| @@ -1,474 +1,219 @@ | ||
| 1 | 1 | <?php |
| 2 | -namespace Activitypub; | |
| 3 | - | |
| 4 | -use WP_Error; | |
| 5 | -use Activitypub\Http; | |
| 6 | -use Activitypub\Activity\Activity; | |
| 7 | -use Activitypub\Collection\Followers; | |
| 8 | - | |
| 9 | 2 | /** |
| 10 | 3 | * Returns the ActivityPub default JSON-context |
| 11 | 4 | * |
| 12 | 5 | * @return array the activitypub context |
| 13 | 6 | */ |
| 14 | -function get_context() { | |
| 15 | - $context = Activity::CONTEXT; | |
| 7 | +function get_activitypub_context() { | |
| 8 | + $context = array( | |
| 9 | + 'https://www.w3.org/ns/activitystreams', | |
| 10 | + 'https://w3id.org/security/v1', | |
| 11 | + array( | |
| 12 | + 'manuallyApprovesFollowers' => 'as:manuallyApprovesFollowers', | |
| 13 | + 'sensitive' => 'as:sensitive', | |
| 14 | + 'movedTo' => array( | |
| 15 | + '@id' => 'as:movedTo', | |
| 16 | + '@type' => '@id', | |
| 17 | + ), | |
| 18 | + 'Hashtag' => 'as:Hashtag', | |
| 19 | + 'ostatus' => 'http://ostatus.org#', | |
| 20 | + 'atomUri' => 'ostatus:atomUri', | |
| 21 | + 'inReplyToAtomUri' => 'ostatus:inReplyToAtomUri', | |
| 22 | + 'conversation' => 'ostatus:conversation', | |
| 23 | + 'toot' => 'http://joinmastodon.org/ns#', | |
| 24 | + 'Emoji' => 'toot:Emoji', | |
| 25 | + 'focalPoint' => array( | |
| 26 | + '@container' => '@list', | |
| 27 | + '@id' => 'toot:focalPoint', | |
| 28 | + ), | |
| 29 | + 'featured' => array( | |
| 30 | + '@id' => 'toot:featured', | |
| 31 | + '@type' => '@id', | |
| 32 | + ), | |
| 33 | + 'schema' => 'http://schema.org#', | |
| 34 | + 'PropertyValue' => 'schema:PropertyValue', | |
| 35 | + 'value' => 'schema:value', | |
| 36 | + ), | |
| 37 | + ); | |
| 16 | 38 | |
| 17 | - return \apply_filters( 'activitypub_json_context', $context ); | |
| 39 | + return apply_filters( 'activitypub_json_context', $context ); | |
| 18 | 40 | } |
| 19 | 41 | |
| 20 | -function safe_remote_post( $url, $body, $user_id ) { | |
| 21 | - return Http::post( $url, $body, $user_id ); | |
| 22 | -} | |
| 42 | +function activitypub_safe_remote_post( $url, $body, $user_id ) { | |
| 43 | + $date = gmdate( 'D, d M Y H:i:s T' ); | |
| 44 | + $signature = Activitypub_Signature::generate_signature( $user_id, $url, $date ); | |
| 23 | 45 | |
| 24 | -function safe_remote_get( $url ) { | |
| 25 | - return Http::get( $url ); | |
| 46 | + $wp_version = get_bloginfo( 'version' ); | |
| 47 | + $user_agent = apply_filters( 'http_headers_useragent', 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' ) ); | |
| 48 | + $args = array( | |
| 49 | + 'timeout' => 100, | |
| 50 | + 'limit_response_size' => 1048576, | |
| 51 | + 'redirection' => 3, | |
| 52 | + 'user-agent' => "$user_agent; ActivityPub", | |
| 53 | + 'headers' => array( | |
| 54 | + 'Accept' => 'application/activity+json', | |
| 55 | + 'Content-Type' => 'application/activity+json', | |
| 56 | + 'Signature' => $signature, | |
| 57 | + 'Date' => $date, | |
| 58 | + ), | |
| 59 | + 'body' => $body, | |
| 60 | + ); | |
| 61 | + | |
| 62 | + return wp_safe_remote_post( $url, $args ); | |
| 26 | 63 | } |
| 27 | 64 | |
| 28 | 65 | /** |
| 29 | 66 | * Returns a users WebFinger "resource" |
| 30 | 67 | * |
