/// <summary>
/// 请求登陆，获得用户信息。<para />
/// 无论登录成功与否，该方法都会直接进行 HTTP 响应登录结果，使用该方法后无需再进行 HTTP 响应。<para />
/// </summary>
/// <returns>登录成功后获得用户信息</returns>
/// <exception cref="LoginServiceException">
/// 如果登录失败，将会抛出异常。
/// </exception>
public UserInfo Login()
{
var code = GetHeader(Constants.WX_HEADER_CODE);
var encryptedData = GetHeader(Constants.WX_HEADER_ENCRYPTED_DATA);
var iv = GetHeader(Constants.WX_HEADER_IV);
LoginResult loginResult = null;
try
{
var api = new AuthorizationAPI();
loginResult = api.Login(code, encryptedData, iv);
}
catch (Exception apiError)
{
var error = new LoginServiceException(Constants.ERR_LOGIN_FAILED, apiError.Message, apiError);
Response.WriteJson(JsonForError(error));
throw error;
}
var json = PrepareResponseJsonDictionary();
json["session"] = new { id = loginResult.Id, skey = loginResult.Skey };
Response.WriteJson(json);
return(loginResult.UserInfo);
}
/// <summary>
/// 检查当前请求是否包含已登录的会话
/// </summary>
/// <returns>如果已登录，返回当前用户信息</returns>
/// <exception cref="LoginServiceException">
/// 如果检查登录失败，或者当前用户登录态不正确，将会抛出异常
/// </exception>
public UserInfo Check()
{
string id = GetHeader(Constants.WX_HEADER_ID);
string skey = GetHeader(Constants.WX_HEADER_SKEY);
CheckLoginResult checkLoginResult = null;
try
{
var api = new AuthorizationAPI();
checkLoginResult = api.CheckLogin(id, skey);
}
catch (Exception apiError)
{
LoginServiceException error = null;
if (apiError is AuthorizationAPIException)
{
AuthorizationAPIException authError = (AuthorizationAPIException)apiError;
if (authError.Code == 60011 || authError.Code == 60012)
{
error = new LoginServiceException(Constants.ERR_INVALID_SESSION, authError.Message, authError);
}
}
if (error == null)
{
error = new LoginServiceException(Constants.ERR_CHECK_LOGIN_FAILED, apiError.Message, apiError);
}
Response.WriteJson(this.JsonForError(error));
throw error;
}
return(checkLoginResult.UserInfo);
}
private string GetHeader(string headerName)
{
var headerValue = Request.Headers[headerName];
if (String.IsNullOrEmpty(headerValue))
{
var error = new LoginServiceException(Constants.ERR_INVALID_REQUEST, $"请求头不包含 {headerName}，请配合客户端 SDK 登陆后再进行请求");
Response.WriteJson(JsonForError(error));
throw error;
}
return(headerValue);
}
