无法使用代理下载URL [英] Unable to download a URL using proxy

问题描述

我正在尝试下载belo网址



[ ^ ]



[ ^ ]



我可以在不提及代理的情况下下载上述URL。

如果我设置代理我收到错误消息错误尝试自动重定向太多。



如果您需要更多信息，请告诉我。

谢谢，

Siddi。



我尝试了什么：



以下是我尝试过的不同选项：

使用System;

使用System.Coll ections.Generic;

使用System.Linq;

使用System.Net;

使用System.Text;

使用System.Threading.Tasks;

使用System.Diagnostics;

使用System.IO;



命名空间AutoRedirect

{

class program

{

static string pilotSecuritiesFilePath = @C：\ FINRA \\ \\pilotSecuritiesProxy.txt; // GetPilotSecuritiesFilePath（）;

静态字符串pilotChangesFilePath = @C：\ FININRA \pilotChangesProxy.txt; // GetPilotChangesFilePath（）;

static string masterURL =http://tsp.finra.org/finra_org/ticksizepilot/TSPrePilotSecurities.txt;

static string changeURL =http://tsp.finra.org/finra_org /ticksizepilot/TSPrePilotChanges.txt;

静态字符串sSource;

静态字符串sLog;

静态字符串sEvent;

static string filePath = @C：\ FININ \\ LOG.txt;



static void Main（string [] args）

{

sSource = AutoRedirectApp;

sLog =申请;

sEvent =AutoRedirect;



if（ File.Exists（filePath））

{

File.Delete（filePath）;

}



// if（！EventLog.SourceExists（sSource））

// EventLog.CreateEventSource（sSource，sLog）;

DownloadPilotSecuritiesWithoutProxy（）;

DownloadPilotSecurities（）;

DownloadUsingWebRequestWithoutProxy（）;

DownloadUsingWebRequestWithProxy（）;

DownloadUsingWebRequestWithProxyMaxRedirections（）;

DownloadUsingWebRequestWithProxyWithBaseURL（）;

}















private static void DownloadPilotSecuritiesWithoutProxy（）

{

// LogMessage（使用没有代理的WebClient下载：开始）;

尝试使用（WebClient webClient = new WebClient（））
$
b $ b //webClient.BaseAddress =http://www.finra.org/;

webClient.DownloadFile（masterURL，pilotSecuritiesFilePath）;

webClient.DownloadFile （changeURL，pilotChangesFilePath）;

}

}

catch（例外情况）

{

EventLog.WriteEntry（sSource，ex.Message）;

//LogMessage(ex.Message）;

LogMessage（使用没有代理的WebClient下载：错误+ ex.Message）;

}

LogMessage（使用没有代理的WebClient下载：已完成）;

}



private static void DownloadPilotSecurities（）

{

// LogMessage（使用带代理的WebClient下载：已启动）;

尝试使用（WebClient webClient = new WebClient（））
$
b $ b WebProxy wp = new WebProxy（http：//SomeProxy.pac）;

webClient.Proxy = wp;

//webClient.BaseAddress =http ：//www.finra.org/;

webClient.DownloadFile（masterURL，pilotSecuritiesFilePath）;

webClient.DownloadFile（changeURL，pilotChangesFilePath）;

}

LogMessage（使用带代理的WebClient下载：已完成）;

}

catch（Exception ex）

{

//EventLog.WriteEntry（sSource，ex.Message）;

Console.WriteLine（ex.Message）;

//LogMessage(ex.Message）;

LogMessage（使用下载带代理的WebClient：错误+ ex.Message）;

}



}



private static void DownloadUsingWebRequestWithoutProxy（）

{

// LogMessage（使用没有代理的WebRequest下载：已启动）;

HttpWebRequest webReq =（HttpWebRequest）WebRequest.Create（masterURL） ;

字符串res;

尝试

{

webReq.Method =GET;



