/// <summary>
/// Authenticates and returns user info.
/// </summary>
/// <returns>
/// The user info, including username and token.
/// </returns>
public override async Task<UserInfo> Authenticate()
{
var uriBuilder = new UriBuilder("https://www.douban.com/service/auth2/auth");
uriBuilder.AppendAuthenticationCommonFields(ServerConnection);
uriBuilder.AppendQuery(StringTable.ResponseType, StringTable.Code);
var redirectedUri = await GetRedirectedUri(uriBuilder.Uri);
if (redirectedUri != null)
{
var queries = redirectedUri.GetQueries();
string code;
if (queries.TryGetValue(StringTable.Code, out code) && !string.IsNullOrEmpty(code))
{
var tokenUrl = new UriBuilder("https://www.douban.com/service/auth2/token");
tokenUrl.AppendAuthenticationCommonFields(ServerConnection);
tokenUrl.AppendQuery(StringTable.GrantType, StringTable.AuthorizationCode);
tokenUrl.AppendQuery(StringTable.Code, code);
var jsonContent = await ServerConnection.Post(tokenUrl.Uri, null);
return ParseLogOnResult(jsonContent);
}
string error;
if (queries.TryGetValue(StringTable.Error, out error))
{
throw new ServerException(-1, error);
}
}
throw new OperationCanceledException("User cancelled OAuth.");
}
/// <summary>
/// Authenticates and returns user info.
/// </summary>
/// <returns>
/// The user info, including username and token.
/// </returns>
/// <exception cref="System.InvalidOperationException">
/// Username is empty
/// or
/// Password is empty
/// </exception>
public override async Task<UserInfo> Authenticate()
{
if (string.IsNullOrWhiteSpace(Username))
{
throw new InvalidOperationException("Username is empty");
}
if (string.IsNullOrEmpty(Password))
{
throw new InvalidOperationException("Password is empty");
}
var uriBuilder = new UriBuilder("https://www.douban.com/service/auth2/token");
uriBuilder.AppendAuthenticationCommonFields(ServerConnection);
uriBuilder.AppendQuery(StringTable.GrantType, StringTable.Password);
uriBuilder.AppendQuery(StringTable.Username, Username);
uriBuilder.AppendQuery(StringTable.Password, Password);
var data = uriBuilder.RemoveQuery();
var jsonContent = await ServerConnection.Post(uriBuilder.Uri, data);
return ParseLogOnResult(jsonContent);
}
