// Wrapper for Run which takes care of CloudFlare challenges, calls RunCurl
override protected async Task <WebClientByteResult> Run(WebRequest request)
{
WebClientByteResult result = await RunCurl(request);
// check if we've received a CloudFlare challenge
string[] server;
if (result.Status == HttpStatusCode.ServiceUnavailable && result.Headers.TryGetValue("server", out server) && (server[0] == "cloudflare-nginx" || server[0] == "cloudflare"))
{
logger.Info("UnixLibCurlWebClient: Received a new CloudFlare challenge");
// solve the challenge
string pageContent = Encoding.UTF8.GetString(result.Content);
Uri uri = new Uri(request.Url);
string clearanceUri = CloudFlareChallengeSolverSolve(pageContent, uri);
logger.Info(string.Format("UnixLibCurlWebClient: CloudFlare clearanceUri: {0}", clearanceUri));
// wait...
await Task.Delay(5000);
// request clearanceUri to get cf_clearance cookie
var response = await CurlHelper.GetAsync(clearanceUri, serverConfig, request.Cookies, request.Referer);
logger.Info(string.Format("UnixLibCurlWebClient: received CloudFlare clearance cookie: {0}", response.Cookies));
// add new cf_clearance cookies to the original request
request.Cookies = response.Cookies + request.Cookies;
// re-run the original request with updated cf_clearance cookie
result = await RunCurl(request);
// add cf_clearance cookie to the final result so we update the config for the next request
result.Cookies = response.Cookies + " " + result.Cookies;
}
return(result);
}
override protected async Task <WebClientByteResult> Run(WebRequest webRequest)
{
ServicePointManager.SecurityProtocol = (SecurityProtocolType)192 | (SecurityProtocolType)768 | (SecurityProtocolType)3072;
var cookies = new CookieContainer();
if (!string.IsNullOrEmpty(webRequest.Cookies))
{
var uri = new Uri(webRequest.Url);
var cookieUrl = new Uri(uri.Scheme + "://" + uri.Host); // don't include the path, Scheme is needed for mono compatibility
foreach (var c in webRequest.Cookies.Split(';'))
{
try
{
cookies.SetCookies(cookieUrl, c.Trim());
}
catch (CookieException ex)
{
logger.Info("(Non-critical) Problem loading cookie {0}, {1}, {2}", uri, c, ex.Message);
}
}
}
using (ClearanceHandler clearanceHandlr = new ClearanceHandler())
{
clearanceHandlr.ClearanceDelay = 7000; // 2018/03/22: something odd is going on with cloudflare, for a few users higher delays are needed (depending on which server you end up?)
using (HttpClientHandler clientHandlr = new HttpClientHandler
{
CookieContainer = cookies,
AllowAutoRedirect = false, // Do not use this - Bugs ahoy! Lost cookies and more.
UseCookies = true,
Proxy = webProxy,
UseProxy = (webProxy != null),
AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate
})
{
clearanceHandlr.InnerHandler = clientHandlr;
using (var client = new HttpClient(clearanceHandlr))
{
if (webRequest.EmulateBrowser == true)
{
client.DefaultRequestHeaders.Add("User-Agent", BrowserUtil.ChromeUserAgent);
}
else
{
client.DefaultRequestHeaders.Add("User-Agent", "Jackett/" + configService.GetVersion());
}
HttpResponseMessage response = null;
using (var request = new HttpRequestMessage())
{
request.Headers.ExpectContinue = false;
request.RequestUri = new Uri(webRequest.Url);
if (webRequest.Headers != null)
{
foreach (var header in webRequest.Headers)
{
if (header.Key != "Content-Type")
{
request.Headers.TryAddWithoutValidation(header.Key, header.Value);
}
}
}
if (!string.IsNullOrEmpty(webRequest.Referer))
{
request.Headers.Referrer = new Uri(webRequest.Referer);
}
if (!string.IsNullOrEmpty(webRequest.RawBody))
{
