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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 | 60 | HttpRequest::HttpRequest() : |
f4f55a21 | 61 | HttpMsg(hoRequest) |
75faaa7a | 62 | { |
5cafad19 | 63 | init(); |
64 | } | |
65 | ||
d06e17ea | 66 | HttpRequest::HttpRequest(const HttpRequestMethod& aMethod, AnyP::ProtocolType aProtocol, const char *aUrlpath) : |
f4f55a21 | 67 | HttpMsg(hoRequest) |
5cafad19 | 68 | { |
5dfc3258 AR |
69 | static unsigned int id = 1; |
70 | debugs(93,7, HERE << "constructed, this=" << this << " id=" << ++id); | |
5cafad19 | 71 | init(); |
0e8aad88 | 72 | initHTTP(aMethod, aProtocol, aUrlpath); |
5cafad19 | 73 | } |
74 | ||
75 | HttpRequest::~HttpRequest() | |
76 | { | |
5cafad19 | 77 | clean(); |
5dfc3258 | 78 | debugs(93,7, HERE << "destructed, this=" << this); |
5cafad19 | 79 | } |
80 | ||
81 | void | |
0c3d3f65 | 82 | HttpRequest::initHTTP(const HttpRequestMethod& aMethod, AnyP::ProtocolType aProtocol, const char *aUrlpath) |
5cafad19 | 83 | { |
84 | method = aMethod; | |
85 | protocol = aProtocol; | |
86 | urlpath = aUrlpath; | |
87 | } | |
88 | ||
89 | void | |
90 | HttpRequest::init() | |
91 | { | |
c2a7cefd | 92 | method = Http::METHOD_NONE; |
0c3d3f65 | 93 | protocol = AnyP::PROTO_NONE; |
30abd221 | 94 | urlpath = NULL; |
a3f28359 | 95 | login[0] = '\0'; |
96 | host[0] = '\0'; | |
12ef783b | 97 | host_is_numeric = -1; |
2f1431ea | 98 | #if USE_AUTH |
a3f28359 | 99 | auth_user_request = NULL; |
2f1431ea | 100 | #endif |
a3f28359 | 101 | port = 0; |
102 | canonical = NULL; | |
a3f28359 | 103 | memset(&flags, '\0', sizeof(flags)); |
104 | range = NULL; | |
105 | ims = -1; | |
106 | imslen = 0; | |
5cafad19 | 107 | lastmod = -1; |
4dd643d5 AJ |
108 | client_addr.setEmpty(); |
109 | my_addr.setEmpty(); | |
5f8252d2 | 110 | body_pipe = NULL; |
a3f28359 | 111 | // hier |
3ff65596 | 112 | dnsWait = -1; |
a3f28359 | 113 | errType = ERR_NONE; |
64b66b76 | 114 | errDetail = ERR_DETAIL_NONE; |
5cafad19 | 115 | peer_login = NULL; // not allocated/deallocated by this class |
116 | peer_domain = NULL; // not allocated/deallocated by this class | |
593d3cdb | 117 | peer_host = NULL; |
a3f28359 | 118 | vary_headers = NULL; |
35fb56c9 | 119 | myportname = null_string; |
5cafad19 | 120 | tag = null_string; |
2f1431ea | 121 | #if USE_AUTH |
5cafad19 | 122 | extacl_user = null_string; |
123 | extacl_passwd = null_string; | |
2f1431ea | 124 | #endif |
5cafad19 | 125 | extacl_log = null_string; |
8c93a598 | 126 | extacl_message = null_string; |
c99de607 | 127 | pstate = psReadyToParseStartLine; |
3d674977 | 128 | #if FOLLOW_X_FORWARDED_FOR |
4dd643d5 | 129 | indirect_client_addr.setEmpty(); |
3d674977 | 130 | #endif /* FOLLOW_X_FORWARDED_FOR */ |
3ff65596 AR |
131 | #if USE_ADAPTATION |
132 | adaptHistory_ = NULL; | |
133 | #endif | |
134 | #if ICAP_CLIENT | |
135 | icapHistory_ = NULL; | |
136 | #endif | |
11e3fa1c | 137 | rangeOffsetLimit = -2; //a value of -2 means not checked yet |
8596962e | 138 | } |
139 | ||
99edd1c3 | 140 | void |
5cafad19 | 141 | HttpRequest::clean() |
99edd1c3 | 142 | { |
9e008dda | 143 | // we used to assert that the pipe is NULL, but now the request only |
5f8252d2 | 144 | // points to a pipe that is owned and initiated by another object. |
