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99edd1c3 | 1 | |
2 | /* | |
262a0e14 | 3 | * $Id$ |
99edd1c3 | 4 | * |
5 | * DEBUG: section 73 HTTP Request | |
6 | * AUTHOR: Duane Wessels | |
7 | * | |
2b6662ba | 8 | * SQUID Web Proxy Cache http://www.squid-cache.org/ |
e25c139f | 9 | * ---------------------------------------------------------- |
99edd1c3 | 10 | * |
2b6662ba | 11 | * Squid is the result of efforts by numerous individuals from |
12 | * the Internet community; see the CONTRIBUTORS file for full | |
13 | * details. Many organizations have provided support for Squid's | |
14 | * development; see the SPONSORS file for full details. Squid is | |
15 | * Copyrighted (C) 2001 by the Regents of the University of | |
16 | * California; see the COPYRIGHT file for full details. Squid | |
17 | * incorporates software developed and/or copyrighted by other | |
18 | * sources; see the CREDITS file for full details. | |
99edd1c3 | 19 | * |
20 | * This program is free software; you can redistribute it and/or modify | |
21 | * it under the terms of the GNU General Public License as published by | |
22 | * the Free Software Foundation; either version 2 of the License, or | |
23 | * (at your option) any later version. | |
9e008dda | 24 | * |
99edd1c3 | 25 | * This program is distributed in the hope that it will be useful, |
26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
28 | * GNU General Public License for more details. | |
9e008dda | 29 | * |
99edd1c3 | 30 | * You should have received a copy of the GNU General Public License |
31 | * along with this program; if not, write to the Free Software | |
cbdec147 | 32 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
e25c139f | 33 | * |
51ee7c82 | 34 | * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org> |
99edd1c3 | 35 | */ |
36 | ||
37 | #include "squid.h" | |
cfd66529 AJ |
38 | #include "DnsLookupDetails.h" |
39 | #include "HttpRequest.h" | |
2f1431ea | 40 | #if USE_AUTH |
2d2b0bb7 | 41 | #include "auth/UserRequest.h" |
2f1431ea | 42 | #endif |
528b2c61 | 43 | #include "HttpHeaderRange.h" |
0eb49b6d | 44 | #include "MemBuf.h" |
25b6a907 | 45 | #include "Store.h" |
3ff65596 AR |
46 | #if ICAP_CLIENT |
47 | #include "adaptation/icap/icap_log.h" | |
48 | #endif | |
11e3fa1c | 49 | #include "acl/FilledChecklist.h" |
64b66b76 | 50 | #include "err_detail_type.h" |
528b2c61 | 51 | |
4a56ee8d | 52 | HttpRequest::HttpRequest() : HttpMsg(hoRequest) |
75faaa7a | 53 | { |
5cafad19 | 54 | init(); |
55 | } | |
56 | ||
0c3d3f65 | 57 | HttpRequest::HttpRequest(const HttpRequestMethod& aMethod, AnyP::ProtocolType aProtocol, const char *aUrlpath) : HttpMsg(hoRequest) |
5cafad19 | 58 | { |
5dfc3258 AR |
59 | static unsigned int id = 1; |
60 | debugs(93,7, HERE << "constructed, this=" << this << " id=" << ++id); | |
5cafad19 | 61 | init(); |
0e8aad88 | 62 | initHTTP(aMethod, aProtocol, aUrlpath); |
5cafad19 | 63 | } |
64 | ||
65 | HttpRequest::~HttpRequest() | |
66 | { | |
5cafad19 | 67 | clean(); |
5dfc3258 | 68 | debugs(93,7, HERE << "destructed, this=" << this); |
5cafad19 | 69 | } |
