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00036 module mango.http.server.HttpResponse;
00037
00038 private import mango.io.Buffer,
00039 mango.io.Writer;
00040
00041 private import mango.io.model.IWriter;
00042
00043 private import mango.http.HttpWriter;
00044
00045 private import mango.http.server.HttpParams,
00046 mango.http.server.HttpCookies,
00047 mango.http.server.HttpHeaders,
00048 mango.http.server.HttpMessage;
00049
00050 private import mango.http.server.model.IProviderBridge;
00051
00052
00053
00054
00055
00056
00057
00058
00059
00060 private static const int ParamsBufferSize = 1 * 1024;
00061 private static const int HeaderBufferSize = 4 * 1024;
00062
00063
00064
00065
00066
00067
00068
00069
00070 struct HttpStatus
00071 {
00072 int code;
00073 char[] name;
00074 }
00075
00076
00077
00078
00079
00080
00081
00082 enum HttpResponseCode
00083 {
00084 Continue = 100,
00085 SwitchingProtocols = 101,
00086 OK = 200,
00087 Created = 201,
00088 Accepted = 202,
00089 NonAuthoritativeInformation = 203,
00090 NoContent = 204,
00091 ResetContent = 205,
00092 PartialContent = 206,
00093 MultipleChoices = 300,
00094 MovedPermanently = 301,
00095 MovedTemporarily = 302,
00096 SeeOther = 303,
00097 NotModified = 304,
00098 UseProxy = 305,
00099 BadRequest = 400,
00100 Unauthorized = 401,
00101 PaymentRequired = 402,
00102 Forbidden = 403,
00103 NotFound = 404,
00104 MethodNotAllowed = 405,
00105 NotAcceptable = 406,
00106 ProxyAuthenticationRequired = 407,
00107 RequestTimeout = 408,
00108 Conflict = 409,
00109 Gone = 410,
00110 LengthRequired = 411,
00111 PreconditionFailed = 412,
00112 RequestEntityTooLarge = 413,
00113 RequestURITooLarge = 414,
00114 UnsupportedMediaType = 415,
00115 RequestedRangeNotSatisfiable = 416,
00116 ExpectationFailed = 417,
00117 InternalServerError = 500,
00118 NotImplemented = 501,
00119 BadGateway = 502,
00120 ServiceUnavailable = 503,
00121 GatewayTimeout = 504,
00122 VersionNotSupported = 505,
00123 };
00124
00125
00126
00127
00128
00129
00130
00131 struct HttpResponses
00132 {
00133 static final HttpStatus Continue = {HttpResponseCode.Continue, "Continue"};
00134 static final HttpStatus SwitchingProtocols = {HttpResponseCode.SwitchingProtocols, "SwitchingProtocols"};
00135 static final HttpStatus OK = {HttpResponseCode.OK, "OK"};
00136 static final HttpStatus Created = {HttpResponseCode.Created, "Created"};
00137 static final HttpStatus Accepted = {HttpResponseCode.Accepted, "Accepted"};
00138 static final HttpStatus NonAuthoritativeInformation = {HttpResponseCode.NonAuthoritativeInformation, "NonAuthoritativeInformation"};
00139 static final HttpStatus NoContent = {HttpResponseCode.NoContent, "NoContent"};
00140 static final HttpStatus ResetContent = {HttpResponseCode.ResetContent, "ResetContent"};
00141 static final HttpStatus PartialContent = {HttpResponseCode.PartialContent, "PartialContent"};
00142 static final HttpStatus MultipleChoices = {HttpResponseCode.MultipleChoices, "MultipleChoices"};
00143 static final HttpStatus MovedPermanently = {HttpResponseCode.MovedPermanently, "MovedPermanently"};
00144 static final HttpStatus MovedTemporarily = {HttpResponseCode.MovedTemporarily, "MovedTemporarily"};
00145 static final HttpStatus SeeOther = {HttpResponseCode.SeeOther, "SeeOther"};
00146 static final HttpStatus NotModified = {HttpResponseCode.NotModified, "NotModified"};
00147 static final HttpStatus UseProxy = {HttpResponseCode.UseProxy, "UseProxy"};
00148 static final HttpStatus BadRequest = {HttpResponseCode.BadRequest, "BadRequest"};
00149 static final HttpStatus Unauthorized = {HttpResponseCode.Unauthorized, "Unauthorized"};
