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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_REPORTING_REPORTING_HEADER_PARSER_H_
#define NET_REPORTING_REPORTING_HEADER_PARSER_H_
#include <memory>
#include "base/containers/flat_map.h"
#include "base/values.h"
#include "net/base/net_export.h"
#include "net/http/structured_headers.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace net {
class IsolationInfo;
class NetworkAnonymizationKey;
class ReportingContext;
// Tries to parse a Reporting-Endpoints header. Returns base::nullopt if parsing
// failed and the header should be ignored; otherwise returns a (possibly
// empty) mapping of endpoint names to URLs.
NET_EXPORT
absl::optional<base::flat_map<std::string, std::string>>
ParseReportingEndpoints(const std::string& header);
class NET_EXPORT ReportingHeaderParser {
public:
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
// They should also be kept in sync with the NetReportingHeaderType enum
// in tools/metrics/histograms/enums.xml
enum class ReportingHeaderType {
kReportTo = 0,
kReportToInvalid = 1,
kReportingEndpoints = 2,
kReportingEndpointsInvalid = 3,
kMaxValue = kReportingEndpointsInvalid,
};
ReportingHeaderParser() = delete;
ReportingHeaderParser(const ReportingHeaderParser&) = delete;
ReportingHeaderParser& operator=(const ReportingHeaderParser&) = delete;
static void ParseReportToHeader(
ReportingContext* context,
const NetworkAnonymizationKey& network_anonymization_key,
const url::Origin& origin,
const base::Value::List& list);
// `isolation_info` here will be stored in the cache, associated with the
// `reporting_source`. `network_anonymization_key` is the NIK which will be
// passed in with reports to be queued. This must match the NIK from
// `isolation_source`, unless it is empty (which will be the case if the
// network state partitioning is disabled).
static void ProcessParsedReportingEndpointsHeader(
ReportingContext* context,
const base::UnguessableToken& reporting_source,
const IsolationInfo& isolation_info,
const NetworkAnonymizationKey& network_anonymization_key,
const url::Origin& origin,
base::flat_map<std::string, std::string> parsed_header);
static void RecordReportingHeaderType(ReportingHeaderType header_type);
};
} // namespace net
#endif // NET_REPORTING_REPORTING_HEADER_PARSER_H_
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