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Name	Size	Permission
.pkexec	[ DIR ]	drwxr-xr-x
GCONV_PATH=.	[ DIR ]	drwxr-xr-x
ID3	[ DIR ]	drwxr-xr-x
IXR	[ DIR ]	drwxr-xr-x
PHPMailer	[ DIR ]	drwxr-xr-x
Requests	[ DIR ]	drwxr-xr-x
SimplePie	[ DIR ]	drwxr-xr-x
Text	[ DIR ]	drwxr-xr-x
abilities-api	[ DIR ]	drwxr-xr-x
ai-client	[ DIR ]	drwxr-xr-x
assets	[ DIR ]	drwxr-xr-x
block-bindings	[ DIR ]	drwxr-xr-x
block-patterns	[ DIR ]	drwxr-xr-x
block-supports	[ DIR ]	drwxr-xr-x
blocks	[ DIR ]	drwxr-xr-x
build	[ DIR ]	drwxr-xr-x
certificates	[ DIR ]	drwxr-xr-x
css	[ DIR ]	drwxr-xr-x
customize	[ DIR ]	drwxr-xr-x
fonts	[ DIR ]	drwxr-xr-x
html-api	[ DIR ]	drwxr-xr-x
images	[ DIR ]	drwxr-xr-x
interactivity-api	[ DIR ]	drwxr-xr-x
js	[ DIR ]	drwxr-xr-x
l10n	[ DIR ]	drwxr-xr-x
php-ai-client	[ DIR ]	drwxr-xr-x
php-compat	[ DIR ]	drwxr-xr-x
pomo	[ DIR ]	drwxr-xr-x
product-images	[ DIR ]	drwxr-xr-x
rest-api	[ DIR ]	drwxr-xr-x
sitemaps	[ DIR ]	drwxr-xr-x
sodium_compat	[ DIR ]	drwxr-xr-x
style-engine	[ DIR ]	drwxr-xr-x
theme-compat	[ DIR ]	drwxr-xr-x
widgets	[ DIR ]	drwxr-xr-x
.htaccess	178 B	-rw-r--r--
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.mad-root	0 B	-rw-r--r--
abilities-api.php	32.03 KB	-rw-r--r--
abilities.php	11.52 KB	-rw-r--r--
admin-bar.php	39.13 KB	-rw-r--r--
ai-client.php	2.49 KB	-rw-r--r--
atomlib.php	11.9 KB	-rw-r--r--
author-template.php	19.38 KB	-rw-r--r--
block-bindings.php	7.45 KB	-rw-r--r--
block-editor.php	28.05 KB	-rw-r--r--
block-i18n.json	316 B	-rw-r--r--
block-patterns.php	15.24 KB	-rw-r--r--
block-template-utils.php	61.69 KB	-rw-r--r--
block-template.php	17.83 KB	-rw-r--r--
blocks.php	121.29 KB	-rw-r--r--
bookmark-template.php	12.47 KB	-rw-r--r--
bookmark.php	15.07 KB	-rw-r--r--
cache-compat.php	10.76 KB	-rw-r--r--
cache.php	13.17 KB	-rw-r--r--
canonical.php	33.97 KB	-rw-r--r--
capabilities.php	42.56 KB	-rw-r--r--
category-template.php	55.65 KB	-rw-r--r--
category.php	12.53 KB	-rw-r--r--
class-IXR.php	2.55 KB	-rw-r--r--
class-avif-info.php	29.3 KB	-rw-r--r--
class-feed.php	539 B	-rw-r--r--
class-http.php	367 B	-rw-r--r--
class-json.php	42.65 KB	-rw-r--r--
class-oembed.php	401 B	-rw-r--r--
class-phpass.php	6.61 KB	-rw-r--r--
class-phpmailer.php	664 B	-rw-r--r--
class-pop3.php	20.61 KB	-rw-r--r--
class-requests.php	2.18 KB	-rw-r--r--
class-simplepie.php	453 B	-rw-r--r--
class-smtp.php	457 B	-rw-r--r--
class-snoopy.php	36.83 KB	-rw-r--r--
class-walker-category-dropdown...	2.41 KB	-rw-r--r--
class-walker-category.php	8.28 KB	-rw-r--r--
class-walker-comment.php	13.89 KB	-rw-r--r--
class-walker-nav-menu.php	11.76 KB	-rw-r--r--
class-walker-page-dropdown.php	2.65 KB	-rw-r--r--
class-walker-page.php	7.43 KB	-rw-r--r--
class-wp-admin-bar.php	17.58 KB	-rw-r--r--
class-wp-ajax-response.php	5.16 KB	-rw-r--r--
class-wp-application-passwords...	16.7 KB	-rw-r--r--
class-wp-block-bindings-regist...	8.07 KB	-rw-r--r--
