package com.meterware.servletunit;
/********************************************************************************************************************
* $Id: ServletUnitHttpRequest.java 887 2008-04-03 06:20:33Z wolfgang_fahl $
*
* Copyright (c) 2000-2008, Russell Gold
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
* documentation files (the "Software"), to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and
* to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
* THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*******************************************************************************************************************/
import com.meterware.httpunit.WebRequest;
import com.meterware.httpunit.WebClient;
import com.meterware.httpunit.Base64;
import com.meterware.httpunit.HttpUnitUtils;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.util.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpSession;
import javax.servlet.ServletInputStream;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
/**
* This class represents a servlet request created from a WebRequest.
**/
class ServletUnitHttpRequest implements HttpServletRequest {
private ServletInputStreamImpl _inputStream;
// TODO remove when test case for [ 1509117 ] getContentType()
// gets available
private String _contentType;
private Vector _locales;
private String _protocol;
private boolean _secure;
private RequestContext _requestContext;
private String _charset;
private boolean _gotReader;
private boolean _gotInputStream;
private BufferedReader _reader;
/**
* Constructs a ServletUnitHttpRequest from a WebRequest object.
**/
ServletUnitHttpRequest( ServletMetaData servletRequest, WebRequest request, ServletUnitContext context, Dictionary clientHeaders, byte[] messageBody ) throws MalformedURLException {
if (context == null) throw new IllegalArgumentException( "Context must not be null" );
_servletRequest = servletRequest;
_request = request;
_context = context;
_headers = new WebClient.HeaderDictionary();
_headers.addEntries( clientHeaders );
_headers.addEntries( request.getHeaders() );
setCookiesFromHeader( _headers );
_messageBody = messageBody;
_protocol=request.getURL().getProtocol().toLowerCase();
_secure = _protocol.endsWith("s" );
_requestContext = new RequestContext( request.getURL() );
String contentTypeHeader = (String) _headers.get( "Content-Type" );
if (contentTypeHeader != null) {
String[] res = HttpUnitUtils.parseContentTypeHeader( contentTypeHeader );
_contentType = res[0];
_charset = res[1];
_requestContext.setMessageEncoding( _charset );
}
if (_headers.get( "Content-Length") == null) _headers.put( "Content-Length", Integer.toString( messageBody.length ) );
boolean setBody=
// pre [ 1509117 ] getContentType()
// _messageBody != null && (_contentType == null || _contentType.indexOf( "x-www-form-urlencoded" ) >= 0 );
// patch version:
_messageBody != null && (contentTypeHeader == null || contentTypeHeader.indexOf( "x-www-form-urlencoded" ) >= 0 );
if (setBody) {
_requestContext.setMessageBody( _messageBody );
}
}
//----------------------------------------- HttpServletRequest methods --------------------------
/**
* Returns the name of the authentication scheme used to protect the servlet, for example, "BASIC" or "SSL,"
* or null if the servlet was not protected.
**/
public String getAuthType() {
return null;
}
/**
* Returns the query string that is contained in the request URL after the path.
**/
public String getQueryString() {
return _request.getQueryString();
}
/**
* Returns an array containing all of the Cookie objects the client sent with this request.
* This method returns null if no cookies were sent.
**/
public Cookie[] getCookies() {
if (_cookies.size() == 0) {
return null;
} else {
Cookie[] result = new Cookie[ _cookies.size() ];
_cookies.copyInto( result );
return result;
}
}
/**
* Returns the value of the specified request header as an int. If the request does not have a header
* of the specified name, this method returns -1. If the header cannot be converted to an integer,
* this method throws a NumberFormatException.
**/
public int getIntHeader( String name ) {
return Integer.parseInt( getHeader( name ) );
}
/**
* Returns the value of the specified request header as a long value that represents a Date object.
* Use this method with headers that contain dates, such as If-Modified-Since.
*
* The date is returned as the number of milliseconds since January 1, 1970 GMT. The header name is case insensitive.
*
* If the request did not have a header of the specified name, this method returns -1.
* If the header can't be converted to a date, the method throws an IllegalArgumentException.
**/
public long getDateHeader( String name ) {
try {
String dateString=getHeader(name);
Date headerDate=new Date(dateString);
return headerDate.getTime();
} catch (Exception e) {
return -1;
}
}
/**
* Returns the value of the specified request header as a String. If the request did not include
* a header of the specified name, this method returns null. The header name is case insensitive.
* You can use this method with any request header.
