862 lines
No EOL
22 KiB
PHP
862 lines
No EOL
22 KiB
PHP
<?php
|
|
/*
|
|
Plugin Name: wp-webmention-again
|
|
Plugin URI: https://github.com/petermolnar/wp-webmention-again
|
|
Description:
|
|
Version: 0.1
|
|
Author: Peter Molnar <hello@petermolnar.eu>
|
|
Author URI: http://petermolnar.eu/
|
|
License: GPLv3
|
|
Required minimum PHP version: 5.3
|
|
*/
|
|
|
|
|
|
if (!class_exists('WP_WEBMENTION_AGAIN')):
|
|
|
|
// global send_webmention function
|
|
//if (!function_exists('send_webmention')) {
|
|
//function send_webmention( $source, $target ) {
|
|
//return WP_WEBMENTION_AGAIN::send( $source, $target );
|
|
//}
|
|
//}
|
|
|
|
if ( !class_exists('Mf2\Parser') ) {
|
|
require (__DIR__ . '/vendor/autoload.php');
|
|
}
|
|
|
|
if (!class_exists('EmojiRecognizer')) {
|
|
require (__DIR__ . '/vendor/dissolve/single-emoji-recognizer/src/emoji.php');
|
|
}
|
|
|
|
class WP_WEBMENTION_AGAIN {
|
|
|
|
const meta_received = '_webmention_received';
|
|
const cron_received = 'webmention_received';
|
|
const interval_received = 90;
|
|
|
|
const meta_send = '_webmention_send';
|
|
const cron_send = 'webmention_send';
|
|
const interval_send = 90;
|
|
|
|
const endp = 'webmentions_again';
|
|
|
|
public function __construct() {
|
|
|
|
//add_action( 'parse_query', array( &$this, 'receive' ) );
|
|
|
|
//add_action( 'wp_head', array( &$this, 'html_header' ), 99 );
|
|
//add_action( 'send_headers', array( &$this, 'http_header' ) );
|
|
|
|
add_action( 'init', array( &$this, 'init'));
|
|
|
|
// this is mostly for debugging reasons
|
|
register_activation_hook( __FILE__ , array( &$this, 'plugin_activate' ) );
|
|
// clear schedules if there's any on deactivation
|
|
//register_deactivation_hook( __FILE__ , array( &$this, 'plugin_deactivate' ) );
|
|
|
|
// register the action for processing received
|
|
add_action( static::cron_received, array( &$this, 'process_received' ) );
|
|
|
|
// register action for sending
|
|
//add_action( static::cron_send, array( &$this, 'process_send' ) );
|
|
|
|
}
|
|
|
|
/**
|
|
* init hook
|
|
*/
|
|
public function init() {
|
|
// add webmention endpoint to query vars
|
|
//add_filter( 'query_vars', array( &$this, 'query_var' ) );
|
|
|
|
// extend current cron schedules with our entry
|
|
add_filter( 'cron_schedules', array(&$this, 'add_cron_schedule' ));
|
|
|
|
if (!wp_get_schedule( static::cron_received )) {
|
|
wp_schedule_event( time(), 'daily', static::cron_received );
|
|
}
|
|
|
|
// additional comment types
|
|
add_action('admin_comment_types_dropdown', array(&$this, 'comment_types_dropdown'));
|
|
|
|
// because this needs one more filter
|
|
add_filter('get_avatar_comment_types', array( &$this, 'add_comment_types'));
|
|
|
|
// additional avatar filter
|
|
add_filter( 'get_avatar' , array(&$this, 'get_avatar'), 1, 5 );
|
|
|
|
}
|
|
|
|
/**
|
|
* activation hook
|
|
*/
|
|
public function plugin_activate() {
|
|
if ( version_compare( phpversion(), 5.3, '<' ) ) {
|
|
die( 'The minimum PHP version required for this plugin is 5.3' );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* deactivation hook
|
|
*/
|
|
public function plugin_deactivate () {
|
|
//static::debug('deactivating');
|
|
//wp_unschedule_event( time(), __CLASS__ );
|
|
//wp_clear_scheduled_hook( __CLASS__ );
|
|
}
|
|
|
|
|
|
/**
|
|
* add our own schedule
|
|
*
|
|
* @param array $schedules - current schedules list
|
|
*
|
|
* @return array $schedules - extended schedules list
|
|
*/
|
|
public function add_cron_schedule ( $schedules ) {
|
|
|
