Revoke token and destroy stores when logging out

Packages/Pachyderm/Sources/Pachyderm/Client.swift

@@ -155,6 +155,27 @@ public class Client {
         }
     }
     
+    public func revokeAccessToken() async throws {
+        guard let accessToken else {
+            return
+        }
+        let request = Request<Empty>(method: .post, path: "/oauth/revoke", body: ParametersBody([
+            "token" => accessToken,
+            "client_id" => clientID!,
+            "client_secret" => clientSecret!,
+        ]))
+        return try await withCheckedThrowingContinuation({ continuation in
+            self.run(request) { response in
+                switch response {
+                case .failure(let error):
+                    continuation.resume(throwing: error)
+                case .success(_, _):
+                    continuation.resume()
+                }
+            }
+        })
+    }
+    
     public func nodeInfo(completion: @escaping Callback<NodeInfo>) {
         let wellKnown = Request<WellKnown>(method: .get, path: "/.well-known/nodeinfo")
         run(wellKnown) { result in

Tusker.xcodeproj/project.pbxproj

@@ -326,6 +326,7 @@
 		D6DD2A45273D6C5700386A6C /* GIFImageView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6DD2A44273D6C5700386A6C /* GIFImageView.swift */; };
 		D6DD353D22F28CD000A9563A /* ContentWarningCopyMode.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6DD353C22F28CD000A9563A /* ContentWarningCopyMode.swift */; };
 		D6DD353F22F502EC00A9563A /* Preferences+Notification.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6DD353E22F502EC00A9563A /* Preferences+Notification.swift */; };
+		D6DD8FFD298495A8002AD3FD /* LogoutService.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6DD8FFC298495A8002AD3FD /* LogoutService.swift */; };
 		D6DF95C12533F5DE0027A9B6 /* RelationshipMO.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6DF95C02533F5DE0027A9B6 /* RelationshipMO.swift */; };
 		D6DFC69E242C490400ACC392 /* TrackpadScrollGestureRecognizer.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6DFC69D242C490400ACC392 /* TrackpadScrollGestureRecognizer.swift */; };
 		D6DFC6A0242C4CCC00ACC392 /* Weak.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6DFC69F242C4CCC00ACC392 /* Weak.swift */; };
@@ -738,6 +739,7 @@
 		D6DD2A44273D6C5700386A6C /* GIFImageView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GIFImageView.swift; sourceTree = "<group>"; };
 		D6DD353C22F28CD000A9563A /* ContentWarningCopyMode.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContentWarningCopyMode.swift; sourceTree = "<group>"; };
 		D6DD353E22F502EC00A9563A /* Preferences+Notification.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Preferences+Notification.swift"; sourceTree = "<group>"; };
+		D6DD8FFC298495A8002AD3FD /* LogoutService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LogoutService.swift; sourceTree = "<group>"; };
 		D6DF95C02533F5DE0027A9B6 /* RelationshipMO.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RelationshipMO.swift; sourceTree = "<group>"; };
 		D6DFC69D242C490400ACC392 /* TrackpadScrollGestureRecognizer.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TrackpadScrollGestureRecognizer.swift; sourceTree = "<group>"; };
 		D6DFC69F242C4CCC00ACC392 /* Weak.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Weak.swift; sourceTree = "<group>"; };
@@ -1664,6 +1666,7 @@
 				D61F75B4293BD97400C0B37F /* DeleteFilterService.swift */,
 				D65B4B6129771A3F00DABDFB /* FetchStatusService.swift */,
 				D65B4B6529773AE600DABDFB /* DeleteStatusService.swift */,
+				D6DD8FFC298495A8002AD3FD /* LogoutService.swift */,
 			);
 			path = API;
 			sourceTree = "<group>";
@@ -1941,6 +1944,7 @@
 				D6093FB725BE0CF3004811E6 /* TrendHistoryView.swift in Sources */,
 				D6EBF01723C55E0D00AE061B /* UISceneSession+MastodonController.swift in Sources */,
 				D61F759229365C6C00C0B37F /* CollectionViewController.swift in Sources */,
+				D6DD8FFD298495A8002AD3FD /* LogoutService.swift in Sources */,
 				04DACE8C212CB14B009840C4 /* MainTabBarViewController.swift in Sources */,
 				D68E525D24A3E8F00054355A /* SearchViewController.swift in Sources */,
 				D61F75BB293C183100C0B37F /* HTMLConverter.swift in Sources */,

Tusker/API/LogoutService.swift

@@ -0,0 +1,35 @@
+//
+//  LogoutService.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 1/27/23.
+//  Copyright © 2023 Shadowfacts. All rights reserved.
+//
+
+import Foundation
+
+@MainActor
+class LogoutService {
+    let accountInfo: LocalData.UserAccountInfo
+    private let mastodonController: MastodonController
+    
+    init(accountInfo: LocalData.UserAccountInfo) {
+        self.accountInfo = accountInfo
+        self.mastodonController = MastodonController.getForAccount(accountInfo)
+    }
+    
+    func run() {
+        Task.detached {
+            try? await self.mastodonController.client.revokeAccessToken()
+        }
+        MastodonController.removeForAccount(accountInfo)
+        LocalData.shared.removeAccount(accountInfo)
+        let psc = mastodonController.persistentContainer.persistentStoreCoordinator
+        for store in psc.persistentStores {
+            guard let url = store.url else {
+                continue
+            }
+            try? psc.destroyPersistentStore(at: url, type: .sqlite)
+        }
+    }
+}

Tusker/API/MastodonController.swift

@@ -31,6 +31,10 @@ class MastodonController: ObservableObject {
         }
     }
     
+    static func removeForAccount(_ account: LocalData.UserAccountInfo) {
+        all.removeValue(forKey: account)
+    }
+    
     static func resetAll() {
         all = [:]
     }

Tusker/Scenes/MainSceneDelegate.swift

@@ -214,7 +214,7 @@ class MainSceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDelegate
         guard let account = window?.windowScene?.session.mastodonController?.accountInfo else {
             return
         }
-        LocalData.shared.removeAccount(account)
+        LogoutService(accountInfo: account).run()
         if LocalData.shared.onboardingComplete {
             activateAccount(LocalData.shared.accounts.first!, animated: false)
         } else {

Tusker/Screens/Preferences/PreferencesNavigationController.swift

@@ -85,7 +85,7 @@ class PreferencesNavigationController: UINavigationController {
                 sceneDelegate.logoutCurrent()
             }
         } else {
-            LocalData.shared.removeAccount(LocalData.shared.getMostRecentAccount()!)
+            LogoutService(accountInfo: LocalData.shared.getMostRecentAccount()!).run()
             let accountID = LocalData.shared.getMostRecentAccount()?.id
             UIApplication.shared.requestSceneSessionActivation(nil, userActivity: UserActivityManager.mainSceneActivity(accountID: accountID), options: nil)
             UIApplication.shared.requestSceneSessionDestruction(windowScene.session, options: nil)

Tusker/Screens/Preferences/PreferencesView.swift

@@ -54,7 +54,7 @@ struct PreferencesView: View {
                             indices.remove(index)
                         }
                         
-                        indices.forEach { localData.removeAccount(localData.accounts[$0]) }
+                        indices.forEach { LogoutService(accountInfo: localData.accounts[$0]).run() }
                         
                         if logoutFromCurrent {
                             self.logoutPressed()