public static void Run([TimerTrigger("0 */5 * * * *")] TimerInfo myTimer, ILogger log)
{
//Log the initiation of the function
log.LogInformation($"CheckDomains Timer trigger function executed at: {DateTime.Now}");
//Query LogAnalytics by calling the "GetDomains" function in the LA workspace
try
{
string queryBody = GetEnvironmentVariable("query_string");
Task <QueryResults> task = LogAnalytics.QueryData(queryBody);
QueryResults results = task.Result;
//Ok, now that we have our domains, for each domain returned, call the bootstrap service and get the responsible server
log.LogInformation(string.Format("Retrieved: {0} rows. Beginning resolution with Bootstrap lookups", results.tables[0].rows.Count));
foreach (List <string> rowData in results.tables[0].rows)
{
RDAPResponseRoot responseRoot = null;
rowData.ForEach(delegate(string value)
{
string TLD = value.Split(".")[1];
string uri = BootStrapTLD(TLD, log);
Console.WriteLine(string.Format("Results of BootStrap call: {0} serviced by {1}", value, uri));
if (uri != string.Empty)
{
//Call the responsible RDAP server
responseRoot = QueryRDAP(string.Format("{0}domain/{1}", uri, value), log);
}
else
{
Console.WriteLine(string.Format("Unable to process URI :'{0}' for value {1}", uri, value));
}
if (responseRoot != null)
{
// Store the results in LogAnalytics.
// Build the JSON body from the results
RDAPUpdate rdapUpdate = new RDAPUpdate();
// there are at least three "events" in the RDAP server response. Only one of them is "interesting" to use here: registration.
foreach (Event rdapEvent in responseRoot.events)
{
if (rdapEvent.eventAction == "registration")
{
// update the update object with our update
rdapUpdate.domainName = value;
rdapUpdate.registrationDate = rdapEvent.eventDate;
// Call the WriteData function to store the data in our LA workspace.
LogAnalytics.WriteData(JsonConvert.SerializeObject(rdapUpdate));
}
}
}
});
}
}
catch (Exception ex)
{
Console.WriteLine(string.Format("Exception: {0}", ex.Message));
}
//Log the completion of the function
log.LogInformation($"CheckDomains Timer trigger function completed at: {DateTime.Now}");
}
/// <summary>
/// Queries the rdap.
/// </summary>
/// <param name="uri">The URI.</param>
/// <param name="log">The log.</param>
/// <returns>RDAPResponseRoot.</returns>
public static RDAPResponseRoot QueryRDAP(string uri, ILogger log)
{
string responseMessage = string.Empty;
//Log the request
log.LogInformation(string.Format("QueryRDAP function processed a request for URI '{0}'", uri));
HttpClient client = new HttpClient();
client.BaseAddress = new Uri(uri);
RDAPResponseRoot rootNode = null;
// Add an Accept header for JSON format.
client.DefaultRequestHeaders.Accept.Add(
new MediaTypeWithQualityHeaderValue("application/json"));
// Get the response from IANA
HttpResponseMessage response = client.GetAsync(urlParameters).Result; // Blocking call!
if (response.IsSuccessStatusCode)
{
var jsonString = response.Content.ReadAsStringAsync();
jsonString.Wait();
rootNode = JsonConvert.DeserializeObject <RDAPResponseRoot>(jsonString.Result);
}
else
{
Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
}
// Dispose of the client since all HttpClient calls are complete.
client.Dispose();
// return the URI
return(rootNode);
}
