updated plugin ActivityPub
version 3.3.3
This commit is contained in:
@ -1,96 +1,68 @@
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<?php
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/**
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* Mention class file.
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*
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* @package Activitypub
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*/
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namespace Activitypub;
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use WP_Error;
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use Activitypub\Webfinger;
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use function Activitypub\object_to_uri;
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/**
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* ActivityPub Mention Class
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* ActivityPub Mention Class.
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*
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* @author Alex Kirk
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*/
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class Mention {
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/**
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* Initialize the class, registering WordPress hooks
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* Initialize the class, registering WordPress hooks.
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*/
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public static function init() {
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\add_filter( 'the_content', array( self::class, 'the_content' ), 99, 1 );
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\add_filter( 'comment_text', array( self::class, 'the_content' ), 10, 1 );
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\add_filter( 'activitypub_extra_field_content', array( self::class, 'the_content' ), 10, 1 );
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\add_filter( 'activitypub_extract_mentions', array( self::class, 'extract_mentions' ), 99, 2 );
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\add_filter( 'activitypub_activity_object_array', array( self::class, 'filter_activity_object' ), 99 );
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}
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/**
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* Filter to replace the mentions in the content with links
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* Filter only the activity object and replace summery it with URLs
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* add tag to user.
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*
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* @param string $the_content the post-content
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* @param array $object_array Array of activity.
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*
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* @return string the filtered post-content
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* @return array The activity object array.
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*/
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public static function filter_activity_object( $object_array ) {
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if ( ! empty( $object_array['summary'] ) ) {
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$object_array['summary'] = self::the_content( $object_array['summary'] );
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}
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if ( ! empty( $object_array['content'] ) ) {
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$object_array['content'] = self::the_content( $object_array['content'] );
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}
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return $object_array;
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}
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/**
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* Filter to replace the mentions in the content with links.
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*
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* @param string $the_content The post content.
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*
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* @return string The filtered post-content.
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*/
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public static function the_content( $the_content ) {
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// small protection against execution timeouts: limit to 1 MB
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if ( mb_strlen( $the_content ) > MB_IN_BYTES ) {
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return $the_content;
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}
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$tag_stack = array();
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$protected_tags = array(
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'pre',
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'code',
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'textarea',
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'style',
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'a',
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);
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$content_with_links = '';
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$in_protected_tag = false;
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foreach ( wp_html_split( $the_content ) as $chunk ) {
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if ( preg_match( '#^<!--[\s\S]*-->$#i', $chunk, $m ) ) {
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$content_with_links .= $chunk;
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continue;
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}
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if ( preg_match( '#^<(/)?([a-z-]+)\b[^>]*>$#i', $chunk, $m ) ) {
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$tag = strtolower( $m[2] );
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if ( '/' === $m[1] ) {
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// Closing tag.
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$i = array_search( $tag, $tag_stack );
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// We can only remove the tag from the stack if it is in the stack.
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if ( false !== $i ) {
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$tag_stack = array_slice( $tag_stack, 0, $i );
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}
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} else {
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// Opening tag, add it to the stack.
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$tag_stack[] = $tag;
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}
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// If we're in a protected tag, the tag_stack contains at least one protected tag string.
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// The protected tag state can only change when we encounter a start or end tag.
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$in_protected_tag = array_intersect( $tag_stack, $protected_tags );
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// Never inspect tags.
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$content_with_links .= $chunk;
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continue;
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}
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if ( $in_protected_tag ) {
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// Don't inspect a chunk inside an inspected tag.
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$content_with_links .= $chunk;
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continue;
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}
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// Only reachable when there is no protected tag in the stack.
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$content_with_links .= \preg_replace_callback( '/@' . ACTIVITYPUB_USERNAME_REGEXP . '/', array( self::class, 'replace_with_links' ), $chunk );
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}
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return $content_with_links;
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return enrich_content_data( $the_content, '/@' . ACTIVITYPUB_USERNAME_REGEXP . '/', array( self::class, 'replace_with_links' ) );
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}
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/**
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* A callback for preg_replace to build the user links
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* A callback for preg_replace to build the user links.
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*
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* @param array $result the preg_match results
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* @param array $result The preg_match results.
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*
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* @return string the final string
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* @return string The final string.
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*/
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public static function replace_with_links( $result ) {
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$metadata = get_remote_metadata_by_actor( $result[0] );
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@ -117,11 +89,11 @@ class Mention {
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}
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/**
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* Get the Inboxes for the mentioned Actors
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* Get the Inboxes for the mentioned Actors.
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*
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* @param array $mentioned The list of Actors that were mentioned
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* @param array $mentioned The list of Actors that were mentioned.
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*
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* @return array The list of Inboxes
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* @return array The list of Inboxes.
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*/
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public static function get_inboxes( $mentioned ) {
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$inboxes = array();
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@ -138,11 +110,11 @@ class Mention {
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}
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/**
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* Get the inbox from the Remote-Profile of a mentioned Actor
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* Get the inbox from the Remote-Profile of a mentioned Actor.
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*
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* @param string $actor The Actor-URL
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* @param string $actor The Actor URL.
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*
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* @return string The Inbox-URL
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* @return string|WP_Error The Inbox-URL or WP_Error if not found.
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*/
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public static function get_inbox_by_mentioned_actor( $actor ) {
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$metadata = get_remote_metadata_by_actor( $actor );
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@ -151,7 +123,7 @@ class Mention {
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return $metadata;
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}
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if ( isset( $metadata['endpoints'] ) && isset( $metadata['endpoints']['sharedInbox'] ) ) {
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if ( isset( $metadata['endpoints']['sharedInbox'] ) ) {
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return $metadata['endpoints']['sharedInbox'];
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}
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@ -165,10 +137,10 @@ class Mention {
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/**
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* Extract the mentions from the post_content.
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*
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* @param array $mentions The already found mentions.
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* @param array $mentions The already found mentions.
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* @param string $post_content The post content.
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*
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* @return mixed The discovered mentions.
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* @return array The discovered mentions.
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*/
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public static function extract_mentions( $mentions, $post_content ) {
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\preg_match_all( '/@' . ACTIVITYPUB_USERNAME_REGEXP . '/i', $post_content, $matches );
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@ -178,6 +150,6 @@ class Mention {
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$mentions[ $match ] = $link;
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}
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}
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return $mentions;
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return \array_unique( $mentions );
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}
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}
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