Event-Federation/wordpress-activitypub
Event-Federation/wordpress-activitypub
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prepare version 0.0.2

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Matthias Pfefferle 2018-09-30 22:51:22 +02:00
parent c585b21163
commit dde469c27c
11 changed files with 218 additions and 205 deletions
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7
README.md
View file

@ -4,7 +4,7 @@
**Tags:** OStatus, fediverse, activitypub, activitystream
**Requires at least:** 4.7
**Tested up to:** 4.9.8
**Stable tag:** 0.0.1
**Stable tag:** 0.0.2
**Requires PHP:** 5.3
**License:** MIT
**License URI:** http://opensource.org/licenses/MIT
@ -24,6 +24,11 @@ If you want to have a **decentralized social network**, please use [Mastodon](ht
## Changelog ##
### 0.0.2 ###
* refactorins
* functional inbox
### 0.0.1 ###
* initial

3
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: 0.0.1
* Version: 0.0.2
* Author: Matthias Pfefferle
* Author URI: https://notiz.blog/
* License: MIT
@ -16,6 +16,7 @@
* Initialize plugin
*/
function activitypub_init() {
require_once dirname( __FILE__ ) . '/includes/class-activitypub-post.php';
require_once dirname( __FILE__ ) . '/includes/functions.php';
require_once dirname( __FILE__ ) . '/includes/class-activitypub.php';

26
includes/class-activitypub-inbox.php
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@ -1,6 +1,6 @@
<?php
/**
* ActivityPub Outbox Class
* ActivityPub Inbox Class
*
* @author Matthias Pfefferle
*/
@ -13,7 +13,7 @@ class Activitypub_Inbox {
'activitypub/1.0', '/inbox', array(
array(
'methods' => WP_REST_Server::EDITABLE,
'callback' => array( 'Activitypub_Inbox', 'shared_edit' ),
'callback' => array( 'Activitypub_Inbox', 'shared_inbox' ),
),
)
);
@ -22,31 +22,45 @@ class Activitypub_Inbox {
'activitypub/1.0', '/users/(?P<id>\d+)/inbox', array(
array(
'methods' => WP_REST_Server::EDITABLE,
'callback' => array( 'Activitypub_Inbox', 'user_edit' ),
'callback' => array( 'Activitypub_Inbox', 'user_inbox' ),
'args' => self::request_parameters(),
),
)
);
}
public static function user_edit( $request ) {
public static function user_inbox( $request ) {
$author_id = $request->get_param( 'id' );
$author = get_user_by( 'ID', $author_id );
$data = json_decode( $request->get_body(), true );
do_action( 'activitypub_inbox', $data );
if ( ! is_array( $data ) || ! array_key_exists( 'type', $data ) ) {
return new WP_Error( 'rest_invalid_data', __( 'Invalid payload', 'activitypub' ), array( 'status' => 422 ) );
}
return new WP_REST_Response( $data );
return new WP_REST_Response();
}
public static function shared_edit( $request ) {
/**
* The shared inbox
*
* @param [type] $request [description]
*
* @return WP_Error not yet implemented
*/
public static function shared_inbox( $request ) {
// Create the response object
return new WP_Error( 'rest_not_implemented', __( 'This method is not yet implemented', 'activitypub' ), array( 'status' => 501 ) );
}
/**
* The supported parameters
*
* @return array list of parameters
*/
public static function request_parameters() {
$params = array();

40
includes/class-activitypub-outbox.php
View file

@ -32,7 +32,7 @@ class Activitypub_Outbox {
) );
}
$page = $request->get_param( 'page' );
$page = $request->get_param( 'page', 0 );
/*
* Action triggerd prior to the ActivityPub profile being created and sent to the client
@ -41,37 +41,7 @@ class Activitypub_Outbox {
$json = new stdClass();
$json->{'@context'} = array(
'https://www.w3.org/ns/activitystreams',
'https://w3id.org/security/v1',
array(
'manuallyApprovesFollowers' => 'as:manuallyApprovesFollowers',
'sensitive' => 'as:sensitive',
'movedTo' => array(
'@id' => 'as:movedTo',
'@type' => '@id',
),
'Hashtag' => 'as:Hashtag',
'ostatus' => 'http://ostatus.org#',
'atomUri' => 'ostatus:atomUri',
'inReplyToAtomUri' => 'ostatus:inReplyToAtomUri',
'conversation' => 'ostatus:conversation',
'toot' => 'http://joinmastodon.org/ns#',
'Emoji' => 'toot:Emoji',
'focalPoint' => array(
'@container' => '@list',
'@id' => 'toot:focalPoint',
),
'featured' => array(
'@id' => 'toot:featured',
'@type' => '@id',
),
'schema' => 'http://schema.org#',
'PropertyValue' => 'schema:PropertyValue',
'value' => 'schema:value',
),
);
$json->{'@context'} = get_activitypub_context();
$json->id = home_url( add_query_arg( NULL, NULL ) );
$json->generator = 'http://wordpress.org/?v=' . get_bloginfo_rss( 'version' );
$json->actor = get_author_posts_url( $author_id );
@ -82,8 +52,9 @@ class Activitypub_Outbox {
$json->totalItems = intval( $count_posts->publish );
$posts = get_posts( array(
'posts_per_page' => 10,
'author' => $author_id,
'offset' => $page,
'offset' => $page * 10,
) );
$json->first = add_query_arg( 'page', 0, $json->partOf );
@ -94,7 +65,8 @@ class Activitypub_Outbox {
}
foreach ( $posts as $post ) {
$json->orderedItems[] = self::post_to_json( $post ); // phpcs:ignore
$activitypub_post = new Activitypub_Post( $post );
$json->orderedItems[] = $activitypub_post->to_json_array(); // phpcs:ignore
}
// filter output

