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xs_jwt_auth.go
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/
xs_jwt_auth.go
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// Copyright 2021 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"
"encoding/json"
"fmt"
"freemasonry.cc/chat/clientapi/userutil"
"freemasonry.cc/chat/internal"
"net/http"
"strings"
"freemasonry.cc/chat/clientapi/auth/authtypes"
"freemasonry.cc/chat/clientapi/httputil"
"freemasonry.cc/chat/clientapi/jsonerror"
"freemasonry.cc/chat/setup/config"
uapi "freemasonry.cc/chat/userapi/api"
"github.com/matrix-org/util"
)
// LoginTypeToken describes how to authenticate with a login token.
type LoginTypeJwt struct {
UserAPI uapi.ClientUserAPI
Config *config.ClientAPI
}
// Name implements Type.
func (t *LoginTypeJwt) Name() string {
return authtypes.LoginTypeJwt
}
// LoginFromJSON implements Type. The cleanup function deletes the token from
// the database on success.
func (t *LoginTypeJwt) LoginFromJSON(ctx context.Context, reqBytes []byte) (*Login, LoginCleanupFunc, *util.JSONResponse) {
var r loginJwtRequest
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 *LoginTypeJwt) Login(ctx context.Context, req interface{}) (*Login, *util.JSONResponse) {
r := req.(*loginJwtRequest)
username := strings.ToLower(r.Username())
if username == "" || r.Jwt == "" {
return nil, &util.JSONResponse{
Code: http.StatusUnauthorized,
JSON: jsonerror.MissingParam("A username and jwt 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()),
}
}
// jwt
//2,jwt,jwtuidusername
got, err := internal.DecryptInfo(r.Jwt, t.Config.Matrix.GuidPubKey)
if err != nil {
util.GetLogger(ctx).WithField("r.Jwt", r.Jwt).WithField("t.Config.Matrix.GuidPubKey", t.Config.Matrix.GuidPubKey).WithError(err).Error("DecryptInfo")
return nil, &util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: jsonerror.Unknown("failed to decrypt jwt:" + err.Error()),
}
}
gotStruct := internal.JwtParam{}
err = json.Unmarshal(got, &gotStruct)
if err != nil {
return nil, &util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: jsonerror.Unknown("failed to Unmarshal:" + err.Error()),
}
}
if localpart != gotStruct.Uid {
return nil, &util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: jsonerror.Forbidden("username and jwt mismatch"),
}
}
res := &uapi.QueryAccountAvailabilityResponse{}
err = t.UserAPI.QueryAccountAvailability(ctx, &uapi.QueryAccountAvailabilityRequest{
Localpart: localpart,
}, res)
if err != nil {
return nil, &util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: jsonerror.Unknown("failed to check availability:" + err.Error()),
}
}
if res.Available {
res1 := &uapi.PerformAccountCreationResponse{}
err := t.UserAPI.PerformAccountCreation(ctx, &uapi.PerformAccountCreationRequest{
AccountType: uapi.AccountTypeUser,
Localpart: username,
OnConflict: uapi.ConflictAbort,
}, res1)
if err != nil {
return nil, &util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: jsonerror.Unknown("failed to create account:" + err.Error()),
}
}
// api
err = t.UserAPI.InsertChainData(ctx, username, string(t.Config.Matrix.ServerName), "", "")
if err != nil {
return nil, &util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: jsonerror.Unknown("failed to InsertChainData when creating account:" + err.Error()),
}
}
if gotStruct.Uuid != 0 {
err = t.UserAPI.AddTelNumbers(ctx, username, []string{fmt.Sprintf("%d", gotStruct.Uuid)})
if err != nil {
return nil, &util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: jsonerror.Unknown("failed to AddTelNumbers when creating account:" + err.Error()),
}
}
}
}
return &r.Login, nil
}
// loginTokenRequest struct to hold the possible parameters from an HTTP request.
type loginJwtRequest struct {
Login
Jwt string `json:"jwt"`
}