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dendrite/clientapi/auth/password.go
tommie c36e4546c3
Support for m.login.token (#2014)
* Add GOPATH to PATH in find-lint.sh.

The user doesn't necessarily have it in PATH.

* Refactor LoginTypePassword and Type to support m.login.token and m.login.sso.

For login token:

* m.login.token will require deleting the token after completeAuth has
  generated an access token, so a cleanup function is returned by
  Type.Login.
* Allowing different login types will require parsing the /login body
  twice: first to extract the "type" and then the type-specific parsing.
  Thus, we will have to buffer the request JSON in /login, like
  UserInteractive already does.

For SSO:

* NewUserInteractive will have to also use GetAccountByLocalpart. It
  makes more sense to just pass a (narrowed-down) accountDB interface
  to it than adding more function pointers.

Code quality:

* Passing around (and down-casting) interface{} for login request types
  has drawbacks in terms of type-safety, and no inherent benefits. We
  always decode JSON anyway. Hence renaming to Type.LoginFromJSON. Code
  that directly uses LoginTypePassword with parsed data can still use
  Login.
* Removed a TODO for SSO. This is already tracked in #1297.
* httputil.UnmarshalJSON is useful because it returns a JSONResponse.

This change is intended to have no functional changes.

* Support login tokens in User API.

This adds full lifecycle functions for login tokens: create, query, delete.

* Support m.login.token in /login.

* Fixes for PR review.

* Set @matrix-org/dendrite-core as repository code owner

* Return event NID from `StoreEvent`, match PSQL vs SQLite behaviour, tweak backfill persistence (#2071)

Co-authored-by: kegsay <kegan@matrix.org>
Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
2022-02-10 10:27:26 +00:00

96 lines
3 KiB
Go

// 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"
"database/sql"
"net/http"
"strings"
"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
"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/setup/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 authtypes.LoginTypePassword
}
func (t *LoginTypePassword) LoginFromJSON(ctx context.Context, reqBytes []byte) (*Login, LoginCleanupFunc, *util.JSONResponse) {
var r PasswordRequest
if err := httputil.UnmarshalJSON(reqBytes, &r); err != nil {
return nil, nil, err
}
login, err := t.Login(ctx, &r)
if err != nil {
return nil, nil, err
}
return login, func(context.Context, *util.JSONResponse) {}, nil
}
func (t *LoginTypePassword) Login(ctx context.Context, req interface{}) (*Login, *util.JSONResponse) {
r := req.(*PasswordRequest)
username := strings.ToLower(r.Username())
if username == "" {
return nil, &util.JSONResponse{
Code: http.StatusUnauthorized,
JSON: jsonerror.BadJSON("A username 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()),
}
}
// Squash username to all lowercase letters
_, err = t.GetAccountByPassword(ctx, strings.ToLower(localpart), r.Password)
if err != nil {
if err == sql.ErrNoRows {
_, err = t.GetAccountByPassword(ctx, localpart, r.Password)
if err == nil {
return &r.Login, 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("The username or password was incorrect or the account does not exist."),
}
}
return &r.Login, nil
}