/// <summary>
/// Refreshs the token.
/// </summary>
/// <param name="token">Token.</param>
public OauthTokenResponse RefreshToken(string token, string username, bool store = true)
{
var scope = Scopes.Replace(",", "%20");
string url = string.Format("{0}", TokenEndpoint);
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url);
webRequest.Method = "POST";
webRequest.ContentType = "application/x-www-form-urlencoded";
if (!string.IsNullOrEmpty(AppSettings["ProxyHost"]))
{
webRequest.Proxy = GetWebRequestProxy();
}
var dataStr = string.Format("grant_type=refresh_token&refresh_token={0}&scope={1}", token, scope);
if (this.UseAuthorizationHeader)
{
webRequest.Headers.Add(HttpRequestHeader.Authorization, GetBasicAuthenticationSecret());
}
else
{
dataStr += string.Format("&client_id={0}&client_secret={1}", this.ClientId, this.ClientSecret);
}
byte[] data = System.Text.Encoding.UTF8.GetBytes(dataStr);
webRequest.ContentLength = data.Length;
using (var requestStream = webRequest.GetRequestStream()) {
requestStream.Write(data, 0, data.Length);
requestStream.Close();
try {
using (var httpResponse = (HttpWebResponse)webRequest.GetResponse()) {
using (var streamReader = new StreamReader(httpResponse.GetResponseStream())) {
var result = streamReader.ReadToEnd();
var response = JsonSerializer.DeserializeFromString <OauthTokenResponse>(result);
if (store)
{
DBCookie.DeleteDBCookies(Context, HttpContext.Current.Session.SessionID);
StoreTokenAccess(response.access_token, username, response.expires_in);
StoreTokenRefresh(response.refresh_token, username);
if (!string.IsNullOrEmpty(response.id_token))
{
StoreTokenId(response.id_token, username, response.expires_in);
}
}
return(response);
}
}
} catch (Exception e) {
Context.LogError(this, "RefreshToken error : " + e.Message);
RevokeSessionCookies();
throw e;
}
}
}
/// <summary>
/// Gets the authorization URL.
/// </summary>
/// <returns>The authorization URL.</returns>
public string GetAuthorizationUrl()
{
if (string.IsNullOrEmpty(AuthEndpoint))
{
throw new Exception("Invalid Authorization endpoint");
}
var scope = Scopes.Replace(",", "%20");
var redirect_uri = HttpUtility.UrlEncode(Callback);
var query = string.Format("response_type={0}&scope={1}&client_id={2}&state={3}&redirect_uri={4}&nonce={5}",
"code", scope, ClientId, Guid.NewGuid().ToString(), redirect_uri, Guid.NewGuid().ToString());
string url = string.Format("{0}?{1}", AuthEndpoint, query);
return(url);
}
/// <summary>
/// Accesses the token.
/// </summary>
/// <param name="code">Code.</param>
public OauthTokenResponse AccessToken(string code)
{
Context.LogDebug(this, "AccessToken - " + HttpContext.Current.Session.SessionID);
var scope = Scopes.Replace(",", "%20");
string url = string.Format("{0}", TokenEndpoint);
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url);
webRequest.Method = "POST";
webRequest.ContentType = "application/x-www-form-urlencoded";
if (!string.IsNullOrEmpty(AppSettings["ProxyHost"]))
{
webRequest.Proxy = GetWebRequestProxy();
}
var dataStr = string.Format("grant_type=authorization_code&redirect_uri={0}&code={1}&scope={2}", HttpUtility.UrlEncode(Callback), code, scope);
if (this.UseAuthorizationHeader)
{
webRequest.Headers.Add(HttpRequestHeader.Authorization, GetBasicAuthenticationSecret());
}
else
{
dataStr += string.Format("&client_id={0}&client_secret={1}", this.ClientId, this.ClientSecret);
}
byte[] data = System.Text.Encoding.UTF8.GetBytes(dataStr);
webRequest.ContentLength = data.Length;
using (var requestStream = webRequest.GetRequestStream()) {
requestStream.Write(data, 0, data.Length);
requestStream.Close();
try {
using (var httpResponse = (HttpWebResponse)webRequest.GetResponse()) {
using (var streamReader = new StreamReader(httpResponse.GetResponseStream())) {
var result = streamReader.ReadToEnd();
var response = JsonSerializer.DeserializeFromString <OauthTokenResponse>(result);
if (response.access_token != null)
{
StoreTokenAccess(response.access_token, "", response.expires_in);
}
if (response.refresh_token != null)
{
StoreTokenRefresh(response.refresh_token, "");
}
if (response.id_token != null)
{
StoreTokenId(response.id_token, "", response.expires_in);
}
Context.LogDebug(this, "Access Token valid " + response.expires_in + " seconds");
return(response);
}
}
} catch (Exception e) {
DeleteTokenAccess();
DeleteTokenRefresh();
DeleteTokenId();
throw e;
}
}
}
