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99edd1c3 | 1 | /* |
99edd1c3 | 2 | * DEBUG: section 73 HTTP Request |
3 | * AUTHOR: Duane Wessels | |
4 | * | |
2b6662ba | 5 | * SQUID Web Proxy Cache http://www.squid-cache.org/ |
e25c139f | 6 | * ---------------------------------------------------------- |
99edd1c3 | 7 | * |
2b6662ba | 8 | * Squid is the result of efforts by numerous individuals from |
9 | * the Internet community; see the CONTRIBUTORS file for full | |
10 | * details. Many organizations have provided support for Squid's | |
11 | * development; see the SPONSORS file for full details. Squid is | |
12 | * Copyrighted (C) 2001 by the Regents of the University of | |
13 | * California; see the COPYRIGHT file for full details. Squid | |
14 | * incorporates software developed and/or copyrighted by other | |
15 | * sources; see the CREDITS file for full details. | |
99edd1c3 | 16 | * |
17 | * This program is free software; you can redistribute it and/or modify | |
18 | * it under the terms of the GNU General Public License as published by | |
19 | * the Free Software Foundation; either version 2 of the License, or | |
20 | * (at your option) any later version. | |
9e008dda | 21 | * |
99edd1c3 | 22 | * This program is distributed in the hope that it will be useful, |
23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
25 | * GNU General Public License for more details. | |
9e008dda | 26 | * |
99edd1c3 | 27 | * You should have received a copy of the GNU General Public License |
28 | * along with this program; if not, write to the Free Software | |
cbdec147 | 29 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
e25c139f | 30 | * |
51ee7c82 | 31 | * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org> |
99edd1c3 | 32 | */ |
33 | ||
582c2af2 | 34 | #include "squid.h" |
f4698e0b | 35 | #include "AccessLogEntry.h" |
582c2af2 FC |
36 | #include "acl/FilledChecklist.h" |
37 | #include "client_side.h" | |
cfd66529 | 38 | #include "DnsLookupDetails.h" |
582c2af2 | 39 | #include "err_detail_type.h" |
67679543 | 40 | #include "globals.h" |
d05c079c | 41 | #include "gopher.h" |
5c0c642e | 42 | #include "http.h" |
7ebe76de | 43 | #include "HttpHdrCc.h" |
528b2c61 | 44 | #include "HttpHeaderRange.h" |
582c2af2 | 45 | #include "HttpRequest.h" |
38e16f92 | 46 | #include "log/Config.h" |
0eb49b6d | 47 | #include "MemBuf.h" |
25b6a907 | 48 | #include "Store.h" |
b1bd952a | 49 | #include "URL.h" |
582c2af2 FC |
50 | |
51 | #if USE_AUTH | |
52 | #include "auth/UserRequest.h" | |
53 | #endif | |
3ff65596 AR |
54 | #if ICAP_CLIENT |
55 | #include "adaptation/icap/icap_log.h" | |
56 | #endif | |
528b2c61 | 57 | |
4a56ee8d | 58 | HttpRequest::HttpRequest() : HttpMsg(hoRequest) |
75faaa7a | 59 | { |
5cafad19 | 60 | init(); |
61 | } | |
62 | ||
0c3d3f65 | 63 | HttpRequest::HttpRequest(const HttpRequestMethod& aMethod, AnyP::ProtocolType aProtocol, const char *aUrlpath) : HttpMsg(hoRequest) |
5cafad19 | 64 | { |
5dfc3258 AR |
65 | static unsigned int id = 1; |
66 | debugs(93,7, HERE << "constructed, this=" << this << " id=" << ++id); | |
5cafad19 | 67 | init(); |
0e8aad88 | 68 | initHTTP(aMethod, aProtocol, aUrlpath); |
5cafad19 | 69 | } |
70 | ||
71 | HttpRequest::~HttpRequest() | |