9e008dda | 145 | body_pipe = NULL; |
2f1431ea | 146 | #if USE_AUTH |
a33a428a | 147 | auth_user_request = NULL; |
2f1431ea | 148 | #endif |
8596962e | 149 | safe_free(canonical); |
62e76326 | 150 | |
8596962e | 151 | safe_free(vary_headers); |
62e76326 | 152 | |
30abd221 | 153 | urlpath.clean(); |
62e76326 | 154 | |
519e0948 | 155 | header.clean(); |
62e76326 | 156 | |
07947ad8 | 157 | if (cache_control) { |
3d7782c1 | 158 | delete cache_control; |
07947ad8 | 159 | cache_control = NULL; |
160 | } | |
62e76326 | 161 | |
5cafad19 | 162 | if (range) { |
8596962e | 163 | delete range; |
5cafad19 | 164 | range = NULL; |
165 | } | |
62e76326 | 166 | |
35fb56c9 AJ |
167 | myportname.clean(); |
168 | ||
f4f55a21 | 169 | notes = NULL; |
d06e17ea | 170 | |
30abd221 | 171 | tag.clean(); |
2f1431ea | 172 | #if USE_AUTH |
30abd221 | 173 | extacl_user.clean(); |
30abd221 | 174 | extacl_passwd.clean(); |
2f1431ea | 175 | #endif |
30abd221 | 176 | extacl_log.clean(); |
3ff65596 | 177 | |
8c93a598 HN |
178 | extacl_message.clean(); |
179 | ||
3ff65596 AR |
180 | #if USE_ADAPTATION |
181 | adaptHistory_ = NULL; | |
182 | #endif | |
183 | #if ICAP_CLIENT | |
184 | icapHistory_ = NULL; | |
185 | #endif | |
8596962e | 186 | } |
4a972fa2 | 187 | |
5cafad19 | 188 | void |
189 | HttpRequest::reset() | |
190 | { | |
191 | clean(); | |
192 | init(); | |
193 | } | |
194 | ||
fa0e6114 AR |
195 | HttpRequest * |
196 | HttpRequest::clone() const | |
197 | { | |
b4f2886c | 198 | HttpRequest *copy = new HttpRequest(method, protocol, urlpath.termedBuf()); |
fa0e6114 AR |
199 | // TODO: move common cloning clone to Msg::copyTo() or copy ctor |
200 | copy->header.append(&header); | |
201 | copy->hdrCacheInit(); | |
202 | copy->hdr_sz = hdr_sz; | |
203 | copy->http_ver = http_ver; | |
204 | copy->pstate = pstate; // TODO: should we assert a specific state here? | |
205 | copy->body_pipe = body_pipe; | |
206 | ||
207 | strncpy(copy->login, login, sizeof(login)); // MAX_LOGIN_SZ | |
208 | strncpy(copy->host, host, sizeof(host)); // SQUIDHOSTNAMELEN | |
209 | copy->host_addr = host_addr; | |
210 | ||
fa0e6114 AR |
211 | copy->port = port; |
212 | // urlPath handled in ctor | |
9e008dda AJ |
213 | copy->canonical = canonical ? xstrdup(canonical) : NULL; |
214 | ||
66363092 | 215 | // range handled in hdrCacheInit() |
9e008dda AJ |
216 | copy->ims = ims; |
217 | copy->imslen = imslen; | |
fa0e6114 AR |
218 | copy->hier = hier; // Is it safe to copy? Should we? |
219 | ||
220 | copy->errType = errType; | |
221 | ||
222 | // XXX: what to do with copy->peer_login? | |
223 | ||
9e008dda | 224 | copy->lastmod = lastmod; |
fa0e6114 AR |
225 | copy->vary_headers = vary_headers ? xstrdup(vary_headers) : NULL; |
226 | // XXX: what to do with copy->peer_domain? | |
227 | ||
35fb56c9 | 228 | copy->myportname = myportname; |
fa0e6114 | 229 | copy->tag = tag; |
fa0e6114 | 230 | copy->extacl_log = extacl_log; |
8c93a598 | 231 | copy->extacl_message = extacl_message; |
fa0e6114 | 232 | |
fbc1c5a6 AJ |
233 | const bool inheritWorked = copy->inheritProperties(this); |
234 | assert(inheritWorked); | |
3ff65596 | 235 | |
fa0e6114 AR |
236 | return copy; |
237 | } | |
238 | ||
d5964067 AJ |
239 | bool |
240 | HttpRequest::inheritProperties(const HttpMsg *aMsg) | |
241 | { | |