70 | ||
71 | void | |
0c3d3f65 | 72 | HttpRequest::initHTTP(const HttpRequestMethod& aMethod, AnyP::ProtocolType aProtocol, const char *aUrlpath) |
5cafad19 | 73 | { |
74 | method = aMethod; | |
75 | protocol = aProtocol; | |
76 | urlpath = aUrlpath; | |
77 | } | |
78 | ||
79 | void | |
80 | HttpRequest::init() | |
81 | { | |
a3f28359 | 82 | method = METHOD_NONE; |
0c3d3f65 | 83 | protocol = AnyP::PROTO_NONE; |
30abd221 | 84 | urlpath = NULL; |
a3f28359 | 85 | login[0] = '\0'; |
86 | host[0] = '\0'; | |
12ef783b | 87 | host_is_numeric = -1; |
2f1431ea | 88 | #if USE_AUTH |
a3f28359 | 89 | auth_user_request = NULL; |
2f1431ea | 90 | #endif |
a3f28359 | 91 | port = 0; |
92 | canonical = NULL; | |
a3f28359 | 93 | memset(&flags, '\0', sizeof(flags)); |
94 | range = NULL; | |
95 | ims = -1; | |
96 | imslen = 0; | |
5cafad19 | 97 | lastmod = -1; |
cc192b50 | 98 | client_addr.SetEmpty(); |
99 | my_addr.SetEmpty(); | |
5f8252d2 | 100 | body_pipe = NULL; |
a3f28359 | 101 | // hier |
3ff65596 | 102 | dnsWait = -1; |
a3f28359 | 103 | errType = ERR_NONE; |
64b66b76 | 104 | errDetail = ERR_DETAIL_NONE; |
5cafad19 | 105 | peer_login = NULL; // not allocated/deallocated by this class |
106 | peer_domain = NULL; // not allocated/deallocated by this class | |
a3f28359 | 107 | vary_headers = NULL; |
35fb56c9 | 108 | myportname = null_string; |
5cafad19 | 109 | tag = null_string; |
2f1431ea | 110 | #if USE_AUTH |
5cafad19 | 111 | extacl_user = null_string; |
112 | extacl_passwd = null_string; | |
2f1431ea | 113 | #endif |
5cafad19 | 114 | extacl_log = null_string; |
8c93a598 | 115 | extacl_message = null_string; |
c99de607 | 116 | pstate = psReadyToParseStartLine; |
3d674977 AJ |
117 | #if FOLLOW_X_FORWARDED_FOR |
118 | indirect_client_addr.SetEmpty(); | |
119 | #endif /* FOLLOW_X_FORWARDED_FOR */ | |
3ff65596 AR |
120 | #if USE_ADAPTATION |
121 | adaptHistory_ = NULL; | |
122 | #endif | |
123 | #if ICAP_CLIENT | |
124 | icapHistory_ = NULL; | |
125 | #endif | |
11e3fa1c | 126 | rangeOffsetLimit = -2; //a value of -2 means not checked yet |
8596962e | 127 | } |
128 | ||
99edd1c3 | 129 | void |
5cafad19 | 130 | HttpRequest::clean() |
99edd1c3 | 131 | { |
9e008dda | 132 | // we used to assert that the pipe is NULL, but now the request only |
5f8252d2 | 133 | // points to a pipe that is owned and initiated by another object. |
9e008dda | 134 | body_pipe = NULL; |
2f1431ea | 135 | #if USE_AUTH |
a33a428a | 136 | auth_user_request = NULL; |
2f1431ea | 137 | #endif |
8596962e | 138 | safe_free(canonical); |
62e76326 | 139 | |
8596962e | 140 | safe_free(vary_headers); |
62e76326 | 141 | |
30abd221 | 142 | urlpath.clean(); |
62e76326 | 143 | |
519e0948 | 144 | header.clean(); |
62e76326 | 145 | |
07947ad8 | 146 | if (cache_control) { |
8596962e | 147 | httpHdrCcDestroy(cache_control); |
07947ad8 | 148 | cache_control = NULL; |
149 | } | |
62e76326 | 150 | |
5cafad19 | 151 | if (range) { |
8596962e | 152 | delete range; |
5cafad19 | 153 | range = NULL; |
154 | } | |
62e76326 | 155 | |
35fb56c9 AJ |
156 | myportname.clean(); |
157 | ||
30abd221 | 158 | tag.clean(); |
