public IBatch RetrieveExecutionIdentification(ComponentAccessKey key)
{
// Check the cache before trying to unfold/decrypt the key. The first time
// we look into the cache it will be empty and we will be forced to unfold/decrypt
// the key but that is the plan. :-)
if (CheckCache(key))
{
return(BatchExecutionIdentification);
}
// Let's try to unfold/decrypt the key and validate whether or not the key represents
// the correct permissions.
ComponentDeclaration accessKey = UnfoldKey(key);
if ((accessKey & ComponentDeclaration.ExecutionId) != ComponentDeclaration.ExecutionId)
{
throw new ArgumentException("Invalid key! The key did NOT contain permissions for retrieving the execution identification.");
}
// Key contained the correct permissions, so let's update the cache.
InsertInCache(key);
// We should be ready to release the proxy object...
return(BatchExecutionIdentification);
}
private string GenerateKeyDescription(ComponentDeclaration flag)
{
StringBuilder sb = new StringBuilder();
sb.Append("This key provide access to the following components: \n");
if ((flag & ComponentDeclaration.Configuration) == ComponentDeclaration.Configuration)
{
sb.Append(" - ").Append(ComponentDeclaration.Configuration + "\n");
}
if ((flag & ComponentDeclaration.Engine) == ComponentDeclaration.Engine)
{
sb.Append(" - ").Append(ComponentDeclaration.Engine + "\n");
}
if ((flag & ComponentDeclaration.Output) == ComponentDeclaration.Output)
{
sb.Append(" - ").Append(ComponentDeclaration.Output + "\n");
}
if ((flag & ComponentDeclaration.Matches) == ComponentDeclaration.Matches)
{
sb.Append(" - ").Append(ComponentDeclaration.Matches + "\n");
}
if ((flag & ComponentDeclaration.Statistics) == ComponentDeclaration.Statistics)
{
sb.Append(" - ").Append(ComponentDeclaration.Statistics + "\n");
}
if ((flag & ComponentDeclaration.DataAccess) == ComponentDeclaration.DataAccess)
{
sb.Append(" - ").Append(ComponentDeclaration.DataAccess + "\n");
}
return(sb.ToString());
}
internal ComponentAccessKey GenerateComponentAccessKey(string password, string salt, IKeyConsumer keyConsumer)
{
#region Validate input arguments...
if (string.IsNullOrWhiteSpace(password))
{
throw new ArgumentNullException("password");
}
if (string.IsNullOrWhiteSpace(salt))
{
throw new ArgumentNullException("salt");
}
if (keyConsumer == null)
{
throw new ArgumentNullException("keyConsumer");
}
#endregion
// All flags are default cleared!
ComponentDeclaration accessSetup = ComponentDeclaration.NotDefined;
#region Setup the component access flags for the 'Configuration' component
if (keyConsumer is IConfigurationProxy)
{
accessSetup = accessSetup | ComponentDeclaration.Configuration;
accessSetup = accessSetup | ComponentDeclaration.Statistics;
accessSetup = accessSetup | ComponentDeclaration.DataAccess;
}
#endregion
#region Setup the component access flags for the 'Configuration' component
if (keyConsumer is IConfigurationFactory)
{
accessSetup = accessSetup | ComponentDeclaration.Statistics;
}
#endregion
#region Setup the component access flags for the 'Engine' component
if (keyConsumer is IEngineProxy)
{
// Setup the component access flags for the configuration component.
accessSetup = accessSetup | ComponentDeclaration.Configuration;
accessSetup = accessSetup | ComponentDeclaration.Engine;
accessSetup = accessSetup | ComponentDeclaration.Matches;
accessSetup = accessSetup | ComponentDeclaration.Statistics;
}
#endregion
#region Setup the component access flags for the 'Output' component
if (keyConsumer is IOutputProxy)
{
// Setup the component access flags for the configuration component.
accessSetup = accessSetup | ComponentDeclaration.Configuration;
// accessSetup = accessSetup | ComponentDeclaration.Engine;
accessSetup = accessSetup | ComponentDeclaration.Statistics;
accessSetup = accessSetup | ComponentDeclaration.Matches;
}
#endregion
#region Setup the component access flags for the 'Matches' component
if (keyConsumer is IMatchProxy)
{
// Setup the component access flags for the configuration component.
accessSetup = accessSetup | ComponentDeclaration.Statistics;
accessSetup = accessSetup | ComponentDeclaration.DataAccess;
}
#endregion
#region Setup the component access flags for the 'Statistics' component
if (keyConsumer is IStatisticsProxy)
{
// Setup the component access flags for the configuration component.
accessSetup = accessSetup | ComponentDeclaration.Statistics;
}
#endregion
#region Setup the component access flags for the 'DataAccess' component
if (keyConsumer is IDataAccessProxy)
{
// Setup the component access flags for the configuration component.
accessSetup = accessSetup | ComponentDeclaration.DataAccess;
accessSetup = accessSetup | ComponentDeclaration.Configuration;
}
#endregion
// Create the description for the key - the description must declare
// what components the flags give access to.
string description = GenerateKeyDescription(accessSetup);
// Let's do the actual encryption...
AesCryptography aes = new AesCryptography();
byte[] bytes = aes.Encrypt(password, Encoding.UTF8.GetBytes(salt), Encoding.UTF8.GetBytes(accessSetup + ""));
// Constructing the actual key for accessing the components...
return(new ComponentAccessKey(bytes, description, keyConsumer));
}
private string GenerateKeyDescription(ComponentDeclaration flag)
{
StringBuilder sb = new StringBuilder();
sb.Append("This key provide access to the following components: \n");
if ((flag & ComponentDeclaration.Configuration) == ComponentDeclaration.Configuration)
sb.Append(" - ").Append(ComponentDeclaration.Configuration + "\n");
if ((flag & ComponentDeclaration.Engine) == ComponentDeclaration.Engine)
sb.Append(" - ").Append(ComponentDeclaration.Engine + "\n");
if ((flag & ComponentDeclaration.Output) == ComponentDeclaration.Output)
sb.Append(" - ").Append(ComponentDeclaration.Output + "\n");
if ((flag & ComponentDeclaration.Matches) == ComponentDeclaration.Matches)
sb.Append(" - ").Append(ComponentDeclaration.Matches + "\n");
if ((flag & ComponentDeclaration.Statistics) == ComponentDeclaration.Statistics)
sb.Append(" - ").Append(ComponentDeclaration.Statistics + "\n");
if ((flag & ComponentDeclaration.DataAccess) == ComponentDeclaration.DataAccess)
sb.Append(" - ").Append(ComponentDeclaration.DataAccess + "\n");
return sb.ToString();
}
