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root@pico committed 2015-05-01 21:20:47 +02:00
1 parent 70d2335bba
commit 7428b67da5
1086 files changed
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wp-includes/class-http.php
+164 -61
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@@ -5,7 +5,7 @@
* Standardizes the HTTP requests for WordPress. Handles cookies, gzip encoding and decoding, chunk
* decoding, if HTTP 1.1 and various other difficult HTTP protocol implementations.
*
* @link http://trac.wordpress.org/ticket/4779 HTTP API Proposal
* @link https://core.trac.wordpress.org/ticket/4779 HTTP API Proposal
*
* @package WordPress
* @subpackage HTTP
@@ -182,7 +182,9 @@ class WP_Http {
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' ) );
if ( $url ) {
$url = wp_kses_bad_protocol( $url, array( 'http', 'https', 'ssl' ) );
}
}
$arrURL = @parse_url( $url );
@@ -208,8 +210,9 @@ class WP_Http {
* If we are streaming to a file but no filename was given drop it in the WP temp dir
* and pick its name using the basename of the $url.
*/
if ( $r['stream'] && empty( $r['filename'] ) )
$r['filename'] = get_temp_dir() . basename( $url );
if ( $r['stream'] && empty( $r['filename'] ) ) {
$r['filename'] = wp_unique_filename( get_temp_dir(), basename( $url ) );
}
/*
* Force some settings if we are streaming to a file and check for existence and perms
@@ -225,7 +228,7 @@ class WP_Http {
$r['headers'] = array();
if ( ! is_array( $r['headers'] ) ) {
$processedHeaders = WP_Http::processHeaders( $r['headers'], $url );
$processedHeaders = self::processHeaders( $r['headers'], $url );
$r['headers'] = $processedHeaders['headers'];
}
@@ -244,7 +247,7 @@ class WP_Http {
}
// Construct Cookie: header if any cookies are set.
WP_Http::buildCookieHeader( $r );
self::buildCookieHeader( $r );
// Avoid issues where mbstring.func_overload is enabled.
mbstring_binary_safe_encoding();
@@ -298,7 +301,7 @@ class WP_Http {
* @param array $args Request arguments
* @param string $url URL to 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.
* @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 ) {
/**
@@ -524,6 +527,9 @@ class WP_Http {
$cookies[] = new WP_Http_Cookie( $value, $url );
}
// Cast the Response Code to an int
$response['code'] = intval( $response['code'] );
return array('response' => $response, 'headers' => $newheaders, 'cookies' => $cookies);
}
@@ -615,8 +621,8 @@ class WP_Http {
* are supported, eg *.wordpress.org will allow for all subdomains of wordpress.org to be contacted.
*
* @since 2.8.0
* @link http://core.trac.wordpress.org/ticket/8927 Allow preventing external requests.
* @link http://core.trac.wordpress.org/ticket/14636 Allow wildcard domains in WP_ACCESSIBLE_HOSTS
* @link https://core.trac.wordpress.org/ticket/8927 Allow preventing external requests.
* @link https://core.trac.wordpress.org/ticket/14636 Allow wildcard domains in WP_ACCESSIBLE_HOSTS
*
* @param string $uri URI of url.
* @return bool True to block, false to allow.
@@ -668,23 +674,89 @@ class WP_Http {
}
/**
* A wrapper for PHP's parse_url() function that handles edgecases in < PHP 5.4.7
*
* PHP 5.4.7 expanded parse_url()'s ability to handle non-absolute url's, including
* schemeless and relative url's with :// in the path, this works around those
* limitations providing a standard output on PHP 5.2~5.4+.
*
* Error suppression is used as prior to PHP 5.3.3, an E_WARNING would be generated
* when URL parsing failed.
*
* @since 4.1.0
* @access protected
*
* @param string $url The URL to parse.
* @return bool|array False on failure; Array of URL components on success;
* See parse_url()'s return values.
*/
protected static function parse_url( $url ) {
$parts = @parse_url( $url );
if ( ! $parts ) {
// < PHP 5.4.7 compat, trouble with relative paths including a scheme break in the path
if ( '/' == $url[0] && false !== strpos( $url, '://' ) ) {
// Since we know it's a relative path, prefix with a scheme/host placeholder and try again
if ( ! $parts = @parse_url( 'placeholder://placeholder' . $url ) ) {
return $parts;
}
// Remove the placeholder values
unset( $parts['scheme'], $parts['host'] );
} else {
return $parts;
}
}
// < PHP 5.4.7 compat, doesn't detect schemeless URL's host field
if ( '//' == substr( $url, 0, 2 ) && ! isset( $parts['host'] ) ) {
list( $parts['host'], $slashless_path ) = explode( '/', substr( $parts['path'], 2 ), 2 );
$parts['path'] = "/{$slashless_path}";
}
return $parts;
}
/**
* Converts a relative URL to an absolute URL relative to a given URL.