2f1431ea | 159 | #if USE_AUTH |
30abd221 | 160 | extacl_user.clean(); |
30abd221 | 161 | extacl_passwd.clean(); |
2f1431ea | 162 | #endif |
30abd221 | 163 | extacl_log.clean(); |
3ff65596 | 164 | |
8c93a598 HN |
165 | extacl_message.clean(); |
166 | ||
3ff65596 AR |
167 | #if USE_ADAPTATION |
168 | adaptHistory_ = NULL; | |
169 | #endif | |
170 | #if ICAP_CLIENT | |
171 | icapHistory_ = NULL; | |
172 | #endif | |
8596962e | 173 | } |
4a972fa2 | 174 | |
5cafad19 | 175 | void |
176 | HttpRequest::reset() | |
177 | { | |
178 | clean(); | |
179 | init(); | |
180 | } | |
181 | ||
fa0e6114 AR |
182 | HttpRequest * |
183 | HttpRequest::clone() const | |
184 | { | |
b4f2886c | 185 | HttpRequest *copy = new HttpRequest(method, protocol, urlpath.termedBuf()); |
fa0e6114 AR |
186 | // TODO: move common cloning clone to Msg::copyTo() or copy ctor |
187 | copy->header.append(&header); | |
188 | copy->hdrCacheInit(); | |
189 | copy->hdr_sz = hdr_sz; | |
190 | copy->http_ver = http_ver; | |
191 | copy->pstate = pstate; // TODO: should we assert a specific state here? | |
192 | copy->body_pipe = body_pipe; | |
193 | ||
194 | strncpy(copy->login, login, sizeof(login)); // MAX_LOGIN_SZ | |
195 | strncpy(copy->host, host, sizeof(host)); // SQUIDHOSTNAMELEN | |
196 | copy->host_addr = host_addr; | |
197 | ||
fa0e6114 AR |
198 | copy->port = port; |
199 | // urlPath handled in ctor | |
9e008dda AJ |
200 | copy->canonical = canonical ? xstrdup(canonical) : NULL; |
201 | ||
66363092 | 202 | // range handled in hdrCacheInit() |
9e008dda AJ |
203 | copy->ims = ims; |
204 | copy->imslen = imslen; | |
fa0e6114 AR |
205 | copy->hier = hier; // Is it safe to copy? Should we? |
206 | ||
207 | copy->errType = errType; | |
208 | ||
209 | // XXX: what to do with copy->peer_login? | |
210 | ||
9e008dda | 211 | copy->lastmod = lastmod; |
fa0e6114 AR |
212 | copy->vary_headers = vary_headers ? xstrdup(vary_headers) : NULL; |
213 | // XXX: what to do with copy->peer_domain? | |
214 | ||
35fb56c9 | 215 | copy->myportname = myportname; |
fa0e6114 | 216 | copy->tag = tag; |
2f1431ea | 217 | #if USE_AUTH |
fa0e6114 AR |
218 | copy->extacl_user = extacl_user; |
219 | copy->extacl_passwd = extacl_passwd; | |
2f1431ea | 220 | #endif |
fa0e6114 | 221 | copy->extacl_log = extacl_log; |
8c93a598 | 222 | copy->extacl_message = extacl_message; |
fa0e6114 | 223 | |
3ff65596 AR |
224 | assert(copy->inheritProperties(this)); |
225 | ||
fa0e6114 AR |
226 | return copy; |
227 | } | |
228 | ||
d5964067 AJ |
229 | bool |
230 | HttpRequest::inheritProperties(const HttpMsg *aMsg) | |
231 | { | |
232 | const HttpRequest* aReq = dynamic_cast<const HttpRequest*>(aMsg); | |
233 | if (!aReq) | |
234 | return false; | |
235 | ||
236 | client_addr = aReq->client_addr; | |
237 | #if FOLLOW_X_FORWARDED_FOR | |
238 | indirect_client_addr = aReq->indirect_client_addr; | |
d5964067 AJ |
239 | #endif |
240 | my_addr = aReq->my_addr; | |
241 | ||
242 | dnsWait = aReq->dnsWait; | |
243 | ||
244 | #if USE_ADAPTATION | |
245 | adaptHistory_ = aReq->adaptHistory(); | |
246 | #endif | |
247 | #if ICAP_CLIENT | |
