diff options
Diffstat (limited to 'src/javascript/jsc/bindings/webcore/FetchHeaders.cpp')
-rw-r--r-- | src/javascript/jsc/bindings/webcore/FetchHeaders.cpp | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/src/javascript/jsc/bindings/webcore/FetchHeaders.cpp b/src/javascript/jsc/bindings/webcore/FetchHeaders.cpp deleted file mode 100644 index 26af08f1a..000000000 --- a/src/javascript/jsc/bindings/webcore/FetchHeaders.cpp +++ /dev/null @@ -1,245 +0,0 @@ -/* - * Copyright (C) 2016 Canon Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted, provided that the following conditions - * are required to be 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. - * 3. Neither the name of Canon Inc. nor the names of - * its contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY CANON INC. AND ITS CONTRIBUTORS "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 CANON INC. AND ITS 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 "FetchHeaders.h" - -#include "HTTPParsers.h" - -namespace WebCore { - -// https://fetch.spec.whatwg.org/#concept-headers-remove-privileged-no-cors-request-headers -static void removePrivilegedNoCORSRequestHeaders(HTTPHeaderMap& headers) -{ - headers.remove(HTTPHeaderName::Range); -} - -static ExceptionOr<bool> canWriteHeader(const String& name, const String& value, const String& combinedValue, FetchHeaders::Guard guard) -{ - if (!isValidHTTPToken(name)) - return Exception { TypeError, makeString("Invalid header name: '", name, "'") }; - ASSERT(value.isEmpty() || (!isHTTPSpace(value[0]) && !isHTTPSpace(value[value.length() - 1]))); - if (!isValidHTTPHeaderValue((value))) - return Exception { TypeError, makeString("Header '", name, "' has invalid value: '", value, "'") }; - if (guard == FetchHeaders::Guard::Immutable) - return Exception { TypeError, "Headers object's guard is 'immutable'"_s }; - if (guard == FetchHeaders::Guard::Request && isForbiddenHeaderName(name)) - return false; - if (guard == FetchHeaders::Guard::RequestNoCors && !combinedValue.isEmpty() && !isSimpleHeader(name, combinedValue)) - return false; - if (guard == FetchHeaders::Guard::Response && isForbiddenResponseHeaderName(name)) - return false; - return true; -} - -static ExceptionOr<void> appendToHeaderMap(const String& name, const String& value, HTTPHeaderMap& headers, FetchHeaders::Guard guard) -{ - String normalizedValue = stripLeadingAndTrailingHTTPSpaces(value); - String combinedValue = normalizedValue; - if (headers.contains(name)) - combinedValue = makeString(headers.get(name), ", ", normalizedValue); - auto canWriteResult = canWriteHeader(name, normalizedValue, combinedValue, guard); - if (canWriteResult.hasException()) - return canWriteResult.releaseException(); - if (!canWriteResult.releaseReturnValue()) - return { }; - headers.set(name, combinedValue); - - if (guard == FetchHeaders::Guard::RequestNoCors) - removePrivilegedNoCORSRequestHeaders(headers); - - return { }; -} - -static ExceptionOr<void> appendToHeaderMap(const HTTPHeaderMap::HTTPHeaderMapConstIterator::KeyValue& header, HTTPHeaderMap& headers, FetchHeaders::Guard guard) -{ - String normalizedValue = stripLeadingAndTrailingHTTPSpaces(header.value); - auto canWriteResult = canWriteHeader(header.key, normalizedValue, header.value, guard); - if (canWriteResult.hasException()) - return canWriteResult.releaseException(); - if (!canWriteResult.releaseReturnValue()) - return { }; - if (header.keyAsHTTPHeaderName) - headers.add(header.keyAsHTTPHeaderName.value(), header.value); - else - headers.add(header.key, header.value); - - if (guard == FetchHeaders::Guard::RequestNoCors) - removePrivilegedNoCORSRequestHeaders(headers); - - return { }; -} - -// https://fetch.spec.whatwg.org/#concept-headers-fill -static ExceptionOr<void> fillHeaderMap(HTTPHeaderMap& headers, const FetchHeaders::Init& headersInit, FetchHeaders::Guard guard) -{ - if (std::holds_alternative<Vector<Vector<String>>>(headersInit)) { - auto& sequence = std::get<Vector<Vector<String>>>(headersInit); - for (auto& header : sequence) { - if (header.size() != 2) - return Exception { TypeError, "Header sub-sequence must contain exactly two items"_s }; - auto result = appendToHeaderMap(header[0], header[1], headers, guard); - if (result.hasException()) - return result.releaseException(); - } - } else { - auto& record = std::get<Vector<KeyValuePair<String, String>>>(headersInit); - for (auto& header : record) { - auto result = appendToHeaderMap(header.key, header.value, headers, guard); - if (result.hasException()) - return result.releaseException(); - } - } - - return { }; -} - -ExceptionOr<Ref<FetchHeaders>> FetchHeaders::create(std::optional<Init>&& headersInit) -{ - HTTPHeaderMap headers; - - if (headersInit) { - auto result = fillHeaderMap(headers, *headersInit, Guard::None); - if (result.hasException()) - return result.releaseException(); - } - - return adoptRef(*new FetchHeaders { Guard::None, WTFMove(headers) }); -} - -ExceptionOr<void> FetchHeaders::fill(const Init& headerInit) -{ - return fillHeaderMap(m_headers, headerInit, m_guard); -} - -ExceptionOr<void> FetchHeaders::fill(const FetchHeaders& otherHeaders) -{ - for (auto& header : otherHeaders.m_headers) { - auto result = appendToHeaderMap(header, m_headers, m_guard); - if (result.hasException()) - return result.releaseException(); - } - - return { }; -} - -ExceptionOr<void> FetchHeaders::append(const String& name, const String& value) -{ - return appendToHeaderMap(name, value, m_headers, m_guard); -} - -// https://fetch.spec.whatwg.org/#dom-headers-delete -ExceptionOr<void> FetchHeaders::remove(const String& name) -{ - if (!isValidHTTPToken(name)) - return Exception { TypeError, makeString("Invalid header name: '", name, "'") }; - if (m_guard == FetchHeaders::Guard::Immutable) - return Exception { TypeError, "Headers object's guard is 'immutable'"_s }; - if (m_guard == FetchHeaders::Guard::Request && isForbiddenHeaderName(name)) - return { }; - if (m_guard == FetchHeaders::Guard::RequestNoCors && !isNoCORSSafelistedRequestHeaderName(name) && !isPriviledgedNoCORSRequestHeaderName(name)) - return { }; - if (m_guard == FetchHeaders::Guard::Response && isForbiddenResponseHeaderName(name)) - return { }; - - m_headers.remove(name); - - if (m_guard == FetchHeaders::Guard::RequestNoCors) - removePrivilegedNoCORSRequestHeaders(m_headers); - - return { }; -} - -ExceptionOr<String> FetchHeaders::get(const String& name) const -{ - if (!isValidHTTPToken(name)) - return Exception { TypeError, makeString("Invalid header name: '", name, "'") }; - return m_headers.get(name); -} - -ExceptionOr<bool> FetchHeaders::has(const String& name) const -{ - if (!isValidHTTPToken(name)) - return Exception { TypeError, makeString("Invalid header name: '", name, "'") }; - return m_headers.contains(name); -} - -ExceptionOr<void> FetchHeaders::set(const String& name, const String& value) -{ - String normalizedValue = stripLeadingAndTrailingHTTPSpaces(value); - auto canWriteResult = canWriteHeader(name, normalizedValue, normalizedValue, m_guard); - if (canWriteResult.hasException()) - return canWriteResult.releaseException(); - if (!canWriteResult.releaseReturnValue()) - return { }; - - m_headers.set(name, normalizedValue); - - if (m_guard == FetchHeaders::Guard::RequestNoCors) - removePrivilegedNoCORSRequestHeaders(m_headers); - - return { }; -} - -void FetchHeaders::filterAndFill(const HTTPHeaderMap& headers, Guard guard) -{ - for (auto& header : headers) { - String normalizedValue = stripLeadingAndTrailingHTTPSpaces(header.value); - auto canWriteResult = canWriteHeader(header.key, normalizedValue, header.value, guard); - if (canWriteResult.hasException()) - continue; - if (!canWriteResult.releaseReturnValue()) - continue; - if (header.keyAsHTTPHeaderName) - m_headers.add(header.keyAsHTTPHeaderName.value(), header.value); - else - m_headers.add(header.key, header.value); - } -} - -std::optional<KeyValuePair<String, String>> FetchHeaders::Iterator::next() -{ - while (m_currentIndex < m_keys.size()) { - auto key = m_keys[m_currentIndex++]; - auto value = m_headers->m_headers.get(key); - if (!value.isNull()) - return KeyValuePair<String, String> { WTFMove(key), WTFMove(value) }; - } - return std::nullopt; -} - -FetchHeaders::Iterator::Iterator(FetchHeaders& headers) - : m_headers(headers) -{ - m_keys.reserveInitialCapacity(headers.m_headers.size()); - for (auto& header : headers.m_headers) - m_keys.uncheckedAppend(header.key.convertToASCIILowercase()); - std::sort(m_keys.begin(), m_keys.end(), WTF::codePointCompareLessThan); -} - -} // namespace WebCore |