0.3.0

README.md

@@ -3,8 +3,8 @@
 **Donate link:** https://notiz.blog/donate/  
 **Tags:** OStatus, fediverse, activitypub, activitystream  
 **Requires at least:** 4.7  
-**Tested up to:** 5.0.3  
+**Tested up to:** 5.1.0  
-**Stable tag:** 0.2.1  
+**Stable tag:** 0.3.0  
 **Requires PHP:** 5.6  
 **License:** MIT  
 **License URI:** http://opensource.org/licenses/MIT  
@@ -59,6 +59,8 @@ Project maintained on github at [pfefferle/wordpress-activitypub](https://github
 
 * basic hashtag support
 * temporarily deactived likes and boosts
+* added support for actor objects
+* fixed encoding issue
 
 ### 0.2.1 ###
 

activitypub.php

@@ -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: 0.2.1
+ * Version: 0.3.0
  * Author: Matthias Pfefferle
  * Author URI: https://notiz.blog/
  * License: MIT
@@ -19,11 +19,14 @@ function activitypub_init() {
 	defined( 'ACTIVITYPUB_HASHTAGS_REGEXP' ) || define( 'ACTIVITYPUB_HASHTAGS_REGEXP', '(^|\s|>)#([^\s<>]+)\b' );
 
 	require_once dirname( __FILE__ ) . '/includes/class-activitypub-signature.php';
-	require_once dirname( __FILE__ ) . '/includes/class-activitypub-post.php';
 	require_once dirname( __FILE__ ) . '/includes/class-activitypub-activity.php';
 	require_once dirname( __FILE__ ) . '/includes/class-db-activitypub-followers.php';
 	require_once dirname( __FILE__ ) . '/includes/functions.php';
 
+	require_once dirname( __FILE__ ) . '/includes/class-activitypub-post.php';
+	add_filter( 'activitypub_the_excerpt', array( 'Activitypub_Post', 'add_backlink' ), 10, 2 );
+	add_filter( 'activitypub_the_content', array( 'Activitypub_Post', 'add_backlink' ), 10, 2 );
+
 	require_once dirname( __FILE__ ) . '/includes/class-activitypub.php';
 	add_filter( 'template_include', array( 'Activitypub', 'render_json_template' ), 99 );
 	add_filter( 'query_vars', array( 'Activitypub', 'add_query_vars' ) );

includes/class-activitypub-activity.php

@@ -65,7 +65,7 @@ class Activitypub_Activity {
 	}
 
 	public function to_json() {
-		return wp_json_encode( $this->to_array() );
+		return wp_json_encode( $this->to_array(), JSON_UNESCAPED_UNICODE );
 	}
 
 	public function to_simple_array() {
@@ -79,6 +79,6 @@ class Activitypub_Activity {
 	}
 
 	public function to_simple_json() {
-		return wp_json_encode( $this->to_simple_array() );
+		return wp_json_encode( $this->to_simple_array(), JSON_UNESCAPED_UNICODE );
 	}
 }

includes/class-activitypub-post.php

@@ -27,7 +27,7 @@ class Activitypub_Post {
 			'type' => $this->get_object_type(),
 			'published' => date( 'Y-m-d\TH:i:s\Z', strtotime( $post->post_date ) ),
 			'attributedTo' => get_author_posts_url( $post->post_author ),
-			'summary' => ( $this->get_object_type() == 'Article' ) ? $this->get_the_post_excerpt( 400, false ) : null,
+			'summary' => $this->get_the_summary(),
 			'inReplyTo' => null,
 			'content' => $this->get_the_content(),
 			'contentMap' => array(
@@ -43,7 +43,7 @@ class Activitypub_Post {
 	}
 
 	public function to_json() {
-		return wp_json_encode( $this->to_array() );
+		return wp_json_encode( $this->to_array(), JSON_UNESCAPED_UNICODE );
 	}
 
