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<?php
require_once dirname( __FILE__ ) . '/class.json-api-date.php';
require_once dirname( __FILE__ ) . '/class.json-api-post-base.php';
/**
* Base class for the Site Abstraction Layer (SAL)
* Note that this is the site "as seen by user $user_id with token $token", which
* is why we pass the token to the platform; these site instances are value objects
* to be used in the context of a single request for a single user.
* Also note that at present this class _assumes_ you've "switched to"
* the site in question, and functions like `get_bloginfo( 'name' )` will
* therefore return the correct value
**/
abstract class SAL_Site {
public $blog_id;
public $platform;
public function __construct( $blog_id, $platform ) {
$this->blog_id = $blog_id;
$this->platform = $platform;
}
public function get_id() {
return $this->blog_id;
}
public function get_name() {
return (string) htmlspecialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES );
}
public function get_description() {
return (string) htmlspecialchars_decode( get_bloginfo( 'description' ), ENT_QUOTES );
}
public function get_url() {
return (string) home_url();
}
public function get_post_count() {
return (int) wp_count_posts( 'post' )->publish;
}
public function get_quota() {
return null;
}
abstract public function has_videopress();
abstract public function upgraded_filetypes_enabled();
abstract public function is_mapped_domain();
abstract public function is_redirect();
abstract public function is_headstart_fresh();
abstract public function featured_images_enabled();
abstract public function has_wordads();
abstract public function get_frame_nonce();
abstract public function allowed_file_types();
abstract public function get_post_formats();
abstract public function is_private();
abstract public function is_following();
abstract public function get_subscribers_count();
abstract public function get_locale();
abstract public function is_jetpack();
abstract public function get_jetpack_modules();
abstract public function is_vip();
abstract public function is_multisite();
abstract public function is_single_user_site();
abstract public function get_plan();
abstract public function get_ak_vp_bundle_enabled();
abstract public function get_podcasting_archive();
abstract public function get_jetpack_seo_front_page_description();
abstract public function get_jetpack_seo_title_formats();
abstract public function get_verification_services_codes();
abstract public function before_render();
abstract public function after_render( &$response );
// TODO - factor this out? Seems an odd thing to have on a site
abstract public function after_render_options( &$options );
// wrap a WP_Post object with SAL methods
abstract public function wrap_post( $post, $context );
abstract protected function is_a8c_publication( $post_id );
public function is_automated_transfer() {
return false;
}
public function get_post_by_id( $post_id, $context ) {
$post = get_post( $post_id, OBJECT, $context );
if ( ! $post ) {
return new WP_Error( 'unknown_post', 'Unknown post', 404 );
}
$wrapped_post = $this->wrap_post( $post, $context );
// validate access
return $this->validate_access( $wrapped_post );
}
/**
* Validate current user can access the post
*
* @return WP_Error or post
*/
private function validate_access( $post ) {
$context = $post->context;
if (
! $this->is_post_type_allowed( $post->post_type )
&& ! $this->is_a8c_publication( $post->ID )
) {
return new WP_Error( 'unknown_post', 'Unknown post', 404 );
}
switch ( $context ) {
case 'edit' :
if ( ! current_user_can( 'edit_post', $post ) ) {
return new WP_Error( 'unauthorized', 'User cannot edit post', 403 );
}
break;
case 'display' :
$can_view = $this->user_can_view_post( $post );
if ( is_wp_error( $can_view ) ) {
return $can_view;
}
break;
default :
return new WP_Error( 'invalid_context', 'Invalid API CONTEXT', 400 );
}
return $post;
}
public function current_user_can_access_post_type( $post_type, $context ) {
$post_type_object = $this->get_post_type_object( $post_type );
if ( ! $post_type_object ) {
return false;
}
switch( $context ) {
case 'edit':
return current_user_can( $post_type_object->cap->edit_posts );
case 'display':
return $post_type_object->public || current_user_can( $post_type_object->cap->read_private_posts );
default:
return false;
}
}
protected function get_post_type_object( $post_type ) {
return get_post_type_object( $post_type );
}
// copied from class.json-api-endpoints.php
public function is_post_type_allowed( $post_type ) {
// if the post type is empty, that's fine, WordPress will default to post
if ( empty( $post_type ) )
return true;
// allow special 'any' type
if ( 'any' == $post_type )
return true;
// check for allowed types
if ( in_array( $post_type, $this->get_whitelisted_post_types() ) )
return true;
return false;
}
// copied from class.json-api-endpoints.php
/**
* Gets the whitelisted post types that JP should allow access to.
*
* @return array Whitelisted post types.
*/
public function get_whitelisted_post_types() {
$allowed_types = array( 'post', 'page', 'revision' );
/**
* Filter the post types Jetpack has access to, and can synchronize with WordPress.com.
