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<?php // phpcs:ignore WordPress.Files.FileName.NotHyphenatedLowercase
/**
* This file is meant to be the home for any generic & reusable functions
* that can be accessed anywhere within Jetpack.
*
* This file is loaded whether Jetpack is active.
*
* Please namespace with jetpack_
*
* @package automattic/jetpack
*/
use Automattic\Jetpack\Connection\Client;
use Automattic\Jetpack\Redirect;
use Automattic\Jetpack\Status\Host;
use Automattic\Jetpack\Sync\Functions;
// Disable direct access.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
require_once __DIR__ . '/functions.is-mobile.php';
/**
* Hook into Core's _deprecated_function
* Add more details about when a deprecated function will be removed.
*
* @since 8.8.0
*
* @param string $function The function that was called.
* @param string $replacement Optional. The function that should have been called. Default null.
* @param string $version The version of Jetpack that deprecated the function.
*/
function jetpack_deprecated_function( $function, $replacement, $version ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
// Bail early for non-Jetpack deprecations.
if ( ! str_starts_with( $version, 'jetpack-' ) ) {
return;
}
// Look for when a function will be removed based on when it was deprecated.
$removed_version = jetpack_get_future_removed_version( $version );
// If we could find a version, let's log a message about when removal will happen.
if (
! empty( $removed_version )
&& ( defined( 'WP_DEBUG' ) && WP_DEBUG )
/** This filter is documented in core/src/wp-includes/functions.php */
&& apply_filters( 'deprecated_function_trigger_error', true )
) {
error_log( // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log
sprintf(
/* Translators: 1. Function name. 2. Jetpack version number. */
__( 'The %1$s function will be removed from the Jetpack plugin in version %2$s.', 'jetpack' ),
$function,
$removed_version
)
);
}
}
add_action( 'deprecated_function_run', 'jetpack_deprecated_function', 10, 3 );
/**
* Hook into Core's _deprecated_file
* Add more details about when a deprecated file will be removed.
*
* @since 8.8.0
*
* @param string $file The file that was called.
* @param string $replacement The file that should have been included based on ABSPATH.
* @param string $version The version of WordPress that deprecated the file.
* @param string $message A message regarding the change.
*/
function jetpack_deprecated_file( $file, $replacement, $version, $message ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
// Bail early for non-Jetpack deprecations.
if ( ! str_starts_with( $version, 'jetpack-' ) ) {
return;
}
// Look for when a file will be removed based on when it was deprecated.
$removed_version = jetpack_get_future_removed_version( $version );
// If we could find a version, let's log a message about when removal will happen.
if (
! empty( $removed_version )
&& ( defined( 'WP_DEBUG' ) && WP_DEBUG )
/** This filter is documented in core/src/wp-includes/functions.php */
&& apply_filters( 'deprecated_file_trigger_error', true )
) {
error_log( // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log
sprintf(
/* Translators: 1. File name. 2. Jetpack version number. */
__( 'The %1$s file will be removed from the Jetpack plugin in version %2$s.', 'jetpack' ),
$file,
$removed_version
)
);
}
}
add_action( 'deprecated_file_included', 'jetpack_deprecated_file', 10, 4 );
/**
* Get the major version number of Jetpack 6 months after provided version.
* Useful to indicate when a deprecated function will be removed from Jetpack.
*
* @since 8.8.0
*
* @param string $version The version of WordPress that deprecated the function.
*
* @return bool|float Return a Jetpack Major version number, or false.
*/
function jetpack_get_future_removed_version( $version ) {
/*
* Extract the version number from a deprecation notice.
* (let's only keep the first decimal, e.g. 8.8 and not 8.8.0)
*/
preg_match( '#(([0-9]+\.([0-9]+))(?:\.[0-9]+)*)#', $version, $matches );
if ( isset( $matches[2] ) && isset( $matches[3] ) ) {
$deprecated_version = (float) $matches[2];
$deprecated_minor = (float) $matches[3];
/*
* If the detected minor version number
* (e.g. "7" in "8.7")
* is higher than 9, we know the version number is malformed.
* Jetpack does not use semver yet.
* Bail.
*/
if ( 10 <= $deprecated_minor ) {
return false;
}
// We'll remove the function from the code 6 months later, thus 6 major versions later.
$removed_version = $deprecated_version + 0.6;
return (float) $removed_version;
}
return false;
}
/**
* Determine if this site is an WoA site or not by looking for presence of the wpcomsh plugin.
*
* @since 4.8.1
* @deprecated 10.3.0
*
* @return bool
*/
function jetpack_is_atomic_site() {
jetpack_deprecated_function( __FUNCTION__, 'Automattic/Jetpack/Status/Host::is_woa_site', 'jetpack-10.3.0' );
return ( new Host() )->is_woa_site();
}
/**
* Register post type for migration.
*
* @since 5.2
*/
function jetpack_register_migration_post_type() {
register_post_type(
'jetpack_migration',
array(
'supports' => array(),
'taxonomies' => array(),
'hierarchical' => false,
'public' => false,
'has_archive' => false,
'can_export' => true,
)
);
}
/**
* Checks whether the Post DB threat currently exists on the site.