00150 static final HttpStatus PaymentRequired = {HttpResponseCode.PaymentRequired, "PaymentRequired"};
00151 static final HttpStatus Forbidden = {HttpResponseCode.Forbidden, "Forbidden"};
00152 static final HttpStatus NotFound = {HttpResponseCode.NotFound, "NotFound"};
00153 static final HttpStatus MethodNotAllowed = {HttpResponseCode.MethodNotAllowed, "MethodNotAllowed"};
00154 static final HttpStatus NotAcceptable = {HttpResponseCode.NotAcceptable, "NotAcceptable"};
00155 static final HttpStatus ProxyAuthenticationRequired = {HttpResponseCode.ProxyAuthenticationRequired, "ProxyAuthenticationRequired"};
00156 static final HttpStatus RequestTimeout = {HttpResponseCode.RequestTimeout, "RequestTimeout"};
00157 static final HttpStatus Conflict = {HttpResponseCode.Conflict, "Conflict"};
00158 static final HttpStatus Gone = {HttpResponseCode.Gone, "Gone"};
00159 static final HttpStatus LengthRequired = {HttpResponseCode.LengthRequired, "LengthRequired"};
00160 static final HttpStatus PreconditionFailed = {HttpResponseCode.PreconditionFailed, "PreconditionFailed"};
00161 static final HttpStatus RequestEntityTooLarge = {HttpResponseCode.RequestEntityTooLarge, "RequestEntityTooLarge"};
00162 static final HttpStatus RequestURITooLarge = {HttpResponseCode.RequestURITooLarge, "RequestURITooLarge"};
00163 static final HttpStatus UnsupportedMediaType = {HttpResponseCode.UnsupportedMediaType, "UnsupportedMediaType"};
00164 static final HttpStatus RequestedRangeNotSatisfiable = {HttpResponseCode.RequestedRangeNotSatisfiable, "RequestedRangeNotSatisfiable"};
00165 static final HttpStatus ExpectationFailed = {HttpResponseCode.ExpectationFailed, "ExpectationFailed"};
00166 static final HttpStatus InternalServerError = {HttpResponseCode.InternalServerError, "InternalServerError"};
00167 static final HttpStatus NotImplemented = {HttpResponseCode.NotImplemented, "NotImplemented"};
00168 static final HttpStatus BadGateway = {HttpResponseCode.BadGateway, "BadGateway"};
00169 static final HttpStatus ServiceUnavailable = {HttpResponseCode.ServiceUnavailable, "ServiceUnavailable"};
00170 static final HttpStatus GatewayTimeout = {HttpResponseCode.GatewayTimeout, "GatewayTimeout"};
00171 static final HttpStatus VersionNotSupported = {HttpResponseCode.VersionNotSupported, "VersionNotSupported"};
00172 }
00173
00174
00175
00176
00177
00178
00179
00180
00181
00182 class HttpResponse : HttpMessage
00183 {
00184 private HttpMutableParams params;
00185 private HttpMutableCookies cookies;
00186 private HttpStatus status;
00187 private HttpWriter writer;
00188 private bool commited;
00189
00190 static private InvalidStateException InvalidState;
00191
00192
00193
00194
00195
00196
00197
00198 static this()
00199 {
00200 InvalidState = new InvalidStateException("Invalid response state");
00201 }
00202
00203
00204
00205
00206
00207
00208
00209
00210
00211
00212 this (IProviderBridge bridge)
00213 {
00214
00215 super (bridge, new Buffer(HeaderBufferSize));
00216
00217
00218 writer = new HttpWriter (super.getBuffer());
00219
00220
00221
00222 params = new HttpMutableParams (new Buffer(ParamsBufferSize));
00223
00224
00225
00226
00227 cookies = new HttpMutableCookies (super.getHeader());
00228 }
00229
00230
00231
00232
00233
00234
00235
00236 void reset()
00237 {
00238
00239 commited = false;
00240 setStatus (HttpResponses.OK);
00241
00242
00243 super.reset();
00244
00245
00246 params.reset();
00247 }
00248
00249
00250
00251
00252
00253
00254
00255 void sendError (inout HttpStatus status)
00256 {
00257 sendError (status, "");
00258 }
00259
00260
00261
00262
00263
00264
00265
00266
00267 void sendError (inout HttpStatus status, char[] msg)
00268 {