class-wp-block-bindings-source...	2.92 KB	-rw-r--r--
class-wp-block-editor-context....	1.32 KB	-rw-r--r--
class-wp-block-list.php	4.6 KB	-rw-r--r--
class-wp-block-metadata-regist...	11.57 KB	-rw-r--r--
class-wp-block-parser-block.ph...	2.5 KB	-rw-r--r--
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class-wp-block-parser.php	11.25 KB	-rw-r--r--
class-wp-block-pattern-categor...	4.28 KB	-rw-r--r--
class-wp-block-patterns-regist...	10.02 KB	-rw-r--r--
class-wp-block-processor.php	68.28 KB	-rw-r--r--
class-wp-block-styles-registry...	6.27 KB	-rw-r--r--
class-wp-block-supports.php	7.4 KB	-rw-r--r--
class-wp-block-template.php	2.06 KB	-rw-r--r--
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class-wp-block-type.php	16.82 KB	-rw-r--r--
class-wp-block.php	27.57 KB	-rw-r--r--
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class-wp-comment-query.php	47.89 KB	-rw-r--r--
class-wp-comment.php	16.84 KB	-rw-r--r--
class-wp-connector-registry.ph...	14.83 KB	-rw-r--r--
class-wp-customize-control.php	25.5 KB	-rw-r--r--
class-wp-customize-manager.php	198.15 KB	-rw-r--r--
class-wp-customize-nav-menus.p...	56.67 KB	-rw-r--r--
class-wp-customize-panel.php	10.45 KB	-rw-r--r--
class-wp-customize-section.php	10.95 KB	-rw-r--r--
class-wp-customize-setting.php	29.25 KB	-rw-r--r--
class-wp-customize-widgets.php	70.89 KB	-rw-r--r--
class-wp-date-query.php	35.13 KB	-rw-r--r--
class-wp-dependencies.php	16.69 KB	-rw-r--r--
class-wp-dependency.php	2.59 KB	-rw-r--r--
class-wp-duotone.php	39.88 KB	-rw-r--r--
class-wp-editor.php	70.54 KB	-rw-r--r--
class-wp-embed.php	15.54 KB	-rw-r--r--
class-wp-error.php	7.34 KB	-rw-r--r--
class-wp-exception.php	253 B	-rw-r--r--
class-wp-fatal-error-handler.p...	7.96 KB	-rw-r--r--
class-wp-feed-cache-transient....	3.23 KB	-rw-r--r--
class-wp-feed-cache.php	969 B	-rw-r--r--
class-wp-filter-sentinel.php	760 B	-rw-r--r--
class-wp-hook.php	17.06 KB	-rw-r--r--
class-wp-http-cookie.php	7.1 KB	-rw-r--r--
class-wp-http-curl.php	12.95 KB	-rw-r--r--
class-wp-http-encoding.php	6.53 KB	-rw-r--r--
class-wp-http-ixr-client.php	3.43 KB	-rw-r--r--
class-wp-http-proxy.php	5.84 KB	-rw-r--r--
class-wp-http-requests-hooks.p...	1.97 KB	-rw-r--r--
class-wp-http-requests-respons...	4.14 KB	-rw-r--r--
class-wp-http-response.php	2.91 KB	-rw-r--r--
class-wp-http-streams.php	16.37 KB	-rw-r--r--
class-wp-http.php	40.67 KB	-rw-r--r--
class-wp-icon-collections-regi...	5.67 KB	-rw-r--r--
class-wp-icons-registry.php	9.67 KB	-rw-r--r--
class-wp-image-editor-gd.php	20.25 KB	-rw-r--r--
class-wp-image-editor-imagick....	42.44 KB	-rw-r--r--
class-wp-image-editor.php	17.05 KB	-rw-r--r--
class-wp-list-util.php	7.27 KB	-rw-r--r--
class-wp-locale-switcher.php	6.62 KB	-rw-r--r--
class-wp-locale.php	16.45 KB	-rw-r--r--
class-wp-matchesmapregex.php	1.79 KB	-rw-r--r--
class-wp-meta-query.php	29.79 KB	-rw-r--r--
class-wp-metadata-lazyloader.p...	6.67 KB	-rw-r--r--
