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ActivityPub / 0.3.0
ActivityPub v0.3.0
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← All changes | includes/functions.php +143 -473 1.2.00.3.0 View file →
@@ -1,549 +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 -use Activitypub\Collection\Users;
9 -
10 2 /**
11 3 * Returns the ActivityPub default JSON-context
12 4 *
13 5 * @return array the activitypub context
14 6 */
15 -function get_context() {
16 - $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 + );
17 38
18 - return \apply_filters( 'activitypub_json_context', $context );
39 + return apply_filters( 'activitypub_json_context', $context );
19 40 }
20 41
21 -function safe_remote_post( $url, $body, $user_id ) {
22 - return Http::post( $url, $body, $user_id );
23 -}
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 );
24 45
25 -function safe_remote_get( $url ) {
26 - 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 );
27 63 }
28 64
29 65 /**
30 66 * Returns a users WebFinger "resource"
31 67 *
32 - * @param int $user_id The User-ID.
68 + * @param int $user_id
33 69 *
34 - * @return string The User-Resource.
70 + * @return string The user-resource
35 71 */
36 -function get_webfinger_resource( $user_id ) {
37 - 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 );
38 81 }
39 82
40 83 /**
41 - * Requests the Meta-Data from the Actors profile
84 + * [get_metadata_by_actor description]
42 85 *
43 - * @param string $actor The Actor URL.
44 - * @param bool $cached If the result should be cached.
45 - *
46 - * @return array|WP_Error The Actor profile as array or WP_Error on failure.
86 + * @param [type] $actor [description]
87 + * @return [type] [description]
47 88 */
48 -function get_remote_metadata_by_actor( $actor, $cached = true ) {
49 - $pre = apply_filters( 'pre_get_remote_metadata_by_actor', false, $actor );
50 - if ( $pre ) {
51 - return $pre;
52 - }
53 - if ( preg_match( '/^@?' . ACTIVITYPUB_USERNAME_REGEXP . '$/i', $actor ) ) {
54 - $actor = Webfinger::resolve( $actor );
55 - }
89 +function activitypub_get_remote_metadata_by_actor( $actor ) {
90 + $metadata = get_transient( 'activitypub_' . $actor );
56 91
57 - if ( ! $actor ) {
58 - 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;
59 94 }
60 95
61 - if ( is_wp_error( $actor ) ) {
62 - 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 );
63 98 }
64 99
65 - $transient_key = 'activitypub_' . $actor;
100 + $wp_version = get_bloginfo( 'version' );
66 101
67 - // only check the cache if needed.
68 - if ( $cached ) {
69 - $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 + );
70 110
71 - if ( $metadata ) {
72 - return $metadata;
73 - }
74 - }
111 + $response = wp_safe_remote_get( $actor, $args );
75 112
76 - if ( ! \wp_http_validate_url( $actor ) ) {
77 - $metadata = new WP_Error( 'activitypub_no_valid_actor_url', \__( 'The "actor" is no valid URL', 'activitypub' ), array( 'status' => 400, 'actor' => $actor ) );
78 - return $metadata;
79 - }
80 -
81 - $response = Http::get( $actor );
82 -
83 - if ( \is_wp_error( $response ) ) {
113 + if ( is_wp_error( $response ) ) {
84 114 return $response;
85 115 }
86 116
87 - $metadata = \wp_remote_retrieve_body( $response );
88 - $metadata = \json_decode( $metadata, true );
117 + $metadata = wp_remote_retrieve_body( $response );
118 + $metadata = json_decode( $metadata, true );
89 119
90 120 if ( ! $metadata ) {
91 - $metadata = new WP_Error( 'activitypub_invalid_json', \__( 'No valid JSON data', 'activitypub' ), array( 'status' => 400, 'actor' => $actor ) );
92 - return $metadata;
121 + return new WP_Error( 'activitypub_invalid_json', __( 'No valid JSON data', 'activitypub' ), $actor );
93 122 }
94 123
95 - \set_transient( $transient_key, $metadata, WEEK_IN_SECONDS );
124 + set_transient( 'activitypub_' . $actor, $metadata, WEEK_IN_SECONDS );
96 125
97 126 return $metadata;
98 127 }
99 128
100 129 /**
101 - * Returns the followers of a given user.