*
* @module json-api
*
* @since 2.2.3
*
* @param array $allowed_types Array of whitelisted post types. Default to `array( 'post', 'page', 'revision' )`.
*/
$allowed_types = apply_filters( 'rest_api_allowed_post_types', $allowed_types );
return array_unique( $allowed_types );
}
// copied and modified a little from class.json-api-endpoints.php
private function user_can_view_post( $post ) {
if ( !$post || is_wp_error( $post ) ) {
return false;
}
if ( 'inherit' === $post->post_status ) {
$parent_post = get_post( $post->post_parent );
$post_status_obj = get_post_status_object( $parent_post->post_status );
} else {
$post_status_obj = get_post_status_object( $post->post_status );
}
$authorized = (
$post_status_obj->public ||
( is_user_logged_in() &&
(
( $post_status_obj->protected && current_user_can( 'edit_post', $post->ID ) ) ||
( $post_status_obj->private && current_user_can( 'read_post', $post->ID ) ) ||
( 'trash' === $post->post_status && current_user_can( 'edit_post', $post->ID ) ) ||
'auto-draft' === $post->post_status
)
)
);
if ( ! $authorized ) {
return new WP_Error( 'unauthorized', 'User cannot view post', 403 );
}
if (
-1 == get_option( 'blog_public' ) &&
/**
* Filter access to a specific post.
*
* @module json-api
*
* @since 3.4.0
*
* @param bool current_user_can( 'read_post', $post->ID ) Can the current user access the post.
* @param WP_Post $post Post data.
*/
! apply_filters(
'wpcom_json_api_user_can_view_post',
current_user_can( 'read_post', $post->ID ),
$post
)
) {
return new WP_Error( 'unauthorized', 'User cannot view post', array( 'status_code' => 403, 'error' => 'private_blog' ) );
}
if ( strlen( $post->post_password ) && !current_user_can( 'edit_post', $post->ID ) ) {
return new WP_Error( 'unauthorized', 'User cannot view password protected post', array( 'status_code' => 403, 'error' => 'password_protected' ) );
}
return true;
}
/**
* Get post ID by name
*
* Attempts to match name on post title and page path
*
* @param string $name
*
* @return int|object Post ID on success, WP_Error object on failure
*/
public function get_post_id_by_name( $name ) {
$name = sanitize_title( $name );
if ( ! $name ) {
return new WP_Error( 'invalid_post', 'Invalid post', 400 );
}
$posts = get_posts( array(
'name' => $name,
'numberposts' => 1,
'post_type' => $this->get_whitelisted_post_types(),
) );
if ( ! $posts || ! isset( $posts[0]->ID ) || ! $posts[0]->ID ) {
$page = get_page_by_path( $name );
if ( ! $page ) {
return new WP_Error( 'unknown_post', 'Unknown post', 404 );
}
return $page->ID;
}
return (int) $posts[0]->ID;
}
/**
* Get post by name
*
* Attempts to match name on post title and page path
*
* @param string $name
* @param string $context (display or edit)
*
* @return object Post object on success, WP_Error object on failure
**/
public function get_post_by_name( $name, $context ) {
$post_id = $this->get_post_id_by_name( $name );
if ( is_wp_error( $post_id ) ) {
return $post_id;
}
return $this->get_post_by_id( $post_id, $context );
}
function user_can_manage() {
current_user_can( 'manage_options' );
}
function get_xmlrpc_url() {
$xmlrpc_scheme = apply_filters( 'wpcom_json_api_xmlrpc_scheme', parse_url( get_option( 'home' ), PHP_URL_SCHEME ) );
return site_url( 'xmlrpc.php', $xmlrpc_scheme );
}
function get_registered_date() {
if ( function_exists( 'get_blog_details' ) ) {
$blog_details = get_blog_details();
if ( ! empty( $blog_details->registered ) ) {
return WPCOM_JSON_API_Date::format_date( $blog_details->registered );
}
}
return '0000-00-00T00:00:00+00:00';
}
function get_capabilities() {
return array(
'edit_pages' => current_user_can( 'edit_pages' ),
'edit_posts' => current_user_can( 'edit_posts' ),
'edit_others_posts' => current_user_can( 'edit_others_posts' ),
'edit_others_pages' => current_user_can( 'edit_others_pages' ),
'delete_posts' => current_user_can( 'delete_posts' ),
'delete_others_posts' => current_user_can( 'delete_others_posts' ),
'edit_theme_options' => current_user_can( 'edit_theme_options' ),
'edit_users' => current_user_can( 'edit_users' ),
'list_users' => current_user_can( 'list_users' ),
'manage_categories' => current_user_can( 'manage_categories' ),
'manage_options' => current_user_can( 'manage_options' ),
'moderate_comments' => current_user_can( 'moderate_comments' ),
'activate_wordads' => wpcom_get_blog_owner() === (int) get_current_user_id(),
'promote_users' => current_user_can( 'promote_users' ),
'publish_posts' => current_user_can( 'publish_posts' ),
'upload_files' => current_user_can( 'upload_files' ),
'delete_users' => current_user_can( 'delete_users' ),
'remove_users' => current_user_can( 'remove_users' ),
'view_stats' => stats_is_blog_user( $this->blog_id )
);
}
function is_visible() {
if ( is_user_logged_in() ) {
$current_user = wp_get_current_user();
$visible = (array) get_user_meta( $current_user->ID, 'blog_visibility', true );
$is_visible = true;
if ( isset( $visible[ $this->blog_id ] ) ) {
$is_visible = (bool) $visible[ $this->blog_id ];
}
// null and true are visible
return $is_visible;
}
return null;
}
function get_logo() {
// Set an empty response array.
