mirror of
https://github.com/gocsaf/csaf.git
synced 2025-12-22 05:40:11 +01:00
37 lines
1.1 KiB
Go
37 lines
1.1 KiB
Go
// This file is Free Software under the Apache-2.0 License
|
|
// without warranty, see README.md and LICENSES/Apache-2.0.txt for details.
|
|
//
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
//
|
|
// SPDX-FileCopyrightText: 2025 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
|
|
// Software-Engineering: 2025 Intevation GmbH <https://intevation.de>
|
|
|
|
package misc
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"io"
|
|
)
|
|
|
|
// StrictJSONParse creates a JSON decoder that decodes an interface
|
|
// while not allowing unknown fields nor trailing data
|
|
func StrictJSONParse(jsonData io.Reader, target any) error {
|
|
decoder := json.NewDecoder(jsonData)
|
|
// Don't allow unknown fields
|
|
decoder.DisallowUnknownFields()
|
|
|
|
if err := decoder.Decode(target); err != nil {
|
|
return fmt.Errorf("JSON decoding error: %w", err)
|
|
}
|
|
|
|
// Check for any trailing data after the main JSON structure
|
|
if _, err := decoder.Token(); err != io.EOF {
|
|
if err != nil {
|
|
return fmt.Errorf("error reading trailing data: %w", err)
|
|
}
|
|
return fmt.Errorf("unexpected trailing data after JSON object")
|
|
}
|
|
|
|
return nil
|
|
}
|