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authentik/internal/outpost/proxyv2/application/endpoint.go
Jens L ec42b597ab
providers/proxy: send token request internally, with overwritten host header (#4675)
* send token request internally, with overwritten host header

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

* fix

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

---------

Signed-off-by: Jens Langhammer <jens@goauthentik.io>
2023-02-13 16:34:47 +01:00

70 lines
1.8 KiB
Go

package application
import (
"net/url"
"os"
"strings"
log "github.com/sirupsen/logrus"
"goauthentik.io/api/v3"
"golang.org/x/oauth2"
)
type OIDCEndpoint struct {
oauth2.Endpoint
TokenIntrospection string
EndSessionEndpoint string
JwksUri string
Issuer string
}
func updateURL(rawUrl string, scheme string, host string) string {
u, err := url.Parse(rawUrl)
if err != nil {
return rawUrl
}
u.Host = host
u.Scheme = scheme
return u.String()
}
func GetOIDCEndpoint(p api.ProxyOutpostConfig, authentikHost string, embedded bool) OIDCEndpoint {
authUrl := p.OidcConfiguration.AuthorizationEndpoint
endUrl := p.OidcConfiguration.EndSessionEndpoint
tokenUrl := p.OidcConfiguration.TokenEndpoint
jwksUrl := p.OidcConfiguration.JwksUri
if browserHost, found := os.LookupEnv("AUTHENTIK_HOST_BROWSER"); found && browserHost != "" {
host := os.Getenv("AUTHENTIK_HOST")
authUrl = strings.ReplaceAll(authUrl, host, browserHost)
endUrl = strings.ReplaceAll(endUrl, host, browserHost)
jwksUrl = strings.ReplaceAll(jwksUrl, host, browserHost)
}
ep := OIDCEndpoint{
Endpoint: oauth2.Endpoint{
AuthURL: authUrl,
TokenURL: tokenUrl,
AuthStyle: oauth2.AuthStyleInParams,
},
EndSessionEndpoint: endUrl,
JwksUri: jwksUrl,
TokenIntrospection: p.OidcConfiguration.IntrospectionEndpoint,
Issuer: p.OidcConfiguration.Issuer,
}
if !embedded {
return ep
}
if authentikHost == "" {
log.Warning("Outpost has localhost/blank API Connection but no authentik_host is configured.")
return ep
}
aku, err := url.Parse(authentikHost)
if err != nil {
return ep
}
ep.AuthURL = updateURL(authUrl, aku.Scheme, aku.Host)
ep.EndSessionEndpoint = updateURL(endUrl, aku.Scheme, aku.Host)
ep.JwksUri = updateURL(jwksUrl, aku.Scheme, aku.Host)
ep.Issuer = updateURL(ep.Issuer, aku.Scheme, aku.Host)
return ep
}