dendrite/roomserver/api/alias.go

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// Copyright 2017 Vector Creations Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package api
import (
"context"
"net/http"
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commonHTTP "github.com/matrix-org/dendrite/common/http"
opentracing "github.com/opentracing/opentracing-go"
)
// SetRoomAliasRequest is a request to SetRoomAlias
type SetRoomAliasRequest struct {
// ID of the user setting the alias
UserID string `json:"user_id"`
// New alias for the room
Alias string `json:"alias"`
// The room ID the alias is referring to
RoomID string `json:"room_id"`
}
// SetRoomAliasResponse is a response to SetRoomAlias
type SetRoomAliasResponse struct {
// Does the alias already refer to a room?
AliasExists bool `json:"alias_exists"`
}
// GetRoomIDForAliasRequest is a request to GetRoomIDForAlias
type GetRoomIDForAliasRequest struct {
// Alias we want to lookup
Alias string `json:"alias"`
}
// GetRoomIDForAliasResponse is a response to GetRoomIDForAlias
type GetRoomIDForAliasResponse struct {
// The room ID the alias refers to
RoomID string `json:"room_id"`
}
// GetAliasesForRoomIDRequest is a request to GetAliasesForRoomID
type GetAliasesForRoomIDRequest struct {
// The room ID we want to find aliases for
RoomID string `json:"room_id"`
}
// GetAliasesForRoomIDResponse is a response to GetAliasesForRoomID
type GetAliasesForRoomIDResponse struct {
// The aliases the alias refers to
Aliases []string `json:"aliases"`
}
// RemoveRoomAliasRequest is a request to RemoveRoomAlias
type RemoveRoomAliasRequest struct {
// ID of the user removing the alias
UserID string `json:"user_id"`
// The room alias to remove
Alias string `json:"alias"`
}
// RemoveRoomAliasResponse is a response to RemoveRoomAlias
type RemoveRoomAliasResponse struct{}
// RoomserverAliasAPI is used to save, lookup or remove a room alias
type RoomserverAliasAPI interface {
// Set a room alias
SetRoomAlias(
ctx context.Context,
req *SetRoomAliasRequest,
response *SetRoomAliasResponse,
) error
// Get the room ID for an alias
GetRoomIDForAlias(
ctx context.Context,
req *GetRoomIDForAliasRequest,
response *GetRoomIDForAliasResponse,
) error
// Get all known aliases for a room ID
GetAliasesForRoomID(
ctx context.Context,
req *GetAliasesForRoomIDRequest,
response *GetAliasesForRoomIDResponse,
) error
// Remove a room alias
RemoveRoomAlias(
ctx context.Context,
req *RemoveRoomAliasRequest,
response *RemoveRoomAliasResponse,
) error
}
// RoomserverSetRoomAliasPath is the HTTP path for the SetRoomAlias API.
const RoomserverSetRoomAliasPath = "/api/roomserver/setRoomAlias"
// RoomserverGetRoomIDForAliasPath is the HTTP path for the GetRoomIDForAlias API.
const RoomserverGetRoomIDForAliasPath = "/api/roomserver/GetRoomIDForAlias"
// RoomserverGetAliasesForRoomIDPath is the HTTP path for the GetAliasesForRoomID API.
const RoomserverGetAliasesForRoomIDPath = "/api/roomserver/GetAliasesForRoomID"
// RoomserverRemoveRoomAliasPath is the HTTP path for the RemoveRoomAlias API.
const RoomserverRemoveRoomAliasPath = "/api/roomserver/removeRoomAlias"
// NewRoomserverAliasAPIHTTP creates a RoomserverAliasAPI implemented by talking to a HTTP POST API.
// If httpClient is nil then it uses the http.DefaultClient
func NewRoomserverAliasAPIHTTP(roomserverURL string, httpClient *http.Client) RoomserverAliasAPI {
if httpClient == nil {
httpClient = http.DefaultClient
}
return &httpRoomserverAliasAPI{roomserverURL, httpClient}
}
type httpRoomserverAliasAPI struct {
roomserverURL string
httpClient *http.Client
}
// SetRoomAlias implements RoomserverAliasAPI
func (h *httpRoomserverAliasAPI) SetRoomAlias(
ctx context.Context,
request *SetRoomAliasRequest,
response *SetRoomAliasResponse,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "SetRoomAlias")
defer span.Finish()
apiURL := h.roomserverURL + RoomserverSetRoomAliasPath
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return commonHTTP.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
}
// GetRoomIDForAlias implements RoomserverAliasAPI
func (h *httpRoomserverAliasAPI) GetRoomIDForAlias(
ctx context.Context,
request *GetRoomIDForAliasRequest,
response *GetRoomIDForAliasResponse,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "GetRoomIDForAlias")
defer span.Finish()
apiURL := h.roomserverURL + RoomserverGetRoomIDForAliasPath
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return commonHTTP.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
}
// GetAliasesForRoomID implements RoomserverAliasAPI
func (h *httpRoomserverAliasAPI) GetAliasesForRoomID(
ctx context.Context,
request *GetAliasesForRoomIDRequest,
response *GetAliasesForRoomIDResponse,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "GetAliasesForRoomID")
defer span.Finish()
apiURL := h.roomserverURL + RoomserverGetAliasesForRoomIDPath
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return commonHTTP.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
}
// RemoveRoomAlias implements RoomserverAliasAPI
func (h *httpRoomserverAliasAPI) RemoveRoomAlias(
ctx context.Context,
request *RemoveRoomAliasRequest,
response *RemoveRoomAliasResponse,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "RemoveRoomAlias")
defer span.Finish()
apiURL := h.roomserverURL + RoomserverRemoveRoomAliasPath
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return commonHTTP.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
}