**/
public String getHeader( String name ) {
return (String) _headers.get( name );
}
/**
* Returns an enumeration of all the header names this request contains. If the request has no headers,
* this method returns an empty enumeration.
*
* Some servlet containers do not allow do not allow servlets to access headers using this method,
* in which case this method returns null.
**/
public Enumeration getHeaderNames() {
return _headers.keys();
}
/**
* Returns the part of this request's URL that calls the servlet. This includes either the servlet name
* or a path to the servlet, but does not include any extra path information or a query string.
**/
public String getServletPath() {
return _servletRequest.getServletPath();
}
/**
* Returns the name of the HTTP method with which this request was made, for example, GET, POST, or PUT.
**/
public String getMethod() {
return _request.getMethod();
}
/**
* Returns any extra path information associated with the URL the client sent when it made this request.
* The extra path information follows the servlet path but precedes the query string.
* This method returns null if there was no extra path information.
**/
public String getPathInfo() {
return _servletRequest.getPathInfo();
}
/**
* Returns any extra path information after the servlet name but before the query string,
* and translates it to a real path. If the URL does not have any extra path information, this method returns null.
**/
public String getPathTranslated() {
return null;
}
/**
* Checks whether the requested session ID came in as a cookie.
**/
public boolean isRequestedSessionIdFromCookie() {
return _sessionID != null;
}
/**
* Returns the login of the user making this request, if the user has been authenticated,
* or null if the user has not been authenticated.
* Whether the user name is sent with each subsequent request depends on the browser and type of authentication.
**/
public String getRemoteUser() {
return _userName;
}
/**
* Returns the session ID specified by the client. This may not be the same as the ID of the actual session in use.
* For example, if the request specified an old (expired) session ID and the server has started a new session,
* this method gets a new session with a new ID. If the request did not specify a session ID, this method returns null.
**/
public String getRequestedSessionId() {
return _sessionID;
}
/**
* Returns the part of this request's URL from the protocol name up to the query string in the first line of the HTTP request.
**/
public String getRequestURI() {
return _requestContext.getRequestURI();
}
/**
* Returns the current HttpSession associated with this request or, if there is no current session
* and create is true, returns a new session.
*
* If create is false and the request has no valid HttpSession, this method returns null.
**/
public HttpSession getSession( boolean create ) {
_session = _context.getValidSession( getRequestedSessionId(), _session, create );
return _session;
}
/**
* Returns the current session associated with this request, or if the request does not have a session, creates one.
**/
public HttpSession getSession() {
return getSession( true );
}
/**
* Checks whether the requested session ID is still valid.
**/
public boolean isRequestedSessionIdValid() {
return false;
}
/**
* Checks whether the requested session ID came in as part of the request URL.
**/
public boolean isRequestedSessionIdFromURL() {
return false;
}
/**
* @deprecated use #isRequestedSessionIdFromURL
**/
public boolean isRequestedSessionIdFromUrl() {
return isRequestedSessionIdFromURL();
}
//--------------------------------- ServletRequest methods ----------------------------------------------------
/**
* Returns the length, in bytes, of the content contained in the
* request and sent by way of the input stream or -1 if the
* length is not known.
**/
public int getContentLength() {
return getIntHeader( "Content-length" );
}
/**
*
* Returns the value of the named attribute as an Object.
* This method allows the servlet engine to give the servlet
* custom information about a request. This method returns
* null if no attribute of the given name exists.
**/
public Object getAttribute( String name ) {
return _attributes.get( name );
}
/**
* Returns an Enumeration containing the
* names of the attributes available to this request.
* This method returns an empty Enumeration
* if the request has no attributes available to it.
**/
public Enumeration getAttributeNames() {
return _attributes.keys();
}
/**
* Retrieves binary data from the body of the request as
* a {@link ServletInputStream}, which
* gives you the ability to read one line at a time.
*
* @return a {@link ServletInputStream} object containing
* the body of the request
*
* @exception IllegalStateException if the {@link #getReader} method
* has already been called for this request
*
* @exception IOException if an input or output exception occurred
*
*/
public ServletInputStream getInputStream() throws IOException {
if (_gotReader) {
throw new IllegalStateException("getReader() has already been called for this request");
}
initializeInputStream();
_gotInputStream = true;
return _inputStream;
}
/**
* initialize the inputStream
*/
private void initializeInputStream() {
if (_inputStream == null) {
_inputStream = new ServletInputStreamImpl( _messageBody );
}
}
/**
* Returns the name of the character encoding style used in this
* request. This method returns null if the request
* does not use character encoding.
