providers/proxy: rework endpoints logic (#4993)
* providers/proxy: rework endpoints logic again...this time with tests and better logic Signed-off-by: Jens Langhammer <jens@goauthentik.io> * fix tests Signed-off-by: Jens Langhammer <jens@goauthentik.io> --------- Signed-off-by: Jens Langhammer <jens@goauthentik.io>
This commit is contained in:
Jens L
@ -2,7 +2,6 @@ package application
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import (
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"net/url"
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"strings"
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log "github.com/sirupsen/logrus"
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"goauthentik.io/api/v3"
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@ -31,40 +30,55 @@ func updateURL(rawUrl string, scheme string, host string) string {
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func GetOIDCEndpoint(p api.ProxyOutpostConfig, authentikHost string, embedded bool) OIDCEndpoint {
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authUrl := p.OidcConfiguration.AuthorizationEndpoint
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endUrl := p.OidcConfiguration.EndSessionEndpoint
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tokenUrl := p.OidcConfiguration.TokenEndpoint
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jwksUrl := p.OidcConfiguration.JwksUri
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issuer := p.OidcConfiguration.Issuer
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if config.Get().AuthentikHostBrowser != "" {
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authUrl = strings.ReplaceAll(authUrl, authentikHost, config.Get().AuthentikHostBrowser)
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endUrl = strings.ReplaceAll(endUrl, authentikHost, config.Get().AuthentikHostBrowser)
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jwksUrl = strings.ReplaceAll(jwksUrl, authentikHost, config.Get().AuthentikHostBrowser)
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issuer = strings.ReplaceAll(issuer, authentikHost, config.Get().AuthentikHostBrowser)
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}
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ep := OIDCEndpoint{
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Endpoint: oauth2.Endpoint{
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AuthURL: authUrl,
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TokenURL: tokenUrl,
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TokenURL: p.OidcConfiguration.TokenEndpoint,
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AuthStyle: oauth2.AuthStyleInParams,
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},
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EndSessionEndpoint: endUrl,
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JwksUri: jwksUrl,
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JwksUri: p.OidcConfiguration.JwksUri,
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TokenIntrospection: p.OidcConfiguration.IntrospectionEndpoint,
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Issuer: issuer,
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}
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if !embedded {
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// For the embedded outpost, we use the configure `authentik_host` for the browser URLs
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// and localhost (which is what we've got from the API) for backchannel URLs
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//
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// For other outposts, when `AUTHENTIK_HOST_BROWSER` is set, we use that for the browser URLs
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// and use what we got from the API for backchannel
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hostBrowser := config.Get().AuthentikHostBrowser
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if !embedded && hostBrowser == "" {
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return ep
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}
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if authentikHost == "" {
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log.Warning("Outpost has localhost/blank API Connection but no authentik_host is configured.")
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return ep
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var newHost *url.URL
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if embedded {
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if authentikHost == "" {
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log.Warning("Outpost has localhost/blank API Connection but no authentik_host is configured.")
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return ep
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}
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aku, err := url.Parse(authentikHost)
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if err != nil {
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return ep
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}
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newHost = aku
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} else if hostBrowser != "" {
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aku, err := url.Parse(hostBrowser)
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if err != nil {
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return ep
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}
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newHost = aku
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}
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aku, err := url.Parse(authentikHost)
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if err != nil {
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return ep
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// Update all browser-accessed URLs to use the new host and scheme
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ep.AuthURL = updateURL(authUrl, newHost.Scheme, newHost.Host)
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ep.EndSessionEndpoint = updateURL(endUrl, newHost.Scheme, newHost.Host)
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// Update issuer to use the same host and scheme, which would normally break as we don't
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// change the token URL here, but the token HTTP transport overwrites the Host header
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//
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// This is only used in embedded outposts as there we can guarantee that the request
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// is routed correctly
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if embedded {
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ep.Issuer = updateURL(ep.Issuer, newHost.Scheme, newHost.Host)
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}
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ep.AuthURL = updateURL(authUrl, aku.Scheme, aku.Host)
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ep.EndSessionEndpoint = updateURL(endUrl, aku.Scheme, aku.Host)
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ep.JwksUri = updateURL(jwksUrl, aku.Scheme, aku.Host)
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ep.Issuer = updateURL(ep.Issuer, aku.Scheme, aku.Host)
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return ep
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}
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88
internal/outpost/proxyv2/application/endpoint_test.go
Normal file
88
internal/outpost/proxyv2/application/endpoint_test.go
Normal file
@ -0,0 +1,88 @@
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package application
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"goauthentik.io/api/v3"
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"goauthentik.io/internal/config"
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)
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func TestEndpointDefault(t *testing.T) {
