'timeout' => apply_filters( 'http_request_timeout', 5),
'redirection' => apply_filters( 'http_request_redirection_count', 5),
'httpversion' => apply_filters( 'http_request_version', '1.0'),
- 'user-agent' => apply_filters( 'http_headers_useragent', 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' ) ),
+ 'user-agent' => apply_filters( 'http_headers_useragent', 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' ) ),
+ 'reject_unsafe_urls' => apply_filters( 'http_request_reject_unsafe_urls', false ),
'blocking' => true,
'headers' => array(),
'cookies' => array(),
'decompress' => true,
'sslverify' => true,
'stream' => false,
- 'filename' => null
+ 'filename' => null,
+ 'limit_response_size' => null,
);
// Pre-parse for the HEAD checks.
$r = wp_parse_args( $args, $defaults );
$r = apply_filters( 'http_request_args', $r, $url );
- // Certain classes decrement this, store a copy of the original value for loop purposes.
- $r['_redirection'] = $r['redirection'];
+ // 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
$pre = apply_filters( 'pre_http_request', false, $r, $url );
if ( false !== $pre )
return $pre;
- $arrURL = parse_url( $url );
+ if ( function_exists( 'wp_kses_bad_protocol' ) ) {
+ if ( $r['reject_unsafe_urls'] )
+ $url = wp_http_validate_url( $url );
+ $url = wp_kses_bad_protocol( $url, array( 'http', 'https', 'ssl' ) );
+ }
+
+ $arrURL = @parse_url( $url );
if ( empty( $url ) || empty( $arrURL['scheme'] ) )
return new WP_Error('http_request_failed', __('A valid URL was not provided.'));
unset( $homeURL );
// If we are streaming to a file but no filename was given drop it in the WP temp dir
- // and pick it's name using the basename of the $url
+ // and pick its name using the basename of the $url
if ( $r['stream'] && empty( $r['filename'] ) )
$r['filename'] = get_temp_dir() . basename( $url );
// Force some settings if we are streaming to a file and check for existence and perms of destination directory
if ( $r['stream'] ) {
$r['blocking'] = true;
- if ( ! is_writable( dirname( $r['filename'] ) ) )
+ if ( ! wp_is_writable( dirname( $r['filename'] ) ) )
return new WP_Error( 'http_request_failed', __( 'Destination directory for file streaming does not exist or is not writable.' ) );
}
// Construct Cookie: header if any cookies are set
WP_Http::buildCookieHeader( $r );
- if ( WP_Http_Encoding::is_available() )
- $r['headers']['Accept-Encoding'] = WP_Http_Encoding::accept_encoding();
+ if ( ! isset( $r['headers']['Accept-Encoding'] ) ) {
+ if ( $encoding = WP_Http_Encoding::accept_encoding( $url, $r ) )
+ $r['headers']['Accept-Encoding'] = $encoding;
+ }
- if ( empty($r['body']) ) {
- $r['body'] = null;
- // Some servers fail when sending content without the content-length header being set.
- // Also, to fix another bug, we only send when doing POST and PUT and the content-length
- // header isn't already set.
- if ( ($r['method'] == 'POST' || $r['method'] == 'PUT') && ! isset( $r['headers']['Content-Length'] ) )
- $r['headers']['Content-Length'] = 0;
- } else {
+ if ( ( ! is_null( $r['body'] ) && '' != $r['body'] ) || 'POST' == $r['method'] || 'PUT' == $r['method'] ) {
if ( is_array( $r['body'] ) || is_object( $r['body'] ) ) {
$r['body'] = http_build_query( $r['body'], null, '&' );
+
if ( ! isset( $r['headers']['Content-Type'] ) )
$r['headers']['Content-Type'] = 'application/x-www-form-urlencoded; charset=' . get_option( 'blog_charset' );
- $r['headers']['Content-Length'] = strlen( $r['body'] );
}
+ if ( '' === $r['body'] )
+ $r['body'] = null;
+
if ( ! isset( $r['headers']['Content-Length'] ) && ! isset( $r['headers']['content-length'] ) )
$r['headers']['Content-Length'] = strlen( $r['body'] );
}
* @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.
+ * @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 ) {
$request_order = array( 'curl', 'streams', 'fsockopen' );
* @param string $strResponse The full response string
* @return array Array with 'headers' and 'body' keys.
