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// Copyright 2024 New Vector Ltd.
// Copyright 2021 The Matrix.org Foundation C.I.C.
//
// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
// Please see LICENSE files in the repository root for full details.
package auth
import (
"encoding/json"
"io"
"net/http"
"github.com/element-hq/dendrite/clientapi/auth/authtypes"
"github.com/element-hq/dendrite/setup/config"
uapi "github.com/element-hq/dendrite/userapi/api"
"github.com/matrix-org/gomatrixserverlib/spec"
"github.com/matrix-org/util"
)
// LoginFromJSONReader performs authentication given a login request body reader and
// some context. It returns the basic login information and a cleanup function to be
// called after authorization has completed, with the result of the authorization.
// If the final return value is non-nil, an error occurred and the cleanup function
// is nil.
func LoginFromJSONReader(
req *http.Request,
useraccountAPI uapi.UserLoginAPI,
userAPI UserInternalAPIForLogin,
cfg *config.ClientAPI,
) (*Login, LoginCleanupFunc, *util.JSONResponse) {
reqBytes, err := io.ReadAll(req.Body)
if err != nil {
err := &util.JSONResponse{
Code: http.StatusBadRequest,
JSON: spec.BadJSON("Reading request body failed: " + err.Error()),
}
return nil, nil, err
}
var header struct {
Type string `json:"type"`
}
if err := json.Unmarshal(reqBytes, &header); err != nil {
err := &util.JSONResponse{
Code: http.StatusBadRequest,
JSON: spec.BadJSON("Reading request body failed: " + err.Error()),
}
return nil, nil, err
}
var typ Type
switch header.Type {
case authtypes.LoginTypePassword:
typ = &LoginTypePassword{
GetAccountByPassword: useraccountAPI.QueryAccountByPassword,
Config: cfg,
}
case authtypes.LoginTypeToken:
typ = &LoginTypeToken{
UserAPI: userAPI,
Config: cfg,
}
case authtypes.LoginTypeApplicationService:
token, err := ExtractAccessToken(req)
if err != nil {
err := &util.JSONResponse{
Code: http.StatusForbidden,
JSON: spec.MissingToken(err.Error()),
}
return nil, nil, err
}
typ = &LoginTypeApplicationService{
Config: cfg,
Token: token,
}
default:
err := util.JSONResponse{
Code: http.StatusBadRequest,
JSON: spec.InvalidParam("unhandled login type: " + header.Type),
}
return nil, nil, &err
}
return typ.LoginFromJSON(req.Context(), reqBytes)
}
// UserInternalAPIForLogin contains the aspects of UserAPI required for logging in.
type UserInternalAPIForLogin interface {
uapi.LoginTokenInternalAPI
}
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