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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_SHARED_STORAGE_UTIL_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_SHARED_STORAGE_UTIL_H_
#include "base/memory/scoped_refptr.h"
#include "services/network/public/mojom/shared_storage.mojom-blink-forward.h"
#include "third_party/blink/public/mojom/shared_storage/shared_storage.mojom-blink-forward.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
#include "v8/include/v8-isolate.h"
namespace WTF {
class String;
}
namespace blink {
class ExecutionContext;
class ExceptionState;
class ScriptState;
class ScriptPromiseResolverBase;
class SharedStorageRunOperationMethodOptions;
static constexpr size_t kMaximumFilteringIdMaxBytes = 8;
static constexpr char kOpaqueContextOriginCheckErrorMessage[] =
"The shared storage method is not allowed in an opaque origin context";
static constexpr char kOpaqueDataOriginCheckErrorMessage[] =
"The shared storage method is not allowed to have an opaque data origin";
static constexpr char kInvalidKeyParameterLengthErrorMessage[] =
"Length of the \"key\" parameter is not valid";
static constexpr char kInvalidValueParameterLengthErrorMessage[] =
"Length of the \"value\" parameter is not valid";
// This enum classifies the value of `dataOrigin` in
// shared_storage_worklet_options.idl.
enum class SharedStorageDataOrigin {
kContextOrigin = 0,
kScriptOrigin = 1,
kCustomOrigin = 2,
kInvalid = 3,
};
// Helper method to convert v8 string to WTF::String.
bool StringFromV8(v8::Isolate* isolate,
v8::Local<v8::Value> val,
WTF::String* out);
// Whether `lock_name` is a reserved lock resource name.
// See https://w3c.github.io/web-locks/#resource-name
bool IsReservedLockName(const String& lock_name);
// Whether `methods_with_options` is a valid batchUpdate() argument: according
// to the specification (https://wicg.github.io/shared-storage/#batch-update),
// none of the inner methods should specify the `with_lock` option.
bool IsValidSharedStorageBatchUpdateMethodsArgument(
const Vector<
network::mojom::blink::SharedStorageModifierMethodWithOptionsPtr>&
methods_with_options);
// Return if there is a valid browsing context associated with `script_state`.
// Throw an error via `exception_state` if invalid.
bool CheckBrowsingContextIsValid(ScriptState& script_state,
ExceptionState& exception_state);
// Return if the shared-storage permissions policy is allowed in
// `execution_context`. Throw an error via `exception_state` if disallowed.
bool CheckSharedStoragePermissionsPolicy(ExecutionContext& execution_context,
ExceptionState& exception_state);
// Returns true if a valid privateAggregationConfig is provided or if no config
// is provided. A config is invalid if an invalid (i.e. too long) context_id
// string is provided or an invalid (i.e. not on the allowlist)
// aggregationCoordinatorOrigin is provided. If the config is invalid, returns
// false and rejects the `resolver` with an error. Always populates
// `out_private_aggregation_config` with a new config object. If a valid
// context_id string was provided, `out_private_aggregation_config->context_id`
// is populated with it; otherwise, it's left default (a null String). If a
// valid aggregation coordinator is provided,
// `out_private_aggregation_config->aggregation_coodinator_origin` is populated
// with it; otherwise, it's left default (nullptr). If a valid
// filteringIdMaxBytes is provided, `out_filtering_id_max_bytes` is populated
// with it; otherwise, it's populated with the default of 1.
bool CheckPrivateAggregationConfig(
const SharedStorageRunOperationMethodOptions& options,
ScriptState& script_state,
ScriptPromiseResolverBase& resolver,
mojom::blink::PrivateAggregationConfigPtr& out_private_aggregation_config);
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_SHARED_STORAGE_UTIL_H_
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