242 | const HttpRequest* aReq = dynamic_cast<const HttpRequest*>(aMsg); | |
243 | if (!aReq) | |
244 | return false; | |
245 | ||
246 | client_addr = aReq->client_addr; | |
247 | #if FOLLOW_X_FORWARDED_FOR | |
248 | indirect_client_addr = aReq->indirect_client_addr; | |
d5964067 AJ |
249 | #endif |
250 | my_addr = aReq->my_addr; | |
251 | ||
252 | dnsWait = aReq->dnsWait; | |
253 | ||
254 | #if USE_ADAPTATION | |
255 | adaptHistory_ = aReq->adaptHistory(); | |
256 | #endif | |
257 | #if ICAP_CLIENT | |
258 | icapHistory_ = aReq->icapHistory(); | |
259 | #endif | |
260 | ||
261 | // This may be too conservative for the 204 No Content case | |
262 | // may eventually need cloneNullAdaptationImmune() for that. | |
263 | flags = aReq->flags.cloneAdaptationImmune(); | |
264 | ||
265 | errType = aReq->errType; | |
266 | errDetail = aReq->errDetail; | |
267 | #if USE_AUTH | |
268 | auth_user_request = aReq->auth_user_request; | |
d27929a8 NH |
269 | copy->extacl_user = extacl_user; |
270 | copy->extacl_passwd = extacl_passwd; | |
d5964067 | 271 | #endif |
983983ce AJ |
272 | |
273 | // main property is which connection the request was received on (if any) | |
d5964067 | 274 | clientConnectionManager = aReq->clientConnectionManager; |
f4698e0b | 275 | |
f4f55a21 | 276 | notes = aReq->notes; |
d5964067 AJ |
277 | return true; |
278 | } | |
279 | ||
96ee497f AJ |
280 | /** |
281 | * Checks the first line of an HTTP request is valid | |
282 | * currently just checks the request method is present. | |
283 | * | |
284 | * NP: Other errors are left for detection later in the parse. | |
285 | */ | |
c21ad0f5 | 286 | bool |
955394ce | 287 | HttpRequest::sanityCheckStartLine(MemBuf *buf, const size_t hdr_len, Http::StatusCode *error) |
8596962e | 288 | { |
96ee497f AJ |
289 | // content is long enough to possibly hold a reply |
290 | // 2 being magic size of a 1-byte request method plus space delimiter | |
291 | if ( buf->contentSize() < 2 ) { | |
292 | // this is ony a real error if the headers apparently complete. | |
293 | if (hdr_len > 0) { | |
0246f6b8 | 294 | debugs(58, 3, HERE << "Too large request header (" << hdr_len << " bytes)"); |
955394ce | 295 | *error = Http::scInvalidHeader; |
96ee497f AJ |
296 | } |
297 | return false; | |
298 | } | |
8596962e | 299 | |
96ee497f | 300 | /* See if the request buffer starts with a known HTTP request method. */ |
c2a7cefd | 301 | if (HttpRequestMethod(buf->content(),NULL) == Http::METHOD_NONE) { |
bf8fe701 | 302 | debugs(73, 3, "HttpRequest::sanityCheckStartLine: did not find HTTP request method"); |
955394ce | 303 | *error = Http::scInvalidHeader; |
8596962e | 304 | return false; |
305 | } | |
306 | ||
307 | return true; | |
308 | } | |
309 | ||
c21ad0f5 | 310 | bool |
311 | HttpRequest::parseFirstLine(const char *start, const char *end) | |
8596962e | 312 | { |
863d85ee | 313 | const char *t = start + strcspn(start, w_space); |
985c86bc | 314 | method = HttpRequestMethod(start, t); |
863d85ee | 315 | |
c2a7cefd | 316 | if (method == Http::METHOD_NONE) |
863d85ee | 317 | return false; |
318 | ||
319 | start = t + strspn(t, w_space); | |
320 | ||
321 | const char *ver = findTrailingHTTPVersion(start, end); | |
322 | ||
323 | if (ver) { | |
324 | end = ver - 1; | |
325 | ||
