<?php
/**
* Deal with importing all those nasssty globals and things
- * @package MediaWiki
*/
# Copyright (C) 2003 Brion Vibber <brion@pobox.com>
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# http://www.gnu.org/copyleft/gpl.html
+
+/**
+ * Some entry points may use this file without first enabling the
+ * autoloader.
+ */
+if ( !function_exists( '__autoload' ) ) {
+ require_once( dirname(__FILE__) . '/normal/UtfNormal.php' );
+}
+
/**
* The WebRequest class encapsulates getting at data passed in the
* URL or via a POSTed form, handling remove of "magic quotes" slashes,
* you want to pass arbitrary data to some function in place of the web
* input.
*
- * @package MediaWiki
*/
class WebRequest {
- function WebRequest() {
+ var $data = array();
+ var $headers;
+ private $_response;
+
+ function __construct() {
+ /// @fixme This preemptive de-quoting can interfere with other web libraries
+ /// and increases our memory footprint. It would be cleaner to do on
+ /// demand; but currently we have no wrapper for $_SERVER etc.
$this->checkMagicQuotes();
+
+ // POST overrides GET data
+ // We don't use $_REQUEST here to avoid interference from cookies...
+ $this->data = wfArrayMerge( $_GET, $_POST );
+ }
+
+ /**
+ * Check for title, action, and/or variant data in the URL
+ * and interpolate it into the GET variables.
+ * This should only be run after $wgContLang is available,
+ * as we may need the list of language variants to determine
+ * available variant URLs.
+ */
+ function interpolateTitle() {
global $wgUsePathInfo;
- if( isset( $_SERVER['PATH_INFO'] ) && ($_SERVER['PATH_INFO'] != '') && $wgUsePathInfo ) {
- # Stuff it!
- $_GET['title'] = $_REQUEST['title'] =
- substr( $_SERVER['PATH_INFO'], 1 );
+ if ( $wgUsePathInfo ) {
+ // PATH_INFO is mangled due to http://bugs.php.net/bug.php?id=31892
+ // And also by Apache 2.x, double slashes are converted to single slashes.
+ // So we will use REQUEST_URI if possible.
+ $matches = array();
+ if ( !empty( $_SERVER['REQUEST_URI'] ) ) {
+ // Slurp out the path portion to examine...
+ $url = $_SERVER['REQUEST_URI'];
+ if ( !preg_match( '!^https?://!', $url ) ) {
+ $url = 'http://unused' . $url;
+ }
+ $a = parse_url( $url );
+ if( $a ) {
+ $path = isset( $a['path'] ) ? $a['path'] : '';
+
+ global $wgScript;
+ if( $path == $wgScript ) {
+ // Script inside a rewrite path?
+ // Abort to keep from breaking...
+ return;
+ }
+ // Raw PATH_INFO style
+ $matches = $this->extractTitle( $path, "$wgScript/$1" );
+
+ global $wgArticlePath;
+ if( !$matches && $wgArticlePath ) {
+ $matches = $this->extractTitle( $path, $wgArticlePath );
+ }
+
+ global $wgActionPaths;
+ if( !$matches && $wgActionPaths ) {
+ $matches = $this->extractTitle( $path, $wgActionPaths, 'action' );
+ }
+
+ global $wgVariantArticlePath, $wgContLang;
+ if( !$matches && $wgVariantArticlePath ) {
+ $variantPaths = array();
+ foreach( $wgContLang->getVariants() as $variant ) {
+ $variantPaths[$variant] =
+ str_replace( '$2', $variant, $wgVariantArticlePath );
+ }
+ $matches = $this->extractTitle( $path, $variantPaths, 'variant' );
+ }
+ }
+ } elseif ( isset( $_SERVER['ORIG_PATH_INFO'] ) && $_SERVER['ORIG_PATH_INFO'] != '' ) {
+ // Mangled PATH_INFO
+ // http://bugs.php.net/bug.php?id=31892
+ // Also reported when ini_get('cgi.fix_pathinfo')==false
+ $matches['title'] = substr( $_SERVER['ORIG_PATH_INFO'], 1 );
+
+ } elseif ( isset( $_SERVER['PATH_INFO'] ) && ($_SERVER['PATH_INFO'] != '') ) {
+ // Regular old PATH_INFO yay
+ $matches['title'] = substr( $_SERVER['PATH_INFO'], 1 );
+ }
+ foreach( $matches as $key => $val) {
+ $this->data[$key] = $_GET[$key] = $_REQUEST[$key] = $val;
+ }
}
}
-
- private $_response;
+
+ /**
+ * Internal URL rewriting function; tries to extract page title and,
+ * optionally, one other fixed parameter value from a URL path.
