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Fix permission and 404 response for alias deletion - #654 (#706)

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Alex Chen 2019-08-07 11:00:58 +08:00 committed by GitHub
parent 8c721b555e
commit 94ea325c93
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 135 additions and 14 deletions
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25
clientapi/routing/directory.go
View file

@ -164,13 +164,36 @@ func SetLocalAlias(
}
// RemoveLocalAlias implements DELETE /directory/room/{roomAlias}
// TODO: Check if the user has the power level to remove an alias
func RemoveLocalAlias(
req *http.Request,
device *authtypes.Device,
alias string,
aliasAPI roomserverAPI.RoomserverAliasAPI,
) util.JSONResponse {
creatorQueryReq := roomserverAPI.GetCreatorIDForAliasRequest{
Alias: alias,
}
var creatorQueryRes roomserverAPI.GetCreatorIDForAliasResponse
if err := aliasAPI.GetCreatorIDForAlias(req.Context(), &creatorQueryReq, &creatorQueryRes); err != nil {
return httputil.LogThenError(req, err)
}
if creatorQueryRes.UserID == "" {
return util.JSONResponse{
Code: http.StatusNotFound,
JSON: jsonerror.NotFound("Alias does not exist"),
}
}
if creatorQueryRes.UserID != device.UserID {
// TODO: Still allow deletion if user is admin
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("You do not have permission to delete this alias"),
}
}
queryReq := roomserverAPI.RemoveRoomAliasRequest{
Alias: alias,
UserID: device.UserID,

37
roomserver/alias/alias.go
View file

@ -33,13 +33,16 @@ import (
type RoomserverAliasAPIDatabase interface {
// Save a given room alias with the room ID it refers to.
// Returns an error if there was a problem talking to the database.
SetRoomAlias(ctx context.Context, alias string, roomID string) error
SetRoomAlias(ctx context.Context, alias string, roomID string, creatorUserID string) error
// Look up the room ID a given alias refers to.
// Returns an error if there was a problem talking to the database.
GetRoomIDForAlias(ctx context.Context, alias string) (string, error)
// Look up all aliases referring to a given room ID.
// Returns an error if there was a problem talking to the database.
GetAliasesForRoomID(ctx context.Context, roomID string) ([]string, error)
// Get the user ID of the creator of an alias.
// Returns an error if there was a problem talking to the database.
GetCreatorIDForAlias(ctx context.Context, alias string) (string, error)
// Remove a given room alias.
// Returns an error if there was a problem talking to the database.
RemoveRoomAlias(ctx context.Context, alias string) error
@ -73,7 +76,7 @@ func (r *RoomserverAliasAPI) SetRoomAlias(
response.AliasExists = false
// Save the new alias
if err := r.DB.SetRoomAlias(ctx, request.Alias, request.RoomID); err != nil {
if err := r.DB.SetRoomAlias(ctx, request.Alias, request.RoomID, request.UserID); err != nil {
return err
}
@ -133,6 +136,22 @@ func (r *RoomserverAliasAPI) GetAliasesForRoomID(
return nil
}
// GetCreatorIDForAlias implements alias.RoomserverAliasAPI
func (r *RoomserverAliasAPI) GetCreatorIDForAlias(
ctx context.Context,
request *roomserverAPI.GetCreatorIDForAliasRequest,
response *roomserverAPI.GetCreatorIDForAliasResponse,
) error {
// Look up the aliases in the database for the given RoomID
creatorID, err := r.DB.GetCreatorIDForAlias(ctx, request.Alias)
if err != nil {
return err
}
response.UserID = creatorID
return nil
}
// RemoveRoomAlias implements alias.RoomserverAliasAPI
func (r *RoomserverAliasAPI) RemoveRoomAlias(
ctx context.Context,
@ -277,6 +296,20 @@ func (r *RoomserverAliasAPI) SetupHTTP(servMux *http.ServeMux) {
return util.JSONResponse{Code: http.StatusOK, JSON: &response}
}),
)
servMux.Handle(
roomserverAPI.RoomserverGetCreatorIDForAliasPath,
common.MakeInternalAPI("GetCreatorIDForAlias", func(req *http.Request) util.JSONResponse {
var request roomserverAPI.GetCreatorIDForAliasRequest
var response roomserverAPI.GetCreatorIDForAliasResponse
if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
return util.ErrorResponse(err)
}
if err := r.GetCreatorIDForAlias(req.Context(), &request, &response); err != nil {
return util.ErrorResponse(err)
}
return util.JSONResponse{Code: http.StatusOK, JSON: &response}
}),
)
servMux.Handle(
roomserverAPI.RoomserverGetAliasesForRoomIDPath,
common.MakeInternalAPI("getAliasesForRoomID", func(req *http.Request) util.JSONResponse {