使用（WebResponse response = webReq.GetResponse（））

{

using（Stream stream = response .GetResponseStream（））

{

StreamReader reader = new StreamReader（stream）;

res = reader.ReadToEnd（）;

}

}



File.AppendAllText（pilotSecuritiesFilePath，res）;

LogMessage（ 使用没有代理的WebRequest下载：已完成）;

}

catch（例外情况）

{

LogMessage（使用没有代理的WebRequest下载：错误+ ex.Message）;

}

}



private static void DownloadUsingWebRequestWithProxy（）

{

// LogMessage（使用没有代理的WebRequest下载：已启动）;

HttpWebRequest webReq =（HttpWebRequest）WebRequest.Create（masterURL）;

CookieContainer cookieContainer = new CookieContainer（）;

string res;

try

{

webReq。 Method =GET;

WebProxy wp = new WebProxy（http：//SomeProxy.pac）;

webReq.Proxy = wp;

webReq.CookieContainer = cookieContainer;



使用（WebResponse response = webReq.GetResponse（））

{

using（Stream stream = response .GetResponseStream（））

{

StreamReader reader = new StreamReader（stream）;

res = reader.ReadToEnd（）;

}

}



File.AppendAllText（pilotSecuritiesFilePath，res）;

LogMessage（ 通过代理下载使用WebRequest：已完成）;

}

catch（例外情况）

{

LogMessage（使用带代理的WebRequest下载：错误+ ex.Message）;

}

}



private static void DownloadUsingWebRequestWithProxyMaxRedirections（）

{

// LogMessage（使用没有代理的WebRequest下载：已启动）;

HttpWebRequest webReq =（HttpWebRequest）WebRequest.Create（masterURL）;

CookieContainer cookieContainer = new CookieContainer（ ）;

string res;

try

{

webReq.Method =GET;

WebProxy wp = new WebProxy（http：//SomeProxy.pac）;

webReq.Proxy = wp;

webReq.CookieContainer = cookieContainer;

webReq.MaximumAutomaticRedirections = 10000;



使用（WebResponse response = webReq.GetResponse（））

{

使用（Stream stream = response.GetResponseStream（））

{

StreamReader reader = new StreamReader（stream）;

res = reader.ReadToEnd（）;

}

}



File.AppendAllText（pilotSecuritiesFilePath，res） ;

LogMessage（使用带有最大重定向的代理的WebRequest下载：已完成）;

}

catch（Exception ex）

{

LogMessage（使用带有Max重定向的代理的WebRequest下载：错误+ ex.Message）;

}

}



private static void LogMessage（string message）

{



File.AppendAllText（filePath，Environment.NewLine + message）;



}



private static void DownloadUsingWebRequestWithProxyWithBaseURL（）

{

HttpWebRequest webReq =（HttpWebRequest）WebRequest.Create（http： //www.finra.org/）;

CookieContainer cookieContainer = new CookieContainer（）;

string res;

try

{

webReq.Method =GET;



//webReq.Proxy = wp;

webReq.CookieContainer = cookieContainer;

//webReq.MaximumAutomaticRedirections = 10000;



using（WebResponse response = webReq.GetResponse （））

{

使用（Stream stream = response.GetResponseStream（））

{

StreamReader阅读器= new StreamReader（stream）;

res = reader.ReadToEnd（）;

}

}



webReq =（HttpWebRequest）WebRequest.Create（http：//tsp.finra.o rg / finra_org / ticksizepilot / TSPrePilotSecurities.txt）;

webReq.CookieContainer = cookieContainer;

webReq.Method =GET;

WebProxy wp = new WebProxy（http：//SomeProxy.pac）;

webReq.Proxy = wp;

using（WebResponse response2 = webReq.GetResponse（））

{

使用（Stream stream = response2.GetResponseStream（））

{

StreamReader reader = new StreamReader （流）;

res = reader.ReadToEnd（）;

}

}



File.AppendAllText（pilotSecuritiesFilePath，res）;

LogMessage（使用带有基本URL的代理的WebRequest下载：已完成）;

}

catch（Exception ex）

{

LogMessage（使用带有基本URL的代理的WebRequest下载：错误+ ex.Message）;

}

}





}

}

Hi,
I am trying to download the belo URLs

[^]

[^]

I am able to download the above URLs with out mentioning the Proxy.
If I set the proxy I am getting the error message "Error Too many automatic redirections were attempted" .

