post = \get_post( $post );
$this->post_author = $this->post->post_author;
$this->id = $this->generate_id();
$this->summary = $this->generate_the_title();
$this->content = $this->generate_the_content();
$this->attachments = $this->generate_attachments();
$this->tags = $this->generate_tags();
$this->object_type = $this->generate_object_type();
}
$shortcodes = array( 'ap_title', 'ap_excerpt', 'ap_content', 'ap_permalink', 'ap_shortlink', 'ap_hashtags', 'ap_thumbnail', 'ap_image', 'ap_hashcats', 'ap_author', 'ap_authorurl', 'ap_blogurl', 'ap_blogname', 'ap_blogdesc', 'ap_date', 'ap_time', 'ap_datetime' );
foreach( $shortcodes as $tag ) {
add_shortcode( $tag, [ $this, 'shortcode_content' ] );
}
}
public function __call( $method, $params ) {
$var = \strtolower( \substr( $method, 4 ) );
if ( \strncasecmp( $method, 'get', 3 ) === 0 ) {
return $this->$var;
}
if ( \strncasecmp( $method, 'set', 3 ) === 0 ) {
$this->$var = $params[0];
}
}
public function to_array() {
$post = $this->post;
$array = array(
'id' => $this->id,
'type' => $this->object_type,
'published' => \gmdate( 'Y-m-d\TH:i:s\Z', \strtotime( $post->post_date_gmt ) ),
'attributedTo' => \get_author_posts_url( $post->post_author ),
'summary' => $this->summary,
'inReplyTo' => null,
'content' => $this->content,
'contentMap' => array(
\strstr( \get_locale(), '_', true ) => $this->content,
),
'to' => array( 'https://www.w3.org/ns/activitystreams#Public' ),
'cc' => array( 'https://www.w3.org/ns/activitystreams#Public' ),
'attachment' => $this->attachments,
'tag' => $this->tags,
);
return \apply_filters( 'activitypub_post', $array );
}
public function to_json() {
return \wp_json_encode( $this->to_array(), \JSON_HEX_TAG | \JSON_HEX_AMP | \JSON_HEX_QUOT );
}
public function generate_id() {
$post = $this->post;
if ( 'trash' === get_post_status( $post ) ) {
$permalink = \get_post_meta( $post->ID, 'activitypub_canonical_url', true );
} else {
$permalink = \get_permalink( $post );
}
return $permalink;
}
public function generate_attachments() {
$max_images = intval( \apply_filters( 'activitypub_max_image_attachments', \get_option( 'activitypub_max_image_attachments', ACTIVITYPUB_MAX_IMAGE_ATTACHMENTS ) ) );
$images = array();
// max images can't be negative or zero
if ( $max_images <= 0 ) {
return $images;
}
$id = $this->post->ID;
$image_ids = array();
// list post thumbnail first if this post has one
if ( \function_exists( 'has_post_thumbnail' ) && \has_post_thumbnail( $id ) ) {
$image_ids[] = \get_post_thumbnail_id( $id );
$max_images--;
}
if ( $max_images > 0 ) {
// then list any image attachments
$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 ) {
$alt = \get_post_meta( $id, '_wp_attachment_image_alt', true );
$thumbnail = \wp_get_attachment_image_src( $id, 'full' );
$mimetype = \get_post_mime_type( $id );
if ( $thumbnail ) {
$image = array(
'type' => 'Image',
'url' => $thumbnail[0],
'mediaType' => $mimetype,
);
if ( $alt ) {
$image['name'] = $alt;
}
$images[] = $image;
}
}
return $images;
}
public function generate_tags() {
$tags = array();
$post_tags = \get_the_tags( $this->post->ID );
if ( $post_tags ) {
foreach ( $post_tags as $post_tag ) {
$tag = array(
'type' => 'Hashtag',
'href' => \get_tag_link( $post_tag->term_id ),
'name' => '#' . $post_tag->slug,
);
$tags[] = $tag;
}
}
return $tags;
}
/**
* 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 generate_object_type() {
if ( 'wordpress-post-format' !== \get_option( 'activitypub_object_type', 'note' ) ) {
return \ucfirst( \get_option( 'activitypub_object_type', 'note' ) );
}
$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;
}
/**
* Outputs the shortcode content.