*
* @since 12.0
*
* @param string $option_name Option name.
*
* @return WP_Post|bool
*/
function jetpack_migration_post_exists( $option_name ) {
$query = new WP_Query(
array(
'post_type' => 'jetpack_migration',
'title' => $option_name,
'post_status' => 'all',
'posts_per_page' => 1,
'no_found_rows' => true,
'ignore_sticky_posts' => true,
'update_post_term_cache' => false,
'update_post_meta_cache' => false,
'orderby' => 'post_date ID',
'order' => 'ASC',
)
);
if ( ! empty( $query->post ) ) {
return $query->post;
}
return false;
}
/**
* Stores migration data in the database.
*
* @since 5.2
*
* @param string $option_name Option name.
* @param bool $option_value Option value.
*
* @return int|WP_Error
*/
function jetpack_store_migration_data( $option_name, $option_value ) {
jetpack_register_migration_post_type();
$insert = array(
'post_title' => $option_name,
'post_content_filtered' => $option_value,
'post_type' => 'jetpack_migration',
'post_date' => gmdate( 'Y-m-d H:i:s', time() ),
);
$migration_post = jetpack_migration_post_exists( $option_name );
if ( $migration_post ) {
$insert['ID'] = $migration_post->ID;
}
return wp_insert_post( $insert, true );
}
/**
* Retrieves legacy image widget data.
*
* @since 5.2
*
* @param string $option_name Option name.
*
* @return mixed|null
*/
function jetpack_get_migration_data( $option_name ) {
$post = jetpack_migration_post_exists( $option_name );
return null !== $post ? maybe_unserialize( $post->post_content_filtered ) : null;
}
/**
* Prints a TOS blurb used throughout the connection prompts.
*
* Note: custom ToS messages are also defined in Jetpack_Pre_Connection_JITMs->get_raw_messages()
*
* @since 5.3
*
* @echo string
*/
function jetpack_render_tos_blurb() {
printf(
wp_kses(
/* Translators: placeholders are links. */
__( 'By clicking the <strong>Set up Jetpack</strong> button, you agree to our <a href="%1$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' ),
array(
'a' => array(
'href' => array(),
'target' => array(),
'rel' => array(),
),
'strong' => true,
)
),
esc_url( Redirect::get_url( 'wpcom-tos' ) ),
esc_url( Redirect::get_url( 'jetpack-support-what-data-does-jetpack-sync' ) )
);
}
/**
* Intervene upgrade process so Jetpack themes are downloaded with credentials.
*
* @since 5.3
*
* @param bool $preempt Whether to preempt an HTTP request's return value. Default false.
* @param array $r HTTP request arguments.
* @param string $url The request URL.
*
* @return array|bool|WP_Error
*/
function jetpack_theme_update( $preempt, $r, $url ) {
if ( 0 === stripos( $url, JETPACK__WPCOM_JSON_API_BASE . '/rest/v1/themes/download' ) ) {
$file = $r['filename'];
if ( ! $file ) {
return new WP_Error( 'problem_creating_theme_file', esc_html__( 'Problem creating file for theme download', 'jetpack' ) );
}
$theme = pathinfo( wp_parse_url( $url, PHP_URL_PATH ), PATHINFO_FILENAME );
// Remove filter to avoid endless loop since wpcom_json_api_request_as_blog uses this too.
remove_filter( 'pre_http_request', 'jetpack_theme_update' );
$result = Client::wpcom_json_api_request_as_blog(
"themes/download/$theme.zip",
'1.1',
array(
'stream' => true,
'filename' => $file,
)
);
if ( 200 !== wp_remote_retrieve_response_code( $result ) ) {
return new WP_Error( 'problem_fetching_theme', esc_html__( 'Problem downloading theme', 'jetpack' ) );
}
return $result;
}
return $preempt;
}
/**
* Add the filter when a upgrade is going to be downloaded.
*
* @since 5.3
*
* @param bool $reply Whether to bail without returning the package. Default false.
*
* @return bool
*/
function jetpack_upgrader_pre_download( $reply ) {
add_filter( 'pre_http_request', 'jetpack_theme_update', 10, 3 );
return $reply;
}
add_filter( 'upgrader_pre_download', 'jetpack_upgrader_pre_download' );
/**
* Wraps data in a way so that we can distinguish between objects and array and also prevent object recursion.
*
* @since 6.1.0
* @deprecated Automattic\Jetpack\Sync\Functions::json_wrap
*
* @param array|obj $any Source data to be cleaned up.
* @param array $seen_nodes Built array of nodes.
*
* @return array
*/
function jetpack_json_wrap( &$any, $seen_nodes = array() ) {
_deprecated_function( __METHOD__, 'jetpack-9.5', 'Automattic\Jetpack\Sync\Functions' );
return Functions::json_wrap( $any, $seen_nodes );
}
/**
* Checks if the mime_content_type function is available and return it if so.