*
* If an Absolute URL is provided, no processing of that URL is done.
*
* @since 3.4.0
*
* @access public
* @param string $maybe_relative_path The URL which might be relative
* @param string $url The URL which $maybe_relative_path is relative to
* @return string An Absolute URL, in a failure condition where the URL cannot be parsed, the relative URL will be returned.
*/
public static function make_absolute_url( $maybe_relative_path, $url ) {
if ( empty( $url ) )
return $maybe_relative_path;
// Check for a scheme.
if ( false !== strpos( $maybe_relative_path, '://' ) )
if ( ! $url_parts = WP_HTTP::parse_url( $url ) ) {
return $maybe_relative_path;
}
if ( ! $url_parts = @parse_url( $url ) )
if ( ! $relative_url_parts = WP_HTTP::parse_url( $maybe_relative_path ) ) {
return $maybe_relative_path;
}
if ( ! $relative_url_parts = @parse_url( $maybe_relative_path ) )
// Check for a scheme on the 'relative' url
if ( ! empty( $relative_url_parts['scheme'] ) ) {
return $maybe_relative_path;
}
$absolute_path = $url_parts['scheme'] . '://' . $url_parts['host'];
if ( isset( $url_parts['port'] ) )
$absolute_path .= ':' . $url_parts['port'];
$absolute_path = $url_parts['scheme'] . '://';
// Schemeless URL's will make it this far, so we check for a host in the relative url and convert it to a protocol-url
if ( isset( $relative_url_parts['host'] ) ) {
$absolute_path .= $relative_url_parts['host'];
if ( isset( $relative_url_parts['port'] ) )
$absolute_path .= ':' . $relative_url_parts['port'];
} else {
$absolute_path .= $url_parts['host'];
if ( isset( $url_parts['port'] ) )
$absolute_path .= ':' . $url_parts['port'];
}
// Start off with the Absolute URL path.
$path = ! empty( $url_parts['path'] ) ? $url_parts['path'] : '/';
@@ -823,12 +895,12 @@ class WP_Http_Streams {
$r = wp_parse_args( $args, $defaults );
if ( isset($r['headers']['User-Agent']) ) {
if ( isset( $r['headers']['User-Agent'] ) ) {
$r['user-agent'] = $r['headers']['User-Agent'];
unset($r['headers']['User-Agent']);
} else if ( isset($r['headers']['user-agent']) ) {
unset( $r['headers']['User-Agent'] );
} elseif ( isset( $r['headers']['user-agent'] ) ) {
$r['user-agent'] = $r['headers']['user-agent'];
unset($r['headers']['user-agent']);
unset( $r['headers']['user-agent'] );
}
// Construct Cookie: header if any cookies are set.
@@ -848,6 +920,11 @@ class WP_Http_Streams {
}
}
// Always pass a Path, defaulting to the root in cases such as http://example.com
if ( ! isset( $arrURL['path'] ) ) {
$arrURL['path'] = '/';
}
if ( isset( $r['headers']['Host'] ) || isset( $r['headers']['host'] ) ) {
if ( isset( $r['headers']['Host'] ) )
$arrURL['host'] = $r['headers']['Host'];
@@ -952,15 +1029,19 @@ class WP_Http_Streams {
else
$requestPath = $arrURL['path'] . ( isset($arrURL['query']) ? '?' . $arrURL['query'] : '' );
if ( empty($requestPath) )
$requestPath .= '/';
$strHeaders = strtoupper($r['method']) . ' ' . $requestPath . ' HTTP/' . $r['httpversion'] . "\r\n";
if ( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) )
$include_port_in_host_header = (
( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) ) ||
( 'http' == $arrURL['scheme'] && 80 != $arrURL['port'] ) ||
( 'https' == $arrURL['scheme'] && 443 != $arrURL['port'] )
);
if ( $include_port_in_host_header ) {
$strHeaders .= 'Host: ' . $arrURL['host'] . ':' . $arrURL['port'] . "\r\n";
else
} else {
$strHeaders .= 'Host: ' . $arrURL['host'] . "\r\n";
}
if ( isset($r['user-agent']) )
$strHeaders .= 'User-agent: ' . $r['user-agent'] . "\r\n";
@@ -1020,8 +1101,10 @@ class WP_Http_Streams {
$this_block_size = strlen( $block );
if ( isset( $r['limit_response_size'] ) && ( $bytes_written + $this_block_size ) > $r['limit_response_size'] )
$block = substr( $block, 0, ( $r['limit_response_size'] - $bytes_written ) );
if ( isset( $r['limit_response_size'] ) && ( $bytes_written + $this_block_size ) > $r['limit_response_size'] ) {
$this_block_size = ( $r['limit_response_size'] - $bytes_written );
$block = substr( $block, 0, $this_block_size );
}
$bytes_written_to_file = fwrite( $stream_handle, $block );
@@ -1248,6 +1331,15 @@ class WP_Http_Curl {
*/
private $stream_handle = false;
/**
* The total bytes written in the current request.
