namespace'));
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$plugin->setVersion(Arr::get($package, 'version'));
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$plugin->setEnabled($this->isEnabled($plugin->name));
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if ($plugins->has($plugin->name)) {
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throw new PrettyPageException(trans('errors.plugins.duplicate', [
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'dir1' => $plugin->getDirname(),
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'dir2' => $plugins->get($plugin->name)->getDirname(),
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]), 5);
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}
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$plugins->put($plugin->name, $plugin);
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if (
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$enabled->has($plugin->name) &&
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Comparator::notEqualTo($plugin->getVersion(), $enabled->get($plugin->name))
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) {
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$this->copyPluginAssets($plugin);
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}
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}
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$this->plugins = $plugins->sortBy(function ($plugin, $name) {
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return $plugin->name;
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});
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chdir($cwd);
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}
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return $this->plugins;
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}
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/**
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* Loads an Plugin with all information.
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*
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* @param string $name
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* @return Plugin|null
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*/
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public function getPlugin($name)
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{
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return $this->getPlugins()->get($name);
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}
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/**
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* Enables the plugin.
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*
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* @param string $name
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*/
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public function enable($name)
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{
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if (is_null($this->enabled)) {
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$this->convertPluginRecord();
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}
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if (! $this->isEnabled($name)) {
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$plugin = $this->getPlugin($name);
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$this->enabled->push([
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'name' => $name,
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'version' => $plugin->getVersion(),
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]);
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$this->saveEnabled();
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$plugin->setEnabled(true);
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$this->copyPluginAssets($plugin);
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$this->dispatcher->dispatch(new Events\PluginWasEnabled($plugin));
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}
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}
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/**
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* Disables an plugin.
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*
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* @param string $name
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*/
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public function disable($name)
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{
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if (is_null($this->enabled)) {
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$this->convertPluginRecord();
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}
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$rejected = $this->enabled->reject(function ($item) use ($name) {
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return is_string($item) ? $item == $name : $item['name'] == $name;
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});
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if ($rejected->count() !== $this->enabled->count()) {
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$plugin = $this->getPlugin($name);
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$plugin->setEnabled(false);
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$this->enabled = $rejected;
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$this->saveEnabled();
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$this->dispatcher->dispatch(new Events\PluginWasDisabled($plugin));
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}
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}
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/**
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* Uninstalls an plugin.
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*
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* @param string $name
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*/
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public function uninstall($name)
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{
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$plugin = $this->getPlugin($name);
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$this->disable($name);
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// dispatch event before deleting plugin files
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$this->dispatcher->dispatch(new Events\PluginWasDeleted($plugin));
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$this->filesystem->deleteDirectory($plugin->getPath());
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// refresh plugin list
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$this->plugins = null;
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}
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/**
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* Get only enabled plugins.
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*
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* @return Collection
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*/
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public function getEnabledPlugins()
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{
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if (is_null($this->enabled)) {
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$this->convertPluginRecord();
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}
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return $this->getPlugins()->only($this->getEnabled());
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}
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/**
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* Loads all bootstrap.php files of the enabled plugins.
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*
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* @return Collection
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*/
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public function getEnabledBootstrappers()
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{
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$bootstrappers = new Collection;
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foreach ($this->getEnabledPlugins() as $plugin) {
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if ($this->filesystem->exists($file = $plugin->getPath().'/bootstrap.php')) {
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$bootstrappers->push($file);
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}
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}
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return $bootstrappers;
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}
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/**
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* Loads composer autoloader for the enabled plugins if exists.
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*
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* @return Collection
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*/
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public function getEnabledComposerAutoloaders()
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{
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$autoloaders = new Collection;
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foreach ($this->getEnabledPlugins() as $plugin) {
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if ($this->filesystem->exists($file = $plugin->getPath().'/vendor/autoload.php')) {
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$autoloaders->push($file);
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}
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}
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return $autoloaders;
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}
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/**
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* The id's of the enabled plugins.
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*
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* @return array
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*/
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public function getEnabled()
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{
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$enabled = collect(json_decode($this->option->get('plugins_enabled'), true));
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return $enabled->map(function ($item) {
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if (is_string($item)) {
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return $item;
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} else {
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return $item['name'];
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}
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})->values()->toArray();
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}
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/**
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* Return enabled plugins with version information.