102 - *
103 - * @param int $user_id The User-ID.
104 - *
105 - * @return array The followers.
130 + * [get_inbox_by_actor description]
131 + * @param [type] $actor [description]
132 + * @return [type] [description]
106 133 */
107 -function get_followers( $user_id ) {
108 - return Followers::get_followers( $user_id );
109 -}
134 +function activitypub_get_inbox_by_actor( $actor ) {
135 + $metadata = activitypub_get_remote_metadata_by_actor( $actor );
110 136
111 -/**
112 - * Count the number of followers for a given user.
113 - *
114 - * @param int $user_id The User-ID.
115 - *
116 - * @return int The number of followers.
117 - */
118 -function count_followers( $user_id ) {
119 - return Followers::count_followers( $user_id );
120 -}
121 -
122 -/**
123 - * Examine a url and try to determine the author ID it represents.
124 - *
125 - * Checks are supposedly from the hosted site blog.
126 - *
127 - * @param string $url Permalink to check.
128 - *
129 - * @return int User ID, or 0 on failure.
130 - */
131 -function url_to_authorid( $url ) {
132 - global $wp_rewrite;
133 -
134 - // check if url hase the same host
135 - if ( \wp_parse_url( \site_url(), \PHP_URL_HOST ) !== \wp_parse_url( $url, \PHP_URL_HOST ) ) {
136 - return 0;
137 + if ( is_wp_error( $metadata ) ) {
138 + return $metadata;
137 139 }
138 140
139 - // first, check to see if there is a 'author=N' to match against
140 - if ( \preg_match( '/[?&]author=(\d+)/i', $url, $values ) ) {
141 - $id = \absint( $values[1] );
142 - if ( $id ) {
143 - return $id;
144 - }
141 + if ( isset( $metadata['endpoints'] ) && isset( $metadata['endpoints']['sharedInbox'] ) ) {
142 + return $metadata['endpoints']['sharedInbox'];
145 143 }
146 144
147 - // check to see if we are using rewrite rules
148 - $rewrite = $wp_rewrite->wp_rewrite_rules();
149 -
150 - // not using rewrite rules, and 'author=N' method failed, so we're out of options
151 - if ( empty( $rewrite ) ) {
152 - return 0;
145 + if ( array_key_exists( 'inbox', $metadata ) ) {
146 + return $metadata['inbox'];
153 147 }
154 148
155 - // generate rewrite rule for the author url
156 - $author_rewrite = $wp_rewrite->get_author_permastruct();
157 - $author_regexp = \str_replace( '%author%', '', $author_rewrite );
158 -
159 - // match the rewrite rule with the passed url
160 - if ( \preg_match( '/https?:\/\/(.+)' . \preg_quote( $author_regexp, '/' ) . '([^\/]+)/i', $url, $match ) ) {
161 - $user = \get_user_by( 'slug', $match[2] );
162 - if ( $user ) {
163 - return $user->ID;
164 - }
165 - }
166 -
167 - return 0;
149 + return new WP_Error( 'activitypub_no_inbox', __( 'No "Inbox" found', 'activitypub' ), $metadata );
168 150 }
169 151
170 152 /**
171 - * Check for Tombstone Objects
172 - *
173 - * @see https://www.w3.org/TR/activitypub/#delete-activity-outbox
174 - *
175 - * @param WP_Error $wp_error A WP_Error-Response of an HTTP-Request
176 - *
177 - * @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]
178 156 */
179 -function is_tombstone( $wp_error ) {
180 - if ( ! is_wp_error( $wp_error ) ) {
181 - return false;
182 - }
157 +function activitypub_get_publickey_by_actor( $actor, $key_id ) {
158 + $metadata = activitypub_get_remote_metadata_by_actor( $actor );
183 159
184 - if ( in_array( (int) $wp_error->get_error_code(), array( 404, 410 ), true ) ) {
185 - return true;
160 + if ( is_wp_error( $metadata ) ) {
161 + return $metadata;
186 162 }
187 163
188 - return false;
189 -}
190 -
191 -/**
192 - * Get the REST URL relative to this plugin's namespace.
