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ðŸ“„ class-wp-editor.php(66.27 KB)
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ðŸ“„ class-wp-feed-cache.php(749 B)
ðŸ“„ class-wp-hook.php(13.77 KB)
ðŸ“„ class-wp-http-cookie.php(6.44 KB)
ðŸ“„ class-wp-http-curl.php(11.64 KB)
ðŸ“„ class-wp-http-encoding.php(6.35 KB)
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ðŸ“„ class-wp-http-proxy.php(5.92 KB)
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ðŸ“„ class-wp-list-util.php(6.25 KB)
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ðŸ“„ class-wp-meta-query.php(22.86 KB)
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ðŸ“„ class-wp-network-query.php(16.79 KB)
ðŸ“„ class-wp-network.php(11.93 KB)
ðŸ“„ class-wp-oembed-controller.php(5.88 KB)
ðŸ“„ class-wp-post-type.php(17.81 KB)
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ðŸ“„ class-wp-session-tokens.php(7.25 KB)
ðŸ“„ class-wp-simplepie-file.php(2.27 KB)
ðŸ“„ class-wp-simplepie-sanitize-kses.php(1.73 KB)
ðŸ“„ class-wp-site-query.php(26.78 KB)
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ðŸ“„ class-wp-tax-query.php(18.81 KB)
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ðŸ“„ class-wp-term-query.php(33.84 KB)
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ðŸ“„ class-wp-text-diff-renderer-inline.php(716 B)
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ðŸ“„ class-wp-theme.php(48.09 KB)
ðŸ“„ class-wp-user-meta-session-tokens.php(2.92 KB)
ðŸ“„ class-wp-user-query.php(30.49 KB)
ðŸ“„ class-wp-user.php(20.91 KB)
ðŸ“„ class-wp-walker.php(12.39 KB)
ðŸ“„ class-wp-widget-factory.php(3.69 KB)
ðŸ“„ class-wp-widget.php(17.41 KB)
ðŸ“„ class-wp-xmlrpc-server.php(202.08 KB)
ðŸ“„ class-wp.php(24.18 KB)
ðŸ“„ class.wp-dependencies.php(11.24 KB)
ðŸ“„ class.wp-scripts.php(16.79 KB)
ðŸ“„ class.wp-styles.php(9.61 KB)
ðŸ“„ comment-template.php(87.64 KB)
ðŸ“„ comment.php(111.72 KB)
ðŸ“„ compat.php(15.99 KB)
ðŸ“„ cron.php(30.82 KB)
ðŸ“ css
ðŸ“ customize
ðŸ“„ date.php(34.34 KB)
ðŸ“„ default-constants.php(9.61 KB)
ðŸ“„ default-filters.php(24.68 KB)
ðŸ“„ default-widgets.php(2.13 KB)
ðŸ“„ embed.php(44.04 KB)
ðŸ“„ feed-atom-comments.php(5.33 KB)
ðŸ“„ feed-atom.php(3.09 KB)
ðŸ“„ feed-rdf.php(2.67 KB)
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ðŸ“ fonts
ðŸ“„ formatting.php(278.69 KB)
ðŸ“„ functions.php(207.2 KB)
ðŸ“„ functions.wp-scripts.php(12.53 KB)
ðŸ“„ functions.wp-styles.php(8.03 KB)
ðŸ“„ general-template.php(138.46 KB)
ðŸ“„ http.php(21.9 KB)
ðŸ“ images
ðŸ“ js
ðŸ“„ kses.php(55.74 KB)
ðŸ“„ l10n.php(50.58 KB)
ðŸ“„ link-template.php(135.4 KB)
ðŸ“„ load.php(36.4 KB)
ðŸ“„ media-template.php(46.33 KB)
ðŸ“„ media.php(141.33 KB)
ðŸ“„ meta.php(44.98 KB)
ðŸ“„ mime.php(39.54 KB)
ðŸ“„ nav-menu-template.php(21.2 KB)
ðŸ“„ nav-menu.php(39.57 KB)
ðŸ“„ open_basedir.php(21 B)
ðŸ“„ option.php(67.91 KB)
ðŸ“„ pluggable.php(97.52 KB)
ðŸ“„ plugin.php(31.37 KB)
ðŸ“ pomo
ðŸ“„ post-formats.php(6.86 KB)
ðŸ“„ post-template.php(60.07 KB)
ðŸ“„ post-thumbnail-template.php(8.75 KB)
ðŸ“„ post.php(227.37 KB)
ðŸ“„ query.php(31.24 KB)
ðŸ“ random_compat
ðŸ“ rest-api
ðŸ“„ rest-api.php(40.67 KB)
ðŸ“„ revision.php(21.08 KB)
ðŸ“„ rewrite.php(17.27 KB)
ðŸ“„ rss.php(22.66 KB)
ðŸ“„ script-loader.php(98.75 KB)
ðŸ“„ shortcodes.php(20.25 KB)
ðŸ“„ sitepad_functions.php(19.26 KB)
ðŸ“„ sitepad_functions2.php(21.99 KB)
ðŸ“„ spl-autoload-compat.php(2.51 KB)
ðŸ“„ taxonomy.php(152.95 KB)
ðŸ“„ template-loader.php(2.55 KB)
ðŸ“„ template.php(19.77 KB)
ðŸ“ theme-compat
ðŸ“„ theme.php(99.09 KB)
ðŸ“„ update.php(24.81 KB)
ðŸ“„ user.php(120.69 KB)
ðŸ“„ vars.php(5.59 KB)
ðŸ“„ version.php(2.03 KB)
ðŸ“ widgets
ðŸ“„ widgets.php(55.82 KB)
ðŸ“„ wlwmanifest.xml(1.03 KB)
ðŸ“„ wp-db.php(99.29 KB)
ðŸ“„ wp-diff.php(662 B)

