/// <summary>
/// Main program function
/// </summary>
private void UpdateAwb()
{
try
{
Proxy = WebRequest.GetSystemWebProxy();
if (Proxy.IsBypassed(new Uri("http://en.wikipedia.org")))
{
Proxy = null;
}
UpdateUI("Getting current AWB and Updater versions", true);
AWBVersion();
if ((!UpdaterUpdate && !AWBUpdate) && string.IsNullOrEmpty(AWBWebAddress))
{
ExitEarly();
}
else
{
UpdateUI("Creating a temporary directory", true);
CreateTempDir();
UpdateUI("Downloading AWB", true);
GetAwbFromInternet();
UpdateUI("Unzipping AWB to the temporary directory", true);
UnzipAwb();
UpdateUI("Making sure AWB is closed", true);
CloseAwb();
UpdateUI("Copying AWB files from temp to AWB directory...", true);
CopyFiles();
UpdateUI("Update successful", true);
UpdateUI("Cleaning up from update", true);
KillTempDir();
UpdateSucessful = true;
ReadyToExit();
}
}
catch (AbortException)
{
ReadyToExit();
}
catch (Exception ex)
{
ErrorHandler.Handle(ex);
}
}
public static bool IsEmpty(this IWebProxy proxy, Uri destination)
{
if (proxy is null)
{
return(true);
}
// Under .NET Framework, "GetProxy" returns the passed URI if it is not proxied.
// Under .NET Core+, "GetProxy" returns null if the URI is not proxied.
return(proxy.IsBypassed(destination) ||
(proxy.GetProxy(destination)?.Equals(destination) ?? true));
}
/// <summary>
/// This function will connect a stream to a uri (host and port),
/// negotiating proxies and SSL
/// </summary>
/// <param name="uri"></param>
/// <param name="timeout_ms">Timeout, in ms. 0 for no timeout.</param>
/// <returns></returns>
public static Stream ConnectStream(Uri uri, IWebProxy proxy, bool nodelay, int timeout_ms)
{
IMockWebProxy mockProxy = proxy != null ? proxy as IMockWebProxy : null;
if (mockProxy != null)
{
return(mockProxy.GetStream(uri));
}
Stream stream;
bool useProxy = proxy != null && !proxy.IsBypassed(uri);
if (useProxy)
{
Uri proxyURI = proxy.GetProxy(uri);
stream = ConnectSocket(proxyURI, nodelay, timeout_ms);
}
else
{
stream = ConnectSocket(uri, nodelay, timeout_ms);
}
try
{
if (useProxy)
{
string line = String.Format("CONNECT {0}:{1} HTTP/1.0", uri.Host, uri.Port);
WriteLine(line, stream);
WriteLine(stream);
ReadHttpHeaders(ref stream, proxy, nodelay, timeout_ms);
}
if (UseSSL(uri))
{
SslStream sslStream = new SslStream(stream, false,
new RemoteCertificateValidationCallback(ValidateServerCertificate), null);
sslStream.AuthenticateAsClient("", null, SslProtocols.Tls | SslProtocols.Tls11 | SslProtocols.Tls12, true);
stream = sslStream;
}
return(stream);
}
catch
{
stream.Close();
throw;
}
}
/// <summary>Finds an existing <see cref="T:System.Net.ServicePoint" /> object or creates a new <see cref="T:System.Net.ServicePoint" /> object to manage communications with the specified <see cref="T:System.Uri" /> object.</summary>
/// <returns>The <see cref="T:System.Net.ServicePoint" /> object that manages communications for the request.</returns>
/// <param name="address">A <see cref="T:System.Uri" /> object that contains the address of the Internet resource to contact. </param>
/// <param name="proxy">The proxy data for this request. </param>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="address" /> is null. </exception>
/// <exception cref="T:System.InvalidOperationException">The maximum number of <see cref="T:System.Net.ServicePoint" /> objects defined in <see cref="P:System.Net.ServicePointManager.MaxServicePoints" /> has been reached. </exception>
/// <PermissionSet>
/// <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
/// <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="ControlEvidence" />
/// </PermissionSet>
public static ServicePoint FindServicePoint(System.Uri address, IWebProxy proxy)
{
if (address == null)
{
throw new ArgumentNullException("address");
}
ServicePointManager.RecycleServicePoints();
bool usesProxy = false;
bool flag = false;
if (proxy != null && !proxy.IsBypassed(address))
{
usesProxy = true;
bool flag2 = address.Scheme == "https";
address = proxy.GetProxy(address);
if (address.Scheme != "http" && !flag2)
{
throw new NotSupportedException("Proxy scheme not supported.");
}
if (flag2 && address.Scheme == "http")
{
flag = true;
}
}
address = new System.Uri(address.Scheme + "://" + address.Authority);
ServicePoint servicePoint = null;
System.Collections.Specialized.HybridDictionary obj = ServicePointManager.servicePoints;
lock (obj)
{
ServicePointManager.SPKey key = new ServicePointManager.SPKey(address, flag);
servicePoint = (ServicePointManager.servicePoints[key] as ServicePoint);
if (servicePoint != null)
{
return(servicePoint);
}
if (ServicePointManager.maxServicePoints > 0 && ServicePointManager.servicePoints.Count >= ServicePointManager.maxServicePoints)
{
throw new InvalidOperationException("maximum number of service points reached");
}
string text = address.ToString();
int connectionLimit = ServicePointManager.defaultConnectionLimit;
servicePoint = new ServicePoint(address, connectionLimit, ServicePointManager.maxServicePointIdleTime);
servicePoint.Expect100Continue = ServicePointManager.expectContinue;
servicePoint.UseNagleAlgorithm = ServicePointManager.useNagle;
servicePoint.UsesProxy = usesProxy;
servicePoint.UseConnect = flag;
ServicePointManager.servicePoints.Add(key, servicePoint);
}
return(servicePoint);
}
private Uri GetProxyUri()
{
//
// going through a proxy ?
