diff options
Diffstat (limited to 'src/javascript/jsc/bindings/webcore/HTTPHeaderField.cpp')
| -rw-r--r-- | src/javascript/jsc/bindings/webcore/HTTPHeaderField.cpp | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/src/javascript/jsc/bindings/webcore/HTTPHeaderField.cpp b/src/javascript/jsc/bindings/webcore/HTTPHeaderField.cpp deleted file mode 100644 index a4d101bdd..000000000 --- a/src/javascript/jsc/bindings/webcore/HTTPHeaderField.cpp +++ /dev/null @@ -1,217 +0,0 @@ -/* - * Copyright (C) 2017 Apple Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY - * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "config.h" -#include "HTTPHeaderField.h" - -namespace WebCore { - -namespace RFC7230 { - -bool isTokenCharacter(UChar c) -{ - return isASCIIAlpha(c) || isASCIIDigit(c) - || c == '!' || c == '#' || c == '$' - || c == '%' || c == '&' || c == '\'' - || c == '*' || c == '+' || c == '-' - || c == '.' || c == '^' || c == '_' - || c == '`' || c == '|' || c == '~'; -} - -bool isDelimiter(UChar c) -{ - return c == '(' || c == ')' || c == ',' - || c == '/' || c == ':' || c == ';' - || c == '<' || c == '=' || c == '>' - || c == '?' || c == '@' || c == '[' - || c == '\\' || c == ']' || c == '{' - || c == '}' || c == '"'; -} - -static bool isVisibleCharacter(UChar c) -{ - return isTokenCharacter(c) || isDelimiter(c); -} - -bool isWhitespace(UChar c) -{ - return c == ' ' || c == '\t'; -} - -template<size_t min, size_t max> -static bool isInRange(UChar c) -{ - return c >= min && c <= max; -} - -static bool isOBSText(UChar c) -{ - return isInRange<0x80, 0xFF>(c); -} - -static bool isQuotedTextCharacter(UChar c) -{ - return isWhitespace(c) - || c == 0x21 - || isInRange<0x23, 0x5B>(c) - || isInRange<0x5D, 0x7E>(c) - || isOBSText(c); -} - -bool isQuotedPairSecondOctet(UChar c) -{ - return isWhitespace(c) - || isVisibleCharacter(c) - || isOBSText(c); -} - -bool isCommentText(UChar c) -{ - return isWhitespace(c) - || isInRange<0x21, 0x27>(c) - || isInRange<0x2A, 0x5B>(c) - || isInRange<0x5D, 0x7E>(c) - || isOBSText(c); -} - -static bool isValidName(StringView name) -{ - if (!name.length()) - return false; - for (size_t i = 0; i < name.length(); ++i) { - if (!isTokenCharacter(name[i])) - return false; - } - return true; -} - -static bool isValidValue(StringView value) -{ - enum class State { - OptionalWhitespace, - Token, - QuotedString, - Comment, - }; - State state = State::OptionalWhitespace; - size_t commentDepth = 0; - bool hadNonWhitespace = false; - - for (size_t i = 0; i < value.length(); ++i) { - UChar c = value[i]; - switch (state) { - case State::OptionalWhitespace: - if (isWhitespace(c)) - continue; - hadNonWhitespace = true; - if (isTokenCharacter(c)) { - state = State::Token; - continue; - } - if (c == '"') { - state = State::QuotedString; - continue; - } - if (c == '(') { - ASSERT(!commentDepth); - ++commentDepth; - state = State::Comment; - continue; - } - return false; - - case State::Token: - if (isTokenCharacter(c)) - continue; - state = State::OptionalWhitespace; - continue; - case State::QuotedString: - if (c == '"') { - state = State::OptionalWhitespace; - continue; - } - if (c == '\\') { - ++i; - if (i == value.length()) - return false; - if (!isQuotedPairSecondOctet(value[i])) - return false; - continue; - } - if (!isQuotedTextCharacter(c)) - return false; - continue; - case State::Comment: - if (c == '(') { - ++commentDepth; - continue; - } - if (c == ')') { - --commentDepth; - if (!commentDepth) - state = State::OptionalWhitespace; - continue; - } - if (c == '\\') { - ++i; - if (i == value.length()) - return false; - if (!isQuotedPairSecondOctet(value[i])) - return false; - continue; - } - if (!isCommentText(c)) - return false; - continue; - } - } - - switch (state) { - case State::OptionalWhitespace: - case State::Token: - return hadNonWhitespace; - case State::QuotedString: - case State::Comment: - // Unclosed comments or quotes are invalid values. - break; - } - return false; -} - -} // namespace RFC7230 - -std::optional<HTTPHeaderField> HTTPHeaderField::create(String&& unparsedName, String&& unparsedValue) -{ - StringView strippedName = StringView(unparsedName).stripLeadingAndTrailingMatchedCharacters(RFC7230::isWhitespace); - StringView strippedValue = StringView(unparsedValue).stripLeadingAndTrailingMatchedCharacters(RFC7230::isWhitespace); - if (!RFC7230::isValidName(strippedName) || !RFC7230::isValidValue(strippedValue)) - return std::nullopt; - - String name = strippedName.length() == unparsedName.length() ? WTFMove(unparsedName) : strippedName.toString(); - String value = strippedValue.length() == unparsedValue.length() ? WTFMove(unparsedValue) : strippedValue.toString(); - return {{ WTFMove(name), WTFMove(value) }}; -} - -} |