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Path: ~//usr/local/sitepad/editor/site-inc/

File Content: `class-http.php`

<?php
/**
 * HTTP API: WP_Http class
 *
 * @package WordPress
 * @subpackage HTTP
 * @since 2.7.0
 */

if ( ! class_exists( 'Requests' ) ) {
	require( ABSPATH . WPINC . '/class-requests.php' );

	Requests::register_autoloader();
	Requests::set_certificate_path( ABSPATH . WPINC . '/certificates/ca-bundle.crt' );
}

/**
 * Core class used for managing HTTP transports and making HTTP requests.
 *
 * This class is used to consistently make outgoing HTTP requests easy for developers
 * while still being compatible with the many PHP configurations under which
 * WordPress runs.
 *
 * Debugging includes several actions, which pass different variables for debugging the HTTP API.
 *
 * @since 2.7.0
 */
class WP_Http {

	// Aliases for HTTP response codes.
	const HTTP_CONTINUE       = 100;
	const SWITCHING_PROTOCOLS = 101;
	const PROCESSING          = 102;
	const EARLY_HINTS         = 103;

	const OK                            = 200;
	const CREATED                       = 201;
	const ACCEPTED                      = 202;
	const NON_AUTHORITATIVE_INFORMATION = 203;
	const NO_CONTENT                    = 204;
	const RESET_CONTENT                 = 205;
	const PARTIAL_CONTENT               = 206;
	const MULTI_STATUS                  = 207;
	const IM_USED                       = 226;

	const MULTIPLE_CHOICES   = 300;
	const MOVED_PERMANENTLY  = 301;
	const FOUND              = 302;
	const SEE_OTHER          = 303;
	const NOT_MODIFIED       = 304;
	const USE_PROXY          = 305;
	const RESERVED           = 306;
	const TEMPORARY_REDIRECT = 307;
	const PERMANENT_REDIRECT = 308;

	const BAD_REQUEST                     = 400;
	const UNAUTHORIZED                    = 401;
	const PAYMENT_REQUIRED                = 402;
	const FORBIDDEN                       = 403;
	const NOT_FOUND                       = 404;
	const METHOD_NOT_ALLOWED              = 405;
	const NOT_ACCEPTABLE                  = 406;
	const PROXY_AUTHENTICATION_REQUIRED   = 407;
	const REQUEST_TIMEOUT                 = 408;
	const CONFLICT                        = 409;
	const GONE                            = 410;
	const LENGTH_REQUIRED                 = 411;
	const PRECONDITION_FAILED             = 412;
	const REQUEST_ENTITY_TOO_LARGE        = 413;
	const REQUEST_URI_TOO_LONG            = 414;
	const UNSUPPORTED_MEDIA_TYPE          = 415;
	const REQUESTED_RANGE_NOT_SATISFIABLE = 416;
	const EXPECTATION_FAILED              = 417;
	const IM_A_TEAPOT                     = 418;
	const MISDIRECTED_REQUEST             = 421;
	const UNPROCESSABLE_ENTITY            = 422;
	const LOCKED                          = 423;
	const FAILED_DEPENDENCY               = 424;
	const UPGRADE_REQUIRED                = 426;
	const PRECONDITION_REQUIRED           = 428;
	const TOO_MANY_REQUESTS               = 429;
	const REQUEST_HEADER_FIELDS_TOO_LARGE = 431;
	const UNAVAILABLE_FOR_LEGAL_REASONS   = 451;

	const INTERNAL_SERVER_ERROR           = 500;
	const NOT_IMPLEMENTED                 = 501;
	const BAD_GATEWAY                     = 502;
	const SERVICE_UNAVAILABLE             = 503;
	const GATEWAY_TIMEOUT                 = 504;
	const HTTP_VERSION_NOT_SUPPORTED      = 505;
	const VARIANT_ALSO_NEGOTIATES         = 506;
	const INSUFFICIENT_STORAGE            = 507;
	const NOT_EXTENDED                    = 510;
	const NETWORK_AUTHENTICATION_REQUIRED = 511;

