Current File : /home/emergentqj/jugement/wp-content/plugins/jetpack/sal/class.json-api-links.php
<?php
require_once dirname( __FILE__ ) . '/../class.json-api.php';
class WPCOM_JSON_API_Links {
private $api;
private static $instance;
private $closest_endpoint_cache_by_version = array();
private $matches_by_version = array();
private $cache_result = null;
public static function getInstance() {
if ( null === self::$instance ) {
self::$instance = new self();
}
return self::$instance;
}
// protect these methods for singleton
protected function __construct() {
$this->api = WPCOM_JSON_API::init();
}
private function __clone() { }
private function __wakeup() { }
/**
* Generate a URL to an endpoint
*
* Used to construct meta links in API responses
*
* @param mixed $args Optional arguments to be appended to URL
* @return string Endpoint URL
**/
function get_link() {
$args = func_get_args();
$format = array_shift( $args );
$base = WPCOM_JSON_API__BASE;
$path = array_pop( $args );
if ( $path ) {
$path = '/' . ltrim( $path, '/' );
// tack the path onto the end of the format string
// have to escape %'s in the path as %% because
// we're about to pass it through sprintf and we don't
// want it to see the % as a placeholder
$format .= str_replace( '%', '%%', $path );
}
// Escape any % in args before using sprintf
$escaped_args = array();
foreach ( $args as $arg_key => $arg_value ) {
$escaped_args[ $arg_key ] = str_replace( '%', '%%', $arg_value );
}
$relative_path = vsprintf( $format, $escaped_args );
if ( ! wp_startswith( $relative_path, '.' ) ) {
// Generic version. Match the requested version as best we can
$api_version = $this->get_closest_version_of_endpoint( $format, $relative_path );
$base = substr( $base, 0, - 1 ) . $api_version;
}
// escape any % in the relative path before running it through sprintf again
$relative_path = str_replace( '%', '%%', $relative_path );
// http, WPCOM_JSON_API__BASE, ... , path
// %s , %s , $format, %s
return esc_url_raw( sprintf( "https://%s$relative_path", $base ) );
}
function get_me_link( $path = '' ) {
return $this->get_link( '/me', $path );
}
function get_taxonomy_link( $blog_id, $taxonomy_id, $taxonomy_type, $path = '' ) {
switch ( $taxonomy_type ) {
case 'category':
return $this->get_link( '/sites/%d/categories/slug:%s', $blog_id, $taxonomy_id, $path );
case 'post_tag':
return $this->get_link( '/sites/%d/tags/slug:%s', $blog_id, $taxonomy_id, $path );
default:
return $this->get_link( '/sites/%d/taxonomies/%s/terms/slug:%s', $blog_id, $taxonomy_type, $taxonomy_id, $path );
}
}
function get_media_link( $blog_id, $media_id, $path = '' ) {
return $this->get_link( '/sites/%d/media/%d', $blog_id, $media_id, $path );
}
function get_site_link( $blog_id, $path = '' ) {
return $this->get_link( '/sites/%d', $blog_id, $path );
}
function get_post_link( $blog_id, $post_id, $path = '' ) {
return $this->get_link( '/sites/%d/posts/%d', $blog_id, $post_id, $path );
}
function get_comment_link( $blog_id, $comment_id, $path = '' ) {
return $this->get_link( '/sites/%d/comments/%d', $blog_id, $comment_id, $path );
}
function get_publicize_connection_link( $blog_id, $publicize_connection_id, $path = '' ) {
return $this->get_link( '.1/sites/%d/publicize-connections/%d', $blog_id, $publicize_connection_id, $path );
}
function get_publicize_connections_link( $keyring_token_id, $path = '' ) {
return $this->get_link( '.1/me/publicize-connections/?keyring_connection_ID=%d', $keyring_token_id, $path );
}
function get_keyring_connection_link( $keyring_token_id, $path = '' ) {
return $this->get_link( '.1/me/keyring-connections/%d', $keyring_token_id, $path );
}
function get_external_service_link( $external_service, $path = '' ) {
return $this->get_link( '.1/meta/external-services/%s', $external_service, $path );
}
/**
* Try to find the closest supported version of an endpoint to the current endpoint
*
* For example, if we were looking at the path /animals/panda:
* - if the current endpoint is v1.3 and there is a v1.3 of /animals/%s available, we return 1.3
* - if the current endpoint is v1.3 and there is no v1.3 of /animals/%s known, we fall back to the
* maximum available version of /animals/%s, e.g. 1.1
*
* This method is used in get_link() to construct meta links for API responses.