193 - *
194 - * @param string $path Optional. REST route path. Otherwise this plugin's namespaced root.
195 - *
196 - * @return string REST URL relative to this plugin's namespace.
197 - */
198 -function get_rest_url_by_path( $path = '' ) {
199 - // we'll handle the leading slash.
200 - $path = ltrim( $path, '/' );
201 - $namespaced_path = sprintf( '/%s/%s', ACTIVITYPUB_REST_NAMESPACE, $path );
202 - return \get_rest_url( null, $namespaced_path );
203 -}
204 -
205 -/**
206 - * Convert a string from camelCase to snake_case.
207 - *
208 - * @param string $string The string to convert.
209 - *
210 - * @return string The converted string.
211 - */
212 -// phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.stringFound
213 -function camel_to_snake_case( $string ) {
214 - return strtolower( preg_replace( '/(?<!^)[A-Z]/', '_$0', $string ) );
215 -}
216 -
217 -/**
218 - * Convert a string from snake_case to camelCase.
219 - *
220 - * @param string $string The string to convert.
221 - *
222 - * @return string The converted string.
223 - */
224 -// phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.stringFound
225 -function snake_to_camel_case( $string ) {
226 - return lcfirst( str_replace( '_', '', ucwords( $string, '_' ) ) );
227 -}
228 -
229 -/**
230 - * Escapes a Tag, to be used as a hashtag.
231 - *
232 - * @param string $string The string to escape.
233 - *
234 - * @return string The escaped hastag.
235 - */
236 -function esc_hashtag( $string ) {
237 -
238 - $hashtag = \wp_specialchars_decode( $string, ENT_QUOTES );
239 - // Remove all characters that are not letters, numbers, or underscores.
240 - $hashtag = \preg_replace( '/emoji-regex(*SKIP)(?!)|[^\p{L}\p{Nd}_]+/u', '_', $hashtag );
241 -
242 - // Capitalize every letter that is preceded by an underscore.
243 - $hashtag = preg_replace_callback(
244 - '/_(.)/',
245 - function ( $matches ) {
246 - return '' . strtoupper( $matches[1] );
247 - },
248 - $hashtag
249 - );
250 -
251 - // Add a hashtag to the beginning of the string.
252 - $hashtag = ltrim( $hashtag, '#' );
253 - $hashtag = '#' . $hashtag;
254 -
255 - /**
256 - * Allow defining your own custom hashtag generation rules.
257 - *
258 - * @param string $hashtag The hashtag to be returned.
259 - * @param string $string The original string.
260 - */
261 - $hashtag = apply_filters( 'activitypub_esc_hashtag', $hashtag, $string );
262 -
263 - return esc_html( $hashtag );
264 -}
265 -
266 -/**
267 - * Check if a request is for an ActivityPub request.
268 - *
269 - * @return bool False by default.
270 - */
271 -function is_activitypub_request() {
272 - global $wp_query;
273 -
274 - /*
275 - * ActivityPub requests are currently only made for
276 - * author archives, singular posts, and the homepage.
277 - */
278 - if ( ! \is_author() && ! \is_singular() && ! \is_home() && ! defined( '\REST_REQUEST' ) ) {
279 - return false;
280 - }
281 -
282 - // One can trigger an ActivityPub request by adding ?activitypub to the URL.
283 - // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.VariableRedeclaration
284 - global $wp_query;
285 - if ( isset( $wp_query->query_vars['activitypub'] ) ) {
286 - return true;
287 - }
288 -
289 - /*
290 - * The other (more common) option to make an ActivityPub request
291 - * is to send an Accept header.
292 - */
293 - if ( isset( $_SERVER['HTTP_ACCEPT'] ) ) {
294 - $accept = sanitize_text_field( wp_unslash( $_SERVER['HTTP_ACCEPT'] ) );
295 -
296 - /*
297 - * $accept can be a single value, or a comma separated list of values.
298 - * We want to support both scenarios,
299 - * and return true when the header includes at least one of the following:
300 - * - application/activity+json
301 - * - application/ld+json
302 - * - application/json
303 - */
304 - if ( preg_match( '/(application\/(ld\+json|activity\+json|json))/i', $accept ) ) {
305 - return true;
306 - }
307 - }
308 -
309 - return false;
310 -}
311 -
312 -/**
313 - * This function checks if a user is disabled for ActivityPub.
