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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" |
1328cfb7 | 36 | #include "acl/AclSizeLimit.h" |
582c2af2 FC |
37 | #include "acl/FilledChecklist.h" |
38 | #include "client_side.h" | |
cfd66529 | 39 | #include "DnsLookupDetails.h" |
582c2af2 | 40 | #include "err_detail_type.h" |
67679543 | 41 | #include "globals.h" |
d05c079c | 42 | #include "gopher.h" |
5c0c642e | 43 | #include "http.h" |
7ebe76de | 44 | #include "HttpHdrCc.h" |
528b2c61 | 45 | #include "HttpHeaderRange.h" |
582c2af2 | 46 | #include "HttpRequest.h" |
38e16f92 | 47 | #include "log/Config.h" |
0eb49b6d | 48 | #include "MemBuf.h" |
4d5904f7 | 49 | #include "SquidConfig.h" |
25b6a907 | 50 | #include "Store.h" |
b1bd952a | 51 | #include "URL.h" |
582c2af2 FC |
52 | |
53 | #if USE_AUTH | |
54 | #include "auth/UserRequest.h" | |
55 | #endif | |
3ff65596 AR |
56 | #if ICAP_CLIENT |
57 | #include "adaptation/icap/icap_log.h" | |
58 | #endif | |
528b2c61 | 59 | |
3aaa8e6f AJ |
60 | HttpRequest::HttpRequest() : |
61 | HttpMsg(hoRequest), | |
62 | helperNotes(NULL) | |
75faaa7a | 63 | { |
5cafad19 | 64 | init(); |
65 | } | |
66 | ||
d06e17ea AJ |
67 | HttpRequest::HttpRequest(const HttpRequestMethod& aMethod, AnyP::ProtocolType aProtocol, const char *aUrlpath) : |
68 | HttpMsg(hoRequest), | |
69 | helperNotes(NULL) | |
5cafad19 | 70 | { |
5dfc3258 AR |
71 | static unsigned int id = 1; |
72 | debugs(93,7, HERE << "constructed, this=" << this << " id=" << ++id); | |
5cafad19 | 73 | init(); |
0e8aad88 | 74 | initHTTP(aMethod, aProtocol, aUrlpath); |
5cafad19 | 75 | } |
76 | ||
77 | HttpRequest::~HttpRequest() | |
78 | { | |
5cafad19 | 79 | clean(); |
5dfc3258 | 80 | debugs(93,7, HERE << "destructed, this=" << this); |
5cafad19 | 81 | } |
82 | ||
83 | void | |
0c3d3f65 | 84 | HttpRequest::initHTTP(const HttpRequestMethod& aMethod, AnyP::ProtocolType aProtocol, const char *aUrlpath) |
5cafad19 | 85 | { |
86 | method = aMethod; | |
87 | protocol = aProtocol; | |
88 | urlpath = aUrlpath; | |
89 | } | |
90 | ||
91 | void | |
92 | HttpRequest::init() | |
93 | { | |
c2a7cefd | 94 | method = Http::METHOD_NONE; |
0c3d3f65 | 95 | protocol = AnyP::PROTO_NONE; |
30abd221 | 96 | urlpath = NULL; |
a3f28359 | 97 | login[0] = '\0'; |
98 | host[0] = '\0'; | |
12ef783b | 99 | host_is_numeric = -1; |
2f1431ea | 100 | #if USE_AUTH |
a3f28359 | 101 | auth_user_request = NULL; |
2f1431ea | 102 | #endif |
a3f28359 | 103 | port = 0; |
104 | canonical = NULL; | |
a3f28359 | 105 | memset(&flags, '\0', sizeof(flags)); |
106 | range = NULL; | |
107 | ims = -1; | |
108 | imslen = 0; | |
5cafad19 | 109 | lastmod = -1; |
cc192b50 | 110 | client_addr.SetEmpty(); |
111 | my_addr.SetEmpty(); | |
5f8252d2 | 112 | body_pipe = NULL; |
a3f28359 | 113 | // hier |
3ff65596 | 114 | dnsWait = -1; |
a3f28359 | 115 | errType = ERR_NONE; |
64b66b76 | 116 | errDetail = ERR_DETAIL_NONE; |
5cafad19 | 117 | peer_login = NULL; // not allocated/deallocated by this class |
