543 lines
22 KiB
Swift
543 lines
22 KiB
Swift
import AppKit
|
|
import ClawdbotKit
|
|
import ClawdbotProtocol
|
|
import Foundation
|
|
import Network
|
|
import OSLog
|
|
|
|
actor BridgeServer {
|
|
static let shared = BridgeServer()
|
|
|
|
private let logger = Logger(subsystem: "com.clawdbot", category: "bridge")
|
|
private var listener: NWListener?
|
|
private var isRunning = false
|
|
private var store: PairedNodesStore?
|
|
private var connections: [String: BridgeConnectionHandler] = [:]
|
|
private var nodeInfoById: [String: BridgeNodeInfo] = [:]
|
|
private var presenceTasks: [String: Task<Void, Never>] = [:]
|
|
private var chatSubscriptions: [String: Set<String>] = [:]
|
|
private var gatewayPushTask: Task<Void, Never>?
|
|
|
|
func start() async {
|
|
if self.isRunning { return }
|
|
self.isRunning = true
|
|
|
|
do {
|
|
let storeURL = try Self.defaultStoreURL()
|
|
let store = PairedNodesStore(fileURL: storeURL)
|
|
await store.load()
|
|
self.store = store
|
|
|
|
let params = NWParameters.tcp
|
|
params.includePeerToPeer = true
|
|
let listener = try NWListener(using: params, on: .any)
|
|
|
|
listener.newConnectionHandler = { [weak self] connection in
|
|
guard let self else { return }
|
|
Task { await self.handle(connection: connection) }
|
|
}
|
|
|
|
listener.stateUpdateHandler = { [weak self] state in
|
|
guard let self else { return }
|
|
Task { await self.handleListenerState(state) }
|
|
}
|
|
|
|
listener.start(queue: DispatchQueue(label: "com.clawdbot.bridge"))
|
|
self.listener = listener
|
|
} catch {
|
|
self.logger.error("bridge start failed: \(error.localizedDescription, privacy: .public)")
|
|
self.isRunning = false
|
|
}
|
|
}
|
|
|
|
func stop() async {
|
|
self.isRunning = false
|
|
self.listener?.cancel()
|
|
self.listener = nil
|
|
}
|
|
|
|
private func handleListenerState(_ state: NWListener.State) {
|
|
switch state {
|
|
case .ready:
|
|
self.logger.info("bridge listening")
|
|
case let .failed(err):
|
|
self.logger.error("bridge listener failed: \(err.localizedDescription, privacy: .public)")
|
|
case .cancelled:
|
|
self.logger.info("bridge listener cancelled")
|
|
case .waiting:
|
|
self.logger.info("bridge listener waiting")
|
|
case .setup:
|
|
break
|
|
@unknown default:
|
|
break
|
|
}
|
|
}
|
|
|
|
private func handle(connection: NWConnection) async {
|
|
let handler = BridgeConnectionHandler(connection: connection, logger: self.logger)
|
|
await handler.run(
|
|
resolveAuth: { [weak self] hello in
|
|
await self?.authorize(hello: hello) ?? .error(code: "UNAVAILABLE", message: "bridge unavailable")
|
|
},
|
|
handlePair: { [weak self] request in
|
|
await self?.pair(request: request) ?? .error(code: "UNAVAILABLE", message: "bridge unavailable")
|
|
},
|
|
onAuthenticated: { [weak self] node in
|
|
await self?.registerConnection(handler: handler, node: node)
|
|
},
|
|
onDisconnected: { [weak self] nodeId in
|
|
await self?.unregisterConnection(nodeId: nodeId)
|
|
},
|
|
onEvent: { [weak self] nodeId, evt in
|
|
await self?.handleEvent(nodeId: nodeId, evt: evt)
|
|
},
|
|
onRequest: { [weak self] nodeId, req in
|
|
await self?.handleRequest(nodeId: nodeId, req: req)
|
|
?? BridgeRPCResponse(
|
|
id: req.id,
|
|
