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IdentityServerAuthFeature.cs
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IdentityServerAuthFeature.cs
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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
namespace ServiceStack.Authentication.IdentityServer
{
using System;
using System.Collections.Generic;
using Auth;
using Configuration;
using Enums;
using Exceptions;
using Extensions;
using Interfaces;
using Providers;
using Web;
public class IdentityServerAuthFeature : IPlugin, IIdentityServerAuthProviderSettings
{
private readonly ServiceClientBase defaultServiceClient;
private readonly IAppSettings appSettings;
private Func<IClientSecretStore> clientSecretStore;
private IdentityServerAuthProviderType providerType;
private string referrerUrl;
public IdentityServerAuthFeature(IAppSettings appSettings = null, ServiceClientBase defaultServiceClient = null)
{
this.appSettings = appSettings ?? new AppSettings();
this.defaultServiceClient = defaultServiceClient;
this.providerType = IdentityServerAuthProviderType.UserAuthProvider;
this.AuthorizationFlow = IdentityServerOpenIdAuthorizationFlowType.Hybrid;
}
public virtual void Register(IAppHost appHost)
{
ValidateCallbackRequirements(appHost);
clientSecretStore = () => appHost.TryResolve<IClientSecretStore>() ?? new DefaultClientSecretStore(appSettings);
var provider = ProviderFactory();
appHost.LoadPlugin(
new AuthFeature(() => new AuthUserSession(),
new IAuthProvider[]
{
provider
},
GetProviderLoginUrl(appHost))
);
if (defaultServiceClient == null) return;
appHost.GetContainer().Register<IServiceClient>(defaultServiceClient);
appHost.GlobalRequestFilters.Add(ImpersonateServiceClient);
}
private static string GetProviderLoginUrl(IAppHost appHost)
{
if (string.IsNullOrWhiteSpace(appHost.Config?.WebHostUrl))
{
throw new ConfigurationException(
"appHost.Config.WebHostUrl must be set to use the Identity Server User Login plugin so that " +
"the service can sent it's full http://url:port to the Identity Server User Login");
}
var returnValue = appHost.Config.WebHostUrl.AppendUrlPaths("auth", IdentityServerAuthProvider.Name);
return returnValue;
}
private void ValidateCallbackRequirements(IAppHost appHost)
{
var providersThatShouldValidateCallbackUrl = new List<IdentityServerAuthProviderType>
{
IdentityServerAuthProviderType.UserAuthProvider,
IdentityServerAuthProviderType.ResourcePasswordFlowProvider
};
if (!providersThatShouldValidateCallbackUrl.Contains(providerType)) return;
if (appHost.Config?.WebHostUrl == null)
{
throw new ConfigurationException(
"appHost.Config.WebHostUrl must be set to use the Identity Server User Login plugin so that " +
"the service can sent it's full http://url:port to the Identity Server User Login");
}
referrerUrl = appHost.Config?.WebHostUrl.TidyUrl();
appHost.AppSettings.Set($"oauth.{IdentityServerAuthProvider.Name}.CallbackUrl", referrerUrl.AppendUrlPaths("auth", IdentityServerAuthProvider.Name));
}
private IIdentityServerProvider ProviderFactory()
{
IIdentityServerProvider provider;
switch (providerType)
{
case IdentityServerAuthProviderType.UserAuthProvider:
provider = new UserAuthProvider(this);
break;
case IdentityServerAuthProviderType.ServiceProvider:
provider = new ServiceAuthProvider(this);
break;
case IdentityServerAuthProviderType.ResourcePasswordFlowProvider:
provider = new ResourcePasswordFlowAuthProvider(this);
break;
default:
provider = new ImpersonationAuthProvider(this);
break;
}
provider.Init().Wait();
return provider;
}
private void ImpersonateServiceClient(IRequest request, IResponse response, object requestDto)
{
if (defaultServiceClient == null) return;
var session = request.GetSession();
if (session == null || !session.IsAuthenticated)
{
return;
}
var authTokens = session.GetAuthTokens(IdentityServerAuthProvider.Name);
if (string.IsNullOrEmpty(authTokens?.AccessToken))
{
return;
}