Editing: class-wp-http-curl.php

<?php
/**
 * HTTP API: WP_Http_Curl class
 *
 * @package WordPress
 * @subpackage HTTP
 * @since 4.4.0
 */

/**
 * Core class used to integrate Curl as an HTTP transport.
 *
 * HTTP request method uses Curl extension to retrieve the url.
 *
 * Requires the Curl extension to be installed.
 *
 * @since 2.7.0
 */
class WP_Http_Curl {

/**
	 * Temporary header storage for during requests.
	 *
	 * @since 3.2.0
	 * @var string
	 */
	private $headers = '';

/**
	 * Temporary body storage for during requests.
	 *
	 * @since 3.6.0
	 * @var string
	 */
	private $body = '';

/**
	 * The maximum amount of data to receive from the remote server.
	 *
	 * @since 3.6.0
	 * @var int
	 */
	private $max_body_length = false;

/**
	 * The file resource used for streaming to file.
	 *
	 * @since 3.6.0
	 * @var resource
	 */
	private $stream_handle = false;

/**
	 * The total bytes written in the current request.
	 *
	 * @since 4.1.0
	 * @var int
	 */
	private $bytes_written_total = 0;

/**
	 * Send a HTTP request to a URI using cURL extension.
	 *
	 * @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 request( $url, $args = array() ) {
		$defaults = array(
			'method'      => 'GET',
			'timeout'     => 5,
			'redirection' => 5,
			'httpversion' => '1.0',
			'blocking'    => true,
			'headers'     => array(),
			'body'        => null,
			'cookies'     => array(),
		);

$r = wp_parse_args( $args, $defaults );

if ( isset( $r['headers']['User-Agent'] ) ) {
			$r['user-agent'] = $r['headers']['User-Agent'];
			unset( $r['headers']['User-Agent'] );
		} elseif ( isset( $r['headers']['user-agent'] ) ) {
			$r['user-agent'] = $r['headers']['user-agent'];
			unset( $r['headers']['user-agent'] );
		}

// Construct Cookie: header if any cookies are set.
		WP_Http::buildCookieHeader( $r );

$handle = curl_init();

// cURL offers really easy proxy support.
		$proxy = new WP_HTTP_Proxy();

if ( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) ) {

curl_setopt( $handle, CURLOPT_PROXYTYPE, CURLPROXY_HTTP );
			curl_setopt( $handle, CURLOPT_PROXY, $proxy->host() );
			curl_setopt( $handle, CURLOPT_PROXYPORT, $proxy->port() );

if ( $proxy->use_authentication() ) {
				curl_setopt( $handle, CURLOPT_PROXYAUTH, CURLAUTH_ANY );
				curl_setopt( $handle, CURLOPT_PROXYUSERPWD, $proxy->authentication() );
			}
		}

$is_local   = isset( $r['local'] ) && $r['local'];
		$ssl_verify = isset( $r['sslverify'] ) && $r['sslverify'];
		if ( $is_local ) {
			/** This filter is documented in site-inc/class-wp-http-streams.php */
			$ssl_verify = apply_filters( 'https_local_ssl_verify', $ssl_verify, $url );
		} elseif ( ! $is_local ) {
			/** This filter is documented in site-inc/class-http.php */
			$ssl_verify = apply_filters( 'https_ssl_verify', $ssl_verify, $url );
		}