118 | peer_domain = NULL; // not allocated/deallocated by this class | |
593d3cdb | 119 | peer_host = NULL; |
a3f28359 | 120 | vary_headers = NULL; |
35fb56c9 | 121 | myportname = null_string; |
5cafad19 | 122 | tag = null_string; |
2f1431ea | 123 | #if USE_AUTH |
5cafad19 | 124 | extacl_user = null_string; |
125 | extacl_passwd = null_string; | |
2f1431ea | 126 | #endif |
5cafad19 | 127 | extacl_log = null_string; |
8c93a598 | 128 | extacl_message = null_string; |
c99de607 | 129 | pstate = psReadyToParseStartLine; |
3d674977 AJ |
130 | #if FOLLOW_X_FORWARDED_FOR |
131 | indirect_client_addr.SetEmpty(); | |
132 | #endif /* FOLLOW_X_FORWARDED_FOR */ | |
3ff65596 AR |
133 | #if USE_ADAPTATION |
134 | adaptHistory_ = NULL; | |
135 | #endif | |
136 | #if ICAP_CLIENT | |
137 | icapHistory_ = NULL; | |
138 | #endif | |
11e3fa1c | 139 | rangeOffsetLimit = -2; //a value of -2 means not checked yet |
8596962e | 140 | } |
141 | ||
99edd1c3 | 142 | void |
5cafad19 | 143 | HttpRequest::clean() |
99edd1c3 | 144 | { |
9e008dda | 145 | // we used to assert that the pipe is NULL, but now the request only |
5f8252d2 | 146 | // points to a pipe that is owned and initiated by another object. |
9e008dda | 147 | body_pipe = NULL; |
2f1431ea | 148 | #if USE_AUTH |
a33a428a | 149 | auth_user_request = NULL; |
2f1431ea | 150 | #endif |
8596962e | 151 | safe_free(canonical); |
62e76326 | 152 | |
8596962e | 153 | safe_free(vary_headers); |
62e76326 | 154 | |
30abd221 | 155 | urlpath.clean(); |
62e76326 | 156 | |
519e0948 | 157 | header.clean(); |
62e76326 | 158 | |
07947ad8 | 159 | if (cache_control) { |
3d7782c1 | 160 | delete cache_control; |
07947ad8 | 161 | cache_control = NULL; |
162 | } | |
62e76326 | 163 | |
5cafad19 | 164 | if (range) { |
8596962e | 165 | delete range; |
5cafad19 | 166 | range = NULL; |
167 | } | |
62e76326 | 168 | |
35fb56c9 AJ |
169 | myportname.clean(); |
170 | ||
cf9f0261 | 171 | helperNotes = NULL; |
d06e17ea | 172 | |
30abd221 | 173 | tag.clean(); |
2f1431ea | 174 | #if USE_AUTH |
30abd221 | 175 | extacl_user.clean(); |
30abd221 | 176 | extacl_passwd.clean(); |
2f1431ea | 177 | #endif |
30abd221 | 178 | extacl_log.clean(); |
3ff65596 | 179 | |
8c93a598 HN |
180 | extacl_message.clean(); |
181 | ||
3ff65596 AR |
182 | #if USE_ADAPTATION |
183 | adaptHistory_ = NULL; | |
184 | #endif | |
185 | #if ICAP_CLIENT | |
186 | icapHistory_ = NULL; | |
187 | #endif | |
8596962e | 188 | } |
4a972fa2 | 189 | |
5cafad19 | 190 | void |
191 | HttpRequest::reset() | |
192 | { | |
193 | clean(); | |
194 | init(); | |
195 | } | |
196 | ||
fa0e6114 AR |
197 | HttpRequest * |
198 | HttpRequest::clone() const | |
199 | { | |
b4f2886c | 200 | HttpRequest *copy = new HttpRequest(method, protocol, urlpath.termedBuf()); |
fa0e6114 AR |
201 | // TODO: move common cloning clone to Msg::copyTo() or copy ctor |
202 | copy->header.append(&header); | |
203 | copy->hdrCacheInit(); | |
204 | copy->hdr_sz = hdr_sz; | |
205 | copy->http_ver = http_ver; | |