|
$schedules[ static::cron_received ] = array(
|
|
'interval' => static::interval_received,
|
|
'display' => sprintf(__( 'every %d seconds' ), static::interval_received )
|
|
);
|
|
|
|
$schedules[ static::cron_send ] = array(
|
|
'interval' => static::interval_send,
|
|
'display' => sprintf(__( 'every %d seconds' ), static::interval_send )
|
|
);
|
|
|
|
return $schedules;
|
|
}
|
|
|
|
/**
|
|
*
|
|
*/
|
|
public function html_header () {
|
|
$endpoint = site_url( '?'. static::endp .'=endpoint' );
|
|
|
|
// backwards compatibility with v0.1
|
|
echo '<link rel="http://webmention.org/" href="' . $endpoint . '" />' . "\n";
|
|
echo '<link rel="webmention" href="' . $endpoint . '" />' . "\n";
|
|
}
|
|
|
|
/**
|
|
*
|
|
*/
|
|
public function http_header() {
|
|
$endpoint = site_url( '?'. static::endp .'=endpoint' );
|
|
|
|
// backwards compatibility with v0.1
|
|
header( 'Link: <' . $endpoint . '>; rel="http://webmention.org/"', false );
|
|
header( 'Link: <' . $endpoint . '>; rel="webmention"', false );
|
|
}
|
|
|
|
/**
|
|
* add webmention to accepted query vars
|
|
*
|
|
* @param array $vars
|
|
*
|
|
* @return array extended vars
|
|
*/
|
|
public function query_var($vars) {
|
|
$vars[] = static::endp;
|
|
return $vars;
|
|
}
|
|
|
|
/**
|
|
*
|
|
*/
|
|
public static function get_options () {
|
|
$options = get_option(__CLASS__);
|
|
|
|
if (isset($options['comment_types']) && is_array($options['comment_types']))
|
|
$options['comment_types'] = array_merge($options['comment_types'], static::mftypes());
|
|
else
|
|
$options['comment_types'] = static::mftypes();
|
|
|
|
return $options;
|
|
}
|
|
|
|
/**
|
|
*
|
|
*/
|
|
public static function set_options ( &$options ) {
|
|
return update_option( __CLASS__ , $options );
|
|
}
|
|
|
|
|
|
/**
|
|
*
|
|
*/
|
|
public static function register_reacji ($reacji) {
|
|
$options = static::get_options();
|
|
|
|
if (!in_array($reacji, $options['comment_types'])) {
|
|
$options['comment_types'][$reacji] = $reacji;
|
|
static::set_options($options);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Extend the "filter by comment type" of in the comments section
|
|
* of the admin interface with all of our methods
|
|
*
|
|
* @param array $types the different comment types
|
|
*
|
|
* @return array the filtered comment types
|
|
*/
|
|
public function comment_types_dropdown($types) {
|
|
$options = static::get_options();
|
|
|
|
foreach ($options['comment_types'] as $type => $fancy ) {
|
|
if (!isset($types[ $type ]))
|
|
$types[ $type ] = ucfirst( $type );
|
|
}
|
|
return $types;
|
|
}
|
|
|
|
/**
|
|
*
|
|
*/
|
|
public function add_comment_types ( $types ) {
|
|
$options = static::get_options();
|
|
|
|
foreach ($options['comment_types'] as $type => $fancy ) {
|
|
if (!in_array( $type, $types ))
|
|
array_push( $types, $type );
|
|
}
|
|
|
|
return $types;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* parse incoming webmention endpoint requests
|
|
* main 'receiver' worker
|
|
*
|
|
* @param mixed $wp WordPress Query
|
|
*/
|
|
public function receive( $wp ) {
|
|
|
|
// check if it is a webmention request or not
|
|
if ( ! array_key_exists( static::endp, $wp->query_vars ) )
|
|
return false;
|
|
|
|
// plain text header
|
|
header( 'Content-Type: text/plain; charset=' . get_option( 'blog_charset' ) );
|
|
|
|
// check if source url is transmitted
|
|
if ( ! isset( $_POST['source'] ) ) {
|
|
status_header( 400 );
|
|
echo '"source" is missing';
|
|
exit;
|
|
}
|
|
|
|
// check if target url is transmitted