var type = webRequest.Headers.Where(h => h.Key == "Content-Type").Cast <KeyValuePair <string, string>?>().FirstOrDefault();
if (type.HasValue)
{
var str = new StringContent(webRequest.RawBody);
str.Headers.Remove("Content-Type");
str.Headers.Add("Content-Type", type.Value.Value);
request.Content = str;
}
else
{
request.Content = new StringContent(webRequest.RawBody);
}
request.Method = HttpMethod.Post;
}
else if (webRequest.Type == RequestType.POST)
{
if (webRequest.PostData != null)
{
request.Content = new FormUrlEncodedContent(webRequest.PostData);
}
request.Method = HttpMethod.Post;
}
else
{
request.Method = HttpMethod.Get;
}
using (response = await client.SendAsync(request))
{
var result = new WebClientByteResult
{
Content = await response.Content.ReadAsByteArrayAsync()
};
foreach (var header in response.Headers)
{
IEnumerable <string> value = header.Value;
result.Headers[header.Key.ToLowerInvariant()] = value.ToArray();
}
// some cloudflare clients are using a refresh header
// Pull it out manually
if (response.StatusCode == HttpStatusCode.ServiceUnavailable && response.Headers.Contains("Refresh"))
{
var refreshHeaders = response.Headers.GetValues("Refresh");
var redirval = "";
var redirtime = 0;
if (refreshHeaders != null)
{
foreach (var value in refreshHeaders)
{
var start = value.IndexOf("=");
var end = value.IndexOf(";");
var len = value.Length;
if (start > -1)
{
redirval = value.Substring(start + 1);
result.RedirectingTo = redirval;
// normally we don't want a serviceunavailable (503) to be a redirect, but that's the nature
// of this cloudflare approach..don't want to alter BaseWebResult.IsRedirect because normally
// it shoudln't include service unavailable..only if we have this redirect header.
response.StatusCode = System.Net.HttpStatusCode.Redirect;
redirtime = Int32.Parse(value.Substring(0, end));
System.Threading.Thread.Sleep(redirtime * 1000);
}
}
}
}
if (response.Headers.Location != null)
{
result.RedirectingTo = response.Headers.Location.ToString();
}
// Mono won't add the baseurl to relative redirects.
// e.g. a "Location: /index.php" header will result in the Uri "file:///index.php"
// See issue #1200
if (result.RedirectingTo != null && result.RedirectingTo.StartsWith("file://"))
{
var newRedirectingTo = result.RedirectingTo.Replace("file://", request.RequestUri.Scheme + "://" + request.RequestUri.Host);
logger.Debug("[MONO relative redirect bug] Rewriting relative redirect URL from " + result.RedirectingTo + " to " + newRedirectingTo);
result.RedirectingTo = newRedirectingTo;
}
result.Status = response.StatusCode;
// Compatiblity issue between the cookie format and httpclient
// Pull it out manually ignoring the expiry date then set it manually
// http://stackoverflow.com/questions/14681144/httpclient-not-storing-cookies-in-cookiecontainer
IEnumerable <string> cookieHeaders;
var responseCookies = new List <Tuple <string, string> >();
if (response.Headers.TryGetValues("set-cookie", out cookieHeaders))
{
foreach (var value in cookieHeaders)
{
var nameSplit = value.IndexOf('=');
if (nameSplit > -1)
{
responseCookies.Add(new Tuple <string, string>(value.Substring(0, nameSplit), value.Substring(0, value.IndexOf(';') == -1 ? value.Length : (value.IndexOf(';'))) + ";"));
}
}
var cookieBuilder = new StringBuilder();
foreach (var cookieGroup in responseCookies.GroupBy(c => c.Item1))
{
cookieBuilder.AppendFormat("{0} ", cookieGroup.Last().Item2);
}
result.Cookies = cookieBuilder.ToString().Trim();
}
ServerUtil.ResureRedirectIsFullyQualified(webRequest, result);
return(result);
}
}
}
}
}
}