	/**
	 * Send an HTTP request to a URI.
	 *
	 * Please note: The only URI that are supported in the HTTP Transport implementation
	 * are the HTTP and HTTPS protocols.
	 *
	 * @since 2.7.0
	 *
	 * @param string       $url  The request URL.
	 * @param string|array $args {
	 *     Optional. Array or string of HTTP request arguments.
	 *
	 *     @type string       $method              Request method. Accepts 'GET', 'POST', 'HEAD', 'PUT', 'DELETE',
	 *                                             'TRACE', 'OPTIONS', or 'PATCH'.
	 *                                             Some transports technically allow others, but should not be
	 *                                             assumed. Default 'GET'.
	 *     @type int          $timeout             How long the connection should stay open in seconds. Default 5.
	 *     @type int          $redirection         Number of allowed redirects. Not supported by all transports
	 *                                             Default 5.
	 *     @type string       $httpversion         Version of the HTTP protocol to use. Accepts '1.0' and '1.1'.
	 *                                             Default '1.0'.
	 *     @type string       $user-agent          User-agent value sent.
	 *                                             Default 'WordPress/' . get_bloginfo( 'version' ) . '; ' . get_bloginfo( 'url' ).
	 *     @type bool         $reject_unsafe_urls  Whether to pass URLs through wp_http_validate_url().
	 *                                             Default false.
	 *     @type bool         $blocking            Whether the calling code requires the result of the request.
	 *                                             If set to false, the request will be sent to the remote server,
	 *                                             and processing returned to the calling code immediately, the caller
	 *                                             will know if the request succeeded or failed, but will not receive
	 *                                             any response from the remote server. Default true.
	 *     @type string|array $headers             Array or string of headers to send with the request.
	 *                                             Default empty array.
	 *     @type array        $cookies             List of cookies to send with the request. Default empty array.
	 *     @type string|array $body                Body to send with the request. Default null.
	 *     @type bool         $compress            Whether to compress the $body when sending the request.
	 *                                             Default false.
	 *     @type bool         $decompress          Whether to decompress a compressed response. If set to false and
	 *                                             compressed content is returned in the response anyway, it will
	 *                                             need to be separately decompressed. Default true.
	 *     @type bool         $sslverify           Whether to verify SSL for the request. Default true.
	 *     @type string       sslcertificates      Absolute path to an SSL certificate .crt file.
	 *                                             Default ABSPATH . WPINC . '/certificates/ca-bundle.crt'.
	 *     @type bool         $stream              Whether to stream to a file. If set to true and no filename was
	 *                                             given, it will be droped it in the WP temp dir and its name will
	 *                                             be set using the basename of the URL. Default false.
	 *     @type string       $filename            Filename of the file to write to when streaming. $stream must be
	 *                                             set to true. Default null.
	 *     @type int          $limit_response_size Size in bytes to limit the response to. Default null.
	 *
	 * }
	 * @return array|WP_Error Array containing 'headers', 'body', 'response', 'cookies', 'filename'.
	 *                        A WP_Error instance upon error.
	 */
	public function request( $url, $args = array() ) {
		$defaults = array(
			'method'              => 'GET',
			/**
			 * Filters the timeout value for an HTTP request.
			 *
			 * @since 2.7.0
			 * @since 5.1.0 The `$url` parameter was added.
			 *
			 * @param int    $timeout_value Time in seconds until a request times out. Default 5.
			 * @param string $url           The request URL.
			 */
			'timeout'             => apply_filters( 'http_request_timeout', 5, $url ),
			/**
			 * Filters the number of redirects allowed during an HTTP request.
			 *
			 * @since 2.7.0
			 * @since 5.1.0 The `$url` parameter was added.
			 *
			 * @param int    $redirect_count Number of redirects allowed. Default 5.
			 * @param string $url            The request URL.
			 */
			'redirection'         => apply_filters( 'http_request_redirection_count', 5, $url ),
			/**
			 * Filters the version of the HTTP protocol used in a request.
			 *
			 * @since 2.7.0
			 * @since 5.1.0 The `$url` parameter was added.
			 *
			 * @param string $version Version of HTTP used. Accepts '1.0' and '1.1'. Default '1.0'.
			 * @param string $url     The request URL.
			 */
			'httpversion'         => apply_filters( 'http_request_version', '1.0', $url ),
			/**
			 * Filters the user agent value sent with an HTTP request.
			 *
			 * @since 2.7.0
			 * @since 5.1.0 The `$url` parameter was added.
			 *
			 * @param string $user_agent WordPress user agent string.
			 * @param string $url        The request URL.
			 */
			'user-agent'          => apply_filters( 'http_headers_useragent', 'WordPress/' . get_bloginfo( 'version' ) . '; ' . get_bloginfo( 'url' ), $url ),
			/**
			 * Filters whether to pass URLs through wp_http_validate_url() in an HTTP request.
			 *
			 * @since 3.6.0
			 * @since 5.1.0 The `$url` parameter was added.
			 *
			 * @param bool   $pass_url Whether to pass URLs through wp_http_validate_url(). Default false.
			 * @param string $url      The request URL.
			 */
			'reject_unsafe_urls'  => apply_filters( 'http_request_reject_unsafe_urls', false, $url ),
			'blocking'            => true,
			'headers'             => array(),
			'cookies'             => array(),
			'body'                => null,
			'compress'            => false,
			'decompress'          => true,
			'sslverify'           => false,
			'sslcertificates'     => ABSPATH . WPINC . '/certificates/ca-bundle.crt',
			'stream'              => false,
			'filename'            => null,
			'limit_response_size' => null,
		);

		// Pre-parse for the HEAD checks.
		$args = wp_parse_args( $args );

		// By default, Head requests do not cause redirections.
		if ( isset( $args['method'] ) && 'HEAD' == $args['method'] ) {
			$defaults['redirection'] = 0;
		}

		$r = wp_parse_args( $args, $defaults );
		/**
		 * Filters the arguments used in an HTTP request.
		 *
		 * @since 2.7.0
		 *
		 * @param array  $r   An array of HTTP request arguments.
		 * @param string $url The request URL.
		 */
		$r = apply_filters( 'http_request_args', $r, $url );

		// The transports decrement this, store a copy of the original value for loop purposes.
		if ( ! isset( $r['_redirection'] ) ) {
			$r['_redirection'] = $r['redirection'];
		}

		/**
		 * Filters whether to preempt an HTTP request's return value.
		 *
		 * Returning a non-false value from the filter will short-circuit the HTTP request and return
		 * early with that value. A filter should return either:
		 *
		 *  - An array containing 'headers', 'body', 'response', 'cookies', and 'filename' elements
		 *  - A WP_Error instance
		 *  - boolean false (to avoid short-circuiting the response)
		 *
		 * Returning any other value may result in unexpected behaviour.
		 *
		 * @since 2.9.0
		 *
		 * @param false|array|WP_Error $preempt Whether to preempt an HTTP request's return value. Default false.
		 * @param array               $r        HTTP request arguments.
		 * @param string              $url      The request URL.
		 */
		$pre = apply_filters( 'pre_http_request', false, $r, $url );

		if ( false !== $pre ) {
			return $pre;
		}

		if ( function_exists( 'wp_kses_bad_protocol' ) ) {
			if ( $r['reject_unsafe_urls'] ) {
				$url = wp_http_validate_url( $url );
			}
			if ( $url ) {
				$url = wp_kses_bad_protocol( $url, array( 'http', 'https', 'ssl' ) );
			}
		}

		$arrURL = @parse_url( $url );

		if ( empty( $url ) || empty( $arrURL['scheme'] ) ) {
			return new WP_Error( 'http_request_failed', __( 'A valid URL was not provided.' ) );
		}

		if ( $this->block_request( $url ) ) {
			return new WP_Error( 'http_request_failed', __( 'User has blocked requests through HTTP.' ) );
		}