*/
- function processResponse($strResponse) {
+ public static function processResponse($strResponse) {
$res = explode("\r\n\r\n", $strResponse, 2);
return array('headers' => $res[0], 'body' => isset($res[1]) ? $res[1] : '');
list($key, $value) = explode(':', $tempheader, 2);
- if ( !empty( $value ) ) {
- $key = strtolower( $key );
- if ( isset( $newheaders[$key] ) ) {
- if ( !is_array($newheaders[$key]) )
- $newheaders[$key] = array($newheaders[$key]);
- $newheaders[$key][] = trim( $value );
- } else {
- $newheaders[$key] = trim( $value );
- }
- if ( 'set-cookie' == $key )
- $cookies[] = new WP_Http_Cookie( $value );
+ $key = strtolower( $key );
+ $value = trim( $value );
+
+ if ( isset( $newheaders[ $key ] ) ) {
+ if ( ! is_array( $newheaders[ $key ] ) )
+ $newheaders[$key] = array( $newheaders[ $key ] );
+ $newheaders[ $key ][] = $value;
+ } else {
+ $newheaders[ $key ] = $value;
}
+ if ( 'set-cookie' == $key )
+ $cookies[] = new WP_Http_Cookie( $value );
}
return array('response' => $response, 'headers' => $newheaders, 'cookies' => $cookies);
* Based off the HTTP http_encoding_dechunk function. Does not support UTF-8. Does not support
* returning footer headers. Shouldn't be too difficult to support it though.
*
+ * @link http://tools.ietf.org/html/rfc2616#section-19.4.6 Process for chunked decoding.
+ *
* @todo Add support for footer chunked headers.
* @access public
* @since 2.7.0
if ( !empty($wildcard_regex) )
return !preg_match($wildcard_regex, $check['host']);
else
- return !in_array( $check['host'], $accessible_hosts ); //Inverse logic, If its in the array, then we can't access it.
+ return !in_array( $check['host'], $accessible_hosts ); //Inverse logic, If it's in the array, then we can't access it.
}
// Start off with the Absolute URL path
$path = ! empty( $url_parts['path'] ) ? $url_parts['path'] : '/';
- // If the it's a root-relative path, then great
+ // If it's a root-relative path, then great
if ( ! empty( $relative_url_parts['path'] ) && '/' == $relative_url_parts['path'][0] ) {
$path = $relative_url_parts['path'];
$strResponse = '';
$bodyStarted = false;
+ $keep_reading = true;
+ $block_size = 4096;
+ if ( isset( $r['limit_response_size'] ) )
+ $block_size = min( $block_size, $r['limit_response_size'] );
// If streaming to a file setup the file handle
if ( $r['stream'] ) {
if ( ! $stream_handle )
return new WP_Error( 'http_request_failed', sprintf( __( 'Could not open handle for fopen() to %s' ), $r['filename'] ) );
- while ( ! feof($handle) ) {
- $block = fread( $handle, 4096 );
- if ( $bodyStarted ) {
- fwrite( $stream_handle, $block );
- } else {
+ $bytes_written = 0;
+ while ( ! feof($handle) && $keep_reading ) {
+ $block = fread( $handle, $block_size );
+ if ( ! $bodyStarted ) {
$strResponse .= $block;
if ( strpos( $strResponse, "\r\n\r\n" ) ) {
$process = WP_Http::processResponse( $strResponse );
$bodyStarted = true;
- fwrite( $stream_handle, $process['body'] );
+ $block = $process['body'];
unset( $strResponse );
$process['body'] = '';
}
}
+
+ if ( isset( $r['limit_response_size'] ) && ( $bytes_written + strlen( $block ) ) > $r['limit_response_size'] )
+ $block = substr( $block, 0, ( $r['limit_response_size'] - $bytes_written ) );
+
+ $bytes_written += fwrite( $stream_handle, $block );
+
+ $keep_reading = !isset( $r['limit_response_size'] ) || $bytes_written < $r['limit_response_size'];
}
fclose( $stream_handle );
} else {
- while ( ! feof($handle) )
- $strResponse .= fread( $handle, 4096 );
+ $header_length = 0;
+ while ( ! feof( $handle ) && $keep_reading ) {
+ $block = fread( $handle, $block_size );
+ $strResponse .= $block;
+ if ( ! $bodyStarted && strpos( $strResponse, "\r\n\r\n" ) ) {
+ $header_length = strpos( $strResponse, "\r\n\r\n" ) + 4;
+ $bodyStarted = true;
+ }
+ $keep_reading = ( ! $bodyStarted || !isset( $r['limit_response_size'] ) || strlen( $strResponse ) < ( $header_length + $r['limit_response_size'] ) );
+ }
$process = WP_Http::processResponse( $strResponse );
unset( $strResponse );
+
}
fclose( $handle );
// If location is found, then assume redirect and redirect to location.
