private TwilioSmsCredentials GetCredentials(ISiteContext site)
{
if (site == null)
{
return(null);
}
if (string.IsNullOrWhiteSpace(site.SmsClientId))
{
return(null);
}
if (string.IsNullOrWhiteSpace(site.SmsSecureToken))
{
return(null);
}
if (string.IsNullOrWhiteSpace(site.SmsFrom))
{
return(null);
}
TwilioSmsCredentials creds = new TwilioSmsCredentials();
creds.AccountSid = site.SmsClientId;
creds.AuthToken = site.SmsSecureToken;
creds.FromNumber = site.SmsFrom;
return(creds);
}
/// <summary>
/// Send an sms message using Twilio REST API
/// </summary>
/// <param name="credentials">TwilioSmsCredentials</param>
/// <param name="toPhoneNumber">E.164 formatted phone number, e.g. +16175551212</param>
/// <param name="message"></param>
/// <returns></returns>
public async Task <bool> SendMessage(
TwilioSmsCredentials credentials,
string toPhoneNumber,
string message)
{
if (string.IsNullOrWhiteSpace(toPhoneNumber))
{
throw new ArgumentException("toPhoneNumber was not provided");
}
if (string.IsNullOrWhiteSpace(message))
{
throw new ArgumentException("message was not provided");
}
var client = new HttpClient();
client.DefaultRequestHeaders.Authorization = CreateBasicAuthenticationHeader(
credentials.AccountSid,
credentials.AuthToken);
var keyValues = new List <KeyValuePair <string, string> >();
keyValues.Add(new KeyValuePair <string, string>("To", toPhoneNumber));
keyValues.Add(new KeyValuePair <string, string>("From", credentials.FromNumber));
keyValues.Add(new KeyValuePair <string, string>("Body", message));
var content = new FormUrlEncodedContent(keyValues);
var postUrl = string.Format(
CultureInfo.InvariantCulture,
TwilioSmsEndpointFormat,
credentials.AccountSid);
var response = await client.PostAsync(
postUrl,
content).ConfigureAwait(false);
if (response.IsSuccessStatusCode)
{
if (log != null)
{
log.LogDebug("success sending sms message to " + toPhoneNumber);
}
return(true);
}
else
{
if (log != null)
{
string responseBody = await response.Content.ReadAsStringAsync();
var logmessage = $"failed to send sms message to {toPhoneNumber} from {credentials.FromNumber} { response.ReasonPhrase } { responseBody }";
log.LogWarning(logmessage);
}
return(false);
}
}