 	public function get_attachments() {
@@ -196,12 +196,20 @@ class Activitypub_Post {
 
 	public function get_the_content() {
 		if ( 'excerpt' === get_option( 'activitypub_post_content_type', 'excerpt' ) ) {
-			return $this->get_the_post_excerpt();
+			return $this->get_the_post_summary();
 		}
 
 		return $this->get_the_post_content();
 	}
 
+	public function get_the_summary() {
+		if ( 'Article' === $this->get_object_type() ) {
+			return $this->get_the_post_excerpt( 400 );
+		}
+
+		return null;
+	}
+
 	/**
 	 * Get the excerpt for a post for use outside of the loop.
 	 *
@@ -209,7 +217,7 @@ class Activitypub_Post {
 	 *
 	 * @return string The excerpt.
 	 */
-	public function get_the_post_excerpt( $excerpt_length = 400, $with_link = true ) {
+	public function get_the_post_excerpt( $excerpt_length = 400 ) {
 		$post = $this->post;
 
 		$excerpt = get_post_field( 'post_excerpt', $post );
@@ -236,23 +244,7 @@ class Activitypub_Post {
 			}
 		}
 
-		$filtered_excerpt = apply_filters( 'the_excerpt', $excerpt );
+		return html_entity_decode( $excerpt, ENT_QUOTES, 'UTF-8' );
-
-		if ( $with_link ) {
-			$link = '';
-
-			if ( get_option( 'activitypub_use_shortlink', 0 ) ) {
-				$link = esc_url( wp_get_shortlink( $this->post->ID ) );
-			} else {
-				$link = esc_url( get_permalink( $this->post->ID ) );
-			}
-
-			$filtered_excerpt = $filtered_excerpt . "\n\n" . '<a href="' . $link . '">' . $link . '</a>';
-		}
-
-		$allowed_html = apply_filters( 'activitypub_allowed_html', '<a>' );
-
-		return trim( preg_replace( '/[\r\n]{2,}/', "\n\n", strip_tags( $filtered_excerpt, $allowed_html ) ) );
 	}
 
 	/**
@@ -266,21 +258,44 @@ class Activitypub_Post {
 		$content = get_post_field( 'post_content', $post );
 
 		$filtered_content = apply_filters( 'the_content', $content );
+		$filtered_content = apply_filters( 'activitypub_the_content', $filtered_content, $this->post );
 
-		if ( $with_link ) {
+		$decoded_content = html_entity_decode( $filtered_content, ENT_QUOTES, 'UTF-8' );
-			$link = '';
-
-			if ( get_option( 'activitypub_use_shortlink', 0 ) ) {
-				$link = esc_url( wp_get_shortlink( $this->post->ID ) );
-			} else {
-				$link = esc_url( get_permalink( $this->post->ID ) );
-			}
-
-			$filtered_content = $filtered_content . "\n\n" . '<a href="' . $link . '">' . $link . '</a>';
-		}
 
 		$allowed_html = apply_filters( 'activitypub_allowed_html', '<a>' );
 
-		return trim( preg_replace( '/[\r\n]{2,}/', "\n\n", strip_tags( $filtered_content, $allowed_html ) ) );
+		return trim( preg_replace( '/[\r\n]{2,}/', "\n\n", strip_tags( $decoded_content, $allowed_html) ) );
+	}
+
+	/**
+	 * Get the excerpt for a post for use outside of the loop.
+	 *
+	 * @param int     Optional excerpt length.
+	 *
+	 * @return string The excerpt.
+	 */
+	public function get_the_post_summary( $summary_length = 400 ) {
+		$summary = $this->get_the_post_excerpt( $summary_length );
+
+		$filtered_summary = apply_filters( 'the_excerpt', $summary );
+		$filtered_summary = apply_filters( 'activitypub_the_summary', $filtered_summary, $this->post );
+
+		$decoded_summary = html_entity_decode( $filtered_summary, ENT_QUOTES, 'UTF-8' );
+
+		$allowed_html = apply_filters( 'activitypub_allowed_html', '<a>' );
+
+		return trim( preg_replace( '/[\r\n]{2,}/', "\n\n", strip_tags( $decoded_summary, $allowed_html) ) );
+	}
+
+	public static function add_backlink( $content, $post ) {
+		$link = '';
+
+		if ( get_option( 'activitypub_use_shortlink', 0 ) ) {
+			$link = esc_url( wp_get_shortlink( $post->ID ) );
+		} else {
+			$link = esc_url( get_permalink( $post->ID ) );
+		}
+
+		return $content . "\n\n" . '<a href="' . $link . '">' . $link . '</a>';
 	}
 }