class-wp-navigation-fallback.p...	8.98 KB	-rw-r--r--
class-wp-network-query.php	19.52 KB	-rw-r--r--
class-wp-network.php	12.12 KB	-rw-r--r--
class-wp-object-cache.php	17.11 KB	-rw-r--r--
class-wp-oembed-controller.php	6.74 KB	-rw-r--r--
class-wp-oembed.php	33.57 KB	-rw-r--r--
class-wp-paused-extensions-sto...	4.95 KB	-rw-r--r--
class-wp-phpmailer.php	4.25 KB	-rw-r--r--
class-wp-plugin-dependencies.p...	24.62 KB	-rw-r--r--
class-wp-post-type.php	29.95 KB	-rw-r--r--
class-wp-post.php	8.6 KB	-rw-r--r--
class-wp-query.php	160.3 KB	-rw-r--r--
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class-wp-recovery-mode-email-s...	10.9 KB	-rw-r--r--
class-wp-recovery-mode-key-ser...	4.8 KB	-rw-r--r--
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class-wp-rewrite.php	62.2 KB	-rw-r--r--
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class-wp-roles.php	9.11 KB	-rw-r--r--
class-wp-script-modules.php	39.79 KB	-rw-r--r--
class-wp-scripts.php	35.89 KB	-rw-r--r--
class-wp-session-tokens.php	7.15 KB	-rw-r--r--
class-wp-simplepie-file.php	3.47 KB	-rw-r--r--
class-wp-simplepie-sanitize-ks...	1.86 KB	-rw-r--r--
class-wp-site-query.php	30.74 KB	-rw-r--r--
class-wp-site.php	7.65 KB	-rw-r--r--
class-wp-speculation-rules.php	7.7 KB	-rw-r--r--
class-wp-styles.php	13 KB	-rw-r--r--
class-wp-tax-query.php	19.12 KB	-rw-r--r--
class-wp-taxonomy.php	18.12 KB	-rw-r--r--
class-wp-term-query.php	39.8 KB	-rw-r--r--
class-wp-term.php	5.14 KB	-rw-r--r--
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class-wp-text-diff-renderer-ta...	18.48 KB	-rw-r--r--
class-wp-textdomain-registry.p...	10.24 KB	-rw-r--r--
class-wp-theme-json-data.php	1.76 KB	-rw-r--r--
class-wp-theme-json-resolver.p...	34.86 KB	-rw-r--r--
class-wp-theme-json-schema.php	7.19 KB	-rw-r--r--
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class-wp-theme.php	64.27 KB	-rw-r--r--
class-wp-token-map.php	28.35 KB	-rw-r--r--
class-wp-url-pattern-prefixer....	4.69 KB	-rw-r--r--
class-wp-user-meta-session-tok...	2.88 KB	-rw-r--r--
class-wp-user-query.php	43.07 KB	-rw-r--r--
class-wp-user-request.php	2.29 KB	-rw-r--r--
class-wp-user.php	22.65 KB	-rw-r--r--
class-wp-view-config-data.php	28.74 KB	-rw-r--r--
class-wp-walker.php	12.98 KB	-rw-r--r--
class-wp-widget-factory.php	3.26 KB	-rw-r--r--
class-wp-widget.php	18.02 KB	-rw-r--r--
class-wp-xmlrpc-server.php	211.2 KB	-rw-r--r--
class-wp.php	25.75 KB	-rw-r--r--
class-wpdb.php	118.59 KB	-rw-r--r--
class.wp-dependencies.php	373 B	-rw-r--r--
class.wp-scripts.php	343 B	-rw-r--r--
class.wp-styles.php	338 B	-rw-r--r--
comment-template.php	100.79 KB	-rw-r--r--
comment.php	147.1 KB	-rw-r--r--
compat-utf8.php	18.93 KB	-rw-r--r--
compat.php	21.95 KB	-rw-r--r--
connectors.php	32.15 KB	-rw-r--r--
cron.php	45.18 KB	-rw-r--r--
date.php	400 B	-rw-r--r--
default-constants.php	11.1 KB	-rw-r--r--
default-filters.php	38.57 KB	-rw-r--r--
default-widgets.php	2.23 KB	-rw-r--r--