//
Uri u = null;
if (m_Proxy != null && !m_Proxy.IsBypassed(m_RequestUri))
{
u = m_Proxy.GetProxy(m_RequestUri);
}
return(u);
}
/// <summary>
/// Main program function
/// </summary>
private void UpdateAwb()
{
try
{
proxy = WebRequest.GetSystemWebProxy();
if (proxy.IsBypassed(new Uri("http://en.wikipedia.org")))
{
proxy = null;
}
updateUI("Getting Current AWB and Updater Versions");
AWBversion();
if ((!updaterUpdate && !awbUpdate) && string.IsNullOrEmpty(AWBWebAddress))
{
ExitEarly();
}
else
{
updateUI("Creating a temporary directory");
CreateTempDir();
updateUI("Downloading AWB");
GetAwbFromInternet();
updateUI("Unzipping AWB to the temporary directory");
UnzipAwb();
updateUI("Making sure AWB is closed");
CloseAwb();
updateUI("Copying AWB files from temp to AWB directory");
CopyFiles();
MessageBox.Show("AWB Update Successful", "Update Successful");
updateUI("Starting AWB");
StartAwb();
updateUI("Cleaning up from Update");
KillTempDir();
Application.Exit();
}
}
catch (Exception ex)
{
ErrorHandler.Handle(ex);
}
}
private static Socket CreateTunnelThruProxy(string destIP, int destPort)
{
string destUriWithPort = $"{destIP}:{destPort}";
UriBuilder uriBuilder = new UriBuilder(destUriWithPort);
Uri destUri = uriBuilder.Uri;
IWebProxy webProxy = WebRequest.GetSystemWebProxy();
try
{
if (webProxy.IsBypassed(destUri))
{
return(null);
}
}
catch (PlatformNotSupportedException)
{
// .NET Core doesn't support IWebProxy.IsBypassed
// (because .NET Core doesn't have access to Windows-specific services, of course)
return(null);
}
Uri proxyUri = webProxy.GetProxy(destUri);
IPAddress[] proxyEntry = Dns.GetHostAddresses(proxyUri.Host);
int iPort = proxyUri.Port;
IPAddress address = proxyEntry.First(a => a.AddressFamily == AddressFamily.InterNetwork);
IPEndPoint proxyEndPoint = new IPEndPoint(address, iPort);
Socket socketThruProxy = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socketThruProxy.Connect(proxyEndPoint);
string proxyMsg = $"CONNECT {destIP}:{destPort} HTTP/1.1 \n\n";
byte[] buffer = Encoding.ASCII.GetBytes(proxyMsg);
byte[] buffer12 = new byte[500];
socketThruProxy.Send(buffer, buffer.Length, 0);
int msg = socketThruProxy.Receive(buffer12, 500, 0);
string data;
data = Encoding.ASCII.GetString(buffer12);
int index = data.IndexOf("200");
if (index < 0)
{
throw new ApplicationException(
$"Connection failed to {destUriWithPort} through proxy server {proxyUri.ToString()}.");
}
return(socketThruProxy);
}
/// <summary>
/// Refreshs the system proxy.
/// </summary>
public static void RefreshProxy()
{
// no Internet Explorer available on Linux, so GetSystemWebProxy doesn't work, so disable to avoid 60-second timeouts when offline (unit tests etc.)
if (Globals.UsingLinux)
{
return;
}
SystemProxy = WebRequest.GetSystemWebProxy();
if (SystemProxy.IsBypassed(new Uri(URL)))
{
SystemProxy = null;
}
}
/// <summary>
/// Main program function
/// </summary>
private void UpdateAwb()
{
try
{
proxy = WebRequest.GetSystemWebProxy();
if (proxy.IsBypassed(new Uri("http://en.wikipedia.org")))
proxy = null;
UpdateUI("Getting current AWB and Updater versions", true);
AWBversion();
if ((!updaterUpdate && !awbUpdate) && string.IsNullOrEmpty(AWBWebAddress))
ExitEarly();
else
{
UpdateUI("Creating a temporary directory", true);
CreateTempDir();
UpdateUI("Downloading AWB", true);
GetAwbFromInternet();
UpdateUI("Unzipping AWB to the temporary directory", true);
UnzipAwb();
UpdateUI("Making sure AWB is closed", true);
CloseAwb();
UpdateUI("Copying AWB files from temp to AWB directory...", true);
CopyFiles();
UpdateUI("Update successful", true);
UpdateUI("Cleaning up from update", true);
KillTempDir();
updateSucessful = true;
ReadyToExit();
}
}
catch (AbortException)
{
ReadyToExit();
}
catch (Exception ex)
{
ErrorHandler.Handle(ex);
}
}
/// <summary>
/// Return true or false if connecting through a proxy server
/// </summary>
/// <param name="uri"></param>
/// <returns></returns>
static bool IsSystemProxySet(Uri uri)
{
CheckProxyConfigSettings();
CheckMacProxy(uri);
Console.WriteLine("# Mono's WebRequest");
Console.WriteLine("WebRequest.GetSystemWebProxy().GetType: {0}", originalSystemProxy.GetType().FullName);
var systemProxy = GetSystemProxy(uri);
Console.WriteLine("WebRequest.GetSystemWebProxy().GetProxy() returned proxy Uri: '{0}'", systemProxy.Address);
// The reason for not calling the GetSystemProxy is because the object
// that will be returned is no longer going to be the proxy that is set by the settings
// on the users machine only the Address is going to be the same.
// Not sure why the .NET team did not want to expose all of the useful settings like
// ByPass list and other settings that we can't get because of it.
// Anyway the reason why we need the DefaultWebProxy is to see if the uri that we are
// getting the proxy for to should be bypassed or not. If it should be bypassed then
// return that we don't need a proxy and we should try to connect directly.
