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Jetpack – WP Security, Backup, Speed, & Growth / 9.1.2
Jetpack – WP Security, Backup, Speed, & Growth v9.1.2
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jetpack / functions.global.php

functions.global.php in Jetpack – WP Security, Backup, Speed, & Growth 9.1.2, 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 use Automattic\Jetpack\Redirect;
15 use Automattic\Jetpack\Device_Detection;
16
17 /**
18 * Disable direct access.
19 */
20 if ( ! defined( 'ABSPATH' ) ) {
21 exit;
22 }
23
24 /**
25 * Hook into Core's _deprecated_function
26 * Add more details about when a deprecated function will be removed.
27 *
28 * @since 8.8.0
29 *
30 * @param string $function The function that was called.
31 * @param string $replacement Optional. The function that should have been called. Default null.
32 * @param string $version The version of Jetpack that deprecated the function.
33 */
34 function jetpack_deprecated_function( $function, $replacement, $version ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
35 // Bail early for non-Jetpack deprecations.
36 if ( 0 !== strpos( $version, 'jetpack-' ) ) {
37 return;
38 }
39
40 // Look for when a function will be removed based on when it was deprecated.
41 $removed_version = jetpack_get_future_removed_version( $version );
42
43 // If we could find a version, let's log a message about when removal will happen.
44 if (
45 ! empty( $removed_version )
46 && ( defined( 'WP_DEBUG' ) && WP_DEBUG )
47 /** This filter is documented in core/src/wp-includes/functions.php */
48 && apply_filters( 'deprecated_function_trigger_error', true )
49 ) {
50 error_log( // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log
51 sprintf(
52 /* Translators: 1. Function name. 2. Jetpack version number. */
53 __( 'The %1$s function will be removed from the Jetpack plugin in version %2$s.', 'jetpack' ),
54 $function,
55 $removed_version
56 )
57 );
58
59 }
60 }
61 add_action( 'deprecated_function_run', 'jetpack_deprecated_function', 10, 3 );
62
63 /**
64 * Hook into Core's _deprecated_file
65 * Add more details about when a deprecated file will be removed.
66 *
67 * @since 8.8.0
68 *
69 * @param string $file The file that was called.
70 * @param string $replacement The file that should have been included based on ABSPATH.
71 * @param string $version The version of WordPress that deprecated the file.
72 * @param string $message A message regarding the change.
73 */
74 function jetpack_deprecated_file( $file, $replacement, $version, $message ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
75 // Bail early for non-Jetpack deprecations.
76 if ( 0 !== strpos( $version, 'jetpack-' ) ) {
77 return;
78 }
79
80 // Look for when a file will be removed based on when it was deprecated.
81 $removed_version = jetpack_get_future_removed_version( $version );
82
83 // If we could find a version, let's log a message about when removal will happen.
84 if (
85 ! empty( $removed_version )
86 && ( defined( 'WP_DEBUG' ) && WP_DEBUG )
87 /** This filter is documented in core/src/wp-includes/functions.php */
88 && apply_filters( 'deprecated_file_trigger_error', true )
89 ) {
90 error_log( // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log
91 sprintf(
92 /* Translators: 1. File name. 2. Jetpack version number. */
93 __( 'The %1$s file will be removed from the Jetpack plugin in version %2$s.', 'jetpack' ),
94 $file,
95 $removed_version
96 )
97 );
98
99 }
100 }
101 add_action( 'deprecated_file_included', 'jetpack_deprecated_file', 10, 4 );
102
103 /**
104 * Get the major version number of Jetpack 6 months after provided version.
105 * Useful to indicate when a deprecated function will be removed from Jetpack.
106 *
107 * @since 8.8.0
108 *
109 * @param string $version The version of WordPress that deprecated the function.
110 *
111 * @return bool|float Return a Jetpack Major version number, or false.
112 */
113 function jetpack_get_future_removed_version( $version ) {
114 /*
115 * Extract the version number from a deprecation notice.
