private bool PerformTokenCheck(VKAccessToken token, bool isUserDefinedToken = false)
{
if (token == null)
{
return(false);
}
if (token.IsExpired)
{
AccessTokenExpired(null, new VKAccessTokenExpiredEventArgs {
ExpiredToken = token
});
return(false);
}
if (token.AccessToken != null)
{
if (isUserDefinedToken)
{
AccessTokenAccepted(null, new VKAccessTokenAcceptedEventArgs {
Token = token
});
}
return(true);
}
var error = new VKError {
error_code = (int)VKResultCode.InvalidToken
};
AccessDenied(null, new VKAccessDeniedEventArgs {
AuthorizationError = error
});
return(false);
}
/// <summary>
/// Removes active token from memory and IsolatedStorage at default key.
/// </summary>
public static void Logout()
{
Instance.AccessToken = null;
VKAccessToken.RemoveTokenInIsolatedStorage(VKSDK_ACCESS_TOKEN_ISOLATEDSTORAGE_KEY);
VKUtil.ClearCookies();
}
public static bool WakeUpSession()
{
var token = VKAccessToken.TokenFromIsolatedStorage(VKSDK_ACCESS_TOKEN_ISOLATEDSTORAGE_KEY);
if (!Instance.PerformTokenCheck(token))
{
return(false);
}
Instance.AccessToken = token;
return(true);
}
/// <summary>
/// Save API access token in IsolatedStorage with default key.
/// </summary>
/// <param name="token">Access token to be used for API requests</param>
/// <param name="renew">Is token being renewed. Raises different event handlers (AccessTokenReceived or AccessTokenRenewed)</param>
public static void SetAccessToken(VKAccessToken token, bool renew = false)
{
Instance.AccessToken = token;
if (!renew)
{
AccessTokenReceived(null, new VKAccessTokenReceivedEventArgs {
NewToken = token
});
}
else
{
AccessTokenRenewed(null, new AccessTokenRenewedEventArgs {
Token = token
});
}
Instance.AccessToken.SaveTokenToIsolatedStorage(VKSDK_ACCESS_TOKEN_ISOLATEDSTORAGE_KEY);
}
public static bool WakeUpSession()
{
bool result = true;
var token = VKAccessToken.TokenFromIsolatedStorage(VKSDK_ACCESS_TOKEN_ISOLATEDSTORAGE_KEY);
if (!Instance.PerformTokenCheck(token))
{
result = false;
}
else
{
Instance.AccessToken = token;
}
TrackStats();
return(result);
}
/// <summary>
/// Retreive token from key-value map
/// </summary>
/// <param name="args">Dictionary containing token info</param>
/// <returns>Parsed token</returns>
public static VKAccessToken TokenFromParameters(Dictionary <String, String> args)
{
if (args == null || args.Count == 0)
{
return(null);
}
try
{
var token = new VKAccessToken();
args.TryGetValue(ACCESS_TOKEN, out token.AccessToken);
string expiresValue;
args.TryGetValue(EXPIRES_IN, out expiresValue);
int.TryParse(expiresValue, out token.ExpiresIn);
args.TryGetValue(USER_ID, out token.UserId);
args.TryGetValue(SECRET, out token.Secret);
if (args.ContainsKey(HTTPS_REQUIRED))
{
token.IsHttpsRequired = args[HTTPS_REQUIRED] == "1";
}
else if (token.Secret == null)
{
token.IsHttpsRequired = true;
}
if (args.ContainsKey(CREATED))
{
long.TryParse(args[CREATED], out token.Created);
}
else
{
token.Created = VKUtil.CurrentTimeMillis();
}
return(token);
}
catch { }
return(null);
}
/// <summary>
/// Check new access token and assign as instance token
/// </summary>
/// <param name="tokenParams">Params of token</param>
/// <param name="isTokenBeingRenewed">Flag indicating token renewal</param>
/// <returns>Success if token has been assigned or error</returns>
private static CheckTokenResult CheckAndSetToken(Dictionary <String, String> tokenParams, bool isTokenBeingRenewed)
{
var token = VKAccessToken.TokenFromParameters(tokenParams);
if (token == null || token.AccessToken == null)
{
if (tokenParams.ContainsKey(VKAccessToken.SUCCESS))
{
return(CheckTokenResult.Success);
}
var error = new VKError {
error_code = (int)VKResultCode.UserAuthorizationFailed
};
return(CheckTokenResult.Error);
}
else
{
SetAccessToken(token, isTokenBeingRenewed);
return(CheckTokenResult.Success);
}
}
/// <summary>
/// Initialize SDK with custom token key (e.g. saved from other source or for some test reasons)
/// </summary>
/// <param name="appId">Your VK app ID.
