Event-Federation/wordpress-activitypub
Event-Federation/wordpress-activitypub
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Merge branch 'master' into add/activity-handler

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Matthias Pfefferle 2023-11-08 16:48:11 +01:00 committed by GitHub
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14
README.md
View file

@ -2,8 +2,8 @@
**Contributors:** [automattic](https://profiles.wordpress.org/automattic/), [pfefferle](https://profiles.wordpress.org/pfefferle/), [mediaformat](https://profiles.wordpress.org/mediaformat/), [mattwiebe](https://profiles.wordpress.org/mattwiebe/), [akirk](https://profiles.wordpress.org/akirk/), [jeherve](https://profiles.wordpress.org/jeherve/), [nuriapena](https://profiles.wordpress.org/nuriapena/), [cavalierlife](https://profiles.wordpress.org/cavalierlife/)
**Tags:** OStatus, fediverse, activitypub, activitystream
**Requires at least:** 4.7
**Tested up to:** 6.3
**Stable tag:** 1.0.10
**Tested up to:** 6.4
**Stable tag:** 1.1.0
**Requires PHP:** 5.6
**License:** MIT
**License URI:** http://opensource.org/licenses/MIT
@ -105,6 +105,16 @@ Where 'blog' is the path to the subdirectory at which your blog resides.
Project maintained on GitHub at [automattic/wordpress-activitypub](https://github.com/automattic/wordpress-activitypub).
### 1.1.0 ###
* Improved: audio and video attachments are now supported!
* Improved: better error messages if remote profile is not accessible
* Improved: PHP 8.1 compatibility
* Fixed: don't try to parse mentions or hashtags for very large (>1MB) posts to prevent timeouts
* Fixed: better handling of ISO-639-1 locale codes
* Improved: more reliable [ap_author], props @uk3
* Improved: NodeInfo statistics
### 1.0.10 ###
* Improved: better error messages if remote profile is not accessible

2
activitypub.php
View file

@ -3,7 +3,7 @@
* Plugin Name: ActivityPub
* Plugin URI: https://github.com/pfefferle/wordpress-activitypub/
* Description: The ActivityPub protocol is a decentralized social networking protocol based upon the ActivityStreams 2.0 data format.
* Version: 1.0.10
* Version: 1.1.0
* Author: Matthias Pfefferle & Automattic
* Author URI: https://automattic.com/
* License: MIT

4
includes/class-hashtag.php
View file

@ -43,6 +43,10 @@ class Hashtag {
* @return string the filtered post-content
*/
public static function the_content( $the_content ) {
// small protection against execution timeouts: limit to 1 MB
if ( mb_strlen( $the_content ) > MB_IN_BYTES ) {
return $the_content;
}
$tag_stack = array();
$protected_tags = array(
'pre',

4
includes/class-mention.php
View file

@ -26,6 +26,10 @@ class Mention {
* @return string the filtered post-content
*/
public static function the_content( $the_content ) {
// small protection against execution timeouts: limit to 1 MB
if ( mb_strlen( $the_content ) > MB_IN_BYTES ) {
return $the_content;
}
$tag_stack = array();
$protected_tags = array(
'pre',

6
includes/class-shortcodes.php
View file

@ -390,7 +390,8 @@ class Shortcodes {
return '';
}
$name = \get_the_author_meta( 'display_name', $item->post_author );
$author_id = \get_post_field( 'post_author', $item->ID );
$name = \get_the_author_meta( 'display_name', $author_id );
if ( ! $name ) {
return '';
@ -415,7 +416,8 @@ class Shortcodes {
return '';
}
$url = \get_the_author_meta( 'user_url', $item->post_author );
$author_id = \get_post_field( 'post_author', $item->ID );
$url = \get_the_author_meta( 'user_url', $author_id );
if ( ! $url ) {
return '';

12
includes/compat.php
View file

@ -35,3 +35,15 @@ if ( ! function_exists( 'get_self_link' ) ) {
return esc_url( apply_filters( 'self_link', set_url_scheme( 'http://' . $host['host'] . $path ) ) );
}
}
if ( ! function_exists( 'is_countable' ) ) {
/**
* Polyfill for `is_countable()` function added in PHP 7.3.
*
* @param mixed $value The value to check.
* @return bool True if `$value` is countable, otherwise false.
*/
function is_countable( $value ) {
return is_array( $value ) || $value instanceof \Countable;
}
}

