%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* HTTP API request collector.
*
* @package query-monitor
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
class QM_Collector_HTTP extends QM_Collector {
/**
* @var string
*/
public $id = 'http';
/**
* @var string|null
*/
private $transport = null;
/**
* @var mixed|null
*/
private $info = null;
/**
* @return void
*/
public function set_up() {
parent::set_up();
add_filter( 'http_request_args', array( $this, 'filter_http_request_args' ), 9999, 2 );
add_filter( 'pre_http_request', array( $this, 'filter_pre_http_request' ), 9999, 3 );
add_action( 'http_api_debug', array( $this, 'action_http_api_debug' ), 9999, 5 );
add_action( 'requests-curl.before_request', array( $this, 'action_curl_before_request' ), 9999 );
add_action( 'requests-curl.after_request', array( $this, 'action_curl_after_request' ), 9999, 2 );
add_action( 'requests-fsockopen.before_request', array( $this, 'action_fsockopen_before_request' ), 9999 );
add_action( 'requests-fsockopen.after_request', array( $this, 'action_fsockopen_after_request' ), 9999, 2 );
}
/**
* @return void
*/
public function tear_down() {
remove_filter( 'http_request_args', array( $this, 'filter_http_request_args' ), 9999 );
remove_filter( 'pre_http_request', array( $this, 'filter_pre_http_request' ), 9999 );
remove_action( 'http_api_debug', array( $this, 'action_http_api_debug' ), 9999 );
remove_action( 'requests-curl.before_request', array( $this, 'action_curl_before_request' ), 9999 );
remove_action( 'requests-curl.after_request', array( $this, 'action_curl_after_request' ), 9999 );
remove_action( 'requests-fsockopen.before_request', array( $this, 'action_fsockopen_before_request' ), 9999 );
remove_action( 'requests-fsockopen.after_request', array( $this, 'action_fsockopen_after_request' ), 9999 );
parent::tear_down();
}
/**
* @return array<int, string>
*/
public function get_concerned_actions() {
$actions = array(
'http_api_curl',
'requests-multiple.request.complete',
'requests-request.progress',
'requests-transport.internal.parse_error',
'requests-transport.internal.parse_response',
);
$transports = array(
'requests',
'curl',
'fsockopen',
);
foreach ( $transports as $transport ) {
$actions[] = "requests-{$transport}.after_headers";
$actions[] = "requests-{$transport}.after_multi_exec";
$actions[] = "requests-{$transport}.after_request";
$actions[] = "requests-{$transport}.after_send";
$actions[] = "requests-{$transport}.before_multi_add";
$actions[] = "requests-{$transport}.before_multi_exec";
$actions[] = "requests-{$transport}.before_parse";
$actions[] = "requests-{$transport}.before_redirect";
$actions[] = "requests-{$transport}.before_redirect_check";
$actions[] = "requests-{$transport}.before_request";
$actions[] = "requests-{$transport}.before_send";
$actions[] = "requests-{$transport}.remote_host_path";
$actions[] = "requests-{$transport}.remote_socket";
}
return $actions;
}
/**
* @return array<int, string>
*/
public function get_concerned_filters() {
return array(
'block_local_requests',
'http_request_args',
'http_response',
'https_local_ssl_verify',
'https_ssl_verify',
'pre_http_request',
'use_curl_transport',
'use_streams_transport',
);
}
/**
* @return array<int, string>
*/
public function get_concerned_constants() {
return array(
'WP_PROXY_HOST',
'WP_PROXY_PORT',
'WP_PROXY_USERNAME',
'WP_PROXY_PASSWORD',
'WP_PROXY_BYPASS_HOSTS',
'WP_HTTP_BLOCK_EXTERNAL',
'WP_ACCESSIBLE_HOSTS',
);
}
/**
* Filter the arguments used in an HTTP request.
*
* Used to log the request, and to add the logging key to the arguments array.
*
* @param array<string, mixed> $args HTTP request arguments.
* @param string $url The request URL.
* @return array<string, mixed> HTTP request arguments.
*/
public function filter_http_request_args( array $args, $url ) {
$trace = new QM_Backtrace( array(
'ignore_hook' => array(
current_filter() => true,
),
'ignore_class' => array(
'WP_Http' => true,
),
'ignore_func' => array(
'wp_safe_remote_request' => true,
'wp_safe_remote_get' => true,
'wp_safe_remote_post' => true,
'wp_safe_remote_head' => true,
'wp_remote_request' => true,
'wp_remote_get' => true,
'wp_remote_post' => true,
'wp_remote_head' => true,
'wp_remote_fopen' => true,
'download_url' => true,
'vip_safe_wp_remote_get' => true,
'vip_safe_wp_remote_request' => true,
'wpcom_vip_file_get_contents' => true,
),
) );
if ( isset( $args['_qm_key'] ) ) {
// Something has triggered another HTTP request from within the `pre_http_request` filter
// (eg. WordPress Beta Tester does this). This allows for one level of nested queries.
$args['_qm_original_key'] = $args['_qm_key'];
$start = $this->data['http'][ $args['_qm_key'] ]['start'];
} else {
$start = microtime( true );
}
$key = microtime( true ) . $url;
$this->data['http'][ $key ] = array(
'url' => $url,
'args' => $args,
'start' => $start,
'filtered_trace' => $trace->get_filtered_trace(),
'component' => $trace->get_component(),
);
$args['_qm_key'] = $key;
return $args;
}
/**
* Log the HTTP request's response if it's being short-circuited by another plugin.
