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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // The rules for header parsing were borrowed from Firefox: | 5 // The rules for header parsing were borrowed from Firefox: |
6 // http://lxr.mozilla.org/seamonkey/source/netwerk/protocol/http/src/nsHttpRespo
nseHead.cpp | 6 // http://lxr.mozilla.org/seamonkey/source/netwerk/protocol/http/src/nsHttpRespo
nseHead.cpp |
7 // The rules for parsing content-types were also borrowed from Firefox: | 7 // The rules for parsing content-types were also borrowed from Firefox: |
8 // http://lxr.mozilla.org/mozilla/source/netwerk/base/src/nsURLHelper.cpp#834 | 8 // http://lxr.mozilla.org/mozilla/source/netwerk/base/src/nsURLHelper.cpp#834 |
9 | 9 |
10 #include "net/http/http_response_headers.h" | 10 #include "net/http/http_response_headers.h" |
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1002 Time last_modified_value; | 1002 Time last_modified_value; |
1003 if (GetLastModifiedValue(&last_modified_value)) { | 1003 if (GetLastModifiedValue(&last_modified_value)) { |
1004 // The last-modified value can be a date in the past! | 1004 // The last-modified value can be a date in the past! |
1005 if (last_modified_value <= date_value) | 1005 if (last_modified_value <= date_value) |
1006 return (date_value - last_modified_value) / 10; | 1006 return (date_value - last_modified_value) / 10; |
1007 } | 1007 } |
1008 } | 1008 } |
1009 | 1009 |
1010 // These responses are implicitly fresh (unless otherwise overruled): | 1010 // These responses are implicitly fresh (unless otherwise overruled): |
1011 if (response_code_ == 300 || response_code_ == 301 || response_code_ == 410) | 1011 if (response_code_ == 300 || response_code_ == 301 || response_code_ == 410) |
1012 return TimeDelta::FromMicroseconds(kint64max); | 1012 return TimeDelta::Max(); |
1013 | 1013 |
1014 return TimeDelta(); // not fresh | 1014 return TimeDelta(); // not fresh |
1015 } | 1015 } |
1016 | 1016 |
1017 // From RFC 2616 section 13.2.3: | 1017 // From RFC 2616 section 13.2.3: |
1018 // | 1018 // |
1019 // Summary of age calculation algorithm, when a cache receives a response: | 1019 // Summary of age calculation algorithm, when a cache receives a response: |
1020 // | 1020 // |
1021 // /* | 1021 // /* |
1022 // * age_value | 1022 // * age_value |
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1440 iter = NULL; | 1440 iter = NULL; |
1441 while (EnumerateHeader(&iter, "via", &value)) | 1441 while (EnumerateHeader(&iter, "via", &value)) |
1442 if (value == kDeprecatedChromeProxyViaValue) | 1442 if (value == kDeprecatedChromeProxyViaValue) |
1443 return true; | 1443 return true; |
1444 | 1444 |
1445 return false; | 1445 return false; |
1446 } | 1446 } |
1447 #endif // defined(SPDY_PROXY_AUTH_ORIGIN) | 1447 #endif // defined(SPDY_PROXY_AUTH_ORIGIN) |
1448 | 1448 |
1449 } // namespace net | 1449 } // namespace net |
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