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dendrite/federationapi/inthttp/client.go
kegsay 85704eff20
Clean up interface definitions (#2427)
* tidy up interfaces

* remove unused GetCreatorIDForAlias

* Add RoomserverUserAPI interface

* Define more interfaces

* Use AppServiceInternalAPI for consistent naming

* clean up federationapi constructor a bit

* Fix monolith in -http mode
2022-05-06 12:39:26 +01:00

634 lines
21 KiB
Go

package inthttp
import (
"context"
"errors"
"net/http"
"github.com/matrix-org/dendrite/federationapi/api"
"github.com/matrix-org/dendrite/internal/caching"
"github.com/matrix-org/dendrite/internal/httputil"
"github.com/matrix-org/gomatrix"
"github.com/matrix-org/gomatrixserverlib"
"github.com/opentracing/opentracing-go"
)
// HTTP paths for the internal HTTP API
const (
FederationAPIQueryJoinedHostServerNamesInRoomPath = "/federationapi/queryJoinedHostServerNamesInRoom"
FederationAPIQueryServerKeysPath = "/federationapi/queryServerKeys"
FederationAPIPerformDirectoryLookupRequestPath = "/federationapi/performDirectoryLookup"
FederationAPIPerformJoinRequestPath = "/federationapi/performJoinRequest"
FederationAPIPerformLeaveRequestPath = "/federationapi/performLeaveRequest"
FederationAPIPerformInviteRequestPath = "/federationapi/performInviteRequest"
FederationAPIPerformOutboundPeekRequestPath = "/federationapi/performOutboundPeekRequest"
FederationAPIPerformBroadcastEDUPath = "/federationapi/performBroadcastEDU"
FederationAPIGetUserDevicesPath = "/federationapi/client/getUserDevices"
FederationAPIClaimKeysPath = "/federationapi/client/claimKeys"
FederationAPIQueryKeysPath = "/federationapi/client/queryKeys"
FederationAPIBackfillPath = "/federationapi/client/backfill"
FederationAPILookupStatePath = "/federationapi/client/lookupState"
FederationAPILookupStateIDsPath = "/federationapi/client/lookupStateIDs"
FederationAPILookupMissingEventsPath = "/federationapi/client/lookupMissingEvents"
FederationAPIGetEventPath = "/federationapi/client/getEvent"
FederationAPILookupServerKeysPath = "/federationapi/client/lookupServerKeys"
FederationAPIEventRelationshipsPath = "/federationapi/client/msc2836eventRelationships"
FederationAPISpacesSummaryPath = "/federationapi/client/msc2946spacesSummary"
FederationAPIGetEventAuthPath = "/federationapi/client/getEventAuth"
FederationAPIInputPublicKeyPath = "/federationapi/inputPublicKey"
FederationAPIQueryPublicKeyPath = "/federationapi/queryPublicKey"
)
// NewFederationAPIClient creates a FederationInternalAPI implemented by talking to a HTTP POST API.
// If httpClient is nil an error is returned
func NewFederationAPIClient(federationSenderURL string, httpClient *http.Client, cache caching.ServerKeyCache) (api.FederationInternalAPI, error) {
if httpClient == nil {
return nil, errors.New("NewFederationInternalAPIHTTP: httpClient is <nil>")
}
return &httpFederationInternalAPI{federationSenderURL, httpClient, cache}, nil
}
type httpFederationInternalAPI struct {
federationAPIURL string
httpClient *http.Client
cache caching.ServerKeyCache
}
// Handle an instruction to make_leave & send_leave with a remote server.
func (h *httpFederationInternalAPI) PerformLeave(
ctx context.Context,
request *api.PerformLeaveRequest,
response *api.PerformLeaveResponse,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "PerformLeaveRequest")
defer span.Finish()
apiURL := h.federationAPIURL + FederationAPIPerformLeaveRequestPath
return httputil.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
}
// Handle sending an invite to a remote server.
func (h *httpFederationInternalAPI) PerformInvite(
ctx context.Context,
request *api.PerformInviteRequest,
response *api.PerformInviteResponse,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "PerformInviteRequest")
defer span.Finish()
apiURL := h.federationAPIURL + FederationAPIPerformInviteRequestPath
return httputil.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
}
// Handle starting a peek on a remote server.