*
* @param array $atts the attributes of the shortcode
* @param string $content the content between opening and closing shortcodes
* @param string $tag the name of the shortcode being processed
*
*/
public function shortcode_content( $atts, $content, $tag ) {
$tag = strtolower( $tag );
$post = $this->post;
switch( $tag ) {
case 'ap_title':
echo \get_the_title( $post->ID );
break;
case 'ap_excerpt':
$length = ACTIVITYPUB_EXCERPT_LENGTH;
if( is_array( $atts ) && array_key_exists( 'length', $atts ) ) {
$length = intval( $atts['length'] );
}
if( $length == 0 ) { $length = ACTIVITYPUB_EXCERPT_LENGTH; }
echo $this->get_the_post_excerpt( $length );
break;
case 'ap_content':
echo $this->get_the_post_content();
break;
case 'ap_permalink':
echo $this->get_the_post_link( 'permalink' );
break;
case 'ap_shortlink':
echo $this->get_the_post_link( 'shortlink' );
break;
case 'ap_hashtags':
echo $this->get_the_post_hashtags();
break;
case 'ap_thumbnail':
echo $this->get_the_post_image( 'thumbnail' );
break;
case 'ap_image':
echo $this->get_the_post_image();
break;
case 'ap_hashcats':
echo $this->get_the_post_categories();
break;
case 'ap_author':
echo $this->get_the_post_author();
break;
case 'ap_authorurl':
echo $this->get_the_post_author_url();
break;
case 'ap_blogurl':
echo \get_bloginfo('url');
break;
case 'ap_blogname':
echo \get_bloginfo('name');
break;
case 'ap_blogdesc':
echo \get_bloginfo('description');
break;
case 'ap_date':
echo $this->get_the_post_date( 'time' );
break;
case 'ap_time':
echo $this->get_the_post_date( 'date' );
break;
case 'ap_datetime':
echo $this->get_the_post_date( 'both' );
break;
}
}
/**
* Generates the content for the activitypub item.
*
* @return string the content
*/
public function generate_the_content() {
$post = $this->post;
$content = $this->get_post_content_template();
// Fill in the shortcodes.
$content = do_shortcode( $content );
$content = \trim( \preg_replace( '/[\r\n]{2,}/', '', $content ) );
$filtered_content = \apply_filters( 'activitypub_the_content', $content, $this->post );
$decoded_content = \html_entity_decode( $filtered_content, \ENT_QUOTES, 'UTF-8' );
$allowed_html = \apply_filters( 'activitypub_allowed_html', \get_option( 'activitypub_allowed_html', ACTIVITYPUB_ALLOWED_HTML ) );
if ( $allowed_html ) {
return \strip_tags( $decoded_content, $allowed_html );
}
return $decoded_content;
}
/**
* Gets the template to use to generate the content of the activitypub item.
*
* @return string the template
*/
public function get_post_content_template() {
if ( 'excerpt' === \get_option( 'activitypub_post_content_type', 'content' ) ) {
return "[ap_excerpt]\n\n[ap_permalink]
";
}
if ( 'title' === \get_option( 'activitypub_post_content_type', 'content' ) ) {
return "[ap_title]
\n\n[ap_permalink]
";
}
if ( 'content' === \get_option( 'activitypub_post_content_type', 'content' ) ) {
return "[ap_content]\n\n[ap_hashtags]
\n\n[ap_permalink]
";
}
// Upgrade from old template codes to shortcodes.
$content = $this->upgrade_post_content_template();
return $content;
}
/**
* Updates the custom template to use shortcodes instead of the deprecated templates.
*
* @return string the updated template content
*/
public function upgrade_post_content_template() {
// Get the custom template.
$old_content = \get_option( 'activitypub_custom_post_content', ACTIVITYPUB_CUSTOM_POST_CONTENT );
// If the old content exists but is a blank string, we're going to need a flag to updated it even
// after setting it to the default contents.
$need_update = false;
// If the old contents is blank, use the defaults.
if( $old_content == "" ) { $old_content = ACTIVITYPUB_CUSTOM_POST_CONTENT; $need_update = true; }
// Set the new content to be the old content.
$content = $old_content;
// Convert old templates to shortcodes.