**/
public String getCharacterEncoding() {
return _charset;
}
/**
*
* Returns an Enumeration of String
* objects containing the names of the parameters contained
* in this request. If the request has
* no parameters or if the input stream is empty, returns an
* empty Enumeration. The input stream is empty
* when all the data returned by {@link #getInputStream} has
* been read.
**/
public Enumeration getParameterNames() {
return _requestContext.getParameterNames();
}
/**
* Returns the MIME type of the content of the request, or
* null if the type is not known. Same as the value
* of the CGI variable CONTENT_TYPE.
**/
public String getContentType() {
String result;
result=_contentType;
/**
* suggested fix by bug report
* [ 1509117 ] getContentType()
* by Tom Parker
*/
result=this.getHeader( "Content-Type" );
return result;
}
/**
* Returns the value of a request parameter as a String,
* or null if the parameter does not exist. Request parameters
* are extra information sent with the request.
**/
public String getParameter( String name ) {
String[] parameters = getParameterValues( name );
return parameters == null ? null : parameters[0];
}
/**
* Returns an array of String objects containing
* all of the values the
* given request parameter has, or null if the
* parameter does not exist. For example, in an HTTP servlet,
* this method returns an array of String objects
* containing the values of a query string or posted form.
**/
public String[] getParameterValues( String name ) {
return _requestContext.getParameterValues( name );
}
/**
* Returns the name and version of the protocol the request uses
* in the form protocol/majorVersion.minorVersion, for
* example, HTTP/1.1.
**/
public String getProtocol() {
return "HTTP/1.1";
}
/**
* Returns the name of the scheme used to make this request,
* for example,
* http, https, or ftp.
* Different schemes have different rules for constructing URLs,
* as noted in RFC 1738.
**/
public String getScheme() {
String result= isSecure() ? "https" : "http";
result=_protocol;
return result;
}
/**
* Returns the fully qualified name of the client that sent the
* request.
**/
public String getRemoteHost() {
return "localhost";
}
/**
* Returns the host name of the server that received the request.
**/
public String getServerName() {
return "localhost";
}
/**
* Returns the port number on which this request was received.
**/
public int getServerPort() {
return 0;
}
/**
*
* @deprecated As of Version 2.1 of the Java Servlet API,
* use {@link javax.servlet.ServletContext#getRealPath} instead.
*
*/
public String getRealPath( String path ) {
throwNotImplementedYet();
return "";
}
/**
* Returns the body of the request as a BufferedReader
* that translates character set encodings.
* @since [ 1221537 ] Patch: ServletUnitHttpRequest.getReader not implemented yet
* @author Tim - timmorrow (SourceForge)
* @return the reader
**/
public BufferedReader getReader() throws IOException {
if (_gotInputStream) {
throw new IllegalStateException("getInputStream() has already been called on this request");
}
if (_reader == null) {
initializeInputStream();
String encoding = getCharacterEncoding();
if (encoding == null) {
encoding = HttpUnitUtils.DEFAULT_CHARACTER_SET;
}
_reader = new BufferedReader(new InputStreamReader(_inputStream, encoding));
_gotReader = true;
}
return _reader;
}
/**
* Returns the Internet Protocol (IP) address of the client
* that sent the request.
**/
public String getRemoteAddr() {
return LOOPBACK_ADDRESS;
}
/**
*
* Stores an attribute in the context of this request.
* Attributes are reset between requests.
**/
public void setAttribute( String key, Object o ) {
if (o == null) _attributes.remove( key );
else _attributes.put( key, o );
}
//--------------------------------- methods added to ServletRequest in Servlet API 2.2 ------------------------------------------------
/**
* Returns a boolean indicating whether this request was made using a secure channel, such as HTTPS.
**/
public boolean isSecure() {
return _secure;
}
/**
* Returns the preferred Locale that the client will accept content in, based on the Accept-Language header.
* If the client request doesn't provide an Accept-Language header, this method returns the default locale for the server.
**/
public Locale getLocale() {
return (Locale) getPreferredLocales().firstElement();
}
/**
* Returns an Enumeration of Locale objects indicating, in decreasing order starting with the preferred locale,
* the locales that are acceptable to the client based on the Accept-Language header.
* If the client request doesn't provide an Accept-Language header, this
* method returns an Enumeration containing one Locale, the default locale for the server.