116 * (let's only keep the first decimal, e.g. 8.8 and not 8.8.0)
117 */
118 preg_match( '#(([0-9]+\.([0-9]+))(?:\.[0-9]+)*)#', $version, $matches );
119
120 if ( isset( $matches[2], $matches[3] ) ) {
121 $deprecated_version = (float) $matches[2];
122 $deprecated_minor = (float) $matches[3];
123
124 /*
125 * If the detected minor version number
126 * (e.g. "7" in "8.7")
127 * is higher than 9, we know the version number is malformed.
128 * Jetpack does not use semver yet.
129 * Bail.
130 */
131 if ( 10 <= $deprecated_minor ) {
132 return false;
133 }
134
135 // We'll remove the function from the code 6 months later, thus 6 major versions later.
136 $removed_version = $deprecated_version + 0.6;
137
138 return (float) $removed_version;
139 }
140
141 return false;
142 }
143
144 /**
145 * Set the admin language, based on user language.
146 *
147 * @since 4.5.0
148 * @deprecated 6.6.0 Use Core function instead.
149 *
150 * @return string
151 */
152 function jetpack_get_user_locale() {
153 _deprecated_function( __FUNCTION__, 'jetpack-6.6.0', 'get_user_locale' );
154 return get_user_locale();
155 }
156
157 /**
158 * Determine if this site is an Atomic site or not looking first at the 'at_options' option.
159 * As a fallback, check for presence of wpcomsh plugin to determine if a current site has undergone AT.
160 *
161 * @since 4.8.1
162 *
163 * @return bool
164 */
165 function jetpack_is_atomic_site() {
166 $at_options = get_option( 'at_options', array() );
167 return ! empty( $at_options ) || defined( 'WPCOMSH__PLUGIN_FILE' );
168 }
169
170 /**
171 * Register post type for migration.
172 *
173 * @since 5.2
174 */
175 function jetpack_register_migration_post_type() {
176 register_post_type(
177 'jetpack_migration',
178 array(
179 'supports' => array(),
180 'taxonomies' => array(),
181 'hierarchical' => false,
182 'public' => false,
183 'has_archive' => false,
184 'can_export' => true,
185 )
186 );
187 }
188
189 /**
190 * Stores migration data in the database.
191 *
192 * @since 5.2
193 *
194 * @param string $option_name Option name.
195 * @param bool $option_value Option value.
196 *
197 * @return int|WP_Error
198 */
199 function jetpack_store_migration_data( $option_name, $option_value ) {
200 jetpack_register_migration_post_type();
201
202 $insert = array(
203 'post_title' => $option_name,
204 'post_content_filtered' => $option_value,
205 'post_type' => 'jetpack_migration',
206 'post_date' => gmdate( 'Y-m-d H:i:s', time() ),
207 );
208
209 $post = get_page_by_title( $option_name, 'OBJECT', 'jetpack_migration' );
210
211 if ( null !== $post ) {
212 $insert['ID'] = $post->ID;
213 }
214
215 return wp_insert_post( $insert, true );
216 }
217
218 /**
219 * Retrieves legacy image widget data.
220 *
221 * @since 5.2
222 *
223 * @param string $option_name Option name.
224 *
225 * @return mixed|null
226 */
227 function jetpack_get_migration_data( $option_name ) {
228 $post = get_page_by_title( $option_name, 'OBJECT', 'jetpack_migration' );
229
230 return null !== $post ? maybe_unserialize( $post->post_content_filtered ) : null;
231 }
232
233 /**
234 * Prints a TOS blurb used throughout the connection prompts.
235 *
236 * @since 5.3
237 *
238 * @echo string
239 */
240 function jetpack_render_tos_blurb() {
241 printf(
242 wp_kses(
243 /* Translators: placeholders are links. */
244 __( 'By clicking the <strong>Set up Jetpack</strong> button, you agree to our <a href="%1$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' ),
245 array(
246 'a' => array(
247 'href' => array(),
248 'target' => array(),
249 'rel' => array(),
250 ),
251 'strong' => true,
252 )
253 ),
254 esc_url( Redirect::get_url( 'wpcom-tos' ) ),
255 esc_url( Redirect::get_url( 'jetpack-support-what-data-does-jetpack-sync' ) )
256 );
257 }
258
259 /**
260 * Intervene upgrade process so Jetpack themes are downloaded with credentials.
261 *
262 * @since 5.3
263 *
264 * @param bool $preempt Whether to preempt an HTTP request's return value. Default false.
