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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 parsing content-types were borrowed from Firefox: | 5 // The rules for parsing content-types were borrowed from Firefox: |
6 // http://lxr.mozilla.org/mozilla/source/netwerk/base/src/nsURLHelper.cpp#834 | 6 // http://lxr.mozilla.org/mozilla/source/netwerk/base/src/nsURLHelper.cpp#834 |
7 | 7 |
8 #include "net/http/http_util.h" | 8 #include "net/http/http_util.h" |
9 | 9 |
10 #include <algorithm> | 10 #include <algorithm> |
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339 } | 339 } |
340 | 340 |
341 // static | 341 // static |
342 bool HttpUtil::IsValidHeaderValue(const std::string& value) { | 342 bool HttpUtil::IsValidHeaderValue(const std::string& value) { |
343 // Just a sanity check: disallow NUL and CRLF. | 343 // Just a sanity check: disallow NUL and CRLF. |
344 return value.find('\0') == std::string::npos && | 344 return value.find('\0') == std::string::npos && |
345 value.find("\r\n") == std::string::npos; | 345 value.find("\r\n") == std::string::npos; |
346 } | 346 } |
347 | 347 |
348 // static | 348 // static |
349 bool HttpUtil::IsValidHeaderValueRFC7230(base::StringPiece value) { | |
davidben
2015/09/30 16:38:18
Optional: Now that you have a base::StringPiece, I
hiroshige
2015/12/15 12:00:26
Done.
| |
350 base::StringPiece::const_iterator value_begin = value.begin(); | |
351 base::StringPiece::const_iterator value_end = value.end(); | |
352 | |
353 // Empty string is a valid header-value. | |
davidben
2015/09/30 16:38:18
Nit: "This empty string is a valid header-value.
hiroshige
2015/12/15 12:00:26
Done.
| |
354 if (value_begin == value_end) | |
355 return true; | |
356 | |
357 // Check leading/trailing whitespaces. | |
358 if (IsLWS(*value_begin) || IsLWS(*(value_end - 1))) | |
359 return false; | |
360 | |
361 // Check each octet is |field-vchar|, |SP| or |HTAB|. | |
362 for (; value_begin != value_end; ++value_begin) { | |
363 unsigned char c = *value_begin; | |
364 if (c == 0x7F || c > 0xFF || (c < 0x20 && c != '\t')) | |
davidben
2015/09/30 16:38:18
c > 0xFF isn't possible. char's are one byte.
hiroshige
2015/12/15 12:00:26
Done.
| |
365 return false; | |
366 } | |
367 return true; | |
368 } | |
369 | |
370 // static | |
349 std::string HttpUtil::StripHeaders(const std::string& headers, | 371 std::string HttpUtil::StripHeaders(const std::string& headers, |
350 const char* const headers_to_remove[], | 372 const char* const headers_to_remove[], |
351 size_t headers_to_remove_len) { | 373 size_t headers_to_remove_len) { |
352 std::string stripped_headers; | 374 std::string stripped_headers; |
353 HttpUtil::HeadersIterator it(headers.begin(), headers.end(), "\r\n"); | 375 HttpUtil::HeadersIterator it(headers.begin(), headers.end(), "\r\n"); |
354 | 376 |
355 while (it.GetNext()) { | 377 while (it.GetNext()) { |
356 bool should_remove = false; | 378 bool should_remove = false; |
357 for (size_t i = 0; i < headers_to_remove_len; ++i) { | 379 for (size_t i = 0; i < headers_to_remove_len; ++i) { |
358 if (base::LowerCaseEqualsASCII( | 380 if (base::LowerCaseEqualsASCII( |
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941 value_is_quoted_ = true; | 963 value_is_quoted_ = true; |
942 // Do not store iterators into this. See declaration of unquoted_value_. | 964 // Do not store iterators into this. See declaration of unquoted_value_. |
943 unquoted_value_ = HttpUtil::Unquote(value_begin_, value_end_); | 965 unquoted_value_ = HttpUtil::Unquote(value_begin_, value_end_); |
944 } | 966 } |
945 } | 967 } |
946 | 968 |
947 return true; | 969 return true; |
948 } | 970 } |
949 | 971 |
950 } // namespace net | 972 } // namespace net |
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