1 /* 2 * Copyright (C) 2006, 2008 Apple Inc. All rights reserved. 3 * Copyright (C) 2009 Google Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include "config.h" 28 #include "platform/network/ResourceResponse.h" 29 30 #include "wtf/CurrentTime.h" 31 #include "wtf/StdLibExtras.h" 32 33 namespace WebCore { 34 35 ResourceResponse::ResourceResponse() 36 : m_expectedContentLength(0) 37 , m_httpStatusCode(0) 38 , m_lastModifiedDate(0) 39 , m_wasCached(false) 40 , m_connectionID(0) 41 , m_connectionReused(false) 42 , m_isNull(true) 43 , m_haveParsedAgeHeader(false) 44 , m_haveParsedDateHeader(false) 45 , m_haveParsedExpiresHeader(false) 46 , m_haveParsedLastModifiedHeader(false) 47 , m_age(0.0) 48 , m_date(0.0) 49 , m_expires(0.0) 50 , m_lastModified(0.0) 51 , m_httpVersion(Unknown) 52 , m_appCacheID(0) 53 , m_isMultipartPayload(false) 54 , m_wasFetchedViaSPDY(false) 55 , m_wasNpnNegotiated(false) 56 , m_wasAlternateProtocolAvailable(false) 57 , m_wasFetchedViaProxy(false) 58 , m_responseTime(0) 59 , m_remotePort(0) 60 { 61 } 62 63 ResourceResponse::ResourceResponse(const KURL& url, const AtomicString& mimeType, long long expectedLength, const AtomicString& textEncodingName, const String& filename) 64 : m_url(url) 65 , m_mimeType(mimeType) 66 , m_expectedContentLength(expectedLength) 67 , m_textEncodingName(textEncodingName) 68 , m_suggestedFilename(filename) 69 , m_httpStatusCode(0) 70 , m_lastModifiedDate(0) 71 , m_wasCached(false) 72 , m_connectionID(0) 73 , m_connectionReused(false) 74 , m_isNull(false) 75 , m_haveParsedAgeHeader(false) 76 , m_haveParsedDateHeader(false) 77 , m_haveParsedExpiresHeader(false) 78 , m_haveParsedLastModifiedHeader(false) 79 , m_age(0.0) 80 , m_date(0.0) 81 , m_expires(0.0) 82 , m_lastModified(0.0) 83 , m_httpVersion(Unknown) 84 , m_appCacheID(0) 85 , m_isMultipartPayload(false) 86 , m_wasFetchedViaSPDY(false) 87 , m_wasNpnNegotiated(false) 88 , m_wasAlternateProtocolAvailable(false) 89 , m_wasFetchedViaProxy(false) 90 , m_responseTime(0) 91 , m_remotePort(0) 92 { 93 } 94 95 PassOwnPtr<ResourceResponse> ResourceResponse::adopt(PassOwnPtr<CrossThreadResourceResponseData> data) 96 { 97 OwnPtr<ResourceResponse> response = adoptPtr(new ResourceResponse); 98 response->setURL(data->m_url); 99 response->setMimeType(AtomicString(data->m_mimeType)); 100 response->setExpectedContentLength(data->m_expectedContentLength); 101 response->setTextEncodingName(AtomicString(data->m_textEncodingName)); 102 response->setSuggestedFilename(data->m_suggestedFilename); 103 104 response->setHTTPStatusCode(data->m_httpStatusCode); 105 response->setHTTPStatusText(AtomicString(data->m_httpStatusText)); 106 107 response->m_httpHeaderFields.adopt(data->m_httpHeaders.release()); 108 response->setLastModifiedDate(data->m_lastModifiedDate); 109 response->setResourceLoadTiming(data->m_resourceLoadTiming.release()); 110 response->m_securityInfo = data->m_securityInfo; 111 response->m_httpVersion = data->m_httpVersion; 112 response->m_appCacheID = data->m_appCacheID; 113 response->m_appCacheManifestURL = data->m_appCacheManifestURL.copy(); 114 response->m_isMultipartPayload = data->m_isMultipartPayload; 115 response->m_wasFetchedViaSPDY = data->m_wasFetchedViaSPDY; 116 response->m_wasNpnNegotiated = data->m_wasNpnNegotiated; 117 response->m_wasAlternateProtocolAvailable = data->m_wasAlternateProtocolAvailable; 118 response->m_wasFetchedViaProxy = data->m_wasFetchedViaProxy; 119 response->m_responseTime = data->m_responseTime; 120 response->m_remoteIPAddress = AtomicString(data->m_remoteIPAddress); 121 response->m_remotePort = data->m_remotePort; 122 response->m_downloadedFilePath = data->m_downloadedFilePath; 123 response->m_downloadedFileHandle = data->m_downloadedFileHandle; 124 125 // Bug https://bugs.webkit.org/show_bug.cgi?id=60397 this doesn't support 126 // whatever values may be present in the opaque m_extraData structure. 