19103: Fixes the default Limit param for ACA list requests.
[arvados.git] / lib / controller / router / router.go
index bc70963dab1f4c1bb68f791719b1ff1b1d2a5a4d..586ea8e676ec9ae2a08a7f1855f7f17d8ef5754a 100644 (file)
@@ -7,9 +7,11 @@ package router
 import (
        "context"
        "fmt"
+       "math"
        "net/http"
        "strings"
 
+       "git.arvados.org/arvados.git/lib/controller/api"
        "git.arvados.org/arvados.git/sdk/go/arvados"
        "git.arvados.org/arvados.git/sdk/go/auth"
        "git.arvados.org/arvados.git/sdk/go/ctxlog"
@@ -19,137 +21,202 @@ import (
 )
 
 type router struct {
-       mux *mux.Router
-       fed arvados.API
+       mux     *mux.Router
+       backend arvados.API
+       config  Config
 }
 
-func New(fed arvados.API) *router {
+type Config struct {
+       // Return an error if request body exceeds this size. 0 means
+       // unlimited.
+       MaxRequestSize int
+
+       // If wrapCalls is not nil, it is called once for each API
+       // method, and the returned method is used in its place. This
+       // can be used to install hooks before and after each API call
+       // and alter responses; see localdb.WrapCallsInTransaction for
+       // an example.
+       WrapCalls func(api.RoutableFunc) api.RoutableFunc
+}
+
+// New returns a new router (which implements the http.Handler
+// interface) that serves requests by calling Arvados API methods on
+// the given backend.
+func New(backend arvados.API, config Config) *router {
        rtr := &router{
-               mux: mux.NewRouter(),
-               fed: fed,
+               mux:     mux.NewRouter(),
+               backend: backend,
+               config:  config,
        }
        rtr.addRoutes()
        return rtr
 }
 
-type routableFunc func(ctx context.Context, opts interface{}) (interface{}, error)
-
 func (rtr *router) addRoutes() {
        for _, route := range []struct {
                endpoint    arvados.APIEndpoint
                defaultOpts func() interface{}
-               exec        routableFunc
+               exec        api.RoutableFunc
        }{
                {
                        arvados.EndpointConfigGet,
                        func() interface{} { return &struct{}{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.ConfigGet(ctx)
+                               return rtr.backend.ConfigGet(ctx)
+                       },
+               },
+               {
+                       arvados.EndpointVocabularyGet,
+                       func() interface{} { return &struct{}{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.VocabularyGet(ctx)
                        },
                },
                {
                        arvados.EndpointLogin,
                        func() interface{} { return &arvados.LoginOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.Login(ctx, *opts.(*arvados.LoginOptions))
+                               return rtr.backend.Login(ctx, *opts.(*arvados.LoginOptions))
+                       },
+               },
+               {
+                       arvados.EndpointLogout,
+                       func() interface{} { return &arvados.LogoutOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.Logout(ctx, *opts.(*arvados.LogoutOptions))
                        },
                },
                {
                        arvados.EndpointCollectionCreate,
                        func() interface{} { return &arvados.CreateOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.CollectionCreate(ctx, *opts.(*arvados.CreateOptions))
+                               return rtr.backend.CollectionCreate(ctx, *opts.(*arvados.CreateOptions))
                        },
                },
                {
                        arvados.EndpointCollectionUpdate,
                        func() interface{} { return &arvados.UpdateOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.CollectionUpdate(ctx, *opts.(*arvados.UpdateOptions))
+                               return rtr.backend.CollectionUpdate(ctx, *opts.(*arvados.UpdateOptions))
                        },
                },
                {
                        arvados.EndpointCollectionGet,
                        func() interface{} { return &arvados.GetOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.CollectionGet(ctx, *opts.(*arvados.GetOptions))
+                               return rtr.backend.CollectionGet(ctx, *opts.(*arvados.GetOptions))
                        },
                },
                {
                        arvados.EndpointCollectionList,
                        func() interface{} { return &arvados.ListOptions{Limit: -1} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.CollectionList(ctx, *opts.(*arvados.ListOptions))
+                               return rtr.backend.CollectionList(ctx, *opts.(*arvados.ListOptions))
                        },
                },
                {
                        arvados.EndpointCollectionProvenance,
                        func() interface{} { return &arvados.GetOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.CollectionProvenance(ctx, *opts.(*arvados.GetOptions))
