chore: sign user out on launch if token expired

Author: ethanndickson

Coder Desktop/Coder Desktop/Coder_DesktopApp.swift

@@ -56,6 +56,10 @@ class AppDelegate: NSObject, NSApplicationDelegate {
                 state.reconfigure()
             }
         }
+        // Sign out if token is expired
+        Task { @MainActor in
+            await state.handleTokenExpiry()
+        }
     }
 
     // This function MUST eventually call `NSApp.reply(toApplicationShouldTerminate: true)`

Coder Desktop/Coder Desktop/State.swift

@@ -4,6 +4,7 @@ import KeychainAccess
 import NetworkExtension
 import SwiftUI
 
+@MainActor
 class AppState: ObservableObject {
     let appId = Bundle.main.bundleIdentifier!
 
@@ -94,6 +95,9 @@ class AppState: ObservableObject {
         )
         if hasSession {
             _sessionToken = Published(initialValue: keychainGet(for: Keys.sessionToken))
+            if sessionToken == nil || sessionToken!.isEmpty == true {
+                hasSession = false
+            }
         }
     }
 
@@ -104,6 +108,23 @@ class AppState: ObservableObject {
         reconfigure()
     }
 
+    public func handleTokenExpiry() async {
+        if hasSession {
+            let client = Client(url: baseAccessURL!, token: sessionToken!)
+            do {
+                _ = try await client.user("me")
+            } catch let ClientError.api(apiErr) {
+                // Expired token
+                if apiErr.statusCode == 401 {
+                    clearSession()
+                }
+            } catch {
+                // Some other failure, we'll show an error if they try and do something
+                return
+            }
+        }
+    }
+
     public func clearSession() {
         hasSession = false
         sessionToken = nil

Coder Desktop/CoderSDK/Client.swift

@@ -104,10 +104,10 @@ public struct Client {
 }
 
 public struct APIError: Decodable, Sendable {
-    let response: Response
-    let statusCode: Int
-    let method: String
-    let url: URL
+    public let response: Response
+    public let statusCode: Int
+    public let method: String
+    public let url: URL
 
     var description: String {
         var components = ["\(method) \(url.absoluteString)\nUnexpected status code \(statusCode):\n\(response.message)"]