248 | icapHistory_ = aReq->icapHistory(); | |
249 | #endif | |
250 | ||
251 | // This may be too conservative for the 204 No Content case | |
252 | // may eventually need cloneNullAdaptationImmune() for that. | |
253 | flags = aReq->flags.cloneAdaptationImmune(); | |
254 | ||
255 | errType = aReq->errType; | |
256 | errDetail = aReq->errDetail; | |
257 | #if USE_AUTH | |
258 | auth_user_request = aReq->auth_user_request; | |
259 | #endif | |
983983ce AJ |
260 | |
261 | // main property is which connection the request was received on (if any) | |
d5964067 AJ |
262 | clientConnectionManager = aReq->clientConnectionManager; |
263 | return true; | |
264 | } | |
265 | ||
96ee497f AJ |
266 | /** |
267 | * Checks the first line of an HTTP request is valid | |
268 | * currently just checks the request method is present. | |
269 | * | |
270 | * NP: Other errors are left for detection later in the parse. | |
271 | */ | |
c21ad0f5 | 272 | bool |
96ee497f | 273 | HttpRequest::sanityCheckStartLine(MemBuf *buf, const size_t hdr_len, http_status *error) |
8596962e | 274 | { |
96ee497f AJ |
275 | // content is long enough to possibly hold a reply |
276 | // 2 being magic size of a 1-byte request method plus space delimiter | |
277 | if ( buf->contentSize() < 2 ) { | |
278 | // this is ony a real error if the headers apparently complete. | |
279 | if (hdr_len > 0) { | |
0246f6b8 | 280 | debugs(58, 3, HERE << "Too large request header (" << hdr_len << " bytes)"); |
96ee497f AJ |
281 | *error = HTTP_INVALID_HEADER; |
282 | } | |
283 | return false; | |
284 | } | |
8596962e | 285 | |
96ee497f | 286 | /* See if the request buffer starts with a known HTTP request method. */ |
914b89a2 | 287 | if (HttpRequestMethod(buf->content(),NULL) == METHOD_NONE) { |
bf8fe701 | 288 | debugs(73, 3, "HttpRequest::sanityCheckStartLine: did not find HTTP request method"); |
96ee497f | 289 | *error = HTTP_INVALID_HEADER; |
8596962e | 290 | return false; |
291 | } | |
292 | ||
293 | return true; | |
294 | } | |
295 | ||
c21ad0f5 | 296 | bool |
297 | HttpRequest::parseFirstLine(const char *start, const char *end) | |
8596962e | 298 | { |
863d85ee | 299 | const char *t = start + strcspn(start, w_space); |
985c86bc | 300 | method = HttpRequestMethod(start, t); |
863d85ee | 301 | |
914b89a2 | 302 | if (method == METHOD_NONE) |
863d85ee | 303 | return false; |
304 | ||
305 | start = t + strspn(t, w_space); | |
306 | ||
307 | const char *ver = findTrailingHTTPVersion(start, end); | |
308 | ||
309 | if (ver) { | |
310 | end = ver - 1; | |
311 | ||
312 | while (xisspace(*end)) // find prev non-space | |
313 | end--; | |
314 | ||
315 | end++; // back to space | |
316 | ||
317 | if (2 != sscanf(ver + 5, "%d.%d", &http_ver.major, &http_ver.minor)) { | |
bf8fe701 | 318 | debugs(73, 1, "parseRequestLine: Invalid HTTP identifier."); |
863d85ee | 319 | return false; |
320 | } | |
321 | } else { | |
322 | http_ver.major = 0; | |
323 | http_ver.minor = 9; | |
324 | } | |
325 | ||
326 | if (end < start) // missing URI | |
327 | return false; | |
328 | ||
329 | char save = *end; | |
330 | ||
