public override void Execute(object context, ActivityQueue queue, Trigger trigger)
{
// get the login information out of the credential store
int count;
IntPtr pCredentials;
var ret = AdvApi32.CredEnumerate(null, 0, out count, out pCredentials);
if (!ret)
{
throw new Win32Exception();
}
var credentials = new IntPtr[count];
// convert pointer to array to array of pointers
for (var n = 0; n < count; n++)
{
credentials[n] = Marshal.ReadIntPtr(pCredentials,
n * Marshal.SizeOf(typeof(IntPtr)));
}
var login = credentials
// convert each pointer to a structure
.Select(ptr => (WinCred.Credential)Marshal.PtrToStructure(ptr, typeof(WinCred.Credential)))
// select the structure with the matching credential name
.FirstOrDefault(cred => cred.targetName.StartsWith(_credential));
// get the password
var currentPass = Marshal.PtrToStringUni(login.credentialBlob, (int)login.credentialBlobSize / 2);
var lastError = Marshal.GetLastWin32Error();
if (lastError != 0)
{
throw new Win32Exception(lastError);
}
// finally try to log in
var hostArr = login.targetName.Substring(_credential.Length + 1).Split(':');
var host = hostArr[0];
var port = hostArr.Length > 1 ? int.Parse(hostArr[1]) : 143;
var @params = new ImapParams
{
Host = host,
Username = login.userName,
Password = currentPass,
Port = port,
Validate = false,
Ssl = port == 993 || port == 995,
Queue = queue
};
// start a thread to check for e-mail
ThreadPool.QueueUserWorkItem(MailPoller, @params);
}
private static bool GetLogin(string startsWith, out string username, out string password)
{
try
{
// get the login information out of the credential store
int count;
IntPtr pCredentials;
var ret = AdvApi32.CredEnumerate(null, 0, out count, out pCredentials);
if (!ret)
{
throw new Win32Exception();
}
var credentials = new IntPtr[count];
// convert pointer to array to array of pointers
for (var n = 0; n < count; n++)
{
credentials[n] = Marshal.ReadIntPtr(pCredentials,
n * Marshal.SizeOf(typeof(IntPtr)));
}
var login = credentials
// convert each pointer to a structure
.Select(ptr => (WinCred.Credential)Marshal.PtrToStructure(ptr, typeof(WinCred.Credential)))
// select the structure with the matching credential name
.FirstOrDefault(cred => cred.targetName.StartsWith(startsWith));
// get the password
var currentPass = Marshal.PtrToStringUni(login.credentialBlob, (int)login.credentialBlobSize / 2);
var lastError = Marshal.GetLastWin32Error();
if (lastError != 0)
{
throw new Win32Exception(lastError);
}
username = login.userName;
password = currentPass;
return(true);
}
catch (Exception ex)
{
Log.Error("There was an error finding the credentials for Facebook.", ex);
username = null;
password = null;
return(false);
}
}