ok: false,
|
|
error: BridgeRPCError(code: "UNAVAILABLE", message: "bridge unavailable"))
|
|
})
|
|
}
|
|
|
|
func invoke(nodeId: String, command: String, paramsJSON: String?) async throws -> BridgeInvokeResponse {
|
|
guard let handler = self.connections[nodeId] else {
|
|
throw NSError(domain: "Bridge", code: 10, userInfo: [
|
|
NSLocalizedDescriptionKey: "UNAVAILABLE: node not connected",
|
|
])
|
|
}
|
|
return try await handler.invoke(command: command, paramsJSON: paramsJSON)
|
|
}
|
|
|
|
func connectedNodeIds() -> [String] {
|
|
Array(self.connections.keys).sorted()
|
|
}
|
|
|
|
func connectedNodes() -> [BridgeNodeInfo] {
|
|
self.nodeInfoById.values.sorted { a, b in
|
|
(a.displayName ?? a.nodeId) < (b.displayName ?? b.nodeId)
|
|
}
|
|
}
|
|
|
|
func pairedNodes() async -> [PairedNode] {
|
|
guard let store = self.store else { return [] }
|
|
return await store.all()
|
|
}
|
|
|
|
private func registerConnection(handler: BridgeConnectionHandler, node: BridgeNodeInfo) async {
|
|
self.connections[node.nodeId] = handler
|
|
self.nodeInfoById[node.nodeId] = node
|
|
await self.beaconPresence(nodeId: node.nodeId, reason: "connect")
|
|
self.startPresenceTask(nodeId: node.nodeId)
|
|
self.ensureGatewayPushTask()
|
|
}
|
|
|
|
private func unregisterConnection(nodeId: String) async {
|
|
await self.beaconPresence(nodeId: nodeId, reason: "disconnect")
|
|
self.stopPresenceTask(nodeId: nodeId)
|
|
self.connections.removeValue(forKey: nodeId)
|
|
self.nodeInfoById.removeValue(forKey: nodeId)
|
|
self.chatSubscriptions[nodeId] = nil
|
|
self.stopGatewayPushTaskIfIdle()
|
|
}
|
|
|
|
private struct VoiceTranscriptPayload: Codable, Sendable {
|
|
var text: String
|
|
var sessionKey: String?
|
|
}
|
|
|
|
private func handleEvent(nodeId: String, evt: BridgeEventFrame) async {
|
|
switch evt.event {
|
|
case "chat.subscribe":
|
|
guard let json = evt.payloadJSON, let data = json.data(using: .utf8) else { return }
|
|
struct Subscribe: Codable { var sessionKey: String }
|
|
guard let payload = try? JSONDecoder().decode(Subscribe.self, from: data) else { return }
|
|
let key = payload.sessionKey.trimmingCharacters(in: .whitespacesAndNewlines)
|
|
guard !key.isEmpty else { return }
|
|
var set = self.chatSubscriptions[nodeId] ?? Set<String>()
|
|
set.insert(key)
|
|
self.chatSubscriptions[nodeId] = set
|
|
|
|
case "chat.unsubscribe":
|
|
guard let json = evt.payloadJSON, let data = json.data(using: .utf8) else { return }
|
|
struct Unsubscribe: Codable { var sessionKey: String }
|
|
guard let payload = try? JSONDecoder().decode(Unsubscribe.self, from: data) else { return }
|
|
let key = payload.sessionKey.trimmingCharacters(in: .whitespacesAndNewlines)
|
|
guard !key.isEmpty else { return }
|
|
var set = self.chatSubscriptions[nodeId] ?? Set<String>()
|
|
set.remove(key)
|
|
self.chatSubscriptions[nodeId] = set.isEmpty ? nil : set
|
|
|
|
case "voice.transcript":
|
|
guard let json = evt.payloadJSON, let data = json.data(using: .utf8) else {
|
|
return
|
|
}
|
|
guard let payload = try? JSONDecoder().decode(VoiceTranscriptPayload.self, from: data) else {
|
|
return
|
|
}
|
|
let text = payload.text.trimmingCharacters(in: .whitespacesAndNewlines)
|
|
guard !text.isEmpty else { return }