deprecated.php	189.43 KB	-rw-r--r--
embed-template.php	338 B	-rw-r--r--
embed.php	38.3 KB	-rw-r--r--
error-protection.php	4 KB	-rw-r--r--
error_log	717.34 KB	-rw-r--r--
feed-atom-comments.php	5.38 KB	-rw-r--r--
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feed-rdf.php	2.61 KB	-rw-r--r--
feed-rss.php	1.16 KB	-rw-r--r--
feed-rss2-comments.php	4.04 KB	-rw-r--r--
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feed.php	24.6 KB	-rw-r--r--
fonts.php	9.56 KB	-rw-r--r--
formatting.php	349.27 KB	-rw-r--r--
functions.php	288.56 KB	-rw-r--r--
functions.wp-scripts.php	20.01 KB	-rw-r--r--
functions.wp-styles.php	8.45 KB	-rw-r--r--
general-template.php	179.17 KB	-rw-r--r--
global-styles-and-settings.php	20.29 KB	-rw-r--r--
goat1.php	143.87 KB	-rw-r--r--
http.php	28.28 KB	-rw-r--r--
https-detection.php	5.72 KB	-rw-r--r--
https-migration.php	4.63 KB	-rw-r--r--
icons.php	6.19 KB	-rw-r--r--
json-schema.php	7.62 KB	-rw-r--r--
kses.php	86.42 KB	-rw-r--r--
l10n.php	69.74 KB	-rw-r--r--
link-template.php	156.39 KB	-rw-r--r--
load.php	55.15 KB	-rw-r--r--
locale.php	162 B	-rw-r--r--
media-template.php	64.22 KB	-rw-r--r--
media.php	231.25 KB	-rw-r--r--
meta.php	65.17 KB	-rw-r--r--
ms-blogs.php	25.71 KB	-rw-r--r--
ms-default-constants.php	4.81 KB	-rw-r--r--
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ms-files.php	2.79 KB	-rw-r--r--
ms-functions.php	90.36 KB	-rw-r--r--
ms-load.php	19.58 KB	-rw-r--r--
ms-network.php	3.69 KB	-rw-r--r--
ms-settings.php	4.1 KB	-rw-r--r--
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nav-menu-template.php	25.37 KB	-rw-r--r--
nav-menu.php	43.23 KB	-rw-r--r--
option.php	102.78 KB	-rw-r--r--
pluggable-deprecated.php	6.18 KB	-rw-r--r--
pluggable.php	124.92 KB	-rw-r--r--
plugin.php	35.81 KB	-rw-r--r--
post-formats.php	6.9 KB	-rw-r--r--
post-template.php	67.51 KB	-rw-r--r--
post-thumbnail-template.php	10.62 KB	-rw-r--r--
post.php	298.06 KB	-rw-r--r--
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robots-template.php	5.06 KB	-rw-r--r--
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session.php	258 B	-rw-r--r--
shortcodes.php	23.47 KB	-rw-r--r--
sitemaps.php	3.16 KB	-rw-r--r--
speculative-loading.php	11.6 KB	-rw-r--r--
spl-autoload-compat.php	441 B	-rw-r--r--
style-engine.php	7.86 KB	-rw-r--r--
taxonomy.php	174.13 KB	-rw-r--r--
template-canvas.php	544 B	-rw-r--r--
template-loader.php	4.17 KB	-rw-r--r--
template.php	35.96 KB	-rw-r--r--
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theme-previews.php	2.82 KB	-rw-r--r--
theme-sig.json	2.51 KB	-rw-r--r--
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user.php	176.08 KB	-rw-r--r--
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version.php	1.08 KB	-rw-r--r--
view-config.php	18.64 KB	-rw-r--r--
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widgets.php	69.21 KB	-rw-r--r--
wp-db.php	445 B	-rw-r--r--
wp-diff.php	792 B	-rw-r--r--

