/// <summary>
/// 上传最后一块分块文件。同时，此函数可以用来一次上传整个文件
/// </summary>
/// <returns></returns>
private async Task <string> upload_LastBlock(string uuid, PartViewStream pvs, string uploadToken, string host, long iblock)
{
var flength = pvs.Length;
//pvs.SetRange(0, pvs.Length - 1);
var uploadUrl = host + $"/mkblk/{flength}/{iblock}";
HttpWebRequest req = WebRequest.CreateHttp(uploadUrl);
req.Method = "POST";
req.Headers.Add("Qingzhen-Token", recentToken);
req.Headers.Add("Authorization", uploadToken);
req.ContentLength = pvs.Length;
req.ContentType = "application/octet-stream";
req.Headers.Add("UploadBatch", uuid);
var reqStream = await req.GetRequestStreamAsync();
await pvs.CopyToAsync(reqStream);
reqStream.Close();
var resp = (HttpWebResponse)await req.GetResponseAsync();
var respStream = resp.GetResponseStream();
var sr = new StreamReader(respStream);
var retjson = sr.ReadToEnd();
sr.Close();
resp.Close();
req.Abort();
Newtonsoft.Json.Linq.JObject json = Newtonsoft.Json.Linq.JObject.Parse(retjson);
string ctx = json["ctx"].ToString();
return(ctx);
}
async Task <string> postStream(string url, Dictionary <string, string> heads, Stream stm, long stmLen)
{
HttpWebRequest req = WebRequest.CreateHttp(url);
req.Method = "POST";
foreach (var h in heads)
{
req.Headers.Add(h.Key, h.Value);
}
req.ContentLength = stmLen;
req.ContentType = "application/octet-stream";
var reqStream = await req.GetRequestStreamAsync();
// CopyTo(reqSteam) 使用在这个请求里可能发生异常，故用自己写的BlockCopyTo
await PartViewStream.StreamBlockCopyAsync(stm, reqStream);
reqStream.Close();
HttpWebResponse resp = (HttpWebResponse)await req.GetResponseAsync();
var respStream = resp.GetResponseStream();
var sr = new StreamReader(respStream);
var retjson = await sr.ReadToEndAsync();
sr.Close();
resp.Close();
req.Abort();
return(retjson);
}
async Task <string> upload_firstChunk(string uuid, PartViewStream pvs, long iblock, string uploadToken, string host, string keyname)
{
var uploadUrl = host + $"/mkblk/{block_size}/{iblock}";
HttpWebRequest req = WebRequest.CreateHttp(uploadUrl);
req.Method = "POST";
req.Headers.Add("Authorization", uploadToken);
req.Headers.Add("UploadBatch", uuid);
req.ContentLength = pvs.Length;
req.ContentType = "application/octet-stream";
var reqStream = await req.GetRequestStreamAsync();
pvs.BlockCopyTo(reqStream);
reqStream.Close();
var resp = (HttpWebResponse)await req.GetResponseAsync();
var respStream = resp.GetResponseStream();
var sr = new StreamReader(respStream);
var retjson = sr.ReadToEnd();
sr.Close();
resp.Close();
req.Abort();
Newtonsoft.Json.Linq.JObject json = Newtonsoft.Json.Linq.JObject.Parse(retjson);
if (!json.ContainsKey("ctx"))
{
return(null);
}
return(json["ctx"].ToString());
}
public async Task upload_streamAsync(string host, System.IO.Stream stream, string folder_id, string uploadToken, string keyname)
{
//前面的块分片传输，最后的块，整块一片传输，方便写程序
long flength = stream.Length;
if (flength == 0)
{
return;
}
long nblock = flength / block_size;
var viewStm = new PartViewStream(stream);
List <string> ctxs = new List <string>();
// uuid 赋值给 http 头 uploadBatch，整个文件uuid必须相同
//(网上的文档说每一个小片chunk不相同是错误的)
string uuid = System.Guid.NewGuid().ToString();
for (int iblock = 0; iblock < nblock; iblock++)
{
//先上传第一片
long from = iblock * block_size;
viewStm.SetRange(from, from + chunk_size);
string ctx = await upload_firstChunk(uuid, viewStm, iblock, uploadToken, host, keyname);
for (int ichunk = 1; ichunk < block_size / chunk_size; ichunk++)
{
from += chunk_size;
viewStm.SetRange(from, from + chunk_size);
ctx = await upload_restChunk(uuid, viewStm, ctx, uploadToken, host, ichunk, keyname);
}
ctxs.Add(ctx);
}
//上传剩余的不完整块
if (flength % block_size != 0)
{
long from = nblock * block_size;
long restLength = flength - from;
