Use service user for role assignment and autoprovisioning

This gets us a rid of the need to configure the reva jwt secret in the
proxy. Also we no longer need to fake an internal admin user for
autoprovsioning user and/or assigning the roles to users from oidc
claims.

services/proxy/pkg/middleware/account_resolver_test.go

@@ -12,7 +12,6 @@ import (
 	"github.com/cs3org/reva/v2/pkg/token/manager/jwt"
 	"github.com/owncloud/ocis/v2/ocis-pkg/log"
 	"github.com/owncloud/ocis/v2/ocis-pkg/oidc"
-	"github.com/owncloud/ocis/v2/services/proxy/pkg/config"
 	"github.com/owncloud/ocis/v2/services/proxy/pkg/user/backend"
 	"github.com/owncloud/ocis/v2/services/proxy/pkg/user/backend/mocks"
 	userRoleMocks "github.com/owncloud/ocis/v2/services/proxy/pkg/userroles/mocks"
@@ -194,7 +193,6 @@ func newMockAccountResolver(userBackendResult *userv1beta1.User, userBackendErr
 		Logger(log.NewLogger()),
 		UserProvider(&ub),
 		UserRoleAssigner(&ra),
-		TokenManagerConfig(config.TokenManager{JWTSecret: "secret"}),
 		SkipUserInfo(false),
 		UserOIDCClaim(oidcclaim),
 		UserCS3Claim(cs3claim),

services/proxy/pkg/middleware/options.go

@@ -27,8 +27,6 @@ type Option func(o *Options)
 type Options struct {
 	// Logger to use for logging, must be set
 	Logger log.Logger
-	// TokenManagerConfig for communicating with the reva token manager
-	TokenManagerConfig config.TokenManager
 	// PolicySelectorConfig for using the policy selector
 	PolicySelector config.PolicySelector
 	// HTTPClient to use for communication with the oidcAuth provider
@@ -97,13 +95,6 @@ func Logger(l log.Logger) Option {
 	}
 }
 
-// TokenManagerConfig provides a function to set the token manger config option.
-func TokenManagerConfig(cfg config.TokenManager) Option {
-	return func(o *Options) {
-		o.TokenManagerConfig = cfg
-	}
-}
-
 // PolicySelectorConfig provides a function to set the policy selector config option.
 func PolicySelectorConfig(cfg config.PolicySelector) Option {
 	return func(o *Options) {