defaultServiceClient.Post(new Authenticate
{
provider = IdentityServerAuthProvider.Name,
oauth_token = authTokens.AccessToken,
oauth_verifier = $"{referrerUrl}auth/{IdentityServerAuthProvider.Name}"
});
}
public DocumentDiscoveryResult DiscoveryResult { get; set; }
public IdentityServerAuthProviderType AuthProviderType
{
set { providerType = value; }
}
public IdentityServerOpenIdAuthorizationFlowType AuthorizationFlow { get; set; }
public string AuthRealm
{
get { return appSettings.Get(ConfigKeys.AuthRealm, "http://127.0.0.1:8080/").TidyUrl(); }
set { appSettings.Set(ConfigKeys.AuthRealm, value); }
}
public string AuthorizeUrl
{
get
{
var hasConfiguredValue = appSettings.Exists(ConfigKeys.AuthorizeUrl);
var discoveryValue = DiscoveryResult?.AuthorizeUrl;
var settingsValue = appSettings.Get(ConfigKeys.AuthorizeUrl, AuthRealm.AppendUrlPaths("connect", "authorize"));
return !hasConfiguredValue && discoveryValue != null
? discoveryValue
: settingsValue;
}
set { appSettings.Set(ConfigKeys.AuthorizeUrl, value); }
}
public string IntrospectUrl
{
get
{
var hasConfiguredValue = appSettings.Exists(ConfigKeys.IntrospectUrl);
var discoveryValue = DiscoveryResult?.IntrospectUrl;
var settingsValue = appSettings.Get(ConfigKeys.IntrospectUrl, AuthRealm.AppendUrlPaths("connect", "introspect"));
return !hasConfiguredValue && discoveryValue != null
? discoveryValue
: settingsValue;
}
set { appSettings.Set(ConfigKeys.IntrospectUrl, value); }
}
public string UserInfoUrl
{
get
{
var hasConfiguredValue = appSettings.Exists(ConfigKeys.UserInfoUrl);
var discoveryValue = DiscoveryResult?.UserInfoUrl;
var settingsValue = appSettings.Get(ConfigKeys.UserInfoUrl, AuthRealm.AppendUrlPaths("connect", "userinfo"));
return !hasConfiguredValue && discoveryValue != null
? discoveryValue
: settingsValue;
}
set { appSettings.Set(ConfigKeys.UserInfoUrl, value); }
}
public string RequestTokenUrl
{
get
{
var hasConfiguredValue = appSettings.Exists(ConfigKeys.UserInfoUrl);
var discoveryValue = DiscoveryResult?.TokenUrl;
var settingsValue = appSettings.Get(ConfigKeys.TokenUrl, AuthRealm.AppendUrlPaths("connect", "token"));
return !hasConfiguredValue && discoveryValue != null
? discoveryValue
: settingsValue;
}
set { appSettings.Set(ConfigKeys.TokenUrl, value); }
}
public string CallbackUrl
{
get { return appSettings.Get(ConfigKeys.CallbackUrl, referrerUrl.AppendUrlPaths("auth", "IdentityServer")); }
set { appSettings.Set(ConfigKeys.CallbackUrl, value); }
}
public string ClientId
{
get { return appSettings.Get(ConfigKeys.ClientId, "ClientId"); }
set { appSettings.Set(ConfigKeys.ClientId, value); }
}
public string ClientSecret
{
get { return clientSecretStore().GetSecretAsync(ClientId).Result; }
set { appSettings.Set(ConfigKeys.ClientSecret, value); }
}
public string Username
{
get { return appSettings.Get(ConfigKeys.Username, string.Empty); }
set { appSettings.Set(ConfigKeys.Username, value); }
}
public string Password
{
get { return appSettings.Get(ConfigKeys.Password, string.Empty); }
set { appSettings.Set(ConfigKeys.Password, value); }
}
public string JwksUrl
{
get
{
var hasConfiguredValue = appSettings.Exists(ConfigKeys.JwksUrl);
var discoveryValue = DiscoveryResult?.JwksUrl;
var settingsValue = appSettings.Get(ConfigKeys.JwksUrl, AuthRealm.AppendUrlPaths(".well-known"));
return !hasConfiguredValue && discoveryValue != null
? discoveryValue
: settingsValue;
}
set { appSettings.Set(ConfigKeys.JwksUrl, value); }
}
public string Scopes
{
get { return appSettings.Get(ConfigKeys.ClientScopes, "openid"); }
set { appSettings.Set(ConfigKeys.ClientScopes, value); }
}
public IList<string> RoleClaimNames => appSettings.GetList(ConfigKeys.RoleClaims);
public string RoleClaims
{
set { appSettings.Set(ConfigKeys.RoleClaims, value); }
}
public IList<string> PermissionClaimNames => appSettings.GetList(ConfigKeys.PermissionClaimNames);
public string PermissionClaims
{
set { appSettings.Set(ConfigKeys.PermissionClaimNames, value); }
}
}
}