		// If we are streaming to a file but no filename was given drop it in the WP temp dir
		// and pick its name using the basename of the $url
		if ( $r['stream'] ) {
			if ( empty( $r['filename'] ) ) {
				$r['filename'] = get_temp_dir() . basename( $url );
			}

			// Force some settings if we are streaming to a file and check for existence and perms of destination directory
			$r['blocking'] = true;
			if ( ! wp_is_writable( dirname( $r['filename'] ) ) ) {
				return new WP_Error( 'http_request_failed', __( 'Destination directory for file streaming does not exist or is not writable.' ) );
			}
		}

		if ( is_null( $r['headers'] ) ) {
			$r['headers'] = array();
		}

		// WP allows passing in headers as a string, weirdly.
		if ( ! is_array( $r['headers'] ) ) {
			$processedHeaders = WP_Http::processHeaders( $r['headers'] );
			$r['headers']     = $processedHeaders['headers'];
		}

		// Setup arguments
		$headers = $r['headers'];
		$data    = $r['body'];
		$type    = $r['method'];
		$options = array(
			'timeout'   => $r['timeout'],
			'useragent' => $r['user-agent'],
			'blocking'  => $r['blocking'],
			'hooks'     => new WP_HTTP_Requests_Hooks( $url, $r ),
		);

		// Ensure redirects follow browser behaviour.
		$options['hooks']->register( 'requests.before_redirect', array( get_class(), 'browser_redirect_compatibility' ) );

		// Validate redirected URLs.
		if ( function_exists( 'wp_kses_bad_protocol' ) && $r['reject_unsafe_urls'] ) {
			$options['hooks']->register( 'requests.before_redirect', array( get_class(), 'validate_redirects' ) );
		}

		if ( $r['stream'] ) {
			$options['filename'] = $r['filename'];
		}
		if ( empty( $r['redirection'] ) ) {
			$options['follow_redirects'] = false;
		} else {
			$options['redirects'] = $r['redirection'];
		}

		// Use byte limit, if we can
		if ( isset( $r['limit_response_size'] ) ) {
			$options['max_bytes'] = $r['limit_response_size'];
		}

		// If we've got cookies, use and convert them to Requests_Cookie.
		if ( ! empty( $r['cookies'] ) ) {
			$options['cookies'] = WP_Http::normalize_cookies( $r['cookies'] );
		}

		// SSL certificate handling
		if ( ! $r['sslverify'] ) {
			$options['verify']     = false;
			$options['verifyname'] = false;
		} else {
			$options['verify'] = $r['sslcertificates'];
		}

		// All non-GET/HEAD requests should put the arguments in the form body.
		if ( 'HEAD' !== $type && 'GET' !== $type ) {
			$options['data_format'] = 'body';
		}

		/**
		 * Filters whether SSL should be verified for non-local requests.
		 *
		 * @since 2.8.0
		 * @since 5.1.0 The `$url` parameter was added.
		 *
		 * @param bool   $ssl_verify Whether to verify the SSL connection. Default true.
		 * @param string $url        The request URL.
		 */
		$options['verify'] = apply_filters( 'https_ssl_verify', $options['verify'], $url );

		// Check for proxies.
		$proxy = new WP_HTTP_Proxy();
		if ( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) ) {
			$options['proxy'] = new Requests_Proxy_HTTP( $proxy->host() . ':' . $proxy->port() );

			if ( $proxy->use_authentication() ) {
				$options['proxy']->use_authentication = true;
				$options['proxy']->user               = $proxy->username();
				$options['proxy']->pass               = $proxy->password();
			}
		}

		// Avoid issues where mbstring.func_overload is enabled
		mbstring_binary_safe_encoding();

		try {
			$requests_response = Requests::request( $url, $headers, $data, $type, $options );

			// Convert the response into an array
			$http_response = new WP_HTTP_Requests_Response( $requests_response, $r['filename'] );
			$response      = $http_response->to_array();

			// Add the original object to the array.
			$response['http_response'] = $http_response;
		} catch ( Requests_Exception $e ) {
			$response = new WP_Error( 'http_request_failed', $e->getMessage() );
		}

		reset_mbstring_encoding();

		/**
		 * Fires after an HTTP API response is received and before the response is returned.
		 *
		 * @since 2.8.0
		 *
		 * @param array|WP_Error $response HTTP response or WP_Error object.
		 * @param string         $context  Context under which the hook is fired.
		 * @param string         $class    HTTP transport used.
		 * @param array          $r        HTTP request arguments.
		 * @param string         $url      The request URL.
		 */
		do_action( 'http_api_debug', $response, 'response', 'Requests', $r, $url );
		if ( is_wp_error( $response ) ) {
			return $response;
		}

		if ( ! $r['blocking'] ) {
			return array(
				'headers'       => array(),
				'body'          => '',
				'response'      => array(
					'code'    => false,
					'message' => false,
				),
				'cookies'       => array(),
				'http_response' => null,
			);
		}

		/**
		 * Filters the HTTP API response immediately before the response is returned.
		 *
		 * @since 2.9.0
		 *
		 * @param array  $response HTTP response.
		 * @param array  $r        HTTP request arguments.
		 * @param string $url      The request URL.
		 */
		return apply_filters( 'http_response', $response, $r, $url );
	}