Please let me know if you need more inforamtion.
Thanks,
Siddi.

What I have tried:

Below are the different options I have tried:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Diagnostics;
using System.IO;

namespace AutoRedirect
{
class Program
{
static string pilotSecuritiesFilePath = @"C:\FINRA\pilotSecuritiesProxy.txt";//GetPilotSecuritiesFilePath();
static string pilotChangesFilePath = @"C:\FINRA\pilotChangesProxy.txt";//GetPilotChangesFilePath();
static string masterURL = "http://tsp.finra.org/finra_org/ticksizepilot/TSPrePilotSecurities.txt";
static string changeURL = "http://tsp.finra.org/finra_org/ticksizepilot/TSPrePilotChanges.txt";
static string sSource;
static string sLog;
static string sEvent;
static string filePath = @"C:\FINRA\Log.txt";

static void Main(string[] args)
{
sSource = "AutoRedirectApp";
sLog = "Application";
sEvent = "AutoRedirect";

if (File.Exists(filePath))
{
File.Delete(filePath);
}

//if (!EventLog.SourceExists(sSource))
// EventLog.CreateEventSource(sSource, sLog);
DownloadPilotSecuritiesWithoutProxy();
DownloadPilotSecurities();
DownloadUsingWebRequestWithoutProxy();
DownloadUsingWebRequestWithProxy();
DownloadUsingWebRequestWithProxyMaxRedirections();
DownloadUsingWebRequestWithProxyWithBaseURL();
}







private static void DownloadPilotSecuritiesWithoutProxy()
{
//LogMessage("Download using WebClient Without Proxy: Start");
try
{
using (WebClient webClient = new WebClient())
{
//webClient.BaseAddress = "http://www.finra.org/";
webClient.DownloadFile(masterURL, pilotSecuritiesFilePath);
webClient.DownloadFile(changeURL, pilotChangesFilePath);
}
}
catch (Exception ex)
{
EventLog.WriteEntry(sSource, ex.Message);
//LogMessage(ex.Message);
LogMessage("Download using WebClient Without Proxy: Error " + ex.Message);
}
LogMessage("Download using WebClient Without Proxy: Completed");
}

private static void DownloadPilotSecurities()
{
// LogMessage("Download using WebClient with Proxy: Started");
try
{
using (WebClient webClient = new WebClient())
{
WebProxy wp = new WebProxy("http://SomeProxy.pac");
webClient.Proxy = wp;
//webClient.BaseAddress = "http://www.finra.org/";
webClient.DownloadFile(masterURL, pilotSecuritiesFilePath);
webClient.DownloadFile(changeURL, pilotChangesFilePath);
}
LogMessage("Download using WebClient with Proxy: Completed");
}
catch (Exception ex)
{
//EventLog.WriteEntry(sSource, ex.Message);
Console.WriteLine(ex.Message);
//LogMessage(ex.Message);
LogMessage("Download using WebClient with Proxy: Error " + ex.Message);
}

}

private static void DownloadUsingWebRequestWithoutProxy()
{
// LogMessage("Download Using WebRequest without Proxy: Started");
HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(masterURL);
string res;
try
{
webReq.Method = "GET";

using (WebResponse response = webReq.GetResponse())
{
using (Stream stream = response.GetResponseStream())
{
StreamReader reader = new StreamReader(stream);
res = reader.ReadToEnd();
}
}

