/// <summary>
/// 初始化Token
/// </summary>
/// <returns></returns>
private async Task InitTokenIfNullTokenAsync()
{
try
{
if (this.tokenResult == null)
{
this.tokenResult = await this.RequestTokenResultAsync();
var dueTime = this.GetDueTimeSpan(this.tokenResult.ExpiresIn);
this.tokenTimer.Change(dueTime, Timeout.InfiniteTimeSpan);
}
}
catch (Exception ex)
{
this.tokenException = ex;
}
}
/// <summary>
/// 刷新token
/// </summary>
/// <returns></returns>
private async Task RefreshTokenAsync()
{
try
{
if (string.IsNullOrEmpty(this.tokenResult.RefreshToken) == true)
{
this.tokenResult = await this.RequestTokenResultAsync();
}
else
{
this.tokenResult = await this.RequestRefreshTokenAsync(this.tokenResult.RefreshToken);
}
}
catch (Exception ex)
{
this.tokenException = ex;
}
}
/// <summary>
/// 初始化或刷新token
/// </summary>
/// <returns></returns>
private async Task InitOrRefreshTokenAsync()
{
if (this.token == null)
{
this.token = await this.RequestTokenResultAsync().ConfigureAwait(false);
}
else if (this.token.IsExpired() == true)
{
if (this.token.CanRefresh() == true)
{
this.token = await this.RequestRefreshTokenAsync(this.token.RefreshToken).ConfigureAwait(false);
}
else
{
this.token = await this.RequestTokenResultAsync().ConfigureAwait(false);
}
}
this.token.EnsureSuccess();
}
/// <summary>
/// 应用AccessToken
/// 默认为添加到请求头的Authorization
/// </summary>
/// <param name="context">请求上下文</param>
/// <param name="tokenResult">token结果</param>
protected virtual void AccessTokenResult(ApiActionContext context, TokenResult tokenResult)
{
context.RequestMessage.Headers.Authorization = new AuthenticationHeaderValue("Bearer", tokenResult.AccessToken);
}
/// <summary>
/// 清除Token
/// 迫使下次请求将重新获取token
/// </summary>
protected void ClearToken()
{
this.token = null;
}