62 lines
1.1 KiB
Go
62 lines
1.1 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"io"
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"os"
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"strings"
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"golang.org/x/crypto/openpgp"
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)
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func open(path string) io.Reader {
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f, err := os.Open(path)
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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return f
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}
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func main() {
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var sig, file, pub string
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flag.StringVar(&sig, "sig", "", "path to signature file")
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flag.StringVar(&file, "file", "", "path to file")
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flag.StringVar(&pub, "pub", "", "path to pub file")
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flag.Parse()
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pledge("stdio tty unveil rpath")
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unveil(sig, "r")
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unveil(file, "r")
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unveil(pub, "r")
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unveilBlock()
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kr, err := openpgp.ReadArmoredKeyRing(open(pub))
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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var ent *openpgp.Entity
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switch {
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case strings.HasSuffix(sig, ".sig"):
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case strings.HasSuffix(sig, ".gpg"):
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ent, err = openpgp.CheckDetachedSignature(kr, open(file), open(sig))
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case strings.HasSuffix(sig, ".asc"):
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ent, err = openpgp.CheckArmoredDetachedSignature(kr, open(file), open(sig))
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}
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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for _, id := range ent.Identities {
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fmt.Printf("%q\n", id.Name)
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}
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fmt.Println("Signature OK.")
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}
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