IWebProxy proxy = WebRequest.DefaultWebProxy;
if (proxy != null)
{
Console.WriteLine("WebRequest.DefaultWebProxy.GetType: {0}", proxy.GetType().FullName);
Uri proxyAddress = new Uri(proxy.GetProxy(uri).AbsoluteUri);
if (string.Equals(proxyAddress.AbsoluteUri, uri.AbsoluteUri))
{
Console.WriteLine("ProxyAddress matches request uri. Ignoring proxy uri: '{0}'", proxyAddress);
return(false);
}
if (proxy.IsBypassed(uri))
{
Console.WriteLine("Proxy IsByPassed for '{0}'", uri);
return(false);
}
}
else
{
Console.WriteLine("WebRequest.DefaultWebProxy is null. Trying WebRequest.GetSystemWebProxy");
proxy = GetSystemProxy(uri);
if (proxy == null)
{
Console.WriteLine("WebRequest.GetSystemWebProxy returned null");
}
}
return(proxy != null);
}
public static void CheckProxySettings(String url)
{
try
{
bool customProxyUsed = NetworkSettings.CustomProxy != null;
IWebProxy proxy = customProxyUsed ? NetworkSettings.CustomProxy : WebRequest.DefaultWebProxy;
Uri uri = new Uri(url);
var proxyUri = proxy.GetProxy(uri).Host;
bool isByPassed = proxy.IsBypassed(uri);
Log.Debug($"{(customProxyUsed ? "Custom" : "Default")} Proxy setting for URL: {url}; proxy host: {proxyUri}; isByPassed: {isByPassed}");
}
catch (Exception e)
{
Log.Debug($"Failed to check proxy settings : {e.Message}");
}
}
public CurlCmdArgumentsBuilder WithProxy(IWebProxy proxy, Uri requestUri = null)
{
// Argument should be of the following form:
// -x, --proxy <[protocol://][user:password@]proxyhost[:port]>
if (requestUri is null)
{
requestUri = uri;
}
if (!(proxy is null) && !proxy.IsBypassed(requestUri))
{
AddArgument("--proxy", proxy.ToProxyString(requestUri));
}
return(this);
}
/// <summary>
/// Main program function
/// </summary>
private void UpdateAwb()
{
try
{
proxy = WebRequest.GetSystemWebProxy();
if (proxy.IsBypassed(new Uri("http://en.wikipedia.org")))
proxy = null;
updateUI("Getting Current AWB and Updater Versions");
AWBversion();
if ((!updaterUpdate && !awbUpdate) && string.IsNullOrEmpty(AWBWebAddress))
ExitEarly();
else
{
updateUI("Creating a temporary directory");
CreateTempDir();
updateUI("Downloading AWB");
GetAwbFromInternet();
updateUI("Unzipping AWB to the temporary directory");
UnzipAwb();
updateUI("Making sure AWB is closed");
CloseAwb();
updateUI("Copying AWB files from temp to AWB directory");
CopyFiles();
MessageBox.Show("AWB Update Successful", "Update Successful");
updateUI("Starting AWB");
StartAwb();
updateUI("Cleaning up from Update");
KillTempDir();
Application.Exit();
}
}
catch (Exception ex)
{
ErrorHandler.Handle(ex);
}
}
/// <summary>
/// Provides the MQTT client options to create an authenticated MQTT
/// over WebSocket connection to an AWS IoT Device Gateway endpoint.
/// </summary>
/// <param name="client">The authenticated AWS IoT Device Gateway client.</param>
/// <param name="iotEndpointAddress">The AWS account-specific AWS IoT endpoint address.</param>
/// <param name="cancelToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation.</param>
public static async Task <IMqttClientOptions> CreateMqttWebSocketClientOptionsAsync(this AmazonIoTDeviceGatewayClient client, string iotEndpointAddress, CancellationToken cancelToken = default)
{
if (client is null)
{
throw new ArgumentNullException(nameof(client));
}
var uriDetails = await client.CreateMqttWebSocketUriAsync(new Model.CreateMqttWebSocketUriRequest
{
EndpointAddress = iotEndpointAddress
}, cancelToken).ConfigureAwait(continueOnCapturedContext: false);
var optionsBuilder = new MqttClientOptionsBuilder();
optionsBuilder = optionsBuilder.WithTls();
optionsBuilder = optionsBuilder.WithWebSocketServer(uriDetails.RequestUri?.ToString());
IWebProxy iProxy = client.Config.GetWebProxy();
if (!(iProxy is null))
{
Uri proxyUri;
if (iProxy is Amazon.Runtime.Internal.Util.WebProxy awssdkProxy)
{
proxyUri = awssdkProxy.ProxyUri;
}
else
{
proxyUri = new Uri("http://" + client.Config.ProxyHost + ":" + client.Config.ProxyPort);
}
var iCreds = iProxy.Credentials ?? client.Config.ProxyCredentials;
var netCreds = iCreds?.GetCredential(proxyUri, default);
optionsBuilder = optionsBuilder.WithProxy(proxyUri.ToString(),
username: netCreds?.UserName, password: netCreds?.Password, domain: netCreds?.Domain,
bypassOnLocal: iProxy.IsBypassed(localhostUri)
);
}
var options = optionsBuilder.Build();
if (options.ChannelOptions is MqttClientWebSocketOptions webSocketOptions)
{
webSocketOptions.RequestHeaders = uriDetails.Headers;
}
return(options);
}
internal static ServicePoint FindServicePoint(Uri address, IWebProxy proxy, out ProxyChain chain, ref HttpAbortDelegate abortDelegate, ref int abortState)
{
if (address == null)
{
throw new ArgumentNullException("address");
}
bool isProxyServicePoint = false;
chain = null;
Uri current = null;
if ((proxy != null) && !address.IsLoopback)
{
IAutoWebProxy proxy2 = proxy as IAutoWebProxy;
if (proxy2 != null)
{
chain = proxy2.GetProxies(address);
abortDelegate = chain.HttpAbortDelegate;
try
{
Thread.MemoryBarrier();
if (abortState != 0)
{
Exception exception = new WebException(NetRes.GetWebStatusString(WebExceptionStatus.RequestCanceled), WebExceptionStatus.RequestCanceled);
throw exception;
}
chain.Enumerator.MoveNext();
current = chain.Enumerator.Current;
}
finally
{
abortDelegate = null;
}
}
else if (!proxy.IsBypassed(address))
{
current = proxy.GetProxy(address);
}
if (current != null)
{