+                               return rtr.backend.CollectionProvenance(ctx, *opts.(*arvados.GetOptions))
                        },
                },
                {
                        arvados.EndpointCollectionUsedBy,
                        func() interface{} { return &arvados.GetOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.CollectionUsedBy(ctx, *opts.(*arvados.GetOptions))
+                               return rtr.backend.CollectionUsedBy(ctx, *opts.(*arvados.GetOptions))
                        },
                },
                {
                        arvados.EndpointCollectionDelete,
                        func() interface{} { return &arvados.DeleteOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.CollectionDelete(ctx, *opts.(*arvados.DeleteOptions))
+                               return rtr.backend.CollectionDelete(ctx, *opts.(*arvados.DeleteOptions))
                        },
                },
                {
                        arvados.EndpointCollectionTrash,
                        func() interface{} { return &arvados.DeleteOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.CollectionTrash(ctx, *opts.(*arvados.DeleteOptions))
+                               return rtr.backend.CollectionTrash(ctx, *opts.(*arvados.DeleteOptions))
                        },
                },
                {
                        arvados.EndpointCollectionUntrash,
                        func() interface{} { return &arvados.UntrashOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.CollectionUntrash(ctx, *opts.(*arvados.UntrashOptions))
+                               return rtr.backend.CollectionUntrash(ctx, *opts.(*arvados.UntrashOptions))
                        },
                },
                {
                        arvados.EndpointContainerCreate,
                        func() interface{} { return &arvados.CreateOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.ContainerCreate(ctx, *opts.(*arvados.CreateOptions))
+                               return rtr.backend.ContainerCreate(ctx, *opts.(*arvados.CreateOptions))
                        },
                },
                {
                        arvados.EndpointContainerUpdate,
                        func() interface{} { return &arvados.UpdateOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.ContainerUpdate(ctx, *opts.(*arvados.UpdateOptions))
+                               return rtr.backend.ContainerUpdate(ctx, *opts.(*arvados.UpdateOptions))
                        },
                },
                {
                        arvados.EndpointContainerGet,
                        func() interface{} { return &arvados.GetOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.ContainerGet(ctx, *opts.(*arvados.GetOptions))
+                               return rtr.backend.ContainerGet(ctx, *opts.(*arvados.GetOptions))
                        },
                },
                {
                        arvados.EndpointContainerList,
                        func() interface{} { return &arvados.ListOptions{Limit: -1} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.ContainerList(ctx, *opts.(*arvados.ListOptions))
+                               return rtr.backend.ContainerList(ctx, *opts.(*arvados.ListOptions))
                        },
                },
                {
                        arvados.EndpointContainerDelete,
                        func() interface{} { return &arvados.DeleteOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.ContainerDelete(ctx, *opts.(*arvados.DeleteOptions))
+                               return rtr.backend.ContainerDelete(ctx, *opts.(*arvados.DeleteOptions))
+                       },
+               },
+               {
+                       arvados.EndpointContainerRequestCreate,
+                       func() interface{} { return &arvados.CreateOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.ContainerRequestCreate(ctx, *opts.(*arvados.CreateOptions))
+                       },
+               },
+               {
+                       arvados.EndpointContainerRequestUpdate,
+                       func() interface{} { return &arvados.UpdateOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.ContainerRequestUpdate(ctx, *opts.(*arvados.UpdateOptions))
+                       },
+               },
+               {
+                       arvados.EndpointContainerRequestGet,
+                       func() interface{} { return &arvados.GetOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.ContainerRequestGet(ctx, *opts.(*arvados.GetOptions))
+                       },
+               },
+               {
+                       arvados.EndpointContainerRequestList,
+                       func() interface{} { return &arvados.ListOptions{Limit: -1} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.ContainerRequestList(ctx, *opts.(*arvados.ListOptions))
+                       },
+               },
+               {
+                       arvados.EndpointContainerRequestDelete,
