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