72 | { | |
5cafad19 | 73 | clean(); |
5dfc3258 | 74 | debugs(93,7, HERE << "destructed, this=" << this); |
5cafad19 | 75 | } |
76 | ||
77 | void | |
0c3d3f65 | 78 | HttpRequest::initHTTP(const HttpRequestMethod& aMethod, AnyP::ProtocolType aProtocol, const char *aUrlpath) |
5cafad19 | 79 | { |
80 | method = aMethod; | |
81 | protocol = aProtocol; | |
82 | urlpath = aUrlpath; | |
83 | } | |
84 | ||
85 | void | |
86 | HttpRequest::init() | |
87 | { | |
a3f28359 | 88 | method = METHOD_NONE; |
0c3d3f65 | 89 | protocol = AnyP::PROTO_NONE; |
30abd221 | 90 | urlpath = NULL; |
a3f28359 | 91 | login[0] = '\0'; |
92 | host[0] = '\0'; | |
12ef783b | 93 | host_is_numeric = -1; |
2f1431ea | 94 | #if USE_AUTH |
a3f28359 | 95 | auth_user_request = NULL; |
2f1431ea | 96 | #endif |
a3f28359 | 97 | port = 0; |
98 | canonical = NULL; | |
a3f28359 | 99 | memset(&flags, '\0', sizeof(flags)); |
100 | range = NULL; | |
101 | ims = -1; | |
102 | imslen = 0; | |
5cafad19 | 103 | lastmod = -1; |
cc192b50 | 104 | client_addr.SetEmpty(); |
105 | my_addr.SetEmpty(); | |
5f8252d2 | 106 | body_pipe = NULL; |
a3f28359 | 107 | // hier |
3ff65596 | 108 | dnsWait = -1; |
a3f28359 | 109 | errType = ERR_NONE; |
64b66b76 | 110 | errDetail = ERR_DETAIL_NONE; |
5cafad19 | 111 | peer_login = NULL; // not allocated/deallocated by this class |
112 | peer_domain = NULL; // not allocated/deallocated by this class | |
a3f28359 | 113 | vary_headers = NULL; |
35fb56c9 | 114 | myportname = null_string; |
5cafad19 | 115 | tag = null_string; |
2f1431ea | 116 | #if USE_AUTH |
5cafad19 | 117 | extacl_user = null_string; |
118 | extacl_passwd = null_string; | |
2f1431ea | 119 | #endif |
5cafad19 | 120 | extacl_log = null_string; |
8c93a598 | 121 | extacl_message = null_string; |
c99de607 | 122 | pstate = psReadyToParseStartLine; |
3d674977 AJ |
123 | #if FOLLOW_X_FORWARDED_FOR |
124 | indirect_client_addr.SetEmpty(); | |
125 | #endif /* FOLLOW_X_FORWARDED_FOR */ | |
3ff65596 AR |
126 | #if USE_ADAPTATION |
127 | adaptHistory_ = NULL; | |
128 | #endif | |
129 | #if ICAP_CLIENT | |
130 | icapHistory_ = NULL; | |
131 | #endif | |
11e3fa1c | 132 | rangeOffsetLimit = -2; //a value of -2 means not checked yet |
8596962e | 133 | } |
134 | ||
99edd1c3 | 135 | void |
5cafad19 | 136 | HttpRequest::clean() |
99edd1c3 | 137 | { |
9e008dda | 138 | // we used to assert that the pipe is NULL, but now the request only |
5f8252d2 | 139 | // points to a pipe that is owned and initiated by another object. |
9e008dda | 140 | body_pipe = NULL; |
2f1431ea | 141 | #if USE_AUTH |
a33a428a | 142 | auth_user_request = NULL; |
2f1431ea | 143 | #endif |
8596962e | 144 | safe_free(canonical); |
62e76326 | 145 | |
8596962e | 146 | safe_free(vary_headers); |
62e76326 | 147 | |
30abd221 | 148 | urlpath.clean(); |
62e76326 | 149 | |
519e0948 | 150 | header.clean(); |
62e76326 | 151 | |
07947ad8 | 152 | if (cache_control) { |
3d7782c1 | 153 | delete cache_control; |
07947ad8 | 154 | cache_control = NULL; |
155 | } | |
62e76326 | 156 | |
5cafad19 | 157 | if (range) { |
8596962e | 158 | delete range; |
5cafad19 | 159 | range = NULL; |
160 | } | |
62e76326 | 161 | |
35fb56c9 AJ |
162 | myportname.clean(); |
163 | ||
30abd221 | 164 | tag.clean(); |
2f1431ea | 165 | #if USE_AUTH |