override protected async Task <WebClientByteResult> Run(WebRequest webRequest)
{
HttpResponseMessage response = null;
var request = new HttpRequestMessage();
request.Headers.ExpectContinue = false;
request.RequestUri = new Uri(webRequest.Url);
if (webRequest.EmulateBrowser == true)
{
request.Headers.UserAgent.ParseAdd(BrowserUtil.ChromeUserAgent);
}
else
{
request.Headers.UserAgent.ParseAdd("Jackett/" + configService.GetVersion());
}
// clear cookies from cookiecontainer
var oldCookies = cookies.GetCookies(request.RequestUri);
foreach (Cookie oldCookie in oldCookies)
{
oldCookie.Expired = true;
}
if (!string.IsNullOrEmpty(webRequest.Cookies))
{
// add cookies to cookiecontainer
var cookieUrl = new Uri(request.RequestUri.Scheme + "://" + request.RequestUri.Host); // don't include the path, Scheme is needed for mono compatibility
foreach (var ccookiestr in webRequest.Cookies.Split(';'))
{
var cookiestrparts = ccookiestr.Split('=');
var name = cookiestrparts[0].Trim();
if (string.IsNullOrWhiteSpace(name))
{
continue;
}
var value = "";
if (cookiestrparts.Length >= 2)
{
value = cookiestrparts[1].Trim();
}
var cookie = new Cookie(name, value);
cookies.Add(cookieUrl, cookie);
}
}
if (webRequest.Headers != null)
{
foreach (var header in webRequest.Headers)
{
if (header.Key != "Content-Type")
{
request.Headers.TryAddWithoutValidation(header.Key, header.Value);
}
}
}
if (!string.IsNullOrEmpty(webRequest.Referer))
{
request.Headers.Referrer = new Uri(webRequest.Referer);
}
if (!string.IsNullOrEmpty(webRequest.RawBody))
{
var type = webRequest.Headers.Where(h => h.Key == "Content-Type").Cast <KeyValuePair <string, string>?>().FirstOrDefault();
if (type.HasValue)
{
var str = new StringContent(webRequest.RawBody);
str.Headers.Remove("Content-Type");
str.Headers.Add("Content-Type", type.Value.Value);
request.Content = str;
}
else
{
request.Content = new StringContent(webRequest.RawBody);
}
request.Method = HttpMethod.Post;
}
else if (webRequest.Type == RequestType.POST)
{
if (webRequest.PostData != null)
{
request.Content = new FormUrlEncodedContent(webRequest.PostData);
}
request.Method = HttpMethod.Post;
}
else
{
request.Method = HttpMethod.Get;
}
response = await client.SendAsync(request);
var result = new WebClientByteResult();
result.Content = await response.Content.ReadAsByteArrayAsync();
foreach (var header in response.Headers)
{
IEnumerable <string> value = header.Value;
result.Headers[header.Key.ToLowerInvariant()] = value.ToArray();
}
// some cloudflare clients are using a refresh header
// Pull it out manually
if (response.StatusCode == System.Net.HttpStatusCode.ServiceUnavailable && response.Headers.Contains("Refresh"))
{
var refreshHeaders = response.Headers.GetValues("Refresh");
var redirval = "";
var redirtime = 0;
if (refreshHeaders != null)
{
foreach (var value in refreshHeaders)
{
var start = value.IndexOf("=");
var end = value.IndexOf(";");
var len = value.Length;
if (start > -1)
{
redirval = value.Substring(start + 1);
result.RedirectingTo = redirval;
// normally we don't want a serviceunavailable (503) to be a redirect, but that's the nature
// of this cloudflare approach..don't want to alter BaseWebResult.IsRedirect because normally
// it shoudln't include service unavailable..only if we have this redirect header.
response.StatusCode = System.Net.HttpStatusCode.Redirect;
redirtime = Int32.Parse(value.Substring(0, end));
System.Threading.Thread.Sleep(redirtime * 1000);
}
}
}
}
if (response.Headers.Location != null)
{
result.RedirectingTo = response.Headers.Location.ToString();
}
// Mono won't add the baseurl to relative redirects.