| 31 | - * @param int $user_id The User-ID. | |
| 68 | + * @param int $user_id | |
| 32 | 69 | * |
| 33 | - * @return string The User-Resource. | |
| 70 | + * @return string The user-resource | |
| 34 | 71 | */ |
| 35 | -function get_webfinger_resource( $user_id ) { | |
| 36 | - return Webfinger::get_user_resource( $user_id ); | |
| 72 | +function activitypub_get_webfinger_resource( $user_id ) { | |
| 73 | + // use WebFinger plugin if installed | |
| 74 | + if ( function_exists( 'get_webfinger_resource' ) ) { | |
| 75 | + return get_webfinger_resource( $user_id, false ); | |
| 76 | + } | |
| 77 | + | |
| 78 | + $user = get_user_by( 'id', $user_id ); | |
| 79 | + | |
| 80 | + return $user->user_login . '@' . wp_parse_url( home_url(), PHP_URL_HOST ); | |
| 37 | 81 | } |
| 38 | 82 | |
| 39 | 83 | /** |
| 40 | - * Requests the Meta-Data from the Actors profile | |
| 84 | + * [get_metadata_by_actor description] | |
| 41 | 85 | * |
| 42 | - * @param string $actor The Actor URL. | |
| 43 | - * @param bool $cached If the result should be cached. | |
| 44 | - * | |
| 45 | - * @return array The Actor profile as array | |
| 86 | + * @param [type] $actor [description] | |
| 87 | + * @return [type] [description] | |
| 46 | 88 | */ |
| 47 | -function get_remote_metadata_by_actor( $actor, $cached = true ) { | |
| 48 | - $pre = apply_filters( 'pre_get_remote_metadata_by_actor', false, $actor ); | |
| 49 | - if ( $pre ) { | |
| 50 | - return $pre; | |
| 51 | - } | |
| 52 | - if ( preg_match( '/^@?' . ACTIVITYPUB_USERNAME_REGEXP . '$/i', $actor ) ) { | |
| 53 | - $actor = Webfinger::resolve( $actor ); | |
| 54 | - } | |
| 89 | +function activitypub_get_remote_metadata_by_actor( $actor ) { | |
| 90 | + $metadata = get_transient( 'activitypub_' . $actor ); | |
| 55 | 91 | |
| 56 | - if ( ! $actor ) { | |
| 57 | - return new WP_Error( 'activitypub_no_valid_actor_identifier', \__( 'The "actor" identifier is not valid', 'activitypub' ), array( 'status' => 404, 'actor' => $actor ) ); | |
| 92 | + if ( $metadata ) { | |
| 93 | + return $metadata; | |
| 58 | 94 | } |
| 59 | 95 | |
| 60 | - if ( is_wp_error( $actor ) ) { | |
| 61 | - return $actor; | |
| 96 | + if ( ! wp_http_validate_url( $actor ) ) { | |
| 97 | + return new WP_Error( 'activitypub_no_valid_actor_url', __( 'The "actor" is no valid URL', 'activitypub' ), $actor ); | |
| 62 | 98 | } |
| 63 | 99 | |
| 64 | - $transient_key = 'activitypub_' . $actor; | |
| 100 | + $wp_version = get_bloginfo( 'version' ); | |
| 65 | 101 | |
| 66 | - // only check the cache if needed. | |
| 67 | - if ( $cached ) { | |
| 68 | - $metadata = \get_transient( $transient_key ); | |
| 102 | + $user_agent = apply_filters( 'http_headers_useragent', 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' ) ); | |
| 103 | + $args = array( | |
| 104 | + 'timeout' => 100, | |
| 105 | + 'limit_response_size' => 1048576, | |
| 106 | + 'redirection' => 3, | |
| 107 | + 'user-agent' => "$user_agent; ActivityPub", | |
| 108 | + 'headers' => array( 'accept' => 'application/activity+json' ), | |
| 109 | + ); | |
| 69 | 110 | |
| 70 | - if ( $metadata ) { | |
| 71 | - return $metadata; | |
| 72 | - } | |
| 73 | - } | |
