Event-Federation/wordpress-activitypub
Event-Federation/wordpress-activitypub
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Start adding support for outgoing mentions

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This commit is contained in:
Alex Kirk 2022-12-08 21:23:19 +01:00
parent ddbcd44b6f
commit b5c4f473de
4 changed files with 159 additions and 3 deletions
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23
includes/class-activity-dispatcher.php
View file

@ -23,17 +23,36 @@ class Activity_Dispatcher {
*
* @param \Activitypub\Model\Post $activitypub_post
*/
public static function send_post_activity( $activitypub_post ) {
public static function send_post_activity( Model\Post $activitypub_post ) {
// get latest version of post
$user_id = $activitypub_post->get_post_author();
$activitypub_activity = new \Activitypub\Model\Activity( 'Create', \Activitypub\Model\Activity::TYPE_FULL );
$activitypub_activity->from_post( $activitypub_post->to_array() );
$activitypub_activity->from_post( $activitypub_post );
$sent = array();
foreach ( \Activitypub\get_follower_inboxes( $user_id ) as $inbox => $to ) {
$sent[ $to ] = true;
$activitypub_activity->set_to( $to );
$activity = $activitypub_activity->to_json(); // phpcs:ignore
\Activitypub\safe_remote_post( $inbox, $activity, $user_id );
}
$followers_url = \get_rest_url( null, '/activitypub/1.0/users/' . intval( $user_id ) . '/followers' );
foreach ( $activitypub_activity->get_cc() as $cc ) {
if ( $cc === $followers_url ) {
continue;
}
$inbox = \Activitypub\get_inbox_by_actor( $cc );
if ( ! $inbox || \is_wp_error( $inbox ) ) {
continue;
}
if ( isset( $sent[ $cc ] ) ) {
continue;
}
$sent[ $cc ] = true;
$activity = $activitypub_activity->to_json(); // phpcs:ignore
\Activitypub\safe_remote_post( $inbox, $activity, $user_id );
}
}

10
includes/model/class-activity.php
View file

@ -45,16 +45,24 @@ class Activity {
}
}
public function from_post( $object ) {
public function from_post( Post $post ) {
$object = apply_filters( 'activitypub_from_post_array', $post->to_array() );
$this->object = $object;
if ( isset( $object['published'] ) ) {
$this->published = $object['published'];
}
$this->cc = array( \get_rest_url( null, '/activitypub/1.0/users/' . intval( $post->get_post_author() ) . '/followers' ) );
if ( isset( $object['attributedTo'] ) ) {
$this->actor = $object['attributedTo'];
}
$mentions = apply_filters( 'activitypub_extract_mentions', array(), $post );
foreach ( $mentions as $mention ) {
$this->cc[] = $mention;
}
$type = \strtolower( $this->type );
if ( isset( $object['id'] ) ) {

97
tests/test-class-activitypub-activity-dispatcher.php Normal file
View file

@ -0,0 +1,97 @@
<?php
class Test_Activitypub_Activity_Dispatcher extends WP_UnitTestCase {
public static $users = array();
public function test_dispatch_mentions() {
$post = \wp_insert_post(
array(
'post_author' => 1,
'post_content' => '@alex hello',
)
);
self::$users['https://example.com/alex'] = array(
'url' => 'https://example.com/alex',
'inbox' => 'https://example.com/alex/inbox',
'name' => 'alex',
);
add_filter(
'activitypub_extract_mentions',
function( $mentions ) {
$mentions[] = 'https://example.com/alex';
return $mentions;
},
10
);
$pre_http_request = new MockAction();
add_filter( 'pre_http_request', array( $pre_http_request, 'filter' ), 10, 3 );
$activitypub_post = new \Activitypub\Model\Post( $post );
\Activitypub\Activity_Dispatcher::send_post_activity( $activitypub_post );
$this->assertSame( 1, $pre_http_request->get_call_count() );
$all_args = $pre_http_request->get_args();
$first_call_args = $all_args[0];
$this->assertEquals( 'https://example.com/alex/inbox', $first_call_args[2] );
remove_all_filters( 'activitypub_from_post_object' );
remove_filter( 'pre_http_request', array( $pre_http_request, 'filter' ), 10 );
}
public function set_up() {
parent::set_up();
add_filter( 'pre_http_request', array( get_called_class(), 'pre_http_request' ), 10, 3 );
add_filter( 'http_response', array( get_called_class(), 'http_response' ), 10, 3 );
add_filter( 'http_request_host_is_external', array( get_called_class(), 'http_request_host_is_external' ), 10, 2 );
add_filter( 'http_request_args', array( get_called_class(), 'http_request_args' ), 10, 2 );
add_filter( 'pre_get_remote_metadata_by_actor', array( get_called_class(), 'pre_get_remote_metadata_by_actor' ), 10, 2 );
_delete_all_posts();
}
public function tear_down() {
remove_filter( 'pre_http_request', array( get_called_class(), 'pre_http_request' ) );
remove_filter( 'http_response', array( get_called_class(), 'http_response' ) );
remove_filter( 'http_request_host_is_external', array( get_called_class(), 'http_request_host_is_external' ) );
remove_filter( 'http_request_args', array( get_called_class(), 'http_request_args' ) );
remove_filter( 'pre_get_remote_metadata_by_actor', array( get_called_class(), 'pre_get_remote_metadata_by_actor' ) );
parent::tear_down();
}
public static function pre_get_remote_metadata_by_actor( $pre, $actor ) {
if ( isset( self::$users[ $actor ] ) ) {
return self::$users[ $actor ];
}
return $pre;
}
public static function http_request_host_is_external( $in, $host ) {
if ( in_array( $host, array( 'example.com', 'example.org' ), true ) ) {
return true;
}
return $in;
}
public static function http_request_args( $args, $url ) {
if ( in_array( parse_url( $url, PHP_URL_HOST ), array( 'example.com', 'example.org' ), true ) ) {
$args['reject_unsafe_urls'] = false;
}
return $args;
}
public static function pre_http_request( $preempt, $request, $url ) {
return array(
'headers' => array(
'content-type' => 'text/json',
),
'body' => '',
'response' => array(
'code' => 202,
),
);
}
public static function http_response( $response, $args, $url ) {
return $response;
}
}

32
tests/test-class-activitypub-activity.php Normal file
View file

@ -0,0 +1,32 @@
<?php
class Test_Activitypub_Activity extends WP_UnitTestCase {
public function test_activity_mentions() {
$post = \wp_insert_post(
array(
'post_author' => 1,
'post_content' => '@alex hello',
)
);
add_filter(
'activitypub_extract_mentions',
function( $mentions, $post ) {
$mentions[] = 'https://example.com/alex';
return $mentions;
},
10,
2
);
$activitypub_post = new \Activitypub\Model\Post( $post );
$activitypub_activity = new \Activitypub\Model\Activity( 'Create', \Activitypub\Model\Activity::TYPE_FULL );
$activitypub_activity->from_post( $activitypub_post );
$this->assertContains( \get_rest_url( null, '/activitypub/1.0/users/1/followers' ), $activitypub_activity->get_cc() );
$this->assertContains( 'https://example.com/alex', $activitypub_activity->get_cc() );
remove_all_filters( 'activitypub_from_post_object' );
\wp_trash_post( $post );
}
}