206 | copy->pstate = pstate; // TODO: should we assert a specific state here? | |
207 | copy->body_pipe = body_pipe; | |
208 | ||
209 | strncpy(copy->login, login, sizeof(login)); // MAX_LOGIN_SZ | |
210 | strncpy(copy->host, host, sizeof(host)); // SQUIDHOSTNAMELEN | |
211 | copy->host_addr = host_addr; | |
212 | ||
fa0e6114 AR |
213 | copy->port = port; |
214 | // urlPath handled in ctor | |
9e008dda AJ |
215 | copy->canonical = canonical ? xstrdup(canonical) : NULL; |
216 | ||
66363092 | 217 | // range handled in hdrCacheInit() |
9e008dda AJ |
218 | copy->ims = ims; |
219 | copy->imslen = imslen; | |
fa0e6114 AR |
220 | copy->hier = hier; // Is it safe to copy? Should we? |
221 | ||
222 | copy->errType = errType; | |
223 | ||
224 | // XXX: what to do with copy->peer_login? | |
225 | ||
9e008dda | 226 | copy->lastmod = lastmod; |
fa0e6114 AR |
227 | copy->vary_headers = vary_headers ? xstrdup(vary_headers) : NULL; |
228 | // XXX: what to do with copy->peer_domain? | |
229 | ||
35fb56c9 | 230 | copy->myportname = myportname; |
cf9f0261 | 231 | copy->helperNotes = helperNotes; |
fa0e6114 | 232 | copy->tag = tag; |
2f1431ea | 233 | #if USE_AUTH |
fa0e6114 AR |
234 | copy->extacl_user = extacl_user; |
235 | copy->extacl_passwd = extacl_passwd; | |
2f1431ea | 236 | #endif |
fa0e6114 | 237 | copy->extacl_log = extacl_log; |
8c93a598 | 238 | copy->extacl_message = extacl_message; |
fa0e6114 | 239 | |
3ff65596 AR |
240 | assert(copy->inheritProperties(this)); |
241 | ||
fa0e6114 AR |
242 | return copy; |
243 | } | |
244 | ||
d5964067 AJ |
245 | bool |
246 | HttpRequest::inheritProperties(const HttpMsg *aMsg) | |
247 | { | |
248 | const HttpRequest* aReq = dynamic_cast<const HttpRequest*>(aMsg); | |
249 | if (!aReq) | |
250 | return false; | |
251 | ||
252 | client_addr = aReq->client_addr; | |
253 | #if FOLLOW_X_FORWARDED_FOR | |
254 | indirect_client_addr = aReq->indirect_client_addr; | |
d5964067 AJ |
255 | #endif |
256 | my_addr = aReq->my_addr; | |
257 | ||
258 | dnsWait = aReq->dnsWait; | |
259 | ||
260 | #if USE_ADAPTATION | |
261 | adaptHistory_ = aReq->adaptHistory(); | |
262 | #endif | |
263 | #if ICAP_CLIENT | |
264 | icapHistory_ = aReq->icapHistory(); | |
265 | #endif | |
266 | ||
267 | // This may be too conservative for the 204 No Content case | |
268 | // may eventually need cloneNullAdaptationImmune() for that. | |
269 | flags = aReq->flags.cloneAdaptationImmune(); | |
270 | ||
271 | errType = aReq->errType; | |
272 | errDetail = aReq->errDetail; | |
273 | #if USE_AUTH | |
274 | auth_user_request = aReq->auth_user_request; | |
275 | #endif | |
983983ce AJ |
276 | |
277 | // main property is which connection the request was received on (if any) | |
d5964067 | 278 | clientConnectionManager = aReq->clientConnectionManager; |
f4698e0b | 279 | |
d5964067 AJ |
280 | return true; |
281 | } | |
282 | ||
96ee497f AJ |
283 | /** |
284 | * Checks the first line of an HTTP request is valid | |