// 上传最后块的第一片,这里只分一片，所以一次上传完毕
viewStm.SetRange(from, flength);
string ctx = await upload_LastBlock(uuid, viewStm, uploadToken, host, nblock);
ctxs.Add(ctx);
}
//所有的块上传完毕，开始合并所有的块为文件
await upload_mkfile(uuid, stream.Length, ctxs, host, uploadToken);
//updateToken(resp);
}
private async Task <string> upload_restChunk(string uuid, PartViewStream pvs, string ctx, string uploadToken, string host, int ichunk, string keyname)
{
///POST /bput/<ctx>/<nextChunkOffset>
///Host: <UploadDomain>
///Authorization:<UploadToken>
///Content-Length:<ChunkSize>
///Content-Type:application/octet-stream
///UploadBatch:<uuid>
///Key:<key>
///
///<ChunkBinary>
var uploadUrl = host + $"/bput/{ctx}/{ichunk * chunk_size}";
HttpWebRequest req = WebRequest.CreateHttp(uploadUrl);
req.Method = "POST";
//req.Headers.Add("Qingzhen-Token", recentToken);
req.ContentLength = pvs.Length;
req.Headers.Add("Authorization", uploadToken);
req.ContentType = "application/octet-stream";
req.Headers.Add("UploadBatch", uuid);
//req.Headers.Add("Key", UrlSafeBase64.encode(keyname));
var reqStream = await req.GetRequestStreamAsync();
//await pvs.CopyToAsync(reqStream);
// CopyTo(reqSteam) 使用在这个请求里可能发生异常，故用自己写的BlockCopyTo
pvs.BlockCopyTo(reqStream);
reqStream.Close();
HttpWebResponse resp = (HttpWebResponse)await req.GetResponseAsync();
var respStream = resp.GetResponseStream();
var sr = new StreamReader(respStream);
var retjson = await sr.ReadToEndAsync();
sr.Close();
resp.Close();
req.Abort();
Newtonsoft.Json.Linq.JObject json = Newtonsoft.Json.Linq.JObject.Parse(retjson);
if (!json.ContainsKey("ctx"))
{
return(null);
}
return(json["ctx"].ToString());
}
//class MyHttpClientHandlerProxy : HttpClientHandler
//{
// string _token;
// public MyHttpClientHandlerProxy(string token) { _token = token; }
// protected async override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, System.Threading.CancellationToken cancellationToken)
// {
// request.Headers.Add("Authorization", _token);
// var response = await base.SendAsync(request, cancellationToken);
// return response;
// HttpRequestMessage req = new HttpRequestMessage(HttpMethod.Post, url);
// addHeads(req, head);
// var ms = new MemoryStream();
// pvs.CopyTo(ms);
// req.Content = new StreamContent(pvs);
// var result = await _hc.SendAsync(req, HttpCompletionOption.ResponseHeadersRead);
// var retjson = result.Content.ReadAsStringAsync().Result;
// Newtonsoft.Json.Linq.JObject json = Newtonsoft.Json.Linq.JObject.Parse(retjson);
// string ctx = json["ctx"].ToString();
// return ctx;
// }
//}
public async Task upload_stream_hc(string host, System.IO.Stream stream, string name, string folder_id, string uploadToken)
{
long flength = stream.Length;
if (flength == 0)
{
return;
}
void addHeads(HttpRequestMessage req, Dictionary <string, string> heads)
{
req.Headers.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("token", uploadToken);
foreach (var h in heads)
{
req.Headers.Add(h.Key, h.Value);
}
}
// uuid 赋值给 http 头 uploadBatch，整个文件uuid必须相同
//(网上的文档说每一个小片chunk不相同是错误的)
string uuid = System.Guid.NewGuid().ToString();
var head = new Dictionary <string, string>()
{ //{ "Qingzhen-Token", recentToken },
//{ "Authorization", uploadToken },
{ "UploadBatch", uuid }
};
//_hc.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("uploadToken);
var pvs = new PartViewStream(stream);
async Task <string> post(string url)
{
HttpRequestMessage req = new HttpRequestMessage(HttpMethod.Post, url);
addHeads(req, head);
var ms = new MemoryStream();
pvs.CopyTo(ms);
req.Content = new StreamContent(pvs);
var result = await _hc.SendAsync(req, HttpCompletionOption.ResponseHeadersRead);
var retjson = result.Content.ReadAsStringAsync().Result;