// e.g. a "Location: /index.php" header will result in the Uri "file:///index.php"
// See issue #1200
if (result.RedirectingTo != null && result.RedirectingTo.StartsWith("file://"))
{
// URL decoding apparently is needed to, without it e.g. Demonoid download is broken
// TODO: is it always needed (not just for relative redirects)?
var newRedirectingTo = WebUtilityHelpers.UrlDecode(result.RedirectingTo, webRequest.Encoding);
newRedirectingTo = newRedirectingTo.Replace("file://", request.RequestUri.Scheme + "://" + request.RequestUri.Host);
logger.Debug("[MONO relative redirect bug] Rewriting relative redirect URL from " + result.RedirectingTo + " to " + newRedirectingTo);
result.RedirectingTo = newRedirectingTo;
}
result.Status = response.StatusCode;
// Compatiblity issue between the cookie format and httpclient
// Pull it out manually ignoring the expiry date then set it manually
// http://stackoverflow.com/questions/14681144/httpclient-not-storing-cookies-in-cookiecontainer
IEnumerable <string> cookieHeaders;
var responseCookies = new List <Tuple <string, string> >();
if (response.Headers.TryGetValues("set-cookie", out cookieHeaders))
{
foreach (var value in cookieHeaders)
{
logger.Debug(value);
var nameSplit = value.IndexOf('=');
if (nameSplit > -1)
{
responseCookies.Add(new Tuple <string, string>(value.Substring(0, nameSplit), value.Substring(0, value.IndexOf(';') == -1 ? value.Length : (value.IndexOf(';'))) + ";"));
}
}
var cookieBuilder = new StringBuilder();
foreach (var cookieGroup in responseCookies.GroupBy(c => c.Item1))
{
cookieBuilder.AppendFormat("{0} ", cookieGroup.Last().Item2);
}
result.Cookies = cookieBuilder.ToString().Trim();
}
ServerUtil.ResureRedirectIsFullyQualified(webRequest, result);
return(result);
}
protected async Task <WebClientByteResult> RunCurl(WebRequest request)
{
CurlHelper.CurlResponse response;
if (request.Type == RequestType.GET)
{
response = await CurlHelper.GetAsync(request.Url, serverConfig, request.Cookies, request.Referer, request.Headers);
}
else
{
if (!string.IsNullOrEmpty(request.RawBody))
{
logger.Debug("UnixLibCurlWebClient: Posting " + request.RawBody);
}
else if (request.PostData != null && request.PostData.Count() > 0)
{
logger.Debug("UnixLibCurlWebClient: Posting " + StringUtil.PostDataFromDict(request.PostData));
}
response = await CurlHelper.PostAsync(request.Url, serverConfig, request.PostData, request.Cookies, request.Referer, request.Headers, request.RawBody);
}
var result = new WebClientByteResult()
{
Content = response.Content,
Cookies = response.Cookies,
Status = response.Status
};
if (response.HeaderList != null)
{
foreach (var header in response.HeaderList)
{
var key = header[0].ToLowerInvariant();
result.Headers[key] = new string[] { header[1] }; // doesn't support multiple identical headers?
switch (key)
{
case "location":
result.RedirectingTo = header[1];
break;
case "refresh":
if (response.Status == System.Net.HttpStatusCode.ServiceUnavailable)
{
//"Refresh: 8;URL=/cdn-cgi/l/chk_jschl?pass=1451000679.092-1vJFUJLb9R"
var redirval = "";
var value = header[1];
var start = value.IndexOf("=");
var end = value.IndexOf(";");
var len = value.Length;
if (start > -1)
{
redirval = value.Substring(start + 1);
result.RedirectingTo = redirval;
// normally we don't want a serviceunavailable (503) to be a redirect, but that's the nature
// of this cloudflare approach..don't want to alter BaseWebResult.IsRedirect because normally
// it shoudln't include service unavailable..only if we have this redirect header.
