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                         _requestUri = HttpUtility.UrlDecode(req.getRequestURI());
 101                         const int dotInvokeLength = 7; //".invoke".Length
 102                         if (_requestUri.Length > dotInvokeLength &&
 103                                 String.CompareOrdinal(".invoke", 0, _requestUri,
 104                                 _requestUri.Length - dotInvokeLength, dotInvokeLength) == 0) {
 105
 106                                 _requestUri = _requestUri.Substring(0, _requestUri.Length - dotInvokeLength);
 107
 108                                 int paramNameStart = _requestUri.LastIndexOf('/');
 109                                 _pathInfo = _requestUri.Substring(paramNameStart, _requestUri.Length - paramNameStart);
 110                         }
 111                 }
 112
 113                 public HttpServlet Servlet {
 114                         get {
 115                                 return _HttpServlet;
 116                         }
 117                 }
 118
 119                 public HttpServletRequest ServletRequest {
 120                         get{
 121                                 return _HttpServletRequest;
 122                         }
 123                 }
 124
 125                 public HttpServletResponse ServletResponse {
 126                         get{
 127                                 return _HttpServletResponse;
 128                         }
 129                 }
 130
 131                 [MonoTODO("Implement security")]
 132                 public override string MachineInstallDirectory {
 133                         get {
 134                                 return ICalls.GetMachineInstallDirectory ();
 135                         }
 136                 }
 137
 138                 public override string MachineConfigPath {
 139                         get { return ICalls.GetMachineConfigPath (); }
 140                 }
 141
 142                 public override void EndOfRequest () {
 143                         if (_endOfSendCallback != null)
 144                                 _endOfSendCallback(this, _endOfSendArgs);
 145                 }
 146
 147                 public override void FlushResponse (bool finalFlush) {
 148                         ServletOutputStream servletOutputStream = _HttpServletResponse.getOutputStream();
 149                         servletOutputStream.flush();
 150                         if (finalFlush)
 151                                 servletOutputStream.close();
 152                 }
 153
 154                 public override string GetAppPath () {
 155                         return _HttpServletRequest.getContextPath();
 156                 }
 157
 158                 public override string GetAppPathTranslated () {
 159                         return J2EEUtils.GetApplicationRealPath(_HttpServlet.getServletConfig());;
 160                 }
 161
 162                 public override string GetFilePath () {
 163                         string uri = GetUriPath();
 164                         string pathInfo = GetPathInfo();
 165                         if (pathInfo != null && pathInfo.Length > 0)
 166                                 uri = uri.Substring(0, uri.Length - pathInfo.Length);
 167
 168                         return uri;
 169                 }
 170
 171                 public override string GetFilePathTranslated () {
 172                         string page = GetFilePath ();
 173
 174                         if (Path.DirectorySeparatorChar != '/')
 175                                 page = page.Replace ('/', Path.DirectorySeparatorChar);
 176
 177                         if (page [0] == Path.DirectorySeparatorChar)
 178                                 page = page.Substring (1);
 179
 180                         return Path.Combine (GetAppPathTranslated (), page);
 181                 }
 182
 183                 public override string GetHttpVerbName () {
 184                         return _HttpServletRequest.getMethod();
 185                 }
 186
 187                 public override string GetHttpVersion () {
 188                         return _HttpServletRequest.getProtocol();
 189                 }
 190
 191                 public override string GetLocalAddress () {
 192                         return _HttpServletRequest.getLocalAddr();
 193                 }
 194
 195                 public override int GetLocalPort () {
 196                         return _HttpServletRequest.getLocalPort();
 197                 }
 198
 199                 public override string GetPathInfo () {
 200                         return _pathInfo != null ? _pathInfo : _HttpServletRequest.getPathInfo();
 201                 }
 202
 203                 public override string GetQueryString () {
 204                         return _HttpServletRequest.getQueryString();
 205                 }
 206
 207                 public override string GetRawUrl () {
 208                         if (_rawUrl == null) {
 209                                 StringBuilder builder = new StringBuilder();
 210                                 builder.Append(GetUriPath());
 211                                 string pathInfo = GetPathInfo();
 212                                 string query = GetQueryString();
 213                                 if (query != null && query.Length > 0) {
 214                                         builder.Append('?');
 215                                         builder.Append(query);
 216                                 }
 217
 218                                 _rawUrl = builder.ToString();
 219                         }
 220
 221                         return _rawUrl;
 222                 }
 223
 224                 public override string GetRemoteAddress() {
 225                         return _HttpServletRequest.getRemoteAddr();
 226                 }
 227
 228                 public override string GetRemoteName() {
 229                         return _HttpServletRequest.getRemoteHost();
 230                 }
 231
 232
 233                 public override int GetRemotePort() {
 234                         try {
 235                                 return _HttpServletRequest.getRemotePort();
 236                         }
 237                         catch(Exception e) { //should catch also java.lang.Throwable
 238                                 //if servlet API is 2.3 and below - there is no
 239                                 //method getRemotePort in ServletRequest interface...
