WpUploadsFolderSymlinker.php — WP STAGING – WordPress Backup, Restore, Migration & Clone 3.8.2

wp-staging / Framework / Filesystem / WpUploadsFolderSymlinker.php

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WpUploadsFolderSymlinker.php

127 lines

1	<?php
2
3	namespace WPStaging\Framework\Filesystem;
4
5	use WPStaging\Backend\Modules\Jobs\Exceptions\FatalException;
6	use WPStaging\Framework\Utils\WpDefaultDirectories;
7
8	/*
9	* This is a service class to symlink the upload folder of production site
10	* to staging site
11	* Symlink will only work if staging site is on same hosting as production site
12	*/
13	class WpUploadsFolderSymlinker
14	{
15	/**
16	* @var string
17	*/
18	protected $stagingWpPath;
19
20	/**
21	* @var string
22	*/
23	protected $stagingUploadPath;
24
25	/**
26	* @var WpDefaultDirectories
27	*/
28	protected $wpDirectories;
29
30	/**
31	* @var string
32	*/
33	protected $error;
34
35	/**
36	* @param string $stagingWpPath
37	*/
38	public function __construct($stagingWpPath)
39	{
40	$this->stagingWpPath = $stagingWpPath;
41	// todo inject using dependency injection if possible
42	$this->wpDirectories = new WpDefaultDirectories();
43	$this->stagingUploadPath = rtrim($this->stagingWpPath . $this->wpDirectories->getRelativeUploadPath(), '/');
44	}
45
46	/**
47	* @return bool
48	*/
49	public function trySymlink()
50	{
51	if (is_link($this->stagingUploadPath)) {
52	$this->error = __("Link already exists", 'wp-staging');
53	return false;
54	}
55
56	if (file_exists($this->stagingUploadPath)) {
57	$this->error = __("Path exists at link path", 'wp-staging');
58	return false;
59	}
60
61	$uploadPath = rtrim($this->wpDirectories->getUploadsPath(), '/\\');
62
63	(new Filesystem())->mkdir(dirname($this->stagingUploadPath));
64
65	// try symlink with exec(ln) if exec is enabled and user is on windows
66	if ((stripos(PHP_OS, 'WIN') === 0) && $this->isExecEnabled()) {
67	return $this->linkWithExec($uploadPath, $this->stagingUploadPath);
68	}
69
70	return $this->link($uploadPath, $this->stagingUploadPath);
71	}
72
73	/**
74	* Return error
75	*/
76	public function getError()
77	{
78	return $this->error;
79	}
80
81	/**
82	* Try symlinking with exec
83	*
84	* @param string $source
85	* @param string $destination
86	* @return boolean
87	*/
88	private function linkWithExec($source, $destination)
89	{
90	try {
91	exec('mklink /D "' . $destination . '" "' . $source . '"');
92	return true;
93	} catch (FatalException $ex) {
94	$this->error = sprintf(__("Can not symlink %s. Error: ", 'wp-staging'), $destination, $ex->getMessage());
95	return false;
96	}
97	}
98
99	/**
100	* Try symlinking with php function
101	*
102	* @param string $source
103	* @param string $destination
104	* @return boolean
105	*/
106	private function link($source, $destination)
107	{
108	try {
109	symlink($source, $destination);
110	return true;
111	} catch (FatalException $ex) {
112	$this->error = sprintf(__("Can not symlink %s. Error: ", 'wp-staging'), $destination, $ex->getMessage());
113	return false;
114	}
115	}
116
117	private function isExecEnabled()
118	{
119	if (!function_exists('exec')) {
120	return false;
121	}
122
123	$disabled = explode(',', ini_get('disable_functions'));
124	return !in_array('exec', $disabled);
125	}
126	}
127