result.Status = System.Net.HttpStatusCode.Redirect;
var redirtime = Int32.Parse(value.Substring(0, end));
System.Threading.Thread.Sleep(redirtime * 1000);
}
}
break;
}
}
}
ServerUtil.ResureRedirectIsFullyQualified(request, result);
return(result);
}
override protected async Task <WebClientByteResult> Run(WebRequest request)
{
var args = new StringBuilder();
var proxy = serverConfig.GetProxyUrl(true);
if (proxy != null)
{
args.AppendFormat("-x '" + proxy + "' ");
}
args.AppendFormat("--url \"{0}\" ", request.Url);
if (request.EmulateBrowser == true)
{
args.AppendFormat("-i -sS --user-agent \"{0}\" ", BrowserUtil.ChromeUserAgent);
}
else
{
args.AppendFormat("-i -sS --user-agent \"{0}\" ", "Jackett/" + configService.GetVersion());
}
if (!string.IsNullOrWhiteSpace(request.Cookies))
{
args.AppendFormat("--cookie \"{0}\" ", request.Cookies);
}
if (!string.IsNullOrWhiteSpace(request.Referer))
{
args.AppendFormat("--referer \"{0}\" ", request.Referer);
}
if (!string.IsNullOrEmpty(request.RawBody))
{
var postString = StringUtil.PostDataFromDict(request.PostData);
args.AppendFormat("--data \"{0}\" ", request.RawBody.Replace("\"", "\\\""));
}
else if (request.PostData != null && request.PostData.Count() > 0)
{
var postString = StringUtil.PostDataFromDict(request.PostData);
args.AppendFormat("--data \"{0}\" ", postString);
}
var tempFile = Path.GetTempFileName();
args.AppendFormat("--output \"{0}\" ", tempFile);
if (serverConfig.RuntimeSettings.DoSSLFix == true)
{
// http://stackoverflow.com/questions/31107851/how-to-fix-curl-35-cannot-communicate-securely-with-peer-no-common-encryptio
// https://git.fedorahosted.org/cgit/mod_nss.git/plain/docs/mod_nss.html
args.Append("--cipher " + SSLFix.CipherList);
}
if (serverConfig.RuntimeSettings.IgnoreSslErrors == true)
{
args.Append("-k ");
}
args.Append("-H \"Accept-Language: en-US,en\" ");
args.Append("-H \"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8\" ");
string stdout = null;
await Task.Run(() =>
{
stdout = processService.StartProcessAndGetOutput(System.Environment.OSVersion.Platform == PlatformID.Unix ? "curl" : "curl.exe", args.ToString(), true);
});
var outputData = File.ReadAllBytes(tempFile);
File.Delete(tempFile);
stdout = Encoding.UTF8.GetString(outputData);
var result = new WebClientByteResult();
var headSplit = stdout.IndexOf("\r\n\r\n");
if (headSplit < 0)
{
throw new Exception("Invalid response");
}
var headers = stdout.Substring(0, headSplit);
if (serverConfig.RuntimeSettings.ProxyConnection != null)
{
// the proxy provided headers too so we need to split headers again
var headSplit1 = stdout.IndexOf("\r\n\r\n", headSplit + 4);
if (headSplit1 > 0)
{
headers = stdout.Substring(headSplit + 4, headSplit1 - (headSplit + 4));
headSplit = headSplit1;
}
}
var headerCount = 0;
var cookieBuilder = new StringBuilder();
var cookies = new List <Tuple <string, string> >();
foreach (var header in headers.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries))
{
if (headerCount == 0)
{
var responseCode = int.Parse(header.Split(' ')[1]);
result.Status = (HttpStatusCode)responseCode;
}
else
{
var headerSplitIndex = header.IndexOf(':');
if (headerSplitIndex > 0)
{
var name = header.Substring(0, headerSplitIndex).ToLowerInvariant();
var value = header.Substring(headerSplitIndex + 1);
switch (name)
{
case "set-cookie":
var nameSplit = value.IndexOf('=');
if (nameSplit > -1)
{
cookies.Add(new Tuple <string, string>(value.Substring(0, nameSplit), value.Substring(0, value.IndexOf(';') + 1)));
}
break;
case "location":
result.RedirectingTo = value.Trim();
break;
case "refresh":
//"Refresh: 8;URL=/cdn-cgi/l/chk_jschl?pass=1451000679.092-1vJFUJLb9R"
var redirval = "";
var start = value.IndexOf("=");
var end = value.IndexOf(";");
var len = value.Length;
if (start > -1)
{
redirval = value.Substring(start + 1);
result.RedirectingTo = redirval;
// normally we don't want a serviceunavailable (503) to be a redirect, but that's the nature
// of this cloudflare approach..don't want to alter BaseWebResult.IsRedirect because normally
// it shoudln't include service unavailable..only if we have this redirect header.
