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/*
* Misc function definitions for fbfp.
*
* 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 (
"crypto/rand"
"encoding/base64"
)
func e(e error) {
if e != nil {
panic(e)
}
}
/*
* Generate a random url-safe string.
* Note that the "len" parameter specifies the number of bytes taken from the
* random source divided by three and does NOT represent the length of the
* encoded string.
*/
func random(len int) string {
r := make([]byte, 3*len)
rand.Read(r)
return base64.RawURLEncoding.EncodeToString(r)
}
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