| public static ToUnixTime ( System.DateTime dateTime ) : double | ||
| dateTime | System.DateTime | The date time. |
| return | double | |
/// <summary>
/// Creates a Facebook session from a signed request.
/// </summary>
/// <param name="appSecret">
/// The app secret.
/// </param>
/// <param name="signedRequest">
/// The signed request.
/// </param>
/// <returns>
/// The Facebook session.
/// </returns>
internal static FacebookSession Create(IFacebookApplication settings, FacebookSignedRequest signedRequest)
{
if (settings == null)
{
throw new ArgumentNullException("settings");
}
if (signedRequest == null)
{
return(null);
}
var data = (IDictionary <string, object>)signedRequest.Data;
if (data == null)
{
return(null);
}
if (!data.ContainsKey("code") && string.IsNullOrEmpty(signedRequest.AccessToken))
{
return(null);
}
var dictionary = new JsonObject
{
{ "uid", signedRequest.UserId.ToString() }
};
if (!string.IsNullOrEmpty(signedRequest.AccessToken))
{
dictionary["access_token"] = signedRequest.AccessToken;
}
if (data.ContainsKey("code"))
{
foreach (var key in data.Keys)
{
dictionary[key] = data[key];
}
}
else
{
if (signedRequest.Expires == DateTime.MaxValue)
{
dictionary["expires"] = 0;
}
else if (signedRequest.Expires != DateTime.MinValue)
{
dictionary["expires"] = DateTimeConvertor.ToUnixTime(signedRequest.Expires);
}
if (settings != null && !string.IsNullOrEmpty(settings.AppSecret))
{
dictionary["sig"] = GenerateSessionSignature(settings.AppSecret, dictionary);
}
}
return(new FacebookSession(dictionary, settings));
}
/// <summary>
/// Creates a facebook session from a signed request.
/// </summary>
/// <param name="appSecret">
/// The app secret.
/// </param>
/// <param name="signedRequest">
/// The signed request.
/// </param>
/// <returns>
/// The facebook session.
/// </returns>
internal static FacebookSession Create(string appSecret, FacebookSignedRequest signedRequest)
{
if (signedRequest == null || String.IsNullOrEmpty(signedRequest.AccessToken))
{
return(null);
}
var dictionary = new JsonObject
{
{ "uid", signedRequest.UserId.ToString() },
{ "access_token", signedRequest.AccessToken }
};
if (signedRequest.Expires == DateTime.MaxValue)
{
dictionary["expires"] = 0;
}
else if (signedRequest.Expires != DateTime.MinValue)
{
dictionary["expires"] = DateTimeConvertor.ToUnixTime(signedRequest.Expires);
}
dictionary["sig"] = GenerateSessionSignature(appSecret, dictionary);
return(new FacebookSession(dictionary));
}
/// <summary>
/// Parse the signed request.
/// </summary>
/// <param name="secret">
/// The secret.
/// </param>
/// <param name="signedRequestValue">
/// The signed request value.
/// </param>
/// <returns>
/// Returns the signed request.
/// </returns>
public static FacebookSignedRequest Parse(string secret, string signedRequestValue)
{
Contract.Requires(!string.IsNullOrEmpty(secret));
Contract.Requires(!String.IsNullOrEmpty(signedRequestValue));
Contract.Requires(signedRequestValue.Contains("."), Properties.Resources.InvalidSignedRequest);
var result = TryParse(secret, signedRequestValue, 0, DateTimeConvertor.ToUnixTime(DateTime.UtcNow), true);
return(result == null ? null : new FacebookSignedRequest(result));
}
/// <summary>
/// Try parsing the signed request.
/// </summary>
/// <param name="secret">
/// The secret.
/// </param>
/// <param name="signedRequestValue">
/// The signed request value.
/// </param>
/// <param name="signedRequest">
/// The signed request.
/// </param>
/// <returns>
/// Returns true if parsing was successful otherwise false.
/// </returns>
public static bool TryParse(string secret, string signedRequestValue, out FacebookSignedRequest signedRequest)
{
if (string.IsNullOrEmpty(signedRequestValue))
{
throw new ArgumentNullException("signedRequestValue");
}
if (string.IsNullOrEmpty(secret))
{
throw new ArgumentNullException("secret");
}
var result = TryParse(secret, signedRequestValue, 0, DateTimeConvertor.ToUnixTime(DateTime.UtcNow), false);
signedRequest = result == null ? null : new FacebookSignedRequest(result);
return(result != null);
}
/// <summary>
/// Creates a facebook session from a signed request.
/// </summary>
/// <param name="appSecret">
/// The app secret.
/// </param>
/// <param name="signedRequest">
/// The signed request.
/// </param>
/// <returns>
/// The facebook session.
/// </returns>
internal static FacebookSession Create(string appSecret, string code)
{
FacebookOAuthClient client = new FacebookOAuthClient(FacebookApplication.Current);
client.RedirectUri = new Uri(FacebookApplication.Current.CanvasUrl);
dynamic response = client.ExchangeCodeForAccessToken(code);
string accessToken = response.access_token;
double expires = Convert.ToDouble(response.expires);
var dictionary = new JsonObject
{
{ "access_token", accessToken }
};
dictionary["expires"] = DateTimeConvertor.ToUnixTime(DateTime.Now.AddSeconds(expires));
dictionary["sig"] = GenerateSessionSignature(appSecret, dictionary);
return(new FacebookSession(dictionary));
}
/// <summary>
/// Parse the signed request.
/// </summary>
/// <param name="secret">
/// The secret.
/// </param>
/// <param name="signedRequestValue">
/// The signed request value.
/// </param>
/// <returns>
/// Returns the signed request.
/// </returns>
public static FacebookSignedRequest Parse(string secret, string signedRequestValue)
{
var result = TryParse(secret, signedRequestValue, 0, DateTimeConvertor.ToUnixTime(DateTime.UtcNow), true);
return(result == null ? null : new FacebookSignedRequest(result));
}