73
includes/functions.php
View file

@ -5,6 +5,7 @@ use WP_Error;
use Activitypub\Http;
use Activitypub\Activity\Activity;
use Activitypub\Collection\Followers;
use Activitypub\Collection\Users;
/**
* Returns the ActivityPub default JSON-context
@ -549,3 +550,75 @@ function is_activity_public( $data ) {
return in_array( 'https://www.w3.org/ns/activitystreams#Public', $recipients, true );
}
/**
* Get active users based on a given duration
*
* @param int $duration The duration to check in month(s)
*
* @return int The number of active users
*/
function get_active_users( $duration = 1 ) {
$duration = intval( $duration );
$transient_key = sprintf( 'monthly_active_users_%d', $duration );
$count = get_transient( $transient_key );
if ( false === $count ) {
global $wpdb;
$query = "SELECT COUNT( DISTINCT post_author ) FROM {$wpdb->posts} WHERE post_type = 'post' AND post_status = 'publish' AND post_date <= DATE_SUB( NOW(), INTERVAL %d MONTH )";
$query = $wpdb->prepare( $query, $duration );
$count = $wpdb->get_var( $query ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
set_transient( $transient_key, $count, DAY_IN_SECONDS );
}
// if 0 authors where active
if ( 0 === $count ) {
return 0;
}
// if single user mode
if ( is_single_user() ) {
return 1;
}
// if blog user is disabled
if ( is_user_disabled( Users::BLOG_USER_ID ) ) {
return $count;
}
// also count blog user
return $count + 1;
}
/**
* Get the total number of users
*
* @return int The total number of users
*/
function get_total_users() {
// if single user mode
if ( is_single_user() ) {
return 1;
}
$users = \get_users(
array(
'capability__in' => array( 'publish_posts' ),
)
);
if ( is_array( $users ) ) {
$users = count( $users );
} else {
$users = 1;
}
// if blog user is disabled
if ( is_user_disabled( Users::BLOG_USER_ID ) ) {
return $users;
}
return $users + 1;
}

4
includes/rest/class-collection.php
View file

@ -105,7 +105,7 @@ class Collection {
'@context' => Activity::CONTEXT,
'id' => get_rest_url_by_path( sprintf( 'users/%d/collections/tags', $user->get__id() ) ),
'type' => 'Collection',
'totalItems' => count( $tags ),
'totalItems' => is_countable( $tags ) ? count( $tags ) : 0,
'items' => array(),
);
@ -163,7 +163,7 @@ class Collection {
'@context' => Activity::CONTEXT,
'id' => get_rest_url_by_path( sprintf( 'users/%d/collections/featured', $user_id ) ),
'type' => 'OrderedCollection',
'totalItems' => count( $posts ),
'totalItems' => is_countable( $posts ) ? count( $posts ) : 0,
'orderedItems' => array(),
);

2
includes/rest/class-following.php
View file

@ -75,7 +75,7 @@ class Following {
$items = apply_filters( 'activitypub_rest_following', array(), $user ); // phpcs:ignore
$json->totalItems = count( $items ); // phpcs:ignore
$json->totalItems = is_countable( $items ) ? count( $items ) : 0; // phpcs:ignore
$json->orderedItems = $items; // phpcs:ignore
$json->first = $json->partOf; // phpcs:ignore

