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Inline documentation for hooks in wp-includes/class-http.php.

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Props kraftbj for the initial patches. Props kpdesign, DrewAPicture.
Fixes #26049.

Built from https://develop.svn.wordpress.org/trunk@27049


git-svn-id: http://core.svn.wordpress.org/trunk@26923 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Drew Jaynes 2014-01-28 08:25:11 +00:00
parent 0715a1d551
commit 9172107539
1 changed files with 186 additions and 17 deletions
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203
wp-includes/class-http.php
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@ -69,10 +69,48 @@ class WP_Http {
$defaults = array(
'method' => 'GET',
'timeout' => apply_filters( 'http_request_timeout', 5),
'redirection' => apply_filters( 'http_request_redirection_count', 5),
'httpversion' => apply_filters( 'http_request_version', '1.0'),
/**
* Filter the timeout value for an HTTP request.
*
* @since 2.7.0
*
* @param int $timeout_value Time in seconds until a request times out.
* Default 5.
*/
'timeout' => apply_filters( 'http_request_timeout', 5 ),
/**
* Filter the number of redirects allowed during an HTTP request.
*
* @since 2.7.0
*
* @param int $redirect_count Number of redirects allowed. Default 5.
*/
'redirection' => apply_filters( 'http_request_redirection_count', 5 ),
/**
* Filter the version of the HTTP protocol used in a request.
*
* @since 2.7.0
*
* @param string $version Version of HTTP used. Accepts '1.0' and '1.1'.
* Default '1.0'.
*/
'httpversion' => apply_filters( 'http_request_version', '1.0' ),
/**
* Filter the user agent value sent with an HTTP request.
*
* @since 2.7.0
*
* @param string $user_agent WordPress user agent string.
*/
'user-agent' => apply_filters( 'http_headers_useragent', 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' ) ),
/**
* Filter whether to pass URLs through wp_http_validate_url() in an HTTP request.
*
* @since 3.6.0
*
* @param bool $pass_url Whether to pass URLs through wp_http_validate_url().
* Default false.
*/
'reject_unsafe_urls' => apply_filters( 'http_request_reject_unsafe_urls', false ),
'blocking' => true,
'headers' => array(),
@ -95,13 +133,32 @@ class WP_Http {
$defaults['redirection'] = 0;
$r = wp_parse_args( $args, $defaults );
/**
* Filter 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 URI resource.
*/
$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'];
// Allow plugins to short-circuit the request
/**
* Filter whether to preempt an HTTP request's return.
*
* Returning a truthy value to the filter will short-circuit
* the HTTP request and return early with that value.
*
* @since 2.9.0
*
* @param bool $preempt Whether to preempt an HTTP request return. Default false.
* @param array $r HTTP request arguments.
* @param string $url The request URI resource.
*/
$pre = apply_filters( 'pre_http_request', false, $r, $url );
if ( false !== $pre )
return $pre;
@ -221,6 +278,16 @@ class WP_Http {
* @return string|bool 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 ) {
/**
* Filter which HTTP transports are available and in what order.
*
* @since 3.7.0
*
* @param array $value 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', array( 'curl', 'streams' ), $args, $url );
// Loop over each transport on each HTTP request looking for one which will serve this request's needs
@ -265,11 +332,31 @@ class WP_Http {
$response = $transports[$class]->request( $url, $args );
/**
* Fires after an HTTP API response is received and before the response is returned.
*
* @since 2.8.0
*
* @param mixed $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 $args HTTP request arguments.
* @param string $url The request URL.
*/
do_action( 'http_api_debug', $response, 'response', $class, $args, $url );
if ( is_wp_error( $response ) )
return $response;
/**
* Filter the HTTP API response immediately before the response is returned.
*
* @since 2.9.0
*
* @param array|obj $response HTTP Response.
* @param array $args HTTP request arguments.
* @param string $url The request URL.
*/
return apply_filters( 'http_response', $response, $args, $url );
}
@ -281,8 +368,8 @@ class WP_Http {
* @access public
* @since 2.7.0
*
* @param string $url URI resource.
* @param str|array $args Optional. Override the defaults.
* @param string $url URI resource.
* @param string|array $args Optional. Override the defaults.
* @return array|object Array containing 'headers', 'body', 'response', 'cookies', 'filename'. A WP_Error instance upon error