331 | * (char *) end = '\0'; // temp terminate URI, XXX dangerous? | |
332 | ||
333 | HttpRequest *tmp = urlParse(method, (char *) start, this); | |
334 | ||
335 | * (char *) end = save; | |
336 | ||
337 | if (NULL == tmp) | |
338 | return false; | |
339 | ||
340 | return true; | |
99edd1c3 | 341 | } |
342 | ||
99edd1c3 | 343 | int |
666f514b | 344 | HttpRequest::parseHeader(const char *parse_start, int len) |
99edd1c3 | 345 | { |
346 | const char *blk_start, *blk_end; | |
62e76326 | 347 | |
666f514b | 348 | if (!httpMsgIsolateHeaders(&parse_start, len, &blk_start, &blk_end)) |
62e76326 | 349 | return 0; |
350 | ||
a9925b40 | 351 | int result = header.parse(blk_start, blk_end); |
62e76326 | 352 | |
528b2c61 | 353 | if (result) |
07947ad8 | 354 | hdrCacheInit(); |
62e76326 | 355 | |
528b2c61 | 356 | return result; |
99edd1c3 | 357 | } |
358 | ||
a00a7c85 | 359 | /* swaps out request using httpRequestPack */ |
99edd1c3 | 360 | void |
5cafad19 | 361 | HttpRequest::swapOut(StoreEntry * e) |
99edd1c3 | 362 | { |
a00a7c85 | 363 | Packer p; |
5cafad19 | 364 | assert(e); |
a00a7c85 | 365 | packerToStoreInit(&p, e); |
5cafad19 | 366 | pack(&p); |
a00a7c85 | 367 | packerClean(&p); |
368 | } | |
369 | ||
370 | /* packs request-line and headers, appends <crlf> terminator */ | |
371 | void | |
5cafad19 | 372 | HttpRequest::pack(Packer * p) |
a00a7c85 | 373 | { |
5cafad19 | 374 | assert(p); |
a00a7c85 | 375 | /* pack request-line */ |
3872be7c AJ |
376 | packerPrintf(p, "%s " SQUIDSTRINGPH " HTTP/%d.%d\r\n", |
377 | RequestMethodStr(method), SQUIDSTRINGPRINT(urlpath), | |
378 | http_ver.major, http_ver.minor); | |
a00a7c85 | 379 | /* headers */ |
a9925b40 | 380 | header.packInto(p); |
2246b732 | 381 | /* trailer */ |
a00a7c85 | 382 | packerAppend(p, "\r\n", 2); |
2246b732 | 383 | } |
384 | ||
5cafad19 | 385 | /* |
386 | * A wrapper for debugObj() | |
387 | */ | |
2246b732 | 388 | void |
5cafad19 | 389 | httpRequestPack(void *obj, Packer *p) |
2246b732 | 390 | { |
5cafad19 | 391 | HttpRequest *request = static_cast<HttpRequest*>(obj); |
392 | request->pack(p); | |
99edd1c3 | 393 | } |
eeb423fb | 394 | |
2246b732 | 395 | /* returns the length of request line + headers + crlf */ |
396 | int | |
5cafad19 | 397 | HttpRequest::prefixLen() |
2246b732 | 398 | { |
60745f24 | 399 | return strlen(RequestMethodStr(method)) + 1 + |
5cafad19 | 400 | urlpath.size() + 1 + |
62e76326 | 401 | 4 + 1 + 3 + 2 + |
5cafad19 | 402 | header.len + 2; |
2246b732 | 403 | } |
99edd1c3 | 404 | |
190154cf | 405 | /* sync this routine when you update HttpRequest struct */ |
8596962e | 406 | void |
07947ad8 | 407 | HttpRequest::hdrCacheInit() |
528b2c61 | 408 | { |
07947ad8 | 409 | HttpMsg::hdrCacheInit(); |
62e76326 | 410 | |
66363092 | 411 | assert(!range); |
a9925b40 | 412 | range = header.getRange(); |
528b2c61 | 413 | } |
414 | ||
e429f975 | 415 | /* request_flags */ |
416 | bool | |
417 | request_flags::resetTCP() const | |
418 | { | |
419 | return reset_tcp != 0; | |
420 | } | |
421 | ||
422 | void | |
423 | request_flags::setResetTCP() | |
424 | { | |