127 128 return response.release(); 129 } 130 131 PassOwnPtr<CrossThreadResourceResponseData> ResourceResponse::copyData() const 132 { 133 OwnPtr<CrossThreadResourceResponseData> data = adoptPtr(new CrossThreadResourceResponseData); 134 data->m_url = url().copy(); 135 data->m_mimeType = mimeType().string().isolatedCopy(); 136 data->m_expectedContentLength = expectedContentLength(); 137 data->m_textEncodingName = textEncodingName().string().isolatedCopy(); 138 data->m_suggestedFilename = suggestedFilename().isolatedCopy(); 139 data->m_httpStatusCode = httpStatusCode(); 140 data->m_httpStatusText = httpStatusText().string().isolatedCopy(); 141 data->m_httpHeaders = httpHeaderFields().copyData(); 142 data->m_lastModifiedDate = lastModifiedDate(); 143 if (m_resourceLoadTiming) 144 data->m_resourceLoadTiming = m_resourceLoadTiming->deepCopy(); 145 data->m_securityInfo = CString(m_securityInfo.data(), m_securityInfo.length()); 146 data->m_httpVersion = m_httpVersion; 147 data->m_appCacheID = m_appCacheID; 148 data->m_appCacheManifestURL = m_appCacheManifestURL.copy(); 149 data->m_isMultipartPayload = m_isMultipartPayload; 150 data->m_wasFetchedViaSPDY = m_wasFetchedViaSPDY; 151 data->m_wasNpnNegotiated = m_wasNpnNegotiated; 152 data->m_wasAlternateProtocolAvailable = m_wasAlternateProtocolAvailable; 153 data->m_wasFetchedViaProxy = m_wasFetchedViaProxy; 154 data->m_responseTime = m_responseTime; 155 data->m_remoteIPAddress = m_remoteIPAddress.string().isolatedCopy(); 156 data->m_remotePort = m_remotePort; 157 data->m_downloadedFilePath = m_downloadedFilePath.isolatedCopy(); 158 data->m_downloadedFileHandle = m_downloadedFileHandle; 159 160 // Bug https://bugs.webkit.org/show_bug.cgi?id=60397 this doesn't support 161 // whatever values may be present in the opaque m_extraData structure. 162 163 return data.release(); 164 } 165 166 bool ResourceResponse::isHTTP() const 167 { 168 return m_url.protocolIsInHTTPFamily(); 169 } 170 171 const KURL& ResourceResponse::url() const 172 { 173 return m_url; 174 } 175 176 void ResourceResponse::setURL(const KURL& url) 177 { 178 m_isNull = false; 179 180 m_url = url; 181 } 182 183 const AtomicString& ResourceResponse::mimeType() const 184 { 185 return m_mimeType; 186 } 187 188 void ResourceResponse::setMimeType(const AtomicString& mimeType) 189 { 190 m_isNull = false; 191 192 // FIXME: MIME type is determined by HTTP Content-Type header. We should update the header, so that it doesn't disagree with m_mimeType. 193 m_mimeType = mimeType; 194 } 195 196 long long ResourceResponse::expectedContentLength() const 197 { 198 return m_expectedContentLength; 199 } 200 201 void ResourceResponse::setExpectedContentLength(long long expectedContentLength) 202 { 203 m_isNull = false; 204 205 // FIXME: Content length is determined by HTTP Content-Length header. We should update the header, so that it doesn't disagree with m_expectedContentLength. 206 m_expectedContentLength = expectedContentLength; 207 } 208 209 const AtomicString& ResourceResponse::textEncodingName() const 210 { 211 return m_textEncodingName; 212 } 213 214 void ResourceResponse::setTextEncodingName(const AtomicString& encodingName) 215 { 216 m_isNull = false; 217 218 // FIXME: Text encoding is determined by HTTP Content-Type header. We should update the header, so that it doesn't disagree with m_textEncodingName. 