285 | * currently just checks the request method is present. | |
286 | * | |
287 | * NP: Other errors are left for detection later in the parse. | |
288 | */ | |
c21ad0f5 | 289 | bool |
955394ce | 290 | HttpRequest::sanityCheckStartLine(MemBuf *buf, const size_t hdr_len, Http::StatusCode *error) |
8596962e | 291 | { |
96ee497f AJ |
292 | // content is long enough to possibly hold a reply |
293 | // 2 being magic size of a 1-byte request method plus space delimiter | |
294 | if ( buf->contentSize() < 2 ) { | |
295 | // this is ony a real error if the headers apparently complete. | |
296 | if (hdr_len > 0) { | |
0246f6b8 | 297 | debugs(58, 3, HERE << "Too large request header (" << hdr_len << " bytes)"); |
955394ce | 298 | *error = Http::scInvalidHeader; |
96ee497f AJ |
299 | } |
300 | return false; | |
301 | } | |
8596962e | 302 | |
96ee497f | 303 | /* See if the request buffer starts with a known HTTP request method. */ |
c2a7cefd | 304 | if (HttpRequestMethod(buf->content(),NULL) == Http::METHOD_NONE) { |
bf8fe701 | 305 | debugs(73, 3, "HttpRequest::sanityCheckStartLine: did not find HTTP request method"); |
955394ce | 306 | *error = Http::scInvalidHeader; |
8596962e | 307 | return false; |
308 | } | |
309 | ||
310 | return true; | |
311 | } | |
312 | ||
c21ad0f5 | 313 | bool |
314 | HttpRequest::parseFirstLine(const char *start, const char *end) | |
8596962e | 315 | { |
863d85ee | 316 | const char *t = start + strcspn(start, w_space); |
985c86bc | 317 | method = HttpRequestMethod(start, t); |
863d85ee | 318 | |
c2a7cefd | 319 | if (method == Http::METHOD_NONE) |
863d85ee | 320 | return false; |
321 | ||
322 | start = t + strspn(t, w_space); | |
323 | ||
324 | const char *ver = findTrailingHTTPVersion(start, end); | |
325 | ||
326 | if (ver) { | |
327 | end = ver - 1; | |
328 | ||
329 | while (xisspace(*end)) // find prev non-space | |
5e263176 | 330 | --end; |
863d85ee | 331 | |
95dc7ff4 | 332 | ++end; // back to space |
863d85ee | 333 | |
334 | if (2 != sscanf(ver + 5, "%d.%d", &http_ver.major, &http_ver.minor)) { | |
e0236918 | 335 | debugs(73, DBG_IMPORTANT, "parseRequestLine: Invalid HTTP identifier."); |
863d85ee | 336 | return false; |
337 | } | |
338 | } else { | |
339 | http_ver.major = 0; | |
340 | http_ver.minor = 9; | |
341 | } | |
342 | ||
343 | if (end < start) // missing URI | |
344 | return false; | |
345 | ||
346 | char save = *end; | |
347 | ||
348 | * (char *) end = '\0'; // temp terminate URI, XXX dangerous? | |
349 | ||
350 | HttpRequest *tmp = urlParse(method, (char *) start, this); | |
351 | ||
352 | * (char *) end = save; | |
353 | ||
354 | if (NULL == tmp) | |
355 | return false; | |
356 | ||
357 | return true; | |
99edd1c3 | 358 | } |
359 | ||
99edd1c3 | 360 | int |
666f514b | 361 | HttpRequest::parseHeader(const char *parse_start, int len) |
99edd1c3 | 362 | { |
363 | const char *blk_start, *blk_end; | |
62e76326 | 364 | |
666f514b | 365 | if (!httpMsgIsolateHeaders(&parse_start, len, &blk_start, &blk_end)) |