*
* @param $template_path string The generic endpoint path, e.g. /sites/%s
* @param $path string The current endpoint path, relative to the version, e.g. /sites/12345
* @param $request_method string Request method used to access the endpoint path
* @return string The current version, or otherwise the maximum version available
*/
function get_closest_version_of_endpoint( $template_path, $path, $request_method = 'GET' ) {
$closest_endpoint_cache_by_version = & $this->closest_endpoint_cache_by_version;
$closest_endpoint_cache = & $closest_endpoint_cache_by_version[ $this->api->version ];
if ( !$closest_endpoint_cache ) {
$closest_endpoint_cache_by_version[ $this->api->version ] = array();
$closest_endpoint_cache = & $closest_endpoint_cache_by_version[ $this->api->version ];
}
if ( ! isset( $closest_endpoint_cache[ $template_path ] ) ) {
$closest_endpoint_cache[ $template_path ] = array();
} elseif ( isset( $closest_endpoint_cache[ $template_path ][ $request_method ] ) ) {
return $closest_endpoint_cache[ $template_path ][ $request_method ];
}
$path = untrailingslashit( $path );
// /help is a special case - always use the current request version
if ( wp_endswith( $path, '/help' ) ) {
$closest_endpoint_cache[ $template_path ][ $request_method ] = $this->api->version;
return $this->api->version;
}
$matches_by_version = & $this->matches_by_version;
// try to match out of saved matches
if ( ! isset( $matches_by_version[ $this->api->version ] ) ) {
$matches_by_version[ $this->api->version ] = array();
}
foreach ( $matches_by_version[ $this->api->version ] as $match ) {
$regex = $match->regex;
if ( preg_match( "#^$regex\$#", $path ) ) {
$closest_endpoint_cache[ $template_path ][ $request_method ] = $match->version;
return $match->version;
}
}
$endpoint_path_versions = $this->get_endpoint_path_versions();
$last_path_segment = $this->get_last_segment_of_relative_path( $path );
$max_version_found = null;
foreach ( $endpoint_path_versions as $endpoint_last_path_segment => $endpoints ) {
// Does the last part of the path match the path key? (e.g. 'posts')
// If the last part contains a placeholder (e.g. %s), we want to carry on
if ( $last_path_segment != $endpoint_last_path_segment && ! strstr( $endpoint_last_path_segment, '%' ) ) {
continue;
}
foreach ( $endpoints as $endpoint ) {
// Does the request method match?
if ( ! in_array( $request_method, $endpoint['request_methods'] ) ) {
continue;
}
$endpoint_path = untrailingslashit( $endpoint['path'] );
$endpoint_path_regex = str_replace( array( '%s', '%d' ), array( '([^/?&]+)', '(\d+)' ), $endpoint_path );
if ( ! preg_match( "#^$endpoint_path_regex\$#", $path ) ) {
continue;
}
// Make sure the endpoint exists at the same version
if ( version_compare( $this->api->version, $endpoint['min_version'], '>=') &&
version_compare( $this->api->version, $endpoint['max_version'], '<=') ) {
array_push(
$matches_by_version[ $this->api->version ],
(object) array( 'version' => $this->api->version, 'regex' => $endpoint_path_regex )
);
$closest_endpoint_cache[ $template_path ][ $request_method ] = $this->api->version;
return $this->api->version;
}
// If the endpoint doesn't exist at the same version, record the max version we found
if ( empty( $max_version_found ) || version_compare( $max_version_found['version'], $endpoint['max_version'], '<' ) ) {
$max_version_found = array( 'version' => $endpoint['max_version'], 'regex' => $endpoint_path_regex );
}
}
}
// If the endpoint version is less than the requested endpoint version, return the max version found
if ( ! empty( $max_version_found ) ) {
array_push(
$matches_by_version[ $this->api->version ],
(object) $max_version_found
);
$closest_endpoint_cache[ $template_path ][ $request_method ] = $max_version_found['version'];
return $max_version_found['version'];
}
// Otherwise, use the API version of the current request
return $this->api->version;
}
/**
* Get an array of endpoint paths with their associated versions
*
* @return array Array of endpoint paths, min_versions and max_versions, keyed by last segment of path
**/
protected function get_endpoint_path_versions() {
if ( ! empty ( $this->cache_result ) ) {
return $this->cache_result;
}
/*
* Create a map of endpoints and their min/max versions keyed by the last segment of the path (e.g. 'posts')
* This reduces the search space when finding endpoint matches in get_closest_version_of_endpoint()
*/
$endpoint_path_versions = array();
foreach ( $this->api->endpoints as $key => $endpoint_objects ) {
// The key contains a serialized path, min_version and max_version
list( $path, $min_version, $max_version ) = unserialize( $key );
// Grab the last component of the relative path to use as the top-level key
$last_path_segment = $this->get_last_segment_of_relative_path( $path );
$endpoint_path_versions[ $last_path_segment ][] = array(
'path' => $path,
'min_version' => $min_version,
'max_version' => $max_version,
'request_methods' => array_keys( $endpoint_objects )
);
}
$this->cache_result = $endpoint_path_versions;
return $endpoint_path_versions;
}
/**
* Grab the last segment of a relative path
*
* @param string $path Path
* @return string Last path segment
*/
protected function get_last_segment_of_relative_path( $path) {
$path_parts = array_filter( explode( '/', $path ) );
if ( empty( $path_parts ) ) {
return null;
}
return end( $path_parts );
}
}
Mini Shell