public void AffinitizeRequest_AffinitiDisabled_DoNothing()
{
var dataProtector = GetDataProtector();
var provider = new ProviderStub(dataProtector.Object, AffinityTestHelper.GetLogger <BaseSessionAffinityProvider <string> >().Object);
Assert.Throws <InvalidOperationException>(() => provider.AffinitizeRequest(new DefaultHttpContext(), new SessionAffinityOptions(), new DestinationInfo("id")));
}
public void AffinitizeRequest_AffinityOptionSettingNotFound_Throw()
{
var provider = new ProviderStub(GetDataProtector().Object, AffinityTestHelper.GetLogger <BaseSessionAffinityProvider <string> >().Object);
var options = GetOptionsWithUnknownSetting();
Assert.Throws <ArgumentException>(() => provider.AffinitizeRequest(new DefaultHttpContext(), options, new DestinationInfo("dest-A")));
}
public void AffinitizeRequest_RequestIsAffinitized_DoNothing()
{
var dataProtector = GetDataProtector();
var provider = new ProviderStub(dataProtector.Object, AffinityTestHelper.GetLogger <BaseSessionAffinityProvider <string> >().Object);
var context = new DefaultHttpContext();
provider.DirectlySetExtractedKeyOnContext(context, "ExtractedKey");
provider.AffinitizeRequest(context, _defaultOptions, new DestinationInfo("id"));
Assert.Null(provider.LastSetEncryptedKey);
dataProtector.Verify(p => p.Protect(It.IsAny <byte[]>()), Times.Never);
}
public void AffinitizeRequest_RequestIsNotAffinitized_SetAffinityKey()
{
var dataProtector = GetDataProtector();
var provider = new ProviderStub(dataProtector.Object, AffinityTestHelper.GetLogger <BaseSessionAffinityProvider <string> >().Object);
var destination = new DestinationInfo("dest-A");
provider.AffinitizeRequest(new DefaultHttpContext(), _defaultOptions, destination);
Assert.Equal("ZGVzdC1B", provider.LastSetEncryptedKey);
var keyBytes = Encoding.UTF8.GetBytes(destination.DestinationId);
dataProtector.Verify(p => p.Protect(It.Is <byte[]>(b => b.SequenceEqual(keyBytes))), Times.Once);
}
public void FindAffinitizedDestination_AffinityDisabledOnCluster_ReturnsAffinityDisabled()
{
var provider = new ProviderStub(GetDataProtector().Object, AffinityTestHelper.GetLogger <BaseSessionAffinityProvider <string> >().Object);
var options = new SessionAffinityOptions
{
Enabled = false,
Mode = _defaultOptions.Mode,
FailurePolicy = _defaultOptions.FailurePolicy,
Settings = _defaultOptions.Settings,
};
Assert.Throws <InvalidOperationException>(() => provider.FindAffinitizedDestinations(new DefaultHttpContext(), new[] { new DestinationInfo("1") }, "cluster-1", options));
}
public void AffinitizedRequest_AffinityKeyIsNotExtracted_SetKeyOnResponse()
{
var provider = new CookieSessionAffinityProvider(
Options.Create(_defaultProviderOptions),
AffinityTestHelper.GetDataProtector().Object,
AffinityTestHelper.GetLogger <CookieSessionAffinityProvider>().Object);
var context = new DefaultHttpContext();
provider.AffinitizeRequest(context, _defaultOptions, _destinations[1]);
var affinityCookieHeader = context.Response.Headers["Set-Cookie"];
Assert.Equal(".Yarp.ReverseProxy.Affinity=ZGVzdC1C; path=/; httponly", affinityCookieHeader);
}
public void FindAffinitizedDestination_AffinityKeyIsSetOnRequest_Success()
{
var provider = new CookieSessionAffinityProvider(
Options.Create(_defaultProviderOptions),
AffinityTestHelper.GetDataProtector().Object,
AffinityTestHelper.GetLogger <CookieSessionAffinityProvider>().Object);
var context = new DefaultHttpContext();
var affinitizedDestination = _destinations[1];
context.Request.Headers["Cookie"] = GetCookieWithAffinity(affinitizedDestination);
var affinityResult = provider.FindAffinitizedDestinations(context, _destinations, "cluster-1", _defaultOptions);