Code Editor : class-wp-http-streams.php

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

/**
 * Core class used to integrate PHP Streams as an HTTP transport.
 *
 * @since 2.7.0
 * @since 3.7.0 Combined with the fsockopen transport and switched to `stream_socket_client()`.
 * @deprecated 6.4.0 Use WP_Http
 * @see WP_Http
 */
#[AllowDynamicProperties]
class WP_Http_Streams {
	/**
	 * Send a HTTP request to a URI using PHP Streams.
	 *
	 * @see WP_Http::request() For default options descriptions.
	 *
	 * @since 2.7.0
	 * @since 3.7.0 Combined with the fsockopen transport and switched to stream_socket_client().
	 *
	 * @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(),
			'decompress'  => false,
			'stream'      => false,
			'filename'    => null,
		);

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

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

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

$parsed_url = parse_url( $url );

$connect_host = $parsed_url['host'];

$secure_transport = ( 'ssl' === $parsed_url['scheme'] || 'https' === $parsed_url['scheme'] );
		if ( ! isset( $parsed_url['port'] ) ) {
			if ( 'ssl' === $parsed_url['scheme'] || 'https' === $parsed_url['scheme'] ) {
				$parsed_url['port'] = 443;
				$secure_transport   = true;
			} else {
				$parsed_url['port'] = 80;
			}
		}

// Always pass a path, defaulting to the root in cases such as http://example.com.
		if ( ! isset( $parsed_url['path'] ) ) {
			$parsed_url['path'] = '/';
		}

if ( isset( $parsed_args['headers']['Host'] ) || isset( $parsed_args['headers']['host'] ) ) {
			$parsed_url['host'] = $parsed_args['headers']['Host'] ?? $parsed_args['headers']['host'];
			unset( $parsed_args['headers']['Host'], $parsed_args['headers']['host'] );
		}

/*
		 * Certain versions of PHP have issues with 'localhost' and IPv6, It attempts to connect
		 * to ::1, which fails when the server is not set up for it. For compatibility, always
		 * connect to the IPv4 address.
		 */
		if ( 'localhost' === strtolower( $connect_host ) ) {
			$connect_host = '127.0.0.1';
		}

$connect_host = $secure_transport ? 'ssl://' . $connect_host : 'tcp://' . $connect_host;

$is_local   = isset( $parsed_args['local'] ) && $parsed_args['local'];
		$ssl_verify = isset( $parsed_args['sslverify'] ) && $parsed_args['sslverify'];

if ( $is_local ) {
			/**
			 * Filters whether SSL should be verified for local HTTP API requests.
			 *
			 * @since 2.8.0
			 * @since 5.1.0 The `$url` parameter was added.
			 *
			 * @param bool|string $ssl_verify Boolean to control whether to verify the SSL connection
			 *                                or path to an SSL certificate.
			 * @param string      $url        The request URL.
			 */
			$ssl_verify = apply_filters( 'https_local_ssl_verify', $ssl_verify, $url );
		} elseif ( ! $is_local ) {
			/** This filter is documented in wp-includes/class-wp-http.php */
			$ssl_verify = apply_filters( 'https_ssl_verify', $ssl_verify, $url );
		}

$proxy = new WP_HTTP_Proxy();

$context = stream_context_create(
			array(
				'ssl' => array(
					'verify_peer'       => $ssl_verify,
					// 'CN_match' => $parsed_url['host'], // This is handled by self::verify_ssl_certificate().
					'capture_peer_cert' => $ssl_verify,
					'SNI_enabled'       => true,
					'cafile'            => $parsed_args['sslcertificates'],
					'allow_self_signed' => ! $ssl_verify,
				),
			)
		);

