From 3e915903a28f10fcafc6df18424579c81ce7aefc Mon Sep 17 00:00:00 2001
From: Alexander Makarov <sam@rmcreative.ru>
Date: Wed, 4 Nov 2015 11:51:54 +0300
Subject: [PATCH] Fixes #10083: Added wrapper for PHP webserver

---
 framework/CHANGELOG.md                            |   1 +
 framework/console/Application.php                 |   1 +
 framework/console/controllers/ServeController.php | 141 ++++++++++++++++++++++
 3 files changed, 143 insertions(+)
 create mode 100644 framework/console/controllers/ServeController.php

diff --git a/framework/CHANGELOG.md b/framework/CHANGELOG.md
index 85b9ea2..724ad93 100644
--- a/framework/CHANGELOG.md
+++ b/framework/CHANGELOG.md
@@ -55,6 +55,7 @@ Yii Framework 2 Change Log
 - Chg #9369: `Yii::$app->user->can()` now returns `false` instead of erroring in case `authManager` component is not configured (creocoder)
 - Chg #9411: `DetailView` now automatically sets container tag ID in case it's not specified (samdark)
 - Chg #9953: `TimestampBehavior::getValue()` changed to make value processing consistent with `AttributeBehavior::getValue()` (silverfire)
+- New #10083: Added wrapper for PHP webserver (samdark)
 
 2.0.6 August 05, 2015
 ---------------------
diff --git a/framework/console/Application.php b/framework/console/Application.php
index 0668da8..b392d56 100644
--- a/framework/console/Application.php
+++ b/framework/console/Application.php
@@ -183,6 +183,7 @@ class Application extends \yii\base\Application
             'cache' => 'yii\console\controllers\CacheController',
             'asset' => 'yii\console\controllers\AssetController',
             'fixture' => 'yii\console\controllers\FixtureController',
+            'serve' => 'yii\console\controllers\ServeController',
         ];
     }
 
diff --git a/framework/console/controllers/ServeController.php b/framework/console/controllers/ServeController.php
new file mode 100644
index 0000000..7be5561
--- /dev/null
+++ b/framework/console/controllers/ServeController.php
@@ -0,0 +1,141 @@
+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\console\controllers;
+
+use Yii;
+use yii\console\Controller;
+use yii\helpers\Console;
+
+/**
+ * Runs PHP built-in web server
+ *
+ * In order to access server from remote machines use 0.0.0.0:8000. That is especially useful when running server in
+ * a virtual machine.
+ *
+ * @author Alexander Makarov <sam@rmcreative.ru>
+ * @since 2.0.7
+ */
+class ServeController extends Controller
+{
+    const EXIT_CODE_NO_DOCUMENT_ROOT = 2;
+    const EXIT_CODE_NO_ROUTING_FILE = 3;
+    const EXIT_CODE_ADDRESS_TAKEN_BY_ANOTHER_SERVER = 4;
+    const EXIT_CODE_ADDRESS_TAKEN_BY_ANOTHER_PROCESS = 5;
+
+    /**
+     * @var int port to serve on. Either "host" or "host:port".
+     */
+    public $port = 8080;
+
+    /**
+     * @var string path to directory to serve
+     */
+    public $docroot = 'web';
+
+    /**
+     * @var string path to router script.
+     * See https://secure.php.net/manual/en/features.commandline.webserver.php
+     */
+    public $router;
+
+    /**
+     * Runs PHP built-in web server
+     *
+     * @param string $address address to serve on
+     *
+     * @return int
+     */
+    public function actionIndex($address = 'localhost')
+    {
+        $basePath = Yii::$app->basePath;
+        $documentRoot = $basePath . '/' . $this->docroot;
+
+        if (strpos($address, ':') === false) {
+            $address = $address . ':' . $this->port;
+        }
+
+        if (!is_dir($documentRoot)) {
+            $this->stdout("Document root \"$documentRoot\" does not exist.\n", Console::FG_RED);
+            return self::EXIT_CODE_NO_DOCUMENT_ROOT;
+        }
+
+        if ($this->isOtherServerProcessRunning($address)) {
+            $this->stdout("There's another server running on http://$address.\n", Console::FG_RED);
+            return self::EXIT_CODE_ADDRESS_TAKEN_BY_ANOTHER_SERVER;
+        }
+
+        if ($this->isAddressTaken($address)) {
+            $this->stdout("http://$address is taken by another process.\n", Console::FG_RED);
+            return self::EXIT_CODE_ADDRESS_TAKEN_BY_ANOTHER_PROCESS;
+        }
+
+        if ($this->router !== null && !file_exists($this->router)) {
+            $this->stdout("Routing file \"$this->router\" does not exist.\n", Console::FG_RED);
+            return self::EXIT_CODE_NO_ROUTING_FILE;
+        }
+
+        $this->stdout("Server started on http://{$address}/\n");
+        $this->stdout("Document root is \"{$documentRoot}\"\n");
+        if ($this->router) {
+            $this->stdout("Routing file is \"$this->router\"\n");
+        }
+        $this->stdout("Quit the server with CTRL-C or COMMAND-C.\n");
+
+        $lock = $this->getLockFile($address);
+        touch($lock);
+
+        passthru('"' . PHP_BINARY . '"' . " -S {$address} -t \"{$documentRoot}\" $this->router");
+
+        unlink($lock);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function options($actionID)
+    {
+        return array_merge(parent::options($actionID), [
+            'docroot',
+            'router',
+            'port',
+        ]);
+    }
+
+    /**
+     * @param string $address server address
+     * @return string path to pid file
+     */
+    protected function getLockFile($address)
+    {
+        return sys_get_temp_dir() . '/' . strtr($address, '.:', '--') . '.pid';
+    }
+
+    /**
+     * @param string $address server address
+     * @return boolean if address is already in use
+     */
+    protected function isAddressTaken($address)
+    {
+        list($hostname, $port) = explode(':', $address);
+        $fp = @fsockopen($hostname, $port, $errno, $errstr, 3);
+        if ($fp === false) {
+            return false;
+        }
+        fclose($fp);
+        return true;
+    }
+
+    /**
+     * @param string $address server address
+     * @return boolean if another server is running at address specified
+     */
+    protected function isOtherServerProcessRunning($address)
+    {
+        return file_exists($this->getLockFile($address));
+    }
+}