/// <summary>
/// Asynchronously invokes a PowerShell script by using the supplied input parameters.
/// </summary>
/// <param name="apiController">The ApiController. This is an extension method to ApiController, when you use instance method syntax to call this method, omit this parameter.</param>
/// <param name="scriptPath">The fully qualified location of the PowerShell script to be run.</param>
/// <param name="parameters">A set of parameters to the PowerShell script. The parameter names and values are taken from the keys and values of a collection.</param>
/// <param name="cancellationToken">The cancellation token can be used to request that the operation be abandoned before completing the execution. Exceptions will be reported via the returned Task object.</param>
/// <returns>A task representing the asynchronous operation.</returns>
public async static Task <HttpResponseMessage> InvokePowerShellAsync(this ApiController apiController, string scriptPath, IEnumerable <KeyValuePair <string, object> > parameters, CancellationToken cancellationToken)
{
PSContentNegotiator contentNegotiator = new PSContentNegotiator(apiController.Request);
PSConverterRegistry converter = contentNegotiator.NegotiatedPsConverter;
Encoding encoding = contentNegotiator.NegotiatedEncoding;
if (converter == null)
{
throw new HttpResponseException(HttpStatusCode.NotAcceptable);
}
using (PowerShell ps = PowerShell.Create())
{
ps.RunspacePool = _runspacePool;
ps.AddCommand("Set-Location").AddParameter("LiteralPath", Path.GetDirectoryName(scriptPath));
ps /*.AddStatement()*/.AddCommand(scriptPath, true).Commands.AddParameters(parameters);
if (!string.IsNullOrWhiteSpace(converter.ConversionCmdlet))
{
ps.AddCommand(converter.ConversionCmdlet, true).Commands.AddParameters(converter.CmdletParameters);
}
try
{
string stringResult = GetPsResult(await ps.InvokeAsync(cancellationToken).ConfigureAwait(false), encoding);
ps.CheckErrors(cancellationToken);
StringContent responseContent = new StringContent(stringResult, encoding, contentNegotiator.NegotiatedMediaType.MediaType);
responseContent.Headers.SetContentHeader(ps.Streams);
return(new HttpResponseMessage(string.IsNullOrEmpty(stringResult) ? HttpStatusCode.NoContent : HttpStatusCode.OK)
{
Content = responseContent
});
}
catch (CommandNotFoundException)
{
return(new HttpResponseMessage(HttpStatusCode.NotFound));
}
}
}