private AuthTokenProperties TransformMSGraphTokenResponseIntoAuthProperties(MsGraphGetTokenResponse MSGraphData)
{
int expiresIn = -1;
int.TryParse(MSGraphData.expires_in, out expiresIn);
return(new AuthTokenProperties(MSGraphData.access_token, expiresIn, MSGraphData.refresh_token, MSGraphData.id_token));
}
private async Task <MsGraphGetTokenResponse> ExchangeCodeForAccessTokenPrivate(string code)
{
try
{
using (HttpClient client = new HttpClient())
{
var postFormParameters = new List <KeyValuePair <string, string> >()
{
new KeyValuePair <string, string>("client_id", _appId),
new KeyValuePair <string, string>("redirect_uri", _redirectUrl),
new KeyValuePair <string, string>("code", code),
new KeyValuePair <string, string>("grant_type", "authorization_code"),
new KeyValuePair <string, string>("scope", string.Join(" ", _scopes))
};
if (_appSecret != null)
{
// Secret isn't needed for client apps
postFormParameters.Add(new KeyValuePair <string, string>("client_secret", _appSecret));
}
var formContent = new FormUrlEncodedContent(postFormParameters);
client.DefaultRequestHeaders.TryAddWithoutValidation("Content-Type", TokenRefreshContentType);
HttpResponseMessage response = await client.PostAsync(MsGraphTokenRefreshUrl, formContent);
string responseString = await response.Content.ReadAsStringAsync();
MsGraphGetTokenResponse tokenResponse = JsonConvert.DeserializeObject <MsGraphGetTokenResponse>(responseString);
return(tokenResponse);
}
}
catch (Exception ex)
{
// Log this??
throw;
}
}
public async Task <AuthTokenProperties> ExchangeRefreshTokenForAuthInfo(string refreshToken)
{
try
{
using (HttpClient client = new HttpClient())
{
var postFormParameters = new List <KeyValuePair <string, string> >()
{
new KeyValuePair <string, string>("client_id", _appId),
new KeyValuePair <string, string>("redirect_uri", _redirectUrl),
new KeyValuePair <string, string>("refresh_token", refreshToken),
new KeyValuePair <string, string>("grant_type", "refresh_token"),
};
if (_appSecret != null)
{
postFormParameters.Add(new KeyValuePair <string, string>("client_secret", _appSecret));
}
var formContent = new FormUrlEncodedContent(postFormParameters);
client.DefaultRequestHeaders.TryAddWithoutValidation("Content-Type", TokenRefreshContentType);
var response = await client.PostAsync(MsGraphTokenRefreshUrl, formContent);
string responseString = await response.Content.ReadAsStringAsync();
MsGraphGetTokenResponse tokenResponse = JsonConvert.DeserializeObject <MsGraphGetTokenResponse>(responseString);
return(TransformMSGraphTokenResponseIntoAuthProperties(tokenResponse));
}
}
catch (Exception ex)
{
Debug.WriteLine("Failed to refresh token! " + ex);
throw;
}
}
public async Task <AuthTokenProperties> ExchangeCodeForAccessToken(string code)
{
MsGraphGetTokenResponse msGraphData = await ExchangeCodeForAccessTokenPrivate(code);
return(TransformMSGraphTokenResponseIntoAuthProperties(msGraphData));
}