	/**
	 * Normalizes cookies for using in Requests.
	 *
	 * @since 4.6.0
	 *
	 * @param array $cookies Array of cookies to send with the request.
	 * @return Requests_Cookie_Jar Cookie holder object.
	 */
	public static function normalize_cookies( $cookies ) {
		$cookie_jar = new Requests_Cookie_Jar();

		foreach ( $cookies as $name => $value ) {
			if ( $value instanceof WP_Http_Cookie ) {
				$cookie_jar[ $value->name ] = new Requests_Cookie( $value->name, $value->value, $value->get_attributes() );
			} elseif ( is_scalar( $value ) ) {
				$cookie_jar[ $name ] = new Requests_Cookie( $name, $value );
			}
		}

		return $cookie_jar;
	}

	/**
	 * Match redirect behaviour to browser handling.
	 *
	 * Changes 302 redirects from POST to GET to match browser handling. Per
	 * RFC 7231, user agents can deviate from the strict reading of the
	 * specification for compatibility purposes.
	 *
	 * @since 4.6.0
	 *
	 * @param string            $location URL to redirect to.
	 * @param array             $headers  Headers for the redirect.
	 * @param string|array      $data     Body to send with the request.
	 * @param array             $options  Redirect request options.
	 * @param Requests_Response $original Response object.
	 */
	public static function browser_redirect_compatibility( $location, $headers, $data, &$options, $original ) {
		// Browser compat
		if ( $original->status_code === 302 ) {
			$options['type'] = Requests::GET;
		}
	}

	/**
	 * Validate redirected URLs.
	 *
	 * @since 4.7.5
	 *
	 * @throws Requests_Exception On unsuccessful URL validation
	 * @param string $location URL to redirect to.
	 */
	public static function validate_redirects( $location ) {
		if ( ! wp_http_validate_url( $location ) ) {
			throw new Requests_Exception( __( 'A valid URL was not provided.' ), 'wp_http.redirect_failed_validation' );
		}
	}

	/**
	 * Tests which transports are capable of supporting the request.
	 *
	 * @since 3.2.0
	 *
	 * @param array $args Request arguments
	 * @param string $url URL to Request
	 *
	 * @return string|false Class name for the first transport that claims to support the request. False if no transport claims to support the request.
	 */
	public function _get_first_available_transport( $args, $url = null ) {
		$transports = array( 'curl', 'streams' );

		/**
		 * Filters which HTTP transports are available and in what order.
		 *
		 * @since 3.7.0
		 *
		 * @param array  $transports Array of HTTP transports to check. Default array contains
		 *                           'curl', and 'streams', in that order.
		 * @param array  $args       HTTP request arguments.
		 * @param string $url        The URL to request.
		 */
		$request_order = apply_filters( 'http_api_transports', $transports, $args, $url );

		// Loop over each transport on each HTTP request looking for one which will serve this request's needs.
		foreach ( $request_order as $transport ) {
			if ( in_array( $transport, $transports ) ) {
				$transport = ucfirst( $transport );
			}
			$class = 'WP_Http_' . $transport;

			// Check to see if this transport is a possibility, calls the transport statically.
			if ( ! call_user_func( array( $class, 'test' ), $args, $url ) ) {
				continue;
			}

			return $class;
		}

		return false;
	}

	/**
	 * Dispatches a HTTP request to a supporting transport.
	 *
	 * Tests each transport in order to find a transport which matches the request arguments.
	 * Also caches the transport instance to be used later.
	 *
	 * The order for requests is cURL, and then PHP Streams.
	 *
	 * @since 3.2.0
	 * @deprecated 5.1.0 Use WP_Http::request()
	 * @see WP_Http::request()
	 *
	 * @param string $url URL to Request
	 * @param array $args Request arguments
	 * @return array|WP_Error Array containing 'headers', 'body', 'response', 'cookies', 'filename'. A WP_Error instance upon error
	 */
	private function _dispatch_request( $url, $args ) {
		static $transports = array();

		$class = $this->_get_first_available_transport( $args, $url );
		if ( ! $class ) {
			return new WP_Error( 'http_failure', __( 'There are no HTTP transports available which can complete the requested request.' ) );
		}

		// Transport claims to support request, instantiate it and give it a whirl.
		if ( empty( $transports[ $class ] ) ) {
			$transports[ $class ] = new $class;
		}

		$response = $transports[ $class ]->request( $url, $args );

		/** This action is documented in site-inc/class-http.php */
		do_action( 'http_api_debug', $response, 'response', $class, $args, $url );

		if ( is_wp_error( $response ) ) {
			return $response;
		}

		/** This filter is documented in site-inc/class-http.php */
		return apply_filters( 'http_response', $response, $args, $url );
	}

	/**
	 * Uses the POST HTTP method.
	 *
	 * Used for sending data that is expected to be in the body.
	 *
	 * @since 2.7.0
	 *
	 * @param string       $url  The request URL.
	 * @param string|array $args Optional. Override the defaults.
	 * @return array|WP_Error Array containing 'headers', 'body', 'response', 'cookies', 'filename'. A WP_Error instance upon error
	 */
	public function post( $url, $args = array() ) {
		$defaults = array( 'method' => 'POST' );
		$r        = wp_parse_args( $args, $defaults );
		return $this->request( $url, $r );
	}

	/**
	 * Uses the GET HTTP method.
	 *
	 * Used for sending data that is expected to be in the body.
	 *
	 * @since 2.7.0
	 *
	 * @param string $url The request URL.
	 * @param string|array $args Optional. Override the defaults.
	 * @return array|WP_Error Array containing 'headers', 'body', 'response', 'cookies', 'filename'. A WP_Error instance upon error
	 */
	public function get( $url, $args = array() ) {
		$defaults = array( 'method' => 'GET' );
		$r        = wp_parse_args( $args, $defaults );
		return $this->request( $url, $r );
	}

	/**
	 * Uses the HEAD HTTP method.
	 *
	 * Used for sending data that is expected to be in the body.
	 *
	 * @since 2.7.0
	 *
	 * @param string $url The request URL.
	 * @param string|array $args Optional. Override the defaults.
	 * @return array|WP_Error Array containing 'headers', 'body', 'response', 'cookies', 'filename'. A WP_Error instance upon error
	 */
	public function head( $url, $args = array() ) {
		$defaults = array( 'method' => 'HEAD' );
		$r        = wp_parse_args( $args, $defaults );
		return $this->request( $url, $r );
	}

