/// <summary>
/// 构造网页授权跳转的Url
/// </summary>
/// <param name="appID"></param>
/// <param name="redirect_uri">重定向后跳转的地址</param>
/// <param name="type">授权类型</param>
/// <param name="state">附带数据</param>
/// <returns></returns>
public string BuildOAuthUrl(string appID, string redirect_uri, SnsapiType type = SnsapiType.Base,
string state = "")
{
if (!string.IsNullOrWhiteSpace(state))
{
if (state.Length > 128)
{
throw new ArgumentOutOfRangeException(nameof(state), "state参数不能超过128个字符");
}
}
var url =
$"https://open.weixin.qq.com/connect/oauth2/authorize?appid={appID}&redirect_uri={Uri.EscapeUriString(redirect_uri)}&response_type=code&scope={(type == SnsapiType.Base ? "snsapi_base" : "snsapi_userinfo")}&state={Uri.EscapeUriString(state.ToStringEx())}#wechat_redirect";
return(url);
}
public WechatMPAuthorizeAttribute(string scheme = "wechat", SnsapiType oauthType = SnsapiType.Base) : base()
{
this.AuthenticationSchemes = scheme;
OAuthType = oauthType;
}
/// <summary>
/// 授权登录
/// </summary>
/// <param name="appid"></param>
/// <param name="reurl"></param>
/// <param name="state"></param>
/// <returns></returns>
public static Uri GetWxWebLogin(SnsapiType snsapi, string appid, string reurl, string state)
{
return(new Uri($"https://open.weixin.qq.com/connect/oauth2/authorize?appid={appid}&redirect_uri={HttpUtility.UrlEncode(reurl)}&response_type=code&scope={snsapi.ToString()}&state={state}#wechat_redirect"));
}
