/// <summary>
/// Get the imap4 server information from
/// the configuration file, the host and
/// port of the imap4 server is located in
/// the default section, this data is used
/// to connect to the imap4 server.
/// </summary>
private void GetImap4ServerHost()
{
try
{
// Create a new connection adapter.
_connection = new Imap4ConnectionAdapter();
// If no host name set then
// use the defualt values.
if (String.IsNullOrEmpty(_imap4ServerName))
{
// Create a new default host type
// an load the values from the configuration
// file into the default host type.
ProxyImap4ServerDefaultHost defaultHost =
(ProxyImap4ServerDefaultHost)System.Configuration.ConfigurationManager.GetSection(
"ProxyImap4ServerGroup/ProxyImap4ServerDefaultHost");
// If the port is greater than zero then
// assign the port number.
if (defaultHost.HostSection.PortAttribute > 0)
{
_connection.Port = defaultHost.HostSection.PortAttribute;
}
// Get the imap4 server.
_connection.Server = defaultHost.HostSection.HostAttribute;
}
else
{
// Create a new host type
// an load the values from the configuration
// file into the host type.
ProxyImap4ServerHosts hosts =
(ProxyImap4ServerHosts)System.Configuration.ConfigurationManager.GetSection(
"ProxyImap4ServerGroup/ProxyImap4ServerHosts");
// If the port is greater than zero then
// assign the port number.
if (hosts.HostSection[_imap4ServerName].PortAttribute > 0)
{
_connection.Port = hosts.HostSection[_imap4ServerName].PortAttribute;
}
// Get the imap4 server.
_connection.Server = hosts.HostSection[_imap4ServerName].HostAttribute;
}
}
catch (Exception e)
{
// Detect a thread abort exception.
if (e is ThreadAbortException)
{
Thread.ResetAbort();
}
base.Write("Imap4TlsProxyServer", "GetListeningPort", e.Message,
246, WriteTo.EventLog, LogType.Error);
}
}
/// <summary>
/// Get the maximum number of clients from the configuration
/// file, if no value is specified then default or
/// the current value will be used.
/// </summary>
private void GetMaxNumClients()
{
try
{
// If no host name set then
// use the defualt values.
if (String.IsNullOrEmpty(_hostName))
{
// Create a new default host type
// an load the values from the configuration
// file into the default host type.
ProxyImap4ServerDefaultHost defaultHost =
(ProxyImap4ServerDefaultHost)System.Configuration.ConfigurationManager.GetSection(
"ProxyImap4ServerGroup/ProxyImap4ServerDefaultHost");
// If the port is greater than zero then
// assign the port number.
if (defaultHost.HostSection.MaxNumClientsAttribute > 0)
{
_maxNumClients = defaultHost.HostSection.MaxNumClientsAttribute;
}
}
else
{
// Create a new host type
// an load the values from the configuration
// file into the host type.
ProxyImap4ServerHosts hosts =
(ProxyImap4ServerHosts)System.Configuration.ConfigurationManager.GetSection(
"ProxyImap4ServerGroup/ProxyImap4ServerHosts");
// If the port is greater than zero then
// assign the port number.
if (hosts.HostSection[_hostName].MaxNumClientsAttribute > 0)
{
_maxNumClients = hosts.HostSection[_hostName].MaxNumClientsAttribute;
}
}
// Create a new client array.
_client = new Imap4TlsProxyConnection[_maxNumClients];
}
catch (Exception e)
{
// Detect a thread abort exception.
if (e is ThreadAbortException)
{
Thread.ResetAbort();
}
base.Write("Imap4TlsProxyServer", "GetMaxNumClients", e.Message,
246, WriteTo.EventLog, LogType.Error);
}
}
/// <summary>
/// Get the server credentials from the certificate store or file.
/// </summary>
/// <returns>The x509 certificate else null.</returns>
private X509Certificate2 GetServerCredentials()
{
X509Certificate2 certificate = null;
try
{
// Create a new default host type
// an load the values from the configuration
// file into the default host type.
ProxyImap4ServerDefaultHost defaultHost =
(ProxyImap4ServerDefaultHost)System.Configuration.ConfigurationManager.GetSection(
"ProxyImap4ServerGroup/ProxyImap4ServerDefaultHost");
// Make sure the section is defined.
if (defaultHost == null)
{
throw new Exception("Configuration section ProxyImap4ServerDefaultHost has not been defined.");
}
// Get the server credetials element.
ProxyImap4ServerCredentialsElement serverCredentials = defaultHost.ServerCredentialsSection;
if (serverCredentials == null)
{
throw new Exception("Configuration element ServerCredentials has not been defined.");
}
// If using the certificate store.
if (serverCredentials.UseCertificateStore)
{
// Get the certificate from the store.
ProxyImap4ServerCredentialsStoreElement certificateStore = serverCredentials.CertificateStore;
if (certificateStore == null)
{
throw new Exception("Configuration element CertificateStore has not been defined.");
}
// Get the certificate refrence details from the certificate store.
certificate = X509Certificate2Store.GetCertificate(
certificateStore.StoreName,
certificateStore.StoreLocation,
certificateStore.X509FindType,
certificateStore.FindValue,
false);
}
else
{
// Get the certificate path
ProxyImap4ServerCredentialsPathElement certificatePath = serverCredentials.CertificatePath;
if (certificatePath == null)
{
throw new Exception("Configuration element CertificatePath has not been defined.");
}
// Get the certificate path details and create
// the x509 certificate reference.
certificate = X509Certificate2Store.GetCertificate(certificatePath.Path, certificatePath.Password);
}
}
catch (Exception e)
{
// Detect a thread abort exception.
if (e is ThreadAbortException)
{
Thread.ResetAbort();
}
base.Write("Imap4TlsProxyConnection", "GetServerCredentials", e.Message,
711, WriteTo.EventLog, LogType.Error);
}
// Return the certificate.
return(certificate);
}