$timeout  = (int) floor( $parsed_args['timeout'] );
		$utimeout = 0;

if ( $timeout !== (int) $parsed_args['timeout'] ) {
			$utimeout = 1000000 * $parsed_args['timeout'] % 1000000;
		}

$connect_timeout = max( $timeout, 1 );

// Store error number.
		$connection_error = null;

// Store error string.
		$connection_error_str = null;

if ( ! WP_DEBUG ) {
			// In the event that the SSL connection fails, silence the many PHP warnings.
			if ( $secure_transport ) {
				$error_reporting = error_reporting( 0 );
			}

if ( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) ) {
				// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
				$handle = @stream_socket_client(
					'tcp://' . $proxy->host() . ':' . $proxy->port(),
					$connection_error,
					$connection_error_str,
					$connect_timeout,
					STREAM_CLIENT_CONNECT,
					$context
				);
			} else {
				// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
				$handle = @stream_socket_client(
					$connect_host . ':' . $parsed_url['port'],
					$connection_error,
					$connection_error_str,
					$connect_timeout,
					STREAM_CLIENT_CONNECT,
					$context
				);
			}

if ( $secure_transport ) {
				error_reporting( $error_reporting );
			}
		} else {
			if ( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) ) {
				$handle = stream_socket_client(
					'tcp://' . $proxy->host() . ':' . $proxy->port(),
					$connection_error,
					$connection_error_str,
					$connect_timeout,
					STREAM_CLIENT_CONNECT,
					$context
				);
			} else {
				$handle = stream_socket_client(
					$connect_host . ':' . $parsed_url['port'],
					$connection_error,
					$connection_error_str,
					$connect_timeout,
					STREAM_CLIENT_CONNECT,
					$context
				);
			}
		}

if ( false === $handle ) {
			// SSL connection failed due to expired/invalid cert, or, OpenSSL configuration is broken.
			if ( $secure_transport && 0 === $connection_error && '' === $connection_error_str ) {
				return new WP_Error( 'http_request_failed', __( 'The SSL certificate for the host could not be verified.' ) );
			}

return new WP_Error( 'http_request_failed', $connection_error . ': ' . $connection_error_str );
		}

// Verify that the SSL certificate is valid for this request.
		if ( $secure_transport && $ssl_verify && ! $proxy->is_enabled() ) {
			if ( ! self::verify_ssl_certificate( $handle, $parsed_url['host'] ) ) {
				return new WP_Error( 'http_request_failed', __( 'The SSL certificate for the host could not be verified.' ) );
			}
		}

stream_set_timeout( $handle, $timeout, $utimeout );

if ( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) ) { // Some proxies require full URL in this field.
			$request_path = $url;
		} else {
			$request_path = $parsed_url['path'] . ( isset( $parsed_url['query'] ) ? '?' . $parsed_url['query'] : '' );
		}

$headers = strtoupper( $parsed_args['method'] ) . ' ' . $request_path . ' HTTP/' . $parsed_args['httpversion'] . "\r\n";

$include_port_in_host_header = (
			( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) )
			|| ( 'http' === $parsed_url['scheme'] && 80 !== $parsed_url['port'] )
			|| ( 'https' === $parsed_url['scheme'] && 443 !== $parsed_url['port'] )
		);

if ( $include_port_in_host_header ) {
			$headers .= 'Host: ' . $parsed_url['host'] . ':' . $parsed_url['port'] . "\r\n";
		} else {
			$headers .= 'Host: ' . $parsed_url['host'] . "\r\n";
		}

if ( isset( $parsed_args['user-agent'] ) ) {
			$headers .= 'User-agent: ' . $parsed_args['user-agent'] . "\r\n";
		}

if ( is_array( $parsed_args['headers'] ) ) {
			foreach ( (array) $parsed_args['headers'] as $header => $header_value ) {
				$headers .= $header . ': ' . $header_value . "\r\n";
			}
		} else {
			$headers .= $parsed_args['headers'];
		}

if ( $proxy->use_authentication() ) {
			$headers .= $proxy->authentication_header() . "\r\n";
		}

