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core: handle error in proxy dns. resolves #8826 resolves #4785 (#9661)

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This commit is contained in:
Diego Heras
2020-09-26 22:52:22 +02:00
committed by GitHub
parent 41afd9f61b
commit d0dff67251
1 changed files with 12 additions and 2 deletions
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14
src/Jackett.Common/Utils/Clients/WebClient.cs
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@@ -31,7 +31,7 @@ namespace Jackett.Common.Utils.Clients
protected static string webProxyUrl;
protected static IWebProxy webProxy;
public static void InitProxy(ServerConfig serverConfig)
public void InitProxy(ServerConfig serverConfig)
{
// dispose old SocksWebProxy
if (webProxy is SocksWebProxy proxy)
@@ -58,7 +58,17 @@ namespace Jackett.Common.Utils.Clients
}
else if (serverConfig.ProxyType == ProxyType.Socks4 || serverConfig.ProxyType == ProxyType.Socks5)
{
var addresses = Dns.GetHostAddressesAsync(serverConfig.ProxyUrl).Result;
// in case of error in DNS resolution, we use a fake proxy to avoid leaking the user IP (disabling proxy)
// https://github.com/Jackett/Jackett/issues/8826
var addresses = new [] { new IPAddress(2130706433) }; // 127.0.0.1
try
{
addresses = Dns.GetHostAddressesAsync(serverConfig.ProxyUrl).Result;
}
catch (Exception e)
{
logger.Error($"Unable to resolve proxy URL: {serverConfig.ProxyUrl}. The proxy will not work properly.\n{e}");
}
var socksConfig = new ProxyConfig
{
SocksAddress = addresses.FirstOrDefault(),