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<?php
/**
* Shortcodes class file.
*
* @package Activitypub
*/
namespace Activitypub;
/**
* Shortcodes class.
*/
class Shortcodes {
/**
* Register the shortcodes.
*/
public static function register() {
foreach ( \get_class_methods( self::class ) as $shortcode ) {
if ( 'init' !== $shortcode ) {
\add_shortcode( 'ap_' . $shortcode, array( self::class, $shortcode ) );
}
}
}
/**
* Unregister the shortcodes.
*/
public static function unregister() {
foreach ( \get_class_methods( self::class ) as $shortcode ) {
if ( 'init' !== $shortcode ) {
\remove_shortcode( 'ap_' . $shortcode );
}
}
}
/**
* Generates output for the 'ap_hashtags' shortcode.
*
* @return string The post tags as hashtags.
*/
public static function hashtags() {
$item = self::get_item();
if ( ! $item ) {
return '';
}
$tags = \get_the_tags( $item->ID );
if ( ! $tags ) {
return '';
}
$hash_tags = array();
foreach ( $tags as $tag ) {
// Tag can be empty.
if ( ! $tag ) {
continue;
}
$hash_tags[] = \sprintf(
'<a rel="tag" class="hashtag u-tag u-category" href="%s">%s</a>',
\esc_url( \get_tag_link( $tag ) ),
esc_hashtag( $tag->name )
);
}
return \implode( ' ', $hash_tags );
}
/**
* Generates output for the 'ap_title' Shortcode
*
* @param array $attributes The Shortcode attributes.
* @param string $content The ActivityPub post-content.
* @param string $tag The tag/name of the Shortcode.
*
* @return string The post title.
*/
public static function title( $attributes, $content, $tag ) {
$item = self::get_item();
if ( ! $item ) {
return '';
}
$title = \wp_strip_all_tags( \get_the_title( $item->ID ), true );
if ( ! $title ) {
return '';
}
$attributes = \shortcode_atts(
array( 'type' => 'plain' ),
$attributes,
$tag
);
if ( 'html' !== $attributes['type'] ) {
return $title;
}
return \sprintf( '<h2>%s</h2>', $title );
}
/**
* Generates output for the 'ap_excerpt' Shortcode
*
* @param array $attributes The Shortcode attributes.
* @param string $content The ActivityPub post-content.
* @param string $tag The tag/name of the Shortcode.
*
* @return string The post excerpt.
*/
public static function excerpt( $attributes, $content, $tag ) {
$item = self::get_item();
if ( ! $item ) {
return '';
}
$attributes = \shortcode_atts(
array( 'length' => ACTIVITYPUB_EXCERPT_LENGTH ),
$attributes,
$tag
);
$excerpt_length = \intval( $attributes['length'] );
if ( 0 === $excerpt_length ) {
$excerpt_length = ACTIVITYPUB_EXCERPT_LENGTH;
}
$excerpt = generate_post_summary( $item, $excerpt_length );
/** This filter is documented in wp-includes/post-template.php */
return \apply_filters( 'the_excerpt', $excerpt );
}
/**
* Generates output for the 'ap_content' Shortcode.
*
* @param array $attributes The Shortcode attributes.
* @param string $content The ActivityPub post-content.
* @param string $tag The tag/name of the Shortcode.
*
* @return string The post content.
*/
public static function content( $attributes, $content, $tag ) {
$item = self::get_item();
if ( ! $item ) {
return '';
}
// Prevent inception.
\remove_shortcode( 'ap_content' );
$attributes = \shortcode_atts(
array( 'apply_filters' => 'yes' ),
$attributes,
$tag
);
$content = '';
if ( 'attachment' === $item->post_type ) {
// Get title of attachment with fallback to alt text.
$content = \wp_get_attachment_caption( $item->ID );
if ( empty( $content ) ) {
$content = \get_post_meta( $item->ID, '_wp_attachment_image_alt', true );
}
}
if ( empty( $content ) ) {
$content = \get_post_field( 'post_content', $item );
}
if ( 'yes' === $attributes['apply_filters'] ) {
/** This filter is documented in wp-includes/post-template.php */
$content = \apply_filters( 'the_content', $content );
} else {
if ( site_supports_blocks() ) {
$content = \do_blocks( $content );
}
$content = \wptexturize( $content );
$content = \wp_filter_content_tags( $content );
}
$content = \strip_shortcodes( $content );
$content = Sanitize::clean_html( $content );
$content = Sanitize::strip_whitespace( $content );
\add_shortcode( 'ap_content', array( 'Activitypub\Shortcodes', 'content' ) );
return $content;
}
/**
* Generates output for the 'ap_permalink' Shortcode.
*
* @param array $attributes The Shortcode attributes.
* @param string $content The ActivityPub post-content.
* @param string $tag The tag/name of the Shortcode.
*
* @return string The post permalink.
*/
public static function permalink( $attributes, $content, $tag ) {
$item = self::get_item();
if ( ! $item ) {
return '';
}
$attributes = \shortcode_atts(
array(
'type' => 'url',
),
$attributes,
$tag
);
if ( 'html' !== $attributes['type'] ) {
return \esc_url( \get_permalink( $item->ID ) );
}
return \sprintf(
'<a href="%1$s" class="status-link unhandled-link">%1$s</a>',
\esc_url( \get_permalink( $item->ID ) )
);
}
/**
* Generates output for the 'ap_shortlink' Shortcode.
