public static void AddInternetPassword(Uri uri, string username, string password)
{
// See if there is already a password there for this uri
var record = SecKeychainFindInternetPassword(uri, out SecRecord searchRecord);
if (record == null)
{
record = uri.ToSecRecord(username, password);
SecStatusCode result = SecKeyChain.Add(record);
if (result != SecStatusCode.Success && result != SecStatusCode.DuplicateItem)
{
throw new Exception("Could not add internet password to keychain: " + result.GetStatusDescription());
}
return;
}
// If there is, replace it with the new one
var update = uri.ToSecRecord(username, password);
SecKeyChain.Update(record, update);
}
static unsafe string GetUsernameFromKeychainItemRef(IntPtr itemRef)
{
int[] formatConstants = { (int)CssmDbAttributeFormat.String };
int[] attributeTags = { (int)SecItemAttr.Account };
fixed(int *tags = attributeTags, formats = formatConstants)
{
var attributeInfo = new SecKeychainAttributeInfo {
Count = 1,
Tag = tags,
Format = formats
};
SecKeychainAttributeList *attributeList = null;
SecItemClass itemClass = 0;
try {
SecStatusCode status = SecKeychainItemCopyAttributesAndData(itemRef, &attributeInfo, ref itemClass, &attributeList, IntPtr.Zero, IntPtr.Zero);
if (status == SecStatusCode.ItemNotFound)
{
throw new Exception("Could not add internet password to keychain: " + status.GetStatusDescription());
}
if (status != SecStatusCode.Success)
{
throw new Exception("Could not find internet username and password: " + status.GetStatusDescription());
}
var userNameAttr = (SecKeychainAttribute *)attributeList->Attrs;
if (userNameAttr->Length == 0)
{
return(null);
}
return(Marshal.PtrToStringAuto(userNameAttr->Data, (int)userNameAttr->Length));
} finally {
SecKeychainItemFreeAttributesAndData(attributeList, IntPtr.Zero);
}
}
}
public static void RemoveInternetUserNameAndPassword(Uri url)
{
var record = SecKeychainFindInternetPassword(url, out _);
if (record != null)
{
SecStatusCode result = SecKeyChain.Remove(record);
if (result != SecStatusCode.Success)
{
throw new Exception("Could not delete internet password from keychain: " + result.GetStatusDescription());
}
}
}