address = current;
isProxyServicePoint = true;
}
}
return(FindServicePointHelper(address, isProxyServicePoint));
}
public static int SetProxySettings(string szFileName)
{
StringBuilder szTmp = new StringBuilder(256);
GetPrivateProfileString("base", "URL", myBaseURL, szTmp, szTmp.Capacity, myIniFile);
string szURLBase = szTmp.ToString();
string szURL = szURLBase + szFileName;
UriBuilder myUri = new UriBuilder(szURL);
IWebProxy myProxy = WebRequest.GetSystemWebProxy();
Uri myProxyURI = myProxy.GetProxy(myUri.Uri);
string myHost = myProxyURI.Host;
int myPort = myProxyURI.Port;
string szProxy = myProxyURI.ToString();
bool isBypassed = myProxy.IsBypassed(myUri.Uri);
return(0);
}
void DoPreAuthenticate()
{
webHeaders.RemoveInternal("Proxy-Authorization");
webHeaders.RemoveInternal("Authorization");
bool isProxy = (proxy != null && !proxy.IsBypassed(actualUri));
ICredentials creds = (!isProxy || credentials != null) ? credentials : proxy.Credentials;
Authorization auth = AuthenticationManager.PreAuthenticate(this, creds);
if (auth == null)
{
return;
}
string authHeader = (isProxy && credentials == null) ? "Proxy-Authorization" : "Authorization";
webHeaders [authHeader] = auth.Message;
usedPreAuth = true;
}
public static bool UpdateProxySettings(IWebProxy systemProxy, string remoteAddress, string keyEnable, string keyHost, string keyPort)
{
Uri uri = new Uri(remoteAddress);
if (systemProxy.IsBypassed(uri))
{
SEBSettings.proxiesData[keyEnable] = (object)false;
Logger.AddInformation(string.Format("Disabled proxy for {0}", (object)uri.Scheme), (object)null, (Exception)null, (string)null);
return(false);
}
Uri proxy = systemProxy.GetProxy(uri);
Logger.AddInformation(string.Format("Enabled proxy for {0}: {1}:{2}", (object)uri.Scheme, (object)proxy.Host, (object)proxy.Port), (object)null, (Exception)null, (string)null);
SEBSettings.proxiesData[keyEnable] = (object)true;
SEBSettings.proxiesData[keyHost] = (object)proxy.Host;
SEBSettings.proxiesData[keyPort] = (object)proxy.Port;
return(true);
}
public static Stream ConnectStream(Uri uri, IWebProxy proxy, bool nodelay, int timeout_ms)
{
Stream stream;
Stream stream3;
IMockWebProxy proxy2 = (proxy != null) ? (proxy as IMockWebProxy) : null;
if (proxy2 != null)
{
return(proxy2.GetStream(uri));
}
bool flag = (proxy != null) && !proxy.IsBypassed(uri);
if (flag)
{
stream = ConnectSocket(proxy.GetProxy(uri), nodelay, timeout_ms);
}
else
{
stream = ConnectSocket(uri, nodelay, timeout_ms);
}
try
{
if (flag)
{
WriteLine(string.Format("CONNECT {0}:{1} HTTP/1.0", uri.Host, uri.Port), stream);
WriteLine(stream);
ReadHttpHeaders(ref stream, proxy, nodelay, timeout_ms);
}
if (UseSSL(uri))
{
SslStream stream2 = new SslStream(stream, false, new RemoteCertificateValidationCallback(HTTP.ValidateServerCertificate), null);
stream2.AuthenticateAsClient("");
stream = stream2;
}
stream3 = stream;
}
catch
{
stream.Close();
throw;
}
return(stream3);
}
/// <summary>
/// Method responsible for checking the proxy and proxy authentication type and setting the
/// appropriate credentials. If the NTLM authentication is used then
/// if the username and password are not provided then we use null values. For
/// all other authentication schemes we need a username and password.
/// </summary>
/// <param name="backgroundCopyJob">BackgroundJob on which we need to set the credentials.</param>
/// <param name="task">DownloadTask. Provides the infos about download credentials</param>
private static void VerifyAndSetBackgroundCopyJobProxy(IBackgroundCopyJob backgroundCopyJob, DownloadTask task)
{
// Specify the proxy URL
// see also http://msdn.microsoft.com/library/en-us/bits/bits/ibackgroundcopyjob_setproxysettings.asp
try
{
IWebProxy proxy = task.DownloadItem.Proxy;
var sourceUri = new Uri(task.DownloadItem.File.Source);
Uri proxyUri = proxy.GetProxy(sourceUri);
//trim trailing '/' because it causes BITS to throw an exception
string proxyUriStr = proxyUri.ToString().TrimEnd('/');
if (!proxy.IsBypassed(proxyUri))
{
backgroundCopyJob.SetProxySettings(BG_JOB_PROXY_USAGE.BG_JOB_PROXY_USAGE_OVERRIDE, proxyUriStr, null);
}
//specify proxy credentials
if (proxy.Credentials != null)
{
ICredentials creds = proxy.Credentials;
var copyJob = (IBackgroundCopyJob2)backgroundCopyJob;
var credentials = new BG_AUTH_CREDENTIALS();
credentials.Credentials.Basic.UserName =
string.IsNullOrEmpty(creds.GetCredential(sourceUri, "NTLM").Domain)
?
creds.GetCredential(sourceUri, "NTLM").UserName
:
creds.GetCredential(sourceUri, "NTLM").Domain + "\\" +
creds.GetCredential(sourceUri, "NTLM").UserName;
credentials.Credentials.Basic.Password = creds.GetCredential(sourceUri, "NTLM").Password;
credentials.Scheme = BG_AUTH_SCHEME.BG_AUTH_SCHEME_NTLM;
credentials.Target = BG_AUTH_TARGET.BG_AUTH_TARGET_PROXY;
copyJob.SetCredentials(ref credentials);
}
}
catch (Exception e)
{
Logger.Error("Error in VerifyAndSetBackgroundCopyJobProxy():", e);
}
}
/// <summary>
/// Returns an ICredentials instance that the consumer would need in order
/// to properly authenticate to the given Uri.
/// </summary>
public ICredentials GetCredentials(Uri uri, IWebProxy proxy, CredentialType credentialType, bool retrying)
{
if (uri == null)
{
throw new ArgumentNullException("uri");
}
// Capture the original proxy before we do anything
// so that we can re-set it once we get the credentials for the given Uri.