+                       func() interface{} { return &arvados.DeleteOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.ContainerRequestDelete(ctx, *opts.(*arvados.DeleteOptions))
                        },
                },
                {
@@ -158,7 +225,7 @@ func (rtr *router) addRoutes() {
                                return &arvados.GetOptions{Select: []string{"uuid", "state", "priority", "auth_uuid", "locked_by_uuid"}}
                        },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.ContainerLock(ctx, *opts.(*arvados.GetOptions))
+                               return rtr.backend.ContainerLock(ctx, *opts.(*arvados.GetOptions))
                        },
                },
                {
@@ -167,143 +234,295 @@ func (rtr *router) addRoutes() {
                                return &arvados.GetOptions{Select: []string{"uuid", "state", "priority", "auth_uuid", "locked_by_uuid"}}
                        },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.ContainerUnlock(ctx, *opts.(*arvados.GetOptions))
+                               return rtr.backend.ContainerUnlock(ctx, *opts.(*arvados.GetOptions))
+                       },
+               },
+               {
+                       arvados.EndpointContainerSSH,
+                       func() interface{} { return &arvados.ContainerSSHOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.ContainerSSH(ctx, *opts.(*arvados.ContainerSSHOptions))
+                       },
+               },
+               {
+                       arvados.EndpointGroupCreate,
+                       func() interface{} { return &arvados.CreateOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.GroupCreate(ctx, *opts.(*arvados.CreateOptions))
+                       },
+               },
+               {
+                       arvados.EndpointGroupUpdate,
+                       func() interface{} { return &arvados.UpdateOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.GroupUpdate(ctx, *opts.(*arvados.UpdateOptions))
+                       },
+               },
+               {
+                       arvados.EndpointGroupList,
+                       func() interface{} { return &arvados.ListOptions{Limit: -1} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.GroupList(ctx, *opts.(*arvados.ListOptions))
+                       },
+               },
+               {
+                       arvados.EndpointGroupContents,
+                       func() interface{} { return &arvados.GroupContentsOptions{Limit: -1} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.GroupContents(ctx, *opts.(*arvados.GroupContentsOptions))
+                       },
+               },
+               {
+                       arvados.EndpointGroupContentsUUIDInPath,
+                       func() interface{} { return &arvados.GroupContentsOptions{Limit: -1} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.GroupContents(ctx, *opts.(*arvados.GroupContentsOptions))
+                       },
+               },
+               {
+                       arvados.EndpointGroupShared,
+                       func() interface{} { return &arvados.ListOptions{Limit: -1} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.GroupShared(ctx, *opts.(*arvados.ListOptions))
+                       },
+               },
+               {
+                       arvados.EndpointGroupGet,
+                       func() interface{} { return &arvados.GetOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.GroupGet(ctx, *opts.(*arvados.GetOptions))
+                       },
+               },
+               {
+                       arvados.EndpointGroupDelete,
+                       func() interface{} { return &arvados.DeleteOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.GroupDelete(ctx, *opts.(*arvados.DeleteOptions))
+                       },
+               },
+               {
+                       arvados.EndpointGroupTrash,
+                       func() interface{} { return &arvados.DeleteOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.GroupTrash(ctx, *opts.(*arvados.DeleteOptions))
+                       },
+               },
+               {
+                       arvados.EndpointGroupUntrash,
+                       func() interface{} { return &arvados.UntrashOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.GroupUntrash(ctx, *opts.(*arvados.UntrashOptions))
+                       },
+               },
+               {
+                       arvados.EndpointLinkCreate,
+                       func() interface{} { return &arvados.CreateOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.LinkCreate(ctx, *opts.(*arvados.CreateOptions))
+                       },
+               },
+               {
+                       arvados.EndpointLinkUpdate,
+                       func() interface{} { return &arvados.UpdateOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.LinkUpdate(ctx, *opts.(*arvados.UpdateOptions))
+                       },
+               },
+               {
+                       arvados.EndpointLinkList,
+                       func() interface{} { return &arvados.ListOptions{Limit: -1} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.LinkList(ctx, *opts.(*arvados.ListOptions))
