Uploads.php — WP Mail SMTP by WPForms – The Most Popular SMTP and Email Log Plugin 4.7.0

wp-mail-smtp / src / Uploads.php

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Uploads.php

238 lines

1	<?php
2
3	namespace WPMailSMTP;
4
5	use WP_Error;
6	use WP_Filesystem_Direct;
7
8	/**
9	* WPMailSMTP uploads.
10	*
11	* @since 2.8.0
12	*/
13	class Uploads {
14
15	/**
16	* Uploads dir name.
17	*
18	* @since 4.1.1
19	*/
20	const ROOT_FOLDER_NAME = 'wp-mail-smtp';
21
22	/**
23	* Get WPMailSMTP upload root path (e.g. /wp-content/uploads/wp-mail-smtp).
24	*
25	* @since 2.8.0
26	*
27	* @return array\|WP_Error WPMailSMTP upload root path (no trailing slash).
28	*/
29	public static function upload_dir() {
30
31	$upload_dir = wp_upload_dir();
32
33	if ( ! empty( $upload_dir['error'] ) ) {
34	return new WP_Error( 'wp_upload_dir_error', $upload_dir['error'] );
35	}
36
37	$dir = self::ROOT_FOLDER_NAME;
38
39	$upload_root = trailingslashit( realpath( $upload_dir['basedir'] ) ) . $dir;
40
41	/**
42	* Filters upload dir path.
43	*
44	* @since 2.8.0
45	*
46	* @param string $upload_root Upload dir path.
47	*/
48	$custom_uploads_root = apply_filters( 'wp_mail_smtp_uploads_upload_dir_root', $upload_root );
49	if ( wp_is_writable( $custom_uploads_root ) ) {
50	$upload_root = $custom_uploads_root;
51	}
52
53	if ( ! file_exists( $upload_root ) && ! wp_mkdir_p( $custom_uploads_root ) ) {
54	return new WP_Error(
55	'wp_mail_smtp_upload_dir_unable_create',
56	sprintf(
57	/* translators: %s: Directory path. */
58	__( 'Unable to create directory %s. Is its parent directory writable by the server?', 'wp-mail-smtp' ),
59	esc_html( $upload_root )
60	)
61	);
62	}
63
64	if ( ! wp_is_writable( $custom_uploads_root ) ) {
65	return new WP_Error(
66	'wp_mail_smtp_upload_dir_not_writable',
67	sprintf(
68	/* translators: %s: Directory path. */
69	__( 'Unable to write in WPMailSMTP upload directory %s. Is it writable by the server?', 'wp-mail-smtp' ),
70	esc_html( $upload_root )
71	)
72	);
73	}
74
75	return [
76	'path' => $upload_root,
77	'url' => trailingslashit( $upload_dir['baseurl'] ) . $dir,
78	];
79	}
80
81
82	/**
83	* Create .htaccess file in the WPMailSMTP upload directory.
84	*
85	* @since 2.8.0
86	*
87	* @return bool True when the .htaccess file exists, false on failure.
88	*/
89	public static function create_upload_dir_htaccess_file() {
90
91	/**
92	* Filters create upload dir htaccess file.
93	*
94	* @since 2.8.0
95	*
96	* @param bool $is_create Creates upload dir htaccess file.
97	*/
98	if ( ! apply_filters( 'wp_mail_smtp_uploads_create_upload_dir_htaccess_file', true ) ) {
99	return false;
100	}
101
102	$upload_dir = self::upload_dir();
103
104	if ( is_wp_error( $upload_dir ) ) {
105	return false;
106	}
107
108	$htaccess_file = wp_normalize_path( trailingslashit( $upload_dir['path'] ) . '.htaccess' );
109	$cache_key = 'wp_mail_smtp_upload_dir_htaccess_file';
110
111	if ( is_file( $htaccess_file ) ) {
112	$cached_stat = get_transient( $cache_key );
113	$stat = array_intersect_key(
114	stat( $htaccess_file ),
115	[
116	'size' => 0,
117	'mtime' => 0,
118	'ctime' => 0,
119	]
120	);
121
122	if ( $cached_stat === $stat ) {
123	return true;
124	}
125
126	@unlink( $htaccess_file ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
127	}
128
129	if ( ! function_exists( 'insert_with_markers' ) ) {
130	require_once ABSPATH . 'wp-admin/includes/misc.php';
131	}
132
133	/**
134	* Filters upload dir htaccess file content.
135	*
136	* @since 2.8.0
137	*
138	* @param bool $content Upload dir htaccess file content.
139	*/
140	$contents = apply_filters(
141	'wp_mail_smtp_uploads_create_upload_dir_htaccess_file_content',
142	'# Disable PHP and Python scripts parsing.
143	<Files *>
144	SetHandler none
145	SetHandler default-handler
146	RemoveHandler .cgi .php .php3 .php4 .php5 .phtml .pl .py .pyc .pyo
147	RemoveType .cgi .php .php3 .php4 .php5 .phtml .pl .py .pyc .pyo
148	</Files>
149	<IfModule mod_php5.c>
150	php_flag engine off
151	</IfModule>
152	<IfModule mod_php7.c>
153	php_flag engine off
154	</IfModule>
155	<IfModule mod_php8.c>
156	php_flag engine off
157	</IfModule>
158	<IfModule headers_module>
159	Header set X-Robots-Tag "noindex"
160	</IfModule>'
161	);
162
163	$created = insert_with_markers( $htaccess_file, 'WPMailSMTP', $contents );
164
165	if ( $created ) {
166	clearstatcache( true, $htaccess_file );
167	$stat = array_intersect_key(
168	stat( $htaccess_file ),
169	[
170	'size' => 0,
171	'mtime' => 0,
172	'ctime' => 0,
173	]
174	);
175
176	set_transient( $cache_key, $stat );
177	}
178
179	return $created;
180	}
181
182	/**
183	* Create index.html file in the specified directory if it doesn't exist.
184	*
185	* @since 2.8.0
186	*
187	* @param string $path Path to the directory.
188	*
189	* @return int\|false Number of bytes that were written to the file, or false on failure.
190	*/
191	public static function create_index_html_file( $path ) {
192
193	if ( ! is_dir( $path ) \|\| is_link( $path ) ) {
194	return false;
195	}
196
197	$index_file = wp_normalize_path( trailingslashit( $path ) . 'index.html' );
198
199	// Do nothing if index.html exists in the directory.
200	if ( file_exists( $index_file ) ) {
201	return false;
202	}
203
204	// Create empty index.html.
205	return file_put_contents( $index_file, '' ); // phpcs:ignore WordPress.WP.AlternativeFunctions
206	}
207
208	/**
209	* Delete the WPMailSMTP uploads directory.
210	*
211	* @since 4.1.1
212	*
213	* @return void
214	*/
215	public static function delete_upload_dir() {
216
217	// Get the upload dir.
218	$upload_dir = self::upload_dir();
219
220	// If there is an error, return.
221	if ( is_wp_error( $upload_dir ) ) {
222	return;
223	}
224
225	$upload_root = $upload_dir['path'];
226
227	// Get WP Filesystembase files.
228	require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php';
229	require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-direct.php';
230
231	// Initialize WP_Filesystem_Direct.
232	$wp_filesystem = new WP_Filesystem_Direct( false );
233
234	// Delete the directory.
235	$wp_filesystem->delete( $upload_root, true );
236	}
237	}
238