void file_del()
{
var id = Request.QueryString["id"];
SqlExec se = new SqlExec();
se.update("up6_folders"
, new SqlParam[] { new SqlParam("f_deleted", true) }
, new SqlParam[] {
new SqlParam("f_id", id)
, new SqlParam("f_pid", id)
, new SqlParam("f_pidRoot", id)
}
, "or"
);
se.update("up6_files"
, new SqlParam[] { new SqlParam("f_deleted", true) }
, new SqlParam[] {
new SqlParam("f_id", id)
, new SqlParam("f_pid", id)
, new SqlParam("f_pidRoot", id)
}
, "or"
);
PageTool.to_content(new JObject {
{ "ret", 1 }
});
}
void file_proc()
{
string fid = Request.QueryString["id"];
string uid = Request.QueryString["uid"];
string lenLoc = Request.QueryString["lenLoc"];
string per = Request.QueryString["perLoc"];
string cbk = Request.QueryString["callback"];
//
if (string.IsNullOrEmpty(uid) ||
string.IsNullOrEmpty(fid) ||
string.IsNullOrEmpty(cbk) ||
string.IsNullOrEmpty(lenLoc))
{
Response.Write(cbk + "({\"value\":0})");
Response.End();
return;
}
DnFile db = new DnFile();
db.process(fid, int.Parse(uid), lenLoc, per);
PageTool.to_content(cbk + "({\"value\":1})");
}
void file_del()
{
string fid = Request.QueryString["id"];
string uid = Request.QueryString["uid"];
string cbk = Request.QueryString["callback"];
if (string.IsNullOrEmpty(uid) ||
string.IsNullOrEmpty(fid))
{
Response.Write(cbk + "({\"value\":null})");
return;
}
DnFile db = new DnFile();
db.Delete(fid, int.Parse(uid));
PageTool.to_content(cbk + "({\"value\":1})");
}
void file_init()
{
string id = Request.QueryString["id"];
string uid = Request.QueryString["uid"];
string fdTask = Request.QueryString["fdTask"];
string nameLoc = Request.QueryString["nameLoc"]; //客户端使用的是encodeURIComponent编码，
string pathLoc = Request.QueryString["pathLoc"]; //客户端使用的是encodeURIComponent编码，
string lenSvr = Request.QueryString["lenSvr"];
string sizeSvr = Request.QueryString["sizeSvr"];
string cbk = Request.QueryString["callback"]; //应用于jsonp数据
pathLoc = HttpUtility.UrlDecode(pathLoc); //utf-8解码
nameLoc = HttpUtility.UrlDecode(nameLoc);
sizeSvr = HttpUtility.UrlDecode(sizeSvr);
if (string.IsNullOrEmpty(uid) ||
string.IsNullOrEmpty(pathLoc) ||
string.IsNullOrEmpty(lenSvr))
{
Response.Write(cbk + "({\"value\":null})");
Response.End();
return;
}
down2.model.DnFileInf inf = new down2.model.DnFileInf();
inf.id = id;
inf.uid = int.Parse(uid);
inf.nameLoc = nameLoc;
inf.pathLoc = pathLoc;//记录本地存储位置
inf.lenSvr = long.Parse(lenSvr);
inf.sizeSvr = sizeSvr;
inf.fdTask = fdTask == "1";
DnFile db = new DnFile();
db.Add(ref inf);
string json = JsonConvert.SerializeObject(inf);
json = HttpUtility.UrlEncode(json);
json = json.Replace("+", "%20");
json = cbk + "({\"value\":\"" + json + "\"})";//返回jsonp格式数据。
PageTool.to_content(json);
}
void folder_complete()
{
string id = Request.QueryString["id"];
string uid = Request.QueryString["uid"];
string cak = Request.QueryString["callback"];
int ret = 0;
if (string.IsNullOrEmpty(id) ||
uid.Length < 1)
{
}
else
{
FileInf inf = new FileInf();
DBFile db = new DBFile();
db.read(id, ref inf);
string root = inf.pathSvr;
//上传完毕
DBFile.fd_complete(id, uid);
//扫描文件夹结构，
fd_scan sa = new fd_scan();
sa.root = inf;//
sa.scan(inf, root);
//更新扫描状态
SqlExec se = new SqlExec();
se.update("up6_folders", new SqlParam[] {
new SqlParam("f_scan", true)
