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00039 module mango.http.server.HttpRequest;
00040
00041 private import mango.utils.Text;
00042
00043 private import mango.format.Int;
00044
00045 private import mango.io.Uri,
00046 mango.io.Token,
00047 mango.io.Buffer,
00048 mango.io.Reader,
00049 mango.io.Socket,
00050 mango.io.Exception,
00051 mango.io.Tokenizer;
00052
00053 private import mango.io.model.IBuffer,
00054 mango.io.model.IWriter;
00055
00056 private import mango.http.HttpReader;
00057
00058 private import mango.http.server.HttpParams,
00059 mango.http.server.HttpCookies,
00060 mango.http.server.HttpHeaders,
00061 mango.http.server.HttpMessage;
00062
00063 private import mango.http.server.model.IProviderBridge;
00064
00065
00066
00067
00068
00069
00070
00071
00072 class HttpRequest : HttpMessage, IWritable
00073 {
00074 private int port;
00075 private char[] host;
00076 private bool mimed,
00077 uried,
00078 gulped;
00079
00080
00081 private MutableUri uri;
00082 private CompositeToken line;
00083 private HttpReader reader;
00084 private HttpParams params;
00085 private HttpCookies cookies;
00086 private StartLine startLine;
00087
00088 static private InvalidStateException InvalidState;
00089
00090
00091
00092
00093
00094
00095
00096 static this()
00097 {
00098 InvalidState = new InvalidStateException("Invalid request state");
00099 }
00100
00101
00102
00103
00104
00105
00106
00107
00108
00109
00110 this (IProviderBridge bridge)
00111 {
00112 IBuffer buffer;
00113
00114 super (bridge, null);
00115 buffer = super.getBuffer();
00116
00117
00118 uri = new MutableUri();
00119
00120
00121 startLine = new StartLine();
00122
00123
00124 params = new HttpParams ();
00125
00126
00127 reader = new HttpReader (buffer);
00128
00129
00130 cookies = new HttpCookies (getHeader());
00131
00132
00133 line = new CompositeToken (Tokenizers.line, buffer);
00134 }
00135
00136
00137
00138
00139
00140
00141
00142 void reset()
00143 {
00144 port = Uri.InvalidPort;
00145 host = null;
00146 uried = false;
00147 mimed = false;
00148 gulped = false;
00149
00150 uri.reset();
00151 super.reset();
00152 params.reset();
00153 cookies.reset();
00154 }
00155
00156
00157
00158
00159
00160
00161
00162 StartLine getStartLine()
00163 {
00164 return startLine;
00165 }
00166
00167
00168
00169
00170
00171
00172
00173 Uri getRequestUri()
00174 {
00175 if (! uried)
00176 {
00177 uri.parse (startLine.getPath());
00178 if (uri.getScheme() is null)
00179 uri.setScheme (getServerScheme());
00180 uried = true;
00181 }
00182 return uri;
00183 }
00184
00185
00186
00187
00188
00189
00190
00191 Uri getExplicitUri()
00192 {
00193 getRequestUri();
00194
00195 if (uri.getHost is null)
00196 uri.setHost (getHost);
00197 return uri;
00198 }
00199
00200
00201
00202
00203
00204
00205
00206
00207
00208 HttpReader getReader()
00209 {
00210
00211 gulped = true;
00212 return reader;
00213 }
00214
00215
00216
00217
00218
00219
00220
00221 HttpCookies getInputCookies()
00222 {
00223 if (gulped)
00224 throw InvalidState;
00225 return cookies;
00226 }
00227
00228
00229
00230
00231
00232
00233
00234 HttpHeaders getInputHeaders()
00235 {
00236 if (gulped)
00237 throw InvalidState;
00238 return getHeader();
00239 }
00240
00241
00242
00243
00244
00245
00246
00247
00248 HttpParams getInputParameters()
00249 {
00250
00251 if (! params.isParsed ())
00252 {
00253 char[] query = getRequestUri().getQuery();
00254
00255
00256 if (query.length)
00257
00258 params.parse (query);
00259 else
00260
00261 if (startLine.getMethod() == "POST" &&
00262 super.getContentType() == "application/x-www-form-urlencoded")
00263 {
00264
00265 int length = getHeader.getInt (HttpHeader.ContentLength);
00266 if (length < 0)
00267 throw new IOException ("No params supplied for http POST");
00268 else
00269 if (length > HttpHeader.MaxPostParamSize)
00270 throw new IOException ("Post parameters exceed maximum length");
00271 else
00272 {
00273 char[] c = cast(char[]) getBuffer.get (length);
00274 if (c)
00275 params.parse (uri.decode (Text.replace(c, '+', ' ')));
00276 else
00277 throw new IOException ("Post parameters exceed buffer size");
00278 }
00279 }
00280 }
00281 return params;
00282 }
00283
00284
00285
00286
00287
00288
00289
00290
00291
00292 IBuffer getInputBuffer()
00293 {
00294
00295 gulped = true;
00296 return super.getBuffer();
00297 }
00298
00299
00300
00301
00302
00303
00304
00305
00306 void write (IWriter writer)
00307 {
00308 startLine.write (writer);
00309 super.write (writer);
00310 }
00311
00312
00313
00314
00315
00316
00317
00318 void readHeaders()
00319 {
00320 IBuffer input = super.getBuffer();
00321
00322
00323 while (line.next() && line.getLength() == 0)
00324 {}
00325
00326
00327 if (input.readable() == 0)
00328 throw new IOException ("truncated request");
