friends = $friends;
$this->register_hooks();
}
/**
* Register the WordPress hooks
*/
private function register_hooks() {
if ( ! function_exists( 'register_block_type' ) ) {
return;
}
if ( function_exists( 'classicpress_version' ) ) {
return;
}
add_action( 'admin_enqueue_scripts', array( $this, 'language_data' ) );
add_filter( 'render_block', array( $this, 'render_friends_block_visibility' ), 10, 2 );
add_filter( 'get_the_excerpt', array( $this, 'current_excerpt_start' ), 9, 2 );
add_filter( 'get_the_excerpt', array( $this, 'current_excerpt_end' ), 11, 2 );
add_filter( 'wp_loaded', array( $this, 'add_block_visibility_attribute' ), 10, 2 );
add_filter( 'template_redirect', array( $this, 'handle_follow_me' ), 10, 2 );
add_action( 'enqueue_block_editor_assets', array( $this, 'register_friends_block_visibility' ) );
add_action( 'init', array( $this, 'register_blocks' ) );
}
/**
* Register our blocks.
*/
public function register_blocks() {
if ( ! function_exists( 'register_block_type_from_metadata' ) ) {
// Blocks is not active.
return;
}
register_block_type_from_metadata(
FRIENDS_PLUGIN_DIR . '/blocks/friends-list',
array(
'render_callback' => array( $this, 'render_friends_list_block' ),
)
);
register_block_type_from_metadata(
FRIENDS_PLUGIN_DIR . '/blocks/friend-posts',
array(
'render_callback' => array( $this, 'render_friend_posts_block' ),
)
);
register_block_type_from_metadata(
FRIENDS_PLUGIN_DIR . '/blocks/follow-me',
array(
'render_callback' => array( $this, 'render_follow_me_block' ),
)
);
register_block_type_from_metadata(
FRIENDS_PLUGIN_DIR . '/blocks/message'
);
}
/**
* Render the Friends List block
*
* @param array $attributes Attributes set by Blocks.
* @return string The new block content.
*/
public function render_friends_list_block( $attributes ) {
if ( ! isset( $attributes['user_types'] ) ) {
$attributes['user_types'] = 'friends';
}
switch ( $attributes['user_types'] ) {
case 'friend_requests':
$friends = User_Query::all_friend_requests();
$no_users = __( "You currently don't have any friend requests.", 'friends' );
break;
case 'friends_subscriptions':
$friends = User_Query::all_associated_users();
$no_users = __( "You don't have any friends or subscriptions yet.", 'friends' );
break;
case 'subscriptions':
$friends = User_Query::all_subscriptions();
$no_users = __( "You don't have any subscriptions yet.", 'friends' );
break;
case 'friends':
default:
$friends = User_Query::all_friends();
$no_users = __( "You don't have any friends yet.", 'friends' );
}
if ( $friends->get_total() === 0 ) {
return '' . $no_users . '';
}
if ( $attributes['users_inline'] ) {
$out = '';
$first = true;
} else {
$out = '';
}
$count = 0;
foreach ( $friends->get_results() as $friend_user ) {
$count += 1;
if ( $attributes['users_inline'] ) {
if ( ! $first ) {
$out .= ', ';
}
$first = false;
} else {
$out .= '- ';
}
if ( friends::has_required_privileges() ) {
$url = $friend_user->get_local_friends_page_url();
} else {
$url = $friend_user->user_url;
}
$out .= sprintf(
'%2$s
',
esc_url( $url ),
esc_html( $friend_user->display_name )
);
if ( ! $attributes['users_inline'] ) {
$out .= '';
}
}
if ( ! $attributes['users_inline'] ) {
$out .= '
';
}
return $out;
}
/**
* Render the Friend Posts block
*
* @param array $attributes Attributes set by Blocks.
* @return string The new block content.
