Feature/3811 appconfig

bwi/AppConfig/AppConfigService.swift

@@ -35,7 +35,7 @@ extension UserDefaults
 @objcMembers class AppConfigService : NSObject {
     static let shared = AppConfigService()
     
-    private let serverUrlKey = "serverUrl"
+    private let serverUrlKey = "home_server_url"
     private let contentScannerKey = "contentScanner"
     private let pusherUrlKey = "pusherUrl"
     private let permalinkUrlKey = "permalinkUrl"
@@ -50,10 +50,14 @@ extension UserDefaults
     
     var session: MXSession?
     
+    var isAppConfig: Bool
+    
     private func loadAppConfig() {
+        isAppConfig = false
         do {
             if let dataIn = UserDefaults.standard.value(forKey: savedConfig) as? Data {
                 appConfig = try JSONDecoder().decode(AppConfig.self, from: dataIn)
+                isAppConfig = true
             }
         } catch {
             
@@ -70,17 +74,18 @@ extension UserDefaults
     }
     
     private func checkUrlSavety(_ serverUrl: String) -> Bool {
-        if serverUrl.hasSuffix("bwi.de")
-            || serverUrl.hasSuffix("example.com")
-            || serverUrl.hasSuffix("example.com")
-            || serverUrl.hasSuffix("example.com") {
-            return true
+        if BWIBuildSettings.shared.bwiEnableLoginProtection {
+            let protectionService = LoginProtectionService()
+            protectionService.hashes = BWIBuildSettings.shared.bwiHashes
+            
+            return protectionService.isValid(serverUrl)
         } else {
-            return false
+            return true
         }
     }
     
     override init() {
+        isAppConfig = false
         super.init()
         self.loadAppConfig()
     }
@@ -93,12 +98,13 @@ extension UserDefaults
     }
     
     func handleAppConfig() {
-        
         if let dict = UserDefaults.standard.dictionary(forKey: configKey) {
             var config = AppConfig()
             
             if let serverUrl = dict[serverUrlKey] as? String {
-                if checkUrlSavety(serverUrl) {
+                if serverUrl.count == 0 {
+                    config.serverUrl = nil
+                } else if checkUrlSavety(serverUrl) {
                     config.serverUrl = serverUrl
                 }
             }
@@ -118,6 +124,9 @@ extension UserDefaults
                 }
             }
             
+            // app config needs at least a valid server url
+            isAppConfig = (config.serverUrl != nil)
+            
             if config != appConfig {
                 appConfig = config
                 self.saveAppConfig()
@@ -125,6 +134,8 @@ extension UserDefaults
                     completion(true)
                 }
             }
+            
+            UserDefaults.standard.removeObject(forKey: configKey)
         }
     }