if ( isset($arrHeaders['headers']['location']) && 0 !== $r['_redirection'] ) {
if ( $r['redirection']-- > 0 ) {
- return $this->request( WP_HTTP::make_absolute_url( $arrHeaders['headers']['location'], $url ), $r);
+ return wp_remote_request( WP_HTTP::make_absolute_url( $arrHeaders['headers']['location'], $url ), $r);
} else {
return new WP_Error('http_request_failed', __('Too many redirects.'));
}
if ( true === $r['decompress'] && true === WP_Http_Encoding::should_decode($arrHeaders['headers']) )
$process['body'] = WP_Http_Encoding::decompress( $process['body'] );
+ if ( isset( $r['limit_response_size'] ) && strlen( $process['body'] ) > $r['limit_response_size'] )
+ $process['body'] = substr( $process['body'], 0, $r['limit_response_size'] );
+
return array( 'headers' => $arrHeaders['headers'], 'body' => $process['body'], 'response' => $arrHeaders['response'], 'cookies' => $arrHeaders['cookies'], 'filename' => $r['filename'] );
}
if ( ! function_exists( 'fsockopen' ) )
return false;
- if ( false !== ($option = get_option( 'disable_fsockopen' )) && time()-$option < 43200 ) // 12 hours
+ if ( false !== ( $option = get_option( 'disable_fsockopen' ) ) && time() - $option < 12 * HOUR_IN_SECONDS )
return false;
$is_ssl = isset( $args['ssl'] ) && $args['ssl'];
array(
'method' => strtoupper($r['method']),
'user_agent' => $r['user-agent'],
- 'max_redirects' => $r['redirection'] + 1, // See #11557
+ 'max_redirects' => 0, // Follow no redirects
+ 'follow_redirects' => false,
'protocol_version' => (float) $r['httpversion'],
'header' => $strHeaders,
'ignore_errors' => true, // Return non-200 requests.
$arrContext['http']['header'] .= $proxy->authentication_header() . "\r\n";
}
- if ( ! empty($r['body'] ) )
+ if ( ! is_null( $r['body'] ) )
$arrContext['http']['content'] = $r['body'];
$context = stream_context_create($arrContext);
return array( 'headers' => array(), 'body' => '', 'response' => array('code' => false, 'message' => false), 'cookies' => array() );
}
+ $max_bytes = isset( $r['limit_response_size'] ) ? intval( $r['limit_response_size'] ) : -1;
if ( $r['stream'] ) {
if ( ! WP_DEBUG )
$stream_handle = @fopen( $r['filename'], 'w+' );
if ( ! $stream_handle )
return new WP_Error( 'http_request_failed', sprintf( __( 'Could not open handle for fopen() to %s' ), $r['filename'] ) );
- stream_copy_to_stream( $handle, $stream_handle );
+ stream_copy_to_stream( $handle, $stream_handle, $max_bytes );
fclose( $stream_handle );
$strResponse = '';
} else {
- $strResponse = stream_get_contents( $handle );
+ $strResponse = stream_get_contents( $handle, $max_bytes );
}
$meta = stream_get_meta_data( $handle );
else
$processedHeaders = WP_Http::processHeaders($meta['wrapper_data']);
- // Streams does not provide an error code which we can use to see why the request stream stopped.
- // We can however test to see if a location header is present and return based on that.
- if ( isset($processedHeaders['headers']['location']) && 0 !== $args['_redirection'] )
- return new WP_Error('http_request_failed', __('Too many redirects.'));
+ if ( ! empty( $processedHeaders['headers']['location'] ) && 0 !== $r['_redirection'] ) { // _redirection: The requested number of redirections
+ if ( $r['redirection']-- > 0 ) {
+ return wp_remote_request( WP_HTTP::make_absolute_url( $processedHeaders['headers']['location'], $url ), $r );
+ } else {
+ return new WP_Error( 'http_request_failed', __( 'Too many redirects.' ) );
+ }
+ }
if ( ! empty( $strResponse ) && isset( $processedHeaders['headers']['transfer-encoding'] ) && 'chunked' == $processedHeaders['headers']['transfer-encoding'] )
$strResponse = WP_Http::chunkTransferDecode($strResponse);
class WP_Http_Curl {
/**
- * Temporary header storage for use with streaming to a file.
+ * Temporary header storage for during requests.
*
* @since 3.2.0
* @access private
*/
private $headers = '';
+ /**
+ * Temporary body storage for during requests.
