laipower/wp-content/upgrade-temp-backup/plugins/activitypub/includes/collection/class-users.php

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