result.Status = System.Net.HttpStatusCode.Redirect;
var redirtime = Int32.Parse(value.Substring(0, end));
System.Threading.Thread.Sleep(redirtime * 1000);
}
break;
}
}
}
headerCount++;
}
foreach (var cookieGroup in cookies.GroupBy(c => c.Item1))
{
cookieBuilder.AppendFormat("{0} ", cookieGroup.Last().Item2);
}
result.Cookies = cookieBuilder.ToString().Trim();
result.Content = new byte[outputData.Length - (headSplit + 3)];
var dest = 0;
for (int i = headSplit + 4; i < outputData.Length; i++)
{
result.Content[dest] = outputData[i];
dest++;
}
logger.Debug("WebClientByteResult returned " + result.Status);
ServerUtil.ResureRedirectIsFullyQualified(request, result);
return(result);
}
protected override async Task <WebClientByteResult> Run(WebRequest webRequest)
{
ServicePointManager.SecurityProtocol = (SecurityProtocolType)192 | (SecurityProtocolType)768 | (SecurityProtocolType)3072;
var cookies = new CookieContainer();
if (!string.IsNullOrWhiteSpace(webRequest.Cookies))
{
// don't include the path, Scheme is needed for mono compatibility
var requestUri = new Uri(webRequest.Url);
var cookieUrl = new Uri(requestUri.Scheme + "://" + requestUri.Host);
var cookieDictionary = CookieUtil.CookieHeaderToDictionary(webRequest.Cookies);
foreach (var kv in cookieDictionary)
{
cookies.Add(cookieUrl, new Cookie(kv.Key, kv.Value));
}
}
var userAgent = webRequest.EmulateBrowser.Value ? BrowserUtil.ChromeUserAgent : "Jackett/" + configService.GetVersion();
using (var clearanceHandlr = new ClearanceHandler(userAgent))
{
clearanceHandlr.MaxTries = 10;
using (var clientHandlr = new HttpClientHandler
{
CookieContainer = cookies,
AllowAutoRedirect = false, // Do not use this - Bugs ahoy! Lost cookies and more.
UseCookies = true,
Proxy = webProxy,
UseProxy = (webProxy != null),
AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate
})
{
// custom certificate validation handler (netcore version)
clientHandlr.ServerCertificateCustomValidationCallback = ValidateCertificate;
clearanceHandlr.InnerHandler = clientHandlr;
using (var client = new HttpClient(clearanceHandlr))
{
//if (webRequest.EmulateBrowser == true)
// client.DefaultRequestHeaders.Add("User-Agent", BrowserUtil.ChromeUserAgent);
//else
// client.DefaultRequestHeaders.Add("User-Agent", "Jackett/" + configService.GetVersion());
HttpResponseMessage response = null;
using (var request = new HttpRequestMessage())
{
request.Headers.ExpectContinue = false;
request.RequestUri = new Uri(webRequest.Url);
if (webRequest.Headers != null)
{
foreach (var header in webRequest.Headers)
{
if (header.Key != "Content-Type")
{
request.Headers.TryAddWithoutValidation(header.Key, header.Value);
}
}
}
if (!string.IsNullOrEmpty(webRequest.Referer))
{
request.Headers.Referrer = new Uri(webRequest.Referer);
}
if (!string.IsNullOrEmpty(webRequest.RawBody))
{
var type = webRequest.Headers.Where(h => h.Key == "Content-Type").Cast <KeyValuePair <string, string>?>().FirstOrDefault();
if (type.HasValue)
{
var str = new StringContent(webRequest.RawBody);
str.Headers.Remove("Content-Type");
str.Headers.Add("Content-Type", type.Value.Value);
request.Content = str;
}
else
{
request.Content = new StringContent(webRequest.RawBody);
}
request.Method = HttpMethod.Post;
}
else if (webRequest.Type == RequestType.POST)
{
if (webRequest.PostData != null)
{
request.Content = FormUrlEncodedContentWithEncoding(webRequest.PostData, webRequest.Encoding);
