mcs/class/System.Web/System.Web.Hosting/ServletWorkerRequest.jvm.cs

   1 //
   2 // (C) 2005 Mainsoft Corporation (http://www.mainsoft.com)
   3 //
   4
   5 //
   6 // Permission is hereby granted, free of charge, to any person obtaining
   7 // a copy of this software and associated documentation files (the
   8 // "Software"), to deal in the Software without restriction, including
   9 // without limitation the rights to use, copy, modify, merge, publish,
  10 // distribute, sublicense, and/or sell copies of the Software, and to
  11 // permit persons to whom the Software is furnished to do so, subject to
  12 // the following conditions:
  13 //
  14 // The above copyright notice and this permission notice shall be
  15 // included in all copies or substantial portions of the Software.
  16 //
  17 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  20 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  21 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24 //
  25 using System;
  26 using System.IO;
  27 using System.Text;
  28 using System.Runtime.InteropServices;
  29 using System.Web.Util;
  30 using vmw.common;
  31 using System.Web.J2EE;
  32 using System.Collections;
  33 using System.Web;
  34 using javax.servlet;
  35 using javax.servlet.http;
  36 using System.Collections.Specialized;
  37 using System.Globalization;
  38
  39 namespace System.Web.Hosting {
  40         [MonoTODO("Implement security demands on the path usage functions (and review)")]
  41         [ComVisible (false)]
  42         internal sealed class ServletWorkerRequest : HttpWorkerRequest {
  43                 readonly HttpServlet _HttpServlet;
  44                 readonly HttpServletRequest _HttpServletRequest;
  45                 readonly HttpServletResponse _HttpServletResponse;
  46
  47                 readonly string _requestUri;
  48                 readonly string _pathInfo;
  49
  50                 static readonly StringDictionary _srvVarsToHeaderMap;
  51
  52                 private string [][] unknownHeaders;
  53                 string _rawUrl;
  54
  55                 private HttpWorkerRequest.EndOfSendNotification _endOfSendCallback;
  56                 private object _endOfSendArgs;
  57
  58                 enum KnownServerVariable {
  59                         AUTH_TYPE,
  60                         CONTENT_LENGTH,
  61                         CONTENT_TYPE,
  62                         QUERY_STRING,
  63                         REMOTE_ADDR,
  64                         REMOTE_HOST,
  65                         REMOTE_USER,
  66                         REQUEST_METHOD,
  67                         REQUEST_URI,
  68                         SCRIPT_NAME,
  69                         SERVER_NAME,
  70                         SERVER_PORT,
  71                         SERVER_PROTOCOL,
  72                         SERVER_SOFTWARE,
  73                         PATH_INFO
  74                 };
  75
  76                 static readonly Hashtable KnownServerVariableMap;
  77
  78                 static ServletWorkerRequest() {
  79                         _srvVarsToHeaderMap = new StringDictionary();
  80                         _srvVarsToHeaderMap.Add("HTTP_ACCEPT", "Accept");
  81                         _srvVarsToHeaderMap.Add("HTTP_REFERER", "Referer");
  82                         _srvVarsToHeaderMap.Add("HTTP_ACCEPT_LANGUAGE", "Accept-Language");
  83                         _srvVarsToHeaderMap.Add("HTTP_ACCEPT_ENCODING", "Accept-Encoding");
  84                         _srvVarsToHeaderMap.Add("HTTP_CONNECTION", "Connection");
  85                         _srvVarsToHeaderMap.Add("HTTP_HOST", "Host");
  86                         _srvVarsToHeaderMap.Add("HTTP_USER_AGENT", "User-Agent");
  87                         _srvVarsToHeaderMap.Add("HTTP_SOAPACTION", "SOAPAction");
  88
  89                         string[] knownServerVariableNames = Enum.GetNames(typeof(KnownServerVariable));
  90                         KnownServerVariableMap = CollectionsUtil.CreateCaseInsensitiveHashtable(knownServerVariableNames.Length);
  91                         for (int i = 0; i < knownServerVariableNames.Length; i++)
  92                                 KnownServerVariableMap[knownServerVariableNames[i]] = (KnownServerVariable)i;
  93                 }
  94
  95                 public ServletWorkerRequest (HttpServlet servlet, HttpServletRequest req, HttpServletResponse resp) {
  96                         _HttpServlet = servlet;
  97                         _HttpServletRequest = req;
  98                         _HttpServletResponse = resp;
  99
 100                         string contextPath = req.getContextPath();
 101                         string requestURI = req.getRequestURI();
 102                         if (String.CompareOrdinal(requestURI, contextPath) == 0 ||
 103                                 (((requestURI.Length - contextPath.Length) == 1) &&
 104                                         requestURI[contextPath.Length] == '/' &&
 105                                         String.CompareOrdinal(requestURI, 0, contextPath, 0, contextPath.Length) == 0 ))
 106                                 requestURI = contextPath + req.getServletPath();
 107
 108                         _requestUri = HttpUtility.UrlDecode(requestURI);
 109                         const int dotInvokeLength = 7; //".invoke".Length
 110                         if (_requestUri.Length > dotInvokeLength &&
 111                                 String.CompareOrdinal(".invoke", 0, _requestUri,
 112                                 _requestUri.Length - dotInvokeLength, dotInvokeLength) == 0) {
 113
 114                                 _requestUri = _requestUri.Substring(0, _requestUri.Length - dotInvokeLength);
 115
 116                                 int paramNameStart = _requestUri.LastIndexOf('/');