	/**
	 * Parses the responses and splits the parts into headers and body.
	 *
	 * @since 2.7.0
	 *
	 * @param string $strResponse The full response string
	 * @return array Array with 'headers' and 'body' keys.
	 */
	public static function processResponse( $strResponse ) {
		$res = explode( "\r\n\r\n", $strResponse, 2 );

		return array(
			'headers' => $res[0],
			'body'    => isset( $res[1] ) ? $res[1] : '',
		);
	}

	/**
	 * Transform header string into an array.
	 *
	 * If an array is given then it is assumed to be raw header data with numeric keys with the
	 * headers as the values. No headers must be passed that were already processed.
	 *
	 * @since 2.7.0
	 *
	 * @param string|array $headers
	 * @param string $url The URL that was requested
	 * @return array Processed string headers. If duplicate headers are encountered,
	 *                  Then a numbered array is returned as the value of that header-key.
	 */
	public static function processHeaders( $headers, $url = '' ) {
		// Split headers, one per array element.
		if ( is_string( $headers ) ) {
			// Tolerate line terminator: CRLF = LF (RFC 2616 19.3).
			$headers = str_replace( "\r\n", "\n", $headers );
			/*
			 * Unfold folded header fields. LWS = [CRLF] 1*( SP | HT ) <US-ASCII SP, space (32)>,
			 * <US-ASCII HT, horizontal-tab (9)> (RFC 2616 2.2).
			 */
			$headers = preg_replace( '/\n[ \t]/', ' ', $headers );
			// Create the headers array.
			$headers = explode( "\n", $headers );
		}

		$response = array(
			'code'    => 0,
			'message' => '',
		);

		/*
		 * If a redirection has taken place, The headers for each page request may have been passed.
		 * In this case, determine the final HTTP header and parse from there.
		 */
		for ( $i = count( $headers ) - 1; $i >= 0; $i-- ) {
			if ( ! empty( $headers[ $i ] ) && false === strpos( $headers[ $i ], ':' ) ) {
				$headers = array_splice( $headers, $i );
				break;
			}
		}

		$cookies    = array();
		$newheaders = array();
		foreach ( (array) $headers as $tempheader ) {
			if ( empty( $tempheader ) ) {
				continue;
			}

			if ( false === strpos( $tempheader, ':' ) ) {
				$stack   = explode( ' ', $tempheader, 3 );
				$stack[] = '';
				list( , $response['code'], $response['message']) = $stack;
				continue;
			}

			list($key, $value) = explode( ':', $tempheader, 2 );

			$key   = strtolower( $key );
			$value = trim( $value );

			if ( isset( $newheaders[ $key ] ) ) {
				if ( ! is_array( $newheaders[ $key ] ) ) {
					$newheaders[ $key ] = array( $newheaders[ $key ] );
				}
				$newheaders[ $key ][] = $value;
			} else {
				$newheaders[ $key ] = $value;
			}
			if ( 'set-cookie' == $key ) {
				$cookies[] = new WP_Http_Cookie( $value, $url );
			}
		}

		// Cast the Response Code to an int
		$response['code'] = intval( $response['code'] );

		return array(
			'response' => $response,
			'headers'  => $newheaders,
			'cookies'  => $cookies,
		);
	}

	/**
	 * Takes the arguments for a ::request() and checks for the cookie array.
	 *
	 * If it's found, then it upgrades any basic name => value pairs to WP_Http_Cookie instances,
	 * which are each parsed into strings and added to the Cookie: header (within the arguments array).
	 * Edits the array by reference.
	 *
	 * @since 2.8.0
	 *
	 * @param array $r Full array of args passed into ::request()
	 */
	public static function buildCookieHeader( &$r ) {
		if ( ! empty( $r['cookies'] ) ) {
			// Upgrade any name => value cookie pairs to WP_HTTP_Cookie instances.
			foreach ( $r['cookies'] as $name => $value ) {
				if ( ! is_object( $value ) ) {
					$r['cookies'][ $name ] = new WP_Http_Cookie(
						array(
							'name'  => $name,
							'value' => $value,
						)
					);
				}
			}

			$cookies_header = '';
			foreach ( (array) $r['cookies'] as $cookie ) {
				$cookies_header .= $cookie->getHeaderValue() . '; ';
			}

			$cookies_header         = substr( $cookies_header, 0, -2 );
			$r['headers']['cookie'] = $cookies_header;
		}
	}

	/**
	 * Decodes chunk transfer-encoding, based off the HTTP 1.1 specification.
	 *
	 * Based off the HTTP http_encoding_dechunk function.
	 *
	 * @link https://tools.ietf.org/html/rfc2616#section-19.4.6 Process for chunked decoding.
	 *
	 * @since 2.7.0
	 *
	 * @param string $body Body content
	 * @return string Chunked decoded body on success or raw body on failure.
	 */
	public static function chunkTransferDecode( $body ) {
		// The body is not chunked encoded or is malformed.
		if ( ! preg_match( '/^([0-9a-f]+)[^\r\n]*\r\n/i', trim( $body ) ) ) {
			return $body;
		}

		$parsed_body = '';

		// We'll be altering $body, so need a backup in case of error.
		$body_original = $body;

		while ( true ) {
			$has_chunk = (bool) preg_match( '/^([0-9a-f]+)[^\r\n]*\r\n/i', $body, $match );
			if ( ! $has_chunk || empty( $match[1] ) ) {
				return $body_original;
			}

			$length       = hexdec( $match[1] );
			$chunk_length = strlen( $match[0] );

			// Parse out the chunk of data.
			$parsed_body .= substr( $body, $chunk_length, $length );

			// Remove the chunk from the raw data.
			$body = substr( $body, $length + $chunk_length );

			// End of the document.
			if ( '0' === trim( $body ) ) {
				return $parsed_body;
			}
		}
	}