|
|
|
|
let sessionKey = payload.sessionKey?.trimmingCharacters(in: .whitespacesAndNewlines).nonEmpty
|
|
?? "main"
|
|
|
|
_ = await GatewayConnection.shared.sendAgent(GatewayAgentInvocation(
|
|
message: text,
|
|
sessionKey: sessionKey,
|
|
thinking: "low",
|
|
deliver: false,
|
|
to: nil,
|
|
channel: .last))
|
|
|
|
case "agent.request":
|
|
guard let json = evt.payloadJSON, let data = json.data(using: .utf8) else {
|
|
return
|
|
}
|
|
guard let link = try? JSONDecoder().decode(AgentDeepLink.self, from: data) else {
|
|
return
|
|
}
|
|
|
|
let message = link.message.trimmingCharacters(in: .whitespacesAndNewlines)
|
|
guard !message.isEmpty else { return }
|
|
guard message.count <= 20000 else { return }
|
|
|
|
let sessionKey = link.sessionKey?.trimmingCharacters(in: .whitespacesAndNewlines).nonEmpty
|
|
?? "node-\(nodeId)"
|
|
let thinking = link.thinking?.trimmingCharacters(in: .whitespacesAndNewlines).nonEmpty
|
|
let to = link.to?.trimmingCharacters(in: .whitespacesAndNewlines).nonEmpty
|
|
let channel = GatewayAgentChannel(raw: link.channel)
|
|
|
|
_ = await GatewayConnection.shared.sendAgent(GatewayAgentInvocation(
|
|
message: message,
|
|
sessionKey: sessionKey,
|
|
thinking: thinking,
|
|
deliver: link.deliver,
|
|
to: to,
|
|
channel: channel))
|
|
|
|
default:
|
|
break
|
|
}
|
|
}
|
|
|
|
private func handleRequest(nodeId: String, req: BridgeRPCRequest) async -> BridgeRPCResponse {
|
|
let allowed: Set<String> = ["chat.history", "chat.send", "health"]
|
|
guard allowed.contains(req.method) else {
|
|
return BridgeRPCResponse(
|
|
id: req.id,
|
|
ok: false,
|
|
error: BridgeRPCError(code: "FORBIDDEN", message: "Method not allowed"))
|
|
}
|
|
|
|
let params: [String: AnyCodable]?
|
|
if let json = req.paramsJSON?.trimmingCharacters(in: .whitespacesAndNewlines), !json.isEmpty {
|
|
guard let data = json.data(using: .utf8) else {
|
|
return BridgeRPCResponse(
|
|
id: req.id,
|
|
ok: false,
|
|
error: BridgeRPCError(code: "INVALID_REQUEST", message: "paramsJSON not UTF-8"))
|
|
}
|
|
do {
|
|
params = try JSONDecoder().decode([String: AnyCodable].self, from: data)
|
|
} catch {
|
|
return BridgeRPCResponse(
|
|
id: req.id,
|
|
ok: false,
|
|
error: BridgeRPCError(code: "INVALID_REQUEST", message: error.localizedDescription))
|
|
}
|
|
} else {
|
|
params = nil
|
|
}
|
|
|
|
do {
|
|
let data = try await GatewayConnection.shared.request(method: req.method, params: params, timeoutMs: 30000)
|
|
guard let json = String(data: data, encoding: .utf8) else {
|
|
return BridgeRPCResponse(
|
|
id: req.id,
|
|
ok: false,
|
|
error: BridgeRPCError(code: "UNAVAILABLE", message: "Response not UTF-8"))
|
|
}
|
|
return BridgeRPCResponse(id: req.id, ok: true, payloadJSON: json)
|
|
} catch {
|
|
return BridgeRPCResponse(
|
|
id: req.id,
|
|
ok: false,
|
|
error: BridgeRPCError(code: "UNAVAILABLE", message: error.localizedDescription))
|
|
}
|
|
}
|
|
|
|
private func ensureGatewayPushTask() {
|
|
if self.gatewayPushTask != nil { return }
|
|
self.gatewayPushTask = Task { [weak self] in
|
|
guard let self else { return }
|
|
do {
|
|
try await GatewayConnection.shared.refresh()
|
|
} catch {
|
|
// We'll still forward events once the gateway comes up.
