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Jetpack – WP Security, Backup, Speed, & Growth / 7.8
Jetpack – WP Security, Backup, Speed, & Growth v7.8
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jetpack / functions.global.php

functions.global.php in Jetpack – WP Security, Backup, Speed, & Growth 7.8, at functions.global.php

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1 <?php
2 /**
3 * This file is meant to be the home for any generic & reusable functions
4 * that can be accessed anywhere within Jetpack.
5 *
6 * This file is loaded whether or not Jetpack is active.
7 *
8 * Please namespace with jetpack_
9 *
10 * @package Jetpack
11 */
12
13 use Automattic\Jetpack\Connection\Client;
14
15 /**
16 * Disable direct access.
17 */
18 if ( ! defined( 'ABSPATH' ) ) {
19 exit;
20 }
21
22 /**
23 * Set the admin language, based on user language.
24 *
25 * @since 4.5.0
26 * @deprecated 6.6.0 Use Core function instead.
27 *
28 * @return string
29 */
30 function jetpack_get_user_locale() {
31 _deprecated_function( __FUNCTION__, 'jetpack-6.6.0', 'get_user_locale' );
32 return get_user_locale();
33 }
34
35 /**
36 * Determine if this site is an Atomic site or not looking first at the 'at_options' option.
37 * As a fallback, check for presence of wpcomsh plugin to determine if a current site has undergone AT.
38 *
39 * @since 4.8.1
40 *
41 * @return bool
42 */
43 function jetpack_is_atomic_site() {
44 $at_options = get_option( 'at_options', array() );
45 return ! empty( $at_options ) || defined( 'WPCOMSH__PLUGIN_FILE' );
46 }
47
48 /**
49 * Register post type for migration.
50 *
51 * @since 5.2
52 */
53 function jetpack_register_migration_post_type() {
54 register_post_type(
55 'jetpack_migration',
56 array(
57 'supports' => array(),
58 'taxonomies' => array(),
59 'hierarchical' => false,
60 'public' => false,
61 'has_archive' => false,
62 'can_export' => true,
63 )
64 );
65 }
66
67 /**
68 * Stores migration data in the database.
69 *
70 * @since 5.2
71 *
72 * @param string $option_name Option name.
73 * @param bool $option_value Option value.
74 *
75 * @return int|WP_Error
76 */
77 function jetpack_store_migration_data( $option_name, $option_value ) {
78 jetpack_register_migration_post_type();
79
80 $insert = array(
81 'post_title' => $option_name,
82 'post_content_filtered' => $option_value,
83 'post_type' => 'jetpack_migration',
84 'post_date' => date( 'Y-m-d H:i:s', time() ),
85 );
86
87 $post = get_page_by_title( $option_name, 'OBJECT', 'jetpack_migration' );
88
89 if ( null !== $post ) {
90 $insert['ID'] = $post->ID;
91 }
92
93 return wp_insert_post( $insert, true );
94 }
95
96 /**
97 * Retrieves legacy image widget data.
98 *
99 * @since 5.2
100 *
101 * @param string $option_name Option name.
102 *
103 * @return mixed|null
104 */
105 function jetpack_get_migration_data( $option_name ) {
106 $post = get_page_by_title( $option_name, 'OBJECT', 'jetpack_migration' );
107
108 return null !== $post ? maybe_unserialize( $post->post_content_filtered ) : null;
109 }
110
111 /**
112 * Prints a TOS blurb used throughout the connection prompts.
113 *
114 * @since 5.3
115 *
116 * @echo string
117 */
118 function jetpack_render_tos_blurb() {
119 printf(
120 wp_kses(
121 /* Translators: placeholders are links. */
122 __( 'By clicking the <strong>Set up Jetpack</strong> button, you agree to our <a href="%1$s" target="_blank" rel="noopener noreferrer">Terms of Service</a> and to <a href="%2$s" target="_blank" rel="noopener noreferrer">share details</a> with WordPress.com.', 'jetpack' ),
123 array(
124 'a' => array(
125 'href' => array(),
126 'target' => array(),
127 'rel' => array(),
128 ),
129 'strong' => true,
130 )
131 ),
132 'https://wordpress.com/tos',
133 'https://jetpack.com/support/what-data-does-jetpack-sync'
134 );
135 }
136
137 /**
138 * Intervene upgrade process so Jetpack themes are downloaded with credentials.
139 *
140 * @since 5.3
141 *
142 * @param bool $preempt Whether to preempt an HTTP request's return value. Default false.
143 * @param array $r HTTP request arguments.
144 * @param string $url The request URL.