62e76326 | 366 | return 0; |
367 | ||
a9925b40 | 368 | int result = header.parse(blk_start, blk_end); |
62e76326 | 369 | |
528b2c61 | 370 | if (result) |
07947ad8 | 371 | hdrCacheInit(); |
62e76326 | 372 | |
528b2c61 | 373 | return result; |
99edd1c3 | 374 | } |
375 | ||
a00a7c85 | 376 | /* swaps out request using httpRequestPack */ |
99edd1c3 | 377 | void |
5cafad19 | 378 | HttpRequest::swapOut(StoreEntry * e) |
99edd1c3 | 379 | { |
a00a7c85 | 380 | Packer p; |
5cafad19 | 381 | assert(e); |
a00a7c85 | 382 | packerToStoreInit(&p, e); |
5cafad19 | 383 | pack(&p); |
a00a7c85 | 384 | packerClean(&p); |
385 | } | |
386 | ||
387 | /* packs request-line and headers, appends <crlf> terminator */ | |
388 | void | |
5cafad19 | 389 | HttpRequest::pack(Packer * p) |
a00a7c85 | 390 | { |
5cafad19 | 391 | assert(p); |
a00a7c85 | 392 | /* pack request-line */ |
3872be7c AJ |
393 | packerPrintf(p, "%s " SQUIDSTRINGPH " HTTP/%d.%d\r\n", |
394 | RequestMethodStr(method), SQUIDSTRINGPRINT(urlpath), | |
395 | http_ver.major, http_ver.minor); | |
a00a7c85 | 396 | /* headers */ |
a9925b40 | 397 | header.packInto(p); |
2246b732 | 398 | /* trailer */ |
a00a7c85 | 399 | packerAppend(p, "\r\n", 2); |
2246b732 | 400 | } |
401 | ||
5cafad19 | 402 | /* |
403 | * A wrapper for debugObj() | |
404 | */ | |
2246b732 | 405 | void |
5cafad19 | 406 | httpRequestPack(void *obj, Packer *p) |
2246b732 | 407 | { |
5cafad19 | 408 | HttpRequest *request = static_cast<HttpRequest*>(obj); |
409 | request->pack(p); | |
99edd1c3 | 410 | } |
eeb423fb | 411 | |
2246b732 | 412 | /* returns the length of request line + headers + crlf */ |
413 | int | |
5cafad19 | 414 | HttpRequest::prefixLen() |
2246b732 | 415 | { |
60745f24 | 416 | return strlen(RequestMethodStr(method)) + 1 + |
5cafad19 | 417 | urlpath.size() + 1 + |
62e76326 | 418 | 4 + 1 + 3 + 2 + |
5cafad19 | 419 | header.len + 2; |
2246b732 | 420 | } |
99edd1c3 | 421 | |
190154cf | 422 | /* sync this routine when you update HttpRequest struct */ |
8596962e | 423 | void |
07947ad8 | 424 | HttpRequest::hdrCacheInit() |
528b2c61 | 425 | { |
07947ad8 | 426 | HttpMsg::hdrCacheInit(); |
62e76326 | 427 | |
66363092 | 428 | assert(!range); |
a9925b40 | 429 | range = header.getRange(); |
528b2c61 | 430 | } |
431 | ||
3ff65596 | 432 | #if ICAP_CLIENT |
e1381638 | 433 | Adaptation::Icap::History::Pointer |
3ff65596 AR |
434 | HttpRequest::icapHistory() const |
435 | { | |
436 | if (!icapHistory_) { | |
38e16f92 | 437 | if (Log::TheConfig.hasIcapToken || IcapLogfileStatus == LOG_ENABLE) { |
3ff65596 AR |
438 | icapHistory_ = new Adaptation::Icap::History(); |
439 | debugs(93,4, HERE << "made " << icapHistory_ << " for " << this); | |
440 | } | |
441 | } | |
442 | ||
443 | return icapHistory_; | |
444 | } | |
445 | #endif | |
446 | ||
447 | #if USE_ADAPTATION | |
e1381638 | 448 | Adaptation::History::Pointer |
a22e6cd3 | 449 | HttpRequest::adaptHistory(bool createIfNone) const |
3ff65596 | 450 | { |
a22e6cd3 AR |
451 | if (!adaptHistory_ && createIfNone) { |