Assert.Equal(AffinityStatus.OK, affinityResult.Status);
Assert.Equal(1, affinityResult.Destinations.Count);
Assert.Same(affinitizedDestination, affinityResult.Destinations[0]);
}
public void FindAffinitizedDestination_AffinityKeyIsNotSetOnRequest_ReturnKeyNotSet()
{
var provider = new CookieSessionAffinityProvider(
Options.Create(_defaultProviderOptions),
AffinityTestHelper.GetDataProtector().Object,
AffinityTestHelper.GetLogger <CookieSessionAffinityProvider>().Object);
Assert.Equal(SessionAffinityConstants.Modes.Cookie, provider.Mode);
var context = new DefaultHttpContext();
context.Request.Headers["Cookie"] = new[] { $"Some-Cookie=ZZZ" };
var affinityResult = provider.FindAffinitizedDestinations(context, _destinations, "cluster-1", _defaultOptions);
Assert.Equal(AffinityStatus.AffinityKeyNotSet, affinityResult.Status);
Assert.Null(affinityResult.Destinations);
}
public void AffinitizedRequest_AffinityKeyIsExtracted_DoNothing()
{
var provider = new CookieSessionAffinityProvider(
Options.Create(_defaultProviderOptions),
AffinityTestHelper.GetDataProtector().Object,
AffinityTestHelper.GetLogger <CookieSessionAffinityProvider>().Object);
var context = new DefaultHttpContext();
var affinitizedDestination = _destinations[0];
context.Request.Headers["Cookie"] = GetCookieWithAffinity(affinitizedDestination);
var affinityResult = provider.FindAffinitizedDestinations(context, _destinations, "cluster-1", _defaultOptions);
Assert.Equal(AffinityStatus.OK, affinityResult.Status);
provider.AffinitizeRequest(context, _defaultOptions, affinitizedDestination);
Assert.False(context.Response.Headers.ContainsKey("Cookie"));
}
public void Request_FindAffinitizedDestinations(
HttpContext context,
DestinationInfo[] allDestinations,
AffinityStatus expectedStatus,
DestinationInfo expectedDestination,
byte[] expectedEncryptedKey,
bool unprotectCalled,
LogLevel?expectedLogLevel,
EventId expectedEventId)
{
var dataProtector = GetDataProtector();
var logger = AffinityTestHelper.GetLogger <BaseSessionAffinityProvider <string> >();
var provider = new ProviderStub(dataProtector.Object, logger.Object);
var affinityResult = provider.FindAffinitizedDestinations(context, allDestinations, "cluster-1", _defaultOptions);
if (unprotectCalled)
{
dataProtector.Verify(p => p.Unprotect(It.Is <byte[]>(b => b.SequenceEqual(expectedEncryptedKey))), Times.Once);
}
Assert.Equal(expectedStatus, affinityResult.Status);
Assert.Same(expectedDestination, affinityResult.Destinations?.FirstOrDefault());
if (expectedLogLevel != null)
{
logger.Verify(
l => l.Log(expectedLogLevel.Value, expectedEventId, It.IsAny <It.IsAnyType>(), It.IsAny <Exception>(), (Func <It.IsAnyType, Exception, string>)It.IsAny <object>()),
Times.Once);
}
if (expectedDestination != null)
{
Assert.Equal(1, affinityResult.Destinations.Count);
}
else
{
Assert.Null(affinityResult.Destinations);
}
}
public void AffinitizeRequest_CookieBuilderSettingsChanged_UseNewSettings()
{
var providerOptions = new CookieSessionAffinityProviderOptions();
providerOptions.Cookie.Domain = "mydomain.my";
providerOptions.Cookie.HttpOnly = false;
providerOptions.Cookie.IsEssential = true;
providerOptions.Cookie.MaxAge = TimeSpan.FromHours(1);
providerOptions.Cookie.Name = "My.Affinity";
providerOptions.Cookie.Path = "/some";
providerOptions.Cookie.SameSite = SameSiteMode.Lax;
providerOptions.Cookie.SecurePolicy = CookieSecurePolicy.Always;
var provider = new CookieSessionAffinityProvider(
Options.Create(providerOptions),
AffinityTestHelper.GetDataProtector().Object,
AffinityTestHelper.GetLogger <CookieSessionAffinityProvider>().Object);
