2017-04-20 23:40:52 +01:00
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// Copyright 2017 Vector Creations Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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2017-10-11 18:16:53 +01:00
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package routing
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2017-04-20 17:11:53 +01:00
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import (
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2017-05-30 17:51:40 +01:00
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"net/http"
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2017-09-22 17:08:16 +01:00
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"strings"
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2017-05-30 17:51:40 +01:00
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"github.com/matrix-org/dendrite/clientapi/auth"
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"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
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"github.com/matrix-org/dendrite/clientapi/auth/storage/devices"
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"github.com/matrix-org/dendrite/clientapi/httputil"
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"github.com/matrix-org/dendrite/clientapi/jsonerror"
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2017-06-19 15:21:04 +01:00
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"github.com/matrix-org/dendrite/common/config"
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2017-05-05 17:43:42 +01:00
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/util"
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)
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type loginFlows struct {
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Flows []flow `json:"flows"`
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}
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type flow struct {
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Type string `json:"type"`
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Stages []string `json:"stages"`
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}
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type passwordRequest struct {
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User string `json:"user"`
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Password string `json:"password"`
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InitialDisplayName *string `json:"initial_device_display_name"`
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}
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type loginResponse struct {
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UserID string `json:"user_id"`
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AccessToken string `json:"access_token"`
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HomeServer gomatrixserverlib.ServerName `json:"home_server"`
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DeviceID string `json:"device_id"`
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}
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func passwordLogin() loginFlows {
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f := loginFlows{}
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s := flow{"m.login.password", []string{"m.login.password"}}
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f.Flows = append(f.Flows, s)
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return f
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}
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// Login implements GET and POST /login
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func Login(
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req *http.Request, accountDB *accounts.Database, deviceDB *devices.Database,
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cfg config.Dendrite,
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) util.JSONResponse {
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if req.Method == "GET" { // TODO: support other forms of login other than password, depending on config options
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return util.JSONResponse{
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Code: 200,
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JSON: passwordLogin(),
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}
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} else if req.Method == "POST" {
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var r passwordRequest
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resErr := httputil.UnmarshalJSONRequest(req, &r)
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if resErr != nil {
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return *resErr
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}
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if r.User == "" {
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return util.JSONResponse{
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Code: 400,
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JSON: jsonerror.BadJSON("'user' must be supplied."),
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}
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}
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util.GetLogger(req.Context()).WithField("user", r.User).Info("Processing login request")
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2017-09-22 17:08:16 +01:00
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// r.User can either be a user ID or just the localpart... or other things maybe.
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localpart := r.User
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if strings.HasPrefix(r.User, "@") {
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var domain gomatrixserverlib.ServerName
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var err error
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localpart, domain, err = gomatrixserverlib.SplitID('@', r.User)
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if err != nil {
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return util.JSONResponse{
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Code: 400,
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JSON: jsonerror.InvalidUsername("Invalid username"),
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}
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}
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if domain != cfg.Matrix.ServerName {
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return util.JSONResponse{
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Code: 400,
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JSON: jsonerror.InvalidUsername("User ID not ours"),
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}
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}
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}
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acc, err := accountDB.GetAccountByPassword(req.Context(), localpart, r.Password)
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if err != nil {
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// Technically we could tell them if the user does not exist by checking if err == sql.ErrNoRows
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// but that would leak the existence of the user.
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return util.JSONResponse{
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Code: 403,
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JSON: jsonerror.Forbidden("username or password was incorrect, or the account does not exist"),
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}
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}
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token, err := auth.GenerateAccessToken()
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if err != nil {
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httputil.LogThenError(req, err)
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}
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// TODO: Use the device ID in the request
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2017-09-18 15:51:26 +01:00
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dev, err := deviceDB.CreateDevice(
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req.Context(), acc.Localpart, nil, token, r.InitialDisplayName,
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)
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if err != nil {
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return util.JSONResponse{
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Code: 500,
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JSON: jsonerror.Unknown("failed to create device: " + err.Error()),
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}
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}
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2017-04-20 17:11:53 +01:00
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return util.JSONResponse{
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Code: 200,
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JSON: loginResponse{
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UserID: dev.UserID,
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AccessToken: dev.AccessToken,
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HomeServer: cfg.Matrix.ServerName,
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DeviceID: dev.ID,
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},
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}
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}
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return util.JSONResponse{
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Code: 405,
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JSON: jsonerror.NotFound("Bad method"),
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}
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}
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