private string ToCanonicalString(DirectExecutionRequestApiModel apiModel) =>
$"{apiModel.ExecutionId}|" +
$"{apiModel.ExtensionId}|" +
$"{apiModel.ExtensionVersionId}|" +
$"{apiModel.ExecutionModelName}|" +
$"{apiModel.ExecutionProfileName}|" +
$"{apiModel.ObjectProviderName}|" +
$"{apiModel.GetExecutionStatusUrl}|" +
$"{apiModel.ExpirationDateTimeUtc.ToString("s")}";
private async Task <DirectExecutionRequestApiModel> CreateDirectExecutionRequestAsync(IExecutionRequestContext erContext)
{
// Convert the API request context to a core execution request...
var execRequest = ToExecutionRequestAsync(erContext);
// Then, convert the core execution request into a direct execution token...
var directExecRequest = new DirectExecutionRequestApiModel
{
ExecutionId = execRequest.ExecutionId,
ExecutionModelName = execRequest.ExecutionModelName,
ExecutionProfileName = execRequest.ExecutionProfileName,
ExecutionSettings = execRequest.ExtensionSettings,
ExtensionId = execRequest.ExtensionId,
ExtensionVersionId = execRequest.ExtensionVersionId,
GetExecutionStatusUrl = execRequest.GetExecutionStatusUrl,
ObjectProviderName = execRequest.ObjectProviderName,
ExecutorProperties = execRequest.ExecutorProperties,
Services = await execServiceProvider.GetServiceConfigurationAsync(execRequest)
};
// Based on the selected execution profile, set the expiration date/time (how long the client can use the extension directly for)
// and digitally sign the execution request using the hub's private key. In this model, we assume that the target execution has the hub's
// public key and can us it to verify the authenticity of the token and all the information contained therein.
// For more information, see /doc/architecture/direct-execution.md.
directExecRequest.ExpirationDateTimeUtc = DateTime.UtcNow.Add(erContext.ExecutionProfile.DirectExecutionTokenDuration.Value);
directExecRequest.Signature = await directExecRequestSigner.GenerateSignatureAsync(execRequest.SignatureRsaKeyXml, directExecRequest);
// Update the execution to indicate that a direct access token is being provided...
erContext.Execution.ExecutionTimeoutDateTimeUtc = directExecRequest.ExpirationDateTimeUtc;
erContext.Execution.Status = ExecutionStatus.DirectExecutionTokenProvided;
erContext.Execution.LastUpdatedDateTimeUtc = DateTime.UtcNow;
// Persist the execution and return the direct execution token...
await UpdateExecutionAsync(erContext.Execution);
return(directExecRequest);
}