Webmail: fix encoding of subfolder name

Fixes #2637

NEWS

@@ -1,5 +1,5 @@
-2.2.0a (2014-03-XX)
--------------------
+2.2.1 (2014-03-XX)
+------------------
 
 Enhancements
  - updated Czech, Finnish, and Hungarian translations
@@ -11,6 +11,7 @@ Bug fixes
  - fixed sorting of events list by calendar name (#2629)
  - fixed wrong date format leading to Android email syncing issues (#2609)
  - fixed possible exception when retrieving the default event reminder value (#2624)
+ - fixed encoding of mail folder name when creating a subfolder (#2637)
 
 2.2.0 (2014-02-24)
 ------------------

SoObjects/Mailer/SOGoMailFolder.m

@@ -44,6 +44,7 @@
 
 #import <NGImap4/NGImap4Connection.h>
 #import <NGImap4/NGImap4Client.h>
+#import <NGImap4/NSString+Imap4.h>
 
 #import <SOGo/DOMNode+SOGo.h>
 #import <SOGo/NSArray+Utilities.h>
@@ -293,7 +294,7 @@ static NSString *defaultUserID =  @"anyone";
           destURL = [[NSURL alloc] initWithScheme: [imap4URL scheme]
                                              host: [imap4URL host]
                                              path: [NSString stringWithFormat: @"%@%@",
-                                                             path, newName]];
+                                                             path, [newName stringByEncodingImap4FolderName]]];
           [destURL autorelease];
           error = [imap4 moveMailboxAtURL: imap4URL
                                     toURL: destURL];
@@ -994,7 +995,7 @@ static NSString *defaultUserID =  @"anyone";
 
   if ([self imap4Connection])
     {
-      error = [imap4 createMailbox: [self relativeImap4Name]
+      error = [imap4 createMailbox: [[self relativeImap4Name] stringByEncodingImap4FolderName]
                              atURL: [container imap4URL]];
       if (error)
         rc = NO;

UI/MailerUI/UIxMailFolderActions.m

@@ -28,8 +28,11 @@
 #import <NGObjWeb/WOContext+SoObjects.h>
 #import <NGObjWeb/WOResponse.h>
 #import <NGObjWeb/WORequest.h>
+
 #import <NGImap4/NGImap4Connection.h>
 #import <NGImap4/NGImap4Client.h>
+#import <NGImap4/NSString+Imap4.h>
+
 #import <EOControl/EOQualifier.h>
 
 #import <Mailer/SOGoMailAccount.h>
@@ -60,6 +63,7 @@
   folderName = [[context request] formValueForKey: @"name"];
   if ([folderName length] > 0)
     {
+      folderName = [folderName stringByEncodingImap4FolderName];
       newFolder
         = [co lookupName: [NSString stringWithFormat: @"folder%@", folderName]
                inContext: context