public static WebClient AddAuthHeader(this WebClient webClient, CRMAuthTokenConfiguration crmAuthInfo)
{
AzureAccessToken token = GetAccessToken(crmAuthInfo);
webClient.Headers[HttpRequestHeader.Authorization] = $"{token.token_type} {token.access_token}";
return(webClient);
}
public static HttpClient AddAuthHeader(this HttpClient httpClient, CRMAuthTokenConfiguration crmAuthInfo)
{
AzureAccessToken token = GetAccessToken(crmAuthInfo);
httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", $"{token.token_type} {token.access_token}");
return(httpClient);
}
private static AzureAccessToken GetAccessToken(CRMAuthTokenConfiguration crmAuthInfo)
{
AzureAccessToken token = null;
using (WebClient client = new WebClient())
{
string oauthUrl = $"https://login.microsoftonline.com/{crmAuthInfo.TenantId}/oauth2/token";
string reqBody = $"grant_type=client_credentials&client_id={Uri.EscapeDataString(crmAuthInfo.ClientApplicationId)}&client_secret={Uri.EscapeDataString(crmAuthInfo.ClientSecret)}&resource={Uri.EscapeDataString(crmAuthInfo.ResourceId)}";
client.Headers[HttpRequestHeader.ContentType] = "application/x-www-form-urlencoded";
string response = client.UploadString(oauthUrl, reqBody);
token = JsonHelper.Deserialize <AzureAccessToken>(response);
}
return(token);
}