30abd221 | 166 | extacl_user.clean(); |
30abd221 | 167 | extacl_passwd.clean(); |
2f1431ea | 168 | #endif |
30abd221 | 169 | extacl_log.clean(); |
3ff65596 | 170 | |
8c93a598 HN |
171 | extacl_message.clean(); |
172 | ||
3ff65596 AR |
173 | #if USE_ADAPTATION |
174 | adaptHistory_ = NULL; | |
175 | #endif | |
176 | #if ICAP_CLIENT | |
177 | icapHistory_ = NULL; | |
178 | #endif | |
8596962e | 179 | } |
4a972fa2 | 180 | |
5cafad19 | 181 | void |
182 | HttpRequest::reset() | |
183 | { | |
184 | clean(); | |
185 | init(); | |
186 | } | |
187 | ||
fa0e6114 AR |
188 | HttpRequest * |
189 | HttpRequest::clone() const | |
190 | { | |
b4f2886c | 191 | HttpRequest *copy = new HttpRequest(method, protocol, urlpath.termedBuf()); |
fa0e6114 AR |
192 | // TODO: move common cloning clone to Msg::copyTo() or copy ctor |
193 | copy->header.append(&header); | |
194 | copy->hdrCacheInit(); | |
195 | copy->hdr_sz = hdr_sz; | |
196 | copy->http_ver = http_ver; | |
197 | copy->pstate = pstate; // TODO: should we assert a specific state here? | |
198 | copy->body_pipe = body_pipe; | |
199 | ||
200 | strncpy(copy->login, login, sizeof(login)); // MAX_LOGIN_SZ | |
201 | strncpy(copy->host, host, sizeof(host)); // SQUIDHOSTNAMELEN | |
202 | copy->host_addr = host_addr; | |
203 | ||
fa0e6114 AR |
204 | copy->port = port; |
205 | // urlPath handled in ctor | |
9e008dda AJ |
206 | copy->canonical = canonical ? xstrdup(canonical) : NULL; |
207 | ||
66363092 | 208 | // range handled in hdrCacheInit() |
9e008dda AJ |
209 | copy->ims = ims; |
210 | copy->imslen = imslen; | |
fa0e6114 AR |
211 | copy->hier = hier; // Is it safe to copy? Should we? |
212 | ||
213 | copy->errType = errType; | |
214 | ||
215 | // XXX: what to do with copy->peer_login? | |
216 | ||
9e008dda | 217 | copy->lastmod = lastmod; |
fa0e6114 AR |
218 | copy->vary_headers = vary_headers ? xstrdup(vary_headers) : NULL; |
219 | // XXX: what to do with copy->peer_domain? | |
220 | ||
35fb56c9 | 221 | copy->myportname = myportname; |
fa0e6114 | 222 | copy->tag = tag; |
2f1431ea | 223 | #if USE_AUTH |
fa0e6114 AR |
224 | copy->extacl_user = extacl_user; |
225 | copy->extacl_passwd = extacl_passwd; | |
2f1431ea | 226 | #endif |
fa0e6114 | 227 | copy->extacl_log = extacl_log; |
8c93a598 | 228 | copy->extacl_message = extacl_message; |
fa0e6114 | 229 | |
3ff65596 AR |
230 | assert(copy->inheritProperties(this)); |
231 | ||
fa0e6114 AR |
232 | return copy; |
233 | } | |
234 | ||
d5964067 AJ |
235 | bool |
236 | HttpRequest::inheritProperties(const HttpMsg *aMsg) | |
237 | { | |
238 | const HttpRequest* aReq = dynamic_cast<const HttpRequest*>(aMsg); | |
239 | if (!aReq) | |
240 | return false; | |
241 | ||
242 | client_addr = aReq->client_addr; | |
243 | #if FOLLOW_X_FORWARDED_FOR | |
244 | indirect_client_addr = aReq->indirect_client_addr; | |
d5964067 AJ |
245 | #endif |
246 | my_addr = aReq->my_addr; | |
247 | ||
248 | dnsWait = aReq->dnsWait; | |
249 | ||
250 | #if USE_ADAPTATION | |
251 | adaptHistory_ = aReq->adaptHistory(); | |
252 | #endif | |
253 | #if ICAP_CLIENT | |
254 | icapHistory_ = aReq->icapHistory(); | |
255 | #endif | |
256 | ||
257 | // This may be too conservative for the 204 No Content case | |