*/
function post($url, $args = array()) {
@ -516,8 +603,17 @@ class WP_Http {
$home = parse_url( get_option('siteurl') );
// Don't block requests back to ourselves by default
if ( $check['host'] == 'localhost' || $check['host'] == $home['host'] )
return apply_filters('block_local_requests', false);
if ( $check['host'] == 'localhost' || $check['host'] == $home['host'] ) {
/**
* Filter 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;
@ -742,10 +838,25 @@ class WP_Http_Streams {
$is_local = isset( $r['local'] ) && $r['local'];
$ssl_verify = isset( $r['sslverify'] ) && $r['sslverify'];
if ( $is_local )
if ( $is_local ) {
/**
* Filter whether SSL should be verified for local requests.
*
* @since 2.8.0
*
* @param bool $ssl_verify Whether to verify the SSL connection. Default true.
*/
$ssl_verify = apply_filters( 'https_local_ssl_verify', $ssl_verify );
elseif ( ! $is_local )
} elseif ( ! $is_local ) {
/**
* Filter whether SSL should be verified for non-local requests.
*
* @since 2.8.0
*
* @param bool $ssl_verify Whether to verify the SSL connection. Default true.
*/
$ssl_verify = apply_filters( 'https_ssl_verify', $ssl_verify );
}
$proxy = new WP_HTTP_Proxy();
@ -1004,7 +1115,7 @@ class WP_Http_Streams {
}
/**
* Whether this class can be used for retrieving an URL.
* Whether this class can be used for retrieving a URL.
*
* @static
* @access public
@ -1026,6 +1137,14 @@ class WP_Http_Streams {
return false;
}
/**
* Filter 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 );
}
}
@ -1145,10 +1264,13 @@ class WP_Http_Curl {
$is_local = isset($r['local']) && $r['local'];
$ssl_verify = isset($r['sslverify']) && $r['sslverify'];
if ( $is_local )
$ssl_verify = apply_filters('https_local_ssl_verify', $ssl_verify);
elseif ( ! $is_local )
$ssl_verify = apply_filters('https_ssl_verify', $ssl_verify);
if ( $is_local ) {
/** This filter is documented in wp-includes/class-http.php */
$ssl_verify = apply_filters( 'https_local_ssl_verify', $ssl_verify );
} elseif ( ! $is_local ) {
/** This filter is documented in wp-includes/class-http.php */
$ssl_verify = apply_filters( 'https_ssl_verify', $ssl_verify );
}
// CURLOPT_TIMEOUT and CURLOPT_CONNECTTIMEOUT expect integers. Have to use ceil since
// a value of 0 will allow an unlimited timeout.
@ -1225,8 +1347,16 @@ class WP_Http_Curl {
else
curl_setopt( $handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1 );
// Cookies are not handled by the HTTP API currently. Allow for plugin authors to handle it
// themselves... Although, it is somewhat pointless without some reference.
/**
* 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 array $handle cURL options set using curl_setopt().
*/
do_action_ref_array( 'http_api_curl', array(&$handle) );
// We don't need to return the body, so don't. Just execute request and return.
@ -1361,6 +1491,14 @@ class WP_Http_Curl {
return false;
}
/**
* Filter 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 );
}
}
@ -1529,6 +1667,19 @@ class WP_HTTP_Proxy {
$home = parse_url( get_option('siteurl') );
/**
* Filter whether to preempt sending the request through the proxy server.
*
* Returning false will bypass the proxy; returning true will send
* the request through the proxy. Returning null bypasses the filter.
*
* @since 3.5.0
*
* @param null $override Whether to override the request result. Default null.
* @param string $uri URL to check.
* @param array $check Associative array result of parsing the URI.
* @param array $home Associative array result of parsing the site URL.
*/
$result = apply_filters( 'pre_http_send_through_proxy', null, $uri, $check, $home );
if ( ! is_null( $result ) )
return $result;
@ -1743,6 +1894,14 @@ class WP_Http_Cookie {
if ( ! isset( $this->name ) || ! isset( $this->value ) )
return '';
/**
* Filter the header-encoded cookie value.
*
* @since 3.4.0
*
* @param string $value The cookie value.
* @param string $name The cookie name.
*/
return $this->name . '=' . apply_filters( 'wp_http_cookie_value', $this->value, $this->name );
}
@ -1904,6 +2063,16 @@ class WP_Http_Encoding {
$type[] = 'gzip;q=0.5';
}
/**
* Filter the allowed encoding types.
*
* @since 3.6.0
*
* @param array $type Encoding types allowed. Accepts 'gzinflate',
* 'gzuncompress', 'gzdecode'.
* @param string $url URL of the HTTP request.
* @param array $args HTTP request arguments.
*/
$type = apply_filters( 'wp_http_accept_encoding', $type, $url, $args );
return implode(', ', $type);