|
|
if ( ! isset( $_POST['target'] ) ) {
|
|
status_header( 400 );
|
|
echo '"target" is missing';
|
|
exit;
|
|
}
|
|
|
|
$target = filter_var($_POST['target'], FILTER_SANITIZE_URL);
|
|
$source = filter_var($_POST['source'], FILTER_SANITIZE_URL);
|
|
|
|
if ( filter_var($target, FILTER_VALIDATE_URL) === false ) {
|
|
status_header( 400 );
|
|
echo '"target" is an invalid URL';
|
|
exit;
|
|
}
|
|
|
|
if ( filter_var($source, FILTER_VALIDATE_URL) === false ) {
|
|
status_header( 400 );
|
|
echo '"source" is an invalid URL';
|
|
exit;
|
|
}
|
|
|
|
$post_id = static::validate_local($target);
|
|
if (!$post_id || $post_id == 0) {
|
|
status_header( 404 );
|
|
echo '"target" not found.';
|
|
exit;
|
|
}
|
|
|
|
// queue here, the remote check will be async
|
|
$r = static::queue($source, $target, $post_id);
|
|
|
|
if ($r) {
|
|
status_header( 202 );
|
|
echo 'Webmention accepted in the queue.';
|
|
}
|
|
else {
|
|
status_header( 503 );
|
|
echo 'Something went wrong; please try again later!';
|
|
}
|
|
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
*
|
|
*/
|
|
public function get_received () {
|
|
global $wpdb;
|
|
$r = array();
|
|
|
|
$dbname = "{$wpdb->prefix}postmeta";
|
|
$key = static::meta_received;
|
|
$db_command = "SELECT DISTINCT `post_id` FROM `{$dbname}` WHERE `meta_key` = '{$key}' LIMIT 10";
|
|
|
|
static::debug($db_command);
|
|
static::debug('fetching current mentions');
|
|
try {
|
|
$q = $wpdb->get_results($db_command);
|
|
}
|
|
catch (Exception $e) {
|
|
static::debug('Something went wrong: ' . $e->getMessage());
|
|
}
|
|
|
|
if (!empty($q) && is_array($q)) {
|
|
foreach ($q as $post) {
|
|
$r[] = $post->post_id;
|
|
}
|
|
}
|
|
|
|
return $r;
|
|
}
|
|
|
|
/**
|
|
* worker method for doing received webmentions
|
|
* works in 10 post per cron run, reschedules itself after that
|
|
*
|
|
*/
|
|
public function process_received () {
|
|
|
|
$posts = static::get_received();
|
|
|
|
if (empty($posts)) {
|
|
|
|
// re-schedule ourselves, but delay
|
|
return true;
|
|
}
|
|
|
|
foreach ($posts as $post_id ) {
|
|
$received_mentions = get_post_meta ($post_id, static::meta_received, false);
|
|
|
|
static::debug('todo: ' . json_encode($received_mentions));
|
|
foreach ($received_mentions as $m) {
|
|
// $m should not be modified as this is how the current entry can be identified!
|
|
$_m = $m;
|
|
|
|
static::debug("working on webmention for post #{$post_id}");
|
|
|
|
// this really should not happen, but if it does, get rid of this entry immediately
|
|
if (!isset($_m['target']) || empty($_m['target']) || !isset($_m['source']) || empty($_m['source'])) {
|
|
static::debug(" target or souce empty, aborting");
|
|
continue;
|
|
}
|
|
else {
|
|
static::debug(" target: {$_m['target']}, source: {$_m['source']}");
|
|
}
|
|
|
|
// if we'be been here before, we have retried counter already
|
|
$retries = isset($_m['retries']) ? intval($_m['retries']) : 0;
|
|
|
|
// too many retries, drop this mention and walk away
|
|
if ($retries >= 500) {
|
|
static::debug(" this mention was tried earlier at least 5 times, drop it");
|
|
continue;
|
|
}
|
|
else {
|
|
$_m['retries'] = $retries + 1;
|
|
}
|
|
|
|
// validate target
|
|
$parsed = static::try_get_remote( $post_id, $_m['source'], $_m['target'] );
|
|
|
|
// parsing didn't go well, try again later
|
|
if ($parsed === false) {
|
|
static::debug(" parsing this mention failed, retrying next time");
|
|
update_post_meta($post_id, static::meta_received, $_m, $m);
|
|
