From fe91cae8bc4395cfc11396e35ec2b6667051facf Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Sat, 29 Nov 2025 05:08:03 +0300
Subject: [PATCH] Added initial api support to register passkey.

---
 .../SourceFiles/data/components/passkeys.cpp  | 32 +++++++++++++++++++
 .../SourceFiles/data/components/passkeys.h    | 12 +++++++
 2 files changed, 44 insertions(+)

diff --git a/Telegram/SourceFiles/data/components/passkeys.cpp b/Telegram/SourceFiles/data/components/passkeys.cpp
index e42cd56032..e640a9ea56 100644
--- a/Telegram/SourceFiles/data/components/passkeys.cpp
+++ b/Telegram/SourceFiles/data/components/passkeys.cpp
@@ -7,7 +7,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "data/components/passkeys.h"
 
+#include "apiwrap.h"
+#include "data/data_passkey_deserialize.h"
 #include "main/main_session.h"
+#include "platform/platform_webauthn.h"
 
 namespace Data {
 
@@ -17,4 +20,33 @@ Passkeys::Passkeys(not_null<Main::Session*> session)
 
 Passkeys::~Passkeys() = default;
 
+void Passkeys::initRegistration(
+		Fn<void(const Data::Passkey::RegisterData&)> done) {
+	_session->api().request(MTPaccount_InitPasskeyRegistration(
+	)).done([=](const MTPaccount_PasskeyRegistrationOptions &result) {
+		const auto &data = result.data();
+		const auto jsonData = data.voptions().data().vdata().v;
+		if (const auto p = Data::Passkey::DeserializeRegisterData(jsonData)) {
+			done(*p);
+		}
+	}).send();
+}
+
+void Passkeys::registerPasskey(
+		const Platform::WebAuthn::RegisterResult &result,
+		Fn<void()> done) {
+	const auto credentialIdBase64 = QString::fromUtf8(
+		result.credentialId.toBase64(QByteArray::Base64UrlEncoding));
+	_session->api().request(MTPaccount_RegisterPasskey(
+		MTP_inputPasskeyCredentialPublicKey(
+			MTP_string(credentialIdBase64),
+			MTP_string(credentialIdBase64),
+			MTP_inputPasskeyResponseRegister(
+				MTP_dataJSON(MTP_bytes(result.clientDataJSON)),
+				MTP_bytes(result.attestationObject)))
+	)).done([=](const MTPPasskey &result) {
+		done();
+	}).send();
+}
+
 } // namespace Data
diff --git a/Telegram/SourceFiles/data/components/passkeys.h b/Telegram/SourceFiles/data/components/passkeys.h
index fcec1e518d..953af51193 100644
--- a/Telegram/SourceFiles/data/components/passkeys.h
+++ b/Telegram/SourceFiles/data/components/passkeys.h
@@ -7,6 +7,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
+namespace Data::Passkey {
+struct RegisterData;
+} // namespace Data::Passkey
+namespace Platform::WebAuthn {
+struct RegisterResult;
+} // namespace Platform::WebAuthn
+
 namespace Main {
 class Session;
 } // namespace Main
@@ -18,6 +25,11 @@ public:
 	explicit Passkeys(not_null<Main::Session*> session);
 	~Passkeys();
 
+	void initRegistration(Fn<void(const Data::Passkey::RegisterData&)> done);
+	void registerPasskey(
+		const Platform::WebAuthn::RegisterResult &result,
+		Fn<void()> done);
+
 private:
 	const not_null<Main::Session*> _session;