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[7000] Fix | Delete

// Remove all script and style tags including their content.

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$remote_source = preg_replace( '@<(script|style)[^>]*?>.*?</\\1>@si', '', $remote_source );

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// Just keep the tag we need.

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$remote_source = strip_tags( $remote_source, '<a>' );

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$p = explode( "\n\n", $remote_source );

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$preg_target = preg_quote( $pagelinkedto, '|' );

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foreach ( $p as $para ) {

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if ( str_contains( $para, $pagelinkedto ) ) { // It exists, but is it a link?

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preg_match( '|<a[^>]+?' . $preg_target . '[^>]*>([^>]+?)</a>|', $para, $context );

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// If the URL isn't in a link context, keep looking.

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if ( empty( $context ) ) {

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continue;

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}

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[7018] Fix | Delete

[7019] Fix | Delete

* We're going to use this fake tag to mark the context in a bit.

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* The marker is needed in case the link text appears more than once in the paragraph.

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$excerpt = preg_replace( '|\</?wpcontext\>|', '', $para );

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// prevent really long link text

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if ( strlen( $context[1] ) > 100 ) {

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$context[1] = substr( $context[1], 0, 100 ) . '…';

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}

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$marker = '<wpcontext>' . $context[1] . '</wpcontext>'; // Set up our marker.

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$excerpt = str_replace( $context[0], $marker, $excerpt ); // Swap out the link for our marker.

[7031] Fix | Delete

$excerpt = strip_tags( $excerpt, '<wpcontext>' ); // Strip all tags but our context marker.

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$excerpt = trim( $excerpt );

[7033] Fix | Delete

$preg_marker = preg_quote( $marker, '|' );

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$excerpt = preg_replace( "|.*?\s(.{0,100}$preg_marker.{0,100})\s.*|s", '$1', $excerpt );

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$excerpt = strip_tags( $excerpt ); // YES, again, to remove the marker wrapper.

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break;

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}

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}

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[7040] Fix | Delete

if ( empty( $context ) ) { // Link to target not found.

[7041] Fix | Delete

return $this->pingback_error( 17, __( 'The source URL does not contain a link to the target URL, and so cannot be used as a source.' ) );

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}

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[7044] Fix | Delete

$pagelinkedfrom = str_replace( '&', '&', $pagelinkedfrom );

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[7046] Fix | Delete

$context = '[…] ' . esc_html( $excerpt ) . ' […]';

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$pagelinkedfrom = $this->escape( $pagelinkedfrom );

[7048] Fix | Delete

[7049] Fix | Delete

$comment_post_id = (int) $post_id;

[7050] Fix | Delete

$comment_author = $title;

[7051] Fix | Delete

$comment_author_email = '';

[7052] Fix | Delete

$this->escape( $comment_author );

[7053] Fix | Delete

$comment_author_url = $pagelinkedfrom;

[7054] Fix | Delete

$comment_content = $context;

[7055] Fix | Delete

$this->escape( $comment_content );

[7056] Fix | Delete

$comment_type = 'pingback';

[7057] Fix | Delete

[7058] Fix | Delete

$commentdata = array(

[7059] Fix | Delete

'comment_post_ID' => $comment_post_id,

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);

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[7062] Fix | Delete

$commentdata += compact(

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'comment_author',

[7064] Fix | Delete

'comment_author_url',

[7065] Fix | Delete

'comment_author_email',

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'comment_content',

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'comment_type',

[7068] Fix | Delete

'remote_source',

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'remote_source_original'

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);

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[7072] Fix | Delete

$comment_id = wp_new_comment( $commentdata );

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if ( is_wp_error( $comment_id ) ) {

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return $this->pingback_error( 0, $comment_id->get_error_message() );

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}

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[7078] Fix | Delete

/**

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* Fires after a post pingback has been sent.

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* @since 0.71

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* @param int $comment_id Comment ID.

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[7085] Fix | Delete

do_action( 'pingback_post', $comment_id );

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[7087] Fix | Delete

/* translators: 1: URL of the page linked from, 2: URL of the page linked to. */

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return sprintf( __( 'Pingback from %1$s to %2$s registered. Keep the web talking! :-)' ), $pagelinkedfrom, $pagelinkedto );

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}

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[7091] Fix | Delete

/**

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* Retrieves an array of URLs that pingbacked the given URL.

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[7094] Fix | Delete

* Specs on http://www.aquarionics.com/misc/archives/blogite/0198.html

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* @since 1.5.0

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[7098] Fix | Delete

* @global wpdb $wpdb WordPress database abstraction object.

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[7100] Fix | Delete

* @param string $url

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* @return array|IXR_Error

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[7103] Fix | Delete

public function pingback_extensions_getPingbacks( $url ) {

[7104] Fix | Delete

global $wpdb;

[7105] Fix | Delete

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/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */

[7107] Fix | Delete

do_action( 'xmlrpc_call', 'pingback.extensions.getPingbacks', $url, $this );

[7108] Fix | Delete

[7109] Fix | Delete

$url = $this->escape( $url );

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$post_id = url_to_postid( $url );

[7112] Fix | Delete

if ( ! $post_id ) {

[7113] Fix | Delete

// We aren't sure that the resource is available and/or pingback enabled.

[7114] Fix | Delete

return $this->pingback_error( 33, __( 'The specified target URL cannot be used as a target. It either does not exist, or it is not a pingback-enabled resource.' ) );

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}

[7116] Fix | Delete

[7117] Fix | Delete

$actual_post = get_post( $post_id, ARRAY_A );

[7118] Fix | Delete

[7119] Fix | Delete

if ( ! $actual_post ) {

[7120] Fix | Delete

// No such post = resource not found.

[7121] Fix | Delete

return $this->pingback_error( 32, __( 'The specified target URL does not exist.' ) );

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}

[7123] Fix | Delete

[7124] Fix | Delete

$comments = $wpdb->get_results( $wpdb->prepare( "SELECT comment_author_url, comment_content, comment_author_IP, comment_type FROM $wpdb->comments WHERE comment_post_ID = %d", $post_id ) );

[7125] Fix | Delete

[7126] Fix | Delete

if ( ! $comments ) {

[7127] Fix | Delete

return array();

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}

[7129] Fix | Delete

[7130] Fix | Delete

$pingbacks = array();

[7131] Fix | Delete

foreach ( $comments as $comment ) {

[7132] Fix | Delete

if ( 'pingback' === $comment->comment_type ) {

[7133] Fix | Delete

$pingbacks[] = $comment->comment_author_url;

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}

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}

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[7137] Fix | Delete

return $pingbacks;

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}

[7139] Fix | Delete

[7140] Fix | Delete

/**

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* Sends a pingback error based on the given error code and message.

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[7143] Fix | Delete

* @since 3.6.0

[7144] Fix | Delete

[7145] Fix | Delete

* @param int $code Error code.

[7146] Fix | Delete

* @param string $message Error message.

[7147] Fix | Delete

* @return IXR_Error Error object.

[7148] Fix | Delete

[7149] Fix | Delete

protected function pingback_error( $code, $message ) {

[7150] Fix | Delete

/**

[7151] Fix | Delete

* Filters the XML-RPC pingback error return.

[7152] Fix | Delete

[7153] Fix | Delete

* @since 3.5.1

[7154] Fix | Delete

[7155] Fix | Delete

* @param IXR_Error $error An IXR_Error object containing the error code and message.

[7156] Fix | Delete

[7157] Fix | Delete

return apply_filters( 'xmlrpc_pingback_error', new IXR_Error( $code, $message ) );

[7158] Fix | Delete

}

[7159] Fix | Delete

}

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