public async Task OnRequest(object sender, SessionEventArgs e)
{
if (e.WebSession.Request.Url.Contains("music.163.com/eapi/song/enhance") || e.WebSession.Request.Url.Contains("music.163.com/eapi/song/like"))
{
Console.WriteLine("从代理服务器获取：" + e.WebSession.Request.Url);
var proxy = proxySelector.GetTop();
var st = new Stopwatch();
st.Start();
try
{
byte[] ret = null;
using (var wc = new ImpatientWebClient())
{
wc.Proxy = new WebProxy(proxy.host, proxy.port);
foreach (var aheader in e.WebSession.Request.RequestHeaders)
{
var str = aheader.Name.ToLower();
if (str == "host" || str == "content-length" || str == "accept" || str == "user-agent" || str == "connection")
{
continue;
}
wc.Headers.Add(aheader.Name, aheader.Value);
}
ret = wc.UploadData(e.WebSession.Request.Url.Replace("https://", "http://"), await e.GetRequestBody());
}
st.Stop();
await e.Ok(ret);
Console.WriteLine("修改完成，用时 " + st.ElapsedMilliseconds + " ms");
}
catch (Exception ex) { Console.WriteLine(ex); }
}
}
public void UpdateList()
{
var newProxies = new List <Proxy>();
var ret = "";
using (var wc = new ImpatientWebClient())
ret = wc.DownloadString("https://cn-proxy.com/");
var trs = Regex.Matches(ret, "<tr>(.*?)<\\/tr>", RegexOptions.Singleline);
foreach (Match tr in trs)
{
var tds = Regex.Matches(tr.Groups[1].Value, "<td>(.*?)<\\/td>");
if (tds.Count > 2)
{
var host = tds[0].Groups[1].Value;
if (Regex.IsMatch(host, @"\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}"))
{
if (int.TryParse(tds[1].Groups[1].Value, out var port))
{
newProxies.Add(new Proxy()
{
host = host, port = port, latency = int.MaxValue
});
}
}
}
}
lock (this)
Proxies = newProxies;
}
public void UpdateList()
{
var newProxies = new List <Proxy>();
var ret = "";
using (var wc = new ImpatientWebClient())
ret = wc.DownloadString("http://cn-proxy.com/");
var tables = Regex.Matches(ret, "<table class=\"sortable\">.+?<tbody>(.*?)<\\/tbody>", RegexOptions.Singleline);
var first = true;
foreach (Match mat in tables)
{
if (first)
{
first = false;
continue;
}
var trs = Regex.Matches(mat.Groups[1].Value, "<tr>(.*?)<\\/tr>", RegexOptions.Singleline);
foreach (Match tr in trs)
{
var tds = Regex.Matches(tr.Groups[1].Value, "<td>(.*?)<\\/td>");
try
{
newProxies.Add(new Proxy()
{
host = tds[0].Groups[1].Value, port = int.Parse(tds[1].Groups[1].Value), latency = int.MaxValue
});
}
catch (Exception) { }
}
}
lock (this)
Proxies = newProxies;
}
public void UpdateLatency()
{
var newProxies = Proxies.Select(p => new Proxy {
host = p.host, port = p.port
}).ToList();
var actions = new List <Action>();
foreach (var proxy in newProxies)
{
actions.Add(() =>
{
var latency = int.MaxValue;
try
{
using (var wc = new ImpatientWebClient(ProxyTestTimeout))
{
wc.Proxy = new WebProxy(proxy.host, proxy.port);
var sw = new Stopwatch();
sw.Start();
var ret = wc.DownloadString("https://music.163.com/about");
sw.Stop();
if (ret.Contains("music.126"))
{
latency = (int)sw.ElapsedMilliseconds;
}
}
lock (this)
{
proxy.latency = latency;
proxy.valid = latency != int.MaxValue;
}
Console.WriteLine("{0}: OK", proxy);
}
catch (Exception e) {
Console.WriteLine("{0}: {1}", proxy, e.Message);
}
});
}
Parallel.Invoke(new ParallelOptions {
MaxDegreeOfParallelism = parallelism
}, actions.ToArray());
newProxies = newProxies.Where(p => p.valid).OrderBy(p => p.latency).ToList();
Console.WriteLine("Available proxies: ");
newProxies.ForEach(p => Console.WriteLine(p));
lock (this)
Proxies = newProxies.Where(p => p.valid).OrderBy(p => p.latency).ToList();
}
public void UpdateLatency()
{
var tasks = new List <Task>();
List <Proxy> newProxies;
