* not create a second WebRequest object; make a FauxRequest object if
* you want to pass arbitrary data to some function in place of the web
* input.
- *
+ *
* @ingroup HTTP
*/
class WebRequest {
- var $data = array();
- var $headers;
+ protected $data, $headers = array();
private $_response;
- function __construct() {
- /// @fixme This preemptive de-quoting can interfere with other web libraries
+ public function __construct() {
+ /// @todo 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();
* as we may need the list of language variants to determine
* available variant URLs.
*/
- function interpolateTitle() {
+ public function interpolateTitle() {
global $wgUsePathInfo;
+
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'];
* used for undoing the evil that is magic_quotes_gpc.
* @param $arr array: will be modified
* @return array the original array
- * @private
*/
- function &fix_magic_quotes( &$arr ) {
+ private function &fix_magic_quotes( &$arr ) {
foreach( $arr as $key => $val ) {
if( is_array( $val ) ) {
$this->fix_magic_quotes( $arr[$key] );
* through fix_magic_quotes to strip out the stupid slashes.
* WARNING: This should only be done once! Running a second
* time could damage the values.
- * @private
*/
- function checkMagicQuotes() {
- if ( function_exists( 'get_magic_quotes_gpc' ) && get_magic_quotes_gpc() ) {
+ private function checkMagicQuotes() {
+ $mustFixQuotes = function_exists( 'get_magic_quotes_gpc' )
+ && get_magic_quotes_gpc();
+ if( $mustFixQuotes ) {
$this->fix_magic_quotes( $_COOKIE );
$this->fix_magic_quotes( $_ENV );
$this->fix_magic_quotes( $_GET );
$data[$key] = $this->normalizeUnicode( $val );
}
} else {
- $data = UtfNormal::cleanUp( $data );
+ global $wgContLang;
+ $data = $wgContLang->normalize( $data );
}
return $data;
}
* @param $name string
* @param $default mixed
* @return mixed
- * @private
*/
- function getGPCVal( $arr, $name, $default ) {
+ private function getGPCVal( $arr, $name, $default ) {
+ # PHP is so nice to not touch input data, except sometimes:
+ # http://us2.php.net/variables.external#language.variables.external.dot-in-names
+ # Work around PHP *feature* to avoid *bugs* elsewhere.
+ $name = strtr( $name, '.', '_' );
if( isset( $arr[$name] ) ) {
global $wgContLang;
$data = $arr[$name];
* @param $default string: optional default (or NULL)
* @return string
*/
- function getVal( $name, $default = NULL ) {
+ public function getVal( $name, $default = null ) {
$val = $this->getGPCVal( $this->data, $name, $default );
if( is_array( $val ) ) {
$val = $default;
return (string)$val;
}
}
-
+
/**
* Set an aribtrary value into our get/post data.
* @param $key string Key name to use
* @param $value mixed Value to set
* @return mixed old value if one was present, null otherwise
*/
- function setVal( $key, $value ) {
+ public function setVal( $key, $value ) {
$ret = isset( $this->data[$key] ) ? $this->data[$key] : null;
$this->data[$key] = $value;
return $ret;
* @param $default array: optional default (or NULL)
* @return array
*/
- function getArray( $name, $default = NULL ) {
+ public function getArray( $name, $default = null ) {
$val = $this->getGPCVal( $this->data, $name, $default );
if( is_null( $val ) ) {
return null;
* @param $default array: option default (or NULL)
* @return array of ints
*/
- function getIntArray( $name, $default = NULL ) {
+ public function getIntArray( $name, $default = null ) {
$val = $this->getArray( $name, $default );
if( is_array( $val ) ) {
$val = array_map( 'intval', $val );
* @param $default int
* @return int
*/
- function getInt( $name, $default = 0 ) {
+ public function getInt( $name, $default = 0 ) {
return intval( $this->getVal( $name, $default ) );
}
* @param $name string
* @return int
*/
- function getIntOrNull( $name ) {
+ public function getIntOrNull( $name ) {
$val = $this->getVal( $name );
return is_numeric( $val )
? intval( $val )
* @param $default bool
* @return bool
*/
- function getBool( $name, $default = false ) {
+ public function getBool( $name, $default = false ) {
return $this->getVal( $name, $default ) ? true : false;
}
* @param $name string
* @return bool
*/
- function getCheck( $name ) {
+ public function getCheck( $name ) {
# Checkboxes and buttons are only present when clicked
# Presence connotes truth, abscense false
- $val = $this->getVal( $name, NULL );
+ $val = $this->getVal( $name, null );
return isset( $val );
}
* @param $default string: optional
* @return string
*/
- function getText( $name, $default = '' ) {
+ public function getText( $name, $default = '' ) {
global $wgContLang;
$val = $this->getVal( $name, $default );
return str_replace( "\r\n", "\n",
* If no arguments are given, returns all input values.