+ *
+ * @param $path string: the URL path given from the client
+ * @param $bases array: one or more URLs, optionally with $1 at the end
+ * @param $key string: if provided, the matching key in $bases will be
+ * passed on as the value of this URL parameter
+ * @return array of URL variables to interpolate; empty if no match
+ */
+ private function extractTitle( $path, $bases, $key=false ) {
+ foreach( (array)$bases as $keyValue => $base ) {
+ // Find the part after $wgArticlePath
+ $base = str_replace( '$1', '', $base );
+ $baseLen = strlen( $base );
+ if( substr( $path, 0, $baseLen ) == $base ) {
+ $raw = substr( $path, $baseLen );
+ if( $raw !== '' ) {
+ $matches = array( 'title' => rawurldecode( $raw ) );
+ if( $key ) {
+ $matches[$key] = $keyValue;
+ }
+ return $matches;
+ }
+ }
+ }
+ return array();
+ }
/**
* Recursively strips slashes from the given array;
* used for undoing the evil that is magic_quotes_gpc.
- * @param array &$arr will be modified
+ * @param $arr array: will be modified
* @return array the original array
* @private
*/
* @private
*/
function checkMagicQuotes() {
- if ( get_magic_quotes_gpc() ) {
+ if ( function_exists( 'get_magic_quotes_gpc' ) && get_magic_quotes_gpc() ) {
$this->fix_magic_quotes( $_COOKIE );
$this->fix_magic_quotes( $_ENV );
$this->fix_magic_quotes( $_GET );
/**
* Recursively normalizes UTF-8 strings in the given array.
- * @param array $data string or array
+ * @param $data string or array
* @return cleaned-up version of the given
* @private
*/
/**
* Fetch a value from the given array or return $default if it's not set.
*
- * @param array $arr
- * @param string $name
- * @param mixed $default
+ * @param $arr array
+ * @param $name string
+ * @param $default mixed
* @return mixed
* @private
*/
/**
* Fetch a scalar from the input or return $default if it's not set.
- * Returns a string. Arrays are discarded.
+ * Returns a string. Arrays are discarded. Useful for
+ * non-freeform text inputs (e.g. predefined internal text keys
+ * selected by a drop-down menu). For freeform input, see getText().
*
- * @param string $name
- * @param string $default optional default (or NULL)
+ * @param $name string
+ * @param $default string: optional default (or NULL)
* @return string
*/
function getVal( $name, $default = NULL ) {
- $val = $this->getGPCVal( $_REQUEST, $name, $default );
+ $val = $this->getGPCVal( $this->data, $name, $default );
if( is_array( $val ) ) {
$val = $default;
}
* If source was scalar, will return an array with a single element.
* If no source and no default, returns NULL.
*
- * @param string $name
- * @param array $default optional default (or NULL)
+ * @param $name string
+ * @param $default array: optional default (or NULL)
* @return array
*/
function getArray( $name, $default = NULL ) {
- $val = $this->getGPCVal( $_REQUEST, $name, $default );
+ $val = $this->getGPCVal( $this->data, $name, $default );
if( is_null( $val ) ) {
return null;
} else {
return (array)$val;
}
}
-
+
/**
* Fetch an array of integers, or return $default if it's not set.