265 * @param array $r HTTP request arguments.
266 * @param string $url The request URL.
267 *
268 * @return array|bool|WP_Error
269 */
270 function jetpack_theme_update( $preempt, $r, $url ) {
271 if ( 0 === stripos( $url, JETPACK__WPCOM_JSON_API_BASE . '/rest/v1/themes/download' ) ) {
272 $file = $r['filename'];
273 if ( ! $file ) {
274 return new WP_Error( 'problem_creating_theme_file', esc_html__( 'Problem creating file for theme download', 'jetpack' ) );
275 }
276 $theme = pathinfo( wp_parse_url( $url, PHP_URL_PATH ), PATHINFO_FILENAME );
277
278 // Remove filter to avoid endless loop since wpcom_json_api_request_as_blog uses this too.
279 remove_filter( 'pre_http_request', 'jetpack_theme_update' );
280 $result = Client::wpcom_json_api_request_as_blog(
281 "themes/download/$theme.zip",
282 '1.1',
283 array(
284 'stream' => true,
285 'filename' => $file,
286 )
287 );
288
289 if ( 200 !== wp_remote_retrieve_response_code( $result ) ) {
290 return new WP_Error( 'problem_fetching_theme', esc_html__( 'Problem downloading theme', 'jetpack' ) );
291 }
292 return $result;
293 }
294 return $preempt;
295 }
296
297 /**
298 * Add the filter when a upgrade is going to be downloaded.
299 *
300 * @since 5.3
301 *
302 * @param bool $reply Whether to bail without returning the package. Default false.
303 *
304 * @return bool
305 */
306 function jetpack_upgrader_pre_download( $reply ) {
307 add_filter( 'pre_http_request', 'jetpack_theme_update', 10, 3 );
308 return $reply;
309 }
310
311 add_filter( 'upgrader_pre_download', 'jetpack_upgrader_pre_download' );
312
313
314 /**
315 * Wraps data in a way so that we can distinguish between objects and array and also prevent object recursion.
316 *
317 * @since 6.1.0
318 *
319 * @param array|obj $any Source data to be cleaned up.
320 * @param array $seen_nodes Built array of nodes.
321 *
322 * @return array
323 */
324 function jetpack_json_wrap( &$any, $seen_nodes = array() ) {
325 if ( is_object( $any ) ) {
326 $input = get_object_vars( $any );
327 $input['__o'] = 1;
328 } else {
329 $input = &$any;
330 }
331
332 if ( is_array( $input ) ) {
333 $seen_nodes[] = &$any;
334
335 $return = array();
336
337 foreach ( $input as $k => &$v ) {
338 if ( ( is_array( $v ) || is_object( $v ) ) ) {
339 if ( in_array( $v, $seen_nodes, true ) ) {
340 continue;
341 }
342 $return[ $k ] = jetpack_json_wrap( $v, $seen_nodes );
343 } else {
344 $return[ $k ] = $v;
345 }
346 }
347
348 return $return;
349 }
350
351 return $any;
352 }
353
354 /**
355 * Checks if the mime_content_type function is available and return it if so.
356 *
357 * The function mime_content_type is enabled by default in PHP, but can be disabled. We attempt to
358 * enforce this via composer.json, but that won't be checked in majority of cases where
359 * this would be happening.
360 *
361 * @since 7.8.0
362 *
363 * @param string $file File location.
364 *
365 * @return string|false MIME type or false if functionality is not available.
366 */
367 function jetpack_mime_content_type( $file ) {
368 if ( function_exists( 'mime_content_type' ) ) {
369 return mime_content_type( $file );
370 }
371
372 return false;
373 }
374
375 /**
376 * Checks that the mime type of the specified file is among those in a filterable list of mime types.
377 *
378 * @since 7.8.0
379 *
380 * @param string $file Path to file to get its mime type.
381 *
382 * @return bool
383 */
384 function jetpack_is_file_supported_for_sideloading( $file ) {
385 $type = jetpack_mime_content_type( $file );
386
387 if ( ! $type ) {
388 return false;
389 }
390
391 /**
392 * Filter the list of supported mime types for media sideloading.