314 - *
315 - * @param int $user_id The User-ID.
316 - *
317 - * @return boolean True if the user is disabled, false otherwise.
318 - */
319 -function is_user_disabled( $user_id ) {
320 - $return = false;
321 -
322 - switch ( $user_id ) {
323 - // if the user is the application user, it's always enabled.
324 - case \Activitypub\Collection\Users::APPLICATION_USER_ID:
325 - $return = false;
326 - break;
327 - // if the user is the blog user, it's only enabled in single-user mode.
328 - case \Activitypub\Collection\Users::BLOG_USER_ID:
329 - if ( is_user_type_disabled( 'blog' ) ) {
330 - $return = true;
331 - break;
332 - }
333 -
334 - $return = false;
335 - break;
336 - // if the user is any other user, it's enabled if it can publish posts.
337 - default:
338 - if ( ! \get_user_by( 'id', $user_id ) ) {
339 - $return = true;
340 - break;
341 - }
342 -
343 - if ( is_user_type_disabled( 'user' ) ) {
344 - $return = true;
345 - break;
346 - }
347 -
348 - if ( ! \user_can( $user_id, 'publish_posts' ) ) {
349 - $return = true;
350 - break;
351 - }
352 -
353 - $return = false;
354 - break;
355 - }
356 -
357 - return apply_filters( 'activitypub_is_user_disabled', $return, $user_id );
358 -}
359 -
360 -/**
361 - * Checks if a User-Type is disabled for ActivityPub.
362 - *
363 - * This function is used to check if the 'blog' or 'user'
364 - * type is disabled for ActivityPub.
365 - *
366 - * @param enum $type Can be 'blog' or 'user'.
367 - *
368 - * @return boolean True if the user type is disabled, false otherwise.
369 - */
370 -function is_user_type_disabled( $type ) {
371 - switch ( $type ) {
372 - case 'blog':
373 - if ( \defined( 'ACTIVITYPUB_SINGLE_USER_MODE' ) ) {
374 - if ( ACTIVITYPUB_SINGLE_USER_MODE ) {
375 - $return = false;
376 - break;
377 - }
378 - }
379 -
380 - if ( \defined( 'ACTIVITYPUB_DISABLE_BLOG_USER' ) ) {
381 - $return = ACTIVITYPUB_DISABLE_BLOG_USER;
382 - break;
383 - }
384 -
385 - if ( '1' !== \get_option( 'activitypub_enable_blog_user', '0' ) ) {
386 - $return = true;
387 - break;
388 - }
389 -
390 - $return = false;
391 - break;
392 - case 'user':
393 - if ( \defined( 'ACTIVITYPUB_SINGLE_USER_MODE' ) ) {
394 - if ( ACTIVITYPUB_SINGLE_USER_MODE ) {
395 - $return = true;
396 - break;
397 - }
398 - }
399 -
400 - if ( \defined( 'ACTIVITYPUB_DISABLE_USER' ) ) {
401 - $return = ACTIVITYPUB_DISABLE_USER;
402 - break;
403 - }
404 -
405 - if ( '1' !== \get_option( 'activitypub_enable_users', '1' ) ) {
406 - $return = true;
407 - break;
408 - }
409 -
410 - $return = false;
411 - break;
412 - default:
413 - $return = new WP_Error( 'activitypub_wrong_user_type', __( 'Wrong user type', 'activitypub' ), array( 'status' => 400 ) );
414 - break;
415 - }
416 -
417 - return apply_filters( 'activitypub_is_user_type_disabled', $return, $type );
418 -}
419 -
420 -/**
421 - * Check if the blog is in single-user mode.
422 - *
423 - * @return boolean True if the blog is in single-user mode, false otherwise.
424 - */
425 -function is_single_user() {
426 164 if (
427 - false === is_user_type_disabled( 'blog' ) &&
428 - true === is_user_type_disabled( 'user' )
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']
429 171 ) {
430 - return true;
172 + return $metadata['publicKey']['publicKeyPem'];
431 173 }
432 174
433 - return false;
175 + return new WP_Error( 'activitypub_no_public_key', __( 'No "Public-Key" found', 'activitypub' ), $metadata );
434 176 }
435 177
436 -/**
437 - * Check if a site supports the block editor.