258 | // may eventually need cloneNullAdaptationImmune() for that. | |
259 | flags = aReq->flags.cloneAdaptationImmune(); | |
260 | ||
261 | errType = aReq->errType; | |
262 | errDetail = aReq->errDetail; | |
263 | #if USE_AUTH | |
264 | auth_user_request = aReq->auth_user_request; | |
265 | #endif | |
983983ce AJ |
266 | |
267 | // main property is which connection the request was received on (if any) | |
d5964067 | 268 | clientConnectionManager = aReq->clientConnectionManager; |
f4698e0b | 269 | |
d5964067 AJ |
270 | return true; |
271 | } | |
272 | ||
96ee497f AJ |
273 | /** |
274 | * Checks the first line of an HTTP request is valid | |
275 | * currently just checks the request method is present. | |
276 | * | |
277 | * NP: Other errors are left for detection later in the parse. | |
278 | */ | |
c21ad0f5 | 279 | bool |
96ee497f | 280 | HttpRequest::sanityCheckStartLine(MemBuf *buf, const size_t hdr_len, http_status *error) |
8596962e | 281 | { |
96ee497f AJ |
282 | // content is long enough to possibly hold a reply |
283 | // 2 being magic size of a 1-byte request method plus space delimiter | |
284 | if ( buf->contentSize() < 2 ) { | |
285 | // this is ony a real error if the headers apparently complete. | |
286 | if (hdr_len > 0) { | |
0246f6b8 | 287 | debugs(58, 3, HERE << "Too large request header (" << hdr_len << " bytes)"); |
96ee497f AJ |
288 | *error = HTTP_INVALID_HEADER; |
289 | } | |
290 | return false; | |
291 | } | |
8596962e | 292 | |
96ee497f | 293 | /* See if the request buffer starts with a known HTTP request method. */ |
914b89a2 | 294 | if (HttpRequestMethod(buf->content(),NULL) == METHOD_NONE) { |
bf8fe701 | 295 | debugs(73, 3, "HttpRequest::sanityCheckStartLine: did not find HTTP request method"); |
96ee497f | 296 | *error = HTTP_INVALID_HEADER; |
8596962e | 297 | return false; |
298 | } | |
299 | ||
300 | return true; | |
301 | } | |
302 | ||
c21ad0f5 | 303 | bool |
304 | HttpRequest::parseFirstLine(const char *start, const char *end) | |
8596962e | 305 | { |
863d85ee | 306 | const char *t = start + strcspn(start, w_space); |
985c86bc | 307 | method = HttpRequestMethod(start, t); |
863d85ee | 308 | |
914b89a2 | 309 | if (method == METHOD_NONE) |
863d85ee | 310 | return false; |
311 | ||
312 | start = t + strspn(t, w_space); | |
313 | ||
314 | const char *ver = findTrailingHTTPVersion(start, end); | |
315 | ||
316 | if (ver) { | |
317 | end = ver - 1; | |
318 | ||
319 | while (xisspace(*end)) // find prev non-space | |
5e263176 | 320 | --end; |
863d85ee | 321 | |
95dc7ff4 | 322 | ++end; // back to space |
863d85ee | 323 | |
324 | if (2 != sscanf(ver + 5, "%d.%d", &http_ver.major, &http_ver.minor)) { | |
e0236918 | 325 | debugs(73, DBG_IMPORTANT, "parseRequestLine: Invalid HTTP identifier."); |
863d85ee | 326 | return false; |
327 | } | |
328 | } else { | |
329 | http_ver.major = 0; | |
330 | http_ver.minor = 9; | |
331 | } | |
332 | ||
333 | if (end < start) // missing URI | |
334 | return false; | |
335 | ||
336 | char save = *end; | |
337 | ||
338 | * (char *) end = '\0'; // temp terminate URI, XXX dangerous? | |
339 | ||
340 | HttpRequest *tmp = urlParse(method, (char *) start, this); | |
341 | ||
342 | * (char *) end = save; | |
343 | ||
344 | if (NULL == tmp) | |
345 | return false; | |