393 *
394 * @since 4.0.0
395 *
396 * @module json-api
397 *
398 * @param array $supported_mime_types Array of the supported mime types for media sideloading.
399 */
400 $supported_mime_types = apply_filters(
401 'jetpack_supported_media_sideload_types',
402 array(
403 'image/png',
404 'image/jpeg',
405 'image/gif',
406 'image/bmp',
407 'video/quicktime',
408 'video/mp4',
409 'video/mpeg',
410 'video/ogg',
411 'video/3gpp',
412 'video/3gpp2',
413 'video/h261',
414 'video/h262',
415 'video/h264',
416 'video/x-msvideo',
417 'video/x-ms-wmv',
418 'video/x-ms-asf',
419 )
420 );
421
422 // If the type returned was not an array as expected, then we know we don't have a match.
423 if ( ! is_array( $supported_mime_types ) ) {
424 return false;
425 }
426
427 return in_array( $type, $supported_mime_types, true );
428 }
429
430 /**
431 * Determine if the current User Agent matches the passed $kind
432 *
433 * @param string $kind Category of mobile device to check for.
434 * Either: any, dumb, smart.
435 * @param bool $return_matched_agent Boolean indicating if the UA should be returned.
436 *
437 * @return bool|string Boolean indicating if current UA matches $kind. If
438 * $return_matched_agent is true, returns the UA string
439 */
440 function jetpack_is_mobile( $kind = 'any', $return_matched_agent = false ) {
441
442 /**
443 * Filter the value of jetpack_is_mobile before it is calculated.
444 *
445 * Passing a truthy value to the filter will short-circuit determining the
446 * mobile type, returning the passed value instead.
447 *
448 * @since 4.2.0
449 *
450 * @param bool|string $matches Boolean if current UA matches $kind or not. If
451 * $return_matched_agent is true, should return the UA string
452 * @param string $kind Category of mobile device being checked
453 * @param bool $return_matched_agent Boolean indicating if the UA should be returned
454 */
455 $pre = apply_filters( 'pre_jetpack_is_mobile', null, $kind, $return_matched_agent );
456 if ( $pre ) {
457 return $pre;
458 }
459
460 $return = false;
461 $device_info = Device_Detection::get_info();
462
463 if ( 'any' === $kind ) {
464 $return = $device_info['is_phone'];
465 } elseif ( 'smart' === $kind ) {
466 $return = $device_info['is_smartphone'];
467 } elseif ( 'dumb' === $kind ) {
468 $return = $device_info['is_phone'] && ! $device_info['is_smartphone'];
469 }
470
471 if ( $return_matched_agent && true === $return ) {
472 $return = $device_info['is_phone_matched_ua'];
473 }
474
475 /**
476 * Filter the value of jetpack_is_mobile
477 *
478 * @since 4.2.0
479 *
480 * @param bool|string $matches Boolean if current UA matches $kind or not. If
481 * $return_matched_agent is true, should return the UA string
482 * @param string $kind Category of mobile device being checked
483 * @param bool $return_matched_agent Boolean indicating if the UA should be returned
484 */
485 return apply_filters( 'jetpack_is_mobile', $return, $kind, $return_matched_agent );
486 }
487
488 /**
489 * Determine whether the current request is for accessing the frontend.
490 *
491 * @return bool True if it's a frontend request, false otherwise.
492 */
493 function jetpack_is_frontend() {
494 $is_frontend = true;
495
496 if (
497 is_admin() ||
498 wp_doing_ajax() ||
499 wp_doing_cron() ||
500 wp_is_json_request() ||
501 wp_is_jsonp_request() ||
502 wp_is_xml_request() ||
503 is_feed() ||
504 ( defined( 'REST_REQUEST' ) && REST_REQUEST ) ||
505 ( defined( 'REST_API_REQUEST' ) && REST_API_REQUEST ) ||
506 ( defined( 'WP_CLI' ) && WP_CLI )
507 ) {
508 $is_frontend = false;
509 }
510
511 /**
512 * Filter whether the current request is for accessing the frontend.
513 *
514 * @since 9.0.0
515 *
516 * @param bool $is_frontend Whether the current request is for accessing the frontend.
517 */
518 return (bool) apply_filters( 'jetpack_is_frontend', $is_frontend );
519 }
520