452 | adaptHistory_ = new Adaptation::History(); | |
453 | debugs(93,4, HERE << "made " << adaptHistory_ << " for " << this); | |
3ff65596 AR |
454 | } |
455 | ||
456 | return adaptHistory_; | |
457 | } | |
a22e6cd3 | 458 | |
e1381638 | 459 | Adaptation::History::Pointer |
a22e6cd3 AR |
460 | HttpRequest::adaptLogHistory() const |
461 | { | |
38e16f92 | 462 | return HttpRequest::adaptHistory(Log::TheConfig.hasAdaptToken); |
a22e6cd3 AR |
463 | } |
464 | ||
aaf0559d AR |
465 | void |
466 | HttpRequest::adaptHistoryImport(const HttpRequest &them) | |
467 | { | |
468 | if (!adaptHistory_) { | |
469 | adaptHistory_ = them.adaptHistory_; // may be nil | |
470 | } else { | |
471 | // check that histories did not diverge | |
472 | Must(!them.adaptHistory_ || them.adaptHistory_ == adaptHistory_); | |
473 | } | |
474 | } | |
475 | ||
3ff65596 AR |
476 | #endif |
477 | ||
528b2c61 | 478 | bool |
190154cf | 479 | HttpRequest::multipartRangeRequest() const |
528b2c61 | 480 | { |
481 | return (range && range->specs.count > 1); | |
482 | } | |
8000a965 | 483 | |
58217e94 | 484 | bool |
9e008dda AJ |
485 | HttpRequest::bodyNibbled() const |
486 | { | |
58217e94 | 487 | return body_pipe != NULL && body_pipe->consumedSize() > 0; |
488 | } | |
5f8252d2 | 489 | |
64b66b76 CT |
490 | void |
491 | HttpRequest::detailError(err_type aType, int aDetail) | |
492 | { | |
493 | if (errType || errDetail) | |
494 | debugs(11, 5, HERE << "old error details: " << errType << '/' << errDetail); | |
495 | debugs(11, 5, HERE << "current error details: " << aType << '/' << aDetail); | |
496 | // checking type and detail separately may cause inconsistency, but | |
497 | // may result in more details available if they only become available later | |
498 | if (!errType) | |
499 | errType = aType; | |
500 | if (!errDetail) | |
501 | errDetail = aDetail; | |
502 | } | |
503 | ||
129fe2a1 CT |
504 | void |
505 | HttpRequest::clearError() | |
506 | { | |
507 | debugs(11, 7, HERE << "old error details: " << errType << '/' << errDetail); | |
508 | errType = ERR_NONE; | |
509 | errDetail = ERR_DETAIL_NONE; | |
510 | } | |
511 | ||
8596962e | 512 | const char *HttpRequest::packableURI(bool full_uri) const |
513 | { | |
514 | if (full_uri) | |
515 | return urlCanonical((HttpRequest*)this); | |
516 | ||
517 | if (urlpath.size()) | |
b4f2886c | 518 | return urlpath.termedBuf(); |
8596962e | 519 | |
520 | return "/"; | |
521 | } | |
522 | ||
523 | void HttpRequest::packFirstLineInto(Packer * p, bool full_uri) const | |
524 | { | |
525 | // form HTTP request-line | |
526 | packerPrintf(p, "%s %s HTTP/%d.%d\r\n", | |
60745f24 | 527 | RequestMethodStr(method), |
8596962e | 528 | packableURI(full_uri), |
529 | http_ver.major, http_ver.minor); | |
530 | } | |
8ddea643 | 531 | |
532 | /* | |
684e9c80 | 533 | * Indicate whether or not we would expect an entity-body |
8ddea643 | 534 | * along with this request |
535 | */ | |
536 | bool | |