func (h *httpFederationInternalAPI) PerformOutboundPeek(
ctx context.Context,
request *api.PerformOutboundPeekRequest,
response *api.PerformOutboundPeekResponse,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "PerformOutboundPeekRequest")
defer span.Finish()
apiURL := h.federationAPIURL + FederationAPIPerformOutboundPeekRequestPath
return httputil.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
}
// QueryJoinedHostServerNamesInRoom implements FederationInternalAPI
func (h *httpFederationInternalAPI) QueryJoinedHostServerNamesInRoom(
ctx context.Context,
request *api.QueryJoinedHostServerNamesInRoomRequest,
response *api.QueryJoinedHostServerNamesInRoomResponse,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "QueryJoinedHostServerNamesInRoom")
defer span.Finish()
apiURL := h.federationAPIURL + FederationAPIQueryJoinedHostServerNamesInRoomPath
return httputil.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
}
// Handle an instruction to make_join & send_join with a remote server.
func (h *httpFederationInternalAPI) PerformJoin(
ctx context.Context,
request *api.PerformJoinRequest,
response *api.PerformJoinResponse,
) {
span, ctx := opentracing.StartSpanFromContext(ctx, "PerformJoinRequest")
defer span.Finish()
apiURL := h.federationAPIURL + FederationAPIPerformJoinRequestPath
err := httputil.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
if err != nil {
response.LastError = &gomatrix.HTTPError{
Message: err.Error(),
Code: 0,
WrappedError: err,
}
}
}
// Handle an instruction to make_join & send_join with a remote server.
func (h *httpFederationInternalAPI) PerformDirectoryLookup(
ctx context.Context,
request *api.PerformDirectoryLookupRequest,
response *api.PerformDirectoryLookupResponse,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "PerformDirectoryLookup")
defer span.Finish()
apiURL := h.federationAPIURL + FederationAPIPerformDirectoryLookupRequestPath
return httputil.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
}
// Handle an instruction to broadcast an EDU to all servers in rooms we are joined to.
func (h *httpFederationInternalAPI) PerformBroadcastEDU(
ctx context.Context,
request *api.PerformBroadcastEDURequest,
response *api.PerformBroadcastEDUResponse,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "PerformBroadcastEDU")
defer span.Finish()
apiURL := h.federationAPIURL + FederationAPIPerformBroadcastEDUPath
return httputil.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
}
type getUserDevices struct {
S gomatrixserverlib.ServerName
UserID string
Res *gomatrixserverlib.RespUserDevices
Err *api.FederationClientError
}
func (h *httpFederationInternalAPI) GetUserDevices(
ctx context.Context, s gomatrixserverlib.ServerName, userID string,
) (gomatrixserverlib.RespUserDevices, error) {
span, ctx := opentracing.StartSpanFromContext(ctx, "GetUserDevices")
defer span.Finish()
var result gomatrixserverlib.RespUserDevices
request := getUserDevices{
S: s,
UserID: userID,
}
var response getUserDevices
apiURL := h.federationAPIURL + FederationAPIGetUserDevicesPath
err := httputil.PostJSON(ctx, span, h.httpClient, apiURL, &request, &response)
if err != nil {
return result, err
}
if response.Err != nil {
return result, response.Err
}
return *response.Res, nil
}
type claimKeys struct {
S gomatrixserverlib.ServerName
OneTimeKeys map[string]map[string]string
Res *gomatrixserverlib.RespClaimKeys
Err *api.FederationClientError
}
func (h *httpFederationInternalAPI) ClaimKeys(
ctx context.Context, s gomatrixserverlib.ServerName, oneTimeKeys map[string]map[string]string,
) (gomatrixserverlib.RespClaimKeys, error) {
span, ctx := opentracing.StartSpanFromContext(ctx, "ClaimKeys")
defer span.Finish()
var result gomatrixserverlib.RespClaimKeys
request := claimKeys{
S: s,
OneTimeKeys: oneTimeKeys,
}
var response claimKeys
apiURL := h.federationAPIURL + FederationAPIClaimKeysPath
err := httputil.PostJSON(ctx, span, h.httpClient, apiURL, &request, &response)
if err != nil {
return result, err
}
if response.Err != nil {