8
roomserver/alias/alias_test.go
View file

@ -30,7 +30,7 @@ type MockRoomserverAliasAPIDatabase struct {
}
// These methods can be essentially noop
func (db MockRoomserverAliasAPIDatabase) SetRoomAlias(ctx context.Context, alias string, roomID string) error {
func (db MockRoomserverAliasAPIDatabase) SetRoomAlias(ctx context.Context, alias string, roomID string, creatorUserID string) error {
return nil
}
@ -43,6 +43,12 @@ func (db MockRoomserverAliasAPIDatabase) RemoveRoomAlias(ctx context.Context, al
return nil
}
func (db *MockRoomserverAliasAPIDatabase) GetCreatorIDForAlias(
ctx context.Context, alias string,
) (string, error) {
return "", nil
}
// This method needs to change depending on test case
func (db *MockRoomserverAliasAPIDatabase) GetRoomIDForAlias(
ctx context.Context,

35
roomserver/api/alias.go
View file

@ -62,6 +62,18 @@ type GetAliasesForRoomIDResponse struct {
Aliases []string `json:"aliases"`
}
// GetCreatorIDForAliasRequest is a request to GetCreatorIDForAlias
type GetCreatorIDForAliasRequest struct {
// The alias we want to find the creator of
Alias string `json:"alias"`
}
// GetCreatorIDForAliasResponse is a response to GetCreatorIDForAlias
type GetCreatorIDForAliasResponse struct {
// The user ID of the alias creator
UserID string `json:"user_id"`
}
// RemoveRoomAliasRequest is a request to RemoveRoomAlias
type RemoveRoomAliasRequest struct {
// ID of the user removing the alias
@ -96,6 +108,13 @@ type RoomserverAliasAPI interface {
response *GetAliasesForRoomIDResponse,
) error
// Get the user ID of the creator of an alias
GetCreatorIDForAlias(
ctx context.Context,
req *GetCreatorIDForAliasRequest,
response *GetCreatorIDForAliasResponse,
) error
// Remove a room alias
RemoveRoomAlias(
ctx context.Context,
@ -113,6 +132,9 @@ const RoomserverGetRoomIDForAliasPath = "/api/roomserver/GetRoomIDForAlias"
// RoomserverGetAliasesForRoomIDPath is the HTTP path for the GetAliasesForRoomID API.
const RoomserverGetAliasesForRoomIDPath = "/api/roomserver/GetAliasesForRoomID"
// RoomserverGetCreatorIDForAliasPath is the HTTP path for the GetCreatorIDForAlias API.
const RoomserverGetCreatorIDForAliasPath = "/api/roomserver/GetCreatorIDForAlias"
// RoomserverRemoveRoomAliasPath is the HTTP path for the RemoveRoomAlias API.
const RoomserverRemoveRoomAliasPath = "/api/roomserver/removeRoomAlias"
@ -169,6 +191,19 @@ func (h *httpRoomserverAliasAPI) GetAliasesForRoomID(
return commonHTTP.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
}
// GetCreatorIDForAlias implements RoomserverAliasAPI
func (h *httpRoomserverAliasAPI) GetCreatorIDForAlias(
ctx context.Context,
request *GetCreatorIDForAliasRequest,
response *GetCreatorIDForAliasResponse,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "GetCreatorIDForAlias")
defer span.Finish()
apiURL := h.roomserverURL + RoomserverGetCreatorIDForAliasPath
return commonHTTP.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
}
// RemoveRoomAlias implements RoomserverAliasAPI
func (h *httpRoomserverAliasAPI) RemoveRoomAlias(
ctx context.Context,