includes/class-db-activitypub-followers.php

@@ -9,6 +9,22 @@ class Db_Activitypub_Followers {
 	public static function add_follower( $actor, $author_id ) {
 		$followers = get_user_option( 'activitypub_followers', $author_id );
 
+		if ( ! is_string( $actor ) ) {
+			if (
+				is_array( $actor ) &&
+				isset( $actor['type'] ) &&
+				'Person' === $actor['type'] &&
+				isset( $actor['id'] ) &&
+				true === filter_var( $actor['id'], FILTER_VALIDATE_URL )
+			) {
+				$actor = $actor['id'];
+			}
+
+			return new WP_Error( 'invalid_actor_object', __( 'Unknown Actor schema', 'activitypub' ), array(
+				'status' => 404
+			) );
+		}
+
 		if ( ! is_array( $followers ) ) {
 			$followers = array( $actor );
 		} else {

languages/activitypub.pot

@@ -2,9 +2,9 @@
 # This file is distributed under the MIT.
 msgid ""
 msgstr ""
-"Project-Id-Version: ActivityPub 0.2.1\n"
+"Project-Id-Version: ActivityPub 0.3.0\n"
 "Report-Msgid-Bugs-To: https://wordpress.org/support/plugin/activitypub\n"
-"POT-Creation-Date: 2019-01-22 20:17:45+00:00\n"
+"POT-Creation-Date: 2019-02-02 22:55:56+00:00\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -65,6 +65,10 @@ msgstr ""
 msgid "Fediverse"
 msgstr ""
 
+#: includes/class-db-activitypub-followers.php:23
+msgid "Unknown Actor schema"
+msgstr ""
+
 #: includes/class-rest-activitypub-followers.php:24
 #: includes/class-rest-activitypub-followers.php:26
 #: includes/class-rest-activitypub-outbox.php:35

readme.txt

@@ -3,8 +3,8 @@ Contributors: pfefferle
 Donate link: https://notiz.blog/donate/
 Tags: OStatus, fediverse, activitypub, activitystream
 Requires at least: 4.7
-Tested up to: 5.0.3
+Tested up to: 5.1.0
-Stable tag: 0.2.1
+Stable tag: 0.3.0
 Requires PHP: 5.6
 License: MIT
 License URI: http://opensource.org/licenses/MIT
@@ -59,6 +59,8 @@ Project maintained on github at [pfefferle/wordpress-activitypub](https://github
 
 * basic hashtag support
 * temporarily deactived likes and boosts
+* added support for actor objects
+* fixed encoding issue
 
 = 0.2.1 =
 

templates/json-author.php

@@ -93,6 +93,8 @@ if ( get_query_var( 'pretty' ) ) {
 	$options |= JSON_PRETTY_PRINT; // phpcs:ignore
 }
 
+$options |= JSON_UNESCAPED_UNICODE;
+
 /*
  * Options to be passed to json_encode()
  *

templates/json-post.php

@@ -19,6 +19,8 @@ if ( get_query_var( 'pretty' ) ) {
 	$options |= JSON_PRETTY_PRINT; // phpcs:ignore
 }
 
+$options |= JSON_UNESCAPED_UNICODE;
+
 /*
  * Options to be passed to json_encode()
  *