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pc := api.ProxyOutpostConfig{
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OidcConfiguration: api.ProxyOutpostConfigOidcConfiguration{
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AuthorizationEndpoint: "https://test.goauthentik.io/application/o/authorize/",
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EndSessionEndpoint: "https://test.goauthentik.io/application/o/test-app/end-session/",
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IntrospectionEndpoint: "https://test.goauthentik.io/application/o/introspect/",
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Issuer: "https://test.goauthentik.io/application/o/test-app/",
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JwksUri: "https://test.goauthentik.io/application/o/test-app/jwks/",
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TokenEndpoint: "https://test.goauthentik.io/application/o/token/",
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},
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}
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ep := GetOIDCEndpoint(pc, "https://authentik-host.test.goauthentik.io", false)
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// Standard outpost, non embedded
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// All URLs should use the host that they get from the config
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assert.Equal(t, "https://test.goauthentik.io/application/o/authorize/", ep.AuthURL)
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assert.Equal(t, "https://test.goauthentik.io/application/o/token/", ep.TokenURL)
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assert.Equal(t, "https://test.goauthentik.io/application/o/test-app/", ep.Issuer)
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assert.Equal(t, "https://test.goauthentik.io/application/o/test-app/jwks/", ep.JwksUri)
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assert.Equal(t, "https://test.goauthentik.io/application/o/test-app/end-session/", ep.EndSessionEndpoint)
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assert.Equal(t, "https://test.goauthentik.io/application/o/introspect/", ep.TokenIntrospection)
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}
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func TestEndpointAuthentikHostBrowser(t *testing.T) {
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c := config.Get()
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c.AuthentikHostBrowser = "https://browser.test.goauthentik.io"
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defer func() {
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c.AuthentikHostBrowser = ""
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}()
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pc := api.ProxyOutpostConfig{
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OidcConfiguration: api.ProxyOutpostConfigOidcConfiguration{
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AuthorizationEndpoint: "https://test.goauthentik.io/application/o/authorize/",
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EndSessionEndpoint: "https://test.goauthentik.io/application/o/test-app/end-session/",
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IntrospectionEndpoint: "https://test.goauthentik.io/application/o/introspect/",
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Issuer: "https://test.goauthentik.io/application/o/test-app/",
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JwksUri: "https://test.goauthentik.io/application/o/test-app/jwks/",
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TokenEndpoint: "https://test.goauthentik.io/application/o/token/",
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UserinfoEndpoint: "https://test.goauthentik.io/application/o/userinfo/",
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},
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}
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ep := GetOIDCEndpoint(pc, "https://authentik-host.test.goauthentik.io", false)
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// Standard outpost, with AUTHENTIK_HOST_BROWSER set
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// Only the authorize/end session URLs should be changed
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assert.Equal(t, "https://browser.test.goauthentik.io/application/o/authorize/", ep.AuthURL)
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assert.Equal(t, "https://browser.test.goauthentik.io/application/o/test-app/end-session/", ep.EndSessionEndpoint)
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assert.Equal(t, "https://test.goauthentik.io/application/o/token/", ep.TokenURL)
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assert.Equal(t, "https://test.goauthentik.io/application/o/test-app/", ep.Issuer)
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assert.Equal(t, "https://test.goauthentik.io/application/o/test-app/jwks/", ep.JwksUri)
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assert.Equal(t, "https://test.goauthentik.io/application/o/introspect/", ep.TokenIntrospection)
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}
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func TestEndpointEmbedded(t *testing.T) {
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pc := api.ProxyOutpostConfig{
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OidcConfiguration: api.ProxyOutpostConfigOidcConfiguration{
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AuthorizationEndpoint: "https://test.goauthentik.io/application/o/authorize/",
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EndSessionEndpoint: "https://test.goauthentik.io/application/o/test-app/end-session/",
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IntrospectionEndpoint: "https://test.goauthentik.io/application/o/introspect/",
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Issuer: "https://test.goauthentik.io/application/o/test-app/",
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JwksUri: "https://test.goauthentik.io/application/o/test-app/jwks/",
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TokenEndpoint: "https://test.goauthentik.io/application/o/token/",
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UserinfoEndpoint: "https://test.goauthentik.io/application/o/userinfo/",
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},
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}
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ep := GetOIDCEndpoint(pc, "https://authentik-host.test.goauthentik.io", true)
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// Embedded outpost
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// Browser URLs should use the config of "authentik_host", everything else can use what's
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// received from the API endpoint
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// Token URL is an exception since it's sent via a special HTTP transport that overrides the
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// HTTP Host header, to make sure it's the same value as the issuer
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assert.Equal(t, "https://authentik-host.test.goauthentik.io/application/o/authorize/", ep.AuthURL)
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assert.Equal(t, "https://authentik-host.test.goauthentik.io/application/o/test-app/", ep.Issuer)
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assert.Equal(t, "https://test.goauthentik.io/application/o/token/", ep.TokenURL)
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assert.Equal(t, "https://test.goauthentik.io/application/o/test-app/jwks/", ep.JwksUri)
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assert.Equal(t, "https://authentik-host.test.goauthentik.io/application/o/test-app/end-session/", ep.EndSessionEndpoint)
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assert.Equal(t, "https://test.goauthentik.io/application/o/introspect/", ep.TokenIntrospection)
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}
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