+                       },
+               },
+               {
+                       arvados.EndpointLinkGet,
+                       func() interface{} { return &arvados.GetOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.LinkGet(ctx, *opts.(*arvados.GetOptions))
+                       },
+               },
+               {
+                       arvados.EndpointLinkDelete,
+                       func() interface{} { return &arvados.DeleteOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.LinkDelete(ctx, *opts.(*arvados.DeleteOptions))
                        },
                },
                {
                        arvados.EndpointSpecimenCreate,
                        func() interface{} { return &arvados.CreateOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.SpecimenCreate(ctx, *opts.(*arvados.CreateOptions))
+                               return rtr.backend.SpecimenCreate(ctx, *opts.(*arvados.CreateOptions))
                        },
                },
                {
                        arvados.EndpointSpecimenUpdate,
                        func() interface{} { return &arvados.UpdateOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.SpecimenUpdate(ctx, *opts.(*arvados.UpdateOptions))
+                               return rtr.backend.SpecimenUpdate(ctx, *opts.(*arvados.UpdateOptions))
                        },
                },
                {
                        arvados.EndpointSpecimenGet,
                        func() interface{} { return &arvados.GetOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.SpecimenGet(ctx, *opts.(*arvados.GetOptions))
+                               return rtr.backend.SpecimenGet(ctx, *opts.(*arvados.GetOptions))
                        },
                },
                {
                        arvados.EndpointSpecimenList,
                        func() interface{} { return &arvados.ListOptions{Limit: -1} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.SpecimenList(ctx, *opts.(*arvados.ListOptions))
+                               return rtr.backend.SpecimenList(ctx, *opts.(*arvados.ListOptions))
                        },
                },
                {
                        arvados.EndpointSpecimenDelete,
                        func() interface{} { return &arvados.DeleteOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.SpecimenDelete(ctx, *opts.(*arvados.DeleteOptions))
+                               return rtr.backend.SpecimenDelete(ctx, *opts.(*arvados.DeleteOptions))
+                       },
+               },
+               {
+                       arvados.EndpointAPIClientAuthorizationCreate,
+                       func() interface{} { return &arvados.CreateOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.APIClientAuthorizationCreate(ctx, *opts.(*arvados.CreateOptions))
+                       },
+               },
+               {
+                       arvados.EndpointAPIClientAuthorizationUpdate,
+                       func() interface{} { return &arvados.UpdateOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.APIClientAuthorizationUpdate(ctx, *opts.(*arvados.UpdateOptions))
+                       },
+               },
+               {
+                       arvados.EndpointAPIClientAuthorizationDelete,
+                       func() interface{} { return &arvados.DeleteOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.APIClientAuthorizationDelete(ctx, *opts.(*arvados.DeleteOptions))
+                       },
+               },
+               {
+                       arvados.EndpointAPIClientAuthorizationList,
+                       func() interface{} { return &arvados.ListOptions{Limit: -1} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.APIClientAuthorizationList(ctx, *opts.(*arvados.ListOptions))
+                       },
+               },
+               {
+                       arvados.EndpointAPIClientAuthorizationCurrent,
+                       func() interface{} { return &arvados.GetOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.APIClientAuthorizationCurrent(ctx, *opts.(*arvados.GetOptions))
+                       },
+               },
+               {
+                       arvados.EndpointAPIClientAuthorizationGet,
+                       func() interface{} { return &arvados.GetOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.APIClientAuthorizationGet(ctx, *opts.(*arvados.GetOptions))
                        },
                },
                {
                        arvados.EndpointUserCreate,
                        func() interface{} { return &arvados.CreateOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.UserCreate(ctx, *opts.(*arvados.CreateOptions))
+                               return rtr.backend.UserCreate(ctx, *opts.(*arvados.CreateOptions))
                        },
                },
                {
                        arvados.EndpointUserMerge,
                        func() interface{} { return &arvados.UserMergeOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.UserMerge(ctx, *opts.(*arvados.UserMergeOptions))