60745f24 | 537 | HttpRequest::expectingBody(const HttpRequestMethod& unused, int64_t& theSize) const |
8ddea643 | 538 | { |
539 | bool expectBody = false; | |
540 | ||
541 | /* | |
684e9c80 HN |
542 | * Note: Checks for message validity is in clientIsContentLengthValid(). |
543 | * this just checks if a entity-body is expected based on HTTP message syntax | |
8ddea643 | 544 | */ |
684e9c80 | 545 | if (header.chunked()) { |
8ddea643 | 546 | expectBody = true; |
684e9c80 HN |
547 | theSize = -1; |
548 | } else if (content_length >= 0) { | |
8ddea643 | 549 | expectBody = true; |
684e9c80 HN |
550 | theSize = content_length; |
551 | } else { | |
8ddea643 | 552 | expectBody = false; |
684e9c80 | 553 | // theSize undefined |
8ddea643 | 554 | } |
555 | ||
556 | return expectBody; | |
557 | } | |
c21ad0f5 | 558 | |
559 | /* | |
560 | * Create a Request from a URL and METHOD. | |
561 | * | |
562 | * If the METHOD is CONNECT, then a host:port pair is looked for instead of a URL. | |
563 | * If the request cannot be created cleanly, NULL is returned | |
564 | */ | |
565 | HttpRequest * | |
60745f24 | 566 | HttpRequest::CreateFromUrlAndMethod(char * url, const HttpRequestMethod& method) |
c21ad0f5 | 567 | { |
568 | return urlParse(method, url, NULL); | |
569 | } | |
570 | ||
571 | /* | |
572 | * Create a Request from a URL. | |
573 | * | |
574 | * If the request cannot be created cleanly, NULL is returned | |
575 | */ | |
576 | HttpRequest * | |
577 | HttpRequest::CreateFromUrl(char * url) | |
578 | { | |
c2a7cefd | 579 | return urlParse(Http::METHOD_GET, url, NULL); |
c21ad0f5 | 580 | } |
610ee341 | 581 | |
c2a7cefd | 582 | /** |
610ee341 | 583 | * Are responses to this request possible cacheable ? |
584 | * If false then no matter what the response must not be cached. | |
585 | */ | |
586 | bool | |
c2a7cefd | 587 | HttpRequest::maybeCacheable() |
610ee341 | 588 | { |
2962f8b8 AJ |
589 | // Intercepted request with Host: header which cannot be trusted. |
590 | // Because it failed verification, or someone bypassed the security tests | |
591 | // we cannot cache the reponse for sharing between clients. | |
592 | // TODO: update cache to store for particular clients only (going to same Host: and destination IP) | |
0d901ef4 | 593 | if (!flags.hostVerified && (flags.intercepted || flags.interceptTproxy)) |
2962f8b8 AJ |
594 | return false; |
595 | ||
ffb82151 | 596 | switch (protocol) { |
c2a7cefd AJ |
597 | case AnyP::PROTO_HTTP: |
598 | if (!method.respMaybeCacheable()) | |
599 | return false; | |
9e008dda | 600 | |
c2a7cefd AJ |
601 | // XXX: this would seem the correct place to detect request cache-controls |
602 | // no-store, private and related which block cacheability | |
603 | break; | |
610ee341 | 604 | |
c2a7cefd AJ |
605 | case AnyP::PROTO_GOPHER: |
606 | if (!gopherCachable(this)) | |
607 | return false; | |
608 | break; | |
610ee341 | 609 | |
c2a7cefd | 610 | case AnyP::PROTO_CACHE_OBJECT: |
60745f24 | 611 | return false; |
610ee341 | 612 | |
