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// Copyright 2019 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_BROWSER_SERVICE_WORKER_SERVICE_WORKER_LOADER_HELPERS_H_
#define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_LOADER_HELPERS_H_
#include <memory>
#include <optional>
#include <string>
#include <string_view>
#include "content/browser/service_worker/service_worker_version.h"
#include "content/common/content_export.h"
#include "services/network/public/cpp/resource_request.h"
#include "services/network/public/cpp/url_loader_completion_status.h"
#include "services/network/public/mojom/url_response_head.mojom.h"
#include "third_party/blink/public/common/service_worker/service_worker_status_code.h"
#include "third_party/blink/public/mojom/script/script_type.mojom.h"
class GURL;
namespace base {
class TimeDelta;
} // namespace base
namespace blink {
namespace mojom {
enum class ServiceWorkerUpdateViaCache;
}
} // namespace blink
namespace content {
class BrowserContext;
namespace service_worker_loader_helpers {
// Check if |response_head| is a valid response for a service worker script
// (e.g. bad mime type). Status codes and error message will be set when the
// response is invalid.
bool CheckResponseHead(
const network::mojom::URLResponseHead& response_head,
blink::ServiceWorkerStatusCode* out_service_worker_status,
network::URLLoaderCompletionStatus* out_completion_status,
std::string* out_error_message);
bool ShouldBypassCacheDueToUpdateViaCache(
bool is_main_script,
blink::mojom::ServiceWorkerUpdateViaCache cache_mode);
bool ShouldValidateBrowserCacheForScript(
bool is_main_script,
bool force_bypass_cache,
blink::mojom::ServiceWorkerUpdateViaCache cache_mode,
base::TimeDelta time_since_last_check);
#if DCHECK_IS_ON()
// Checks the consistency between the status of the service worker version and
// the script type to be fetched by the loaders.
void CheckVersionStatusBeforeWorkerScriptLoad(
ServiceWorkerVersion::Status status,
bool is_main_script,
blink::mojom::ScriptType script_type);
#endif // DCHECK_IS_ON()
network::ResourceRequest CreateRequestForServiceWorkerScript(
const GURL& script_url,
const blink::StorageKey& storage_key,
bool is_main_script,
blink::mojom::ScriptType worker_script_type,
const blink::mojom::FetchClientSettingsObject& fetch_client_settings_object,
BrowserContext& browser_context);
// Returns true if the script at |script_url| is allowed to control |scope|
// according to Service Worker's path restriction policy. If
// |service_worker_allowed| is not null, it points to the
// Service-Worker-Allowed header value.
CONTENT_EXPORT bool IsPathRestrictionSatisfied(
const GURL& scope,
const GURL& script_url,
const std::optional<std::string_view>& service_worker_allowed_header_value,
std::string* error_message);
// Same as above IsPathRestrictionSatisfied, but without considering
// 'Service-Worker-Allowed' header.
CONTENT_EXPORT bool IsPathRestrictionSatisfiedWithoutHeader(
const GURL& scope,
const GURL& script_url,
std::string* error_message);
// Returns the set of hash strings of fetch handlers which can be bypassed.
const base::flat_set<std::string> FetchHandlerBypassedHashStrings();
// Check if `client_url` is eligible for Synsthtic Response.
// Exposes one method which accepts `allowed_urls` for testing.
bool IsEligibleForSyntheticResponse(const GURL& client_url);
CONTENT_EXPORT bool IsEligibleForSyntheticResponseForTesting(
const GURL& client_url,
const std::string& allowed_urls);
} // namespace service_worker_loader_helpers
} // namespace content
#endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_LOADER_HELPERS_H_
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