IWebProxy originalProxy = null;
if (proxy != null)
{
// If the current Uri should be bypassed then don't try to get the specific
// proxy but simply capture the one that is given to us
if (proxy.IsBypassed(uri))
{
originalProxy = proxy;
}
// If the current Uri is not bypassed then get a valid proxy for the Uri
// and make sure that we have the credentials also.
else
{
originalProxy = new WebProxy(proxy.GetProxy(uri));
originalProxy.Credentials = proxy.Credentials == null
? null : proxy.Credentials.GetCredential(uri, null);
}
}
try
{
// The cached credentials that we found are not valid so let's ask the user
// until they abort or give us valid credentials.
InitializeCredentialProxy(uri, originalProxy);
return(PromptForCredentials(uri));
}
finally
{
// Reset the original WebRequest.DefaultWebProxy to what it was when we started credential discovery.
WebRequest.DefaultWebProxy = originalProxy;
}
}
public static NetProxy GetDefaultProxy()
{
IWebProxy proxy = WebRequest.DefaultWebProxy;
Uri testUri = new Uri("https://www.google.com/");
if (proxy.IsBypassed(testUri))
{
return(null); //no proxy configured
}
Uri proxyAddress = proxy.GetProxy(testUri);
if (proxyAddress.Equals(testUri))
{
return(null); //no proxy configured
}
return(new NetProxy(new WebProxyEx(proxyAddress)
{
Credentials = proxy.Credentials
}));
}
/// <summary>
/// Create a IWebProxy Object which can be used to access the Internet
/// This method will check the configuration if the proxy is allowed to be used.
/// Usages can be found in the DownloadFavIcon or Jira and Confluence plugins
/// </summary>
/// <param name="uri"></param>
/// <returns>IWebProxy filled with all the proxy details or null if none is set/wanted</returns>
public static IWebProxy CreateProxy(Uri uri)
{
if (!Config.UseProxy)
{
return(null);
}
IWebProxy proxyToUse = WebRequest.DefaultWebProxy;
if (proxyToUse != null)
{
proxyToUse.Credentials = CredentialCache.DefaultCredentials;
if (!Log.IsDebugEnabled())
{
return(proxyToUse);
}
// check the proxy for the Uri
if (!proxyToUse.IsBypassed(uri))
{
var proxyUri = proxyToUse.GetProxy(uri);
if (proxyUri != null)
{
Log.Debug().WriteLine("Using proxy: " + proxyUri + " for " + uri);
}
else
{
Log.Debug().WriteLine("No proxy found!");
}
}
else
{
Log.Debug().WriteLine("Proxy bypass for: " + uri);
}
}
else
{
Log.Debug().WriteLine("No proxy found!");
}
return(proxyToUse);
}
/// <summary>
/// Returns an ICredentials instance that the consumer would need in order
/// to properly authenticate to the given Uri.
/// </summary>
public ICredentials GetCredentials(Uri uri, IWebProxy proxy, CredentialType credentialType, bool retrying)
{
if (uri == null)
{
throw new ArgumentNullException("uri");
}
// Capture the original proxy before we do anything
// so that we can re-set it once we get the credentials for the given Uri.
IWebProxy originalProxy = null;
if (proxy != null)
{
// If the current Uri should be bypassed then don't try to get the specific
// proxy but simply capture the one that is given to us
if (proxy.IsBypassed(uri))
{
originalProxy = proxy;
}
// If the current Uri is not bypassed then get a valid proxy for the Uri
// and make sure that we have the credentials also.
else
{
originalProxy = new WebProxy(proxy.GetProxy(uri));
originalProxy.Credentials = proxy.Credentials == null
? null : proxy.Credentials.GetCredential(uri, null);
}
}
try
{
// The cached credentials that we found are not valid so let's ask the user
// until they abort or give us valid credentials.
InitializeCredentialProxy(uri, originalProxy);
return PromptForCredentials(uri);
}
finally
{
// Reset the original WebRequest.DefaultWebProxy to what it was when we started credential discovery.
WebRequest.DefaultWebProxy = originalProxy;
}
}
WebClient CreateWebClient(Uri uri)
{
WebClient newWebClient = new WebClient();
newWebClient.DownloadFileCompleted += DownloadFileCompleted;
newWebClient.DownloadStringCompleted += DownloadStringCompleted;
newWebClient.DownloadDataCompleted += DownloadDataCompleted;
newWebClient.DownloadProgressChanged += DownloadProgressChanged;
WebProxy finalProxySettings = null;
if (_proxyAddress != null)
{
finalProxySettings = new WebProxy(_proxyAddress, false);
}
else
{
var proxyUriForUri = _systemProxy.GetProxy(uri);
if (!_systemProxy.IsBypassed(uri))
{
finalProxySettings = new WebProxy(proxyUriForUri, false);
}
}
if (finalProxySettings != null)
{
Console.Write("Using proxy at " + finalProxySettings.Address.ToString());
if (_proxyUsername != null)
{
finalProxySettings.Credentials = new NetworkCredential(_proxyUsername, _proxyPassword);
Console.WriteLine(" using provided credentials.");
}
else
{
finalProxySettings.UseDefaultCredentials = true;
Console.WriteLine(" using default credentials.");
}
newWebClient.Proxy = finalProxySettings;
}
return(newWebClient);
}
protected internal override Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
Uri proxyUri = null;
try
{
if (!_proxy.IsBypassed(request.RequestUri))
{
proxyUri = _proxy.GetProxy(request.RequestUri);
}
}
catch (Exception)
{
// Eat any exception from the IWebProxy and just treat it as no proxy.
// TODO #21452: This seems a bit questionable, but it's what the tests expect
}
return(proxyUri == null?
_innerHandler.SendAsync(request, cancellationToken) :
SendWithProxyAsync(proxyUri, request, cancellationToken));
}
protected internal override Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
Uri proxyUri = null;
try
{
if (!_proxy.IsBypassed(request.RequestUri))
{
proxyUri = _proxy.GetProxy(request.RequestUri);
}
}
catch (Exception)
{
// Eat any exception from the IWebProxy and just treat it as no proxy.
// This matches the behavior of other handlers.
}
return(proxyUri == null?