219 m_textEncodingName = encodingName; 220 } 221 222 // FIXME should compute this on the fly 223 const String& ResourceResponse::suggestedFilename() const 224 { 225 return m_suggestedFilename; 226 } 227 228 void ResourceResponse::setSuggestedFilename(const String& suggestedName) 229 { 230 m_isNull = false; 231 232 // FIXME: Suggested file name is calculated based on other headers. There should not be a setter for it. 233 m_suggestedFilename = suggestedName; 234 } 235 236 int ResourceResponse::httpStatusCode() const 237 { 238 return m_httpStatusCode; 239 } 240 241 void ResourceResponse::setHTTPStatusCode(int statusCode) 242 { 243 m_httpStatusCode = statusCode; 244 } 245 246 const AtomicString& ResourceResponse::httpStatusText() const 247 { 248 return m_httpStatusText; 249 } 250 251 void ResourceResponse::setHTTPStatusText(const AtomicString& statusText) 252 { 253 m_httpStatusText = statusText; 254 } 255 256 const AtomicString& ResourceResponse::httpHeaderField(const AtomicString& name) const 257 { 258 return m_httpHeaderFields.get(name); 259 } 260 261 const AtomicString& ResourceResponse::httpHeaderField(const char* name) const 262 { 263 return m_httpHeaderFields.get(name); 264 } 265 266 static const AtomicString& cacheControlHeaderString() 267 { 268 DEFINE_STATIC_LOCAL(const AtomicString, cacheControlHeader, ("cache-control", AtomicString::ConstructFromLiteral)); 269 return cacheControlHeader; 270 } 271 272 static const AtomicString& pragmaHeaderString() 273 { 274 DEFINE_STATIC_LOCAL(const AtomicString, pragmaHeader, ("pragma", AtomicString::ConstructFromLiteral)); 275 return pragmaHeader; 276 } 277 278 void ResourceResponse::updateHeaderParsedState(const AtomicString& name) 279 { 280 DEFINE_STATIC_LOCAL(const AtomicString, ageHeader, ("age", AtomicString::ConstructFromLiteral)); 281 DEFINE_STATIC_LOCAL(const AtomicString, dateHeader, ("date", AtomicString::ConstructFromLiteral)); 282 DEFINE_STATIC_LOCAL(const AtomicString, expiresHeader, ("expires", AtomicString::ConstructFromLiteral)); 283 DEFINE_STATIC_LOCAL(const AtomicString, lastModifiedHeader, ("last-modified", AtomicString::ConstructFromLiteral)); 284 285 if (equalIgnoringCase(name, ageHeader)) 286 m_haveParsedAgeHeader = false; 287 else if (equalIgnoringCase(name, cacheControlHeaderString()) || equalIgnoringCase(name, pragmaHeaderString())) 288 m_cacheControlHeader = CacheControlHeader(); 289 else if (equalIgnoringCase(name, dateHeader)) 290 m_haveParsedDateHeader = false; 291 else if (equalIgnoringCase(name, expiresHeader)) 292 m_haveParsedExpiresHeader = false; 293 else if (equalIgnoringCase(name, lastModifiedHeader)) 294 m_haveParsedLastModifiedHeader = false; 295 } 296 297 void ResourceResponse::setHTTPHeaderField(const AtomicString& name, const AtomicString& value) 298 { 299 updateHeaderParsedState(name); 300 301 m_httpHeaderFields.set(name, value); 302 } 303 304 void ResourceResponse::addHTTPHeaderField(const AtomicString& name, const AtomicString& value) 305 { 306 updateHeaderParsedState(name); 307 308 HTTPHeaderMap::AddResult result = m_httpHeaderFields.add(name, value); 309 if (!result.isNewEntry) 310 result.storedValue->value = result.storedValue->value + ", " + value; 311 } 312 313 void ResourceResponse::clearHTTPHeaderField(const AtomicString& name) 314 { 315 m_httpHeaderFields.remove(name); 316 } 317 318 const HTTPHeaderMap& ResourceResponse::httpHeaderFields() const 319 { 320 return m_httpHeaderFields; 321 } 322 323 bool