Newtonsoft.Json.Linq.JObject json = Newtonsoft.Json.Linq.JObject.Parse(retjson);
string ctx = json["ctx"].ToString();
return(ctx);
}
long nblock = flength / block_size;
List <string> ctxs = new List <string>();
//前面的块分片传输，最后的块，整块一片传输，方便写程序
for (int iblock = 0; iblock < nblock; iblock++)
{
//创建块并上传第一片
long from = iblock * block_size;
pvs.SetRange(from, from + chunk_size);
string url = $"{host}/mkblk/{pvs.Length}/{iblock}";
string ctx = await post(url);
for (int ichunk = 1; ichunk < block_size / chunk_size; ichunk++)
{
from += chunk_size;
pvs.SetRange(from, from + chunk_size);
url = $"{host}/bput/{ctx}/{ichunk * chunk_size}";
ctx = await post(url);
//ctx = await upload_restChunk(uuid, pvs, ctx, uploadToken, host, ichunk, keyname);
}
ctxs.Add(ctx);
}
//上传剩余的不完整块
if (flength % block_size != 0)
{
long from = nblock * block_size;
long restLength = flength - from;
// 上传最后块的第一片,这里只分一片，所以一次上传完毕
pvs.SetRange(from, flength);
string url = $"{host}/mkblk/{pvs.Length}/{nblock}";
string ctx = await post(url);
ctxs.Add(ctx);
}
//所有的块上传完毕，开始合并所有的块为文件
await upload_mkfile(uuid, stream.Length, ctxs, host, uploadToken);
//updateToken(resp);
///var oneUrl = $"{host}/mkblk/{stream.Length}/0";
///HttpRequestMessage req = new HttpRequestMessage(HttpMethod.Post, oneUrl);
///addHeads(req, head);
///req.Content = new StreamContent(pvs);
///var result = await _hc.SendAsync(req, HttpCompletionOption.ResponseHeadersRead);
///
///var retjson = result.Content.ReadAsStringAsync().Result;
///Newtonsoft.Json.Linq.JObject json = Newtonsoft.Json.Linq.JObject.Parse(retjson);
///bool ok = json.ContainsKey("ctx");
///return;
}
public async Task upload_streamAsync2(string filehost, System.IO.Stream stream, string uploadToken, string keyname)
{
long flength = stream.Length;
if (flength == 0)
{
return;
}
void addHeads(HttpWebRequest req, Dictionary <string, string> heads)
{
foreach (var h in heads)
{
req.Headers.Add(h.Key, h.Value);
}
}
/// uuid 赋值给 http 头 uploadBatch，整个文件uuid必须相同
///(网上的文档说每一个小片chunk不相同是错误的)
string uuid = System.Guid.NewGuid().ToString();
var head = new Dictionary <string, string>()
{ // { "Qingzhen-Token", recentToken },
{ "Authorization", uploadToken },
{ "UploadBatch", uuid }
};
var pvs = new PartViewStream(stream);
async Task <string> post(string url)
{
var retjson = await postStream(url, head, pvs, pvs.Length);
Newtonsoft.Json.Linq.JObject json = Newtonsoft.Json.Linq.JObject.Parse(retjson);
return(json["ctx"].ToString());
}
long nblock = flength / block_size;
List <string> ctxs = new List <string>();
string url = null;
//前面的块分片传输，最后的块，整块一片传输，方便写程序
for (int iblock = 0; iblock < nblock; iblock++)
{
//创建块并上传第一片
long from = iblock * block_size;
pvs.SetRange(from, from + chunk_size);
url = $"{filehost}/mkblk/{block_size}/{iblock}";
string ctx = await post(url);
for (int ichunk = 1; ichunk < block_size / chunk_size; ichunk++)
{
from += chunk_size;
pvs.SetRange(from, from + chunk_size);
url = $"{filehost}/bput/{ctx}/{ichunk * chunk_size}";
ctx = await post(url);
//ctx = await upload_restChunk(uuid, pvs, ctx, uploadToken, host, ichunk, keyname);
}
ctxs.Add(ctx);
}
//上传剩余的不完整块
if (flength % block_size != 0)
{
long from = nblock * block_size;
long restLength = flength - from;
// 上传最后块的第一片,这里只分一片，所以一次上传完毕
pvs.SetRange(from, flength);
url = $"{filehost}/mkblk/{pvs.Length}/{nblock}";
string ctx = await post(url);
ctxs.Add(ctx);
}
//所有的块上传完毕，开始合并所有的块为文件
url = $"{filehost}/mkfile/{flength}";
var outStr = System.Linq.Enumerable.Aggregate(ctxs, (x0, x1) => x0 + "," + x1);
var retjson = await postStr(url, head, outStr);
Newtonsoft.Json.Linq.JObject json = Newtonsoft.Json.Linq.JObject.Parse(retjson);
//json["response"]
//await upload_mkfile(uuid, stream.Length, ctxs, host, uploadToken);
//updateToken(resp);
}