ffb82151 | 613 | //case AnyP::PROTO_FTP: |
c2a7cefd AJ |
614 | default: |
615 | break; | |
616 | } | |
617 | ||
60745f24 | 618 | return true; |
610ee341 | 619 | } |
d67acb4e | 620 | |
79c8035e AR |
621 | bool |
622 | HttpRequest::conditional() const | |
623 | { | |
45e5102d | 624 | return flags.ims || |
b59e6847 A |
625 | header.has(HDR_IF_MATCH) || |
626 | header.has(HDR_IF_NONE_MATCH); | |
79c8035e AR |
627 | } |
628 | ||
d5964067 AJ |
629 | void |
630 | HttpRequest::recordLookup(const DnsLookupDetails &dns) | |
3ff65596 AR |
631 | { |
632 | if (dns.wait >= 0) { // known delay | |
633 | if (dnsWait >= 0) // have recorded DNS wait before | |
634 | dnsWait += dns.wait; | |
635 | else | |
636 | dnsWait = dns.wait; | |
637 | } | |
638 | } | |
11e3fa1c AJ |
639 | |
640 | int64_t | |
641 | HttpRequest::getRangeOffsetLimit() | |
642 | { | |
643 | /* -2 is the starting value of rangeOffsetLimit. | |
644 | * If it is -2, that means we haven't checked it yet. | |
645 | * Otherwise, return the current value */ | |
5e5f247c | 646 | if (rangeOffsetLimit != -2) |
11e3fa1c AJ |
647 | return rangeOffsetLimit; |
648 | ||
649 | rangeOffsetLimit = 0; // default value for rangeOffsetLimit | |
650 | ||
651 | ACLFilledChecklist ch(NULL, this, NULL); | |
652 | ch.src_addr = client_addr; | |
653 | ch.my_addr = my_addr; | |
654 | ||
1328cfb7 | 655 | for (AclSizeLimit *l = Config.rangeOffsetLimit; l; l = l -> next) { |
11e3fa1c | 656 | /* if there is no ACL list or if the ACLs listed match use this limit value */ |
2efeb0b7 | 657 | if (!l->aclList || ch.fastCheck(l->aclList) == ACCESS_ALLOWED) { |
11e3fa1c AJ |
658 | debugs(58, 4, HERE << "rangeOffsetLimit=" << rangeOffsetLimit); |
659 | rangeOffsetLimit = l->size; // may be -1 | |
660 | break; | |
661 | } | |
662 | } | |
663 | ||
664 | return rangeOffsetLimit; | |
665 | } | |
655daa06 AR |
666 | |
667 | bool | |
668 | HttpRequest::canHandle1xx() const | |
669 | { | |
670 | // old clients do not support 1xx unless they sent Expect: 100-continue | |
671 | // (we reject all other HDR_EXPECT values so just check for HDR_EXPECT) | |
526ed14e | 672 | if (http_ver <= Http::ProtocolVersion(1,0) && !header.has(HDR_EXPECT)) |
655daa06 AR |
673 | return false; |
674 | ||
675 | // others must support 1xx control messages | |
676 | return true; | |
677 | } | |
582c2af2 FC |
678 | |
679 | ConnStateData * | |
b0fb853f A |
680 | HttpRequest::pinnedConnection() |
681 | { | |
582c2af2 FC |
682 | if (clientConnectionManager.valid() && clientConnectionManager->pinning.pinned) |
683 | return clientConnectionManager.get(); | |
684 | return NULL; | |
685 | } | |
a8a0b1c2 EC |
686 | |
687 | const char * | |
688 | HttpRequest::storeId() | |
689 | { | |
690 | if (store_id.size() != 0) { | |
691 | debugs(73, 3, "sent back store_id:" << store_id); | |
692 | ||
693 | return store_id.termedBuf(); | |
694 | } | |
695 | debugs(73, 3, "sent back canonicalUrl:" << urlCanonical(this) ); | |
696 | ||
697 | return urlCanonical(this); | |
698 | } |