 240                                 //should be described as limitation.
 241                                 return 0;
 242                         }
 243                 }
 244
 245                 public override string GetServerVariable(string name) {
 246                         // FIXME: We need to make a proper mapping between the standard server
 247                         // variables and java equivalent. probably we have to have a configuration file
 248                         // which associates between the two. Pay a special attention on GetUnknownRequestHeader/s
 249                         // while implementing. Ensure that system web "common" code correctly calls each method.
 250
 251                         string headerName = _srvVarsToHeaderMap[name];
 252
 253                         if (headerName != null)
 254                                 return _HttpServletRequest.getHeader( headerName );
 255
 256                         object knownVariable = KnownServerVariableMap[name];
 257                         if (knownVariable != null)
 258                                 return GetKnownServerVariable((KnownServerVariable)knownVariable);
 259
 260                         return _HttpServletRequest.getHeader( name );
 261                 }
 262
 263                 string GetKnownServerVariable(KnownServerVariable index) {
 264                         switch (index) {
 265                                 case KnownServerVariable.AUTH_TYPE : return _HttpServletRequest.getAuthType();
 266                                 case KnownServerVariable.CONTENT_LENGTH : return Convert.ToString(_HttpServletRequest.getContentLength());
 267                                 case KnownServerVariable.CONTENT_TYPE : return _HttpServletRequest.getContentType();
 268                                 case KnownServerVariable.QUERY_STRING : return GetQueryString();
 269                                 case KnownServerVariable.REMOTE_ADDR : return GetRemoteAddress();
 270                                 case KnownServerVariable.REMOTE_HOST : return GetRemoteName();
 271                                 case KnownServerVariable.REMOTE_USER : return _HttpServletRequest.getRemoteUser();
 272                                 case KnownServerVariable.REQUEST_METHOD : return GetHttpVerbName ();
 273                                 case KnownServerVariable.REQUEST_URI : return GetUriPath();
 274                                 case KnownServerVariable.SCRIPT_NAME : return GetFilePath ();
 275                                 case KnownServerVariable.SERVER_NAME : return GetServerName();
 276                                 case KnownServerVariable.SERVER_PORT : return Convert.ToString(_HttpServletRequest.getServerPort());
 277                                 case KnownServerVariable.SERVER_PROTOCOL : return GetHttpVersion ();
 278                                 case KnownServerVariable.SERVER_SOFTWARE : return Servlet.getServletContext().getServerInfo();
 279                                 case KnownServerVariable.PATH_INFO : return GetPathInfo();
 280                                 default: throw new IndexOutOfRangeException("index");
 281                         }
 282                 }
 283
 284                 public override string GetUriPath() {
 285                         return _requestUri;
 286                 }
 287
 288                 public override IntPtr GetUserToken() {
 289                         return IntPtr.Zero;
 290                 }
 291
 292                 public override string MapPath (string path) {
 293                         string appVirtualPath = GetAppPath();
 294                         if (path.StartsWith(appVirtualPath)) {
 295                                 path = path.Remove(0,appVirtualPath.Length);
 296                                 if (path.StartsWith("/"))
 297                                         path = path.Remove(0,1);
 298                         }
 299                         //string realPath = Servlet.getServletContext().getRealPath(path);
 300                         //                      if (Path.IsPathRooted(path))
 301                         //                              return path;
 302                         //                      if (!path.StartsWith(IAppDomainConfig.WAR_ROOT_SYMBOL)&&
 303                         //                              !path.StartsWith("/") && !path.StartsWith("\\")&& !Path.IsPathRooted(path))
 304                         //                              return IAppDomainConfig.WAR_ROOT_SYMBOL + "/" + path;
 305                         //                      else if (!path.StartsWith(IAppDomainConfig.WAR_ROOT_SYMBOL)&& !Path.IsPathRooted(path))
 306                         //                              return IAppDomainConfig.WAR_ROOT_SYMBOL + path;
 307                         //                      else
 308                         //                              return path;
 309
 310                         if (path.StartsWith(IAppDomainConfig.WAR_ROOT_SYMBOL)) {
 311                                 return path;
 312                         }
 313
 314                         string retVal =  IAppDomainConfig.WAR_ROOT_SYMBOL;
 315
 316                         if (!path.StartsWith("/") && !path.StartsWith("\\"))
 317                                 retVal += "/";
 318
 319                         retVal += path;
 320
 321                         return retVal;
 322                 }
 323
