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New: (FlareSolverr) DDOS Guard Support

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(based on Flaresolverr b62c203f96222602964a291b845e4d16c1a0d43a)
This commit is contained in:
bakerboy448
2022-03-29 19:19:22 -05:00
committed by Qstick
parent 37914fb90e
commit e85ccd5808
2 changed files with 41 additions and 6 deletions
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24
src/NzbDrone.Common/Http/HttpHeader.cs
View File

@@ -128,6 +128,30 @@ namespace NzbDrone.Common.Http
}
}
public string ContentEncoding
{
get
{
return GetSingleValue("Content-Encoding");
}
set
{
SetSingleValue("Content-Encoding", value);
}
}
public string Vary
{
get
{
return GetSingleValue("Vary");
}
set
{
SetSingleValue("Vary", value);
}
}
public string UserAgent
{
get

23
src/NzbDrone.Core/IndexerProxies/FlareSolverr/FlareSolverr.cs
View File

@@ -18,7 +18,7 @@ namespace NzbDrone.Core.IndexerProxies.FlareSolverr
{
public class FlareSolverr : HttpIndexerProxyBase<FlareSolverrSettings>
{
private static readonly HashSet<string> CloudflareServerNames = new HashSet<string> { "cloudflare", "cloudflare-nginx" };
private static readonly HashSet<string> CloudflareServerNames = new HashSet<string> { "cloudflare", "cloudflare-nginx", "ddos-guard" };
private readonly ICached<string> _cache;
public FlareSolverr(IProwlarrCloudRequestBuilder cloudRequestBuilder, IHttpClient httpClient, Logger logger, ILocalizationService localizationService, ICacheManager cacheManager)
@@ -70,7 +70,7 @@ namespace NzbDrone.Core.IndexerProxies.FlareSolverr
InjectCookies(newRequest, result);
//Request again with User-Agent and Cookies from Flaresolvrr
//Request again with User-Agent and Cookies from Flaresolverr
var finalResponse = _httpClient.Execute(newRequest);
return finalResponse;
@@ -78,13 +78,24 @@ namespace NzbDrone.Core.IndexerProxies.FlareSolverr
private static bool IsCloudflareProtected(HttpResponse response)
{
// check status code
if (!response.Headers.Any(i => i.Key != null && i.Key.ToLower() == "server" && CloudflareServerNames.Contains(i.Value.ToLower())))
{
return false;
}
// detect CloudFlare and DDoS-GUARD
if (response.StatusCode.Equals(HttpStatusCode.ServiceUnavailable) ||
response.StatusCode.Equals(HttpStatusCode.Forbidden))
{
// check response headers
return response.Headers.Any(i =>
i.Key != null && i.Key.ToLower() == "server" && CloudflareServerNames.Contains(i.Value.ToLower()));
return true; // Defected CloudFlare and DDoS-GUARD
}
// detect Custom CloudFlare for EbookParadijs, Film-Paleis, MuziekFabriek and Puur-Hollands
if (response.Headers.Vary.ToString() == "Accept-Encoding,User-Agent" &&
response.Headers.ContentEncoding.ToString() == "" &&
response.Content.ToLower().Contains("ddos"))
{
return true;
}
return false;