//add_post_meta($post->ID, static::meta_received, $m, false);
|
|
continue;
|
|
}
|
|
|
|
static::debug(" it looks like we're done, and this webmention was added as a comment");
|
|
}
|
|
}
|
|
|
|
// re-schedule ourselves immediately, we may not be finished with the mentions
|
|
// delete_post_meta($post->ID, static::meta_received, $m);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* remote
|
|
*/
|
|
public static function try_get_remote ( &$post_id, &$source, &$target ) {
|
|
|
|
$content = false;
|
|
static::debug(" fetching {$source}");
|
|
$url = htmlspecialchars_decode($source);
|
|
$q = wp_remote_get($source);
|
|
|
|
if (is_wp_error($q)) {
|
|
static::debug(' something went wrong: ' . $q->get_error_message());
|
|
return false;
|
|
}
|
|
|
|
if (!is_array($q)) {
|
|
static::debug(' $q is not an array. It should be one.');
|
|
return false;
|
|
}
|
|
|
|
if (!isset($q['headers']) || !is_array($q['headers'])) {
|
|
static::debug(' missing response headers.');
|
|
return false;
|
|
}
|
|
|
|
if (!isset($q['body']) || empty($q['body'])) {
|
|
static::debug(' missing body');
|
|
return false;
|
|
}
|
|
|
|
$t = $target;
|
|
$t = preg_replace('/https?:\/\/(?:www.)?/', '', $t);
|
|
$t = preg_replace('/#.*/', '', $t);
|
|
$t = untrailingslashit($t);
|
|
|
|
// check if source really links to target
|
|
// this could be a temporary error, so we'll retry later this one as well
|
|
if (!stristr($q['body'],$t)) {
|
|
static::debug(" missing link to {$t} in remote body");
|
|
return false;
|
|
}
|
|
|
|
$ctype = isset($q['headers']['content-type']) ? $q['headers']['content-type'] : 'text/html';
|
|
|
|
if ($ctype == "text/plain") {
|
|
static::debug(" interesting, plain text webmention. I'm not prepared for this yet");
|
|
return false;
|
|
}
|
|
elseif ($ctype == "application/json") {
|
|
static::debug(" content is JSON");
|
|
$content = json_decode($q['body'], true);
|
|
}
|
|
else {
|
|
static::debug(" content is (probably) html, trying to parse it with MF2");
|
|
try {
|
|
$content = Mf2\parse($q['body'], $url);
|
|
}
|
|
catch (Exception $e) {
|
|
static::debug(' parsing MF2 failed:' . $e->getMessage());
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!empty($content))
|
|
$c = static::try_parse_comment( $post_id, $source, $target, $content );
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
*
|
|
*/
|
|
public static function try_parse_comment ( &$post_id, &$source, &$target, &$raw ) {
|
|
$hentry = false;
|
|
|
|
$content = static::mf2_unarray($raw);
|
|
|
|
if (empty($content) || !is_array($content) || !isset($content['items']) || empty($content['items'])) {
|
|
static::debug(' nothing to parse :(');
|
|
return false;
|
|
}
|
|
|
|
$item = false;
|
|
$p_authors = array();
|
|
// un-arrayed
|
|
if (isset($content['items']['properties']) && isset($content['items']['type'])) {
|
|
$item = $content['items'];
|
|
if (!isset($item['type']) || ($item['type'] != 'h-entry')) {
|
|
static::debug(' no parseable h-entry found, saving as standard mention comment');
|
|
return true;
|
|
}
|
|
}
|
|
elseif (is_array($content['items']) && !empty($content['items']['type'])) {
|
|
foreach ($content['items'] as $i) {
|
|
if ($i['type'] == 'h-entry') {
|
|
$item = $i;
|
|
}
|
|
elseif ($i['type'] == 'h-card') {
|
|
$p_authors[] = $i;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!$item || empty($item)) {
|
|
static::debug(' no parseable h-entry found, saving as standard mention comment');
|
|
return true;
|
|
}
|
|
|
|
// process author
|
|