return result, response.Err
}
return *response.Res, nil
}
type queryKeys struct {
S gomatrixserverlib.ServerName
Keys map[string][]string
Res *gomatrixserverlib.RespQueryKeys
Err *api.FederationClientError
}
func (h *httpFederationInternalAPI) QueryKeys(
ctx context.Context, s gomatrixserverlib.ServerName, keys map[string][]string,
) (gomatrixserverlib.RespQueryKeys, error) {
span, ctx := opentracing.StartSpanFromContext(ctx, "QueryKeys")
defer span.Finish()
var result gomatrixserverlib.RespQueryKeys
request := queryKeys{
S: s,
Keys: keys,
}
var response queryKeys
apiURL := h.federationAPIURL + FederationAPIQueryKeysPath
err := httputil.PostJSON(ctx, span, h.httpClient, apiURL, &request, &response)
if err != nil {
return result, err
}
if response.Err != nil {
return result, response.Err
}
return *response.Res, nil
}
type backfill struct {
S gomatrixserverlib.ServerName
RoomID string
Limit int
EventIDs []string
Res *gomatrixserverlib.Transaction
Err *api.FederationClientError
}
func (h *httpFederationInternalAPI) Backfill(
ctx context.Context, s gomatrixserverlib.ServerName, roomID string, limit int, eventIDs []string,
) (gomatrixserverlib.Transaction, error) {
span, ctx := opentracing.StartSpanFromContext(ctx, "Backfill")
defer span.Finish()
request := backfill{
S: s,
RoomID: roomID,
Limit: limit,
EventIDs: eventIDs,
}
var response backfill
apiURL := h.federationAPIURL + FederationAPIBackfillPath
err := httputil.PostJSON(ctx, span, h.httpClient, apiURL, &request, &response)
if err != nil {
return gomatrixserverlib.Transaction{}, err
}
if response.Err != nil {
return gomatrixserverlib.Transaction{}, response.Err
}
return *response.Res, nil
}
type lookupState struct {
S gomatrixserverlib.ServerName
RoomID string
EventID string
RoomVersion gomatrixserverlib.RoomVersion
Res *gomatrixserverlib.RespState
Err *api.FederationClientError
}
func (h *httpFederationInternalAPI) LookupState(
ctx context.Context, s gomatrixserverlib.ServerName, roomID, eventID string, roomVersion gomatrixserverlib.RoomVersion,
) (gomatrixserverlib.RespState, error) {
span, ctx := opentracing.StartSpanFromContext(ctx, "LookupState")
defer span.Finish()
request := lookupState{
S: s,
RoomID: roomID,
EventID: eventID,
RoomVersion: roomVersion,
}
var response lookupState
apiURL := h.federationAPIURL + FederationAPILookupStatePath
err := httputil.PostJSON(ctx, span, h.httpClient, apiURL, &request, &response)
if err != nil {
return gomatrixserverlib.RespState{}, err
}
if response.Err != nil {
return gomatrixserverlib.RespState{}, response.Err
}
return *response.Res, nil
}
type lookupStateIDs struct {
S gomatrixserverlib.ServerName
RoomID string
EventID string
Res *gomatrixserverlib.RespStateIDs
Err *api.FederationClientError
}
func (h *httpFederationInternalAPI) LookupStateIDs(
ctx context.Context, s gomatrixserverlib.ServerName, roomID, eventID string,
) (gomatrixserverlib.RespStateIDs, error) {
span, ctx := opentracing.StartSpanFromContext(ctx, "LookupStateIDs")
defer span.Finish()
request := lookupStateIDs{
S: s,
RoomID: roomID,
EventID: eventID,
}
var response lookupStateIDs
apiURL := h.federationAPIURL + FederationAPILookupStateIDsPath
err := httputil.PostJSON(ctx, span, h.httpClient, apiURL, &request, &response)
if err != nil {
return gomatrixserverlib.RespStateIDs{}, err
}
if response.Err != nil {
return gomatrixserverlib.RespStateIDs{}, response.Err
}
return *response.Res, nil
}
type lookupMissingEvents struct {
S gomatrixserverlib.ServerName
RoomID string
Missing gomatrixserverlib.MissingEvents
RoomVersion gomatrixserverlib.RoomVersion
Res struct {
Events []gomatrixserverlib.RawJSON `json:"events"`
}
Err *api.FederationClientError
}
func (h *httpFederationInternalAPI) LookupMissingEvents(
ctx context.Context, s gomatrixserverlib.ServerName, roomID string,
missing gomatrixserverlib.MissingEvents, roomVersion gomatrixserverlib.RoomVersion,
) (res gomatrixserverlib.RespMissingEvents, err error) {
span, ctx := opentracing.StartSpanFromContext(ctx, "LookupMissingEvents")
defer span.Finish()
request := lookupMissingEvents{