/// If you don't have one, create a standalone app here: https://vk.com/editapp?act=create </param>
/// <param name="token">Custom-created access token</param>
public static void Initialize(String appId, VKAccessToken token)
{
Initialize(appId);
Instance.AccessToken = token;
Instance.PerformTokenCheck(token, true);
}
/// <summary>
/// Retreive token from key-value map
/// </summary>
/// <param name="args">Dictionary containing token info</param>
/// <returns>Parsed token</returns>
public static VKAccessToken TokenFromParameters(Dictionary<String, String> args)
{
if (args == null || args.Count == 0)
return null;
try
{
var token = new VKAccessToken();
args.TryGetValue(ACCESS_TOKEN, out token.AccessToken);
string expiresValue;
args.TryGetValue(EXPIRES_IN, out expiresValue);
int.TryParse(expiresValue, out token.ExpiresIn);
args.TryGetValue(USER_ID, out token.UserId);
args.TryGetValue(SECRET, out token.Secret);
if (args.ContainsKey(HTTPS_REQUIRED))
token.IsHttpsRequired = args[HTTPS_REQUIRED] == "1";
else if (token.Secret == null)
token.IsHttpsRequired = true;
if (args.ContainsKey(CREATED))
long.TryParse(args[CREATED], out token.Created);
else
token.Created = VKUtil.CurrentTimeMillis();
return token;
}
catch { }
return null;
}
private bool PerformTokenCheck(VKAccessToken token, bool isUserDefinedToken = false)
{
if (token == null) return false;
if (token.IsExpired)
{
AccessTokenExpired(null, new VKAccessTokenExpiredEventArgs { ExpiredToken = token });
return false;
}
if (token.AccessToken != null)
{
if (isUserDefinedToken)
AccessTokenAccepted(null, new VKAccessTokenAcceptedEventArgs { Token = token });
return true;
}
var error = new VKError { error_code = (int)VKResultCode.InvalidToken };
AccessDenied(null, new VKAccessDeniedEventArgs { AuthorizationError = error });
return false;
}
/// <summary>
/// Save API access token in IsolatedStorage with default key.
/// </summary>
/// <param name="token">Access token to be used for API requests</param>
/// <param name="renew">Is token being renewed. Raises different event handlers (AccessTokenReceived or AccessTokenRenewed)</param>
public static void SetAccessToken(VKAccessToken token, bool renew = false)
{
if (Instance.AccessToken == null ||
(Instance.AccessToken.AccessToken != token.AccessToken ||
Instance.AccessToken.ExpiresIn != token.ExpiresIn))
{
Instance.AccessToken = token;
if (!renew)
AccessTokenReceived(null, new VKAccessTokenReceivedEventArgs { NewToken = token });
else
AccessTokenRenewed(null, new AccessTokenRenewedEventArgs { Token = token });
Instance.AccessToken.SaveTokenToIsolatedStorage(VKSDK_ACCESS_TOKEN_ISOLATEDSTORAGE_KEY);
}
}
/// <summary>
/// Initialize SDK with custom token key (e.g. saved from other source or for some test reasons)
/// </summary>
/// <param name="appId">Your VK app ID.
/// If you don't have one, create a standalone app here: https://vk.com/editapp?act=create </param>
/// <param name="token">Custom-created access token</param>
public static void Initialize(String appId, VKAccessToken token)
{
Initialize(appId);
Instance.AccessToken = token;
Instance.PerformTokenCheck(token, true);
}