346 | ||
347 | return true; | |
99edd1c3 | 348 | } |
349 | ||
99edd1c3 | 350 | int |
666f514b | 351 | HttpRequest::parseHeader(const char *parse_start, int len) |
99edd1c3 | 352 | { |
353 | const char *blk_start, *blk_end; | |
62e76326 | 354 | |
666f514b | 355 | if (!httpMsgIsolateHeaders(&parse_start, len, &blk_start, &blk_end)) |
62e76326 | 356 | return 0; |
357 | ||
a9925b40 | 358 | int result = header.parse(blk_start, blk_end); |
62e76326 | 359 | |
528b2c61 | 360 | if (result) |
07947ad8 | 361 | hdrCacheInit(); |
62e76326 | 362 | |
528b2c61 | 363 | return result; |
99edd1c3 | 364 | } |
365 | ||
a00a7c85 | 366 | /* swaps out request using httpRequestPack */ |
99edd1c3 | 367 | void |
5cafad19 | 368 | HttpRequest::swapOut(StoreEntry * e) |
99edd1c3 | 369 | { |
a00a7c85 | 370 | Packer p; |
5cafad19 | 371 | assert(e); |
a00a7c85 | 372 | packerToStoreInit(&p, e); |
5cafad19 | 373 | pack(&p); |
a00a7c85 | 374 | packerClean(&p); |
375 | } | |
376 | ||
377 | /* packs request-line and headers, appends <crlf> terminator */ | |
378 | void | |
5cafad19 | 379 | HttpRequest::pack(Packer * p) |
a00a7c85 | 380 | { |
5cafad19 | 381 | assert(p); |
a00a7c85 | 382 | /* pack request-line */ |
3872be7c AJ |
383 | packerPrintf(p, "%s " SQUIDSTRINGPH " HTTP/%d.%d\r\n", |
384 | RequestMethodStr(method), SQUIDSTRINGPRINT(urlpath), | |
385 | http_ver.major, http_ver.minor); | |
a00a7c85 | 386 | /* headers */ |
a9925b40 | 387 | header.packInto(p); |
2246b732 | 388 | /* trailer */ |
a00a7c85 | 389 | packerAppend(p, "\r\n", 2); |
2246b732 | 390 | } |
391 | ||
5cafad19 | 392 | /* |
393 | * A wrapper for debugObj() | |
394 | */ | |
2246b732 | 395 | void |
5cafad19 | 396 | httpRequestPack(void *obj, Packer *p) |
2246b732 | 397 | { |
5cafad19 | 398 | HttpRequest *request = static_cast<HttpRequest*>(obj); |
399 | request->pack(p); | |
99edd1c3 | 400 | } |
eeb423fb | 401 | |
2246b732 | 402 | /* returns the length of request line + headers + crlf */ |
403 | int | |
5cafad19 | 404 | HttpRequest::prefixLen() |
2246b732 | 405 | { |
60745f24 | 406 | return strlen(RequestMethodStr(method)) + 1 + |
5cafad19 | 407 | urlpath.size() + 1 + |
62e76326 | 408 | 4 + 1 + 3 + 2 + |
5cafad19 | 409 | header.len + 2; |
2246b732 | 410 | } |
99edd1c3 | 411 | |
190154cf | 412 | /* sync this routine when you update HttpRequest struct */ |
8596962e | 413 | void |
07947ad8 | 414 | HttpRequest::hdrCacheInit() |
528b2c61 | 415 | { |
07947ad8 | 416 | HttpMsg::hdrCacheInit(); |
62e76326 | 417 | |
66363092 | 418 | assert(!range); |
a9925b40 | 419 | range = header.getRange(); |
528b2c61 | 420 | } |
421 | ||
e429f975 | 422 | /* request_flags */ |
423 | bool | |
424 | request_flags::resetTCP() const | |
425 | { | |
426 | return reset_tcp != 0; | |
427 | } | |
428 | ||
429 | void | |
430 | request_flags::setResetTCP() | |
431 | { | |
bf8fe701 | 432 | debugs(73, 9, "request_flags::setResetTCP"); |
e429f975 | 433 | reset_tcp = 1; |
434 | } | |
435 | ||
436 | void | |
437 | request_flags::clearResetTCP() | |
438 | { | |
bf8fe701 | 439 | debugs(73, 9, "request_flags::clearResetTCP"); |
e429f975 | 440 | reset_tcp = 0; |
441 | } | |
528b2c61 | 442 | |
3ff65596 | 443 | #if ICAP_CLIENT |
e1381638 | 444 | Adaptation::Icap::History::Pointer |
