private string _GetModifiedTime(string filepath)
{
FileInfo fi;
DateTime dt = default(DateTime);
try
{
fi = new FileInfo(filepath);
dt = fi.LastWriteTime;
return(GMTHelper.ToGMTString(dt));
}
catch (Exception ex)
{
ElectronicObserver.Utility.ErrorReporter.SendErrorReport(ex, "在读取文件修改时间时发生异常：" + dt);
return("");
}
}
private void _SaveModifiedTime(string filepath, string gmTime)
{
FileInfo fi;
try
{
fi = new FileInfo(filepath);
DateTime dt = GMTHelper.GMT2Local(gmTime);
if (dt.Year > 1900)
{
fi.LastWriteTime = dt;
}
}
catch (Exception ex)
{
ElectronicObserver.Utility.ErrorReporter.SendErrorReport(ex, string.Format("在保存文件修改时间时发生异常。filepath: {0}, gmTime: {1}", filepath, gmTime));
}
}
public override bool OnBeforeRequest(Session oSession)
{
if (oSession.fullUrl.Contains("/kcsapi/api_start2"))
{
oSession.bBufferResponse = true;
}
if (settings.CacheEnabled && oSession.fullUrl.Contains("/kcs/"))
{
// = KanColleCacher =
string filepath;
var direction = Cache.GotNewRequest(oSession.fullUrl, out filepath);
if (direction == Direction.Return_LocalFile ||
direction == Direction.NoCache_LocalFile)
{
//返回本地文件
oSession.utilCreateResponseAndBypassServer();
oSession.oResponse.headers["Server"] = "nginx";
oSession.oResponse.headers["Date"] = GMTHelper.ToGMTString(DateTime.Now);
filepath = filepath.ToLower();
if (filepath.EndsWith(".swf"))
{
oSession.oResponse.headers["Content-Type"] = "application/x-shockwave-flash";
}
else if (filepath.EndsWith(".mp3"))
{
oSession.oResponse.headers["Content-Type"] = "audio/mpeg";
}
else if (filepath.EndsWith(".png"))
{
oSession.oResponse.headers["Content-Type"] = "image/png";
}
oSession.oResponse.headers["Last-Modified"] = _GetModifiedTime(filepath);
oSession.oResponse.headers["Connection"] = "close";
if (direction == Direction.NoCache_LocalFile)
{
oSession.oResponse.headers["Pragma"] = "no-cache";
oSession.oResponse.headers["Cache-Control"] = "no-cache";
}
else
{
oSession.oResponse.headers["Pragma"] = "public";
oSession.oResponse.headers["Cache-Control"] = "max-age=18000, public";
}
oSession.oResponse.headers["Accept-Ranges"] = "bytes";
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;
//Debug.WriteLine("CACHR> 【返回本地】" + result);
}
else if (direction == Direction.Verify_LocalFile)
{
//请求服务器验证文件
oSession.oRequest.headers["If-Modified-Since"] = _GetModifiedTime(filepath);
oSession.bBufferResponse = true;
//Debug.WriteLine("CACHR> 【验证文件】" + oSession.PathAndQuery);
}
else if (settings.ShowCacheLog && (settings.ShowMainD2Link || !oSession.fullUrl.Contains("mainD2.swf")))
{
//下载文件
ElectronicObserver.Utility.Logger.Add(2, string.Format("重新下载缓存文件: {0}", oSession.fullUrl));
}
return(true);
}
return(false);
}