114
includes/class-activitypub-post.php Normal file
View file

@ -0,0 +1,114 @@
<?php
/**
* ActivityPub Post Class
*
* @author Matthias Pfefferle
*/
class Activitypub_Post {
private $post;
public function __construct( $post = null ) {
if ( ! $post ) {
$post = get_post();
}
$this->post = $post;
}
public function to_json_array( $with_context = false ) {
$post = $this->post;
$json = new stdClass();
if ( $with_context ) {
$json->{'@context'} = get_activitypub_context();
}
$json->published = date( 'Y-m-d\TH:i:s\Z', strtotime( $post->post_date ) );
$json->id = $post->guid . '&activitypub';
$json->type = 'Create';
$json->actor = get_author_posts_url( $post->post_author );
$json->to = array( 'https://www.w3.org/ns/activitystreams#Public' );
$json->cc = array( 'https://www.w3.org/ns/activitystreams#Public' );
$json->object = array(
'id' => $post->guid,
'type' => $this->get_object_type(),
'published' => date( 'Y-m-d\TH:i:s\Z', strtotime( $post->post_date ) ),
'to' => array( 'https://www.w3.org/ns/activitystreams#Public' ),
'cc' => array( 'https://www.w3.org/ns/activitystreams#Public' ),
'attributedTo' => get_author_posts_url( $post->post_author ),
'summary' => null,
'inReplyTo' => null,
'content' => esc_html( $post->post_content ),
'contentMap' => array(
strstr( get_locale(), '_', true ) => esc_html( $post->post_content ) ,
),
'attachment' => array(),
'tag' => array(),
);
return apply_filters( 'activitypub_json_post', $json );
}
/**
* Returns the as2 object-type for a given post
*
* @param string $type the object-type
* @param Object $post the post-object
*
* @return string the object-type
*/
public function get_object_type() {
$post_type = get_post_type( $this->post );
switch ( $post_type ) {
case 'post':
$post_format = get_post_format( $this->post );
switch ( $post_format ) {
case 'aside':
case 'status':
case 'quote':
case 'note':
$object_type = 'Note';
break;
case 'gallery':
case 'image':
$object_type = 'Image';
break;
case 'video':
$object_type = 'Video';
break;
case 'audio':
$object_type = 'Audio';
break;
default:
$object_type = 'Article';
break;
}
break;
case 'page':
$object_type = 'Page';
break;
case 'attachment':
$mime_type = get_post_mime_type();
$media_type = preg_replace( '/(\/[a-zA-Z]+)/i', '', $mime_type );
switch ( $media_type ) {
case 'audio':
$object_type = 'Audio';
break;
case 'video':
$object_type = 'Video';
break;
case 'image':
$object_type = 'Image';
break;
}
break;
default:
$object_type = 'Article';
break;
}
return $object_type;
}
}

19
includes/class-activitypub.php
View file

@ -1,6 +1,17 @@
<?php
/**
* ActivityPub Class
*
* @author Matthias Pfefferle
*/
class Activitypub {
/**
* Return a AS2 JSON version of an author, post or page
*
* @param string $template the path to the template object
*
* @return string the new path to the JSON template
*/
public static function render_json_template( $template ) {
if ( ! is_author() && ! is_singular() ) {
return $template;
@ -14,7 +25,7 @@ class Activitypub {
global $wp_query;
if ( isset( $wp_query->query_vars['activitypub'] ) ) {
if ( isset( $wp_query->query_vars['as2'] ) ) {
return $json_template;
}
@ -65,7 +76,7 @@ class Activitypub {
* won't mangle it.
*/
public static function add_query_vars( $vars ) {
$vars[] = 'activitypub';
$vars[] = 'as2';
return $vars;
}
@ -74,6 +85,6 @@ class Activitypub {
* Add our rewrite endpoint to permalinks and pages.
*/
public static function add_rewrite_endpoint() {
add_rewrite_endpoint( 'activitypub', EP_AUTHORS | EP_PERMALINK | EP_PAGES );
add_rewrite_endpoint( 'as2', EP_AUTHORS | EP_PERMALINK | EP_PAGES );
}
}