$content = \str_replace( '%title%', '[ap_title]', $content );
$content = \str_replace( '%excerpt%', '[ap_excerpt]', $content );
$content = \str_replace( '%content%', '[ap_content]', $content );
$content = \str_replace( '%permalink%', '[ap_permalink]', $content );
$content = \str_replace( '%shortlink%', '[ap_shortlink]', $content );
$content = \str_replace( '%hashtags%', '[ap_hashtags]', $content );
$content = \str_replace( '%tags%', '[ap_hashtags]', $content );
// Store the new template if required.
if( $content != $old_content || $need_update ) {
\update_option( 'activitypub_custom_post_content', $content );
}
return $content;
}
/**
* 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_excerpt( $excerpt_length = ACTIVITYPUB_EXCERPT_LENGTH ) {
$post = $this->post;
$excerpt = \get_post_field( 'post_excerpt', $post );
if ( '' === $excerpt ) {
$content = \get_post_field( 'post_content', $post );
// An empty string will make wp_trim_excerpt do stuff we do not want.
if ( '' !== $content ) {
$excerpt = \strip_shortcodes( $content );
/** This filter is documented in wp-includes/post-template.php */
$excerpt = \apply_filters( 'the_content', $excerpt );
$excerpt = \str_replace( ']]>', ']]>', $excerpt );
$excerpt_length = \apply_filters( 'excerpt_length', $excerpt_length );
/** This filter is documented in wp-includes/formatting.php */
$excerpt_more = \apply_filters( 'excerpt_more', ' [...]' );
$excerpt = \wp_trim_words( $excerpt, $excerpt_length, $excerpt_more );
}
}
return \apply_filters( 'the_excerpt', $excerpt );
}
/**
* Get the content for a post for use outside of the loop.
*
* @return string The content.
*/
public function get_the_post_content() {
$post = $this->post;
$content = \get_post_field( 'post_content', $post );
return \apply_filters( 'the_content', $content );
}
/**
* Adds a backlink to the post/summary content
*
* @param string $type
*
* @return string
*/
public function get_the_post_link( $type = 'permalink' ) {
$post = $this->post;
if ( 'shortlink' === $type ) {
$link = \esc_url( \wp_get_shortlink( $post->ID ) );
} elseif ( 'permalink' === $type ) {
$link = \esc_url( \get_permalink( $post->ID ) );
} else {
return '';
}
return \sprintf( '%1$s', $link );
}
/**
* Adds all tags as hashtags to the post/summary content
*
* @return string
*/
public function get_the_post_hashtags() {
$post = $this->post;
$tags = \get_the_tags( $post->ID );
if ( ! $tags ) {
return '';
}
$hash_tags = array();
foreach ( $tags as $tag ) {
$hash_tags[] = \sprintf( '#%s', \get_tag_link( $tag ), $tag->slug );
}
return \implode( ' ', $hash_tags );
}
/**
* Adds the featured image url to the post/summary content
*
* @param string $size
*
* @return string
*/
public function get_the_post_image( $size = 'full' ) {
$post = $this->post;
if( $size == '' ) { $size = 'full'; }
$image = \get_the_post_thumbnail_url( $post->ID, $size );
if ( ! $image ) {
return '';
}
return $image;
}
/**
* Adds all categories as hashtags to the post/summary content
*
* @return string
*/
public function get_the_post_categories() {
$post = $this->post;
$categories = \get_the_category( $post->ID );
if ( ! $categories ) {
return '';
}
$hash_tags = array();
foreach ( $categories as $category ) {
$hash_tags[] = \sprintf( '#%s', \get_category_link( $category ), $category->slug );
}
return \implode( ' ', $hash_tags );
}
/**
* Adds author to the post/summary content
*
* @return string
*/
public function get_the_post_author() {
$post = $this->post;
$name = \get_the_author_meta( 'display_name', $post->post_author );
if ( ! $name ) {
return '';
}
return $name;
}
/**
* Adds author's url to the post/summary content
*
* @return string
*/
public function get_the_post_profile_url() {
$post = $this->post;
$url = \get_the_author_meta( 'user_url', $post->post_author );
if ( ! $url ) {
return '';
}
return $url;
}
/**
* Adds the post date/time to the post/summary content
*
* @param string display
*
* @return string
*/
public function get_the_post_date( $display = 'both' ) {
$post = $this->post;
$datetime = \get_post_datetime( $post );
$dateformat = \get_option( 'date_format' );
$timeformat = \get_option( 'time_format' );
switch( $display ) {
case 'date':
$date = $datetime->format( $dateformat );
break;
case 'time':
$date = $datetime->format( $timeformat );
break;
default:
$date = $datetime->format( $dateformat . ' @ ' . $timeformat );
break;
}
if ( ! $date ) {
return '';
}
return $date;
}
}