}, new SqlParam[] {
new SqlParam("f_id", id)
, new SqlParam("f_uid", uid)
});
up6_biz_event.folder_post_complete(id);
ret = 1;
}
PageTool.to_content(cak + "(" + ret + ")");
}
void file_process()
{
string id = Request.QueryString["id"];
string uid = Request.QueryString["uid"];
string offset = Request.QueryString["offset"];
string lenSvr = Request.QueryString["lenSvr"];
string perSvr = Request.QueryString["perSvr"];
string callback = Request.QueryString["callback"]; //jsonp参数
string json = callback + "({\"state\":0})"; //返回jsonp格式数据。
if (!string.IsNullOrEmpty(id) &&
!string.IsNullOrEmpty(lenSvr) &&
!string.IsNullOrEmpty(perSvr))
{
DBFile db = new DBFile();
db.f_process(int.Parse(uid), id, long.Parse(offset), long.Parse(lenSvr), perSvr);
up6_biz_event.file_post_process(id);
json = callback + "({\"state\":1})";//返回jsonp格式数据。
}
PageTool.to_content(json);
}
void file_complete()
{
string md5 = Request.QueryString["md5"];
string uid = Request.QueryString["uid"];
string id = Request.QueryString["id"];
string cbk = Request.QueryString["callback"];
//返回值。1表示成功
int ret = 0;
if (string.IsNullOrEmpty(uid) ||
string.IsNullOrEmpty(id))
{
}//参数不为空
else
{
DBFile db = new DBFile();
db.complete(id);
up6_biz_event.file_post_complete(id);
ret = 1;
}
PageTool.to_content(cbk + "(" + ret + ")");//必须返回jsonp格式数据
}
void folder_init()
{
string id = Request.QueryString["id"];
string pid = Request.QueryString["pid"];
string pidRoot = Request.QueryString["pidRoot"];
string uid = Request.QueryString["uid"];
string lenLoc = Request.QueryString["lenLoc"];
string sizeLoc = Request.QueryString["sizeLoc"];
string pathLoc = HttpUtility.UrlDecode(Request.QueryString["pathLoc"]);
string callback = Request.QueryString["callback"];//jsonp参数
if (string.IsNullOrEmpty(id) ||
string.IsNullOrEmpty(uid) ||
string.IsNullOrEmpty(pathLoc)
)
{
Response.Write(callback + "({\"value\":null})");
return;
}
FileInf fileSvr = new FileInf();
fileSvr.id = id;
fileSvr.pid = pid;
fileSvr.pidRoot = pidRoot;
fileSvr.fdChild = false;
fileSvr.fdTask = true;
fileSvr.uid = int.Parse(uid);//将当前文件UID设置为当前用户UID
fileSvr.nameLoc = Path.GetFileName(pathLoc);
fileSvr.pathLoc = pathLoc;
fileSvr.lenLoc = Convert.ToInt64(lenLoc);
fileSvr.sizeLoc = sizeLoc;
fileSvr.deleted = false;
fileSvr.nameSvr = fileSvr.nameLoc;
//生成存储路径
PathBuilderUuid pb = new PathBuilderUuid();
fileSvr.pathSvr = pb.genFolder(ref fileSvr);
fileSvr.pathSvr = fileSvr.pathSvr.Replace("\\", "/");
if (!Directory.Exists(fileSvr.pathSvr))
{
Directory.CreateDirectory(fileSvr.pathSvr);
}
//添加到文件表
DBFile db = new DBFile();
db.Add(ref fileSvr);
//添加到目录表
SqlExec se = new SqlExec();
se.insert("up6_folders", new SqlParam[] {
new SqlParam("f_id", id)
, new SqlParam("f_pathLoc", fileSvr.pathLoc)
, new SqlParam("f_size", fileSvr.sizeLoc)
, new SqlParam("f_nameLoc", fileSvr.nameLoc)
, new SqlParam("f_pid", pid)
, new SqlParam("f_pidRoot", pidRoot)
});
up6_biz_event.folder_create(fileSvr);
string json = JsonConvert.SerializeObject(fileSvr);
json = HttpUtility.UrlEncode(json);
json = json.Replace("+", "%20");
var jo = new JObject {
{ "value", json }
};
json = callback + string.Format("({0})", JsonConvert.SerializeObject(jo));
PageTool.to_content(json);
}
void file_post()
{
string uid = Request.Headers["uid"];