+ *
+ * @since 3.6.0
+ * @access private
+ * @var string
+ */
+ private $body = '';
+
+ /**
+ * The maximum amount of data to recieve from the remote server
+ *
+ * @since 3.6.0
+ * @access private
+ * @var int
+ */
+ private $max_body_length = false;
+
+ /**
+ * The file resource used for streaming to file.
+ *
+ * @since 3.6.0
+ * @access private
+ * @var resource
+ */
+ private $stream_handle = false;
+
/**
* Send a HTTP request to a URI using cURL extension.
*
// The option doesn't work with safe mode or when open_basedir is set, and there's a
// bug #17490 with redirected POST requests, so handle redirections outside Curl.
curl_setopt( $handle, CURLOPT_FOLLOWLOCATION, false );
+ if ( defined( 'CURLOPT_PROTOCOLS' ) ) // PHP 5.2.10 / cURL 7.19.4
+ curl_setopt( $handle, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS );
switch ( $r['method'] ) {
case 'HEAD':
break;
default:
curl_setopt( $handle, CURLOPT_CUSTOMREQUEST, $r['method'] );
- if ( ! empty( $r['body'] ) )
+ if ( ! is_null( $r['body'] ) )
curl_setopt( $handle, CURLOPT_POSTFIELDS, $r['body'] );
break;
}
- if ( true === $r['blocking'] )
- curl_setopt( $handle, CURLOPT_HEADERFUNCTION, array( &$this, 'stream_headers' ) );
+ if ( true === $r['blocking'] ) {
+ curl_setopt( $handle, CURLOPT_HEADERFUNCTION, array( $this, 'stream_headers' ) );
+ curl_setopt( $handle, CURLOPT_WRITEFUNCTION, array( $this, 'stream_body' ) );
+ }
curl_setopt( $handle, CURLOPT_HEADER, false );
+ if ( isset( $r['limit_response_size'] ) )
+ $this->max_body_length = intval( $r['limit_response_size'] );
+ else
+ $this->max_body_length = false;
+
// If streaming to a file open a file handle, and setup our curl streaming handler
if ( $r['stream'] ) {
if ( ! WP_DEBUG )
- $stream_handle = @fopen( $r['filename'], 'w+' );
+ $this->stream_handle = @fopen( $r['filename'], 'w+' );
else
- $stream_handle = fopen( $r['filename'], 'w+' );
- if ( ! $stream_handle )
+ $this->stream_handle = fopen( $r['filename'], 'w+' );
+ if ( ! $this->stream_handle )
return new WP_Error( 'http_request_failed', sprintf( __( 'Could not open handle for fopen() to %s' ), $r['filename'] ) );
- curl_setopt( $handle, CURLOPT_FILE, $stream_handle );
+ } else {
+ $this->stream_handle = false;
}
if ( !empty( $r['headers'] ) ) {
// We don't need to return the body, so don't. Just execute request and return.
if ( ! $r['blocking'] ) {
curl_exec( $handle );
+
+ if ( $curl_error = curl_error( $handle ) ) {
+ curl_close( $handle );
+ return new WP_Error( 'http_request_failed', $curl_error );
+ }
+ if ( in_array( curl_getinfo( $handle, CURLINFO_HTTP_CODE ), array( 301, 302 ) ) ) {
+ curl_close( $handle );
+ return new WP_Error( 'http_request_failed', __( 'Too many redirects.' ) );
+ }
+
curl_close( $handle );
return array( 'headers' => array(), 'body' => '', 'response' => array('code' => false, 'message' => false), 'cookies' => array() );
}
$theResponse = curl_exec( $handle );
- $theBody = '';
$theHeaders = WP_Http::processHeaders( $this->headers );
+ $theBody = $this->body;
- if ( strlen($theResponse) > 0 && ! is_bool( $theResponse ) ) // is_bool: when using $args['stream'], curl_exec will return (bool)true
- $theBody = $theResponse;
+ $this->headers = '';
+ $this->body = '';
// If no response
- if ( 0 == strlen( $theResponse ) && empty( $theHeaders['headers'] ) ) {
- if ( $curl_error = curl_error( $handle ) )
+ if ( 0 == strlen( $theBody ) && empty( $theHeaders['headers'] ) ) {
+ if ( $curl_error = curl_error( $handle ) ) {
+ curl_close( $handle );
return new WP_Error( 'http_request_failed', $curl_error );
- if ( in_array( curl_getinfo( $handle, CURLINFO_HTTP_CODE ), array( 301, 302 ) ) )
+ }
+ if ( in_array( curl_getinfo( $handle, CURLINFO_HTTP_CODE ), array( 301, 302 ) ) ) {
+ curl_close( $handle );
return new WP_Error( 'http_request_failed', __( 'Too many redirects.' ) );
+ }
}
- $this->headers = '';
-
$response = array();
$response['code'] = curl_getinfo( $handle, CURLINFO_HTTP_CODE );
$response['message'] = get_status_header_desc($response['code']);
curl_close( $handle );
if ( $r['stream'] )
- fclose( $stream_handle );
+ fclose( $this->stream_handle );
// See #11305 - When running under safe mode, redirection is disabled above. Handle it manually.