$author_name = $author_url = $avatar = $a = false;
|
|
|
|
if (isset($item['properties']['author'])) {
|
|
$a = $item['properties']['author'];
|
|
}
|
|
elseif (!empty($p_authors)) {
|
|
$a = array_pop($p_authors);
|
|
}
|
|
|
|
if ($a && isset($a['properties'])) {
|
|
$a = $a['properties'];
|
|
|
|
if (isset($a['name']) && !empty($a['name']))
|
|
$author_name = $a['name'];
|
|
|
|
$try_photos = array ('photo', 'avatar');
|
|
$p = false;
|
|
foreach ($try_photos as $photo) {
|
|
if (isset($a[$photo]) && !empty($a[$photo])) {
|
|
$p = $a[$photo];
|
|
if (!empty($p)) {
|
|
$avatar = $p;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isset($a['url']) && !empty($a['url'])) {
|
|
if (is_array($a['url']))
|
|
$author_url = array_pop($a['url']);
|
|
else
|
|
$author_url = $a['url'];
|
|
}
|
|
|
|
$author = $a;
|
|
}
|
|
|
|
// process type
|
|
$type = 'comment';
|
|
|
|
foreach ( static::mftypes() as $k => $mapped) {
|
|
if (is_array($item['properties']) && isset($item['properties'][$mapped]))
|
|
$type = $k;
|
|
}
|
|
|
|
//process content
|
|
$c = '';
|
|
if (isset($item['properties']['content']) && isset($item['properties']['content']['html']))
|
|
$c = $item['properties']['content']['html'];
|
|
if (isset($item['properties']['content']) && isset($item['properties']['content']['value']))
|
|
$c = wp_filter_kses($item['properties']['content']['value']);
|
|
|
|
// REACJI
|
|
$emoji = EmojiRecognizer::isSingleEmoji($c);
|
|
|
|
if ($emoji) {
|
|
static::debug('wheeeee, reacji!');
|
|
$type = trim($c);
|
|
static::register_reacji( $type );
|
|
}
|
|
|
|
// process date
|
|
if (isset($item['properties']['modified']))
|
|
$date = strtotime($item['properties']['modified']);
|
|
elseif (isset($item['properties']['published']))
|
|
$date = strtotime($item['properties']['published']);
|
|
else
|
|
$date = time();
|
|
|
|
$name = empty($author_name) ? $source : $author_name;
|
|
$url = empty($author_url) ? $source : $author_url;
|
|
|
|
$c = array (
|
|
'comment_author' => $name,
|
|
'comment_author_url' => $url,
|
|
'comment_author_email' => '',
|
|
'comment_post_ID' => $post_id,
|
|
'comment_type' => $type,
|
|
'comment_date' => date("Y-m-d H:i:s", $date ),
|
|
'comment_date_gmt' => date("Y-m-d H:i:s", $date ),
|
|
'comment_agent' => __CLASS__,
|
|
'comment_approved' => 0,
|
|
'comment_content' => $c,
|
|
);
|
|
|
|
return static::insert_comment ($post_id, $source, $target, $c, $raw, $avatar );
|
|
}
|
|
|
|
/**
|
|
* Comment inserter
|
|
*
|
|
* @param string &$post_id post ID
|
|
* @param array &$comment array formatted to match a WP Comment requirement
|
|
* @param mixed &$raw Raw format of the comment, like JSON response from the provider
|
|
* @param string &$avatar Avatar string to be stored as comment meta
|
|
*
|
|
*/
|
|
public static function insert_comment ( &$post_id, &$source, &$target, &$comment, &$raw, &$avatar = '' ) {
|
|
|
|
$comment_id = false;
|
|
|
|
// safety first
|
|
$comment['comment_author_email'] = filter_var ( $comment['comment_author_email'], FILTER_SANITIZE_EMAIL );
|
|
$comment['comment_author_url'] = filter_var ( $comment['comment_author_url'], FILTER_SANITIZE_URL );
|
|
$comment['comment_author'] = filter_var ( $comment['comment_author'], FILTER_SANITIZE_STRING);
|
|
|
|
//test if we already have this imported
|
|
$testargs = array(
|
|
'author_url' => $comment['comment_author_url'],
|
|
'post_id' => $post_id,
|
|
);
|
|
|
|
// so if the type is comment and you add type = 'comment', WP will not return the comments
|
|
// such logical!