326 | while (xisspace(*end)) // find prev non-space | |
5e263176 | 327 | --end; |
863d85ee | 328 | |
95dc7ff4 | 329 | ++end; // back to space |
863d85ee | 330 | |
331 | if (2 != sscanf(ver + 5, "%d.%d", &http_ver.major, &http_ver.minor)) { | |
e0236918 | 332 | debugs(73, DBG_IMPORTANT, "parseRequestLine: Invalid HTTP identifier."); |
863d85ee | 333 | return false; |
334 | } | |
335 | } else { | |
336 | http_ver.major = 0; | |
337 | http_ver.minor = 9; | |
338 | } | |
339 | ||
340 | if (end < start) // missing URI | |
341 | return false; | |
342 | ||
343 | char save = *end; | |
344 | ||
345 | * (char *) end = '\0'; // temp terminate URI, XXX dangerous? | |
346 | ||
347 | HttpRequest *tmp = urlParse(method, (char *) start, this); | |
348 | ||
349 | * (char *) end = save; | |
350 | ||
351 | if (NULL == tmp) | |
352 | return false; | |
353 | ||
354 | return true; | |
99edd1c3 | 355 | } |
356 | ||
99edd1c3 | 357 | int |
666f514b | 358 | HttpRequest::parseHeader(const char *parse_start, int len) |
99edd1c3 | 359 | { |
360 | const char *blk_start, *blk_end; | |
62e76326 | 361 | |
666f514b | 362 | if (!httpMsgIsolateHeaders(&parse_start, len, &blk_start, &blk_end)) |
62e76326 | 363 | return 0; |
364 | ||
a9925b40 | 365 | int result = header.parse(blk_start, blk_end); |
62e76326 | 366 | |
528b2c61 | 367 | if (result) |
07947ad8 | 368 | hdrCacheInit(); |
62e76326 | 369 | |
528b2c61 | 370 | return result; |
99edd1c3 | 371 | } |
372 | ||
a00a7c85 | 373 | /* swaps out request using httpRequestPack */ |
99edd1c3 | 374 | void |
5cafad19 | 375 | HttpRequest::swapOut(StoreEntry * e) |
99edd1c3 | 376 | { |
a00a7c85 | 377 | Packer p; |
5cafad19 | 378 | assert(e); |
a00a7c85 | 379 | packerToStoreInit(&p, e); |
5cafad19 | 380 | pack(&p); |
a00a7c85 | 381 | packerClean(&p); |
382 | } | |
383 | ||
384 | /* packs request-line and headers, appends <crlf> terminator */ | |
385 | void | |
5cafad19 | 386 | HttpRequest::pack(Packer * p) |
a00a7c85 | 387 | { |
5cafad19 | 388 | assert(p); |
a00a7c85 | 389 | /* pack request-line */ |
3872be7c AJ |
390 | packerPrintf(p, "%s " SQUIDSTRINGPH " HTTP/%d.%d\r\n", |
391 | RequestMethodStr(method), SQUIDSTRINGPRINT(urlpath), | |
392 | http_ver.major, http_ver.minor); | |
a00a7c85 | 393 | /* headers */ |
a9925b40 | 394 | header.packInto(p); |
2246b732 | 395 | /* trailer */ |
a00a7c85 | 396 | packerAppend(p, "\r\n", 2); |
2246b732 | 397 | } |
398 | ||
5cafad19 | 399 | /* |
400 | * A wrapper for debugObj() | |
401 | */ | |
2246b732 | 402 | void |
5cafad19 | 403 | httpRequestPack(void *obj, Packer *p) |
2246b732 | 404 | { |
5cafad19 | 405 | HttpRequest *request = static_cast<HttpRequest*>(obj); |
406 | request->pack(p); | |
99edd1c3 | 407 | } |
eeb423fb | 408 | |
2246b732 | 409 | /* returns the length of request line + headers + crlf */ |
410 | int | |
5cafad19 | 411 | HttpRequest::prefixLen() |
2246b732 | 412 | { |
60745f24 | 413 | return strlen(RequestMethodStr(method)) + 1 + |
5cafad19 | 414 | urlpath.size() + 1 + |
62e76326 | 415 | 4 + 1 + 3 + 2 + |
5cafad19 | 416 | header.len + 2; |
2246b732 | 417 | } |
99edd1c3 | 418 | |
190154cf | 419 | /* sync this routine when you update HttpRequest struct */ |
8596962e | 420 | void |
07947ad8 | 421 | HttpRequest::hdrCacheInit() |
528b2c61 | 422 | { |
07947ad8 | 423 | HttpMsg::hdrCacheInit(); |