ResourceResponse::cacheControlContainsNoCache() 324 { 325 if (!m_cacheControlHeader.parsed) 326 m_cacheControlHeader = parseCacheControlDirectives(m_httpHeaderFields.get(cacheControlHeaderString()), m_httpHeaderFields.get(pragmaHeaderString())); 327 return m_cacheControlHeader.containsNoCache; 328 } 329 330 bool ResourceResponse::cacheControlContainsNoStore() 331 { 332 if (!m_cacheControlHeader.parsed) 333 m_cacheControlHeader = parseCacheControlDirectives(m_httpHeaderFields.get(cacheControlHeaderString()), m_httpHeaderFields.get(pragmaHeaderString())); 334 return m_cacheControlHeader.containsNoStore; 335 } 336 337 bool ResourceResponse::cacheControlContainsMustRevalidate() 338 { 339 if (!m_cacheControlHeader.parsed) 340 m_cacheControlHeader = parseCacheControlDirectives(m_httpHeaderFields.get(cacheControlHeaderString()), m_httpHeaderFields.get(pragmaHeaderString())); 341 return m_cacheControlHeader.containsMustRevalidate; 342 } 343 344 bool ResourceResponse::hasCacheValidatorFields() const 345 { 346 DEFINE_STATIC_LOCAL(const AtomicString, lastModifiedHeader, ("last-modified", AtomicString::ConstructFromLiteral)); 347 DEFINE_STATIC_LOCAL(const AtomicString, eTagHeader, ("etag", AtomicString::ConstructFromLiteral)); 348 return !m_httpHeaderFields.get(lastModifiedHeader).isEmpty() || !m_httpHeaderFields.get(eTagHeader).isEmpty(); 349 } 350 351 double ResourceResponse::cacheControlMaxAge() 352 { 353 if (!m_cacheControlHeader.parsed) 354 m_cacheControlHeader = parseCacheControlDirectives(m_httpHeaderFields.get(cacheControlHeaderString()), m_httpHeaderFields.get(pragmaHeaderString())); 355 return m_cacheControlHeader.maxAge; 356 } 357 358 static double parseDateValueInHeader(const HTTPHeaderMap& headers, const AtomicString& headerName) 359 { 360 const AtomicString& headerValue = headers.get(headerName); 361 if (headerValue.isEmpty()) 362 return std::numeric_limits<double>::quiet_NaN(); 363 // This handles all date formats required by RFC2616: 364 // Sun, 06 Nov 1994 08:49:37 GMT ; RFC 822, updated by RFC 1123 365 // Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036 366 // Sun Nov 6 08:49:37 1994 ; ANSI C's asctime() format 367 double dateInMilliseconds = parseDate(headerValue); 368 if (!std::isfinite(dateInMilliseconds)) 369 return std::numeric_limits<double>::quiet_NaN(); 370 return dateInMilliseconds / 1000; 371 } 372 373 double ResourceResponse::date() const 374 { 375 if (!m_haveParsedDateHeader) { 376 DEFINE_STATIC_LOCAL(const AtomicString, headerName, ("date", AtomicString::ConstructFromLiteral)); 377 m_date = parseDateValueInHeader(m_httpHeaderFields, headerName); 378 m_haveParsedDateHeader = true; 379 } 380 return m_date; 381 } 382 383 double ResourceResponse::age() const 384 { 385 if (!m_haveParsedAgeHeader) { 386 DEFINE_STATIC_LOCAL(const AtomicString, headerName, ("age", AtomicString::ConstructFromLiteral)); 387 const AtomicString& headerValue = m_httpHeaderFields.get(headerName); 388 bool ok; 389 m_age = headerValue.toDouble(&ok); 390 if (!ok) 391 m_age = std::numeric_limits<double>::quiet_NaN(); 392 m_haveParsedAgeHeader = true; 393 } 394 return m_age; 395 } 396 397 double ResourceResponse::expires() const 398 { 399 if (!m_haveParsedExpiresHeader) { 400 DEFINE_STATIC_LOCAL(const AtomicString, headerName, ("expires", AtomicString::ConstructFromLiteral)); 401 m_expires = parseDateValueInHeader(m_httpHeaderFields, headerName); 402 m_haveParsedExpiresHeader = true; 403 } 404 return m_expires; 405 } 406 407 double ResourceResponse::lastModified() const 408 { 409 if (!m_haveParsedLastModifiedHeader) { 410 DEFINE_STATIC_LOCAL(const