private async Task <string> Verify(
EventReceiver eventReceiver,
params Func <Task <bool> >[] verifiers)
{
foreach (var verify in verifiers)
{
if (await verify())
{
eventReceiver.IsVerified = true;
var response = await _eventReceivers
.UpdateEntityAsync(eventReceiver, eventReceiver.ETag);
return("Your domain now is verified.");
}
}
return("We could't verify you. Please reconfigure your endpoint and try again.");
}
public async Task <IActionResult> Register(
[HttpTrigger(AuthorizationLevel.Anonymous, "post")] HttpRequest req, ILogger log)
{
var query = string.Empty;
try
{
var responseMessage = string.Empty;
var token = Guid.NewGuid().ToString().Replace("-", "");
query = await req.ReadAsStringAsync();
var queryString = HttpUtility.ParseQueryString(query);
var hash = queryString["hash"];
var url = queryString["data"].Base64ToUtf8();
log.LogInformation(
nameof(Register),
new[] { new
{
hash,
url,
token
} });
if (!Uri.TryCreate(url, UriKind.Absolute, out Uri _))
{
return(new OkObjectResult("Please provide absolute URL."));
}
var entity = _eventReceivers
.Query <EventReceiver>($"PartitionKey eq '{hash }'")
.SingleOrDefault();
if (entity == null)
{
var response = await _eventReceivers.AddEntityAsync(new EventReceiver
{
PartitionKey = hash,
RowKey = hash,
Url = url,
Token = token
});
responseMessage += $"URL '{url}' successfully added.\n\n";
}
else if (entity.Url != url)
{
entity.Url = url;
entity.IsVerified = false;
entity.Token = token;
var response = await _eventReceivers.UpdateEntityAsync(entity, entity.ETag);
responseMessage += "URL '{url}' successfully updated.\n\n";
}
if (entity == null || !entity.IsVerified)
{
responseMessage +=
$"Your token is: {token}\n\n" +
$"Please confirm ownership of entered domain.\n" +
$"You can verify it with one of the options:\n" +
$" - respond to HTTP GET request with a token\n" +
$" - add token TXT record to your DNS configuration with\n\n" +
$"After you will complete this step you can " +
$"proceed with domain verification by navigating " +
$"to: https://ton.azurewebsites.net/api/verify/{token}\n\n";
}
return(new OkObjectResult(responseMessage));
}
catch (Exception ex)
{
log.LogError(
ex,
nameof(Register),
new[] { new
{
query
} });
throw;
}
}