3ff65596 AR |
445 | HttpRequest::icapHistory() const |
446 | { | |
447 | if (!icapHistory_) { | |
38e16f92 | 448 | if (Log::TheConfig.hasIcapToken || IcapLogfileStatus == LOG_ENABLE) { |
3ff65596 AR |
449 | icapHistory_ = new Adaptation::Icap::History(); |
450 | debugs(93,4, HERE << "made " << icapHistory_ << " for " << this); | |
451 | } | |
452 | } | |
453 | ||
454 | return icapHistory_; | |
455 | } | |
456 | #endif | |
457 | ||
458 | #if USE_ADAPTATION | |
e1381638 | 459 | Adaptation::History::Pointer |
a22e6cd3 | 460 | HttpRequest::adaptHistory(bool createIfNone) const |
3ff65596 | 461 | { |
a22e6cd3 AR |
462 | if (!adaptHistory_ && createIfNone) { |
463 | adaptHistory_ = new Adaptation::History(); | |
464 | debugs(93,4, HERE << "made " << adaptHistory_ << " for " << this); | |
3ff65596 AR |
465 | } |
466 | ||
467 | return adaptHistory_; | |
468 | } | |
a22e6cd3 | 469 | |
e1381638 | 470 | Adaptation::History::Pointer |
a22e6cd3 AR |
471 | HttpRequest::adaptLogHistory() const |
472 | { | |
38e16f92 | 473 | return HttpRequest::adaptHistory(Log::TheConfig.hasAdaptToken); |
a22e6cd3 AR |
474 | } |
475 | ||
aaf0559d AR |
476 | void |
477 | HttpRequest::adaptHistoryImport(const HttpRequest &them) | |
478 | { | |
479 | if (!adaptHistory_) { | |
480 | adaptHistory_ = them.adaptHistory_; // may be nil | |
481 | } else { | |
482 | // check that histories did not diverge | |
483 | Must(!them.adaptHistory_ || them.adaptHistory_ == adaptHistory_); | |
484 | } | |
485 | } | |
486 | ||
3ff65596 AR |
487 | #endif |
488 | ||
528b2c61 | 489 | bool |
190154cf | 490 | HttpRequest::multipartRangeRequest() const |
528b2c61 | 491 | { |
492 | return (range && range->specs.count > 1); | |
493 | } | |
8000a965 | 494 | |
495 | void | |
496 | request_flags::destinationIPLookupCompleted() | |
497 | { | |
498 | destinationIPLookedUp_ = true; | |
499 | } | |
500 | ||
501 | bool | |
502 | request_flags::destinationIPLookedUp() const | |
503 | { | |
504 | return destinationIPLookedUp_; | |
505 | } | |
8596962e | 506 | |
5f8252d2 | 507 | request_flags |
508 | request_flags::cloneAdaptationImmune() const | |
509 | { | |
510 | // At the time of writing, all flags where either safe to copy after | |
511 | // adaptation or were not set at the time of the adaptation. If there | |
512 | // are flags that are different, they should be cleared in the clone. | |
513 | return *this; | |
514 | } | |
515 | ||
58217e94 | 516 | bool |
9e008dda AJ |
517 | HttpRequest::bodyNibbled() const |
518 | { | |
58217e94 | 519 | return body_pipe != NULL && body_pipe->consumedSize() > 0; |
520 | } | |
5f8252d2 | 521 | |
64b66b76 CT |
522 | void |
523 | HttpRequest::detailError(err_type aType, int aDetail) | |
524 | { | |
525 | if (errType || errDetail) | |
526 | debugs(11, 5, HERE << "old error details: " << errType << '/' << errDetail); | |
527 | debugs(11, 5, HERE << "current error details: " << aType << '/' << aDetail); | |
528 | // checking type and detail separately may cause inconsistency, but | |
529 | // may result in more details available if they only become available later | |
530 | if (!errType) | |
531 | errType = aType; | |
532 | if (!errDetail) | |
533 | errDetail = aDetail; | |
534 | } | |
535 | ||
129fe2a1 CT |
536 | void |
