public override bool OnAfterSessionComplete(Session oSession)
{
if (settings.CacheEnabled && oSession.responseCode == 200)
{
string filepath = TaskRecord.GetAndRemove(oSession.fullUrl);
if (!(string.IsNullOrEmpty(filepath) || CheckedFiles.Contains(filepath)))
{
if (File.Exists(filepath))
{
File.Delete(filepath);
}
//保存下载文件并记录Modified-Time
try
{
if (settings.ShowCacheLog)
{
ElectronicObserver.Utility.Logger.Add(2, string.Format("更新缓存文件： {0}.", filepath));
}
oSession.SaveResponseBody(filepath);
_SaveModifiedTime(filepath, oSession.oResponse.headers["Last-Modified"]);
//Debug.WriteLine("CACHR> 【下载文件】" + oSession.PathAndQuery);
}
catch (Exception ex)
{
ElectronicObserver.Utility.ErrorReporter.SendErrorReport(ex, "会话结束时，保存返回文件时发生异常：" + oSession.fullUrl);
}
}
return(true);
}
return(false);
}
public override bool OnBeforeResponse(Session oSession)
{
MakaiOnBeforeResponse(oSession);
if (settings.CacheEnabled && oSession.PathAndQuery.StartsWith("/kcs/"))
{
if (oSession.responseCode == 304)
{
string filepath = TaskRecord.GetAndRemove(oSession.fullUrl);
//只有TaskRecord中有记录的文件才是验证的文件，才需要修改Header
if (!string.IsNullOrEmpty(filepath))
{
CheckedFiles.Add(filepath);
//服务器返回304，文件没有修改 -> 返回本地文件
byte[] file;
using (var fs = File.Open(filepath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
file = new byte[fs.Length];
fs.Read(file, 0, (int)fs.Length);
}
oSession.ResponseBody = file;
oSession.oResponse.headers.HTTPResponseCode = 200;
oSession.oResponse.headers.HTTPResponseStatus = "200 OK";
oSession.oResponse.headers["Last-Modified"] = oSession.oRequest.headers["If-Modified-Since"];
oSession.oResponse.headers["Accept-Ranges"] = "bytes";
oSession.oResponse.headers.Remove("If-Modified-Since");
oSession.oRequest.headers.Remove("If-Modified-Since");
if (filepath.EndsWith(".swf"))
{
oSession.oResponse.headers["Content-Type"] = "application/x-shockwave-flash";
}
}
return(true);
}
else if (oSession.responseCode == 200)
{
// 由服务器下载所得
if (oSession.PathAndQuery.StartsWith("/kcs/sound") && oSession.PathAndQuery.IndexOf("titlecall/") < 0)
{
oSession.oResponse.headers["Pragma"] = "no-cache";
oSession.oResponse.headers["Cache-Control"] = "no-cache";
}
return(true);
}
}
return(false);
}