static TimeSpan IsCertificateExpiring(CertInformation cert, ILogger log)
{
TimeSpan expirationTime = DateTime.Parse(cert.CertExpiration) - DateTime.Now;
TimeSpan test = DateTime.Now - DateTime.Parse(cert.CertExpiration);
return(expirationTime);
}
public static async Task <CertInformation> GetCertInformation(string urlValue, CertInformation cert, ILogger log)
{
X509Certificate2 certObject = await GetServerCertificateAsync("https://" + urlValue);
cert.URL = urlValue;
cert.CertExpiration = certObject.GetExpirationDateString();
cert.ThumbPrint = certObject.Thumbprint;
cert.ValidFromDate = certObject.GetEffectiveDateString();
cert.RawCert = certObject.RawData;
cert.LastUpdateTime = DateTime.Now;
log.LogInformation($"Cert for {cert.URL} Expiration: {certObject.GetExpirationDateString()}");
cert.TimeTilExpiration = IsCertificateExpiring(cert, log);
return(cert);
}
public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] HttpRequest req,
ILogger log)
{
//Declare Variables
CertInformation cert = new CertInformation();
IList <CertInformation> certList = new List <CertInformation>();
IList <string> url = new List <string>();
log.LogInformation("C# HTTP trigger function processed a request.");
var requestBodyJson = await new StreamReader(req.Body).ReadToEndAsync();
try
{
//Check if body contains URLS to check
if (requestBodyJson != null)
{
List <TempJsonBody> tempBody = System.Text.Json.JsonSerializer.Deserialize <List <TempJsonBody> >(requestBodyJson);
log.LogInformation($"Count: {tempBody.Count}");
foreach (TempJsonBody temp in tempBody)
{
url.Add(temp.Name);
}
}
//Else Check the query string for URLs to check
else if (req.Query["url"].ToString() != null)
{
url[0] = req.Query["url"];
}
else
{
return(new BadRequestObjectResult("No value past"));
}
}
catch (Exception e)
{
log.LogError($"Exception occurred: {e}");
return(new BadRequestObjectResult($"Failed to get parse cert from header or body with exception{e}"));
}
//Logic for checking if URL is the correct format
//
//Foreach URL try to get Cert information
foreach (string urlValue in url)
{
try
{
cert = await GetCertInformation(urlValue, cert, log);
if (cert.TimeTilExpiration.TotalSeconds > 0)
{
cert.IsExpired = false;
log.LogInformation($"Cert for {cert.URL} expires in {cert.TimeTilExpiration.TotalDays} days.");
}
else
{
cert.IsExpired = true;
log.LogInformation($"Cert for {cert.URL} expired {cert.TimeTilExpiration.TotalDays} days ago.");
}
certList.Add(cert);
}
catch (Exception e)
{
log.LogError($"Exception Occurred: {e}");
return(new BadRequestObjectResult($"Failed to get parse cert with exception{e}"));
}
}
//Convert to JSON
string jsonString = System.Text.Json.JsonSerializer.Serialize(certList);
return(new OkObjectResult(jsonString));
}