121
includes/functions.php
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@ -1,91 +1,40 @@
<?php
function activitypub_post_to_json( $post, $json = null ) {
if ( ! $json ) {
$json = new stdClass();
}
$json->published = date( 'Y-m-d\TH:i:s\Z', strtotime( $post->post_date ) );
$json->id = $post->guid . '&activitypub';
$json->type = 'Create';
$json->actor = get_author_posts_url( $post->post_author );
$json->to = array( 'https://www.w3.org/ns/activitystreams#Public' );
$json->cc = array( 'https://www.w3.org/ns/activitystreams#Public' );
$json->object = array(
'id' => $post->guid,
'type' => activitypub_object_type( $post ),
'published' => date( 'Y-m-d\TH:i:s\Z', strtotime( $post->post_date ) ),
'to' => array( 'https://www.w3.org/ns/activitystreams#Public' ),
'cc' => array( 'https://www.w3.org/ns/activitystreams#Public' ),
'attributedTo' => get_author_posts_url( $post->post_author ),
'summary' => null,
'inReplyTo' => null,
'content' => esc_html( $post->post_content ),
'contentMap' => array(
strstr( get_locale(), '_', true ) => esc_html( $post->post_content ) ,
/**
* Returns the ActivityPub default JSON-context
*
* @return array the activitypub context
*/
function get_activitypub_context() {
$context = array(
'https://www.w3.org/ns/activitystreams',
'https://w3id.org/security/v1',
array(
'manuallyApprovesFollowers' => 'as:manuallyApprovesFollowers',
'sensitive' => 'as:sensitive',
'movedTo' => array(
'@id' => 'as:movedTo',
'@type' => '@id',
),
'Hashtag' => 'as:Hashtag',
'ostatus' => 'http://ostatus.org#',
'atomUri' => 'ostatus:atomUri',
'inReplyToAtomUri' => 'ostatus:inReplyToAtomUri',
'conversation' => 'ostatus:conversation',
'toot' => 'http://joinmastodon.org/ns#',
'Emoji' => 'toot:Emoji',
'focalPoint' => array(
'@container' => '@list',
'@id' => 'toot:focalPoint',
),
'featured' => array(
'@id' => 'toot:featured',
'@type' => '@id',
),
'schema' => 'http://schema.org#',
'PropertyValue' => 'schema:PropertyValue',
'value' => 'schema:value',
),
'attachment' => array(),
'tag' => array(),
);
return $json;
}
/**
* Returns the as2 object for a given post
*
* @param string $type the object type
* @param Object $post the post object
* @return string the object type
*/
function activitypub_object_type( $post ) {
$post_type = get_post_type( $post );
switch ( $post_type ) {
case 'post':
$post_format = get_post_format( $post );
switch ( $post_format ) {
case 'aside':
case 'status':
case 'quote':
case 'note':
$object_type = 'Note';
break;
case 'gallery':
case 'image':
$object_type = 'Image';
break;
case 'video':
$object_type = 'Video';
break;
case 'audio':
$object_type = 'Audio';
break;
default:
$object_type = 'Article';
break;
}
break;
case 'page':
$object_type = 'Page';
break;
case 'attachment':
$mime_type = get_post_mime_type();
$media_type = preg_replace( '/(\/[a-zA-Z]+)/i', '', $mime_type );
switch ( $media_type ) {
case 'audio':
$object_type = 'Audio';
break;
case 'video':
$object_type = 'Video';
break;
case 'image':
$object_type = 'Image';
break;
}
break;
default:
$object_type = 'Article';
break;
}
return $object_type;
return apply_filters( 'activitypub_json_context', $context );
}

12
languages/activitypub.pot
View file

@ -2,9 +2,9 @@
# This file is distributed under the MIT.
msgid ""
msgstr ""
"Project-Id-Version: ActivityPub 1.0.0\n"
"Project-Id-Version: ActivityPub 0.0.2\n"
"Report-Msgid-Bugs-To: https://wordpress.org/support/plugin/activitypub\n"
"POT-Creation-Date: 2018-09-24 18:46:07+00:00\n"
"POT-Creation-Date: 2018-09-30 20:50:08+00:00\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=utf-8\n"
"Content-Transfer-Encoding: 8bit\n"
@ -13,6 +13,14 @@ msgstr ""
"Language-Team: LANGUAGE <LL@li.org>\n"
"X-Generator: grunt-wp-i18n1.0.2\n"
#: includes/class-activitypub-inbox.php:41
msgid "Invalid payload"
msgstr ""
#: includes/class-activitypub-inbox.php:56
msgid "This method is not yet implemented"
msgstr ""
#: includes/class-activitypub-outbox.php:28
#: includes/class-activitypub-outbox.php:30
msgid "User not found"