lock (this)
{
newProxies = Proxies.Select(item => new Proxy {
host = item.host, port = item.port, latency = item.latency
}).ToList();
}
foreach (var proxy in newProxies)
{
tasks.Add(Task.Factory.StartNew(() =>
{
var latency = int.MaxValue;
try
{
using (var wc = new ImpatientWebClient())
{
wc.Proxy = new WebProxy(proxy.host, proxy.port);
var sw = new Stopwatch();
sw.Start();
var ret = wc.DownloadString("http://music.163.com/about");
sw.Stop();
if (ret.Contains("music.126"))
{
latency = (int)sw.ElapsedMilliseconds;
}
}
proxy.latency = latency;
}
catch (Exception) { }
}));
}
Task.WaitAll(tasks.ToArray(), 5000);
newProxies = newProxies.OrderBy(o => o.latency).ToList();
lock (this)
{
Proxies = newProxies;
}
}
public async Task OnRequest(object sender, SessionEventArgs e)
{
if (proxiedAddresses.Any(str => e.WebSession.Request.Url.Contains(str)))
{
Console.WriteLine("从代理服务器获取：" + e.WebSession.Request.Url);
var proxy = proxySelector.GetTop();
var st = new Stopwatch();
st.Start();
try
{
using (var wc = new ImpatientWebClient())
{
wc.Proxy = new WebProxy(proxy.host, proxy.port);
foreach (var aheader in e.WebSession.Request.RequestHeaders)
{
var str = aheader.Name.ToLower();
if (skipRequestHeaders.Contains(str))
{
continue;
}
wc.Headers.Add(aheader.Name, aheader.Value);
}
var body = wc.UploadData(e.WebSession.Request.Url, await e.GetRequestBody());
var headers = new Dictionary <string, HttpHeader>();
foreach (var key in wc.ResponseHeaders.AllKeys)
{
headers.Add(key, new HttpHeader(key, wc.ResponseHeaders[key]));
}
await e.Ok(body, headers);
}
st.Stop();
Console.WriteLine("修改完成，用时 " + st.ElapsedMilliseconds + " ms");
}
catch (Exception ex) { Console.WriteLine(ex); }
}
}
//Modify response
public async Task OnResponse(object sender, SessionEventArgs e)
{
//read response headers
var responseHeaders = e.WebSession.Response.ResponseHeaders;
if ((e.WebSession.Request.Method == "GET" || e.WebSession.Request.Method == "POST") && e.WebSession.Response.ResponseStatusCode == "200")
{
if (e.WebSession.Response.ContentType != null && e.WebSession.Response.ContentType.Trim().ToLower().Contains("text") || e.WebSession.Request.Url.StartsWith("http://music.163.com/eapi/song/enhance/player/url"))
{
if (e.WebSession.Request.Url.StartsWith("http://music.163.com/eapi/song/enhance/player/url"))
{
Console.WriteLine("从代理服务器获取歌曲地址");
var proxies = ps.GetTopProxies(1);
var tasks = new List <Task <byte[]> >();
var st = new Stopwatch();
st.Start();
foreach (var proxy in proxies)
{
tasks.Add(Task <byte[]> .Factory.StartNew(() =>
{
try
{
using (var wc = new ImpatientWebClient())
{
wc.Proxy = new WebProxy(proxy.host, proxy.port);
foreach (var aheader in head)
{
var str = aheader.Key.ToLower();
if (str == "host" || str == "content-length" || str == "accept" || str == "user-agent" || str == "connection")
{
continue;
}
wc.Headers.Add(aheader.Key, aheader.Value.Value);
}
var ret = wc.UploadData(e.WebSession.Request.Url, body);
return(ret);
}
}
catch (Exception) { }
return(new byte[0]);
}));
}
var idx = Task.WaitAny(tasks.ToArray());
st.Stop();
await e.SetResponseBody(tasks[idx].Result);
Console.WriteLine("修改完成，用时 " + st.ElapsedMilliseconds + " ms");
}
else if (e.WebSession.Request.Url.StartsWith("http://music.163.com/eapi/"))
{
var body = await e.GetResponseBodyAsString();
if (Regex.Match(body, "\"st\":-\\d+").Success)
{
Console.WriteLine("替换歌曲列表信息");
body = Regex.Replace(body, "\"st\":-\\d+", "\"st\":0");
body = body.Replace("\"pl\":0", "\"pl\":320000");
body = body.Replace("\"dl\":0", "\"dl\":320000");
await e.SetResponseBodyString(body);
}
}
}
}
}