	/**
	 * Block requests through the proxy.
	 *
	 * Those who are behind a proxy and want to prevent access to certain hosts may do so. This will
	 * prevent plugins from working and core functionality, if you don't include api.sitepad.org.
	 *
	 * You block external URL requests by defining WP_HTTP_BLOCK_EXTERNAL as true in your wp-config.php
	 * file and this will only allow localhost and your site to make requests. The constant
	 * WP_ACCESSIBLE_HOSTS will allow additional hosts to go through for requests. The format of the
	 * WP_ACCESSIBLE_HOSTS constant is a comma separated list of hostnames to allow, wildcard domains
	 * are supported, eg *.wordpress.org will allow for all subdomains of wordpress.org to be contacted.
	 *
	 * @since 2.8.0
	 * @link https://core.trac.wordpress.org/ticket/8927 Allow preventing external requests.
	 * @link https://core.trac.wordpress.org/ticket/14636 Allow wildcard domains in WP_ACCESSIBLE_HOSTS
	 *
	 * @staticvar array|null $accessible_hosts
	 * @staticvar array      $wildcard_regex
	 *
	 * @param string $uri URI of url.
	 * @return bool True to block, false to allow.
	 */
	public function block_request( $uri ) {
		// We don't need to block requests, because nothing is blocked.
		if ( ! defined( 'WP_HTTP_BLOCK_EXTERNAL' ) || ! WP_HTTP_BLOCK_EXTERNAL ) {
			return false;
		}

		$check = parse_url( $uri );
		if ( ! $check ) {
			return true;
		}

		$home = parse_url( get_option( 'siteurl' ) );

		// Don't block requests back to ourselves by default.
		if ( 'localhost' == $check['host'] || ( isset( $home['host'] ) && $home['host'] == $check['host'] ) ) {
			/**
			 * Filters whether to block local requests through the proxy.
			 *
			 * @since 2.8.0
			 *
			 * @param bool $block Whether to block local requests through proxy.
			 *                    Default false.
			 */
			return apply_filters( 'block_local_requests', false );
		}

		if ( ! defined( 'WP_ACCESSIBLE_HOSTS' ) ) {
			return true;
		}

		static $accessible_hosts = null;
		static $wildcard_regex   = array();
		if ( null === $accessible_hosts ) {
			$accessible_hosts = preg_split( '|,\s*|', WP_ACCESSIBLE_HOSTS );

			if ( false !== strpos( WP_ACCESSIBLE_HOSTS, '*' ) ) {
				$wildcard_regex = array();
				foreach ( $accessible_hosts as $host ) {
					$wildcard_regex[] = str_replace( '\*', '.+', preg_quote( $host, '/' ) );
				}
				$wildcard_regex = '/^(' . implode( '|', $wildcard_regex ) . ')$/i';
			}
		}

		if ( ! empty( $wildcard_regex ) ) {
			return ! preg_match( $wildcard_regex, $check['host'] );
		} else {
			return ! in_array( $check['host'], $accessible_hosts ); //Inverse logic, If it's in the array, then we can't access it.
		}

	}

	/**
	 * Used as a wrapper for PHP's parse_url() function that handles edgecases in < PHP 5.4.7.
	 *
	 * @deprecated 4.4.0 Use wp_parse_url()
	 * @see wp_parse_url()
	 *
	 * @param string $url The URL to parse.
	 * @return bool|array False on failure; Array of URL components on success;
	 *                    See parse_url()'s return values.
	 */
	protected static function parse_url( $url ) {
		_deprecated_function( __METHOD__, '4.4.0', 'wp_parse_url()' );
		return wp_parse_url( $url );
	}

	/**
	 * Converts a relative URL to an absolute URL relative to a given URL.
	 *
	 * If an Absolute URL is provided, no processing of that URL is done.
	 *
	 * @since 3.4.0
	 *
	 * @param string $maybe_relative_path The URL which might be relative
	 * @param string $url                 The URL which $maybe_relative_path is relative to
	 * @return string An Absolute URL, in a failure condition where the URL cannot be parsed, the relative URL will be returned.
	 */
	public static function make_absolute_url( $maybe_relative_path, $url ) {
		if ( empty( $url ) ) {
			return $maybe_relative_path;
		}

		if ( ! $url_parts = wp_parse_url( $url ) ) {
			return $maybe_relative_path;
		}

		if ( ! $relative_url_parts = wp_parse_url( $maybe_relative_path ) ) {
			return $maybe_relative_path;
		}

		// Check for a scheme on the 'relative' url
		if ( ! empty( $relative_url_parts['scheme'] ) ) {
			return $maybe_relative_path;
		}

		$absolute_path = $url_parts['scheme'] . '://';

		// Schemeless URL's will make it this far, so we check for a host in the relative url and convert it to a protocol-url
		if ( isset( $relative_url_parts['host'] ) ) {
			$absolute_path .= $relative_url_parts['host'];
			if ( isset( $relative_url_parts['port'] ) ) {
				$absolute_path .= ':' . $relative_url_parts['port'];
			}
		} else {
			$absolute_path .= $url_parts['host'];
			if ( isset( $url_parts['port'] ) ) {
				$absolute_path .= ':' . $url_parts['port'];
			}
		}

		// Start off with the Absolute URL path.
		$path = ! empty( $url_parts['path'] ) ? $url_parts['path'] : '/';

		// If it's a root-relative path, then great.
		if ( ! empty( $relative_url_parts['path'] ) && '/' == $relative_url_parts['path'][0] ) {
			$path = $relative_url_parts['path'];

			// Else it's a relative path.
		} elseif ( ! empty( $relative_url_parts['path'] ) ) {
			// Strip off any file components from the absolute path.
			$path = substr( $path, 0, strrpos( $path, '/' ) + 1 );

			// Build the new path.
			$path .= $relative_url_parts['path'];