_innerHandler.SendAsync(request, cancellationToken) :
SendWithProxyAsync(proxyUri, request, cancellationToken));
}
public static NetProxy CreateSystemHttpProxy()
{
IWebProxy proxy = WebRequest.DefaultWebProxy;
if (proxy == null)
{
return(null); //no proxy configured
}
Uri testUri = new Uri("https://www.google.com/");
if (proxy.IsBypassed(testUri))
{
return(null); //no proxy configured
}
Uri proxyAddress = proxy.GetProxy(testUri);
if (proxyAddress.Equals(testUri))
{
return(null); //no proxy configured
}
return(new HttpProxy(EndPointExtension.GetEndPoint(proxyAddress.Host, proxyAddress.Port), proxy.Credentials.GetCredential(proxyAddress, "BASIC")));
}
/// <summary>
/// Create a IWebProxy Object which can be used to access the Internet
/// This method will check the configuration if the proxy is allowed to be used.
/// Usages can be found in the DownloadFavIcon or Jira and Confluence plugins
/// </summary>
/// <param name="url"></param>
/// <returns>IWebProxy filled with all the proxy details or null if none is set/wanted</returns>
public static IWebProxy CreateProxy(Uri uri)
{
IWebProxy proxyToUse = null;
if (config.UseProxy)
{
proxyToUse = WebRequest.DefaultWebProxy;
if (proxyToUse != null)
{
proxyToUse.Credentials = CredentialCache.DefaultCredentials;
if (LOG.IsDebugEnabled)
{
// check the proxy for the Uri
if (!proxyToUse.IsBypassed(uri))
{
Uri proxyUri = proxyToUse.GetProxy(uri);
if (proxyUri != null)
{
LOG.Debug("Using proxy: " + proxyUri.ToString() + " for " + uri.ToString());
}
else
{
LOG.Debug("No proxy found!");
}
}
else
{
LOG.Debug("Proxy bypass for: " + uri.ToString());
}
}
}
else
{
LOG.Debug("No proxy found!");
}
}
return(proxyToUse);
}
private static bool IsSystemProxySet(Uri uri)
{
IWebProxy defaultWebProxy = WebRequest.DefaultWebProxy;
if (defaultWebProxy != null)
{
Uri proxy = defaultWebProxy.GetProxy(uri);
if (proxy != null)
{
Uri address = new Uri(proxy.AbsoluteUri);
if (string.Equals(address.AbsoluteUri, uri.AbsoluteUri))
{
return(false);
}
if (defaultWebProxy.IsBypassed(uri))
{
return(false);
}
defaultWebProxy = new WebProxy(address);
}
}
return(defaultWebProxy != null);
}
static ProxyInfo GetProxy(Uri requestUri)
{
IWebProxy systemProxy = WebRequest.GetSystemWebProxy();
Uri proxyUri = systemProxy.GetProxy(requestUri);
var proxyAddress = new Uri(proxyUri.AbsoluteUri);
if (string.Equals(proxyAddress.AbsoluteUri, requestUri.AbsoluteUri))
{
return(null);
}
if (systemProxy.IsBypassed(requestUri))
{
return(null);
}
var proxyType = GetProxyType(requestUri);
return(new ProxyInfo {
Port = proxyAddress.Port,
ProxyType = GetProxyType(requestUri),
HostName = proxyAddress.Host
});
}
public override ch.cyberduck.core.proxy.Proxy find(Host host)
{
if (!PreferencesFactory.get().getBoolean("connection.proxy.enable"))
{
return(ch.cyberduck.core.proxy.Proxy.DIRECT);
}
Uri target;
try
{
target = new Uri(new ProxyHostUrlProvider().get(host));
}
catch (UriFormatException)
{
return(ch.cyberduck.core.proxy.Proxy.DIRECT);
}
if (_system.IsBypassed(target))
{
return(ch.cyberduck.core.proxy.Proxy.DIRECT);
}
Uri proxy = _system.GetProxy(target);
return(new ch.cyberduck.core.proxy.Proxy(ch.cyberduck.core.proxy.Proxy.Type.valueOf(proxy.Scheme.ToUpper()), proxy.Host, proxy.Port, proxy.UserInfo));
}
/// <summary>
/// Gets the the Default Or System proxy in use. Will return null if no Default/System proxy is in use.
/// </summary>
/// <returns>System.Net.IWebProxy.</returns>
public static IWebProxy GetWebProxy()
{
IWebProxy webProxy = null;
// See if end user has forced to use a System.Net.WebRequest.GetSystemWebProxy()
if (AceQLConnection.GetDefaultWebProxy() != null)
{
webProxy = AceQLConnection.GetDefaultWebProxy();
}
else
{
webProxy = System.Net.WebRequest.DefaultWebProxy;
}
// Test the secret URL, if it is bypassed, there is no Default/System proxy set, so we will return null:
if (webProxy.IsBypassed(new Uri(HttpClientHandlerBuilderNew.SECRET_URL)))
{
return(null);
}
else
{
return(webProxy);
}
}
public static void RefreshProxy()
{
SystemProxy = WebRequest.GetSystemWebProxy();
if (SystemProxy.IsBypassed(new Uri(URL)))
{
SystemProxy = null;
}
}
public static ServicePoint FindServicePoint (Uri address, IWebProxy proxy)
{
if (address == null)
throw new ArgumentNullException ("address");
RecycleServicePoints ();
bool usesProxy = false;
bool useConnect = false;
if (proxy != null && !proxy.IsBypassed(address)) {
usesProxy = true;
bool isSecure = address.Scheme == "https";
address = proxy.GetProxy (address);
if (address.Scheme != "http" && !isSecure)
throw new NotSupportedException ("Proxy scheme not supported.");
if (isSecure && address.Scheme == "http")
useConnect = true;
}
address = new Uri (address.Scheme + "://" + address.Authority);
ServicePoint sp = null;
lock (servicePoints) {
SPKey key = new SPKey (address, useConnect);
sp = servicePoints [key] as ServicePoint;
if (sp != null)
return sp;
if (maxServicePoints > 0 && servicePoints.Count >= maxServicePoints)
throw new InvalidOperationException ("maximum number of service points reached");
string addr = address.ToString ();
#if NET_2_1
int limit = defaultConnectionLimit;
#else
int limit = (int) manager.GetMaxConnections (addr);
#endif
sp = new ServicePoint (address, limit, maxServicePointIdleTime);
sp.Expect100Continue = expectContinue;
sp.UseNagleAlgorithm = useNagle;
sp.UsesProxy = usesProxy;
sp.UseConnect = useConnect;
sp.SetTcpKeepAlive (tcp_keepalive, tcp_keepalive_time, tcp_keepalive_interval);
servicePoints.Add (key, sp);
}
return sp;
}
/// <summary>
/// This function will connect a stream to a uri (host and port),
/// negotiating proxies and SSL
/// </summary>
/// <param name="uri"></param>
/// <param name="timeout_ms">Timeout, in ms. 0 for no timeout.</param>
/// <returns></returns>
public static Stream ConnectStream(Uri uri, IWebProxy proxy, bool nodelay, int timeout_ms)
{
IMockWebProxy mockProxy = proxy != null ? proxy as IMockWebProxy : null;
if (mockProxy != null)
return mockProxy.GetStream(uri);
Stream stream;
bool useProxy = proxy != null && !proxy.IsBypassed(uri);
if (useProxy)
{
Uri proxyURI = proxy.GetProxy(uri);
stream = ConnectSocket(proxyURI, nodelay, timeout_ms);
}
else
{
stream = ConnectSocket(uri, nodelay, timeout_ms);
}
try
{
if (useProxy)
{
string line = String.Format("CONNECT {0}:{1} HTTP/1.0", uri.Host, uri.Port);
WriteLine(line, stream);
WriteLine(stream);
ReadHttpHeaders(ref stream, proxy, nodelay, timeout_ms);
}
if (UseSSL(uri))
{
SslStream sslStream = new SslStream(stream, false,
new RemoteCertificateValidationCallback(ValidateServerCertificate), null);
sslStream.AuthenticateAsClient("");
stream = sslStream;
}
return stream;
}
catch
{
stream.Close();
throw;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ApiEdit" /> class.
