* @since 2.0 */ class Installer extends LibraryInstaller { const EXTRA_BOOTSTRAP = 'bootstrap'; const EXTENSION_FILE = 'yiisoft/extensions.php'; /** * @inheritdoc */ public function supports($packageType) { return $packageType === 'yii2-extension'; } /** * @inheritdoc */ public function install(InstalledRepositoryInterface $repo, PackageInterface $package) { // install the package the normal composer way parent::install($repo, $package); // add the package to yiisoft/extensions.php $this->addPackage($package); // ensure the yii2-dev package also provides Yii.php in the same place as yii2 does if ($package->getName() == 'yiisoft/yii2-dev') { $this->linkBaseYiiFiles(); } } /** * @inheritdoc */ public function update(InstalledRepositoryInterface $repo, PackageInterface $initial, PackageInterface $target) { parent::update($repo, $initial, $target); $this->removePackage($initial); $this->addPackage($target); // ensure the yii2-dev package also provides Yii.php in the same place as yii2 does if ($initial->getName() == 'yiisoft/yii2-dev') { $this->linkBaseYiiFiles(); } } /** * @inheritdoc */ public function uninstall(InstalledRepositoryInterface $repo, PackageInterface $package) { // uninstall the package the normal composer way parent::uninstall($repo, $package); // remove the package from yiisoft/extensions.php $this->removePackage($package); // remove links for Yii.php if ($package->getName() == 'yiisoft/yii2-dev') { $this->removeBaseYiiFiles(); } } protected function addPackage(PackageInterface $package) { $extension = [ 'name' => $package->getName(), 'version' => $package->getVersion(), ]; $alias = $this->generateDefaultAlias($package); if (!empty($alias)) { $extension['alias'] = $alias; } $extra = $package->getExtra(); if (isset($extra[self::EXTRA_BOOTSTRAP])) { $extension['bootstrap'] = $extra[self::EXTRA_BOOTSTRAP]; } $extensions = $this->loadExtensions(); $extensions[$package->getName()] = $extension; $this->saveExtensions($extensions); } protected function generateDefaultAlias(PackageInterface $package) { $fs = new Filesystem; $vendorDir = $fs->normalizePath($this->vendorDir); $autoload = $package->getAutoload(); $aliases = []; if (!empty($autoload['psr-0'])) { foreach ($autoload['psr-0'] as $name => $path) { $name = str_replace('\\', '/', trim($name, '\\')); if (!$fs->isAbsolutePath($path)) { $path = $this->vendorDir . '/' . $package->getPrettyName() . '/' . $path; } $path = $fs->normalizePath($path); if (strpos($path . '/', $vendorDir . '/') === 0) { $aliases["@$name"] = '' . substr($path, strlen($vendorDir)) . '/' . $name; } else { $aliases["@$name"] = $path . '/' . $name; } } } if (!empty($autoload['psr-4'])) { foreach ($autoload['psr-4'] as $name => $path) { if (is_array($path)) { // ignore psr-4 autoload specifications with multiple search paths // we can not convert them into aliases as they are ambiguous continue; } $name = str_replace('\\', '/', trim($name, '\\')); if (!$fs->isAbsolutePath($path)) { $path = $this->vendorDir . '/' . $package->getPrettyName() . '/' . $path; } $path = $fs->normalizePath($path); if (strpos($path . '/', $vendorDir . '/') === 0) { $aliases["@$name"] = '' . substr($path, strlen($vendorDir)); } else { $aliases["@$name"] = $path; } } } return $aliases; } protected function removePackage(PackageInterface $package) { $packages = $this->loadExtensions(); unset($packages[$package->getName()]); $this->saveExtensions($packages); } protected function loadExtensions() { $file = $this->vendorDir . '/' . static::EXTENSION_FILE; if (!is_file($file)) { return []; } // invalidate opcache of extensions.php if exists if (function_exists('opcache_invalidate')) { opcache_invalidate($file, true); } $extensions = require($file); $vendorDir = str_replace('\\', '/', $this->vendorDir); $n = strlen($vendorDir); foreach ($extensions as &$extension) { if (isset($extension['alias'])) { foreach ($extension['alias'] as $alias => $path) { $path = str_replace('\\', '/', $path); if (strpos($path . '/', $vendorDir . '/') === 0) { $extension['alias'][$alias] = '' . substr($path, $n); } } } } return $extensions; } protected function saveExtensions(array $extensions) { $file = $this->vendorDir . '/' . static::EXTENSION_FILE; if (!file_exists(dirname($file))) { mkdir(dirname($file), 0777, true); } $array = str_replace("'", '$vendorDir . \'', var_export($extensions, true)); file_put_contents($file, "vendorDir . '/yiisoft/yii2'; if (!file_exists($yiiDir)) { mkdir($yiiDir, 0777, true); } foreach (['Yii.php', 'BaseYii.php', 'classes.php'] as $file) { file_put_contents($yiiDir . '/' . $file, <<vendorDir . '/yiisoft/yii2'; foreach (['Yii.php', 'BaseYii.php', 'classes.php'] as $file) { if (file_exists($yiiDir . '/' . $file)) { unlink($yiiDir . '/' . $file); } } if (file_exists($yiiDir)) { rmdir($yiiDir); } } public static function postCreateProject($event) { $params = $event->getComposer()->getPackage()->getExtra(); if (isset($params[__METHOD__]) && is_array($params[__METHOD__])) { foreach ($params[__METHOD__] as $method => $args) { call_user_func_array([__CLASS__, $method], (array) $args); } } } /** * Sets the correct permission for the files and directories listed in the extra section. * @param array $paths the paths (keys) and the corresponding permission octal strings (values) */ public static function setPermission(array $paths) { foreach ($paths as $path => $permission) { echo "chmod('$path', $permission)..."; if (is_dir($path) || is_file($path)) { try { if (chmod($path, octdec($permission))) { echo "done.\n"; }; } catch (\Exception $e) { echo $e->getMessage() . "\n"; } } else { echo "file not found.\n"; } } } /** * Generates a cookie validation key for every app config listed in "config" in extra section. * You can provide one or multiple parameters as the configuration files which need to have validation key inserted. */ public static function generateCookieValidationKey() { $configs = func_get_args(); $key = self::generateRandomString(); foreach ($configs as $config) { if (is_file($config)) { $content = preg_replace('/(("|\')cookieValidationKey("|\')\s*=>\s*)(""|\'\')/', "\\1'$key'", file_get_contents($config)); file_put_contents($config, $content); } } } protected static function generateRandomString() { if (!extension_loaded('openssl')) { throw new \Exception('The OpenSSL PHP extension is required by Yii2.'); } $length = 32; $bytes = openssl_random_pseudo_bytes($length); return strtr(substr(base64_encode($bytes), 0, $length), '+/=', '_-.'); } }