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fixed headers and added "reply" as custom post type
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@pfefferle
pfefferle committed Jun 25, 2013
1 parent 40408c6 commit 397ea28
Showing 1 changed file with 107 additions and 15 deletions.
122 changes: 107 additions & 15 deletions webmention.php
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Expand Up @@ -36,23 +36,23 @@ function webmention_parse_query($wp_query) {

// check if source url is transmitted
if (!isset($source)) {
header("Status: 400 Bad Request");
header('HTTP/1.1 400 Bad Request');
echo json_encode(array("error"=> "source_not_found"));
exit;
}

// check if target url is transmitted
if (!isset($target)) {
header("Status: 400 Bad Request");
header('HTTP/1.1 400 Bad Request');
echo json_encode(array("error"=> "target_empty"));
exit;
}

$post_ID = url_to_postid($target);
$post_ID = webmention_url_to_postid($target);

// check if post id exists
if ( !$post_ID ) {
header("Status: 400 Bad Request");
header('HTTP/1.1 400 Bad Request');
echo json_encode(array("error"=> "target_not_found"));
exit;
}
Expand All @@ -62,7 +62,7 @@ function webmention_parse_query($wp_query) {

// check if post exists
if ( !$post ) {
header("Status: 400 Bad Request");
header('HTTP/1.1 400 Bad Request');
echo json_encode(array("error"=> "target_not_found"));
exit;
}
Expand All @@ -71,7 +71,7 @@ function webmention_parse_query($wp_query) {

// check if source is accessible
if ( is_wp_error( $response ) ) {
header("Status: 400 Bad Request");
header('HTTP/1.1 400 Bad Request');
echo json_encode(array("error"=> "source_not_accessible"));
exit;
}
Expand Down Expand Up @@ -126,7 +126,7 @@ function webmention_to_comment( $html, $source, $target, $post, $commentdata = n
$hentry = webmention_hentry_walker($result, $target);

if (!$hentry) {
header("Status: 404 Not Found");
header('HTTP/1.1 400 Bad Request');
echo json_encode(array("error"=> "no_link_found"));
exit;
}
Expand All @@ -140,15 +140,18 @@ function webmention_to_comment( $html, $source, $target, $post, $commentdata = n
} elseif (isset($hentry['name'])) {
$commentdata['comment_content'] = $wpdb->escape($hentry['name'][0]);
} else {
header("Status: 404 Not Found");
header('HTTP/1.1 400 Bad Request');
echo json_encode(array("error"=> "no_content_found"));
exit;
}

// set the right date
if ($hentry['published']) {
if (isset($hentry['published'])) {
$time = strtotime($hentry['published'][0]);
$commentdata['comment_date'] = date("Y-m-d H:i:s", $time);
} elseif (isset($hentry['updated'])) {
$time = strtotime($hentry['updated'][0]);
$commentdata['comment_date'] = date("Y-m-d H:i:s", $time);
}

$author = null;
Expand Down Expand Up @@ -299,9 +302,11 @@ function webmention_send_ping($source, $target) {
* @param array $punk Pinged links
* @param int $id The post_ID
*/
function webmention_ping( $links, $pung, $post_ID ) {
function webmention_ping( $links, $pung, $post_ID ) {
// get source url
$source = get_permalink($post_ID);
$source = get_permalink($post_ID);

// get post
$post = get_post($post_ID);

Expand All @@ -323,13 +328,23 @@ function webmention_ping( $links, $pung, $post_ID ) {
// check post for some supported urls
foreach ( (array) $dummy['properties'] as $key => $values ) {
if (in_array($key, webmention_get_supported_url_types())) {
$data = webmention_send_ping($source, $values[0]);
foreach ($values as $value) {
// @todo check response
$data = webmention_send_ping($source, $value);
}
}
}
}
add_action( 'pre_ping', 'webmention_ping', 10, 3 );

function webmention_insert_comment($id, $comment) {
/**
* send webmentions on new comments
*
* @param int $id the post id
* @param obj $comment the comment object
*/
function webmention_comment_post($id) {
$comment = get_comment($id);
if ($comment->comment_parent) {
$target = get_comment_meta($comment->comment_parent, 'webmention_source', true);

Expand All @@ -339,8 +354,18 @@ function webmention_insert_comment($id, $comment) {
}
}
}
add_action('wp_insert_comment', 'webmention_insert_comment', 99, 2);
add_action('wp_update_comment', 'webmention_insert_comment', 99, 2);
add_action('comment_post', 'webmention_comment_post');

/**
* workaround because WordPress sends no pings on custom post types
*
* @param int $id the post id
* @param obj $post the post object
*/
function webmention_insert_post($id) {
webmention_ping(array(), array(), $id);
}
add_action('publish_webmention_reply', 'webmention_insert_post');

/**
* helper to find the correct h-entry node
Expand Down Expand Up @@ -463,7 +488,7 @@ function webmention_template_include( $template ) {
* @return array
*/
function webmention_get_supported_url_types() {
return apply_filters("webmention_supported_url_types", array("in-reply-to", "like", "mention", "url"));
return apply_filters("webmention_supported_url_types", array("in-reply-to", "like", "mention"));
}

function webfinger_get_parent_source_url($comment) {
Expand All @@ -474,6 +499,41 @@ function webfinger_get_parent_source_url($comment) {
return null;
}


function webmention_create_post_types() {
register_post_type( 'webmention_reply',
array(
'labels' => array(
'name' => __( 'Replies' ),
'singular_name' => __( 'Reply' )
),
'public' => true,
'has_archive' => true,
'hierarchical' => true,
'query_var' => true,
'rewrite' => array( 'slug' => 'replies', 'with_front' => false, 'feeds' => true, 'ep_mask' => EP_PERMALINK ),
'supports' => array(
'title', 'revisions', 'title', 'trackbacks', 'comments', 'post-formats', 'author', 'editor'
)
)
);

flush_rewrite_rules();
}
add_action( 'init', 'webmention_create_post_types' );

/**
* Adds custom classes to the array of post classes.
*/
function webmention_post_classes( $classes ) {
if (get_post_type() == "webmention_reply") {
$classes[] = 'post';
}

return $classes;
}
add_filter( 'post_class', 'webmention_post_classes' );

/**
* Finds a webmention server URI based on the given URL.
*
Expand Down Expand Up @@ -543,3 +603,35 @@ function discover_webmention_server_uri( $url ) {

return false;
}

function webmention_url_to_postid( $url ) {
// Try the core function
$post_id = url_to_postid( $url );
if ( $post_id == 0 ) {
$url = preg_replace('/\?.*/', '', $url);
// Try custom post types
$cpts = get_post_types( array(
'public' => true,
'_builtin' => false
), 'objects', 'and' );
// Get path from URL
$url_parts = explode( '/', trim( $url, '/' ) );
$url_parts = array_splice( $url_parts, 3 );
$path = implode( '/', $url_parts );
// Test against each CPT's rewrite slug
foreach ( $cpts as $cpt_name => $cpt ) {
$cpt_slug = $cpt->rewrite['slug'];
if ( strlen( $path ) > strlen( $cpt_slug ) && substr( $path, 0, strlen( $cpt_slug ) ) == $cpt_slug ) {
$slug = substr( $path, strlen( $cpt_slug ) );
$query = new WP_Query( array(
'post_type' => $cpt_name,
'name' => $slug,
'posts_per_page' => 1
));
if ( is_object( $query->post ) )
$post_id = $query->post->ID;
}
}
}
return $post_id;
}

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