| 111 | + $response = wp_safe_remote_get( $actor, $args ); | |
| 74 | 112 | |
| 75 | - if ( ! \wp_http_validate_url( $actor ) ) { | |
| 76 | - $metadata = new WP_Error( 'activitypub_no_valid_actor_url', \__( 'The "actor" is no valid URL', 'activitypub' ), array( 'status' => 400, 'actor' => $actor ) ); | |
| 77 | - \set_transient( $transient_key, $metadata, HOUR_IN_SECONDS ); // Cache the error for a shorter period. | |
| 78 | - return $metadata; | |
| 79 | - } | |
| 80 | - | |
| 81 | - $short_timeout = function() { | |
| 82 | - return 3; | |
| 83 | - }; | |
| 84 | - add_filter( 'activitypub_remote_get_timeout', $short_timeout ); | |
| 85 | - $response = Http::get( $actor ); | |
| 86 | - remove_filter( 'activitypub_remote_get_timeout', $short_timeout ); | |
| 87 | - if ( \is_wp_error( $response ) ) { | |
| 88 | - \set_transient( $transient_key, $response, HOUR_IN_SECONDS ); // Cache the error for a shorter period. | |
| 113 | + if ( is_wp_error( $response ) ) { | |
| 89 | 114 | return $response; |
| 90 | 115 | } |
| 91 | 116 | |
| 92 | - $metadata = \wp_remote_retrieve_body( $response ); | |
| 93 | - $metadata = \json_decode( $metadata, true ); | |
| 117 | + $metadata = wp_remote_retrieve_body( $response ); | |
| 118 | + $metadata = json_decode( $metadata, true ); | |
| 94 | 119 | |
| 95 | - \set_transient( $transient_key, $metadata, WEEK_IN_SECONDS ); | |
| 96 | - | |
| 97 | 120 | if ( ! $metadata ) { |
| 98 | - $metadata = new WP_Error( 'activitypub_invalid_json', \__( 'No valid JSON data', 'activitypub' ), array( 'status' => 400, 'actor' => $actor ) ); | |
| 99 | - \set_transient( $transient_key, $metadata, HOUR_IN_SECONDS ); // Cache the error for a shorter period. | |
| 100 | - return $metadata; | |
| 121 | + return new WP_Error( 'activitypub_invalid_json', __( 'No valid JSON data', 'activitypub' ), $actor ); | |
| 101 | 122 | } |
| 102 | 123 | |
| 124 | + set_transient( 'activitypub_' . $actor, $metadata, WEEK_IN_SECONDS ); | |
| 125 | + | |
| 103 | 126 | return $metadata; |
| 104 | 127 | } |
| 105 | 128 | |
| 106 | 129 | /** |
| 107 | - * Returns the followers of a given user. | |
| 108 | - * | |
| 109 | - * @param int $user_id The User-ID. | |
| 110 | - * | |
| 111 | - * @return array The followers. | |
| 130 | + * [get_inbox_by_actor description] | |
| 131 | + * @param [type] $actor [description] | |
| 132 | + * @return [type] [description] | |
| 112 | 133 | */ |
| 113 | -function get_followers( $user_id ) { | |
| 114 | - return Followers::get_followers( $user_id ); | |
| 115 | -} | |
| 134 | +function activitypub_get_inbox_by_actor( $actor ) { | |
| 135 | + $metadata = activitypub_get_remote_metadata_by_actor( $actor ); | |
| 116 | 136 | |
| 117 | -/** | |
| 118 | - * Count the number of followers for a given user. | |
| 119 | - * | |
| 120 | - * @param int $user_id The User-ID. | |
| 121 | - * | |
| 122 | - * @return int The number of followers. | |
| 123 | - */ | |
| 124 | -function count_followers( $user_id ) { | |
| 125 | - return Followers::count_followers( $user_id ); | |
| 126 | -} | |
| 127 | - | |
| 128 | -/** | |
| 129 | - * Examine a url and try to determine the author ID it represents. | |
| 130 | - * | |