			// Strip all /path/../ out of the path.
			while ( strpos( $path, '../' ) > 1 ) {
				$path = preg_replace( '![^/]+/\.\./!', '', $path );
			}

			// Strip any final leading ../ from the path.
			$path = preg_replace( '!^/(\.\./)+!', '', $path );
		}

		// Add the Query string.
		if ( ! empty( $relative_url_parts['query'] ) ) {
			$path .= '?' . $relative_url_parts['query'];
		}

		return $absolute_path . '/' . ltrim( $path, '/' );
	}

	/**
	 * Handles HTTP Redirects and follows them if appropriate.
	 *
	 * @since 3.7.0
	 *
	 * @param string $url The URL which was requested.
	 * @param array $args The Arguments which were used to make the request.
	 * @param array $response The Response of the HTTP request.
	 * @return false|object False if no redirect is present, a WP_HTTP or WP_Error result otherwise.
	 */
	public static function handle_redirects( $url, $args, $response ) {
		// If no redirects are present, or, redirects were not requested, perform no action.
		if ( ! isset( $response['headers']['location'] ) || 0 === $args['_redirection'] ) {
			return false;
		}

		// Only perform redirections on redirection http codes.
		if ( $response['response']['code'] > 399 || $response['response']['code'] < 300 ) {
			return false;
		}

		// Don't redirect if we've run out of redirects.
		if ( $args['redirection']-- <= 0 ) {
			return new WP_Error( 'http_request_failed', __( 'Too many redirects.' ) );
		}

		$redirect_location = $response['headers']['location'];

		// If there were multiple Location headers, use the last header specified.
		if ( is_array( $redirect_location ) ) {
			$redirect_location = array_pop( $redirect_location );
		}

		$redirect_location = WP_Http::make_absolute_url( $redirect_location, $url );

		// POST requests should not POST to a redirected location.
		if ( 'POST' == $args['method'] ) {
			if ( in_array( $response['response']['code'], array( 302, 303 ) ) ) {
				$args['method'] = 'GET';
			}
		}

		// Include valid cookies in the redirect process.
		if ( ! empty( $response['cookies'] ) ) {
			foreach ( $response['cookies'] as $cookie ) {
				if ( $cookie->test( $redirect_location ) ) {
					$args['cookies'][] = $cookie;
				}
			}
		}

		return wp_remote_request( $redirect_location, $args );
	}

	/**
	 * Determines if a specified string represents an IP address or not.
	 *
	 * This function also detects the type of the IP address, returning either
	 * '4' or '6' to represent a IPv4 and IPv6 address respectively.
	 * This does not verify if the IP is a valid IP, only that it appears to be
	 * an IP address.
	 *
	 * @link http://home.deds.nl/~aeron/regex/ for IPv6 regex
	 *
	 * @since 3.7.0
	 *
	 * @param string $maybe_ip A suspected IP address
	 * @return integer|bool Upon success, '4' or '6' to represent a IPv4 or IPv6 address, false upon failure
	 */
	public static function is_ip_address( $maybe_ip ) {
		if ( preg_match( '/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/', $maybe_ip ) ) {
			return 4;
		}

		if ( false !== strpos( $maybe_ip, ':' ) && preg_match( '/^(((?=.*(::))(?!.*\3.+\3))\3?|([\dA-F]{1,4}(\3|:\b|$)|\2))(?4){5}((?4){2}|(((2[0-4]|1\d|[1-9])?\d|25[0-5])\.?\b){4})$/i', trim( $maybe_ip, ' []' ) ) ) {
			return 6;
		}