S: s,
RoomID: roomID,
Missing: missing,
RoomVersion: roomVersion,
}
apiURL := h.federationAPIURL + FederationAPILookupMissingEventsPath
err = httputil.PostJSON(ctx, span, h.httpClient, apiURL, &request, &request)
if err != nil {
return res, err
}
if request.Err != nil {
return res, request.Err
}
res.Events = request.Res.Events
return res, nil
}
type getEvent struct {
S gomatrixserverlib.ServerName
EventID string
Res *gomatrixserverlib.Transaction
Err *api.FederationClientError
}
func (h *httpFederationInternalAPI) GetEvent(
ctx context.Context, s gomatrixserverlib.ServerName, eventID string,
) (gomatrixserverlib.Transaction, error) {
span, ctx := opentracing.StartSpanFromContext(ctx, "GetEvent")
defer span.Finish()
request := getEvent{
S: s,
EventID: eventID,
}
var response getEvent
apiURL := h.federationAPIURL + FederationAPIGetEventPath
err := httputil.PostJSON(ctx, span, h.httpClient, apiURL, &request, &response)
if err != nil {
return gomatrixserverlib.Transaction{}, err
}
if response.Err != nil {
return gomatrixserverlib.Transaction{}, response.Err
}
return *response.Res, nil
}
type getEventAuth struct {
S gomatrixserverlib.ServerName
RoomVersion gomatrixserverlib.RoomVersion
RoomID string
EventID string
Res *gomatrixserverlib.RespEventAuth
Err *api.FederationClientError
}
func (h *httpFederationInternalAPI) GetEventAuth(
ctx context.Context, s gomatrixserverlib.ServerName,
roomVersion gomatrixserverlib.RoomVersion, roomID, eventID string,
) (gomatrixserverlib.RespEventAuth, error) {
span, ctx := opentracing.StartSpanFromContext(ctx, "GetEventAuth")
defer span.Finish()
request := getEventAuth{
S: s,
RoomVersion: roomVersion,
RoomID: roomID,
EventID: eventID,
}
var response getEventAuth
apiURL := h.federationAPIURL + FederationAPIGetEventAuthPath
err := httputil.PostJSON(ctx, span, h.httpClient, apiURL, &request, &response)
if err != nil {
return gomatrixserverlib.RespEventAuth{}, err
}
if response.Err != nil {
return gomatrixserverlib.RespEventAuth{}, response.Err
}
return *response.Res, nil
}
func (h *httpFederationInternalAPI) QueryServerKeys(
ctx context.Context, req *api.QueryServerKeysRequest, res *api.QueryServerKeysResponse,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "QueryServerKeys")
defer span.Finish()
apiURL := h.federationAPIURL + FederationAPIQueryServerKeysPath
return httputil.PostJSON(ctx, span, h.httpClient, apiURL, req, res)
}
type lookupServerKeys struct {
S gomatrixserverlib.ServerName
KeyRequests map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp
ServerKeys []gomatrixserverlib.ServerKeys
Err *api.FederationClientError
}
func (h *httpFederationInternalAPI) LookupServerKeys(
ctx context.Context, s gomatrixserverlib.ServerName, keyRequests map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp,
) ([]gomatrixserverlib.ServerKeys, error) {
span, ctx := opentracing.StartSpanFromContext(ctx, "LookupServerKeys")
defer span.Finish()
request := lookupServerKeys{
S: s,
KeyRequests: keyRequests,
}
var response lookupServerKeys
apiURL := h.federationAPIURL + FederationAPILookupServerKeysPath
err := httputil.PostJSON(ctx, span, h.httpClient, apiURL, &request, &response)
if err != nil {
return []gomatrixserverlib.ServerKeys{}, err
}
if response.Err != nil {
return []gomatrixserverlib.ServerKeys{}, response.Err
}
return response.ServerKeys, nil
}
type eventRelationships struct {
S gomatrixserverlib.ServerName
Req gomatrixserverlib.MSC2836EventRelationshipsRequest
RoomVer gomatrixserverlib.RoomVersion
Res gomatrixserverlib.MSC2836EventRelationshipsResponse
Err *api.FederationClientError
}
func (h *httpFederationInternalAPI) MSC2836EventRelationships(
ctx context.Context, s gomatrixserverlib.ServerName, r gomatrixserverlib.MSC2836EventRelationshipsRequest,
roomVersion gomatrixserverlib.RoomVersion,
) (res gomatrixserverlib.MSC2836EventRelationshipsResponse, err error) {
span, ctx := opentracing.StartSpanFromContext(ctx, "MSC2836EventRelationships")
defer span.Finish()
request := eventRelationships{
S: s,
Req: r,
