gotosocial/internal/gtserror/util.go

43 lines
1.3 KiB
Go

// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.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 <http://www.gnu.org/licenses/>.
package gtserror
import (
"io"
"codeberg.org/gruf/go-byteutil"
)
// drainBody will produce a truncated output of the content
// of given io.ReadCloser body, useful for logs / errors.
func drainBody(body io.ReadCloser, trunc int) string {
// Limit response to 'trunc' bytes.
buf := make([]byte, trunc)
// Read body into err buffer.
n, _ := io.ReadFull(body, buf)
if n == 0 {
// No error body, return
// reasonable error str.
return "<empty>"
}
return byteutil.B2S(buf[:n])
}