62e76326 | 424 | |
66363092 | 425 | assert(!range); |
a9925b40 | 426 | range = header.getRange(); |
528b2c61 | 427 | } |
428 | ||
3ff65596 | 429 | #if ICAP_CLIENT |
e1381638 | 430 | Adaptation::Icap::History::Pointer |
3ff65596 AR |
431 | HttpRequest::icapHistory() const |
432 | { | |
433 | if (!icapHistory_) { | |
38e16f92 | 434 | if (Log::TheConfig.hasIcapToken || IcapLogfileStatus == LOG_ENABLE) { |
3ff65596 AR |
435 | icapHistory_ = new Adaptation::Icap::History(); |
436 | debugs(93,4, HERE << "made " << icapHistory_ << " for " << this); | |
437 | } | |
438 | } | |
439 | ||
440 | return icapHistory_; | |
441 | } | |
442 | #endif | |
443 | ||
444 | #if USE_ADAPTATION | |
e1381638 | 445 | Adaptation::History::Pointer |
a22e6cd3 | 446 | HttpRequest::adaptHistory(bool createIfNone) const |
3ff65596 | 447 | { |
a22e6cd3 AR |
448 | if (!adaptHistory_ && createIfNone) { |
449 | adaptHistory_ = new Adaptation::History(); | |
450 | debugs(93,4, HERE << "made " << adaptHistory_ << " for " << this); | |
3ff65596 AR |
451 | } |
452 | ||
453 | return adaptHistory_; | |
454 | } | |
a22e6cd3 | 455 | |
e1381638 | 456 | Adaptation::History::Pointer |
a22e6cd3 AR |
457 | HttpRequest::adaptLogHistory() const |
458 | { | |
38e16f92 | 459 | return HttpRequest::adaptHistory(Log::TheConfig.hasAdaptToken); |
a22e6cd3 AR |
460 | } |
461 | ||
aaf0559d AR |
462 | void |
463 | HttpRequest::adaptHistoryImport(const HttpRequest &them) | |
464 | { | |
465 | if (!adaptHistory_) { | |
466 | adaptHistory_ = them.adaptHistory_; // may be nil | |
467 | } else { | |
468 | // check that histories did not diverge | |
469 | Must(!them.adaptHistory_ || them.adaptHistory_ == adaptHistory_); | |
470 | } | |
471 | } | |
472 | ||
3ff65596 AR |
473 | #endif |
474 | ||
528b2c61 | 475 | bool |
190154cf | 476 | HttpRequest::multipartRangeRequest() const |
528b2c61 | 477 | { |
478 | return (range && range->specs.count > 1); | |
479 | } | |
8000a965 | 480 | |
58217e94 | 481 | bool |
9e008dda AJ |
482 | HttpRequest::bodyNibbled() const |
483 | { | |
58217e94 | 484 | return body_pipe != NULL && body_pipe->consumedSize() > 0; |
485 | } | |
5f8252d2 | 486 | |
64b66b76 CT |
487 | void |
488 | HttpRequest::detailError(err_type aType, int aDetail) | |
489 | { | |
490 | if (errType || errDetail) | |
491 | debugs(11, 5, HERE << "old error details: " << errType << '/' << errDetail); | |
492 | debugs(11, 5, HERE << "current error details: " << aType << '/' << aDetail); | |
493 | // checking type and detail separately may cause inconsistency, but | |
494 | // may result in more details available if they only become available later | |
495 | if (!errType) | |
496 | errType = aType; | |
497 | if (!errDetail) | |
498 | errDetail = aDetail; | |
499 | } | |
500 | ||
129fe2a1 CT |
501 | void |
502 | HttpRequest::clearError() | |
503 | { | |
504 | debugs(11, 7, HERE << "old error details: " << errType << '/' << errDetail); | |
505 | errType = ERR_NONE; | |
506 | errDetail = ERR_DETAIL_NONE; | |
507 | } | |
508 | ||
8596962e | 509 | const char *HttpRequest::packableURI(bool full_uri) const |
510 | { | |
511 | if (full_uri) | |
512 | return urlCanonical((HttpRequest*)this); | |
513 | ||
514 | if (urlpath.size()) | |
b4f2886c | 515 | return urlpath.termedBuf(); |