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*
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* @return Collection
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*/
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public function getFullEnabled()
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{
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$enabled = collect(json_decode($this->option->get('plugins_enabled'), true));
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$ret = collect();
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$enabled->each(function ($item) use ($ret) {
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if (is_array($item)) {
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$ret->put($item['name'], $item['version']);
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}
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});
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return $ret;
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}
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/**
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* Persist the currently enabled plugins.
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*/
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protected function saveEnabled()
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{
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$this->option->set('plugins_enabled', $this->enabled->values()->toJson());
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}
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/**
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* Whether the plugin is enabled.
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*
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* @param string $pluginName
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* @return bool
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*/
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public function isEnabled($pluginName)
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{
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return in_array($pluginName, $this->getEnabled());
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}
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/**
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* Get the unsatisfied requirements of plugin.
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*
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* @param string|Plugin|array $plugin
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* @return array
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*/
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public function getUnsatisfiedRequirements($plugin)
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{
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if (is_array($plugin)) {
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$requirements = $plugin;
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} else {
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if (! $plugin instanceof Plugin) {
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$plugin = $this->getPlugin($plugin);
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}
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if (! $plugin) {
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throw new \InvalidArgumentException('Plugin with given name does not exist.');
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}
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$requirements = $plugin->getRequirements();
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}
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$unsatisfied = [];
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foreach ($requirements as $name => $versionConstraint) {
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// Version requirement for the main application
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if ($name == 'blessing-skin-server') {
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if (! Semver::satisfies(config('app.version'), $versionConstraint)) {
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$unsatisfied['blessing-skin-server'] = [
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'version' => config('app.version'),
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'constraint' => $versionConstraint,
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];
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}
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continue;
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}
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$requiredPlugin = $this->getPlugin($name);
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if (! $requiredPlugin || ! $requiredPlugin->isEnabled()) {
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$unsatisfied[$name] = [
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'version' => null,
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'constraint' => $versionConstraint,
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];
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continue;
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}
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if (! Semver::satisfies($requiredPlugin->getVersion(), $versionConstraint)) {
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$unsatisfied[$name] = [
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'version' => $requiredPlugin->getVersion(),
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'constraint' => $versionConstraint,
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];
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continue;
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}
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}
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return $unsatisfied;
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}
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/**
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* Whether the plugin's requirements are satisfied.
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*
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* @param string|Plugin|array $plugin
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* @return bool
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*/
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public function isRequirementsSatisfied($plugin)
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{
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return empty($this->getUnsatisfiedRequirements($plugin));
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}
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/**
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* The plugins path.
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*
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* @return string
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*/
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public function getPluginsDir()
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{
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return config('plugins.directory') ? realpath(config('plugins.directory')) : base_path('plugins');
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}
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/**
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* Copy plugin assets.
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*
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* @param Plugin $plugin
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*
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* @return bool
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*/
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public function copyPluginAssets($plugin)
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{
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$dir = public_path('plugins/'.$plugin->name);
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Storage::deleteDirectory($dir);
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$this->filesystem->copyDirectory(
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$this->getPluginsDir().DIRECTORY_SEPARATOR.$plugin->name.DIRECTORY_SEPARATOR.'assets',
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$dir.'/assets'
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);
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$this->filesystem->copyDirectory(
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$this->getPluginsDir().DIRECTORY_SEPARATOR.$plugin->name.DIRECTORY_SEPARATOR.'lang',
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$dir.'/lang'
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);
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}
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/**
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* Convert `plugins_enabled` field for backward compatibility.
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*
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* @return $this
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*/
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protected function convertPluginRecord()
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{
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$list = collect(json_decode($this->option->get('plugins_enabled'), true));
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$this->enabled = $list->map(function ($item) {
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if (is_string($item)) {
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$plugin = $this->getPlugin($item);
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// If we cannot read the package of that plugin, just return it as-is.
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if (is_null($plugin)) {
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return $item;
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}
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return [
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'name' => $item,
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'version' => $plugin->getVersion(),
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];
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} else {
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$plugin = $this->getPlugin($item['name']);
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if (! empty($plugin)) {
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$item['version'] = $plugin->getVersion();
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}
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return $item;
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}
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});
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$this->saveEnabled();
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return $this;
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}
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}
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