**/
public java.util.Enumeration getLocales() {
return getPreferredLocales().elements();
}
/**
* Parses the accept-language header to obtain a vector of preferred locales
* @return the preferred locales, sorted by qvalue
*/
private Vector getPreferredLocales() {
if (_locales == null) {
_locales = new Vector();
String languages = getHeader( "accept-language" );
if (languages == null) {
_locales.add( Locale.getDefault() );
} else {
StringTokenizer st = new StringTokenizer( languages, "," );
ArrayList al = new ArrayList();
while (st.hasMoreTokens()) {
String token = st.nextToken();
al.add( new PrioritizedLocale( token ) );
}
Collections.sort( al );
for (Iterator iterator = al.iterator(); iterator.hasNext();) {
_locales.add( ((PrioritizedLocale) iterator.next()).getLocale() );
}
}
}
return _locales;
}
/**
* Removes an attribute from this request. This method is not generally needed
* as attributes only persist as long as the request is being handled.
**/
public void removeAttribute( String name ) {
_attributes.remove( name );
}
/**
* Returns a RequestDispatcher object that acts as a wrapper for the resource located at the given path.
* A RequestDispatcher object can be used to forward a request to the resource or to include the
* resource in a response. The resource can be dynamic or static.
*
* The pathname specified may be relative, although it cannot extend outside the current servlet
* context. If the path begins with a "/" it is interpreted as relative to the current context root.
* This method returns null if the servlet container cannot return a RequestDispatcher.
*
* The difference between this method and ServletContext.getRequestDispatcher(java.lang.String)
* is that this method can take a relative path.
**/
public RequestDispatcher getRequestDispatcher( String path ) {
try {
if (!path.startsWith( "/" )) path = combinedPath( getServletPath(), path );
return _servletRequest.getServlet().getServletConfig().getServletContext().getRequestDispatcher( path );
} catch (ServletException e) {
return null;
}
}
private String combinedPath( String basePath, String relativePath ) {
if (basePath.indexOf( '/' ) < 0) return relativePath;
return basePath.substring( 0, basePath.lastIndexOf( '/' ) ) + '/' + relativePath;
}
//--------------------------------- methods added to HttpServletRequest in Servlet API 2.2 ------------------------------------------------
/**
* Returns a java.security.Principal object containing the name of the current authenticated user.
* If the user has not been authenticated, the method returns null.
**/
public java.security.Principal getUserPrincipal() {
return null;
}
/**
* Returns a boolean indicating whether the authenticated user is included in the specified
* logical "role". Roles and role membership can be defined using deployment descriptors.
* If the user has not been authenticated, the method returns false.
**/
public boolean isUserInRole( String role ) {
if (_roles == null) return false;
for (int i = 0; i < _roles.length; i++) {
if (role.equals( _roles[i] )) return true;
}
return false;
}
/**
* Returns all the values of the specified request header as an Enumeration of String objects.
**/
public java.util.Enumeration getHeaders( String name ) {
Vector list = new Vector();
if (_headers.containsKey( name )) list.add( _headers.get( name ));
return list.elements();
}
/**
* Returns the portion of the request URI that indicates the context of the request.
* The context path always comes first in a request URI. The path starts with a "/" character
* but does not end with a "/" character. For servlets in the default (root) context,
* this method returns "".
**/
public String getContextPath() {
return _context.getContextPath();
}
//--------------------------------------- methods added to ServletRequest in Servlet API 2.3 ----------------------------
/**
* Returns a java.util.Map of the parameters of this request.
* Request parameters are extra information sent with the request. For HTTP servlets, parameters are contained
* in the query string or posted form data.
*
* @since 1.3
**/
public Map getParameterMap() {
return _requestContext.getParameterMap();
}
/**
* Overrides the name of the character encoding used in the body of this request.
* This method must be called prior to reading request parameters or reading input using getReader().
*
* @since 1.3
**/
public void setCharacterEncoding( String charset ) throws UnsupportedEncodingException {
_charset = charset;
_requestContext.setMessageEncoding( charset );
}
//--------------------------------------- methods added to HttpServletRequest in Servlet API 2.3 ----------------------------
/**
* Reconstructs the URL the client used to make the request.
* The returned URL contains a protocol, server name, port number, and server path, but
* it does not include query string parameters.
*
* Because this method returns a StringBuffer, not a string, you can modify the URL easily, for example,
* to append query parameters.
*
* This method is useful for creating redirect messages and for reporting errors.
