From d2b7e0e94f9890d66d6841d0942deaa2c5ee00fd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Huet?= <jeremy.huet@gmail.com>
Date: Sat, 13 Dec 2014 13:58:06 +0100
Subject: [PATCH] Adds Permissions task. Parameters are : paths,
 checkPathsExist, owner, group, rights

---
 .../BuiltIn/Filesystem/PermissionsTask.php    | 256 ++++++++++++++++++
 1 file changed, 256 insertions(+)
 create mode 100644 Mage/Task/BuiltIn/Filesystem/PermissionsTask.php

diff --git a/Mage/Task/BuiltIn/Filesystem/PermissionsTask.php b/Mage/Task/BuiltIn/Filesystem/PermissionsTask.php
new file mode 100644
index 0000000..ee4a91a
--- /dev/null
+++ b/Mage/Task/BuiltIn/Filesystem/PermissionsTask.php
@@ -0,0 +1,256 @@
+<?php
+namespace Mage\Task\BuiltIn\Filesystem;
+
+use Mage\Task\AbstractTask;
+use Mage\Task\SkipException;
+
+/**
+ * Task for setting permissions on given paths.
+ *
+ * @author Jérémy Huet <jeremy.huet@gmail.com>
+ */
+class PermissionsTask extends AbstractTask
+{
+    /**
+     * Paths to change of permissions separated by PATH_SEPARATOR.
+     *
+     * @var string
+     */
+    private $paths;
+
+    /**
+     * If set to true, will check existance of given paths on remote host and
+     * throw SkipException if at least one does not exist.
+     *
+     * @var boolean
+     */
+    private $checkPathsExist = true;
+
+    /**
+     * Owner to set for the given paths (ex : "www-data")
+     *
+     * @var string
+     */
+    private $owner;
+
+    /**
+     * Group to set for the given paths (ex : "www-data")
+     *
+     * @var string
+     */
+    private $group;
+
+    /**
+     * Rights to set for the given paths (ex: "755")
+     *
+     * @var string
+     */
+    private $rights;
+
+    /**
+     * Initialize parameters.
+     *
+     * @throws SkipException
+     */
+    public function init()
+    {
+        parent::init();
+
+        if (! is_null($this->getParameter('checkPathsExist'))) {
+            $this->setCheckPathsExist($this->getParameter('checkPathsExist'));
+        }
+
+        if (! $this->getParameter('paths')) {
+            throw new SkipException('Param paths is mandatory');
+        }
+        $this->setPaths(explode(PATH_SEPARATOR, $this->getParameter('paths', '')));
+
+        if (! is_null($this->getParameter('owner'))) {
+            $this->setOwner($this->getParameter('owner'));
+        }
+
+        if (! is_null($this->getParameter('group'))) {
+            $this->setGroup($this->getParameter('group'));
+        }
+
+        if (! is_null($this->getParameter('rights'))) {
+            $this->setRights($this->getParameter('rights'));
+        }
+    }
+
+    /**
+     * @return string
+     */
+    public function getName()
+    {
+        return "Change rights / owner / group for paths : " . $this->getPathsForCmd() . " [built-in]";
+    }
+
+    /**
+     * @return boolean
+     */
+    public function run()
+    {
+        $command = '';
+
+        if ($this->paths && $this->owner) {
+            $command .= 'chown -R ' . $this->owner . ' ' . $this->getPathsForCmd() . ';';
+        }
+
+        if ($this->paths && $this->group) {
+            $command .= 'chgrp -R ' . $this->group . ' ' . $this->getPathsForCmd() . ';';
+        }
+
+        if ($this->paths && $this->rights) {
+            $command .= 'chmod -R ' . $this->rights . ' ' . $this->getPathsForCmd() . ';';
+        }
+
+        $result = $this->runCommandRemote($command);
+
+        return $result;
+    }
+
+    /**
+     * Transforms paths array to a string separated by 1 space in order to use
+     * it in a command line.
+     *
+     * @return string
+     */
+    protected function getPathsForCmd($paths = null)
+    {
+        if (is_null($paths)) {
+            $paths = $this->paths;
+        }
+
+        return implode(' ', $paths);
+    }
+
+    /**
+     * Set paths. Will check if they exist on remote host depending on
+     * checkPathsExist flag.
+     *
+     * @param array $paths
+     * @return PermissionsTask
+     * @throws SkipException
+     */
+    protected function setPaths(array $paths)
+    {
+        if ($this->checkPathsExist == true) {
+            $commands = array();
+            foreach ($paths as $path) {
+                $commands[] = '(([ -f ' . $path . ' ]) || ([ -d ' . $path . ' ]))';
+            }
+
+            $command = implode(' && ', $commands);
+            if (! $this->runCommandRemote($command)) {
+                throw new SkipException('Make sure all paths given exist on remote host : ' . $this->getPathsForCmd($paths));
+            }
+        }
+
+        $this->paths = $paths;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    protected function getPaths()
+    {
+        return $this->paths;
+    }
+
+    /**
+     * Set checkPathsExist.
+     *
+     * @param boolean $checkPathsExist
+     * @return PermissionsTask
+     */
+    protected function setCheckPathsExist($checkPathsExist)
+    {
+        $this->checkPathsExist = $checkPathsExist;
+
+        return $this;
+    }
+
+    /**
+     * @return boolean
+     */
+    protected function getCheckPathsExist()
+    {
+        return $this->checkPathsExist;
+    }
+
+    /**
+     * Set owner.
+     *
+     * @todo check existance of $owner on remote, might be different ways depending on OS.
+     *
+     * @param string $owner
+     * @return PermissionsTask
+     */
+    protected function setOwner($owner)
+    {
+        $this->owner = $owner;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    protected function getOwner()
+    {
+        return $this->owner;
+    }
+
+    /**
+     * Set group.
+     *
+     * @todo check existance of $group on remote, might be different ways depending on OS.
+     *
+     * @param string $group
+     * @return PermissionsTask
+     */
+    protected function setGroup($group)
+    {
+        $this->group = $group;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    protected function getGroup()
+    {
+        return $this->group;
+    }
+
+    /**
+     * Set rights.
+     *
+     * @todo better way to check if $rights is in a correct format.
+     *
+     * @param string $rights
+     * @return PermissionsTask
+     */
+    protected function setRights($rights)
+    {
+        if (strlen($rights) != 3 || !is_numeric($rights) || $rights > 777) {
+            throw new SkipException('Make sure the rights "' . $rights . '" are in a correct format.');
+        }
+
+        $this->rights = $rights;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    protected function getRights()
+    {
+        return $this->rights;
+    }
+}
\ No newline at end of file