| 131 | - * Checks are supposedly from the hosted site blog. | |
| 132 | - * | |
| 133 | - * @param string $url Permalink to check. | |
| 134 | - * | |
| 135 | - * @return int User ID, or 0 on failure. | |
| 136 | - */ | |
| 137 | -function url_to_authorid( $url ) { | |
| 138 | - global $wp_rewrite; | |
| 139 | - | |
| 140 | - // check if url hase the same host | |
| 141 | - if ( \wp_parse_url( \site_url(), \PHP_URL_HOST ) !== \wp_parse_url( $url, \PHP_URL_HOST ) ) { | |
| 142 | - return 0; | |
| 137 | + if ( is_wp_error( $metadata ) ) { | |
| 138 | + return $metadata; | |
| 143 | 139 | } |
| 144 | 140 | |
| 145 | - // first, check to see if there is a 'author=N' to match against | |
| 146 | - if ( \preg_match( '/[?&]author=(\d+)/i', $url, $values ) ) { | |
| 147 | - $id = \absint( $values[1] ); | |
| 148 | - if ( $id ) { | |
| 149 | - return $id; | |
| 150 | - } | |
| 141 | + if ( isset( $metadata['endpoints'] ) && isset( $metadata['endpoints']['sharedInbox'] ) ) { | |
| 142 | + return $metadata['endpoints']['sharedInbox']; | |
| 151 | 143 | } |
| 152 | 144 | |
| 153 | - // check to see if we are using rewrite rules | |
| 154 | - $rewrite = $wp_rewrite->wp_rewrite_rules(); | |
| 155 | - | |
| 156 | - // not using rewrite rules, and 'author=N' method failed, so we're out of options | |
| 157 | - if ( empty( $rewrite ) ) { | |
| 158 | - return 0; | |
| 145 | + if ( array_key_exists( 'inbox', $metadata ) ) { | |
| 146 | + return $metadata['inbox']; | |
| 159 | 147 | } |
| 160 | 148 | |
| 161 | - // generate rewrite rule for the author url | |
| 162 | - $author_rewrite = $wp_rewrite->get_author_permastruct(); | |
| 163 | - $author_regexp = \str_replace( '%author%', '', $author_rewrite ); | |
| 164 | - | |
| 165 | - // match the rewrite rule with the passed url | |
| 166 | - if ( \preg_match( '/https?:\/\/(.+)' . \preg_quote( $author_regexp, '/' ) . '([^\/]+)/i', $url, $match ) ) { | |
| 167 | - $user = \get_user_by( 'slug', $match[2] ); | |
| 168 | - if ( $user ) { | |
| 169 | - return $user->ID; | |
| 170 | - } | |
| 171 | - } | |
| 172 | - | |
| 173 | - return 0; | |
| 149 | + return new WP_Error( 'activitypub_no_inbox', __( 'No "Inbox" found', 'activitypub' ), $metadata ); | |
| 174 | 150 | } |
| 175 | 151 | |
| 176 | 152 | /** |
| 177 | - * Check for Tombstone Objects | |
| 178 | - * | |
| 179 | - * @see https://www.w3.org/TR/activitypub/#delete-activity-outbox | |
| 180 | - * | |
| 181 | - * @param WP_Error $wp_error A WP_Error-Response of an HTTP-Request | |
| 182 | - * | |
| 183 | - * @return boolean true if HTTP-Code is 410 or 404 | |
| 153 | + * [get_inbox_by_actor description] | |
| 154 | + * @param [type] $actor [description] | |
| 155 | + * @return [type] [description] | |
| 184 | 156 | */ |
| 185 | -function is_tombstone( $wp_error ) { | |
| 186 | - if ( ! is_wp_error( $wp_error ) ) { | |
| 187 | - return false; | |
| 157 | +function activitypub_get_publickey_by_actor( $actor, $key_id ) { | |
| 158 | + $metadata = activitypub_get_remote_metadata_by_actor( $actor ); | |
| 159 | + | |
| 160 | + if ( is_wp_error( $metadata ) ) { | |
| 161 | + return $metadata; | |
| 188 | 162 | } |
| 189 | 163 | |