$logo_setting = array(
'id' => (int) 0,
'sizes' => array(),
'url' => '',
);
// Get current site logo values.
$logo = get_option( 'site_logo' );
// Update the response array if there's a site logo currenty active.
if ( $logo && 0 != $logo['id'] ) {
$logo_setting['id'] = $logo['id'];
$logo_setting['url'] = $logo['url'];
foreach ( $logo['sizes'] as $size => $properties ) {
$logo_setting['sizes'][ $size ] = $properties;
}
}
return $logo_setting;
}
function get_timezone() {
return (string) get_option( 'timezone_string' );
}
function get_gmt_offset() {
return (float) get_option( 'gmt_offset' );
}
function get_login_url() {
return wp_login_url();
}
function get_admin_url() {
return get_admin_url();
}
function get_unmapped_url() {
return get_site_url( get_current_blog_id() );
}
function get_theme_slug() {
return get_option( 'stylesheet' );
}
function get_header_image() {
return get_theme_mod( 'header_image_data' );
}
function get_background_color() {
return get_theme_mod( 'background_color' );
}
function get_image_default_link_type() {
return get_option( 'image_default_link_type' );
}
function get_image_thumbnail_width() {
return (int) get_option( 'thumbnail_size_w' );
}
function get_image_thumbnail_height() {
return (int) get_option( 'thumbnail_size_h' );
}
function get_image_thumbnail_crop() {
return get_option( 'thumbnail_crop' );
}
function get_image_medium_width() {
return (int) get_option( 'medium_size_w' );
}
function get_image_medium_height() {
return (int) get_option( 'medium_size_h' );
}
function get_image_large_width() {
return (int) get_option( 'large_size_w' );
}
function get_image_large_height() {
return (int) get_option( 'large_size_h' );
}
function get_permalink_structure() {
return get_option( 'permalink_structure' );
}
function get_default_post_format() {
return get_option( 'default_post_format' );
}
function get_default_category() {
return (int) get_option( 'default_category' );
}
function get_show_on_front() {
return get_option( 'show_on_front' );
}
function is_custom_front_page() {
return ( 'page' === $this->get_show_on_front() );
}
function get_default_likes_enabled() {
return (bool) apply_filters( 'wpl_is_enabled_sitewide', ! get_option( 'disabled_likes' ) );
}
function get_default_sharing_status() {
$default_sharing_status = false;
if ( class_exists( 'Sharing_Service' ) ) {
$ss = new Sharing_Service();
$blog_services = $ss->get_blog_services();
$default_sharing_status = ! empty( $blog_services['visible'] );
}
return (bool) $default_sharing_status;
}
function get_default_comment_status() {
return 'closed' !== get_option( 'default_comment_status' );
}
function default_ping_status() {
return 'closed' !== get_option( 'default_ping_status' );
}
function is_publicize_permanently_disabled() {
$publicize_permanently_disabled = false;
if ( function_exists( 'is_publicize_permanently_disabled' ) ) {
$publicize_permanently_disabled = is_publicize_permanently_disabled( $this->blog_id );
}
return $publicize_permanently_disabled;
}
function get_page_on_front() {
return (int) get_option( 'page_on_front' );
}
function get_page_for_posts() {
return (int) get_option( 'page_for_posts' );
}
function is_headstart() {
return get_option( 'headstart' );
}
function get_wordpress_version() {
global $wp_version;
return $wp_version;
}
function is_domain_only() {
$options = get_option( 'options' );
return ! empty ( $options['is_domain_only'] ) ? (bool) $options['is_domain_only'] : false;
}
function get_blog_public() {
return (int) get_option( 'blog_public' );
}
}
|