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Introduce wp_http_supports as a much less hacky replacement for the http_transport_(get|post)_debug hooks that plugins could have

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been using to detect if things like ssl requests were working.
See #17251 props mdawaffe


git-svn-id: https://develop.svn.wordpress.org/trunk@17914 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Peter Westwood
2011-05-13 09:56:59 +00:00
parent e2738c27c7
commit c30cd0193d
2 changed files with 71 additions and 26 deletions
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65
wp-includes/class-http.php
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@@ -27,10 +27,6 @@
*
* Debugging includes several actions, which pass different variables for debugging the HTTP API.
*
* <strong>http_transport_get_debug</strong> - gives working, nonblocking, and blocking transports.
*
* <strong>http_transport_post_debug</strong> - gives working, nonblocking, and blocking transports.
*
* @package WordPress
* @subpackage HTTP
* @since 2.7.0
@@ -195,6 +191,34 @@ class WP_Http {
return $this->_dispatch_request($url, $r);
}
/**
* Tests which transports are capabable of supporting the request.
*
* @since 3.2.0
* @access private
*
* @param array $args Request arguments
* @param string $url URL to Request
*
* @return string|false 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 ) {
$request_order = array( 'curl', 'streams', 'fsockopen' );
// Loop over each transport on each HTTP request looking for one which will serve this request's needs
foreach ( $request_order as $transport ) {
$class = 'WP_HTTP_' . $transport;
// Check to see if this transport is a possibility, calls the transport statically
if ( !call_user_func( array( $class, 'test' ), $args, $url ) )
continue;
return $class;
}
return false;
}
/**
* Dispatches a HTTP request to a supporting transport.
*
@@ -216,34 +240,25 @@ class WP_Http {
* @param array $args Request arguments
* @return array|object Array containing 'headers', 'body', 'response', 'cookies'. A WP_Error instance upon error
*/
private function _dispatch_request($url, $args) {
private function _dispatch_request( $url, $args ) {
static $transports = array();
$request_order = array('curl', 'streams', 'fsockopen');
$class = $this->_get_first_available_transport( $args, $url );
if ( !$class )
return new WP_Error( 'http_failure', __( 'There are no HTTP transports available which can complete the requested request.' ) );
// Loop over each transport on each HTTP request looking for one which will serve this requests needs
foreach ( $request_order as $transport ) {
$class = 'WP_HTTP_' . $transport;
// Transport claims to support request, Instantate it and give it a whirl.
if ( empty( $transports[$class] ) )
$transports[$class] = new $class;
// Check to see if this transport is a possibility, calls the transport statically
if ( ! call_user_func( array($class, 'test'), $args, $url) )
continue;
$response = $transports[$class]->request( $url, $args );
// Transport claims to support request, Instantate it and give it a whirl.
if ( empty( $transports[ $transport ] ) )
$transports[ $transport ] = new $class;
do_action( 'http_api_debug', $response, 'response', $class );
$response = $transports[ $transport ]->request( $url, $args );
if ( is_wp_error( $response ) )
return $response;
do_action( 'http_api_debug', $response, 'response', $class );
if ( is_wp_error( $response ) )
return $response;
return apply_filters( 'http_response', $response, $args, $url );
}
return new WP_Error('http_failure', __('There are no HTTP transports available which can complete the requested request.') );
return apply_filters( 'http_response', $response, $args, $url );
}
/**