Set request attribution to user

Gemini-iOS/BrowserWebViewController.swift

@@ -201,6 +201,9 @@ class BrowserWebViewController: UIViewController {
                 }
             }
         }
+        if #available(iOS 15.0, *) {
+            task!.attribution = .user
+        }
         task!.resume()
     }
     

GeminiProtocol/GeminiDataTask.swift

@@ -17,6 +17,17 @@ public class GeminiDataTask {
     private let completion: Completion
     private var state = State.unstarted
     private let connection: NWConnection
+    // todo: remove stupid hack when deployment target is >= iOS 15/macOS 12
+    private var _attribution: Any? = nil
+    @available(iOS 15.0, *)
+    public var attribution: NWParameters.Attribution {
+        get {
+            _attribution as? NWParameters.Attribution ?? .developer
+        }
+        set {
+            _attribution = newValue
+        }
+    }
     
     public init(request: GeminiRequest, completion: @escaping Completion) {
         self.request = request
@@ -25,6 +36,10 @@ public class GeminiDataTask {
         let endpoint: NWEndpoint = .hostPort(host: NWEndpoint.Host(request.url.host!), port: NWEndpoint.Port(rawValue: port)!)
         self.connection = NWConnection(to: endpoint, using: .gemini)
         
+        if #available(iOS 15.0, *) {
+            connection.parameters.attribution = attribution
+        }
+        
         self.connection.stateUpdateHandler = { (newState) in
             switch newState {
             case .ready:

GeminiProtocol/NWParameters+Gemini.swift

@@ -8,6 +8,8 @@
 import Network
 
 extension NWParameters {
+    /// An NWParameters configured with the GeminiProtocol and appropriate TLS options.
+    /// This property always returns a new NWParameters instance.
     static var gemini: NWParameters {
         let tlsOptions = geminiTLSOptions
         let tcpOptions = NWProtocolTCP.Options()