34
includes/rest/class-nodeinfo.php
View file

@ -3,6 +3,8 @@ namespace Activitypub\Rest;
use WP_REST_Response;
use function Activitypub\get_total_users;
use function Activitypub\get_active_users;
use function Activitypub\get_rest_url_by_path;
/**
@ -82,24 +84,14 @@ class Nodeinfo {
'version' => \get_bloginfo( 'version' ),
);
$users = \get_users(
array(
'capability__in' => array( 'publish_posts' ),
)
);
if ( is_array( $users ) ) {
$users = count( $users );
} else {
$users = 1;
}
$posts = \wp_count_posts();
$comments = \wp_count_comments();
$nodeinfo['usage'] = array(
'users' => array(
'total' => $users,
'total' => get_total_users(),
'activeMonth' => get_active_users( '1 month ago' ),
'activeHalfyear' => get_active_users( '6 month ago' ),
),
'localPosts' => (int) $posts->publish,
'localComments' => (int) $comments->approved,
@ -139,24 +131,14 @@ class Nodeinfo {
'version' => \get_bloginfo( 'version' ),
);
$users = \get_users(
array(
'capability__in' => array( 'publish_posts' ),
)
);
if ( is_array( $users ) ) {
$users = count( $users );
} else {
$users = 1;
}
$posts = \wp_count_posts();
$comments = \wp_count_comments();
$nodeinfo['usage'] = array(
'users' => array(
'total' => (int) $users,
'total' => get_total_users(),
'activeMonth' => get_active_users( 1 ),
'activeHalfyear' => get_active_users( 6 ),
),
'localPosts' => (int) $posts->publish,
'localComments' => (int) $comments->approved,