|
|
if ( $comment['comment_type'] != 'comment')
|
|
$testargs['type'] = $comment['comment_type'];
|
|
|
|
// in case it's a fav or a like, the date field is not always present
|
|
// but there should be only one of those, so the lack of a date field indicates
|
|
// that we should not look for a date when checking the existence of the
|
|
// comment
|
|
if ( isset( $comment['comment_date']) && !empty($comment['comment_date']) ) {
|
|
// in case you're aware of a nicer way of doing this, please tell me
|
|
// or commit a change...
|
|
|
|
$tmp = explode ( " ", $comment['comment_date'] );
|
|
$d = explode( "-", $tmp[0]);
|
|
$t = explode (':',$tmp[1]);
|
|
|
|
$testargs['date_query'] = array(
|
|
'year' => $d[0],
|
|
'monthnum' => $d[1],
|
|
'day' => $d[2],
|
|
'hour' => $t[0],
|
|
'minute' => $t[1],
|
|
'second' => $t[2],
|
|
);
|
|
|
|
//$testargs['date_query'] = $comment['comment_date'];
|
|
|
|
//test if we already have this imported
|
|
static::debug("checking comment existence (with date) for post #{$post_id}");
|
|
}
|
|
else {
|
|
// we do need a date
|
|
$comment['comment_date'] = date("Y-m-d H:i:s");
|
|
$comment['comment_date_gmt'] = date("Y-m-d H:i:s");
|
|
|
|
static::debug("checking comment existence (no date) for post #{$post_id}");
|
|
}
|
|
|
|
$existing = get_comments($testargs);
|
|
|
|
// no matching comment yet, insert it
|
|
if (!empty($existing)) {
|
|
static::debug ('comment already exists');
|
|
return true;
|
|
}
|
|
|
|
// disable flood control, just in case
|
|
remove_filter('check_comment_flood', 'check_comment_flood_db', 10, 3);
|
|
$comment = apply_filters( 'preprocess_comment', $comment );
|
|
|
|
if ( $comment_id = wp_new_comment($comment) ) {
|
|
|
|
// add avatar for later use if present
|
|
if (!empty($avatar)) {
|
|
update_comment_meta( $comment_id, 'avatar', $avatar );
|
|
}
|
|
|
|
// full raw response for the vote, just in case
|
|
update_comment_meta( $comment_id, 'webmention_source_mf2', $raw );
|
|
|
|
// info
|
|
$r = "new comment inserted for {$post_id} as #{$comment_id}";
|
|
|
|
// notify author
|
|
wp_notify_postauthor( $comment_id );
|
|
}
|
|
else {
|
|
$r = "something went wrong when trying to insert comment for post #{$post_id}";
|
|
}
|
|
|
|
// re-add flood control
|
|
add_filter('check_comment_flood', 'check_comment_flood_db', 10, 3);
|
|
|
|
static::debug($r);
|
|
return $comment_id;
|
|
}
|
|
|
|
|
|
/**
|
|
*
|
|
*/
|
|
public static function queue ($source, $target, $post_id) {
|
|
if(empty($post_id) || empty($source) || empty($target))
|
|
return false;
|
|
|
|
$val = array (
|
|
'source' => $source,
|
|
'target' => $target
|
|
);
|
|
|
|
static::debug ("queueing {static::meta_received} meta for #{$post_id}; source: {$source}, target: {$target}");
|
|
$r = add_post_meta($post_id, static::meta_received, $val, false);
|
|
|
|
if ($r == false )
|
|
static::debug ("adding {static::meta_received} meta for #{$post_id} failed");
|
|
|
|
return $r;
|
|
}
|
|
|
|
/**
|
|
* validated a URL that is supposed to be on our site
|
|
*
|
|
* @param string $url URL to check against
|
|
*
|
|
* @return bool|int false on not found, int post_id on found
|
|
*/
|
|
public static function validate_local ( $url ) {
|
|
// normalize url scheme, url_to_postid will take care of it anyway
|
|
$url = preg_replace( '/^https?:\/\//i', 'http://', $url );
|
|
return url_to_postid( $url );
|
|
}
|
|
|
|
/**
|
|
* debug messages; will only work if WP_DEBUG is on