| 190 | - if ( in_array( (int) $wp_error->get_error_code(), array( 404, 410 ), true ) ) { | |
| 191 | - return true; | |
| 164 | + if ( | |
| 165 | + isset( $metadata['publicKey'] ) && | |
| 166 | + isset( $metadata['publicKey']['id'] ) && | |
| 167 | + isset( $metadata['publicKey']['owner'] ) && | |
| 168 | + isset( $metadata['publicKey']['publicKeyPem'] ) && | |
| 169 | + $key_id === $metadata['publicKey']['id'] && | |
| 170 | + $actor === $metadata['publicKey']['owner'] | |
| 171 | + ) { | |
| 172 | + return $metadata['publicKey']['publicKeyPem']; | |
| 192 | 173 | } |
| 193 | 174 | |
| 194 | - return false; | |
| 175 | + return new WP_Error( 'activitypub_no_public_key', __( 'No "Public-Key" found', 'activitypub' ), $metadata ); | |
| 195 | 176 | } |
| 196 | 177 | |
| 197 | -/** | |
| 198 | - * Get the REST URL relative to this plugin's namespace. | |
| 199 | - * | |
| 200 | - * @param string $path Optional. REST route path. Otherwise this plugin's namespaced root. | |
| 201 | - * | |
| 202 | - * @return string REST URL relative to this plugin's namespace. | |
| 203 | - */ | |
| 204 | -function get_rest_url_by_path( $path = '' ) { | |
| 205 | - // we'll handle the leading slash. | |
| 206 | - $path = ltrim( $path, '/' ); | |
| 207 | - $namespaced_path = sprintf( '/%s/%s', ACTIVITYPUB_REST_NAMESPACE, $path ); | |
| 208 | - return \get_rest_url( null, $namespaced_path ); | |
| 209 | -} | |
| 210 | - | |
| 211 | -/** | |
| 212 | - * Convert a string from camelCase to snake_case. | |
| 213 | - * | |
| 214 | - * @param string $string The string to convert. | |
| 215 | - * | |
| 216 | - * @return string The converted string. | |
| 217 | - */ | |
| 218 | -// phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.stringFound | |
| 219 | -function camel_to_snake_case( $string ) { | |
| 220 | - return strtolower( preg_replace( '/(?<!^)[A-Z]/', '_$0', $string ) ); | |
| 221 | -} | |
| 222 | - | |
| 223 | -/** | |
| 224 | - * Convert a string from snake_case to camelCase. | |
| 225 | - * | |
| 226 | - * @param string $string The string to convert. | |
| 227 | - * | |
| 228 | - * @return string The converted string. | |
| 229 | - */ | |
| 230 | -// phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.stringFound | |
| 231 | -function snake_to_camel_case( $string ) { | |
| 232 | - return lcfirst( str_replace( '_', '', ucwords( $string, '_' ) ) ); | |
| 233 | -} | |
| 234 | - | |
| 235 | -/** | |
| 236 | - * Escapes a Tag, to be used as a hashtag. | |
| 237 | - * | |
| 238 | - * @param string $string The string to escape. | |
| 239 | - * | |
| 240 | - * @return string The escaped hastag. | |
| 241 | - */ | |
| 242 | -function esc_hashtag( $string ) { | |
| 243 | - | |
| 244 | - $hashtag = \wp_specialchars_decode( $string, ENT_QUOTES ); | |
| 245 | - // Remove all characters that are not letters, numbers, or underscores. | |
| 246 | - $hashtag = \preg_replace( '/emoji-regex(*SKIP)(?!)|[^\p{L}\p{Nd}_]+/u', '_', $hashtag ); | |
| 247 | - | |
| 248 | - // Capitalize every letter that is preceded by an underscore. | |
| 249 | - $hashtag = preg_replace_callback( | |
| 250 | - '/_(.)/', | |
| 251 | - function ( $matches ) { | |
| 252 | - return '' . strtoupper( $matches[1] ); | |
| 253 | - }, | |