326
includes/transformer/class-post.php
View file

@ -82,7 +82,7 @@ class Post {
$object->set_content( $this->get_content() );
$object->set_content_map(
array(
\strstr( \get_locale(), '_', true ) => $this->get_content(),
$this->get_locale() => $this->get_content(),
)
);
$path = sprintf( 'users/%d/followers', intval( $wp_post->post_author ) );
@ -143,78 +143,65 @@ class Post {
}
/**
* Returns the Image Attachments for this Post, parsed from blocks.
* @param int $max_images The maximum number of images to return.
* @param array $image_ids The image IDs to append new IDs to.
* Generates all Media Attachments for a Post.
*
* @return array The image IDs.
*/
protected function get_block_image_ids( $max_images, $image_ids = [] ) {
$blocks = \parse_blocks( $this->wp_post->post_content );
return self::get_image_ids_from_blocks( $blocks, $image_ids, $max_images );
}
/**
* Recursively get image IDs from blocks.
* @param array $blocks The blocks to search for image IDs
* @param array $image_ids The image IDs to append new IDs to
* @param int $max_images The maximum number of images to return.
*
* @return array The image IDs.
*/
protected static function get_image_ids_from_blocks( $blocks, $image_ids, $max_images ) {
foreach ( $blocks as $block ) {
// recurse into inner blocks
if ( ! empty( $block['innerBlocks'] ) ) {
$image_ids = self::get_image_ids_from_blocks( $block['innerBlocks'], $image_ids, $max_images );
}
switch ( $block['blockName'] ) {
case 'core/image':
case 'core/cover':
if ( ! empty( $block['attrs']['id'] ) ) {
$image_ids[] = $block['attrs']['id'];
}
break;
case 'jetpack/slideshow':
case 'jetpack/tiled-gallery':
if ( ! empty( $block['attrs']['ids'] ) ) {
$image_ids = array_merge( $image_ids, $block['attrs']['ids'] );
}
break;
case 'jetpack/image-compare':
if ( ! empty( $block['attrs']['beforeImageId'] ) ) {
$image_ids[] = $block['attrs']['beforeImageId'];
}
if ( ! empty( $block['attrs']['afterImageId'] ) ) {
$image_ids[] = $block['attrs']['afterImageId'];
}
break;
}
// we could be at or over max, stop unneeded work
if ( count( $image_ids ) >= $max_images ) {
break;
}
}
// still need to slice it because one gallery could knock us over the limit
return \array_slice( $image_ids, 0, $max_images );
}
/**
* Generates all Image Attachments for a Post.
*
* @return array The Image Attachments.
* @return array The Attachments.
*/
protected function get_attachments() {
$max_images = intval( \apply_filters( 'activitypub_max_image_attachments', \get_option( 'activitypub_max_image_attachments', ACTIVITYPUB_MAX_IMAGE_ATTACHMENTS ) ) );
// Once upon a time we only supported images, but we now support audio/video as well.
// We maintain the image-centric naming for backwards compatibility.
$max_media = intval( \apply_filters( 'activitypub_max_image_attachments', \get_option( 'activitypub_max_image_attachments', ACTIVITYPUB_MAX_IMAGE_ATTACHMENTS ) ) );
$images = array();
if ( site_supports_blocks() && \has_blocks( $this->wp_post->post_content ) ) {
return $this->get_block_attachments( $max_media );
}
return $this->get_classic_editor_images( $max_media );
}
/**
* Get media attachments from blocks. They will be formatted as ActivityPub attachments, not as WP attachments.
*
* @param int $max_media The maximum number of attachments to return.
*
* @return array The attachments.
*/
protected function get_block_attachments( $max_media ) {
// max media can't be negative or zero
if ( $max_media <= 0 ) {
return array();
}
$id = $this->wp_post->ID;
$media_ids = array();
// list post thumbnail first if this post has one
if ( \function_exists( 'has_post_thumbnail' ) && \has_post_thumbnail( $id ) ) {
$media_ids[] = \get_post_thumbnail_id( $id );
}
if ( $max_media > 0 ) {
$blocks = \parse_blocks( $this->wp_post->post_content );
$media_ids = self::get_media_ids_from_blocks( $blocks, $media_ids, $max_media );
}
$media_ids = \array_unique( $media_ids );
return \array_filter( \array_map( array( self::class, 'wp_attachment_to_activity_attachment' ), $media_ids ) );
}
/**
* Get image attachments from the classic editor.
* Note that audio/video attachments are only supported in the block editor.
*
* @param int $max_images The maximum number of images to return.
*
* @return array The attachments.
*/
protected function get_classic_editor_images( $max_images ) {
// max images can't be negative or zero
if ( $max_images <= 0 ) {
return $images;
return array();
}
$id = $this->wp_post->ID;
@ -228,68 +215,144 @@ class Post {
}
if ( $max_images > 0 ) {
// first try to get images that are actually in the post content
if ( site_supports_blocks() && \has_blocks( $this->wp_post->post_content ) ) {
$block_image_ids = $this->get_block_image_ids( $max_images, $image_ids );
$image_ids = \array_merge( $image_ids, $block_image_ids );
} else {
// fallback to images attached to the post
$query = new \WP_Query(
array(
'post_parent' => $id,
'post_status' => 'inherit',
'post_type' => 'attachment',
'post_mime_type' => 'image',
'order' => 'ASC',
'orderby' => 'menu_order ID',
'posts_per_page' => $max_images,
)
);
foreach ( $query->get_posts() as $attachment ) {
if ( ! \in_array( $attachment->ID, $image_ids, true ) ) {
$image_ids[] = $attachment->ID;
}
$query = new \WP_Query(
array(
'post_parent' => $id,
'post_status' => 'inherit',
'post_type' => 'attachment',
'post_mime_type' => 'image',
'order' => 'ASC',
'orderby' => 'menu_order ID',
'posts_per_page' => $max_images,
)
);
foreach ( $query->get_posts() as $attachment ) {
if ( ! \in_array( $attachment->ID, $image_ids, true ) ) {
$image_ids[] = $attachment->ID;
}
}
}
