nip42: add initial relay auth support

Lightning-Invoice: lnbc1pjcpaakpp5gjs4f626hf8w6slx84xz3wwhlf309z503rjutckdxv6wwg5ldavsdqqcqzpgxqrrs0fppqjaxxw43p7em4g59vedv7pzl76kt0qyjfsp5qcp9de7a7t8h6zs5mcssfaqp4exrnkehqtg2hf0ary3z5cjnasvs9qyyssq55523e4h3cazhkv7f8jqf5qp0n8spykls49crsu5t3m636u3yj4qdqjkdl2nxf6jet5t2r2pfrxmm8rjpqjd3ylrzqq89m4gqt5l6ycqf92c7h
Closes: https://github.com/damus-io/damus/issues/940
Signed-off-by: Charlie Fish <contact@charlie.fish>
Signed-off-by: William Casarin <jb55@jb55.com>
Changelog-Added: Add NIP-42 relay auth support

damus/Views/Onboarding/SuggestedUsersViewModel.swift

@@ -97,6 +97,9 @@ class SuggestedUsersViewModel: ObservableObject {
 
         case .ok:
             break
+
+        case .auth:
+            break
         }
     }
 }

damus/Views/Relays/Detail/RelayAuthenticationDetail.swift

@@ -0,0 +1,35 @@
+//
+//  RelayAuthenticationDetail.swift
+//  damus
+//
+//  Created by Charlie Fish on 12/18/23.
+//
+
+import SwiftUI
+
+struct RelayAuthenticationDetail: View {
+    let state: RelayAuthenticationState
+
+    var body: some View {
+        switch state {
+        case .none:
+            EmptyView()
+        case .pending:
+            Text(NSLocalizedString("Pending", comment: "Label to display that authentication to a server is pending."))
+        case .verified:
+            Text(NSLocalizedString("Authenticated", comment: "Label to display that authentication to a server has succeeded."))
+                .foregroundStyle(DamusColors.success)
+        case .error:
+            Text(NSLocalizedString("Error", comment: "Label to display that authentication to a server has failed."))
+                .foregroundStyle(DamusColors.danger)
+        }
+    }
+}
+
+struct RelayAuthenticationDetail_Previews: PreviewProvider {
+    static var previews: some View {
+        RelayAuthenticationDetail(state: .none)
+        RelayAuthenticationDetail(state: .pending)
+        RelayAuthenticationDetail(state: .verified)
+    }
+}

damus/Views/Relays/RelayDetailView.swift

@@ -92,7 +92,14 @@ struct RelayDetailView: View {
                         }
                     }
                 }
-                
+
+                if let authentication_state: RelayAuthenticationState = relay_object?.authentication_state,
+                   authentication_state != .none {
+                    Section(NSLocalizedString("Authentication", comment: "Header label to display authentication details for a given relay.")) {
+                        RelayAuthenticationDetail(state: authentication_state)
+                    }
+                }
+
                 if let pubkey = nip11?.pubkey {
                     Section(NSLocalizedString("Admin", comment: "Label to display relay contact user.")) {
                         UserViewRow(damus_state: state, pubkey: pubkey)
@@ -175,9 +182,13 @@ struct RelayDetailView: View {
         }
         return attrString
     }
-    
+
+    private var relay_object: Relay? {
+        state.pool.get_relay(relay)
+    }
+
     private var relay_connection: RelayConnection? {
-        state.pool.get_relay(relay)?.connection
+        relay_object?.connection
     }
 }
 

damus/Views/SaveKeysView.swift

@@ -165,6 +165,8 @@ struct SaveKeysView: View {
                 break
             case .ok:
                 break
+            case .auth:
+                break
             }
         }
     }