| 254 | - $hashtag | |
| 255 | - ); | |
| 256 | - | |
| 257 | - // Add a hashtag to the beginning of the string. | |
| 258 | - $hashtag = ltrim( $hashtag, '#' ); | |
| 259 | - $hashtag = '#' . $hashtag; | |
| 260 | - | |
| 261 | - /** | |
| 262 | - * Allow defining your own custom hashtag generation rules. | |
| 263 | - * | |
| 264 | - * @param string $hashtag The hashtag to be returned. | |
| 265 | - * @param string $string The original string. | |
| 266 | - */ | |
| 267 | - $hashtag = apply_filters( 'activitypub_esc_hashtag', $hashtag, $string ); | |
| 268 | - | |
| 269 | - return esc_html( $hashtag ); | |
| 270 | -} | |
| 271 | - | |
| 272 | -/** | |
| 273 | - * Check if a request is for an ActivityPub request. | |
| 274 | - * | |
| 275 | - * @return bool False by default. | |
| 276 | - */ | |
| 277 | -function is_activitypub_request() { | |
| 278 | - global $wp_query; | |
| 279 | - | |
| 280 | - /* | |
| 281 | - * ActivityPub requests are currently only made for | |
| 282 | - * author archives, singular posts, and the homepage. | |
| 283 | - */ | |
| 284 | - if ( ! \is_author() && ! \is_singular() && ! \is_home() && ! defined( '\REST_REQUEST' ) ) { | |
| 285 | - return false; | |
| 178 | +function activitypub_get_follower_inboxes( $user_id, $followers ) { | |
| 179 | + $inboxes = array(); | |
| 180 | + foreach ( $followers as $follower ) { | |
| 181 | + $inboxes[] = activitypub_get_inbox_by_actor( $follower ); | |
| 286 | 182 | } |
| 287 | 183 | |
| 288 | - // One can trigger an ActivityPub request by adding ?activitypub to the URL. | |
| 289 | - // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.VariableRedeclaration | |
| 290 | - global $wp_query; | |
| 291 | - if ( isset( $wp_query->query_vars['activitypub'] ) ) { | |
| 292 | - return true; | |
| 293 | - } | |
| 294 | - | |
| 295 | - /* | |
| 296 | - * The other (more common) option to make an ActivityPub request | |
| 297 | - * is to send an Accept header. | |
| 298 | - */ | |
| 299 | - if ( isset( $_SERVER['HTTP_ACCEPT'] ) ) { | |
| 300 | - $accept = sanitize_text_field( wp_unslash( $_SERVER['HTTP_ACCEPT'] ) ); | |
| 301 | - | |
| 302 | - /* | |
| 303 | - * $accept can be a single value, or a comma separated list of values. | |
| 304 | - * We want to support both scenarios, | |
| 305 | - * and return true when the header includes at least one of the following: | |
| 306 | - * - application/activity+json | |
| 307 | - * - application/ld+json | |
| 308 | - * - application/json | |
| 309 | - */ | |
| 310 | - if ( preg_match( '/(application\/(ld\+json|activity\+json|json))/i', $accept ) ) { | |
| 311 | - return true; | |
| 312 | - } | |
| 313 | - } | |
| 314 | - | |
| 315 | - return false; | |
| 184 | + return array_unique( $inboxes ); | |
| 316 | 185 | } |
| 317 | 186 | |
| 318 | -/** | |
| 319 | - * This function checks if a user is disabled for ActivityPub. | |
| 320 | - * | |
| 321 | - * @param int $user_id The User-ID. | |
| 322 | - * | |
| 323 | - * @return boolean True if the user is disabled, false otherwise. | |
| 324 | - */ | |
| 325 | -function is_user_disabled( $user_id ) { | |
| 326 | - $return = false; | |
| 327 | - | |
| 328 | - switch ( $user_id ) { | |
