Merge pull request #607 from Iterable/jay/MOB-5735-identity-auth-token

[MOB-5736] allow setting auth token through identity

Author: roninopf

swift-sdk/Internal/InternalIterableAPI.swift

@@ -104,6 +104,11 @@ final class InternalIterableAPI: NSObject, PushTrackerProtocol, AuthProvider {
     func setEmail(_ email: String?, authToken: String? = nil) {
         ITBInfo()
 
+        if _email == email && email != nil && authToken != nil {
+            checkAndUpdateAuthToken(authToken)
+            return
+        }
+        
         if _email == email {
             return
         }
@@ -121,6 +126,11 @@ final class InternalIterableAPI: NSObject, PushTrackerProtocol, AuthProvider {
     func setUserId(_ userId: String?, authToken: String? = nil) {
         ITBInfo()
 
+        if _userId == userId && userId != nil && authToken != nil {
+            checkAndUpdateAuthToken(authToken)
+            return
+        }
+        
         if _userId == userId {
             return
         }
@@ -537,6 +547,12 @@ final class InternalIterableAPI: NSObject, PushTrackerProtocol, AuthProvider {
         }
     }
 
+    private func checkAndUpdateAuthToken(_ authToken: String? = nil) {
+        if config.authDelegate != nil && authToken != authManager.getAuthToken() {
+            onLogin(authToken)
+        }
+    }
+    
     init(apiKey: String,
          launchOptions: [UIApplication.LaunchOptionsKey: Any]? = nil,
          config: IterableConfig = IterableConfig(),