bf8fe701 | 425 | debugs(73, 9, "request_flags::setResetTCP"); |
e429f975 | 426 | reset_tcp = 1; |
427 | } | |
428 | ||
429 | void | |
430 | request_flags::clearResetTCP() | |
431 | { | |
bf8fe701 | 432 | debugs(73, 9, "request_flags::clearResetTCP"); |
e429f975 | 433 | reset_tcp = 0; |
434 | } | |
528b2c61 | 435 | |
3ff65596 | 436 | #if ICAP_CLIENT |
e1381638 | 437 | Adaptation::Icap::History::Pointer |
3ff65596 AR |
438 | HttpRequest::icapHistory() const |
439 | { | |
440 | if (!icapHistory_) { | |
441 | if ((LogfileStatus == LOG_ENABLE && alLogformatHasIcapToken) || | |
e1381638 | 442 | IcapLogfileStatus == LOG_ENABLE) { |
3ff65596 AR |
443 | icapHistory_ = new Adaptation::Icap::History(); |
444 | debugs(93,4, HERE << "made " << icapHistory_ << " for " << this); | |
445 | } | |
446 | } | |
447 | ||
448 | return icapHistory_; | |
449 | } | |
450 | #endif | |
451 | ||
452 | #if USE_ADAPTATION | |
e1381638 | 453 | Adaptation::History::Pointer |
a22e6cd3 | 454 | HttpRequest::adaptHistory(bool createIfNone) const |
3ff65596 | 455 | { |
a22e6cd3 AR |
456 | if (!adaptHistory_ && createIfNone) { |
457 | adaptHistory_ = new Adaptation::History(); | |
458 | debugs(93,4, HERE << "made " << adaptHistory_ << " for " << this); | |
3ff65596 AR |
459 | } |
460 | ||
461 | return adaptHistory_; | |
462 | } | |
a22e6cd3 | 463 | |
e1381638 | 464 | Adaptation::History::Pointer |
a22e6cd3 AR |
465 | HttpRequest::adaptLogHistory() const |
466 | { | |
467 | const bool loggingNeedsHistory = (LogfileStatus == LOG_ENABLE) && | |
e1381638 | 468 | alLogformatHasAdaptToken; // TODO: make global to remove this method? |
a22e6cd3 AR |
469 | return HttpRequest::adaptHistory(loggingNeedsHistory); |
470 | } | |
471 | ||
aaf0559d AR |
472 | void |
473 | HttpRequest::adaptHistoryImport(const HttpRequest &them) | |
474 | { | |
475 | if (!adaptHistory_) { | |
476 | adaptHistory_ = them.adaptHistory_; // may be nil | |
477 | } else { | |
478 | // check that histories did not diverge | |
479 | Must(!them.adaptHistory_ || them.adaptHistory_ == adaptHistory_); | |
480 | } | |
481 | } | |
482 | ||
3ff65596 AR |
483 | #endif |
484 | ||
528b2c61 | 485 | bool |
190154cf | 486 | HttpRequest::multipartRangeRequest() const |
528b2c61 | 487 | { |
488 | return (range && range->specs.count > 1); | |
489 | } | |
8000a965 | 490 | |
491 | void | |
492 | request_flags::destinationIPLookupCompleted() | |
493 | { | |
494 | destinationIPLookedUp_ = true; | |
495 | } | |
496 | ||
497 | bool | |
498 | request_flags::destinationIPLookedUp() const | |
499 | { | |
500 | return destinationIPLookedUp_; | |
501 | } | |
8596962e | 502 | |
5f8252d2 | 503 | request_flags |
504 | request_flags::cloneAdaptationImmune() const | |
505 | { | |
506 | // At the time of writing, all flags where either safe to copy after | |
507 | // adaptation or were not set at the time of the adaptation. If there | |
508 | // are flags that are different, they should be cleared in the clone. | |
509 | return *this; | |
510 | } | |
511 | ||
58217e94 | 512 | bool |
9e008dda AJ |
513 | HttpRequest::bodyNibbled() const |
514 | { | |