		return false;
	}

}

Edit Rename Chmod Delete

FILE FOLDER

Name	Size	Permission
ID3	---	0755
IXR	---	0755
PHPMailer	---	0755
Requests	---	0755
SimplePie	---	0755
Text	---	0755
certificates	---	0755
css	---	0755
customize	---	0755
fonts	---	0755
images	---	0755
js	---	0755
pomo	---	0755
random_compat	---	0755
rest-api	---	0755
theme-compat	---	0755
widgets	---	0755
admin-bar.php	29722 bytes	0644
atomlib.php	11839 bytes	0644
author-template.php	16607 bytes	0644
blocks.php	12724 bytes	0644
bookmark-template.php	11918 bytes	0644
bookmark.php	13876 bytes	0644
bootstrap.php	4209 bytes	0644
cache.php	21867 bytes	0644
canonical.php	28495 bytes	0644
capabilities.php	29532 bytes	0644
category-template.php	52019 bytes	0644
category.php	12712 bytes	0644
class-IXR.php	2573 bytes	0644
class-feed.php	523 bytes	0644
class-http.php	37091 bytes	0644
class-json.php	40475 bytes	0644
class-oembed.php	31471 bytes	0644
class-phpass.php	7317 bytes	0644
class-phpmailer.php	668 bytes	0644
class-pop3.php	20919 bytes	0644
class-requests.php	29790 bytes	0644
class-simplepie.php	89264 bytes	0644
class-smtp.php	461 bytes	0644
class-walker-category-dropdown.php	2124 bytes	0644
class-walker-category.php	6779 bytes	0644
class-walker-comment.php	13654 bytes	0644
class-walker-nav-menu.php	8577 bytes	0644
class-walker-page-dropdown.php	2298 bytes	0644
class-walker-page.php	6947 bytes	0644
class-wp-admin-bar.php	16464 bytes	0644
class-wp-ajax-response.php	5127 bytes	0644
class-wp-block-parser.php	15218 bytes	0644
class-wp-block-type-registry.php	4744 bytes	0644
class-wp-block-type.php	4815 bytes	0644
class-wp-comment-query.php	43223 bytes	0644
class-wp-comment.php	8961 bytes	0644
class-wp-customize-control.php	25077 bytes	0644
class-wp-customize-manager.php	200161 bytes	0644
class-wp-customize-nav-menus.php	54354 bytes	0644
class-wp-customize-panel.php	9647 bytes	0644
class-wp-customize-section.php	10229 bytes	0644
class-wp-customize-setting.php	28249 bytes	0644
class-wp-dependency.php	2335 bytes	0644
class-wp-editor.php	67857 bytes	0644
class-wp-embed.php	14729 bytes	0644
class-wp-error.php	4923 bytes	0644
class-wp-feed-cache-transient.php	2560 bytes	0644
class-wp-feed-cache.php	749 bytes	0644
class-wp-hook.php	14105 bytes	0644
class-wp-http-cookie.php	6591 bytes	0644
class-wp-http-curl.php	11922 bytes	0644
class-wp-http-encoding.php	6503 bytes	0644
class-wp-http-ixr-client.php	3326 bytes	0644
class-wp-http-proxy.php	6061 bytes	0644
class-wp-http-requests-hooks.php	1873 bytes	0644
class-wp-http-requests-response.php	4293 bytes	0644
class-wp-http-response.php	2871 bytes	0644
class-wp-http-streams.php	15382 bytes	0644
class-wp-image-editor-gd.php	13494 bytes	0644
class-wp-image-editor-imagick.php	21777 bytes	0644
class-wp-image-editor.php	11761 bytes	0644
class-wp-list-util.php	6396 bytes	0644
class-wp-locale-switcher.php	5026 bytes	0644
class-wp-locale.php	14600 bytes	0644
class-wp-matchesmapregex.php	1804 bytes	0644
class-wp-meta-query.php	23407 bytes	0644
class-wp-metadata-lazyloader.php	5384 bytes	0644
class-wp-network-query.php	17193 bytes	0644
class-wp-network.php	12217 bytes	0644
class-wp-oembed-controller.php	6021 bytes	0644
class-wp-post-type.php	18236 bytes	0644
class-wp-post.php	6431 bytes	0644
class-wp-query.php	130731 bytes	0644
class-wp-rewrite.php	59821 bytes	0644
class-wp-role.php	2661 bytes	0644
class-wp-roles.php	8328 bytes	0644
class-wp-session-tokens.php	7421 bytes	0644
class-wp-simplepie-file.php	2326 bytes	0644
class-wp-simplepie-sanitize-kses.php	1775 bytes	0644
class-wp-site-query.php	27427 bytes	0644
class-wp-site.php	7304 bytes	0644
class-wp-tax-query.php	19262 bytes	0644
class-wp-taxonomy.php	10661 bytes	0644
class-wp-term-query.php	34656 bytes	0644
class-wp-term.php	5265 bytes	0644
class-wp-text-diff-renderer-inline.php	716 bytes	0644
class-wp-text-diff-renderer-table.php	16442 bytes	0644
class-wp-theme.php	49242 bytes	0644
class-wp-user-meta-session-tokens.php	2990 bytes	0644
class-wp-user-query.php	31224 bytes	0644
class-wp-user.php	21414 bytes	0644
class-wp-walker.php	12687 bytes	0644
class-wp-widget-factory.php	3778 bytes	0644
class-wp-widget.php	17831 bytes	0644
class-wp-xmlrpc-server.php	206930 bytes	0644
class-wp.php	24758 bytes	0644
class.wp-dependencies.php	11512 bytes	0644
class.wp-scripts.php	17188 bytes	0644
class.wp-styles.php	9839 bytes	0644
comment-template.php	89740 bytes	0644
comment.php	114404 bytes	0644
compat.php	16371 bytes	0644
cron.php	31563 bytes	0644
date.php	35161 bytes	0644
default-constants.php	9837 bytes	0644
default-filters.php	25275 bytes	0644
default-widgets.php	2180 bytes	0644
embed.php	45092 bytes	0644
feed-atom-comments.php	5460 bytes	0644
feed-atom.php	3166 bytes	0644
feed-rdf.php	2731 bytes	0644
feed-rss.php	1277 bytes	0644
feed-rss2-comments.php	4185 bytes	0644
feed-rss2.php	3857 bytes	0644
feed.php	19753 bytes	0644
formatting.php	285381 bytes	0644
functions.php	212172 bytes	0644
functions.wp-scripts.php	12827 bytes	0644
functions.wp-styles.php	8219 bytes	0644
general-template.php	141778 bytes	0644
http.php	22424 bytes	0644
kses.php	57076 bytes	0644
l10n.php	51796 bytes	0644
link-template.php	138649 bytes	0644
load.php	37278 bytes	0644
media-template.php	47439 bytes	0644
media.php	144726 bytes	0644
meta.php	46055 bytes	0644
mime.php	40486 bytes	0644
nav-menu-template.php	21706 bytes	0644
nav-menu.php	40523 bytes	0644
open_basedir.php	21 bytes	0644
option.php	69537 bytes	0644
pluggable.php	99857 bytes	0644
plugin.php	32125 bytes	0644
post-formats.php	7024 bytes	0644
post-template.php	61508 bytes	0644
post-thumbnail-template.php	8957 bytes	0644
post.php	232830 bytes	0644
query.php	31986 bytes	0644
rest-api.php	41646 bytes	0644
revision.php	21586 bytes	0644
rewrite.php	17685 bytes	0644
rss.php	23208 bytes	0644
script-loader.php	101123 bytes	0644
shortcodes.php	20740 bytes	0644
sitepad_functions.php	19718 bytes	0644
sitepad_functions2.php	22517 bytes	0644
spl-autoload-compat.php	2574 bytes	0644
taxonomy.php	156621 bytes	0644
template-loader.php	2616 bytes	0644
template.php	20246 bytes	0644
theme.php	101470 bytes	0644
update.php	25401 bytes	0644
user.php	123586 bytes	0644
vars.php	5722 bytes	0644
version.php	2081 bytes	0644
widgets.php	57156 bytes	0644
wlwmanifest.xml	1051 bytes	0644
wp-db.php	101671 bytes	0644
wp-diff.php	662 bytes	0644

File Content: class-http.php

File Content: `class-http.php`