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// Copyright 2020 The Matrix.org Foundation C.I.C.
//
// 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 auth
import (
"context"
"net/http"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/dendrite/clientapi/userutil"
"github.com/matrix-org/dendrite/internal/config"
"github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/util"
)
type GetAccountByPassword func(ctx context.Context, localpart, password string) (*api.Account, error)
type PasswordRequest struct {
Login
Password string `json:"password"`
}
// LoginTypePassword implements https://matrix.org/docs/spec/client_server/r0.6.1#password-based
type LoginTypePassword struct {
GetAccountByPassword GetAccountByPassword
Config *config.ClientAPI
}
func (t *LoginTypePassword) Name() string {
return "m.login.password"
}
func (t *LoginTypePassword) Request() interface{} {
return &PasswordRequest{}
}
func (t *LoginTypePassword) Login(ctx context.Context, req interface{}) (*Login, *util.JSONResponse) {
r := req.(*PasswordRequest)
username := r.Username()
if username == "" {
return nil, &util.JSONResponse{
Code: http.StatusUnauthorized,
JSON: jsonerror.BadJSON("'user' must be supplied."),
}
}
localpart, err := userutil.ParseUsernameParam(username, &t.Config.Matrix.ServerName)
if err != nil {
return nil, &util.JSONResponse{
Code: http.StatusUnauthorized,
JSON: jsonerror.InvalidUsername(err.Error()),
}
}
_, err = t.GetAccountByPassword(ctx, localpart, r.Password)
if err != nil {
// Technically we could tell them if the user does not exist by checking if err == sql.ErrNoRows
// but that would leak the existence of the user.
return nil, &util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("username or password was incorrect, or the account does not exist"),
}
}
return &r.Login, nil
}
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