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Merge pull request #1187 from WalletConnect/dapp-extend-session
[Sign] Dapp extend session exp
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66 changes: 66 additions & 0 deletions
66
Sources/WalletConnectSign/Engine/Common/SessionExtendRequestSubscriber.swift
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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)? | ||
|
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| 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 | ||
|
|
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| setupSubscriptions() | ||
| } | ||
| } | ||
|
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| // 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) | ||
| } | ||
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| 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) | ||
|
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| Task(priority: .high) { | ||
| try await networkingInteractor.respondSuccess(topic: payload.topic, requestId: payload.id, protocolMethod: protocolMethod) | ||
| } | ||
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| onExtend?(session.topic, session.expiryDate) | ||
| } | ||
|
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| 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)") | ||
| } | ||
| } | ||
| } | ||
| } |
27 changes: 27 additions & 0 deletions
27
Sources/WalletConnectSign/Engine/Common/SessionExtendRequester.swift
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| 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 | ||
| } | ||
|
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| func extend(topic: String, by ttl: Int64) async throws { | ||
| guard var session = sessionStore.getSession(forTopic: topic) else { | ||
| throw WalletConnectError.noSessionMatchingTopic(topic) | ||
| } | ||
|
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| 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) | ||
| } | ||
| } |
48 changes: 48 additions & 0 deletions
48
Sources/WalletConnectSign/Engine/Common/SessionExtendResponseSubscriber.swift
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| 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 | ||
|
|
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| setupSubscriptions() | ||
| } | ||
|
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| // 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) | ||
| } | ||
|
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| 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") | ||
| } | ||
| } | ||
| } |
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