7
readme.txt
View file

@ -4,7 +4,7 @@ Donate link: https://notiz.blog/donate/
Tags: OStatus, fediverse, activitypub, activitystream
Requires at least: 4.7
Tested up to: 4.9.8
Stable tag: 0.0.1
Stable tag: 0.0.2
Requires PHP: 5.3
License: MIT
License URI: http://opensource.org/licenses/MIT
@ -24,6 +24,11 @@ If you want to have a **decentralized social network**, please use [Mastodon](ht
== Changelog ==
= 0.0.2 =
* refactorins
* functional inbox
= 0.0.1 =
* initial

37
templates/json-author.php
View file

@ -3,37 +3,7 @@ $author_id = get_the_author_meta( 'ID' );
$json = new stdClass();
$json->{'@context'} = array(
'https://www.w3.org/ns/activitystreams',
'https://w3id.org/security/v1',
array(
'manuallyApprovesFollowers' => 'as:manuallyApprovesFollowers',
'sensitive' => 'as:sensitive',
'movedTo' => array(
'@id' => 'as:movedTo',
'@type' => '@id',
),
'Hashtag' => 'as:Hashtag',
'ostatus' => 'http://ostatus.org#',
'atomUri' => 'ostatus:atomUri',
'inReplyToAtomUri' => 'ostatus:inReplyToAtomUri',
'conversation' => 'ostatus:conversation',
'toot' => 'http://joinmastodon.org/ns#',
'Emoji' => 'toot:Emoji',
'focalPoint' => array(
'@container' => '@list',
'@id' => 'toot:focalPoint',
),
'featured' => array(
'@id' => 'toot:featured',
'@type' => '@id',
),
'schema' => 'http://schema.org#',
'PropertyValue' => 'schema:PropertyValue',
'value' => 'schema:value',
),
);
$json->{'@context'} = get_activitypub_context();
$json->id = get_author_posts_url( $author_id );
$json->type = 'Person';
$json->name = get_the_author_meta( 'display_name', $author_id );
@ -56,11 +26,8 @@ if ( has_header_image() ) {
$json->inbox = get_rest_url( null, "/activitypub/1.0/users/$author_id/inbox" );
$json->outbox = get_rest_url( null, "/activitypub/1.0/users/$author_id/outbox" );
//$json->following = get_rest_url( null, "/activitypub/1.0/users/$author_id/following" );
//$json->followers = get_rest_url( null, "/activitypub/1.0/users/$author_id/followers" );
//$json->featured = get_rest_url( null, "/activitypub/1.0/users/$author_id/featured" );
//$json->manuallyApprovesFollowers = apply_filters( 'activitypub_manually_approves_followers', __return_false() ); // phpcs:ignore
$json->manuallyApprovesFollowers = apply_filters( 'activitypub_json_manually_approves_followers', __return_false() ); // phpcs:ignore
if ( method_exists( 'Magic_Sig', 'get_public_key' ) ) {
// phpcs:ignore

37
templates/json-post.php
View file

@ -1,43 +1,10 @@
<?php
$post = get_post();
$json = new stdClass();
$json->{'@context'} = array(
'https://www.w3.org/ns/activitystreams',
'https://w3id.org/security/v1',
array(
'manuallyApprovesFollowers' => 'as:manuallyApprovesFollowers',
'sensitive' => 'as:sensitive',
'movedTo' => array(
'@id' => 'as:movedTo',
'@type' => '@id',
),
'Hashtag' => 'as:Hashtag',
'ostatus' => 'http://ostatus.org#',
'atomUri' => 'ostatus:atomUri',
'inReplyToAtomUri' => 'ostatus:inReplyToAtomUri',
'conversation' => 'ostatus:conversation',
'toot' => 'http://joinmastodon.org/ns#',
'Emoji' => 'toot:Emoji',
'focalPoint' => array(
'@container' => '@list',
'@id' => 'toot:focalPoint',
),
'featured' => array(
'@id' => 'toot:featured',
'@type' => '@id',
),
'schema' => 'http://schema.org#',
'PropertyValue' => 'schema:PropertyValue',
'value' => 'schema:value',
),
);
$post = activitypub_post_to_json( $post, $json );
$activitypub_post = new Activitypub_Post( $post );
// filter output
$json = apply_filters( 'activitypub_json_post_array', $json );
$json = apply_filters( 'activitypub_json_post_array', $activitypub_post->to_json_array( true ) );
/*
* Action triggerd prior to the ActivityPub profile being created and sent to the client