* If source was scalar, will return an array with a single element.
* If no source and no default, returns NULL.
* If an array is returned, contents are guaranteed to be integers.
*
- * @param string $name
- * @param array $default option default (or NULL)
+ * @param $name string
+ * @param $default array: option default (or NULL)
* @return array of ints
*/
function getIntArray( $name, $default = NULL ) {
* Fetch an integer value from the input or return $default if not set.
* Guaranteed to return an integer; non-numeric input will typically
* return 0.
- * @param string $name
- * @param int $default
+ * @param $name string
+ * @param $default int
* @return int
*/
function getInt( $name, $default = 0 ) {
* Fetch an integer value from the input or return null if empty.
* Guaranteed to return an integer or null; non-numeric input will
* typically return null.
- * @param string $name
+ * @param $name string
* @return int
*/
function getIntOrNull( $name ) {
* Fetch a boolean value from the input or return $default if not set.
* Guaranteed to return true or false, with normal PHP semantics for
* boolean interpretation of strings.
- * @param string $name
- * @param bool $default
+ * @param $name string
+ * @param $default bool
* @return bool
*/
function getBool( $name, $default = false ) {
* Return true if the named value is set in the input, whatever that
* value is (even "0"). Return false if the named value is not set.
* Example use is checking for the presence of check boxes in forms.
- * @param string $name
+ * @param $name string
* @return bool
*/
function getCheck( $name ) {
* Fetch a text string from the given array or return $default if it's not
* set. \r is stripped from the text, and with some language modules there
* is an input transliteration applied. This should generally be used for
- * form <textarea> and <input> fields.
+ * form <textarea> and <input> fields. Used for user-supplied freeform text
+ * input (for which input transformations may be required - e.g. Esperanto
+ * x-coding).
*
- * @param string $name
- * @param string $default optional
+ * @param $name string
+ * @param $default string: optional
* @return string
*/
function getText( $name, $default = '' ) {
function getValues() {
$names = func_get_args();
if ( count( $names ) == 0 ) {
- $names = array_keys( $_REQUEST );
+ $names = array_keys( $this->data );
}
$retVal = array();
* Returns true if there is a session cookie set.
* This does not necessarily mean that the user is logged in!
*
+ * If you want to check for an open session, use session_id()
+ * instead; that will also tell you if the session was opened
+ * during the current request (in which case the cookie will
+ * be sent back to the client at the end of the script run).
+ *
* @return bool
*/
function checkSessionCookie() {
- return isset( $_COOKIE[ini_get('session.name')] );
+ return isset( $_COOKIE[session_name()] );
}
/**
* @return string
*/
function getRequestURL() {
- $base = $_SERVER['REQUEST_URI'];
+ if( isset( $_SERVER['REQUEST_URI'] ) ) {
+ $base = $_SERVER['REQUEST_URI'];
+ } elseif( isset( $_SERVER['SCRIPT_NAME'] ) ) {
+ // Probably IIS; doesn't set REQUEST_URI
+ $base = $_SERVER['SCRIPT_NAME'];
+ if( isset( $_SERVER['QUERY_STRING'] ) && $_SERVER['QUERY_STRING'] != '' ) {
+ $base .= '?' . $_SERVER['QUERY_STRING'];
+ }
+ } else {
+ // This shouldn't happen!
+ throw new MWException( "Web server doesn't provide either " .
+ "REQUEST_URI or SCRIPT_NAME. Report details of your " .
