dendrite/clientapi/routing/login.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 routing
import (
"context"
"net/http"
"github.com/matrix-org/dendrite/clientapi/auth"
"github.com/matrix-org/dendrite/clientapi/httputil"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/dendrite/clientapi/userutil"
"github.com/matrix-org/dendrite/internal/config"
userapi "github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/dendrite/userapi/storage/accounts"
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"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
)
type loginResponse struct {
UserID string `json:"user_id"`
AccessToken string `json:"access_token"`
HomeServer gomatrixserverlib.ServerName `json:"home_server"`
DeviceID string `json:"device_id"`
}
type flows struct {
Flows []flow `json:"flows"`
}
type flow struct {
Type string `json:"type"`
Stages []string `json:"stages"`
}
func passwordLogin() flows {
f := flows{}
s := flow{
Type: "m.login.password",
Stages: []string{"m.login.password"},
}
f.Flows = append(f.Flows, s)
return f
}
// Login implements GET and POST /login
func Login(
req *http.Request, accountDB accounts.Database, userAPI userapi.UserInternalAPI,
cfg *config.ClientAPI,
) util.JSONResponse {
if req.Method == http.MethodGet {
// TODO: support other forms of login other than password, depending on config options
return util.JSONResponse{
Code: http.StatusOK,
JSON: passwordLogin(),
}
} else if req.Method == http.MethodPost {
typePassword := auth.LoginTypePassword{
GetAccountByPassword: accountDB.GetAccountByPassword,
Config: cfg,
}
r := typePassword.Request()
resErr := httputil.UnmarshalJSONRequest(req, r)
if resErr != nil {
return *resErr
}
login, authErr := typePassword.Login(req.Context(), r)
if authErr != nil {
return *authErr
}
// make a device/access token
return completeAuth(req.Context(), cfg.Matrix.ServerName, userAPI, login)
}
return util.JSONResponse{
Code: http.StatusMethodNotAllowed,
JSON: jsonerror.NotFound("Bad method"),
}
}
func completeAuth(
ctx context.Context, serverName gomatrixserverlib.ServerName, userAPI userapi.UserInternalAPI, login *auth.Login,
) util.JSONResponse {
token, err := auth.GenerateAccessToken()
if err != nil {
util.GetLogger(ctx).WithError(err).Error("auth.GenerateAccessToken failed")
return jsonerror.InternalServerError()
}
localpart, err := userutil.ParseUsernameParam(login.Username(), &serverName)
if err != nil {
util.GetLogger(ctx).WithError(err).Error("auth.ParseUsernameParam failed")
return jsonerror.InternalServerError()
}
var performRes userapi.PerformDeviceCreationResponse
err = userAPI.PerformDeviceCreation(ctx, &userapi.PerformDeviceCreationRequest{
DeviceDisplayName: login.InitialDisplayName,
DeviceID: login.DeviceID,
AccessToken: token,
Localpart: localpart,
}, &performRes)
if err != nil {
return util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: jsonerror.Unknown("failed to create device: " + err.Error()),
}
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: loginResponse{
UserID: performRes.Device.UserID,
AccessToken: performRes.Device.AccessToken,
HomeServer: serverName,
DeviceID: performRes.Device.ID,
},
}
}