00269 sendError (status, status.name, msg);
00270 }
00271
00272
00273
00274
00275
00276
00277
00278
00279 void sendError (inout HttpStatus status, Exception ex)
00280 {
00281 sendError (status, status.name, ex.toString());
00282 }
00283
00284
00285
00286
00287
00288
00289
00290 void setStatus (inout HttpStatus status)
00291 {
00292 this.status = status;
00293 }
00294
00295
00296
00297
00298
00299
00300
00301 HttpStatus getStatus ()
00302 {
00303 return status;
00304 }
00305
00306
00307
00308
00309
00310
00311
00312
00313
00314 HttpWriter getWriter()
00315 {
00316
00317
00318 commit (writer);
00319 return writer;
00320 }
00321
00322
00323
00324
00325
00326
00327
00328 HttpMutableParams getOutputParams()
00329 {
00330 return params;
00331 }
00332
00333
00334
00335
00336
00337
00338
00339 HttpMutableCookies getOutputCookies()
00340 {
00341 return cookies;
00342 }
00343
00344
00345
00346
00347
00348
00349
00350 HttpMutableHeaders getOutputHeaders()
00351 {
00352
00353 if (commited)
00354 throw InvalidState;
00355 return super.getHeader();
00356 }
00357
00358
00359
00360
00361
00362
00363
00364
00365
00366 IBuffer getOutputBuffer()
00367 {
00368
00369
00370 commit (writer);
00371 return super.getBuffer();
00372 }
00373
00374
00375
00376
00377
00378
00379
00380 void sendRedirect (char[] location)
00381 {
00382 setStatus (HttpResponses.MovedTemporarily);
00383 getHeader().add (HttpHeader.Location, location);
00384 flush (writer);
00385 }
00386
00387
00388
00389
00390
00391
00392
00393 void write (IWriter writer)
00394 {
00395 commit (writer);
00396 }
00397
00398
00399
00400
00401
00402
00403
00404 void flush (IWriter writer)
00405 {
00406 commit (writer);
00407
00408 version (ShowHeaders)
00409 {
00410 Stdout.put ("###############").cr();
00411 Stdout.put (super.getBuffer.toString).cr();
00412 Stdout.put ("###############").cr();
00413 }
00414 writer.flush();
00415 }
00416
00417
00418
00419
00420
00421
00422
00423
00424 private void commit (IWriter writer)
00425 {
00426 if (! commited)
00427 {
00428
00429 commited = true;
00430
00431 char[] header;
00432 HttpMutableHeaders headers = getHeader();
00433
00434
00435 writer.put (HttpHeader.Version.value)
00436 .put (' ')
00437 .put (status.code)
00438 .put (' ')
00439 .put (status.name)
00440 .cr ();
00441
00442
00443 if (! headers.get (HttpHeader.Connection))
00444 headers.add (HttpHeader.Connection, "close");
00445
00446
00447 super.write (writer);
00448 writer.cr ();
00449
00450
00451 writer.flush();
00452
00453 version (ShowHeaders)
00454 {
00455 Stdout.put (">>>> output headers").cr();
00456 Stdout.put (HttpHeader.Version.value)
00457 .put (' ')
00458 .put (status.code)
00459 .put (' ')
00460 .put (status.name)
00461 .cr ();
00462 super.write (Stdout);
00463 }
00464 }
00465 }
00466
00467
00468
00469
00470
00471
00472
00473
00474
00475 private void sendError (inout HttpStatus status, char[] reason, char[] message)
00476 {
00477 setStatus (status);
00478
00479 if (status.code != HttpResponses.NoContent.code &&
00480 status.code != HttpResponses.NotModified.code &&
00481 status.code != HttpResponses.PartialContent.code &&
00482 status.code >= HttpResponses.OK.code)
00483 {
00484
00485 setContentType (HttpHeader.TextHtml.value);
00486
00487
00488 commit (writer);
00489
00490
00491 writer.put ("<HTML>\n<HEAD>\n<TITLE>Error ")
00492 .put (status.code)
00493 .put (' ')
00494 .put (reason)
00495 .put ("</TITLE>\n<BODY>\n<H2>HTTP Error: ")
00496 .put (status.code)
00497 .put (' ')
00498 .put (reason)
00499 .put ("</H2>\n")
00500 .put (message ? message : "")
00501 .put ("\n</BODY>\n</HTML>\n");
00502
00503 flush (writer);
00504 }
00505 }
00506 }
00507
00508
00509