*
* @since 4.1.0
* @access private
* @var int
*/
private $bytes_written_total = 0;
/**
* Send a HTTP request to a URI using cURL extension.
*
@@ -1268,12 +1360,12 @@ class WP_Http_Curl {
$r = wp_parse_args( $args, $defaults );
if ( isset($r['headers']['User-Agent']) ) {
if ( isset( $r['headers']['User-Agent'] ) ) {
$r['user-agent'] = $r['headers']['User-Agent'];
unset($r['headers']['User-Agent']);
} else if ( isset($r['headers']['user-agent']) ) {
unset( $r['headers']['User-Agent'] );
} elseif ( isset( $r['headers']['user-agent'] ) ) {
$r['user-agent'] = $r['headers']['user-agent'];
unset($r['headers']['user-agent']);
unset( $r['headers']['user-agent'] );
}
// Construct Cookie: header if any cookies are set.
@@ -1420,21 +1512,32 @@ class WP_Http_Curl {
curl_exec( $handle );
$theHeaders = WP_Http::processHeaders( $this->headers, $url );
$theBody = $this->body;
$bytes_written_total = $this->bytes_written_total;
$this->headers = '';
$this->body = '';
$this->bytes_written_total = 0;
$curl_error = curl_errno( $handle );
// If an error occurred, or, no response.
if ( $curl_error || ( 0 == strlen( $theBody ) && empty( $theHeaders['headers'] ) ) ) {
if ( CURLE_WRITE_ERROR /* 23 */ == $curl_error && $r['stream'] ) {
fclose( $this->stream_handle );
return new WP_Error( 'http_request_failed', __( 'Failed to write request to temporary file.' ) );
}
if ( $curl_error = curl_error( $handle ) ) {
curl_close( $handle );
return new WP_Error( 'http_request_failed', $curl_error );
if ( CURLE_WRITE_ERROR /* 23 */ == $curl_error ) {
if ( ! $this->max_body_length || $this->max_body_length != $bytes_written_total ) {
if ( $r['stream'] ) {
curl_close( $handle );
fclose( $this->stream_handle );
return new WP_Error( 'http_request_failed', __( 'Failed to write request to temporary file.' ) );
} else {
curl_close( $handle );
return new WP_Error( 'http_request_failed', curl_error( $handle ) );
}
}
} else {
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 );
@@ -1442,10 +1545,6 @@ class WP_Http_Curl {
}
}
$response = array();
$response['code'] = curl_getinfo( $handle, CURLINFO_HTTP_CODE );
$response['message'] = get_status_header_desc($response['code']);
curl_close( $handle );
if ( $r['stream'] )
@@ -1454,7 +1553,7 @@ class WP_Http_Curl {
$response = array(
'headers' => $theHeaders['headers'],
'body' => null,
'response' => $response,
'response' => $theHeaders['response'],
'cookies' => $theHeaders['cookies'],
'filename' => $r['filename']
);
@@ -1489,7 +1588,7 @@ class WP_Http_Curl {
* 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"
* Returning a length shorter than the length of $data passed in will cause cURL to abort the request with CURLE_WRITE_ERROR
*
* @since 3.6.0
* @access private
@@ -1498,8 +1597,10 @@ class WP_Http_Curl {
private function stream_body( $handle, $data ) {
$data_length = strlen( $data );
if ( $this->max_body_length && ( strlen( $this->body ) + $data_length ) > $this->max_body_length )
$data = substr( $data, 0, ( $this->max_body_length - $data_length ) );
if ( $this->max_body_length && ( $this->bytes_written_total + $data_length ) > $this->max_body_length ) {
$data_length = ( $this->max_body_length - $this->bytes_written_total );
$data = substr( $data, 0, $data_length );
}
if ( $this->stream_handle ) {
$bytes_written = fwrite( $this->stream_handle, $data );
@@ -1508,6 +1609,8 @@ class WP_Http_Curl {
$bytes_written = $data_length;
}
$this->bytes_written_total += $bytes_written;
// Upon event of this function returning less than strlen( $data ) curl will error with CURLE_WRITE_ERROR.
return $bytes_written;
}
@@ -1567,14 +1670,13 @@ class WP_Http_Curl {
* </ol>
*
* An example can be as seen below.
