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/*
* Session checking functions
*
* Copyright (C) 2024 Runxi Yu <https://runxiyu.org>
* SPDX-License-Identifier: AGPL-3.0-or-later
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package main
import (
"errors"
"net/http"
"github.com/jackc/pgx/v5"
)
func getUserInfoFromRequest(req *http.Request) (userID, username, department string, retErr error) {
sessionCookie, err := req.Cookie("session")
if errors.Is(err, http.ErrNoCookie) {
retErr = wrapError(errNoCookie, err)
return
} else if err != nil {
retErr = wrapError(errCannotCheckCookie, err)
return
}
err = db.QueryRow(
req.Context(),
"SELECT id, name, department FROM users WHERE session = $1",
sessionCookie.Value,
).Scan(&userID, &username, &department)
if err != nil {
if errors.Is(err, pgx.ErrNoRows) {
retErr = errNoSuchUser
return
}
retErr = wrapError(errUnexpectedDBError, err)
return
}
return
}
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