8596962e | 516 | |
517 | return "/"; | |
518 | } | |
519 | ||
520 | void HttpRequest::packFirstLineInto(Packer * p, bool full_uri) const | |
521 | { | |
522 | // form HTTP request-line | |
523 | packerPrintf(p, "%s %s HTTP/%d.%d\r\n", | |
60745f24 | 524 | RequestMethodStr(method), |
8596962e | 525 | packableURI(full_uri), |
526 | http_ver.major, http_ver.minor); | |
527 | } | |
8ddea643 | 528 | |
529 | /* | |
684e9c80 | 530 | * Indicate whether or not we would expect an entity-body |
8ddea643 | 531 | * along with this request |
532 | */ | |
533 | bool | |
60745f24 | 534 | HttpRequest::expectingBody(const HttpRequestMethod& unused, int64_t& theSize) const |
8ddea643 | 535 | { |
536 | bool expectBody = false; | |
537 | ||
538 | /* | |
684e9c80 HN |
539 | * Note: Checks for message validity is in clientIsContentLengthValid(). |
540 | * this just checks if a entity-body is expected based on HTTP message syntax | |
8ddea643 | 541 | */ |
684e9c80 | 542 | if (header.chunked()) { |
8ddea643 | 543 | expectBody = true; |
684e9c80 HN |
544 | theSize = -1; |
545 | } else if (content_length >= 0) { | |
8ddea643 | 546 | expectBody = true; |
684e9c80 HN |
547 | theSize = content_length; |
548 | } else { | |
8ddea643 | 549 | expectBody = false; |
684e9c80 | 550 | // theSize undefined |
8ddea643 | 551 | } |
552 | ||
553 | return expectBody; | |
554 | } | |
c21ad0f5 | 555 | |
556 | /* | |
557 | * Create a Request from a URL and METHOD. | |
558 | * | |
559 | * If the METHOD is CONNECT, then a host:port pair is looked for instead of a URL. | |
560 | * If the request cannot be created cleanly, NULL is returned | |
561 | */ | |
562 | HttpRequest * | |
60745f24 | 563 | HttpRequest::CreateFromUrlAndMethod(char * url, const HttpRequestMethod& method) |
c21ad0f5 | 564 | { |
565 | return urlParse(method, url, NULL); | |
566 | } | |
567 | ||
568 | /* | |
569 | * Create a Request from a URL. | |
570 | * | |
571 | * If the request cannot be created cleanly, NULL is returned | |
572 | */ | |
573 | HttpRequest * | |
574 | HttpRequest::CreateFromUrl(char * url) | |
575 | { | |
c2a7cefd | 576 | return urlParse(Http::METHOD_GET, url, NULL); |
c21ad0f5 | 577 | } |
610ee341 | 578 | |
c2a7cefd | 579 | /** |
610ee341 | 580 | * Are responses to this request possible cacheable ? |
581 | * If false then no matter what the response must not be cached. | |
582 | */ | |
583 | bool | |
c2a7cefd | 584 | HttpRequest::maybeCacheable() |
610ee341 | 585 | { |
2962f8b8 AJ |
586 | // Intercepted request with Host: header which cannot be trusted. |
587 | // Because it failed verification, or someone bypassed the security tests | |
588 | // we cannot cache the reponse for sharing between clients. | |
589 | // TODO: update cache to store for particular clients only (going to same Host: and destination IP) | |
0d901ef4 | 590 | if (!flags.hostVerified && (flags.intercepted || flags.interceptTproxy)) |
2962f8b8 AJ |
591 | return false; |
592 | ||
ffb82151 | 593 | switch (protocol) { |
c2a7cefd AJ |
594 | case AnyP::PROTO_HTTP: |
595 | if (!method.respMaybeCacheable()) | |
596 | return false; | |
9e008dda | 597 | |
c2a7cefd AJ |
598 | // XXX: this would seem the correct place to detect request cache-controls |
599 | // no-store, private and related which block cacheability | |