}
request.Method = HttpMethod.Post;
}
else
{
request.Method = HttpMethod.Get;
}
using (response = await client.SendAsync(request))
{
var result = new WebClientByteResult
{
Content = await response.Content.ReadAsByteArrayAsync()
};
foreach (var header in response.Headers)
{
var value = header.Value;
result.Headers[header.Key.ToLowerInvariant()] = value.ToArray();
}
// some cloudflare clients are using a refresh header
// Pull it out manually
if (response.StatusCode == HttpStatusCode.ServiceUnavailable && response.Headers.Contains("Refresh"))
{
var refreshHeaders = response.Headers.GetValues("Refresh");
var redirval = "";
var redirtime = 0;
if (refreshHeaders != null)
{
foreach (var value in refreshHeaders)
{
var start = value.IndexOf("=");
var end = value.IndexOf(";");
var len = value.Length;
if (start > -1)
{
redirval = value.Substring(start + 1);
result.RedirectingTo = redirval;
// normally we don't want a serviceunavailable (503) to be a redirect, but that's the nature
// of this cloudflare approach..don't want to alter BaseWebResult.IsRedirect because normally
// it shoudln't include service unavailable..only if we have this redirect header.
response.StatusCode = System.Net.HttpStatusCode.Redirect;
redirtime = int.Parse(value.Substring(0, end));
System.Threading.Thread.Sleep(redirtime * 1000);
}
}
}
}
if (response.Headers.Location != null)
{
result.RedirectingTo = response.Headers.Location.ToString();
}
// Mono won't add the baseurl to relative redirects.
// e.g. a "Location: /index.php" header will result in the Uri "file:///index.php"
// See issue #1200
if (result.RedirectingTo != null && result.RedirectingTo.StartsWith("file://"))
{
// URL decoding apparently is needed to, without it e.g. Demonoid download is broken
// TODO: is it always needed (not just for relative redirects)?
var newRedirectingTo = WebUtilityHelpers.UrlDecode(result.RedirectingTo, webRequest.Encoding);
if (newRedirectingTo.StartsWith("file:////")) // Location without protocol but with host (only add scheme)
{
newRedirectingTo = newRedirectingTo.Replace("file://", request.RequestUri.Scheme + ":");
}
else
{
newRedirectingTo = newRedirectingTo.Replace("file://", request.RequestUri.Scheme + "://" + request.RequestUri.Host);
}
logger.Debug("[MONO relative redirect bug] Rewriting relative redirect URL from " + result.RedirectingTo + " to " + newRedirectingTo);
result.RedirectingTo = newRedirectingTo;
}
result.Status = response.StatusCode;
// Compatiblity issue between the cookie format and httpclient
// Pull it out manually ignoring the expiry date then set it manually
// http://stackoverflow.com/questions/14681144/httpclient-not-storing-cookies-in-cookiecontainer
var responseCookies = new List <Tuple <string, string> >();
if (response.Headers.TryGetValues("set-cookie", out var cookieHeaders))
{
foreach (var value in cookieHeaders)
{
var nameSplit = value.IndexOf('=');
if (nameSplit > -1)
{
responseCookies.Add(new Tuple <string, string>(value.Substring(0, nameSplit), value.Substring(0, value.IndexOf(';') == -1 ? value.Length : (value.IndexOf(';'))) + ";"));
}
}
var cookieBuilder = new StringBuilder();
foreach (var cookieGroup in responseCookies.GroupBy(c => c.Item1))
{
cookieBuilder.AppendFormat("{0} ", cookieGroup.Last().Item2);
}
result.Cookies = cookieBuilder.ToString().Trim();
}
ServerUtil.ResureRedirectIsFullyQualified(webRequest, result);
return(result);
}
}
}
}
}
}