438 - *
439 - * @return boolean True if the site supports the block editor, false otherwise.
440 - */
441 -function site_supports_blocks() {
442 - if ( \version_compare( \get_bloginfo( 'version' ), '5.9', '<' ) ) {
443 - 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 );
444 182 }
445 183
446 - if ( ! \function_exists( 'register_block_type_from_metadata' ) ) {
447 - return false;
448 - }
449 -
450 - /**
451 - * Allow plugins to disable block editor support,
452 - * thus disabling blocks registered by the ActivityPub plugin.
453 - *
454 - * @param boolean $supports_blocks True if the site supports the block editor, false otherwise.
455 - */
456 - return apply_filters( 'activitypub_site_supports_blocks', true );
184 + return array_unique( $inboxes );
457 185 }
458 186
459 -/**
460 - * Check if data is valid JSON.
461 - *
462 - * @param string $data The data to check.
463 - *
464 - * @return boolean True if the data is JSON, false otherwise.
465 - */
466 -function is_json( $data ) {
467 - return \is_array( \json_decode( $data, true ) ) ? true : false;
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
468 203 }
469 204
470 -/**
471 - * Check if a blog is public based on the `blog_public` option
472 - *
473 - * @return bollean True if public, false if not
474 - */
475 -function is_blog_public() {
476 - return (bool) apply_filters( 'activitypub_is_blog_public', \get_option( 'blog_public', 1 ) );
477 -}
205 +function activitypub_get_followers( $user_id ) {
206 + $followers = Db_Activitypub_Followers::get_followers( $user_id );
478 207
479 -/**
480 - * Get active users based on a given duration
481 - *
482 - * @param int $duration The duration to check in month(s)
483 - *
484 - * @return int The number of active users
485 - */
486 -function get_active_users( $duration = 1 ) {
487 -
488 - $duration = intval( $duration );
489 - $transient_key = sprintf( 'monthly_active_users_%d', $duration );
490 - $count = get_transient( $transient_key );
491 -
492 - if ( false === $count ) {
493 - global $wpdb;
494 - $query = "SELECT COUNT( DISTINCT post_author ) FROM {$wpdb->posts} WHERE post_type = 'post' AND post_status = 'publish' AND post_date <= DATE_SUB( NOW(), INTERVAL %d MONTH )";
495 - $query = $wpdb->prepare( $query, $duration );
496 - $count = $wpdb->get_var( $query ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
497 -
498 - set_transient( $transient_key, $count, DAY_IN_SECONDS );
208 + if ( ! $followers ) {
209 + return array();
499 210 }
500 211
501 - // if 0 authors where active
502 - if ( 0 === $count ) {
503 - return 0;
504 - }
505 -
506 - // if single user mode
507 - if ( is_single_user() ) {
508 - return 1;
509 - }
510 -
511 - // if blog user is disabled
512 - if ( is_user_disabled( Users::BLOG_USER_ID ) ) {
513 - return $count;
514 - }
515 -
516 - // also count blog user
517 - return $count + 1;
212 + return $followers;
518 213 }
519 214
520 -/**
521 - * Get the total number of users
522 - *
523 - * @return int The total number of users
524 - */
525 -function get_total_users() {
526 - // if single user mode
527 - if ( is_single_user() ) {
528 - return 1;
529 - }
215 +function activitypub_count_followers( $user_id ) {
216 + $followers = activitypub_get_followers( $user_id );
530 217
531 - $users = \get_users(
532 - array(
533 - 'capability__in' => array( 'publish_posts' ),
534 - )
535 - );
536 -
537 - if ( is_array( $users ) ) {
538 - $users = count( $users );
539 - } else {
540 - $users = 1;
541 - }
542 -
543 - // if blog user is disabled
544 - if ( is_user_disabled( Users::BLOG_USER_ID ) ) {
545 - return $users;
546 - }
547 -
548 - return $users + 1;
218 + return count( $followers );
549 219 }