File.AppendAllText(pilotSecuritiesFilePath, res);
LogMessage("Download Using WebRequest without Proxy: Completed");
}
catch (Exception ex)
{
LogMessage("Download Using WebRequest without Proxy: Error " + ex.Message);
}
}

private static void DownloadUsingWebRequestWithProxy()
{
// LogMessage("Download Using WebRequest without Proxy: Started");
HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(masterURL);
CookieContainer cookieContainer = new CookieContainer();
string res;
try
{
webReq.Method = "GET";
WebProxy wp = new WebProxy("http://SomeProxy.pac");
webReq.Proxy = wp;
webReq.CookieContainer = cookieContainer;

using (WebResponse response = webReq.GetResponse())
{
using (Stream stream = response.GetResponseStream())
{
StreamReader reader = new StreamReader(stream);
res = reader.ReadToEnd();
}
}

File.AppendAllText(pilotSecuritiesFilePath, res);
LogMessage("Download Using WebRequest with Proxy: Completed");
}
catch (Exception ex)
{
LogMessage("Download Using WebRequest with Proxy: Error " + ex.Message);
}
}

private static void DownloadUsingWebRequestWithProxyMaxRedirections()
{
// LogMessage("Download Using WebRequest without Proxy: Started");
HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(masterURL);
CookieContainer cookieContainer = new CookieContainer();
string res;
try
{
webReq.Method = "GET";
WebProxy wp = new WebProxy("http://SomeProxy.pac");
webReq.Proxy = wp;
webReq.CookieContainer = cookieContainer;
webReq.MaximumAutomaticRedirections = 10000;

using (WebResponse response = webReq.GetResponse())
{
using (Stream stream = response.GetResponseStream())
{
StreamReader reader = new StreamReader(stream);
res = reader.ReadToEnd();
}
}

File.AppendAllText(pilotSecuritiesFilePath, res);
LogMessage("Download Using WebRequest with Proxy with Max Redirections: Completed");
}
catch (Exception ex)
{
LogMessage("Download Using WebRequest with Proxy with Max Redirections: Error " + ex.Message);
}
}

private static void LogMessage(string message)
{

File.AppendAllText(filePath, Environment.NewLine+message);

}

private static void DownloadUsingWebRequestWithProxyWithBaseURL()
{
HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create("http://www.finra.org/");
CookieContainer cookieContainer = new CookieContainer();
string res;
try
{
webReq.Method = "GET";

//webReq.Proxy = wp;
webReq.CookieContainer = cookieContainer;
//webReq.MaximumAutomaticRedirections = 10000;

using (WebResponse response = webReq.GetResponse())
{
using (Stream stream = response.GetResponseStream())
{
StreamReader reader = new StreamReader(stream);
res = reader.ReadToEnd();
}
}

webReq = (HttpWebRequest)WebRequest.Create("http://tsp.finra.org/finra_org/ticksizepilot/TSPrePilotSecurities.txt");
webReq.CookieContainer = cookieContainer;
webReq.Method = "GET";
WebProxy wp = new WebProxy("http://SomeProxy.pac");
webReq.Proxy = wp;
using(WebResponse response2 = webReq.GetResponse())
{
using (Stream stream = response2.GetResponseStream())
{
StreamReader reader = new StreamReader(stream);
res = reader.ReadToEnd();
}
}

File.AppendAllText(pilotSecuritiesFilePath, res);
LogMessage("Download Using WebRequest with Proxy with Base URL: Completed");
}
catch (Exception ex)
{
LogMessage("Download Using WebRequest with Proxy with Base URL : Error " + ex.Message);
}
}


}
}

推荐答案

Hi More information can be found at the below URLs:

使用PAC文件代理

代理无法下载文件在WebClient或HttpWebRequest中提到 [ ^ ]



谢谢，

Siddi。

Using PAC files proxy
Unable to download a file when proxy is mentioned in WebClient or HttpWebRequest[^]

Thanks,
Siddi.

这篇关于无法使用代理下载URL的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！