minimal webfinger (#5373)

* initial webfinger stub

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* add webfinger to proxy, return current host

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* some cleanup

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* allow passing multiple rel params

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* introduce interfaces

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* parse oidc auth token

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* add templating, drop chain, use map of relation providers

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* fix ocis url yaml

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* fix typos

Co-authored-by: Dominik Schmidt <dschmidt@owncloud.com>

* switch to userinfo claims

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* readme cleanup

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* add TODO.md with ideas

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* replace subject on authenticated request responses

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* Apply suggestions from code review

Co-authored-by: Martin <github@diemattels.at>

* markdown lint

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* return a 401 when bearer token expired, some more docs

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* Apply suggestions from code review

Co-authored-by: Martin <github@diemattels.at>

* fix docs

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* clarify env var

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* extract handler func

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* use correct service in reflex.conf

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* test relations

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

* Update services/webfinger/pkg/config/config.go

---------

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>
Co-authored-by: Dominik Schmidt <dschmidt@owncloud.com>
Co-authored-by: Martin <github@diemattels.at>

ocis/pkg/command/webfinger.go

@@ -0,0 +1,31 @@
+package command
+
+import (
+	"github.com/owncloud/ocis/v2/ocis-pkg/config"
+	"github.com/owncloud/ocis/v2/ocis-pkg/config/configlog"
+	"github.com/owncloud/ocis/v2/ocis-pkg/config/parser"
+	"github.com/owncloud/ocis/v2/ocis/pkg/command/helper"
+	"github.com/owncloud/ocis/v2/ocis/pkg/register"
+	"github.com/owncloud/ocis/v2/services/webfinger/pkg/command"
+	"github.com/urfave/cli/v2"
+)
+
+// WebfingerCommand is the entrypoint for the webfinger command.
+func WebfingerCommand(cfg *config.Config) *cli.Command {
+
+	return &cli.Command{
+		Name:     cfg.Webfinger.Service.Name,
+		Usage:    helper.SubcommandDescription(cfg.Webfinger.Service.Name),
+		Category: "services",
+		Before: func(c *cli.Context) error {
+			configlog.Error(parser.ParseConfig(cfg, true))
+			cfg.Webfinger.Commons = cfg.Commons
+			return nil
+		},
+		Subcommands: command.GetCommands(cfg.Webfinger),
+	}
+}
+
+func init() {
+	register.AddCommand(WebfingerCommand)
+}

ocis/pkg/runtime/service/service.go

@@ -48,6 +48,7 @@ import (
 	users "github.com/owncloud/ocis/v2/services/users/pkg/command"
 	web "github.com/owncloud/ocis/v2/services/web/pkg/command"
 	webdav "github.com/owncloud/ocis/v2/services/webdav/pkg/command"
+	webfinger "github.com/owncloud/ocis/v2/services/webfinger/pkg/command"
 	"github.com/thejerf/suture/v4"
 )
 
@@ -112,6 +113,7 @@ func NewService(options ...Option) (*Service, error) {
 	s.ServicesRegistry[opts.Config.Thumbnails.Service.Name] = thumbnails.NewSutureService
 	s.ServicesRegistry[opts.Config.Web.Service.Name] = web.NewSutureService
 	s.ServicesRegistry[opts.Config.WebDAV.Service.Name] = webdav.NewSutureService
+	s.ServicesRegistry[opts.Config.Webfinger.Service.Name] = webfinger.NewSutureService
 	s.ServicesRegistry[opts.Config.Frontend.Service.Name] = frontend.NewSutureService
 	s.ServicesRegistry[opts.Config.OCDav.Service.Name] = ocdav.NewSutureService
 	s.ServicesRegistry[opts.Config.Gateway.Service.Name] = gateway.NewSutureService