private async Task <string> GetResponseContentAsync(HttpActionExecutedContext actionContext, DateTime responseTime)
{
string content = await actionContext.Response.Content.ReadAsStringAsync();
MonitorApiLog monitorApiLog = actionContext.ActionContext.ActionArguments[key] as MonitorApiLog;
monitorApiLog.ResponseTime = responseTime;
monitorApiLog.ResponseData = content;//form表单提交的数据
Log.Info(string.Format("API响应:{0}", monitorApiLog.ToString()));
return(content);
}
public override void OnActionExecuting(HttpActionContext actionContext)
{
try
{
SetTrackID();
Log.Info("调用API接口");
DateTime requestTime = DateTime.Now;
var request = ((HttpContextWrapper)actionContext.Request.Properties["MS_HttpContext"]).Request;
var requestMethod = request.HttpMethod;
string app_key = request.Headers["key"];
string app_sign = request.Headers["sign"];
string app_timestamp_s = request.Headers["timestamp"];
string app_data = null;
if (requestMethod == "POST")
{
Stream stream = HttpContext.Current.Request.InputStream;
stream.Seek(0, SeekOrigin.Begin);
app_data = new StreamReader(stream).ReadToEnd();
#region 过滤图片
if (app_data.LastIndexOf(",\"ImgData\":{") > -1)
{
//Log.Info("去掉图片之前的数据：" + app_data);
int x = app_data.LastIndexOf(",\"ImgData\":{");
app_data = app_data.Substring(0, x);
app_data += "}";
Log.Info("去掉图片之后的数据：" + app_data);
}
else if (app_data.LastIndexOf(",\"imgData\":{") > -1)
{
// Log.Info("去掉图片之前的数据：" + app_data);
int x = app_data.LastIndexOf(",\"imgData\":{");
app_data = app_data.Substring(0, x);
app_data += "}";
Log.Info("去掉图片之后的数据：" + app_data);
}
#endregion
}
else
{
NameValueCollection queryForm = HttpContext.Current.Request.QueryString;
Dictionary <string, string> queryData = new Dictionary <string, string>();
for (int f = 0; f < queryForm.Count; f++)
{
string querykey = queryForm.Keys[f];
queryData.Add(querykey, queryForm[querykey]);
}
app_data = GetQueryData(queryData);
}
//记录请求的日志
MonitorApiLog monitorApiLog = new MonitorApiLog();
monitorApiLog.RequestTime = requestTime;
monitorApiLog.RequestUrl = request.RawUrl;
monitorApiLog.SignatureData = new SignatureData {
Key = app_key, Sign = app_sign, TimeStamp = app_timestamp_s, Data = app_data
};
Log.Info(string.Format("API请求:{0}", monitorApiLog.ToString()));
actionContext.ActionArguments[key] = monitorApiLog;
//检查必要的参数
if (app_key == null || app_sign == null || app_timestamp_s == null)
{
APIResult result = new APIResult(ResultType.Failure, ResultCode.FailureSign, "缺少必要参数");
actionContext.Response = new APIResponse(result);
return;
}
//检查key是否在数据库中存在
string app_secret = SysFactory.AppKeySecret.GetSecret(app_key);
if (app_secret == null)
{
APIResult result = new APIResult(ResultType.Failure, ResultCode.FailureSign, "应用程序Key,存在错误");
actionContext.Response = new APIResponse(result);
return;
}
long app_timestamp = long.Parse(app_timestamp_s);
string signStr = Signature.Compute(app_key, app_secret, app_timestamp, app_data);
Log.Info("app_key:" + app_key);
Log.Info("app_secret:" + app_secret);
Log.Info("app_timestamp:" + app_timestamp);
Log.Info("app_data:" + app_data);
Log.Info("signStr:" + signStr);
Log.Info("app_sign:" + app_sign);
if (Signature.IsRequestTimeout(app_timestamp))
{
APIResult result = new APIResult(ResultType.Failure, ResultCode.FailureSign, "请求已超时");
actionContext.Response = new APIResponse(result);
return;
}
if (signStr != app_sign)
{
Log.Warn("API签名错误");
APIResult result = new APIResult(ResultType.Failure, ResultCode.FailureSign, "签名错误");
actionContext.Response = new APIResponse(result);
return;
}
base.OnActionExecuting(actionContext);
}
catch (Exception ex)
{
APIResult result = new APIResult(ResultType.Exception, ResultCode.Exception, "内部错误");
actionContext.Response = new APIResponse(result);
Log.Error(string.Format("API错误:{0}", ex.Message), ex);
return;
}
}