+ "web server configuration to http://bugzilla.wikimedia.org/" );
+ }
+ // User-agents should not send a fragment with the URI, but
+ // if they do, and the web server passes it on to us, we
+ // need to strip it or we get false-positive redirect loops
+ // or weird output URLs
+ $hash = strpos( $base, '#' );
+ if( $hash !== false ) {
+ $base = substr( $base, 0, $hash );
+ }
if( $base{0} == '/' ) {
return $base;
} else {
return htmlspecialchars( $this->appendQuery( $query ) );
}
+ function appendQueryValue( $key, $value, $onlyquery = false ) {
+ return $this->appendQueryArray( array( $key => $value ), $onlyquery );
+ }
+
+ /**
+ * Appends or replaces value of query variables.
+ * @param $array Array of values to replace/add to query
+ * @param $onlyquery Bool: whether to only return the query string and not
+ * the complete URL
+ * @return string
+ */
+ function appendQueryArray( $array, $onlyquery = false ) {
+ global $wgTitle;
+ $newquery = $_GET;
+ unset( $newquery['title'] );
+ $newquery = array_merge( $newquery, $array );
+ $query = wfArrayToCGI( $newquery );
+ return $onlyquery ? $query : $wgTitle->getLocalURL( $basequery );
+ }
+
/**
* Check for limit and offset parameters on the input, and return sensible
* defaults if not given. The limit must be positive and is capped at 5000.
*
* Other than this the name is not verified for being a safe filename.
*
- * @param $key String:
+ * @param $key String:
* @return string or NULL if no such file.
*/
function getFileName( $key ) {
wfDebug( "WebRequest::getFileName() '" . $_FILES[$key]['name'] . "' normalized to '$name'\n" );
return $name;
}
-
+
/**
- * Return a handle to WebResponse style object, for setting cookies,
+ * Return a handle to WebResponse style object, for setting cookies,
* headers and other stuff, for Request being worked on.
*/
function response() {
/* Lazy initialization of response object for this request */
if (!is_object($this->_response)) {
$this->_response = new WebResponse;
- }
+ }
return $this->_response;
}
-
+
+ /**
+ * Get a request header, or false if it isn't set
+ * @param $name String: case-insensitive header name
+ */
+ function getHeader( $name ) {
+ $name = strtoupper( $name );
+ if ( function_exists( 'apache_request_headers' ) ) {
+ if ( !isset( $this->headers ) ) {
+ $this->headers = array();
+ foreach ( apache_request_headers() as $tempName => $tempValue ) {
+ $this->headers[ strtoupper( $tempName ) ] = $tempValue;
+ }
+ }
+ if ( isset( $this->headers[$name] ) ) {
+ return $this->headers[$name];
+ } else {
+ return false;
+ }
+ } else {
+ $name = 'HTTP_' . str_replace( '-', '_', $name );
+ if ( isset( $_SERVER[$name] ) ) {
+ return $_SERVER[$name];
+ } else {
+ return false;
+ }
+ }
+ }
}
/**
* WebRequest clone which takes values from a provided array.
*
- * @package MediaWiki
*/
class FauxRequest extends WebRequest {
- var $data = null;
var $wasPosted = false;
+ /**
+ * @param $data Array of *non*-urlencoded key => value pairs, the
+ * fake GET/POST values
+ * @param $wasPosted Bool: whether to treat the data as POST
+ */
function FauxRequest( $data, $wasPosted = false ) {
if( is_array( $data ) ) {
$this->data = $data;
throw new MWException( "FauxRequest() got bogus data" );
}
$this->wasPosted = $wasPosted;
- }
-
- function getVal( $name, $default = NULL ) {
- return $this->getGPCVal( $this->data, $name, $default );
+ $this->headers = array();
}
function getText( $name, $default = '' ) {
# Override; don't recode since we're using internal data
- return $this->getVal( $name, $default );
+ return (string)$this->getVal( $name, $default );
}
function getValues() {
throw new MWException( 'FauxRequest::appendQuery() not implemented' );
}
-}
+ function getHeader( $name ) {
+ return isset( $this->headers[$name] ) ? $this->headers[$name] : false;
+ }
-?>
+}
dépôts / lhc / web / wiklou.git / blobdiff