58217e94 | 515 | return body_pipe != NULL && body_pipe->consumedSize() > 0; |
516 | } | |
5f8252d2 | 517 | |
64b66b76 CT |
518 | void |
519 | HttpRequest::detailError(err_type aType, int aDetail) | |
520 | { | |
521 | if (errType || errDetail) | |
522 | debugs(11, 5, HERE << "old error details: " << errType << '/' << errDetail); | |
523 | debugs(11, 5, HERE << "current error details: " << aType << '/' << aDetail); | |
524 | // checking type and detail separately may cause inconsistency, but | |
525 | // may result in more details available if they only become available later | |
526 | if (!errType) | |
527 | errType = aType; | |
528 | if (!errDetail) | |
529 | errDetail = aDetail; | |
530 | } | |
531 | ||
8596962e | 532 | const char *HttpRequest::packableURI(bool full_uri) const |
533 | { | |
534 | if (full_uri) | |
535 | return urlCanonical((HttpRequest*)this); | |
536 | ||
537 | if (urlpath.size()) | |
b4f2886c | 538 | return urlpath.termedBuf(); |
8596962e | 539 | |
540 | return "/"; | |
541 | } | |
542 | ||
543 | void HttpRequest::packFirstLineInto(Packer * p, bool full_uri) const | |
544 | { | |
545 | // form HTTP request-line | |
546 | packerPrintf(p, "%s %s HTTP/%d.%d\r\n", | |
60745f24 | 547 | RequestMethodStr(method), |
8596962e | 548 | packableURI(full_uri), |
549 | http_ver.major, http_ver.minor); | |
550 | } | |
8ddea643 | 551 | |
552 | /* | |
684e9c80 | 553 | * Indicate whether or not we would expect an entity-body |
8ddea643 | 554 | * along with this request |
555 | */ | |
556 | bool | |
60745f24 | 557 | HttpRequest::expectingBody(const HttpRequestMethod& unused, int64_t& theSize) const |
8ddea643 | 558 | { |
559 | bool expectBody = false; | |
560 | ||
561 | /* | |
684e9c80 HN |
562 | * Note: Checks for message validity is in clientIsContentLengthValid(). |
563 | * this just checks if a entity-body is expected based on HTTP message syntax | |
8ddea643 | 564 | */ |
684e9c80 | 565 | if (header.chunked()) { |
8ddea643 | 566 | expectBody = true; |
684e9c80 HN |
567 | theSize = -1; |
568 | } else if (content_length >= 0) { | |
8ddea643 | 569 | expectBody = true; |
684e9c80 HN |
570 | theSize = content_length; |
571 | } else { | |
8ddea643 | 572 | expectBody = false; |
684e9c80 | 573 | // theSize undefined |
8ddea643 | 574 | } |
575 | ||
576 | return expectBody; | |
577 | } | |
c21ad0f5 | 578 | |
579 | /* | |
580 | * Create a Request from a URL and METHOD. | |
581 | * | |
582 | * If the METHOD is CONNECT, then a host:port pair is looked for instead of a URL. | |
583 | * If the request cannot be created cleanly, NULL is returned | |
584 | */ | |
585 | HttpRequest * | |
60745f24 | 586 | HttpRequest::CreateFromUrlAndMethod(char * url, const HttpRequestMethod& method) |
c21ad0f5 | 587 | { |
588 | return urlParse(method, url, NULL); | |
589 | } | |
590 | ||
591 | /* | |
592 | * Create a Request from a URL. | |
593 | * | |
594 | * If the request cannot be created cleanly, NULL is returned | |
595 | */ | |
596 | HttpRequest * | |
597 | HttpRequest::CreateFromUrl(char * url) | |
598 | { | |
599 | return urlParse(METHOD_GET, url, NULL); | |
600 | } | |