*
* @since 1.3
*/
public StringBuffer getRequestURL() {
StringBuffer url = new StringBuffer();
try {
url.append( _request.getURL().getProtocol() ).append( "://" );
url.append( _request.getURL().getHost() );
url.append( _request.getURL().getPath() );
} catch (MalformedURLException e) {
throw new RuntimeException( "unable to read URL from request: " + _request );
}
return url;
}
//--------------------------------------- methods added to ServletRequest in Servlet API 2.4 ----------------------------
public int getRemotePort() {
return 0; //To change body of implemented methods use File | Settings | File Templates.
}
public String getLocalName() {
return "localhost";
}
public String getLocalAddr() {
return "127.0.0.1";
}
public int getLocalPort() {
return 0; //To change body of implemented methods use File | Settings | File Templates.
}
//--------------------------------------------- package members ----------------------------------------------
private void addCookie( Cookie cookie ) {
_cookies.addElement( cookie );
if (cookie.getName().equalsIgnoreCase( ServletUnitHttpSession.SESSION_COOKIE_NAME )) {
_sessionID = cookie.getValue();
}
}
private ServletUnitHttpSession getServletSession() {
return (ServletUnitHttpSession) getSession();
}
void readFormAuthentication() {
if (getSession( /* create */ false ) != null) {
recordAuthenticationInfo( getServletSession().getUserName(), getServletSession().getRoles() );
}
}
void readBasicAuthentication() {
String authorizationHeader = (String) _headers.get( "Authorization" );
if (authorizationHeader != null) {
String userAndPassword = Base64.decode( authorizationHeader.substring( authorizationHeader.indexOf( ' ' ) + 1 ) );
int colonPos = userAndPassword.indexOf( ':' );
recordAuthenticationInfo( userAndPassword.substring( 0, colonPos ),
toArray( userAndPassword.substring( colonPos+1 ) ) );
}
}
static String[] toArray( String roleList ) {
StringTokenizer st = new StringTokenizer( roleList, "," );
String[] result = new String[ st.countTokens() ];
for (int i = 0; i < result.length; i++) {
result[i] = st.nextToken();
}
return result;
}
void recordAuthenticationInfo( String userName, String[] roles ) {
_userName = userName;
_roles = roles;
}
//--------------------------------------------- private members ----------------------------------------------
final static private String LOOPBACK_ADDRESS = "127.0.0.1";
private WebRequest _request;
private ServletMetaData _servletRequest;
private WebClient.HeaderDictionary _headers;
private ServletUnitContext _context;
private ServletUnitHttpSession _session;
private Hashtable _attributes = new Hashtable();
private Vector _cookies = new Vector();
private String _sessionID;
private byte[] _messageBody;
private String _userName;
private String[] _roles;
private void throwNotImplementedYet() {
throw new RuntimeException( "Not implemented yet" );
}
private void setCookiesFromHeader( Dictionary clientHeaders ) {
String cookieHeader = (String) clientHeaders.get( "Cookie" );
if (cookieHeader == null) return;
StringTokenizer st = new StringTokenizer( cookieHeader, ",;=", true );
String lastToken = st.nextToken();
while (st.hasMoreTokens()) {
String token = st.nextToken();
if (token.equals( "=" )) {
if (st.hasMoreTokens()) addCookie( new Cookie( lastToken.trim(), st.nextToken().trim() ) );
}
lastToken = token;
}
}
static class PrioritizedLocale implements Comparable {
private Locale _locale;
private float _priority;
PrioritizedLocale( String languageSpec ) {
int semiIndex = languageSpec.indexOf( ';' );
if (semiIndex < 0) {
_priority = 1;
_locale = parseLocale( languageSpec );
} else {
_priority = Float.parseFloat( languageSpec.substring( languageSpec.indexOf( '=', semiIndex )+1 ) );
_locale = parseLocale( languageSpec.substring( 0, semiIndex ) );
}
}
private Locale parseLocale( String range ) {
range = range.trim();
int dashIndex = range.indexOf( '-' );
if (dashIndex < 0) {
return new Locale( range, "" );
} else {
return new Locale( range.substring( 0, dashIndex ), range.substring( dashIndex+1 ) );
}
}
public Locale getLocale() {
return _locale;
}
public int compareTo( Object o ) {
if (!(o instanceof PrioritizedLocale)) throw new IllegalArgumentException( "may only combine with other prioritized locales" );
PrioritizedLocale other = (PrioritizedLocale) o;
return _priority == other._priority ? _locale.getLanguage().compareTo( other._locale.getLanguage() )
: (_priority < other._priority ? +1 : -1 );
}
}
}