string f_id = Request.Headers["id"];
string lenSvr = Request.Headers["lenSvr"]; //已传大小
string lenLoc = Request.Headers["lenLoc"]; //本地文件大小
string blockOffset = Request.Headers["blockOffset"];
string blockSize = Request.Headers["blockSize"]; //当前块大小
string blockIndex = Request.Headers["blockIndex"]; //当前块索引，基于1
string blockMd5 = Request.Headers["blockMd5"]; //块MD5
string complete = Request.Headers["complete"]; //true/false
string pathSvr = Request.Form["pathSvr"]; //add(2015-03-19):
pathSvr = HttpUtility.UrlDecode(pathSvr);
if (this.head_val_null_empty("lenLoc, uid, id, blockOffset"))
{
return;
}
if (Request.Files.Count < 1)
{
PageTool.to_content("file is empty");
return;
}
bool verify = false;
string msg = string.Empty;
string md5Svr = string.Empty;
HttpPostedFile file = Request.Files.Get(0);//文件块
//计算文件块MD5
if (!string.IsNullOrEmpty(blockMd5))
{
md5Svr = Md5Tool.calc(file.InputStream);
}
//文件块大小验证
verify = int.Parse(blockSize) == file.InputStream.Length;
if (!verify)
{
msg = "block size error sizeSvr:" + file.InputStream.Length + " sizeLoc:" + blockSize;
}
//块MD5验证
if (verify && !string.IsNullOrEmpty(blockMd5))
{
verify = md5Svr == blockMd5;
if (!verify)
{
msg = "block md5 error";
}
}
if (verify)
{
//2.0保存文件块数据
FileBlockWriter res = new FileBlockWriter();
res.make(pathSvr, Convert.ToInt64(lenLoc));
res.write(pathSvr, Convert.ToInt64(blockOffset), ref file);
up6_biz_event.file_post_block(f_id, Convert.ToInt32(blockIndex));
//生成信息
JObject o = new JObject();
o["msg"] = "ok";
o["md5"] = md5Svr; //文件块MD5
o["offset"] = blockOffset; //偏移
msg = JsonConvert.SerializeObject(o);
}
PageTool.to_content(msg);
}
void file_down()
{
string id = Request.Headers["id"]; //文件id
string blockIndex = Request.Headers["blockIndex"]; //基于1
string blockOffset = Request.Headers["blockOffset"]; //块偏移，相对于整个文件
string blockSize = Request.Headers["blockSize"]; //块大小（当前需要下载的）
string pathSvr = Request.Headers["pathSvr"]; //文件在服务器的位置
pathSvr = HttpUtility.UrlDecode(pathSvr);
if (this.head_val_null_empty("id, blockIndex, blockOffset, pathSvr"))
{
Response.StatusCode = 500;
var o = this.head_to_json();
PageTool.to_content(o);
return;
}
Response.Clear();
Stream iStream = null;
try
{
// Open the file.
iStream = new FileStream(pathSvr, FileMode.Open, FileAccess.Read, FileShare.Read);
iStream.Seek(long.Parse(blockOffset), SeekOrigin.Begin);//定位
// Total bytes to read:
long dataToRead = long.Parse(blockSize);
Response.ContentType = "application/octet-stream";
Response.AddHeader("Content-Length", blockSize);
int buf_size = Math.Min(1048576, int.Parse(blockSize));
byte[] buffer = new Byte[buf_size];
int length;
while (dataToRead > 0)
{
// Verify that the client is connected.
if (Response.IsClientConnected)
{
// Read the data in buffer.
length = iStream.Read(buffer, 0, buf_size);
dataToRead -= length;
// Write the data to the current output stream.
Response.OutputStream.Write(buffer, 0, length);
// Flush the data to the HTML output.
Response.Flush();
}
else
{
//prevent infinite loop if user disconnects
dataToRead = -1;
}
}
}
catch (Exception ex)
{
Response.StatusCode = 500;
// Trap the error, if any.
Response.Write("Error : " + ex.Message);
}
finally
{
if (iStream != null)
{
//Close the file.
iStream.Close();
}
}
}