 117                                 _pathInfo = _requestUri.Substring(paramNameStart, _requestUri.Length - paramNameStart);
 118                         }
 119                 }
 120
 121                 public HttpServlet Servlet {
 122                         get {
 123                                 return _HttpServlet;
 124                         }
 125                 }
 126
 127                 public HttpServletRequest ServletRequest {
 128                         get{
 129                                 return _HttpServletRequest;
 130                         }
 131                 }
 132
 133                 public HttpServletResponse ServletResponse {
 134                         get{
 135                                 return _HttpServletResponse;
 136                         }
 137                 }
 138
 139                 [MonoTODO("Implement security")]
 140                 public override string MachineInstallDirectory {
 141                         get {
 142                                 return ICalls.GetMachineInstallDirectory ();
 143                         }
 144                 }
 145
 146                 public override string MachineConfigPath {
 147                         get { return ICalls.GetMachineConfigPath (); }
 148                 }
 149
 150                 public override void EndOfRequest () {
 151                         if (_endOfSendCallback != null)
 152                                 _endOfSendCallback(this, _endOfSendArgs);
 153                 }
 154
 155                 public override void FlushResponse (bool finalFlush) {
 156                         ServletOutputStream servletOutputStream = _HttpServletResponse.getOutputStream();
 157                         servletOutputStream.flush();
 158                         if (finalFlush)
 159                                 servletOutputStream.close();
 160                 }
 161
 162                 public override string GetAppPath () {
 163                         return _HttpServletRequest.getContextPath();
 164                 }
 165                 public override string GetAppPathTranslated () {
 166                         return J2EEUtils.GetApplicationRealPath(_HttpServlet.getServletConfig());;
 167                 }
 168
 169                 public override string GetFilePath () {
 170                         string uri = GetUriPath();
 171                         string pathInfo = GetPathInfo();
 172                         if (pathInfo != null && pathInfo.Length > 0)
 173                                 uri = uri.Substring(0, uri.Length - pathInfo.Length);
 174
 175                         return uri;
 176                 }
 177
 178                 public override string GetFilePathTranslated () {
 179                         string page = GetFilePath ();
 180
 181                         if (Path.DirectorySeparatorChar != '/')
 182                                 page = page.Replace ('/', Path.DirectorySeparatorChar);
 183
 184                         if (page [0] == Path.DirectorySeparatorChar)
 185                                 page = page.Substring (1);
 186
 187                         return Path.Combine (GetAppPathTranslated (), page);
 188                 }
 189
 190                 public override string GetHttpVerbName () {
 191                         return _HttpServletRequest.getMethod();
 192                 }
 193
 194                 public override string GetHttpVersion () {
 195                         return _HttpServletRequest.getProtocol();
 196                 }
 197
 198                 public override string GetLocalAddress () {
 199                         return _HttpServletRequest.getLocalAddr();
 200                 }
 201
 202                 public override int GetLocalPort () {
 203                         return _HttpServletRequest.getLocalPort();
 204                 }
 205
 206                 public override string GetPathInfo () {
 207                         return _pathInfo != null ? _pathInfo : _HttpServletRequest.getPathInfo();
 208                 }
 209
 210                 public override string GetQueryString () {
 211                         return _HttpServletRequest.getQueryString();
 212                 }
 213
 214                 public override string GetRawUrl () {
 215                         if (_rawUrl == null) {
 216                                 StringBuilder builder = new StringBuilder();
 217                                 builder.Append(GetUriPath());
 218                                 string pathInfo = GetPathInfo();
 219                                 string query = GetQueryString();
 220                                 if (query != null && query.Length > 0) {
 221                                         builder.Append('?');
 222                                         builder.Append(query);
 223                                 }
 224
 225                                 _rawUrl = builder.ToString();
 226                         }
 227
 228                         return _rawUrl;
 229                 }
 230
 231                 public override string GetRemoteAddress() {
 232                         return _HttpServletRequest.getRemoteAddr();
 233                 }
 234
 235                 public override string GetRemoteName() {
 236                         return _HttpServletRequest.getRemoteHost();
 237                 }
 238
 239
 240                 public override int GetRemotePort() {
 241                         try {
 242                                 return _HttpServletRequest.getRemotePort();
 243                         }
 244                         catch(Exception e) { //should catch also java.lang.Throwable
 245                                 //if servlet API is 2.3 and below - there is no
 246                                 //method getRemotePort in ServletRequest interface...