$image_ids = \array_unique( $image_ids );
// get URLs for each image
foreach ( $image_ids as $id ) {
$image_size = 'full';
return \array_filter( \array_map( array( self::class, 'wp_attachment_to_activity_attachment' ), $image_ids ) );
}
/**
* Filter the image URL returned for each post.
*
* @param array|false $thumbnail The image URL, or false if no image is available.
* @param int $id The attachment ID.
* @param string $image_size The image size to retrieve. Set to 'full' by default.
*/
$thumbnail = apply_filters(
'activitypub_get_image',
$this->get_image( $id, $image_size ),
$id,
$image_size
);
/**
* Recursively get media IDs from blocks.
* @param array $blocks The blocks to search for media IDs
* @param array $media_ids The media IDs to append new IDs to
* @param int $max_media The maximum number of media to return.
*
* @return array The image IDs.
*/
protected static function get_media_ids_from_blocks( $blocks, $media_ids, $max_media ) {
if ( $thumbnail ) {
$mimetype = \get_post_mime_type( $id );
$alt = \get_post_meta( $id, '_wp_attachment_image_alt', true );
$image = array(
'type' => 'Image',
'url' => $thumbnail[0],
'mediaType' => $mimetype,
);
foreach ( $blocks as $block ) {
// recurse into inner blocks
if ( ! empty( $block['innerBlocks'] ) ) {
$media_ids = self::get_media_ids_from_blocks( $block['innerBlocks'], $media_ids, $max_media );
}
if ( $alt ) {
$image['name'] = $alt;
}
$images[] = $image;
switch ( $block['blockName'] ) {
case 'core/image':
case 'core/cover':
case 'core/audio':
case 'core/video':
case 'videopress/video':
if ( ! empty( $block['attrs']['id'] ) ) {
$media_ids[] = $block['attrs']['id'];
}
break;
case 'jetpack/slideshow':
case 'jetpack/tiled-gallery':
if ( ! empty( $block['attrs']['ids'] ) ) {
$media_ids = array_merge( $media_ids, $block['attrs']['ids'] );
}
break;
case 'jetpack/image-compare':
if ( ! empty( $block['attrs']['beforeImageId'] ) ) {
$media_ids[] = $block['attrs']['beforeImageId'];
}
if ( ! empty( $block['attrs']['afterImageId'] ) ) {
$media_ids[] = $block['attrs']['afterImageId'];
}
break;
}
// stop doing unneeded work
if ( count( $media_ids ) >= $max_media ) {
break;
}
}
return $images;
// still need to slice it because one gallery could knock us over the limit
return array_slice( $media_ids, 0, $max_media );
}
/**
* Converts a WordPress Attachment to an ActivityPub Attachment.
*
* @param int $id The Attachment ID.
*
* @return array The ActivityPub Attachment.
*/
public static function wp_attachment_to_activity_attachment( $id ) {
$attachment = array();
$mime_type = \get_post_mime_type( $id );
$mime_type_parts = \explode( '/', $mime_type );
// switching on image/audio/video
switch ( $mime_type_parts[0] ) {
case 'image':
$image_size = 'full';
/**
* Filter the image URL returned for each post.
*
* @param array|false $thumbnail The image URL, or false if no image is available.
* @param int $id The attachment ID.
* @param string $image_size The image size to retrieve. Set to 'full' by default.
*/
$thumbnail = apply_filters(
'activitypub_get_image',
self::get_image( $id, $image_size ),
$id,
$image_size
);
if ( $thumbnail ) {
$alt = \get_post_meta( $id, '_wp_attachment_image_alt', true );
$image = array(
'type' => 'Image',
'url' => $thumbnail[0],
'mediaType' => $mime_type,
);
if ( $alt ) {
$image['name'] = $alt;
}
$attachment = $image;
}
break;
case 'audio':
case 'video':
$attachment = array(
'type' => 'Document',
'mediaType' => $mime_type,
'url' => \wp_get_attachment_url( $id ),
'name' => \get_the_title( $id ),
);
$meta = wp_get_attachment_metadata( $id );
// height and width for videos
if ( isset( $meta['width'] ) && isset( $meta['height'] ) ) {
$attachment['width'] = $meta['width'];
$attachment['height'] = $meta['height'];
}
// @todo: add `icon` support for audio/video attachments. Maybe use post thumbnail?
break;
}
return \apply_filters( 'activitypub_attachment', $attachment, $id );
}
/**
@ -300,7 +363,7 @@ class Post {
*
* @return array|false Array of image data, or boolean false if no image is available.
*/
protected function get_image( $id, $image_size = 'full' ) {
protected static function get_image( $id, $image_size = 'full' ) {
/**
* Hook into the image retrieval process. Before image retrieval.
*
@ -309,7 +372,7 @@ class Post {
*/
do_action( 'activitypub_get_image_pre', $id, $image_size );
$thumbnail = \wp_get_attachment_image_src( $id, $image_size );
$image = \wp_get_attachment_image_src( $id, $image_size );
/**
* Hook into the image retrieval process. After image retrieval.
@ -319,7 +382,7 @@ class Post {
*/
do_action( 'activitypub_get_image_post', $id, $image_size );
return $thumbnail;
return $image;
}
/**
@ -335,6 +398,8 @@ class Post {
return \ucfirst( \get_option( 'activitypub_object_type', 'note' ) );
}
// Default to Article.
$object_type = 'Article';
$post_type = \get_post_type( $this->wp_post );
switch ( $post_type ) {
case 'post':
@ -515,4 +580,25 @@ class Post {
protected function get_mentions() {
return apply_filters( 'activitypub_extract_mentions', array(), $this->wp_post->post_content, $this->wp_post );
}
/**
* Returns the locale of the post.
*
* @return string The locale of the post.
*/
public function get_locale() {
$post_id = $this->wp_post->ID;
$lang = \strtolower( \strtok( \get_locale(), '_-' ) );
/**
* Filter the locale of the post.
*
* @param string $lang The locale of the post.
* @param int $post_id The post ID.
* @param WP_Post $post The post object.
*
* @return string The filtered locale of the post.
*/
return apply_filters( 'activitypub_post_locale', $lang, $post_id, $this->wp_post );
}
}