|
|
}
|
|
let stream = await GatewayConnection.shared.subscribe()
|
|
for await push in stream {
|
|
if Task.isCancelled { return }
|
|
await self.forwardGatewayPush(push)
|
|
}
|
|
}
|
|
}
|
|
|
|
private func stopGatewayPushTaskIfIdle() {
|
|
guard self.connections.isEmpty else { return }
|
|
self.gatewayPushTask?.cancel()
|
|
self.gatewayPushTask = nil
|
|
}
|
|
|
|
private func forwardGatewayPush(_ push: GatewayPush) async {
|
|
let subscribedNodes = self.chatSubscriptions.keys.filter { self.connections[$0] != nil }
|
|
guard !subscribedNodes.isEmpty else { return }
|
|
|
|
switch push {
|
|
case let .snapshot(hello):
|
|
let payloadJSON = (try? JSONEncoder().encode(hello.snapshot.health))
|
|
.flatMap { String(data: $0, encoding: .utf8) }
|
|
for nodeId in subscribedNodes {
|
|
await self.connections[nodeId]?.sendServerEvent(event: "health", payloadJSON: payloadJSON)
|
|
}
|
|
case let .event(evt):
|
|
switch evt.event {
|
|
case "health":
|
|
guard let payload = evt.payload else { return }
|
|
let payloadJSON = (try? JSONEncoder().encode(payload))
|
|
.flatMap { String(data: $0, encoding: .utf8) }
|
|
for nodeId in subscribedNodes {
|
|
await self.connections[nodeId]?.sendServerEvent(event: "health", payloadJSON: payloadJSON)
|
|
}
|
|
case "tick":
|
|
for nodeId in subscribedNodes {
|
|
await self.connections[nodeId]?.sendServerEvent(event: "tick", payloadJSON: nil)
|
|
}
|
|
case "chat":
|
|
guard let payload = evt.payload else { return }
|
|
let payloadData = try? JSONEncoder().encode(payload)
|
|
let payloadJSON = payloadData.flatMap { String(data: $0, encoding: .utf8) }
|
|
|
|
struct MinimalChat: Codable { var sessionKey: String }
|
|
let sessionKey = payloadData.flatMap { try? JSONDecoder().decode(MinimalChat.self, from: $0) }?
|
|
.sessionKey
|
|
if let sessionKey {
|
|
for nodeId in subscribedNodes {
|
|
guard self.chatSubscriptions[nodeId]?.contains(sessionKey) == true else { continue }
|
|
await self.connections[nodeId]?.sendServerEvent(event: "chat", payloadJSON: payloadJSON)
|
|
}
|
|
} else {
|
|
for nodeId in subscribedNodes {
|
|
await self.connections[nodeId]?.sendServerEvent(event: "chat", payloadJSON: payloadJSON)
|
|
}
|
|
}
|
|
default:
|
|
break
|
|
}
|
|
case .seqGap:
|
|
for nodeId in subscribedNodes {
|
|
await self.connections[nodeId]?.sendServerEvent(event: "seqGap", payloadJSON: nil)
|
|
}
|
|
}
|
|
}
|
|
|
|
private func beaconPresence(nodeId: String, reason: String) async {
|
|
let paired = await self.store?.find(nodeId: nodeId)
|
|
let host = paired?.displayName?.trimmingCharacters(in: .whitespacesAndNewlines).nonEmpty
|
|
?? nodeId
|
|
let version = paired?.version?.trimmingCharacters(in: .whitespacesAndNewlines).nonEmpty
|
|
let platform = paired?.platform?.trimmingCharacters(in: .whitespacesAndNewlines).nonEmpty
|
|
let ip = await self.connections[nodeId]?.remoteAddress()
|
|
|
|
var tags: [String] = ["node", "ios"]
|
|
if let platform { tags.append(platform) }
|
|
|
|
let summary = [
|
|
"Node: \(host)\(ip.map { " (\($0))" } ?? "")",
|
|
platform.map { "platform \($0)" },
|
|
version.map { "app \($0)" },
|
|
"mode node",
|
|
"reason \(reason)",
|
|
].compactMap(\.self).joined(separator: " · ")
|
|
|
|
var params: [String: AnyCodable] = [
|
|
"text": AnyCodable(summary),
|
|
"instanceId": AnyCodable(nodeId),