*/
public function render_friend_posts_block( $attributes ) {
$date_formats = array(
'Y m d H' => 'human',
'Y m d' => 'H:i',
'Y w' => 'D j, H:i',
'Y' => 'M j',
'' => 'M j, Y',
);
$last_author = false;
$only_users = array();
if ( isset( $attributes['only_users'] ) ) {
$only_users = array_flip( array_filter( preg_split( '/[, ]+/', $attributes['only_users'] ) ) );
}
$exclude_users = array();
if ( isset( $attributes['exclude_users'] ) ) {
$exclude_users = array_flip( array_filter( preg_split( '/[, ]+/', $attributes['exclude_users'] ) ) );
}
$count = max( 1, min( 100, $attributes['count'] ) );
$remaining = $count;
$offset = 0;
$out = '';
while ( $remaining > 0 ) {
$recent_posts = wp_get_recent_posts(
array(
'numberposts' => $count,
'offset' => $offset,
'post_type' => apply_filters( 'friends_frontend_post_types', array() ),
)
);
if ( count( $recent_posts ) === 0 ) {
break;
}
$offset += $count;
foreach ( $recent_posts as $post ) {
$friend_user = new User( $post['post_author'] );
if ( ! empty( $only_users ) && ! isset( $only_users[ $friend_user->user_login ] ) && ! isset( $only_users[ $friend_user->ID ] ) && ! isset( $only_users[ $friend_user->display_name ] ) ) {
continue;
}
if ( ! empty( $exclude_users ) && isset( $exclude_users[ $friend_user->user_login ] ) && isset( $exclude_users[ $friend_user->ID ] ) && isset( $exclude_users[ $friend_user->display_name ] ) ) {
continue;
}
if ( $remaining <= 0 ) {
break 2;
}
$remaining -= 1;
$author = $friend_user->display_name;
if ( $attributes['author_name'] || $attributes['author_avatar'] || $attributes['author_inline'] ) {
if ( $attributes['author_inline'] || $last_author !== $author ) {
if ( $last_author && ! $attributes['author_inline'] ) {
$out .= '
';
}
$last_author = $author;
$out .= '';
if ( $attributes['author_avatar'] ) {
$out .= ' ) . ')
';
}
if ( $attributes['author_name'] ) {
$out .= esc_html( $author );
}
if ( $attributes['author_inline'] ) {
$out .= ' ';
} else {
$out .= '- ';
}
} else {
$out .= '
- ';
}
} else {
$out .= '
- ';
}
$title = get_the_title( $post['ID'] );
if ( empty( $title ) ) {
$title = get_the_excerpt( $post['ID'] );
}
$out .= sprintf(
'%2$s',
esc_url( $attributes['internal_link'] ? $friend_user->get_local_friends_page_url( $post['ID'] ) : get_permalink( $post['ID'] ) ),
esc_html( $title )
);
if ( $attributes['show_date'] ) {
$post_date = strtotime( $post['post_date_gmt'] );
foreach ( $date_formats as $compare => $date_format ) {
if ( gmdate( $compare ) === gmdate( $compare, $post_date ) ) {
break;
}
}
$out .= ' ';
if ( 'human' === $date_format ) {
/* translators: %s is a time span */
$out .= sprintf( __( '%s ago' ), human_time_diff( $post_date ) ); // phpcs:ignore WordPress.WP.I18n.MissingArgDomain
} else {
$out .= date_i18n( $date_format, strtotime( $post['post_date'] ) );
}
$out .= '';
}
$out .= '
';
}
}
if ( $last_author && ( $attributes['author_name'] || $attributes['author_avatar'] ) && ! $attributes['author_inline'] ) {
$out .= '
';
}
$out .= '';
return $out;
}
/**
* Register the Block Visibility script.
*/
public function register_friends_block_visibility() {
wp_enqueue_script(
'friends-block-visibility',
plugins_url( 'blocks/block-visibility/build/index.js', FRIENDS_PLUGIN_FILE ),
array( 'wp-blocks', 'wp-element', 'wp-i18n', 'wp-editor' ),
Friends::VERSION
);
wp_enqueue_style(
'friends-blocks',
plugins_url( 'friends-blocks.css', FRIENDS_PLUGIN_FILE ),
array(),
Friends::VERSION
);
}
/**
* Adds a block visibility attribute.
*/
public function add_block_visibility_attribute() {
$registered_blocks = \WP_Block_Type_Registry::get_instance()->get_all_registered();
foreach ( $registered_blocks as $block ) {
$block->attributes['friendsVisibility'] = array(
'type' => 'string',
'default' => '',
);
}
}
/**
* Handle the follow me button click.
