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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_WEBAUTHN_IOS_PASSKEY_JAVA_SCRIPT_FEATURE_H_
#define COMPONENTS_WEBAUTHN_IOS_PASSKEY_JAVA_SCRIPT_FEATURE_H_
#import "base/no_destructor.h"
#import "ios/web/public/js_messaging/java_script_feature.h"
// Communicates with the JavaScript file passkey_controller.ts, which contains
// a shim of the navigator.credentials API.
//
// The main intent of the shim is to facilitate certain passkey functionality
// (e.g. assertion / creation) in Chromium, hence the name of this class. It is
// worth noting though, that the navigator.credentials API might be used for any
// type of credential. Requests for non-passkey credentials are not handled by
// this feature (with a possible exception of logging metrics).
class PasskeyJavaScriptFeature : public web::JavaScriptFeature {
public:
// This feature holds no state, so only a single static instance is ever
// needed.
static PasskeyJavaScriptFeature* GetInstance();
private:
friend class base::NoDestructor<PasskeyJavaScriptFeature>;
PasskeyJavaScriptFeature();
PasskeyJavaScriptFeature(const PasskeyJavaScriptFeature&) = delete;
PasskeyJavaScriptFeature& operator=(const PasskeyJavaScriptFeature&) = delete;
~PasskeyJavaScriptFeature() override;
// web::JavaScriptFeature:
std::optional<std::string> GetScriptMessageHandlerName() const override;
void ScriptMessageReceived(web::WebState* web_state,
const web::ScriptMessage& message) override;
};
#endif // COMPONENTS_WEBAUTHN_IOS_PASSKEY_JAVA_SCRIPT_FEATURE_H_
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