var context = new DefaultHttpContext();
provider.AffinitizeRequest(context, _defaultOptions, _destinations[1]);
var affinityCookieHeader = context.Response.Headers["Set-Cookie"];
Assert.Equal("My.Affinity=ZGVzdC1C; max-age=3600; domain=mydomain.my; path=/some; secure; samesite=lax", affinityCookieHeader);
}
public void AffinitizedRequest_AffinityKeyIsNotExtracted_SetKeyOnResponse()
{
var provider = new CustomHeaderSessionAffinityProvider(AffinityTestHelper.GetDataProtector().Object, AffinityTestHelper.GetLogger <CustomHeaderSessionAffinityProvider>().Object);
var context = new DefaultHttpContext();
var chosenDestination = _destinations[1];
var expectedAffinityHeaderValue = chosenDestination.DestinationId.ToUTF8BytesInBase64();
provider.AffinitizeRequest(context, _defaultOptions, chosenDestination);
Assert.True(context.Response.Headers.ContainsKey(AffinityHeaderName));
Assert.Equal(expectedAffinityHeaderValue, context.Response.Headers[AffinityHeaderName]);
}
public void FindAffinitizedDestination_CustomHeaderNameIsNotSpecified_UseDefaultName(Dictionary <string, string> settings)
{
var options = new SessionAffinityOptions
{
Enabled = true,
Mode = "CustomHeader",
FailurePolicy = "Return503",
Settings = settings,
};
var provider = new CustomHeaderSessionAffinityProvider(AffinityTestHelper.GetDataProtector().Object, AffinityTestHelper.GetLogger <CustomHeaderSessionAffinityProvider>().Object);
var context = new DefaultHttpContext();
var affinitizedDestination = _destinations[1];
context.Request.Headers[CustomHeaderSessionAffinityProvider.DefaultCustomHeaderName] = new[] { affinitizedDestination.DestinationId.ToUTF8BytesInBase64() };
var affinityResult = provider.FindAffinitizedDestinations(context, _destinations, "cluster-1", options);
Assert.Equal(AffinityStatus.OK, affinityResult.Status);
Assert.Equal(1, affinityResult.Destinations.Count);
Assert.Same(affinitizedDestination, affinityResult.Destinations[0]);
}
public void FindAffinitizedDestination_AffinityKeyIsSetOnRequest_Success()
{
var provider = new CustomHeaderSessionAffinityProvider(AffinityTestHelper.GetDataProtector().Object, AffinityTestHelper.GetLogger <CustomHeaderSessionAffinityProvider>().Object);
var context = new DefaultHttpContext();
context.Request.Headers["SomeHeader"] = new[] { "SomeValue" };
var affinitizedDestination = _destinations[1];
context.Request.Headers[AffinityHeaderName] = new[] { affinitizedDestination.DestinationId.ToUTF8BytesInBase64() };
var affinityResult = provider.FindAffinitizedDestinations(context, _destinations, "cluster-1", _defaultOptions);
Assert.Equal(AffinityStatus.OK, affinityResult.Status);
Assert.Equal(1, affinityResult.Destinations.Count);
Assert.Same(affinitizedDestination, affinityResult.Destinations[0]);
}
public void AffinitizedRequest_AffinityKeyIsExtracted_DoNothing()
{
var provider = new CustomHeaderSessionAffinityProvider(AffinityTestHelper.GetDataProtector().Object, AffinityTestHelper.GetLogger <CustomHeaderSessionAffinityProvider>().Object);
var context = new DefaultHttpContext();
context.Request.Headers["SomeHeader"] = new[] { "SomeValue" };
var affinitizedDestination = _destinations[1];
context.Request.Headers[AffinityHeaderName] = new[] { affinitizedDestination.DestinationId.ToUTF8BytesInBase64() };
var affinityResult = provider.FindAffinitizedDestinations(context, _destinations, "cluster-1", _defaultOptions);
Assert.Equal(AffinityStatus.OK, affinityResult.Status);
provider.AffinitizeRequest(context, _defaultOptions, affinitizedDestination);
Assert.False(context.Response.Headers.ContainsKey(AffinityHeaderName));
}