* <code>
* define('WP_PROXY_HOST', '192.168.84.101');
* define('WP_PROXY_PORT', '8080');
* define('WP_PROXY_BYPASS_HOSTS', 'localhost, www.example.com, *.wordpress.org');
* </code>
*
* @link http://core.trac.wordpress.org/ticket/4011 Proxy support ticket in WordPress.
* @link http://core.trac.wordpress.org/ticket/14636 Allow wildcard domains in WP_PROXY_BYPASS_HOSTS
* define('WP_PROXY_HOST', '192.168.84.101');
* define('WP_PROXY_PORT', '8080');
* define('WP_PROXY_BYPASS_HOSTS', 'localhost, www.example.com, *.wordpress.org');
*
* @link https://core.trac.wordpress.org/ticket/4011 Proxy support ticket in WordPress.
* @link https://core.trac.wordpress.org/ticket/14636 Allow wildcard domains in WP_PROXY_BYPASS_HOSTS
* @since 2.8.0
*/
class WP_HTTP_Proxy {
@@ -1692,7 +1794,6 @@ class WP_HTTP_Proxy {
* some proxies can not handle this. We also have the constant available for defining other
* hosts that won't be sent through the proxy.
*
* @uses WP_PROXY_BYPASS_HOSTS
* @since 2.8.0
*
* @param string $uri URI to check.
@@ -1868,7 +1969,7 @@ class WP_Http_Cookie {
}
} else {
if ( !isset( $data['name'] ) )
return false;
return;
// Set properties based directly on parameters.
foreach ( array( 'name', 'value', 'path', 'domain', 'port' ) as $field ) {
@@ -1987,7 +2088,7 @@ class WP_Http_Encoding {
* @param string $raw String to compress.
* @param int $level Optional, default is 9. Compression level, 9 is highest.
* @param string $supports Optional, not used. When implemented it will choose the right compression based on what the server supports.
* @return string|bool False on failure.
* @return string|false False on failure.
*/
public static function compress( $raw, $level = 9, $supports = null ) {
return gzdeflate( $raw, $level );
@@ -2015,7 +2116,7 @@ class WP_Http_Encoding {
if ( false !== ( $decompressed = @gzinflate( $compressed ) ) )
return $decompressed;
if ( false !== ( $decompressed = WP_Http_Encoding::compatible_gzinflate( $compressed ) ) )
if ( false !== ( $decompressed = self::compatible_gzinflate( $compressed ) ) )
return $decompressed;
if ( false !== ( $decompressed = @gzuncompress( $compressed ) ) )
@@ -2041,10 +2142,10 @@ class WP_Http_Encoding {
* Warning: Magic numbers within. Due to the potential different formats that the compressed
* data may be returned in, some "magic offsets" are needed to ensure proper decompression
* takes place. For a simple progmatic way to determine the magic offset in use, see:
* http://core.trac.wordpress.org/ticket/18273
* https://core.trac.wordpress.org/ticket/18273
*
* @since 2.8.1
* @link http://core.trac.wordpress.org/ticket/18273
* @link https://core.trac.wordpress.org/ticket/18273
* @link http://au2.php.net/manual/en/function.gzinflate.php#70875
* @link http://au2.php.net/manual/en/function.gzinflate.php#77336
*
@@ -2087,11 +2188,13 @@ class WP_Http_Encoding {
*
* @since 2.8.0
*
* @param string $url
* @param array $args
* @return string Types of encoding to accept.
*/
public static function accept_encoding( $url, $args ) {
$type = array();
$compression_enabled = WP_Http_Encoding::is_available();
$compression_enabled = self::is_available();
if ( ! $args['decompress'] ) // Decompression specifically disabled.
$compression_enabled = false;
@@ -2149,7 +2252,7 @@ class WP_Http_Encoding {
if ( is_array( $headers ) ) {
if ( array_key_exists('content-encoding', $headers) && ! empty( $headers['content-encoding'] ) )
return true;
} else if ( is_string( $headers ) ) {
} elseif ( is_string( $headers ) ) {
return ( stripos($headers, 'content-encoding:') !== false );
}