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/*
* Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
* Copyright (C) 2009 Google Inc. All rights reserved.
* Copyright (C) 2011 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE 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 APPLE OR 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.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_NETWORK_HTTP_PARSERS_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_NETWORK_HTTP_PARSERS_H_
#include <stdint.h>
#include <memory>
#include <optional>
#include "base/time/time.h"
#include "services/network/public/mojom/content_security_policy.mojom-blink-forward.h"
#include "services/network/public/mojom/no_vary_search.mojom-blink-forward.h"
#include "services/network/public/mojom/parsed_headers.mojom-blink-forward.h"
#include "services/network/public/mojom/sri_message_signature.mojom-blink-forward.h"
#include "services/network/public/mojom/timing_allow_origin.mojom-blink.h"
#include "third_party/blink/renderer/platform/network/content_security_policy_response_headers.h"
#include "third_party/blink/renderer/platform/network/parsed_content_type.h"
#include "third_party/blink/renderer/platform/network/server_timing_header.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/weborigin/security_origin.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
#include "third_party/blink/renderer/platform/wtf/hash_set.h"
#include "third_party/blink/renderer/platform/wtf/text/case_folding_hash.h"
#include "third_party/blink/renderer/platform/wtf/text/string_hash.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace blink {
class HTTPHeaderMap;
class KURL;
class ResourceResponse;
class UseCounter;
enum ContentTypeOptionsDisposition {
kContentTypeOptionsNone,
kContentTypeOptionsNosniff
};
using CommaDelimitedHeaderSet = HashSet<String, CaseFoldingHashTraits<String>>;
struct CacheControlHeader {
DISALLOW_NEW();
bool parsed : 1;
bool contains_no_cache : 1;
bool contains_no_store : 1;
bool contains_must_revalidate : 1;
std::optional<base::TimeDelta> max_age;
std::optional<base::TimeDelta> stale_while_revalidate;
CacheControlHeader()
: parsed(false),
contains_no_cache(false),
contains_no_store(false),
contains_must_revalidate(false) {}
};
using ServerTimingHeaderVector = Vector<std::unique_ptr<ServerTimingHeader>>;
PLATFORM_EXPORT bool IsContentDispositionAttachment(const String&);
PLATFORM_EXPORT bool IsValidHTTPHeaderValue(const String&);
// Checks whether the given string conforms to the |token| ABNF production
// defined in the RFC 7230 or not.
//
// The ABNF is for validating octets, but this method takes a String instance
// for convenience which consists of Unicode code points. When this method sees
// non-ASCII characters, it just returns false.
PLATFORM_EXPORT bool IsValidHTTPToken(const String&);
// |matcher| specifies a function to check a whitespace character. if |nullptr|
// is specified, ' ' and '\t' are treated as whitespace characters.
PLATFORM_EXPORT bool ParseHTTPRefresh(const String& refresh,
WTF::CharacterMatchFunctionPtr matcher,
base::TimeDelta& delay,
String& url);
PLATFORM_EXPORT std::optional<base::Time> ParseDate(const String&, UseCounter&);
// Given a Media Type (like "foo/bar; baz=gazonk" - usually from the
// 'Content-Type' HTTP header), extract and return the "type/subtype" portion
// ("foo/bar").
//
// Note:
// - This function does not in any way check that the "type/subtype" pair
// is well-formed.
// - OWSes at the head and the tail of the region before the first semicolon
// are trimmed.
PLATFORM_EXPORT AtomicString ExtractMIMETypeFromMediaType(const AtomicString&);
PLATFORM_EXPORT AtomicString MinimizedMIMEType(const AtomicString&);
PLATFORM_EXPORT CacheControlHeader
ParseCacheControlDirectives(const AtomicString& cache_control_header,
const AtomicString& pragma_header);
PLATFORM_EXPORT void ParseCommaDelimitedHeader(const String& header_value,
CommaDelimitedHeaderSet&);
PLATFORM_EXPORT ContentTypeOptionsDisposition
ParseContentTypeOptionsHeader(const String& header);
// Returns true and stores the position of the end of the headers to |*end|
// if the headers part ends in |bytes[0..size]|. Returns false otherwise.
PLATFORM_EXPORT bool ParseMultipartFormHeadersFromBody(
base::span<const uint8_t> bytes,
HTTPHeaderMap* header_fields,
wtf_size_t* end);
// Returns true and stores the position of the end of the headers to |*end|
// if the headers part ends in |bytes[0..size]|. Returns false otherwise.
PLATFORM_EXPORT bool ParseMultipartHeadersFromBody(
base::span<const uint8_t> bytes,
ResourceResponse*,
wtf_size_t* end);
// Extracts the values in a Content-Range header and returns true if all three
// values are present and valid for a 206 response; otherwise returns false.
// The following values will be outputted:
// |*first_byte_position| = inclusive position of the first byte of the range
// |*last_byte_position| = inclusive position of the last byte of the range
// |*instance_length| = size in bytes of the object requested
// If this method returns false, then all of the outputs will be -1.
PLATFORM_EXPORT bool ParseContentRangeHeaderFor206(const String& content_range,
int64_t* first_byte_position,
int64_t* last_byte_position,
int64_t* instance_length);
PLATFORM_EXPORT std::unique_ptr<ServerTimingHeaderVector>
ParseServerTimingHeader(const String&);
// Build ParsedHeaders from raw headers. This is the same as
// network::PopulateParsedHeaders(headers, url) but using blink types.
PLATFORM_EXPORT network::mojom::blink::ParsedHeadersPtr ParseHeaders(
const String& raw_headers,
const KURL& url);
// Parses Content Security Policies. This is the same as
// network::ParseContentSecurityPolicies but using blink types.
PLATFORM_EXPORT
Vector<network::mojom::blink::ContentSecurityPolicyPtr>
ParseContentSecurityPolicies(
const String& raw_policies,
network::mojom::blink::ContentSecurityPolicyType type,
network::mojom::blink::ContentSecurityPolicySource source,
const KURL& base_url);
// Parses Content Security Policies. This is the same as
// network::ParseContentSecurityPolicies but using blink types.
PLATFORM_EXPORT
Vector<network::mojom::blink::ContentSecurityPolicyPtr>
ParseContentSecurityPolicies(
const String& raw_policies,
network::mojom::blink::ContentSecurityPolicyType type,
network::mojom::blink::ContentSecurityPolicySource source,
const SecurityOrigin& self_origin);
// Parses Content Security Policies headers. This uses
// network::ParseContentSecurityPolicies and translates to blink types.
PLATFORM_EXPORT
Vector<network::mojom::blink::ContentSecurityPolicyPtr>
ParseContentSecurityPolicyHeaders(
const ContentSecurityPolicyResponseHeaders& headers);
// Parses SRI-relevant HTTP Message Signature headers. This wraps
// network::ParseSRIMessageSignaturesFromHeaders with blink types.
PLATFORM_EXPORT
network::mojom::blink::SRIMessageSignaturesPtr
ParseSRIMessageSignaturesFromHeaders(const String& raw_headers);
PLATFORM_EXPORT
network::mojom::blink::TimingAllowOriginPtr ParseTimingAllowOrigin(
const String& header_value);
PLATFORM_EXPORT
network::mojom::blink::NoVarySearchWithParseErrorPtr ParseNoVarySearch(
const String& header_value);
PLATFORM_EXPORT
String GetNoVarySearchHintConsoleMessage(
const network::mojom::NoVarySearchParseError& error);
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_NETWORK_HTTP_PARSERS_H_
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