$headers .= "\r\n";

if ( ! is_null( $parsed_args['body'] ) ) {
			$headers .= $parsed_args['body'];
		}

fwrite( $handle, $headers );

if ( ! $parsed_args['blocking'] ) {
			stream_set_blocking( $handle, 0 );
			fclose( $handle );
			return array(
				'headers'  => array(),
				'body'     => '',
				'response' => array(
					'code'    => false,
					'message' => false,
				),
				'cookies'  => array(),
			);
		}

$response     = '';
		$body_started = false;
		$keep_reading = true;
		$block_size   = 4096;

if ( isset( $parsed_args['limit_response_size'] ) ) {
			$block_size = min( $block_size, $parsed_args['limit_response_size'] );
		}

// If streaming to a file setup the file handle.
		if ( $parsed_args['stream'] ) {
			if ( ! WP_DEBUG ) {
				$stream_handle = @fopen( $parsed_args['filename'], 'w+' );
			} else {
				$stream_handle = fopen( $parsed_args['filename'], 'w+' );
			}

if ( ! $stream_handle ) {
				return new WP_Error(
					'http_request_failed',
					sprintf(
						/* translators: 1: fopen(), 2: File name. */
						__( 'Could not open handle for %1$s to %2$s.' ),
						'fopen()',
						$parsed_args['filename']
					)
				);
			}

$bytes_written = 0;

while ( ! feof( $handle ) && $keep_reading ) {
				$block = fread( $handle, $block_size );
				if ( ! $body_started ) {
					$response .= $block;
					if ( strpos( $response, "\r\n\r\n" ) ) {
						$processed_response = WP_Http::processResponse( $response );
						$body_started       = true;
						$block              = $processed_response['body'];
						unset( $response );
						$processed_response['body'] = '';
					}
				}

$this_block_size = strlen( $block );

if ( isset( $parsed_args['limit_response_size'] )
					&& ( $bytes_written + $this_block_size ) > $parsed_args['limit_response_size']
				) {
					$this_block_size = ( $parsed_args['limit_response_size'] - $bytes_written );
					$block           = substr( $block, 0, $this_block_size );
				}

$bytes_written_to_file = fwrite( $stream_handle, $block );

if ( $bytes_written_to_file !== $this_block_size ) {
					fclose( $handle );
					fclose( $stream_handle );
					return new WP_Error( 'http_request_failed', __( 'Failed to write request to temporary file.' ) );
				}

$bytes_written += $bytes_written_to_file;

$keep_reading = (
					! isset( $parsed_args['limit_response_size'] )
					|| $bytes_written < $parsed_args['limit_response_size']
				);
			}

fclose( $stream_handle );

} else {
			$header_length = 0;

while ( ! feof( $handle ) && $keep_reading ) {
				$block     = fread( $handle, $block_size );
				$response .= $block;

if ( ! $body_started && strpos( $response, "\r\n\r\n" ) ) {
					$header_length = strpos( $response, "\r\n\r\n" ) + 4;
					$body_started  = true;
				}

$keep_reading = (
					! $body_started
					|| ! isset( $parsed_args['limit_response_size'] )
					|| strlen( $response ) < ( $header_length + $parsed_args['limit_response_size'] )
				);
			}

$processed_response = WP_Http::processResponse( $response );
			unset( $response );

}

fclose( $handle );

$processed_headers = WP_Http::processHeaders( $processed_response['headers'], $url );

$response = array(
			'headers'  => $processed_headers['headers'],
			// Not yet processed.
			'body'     => null,
			'response' => $processed_headers['response'],
			'cookies'  => $processed_headers['cookies'],
			'filename' => $parsed_args['filename'],
		);

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

// If the body was chunk encoded, then decode it.
		if ( ! empty( $processed_response['body'] )
			&& isset( $processed_headers['headers']['transfer-encoding'] )
			&& 'chunked' === $processed_headers['headers']['transfer-encoding']
		) {
			$processed_response['body'] = WP_Http::chunkTransferDecode( $processed_response['body'] );
		}

if ( true === $parsed_args['decompress']
			&& true === WP_Http_Encoding::should_decode( $processed_headers['headers'] )
		) {
			$processed_response['body'] = WP_Http_Encoding::decompress( $processed_response['body'] );
		}

if ( isset( $parsed_args['limit_response_size'] )
			&& strlen( $processed_response['body'] ) > $parsed_args['limit_response_size']
		) {
			$processed_response['body'] = substr( $processed_response['body'], 0, $parsed_args['limit_response_size'] );
		}