537 | HttpRequest::clearError() | |
538 | { | |
539 | debugs(11, 7, HERE << "old error details: " << errType << '/' << errDetail); | |
540 | errType = ERR_NONE; | |
541 | errDetail = ERR_DETAIL_NONE; | |
542 | } | |
543 | ||
8596962e | 544 | const char *HttpRequest::packableURI(bool full_uri) const |
545 | { | |
546 | if (full_uri) | |
547 | return urlCanonical((HttpRequest*)this); | |
548 | ||
549 | if (urlpath.size()) | |
b4f2886c | 550 | return urlpath.termedBuf(); |
8596962e | 551 | |
552 | return "/"; | |
553 | } | |
554 | ||
555 | void HttpRequest::packFirstLineInto(Packer * p, bool full_uri) const | |
556 | { | |
557 | // form HTTP request-line | |
558 | packerPrintf(p, "%s %s HTTP/%d.%d\r\n", | |
60745f24 | 559 | RequestMethodStr(method), |
8596962e | 560 | packableURI(full_uri), |
561 | http_ver.major, http_ver.minor); | |
562 | } | |
8ddea643 | 563 | |
564 | /* | |
684e9c80 | 565 | * Indicate whether or not we would expect an entity-body |
8ddea643 | 566 | * along with this request |
567 | */ | |
568 | bool | |
60745f24 | 569 | HttpRequest::expectingBody(const HttpRequestMethod& unused, int64_t& theSize) const |
8ddea643 | 570 | { |
571 | bool expectBody = false; | |
572 | ||
573 | /* | |
684e9c80 HN |
574 | * Note: Checks for message validity is in clientIsContentLengthValid(). |
575 | * this just checks if a entity-body is expected based on HTTP message syntax | |
8ddea643 | 576 | */ |
684e9c80 | 577 | if (header.chunked()) { |
8ddea643 | 578 | expectBody = true; |
684e9c80 HN |
579 | theSize = -1; |
580 | } else if (content_length >= 0) { | |
8ddea643 | 581 | expectBody = true; |
684e9c80 HN |
582 | theSize = content_length; |
583 | } else { | |
8ddea643 | 584 | expectBody = false; |
684e9c80 | 585 | // theSize undefined |
8ddea643 | 586 | } |
587 | ||
588 | return expectBody; | |
589 | } | |
c21ad0f5 | 590 | |
591 | /* | |
592 | * Create a Request from a URL and METHOD. | |
593 | * | |
594 | * If the METHOD is CONNECT, then a host:port pair is looked for instead of a URL. | |
595 | * If the request cannot be created cleanly, NULL is returned | |
596 | */ | |
597 | HttpRequest * | |
60745f24 | 598 | HttpRequest::CreateFromUrlAndMethod(char * url, const HttpRequestMethod& method) |
c21ad0f5 | 599 | { |
600 | return urlParse(method, url, NULL); | |
601 | } | |
602 | ||
603 | /* | |
604 | * Create a Request from a URL. | |
605 | * | |
606 | * If the request cannot be created cleanly, NULL is returned | |
607 | */ | |
608 | HttpRequest * | |
609 | HttpRequest::CreateFromUrl(char * url) | |
610 | { | |
611 | return urlParse(METHOD_GET, url, NULL); | |
612 | } | |
610ee341 | 613 | |
614 | /* | |
615 | * Are responses to this request possible cacheable ? | |
616 | * If false then no matter what the response must not be cached. | |
617 | */ | |
618 | bool | |
619 | HttpRequest::cacheable() const | |
620 | { | |
2962f8b8 AJ |
621 | // Intercepted request with Host: header which cannot be trusted. |
622 | // Because it failed verification, or someone bypassed the security tests | |
623 | // we cannot cache the reponse for sharing between clients. | |
624 | // TODO: update cache to store for particular clients only (going to same Host: and destination IP) | |
