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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_COMMON_SERVICE_WORKER_SERVICE_WORKER_ROUTER_EVALUATOR_H_
#define CONTENT_COMMON_SERVICE_WORKER_SERVICE_WORKER_ROUTER_EVALUATOR_H_
#include <memory>
#include "base/values.h"
#include "content/common/content_export.h"
#include "services/network/public/cpp/resource_request.h"
#include "third_party/blink/public/common/service_worker/embedded_worker_status.h"
#include "third_party/blink/public/common/service_worker/service_worker_router_rule.h"
#include "third_party/blink/public/mojom/service_worker/service_worker.mojom.h"
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class ServiceWorkerRouterEvaluatorErrorEnums {
kNoError = 0,
kInvalidType = 1,
kParseError = 2,
kCompileError = 3,
kEmptyCondition = 4,
kEmptySource = 5,
kInvalidSource = 6,
kInvalidCondition = 7,
kExceedMaxConditionDepth = 8,
kExceedMaxRouterSize = 9,
kFetchSourceWithoutFetchHandler = 10,
kMaxValue = kFetchSourceWithoutFetchHandler,
};
namespace content {
class CONTENT_EXPORT ServiceWorkerRouterEvaluator {
public:
explicit ServiceWorkerRouterEvaluator(blink::ServiceWorkerRouterRules rules);
~ServiceWorkerRouterEvaluator();
bool IsValid() const { return is_valid_; }
struct CONTENT_EXPORT Result {
Result();
~Result();
Result(Result&&);
Result& operator=(Result&&) = default;
Result(const Result& other) = delete;
Result& operator=(const Result&) = delete;
std::uint32_t id = 0;
std::vector<blink::ServiceWorkerRouterSource> sources;
};
// Returns an empty list if nothing matched.
std::optional<Result> Evaluate(
const network::ResourceRequest& request,
blink::EmbeddedWorkerStatus running_status) const;
std::optional<Result> EvaluateWithoutRunningStatus(
const network::ResourceRequest& request) const;
const blink::ServiceWorkerRouterRules& rules() const { return rules_; }
bool need_running_status() const { return need_running_status_; }
bool require_fetch_handler() const { return require_fetch_handler_; }
bool has_non_fetch_event_source() const {
return has_non_fetch_event_source_;
}
base::Value ToValue() const;
std::string ToString() const;
void RecordRouterRuleInfo() const;
std::tuple<size_t, size_t> GetMaxDepthAndWidth() const;
const std::optional<ServiceWorkerRouterEvaluatorErrorEnums>&
invalid_error_code() const {
return invalid_error_code_;
}
private:
class RouterRule;
void Compile();
std::optional<Result> EvaluateInternal(
const network::ResourceRequest& request,
std::optional<blink::EmbeddedWorkerStatus> running_status) const;
const blink::ServiceWorkerRouterRules rules_;
std::vector<std::unique_ptr<RouterRule>> compiled_rules_;
bool is_valid_ = false;
bool need_running_status_ = false;
bool require_fetch_handler_ = false;
bool has_non_fetch_event_source_ = false;
std::optional<ServiceWorkerRouterEvaluatorErrorEnums> invalid_error_code_;
};
} // namespace content
#endif // CONTENT_COMMON_SERVICE_WORKER_SERVICE_WORKER_ROUTER_EVALUATOR_H_
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