600 | break; | |
610ee341 | 601 | |
c2a7cefd AJ |
602 | case AnyP::PROTO_GOPHER: |
603 | if (!gopherCachable(this)) | |
604 | return false; | |
605 | break; | |
610ee341 | 606 | |
c2a7cefd | 607 | case AnyP::PROTO_CACHE_OBJECT: |
60745f24 | 608 | return false; |
610ee341 | 609 | |
ffb82151 | 610 | //case AnyP::PROTO_FTP: |
c2a7cefd AJ |
611 | default: |
612 | break; | |
613 | } | |
614 | ||
60745f24 | 615 | return true; |
610ee341 | 616 | } |
d67acb4e | 617 | |
79c8035e AR |
618 | bool |
619 | HttpRequest::conditional() const | |
620 | { | |
45e5102d | 621 | return flags.ims || |
b59e6847 A |
622 | header.has(HDR_IF_MATCH) || |
623 | header.has(HDR_IF_NONE_MATCH); | |
79c8035e AR |
624 | } |
625 | ||
d5964067 AJ |
626 | void |
627 | HttpRequest::recordLookup(const DnsLookupDetails &dns) | |
3ff65596 AR |
628 | { |
629 | if (dns.wait >= 0) { // known delay | |
630 | if (dnsWait >= 0) // have recorded DNS wait before | |
631 | dnsWait += dns.wait; | |
632 | else | |
633 | dnsWait = dns.wait; | |
634 | } | |
635 | } | |
11e3fa1c AJ |
636 | |
637 | int64_t | |
638 | HttpRequest::getRangeOffsetLimit() | |
639 | { | |
640 | /* -2 is the starting value of rangeOffsetLimit. | |
641 | * If it is -2, that means we haven't checked it yet. | |
642 | * Otherwise, return the current value */ | |
5e5f247c | 643 | if (rangeOffsetLimit != -2) |
11e3fa1c AJ |
644 | return rangeOffsetLimit; |
645 | ||
646 | rangeOffsetLimit = 0; // default value for rangeOffsetLimit | |
647 | ||
648 | ACLFilledChecklist ch(NULL, this, NULL); | |
649 | ch.src_addr = client_addr; | |
650 | ch.my_addr = my_addr; | |
651 | ||
1328cfb7 | 652 | for (AclSizeLimit *l = Config.rangeOffsetLimit; l; l = l -> next) { |
11e3fa1c | 653 | /* if there is no ACL list or if the ACLs listed match use this limit value */ |
2efeb0b7 | 654 | if (!l->aclList || ch.fastCheck(l->aclList) == ACCESS_ALLOWED) { |
11e3fa1c AJ |
655 | debugs(58, 4, HERE << "rangeOffsetLimit=" << rangeOffsetLimit); |
656 | rangeOffsetLimit = l->size; // may be -1 | |
657 | break; | |
658 | } | |
659 | } | |
660 | ||
661 | return rangeOffsetLimit; | |
662 | } | |
655daa06 AR |
663 | |
664 | bool | |
665 | HttpRequest::canHandle1xx() const | |
666 | { | |
667 | // old clients do not support 1xx unless they sent Expect: 100-continue | |
668 | // (we reject all other HDR_EXPECT values so just check for HDR_EXPECT) | |
526ed14e | 669 | if (http_ver <= Http::ProtocolVersion(1,0) && !header.has(HDR_EXPECT)) |
655daa06 AR |
670 | return false; |
671 | ||
672 | // others must support 1xx control messages | |
673 | return true; | |
674 | } | |
582c2af2 FC |
675 | |
676 | ConnStateData * | |
b0fb853f A |
677 | HttpRequest::pinnedConnection() |
678 | { | |
582c2af2 FC |
679 | if (clientConnectionManager.valid() && clientConnectionManager->pinning.pinned) |
680 | return clientConnectionManager.get(); | |
681 | return NULL; | |
682 | } | |
a8a0b1c2 EC |
683 | |
684 | const char * | |
685 | HttpRequest::storeId() | |
686 | { | |
687 | if (store_id.size() != 0) { | |
688 | debugs(73, 3, "sent back store_id:" << store_id); | |
689 | ||
690 | return store_id.termedBuf(); | |
691 | } | |
692 | debugs(73, 3, "sent back canonicalUrl:" << urlCanonical(this) ); | |
693 | ||
694 | return urlCanonical(this); | |
695 | } |