 324                 public override void SendResponseFromFile (IntPtr handle, long offset, long length) {
 325                         throw new NotSupportedException();
 326                 }
 327
 328                 public override void SendResponseFromFile (string filename, long offset, long length) {
 329                         using (FileStream fs = File.OpenRead (filename)) {
 330                                 byte [] buffer = new byte [4 * 1024];
 331
 332                                 if (offset != 0)
 333                                         fs.Position = offset;
 334
 335                                 long remain = length;
 336                                 int n;
 337                                 while (remain > 0 && (n = fs.Read (buffer, 0, (int) Math.Min (remain, buffer.Length))) != 0){
 338                                         remain -= n;
 339                                         SendResponseFromMemory(buffer, n);
 340                                 }
 341                         }
 342                 }
 343
 344                 public override void SendResponseFromMemory (byte [] data, int length) {
 345                         sbyte [] sdata = vmw.common.TypeUtils.ToSByteArray(data);
 346                         _HttpServletResponse.getOutputStream().write(sdata, 0 , length);
 347                 }
 348
 349                 public override void SendStatus(int statusCode, string statusDescription) {
 350                         // setStatus(int, string) is deprecated
 351                         _HttpServletResponse.setStatus(statusCode/*, statusDescription*/);
 352                 }
 353
 354                 public override void SendUnknownResponseHeader(string name, string value) {
 355                         if (HeadersSent ())
 356                                 return;
 357
 358                         _HttpServletResponse.addHeader(name, value);
 359                 }
 360
 361                 public override bool HeadersSent () {
 362                         return _HttpServletResponse.isCommitted();
 363                 }
 364
 365                 public override void SendCalculatedContentLength (int contentLength) {
 366                         _HttpServletResponse.setContentLength(contentLength);
 367                 }
 368
 369                 public override void SendKnownResponseHeader (int index, string value) {
 370                         SendUnknownResponseHeader (GetKnownResponseHeaderName (index), value);
 371                 }
 372
 373                 public override string GetKnownRequestHeader (int index) {
 374                         return GetUnknownRequestHeader(GetKnownRequestHeaderName (index));
 375                 }
 376
 377                 public override string GetUnknownRequestHeader (string name) {
 378                         return _HttpServletRequest.getHeader(name);
 379                 }
 380
 381                 public override string [][] GetUnknownRequestHeaders () {
 382                         if (unknownHeaders == null) {
 383                                 ArrayList pairs = new ArrayList ();
 384                                 for (java.util.Enumeration he = _HttpServletRequest.getHeaderNames(); he.hasMoreElements() ;) {
 385                                         string key = (string) he.nextElement();
 386                                         int index = HttpWorkerRequest.GetKnownRequestHeaderIndex (key);
 387                                         if (index != -1)
 388                                                 continue;
 389                                         pairs.Add (new string [] {key, _HttpServletRequest.getHeader(key)});
 390                                 }
 391
 392                                 if (pairs.Count != 0) {
 393                                         unknownHeaders = new string [pairs.Count][];
 394                                         for (int i = 0; i < pairs.Count; i++)
 395                                                 unknownHeaders [i] = (string []) pairs [i];
 396                                 }
 397                         }
 398                         if (unknownHeaders == null) unknownHeaders = new string [0][];
 399
 400                         return unknownHeaders;
 401                 }
 402
 403                 public override int ReadEntityBody (byte [] buffer, int size) {
 404                         if (buffer == null || size == 0)
 405                                 return 0;
 406                         sbyte [] sbuffer = vmw.common.TypeUtils.ToSByteArray(buffer);
 407                         int r = _HttpServletRequest.getInputStream().read(sbuffer, 0, size);
 408                         return (r==-1)?0:r;
 409                 }
 410
 411                 public override void SetEndOfSendNotification(System.Web.HttpWorkerRequest.EndOfSendNotification callback, object extraData) {
 412                         _endOfSendCallback = callback;
 413                         _endOfSendArgs = extraData;
 414                 }
 415
 416                 public override string GetProtocol() {
 417                         return _HttpServletRequest.getScheme();
 418                 }
 419
 420                 public override string GetServerName() {
 421                         return _HttpServletRequest.getServerName();
 422                 }
 423
 424                 public override bool IsSecure() {
 425                         return _HttpServletRequest.isSecure();
 426                 }
 427         }
 428 }
 429