610ee341 | 601 | |
602 | /* | |
603 | * Are responses to this request possible cacheable ? | |
604 | * If false then no matter what the response must not be cached. | |
605 | */ | |
606 | bool | |
607 | HttpRequest::cacheable() const | |
608 | { | |
0c3d3f65 | 609 | if (protocol == AnyP::PROTO_HTTP) |
610ee341 | 610 | return httpCachable(method); |
611 | ||
610ee341 | 612 | /* |
613 | * The below looks questionable: what non HTTP protocols use connect, | |
614 | * trace, put and post? RC | |
615 | */ | |
9e008dda | 616 | |
60745f24 | 617 | if (!method.isCacheble()) |
9e008dda | 618 | return false; |
610ee341 | 619 | |
620 | /* | |
621 | * XXX POST may be cached sometimes.. ignored | |
622 | * for now | |
623 | */ | |
0c3d3f65 | 624 | if (protocol == AnyP::PROTO_GOPHER) |
610ee341 | 625 | return gopherCachable(this); |
626 | ||
39a19cb7 | 627 | if (protocol == AnyP::PROTO_CACHE_OBJECT) |
60745f24 | 628 | return false; |
610ee341 | 629 | |
60745f24 | 630 | return true; |
610ee341 | 631 | } |
d67acb4e | 632 | |
79c8035e AR |
633 | bool |
634 | HttpRequest::conditional() const | |
635 | { | |
636 | return flags.ims || | |
b59e6847 A |
637 | header.has(HDR_IF_MATCH) || |
638 | header.has(HDR_IF_NONE_MATCH); | |
79c8035e AR |
639 | } |
640 | ||
d5964067 AJ |
641 | void |
642 | HttpRequest::recordLookup(const DnsLookupDetails &dns) | |
3ff65596 AR |
643 | { |
644 | if (dns.wait >= 0) { // known delay | |
645 | if (dnsWait >= 0) // have recorded DNS wait before | |
646 | dnsWait += dns.wait; | |
647 | else | |
648 | dnsWait = dns.wait; | |
649 | } | |
650 | } | |
11e3fa1c AJ |
651 | |
652 | int64_t | |
653 | HttpRequest::getRangeOffsetLimit() | |
654 | { | |
655 | /* -2 is the starting value of rangeOffsetLimit. | |
656 | * If it is -2, that means we haven't checked it yet. | |
657 | * Otherwise, return the current value */ | |
5e5f247c | 658 | if (rangeOffsetLimit != -2) |
11e3fa1c AJ |
659 | return rangeOffsetLimit; |
660 | ||
661 | rangeOffsetLimit = 0; // default value for rangeOffsetLimit | |
662 | ||
663 | ACLFilledChecklist ch(NULL, this, NULL); | |
664 | ch.src_addr = client_addr; | |
665 | ch.my_addr = my_addr; | |
666 | ||
667 | for (acl_size_t *l = Config.rangeOffsetLimit; l; l = l -> next) { | |
668 | /* if there is no ACL list or if the ACLs listed match use this limit value */ | |
2efeb0b7 | 669 | if (!l->aclList || ch.fastCheck(l->aclList) == ACCESS_ALLOWED) { |
11e3fa1c AJ |
670 | debugs(58, 4, HERE << "rangeOffsetLimit=" << rangeOffsetLimit); |
671 | rangeOffsetLimit = l->size; // may be -1 | |
672 | break; | |
673 | } | |
674 | } | |
675 | ||
676 | return rangeOffsetLimit; | |
677 | } | |
655daa06 AR |
678 | |
679 | bool | |
680 | HttpRequest::canHandle1xx() const | |
681 | { | |
682 | // old clients do not support 1xx unless they sent Expect: 100-continue | |
683 | // (we reject all other HDR_EXPECT values so just check for HDR_EXPECT) | |
684 | if (http_ver <= HttpVersion(1,0) && !header.has(HDR_EXPECT)) | |
685 | return false; | |
686 | ||
687 | // others must support 1xx control messages | |
688 | return true; | |
689 | } |