/// </summary>
/// <param name="url">Path to scripts on server</param>
/// <param name="usePHP5">Whether a .php5 extension is to be used</param>
public ApiEdit(string url, bool usePHP5)
: this()
{
if (string.IsNullOrEmpty(url)) throw new ArgumentException("Invalid URL specified", "url");
//if (!url.StartsWith("http://")) throw new NotSupportedException("Only editing via HTTP is currently supported");
URL = url;
PHP5 = usePHP5;
ApiURL = URL + "api.php" + (PHP5 ? "5" : "");
Maxlag = 5;
IWebProxy proxy;
if (ProxyCache.TryGetValue(url, out proxy))
{
ProxySettings = proxy;
}
// GetSystemWebProxy doesn't work under Linux (no IE settings to find) and can cause 60-second timeout, so skip proxy lookup under Linux
else if(!Globals.UsingLinux)
{
ProxySettings = WebRequest.GetSystemWebProxy();
if (ProxySettings.IsBypassed(new Uri(url)))
{
ProxySettings = null;
}
ProxyCache.Add(url, ProxySettings);
}
}
/// <summary>
/// Refreshs the system proxy.
/// </summary>
public static void RefreshProxy()
{
// no Internet Explorer available on Linux, so GetSystemWebProxy doesn't work, so disable to avoid 60-second timeouts when offline (unit tests etc.)
if(Globals.UsingLinux)
return;
SystemProxy = WebRequest.GetSystemWebProxy();
if (SystemProxy.IsBypassed(new Uri(URL)))
{
SystemProxy = null;
}
}
// If abortState becomes non-zero, the attempt to find a service point has been aborted.
internal static ServicePoint FindServicePoint(Uri address, IWebProxy proxy, out ProxyChain chain, ref HttpAbortDelegate abortDelegate, ref int abortState)
{
if (address==null) {
throw new ArgumentNullException("address");
}
GlobalLog.Enter("ServicePointManager::FindServicePoint() address:" + address.ToString());
bool isProxyServicePoint = false;
chain = null;
//
// find proxy info, and then switch on proxy
//
Uri proxyAddress = null;
if (proxy!=null && !address.IsLoopback) {
IAutoWebProxy autoProxy = proxy as IAutoWebProxy;
if (autoProxy != null)
{
chain = autoProxy.GetProxies(address);
// Set up our ability to abort this MoveNext call. Note that the current implementations of ProxyChain will only
// take time on the first call, so this is the only place we do this. If a new ProxyChain takes time in later
// calls, this logic should be copied to other places MoveNext is called.
GlobalLog.Assert(abortDelegate == null, "ServicePointManager::FindServicePoint()|AbortDelegate already set.");
abortDelegate = chain.HttpAbortDelegate;
try
{
Thread.MemoryBarrier();
if (abortState != 0)
{
Exception exception = new WebException(NetRes.GetWebStatusString(WebExceptionStatus.RequestCanceled), WebExceptionStatus.RequestCanceled);
GlobalLog.LeaveException("ServicePointManager::FindServicePoint() Request aborted before proxy lookup.", exception);
throw exception;
}
if (!chain.Enumerator.MoveNext())
{
GlobalLog.Assert("ServicePointManager::FindServicePoint()|GetProxies() returned zero proxies.");
/*
Exception exception = new WebException(NetRes.GetWebStatusString(WebExceptionStatus.RequestProhibitedByProxy), WebExceptionStatus.RequestProhibitedByProxy);
GlobalLog.LeaveException("ServicePointManager::FindServicePoint() Proxy prevented request.", exception);
throw exception;
*/
}
proxyAddress = chain.Enumerator.Current;
}
finally
{
abortDelegate = null;
}
}
else if (!proxy.IsBypassed(address))
{
// use proxy support
// rework address
proxyAddress = proxy.GetProxy(address);
}
// null means DIRECT
if (proxyAddress!=null) {
address = proxyAddress;
isProxyServicePoint = true;
}
}
ServicePoint servicePoint = FindServicePointHelper(address, isProxyServicePoint);
GlobalLog.Leave("ServicePointManager::FindServicePoint() servicePoint#" + ValidationHelper.HashString(servicePoint));
return servicePoint;
}
internal static ServicePoint FindServicePoint(Uri address, IWebProxy proxy, out ProxyChain chain, ref HttpAbortDelegate abortDelegate, ref int abortState)
{
if (address == null)
{
throw new ArgumentNullException("address");
}
bool isProxyServicePoint = false;
chain = null;
Uri current = null;
if ((proxy != null) && !address.IsLoopback)
{
IAutoWebProxy proxy2 = proxy as IAutoWebProxy;
if (proxy2 != null)
{
chain = proxy2.GetProxies(address);
abortDelegate = chain.HttpAbortDelegate;
try
{
Thread.MemoryBarrier();
if (abortState != 0)
{
Exception exception = new WebException(NetRes.GetWebStatusString(WebExceptionStatus.RequestCanceled), WebExceptionStatus.RequestCanceled);
throw exception;
}
chain.Enumerator.MoveNext();
current = chain.Enumerator.Current;
}
finally
{
abortDelegate = null;
}
}
else if (!proxy.IsBypassed(address))
{
current = proxy.GetProxy(address);
}
if (current != null)
{
address = current;
isProxyServicePoint = true;
}
}
return FindServicePointHelper(address, isProxyServicePoint);
}
/// <summary>
/// Creates a new instance of the ApiEdit class
/// </summary>