625 | if (!flags.hostVerified && (flags.intercepted || flags.spoof_client_ip)) | |
626 | return false; | |
627 | ||
0c3d3f65 | 628 | if (protocol == AnyP::PROTO_HTTP) |
610ee341 | 629 | return httpCachable(method); |
630 | ||
610ee341 | 631 | /* |
632 | * The below looks questionable: what non HTTP protocols use connect, | |
633 | * trace, put and post? RC | |
634 | */ | |
9e008dda | 635 | |
60745f24 | 636 | if (!method.isCacheble()) |
9e008dda | 637 | return false; |
610ee341 | 638 | |
639 | /* | |
640 | * XXX POST may be cached sometimes.. ignored | |
641 | * for now | |
642 | */ | |
0c3d3f65 | 643 | if (protocol == AnyP::PROTO_GOPHER) |
610ee341 | 644 | return gopherCachable(this); |
645 | ||
39a19cb7 | 646 | if (protocol == AnyP::PROTO_CACHE_OBJECT) |
60745f24 | 647 | return false; |
610ee341 | 648 | |
60745f24 | 649 | return true; |
610ee341 | 650 | } |
d67acb4e | 651 | |
79c8035e AR |
652 | bool |
653 | HttpRequest::conditional() const | |
654 | { | |
655 | return flags.ims || | |
b59e6847 A |
656 | header.has(HDR_IF_MATCH) || |
657 | header.has(HDR_IF_NONE_MATCH); | |
79c8035e AR |
658 | } |
659 | ||
d5964067 AJ |
660 | void |
661 | HttpRequest::recordLookup(const DnsLookupDetails &dns) | |
3ff65596 AR |
662 | { |
663 | if (dns.wait >= 0) { // known delay | |
664 | if (dnsWait >= 0) // have recorded DNS wait before | |
665 | dnsWait += dns.wait; | |
666 | else | |
667 | dnsWait = dns.wait; | |
668 | } | |
669 | } | |
11e3fa1c AJ |
670 | |
671 | int64_t | |
672 | HttpRequest::getRangeOffsetLimit() | |
673 | { | |
674 | /* -2 is the starting value of rangeOffsetLimit. | |
675 | * If it is -2, that means we haven't checked it yet. | |
676 | * Otherwise, return the current value */ | |
5e5f247c | 677 | if (rangeOffsetLimit != -2) |
11e3fa1c AJ |
678 | return rangeOffsetLimit; |
679 | ||
680 | rangeOffsetLimit = 0; // default value for rangeOffsetLimit | |
681 | ||
682 | ACLFilledChecklist ch(NULL, this, NULL); | |
683 | ch.src_addr = client_addr; | |
684 | ch.my_addr = my_addr; | |
685 | ||
686 | for (acl_size_t *l = Config.rangeOffsetLimit; l; l = l -> next) { | |
687 | /* if there is no ACL list or if the ACLs listed match use this limit value */ | |
2efeb0b7 | 688 | if (!l->aclList || ch.fastCheck(l->aclList) == ACCESS_ALLOWED) { |
11e3fa1c AJ |
689 | debugs(58, 4, HERE << "rangeOffsetLimit=" << rangeOffsetLimit); |
690 | rangeOffsetLimit = l->size; // may be -1 | |
691 | break; | |
692 | } | |
693 | } | |
694 | ||
695 | return rangeOffsetLimit; | |
696 | } | |
655daa06 AR |
697 | |
698 | bool | |
699 | HttpRequest::canHandle1xx() const | |
700 | { | |
701 | // old clients do not support 1xx unless they sent Expect: 100-continue | |
702 | // (we reject all other HDR_EXPECT values so just check for HDR_EXPECT) | |
703 | if (http_ver <= HttpVersion(1,0) && !header.has(HDR_EXPECT)) | |
704 | return false; | |
705 | ||
706 | // others must support 1xx control messages | |
707 | return true; | |
708 | } | |
582c2af2 FC |
709 | |
710 | ConnStateData * | |
b0fb853f A |
711 | HttpRequest::pinnedConnection() |
712 | { | |
582c2af2 FC |
713 | if (clientConnectionManager.valid() && clientConnectionManager->pinning.pinned) |
714 | return clientConnectionManager.get(); | |
715 | return NULL; | |
716 | } |