33
roomserver/storage/room_aliases_table.go
View file

@ -25,14 +25,16 @@ CREATE TABLE IF NOT EXISTS roomserver_room_aliases (
-- Alias of the room
alias TEXT NOT NULL PRIMARY KEY,
-- Room ID the alias refers to
room_id TEXT NOT NULL
room_id TEXT NOT NULL,
-- User ID of the creator of this alias
creator_id TEXT NOT NULL
);
CREATE INDEX IF NOT EXISTS roomserver_room_id_idx ON roomserver_room_aliases(room_id);
`
const insertRoomAliasSQL = "" +
"INSERT INTO roomserver_room_aliases (alias, room_id) VALUES ($1, $2)"
"INSERT INTO roomserver_room_aliases (alias, room_id, creator_id) VALUES ($1, $2, $3)"
const selectRoomIDFromAliasSQL = "" +
"SELECT room_id FROM roomserver_room_aliases WHERE alias = $1"
@ -40,14 +42,18 @@ const selectRoomIDFromAliasSQL = "" +
const selectAliasesFromRoomIDSQL = "" +
"SELECT alias FROM roomserver_room_aliases WHERE room_id = $1"
const selectCreatorIDFromAliasSQL = "" +
"SELECT creator_id FROM roomserver_room_aliases WHERE alias = $1"
const deleteRoomAliasSQL = "" +
"DELETE FROM roomserver_room_aliases WHERE alias = $1"
type roomAliasesStatements struct {
insertRoomAliasStmt *sql.Stmt
selectRoomIDFromAliasStmt *sql.Stmt
selectAliasesFromRoomIDStmt *sql.Stmt
deleteRoomAliasStmt *sql.Stmt
insertRoomAliasStmt *sql.Stmt
selectRoomIDFromAliasStmt *sql.Stmt
selectAliasesFromRoomIDStmt *sql.Stmt
selectCreatorIDFromAliasStmt *sql.Stmt
deleteRoomAliasStmt *sql.Stmt
}
func (s *roomAliasesStatements) prepare(db *sql.DB) (err error) {
@ -59,14 +65,15 @@ func (s *roomAliasesStatements) prepare(db *sql.DB) (err error) {
{&s.insertRoomAliasStmt, insertRoomAliasSQL},
{&s.selectRoomIDFromAliasStmt, selectRoomIDFromAliasSQL},
{&s.selectAliasesFromRoomIDStmt, selectAliasesFromRoomIDSQL},
{&s.selectCreatorIDFromAliasStmt, selectCreatorIDFromAliasSQL},
{&s.deleteRoomAliasStmt, deleteRoomAliasSQL},
}.prepare(db)
}
func (s *roomAliasesStatements) insertRoomAlias(
ctx context.Context, alias string, roomID string,
ctx context.Context, alias string, roomID string, creatorUserID string,
) (err error) {
_, err = s.insertRoomAliasStmt.ExecContext(ctx, alias, roomID)
_, err = s.insertRoomAliasStmt.ExecContext(ctx, alias, roomID, creatorUserID)
return
}
@ -101,6 +108,16 @@ func (s *roomAliasesStatements) selectAliasesFromRoomID(
return
}
func (s *roomAliasesStatements) selectCreatorIDFromAlias(
ctx context.Context, alias string,
) (creatorID string, err error) {
err = s.selectCreatorIDFromAliasStmt.QueryRowContext(ctx, alias).Scan(&creatorID)
if err == sql.ErrNoRows {
return "", nil
}
return
}
func (s *roomAliasesStatements) deleteRoomAlias(
ctx context.Context, alias string,
) (err error) {

11
roomserver/storage/storage.go
View file

@ -441,8 +441,8 @@ func (d *Database) GetInvitesForUser(
}
// SetRoomAlias implements alias.RoomserverAliasAPIDB
func (d *Database) SetRoomAlias(ctx context.Context, alias string, roomID string) error {
return d.statements.insertRoomAlias(ctx, alias, roomID)
func (d *Database) SetRoomAlias(ctx context.Context, alias string, roomID string, creatorUserID string) error {
return d.statements.insertRoomAlias(ctx, alias, roomID, creatorUserID)
}
// GetRoomIDForAlias implements alias.RoomserverAliasAPIDB
@ -455,6 +455,13 @@ func (d *Database) GetAliasesForRoomID(ctx context.Context, roomID string) ([]st
return d.statements.selectAliasesFromRoomID(ctx, roomID)
}
// GetCreatorIDForAlias implements alias.RoomserverAliasAPIDB
func (d *Database) GetCreatorIDForAlias(
ctx context.Context, alias string,
) (string, error) {
return d.statements.selectCreatorIDFromAlias(ctx, alias)
}
// RemoveRoomAlias implements alias.RoomserverAliasAPIDB
func (d *Database) RemoveRoomAlias(ctx context.Context, alias string) error {
return d.statements.deleteRoomAlias(ctx, alias)