* No transformation is performed on the values.
*/
- function getValues() {
+ public function getValues() {
$names = func_get_args();
if ( count( $names ) == 0 ) {
$names = array_keys( $this->data );
*
* @return bool
*/
- function wasPosted() {
+ public function wasPosted() {
return $_SERVER['REQUEST_METHOD'] == 'POST';
}
*
* @return bool
*/
- function checkSessionCookie() {
+ public function checkSessionCookie() {
return isset( $_COOKIE[session_name()] );
}
* Return the path portion of the request URI.
* @return string
*/
- function getRequestURL() {
- if( isset( $_SERVER['REQUEST_URI'] ) ) {
+ public function getRequestURL() {
+ if( isset( $_SERVER['REQUEST_URI']) && strlen($_SERVER['REQUEST_URI']) ) {
$base = $_SERVER['REQUEST_URI'];
} elseif( isset( $_SERVER['SCRIPT_NAME'] ) ) {
// Probably IIS; doesn't set REQUEST_URI
* Return the request URI with the canonical service and hostname.
* @return string
*/
- function getFullRequestURL() {
+ public function getFullRequestURL() {
global $wgServer;
return $wgServer . $this->getRequestURL();
}
* @param $query String: query string fragment; do not include initial '?'
* @return string
*/
- function appendQuery( $query ) {
+ public function appendQuery( $query ) {
global $wgTitle;
$basequery = '';
foreach( $_GET as $var => $val ) {
* @param $query String: query string fragment; do not include initial '?'
* @return string
*/
- function escapeAppendQuery( $query ) {
+ public function escapeAppendQuery( $query ) {
return htmlspecialchars( $this->appendQuery( $query ) );
}
- function appendQueryValue( $key, $value, $onlyquery = false ) {
+ public function appendQueryValue( $key, $value, $onlyquery = false ) {
return $this->appendQueryArray( array( $key => $value ), $onlyquery );
}
* the complete URL
* @return string
*/
- function appendQueryArray( $array, $onlyquery = false ) {
+ public function appendQueryArray( $array, $onlyquery = false ) {
global $wgTitle;
$newquery = $_GET;
unset( $newquery['title'] );
* @param $optionname String: to specify an option other than rclimit to pull from.
* @return array first element is limit, second is offset
*/
- function getLimitOffset( $deflimit = 50, $optionname = 'rclimit' ) {
+ public function getLimitOffset( $deflimit = 50, $optionname = 'rclimit' ) {
global $wgUser;
$limit = $this->getInt( 'limit', 0 );
* @param $key String:
* @return string or NULL if no such file.
*/
- function getFileTempname( $key ) {
+ public function getFileTempname( $key ) {
if( !isset( $_FILES[$key] ) ) {
- return NULL;
+ return null;
}
return $_FILES[$key]['tmp_name'];
}
* @param $key String:
* @return integer
*/
- function getFileSize( $key ) {
+ public function getFileSize( $key ) {
if( !isset( $_FILES[$key] ) ) {
return 0;
}
* @param $key String:
* @return integer
*/
- function getUploadError( $key ) {
+ public function getUploadError( $key ) {
if( !isset( $_FILES[$key] ) || !isset( $_FILES[$key]['error'] ) ) {
return 0/*UPLOAD_ERR_OK*/;
}
* @param $key String:
* @return string or NULL if no such file.
*/
- function getFileName( $key ) {
+ public function getFileName( $key ) {
+ global $wgContLang;
if( !isset( $_FILES[$key] ) ) {
- return NULL;
+ return null;
}
$name = $_FILES[$key]['name'];
# Safari sends filenames in HTML-encoded Unicode form D...
# Horrid and evil! Let's try to make some kind of sense of it.
$name = Sanitizer::decodeCharReferences( $name );
- $name = UtfNormal::cleanUp( $name );
+ $name = $wgContLang->normalize( $name );
wfDebug( "WebRequest::getFileName() '" . $_FILES[$key]['name'] . "' normalized to '$name'\n" );
return $name;
}
* Return a handle to WebResponse style object, for setting cookies,
* headers and other stuff, for Request being worked on.