| 329 | - // if the user is the application user, it's always enabled. | |
| 330 | - case \Activitypub\Collection\Users::APPLICATION_USER_ID: | |
| 331 | - $return = false; | |
| 332 | - break; | |
| 333 | - // if the user is the blog user, it's only enabled in single-user mode. | |
| 334 | - case \Activitypub\Collection\Users::BLOG_USER_ID: | |
| 335 | - if ( is_user_type_disabled( 'blog' ) ) { | |
| 336 | - $return = true; | |
| 337 | - break; | |
| 338 | - } | |
| 339 | - | |
| 340 | - $return = false; | |
| 341 | - break; | |
| 342 | - // if the user is any other user, it's enabled if it can publish posts. | |
| 343 | - default: | |
| 344 | - if ( ! \get_user_by( 'id', $user_id ) ) { | |
| 345 | - $return = true; | |
| 346 | - break; | |
| 347 | - } | |
| 348 | - | |
| 349 | - if ( is_user_type_disabled( 'user' ) ) { | |
| 350 | - $return = true; | |
| 351 | - break; | |
| 352 | - } | |
| 353 | - | |
| 354 | - if ( ! \user_can( $user_id, 'publish_posts' ) ) { | |
| 355 | - $return = true; | |
| 356 | - break; | |
| 357 | - } | |
| 358 | - | |
| 359 | - $return = false; | |
| 360 | - break; | |
| 361 | - } | |
| 362 | - | |
| 363 | - return apply_filters( 'activitypub_is_user_disabled', $return, $user_id ); | |
| 187 | +function activitypub_get_identifier_settings( $user_id ) { | |
| 188 | + ?> | |
| 189 | +<table class="form-table"> | |
| 190 | + <tbody> | |
| 191 | + <tr> | |
| 192 | + <th scope="row"> | |
| 193 | + <label><?php esc_html_e( 'Profile identifier', 'activitypub' ); ?></label> | |
| 194 | + </th> | |
| 195 | + <td> | |
| 196 | + <p><code><?php echo activitypub_get_webfinger_resource( $user_id ); ?></code> or <code><?php echo get_author_posts_url( $user_id ); ?></code></p> | |
| 197 | + <p class="description"><?php printf( __( 'Try to follow "@%s" in the mastodon/friendi.ca search field.', 'activitypub' ), activitypub_get_webfinger_resource( $user_id ) ); ?></p> | |
| 198 | + </td> | |
| 199 | + </tr> | |
| 200 | + </tbody> | |
| 201 | +</table> | |
| 202 | + <?php | |
| 364 | 203 | } |
| 365 | 204 | |
| 366 | -/** | |
| 367 | - * Checks if a User-Type is disabled for ActivityPub. | |
| 368 | - * | |
| 369 | - * This function is used to check if the 'blog' or 'user' | |
| 370 | - * type is disabled for ActivityPub. | |
| 371 | - * | |
| 372 | - * @param enum $type Can be 'blog' or 'user'. | |
| 373 | - * | |
| 374 | - * @return boolean True if the user type is disabled, false otherwise. | |
| 375 | - */ | |
| 376 | -function is_user_type_disabled( $type ) { | |
| 377 | - switch ( $type ) { | |
| 378 | - case 'blog': | |
| 379 | - if ( \defined( 'ACTIVITYPUB_SINGLE_USER_MODE' ) ) { | |
| 380 | - if ( ACTIVITYPUB_SINGLE_USER_MODE ) { | |
| 381 | - $return = false; | |
| 382 | - break; | |
| 383 | - } | |
| 384 | - } | |
| 205 | +function activitypub_get_followers( $user_id ) { | |
| 206 | + $followers = Db_Activitypub_Followers::get_followers( $user_id ); | |
| 385 | 207 | |
| 386 | - if ( \defined( 'ACTIVITYPUB_DISABLE_BLOG_USER' ) ) { | |
| 387 | - $return = ACTIVITYPUB_DISABLE_BLOG_USER; | |
| 388 | - break; | |
| 389 | - } | |
| 390 | - | |
| 391 | - if ( '1' !== \get_option( 'activitypub_enable_blog_user', '0' ) ) { | |