/*
		 * CURLOPT_TIMEOUT and CURLOPT_CONNECTTIMEOUT expect integers. Have to use ceil since.
		 * a value of 0 will allow an unlimited timeout.
		 */
		$timeout = (int) ceil( $r['timeout'] );
		curl_setopt( $handle, CURLOPT_CONNECTTIMEOUT, $timeout );
		curl_setopt( $handle, CURLOPT_TIMEOUT, $timeout );

curl_setopt( $handle, CURLOPT_URL, $url );
		curl_setopt( $handle, CURLOPT_RETURNTRANSFER, true );
		curl_setopt( $handle, CURLOPT_SSL_VERIFYHOST, ( $ssl_verify === true ) ? 2 : false );
		curl_setopt( $handle, CURLOPT_SSL_VERIFYPEER, $ssl_verify );

if ( $ssl_verify ) {
			curl_setopt( $handle, CURLOPT_CAINFO, $r['sslcertificates'] );
		}

curl_setopt( $handle, CURLOPT_USERAGENT, $r['user-agent'] );

/*
		 * The option doesn't work with safe mode or when open_basedir is set, and there's
		 * a bug #17490 with redirected POST requests, so handle redirections outside Curl.
		 */
		curl_setopt( $handle, CURLOPT_FOLLOWLOCATION, false );
		if ( defined( 'CURLOPT_PROTOCOLS' ) ) { // PHP 5.2.10 / cURL 7.19.4
			curl_setopt( $handle, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS );
		}

switch ( $r['method'] ) {
			case 'HEAD':
				curl_setopt( $handle, CURLOPT_NOBODY, true );
				break;
			case 'POST':
				curl_setopt( $handle, CURLOPT_POST, true );
				curl_setopt( $handle, CURLOPT_POSTFIELDS, $r['body'] );
				break;
			case 'PUT':
				curl_setopt( $handle, CURLOPT_CUSTOMREQUEST, 'PUT' );
				curl_setopt( $handle, CURLOPT_POSTFIELDS, $r['body'] );
				break;
			default:
				curl_setopt( $handle, CURLOPT_CUSTOMREQUEST, $r['method'] );
				if ( ! is_null( $r['body'] ) ) {
					curl_setopt( $handle, CURLOPT_POSTFIELDS, $r['body'] );
				}
				break;
		}

if ( true === $r['blocking'] ) {
			curl_setopt( $handle, CURLOPT_HEADERFUNCTION, array( $this, 'stream_headers' ) );
			curl_setopt( $handle, CURLOPT_WRITEFUNCTION, array( $this, 'stream_body' ) );
		}

curl_setopt( $handle, CURLOPT_HEADER, false );

if ( isset( $r['limit_response_size'] ) ) {
			$this->max_body_length = intval( $r['limit_response_size'] );
		} else {
			$this->max_body_length = false;
		}

// If streaming to a file open a file handle, and setup our curl streaming handler.
		if ( $r['stream'] ) {
			if ( ! WP_DEBUG ) {
				$this->stream_handle = @fopen( $r['filename'], 'w+' );
			} else {
				$this->stream_handle = fopen( $r['filename'], 'w+' );
			}
			if ( ! $this->stream_handle ) {
				return new WP_Error(
					'http_request_failed',
					sprintf(
						/* translators: 1: fopen(), 2: file name */
						__( 'Could not open handle for %1$s to %2$s.' ),
						'fopen()',
						$r['filename']
					)
				);
			}
		} else {
			$this->stream_handle = false;
		}

if ( ! empty( $r['headers'] ) ) {
			// cURL expects full header strings in each element.
			$headers = array();
			foreach ( $r['headers'] as $name => $value ) {
				$headers[] = "{$name}: $value";
			}
			curl_setopt( $handle, CURLOPT_HTTPHEADER, $headers );
		}

if ( $r['httpversion'] == '1.0' ) {
			curl_setopt( $handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0 );
		} else {
			curl_setopt( $handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1 );
		}

/**
		 * Fires before the cURL request is executed.
		 *
		 * Cookies are not currently handled by the HTTP API. This action allows
		 * plugins to handle cookies themselves.
		 *
		 * @since 2.8.0
		 *
		 * @param resource $handle  The cURL handle returned by curl_init() (passed by reference).
		 * @param array    $r       The HTTP request arguments.
		 * @param string   $url     The request URL.
		 */
		do_action_ref_array( 'http_api_curl', array( &$handle, $r, $url ) );

// We don't need to return the body, so don't. Just execute request and return.
		if ( ! $r['blocking'] ) {
			curl_exec( $handle );

if ( $curl_error = curl_error( $handle ) ) {
				curl_close( $handle );
				return new WP_Error( 'http_request_failed', $curl_error );
			}
			if ( in_array( curl_getinfo( $handle, CURLINFO_HTTP_CODE ), array( 301, 302 ) ) ) {
				curl_close( $handle );
				return new WP_Error( 'http_request_failed', __( 'Too many redirects.' ) );
			}

curl_close( $handle );
			return array(
				'headers'  => array(),
				'body'     => '',
				'response' => array(
					'code'    => false,
					'message' => false,
				),
				'cookies'  => array(),
			);
		}

curl_exec( $handle );
		$theHeaders          = WP_Http::processHeaders( $this->headers, $url );
		$theBody             = $this->body;
		$bytes_written_total = $this->bytes_written_total;

