modified file plugins
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<?php
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namespace Activitypub\Collection;
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use WP_Error;
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use WP_User_Query;
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use Activitypub\Model\User;
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use Activitypub\Model\Blog_User;
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use Activitypub\Model\Application_User;
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use function Activitypub\url_to_authorid;
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use function Activitypub\is_user_disabled;
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class Users {
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/**
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* The ID of the Blog User
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*
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* @var int
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*/
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const BLOG_USER_ID = 0;
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/**
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* The ID of the Application User
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*
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* @var int
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*/
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const APPLICATION_USER_ID = -1;
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/**
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* Get the User by ID
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*
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* @param int $user_id The User-ID.
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*
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* @return \Acitvitypub\Model\User The User.
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*/
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public static function get_by_id( $user_id ) {
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if ( is_string( $user_id ) || is_numeric( $user_id ) ) {
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$user_id = (int) $user_id;
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}
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if ( is_user_disabled( $user_id ) ) {
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return new WP_Error(
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'activitypub_user_not_found',
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\__( 'User not found', 'activitypub' ),
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array( 'status' => 404 )
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);
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}
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if ( self::BLOG_USER_ID === $user_id ) {
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return Blog_User::from_wp_user( $user_id );
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} elseif ( self::APPLICATION_USER_ID === $user_id ) {
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return Application_User::from_wp_user( $user_id );
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} elseif ( $user_id > 0 ) {
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return User::from_wp_user( $user_id );
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}
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return new WP_Error(
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'activitypub_user_not_found',
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\__( 'User not found', 'activitypub' ),
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array( 'status' => 404 )
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);
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}
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/**
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* Get the User by username.
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*
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* @param string $username The User-Name.
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*
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* @return \Acitvitypub\Model\User The User.
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*/
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public static function get_by_username( $username ) {
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// check for blog user.
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if ( Blog_User::get_default_username() === $username ) {
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return self::get_by_id( self::BLOG_USER_ID );
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}
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if ( get_option( 'activitypub_blog_user_identifier' ) === $username ) {
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return self::get_by_id( self::BLOG_USER_ID );
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}
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// check for application user.
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if ( 'application' === $username ) {
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return self::get_by_id( self::APPLICATION_USER_ID );
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}
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// check for 'activitypub_username' meta
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$user = new WP_User_Query(
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array(
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'number' => 1,
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'hide_empty' => true,
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'fields' => 'ID',
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// phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query
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'meta_query' => array(
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'relation' => 'OR',
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array(
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'key' => 'activitypub_user_identifier',
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'value' => $username,
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'compare' => 'LIKE',
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),
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),
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)
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);
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if ( $user->results ) {
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return self::get_by_id( $user->results[0] );
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}
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$username = str_replace( array( '*', '%' ), '', $username );
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// check for login or nicename.
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$user = new WP_User_Query(
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array(
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'search' => $username,
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'search_columns' => array( 'user_login', 'user_nicename' ),
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'number' => 1,
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'hide_empty' => true,
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'fields' => 'ID',
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)
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);
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if ( $user->results ) {
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return self::get_by_id( $user->results[0] );
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}
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return new WP_Error(
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'activitypub_user_not_found',
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\__( 'User not found', 'activitypub' ),
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array( 'status' => 404 )
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);
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}
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/**
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* Get the User by resource.
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*
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* @param string $resource The User-Resource.
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*
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* @return \Acitvitypub\Model\User The User.
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*/
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public static function get_by_resource( $resource ) {
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$scheme = 'acct';
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$match = array();
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// try to extract the scheme and the host
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if ( preg_match( '/^([a-zA-Z^:]+):(.*)$/i', $resource, $match ) ) {
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// extract the scheme
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$scheme = esc_attr( $match[1] );
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}
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switch ( $scheme ) {
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// check for http(s) URIs
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case 'http':
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case 'https':
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$url_parts = wp_parse_url( $resource );
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// check for http(s)://blog.example.com/@username
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if (
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isset( $url_parts['path'] ) &&
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str_starts_with( $url_parts['path'], '/@' )
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) {
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$identifier = str_replace( '/@', '', $url_parts['path'] );
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$identifier = untrailingslashit( $identifier );
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return self::get_by_username( $identifier );
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}
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// check for http(s)://blog.example.com/author/username
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$user_id = url_to_authorid( $resource );
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if ( $user_id ) {
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return self::get_by_id( $user_id );
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}
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// check for http(s)://blog.example.com/
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if (
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self::normalize_url( site_url() ) === self::normalize_url( $resource ) ||
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self::normalize_url( home_url() ) === self::normalize_url( $resource )
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) {
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return self::get_by_id( self::BLOG_USER_ID );
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}
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return new WP_Error(
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'activitypub_no_user_found',
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\__( 'User not found', 'activitypub' ),
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array( 'status' => 404 )
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);
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// check for acct URIs
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case 'acct':
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$resource = \str_replace( 'acct:', '', $resource );
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$identifier = \substr( $resource, 0, \strrpos( $resource, '@' ) );
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$host = self::normalize_host( \substr( \strrchr( $resource, '@' ), 1 ) );
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$blog_host = self::normalize_host( \wp_parse_url( \home_url( '/' ), \PHP_URL_HOST ) );
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if ( $blog_host !== $host ) {
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return new WP_Error(
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'activitypub_wrong_host',
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\__( 'Resource host does not match blog host', 'activitypub' ),
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array( 'status' => 404 )
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);
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}
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// prepare wildcards https://github.com/mastodon/mastodon/issues/22213
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if ( in_array( $identifier, array( '_', '*', '' ), true ) ) {
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return self::get_by_id( self::BLOG_USER_ID );
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}
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return self::get_by_username( $identifier );
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default:
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return new WP_Error(
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'activitypub_wrong_scheme',
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\__( 'Wrong scheme', 'activitypub' ),
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array( 'status' => 404 )
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);
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}
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}
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/**
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* Get the User by resource.
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*
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* @param string $resource The User-Resource.
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*
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* @return \Acitvitypub\Model\User The User.
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*/
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public static function get_by_various( $id ) {
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if ( is_numeric( $id ) ) {
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return self::get_by_id( $id );
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} elseif (
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// is URL
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filter_var( $id, FILTER_VALIDATE_URL ) ||
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// is acct
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str_starts_with( $id, 'acct:' )
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) {
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return self::get_by_resource( $id );
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} else {
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return self::get_by_username( $id );
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}
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}
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/**
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* Normalize a host.
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*
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* @param string $host The host.
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*
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* @return string The normalized host.
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*/
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public static function normalize_host( $host ) {
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return \str_replace( 'www.', '', $host );
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}
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/**
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* Normalize a URL.
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*
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* @param string $url The URL.
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*
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* @return string The normalized URL.
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*/
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public static function normalize_url( $url ) {
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$url = \untrailingslashit( $url );
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$url = \str_replace( 'https://', '', $url );
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$url = \str_replace( 'http://', '', $url );
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$url = \str_replace( 'www.', '', $url );
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return $url;
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}
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/**
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* Get the User collection.
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*
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* @return array The User collection.
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*/
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public static function get_collection() {
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$users = \get_users(
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array(
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'capability__in' => array( 'activitypub' ),
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)
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);
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$return = array();
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foreach ( $users as $user ) {
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$return[] = User::from_wp_user( $user->ID );
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}
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return $return;
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}
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}
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