*/
public function handle_follow_me() {
if ( ! isset( $_REQUEST['friends_friend_request_url'] ) ) {
return;
}
if ( ! wp_verify_nonce( $_REQUEST['_wpnonce'], 'friends_follow_me' ) ) {
wp_safe_redirect( add_query_arg( 'error', __( 'Unable to verify nonce, please try again.', 'friends' ) ) );
exit;
}
$access_transient_key = 'friends_follow_me_' . crc32( $_SERVER['REMOTE_ADDR'] );
$access_count = get_transient( $access_transient_key );
if ( $access_count >= 10 ) {
header( 'HTTP/1.0 529 Too Many Requests' );
wp_die( 'Too Many Requests' );
}
set_transient( $access_transient_key, $access_count + 1, 3600 );
$url = $_REQUEST['friends_friend_request_url'];
$fqdn_regex = '(?=^.{4,253}$)(^((?!-)[a-zA-Z0-9-]{1,63}(? 5,
'redirection' => 5,
'headers' => array(
'Accept: text/html',
),
)
);
if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {
wp_safe_redirect(
add_query_arg(
'error',
sprintf( /* translators: %s is an HTTP status code */
__( 'The server returned an HTTP status: %s', 'friends' ),
wp_remote_retrieve_response_code( $response )
)
)
);
exit;
}
$links = (array) wp_remote_retrieve_header( $response, 'link' );
if ( ! empty( $links ) ) {
$friends_base_url_endpoints = array_filter(
$links,
function ( $link ) {
return preg_match( '/rel="friends-base-url"/', $link );
}
);
if ( ! empty( $friends_base_url_endpoints ) ) {
header( 'Location: ' . $url . '?add-friend=' . urlencode( home_url() ) );
exit;
}
}
// Try again for servers that filter out the Link headers.
$response = wp_safe_remote_get(
$url,
array(
'timeout' => 5,
'redirection' => 5,
)
);
if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {
wp_safe_redirect(
add_query_arg(
'error',
sprintf( /* translators: %s is an HTTP status code */
__( 'The server returned an HTTP status: %s', 'friends' ),
wp_remote_retrieve_response_code( $response )
)
)
);
exit;
}
$content = wp_remote_retrieve_body( $response );
$mf = Mf2\parse( $content, $url );
if ( isset( $mf['rel-urls'] ) ) {
foreach ( $mf['rel-urls'] as $link_url => $link ) {
if ( in_array( 'friends-base-url', $link['rels'] ) ) {
header( 'Location: ' . $link_url . '?add-friend=' . urlencode( home_url() ) );
exit;
}
}
}
header( 'Location: https://wpfriends.at/follow-me?url=' . urlencode( $_REQUEST['friends_friend_request_url'] ) );
exit;
}
/**
* Add a CSRF to the Follow Me block.
*
* @param array $attributes Block attributes.
* @param string $content Block default content.
* @param \WP_Block $block Block instance.
* @return string The rendered content.
*/
public function render_follow_me_block( $attributes, $content, $block ) {
$input = 'current_excerpt ) {
return $content;
}
return '' . __( 'Only friends', 'friends' ) . '' . $content . '';
}
if ( current_user_can( 'friend' ) ) {
return $content;
}
return '';
case 'not-friends':
if ( friends::has_required_privileges() ) {
if ( $this->current_excerpt ) {
return $content;
}
return '' . __( 'Not friends', 'friends' ) . '' . $content . '';
}
if ( current_user_can( 'friend' ) ) {
return '';
}
return $content;
}
return $content;
}
/**
* Remember the current post being excerpted. With this we can change the visibility rendering.
*
* @param string $text The text.
* @param \WP_Post $post The post.
*
* @return string The text.
*/
public function current_excerpt_start( $text = '', $post = null ) {
if ( $post ) {
$this->current_excerpt = $post->ID;
}
return $text;
}
/**
* Stop remembering the current post being excerpted.
*
* @param string $text The text.
* @param \WP_Post $post The post.
*
* @return string The text.
*/
public function current_excerpt_end( $text = '', $post = null ) {
if ( $post && $this->current_excerpt === $post->ID ) {
$this->current_excerpt = null;
}
return $text;
}
/**
* Load up the language data for the Blocks blocks
*/
public function language_data() {
$locale_data = array();
if ( function_exists( 'wp_get_jed_locale_data' ) ) {
$locale_data = wp_get_jed_locale_data( 'friends' );
} elseif ( function_exists( 'blocks_get_jed_locale_data' ) ) {
$locale_data = blocks_get_jed_locale_data( 'friends' );
}
if ( ! empty( $locale_data ) ) {
wp_add_inline_script(
'friends-block-not-friends',
'wp.i18n.setLocaleData( ' . wp_json_encode( $locale_data ) . ', "friends" );',
'before'
);
}
}
}