15
integration/class-nodeinfo.php
View file

@ -1,6 +1,9 @@
<?php
namespace Activitypub\Integration;
use function Activitypub\get_total_users;
use function Activitypub\get_active_users;
/**
* Compatibility with the NodeInfo plugin
*
@ -31,6 +34,12 @@ class Nodeinfo {
$nodeinfo['protocols']['outbound'][] = 'activitypub';
}
$nodeinfo['usage']['users'] = array(
'total' => get_total_users(),
'activeMonth' => get_active_users( '1 month ago' ),
'activeHalfyear' => get_active_users( '6 month ago' ),
);
return $nodeinfo;
}
@ -44,6 +53,12 @@ class Nodeinfo {
public static function add_nodeinfo2_discovery( $nodeinfo ) {
$nodeinfo['protocols'][] = 'activitypub';
$nodeinfo['usage']['users'] = array(
'total' => get_total_users(),
'activeMonth' => get_active_users( '1 month ago' ),
'activeHalfyear' => get_active_users( '6 month ago' ),
);
return $nodeinfo;
}
}

14
readme.txt
View file

@ -2,8 +2,8 @@
Contributors: automattic, pfefferle, mediaformat, mattwiebe, akirk, jeherve, nuriapena, cavalierlife
Tags: OStatus, fediverse, activitypub, activitystream
Requires at least: 4.7
Tested up to: 6.3
Stable tag: 1.0.10
Tested up to: 6.4
Stable tag: 1.1.0
Requires PHP: 5.6
License: MIT
License URI: http://opensource.org/licenses/MIT
@ -105,6 +105,16 @@ Where 'blog' is the path to the subdirectory at which your blog resides.
Project maintained on GitHub at [automattic/wordpress-activitypub](https://github.com/automattic/wordpress-activitypub).
= 1.1.0 =
* Improved: audio and video attachments are now supported!
* Improved: better error messages if remote profile is not accessible
* Improved: PHP 8.1 compatibility
* Fixed: don't try to parse mentions or hashtags for very large (>1MB) posts to prevent timeouts
* Fixed: better handling of ISO-639-1 locale codes
* Improved: more reliable [ap_author], props @uk3
* Improved: NodeInfo statistics
= 1.0.10 =
* Improved: better error messages if remote profile is not accessible

11
templates/settings.php
View file

@ -138,7 +138,7 @@
</tr>
<tr>
<th scope="row">
<?php \esc_html_e( 'Number of images', 'activitypub' ); ?>
<?php \esc_html_e( 'Media attachments', 'activitypub' ); ?>
</th>
<td>
<input value="<?php echo esc_attr( \get_option( 'activitypub_max_image_attachments', ACTIVITYPUB_MAX_IMAGE_ATTACHMENTS ) ); ?>" name="activitypub_max_image_attachments" id="activitypub_max_image_attachments" type="number" min="0" />
@ -147,13 +147,20 @@
echo \wp_kses(
\sprintf(
// translators:
\__( 'The number of images to attach to posts. Default: <code>%s</code>', 'activitypub' ),
\__( 'The number of media (images, audio, video) to attach to posts. Default: <code>%s</code>', 'activitypub' ),
\esc_html( ACTIVITYPUB_MAX_IMAGE_ATTACHMENTS )
),
'default'
);
?>
</p>
<p class="description">
<em>
<?php
esc_html_e( 'Note: audio and video attachments are only supported from Block Editor.', 'activitypub' );
?>
</em>
</p>
</td>
</tr>
<tr>