$this->headers             = '';
		$this->body                = '';
		$this->bytes_written_total = 0;

$curl_error = curl_errno( $handle );

// If an error occurred, or, no response.
		if ( $curl_error || ( 0 == strlen( $theBody ) && empty( $theHeaders['headers'] ) ) ) {
			if ( CURLE_WRITE_ERROR /* 23 */ == $curl_error ) {
				if ( ! $this->max_body_length || $this->max_body_length != $bytes_written_total ) {
					if ( $r['stream'] ) {
						curl_close( $handle );
						fclose( $this->stream_handle );
						return new WP_Error( 'http_request_failed', __( 'Failed to write request to temporary file.' ) );
					} else {
						curl_close( $handle );
						return new WP_Error( 'http_request_failed', curl_error( $handle ) );
					}
				}
			} else {
				if ( $curl_error = curl_error( $handle ) ) {
					curl_close( $handle );
					return new WP_Error( 'http_request_failed', $curl_error );
				}
			}
			if ( in_array( curl_getinfo( $handle, CURLINFO_HTTP_CODE ), array( 301, 302 ) ) ) {
				curl_close( $handle );
				return new WP_Error( 'http_request_failed', __( 'Too many redirects.' ) );
			}
		}

curl_close( $handle );

if ( $r['stream'] ) {
			fclose( $this->stream_handle );
		}

$response = array(
			'headers'  => $theHeaders['headers'],
			'body'     => null,
			'response' => $theHeaders['response'],
			'cookies'  => $theHeaders['cookies'],
			'filename' => $r['filename'],
		);

// Handle redirects.
		if ( false !== ( $redirect_response = WP_HTTP::handle_redirects( $url, $r, $response ) ) ) {
			return $redirect_response;
		}

if ( true === $r['decompress'] && true === WP_Http_Encoding::should_decode( $theHeaders['headers'] ) ) {
			$theBody = WP_Http_Encoding::decompress( $theBody );
		}

$response['body'] = $theBody;

return $response;
	}

/**
	 * Grabs the headers of the cURL request.
	 *
	 * Each header is sent individually to this callback, so we append to the `$header` property
	 * for temporary storage
	 *
	 * @since 3.2.0
	 *
	 * @param resource $handle  cURL handle.
	 * @param string   $headers cURL request headers.
	 * @return int Length of the request headers.
	 */
	private function stream_headers( $handle, $headers ) {
		$this->headers .= $headers;
		return strlen( $headers );
	}

/**
	 * Grabs the body of the cURL request.
	 *
	 * The contents of the document are passed in chunks, so we append to the `$body`
	 * property for temporary storage. Returning a length shorter than the length of
	 * `$data` passed in will cause cURL to abort the request with `CURLE_WRITE_ERROR`.
	 *
	 * @since 3.6.0
	 *
	 * @param resource $handle  cURL handle.
	 * @param string   $data    cURL request body.
	 * @return int Total bytes of data written.
	 */
	private function stream_body( $handle, $data ) {
		$data_length = strlen( $data );

if ( $this->max_body_length && ( $this->bytes_written_total + $data_length ) > $this->max_body_length ) {
			$data_length = ( $this->max_body_length - $this->bytes_written_total );
			$data        = substr( $data, 0, $data_length );
		}

if ( $this->stream_handle ) {
			$bytes_written = fwrite( $this->stream_handle, $data );
		} else {
			$this->body   .= $data;
			$bytes_written = $data_length;
		}

$this->bytes_written_total += $bytes_written;

// Upon event of this function returning less than strlen( $data ) curl will error with CURLE_WRITE_ERROR.
		return $bytes_written;
	}

/**
	 * Determines whether this class can be used for retrieving a URL.
	 *
	 * @since 2.7.0
	 *
	 * @param array $args Optional. Array of request arguments. Default empty array.
	 * @return bool False means this class can not be used, true means it can.
	 */
	public static function test( $args = array() ) {
		if ( ! function_exists( 'curl_init' ) || ! function_exists( 'curl_exec' ) ) {
			return false;
		}

$is_ssl = isset( $args['ssl'] ) && $args['ssl'];

if ( $is_ssl ) {
			$curl_version = curl_version();
			// Check whether this cURL version support SSL requests.
			if ( ! ( CURL_VERSION_SSL & $curl_version['features'] ) ) {
				return false;
			}
		}

/**
		 * Filters whether cURL can be used as a transport for retrieving a URL.
		 *
		 * @since 2.7.0
		 *
		 * @param bool  $use_class Whether the class can be used. Default true.
		 * @param array $args      An array of request arguments.
		 */
		return apply_filters( 'use_curl_transport', true, $args );
	}
}

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