|
|
"host": AnyCodable(host),
|
|
"mode": AnyCodable("node"),
|
|
"reason": AnyCodable(reason),
|
|
"tags": AnyCodable(tags),
|
|
]
|
|
if let ip { params["ip"] = AnyCodable(ip) }
|
|
if let version { params["version"] = AnyCodable(version) }
|
|
await GatewayConnection.shared.sendSystemEvent(params)
|
|
}
|
|
|
|
private func startPresenceTask(nodeId: String) {
|
|
self.presenceTasks[nodeId]?.cancel()
|
|
self.presenceTasks[nodeId] = Task.detached { [weak self] in
|
|
while !Task.isCancelled {
|
|
try? await Task.sleep(nanoseconds: 180 * 1_000_000_000)
|
|
if Task.isCancelled { return }
|
|
await self?.beaconPresence(nodeId: nodeId, reason: "periodic")
|
|
}
|
|
}
|
|
}
|
|
|
|
private func stopPresenceTask(nodeId: String) {
|
|
self.presenceTasks[nodeId]?.cancel()
|
|
self.presenceTasks.removeValue(forKey: nodeId)
|
|
}
|
|
|
|
private func authorize(hello: BridgeHello) async -> BridgeConnectionHandler.AuthResult {
|
|
let nodeId = hello.nodeId.trimmingCharacters(in: .whitespacesAndNewlines)
|
|
if nodeId.isEmpty {
|
|
return .error(code: "INVALID_REQUEST", message: "nodeId required")
|
|
}
|
|
guard let store = self.store else {
|
|
return .error(code: "UNAVAILABLE", message: "store unavailable")
|
|
}
|
|
guard let paired = await store.find(nodeId: nodeId) else {
|
|
return .notPaired
|
|
}
|
|
guard let token = hello.token, token == paired.token else {
|
|
return .unauthorized
|
|
}
|
|
|
|
do {
|
|
var updated = paired
|
|
let name = hello.displayName?.trimmingCharacters(in: .whitespacesAndNewlines).nonEmpty
|
|
let platform = hello.platform?.trimmingCharacters(in: .whitespacesAndNewlines).nonEmpty
|
|
let version = hello.version?.trimmingCharacters(in: .whitespacesAndNewlines).nonEmpty
|
|
let deviceFamily = hello.deviceFamily?.trimmingCharacters(in: .whitespacesAndNewlines).nonEmpty
|
|
let modelIdentifier = hello.modelIdentifier?.trimmingCharacters(in: .whitespacesAndNewlines).nonEmpty
|
|
|
|
if updated.displayName != name { updated.displayName = name }
|
|
if updated.platform != platform { updated.platform = platform }
|
|
if updated.version != version { updated.version = version }
|
|
if updated.deviceFamily != deviceFamily { updated.deviceFamily = deviceFamily }
|
|
if updated.modelIdentifier != modelIdentifier { updated.modelIdentifier = modelIdentifier }
|
|
|
|
if updated != paired {
|
|
try await store.upsert(updated)
|
|
} else {
|
|
try await store.touchSeen(nodeId: nodeId)
|
|
}
|
|
} catch {
|
|
// ignore
|
|
}
|
|
return .ok
|
|
}
|
|
|
|
private func pair(request: BridgePairRequest) async -> BridgeConnectionHandler.PairResult {
|
|
let nodeId = request.nodeId.trimmingCharacters(in: .whitespacesAndNewlines)
|
|
if nodeId.isEmpty {
|
|
return .error(code: "INVALID_REQUEST", message: "nodeId required")
|
|
}
|
|
guard let store = self.store else {
|
|
return .error(code: "UNAVAILABLE", message: "store unavailable")
|
|
}
|
|
let existing = await store.find(nodeId: nodeId)
|
|
|
|
let approved = await BridgePairingApprover.approve(request: request, isRepair: existing != nil)
|
|
if !approved {
|
|
return .rejected
|
|
}
|
|
|
|
let token = UUID().uuidString.replacingOccurrences(of: "-", with: "")
|
|
let nowMs = Int(Date().timeIntervalSince1970 * 1000)
|
|
let node = PairedNode(
|
|
nodeId: nodeId,
|
|
