/// <summary>
/// Returns a WebProxy instance configured to match the proxy settings
/// in the client configuration.
/// </summary>
public WebProxy GetWebProxy()
{
const string httpPrefix = "http://";
WebProxy proxy = null;
if (!string.IsNullOrEmpty(ProxyHost) && ProxyPort > 0)
{
// WebProxy constructor adds the http:// prefix, but doesn't
// account for cases where it's already present which leads to
// malformed addresses
var host = ProxyHost.StartsWith(httpPrefix, StringComparison.OrdinalIgnoreCase)
? ProxyHost.Substring(httpPrefix.Length)
: ProxyHost;
proxy = new WebProxy(host, ProxyPort);
if (ProxyCredentials != null)
{
proxy.Credentials = ProxyCredentials;
}
if (ProxyBypassList != null)
{
proxy.BypassList = ProxyBypassList.ToArray();
}
proxy.BypassProxyOnLocal = ProxyBypassOnLocal;
}
return(proxy);
}
public WebProxy GetWebProxy()
{
WebProxy webProxy = null;
if (!string.IsNullOrEmpty(ProxyHost) && ProxyPort > 0)
{
webProxy = new WebProxy(ProxyHost.StartsWith("http://", StringComparison.OrdinalIgnoreCase) ? ProxyHost.Substring("http://".Length) : ProxyHost, ProxyPort);
if (ProxyCredentials != null)
{
webProxy.Credentials = ProxyCredentials;
}
if (ProxyBypassList != null)
{
webProxy.BypassList = ProxyBypassList.ToArray();
}
webProxy.BypassProxyOnLocal = ProxyBypassOnLocal;
}
return(webProxy);
}
private void LoadProxySetting()
{
string proxyConfigFile = HostContext.GetConfigFile(WellKnownConfigFile.Proxy);
if (File.Exists(proxyConfigFile))
{
// we expect the first line of the file is the proxy url
Trace.Verbose($"Try read proxy setting from file: {proxyConfigFile}.");
ProxyAddress = File.ReadLines(proxyConfigFile).FirstOrDefault() ?? string.Empty;
ProxyAddress = ProxyAddress.Trim();
Trace.Verbose($"{ProxyAddress}");
}
if (string.IsNullOrEmpty(ProxyAddress))
{
Trace.Verbose("Try read proxy setting from environment variable: 'VSTS_HTTP_PROXY'.");
ProxyAddress = Environment.GetEnvironmentVariable("VSTS_HTTP_PROXY") ?? string.Empty;
ProxyAddress = ProxyAddress.Trim();
Trace.Verbose($"{ProxyAddress}");
}
if (!string.IsNullOrEmpty(ProxyAddress) && !Uri.IsWellFormedUriString(ProxyAddress, UriKind.Absolute))
{
Trace.Info($"The proxy url is not a well formed absolute uri string: {ProxyAddress}.");
ProxyAddress = string.Empty;
}
if (!string.IsNullOrEmpty(ProxyAddress))
{
Trace.Info($"Config proxy at: {ProxyAddress}.");
string proxyCredFile = HostContext.GetConfigFile(WellKnownConfigFile.ProxyCredentials);
if (File.Exists(proxyCredFile))
{
string lookupKey = File.ReadAllLines(proxyCredFile).FirstOrDefault();
if (!string.IsNullOrEmpty(lookupKey))
{
var credStore = HostContext.GetService <IAgentCredentialStore>();
var proxyCred = credStore.Read($"VSTS_AGENT_PROXY_{lookupKey}");
ProxyUsername = proxyCred.UserName;
ProxyPassword = proxyCred.Password;
}
}
if (string.IsNullOrEmpty(ProxyUsername))
{
ProxyUsername = Environment.GetEnvironmentVariable("VSTS_HTTP_PROXY_USERNAME");
}
if (string.IsNullOrEmpty(ProxyPassword))
{
ProxyPassword = Environment.GetEnvironmentVariable("VSTS_HTTP_PROXY_PASSWORD");
}
if (!string.IsNullOrEmpty(ProxyPassword))
{
HostContext.SecretMasker.AddValue(ProxyPassword);
}