* This is necessary due to https://core.trac.wordpress.org/ticket/25747
*
* $response should be one of boolean false, an array, or a `WP_Error`, but be aware that plugins
* which short-circuit the request using this filter may (incorrectly) return data of another type.
*
* @param bool|mixed[]|WP_Error $response The preemptive HTTP response. Default false.
* @param array<string, mixed> $args HTTP request arguments.
* @param string $url The request URL.
* @return bool|mixed[]|WP_Error The preemptive HTTP response.
*/
public function filter_pre_http_request( $response, array $args, $url ) {
// All is well:
if ( false === $response ) {
return $response;
}
// Something's filtering the response, so we'll log it
$this->log_http_response( $response, $args, $url );
return $response;
}
/**
* Debugging action for the HTTP API.
*
* @param mixed $response A parameter which varies depending on $action.
* @param string $action The debug action. Currently one of 'response' or 'transports_list'.
* @param string $class The HTTP transport class name.
* @param array<string, mixed> $args HTTP request arguments.
* @param string $url The request URL.
* @return void
*/
public function action_http_api_debug( $response, $action, $class, $args, $url ) {
switch ( $action ) {
case 'response':
if ( ! empty( $class ) ) {
$this->data['http'][ $args['_qm_key'] ]['transport'] = str_replace( 'wp_http_', '', strtolower( $class ) );
} else {
$this->data['http'][ $args['_qm_key'] ]['transport'] = null;
}
$this->log_http_response( $response, $args, $url );
break;
case 'transports_list':
# Nothing
break;
}
}
/**
* @return void
*/
public function action_curl_before_request() {
$this->transport = 'curl';
}
/**
* @param mixed $headers
* @param mixed[] $info
* @return void
*/
public function action_curl_after_request( $headers, array $info = null ) {
$this->info = $info;
}
/**
* @return void
*/
public function action_fsockopen_before_request() {
$this->transport = 'fsockopen';
}
/**
* @param mixed $headers
* @param mixed[] $info
* @return void
*/
public function action_fsockopen_after_request( $headers, array $info = null ) {
$this->info = $info;
}
/**
* Log an HTTP response.
*
* @param mixed[]|WP_Error $response The HTTP response.
* @param array<string, mixed> $args HTTP request arguments.
* @param string $url The request URL.
* @return void
*/
public function log_http_response( $response, array $args, $url ) {
$this->data['http'][ $args['_qm_key'] ]['end'] = microtime( true );
$this->data['http'][ $args['_qm_key'] ]['response'] = $response;
$this->data['http'][ $args['_qm_key'] ]['args'] = $args;
if ( isset( $args['_qm_original_key'] ) ) {
$this->data['http'][ $args['_qm_original_key'] ]['end'] = $this->data['http'][ $args['_qm_original_key'] ]['start'];
$this->data['http'][ $args['_qm_original_key'] ]['response'] = new WP_Error( 'http_request_not_executed', sprintf(
/* translators: %s: Hook name */
__( 'Request not executed due to a filter on %s', 'query-monitor' ),
'pre_http_request'
) );
}
$this->data['http'][ $args['_qm_key'] ]['info'] = $this->info;
$this->data['http'][ $args['_qm_key'] ]['transport'] = $this->transport;
$this->info = null;
$this->transport = null;
}
/**
* @return void
*/
public function process() {
$this->data['ltime'] = 0;
if ( ! isset( $this->data['http'] ) ) {
return;
}
/**
* List of HTTP API error codes to ignore.
*
* @since 2.7.0
*
* @param array $http_errors Array of HTTP errors.
*/
$silent = apply_filters( 'qm/collect/silent_http_errors', array(
'http_request_not_executed',
'airplane_mode_enabled',
) );
$home_host = (string) parse_url( home_url(), PHP_URL_HOST );
foreach ( $this->data['http'] as $key => & $http ) {
if ( ! isset( $http['response'] ) ) {
// Timed out
$http['response'] = new WP_Error( 'http_request_timed_out', __( 'Request timed out', 'query-monitor' ) );
$http['end'] = floatval( $http['start'] + $http['args']['timeout'] );
}
if ( is_wp_error( $http['response'] ) ) {
if ( ! in_array( $http['response']->get_error_code(), $silent, true ) ) {
$this->data['errors']['alert'][] = $key;
}
$http['type'] = -1;
} elseif ( ! $http['args']['blocking'] ) {
$http['type'] = -2;
} else {
$http['type'] = intval( wp_remote_retrieve_response_code( $http['response'] ) );
if ( $http['type'] >= 400 ) {
$this->data['errors']['warning'][] = $key;
}
}
$http['ltime'] = ( $http['end'] - $http['start'] );
if ( isset( $http['info'] ) && ! empty( $http['info']['url'] ) ) {
// Ignore query variables when detecting a redirect.
$from = untrailingslashit( preg_replace( '#\?[^$]+$#', '', $http['url'] ) );
$to = untrailingslashit( preg_replace( '#\?[^$]+$#', '', $http['info']['url'] ) );
if ( $from !== $to ) {
$http['redirected_to'] = $http['info']['url'];
}
}
$this->data['ltime'] += $http['ltime'];
$host = (string) parse_url( $http['url'], PHP_URL_HOST );
$http['local'] = ( $host === $home_host );
$this->log_type( $http['type'] );
$this->log_component( $http['component'], $http['ltime'], $http['type'] );
}
}
}
# Load early in case a plugin is doing an HTTP request when it initialises instead of after the `plugins_loaded` hook
QM_Collectors::add( new QM_Collector_HTTP() );
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