|
|
* or if the level is LOG_ERR, but that will kill the process
|
|
*
|
|
* @param string $message
|
|
* @param int $level
|
|
*/
|
|
public static function debug( $message, $level = LOG_NOTICE ) {
|
|
if ( @is_array( $message ) || @is_object ( $message ) )
|
|
$message = json_encode($message);
|
|
|
|
|
|
switch ( $level ) {
|
|
case LOG_ERR :
|
|
wp_die( '<h1>Error:</h1>' . '<p>' . $message . '</p>' );
|
|
exit;
|
|
default:
|
|
if ( !defined( 'WP_DEBUG' ) || WP_DEBUG != true )
|
|
return;
|
|
break;
|
|
}
|
|
|
|
error_log( __CLASS__ . ": " . $message );
|
|
}
|
|
|
|
/**
|
|
*
|
|
*/
|
|
public static function mfmap ( $mf2 ) {
|
|
$map = static::mftypes();
|
|
|
|
foreach ($map as $k => $mapped) {
|
|
if (is_array( $mf2) && isset($mf2[$mapped]))
|
|
return $k;
|
|
}
|
|
|
|
// fallback
|
|
return 'comment';
|
|
}
|
|
|
|
public static function mftypes () {
|
|
$map = array (
|
|
// http://indiewebcamp.com/reply
|
|
'reply' => 'in-reply-to',
|
|
// http://indiewebcamp.com/repost
|
|
'repost' => 'repost-of',
|
|
// http://indiewebcamp.com/like
|
|
'like' => 'like-of',
|
|
// http://indiewebcamp.com/favorite
|
|
//'' => array ('favorite','',),
|
|
// http://indiewebcamp.com/bookmark
|
|
'bookmark' => 'bookmark-of',
|
|
// http://indiewebcamp.com/rsvp
|
|
'rsvp' => 'rsvp',
|
|
// http://indiewebcamp.com/tag
|
|
'tag' => 'tag-of',
|
|
);
|
|
|
|
return $map;
|
|
}
|
|
|
|
/**
|
|
*
|
|
*/
|
|
public static function mf2_unarray ( $mf2 ) {
|
|
|
|
if (is_array($mf2) && count($mf2) == 1) {
|
|
$mf2 = array_pop($mf2);
|
|
}
|
|
|
|
if (is_array($mf2)) {
|
|
foreach($mf2 as $key => $value) {
|
|
$mf2[$key] = static::mf2_unarray($value);
|
|
}
|
|
}
|
|
|
|
return $mf2;
|
|
}
|
|
/**
|
|
*
|
|
*/
|
|
//public static function extract_urls( &$text ) {
|
|
//$matches = array();
|
|
//preg_match_all("/\b(?:http|https)\:\/\/?[a-zA-Z0-9\.\/\?\:@\-_=#]+\.[a-zA-Z0-9\.\/\?\:@\-_=#]*/i", $text, $matches);
|
|
|
|
//$matches = $matches[0];
|
|
//return $matches;
|
|
//}
|
|
|
|
/**
|
|
* validates a post object if it really is a post
|
|
*
|
|
* @param object Wordpress Post Object to check
|
|
*
|
|
* @return bool true if it's a post, false if not
|
|
*/
|
|
public static function is_post ( &$post ) {
|
|
if ( !empty($post) && is_object($post) && isset($post->ID) && !empty($post->ID) )
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* of there is a comment meta 'avatar' field, use that as avatar for the commenter
|
|
*
|
|
* @param string $avatar the current avatar image string
|
|
* @param mixed $id_or_email this could be anything that triggered the avatar all
|
|
* @param string $size size for the image to display
|
|
* @param string $default optional fallback
|
|
* @param string $alt alt text for the avatar image
|
|
*/
|
|
public static function get_avatar($avatar, $id_or_email, $size, $default = '', $alt = '') {
|
|
if (!is_object($id_or_email) || !isset($id_or_email->comment_type))
|
|
return $avatar;
|
|
|
|
// check if comment has an avatar
|
|
$c_avatar = get_comment_meta($id_or_email->comment_ID, 'avatar', true);
|
|
|
|
if (!$c_avatar)
|
|
return $avatar;
|
|
|
|
if (false === $alt)
|
|
$safe_alt = '';
|
|
else
|
|
$safe_alt = esc_attr($alt);
|
|
|
|
|
|
return sprintf( '<img alt="%s" src="%s" class="avatar photo u-photo" style="width: %spx; height: %spx;" />', $safe_alt, $c_avatar, $size, $size );
|
|
}
|
|
|
|
}
|
|
$WP_WEBMENTION_AGAIN = new WP_WEBMENTION_AGAIN();
|
|
|
|
endif; |