 247                                 //should be described as limitation.
 248                                 return 0;
 249                         }
 250                 }
 251
 252                 public override string GetServerVariable(string name) {
 253                         // FIXME: We need to make a proper mapping between the standard server
 254                         // variables and java equivalent. probably we have to have a configuration file
 255                         // which associates between the two. Pay a special attention on GetUnknownRequestHeader/s
 256                         // while implementing. Ensure that system web "common" code correctly calls each method.
 257
 258                         string headerName = _srvVarsToHeaderMap[name];
 259
 260                         if (headerName != null)
 261                                 return _HttpServletRequest.getHeader( headerName );
 262
 263                         object knownVariable = KnownServerVariableMap[name];
 264                         if (knownVariable != null)
 265                                 return GetKnownServerVariable((KnownServerVariable)knownVariable);
 266
 267                         return _HttpServletRequest.getHeader( name );
 268                 }
 269
 270                 string GetKnownServerVariable(KnownServerVariable index) {
 271                         switch (index) {
 272                                 case KnownServerVariable.AUTH_TYPE : return _HttpServletRequest.getAuthType();
 273                                 case KnownServerVariable.CONTENT_LENGTH : return Convert.ToString(_HttpServletRequest.getContentLength());
 274                                 case KnownServerVariable.CONTENT_TYPE : return _HttpServletRequest.getContentType();
 275                                 case KnownServerVariable.QUERY_STRING : return GetQueryString();
 276                                 case KnownServerVariable.REMOTE_ADDR : return GetRemoteAddress();
 277                                 case KnownServerVariable.REMOTE_HOST : return GetRemoteName();
 278                                 case KnownServerVariable.REMOTE_USER : return _HttpServletRequest.getRemoteUser();
 279                                 case KnownServerVariable.REQUEST_METHOD : return GetHttpVerbName ();
 280                                 case KnownServerVariable.REQUEST_URI : return GetUriPath();
 281                                 case KnownServerVariable.SCRIPT_NAME : return GetFilePath ();
 282                                 case KnownServerVariable.SERVER_NAME : return GetServerName();
 283                                 case KnownServerVariable.SERVER_PORT : return Convert.ToString(_HttpServletRequest.getServerPort());
 284                                 case KnownServerVariable.SERVER_PROTOCOL : return GetHttpVersion ();
 285                                 case KnownServerVariable.SERVER_SOFTWARE : return Servlet.getServletContext().getServerInfo();
 286                                 case KnownServerVariable.PATH_INFO : return GetPathInfo();
 287                                 default: throw new IndexOutOfRangeException("index");
 288                         }
 289                 }
 290
 291                 public override string GetUriPath() {
 292                         return _requestUri;
 293                 }
 294
 295                 public override IntPtr GetUserToken() {
 296                         return IntPtr.Zero;
 297                 }
 298
 299                 public override string MapPath (string path) {
 300                         string appVirtualPath = GetAppPath();
 301                         if (path.StartsWith(appVirtualPath)) {
 302                                 path = path.Remove(0,appVirtualPath.Length);
 303                                 if (path.StartsWith("/"))
 304                                         path = path.Remove(0,1);
 305                         }
 306                         //string realPath = Servlet.getServletContext().getRealPath(path);
 307                         //                      if (Path.IsPathRooted(path))
 308                         //                              return path;
 309                         //                      if (!path.StartsWith(IAppDomainConfig.WAR_ROOT_SYMBOL)&&
 310                         //                              !path.StartsWith("/") && !path.StartsWith("\\")&& !Path.IsPathRooted(path))
 311                         //                              return IAppDomainConfig.WAR_ROOT_SYMBOL + "/" + path;
 312                         //                      else if (!path.StartsWith(IAppDomainConfig.WAR_ROOT_SYMBOL)&& !Path.IsPathRooted(path))
 313                         //                              return IAppDomainConfig.WAR_ROOT_SYMBOL + path;
 314                         //                      else
 315                         //                              return path;
 316
 317                         if (path.StartsWith(IAppDomainConfig.WAR_ROOT_SYMBOL)) {
 318                                 return path;
 319                         }
 320
 321                         string retVal =  IAppDomainConfig.WAR_ROOT_SYMBOL;
 322
 323                         if (!path.StartsWith("/") && !path.StartsWith("\\"))
 324                                 retVal += "/";
 325
 326                         retVal += path;
 327
 328                         return retVal;
 329                 }
 330