RoomVer: roomVersion,
}
var response eventRelationships
apiURL := h.federationAPIURL + FederationAPIEventRelationshipsPath
err = httputil.PostJSON(ctx, span, h.httpClient, apiURL, &request, &response)
if err != nil {
return res, err
}
if response.Err != nil {
return res, response.Err
}
return response.Res, nil
}
type spacesReq struct {
S gomatrixserverlib.ServerName
SuggestedOnly bool
RoomID string
Res gomatrixserverlib.MSC2946SpacesResponse
Err *api.FederationClientError
}
func (h *httpFederationInternalAPI) MSC2946Spaces(
ctx context.Context, dst gomatrixserverlib.ServerName, roomID string, suggestedOnly bool,
) (res gomatrixserverlib.MSC2946SpacesResponse, err error) {
span, ctx := opentracing.StartSpanFromContext(ctx, "MSC2946Spaces")
defer span.Finish()
request := spacesReq{
S: dst,
SuggestedOnly: suggestedOnly,
RoomID: roomID,
}
var response spacesReq
apiURL := h.federationAPIURL + FederationAPISpacesSummaryPath
err = httputil.PostJSON(ctx, span, h.httpClient, apiURL, &request, &response)
if err != nil {
return res, err
}
if response.Err != nil {
return res, response.Err
}
return response.Res, nil
}
func (s *httpFederationInternalAPI) KeyRing() *gomatrixserverlib.KeyRing {
// This is a bit of a cheat - we tell gomatrixserverlib that this API is
// both the key database and the key fetcher. While this does have the
// rather unfortunate effect of preventing gomatrixserverlib from handling
// key fetchers directly, we can at least reimplement this behaviour on
// the other end of the API.
return &gomatrixserverlib.KeyRing{
KeyDatabase: s,
KeyFetchers: []gomatrixserverlib.KeyFetcher{},
}
}
func (s *httpFederationInternalAPI) FetcherName() string {
return "httpServerKeyInternalAPI"
}
func (s *httpFederationInternalAPI) StoreKeys(
_ context.Context,
results map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult,
) error {
// Run in a background context - we don't want to stop this work just
// because the caller gives up waiting.
ctx := context.Background()
request := api.InputPublicKeysRequest{
Keys: make(map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult),
}
response := api.InputPublicKeysResponse{}
for req, res := range results {
request.Keys[req] = res
s.cache.StoreServerKey(req, res)
}
return s.InputPublicKeys(ctx, &request, &response)
}
func (s *httpFederationInternalAPI) FetchKeys(
_ context.Context,
requests map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp,
) (map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult, error) {
// Run in a background context - we don't want to stop this work just
// because the caller gives up waiting.
ctx := context.Background()
result := make(map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult)
request := api.QueryPublicKeysRequest{
Requests: make(map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp),
}
response := api.QueryPublicKeysResponse{
Results: make(map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult),
}
for req, ts := range requests {
if res, ok := s.cache.GetServerKey(req, ts); ok {
result[req] = res
continue
}
request.Requests[req] = ts
}
err := s.QueryPublicKeys(ctx, &request, &response)
if err != nil {
return nil, err
}
for req, res := range response.Results {
result[req] = res
s.cache.StoreServerKey(req, res)
}
return result, nil
}
func (h *httpFederationInternalAPI) InputPublicKeys(
ctx context.Context,
request *api.InputPublicKeysRequest,
response *api.InputPublicKeysResponse,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "InputPublicKey")
defer span.Finish()
apiURL := h.federationAPIURL + FederationAPIInputPublicKeyPath
return httputil.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
}
func (h *httpFederationInternalAPI) QueryPublicKeys(
ctx context.Context,
request *api.QueryPublicKeysRequest,
response *api.QueryPublicKeysResponse,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "QueryPublicKey")
defer span.Finish()
apiURL := h.federationAPIURL + FederationAPIQueryPublicKeyPath
return httputil.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
}