AtomicString, headerName, ("last-modified", AtomicString::ConstructFromLiteral)); 411 m_lastModified = parseDateValueInHeader(m_httpHeaderFields, headerName); 412 m_haveParsedLastModifiedHeader = true; 413 } 414 return m_lastModified; 415 } 416 417 bool ResourceResponse::isAttachment() const 418 { 419 DEFINE_STATIC_LOCAL(const AtomicString, headerName, ("content-disposition", AtomicString::ConstructFromLiteral)); 420 String value = m_httpHeaderFields.get(headerName); 421 size_t loc = value.find(';'); 422 if (loc != kNotFound) 423 value = value.left(loc); 424 value = value.stripWhiteSpace(); 425 DEFINE_STATIC_LOCAL(const AtomicString, attachmentString, ("attachment", AtomicString::ConstructFromLiteral)); 426 return equalIgnoringCase(value, attachmentString); 427 } 428 429 void ResourceResponse::setLastModifiedDate(time_t lastModifiedDate) 430 { 431 m_lastModifiedDate = lastModifiedDate; 432 } 433 434 time_t ResourceResponse::lastModifiedDate() const 435 { 436 return m_lastModifiedDate; 437 } 438 439 bool ResourceResponse::wasCached() const 440 { 441 return m_wasCached; 442 } 443 444 void ResourceResponse::setWasCached(bool value) 445 { 446 m_wasCached = value; 447 } 448 449 bool ResourceResponse::connectionReused() const 450 { 451 return m_connectionReused; 452 } 453 454 void ResourceResponse::setConnectionReused(bool connectionReused) 455 { 456 m_connectionReused = connectionReused; 457 } 458 459 unsigned ResourceResponse::connectionID() const 460 { 461 return m_connectionID; 462 } 463 464 void ResourceResponse::setConnectionID(unsigned connectionID) 465 { 466 m_connectionID = connectionID; 467 } 468 469 ResourceLoadTiming* ResourceResponse::resourceLoadTiming() const 470 { 471 return m_resourceLoadTiming.get(); 472 } 473 474 void ResourceResponse::setResourceLoadTiming(PassRefPtr<ResourceLoadTiming> resourceLoadTiming) 475 { 476 m_resourceLoadTiming = resourceLoadTiming; 477 } 478 479 PassRefPtr<ResourceLoadInfo> ResourceResponse::resourceLoadInfo() const 480 { 481 return m_resourceLoadInfo.get(); 482 } 483 484 void ResourceResponse::setResourceLoadInfo(PassRefPtr<ResourceLoadInfo> loadInfo) 485 { 486 m_resourceLoadInfo = loadInfo; 487 } 488 489 void ResourceResponse::setDownloadedFilePath(const String& downloadedFilePath) 490 { 491 m_downloadedFilePath = downloadedFilePath; 492 if (m_downloadedFilePath.isEmpty()) { 493 m_downloadedFileHandle.clear(); 494 return; 495 } 496 OwnPtr<BlobData> blobData = BlobData::create(); 497 blobData->appendFile(m_downloadedFilePath); 498 blobData->detachFromCurrentThread(); 499 m_downloadedFileHandle = BlobDataHandle::create(blobData.release(), -1); 500 } 501 502 bool ResourceResponse::compare(const ResourceResponse& a, const ResourceResponse& b) 503 { 504 if (a.isNull() != b.isNull()) 505 return false; 506 if (a.url() != b.url()) 507 return false; 508 if (a.mimeType() != b.mimeType()) 509 return false; 510 if (a.expectedContentLength() != b.expectedContentLength()) 511 return false; 512 if (a.textEncodingName() != b.textEncodingName()) 513 return false; 514 if (a.suggestedFilename() != b.suggestedFilename()) 515 return false; 516 if (a.httpStatusCode() != b.httpStatusCode()) 517 return false; 518 if (a.httpStatusText() != b.httpStatusText()) 519 return false; 520 if (a.httpHeaderFields() != b.httpHeaderFields()) 521 return false; 522 if (a.resourceLoadTiming() && b.resourceLoadTiming() && *a.resourceLoadTiming() == *b.resourceLoadTiming()) 523 return true; 524 if (a.resourceLoadTiming() != b.resourceLoadTiming()) 525 return false; 526 return true; 527 } 528 529 } 530