*
* The function mime_content_type is enabled by default in PHP, but can be disabled. We attempt to
* enforce this via composer.json, but that won't be checked in majority of cases where
* this would be happening.
*
* @since 7.8.0
*
* @param string $file File location.
*
* @return string|false MIME type or false if functionality is not available.
*/
function jetpack_mime_content_type( $file ) {
if ( function_exists( 'mime_content_type' ) ) {
return mime_content_type( $file );
}
return false;
}
/**
* Checks that the mime type of the specified file is among those in a filterable list of mime types.
*
* @since 7.8.0
*
* @param string $file Path to file to get its mime type.
*
* @return bool
*/
function jetpack_is_file_supported_for_sideloading( $file ) {
$type = jetpack_mime_content_type( $file );
if ( ! $type ) {
return false;
}
/**
* Filter the list of supported mime types for media sideloading.
*
* @since 4.0.0
*
* @module json-api
*
* @param array $supported_mime_types Array of the supported mime types for media sideloading.
*/
$supported_mime_types = apply_filters(
'jetpack_supported_media_sideload_types',
array(
'image/png',
'image/jpeg',
'image/gif',
'image/bmp',
'image/webp',
'video/quicktime',
'video/mp4',
'video/mpeg',
'video/ogg',
'video/3gpp',
'video/3gpp2',
'video/h261',
'video/h262',
'video/h264',
'video/x-msvideo',
'video/x-ms-wmv',
'video/x-ms-asf',
)
);
// If the type returned was not an array as expected, then we know we don't have a match.
if ( ! is_array( $supported_mime_types ) ) {
return false;
}
return in_array( $type, $supported_mime_types, true );
}
/**
* Go through headers and get a list of Vary headers to add,
* including a Vary Accept header if necessary.
*
* @since 12.2
*
* @param array $headers The headers to be sent.
*
* @return array $vary_header_parts Vary Headers to be sent.
*/
function jetpack_get_vary_headers( $headers = array() ) {
$vary_header_parts = array( 'accept', 'content-type' );
foreach ( $headers as $header ) {
// Check for a Vary header.
if ( ! str_starts_with( strtolower( $header ), 'vary:' ) ) {
continue;
}
// If the header is a wildcard, we'll return that.
if ( str_contains( $header, '*' ) ) {
$vary_header_parts = array( '*' );
break;
}
// Remove the Vary: part of the header.
$header = preg_replace( '/^vary\:\s?/i', '', $header );
// Remove spaces from the header.
$header = str_replace( ' ', '', $header );
// Break the header into parts.
$header_parts = explode( ',', strtolower( $header ) );
// Build an array with the Accept header and what was already there.
$vary_header_parts = array_values( array_unique( array_merge( $vary_header_parts, $header_parts ) ) );
}
return $vary_header_parts;
}
/**
* Determine whether the current request is for accessing the frontend.
* Also update Vary headers to indicate that the response may vary by Accept header.
*
* @return bool True if it's a frontend request, false otherwise.
*/
function jetpack_is_frontend() {
$is_frontend = true;
$is_varying_request = true;
if (
is_admin()
|| wp_doing_ajax()
|| wp_is_jsonp_request()
|| is_feed()
|| ( defined( 'REST_REQUEST' ) && REST_REQUEST )
|| ( defined( 'REST_API_REQUEST' ) && REST_API_REQUEST )
|| ( defined( 'WP_CLI' ) && WP_CLI )
) {
$is_frontend = false;
$is_varying_request = false;
} elseif (
wp_is_json_request()
|| wp_is_xml_request()
) {
$is_frontend = false;
}
/*
* Check existing headers for the request.
* If there is no existing Vary Accept header, add one.
*/
if ( $is_varying_request && ! headers_sent() ) {
$headers = headers_list();
$vary_header_parts = jetpack_get_vary_headers( $headers );
header( 'Vary: ' . implode( ', ', $vary_header_parts ) );
}
/**
* Filter whether the current request is for accessing the frontend.
*
* @since 9.0.0
*
* @param bool $is_frontend Whether the current request is for accessing the frontend.
*/
return (bool) apply_filters( 'jetpack_is_frontend', $is_frontend );
}
/**
* Build a list of Mastodon instance hosts.
* That list can be extended via a filter.
*
* @since 11.8
*
* @return array
*/
function jetpack_mastodon_get_instance_list() {
$mastodon_instance_list = array(
// Regex pattern to match any .tld for the mastodon host name.
'#https?:\/\/(www\.)?mastodon\.(\w+)(\.\w+)?#',
// Regex pattern to match any .tld for the mstdn host name.
'#https?:\/\/(www\.)?mstdn\.(\w+)(\.\w+)?#',
'counter.social',
'fosstodon.org',
'gc2.jp',
'hachyderm.io',
'infosec.exchange',
'mas.to',
'pawoo.net',
);
/**
* Filter the list of Mastodon instances.
*
* @since 11.8
*
* @module widgets, theme-tools
*
* @param array $mastodon_instance_list Array of Mastodon instances.
*/
return (array) apply_filters( 'jetpack_mastodon_instance_list', $mastodon_instance_list );
}