*/
- function response() {
+ public function response() {
/* Lazy initialization of response object for this request */
- if (!is_object($this->_response)) {
- $this->_response = new WebResponse;
+ if ( !is_object( $this->_response ) ) {
+ $class = ( $this instanceof FauxRequest ) ? 'FauxResponse' : 'WebResponse';
+ $this->_response = new $class();
}
return $this->_response;
}
* Get a request header, or false if it isn't set
* @param $name String: case-insensitive header name
*/
- function getHeader( $name ) {
+ public function getHeader( $name ) {
$name = strtoupper( $name );
if ( function_exists( 'apache_request_headers' ) ) {
- if ( !isset( $this->headers ) ) {
- $this->headers = array();
+ if ( !$this->headers ) {
foreach ( apache_request_headers() as $tempName => $tempValue ) {
$this->headers[ strtoupper( $tempName ) ] = $tempValue;
}
}
}
}
-
+
/*
* Get data from $_SESSION
+ * @param $key String Name of key in $_SESSION
+ * @return mixed
*/
- function getSessionData( $key ) {
+ public function getSessionData( $key ) {
if( !isset( $_SESSION[$key] ) )
return null;
return $_SESSION[$key];
}
- function setSessionData( $key, $data ) {
+
+ /**
+ * Set session data
+ * @param $key String Name of key in $_SESSION
+ * @param $data mixed
+ */
+ public function setSessionData( $key, $data ) {
$_SESSION[$key] = $data;
}
+
+ /**
+ * Returns true if the PATH_INFO ends with an extension other than a script
+ * extension. This could confuse IE for scripts that send arbitrary data which
+ * is not HTML but may be detected as such.
+ *
+ * Various past attempts to use the URL to make this check have generally
+ * run up against the fact that CGI does not provide a standard method to
+ * determine the URL. PATH_INFO may be mangled (e.g. if cgi.fix_pathinfo=0),
+ * but only by prefixing it with the script name and maybe some other stuff,
+ * the extension is not mangled. So this should be a reasonably portable
+ * way to perform this security check.
+ *
+ * Also checks for anything that looks like a file extension at the end of
+ * QUERY_STRING, since IE 6 and earlier will use this to get the file type
+ * if there was no dot before the question mark (bug 28235).
+ */
+ public function isPathInfoBad() {
+ global $wgScriptExtension;
+
+ if ( isset( $_SERVER['QUERY_STRING'] )
+ && preg_match( '/\.[a-z0-9]{1,4}(#|\?|$)/i', $_SERVER['QUERY_STRING'] ) )
+ {
+ // Bug 28235
+ // Block only Internet Explorer, and requests with missing UA
+ // headers that could be IE users behind a privacy proxy.
+ if ( !isset( $_SERVER['HTTP_USER_AGENT'] )
+ || preg_match( '/; *MSIE/', $_SERVER['HTTP_USER_AGENT'] ) )
+ {
+ return true;
+ }
+ }
+
+ if ( !isset( $_SERVER['PATH_INFO'] ) ) {
+ return false;
+ }
+ $pi = $_SERVER['PATH_INFO'];
+ $dotPos = strrpos( $pi, '.' );
+ if ( $dotPos === false ) {
+ return false;
+ }
+ $ext = substr( $pi, $dotPos );
+ return !in_array( $ext, array( $wgScriptExtension, '.php', '.php5' ) );
+ }
}
/**
* @ingroup HTTP
*/
class FauxRequest extends WebRequest {
- var $wasPosted = false;
+ private $wasPosted = false;
+ private $session = array();
+ private $response;
/**
* @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, $session = null ) {
+ public function __construct( $data, $wasPosted = false, $session = null ) {
if( is_array( $data ) ) {
$this->data = $data;
} else {
throw new MWException( "FauxRequest() got bogus data" );
}
$this->wasPosted = $wasPosted;
- $this->headers = array();
- $this->session = $session ? $session : array();
+ if( $session )
+ $this->session = $session;
}
-
- function notImplemented( $method ) {
+
+ private function notImplemented( $method ) {
throw new MWException( "{$method}() not implemented" );
}
- function getText( $name, $default = '' ) {
+ public function getText( $name, $default = '' ) {
# Override; don't recode since we're using internal data
return (string)$this->getVal( $name, $default );
}
- function getValues() {
+ public function getValues() {
return $this->data;
}
- function wasPosted() {
+ public function wasPosted() {
return $this->wasPosted;
}
- function checkSessionCookie() {
+ public function checkSessionCookie() {
return false;
}
- function getRequestURL() {
+ public function getRequestURL() {
$this->notImplemented( __METHOD__ );
}
- function appendQuery( $query ) {
+ public function appendQuery( $query ) {
$this->notImplemented( __METHOD__ );
}
- function getHeader( $name ) {
+ public function getHeader( $name ) {
return isset( $this->headers[$name] ) ? $this->headers[$name] : false;
}
- function getSessionData( $key ) {
- if( !isset( $this->session[$key] ) )
- return null;
- return $this->session[$key];
+ public function setHeader( $name, $val ) {
+ $this->headers[$name] = $val;
+ }
+
+ public function getSessionData( $key ) {
+ if( isset( $this->session[$key] ) )
+ return $this->session[$key];
}
- function setSessionData( $key, $data ) {
+
+ public function setSessionData( $key, $data ) {
$this->notImplemented( __METHOD__ );
}
+ public function isPathInfoBad() {
+ return false;
+ }
}
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