/// <param name="url">Path to scripts on server</param>
/// <param name="usePHP5">Whether a .php5 extension is to be used</param>
public ApiEdit(string url, bool usePHP5)
: this()
{
if (string.IsNullOrEmpty(url)) throw new ArgumentException("Invalid URL specified", "url");
if (!url.StartsWith("http://")) throw new NotSupportedException("Only editing via HTTP is currently supported");
URL = url;
PHP5 = usePHP5;
ApiURL = URL + "api.php" + (PHP5 ? "5" : "");
Maxlag = 5;
IWebProxy proxy;
if (ProxyCache.TryGetValue(url, out proxy))
{
ProxySettings = proxy;
}
else
{
ProxySettings = WebRequest.GetSystemWebProxy();
if (ProxySettings.IsBypassed(new Uri(url)))
{
ProxySettings = null;
}
ProxyCache.Add(url, ProxySettings);
}
}
//
// FindServicePoint - Query using an Uri for a given server point
//
/// <include file='doc\ServicePointManager.uex' path='docs/doc[@for="ServicePointManager.FindServicePoint2"]/*' />
/// <devdoc>
/// <para>Findes an existing <see cref='System.Net.ServicePoint'/> or creates a new <see cref='System.Net.ServicePoint'/> to manage communications to the specified <see cref='System.Uri'/>
/// instance.</para>
/// </devdoc>
public static ServicePoint FindServicePoint(Uri address, IWebProxy proxy) {
if (address==null) {
throw new ArgumentNullException("address");
}
GlobalLog.Enter("ServicePointManager::FindServicePoint() address:" + address.ToString());
string tempEntry;
bool isProxyServicePoint = false;
ScavengeIdleServicePoints();
//
// find proxy info, and then switch on proxy
//
if (proxy!=null && !proxy.IsBypassed(address)) {
// use proxy support
// rework address
Uri proxyAddress = proxy.GetProxy(address);
if (proxyAddress.Scheme != Uri.UriSchemeHttps && proxyAddress.Scheme != Uri.UriSchemeHttp) {
Exception exception = new NotSupportedException(SR.GetString(SR.net_proxyschemenotsupported, proxyAddress.Scheme));
GlobalLog.LeaveException("ServicePointManager::FindServicePoint() proxy has unsupported scheme:" + proxyAddress.Scheme.ToString(), exception);
throw exception;
}
address = proxyAddress;
isProxyServicePoint = true;
//
// Search for the correct proxy host,
// then match its acutal host by using ConnectionGroups
// which are located on the actual ServicePoint.
//
tempEntry = MakeQueryString(proxyAddress);
}
else {
//
// Typical Host lookup
//
tempEntry = MakeQueryString(address);
}
//
// lookup service point in the table
//
ServicePoint servicePoint = null;
lock (s_ServicePointTable) {
//
// once we grab the lock, check if it wasn't already added
//
WeakReference servicePointReference = (WeakReference) s_ServicePointTable[tempEntry];
if ( servicePointReference != null ) {
servicePoint = (ServicePoint)servicePointReference.Target;
}
if (servicePoint == null) {
//
// lookup failure or timeout, we need to create a new ServicePoint
//
if (s_MaxServicePoints<=0 || s_ServicePointTable.Count<s_MaxServicePoints) {
//
// Determine Connection Limit
//
int connectionLimit = InternalConnectionLimit;
string schemeHostPort = MakeQueryString(address);
if (ConfigTable.ContainsKey(schemeHostPort) ) {
connectionLimit = (int) ConfigTable[schemeHostPort];
}
// Note: we don't check permissions to access proxy.
// Rather, we should protect proxy property from being changed
servicePoint = new ServicePoint(address, s_MaxServicePointIdleTime, connectionLimit);
servicePointReference = new WeakReference(servicePoint);
// only set this when created, donates a proxy, statt Server
servicePoint.InternalProxyServicePoint = isProxyServicePoint;
s_ServicePointTable[tempEntry] = servicePointReference;
}
else {
Exception exception = new InvalidOperationException(SR.GetString(SR.net_maxsrvpoints));
GlobalLog.LeaveException("ServicePointManager::FindServicePoint() reached the limit count:" + s_ServicePointTable.Count.ToString() + " limit:" + s_MaxServicePoints.ToString(), exception);
throw exception;
}
}
} // lock
GlobalLog.Leave("ServicePointManager::FindServicePoint() servicePoint#" + ValidationHelper.HashString(servicePoint));
return servicePoint;
}
public static ServicePoint FindServicePoint(Uri address, IWebProxy proxy)
{
if (address == null)
{
throw new ArgumentNullException("address");
}
var usesProxy = false;
if (proxy != null && !proxy.IsBypassed(address))
{
usesProxy = true;
var isSecure = address.Scheme == Uri.UriSchemeHttps;
address = proxy.GetProxy(address);
if (address.Scheme != Uri.UriSchemeHttp && !isSecure)
{
throw new NotSupportedException("Proxy scheme not supported.");
}
}
var key = MakeQueryString(address, usesProxy);
return _servicePoints.GetOrAdd(key, new Lazy<ServicePoint>(() =>
{
if (_maxServicePoints > 0 && _servicePoints.Count >= _maxServicePoints)
{
throw new InvalidOperationException("maximum number of service points reached");
}
return new ServicePoint(address, _defaultConnectionLimit, key, usesProxy);
}, false)).Value;
}
