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// Copyright 2022 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef QUICHE_BALSA_HTTP_VALIDATION_POLICY_H_
#define QUICHE_BALSA_HTTP_VALIDATION_POLICY_H_
#include <ostream>
#include "quiche/common/platform/api/quiche_export.h"
namespace quiche {
// An HttpValidationPolicy captures policy choices affecting parsing of HTTP
// requests. It offers individual Boolean member functions to be consulted
// during the parsing of an HTTP request.
class QUICHE_EXPORT HttpValidationPolicy {
public:
HttpValidationPolicy(bool enforce_all);
static HttpValidationPolicy CreateDefault();
// https://tools.ietf.org/html/rfc7230#section-3.2.4 deprecates "folding"
// of long header lines onto continuation lines.
bool disallow_header_continuation_lines() const { return enforce_all_; }
// A valid header line requires a header name and a colon.
bool require_header_colon() const { return enforce_all_; }
// https://tools.ietf.org/html/rfc7230#section-3.3.2 disallows multiple
// Content-Length header fields with the same value.
bool disallow_multiple_content_length() const { return enforce_all_; }
// https://tools.ietf.org/html/rfc7230#section-3.3.2 disallows
// Transfer-Encoding and Content-Length header fields together.
bool disallow_transfer_encoding_with_content_length() const {
return enforce_all_;
}
bool operator==(const HttpValidationPolicy& other) const;
friend QUICHE_EXPORT std::ostream& operator<<(
std::ostream& os, const HttpValidationPolicy& policy) {
os << "HttpValidationPolicy(enforce_all_=" << policy.enforce_all_ << ")";
return os;
}
private:
// Enforce "everything": set for strictest possible parsing.
bool enforce_all_;
};
} // namespace quiche
#endif // QUICHE_BALSA_HTTP_VALIDATION_POLICY_H_