 331                 public override void SendResponseFromFile (IntPtr handle, long offset, long length) {
 332                         throw new NotSupportedException();
 333                 }
 334
 335                 public override void SendResponseFromFile (string filename, long offset, long length) {
 336                         using (FileStream fs = File.OpenRead (filename)) {
 337                                 byte [] buffer = new byte [4 * 1024];
 338
 339                                 if (offset != 0)
 340                                         fs.Position = offset;
 341
 342                                 long remain = length;
 343                                 int n;
 344                                 while (remain > 0 && (n = fs.Read (buffer, 0, (int) Math.Min (remain, buffer.Length))) != 0){
 345                                         remain -= n;
 346                                         SendResponseFromMemory(buffer, n);
 347                                 }
 348                         }
 349                 }
 350
 351                 public override void SendResponseFromMemory (byte [] data, int length) {
 352                         sbyte [] sdata = vmw.common.TypeUtils.ToSByteArray(data);
 353                         _HttpServletResponse.getOutputStream().write(sdata, 0 , length);
 354                 }
 355
 356                 public override void SendStatus(int statusCode, string statusDescription) {
 357                         // setStatus(int, string) is deprecated
 358                         _HttpServletResponse.setStatus(statusCode/*, statusDescription*/);
 359                 }
 360
 361                 public override void SendUnknownResponseHeader(string name, string value) {
 362                         if (HeadersSent ())
 363                                 return;
 364
 365                         _HttpServletResponse.addHeader(name, value);
 366                 }
 367
 368                 public override bool HeadersSent () {
 369                         return _HttpServletResponse.isCommitted();
 370                 }
 371
 372                 public override void SendCalculatedContentLength (int contentLength) {
 373                         _HttpServletResponse.setContentLength(contentLength);
 374                 }
 375
 376                 public override void SendKnownResponseHeader (int index, string value) {
 377                         SendUnknownResponseHeader (GetKnownResponseHeaderName (index), value);
 378                 }
 379
 380                 public override string GetKnownRequestHeader (int index) {
 381                         return GetUnknownRequestHeader(GetKnownRequestHeaderName (index));
 382                 }
 383
 384                 public override string GetUnknownRequestHeader (string name) {
 385                         return _HttpServletRequest.getHeader(name);
 386                 }
 387
 388                 public override string [][] GetUnknownRequestHeaders () {
 389                         if (unknownHeaders == null) {
 390                                 ArrayList pairs = new ArrayList ();
 391                                 for (java.util.Enumeration he = _HttpServletRequest.getHeaderNames(); he.hasMoreElements() ;) {
 392                                         string key = (string) he.nextElement();
 393                                         int index = HttpWorkerRequest.GetKnownRequestHeaderIndex (key);
 394                                         if (index != -1)
 395                                                 continue;
 396                                         pairs.Add (new string [] {key, _HttpServletRequest.getHeader(key)});
 397                                 }
 398
 399                                 if (pairs.Count != 0) {
 400                                         unknownHeaders = new string [pairs.Count][];
 401                                         for (int i = 0; i < pairs.Count; i++)
 402                                                 unknownHeaders [i] = (string []) pairs [i];
 403                                 }
 404                         }
 405                         if (unknownHeaders == null) unknownHeaders = new string [0][];
 406
 407                         return unknownHeaders;
 408                 }
 409
 410                 public override int ReadEntityBody (byte [] buffer, int size) {
 411                         if (buffer == null || size == 0)
 412                                 return 0;
 413                         sbyte [] sbuffer = vmw.common.TypeUtils.ToSByteArray(buffer);
 414                         int r = _HttpServletRequest.getInputStream().read(sbuffer, 0, size);
 415                         return (r==-1)?0:r;
 416                 }
 417
 418                 public override void SetEndOfSendNotification(System.Web.HttpWorkerRequest.EndOfSendNotification callback, object extraData) {
 419                         _endOfSendCallback = callback;
 420                         _endOfSendArgs = extraData;
 421                 }
 422
 423                 public override string GetProtocol() {
 424                         return _HttpServletRequest.getScheme();
 425                 }
 426
 427                 public override string GetServerName() {
 428                         return _HttpServletRequest.getServerName();
 429                 }
 430
 431                 public override bool IsSecure() {
 432                         return _HttpServletRequest.isSecure();
 433                 }
 434         }
 435 }
 436