145 *
146 * @return array|bool|WP_Error
147 */
148 function jetpack_theme_update( $preempt, $r, $url ) {
149 if ( false !== stripos( $url, JETPACK__WPCOM_JSON_API_HOST . '/rest/v1/themes/download' ) ) {
150 $file = $r['filename'];
151 if ( ! $file ) {
152 return new WP_Error( 'problem_creating_theme_file', esc_html__( 'Problem creating file for theme download', 'jetpack' ) );
153 }
154 $theme = pathinfo( wp_parse_url( $url, PHP_URL_PATH ), PATHINFO_FILENAME );
155
156 // Remove filter to avoid endless loop since wpcom_json_api_request_as_blog uses this too.
157 remove_filter( 'pre_http_request', 'jetpack_theme_update' );
158 $result = Client::wpcom_json_api_request_as_blog(
159 "themes/download/$theme.zip",
160 '1.1',
161 array(
162 'stream' => true,
163 'filename' => $file,
164 )
165 );
166
167 if ( 200 !== wp_remote_retrieve_response_code( $result ) ) {
168 return new WP_Error( 'problem_fetching_theme', esc_html__( 'Problem downloading theme', 'jetpack' ) );
169 }
170 return $result;
171 }
172 return $preempt;
173 }
174
175 /**
176 * Add the filter when a upgrade is going to be downloaded.
177 *
178 * @since 5.3
179 *
180 * @param bool $reply Whether to bail without returning the package. Default false.
181 *
182 * @return bool
183 */
184 function jetpack_upgrader_pre_download( $reply ) {
185 add_filter( 'pre_http_request', 'jetpack_theme_update', 10, 3 );
186 return $reply;
187 }
188
189 add_filter( 'upgrader_pre_download', 'jetpack_upgrader_pre_download' );
190
191
192 /**
193 * Wraps data in a way so that we can distinguish between objects and array and also prevent object recursion.
194 *
195 * @since 6.1.0
196 *
197 * @param array|obj $any Source data to be cleaned up.
198 * @param array $seen_nodes Built array of nodes.
199 *
200 * @return array
201 */
202 function jetpack_json_wrap( &$any, $seen_nodes = array() ) {
203 if ( is_object( $any ) ) {
204 $input = get_object_vars( $any );
205 $input['__o'] = 1;
206 } else {
207 $input = &$any;
208 }
209
210 if ( is_array( $input ) ) {
211 $seen_nodes[] = &$any;
212
213 $return = array();
214
215 foreach ( $input as $k => &$v ) {
216 if ( ( is_array( $v ) || is_object( $v ) ) ) {
217 if ( in_array( $v, $seen_nodes, true ) ) {
218 continue;
219 }
220 $return[ $k ] = jetpack_json_wrap( $v, $seen_nodes );
221 } else {
222 $return[ $k ] = $v;
223 }
224 }
225
226 return $return;
227 }
228
229 return $any;
230 }
231
232 /**
233 * Checks if the mime_content_type function is available and return it if so.
234 *
235 * The function mime_content_type is enabled by default in PHP, but can be disabled. We attempt to
236 * enforce this via composer.json, but that won't be checked in majority of cases where
237 * this would be happening.
238 *
239 * @since 7.8.0
240 *
241 * @param string $file File location.
242 *
243 * @return string|false MIME type or false if functionality is not available.
244 */
245 function jetpack_mime_content_type( $file ) {
246 if ( function_exists( 'mime_content_type' ) ) {
247 return mime_content_type( $file );
248 }
249
250 return false;
251 }
252
253 /**
254 * Checks that the mime type of the specified file is among those in a filterable list of mime types.
255 *
256 * @since 7.8.0
257 *
258 * @param string $file Path to file to get its mime type.
259 *
260 * @return bool
261 */
262 function jetpack_is_file_supported_for_sideloading( $file ) {
263 $type = jetpack_mime_content_type( $file );
264
265 if ( ! $type ) {
266 return false;
267 }
268
269 /**
270 * Filter the list of supported mime types for media sideloading.
271 *
272 * @since 4.0.0
273 *
274 * @module json-api
275 *
276 * @param array $supported_mime_types Array of the supported mime types for media sideloading.
277 */
278 $supported_mime_types = apply_filters(
279 'jetpack_supported_media_sideload_types',
280 array(
281 'image/png',
282 'image/jpeg',
283 'image/gif',
284 'image/bmp',
285 'video/quicktime',
286 'video/mp4',
287 'video/mpeg',
288 'video/ogg',
289 'video/3gpp',
290 'video/3gpp2',
291 'video/h261',
292 'video/h262',
293 'video/h264',
294 'video/x-msvideo',
295 'video/x-ms-wmv',
296 'video/x-ms-asf',
297 )
298 );
299
300 // If the type returned was not an array as expected, then we know we don't have a match.
301 if ( ! is_array( $supported_mime_types ) ) {
302 return false;
303 }
304
305 return in_array( $type, $supported_mime_types, true );
306 }
307