00329
00330
00331 startLine.parse (line.toString());
00332
00333
00334 getHeader().parse (input);
00335
00336 version (ShowHeaders)
00337 {
00338 Stdout.cr().put(">>>> request Headers:").cr();
00339 getHeader().write (Stdout);
00340 }
00341 }
00342
00343
00344
00345
00346
00347
00348
00349 char[] getRemoteAddr()
00350 {
00351 return getBridge().getServer().getRemoteAddress(getConduit());
00352 }
00353
00354
00355
00356
00357
00358
00359
00360 char[] getRemoteHost()
00361 {
00362 return getBridge().getServer().getRemoteHost(getConduit());
00363 }
00364
00365
00366
00367
00368
00369
00370
00371 char[] getServerScheme()
00372 {
00373 return getBridge().getServer().getProtocol();
00374 }
00375
00376
00377
00378
00379
00380
00381
00382 char[] getEncoding()
00383 {
00384 getMimeType();
00385 return super.getEncoding();
00386 }
00387
00388
00389
00390
00391
00392
00393
00394 char[] getMimeType()
00395 {
00396 if (! mimed)
00397 {
00398 setMimeAndEncoding (super.getContentType());
00399 mimed = true;
00400 }
00401 return super.getMimeType();
00402 }
00403
00404
00405
00406
00407
00408
00409
00410 int getPort()
00411 {
00412 if (port == Uri.InvalidPort)
00413 {
00414 getHost();
00415 if (port == Uri.InvalidPort)
00416
00417 port = getBridge().getServer().getPort();
00418 }
00419 return port;
00420 }
00421
00422
00423
00424
00425
00426
00427
00428
00429
00430 char[] getHost()
00431 {
00432
00433 if (host.length)
00434 return host;
00435
00436
00437 Uri uri = getRequestUri ();
00438
00439 host = uri.getHost ();
00440 port = uri.getPort ();
00441 if (host.length)
00442 return host;
00443
00444
00445 host = Text.trim (getHeader().get(HttpHeader.Host));
00446 port = Uri.InvalidPort;
00447
00448 if (host.length)
00449 {
00450 int colon = Text.indexOf (host, ':');
00451 if (colon >= 0)
00452 {
00453 if (colon < host.length)
00454 try {
00455 port = Int.parse (host[colon+1..host.length]);
00456 } catch (Exception e){}
00457 host = host[0..colon];
00458 }
00459 return host;
00460 }
00461
00462
00463 host = getBridge().getServer().getHost();
00464 return host;
00465 }
00466 }
00467
00468
00469
00470
00471
00472
00473
00474
00475 private class StartLine : IWritable
00476 {
00477
00478
00479 version (UseTokenizer)
00480 {
00481 Buffer buf;
00482 BoundToken path,
00483 method,
00484 protocol;
00485
00486
00487
00488
00489
00490 this()
00491 {
00492 buf = new Buffer;
00493
00494
00495 path = new BoundToken (Tokenizers.space);
00496 method = new BoundToken (Tokenizers.space);
00497 protocol = new BoundToken (Tokenizers.space);
00498 }
00499
00500
00501
00502
00503
00504 void parse (char[] line)
00505 {
00506
00507 buf.setValidContent(line);
00508
00509
00510 if ((method.next(buf) && path.next(buf)) ^ protocol.next(buf))
00511 {}
00512 else
00513 throw new IOException ("Invalid HTTP start-line: '"~line~"'");
00514 }
00515
00516
00517
00518
00519
00520 char[] getMethod()
00521 {
00522 return method.toString();
00523 }
00524
00525
00526
00527
00528
00529 char[] getPath()
00530 {
00531 return path.toString();
00532 }
00533
00534
00535
00536
00537
00538 char[] getProtocol()
00539 {
00540 return protocol.toString();
00541 }
00542
00543
00544
00545
00546
00547 char[] toString()
00548 {
00549 return getMethod()~" "~getPath()~" "~getProtocol();
00550 }
00551
00552
00553
00554
00555
00556 void write (IWriter writer)
00557 {
00558 writer.put(toString()).cr();
00559 }
00560 }
00561 else
00562 {
00563 private import mango.http.utils.TokenStack;
00564
00565 Token[] tokens;
00566
00567
00568
00569
00570
00571
00572
00573 this()
00574 {
00575 tokens = new Token[0];
00576 TokenStack.resize (tokens, 3);
00577 }
00578
00579
00580
00581
00582
00583
00584
00585 void parse (char[] line)
00586 {
00587
00588 int index;
00589 int anchor = 0;
00590 int count = 0;
00591
00592 do {
00593 index = Text.indexOf (line, ' ', anchor);
00594 if (index == -1)
00595 index = line.length;
00596 tokens[count].set(line[anchor..index]);
00597 anchor = index + 1;
00598 } while (++count < 3 && anchor < line.length);
00599
00600 if (count != 3 || anchor < line.length)
00601 throw new IOException ("Invalid HTTP start-line: '"~line~"'");
00602 }
00603
00604
00605
00606
00607
00608
00609
00610 char[] getMethod()
00611 {
00612 return tokens[0].toString();
00613 }
00614
00615
00616
00617
00618
00619
00620
00621 char[] getPath()
00622 {
00623 return tokens[1].toString();
00624 }
00625
00626
00627
00628
00629
00630
00631
00632 char[] getProtocol()
00633 {
00634 return tokens[2].toString();
00635 }
00636
00637
00638
00639
00640
00641
00642
00643 char[] toString()
00644 {
00645 return getMethod()~" "~getPath()~" "~getProtocol();
00646 }
00647
00648
00649
00650
00651
00652
00653
00654 void write (IWriter writer)
00655 {
00656 writer.put (toString).cr();
00657 }
00658 }
00659 }
00660