Bug fix/some bugs

Classes/Settings/SyncSettingsController.swift

@@ -193,9 +193,6 @@ class SyncSettingsController: UITableViewController {
 
       alert.addAction(cancelAction)
       self.present(alert, animated: true)
-
-      sender.text = ""
-      sender.placeholder = "Enter valid URL"
     }
 
     // The user just changed URLs.  Let's see if they had any local changes.

Classes/Sync/Dropbox/DropboxTransferManager.swift

@@ -215,7 +215,23 @@ import SwiftyDropbox
               self.requestFinished(self.activeTransfer!)
             }
             if let error = error {
-              self.activeTransfer?.errorText = error.description
+              switch error as CallError {
+              case .routeError(let boxed, _):
+                switch boxed.unboxed as Files.DownloadError {
+                case .path(let lookupError):
+                  switch lookupError {
+                  case .notFound:
+                    self.activeTransfer?.statusCode = 404
+                    self.activeTransfer?.errorText = "The file \(self.activeTransfer?.remoteUrl.lastPathComponent) could not be found"
+                  default:
+                    self.activeTransfer?.errorText = error.description
+                  }
+                default:
+                  self.activeTransfer?.errorText = error.description
+                }
+              default:
+                self.activeTransfer?.errorText = error.description
+              }
               self.activeTransfer?.success = false
               self.requestFinished(self.activeTransfer!)
             }

Classes/Sync/SyncManager.m

@@ -21,7 +21,7 @@
 //
 
 #import "SyncManager.h"
-#import "WebDavTransferManager.h"
+#import "TransferManager.h"
 #import "TransferContext.h"
 #import "Settings.h"
 #import "DataUtils.h"
@@ -93,7 +93,7 @@ - (id)init {
 
 - (TransferManager*)transferManager {
     if ([[Settings instance] serverMode] == ServerModeWebDav) {
-        return [WebDavTransferManager instance];
+        return (TransferManager *)[WebDavTransferManager instance];
     } else if ([[Settings instance] serverMode] == ServerModeDropbox) {
         return (TransferManager *)[DropboxTransferManager instance];
     }
@@ -753,6 +753,19 @@ - (void)transferComplete:(TransferContext*)context {
 
 - (void)transferFailed:(TransferContext*)context {
     //NSLog(@"Failed %@ with code %d", [context remoteUrl], [context statusCode]);
+
+    switch ([context statusCode] ) {
+        case NSURLErrorAppTransportSecurityRequiresSecureConnection:
+            [self showAlert:@"ATS Error" withText:@"A secure connection could not be established.\nPlease make sure that you're using a secure connection"];
+            [self abort];
+            return;
+      case NSURLErrorSecureConnectionFailed:
+        [self showAlert:@"ATS Error" withText:@"A secure connection could not be established.\nPlease make sure that you're using a secure connection with valid certificates"];
+        [self abort];
+        return;
+
+    }
+
     switch (currentState) {
         case SyncManagerTransferStateDownloadingEditsFile:
             if ([context statusCode] == 404) {

Classes/Sync/TransferContext.h

@@ -42,15 +42,15 @@ typedef enum {
     NSString *errorText;
     bool success;
     bool abortOnFailure;
-    UInt32 statusCode;
+    int statusCode;
     bool dummy;
 }
 
 @property (nonatomic, copy) NSURL *remoteUrl;
 @property (nonatomic, copy) NSString *localFile;
 @property (nonatomic) TransferType transferType;
 @property (nonatomic, assign) id<TransferManagerDelegate> delegate;
-@property (nonatomic) UInt32 statusCode;
+@property (nonatomic) int statusCode;
 @property (nonatomic, copy) NSString *errorText;
 @property (nonatomic) bool abortOnFailure;
 @property (nonatomic) bool success;

Classes/Sync/WebDav/WebDavTransferManager.m

@@ -261,7 +261,40 @@ - (void)connection:(NSURLConnection*)aConnection didReceiveData:(NSData*)someDat
 -(void)connection:(NSURLConnection*)connection didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge*)challenge {
     if ([challenge previousFailureCount] == 0) {
         if ([[challenge protectionSpace] authenticationMethod] == NSURLAuthenticationMethodServerTrust) {
-            [challenge.sender useCredential:[NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust] forAuthenticationChallenge:challenge];            
+            NSURLCredential *credential = [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust];
+            [challenge.sender useCredential:credential forAuthenticationChallenge:challenge];
+
+            UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"SSL Handshake" message:@"Server Ceritificate could not be validated.\nWould you like to continiue?" preferredStyle:UIAlertControllerStyleAlert];
+
+            UIAlertAction* ok = [UIAlertAction actionWithTitle:@"Yes"
+                                                         style:UIAlertActionStyleDefault
+                                                       handler:^(UIAlertAction *action) {
+
+
+                                                           [challenge.sender continueWithoutCredentialForAuthenticationChallenge:challenge];
+
+                                                       }];
+
+            UIAlertAction* cancel = [UIAlertAction actionWithTitle:@"No" style:UIAlertActionStyleDefault
+                                                           handler:^(UIAlertAction * action) {
+                                                               [alertController dismissViewControllerAnimated:YES completion:nil];
+                                                           }];
+
+            [alertController addAction:ok];
+            [alertController addAction:cancel];
+
+            id rootViewController = [UIApplication sharedApplication].delegate.window.rootViewController;
+            if([rootViewController isKindOfClass:[UINavigationController class]])
+              {
+                rootViewController = ((UINavigationController *)rootViewController).viewControllers.firstObject;
+              }
+            if([rootViewController isKindOfClass:[UITabBarController class]])
+              {
+                rootViewController = ((UITabBarController *)rootViewController).selectedViewController;
+              }
+            [rootViewController presentViewController:alertController animated:YES completion:nil];
+
+
         }
         else {
             NSURLCredential *newCredential;
@@ -281,6 +314,7 @@ -(void)connection:(NSURLConnection*)connection didReceiveAuthenticationChallenge
 // In simulator on 4.x, the workaround for allowsAnyHTTPSCertificateForHost doesn't work,
 // so use this instead (along with the bit in didReceiveAuthenticationChallenge about NSURLAuthenticationMethodServerTrust.
 - (BOOL)connection:(NSURLConnection *)connection canAuthenticateAgainstProtectionSpace:(NSURLProtectionSpace *)protectionSpace {
+        // return [protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust];
     return YES;
 }