+                               return rtr.backend.UserMerge(ctx, *opts.(*arvados.UserMergeOptions))
                        },
                },
                {
                        arvados.EndpointUserActivate,
                        func() interface{} { return &arvados.UserActivateOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.UserActivate(ctx, *opts.(*arvados.UserActivateOptions))
+                               return rtr.backend.UserActivate(ctx, *opts.(*arvados.UserActivateOptions))
                        },
                },
                {
                        arvados.EndpointUserSetup,
                        func() interface{} { return &arvados.UserSetupOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.UserSetup(ctx, *opts.(*arvados.UserSetupOptions))
+                               return rtr.backend.UserSetup(ctx, *opts.(*arvados.UserSetupOptions))
                        },
                },
                {
                        arvados.EndpointUserUnsetup,
                        func() interface{} { return &arvados.GetOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.UserUnsetup(ctx, *opts.(*arvados.GetOptions))
+                               return rtr.backend.UserUnsetup(ctx, *opts.(*arvados.GetOptions))
                        },
                },
                {
                        arvados.EndpointUserGetCurrent,
                        func() interface{} { return &arvados.GetOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.UserGetCurrent(ctx, *opts.(*arvados.GetOptions))
+                               return rtr.backend.UserGetCurrent(ctx, *opts.(*arvados.GetOptions))
                        },
                },
                {
                        arvados.EndpointUserGetSystem,
                        func() interface{} { return &arvados.GetOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.UserGetSystem(ctx, *opts.(*arvados.GetOptions))
+                               return rtr.backend.UserGetSystem(ctx, *opts.(*arvados.GetOptions))
                        },
                },
                {
                        arvados.EndpointUserGet,
                        func() interface{} { return &arvados.GetOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.UserGet(ctx, *opts.(*arvados.GetOptions))
-                       },
-               },
-               {
-                       arvados.EndpointUserUpdateUUID,
-                       func() interface{} { return &arvados.UpdateUUIDOptions{} },
-                       func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.UserUpdateUUID(ctx, *opts.(*arvados.UpdateUUIDOptions))
+                               return rtr.backend.UserGet(ctx, *opts.(*arvados.GetOptions))
                        },
                },
                {
                        arvados.EndpointUserUpdate,
                        func() interface{} { return &arvados.UpdateOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.UserUpdate(ctx, *opts.(*arvados.UpdateOptions))
+                               return rtr.backend.UserUpdate(ctx, *opts.(*arvados.UpdateOptions))
                        },
                },
                {
                        arvados.EndpointUserList,
                        func() interface{} { return &arvados.ListOptions{Limit: -1} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.UserList(ctx, *opts.(*arvados.ListOptions))
+                               return rtr.backend.UserList(ctx, *opts.(*arvados.ListOptions))
                        },
                },
                {
                        arvados.EndpointUserBatchUpdate,
                        func() interface{} { return &arvados.UserBatchUpdateOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.UserBatchUpdate(ctx, *opts.(*arvados.UserBatchUpdateOptions))
+                               return rtr.backend.UserBatchUpdate(ctx, *opts.(*arvados.UserBatchUpdateOptions))
                        },
                },
                {
                        arvados.EndpointUserDelete,
                        func() interface{} { return &arvados.DeleteOptions{} },
                        func(ctx context.Context, opts interface{}) (interface{}, error) {
-                               return rtr.fed.UserDelete(ctx, *opts.(*arvados.DeleteOptions))
+                               return rtr.backend.UserDelete(ctx, *opts.(*arvados.DeleteOptions))
+                       },
+               },
+               {
+                       arvados.EndpointUserAuthenticate,
+                       func() interface{} { return &arvados.UserAuthenticateOptions{} },
+                       func(ctx context.Context, opts interface{}) (interface{}, error) {
+                               return rtr.backend.UserAuthenticate(ctx, *opts.(*arvados.UserAuthenticateOptions))
                        },
                },
        } {
-               rtr.addRoute(route.endpoint, route.defaultOpts, route.exec)
-               if route.endpoint.Method == "PATCH" {
-                       // Accept PUT as a synonym for PATCH.
