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pasty/internal/pastes/deletion_token.go

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package pastes
import (
"github.com/Lukaesebrot/pasty/internal/env"
"math/rand"
"strconv"
)
// deletionTokenContents represents the characters a deletion token may contain
const deletionTokenContents = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789#+-.,"
// generateDeletionToken generates a new deletion token
func generateDeletionToken() (string, error) {
// Read the deletion token length
rawLength := env.Get("DELETION_TOKEN_LENGTH", "12")
length, err := strconv.Atoi(rawLength)
if err != nil {
return "", err
}
// Generate the deletion token
bytes := make([]byte, length)
for i := range bytes {
bytes[i] = deletionTokenContents[rand.Int63()%int64(len(deletionTokenContents))]
}
return string(bytes), nil
}