private async Task <IActionResult> runCore(ILogger logger, string eventName, string deliveryId, string requestBody)
{
logger.LogInformation("Webhook delivery accepted with Delivery id = '{DeliveryId}'", deliveryId);
var webhookResult = new WebhookResult();
try
{
await eventDispatchService.Process(eventName, requestBody, webhookResult, logger);
logger.LogInformation("Webhook delivery processed succesfully with Delivery id = '{DeliveryId}'", deliveryId);
}
catch (Exception ex)
{
webhookResult.LogError(ex, "Failed to handle webhook");
logger.LogError(ex, "github-webhook failed with Delivery id = '{DeliveryId}'", deliveryId);
}
return(new OkObjectResult(webhookResult));
}
public async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = null)] HttpRequest request,
ILogger logger)
{
if (string.IsNullOrEmpty(config.Value.GitHubWebhookSecret))
{
return new ObjectResult(new { error = "GitHub secret not configured" })
{
StatusCode = StatusCodes.Status500InternalServerError
}
}
;
if (string.IsNullOrEmpty(config.Value.GitHubAppId) || string.IsNullOrEmpty(config.Value.GitHubAppPrivateKey))
{
return new ObjectResult(new { error = "GitHub App ID/Token not configured" })
{
StatusCode = StatusCodes.Status500InternalServerError
}
}
;
string eventName = request.Headers.GetValueOrDefault("X-GitHub-Event");
string deliveryId = request.Headers.GetValueOrDefault("X-GitHub-Delivery");
string receivedSignature = request.Headers.GetValueOrDefault("X-Hub-Signature");
logger.LogInformation("Webhook delivery: Delivery id = '{DeliveryId}', Event name = '{EventName}'", deliveryId, eventName);
if (string.IsNullOrEmpty(eventName))
{
return new ObjectResult(new { error = "X-GitHub-Event header missing" })
{
StatusCode = StatusCodes.Status400BadRequest
}
}
;
var payload = new PayloadReader(request);
if (!PayloadValidator.IsSignatureValid(await payload.ReadAsByteArray(), receivedSignature, config.Value.GitHubWebhookSecret))
{
return(new BadRequestObjectResult(new { error = "Payload signature not valid" }));
}
else
{
var webhookResult = new WebhookResult();
try
{
string requestBody = await payload.ReadAsString();
await eventDispatchService.Process(eventName, requestBody, webhookResult);
}
catch (Exception ex)
{
webhookResult.LogError(ex, "Failed to handle webhook");
}
return(new OkObjectResult(webhookResult));
}
}
}
}