-                       endpointPUT := route.endpoint
-                       endpointPUT.Method = "PUT"
-                       rtr.addRoute(endpointPUT, route.defaultOpts, route.exec)
+               exec := route.exec
+               if rtr.config.WrapCalls != nil {
+                       exec = rtr.config.WrapCalls(exec)
                }
+               rtr.addRoute(route.endpoint, route.defaultOpts, exec)
        }
        rtr.mux.NotFoundHandler = http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
                httpserver.Errors(w, []string{"API endpoint not found"}, http.StatusNotFound)
@@ -313,8 +532,17 @@ func (rtr *router) addRoutes() {
        })
 }
 
-func (rtr *router) addRoute(endpoint arvados.APIEndpoint, defaultOpts func() interface{}, exec routableFunc) {
-       rtr.mux.Methods(endpoint.Method).Path("/" + endpoint.Path).HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
+var altMethod = map[string]string{
+       "PATCH": "PUT",  // Accept PUT as a synonym for PATCH
+       "GET":   "HEAD", // Accept HEAD at any GET route
+}
+
+func (rtr *router) addRoute(endpoint arvados.APIEndpoint, defaultOpts func() interface{}, exec api.RoutableFunc) {
+       methods := []string{endpoint.Method}
+       if alt, ok := altMethod[endpoint.Method]; ok {
+               methods = append(methods, alt)
+       }
+       rtr.mux.Methods(methods...).Path("/" + endpoint.Path).HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
                logger := ctxlog.FromContext(req.Context())
                params, err := rtr.loadRequestParams(req, endpoint.AttrsKey)
                if err != nil {
@@ -360,6 +588,23 @@ func (rtr *router) addRoute(endpoint arvados.APIEndpoint, defaultOpts func() int
                        "apiOptsType": fmt.Sprintf("%T", opts),
                        "apiOpts":     opts,
                }).Debug("exec")
+               // Extract the token UUIDs (or a placeholder for v1 tokens)
+               var tokenUUIDs []string
+               for _, t := range creds.Tokens {
+                       if strings.HasPrefix(t, "v2/") {
+                               tokenParts := strings.Split(t, "/")
+                               if len(tokenParts) >= 3 {
+                                       tokenUUIDs = append(tokenUUIDs, tokenParts[1])
+                               }
+                       } else {
+                               end := t
+                               if len(t) > 5 {
+                                       end = t[len(t)-5:]
+                               }
+                               tokenUUIDs = append(tokenUUIDs, "v1 token ending in "+end)
+                       }
+               }
+               httpserver.SetResponseLogFields(req.Context(), logrus.Fields{"tokenUUIDs": tokenUUIDs})
                resp, err := exec(ctx, opts)
                if err != nil {
                        logger.WithError(err).Debugf("returning error type %T", err)
@@ -376,21 +621,41 @@ func (rtr *router) ServeHTTP(w http.ResponseWriter, r *http.Request) {
        default:
                w.Header().Set("Access-Control-Allow-Origin", "*")
                w.Header().Set("Access-Control-Allow-Methods", "GET, HEAD, PUT, POST, PATCH, DELETE")
-               w.Header().Set("Access-Control-Allow-Headers", "Authorization, Content-Type")
+               w.Header().Set("Access-Control-Allow-Headers", "Authorization, Content-Type, X-Http-Method-Override")
                w.Header().Set("Access-Control-Max-Age", "86486400")
        }
        if r.Method == "OPTIONS" {
                return
        }
-       r.ParseForm()
-       if m := r.FormValue("_method"); m != "" {
-               r2 := *r
-               r = &r2
-               r.Method = m
-       } else if m = r.Header.Get("X-Http-Method-Override"); m != "" {
-               r2 := *r
-               r = &r2
-               r.Method = m
+       if r.Body != nil {
+               // Wrap r.Body in a http.MaxBytesReader(), otherwise
+               // r.ParseForm() uses a default max request body size
+               // of 10 megabytes. Note we rely on the Nginx
+               // configuration to enforce the real max body size.
+               max := int64(rtr.config.MaxRequestSize)
+               if max < 1 {
+                       max = math.MaxInt64 - 1
+               }
+               r.Body = http.MaxBytesReader(w, r.Body, max)
+       }
+       if r.Method == "POST" {
+               err := r.ParseForm()
+               if err != nil {
+                       if err.Error() == "http: request body too large" {
+                               err = httpError(http.StatusRequestEntityTooLarge, err)
+                       }
+                       rtr.sendError(w, err)
+                       return
+               }
+               if m := r.FormValue("_method"); m != "" {
+                       r2 := *r
+                       r = &r2
+                       r.Method = m
+               } else if m = r.Header.Get("X-Http-Method-Override"); m != "" {
+                       r2 := *r
+                       r = &r2
+                       r.Method = m
+               }
        }
        rtr.mux.ServeHTTP(w, r)
 }