| 392 | - $return = true; | |
| 393 | - break; | |
| 394 | - } | |
| 395 | - | |
| 396 | - $return = false; | |
| 397 | - break; | |
| 398 | - case 'user': | |
| 399 | - if ( \defined( 'ACTIVITYPUB_SINGLE_USER_MODE' ) ) { | |
| 400 | - if ( ACTIVITYPUB_SINGLE_USER_MODE ) { | |
| 401 | - $return = true; | |
| 402 | - break; | |
| 403 | - } | |
| 404 | - } | |
| 405 | - | |
| 406 | - if ( \defined( 'ACTIVITYPUB_DISABLE_USER' ) ) { | |
| 407 | - $return = ACTIVITYPUB_DISABLE_USER; | |
| 408 | - break; | |
| 409 | - } | |
| 410 | - | |
| 411 | - if ( '1' !== \get_option( 'activitypub_enable_users', '1' ) ) { | |
| 412 | - $return = true; | |
| 413 | - break; | |
| 414 | - } | |
| 415 | - | |
| 416 | - $return = false; | |
| 417 | - break; | |
| 418 | - default: | |
| 419 | - $return = new WP_Error( 'activitypub_wrong_user_type', __( 'Wrong user type', 'activitypub' ), array( 'status' => 400 ) ); | |
| 420 | - break; | |
| 208 | + if ( ! $followers ) { | |
| 209 | + return array(); | |
| 421 | 210 | } |
| 422 | 211 | |
| 423 | - return apply_filters( 'activitypub_is_user_type_disabled', $return, $type ); | |
| 212 | + return $followers; | |
| 424 | 213 | } |
| 425 | 214 | |
| 426 | -/** | |
| 427 | - * Check if the blog is in single-user mode. | |
| 428 | - * | |
| 429 | - * @return boolean True if the blog is in single-user mode, false otherwise. | |
| 430 | - */ | |
| 431 | -function is_single_user() { | |
| 432 | - if ( | |
| 433 | - false === is_user_type_disabled( 'blog' ) && | |
| 434 | - true === is_user_type_disabled( 'user' ) | |
| 435 | - ) { | |
| 436 | - return true; | |
| 437 | - } | |
| 215 | +function activitypub_count_followers( $user_id ) { | |
| 216 | + $followers = activitypub_get_followers( $user_id ); | |
| 438 | 217 | |
| 439 | - return false; | |
| 440 | -} | |
| 441 | - | |
| 442 | -/** | |
| 443 | - * Check if a site supports the block editor. | |
| 444 | - * | |
| 445 | - * @return boolean True if the site supports the block editor, false otherwise. | |
| 446 | - */ | |
| 447 | -function site_supports_blocks() { | |
| 448 | - if ( \version_compare( \get_bloginfo( 'version' ), '5.9', '<' ) ) { | |
| 449 | - return false; | |
| 450 | - } | |
| 451 | - | |
| 452 | - if ( ! \function_exists( 'register_block_type_from_metadata' ) ) { | |
| 453 | - return false; | |
| 454 | - } | |
| 455 | - | |
| 456 | - /** | |
| 457 | - * Allow plugins to disable block editor support, | |
| 458 | - * thus disabling blocks registered by the ActivityPub plugin. | |
| 459 | - * | |
| 460 | - * @param boolean $supports_blocks True if the site supports the block editor, false otherwise. | |
| 461 | - */ | |
| 462 | - return apply_filters( 'activitypub_site_supports_blocks', true ); | |
| 463 | -} | |
| 464 | - | |
| 465 | -/** | |
| 466 | - * Check if data is valid JSON. | |
| 467 | - * | |
| 468 | - * @param string $data The data to check. | |
| 469 | - * | |
| 470 | - * @return boolean True if the data is JSON, false otherwise. | |
| 471 | - */ | |
| 472 | -function is_json( $data ) { | |
| 473 | - return \is_array( \json_decode( $data, true ) ) ? true : false; | |
| 218 | + return count( $followers ); | |
| 474 | 219 | } |
