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 string[] KnownServerVariableNames = Enum.GetNames(typeof(KnownServerVariable));
  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
  90                 public ServletWorkerRequest (HttpServlet servlet, HttpServletRequest req, HttpServletResponse resp) {
  91                         _HttpServlet = servlet;
  92                         _HttpServletRequest = req;
  93                         _HttpServletResponse = resp;
  94
  95                         string requestUri = req.getRequestURI();
  96                         const int dotInvokeLength = 7; //".invoke".Length
  97                         if (requestUri.Length > dotInvokeLength &&
  98                                 String.CompareOrdinal(".invoke", 0, requestUri,
  99                                 requestUri.Length - dotInvokeLength, dotInvokeLength) == 0) {
 100
 101                                 _requestUri = requestUri.Substring(0, requestUri.Length - dotInvokeLength);
 102
 103                                 int paramNameStart = requestUri.LastIndexOf('/');
 104                                 _pathInfo = requestUri.Substring(paramNameStart,
 105                                         requestUri.Length - paramNameStart - dotInvokeLength);
 106                         }
 107                 }
 108
 109                 public HttpServlet Servlet {
 110                         get {
 111                                 return _HttpServlet;
 112                         }
 113                 }
 114
 115                 public HttpServletRequest ServletRequest {
 116                         get{
 117                                 return _HttpServletRequest;
 118                         }
 119                 }
 120
 121                 public HttpServletResponse ServletResponse {
 122                         get{
 123                                 return _HttpServletResponse;
 124                         }
 125                 }
 126
 127                 [MonoTODO("Implement security")]
 128                 public override string MachineInstallDirectory {
 129                         get {
 130                                 return ICalls.GetMachineInstallDirectory ();
 131                         }
 132                 }
 133
 134                 public override string MachineConfigPath {
 135                         get { return ICalls.GetMachineConfigPath (); }
 136                 }
 137
 138                 public override void EndOfRequest () {
 139                         if (_endOfSendCallback != null)
 140                                 _endOfSendCallback(this, _endOfSendArgs);
 141                 }
 142
 143                 public override void FlushResponse (bool finalFlush) {
 144                         ServletOutputStream servletOutputStream = _HttpServletResponse.getOutputStream();
 145                         servletOutputStream.flush();
 146                         if (finalFlush)
 147                                 servletOutputStream.close();
 148                 }
 149
 150                 public override string GetAppPath () {
 151                         return _HttpServletRequest.getContextPath();
 152                 }
 153
 154                 public override string GetAppPathTranslated () {
 155                         return J2EEUtils.GetApplicationRealPath(_HttpServlet.getServletConfig());;
 156                 }
 157
 158                 public override string GetFilePath () {
 159                         string uri = GetUriPath();
 160                         string pathInfo = GetPathInfo();
 161                         if (pathInfo != null && pathInfo.Length > 0)
 162                                 uri = uri.Substring(0, uri.Length - pathInfo.Length);
 163
 164                         return uri;
 165                 }
 166
 167                 public override string GetFilePathTranslated () {
 168                         string page = GetFilePath ();
 169
 170                         if (Path.DirectorySeparatorChar != '/')
 171                                 page = page.Replace ('/', Path.DirectorySeparatorChar);
 172
 173                         if (page [0] == Path.DirectorySeparatorChar)
 174                                 page = page.Substring (1);
 175
 176                         return Path.Combine (GetAppPathTranslated (), page);
 177                 }
 178
 179                 public override string GetHttpVerbName () {
 180                         return _HttpServletRequest.getMethod();
 181                 }
 182
 183                 public override string GetHttpVersion () {
 184                         return _HttpServletRequest.getProtocol();
 185                 }
 186
 187                 public override string GetLocalAddress () {
 188                         return _HttpServletRequest.getLocalAddr();
 189                 }
 190
 191                 public override int GetLocalPort () {
 192                         return _HttpServletRequest.getLocalPort();
 193                 }
 194
 195                 public override string GetPathInfo () {
 196                         return _pathInfo != null ? _pathInfo : _HttpServletRequest.getPathInfo();
 197                 }
 198
 199                 public override string GetQueryString () {
 200                         return _HttpServletRequest.getQueryString();
 201                 }
 202
 203                 public override string GetRawUrl () {
 204                         if (_rawUrl == null) {
 205                                 StringBuilder builder = new StringBuilder();
 206                                 builder.Append(GetProtocol());
 207                                 builder.Append("://");
 208                                 builder.Append(GetServerName());
 209                                 int port = _HttpServletRequest.getServerPort();
 210                                 if (port != 80) {
 211                                         builder.Append(':');
 212                                         builder.Append(port);
 213                                 }
 214                                 builder.Append(GetUriPath());
 215                                 string pathInfo = GetPathInfo();
 216                                 if (pathInfo != null)
 217                                         builder.Append(pathInfo);
 218                                 string query = GetQueryString();
 219                                 if (query != null && query.Length > 0) {
 220                                         builder.Append('?');
 221                                         builder.Append(query);
 222                                 }
 223
 224                                 _rawUrl = builder.ToString();
 225                         }
 226
 227                         return _rawUrl;
 228                 }
 229
 230                 public override string GetRemoteAddress() {
 231                         return _HttpServletRequest.getRemoteAddr();
 232                 }
 233
 234                 public override string GetRemoteName() {
 235                         return _HttpServletRequest.getRemoteHost();
 236                 }
 237
 238
 239                 public override int GetRemotePort() {
 240                         try {
 241                                 return _HttpServletRequest.getRemotePort();
 242                         }
 243                         catch(Exception e) { //should catch also java.lang.Throwable
 244                                 //if servlet API is 2.3 and below - there is no
 245                                 //method getRemotePort in ServletRequest interface...
 246                                 //should be described as limitation.
 247                                 return 0;
 248                         }
 249                 }
 250
 251                 public override string GetServerVariable(string name) {
 252                         // FIXME: We need to make a proper mapping between the standard server
 253                         // variables and java equivalent. probably we have to have a configuration file
 254                         // which associates between the two. Pay a special attention on GetUnknownRequestHeader/s
 255                         // while implementing. Ensure that system web "common" code correctly calls each method.
 256
 257                         string headerName = _srvVarsToHeaderMap[name];
 258
 259                         if (headerName != null)
 260                                 return _HttpServletRequest.getHeader( headerName );
 261
 262                         for (int i = 0, max = KnownServerVariableNames.Length; i < max; i++)
 263                                 if (string.Compare(name, KnownServerVariableNames[i],
 264                                         true, CultureInfo.InvariantCulture) == 0)
 265                                         return GetKnownServerVariable((KnownServerVariable)i);
 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 != null ? _requestUri : _HttpServletRequest.getRequestURI();
 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