if ( ! empty( $theHeaders['headers']['location'] ) && 0 !== $r['_redirection'] ) { // _redirection: The requested number of redirections
if ( $r['redirection']-- > 0 ) {
- return $this->request( WP_HTTP::make_absolute_url( $theHeaders['headers']['location'], $url ), $r );
+ return wp_remote_request( WP_HTTP::make_absolute_url( $theHeaders['headers']['location'], $url ), $r );
} else {
return new WP_Error( 'http_request_failed', __( 'Too many redirects.' ) );
}
return strlen( $headers );
}
+ /**
+ * Grab the body of the cURL request
+ *
+ * The contents of the document are passed in chunks, so we append to the $body property for temporary storage.
+ * Returning a length shorter than the length of $data passed in will cause cURL to abort the request as "completed"
+ *
+ * @since 3.6.0
+ * @access private
+ * @return int
+ */
+ private function stream_body( $handle, $data ) {
+ if ( $this->max_body_length && ( strlen( $this->body ) + strlen( $data ) ) > $this->max_body_length )
+ $data = substr( $data, 0, ( $this->max_body_length - strlen( $this->body ) ) );
+
+ if ( $this->stream_handle )
+ fwrite( $this->stream_handle, $data );
+ else
+ $this->body .= $data;
+
+ return strlen( $data );
+ }
+
/**
* Whether this class can be used for retrieving an URL.
*
$home = parse_url( get_option('siteurl') );
+ $result = apply_filters( 'pre_http_send_through_proxy', null, $uri, $check, $home );
+ if ( ! is_null( $result ) )
+ return $result;
+
if ( $check['host'] == 'localhost' || $check['host'] == $home['host'] )
return false;
*/
function test( $url ) {
// Expires - if expired then nothing else matters
- if ( time() > $this->expires )
+ if ( isset( $this->expires ) && time() > $this->expires )
return false;
// Get details on the URL we're thinking about sending to
* @return string Header encoded cookie name and value.
*/
function getHeaderValue() {
- if ( empty( $this->name ) || empty( $this->value ) )
+ if ( ! isset( $this->name ) || ! isset( $this->value ) )
return '';
return $this->name . '=' . apply_filters( 'wp_http_cookie_value', $this->value, $this->name );
/**
* Decompression of deflated string while staying compatible with the majority of servers.
*
- * Certain Servers will return deflated data with headers which PHP's gziniflate()
+ * Certain Servers will return deflated data with headers which PHP's gzinflate()
* function cannot handle out of the box. The following function has been created from
* various snippets on the gzinflate() PHP documentation.
*
*
* @return string Types of encoding to accept.
*/
- public static function accept_encoding() {
+ public static function accept_encoding( $url, $args ) {
$type = array();
- if ( function_exists( 'gzinflate' ) )
- $type[] = 'deflate;q=1.0';
+ $compression_enabled = WP_Http_Encoding::is_available();
- if ( function_exists( 'gzuncompress' ) )
- $type[] = 'compress;q=0.5';
+ if ( ! $args['decompress'] ) // decompression specifically disabled
+ $compression_enabled = false;
+ elseif ( $args['stream'] ) // disable when streaming to file
+ $compression_enabled = false;
+ elseif ( isset( $args['limit_response_size'] ) ) // If only partial content is being requested, we won't be able to decompress it
+ $compression_enabled = false;
+
+ if ( $compression_enabled ) {
+ if ( function_exists( 'gzinflate' ) )
+ $type[] = 'deflate;q=1.0';
+
+ if ( function_exists( 'gzuncompress' ) )
+ $type[] = 'compress;q=0.5';
+
+ if ( function_exists( 'gzdecode' ) )
+ $type[] = 'gzip;q=0.5';
+ }
- if ( function_exists( 'gzdecode' ) )
- $type[] = 'gzip;q=0.5';
+ $type = apply_filters( 'wp_http_accept_encoding', $type, $url, $args );
return implode(', ', $type);
}
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff