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Merge pull request #1187 from WalletConnect/dapp-extend-session
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[Sign] Dapp extend session exp
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alexander-lsvk committed Oct 25, 2023
2 parents 6c7c129 + 20a5f59 commit f7ffc79
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Showing 12 changed files with 216 additions and 113 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,13 @@ import SwiftUI

struct ConnectionDetailsView: View {
@EnvironmentObject var presenter: ConnectionDetailsPresenter


private var dateFormatter: DateFormatter {
let formatter = DateFormatter()
formatter.dateFormat = "HH:mm:ss E, d MMM y"
return formatter
}

var body: some View {
ZStack {
Color.grey100
Expand Down Expand Up @@ -145,6 +151,39 @@ struct ConnectionDetailsView: View {
.padding(.top, 30)
}

VStack(alignment: .leading) {
Text("Expiry")
.font(.system(size: 15, weight: .semibold, design: .rounded))
.foregroundColor(.whiteBackground)
.padding(.horizontal, 8)
.padding(.vertical, 5)
.background(Color.grey70)
.cornerRadius(28, corners: .allCorners)
.padding(.leading, 15)
.padding(.top, 9)

VStack(spacing: 0) {
TagsView(items: [dateFormatter.string(from: presenter.session.expiryDate)]) {
Text($0)
.foregroundColor(.cyanBackround)
.font(.system(size: 13, weight: .semibold, design: .rounded))
.padding(.horizontal, 8)
.padding(.vertical, 3)
.background(Color.cyanBackround.opacity(0.2))
.cornerRadius(10, corners: .allCorners)
}
.padding(10)
}
.background(Color.whiteBackground)
.cornerRadius(20, corners: .allCorners)
.padding(.horizontal, 5)
.padding(.bottom, 5)
}
.background(Color("grey95"))
.cornerRadius(25, corners: .allCorners)
.padding(.horizontal, 20)
.padding(.top, 30)

Button {
presenter.onDelete()
} label: {
Expand Down
4 changes: 2 additions & 2 deletions Sources/WalletConnectSign/Engine/Common/SessionEngine.swift
Original file line number Diff line number Diff line change
Expand Up @@ -50,9 +50,9 @@ final class SessionEngine {
func hasSession(for topic: String) -> Bool {
return sessionStore.hasSession(forTopic: topic)
}

func getSessions() -> [Session] {
sessionStore.getAll().map {$0.publicRepresentation()}
sessionStore.getAll().map { $0.publicRepresentation() }
}

func request(_ request: Request) async throws {
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Original file line number Diff line number Diff line change
@@ -0,0 +1,66 @@
import Foundation
import Combine

final class SessionExtendRequestSubscriber {
var onExtend: ((String, Date) -> Void)?

private let sessionStore: WCSessionStorage
private let networkingInteractor: NetworkInteracting
private var publishers = [AnyCancellable]()
private let logger: ConsoleLogging

init(
networkingInteractor: NetworkInteracting,
sessionStore: WCSessionStorage,
logger: ConsoleLogging
) {
self.networkingInteractor = networkingInteractor
self.sessionStore = sessionStore
self.logger = logger

setupSubscriptions()
}
}

// MARK: - Private functions
extension SessionExtendRequestSubscriber {
private func setupSubscriptions() {
networkingInteractor.requestSubscription(on: SessionExtendProtocolMethod())
.sink { [unowned self] (payload: RequestSubscriptionPayload<SessionType.UpdateExpiryParams>) in
onSessionUpdateExpiry(payload: payload, updateExpiryParams: payload.request)
}.store(in: &publishers)
}

private func onSessionUpdateExpiry(payload: SubscriptionPayload, updateExpiryParams: SessionType.UpdateExpiryParams) {
let protocolMethod = SessionExtendProtocolMethod()
let topic = payload.topic
guard var session = sessionStore.getSession(forTopic: topic) else {
return respondError(payload: payload, reason: .noSessionForTopic, protocolMethod: protocolMethod)
}
guard session.peerIsController else {
return respondError(payload: payload, reason: .unauthorizedExtendRequest, protocolMethod: protocolMethod)
}
do {
try session.updateExpiry(to: updateExpiryParams.expiry)
} catch {
return respondError(payload: payload, reason: .invalidExtendRequest, protocolMethod: protocolMethod)
}
sessionStore.setSession(session)

Task(priority: .high) {
try await networkingInteractor.respondSuccess(topic: payload.topic, requestId: payload.id, protocolMethod: protocolMethod)
}

onExtend?(session.topic, session.expiryDate)
}

private func respondError(payload: SubscriptionPayload, reason: SignReasonCode, protocolMethod: ProtocolMethod) {
Task(priority: .high) {
do {
try await networkingInteractor.respondError(topic: payload.topic, requestId: payload.id, protocolMethod: protocolMethod, reason: reason)
} catch {
logger.error("Respond Error failed with: \(error.localizedDescription)")
}
}
}
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,27 @@
import Foundation

final class SessionExtendRequester {
private let sessionStore: WCSessionStorage
private let networkingInteractor: NetworkInteracting

init(
sessionStore: WCSessionStorage,
networkingInteractor: NetworkInteracting
) {
self.sessionStore = sessionStore
self.networkingInteractor = networkingInteractor
}

func extend(topic: String, by ttl: Int64) async throws {
guard var session = sessionStore.getSession(forTopic: topic) else {
throw WalletConnectError.noSessionMatchingTopic(topic)
}

let protocolMethod = SessionExtendProtocolMethod()
try session.updateExpiry(by: ttl)
let newExpiry = Int64(session.expiryDate.timeIntervalSince1970)
sessionStore.setSession(session)
let request = RPCRequest(method: protocolMethod.method, params: SessionType.UpdateExpiryParams(expiry: newExpiry))
try await networkingInteractor.request(request, topic: topic, protocolMethod: protocolMethod)
}
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,48 @@
import Foundation
import Combine

final class SessionExtendResponseSubscriber {
var onExtend: ((String, Date) -> Void)?

private let sessionStore: WCSessionStorage
private let networkingInteractor: NetworkInteracting
private var publishers = [AnyCancellable]()
private let logger: ConsoleLogging

init(
networkingInteractor: NetworkInteracting,
sessionStore: WCSessionStorage,
logger: ConsoleLogging
) {
self.networkingInteractor = networkingInteractor
self.sessionStore = sessionStore
self.logger = logger

setupSubscriptions()
}

// MARK: - Handle Response
private func setupSubscriptions() {
networkingInteractor.responseSubscription(on: SessionExtendProtocolMethod())
.sink { [unowned self] (payload: ResponseSubscriptionPayload<SessionType.UpdateExpiryParams, RPCResult>) in
handleUpdateExpiryResponse(payload: payload)
}
.store(in: &publishers)
}

private func handleUpdateExpiryResponse(payload: ResponseSubscriptionPayload<SessionType.UpdateExpiryParams, RPCResult>) {
guard var session = sessionStore.getSession(forTopic: payload.topic) else { return }
switch payload.response {
case .response:
do {
try session.updateExpiry(to: payload.request.expiry)
sessionStore.setSession(session)
onExtend?(session.topic, session.expiryDate)
} catch {
logger.error("Update expiry error: \(error.localizedDescription)")
}
case .error:
logger.error("Peer failed to extend session")
}
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,7 @@ import Foundation
import Combine

final class ControllerSessionStateMachine {

var onNamespacesUpdate: ((String, [String: SessionNamespace]) -> Void)?
var onExtend: ((String, Date) -> Void)?

private let sessionStore: WCSessionStorage
private let networkingInteractor: NetworkInteracting
Expand Down Expand Up @@ -35,31 +33,13 @@ final class ControllerSessionStateMachine {
try await networkingInteractor.request(request, topic: topic, protocolMethod: protocolMethod)
}

func extend(topic: String, by ttl: Int64) async throws {
var session = try getSession(for: topic)
let protocolMethod = SessionExtendProtocolMethod()
try validateController(session)
try session.updateExpiry(by: ttl)
let newExpiry = Int64(session.expiryDate.timeIntervalSince1970 )
sessionStore.setSession(session)
let request = RPCRequest(method: protocolMethod.method, params: SessionType.UpdateExpiryParams(expiry: newExpiry))
try await networkingInteractor.request(request, topic: topic, protocolMethod: protocolMethod)
}

// MARK: - Handle Response

private func setupSubscriptions() {
networkingInteractor.responseSubscription(on: SessionUpdateProtocolMethod())
.sink { [unowned self] (payload: ResponseSubscriptionPayload<SessionType.UpdateParams, RPCResult>) in
handleUpdateResponse(payload: payload)
}
.store(in: &publishers)

networkingInteractor.responseSubscription(on: SessionExtendProtocolMethod())
.sink { [unowned self] (payload: ResponseSubscriptionPayload<SessionType.UpdateExpiryParams, RPCResult>) in
handleUpdateExpiryResponse(payload: payload)
}
.store(in: &publishers)
}

private func handleUpdateResponse(payload: ResponseSubscriptionPayload<SessionType.UpdateParams, RPCResult>) {
Expand All @@ -80,22 +60,6 @@ final class ControllerSessionStateMachine {
}
}

private func handleUpdateExpiryResponse(payload: ResponseSubscriptionPayload<SessionType.UpdateExpiryParams, RPCResult>) {
guard var session = sessionStore.getSession(forTopic: payload.topic) else { return }
switch payload.response {
case .response:
do {
try session.updateExpiry(to: payload.request.expiry)
sessionStore.setSession(session)
onExtend?(session.topic, session.expiryDate)
} catch {
logger.error("Update expiry error: \(error.localizedDescription)")
}
case .error:
logger.error("Peer failed to extend session")
}
}

// MARK: - Private
private func getSession(for topic: String) throws -> WCSession {
if let session = sessionStore.getSession(forTopic: topic) {
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -2,20 +2,20 @@ import Foundation
import Combine

final class NonControllerSessionStateMachine {

var onNamespacesUpdate: ((String, [String: SessionNamespace]) -> Void)?
var onExtend: ((String, Date) -> Void)?

private let sessionStore: WCSessionStorage
private let networkingInteractor: NetworkInteracting
private let kms: KeyManagementServiceProtocol
private var publishers = [AnyCancellable]()
private let logger: ConsoleLogging

init(networkingInteractor: NetworkInteracting,
kms: KeyManagementServiceProtocol,
sessionStore: WCSessionStorage,
logger: ConsoleLogging) {
init(
networkingInteractor: NetworkInteracting,
kms: KeyManagementServiceProtocol,
sessionStore: WCSessionStorage,
logger: ConsoleLogging
) {
self.networkingInteractor = networkingInteractor
self.kms = kms
self.sessionStore = sessionStore
Expand All @@ -28,11 +28,6 @@ final class NonControllerSessionStateMachine {
.sink { [unowned self] (payload: RequestSubscriptionPayload<SessionType.UpdateParams>) in
onSessionUpdateNamespacesRequest(payload: payload, updateParams: payload.request)
}.store(in: &publishers)

networkingInteractor.requestSubscription(on: SessionExtendProtocolMethod())
.sink { [unowned self] (payload: RequestSubscriptionPayload<SessionType.UpdateExpiryParams>) in
onSessionUpdateExpiry(payload: payload, updateExpiryParams: payload.request)
}.store(in: &publishers)
}

private func respondError(payload: SubscriptionPayload, reason: SignReasonCode, protocolMethod: ProtocolMethod) {
Expand Down Expand Up @@ -72,27 +67,4 @@ final class NonControllerSessionStateMachine {

onNamespacesUpdate?(session.topic, updateParams.namespaces)
}

private func onSessionUpdateExpiry(payload: SubscriptionPayload, updateExpiryParams: SessionType.UpdateExpiryParams) {
let protocolMethod = SessionExtendProtocolMethod()
let topic = payload.topic
guard var session = sessionStore.getSession(forTopic: topic) else {
return respondError(payload: payload, reason: .noSessionForTopic, protocolMethod: protocolMethod)
}
guard session.peerIsController else {
return respondError(payload: payload, reason: .unauthorizedExtendRequest, protocolMethod: protocolMethod)
}
do {
try session.updateExpiry(to: updateExpiryParams.expiry)
} catch {
return respondError(payload: payload, reason: .invalidExtendRequest, protocolMethod: protocolMethod)
}
sessionStore.setSession(session)

Task(priority: .high) {
try await networkingInteractor.respondSuccess(topic: payload.topic, requestId: payload.id, protocolMethod: protocolMethod)
}

onExtend?(session.topic, session.expiryDate)
}
}
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