if (string.IsNullOrEmpty(ProxyUsername) || string.IsNullOrEmpty(ProxyPassword))
{
Trace.Info($"Config proxy use DefaultNetworkCredentials.");
}
else
{
Trace.Info($"Config authentication proxy as: {ProxyUsername}.");
}
string proxyBypassFile = HostContext.GetConfigFile(WellKnownConfigFile.ProxyBypass);
if (File.Exists(proxyBypassFile))
{
Trace.Verbose($"Try read proxy bypass list from file: {proxyBypassFile}.");
foreach (string bypass in File.ReadAllLines(proxyBypassFile))
{
if (string.IsNullOrWhiteSpace(bypass))
{
continue;
}
else
{
Trace.Info($"Bypass proxy for: {bypass}.");
ProxyBypassList.Add(bypass.Trim());
}
}
}
WebProxy = new AgentWebProxy(ProxyAddress, ProxyUsername, ProxyPassword, ProxyBypassList);
}
else
{
Trace.Info($"No proxy setting found.");
}
}
private void LoadProxySetting()
{
string proxyConfigFile = IOUtil.GetProxyConfigFilePath();
if (File.Exists(proxyConfigFile))
{
// we expect the first line of the file is the proxy url
Trace.Verbose($"Try read proxy setting from file: {proxyConfigFile}.");
ProxyAddress = File.ReadLines(proxyConfigFile).FirstOrDefault() ?? string.Empty;
ProxyAddress = ProxyAddress.Trim();
Trace.Verbose($"{ProxyAddress}");
}
if (string.IsNullOrEmpty(ProxyAddress))
{
Trace.Verbose("Try read proxy setting from environment variable: 'VSTS_HTTP_PROXY'.");
ProxyAddress = Environment.GetEnvironmentVariable("VSTS_HTTP_PROXY") ?? string.Empty;
ProxyAddress = ProxyAddress.Trim();
Trace.Verbose($"{ProxyAddress}");
}
if (!string.IsNullOrEmpty(ProxyAddress) && !Uri.IsWellFormedUriString(ProxyAddress, UriKind.Absolute))
{
Trace.Info($"The proxy url is not a well formed absolute uri string: {ProxyAddress}.");
ProxyAddress = string.Empty;
}
if (!string.IsNullOrEmpty(ProxyAddress))
{
Trace.Info($"Config proxy at: {ProxyAddress}.");
ProxyUsername = Environment.GetEnvironmentVariable("VSTS_HTTP_PROXY_USERNAME");
ProxyPassword = Environment.GetEnvironmentVariable("VSTS_HTTP_PROXY_PASSWORD");
if (!string.IsNullOrEmpty(ProxyPassword))
{
var secretMasker = HostContext.GetService <ISecretMasker>();
secretMasker.AddValue(ProxyPassword);
}
if (string.IsNullOrEmpty(ProxyUsername) || string.IsNullOrEmpty(ProxyPassword))
{
Trace.Info($"Config proxy use DefaultNetworkCredentials.");
Credentials = CredentialCache.DefaultNetworkCredentials;
}
else
{
Trace.Info($"Config authentication proxy as: {ProxyUsername}.");
Credentials = new NetworkCredential(ProxyUsername, ProxyPassword);
}
string proxyBypassFile = IOUtil.GetProxyBypassFilePath();
if (File.Exists(proxyBypassFile))
{
Trace.Verbose($"Try read proxy bypass list from file: {proxyBypassFile}.");
foreach (string bypass in File.ReadAllLines(proxyBypassFile))
{
if (string.IsNullOrWhiteSpace(bypass))
{
continue;
}
else
{
Trace.Info($"Bypass proxy for: {bypass}.");
try
{
Regex bypassRegex = new Regex(bypass.Trim(), RegexOptions.IgnoreCase | RegexOptions.CultureInvariant | RegexOptions.ECMAScript);
_regExBypassList.Add(bypassRegex);
ProxyBypassList.Add(bypass.Trim());
}
catch (Exception ex)
{
Trace.Error($"{bypass} is not a valid Regex, won't bypass proxy for {bypass}.");
Trace.Error(ex);
}
}
}
}
}
else
{
Trace.Info($"No proxy setting found.");
}
}
