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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 routing
import (
"net/http"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/dendrite/setup/config"
"github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/util"
)
type openIDTokenResponse struct {
AccessToken string `json:"access_token"`
TokenType string `json:"token_type"`
MatrixServerName string `json:"matrix_server_name"`
ExpiresIn int64 `json:"expires_in"`
}
// CreateOpenIDToken creates a new OpenID Connect (OIDC) token that a Matrix user
// can supply to an OpenID Relying Party to verify their identity
func CreateOpenIDToken(
req *http.Request,
userAPI api.UserInternalAPI,
device *api.Device,
userID string,
cfg *config.ClientAPI,
) util.JSONResponse {
// does the incoming user ID match the user that the token was issued for?
if userID != device.UserID {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("Cannot request tokens for other users"),
}
}
request := api.PerformOpenIDTokenCreationRequest{
UserID: userID, // this is the user ID from the incoming path
}
response := api.PerformOpenIDTokenCreationResponse{}
err := userAPI.PerformOpenIDTokenCreation(req.Context(), &request, &response)
if err != nil {
util.GetLogger(req.Context()).WithError(err).Error("userAPI.CreateOpenIDToken failed")
return jsonerror.InternalServerError()
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: openIDTokenResponse{
AccessToken: response.Token.Token,
TokenType: "Bearer",
MatrixServerName: string(cfg.Matrix.ServerName),
ExpiresIn: response.Token.ExpiresAtMS / 1000, // convert ms to s
},
}
}
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