dendrite/federationsender/api/query.go
Alex Chen 5eb63f1d1e
Add joined hosts query APIs (#781)
This adds two joined hosts query APIs to the federation sender for use of other components.
2019-08-22 19:47:52 +08:00

99 lines
3.8 KiB
Go

package api
import (
"context"
"net/http"
commonHTTP "github.com/matrix-org/dendrite/common/http"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/dendrite/federationsender/types"
"github.com/opentracing/opentracing-go"
)
// QueryJoinedHostsInRoomRequest is a request to QueryJoinedHostsInRoom
type QueryJoinedHostsInRoomRequest struct {
RoomID string `json:"room_id"`
}
// QueryJoinedHostsInRoomResponse is a response to QueryJoinedHostsInRoom
type QueryJoinedHostsInRoomResponse struct {
JoinedHosts []types.JoinedHost `json:"joined_hosts"`
}
// QueryJoinedHostServerNamesRequest is a request to QueryJoinedHostServerNames
type QueryJoinedHostServerNamesInRoomRequest struct {
RoomID string `json:"room_id"`
}
// QueryJoinedHostServerNamesResponse is a response to QueryJoinedHostServerNames
type QueryJoinedHostServerNamesInRoomResponse struct {
ServerNames []gomatrixserverlib.ServerName `json:"server_names"`
}
// FederationSenderQueryAPI is used to query information from the federation sender.
type FederationSenderQueryAPI interface {
// Query the joined hosts and the membership events accounting for their participation in a room.
// Note that if a server has multiple users in the room, it will have multiple entries in the returned slice.
// See `QueryJoinedHostServerNamesInRoom` for a de-duplicated version.
QueryJoinedHostsInRoom(
ctx context.Context,
request *QueryJoinedHostsInRoomRequest,
response *QueryJoinedHostsInRoomResponse,
) error
// Query the server names of the joined hosts in a room.
// Unlike QueryJoinedHostsInRoom, this function returns a de-duplicated slice
// containing only the server names (without information for membership events).
QueryJoinedHostServerNamesInRoom(
ctx context.Context,
request *QueryJoinedHostServerNamesInRoomRequest,
response *QueryJoinedHostServerNamesInRoomResponse,
) error
}
// FederationSenderQueryJoinedHostsInRoomPath is the HTTP path for the QueryJoinedHostsInRoom API.
const FederationSenderQueryJoinedHostsInRoomPath = "/api/federationsender/queryJoinedHostsInRoom"
// FederationSenderQueryJoinedHostServerNamesInRoomPath is the HTTP path for the QueryJoinedHostServerNamesInRoom API.
const FederationSenderQueryJoinedHostServerNamesInRoomPath = "/api/federationsender/queryJoinedHostServerNamesInRoom"
// NewFederationSenderQueryAPIHTTP creates a FederationSenderQueryAPI implemented by talking to a HTTP POST API.
// If httpClient is nil then it uses the http.DefaultClient
func NewFederationSenderQueryAPIHTTP(federationSenderURL string, httpClient *http.Client) FederationSenderQueryAPI {
if httpClient == nil {
httpClient = http.DefaultClient
}
return &httpFederationSenderQueryAPI{federationSenderURL, httpClient}
}
type httpFederationSenderQueryAPI struct {
federationSenderURL string
httpClient *http.Client
}
// QueryJoinedHostsInRoom implements FederationSenderQueryAPI
func (h *httpFederationSenderQueryAPI) QueryJoinedHostsInRoom(
ctx context.Context,
request *QueryJoinedHostsInRoomRequest,
response *QueryJoinedHostsInRoomResponse,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "QueryJoinedHostsInRoom")
defer span.Finish()
apiURL := h.federationSenderURL + FederationSenderQueryJoinedHostsInRoomPath
return commonHTTP.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
}
// QueryJoinedHostServerNamesInRoom implements FederationSenderQueryAPI
func (h *httpFederationSenderQueryAPI) QueryJoinedHostServerNamesInRoom(
ctx context.Context,
request *QueryJoinedHostServerNamesInRoomRequest,
response *QueryJoinedHostServerNamesInRoomResponse,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "QueryJoinedHostServerNamesInRoom")
defer span.Finish()
apiURL := h.federationSenderURL + FederationSenderQueryJoinedHostServerNamesInRoomPath
return commonHTTP.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
}