rename folder extensions -> services

Signed-off-by: Christian Richter <crichter@owncloud.com>
2022-06-27 14:05:36 +02:00
parent 1aea93d8cd
commit 78064e6bab
926 changed files with 0 additions and 0 deletions
@@ -0,0 +1,82 @@
+package middleware
+
+import (
+	"net/http"
+	"net/url"
+
+	revactx "github.com/cs3org/reva/v2/pkg/ctx"
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/render"
+	"github.com/owncloud/ocis/v2/extensions/ocs/pkg/service/v0/data"
+	"github.com/owncloud/ocis/v2/extensions/ocs/pkg/service/v0/response"
+	settings "github.com/owncloud/ocis/v2/extensions/settings/pkg/service/v0"
+	settingsService "github.com/owncloud/ocis/v2/extensions/settings/pkg/service/v0"
+	"github.com/owncloud/ocis/v2/ocis-pkg/roles"
+)
+
+// RequireSelfOrAdmin middleware is used to require the requesting user to be an admin or the requested user himself
+func RequireSelfOrAdmin(opts ...Option) func(next http.Handler) http.Handler {
+	opt := newOptions(opts...)
+
+	mustRender := func(w http.ResponseWriter, r *http.Request, renderer render.Renderer) {
+		if err := render.Render(w, r, renderer); err != nil {
+			opt.Logger.Err(err).Msgf("failed to write response for ocs request %s on %s", r.Method, r.URL)
+		}
+	}
+
+	return func(next http.Handler) http.Handler {
+		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+
+			u, ok := revactx.ContextGetUser(r.Context())
+			if !ok {
+				mustRender(w, r, response.ErrRender(data.MetaUnauthorized.StatusCode, "Unauthorized"))
+				return
+			}
+			if u.Id == nil || u.Id.OpaqueId == "" {
+				mustRender(w, r, response.ErrRender(data.MetaBadRequest.StatusCode, "user is missing an id"))
+				return
+			}
+			// get roles from context
+			roleIDs, ok := roles.ReadRoleIDsFromContext(r.Context())
+			if !ok {
+				opt.Logger.Debug().Str("userid", u.Id.OpaqueId).Msg("No roles in context, contacting settings service")
+				var err error
+				roleIDs, err = opt.RoleManager.FindRoleIDsForUser(r.Context(), u.Id.OpaqueId)
+				if err != nil {
+					opt.Logger.Err(err).Str("userid", u.Id.OpaqueId).Msg("failed to get roles for user")
+					mustRender(w, r, response.ErrRender(data.MetaUnauthorized.StatusCode, "Unauthorized"))
+					return
+				}
+				if len(roleIDs) == 0 {
+					roleIDs = append(roleIDs, settingsService.BundleUUIDRoleUser, settingsService.SelfManagementPermissionID)
+					// if roles are empty, assume we haven't seen the user before and assign a default user role. At least until
+					// proper roles are provided. See https://github.com/owncloud/ocis/v2/issues/1825 for more context.
+					//return user, nil
+				}
+			}
+
+			// check if account management permission is present in roles of the authenticated account
+			if opt.RoleManager.FindPermissionByID(r.Context(), roleIDs, settings.AccountManagementPermissionID) != nil {
+				next.ServeHTTP(w, r)
+				return
+			}
+
+			// check if self management permission is present in roles of the authenticated account
+			if opt.RoleManager.FindPermissionByID(r.Context(), roleIDs, settings.SelfManagementPermissionID) != nil {
+				userid := chi.URLParam(r, "userid")
+				var err error
+				if userid, err = url.PathUnescape(userid); err != nil {
+					mustRender(w, r, response.ErrRender(data.MetaBadRequest.StatusCode, "malformed username"))
+				}
+
+				if userid == "" || userid == u.Id.OpaqueId || userid == u.Username {
+					next.ServeHTTP(w, r)
+					return
+				}
+			}
+
+			mustRender(w, r, response.ErrRender(data.MetaUnauthorized.StatusCode, "Unauthorized"))
+
+		})
+	}
+}