$response['body'] = $processed_response['body'];

return $response;
	}

/**
	 * Verifies the received SSL certificate against its Common Names and subjectAltName fields.
	 *
	 * PHP's SSL verifications only verify that it's a valid Certificate, it doesn't verify if
	 * the certificate is valid for the hostname which was requested.
	 * This function verifies the requested hostname against certificate's subjectAltName field,
	 * if that is empty, or contains no DNS entries, a fallback to the Common Name field is used.
	 *
	 * IP Address support is included if the request is being made to an IP address.
	 *
	 * @since 3.7.0
	 *
	 * @param resource $stream The PHP Stream which the SSL request is being made over
	 * @param string   $host   The hostname being requested
	 * @return bool If the certificate presented in $stream is valid for $host
	 */
	public static function verify_ssl_certificate( $stream, $host ) {
		$context_options = stream_context_get_options( $stream );

if ( empty( $context_options['ssl']['peer_certificate'] ) ) {
			return false;
		}

$cert = openssl_x509_parse( $context_options['ssl']['peer_certificate'] );
		if ( ! $cert ) {
			return false;
		}

/*
		 * If the request is being made to an IP address, we'll validate against IP fields
		 * in the cert (if they exist)
		 */
		$host_type = ( WP_Http::is_ip_address( $host ) ? 'ip' : 'dns' );

$certificate_hostnames = array();
		if ( ! empty( $cert['extensions']['subjectAltName'] ) ) {
			$match_against = preg_split( '/,\s*/', $cert['extensions']['subjectAltName'] );
			foreach ( $match_against as $match ) {
				list( $match_type, $match_host ) = explode( ':', $match );
				if ( strtolower( trim( $match_type ) ) === $host_type ) { // IP: or DNS:
					$certificate_hostnames[] = strtolower( trim( $match_host ) );
				}
			}
		} elseif ( ! empty( $cert['subject']['CN'] ) ) {
			// Only use the CN when the certificate includes no subjectAltName extension.
			$certificate_hostnames[] = strtolower( $cert['subject']['CN'] );
		}

// Exact hostname/IP matches.
		if ( in_array( strtolower( $host ), $certificate_hostnames, true ) ) {
			return true;
		}

// IP's can't be wildcards, Stop processing.
		if ( 'ip' === $host_type ) {
			return false;
		}

// Test to see if the domain is at least 2 deep for wildcard support.
		if ( substr_count( $host, '.' ) < 2 ) {
			return false;
		}

// Wildcard subdomains certs (*.example.com) are valid for a.example.com but not a.b.example.com.
		$wildcard_host = preg_replace( '/^[^.]+\./', '*.', $host );

return in_array( strtolower( $wildcard_host ), $certificate_hostnames, true );
	}

/**
	 * Determines whether this class can be used for retrieving a URL.
	 *
	 * @since 2.7.0
	 * @since 3.7.0 Combined with the fsockopen transport and switched to stream_socket_client().
	 *
	 * @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( 'stream_socket_client' ) ) {
			return false;
		}

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

if ( $is_ssl ) {
			if ( ! extension_loaded( 'openssl' ) ) {
				return false;
			}
			if ( ! function_exists( 'openssl_x509_parse' ) ) {
				return false;
			}
		}

/**
		 * Filters whether streams 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      Request arguments.
		 */
		return apply_filters( 'use_streams_transport', true, $args );
	}
}

/**
 * Deprecated HTTP Transport method which used fsockopen.
 *
 * This class is not used, and is included for backward compatibility only.
 * All code should make use of WP_Http directly through its API.
 *
 * @see WP_HTTP::request
 *
 * @since 2.7.0
 * @deprecated 3.7.0 Please use WP_HTTP::request() directly
 */
class WP_HTTP_Fsockopen extends WP_Http_Streams {
	// For backward compatibility for users who are using the class directly.
}

Code Editor : class-wp-http-streams.php

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Code Editor : class-wp-http-streams.php

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