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gocsaf/cmd/csaf_checker/main.go
2021-12-10 10:48:39 +01:00

98 lines
1.9 KiB
Go

// This file is Free Software under the MIT License
// without warranty, see README.md and LICENSES/MIT.txt for details.
//
// SPDX-License-Identifier: MIT
//
// SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
// Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
package main
import (
"encoding/json"
"io"
"log"
"os"
"github.com/jessevdk/go-flags"
)
type options struct {
Output string `short:"o" long:"output" description:"File name of the generated report" value-name:"REPORT-FILE"`
Format string `short:"f" long:"format" choice:"json" choice:"html" description:"Format of report" default:"json"`
}
var checks = []check{
// TODO: Implement me!
}
func errCheck(err error) {
if err != nil {
if e, ok := err.(*flags.Error); ok && e.Type == flags.ErrHelp {
os.Exit(0)
}
log.Fatalf("error: %v\n", err)
}
}
func writeJSON(report *Report, w io.WriteCloser) error {
enc := json.NewEncoder(w)
enc.SetIndent("", " ")
err := enc.Encode(report)
if e := w.Close(); err != nil {
err = e
}
return err
}
func writeHTML(report *Report, w io.WriteCloser) error {
// TODO: Implement me!
return w.Close()
}
type nopCloser struct{ io.Writer }
func (nc *nopCloser) Close() error { return nil }
func writeReport(report *Report, opts *options) error {
var w io.WriteCloser
if opts.Output == "" {
w = &nopCloser{os.Stdout}
} else {
f, err := os.Create(opts.Output)
if err != nil {
return err
}
w = f
}
var writer func(*Report, io.WriteCloser) error
switch opts.Format {
case "json":
writer = writeJSON
default:
writer = writeHTML
}
return writer(report, w)
}
func main() {
opts := new(options)
domains, err := flags.Parse(opts)
errCheck(err)
if len(domains) == 0 {
log.Println("No domains given.")
return
}
report, err := run(domains, checks)
errCheck(err)
errCheck(writeReport(report, opts))
}