mirror of
https://github.com/matrix-org/dendrite.git
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104 lines
3.1 KiB
Go
104 lines
3.1 KiB
Go
// Copyright 2022 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package routing
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import (
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"net/http"
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"github.com/matrix-org/dendrite/clientapi/auth"
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"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
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"github.com/matrix-org/dendrite/clientapi/jsonerror"
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"github.com/matrix-org/dendrite/setup/config"
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userapi "github.com/matrix-org/dendrite/userapi/api"
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"github.com/matrix-org/util"
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"github.com/tidwall/gjson"
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)
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func handlePublicKeyRegistration(
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cfg *config.ClientAPI,
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reqBytes []byte,
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r *registerRequest,
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userAPI userapi.ClientUserAPI,
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) (bool, authtypes.LoginType, *util.JSONResponse) {
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if !cfg.PublicKeyAuthentication.Enabled() {
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return false, "", &util.JSONResponse{
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Code: http.StatusForbidden,
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JSON: jsonerror.Forbidden("public key account registration is disabled"),
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}
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}
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var authHandler auth.LoginPublicKeyHandler
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authType := gjson.GetBytes(reqBytes, "auth.public_key_response.type").String()
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switch authType {
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case authtypes.LoginTypePublicKeyEthereum:
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authBytes := gjson.GetBytes(reqBytes, "auth.public_key_response")
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pkEthHandler, err := auth.CreatePublicKeyEthereumHandler(
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[]byte(authBytes.Raw),
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userAPI,
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cfg,
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)
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if err != nil {
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return false, "", &util.JSONResponse{
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Code: http.StatusUnauthorized,
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JSON: err,
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}
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}
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authHandler = pkEthHandler
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default:
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// No response. Client is asking for a new registration session
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return false, authtypes.LoginStagePublicKeyNewRegistration, nil
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}
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if _, ok := sessions.sessions[authHandler.GetSession()]; !ok {
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return false, "", &util.JSONResponse{
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Code: http.StatusUnauthorized,
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JSON: jsonerror.Unknown("the session ID is missing or unknown."),
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}
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}
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isValidUserId := authHandler.IsValidUserIdForRegistration(r.Username)
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if !isValidUserId {
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return false, "", &util.JSONResponse{
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Code: http.StatusUnauthorized,
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JSON: jsonerror.InvalidUsername(r.Username),
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}
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}
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isValidated, jerr := authHandler.ValidateLoginResponse()
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if jerr != nil {
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return false, "", &util.JSONResponse{
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Code: http.StatusUnauthorized,
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JSON: jerr,
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}
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}
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// Registration flow requires a password to
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// create a user account. Create a random one
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// to satisfy the requirement. This is not used
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// for public key cryptography.
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createPassword(r)
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return isValidated, authtypes.LoginType(authHandler.GetType()), nil
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}
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func createPassword(request *registerRequest) {
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// Public key auth does not use password.
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// Create a random one that is never used.
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// Login validation will be done using public / private
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// key cryptography.
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request.Password = util.RandomString(sessionIDLength)
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}
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