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8a1ebe0b7a
* Factor JSON evaluation and construction base URLs out of of checker. * Move json path matching to util. * Add csaf_aggregator (as additional command) * Improve itest workflow to checkout the branch where it is running on. resolve #105 resolve #72 Co-authored-by: tschmidtb51 <65305130+tschmidtb51@users.noreply.github.com> Co-authored-by: Bernhard Reiter <bernhard@intevation.de> Co-authored-by: Fadi Abbud <fadi.abbud@intevation.de>
66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
// This file is Free Software under the MIT License
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// without warranty, see README.md and LICENSES/MIT.txt for details.
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//
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// SPDX-License-Identifier: MIT
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//
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// SPDX-FileCopyrightText: 2022 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
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// Software-Engineering: 2022 Intevation GmbH <https://intevation.de>
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package util
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import (
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"bufio"
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"encoding/hex"
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"fmt"
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"hash"
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"io"
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"os"
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"regexp"
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)
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var hexRe = regexp.MustCompile(`^([[:xdigit:]]+)`)
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// HashFromReader reads a base 16 coded hash sum from a reader.
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func HashFromReader(r io.Reader) ([]byte, error) {
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scanner := bufio.NewScanner(r)
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for scanner.Scan() {
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if m := hexRe.FindStringSubmatch(scanner.Text()); m != nil {
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return hex.DecodeString(m[1])
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}
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}
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return nil, scanner.Err()
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}
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// HashFromFile reads a base 16 coded hash sum from a file.
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func HashFromFile(fname string) ([]byte, error) {
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f, err := os.Open(fname)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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return HashFromReader(f)
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}
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// WriteHashToFile writes a hash of data to file fname.
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func WriteHashToFile(fname, name string, h hash.Hash, data []byte) error {
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if _, err := h.Write(data); err != nil {
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return err
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}
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f, err := os.Create(fname)
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if err != nil {
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return err
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}
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fmt.Fprintf(f, "%x %s\n", h.Sum(nil), name)
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return f.Close()
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}
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// WriteHashSumToFile writes a hash sum to file fname.
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func WriteHashSumToFile(fname, name string, sum []byte) error {
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f, err := os.Create(fname)
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if err != nil {
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return err
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}
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fmt.Fprintf(f, "%x %s\n", sum, name)
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return f.Close()
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}
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