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<?php

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/**

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* WP_HTTP_IXR_Client

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* @package WordPress

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* @since 3.1.0

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#[AllowDynamicProperties]

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class WP_HTTP_IXR_Client extends IXR_Client {

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public $scheme;

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/**

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* @var IXR_Error

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public $error;

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/**

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* @param string $server

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* @param string|false $path

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* @param int|false $port

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* @param int $timeout

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public function __construct( $server, $path = false, $port = false, $timeout = 15 ) {

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if ( ! $path ) {

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// Assume we have been given a URL instead.

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$bits = parse_url( $server );

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$this->scheme = $bits['scheme'];

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$this->server = $bits['host'];

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$this->port = isset( $bits['port'] ) ? $bits['port'] : $port;

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$this->path = ! empty( $bits['path'] ) ? $bits['path'] : '/';

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// Make absolutely sure we have a path.

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if ( ! $this->path ) {

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$this->path = '/';

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}

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if ( ! empty( $bits['query'] ) ) {

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$this->path .= '?' . $bits['query'];

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}

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} else {

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$this->scheme = 'http';

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$this->server = $server;

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$this->path = $path;

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$this->port = $port;

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}

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$this->useragent = 'The Incutio XML-RPC PHP Library';

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$this->timeout = $timeout;

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}

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/**

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* @since 3.1.0

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* @since 5.5.0 Formalized the existing `...$args` parameter by adding it

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* to the function signature.

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* @return bool

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public function query( ...$args ) {

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$method = array_shift( $args );

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$request = new IXR_Request( $method, $args );

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$xml = $request->getXml();

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$port = $this->port ? ":$this->port" : '';

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$url = $this->scheme . '://' . $this->server . $port . $this->path;

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$args = array(

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'headers' => array( 'Content-Type' => 'text/xml' ),

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'user-agent' => $this->useragent,

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'body' => $xml,

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);

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// Merge Custom headers ala #8145.

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foreach ( $this->headers as $header => $value ) {

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$args['headers'][ $header ] = $value;

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}

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/**

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* Filters the headers collection to be sent to the XML-RPC server.

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* @since 4.4.0

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* @param string[] $headers Associative array of headers to be sent.

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$args['headers'] = apply_filters( 'wp_http_ixr_client_headers', $args['headers'] );

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if ( false !== $this->timeout ) {

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$args['timeout'] = $this->timeout;

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}

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// Now send the request.

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if ( $this->debug ) {

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echo '<pre class="ixr_request">' . htmlspecialchars( $xml ) . "\n</pre>\n\n";

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}

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$response = wp_remote_post( $url, $args );

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if ( is_wp_error( $response ) ) {

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$errno = $response->get_error_code();

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$errorstr = $response->get_error_message();

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$this->error = new IXR_Error( -32300, "transport error: $errno $errorstr" );

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return false;

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}

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if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {

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$this->error = new IXR_Error( -32301, 'transport error - HTTP status code was not 200 (' . wp_remote_retrieve_response_code( $response ) . ')' );

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return false;

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}

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if ( $this->debug ) {

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echo '<pre class="ixr_response">' . htmlspecialchars( wp_remote_retrieve_body( $response ) ) . "\n</pre>\n\n";

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}

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// Now parse what we've got back.

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$this->message = new IXR_Message( wp_remote_retrieve_body( $response ) );

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if ( ! $this->message->parse() ) {

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// XML error.

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$this->error = new IXR_Error( -32700, 'parse error. not well formed' );

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return false;

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}

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// Is the message a fault?

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if ( 'fault' === $this->message->messageType ) {

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$this->error = new IXR_Error( $this->message->faultCode, $this->message->faultString );

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return false;

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}

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// Message must be OK.

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return true;

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}

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}

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