Uploads.php — WP Mail SMTP by WPForms – The Most Popular SMTP and Email Log Plugin 3.2.1

wp-mail-smtp / src / Uploads.php

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Uploads.php

200 lines

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