displayName: request.displayName,
|
|
platform: request.platform,
|
|
version: request.version,
|
|
deviceFamily: request.deviceFamily,
|
|
modelIdentifier: request.modelIdentifier,
|
|
token: token,
|
|
createdAtMs: nowMs,
|
|
lastSeenAtMs: nowMs)
|
|
do {
|
|
try await store.upsert(node)
|
|
return .ok(token: token)
|
|
} catch {
|
|
return .error(code: "UNAVAILABLE", message: "failed to persist pairing")
|
|
}
|
|
}
|
|
|
|
private static func defaultStoreURL() throws -> URL {
|
|
let base = FileManager.default.urls(for: .applicationSupportDirectory, in: .userDomainMask).first
|
|
guard let base else {
|
|
throw NSError(
|
|
domain: "Bridge",
|
|
code: 1,
|
|
userInfo: [NSLocalizedDescriptionKey: "Application Support unavailable"])
|
|
}
|
|
return base
|
|
.appendingPathComponent("Clawdbot", isDirectory: true)
|
|
.appendingPathComponent("bridge", isDirectory: true)
|
|
.appendingPathComponent("paired-nodes.json", isDirectory: false)
|
|
}
|
|
}
|
|
|
|
@MainActor
|
|
enum BridgePairingApprover {
|
|
static func approve(request: BridgePairRequest, isRepair: Bool) async -> Bool {
|
|
await withCheckedContinuation { cont in
|
|
let name = request.displayName ?? request.nodeId
|
|
let remote = request.remoteAddress?.trimmingCharacters(in: .whitespacesAndNewlines).nonEmpty
|
|
let alert = NSAlert()
|
|
alert.messageText = isRepair ? "Re-pair Clawdbot Node?" : "Pair Clawdbot Node?"
|
|
alert.informativeText = """
|
|
Node: \(name)
|
|
IP: \(remote ?? "unknown")
|
|
Platform: \(request.platform ?? "unknown")
|
|
Version: \(request.version ?? "unknown")
|
|
"""
|
|
alert.addButton(withTitle: "Approve")
|
|
alert.addButton(withTitle: "Reject")
|
|
if #available(macOS 11.0, *), alert.buttons.indices.contains(1) {
|
|
alert.buttons[1].hasDestructiveAction = true
|
|
}
|
|
let resp = alert.runModal()
|
|
cont.resume(returning: resp == .alertFirstButtonReturn)
|
|
}
|
|
}
|
|
}
|
|
|
|
#if DEBUG
|
|
extension BridgeServer {
|
|
func exerciseForTesting() async {
|
|
let conn = NWConnection(to: .hostPort(host: "127.0.0.1", port: 22), using: .tcp)
|
|
let handler = BridgeConnectionHandler(connection: conn, logger: self.logger)
|
|
self.connections["node-1"] = handler
|
|
self.nodeInfoById["node-1"] = BridgeNodeInfo(
|
|
nodeId: "node-1",
|
|
displayName: "Node One",
|
|
platform: "macOS",
|
|
version: "1.0.0",
|
|
deviceFamily: "Mac",
|
|
modelIdentifier: "MacBookPro18,1",
|
|
remoteAddress: "127.0.0.1",
|
|
caps: ["chat", "voice"])
|
|
|
|
_ = self.connectedNodeIds()
|
|
_ = self.connectedNodes()
|
|
|
|
self.handleListenerState(.ready)
|
|
self.handleListenerState(.failed(NWError.posix(.ECONNREFUSED)))
|
|
self.handleListenerState(.waiting(NWError.posix(.ETIMEDOUT)))
|
|
self.handleListenerState(.cancelled)
|
|
self.handleListenerState(.setup)
|
|
|
|
let subscribe = BridgeEventFrame(event: "chat.subscribe", payloadJSON: "{\"sessionKey\":\"main\"}")
|
|
await self.handleEvent(nodeId: "node-1", evt: subscribe)
|
|
|
|
let unsubscribe = BridgeEventFrame(event: "chat.unsubscribe", payloadJSON: "{\"sessionKey\":\"main\"}")
|
|
await self.handleEvent(nodeId: "node-1", evt: unsubscribe)
|
|
|
|
let invalid = BridgeRPCRequest(id: "req-1", method: "invalid.method", paramsJSON: nil)
|
|
_ = await self.handleRequest(nodeId: "node-1", req: invalid)
|
|
}
|
|
}
|
|
#endif
|