/// <summary>Returns the filtered configuration (only properties starting with the specified prefix).
/// </summary>
/// <remarks>
/// Returns the filtered configuration (only properties starting with the specified prefix). The property keys
/// are also trimmed from the prefix. The returned
/// <see cref="Properties"/>
/// object is used to initialized the
/// <see cref="AuthenticationHandler"/>
/// .
/// <p>
/// This method can be overriden by subclasses to obtain the configuration from other configuration source than
/// the web.xml file.
/// </remarks>
/// <param name="configPrefix">configuration prefix to use for extracting configuration properties.
/// </param>
/// <param name="filterConfig">filter configuration object</param>
/// <returns>
/// the configuration to be used with the
/// <see cref="AuthenticationHandler"/>
/// instance.
/// </returns>
/// <exception cref="Javax.Servlet.ServletException">thrown if the configuration could not be created.
/// </exception>
protected internal virtual Properties GetConfiguration(string configPrefix, FilterConfig
filterConfig)
{
Properties props = new Properties();
Enumeration <object> names = filterConfig.GetInitParameterNames();
while (names.MoveNext())
{
string name = (string)names.Current;
if (name.StartsWith(configPrefix))
{
string value = filterConfig.GetInitParameter(name);
props[Runtime.Substring(name, configPrefix.Length)] = value;
}
}
return(props);
}
/// <summary>Returns the proxyuser configuration.</summary>
/// <remarks>
/// Returns the proxyuser configuration. All returned properties must start
/// with <code>proxyuser.</code>'
/// <p/>
/// Subclasses may override this method if the proxyuser configuration is
/// read from other place than the filter init parameters.
/// </remarks>
/// <param name="filterConfig">filter configuration object</param>
/// <returns>the proxyuser configuration properties.</returns>
/// <exception cref="Javax.Servlet.ServletException">thrown if the configuration could not be created.
/// </exception>
protected internal virtual Configuration GetProxyuserConfiguration(FilterConfig filterConfig
)
{
// this filter class gets the configuration from the filter configs, we are
// creating an empty configuration and injecting the proxyuser settings in
// it. In the initialization of the filter, the returned configuration is
// passed to the ProxyUsers which only looks for 'proxyusers.' properties.
Configuration conf = new Configuration(false);
Enumeration <object> names = filterConfig.GetInitParameterNames();
while (names.MoveNext())
{
string name = (string)names.Current;
if (name.StartsWith(ProxyuserPrefix + "."))
{
string value = filterConfig.GetInitParameter(name);
conf.Set(name, value);
}
}
return(conf);
}