*
* @param array $attributes The Shortcode attributes.
* @param string $content The ActivityPub post-content.
* @param string $tag The tag/name of the Shortcode.
*
* @return string The post shortlink.
*/
public static function shortlink( $attributes, $content, $tag ) {
$item = self::get_item();
if ( ! $item ) {
return '';
}
$attributes = \shortcode_atts(
array(
'type' => 'url',
),
$attributes,
$tag
);
if ( 'html' !== $attributes['type'] ) {
return \esc_url( \wp_get_shortlink( $item->ID ) );
}
return \sprintf(
'<a href="%1$s" class="status-link unhandled-link">%1$s</a>',
\esc_url( \wp_get_shortlink( $item->ID ) )
);
}
/**
* Generates output for the 'ap_image' Shortcode.
*
* @param array $attributes The Shortcode attributes.
* @param string $content The ActivityPub post-content.
* @param string $tag The tag/name of the Shortcode.
*
* @return string
*/
public static function image( $attributes, $content, $tag ) {
$item = self::get_item();
if ( ! $item ) {
return '';
}
$attributes = \shortcode_atts(
array(
'type' => 'full',
),
$attributes,
$tag
);
$size = 'full';
if ( \in_array(
$attributes['type'],
array( 'thumbnail', 'medium', 'large', 'full' ),
true
) ) {
$size = $attributes['type'];
}
$image = \get_the_post_thumbnail_url( $item->ID, $size );
if ( ! $image ) {
return '';
}
return \esc_url( $image );
}
/**
* Generates output for the 'ap_hashcats' Shortcode.
*
* @deprecated 7.0.0
*
* @return string The post categories as hashtags.
*/
public static function hashcats() {
return '';
}
/**
* Generates output for the 'ap_author' Shortcode.
*
* @return string The author name.
*/
public static function author() {
$item = self::get_item();
if ( ! $item ) {
return '';
}
$author_id = \get_post_field( 'post_author', $item->ID );
$name = \get_the_author_meta( 'display_name', $author_id );
if ( ! $name ) {
return '';
}
return \wp_strip_all_tags( $name );
}
/**
* Generates output for the 'ap_authorurl' Shortcode.
*
* @return string The author URL.
*/
public static function authorurl() {
$item = self::get_item();
if ( ! $item ) {
return '';
}
$author_id = \get_post_field( 'post_author', $item->ID );
$url = \get_the_author_meta( 'user_url', $author_id );
if ( ! $url ) {
return '';
}
return \esc_url( $url );
}
/**
* Generates output for the 'ap_blogurl' Shortcode.
*
* @return string The site URL.
*/
public static function blogurl() {
return \esc_url( \get_bloginfo( 'url' ) );
}
/**
* Generates output for the 'ap_blogname' Shortcode.
*
* @return string
*/
public static function blogname() {
return \wp_strip_all_tags( \get_bloginfo( 'name' ) );
}
/**
* Generates output for the 'ap_blogdesc' Shortcode.
*
* @return string The site description.
*/
public static function blogdesc() {
return \wp_strip_all_tags( \get_bloginfo( 'description' ) );
}
/**
* Generates output for the 'ap_date' Shortcode.
*
* @return string The post date.
*/
public static function date() {
$item = self::get_item();
if ( ! $item ) {
return '';
}
$datetime = \get_post_datetime( $item );
$dateformat = \get_option( 'date_format' );
$date = $datetime->format( $dateformat );
if ( ! $date ) {
return '';
}
return $date;
}
/**
* Generates output for the 'ap_time' Shortcode.
*
* @return string The post time.
*/
public static function time() {
$item = self::get_item();
if ( ! $item ) {
return '';
}
$datetime = \get_post_datetime( $item );
$date = $datetime->format( \get_option( 'time_format' ) );
if ( ! $date ) {
return '';
}
return $date;
}
/**
* Generates output for the 'ap_datetime' Shortcode.
*
* @return string The post date/time.
*/
public static function datetime() {
$item = self::get_item();
if ( ! $item ) {
return '';
}
$datetime = \get_post_datetime( $item );
$date_format = \get_option( 'date_format' );
$time_format = \get_option( 'time_format' );
$date = $datetime->format( $date_format . ' @ ' . $time_format );
if ( ! $date ) {
return '';
}
return $date;
}
/**
* Get a WordPress item to federate.
*
* Checks if item (WP_Post) is "public", a supported post type
* and not password protected.
*
* @return null|\WP_Post The WordPress item.
*/
protected static function get_item() {
$post = \get_post();
if ( ! $post ) {
return null;
}
if ( 'publish' !== \get_post_status( $post ) ) {
return null;
}
if ( \post_password_required( $post ) ) {
return null;
}
if ( ! \in_array( \get_post_type( $post ), \get_post_types_by_support( 'activitypub' ), true ) ) {
return null;
}
return $post;
}
}