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package wireguard
import (
"fmt"
"regexp"
"github.com/eduvpn/eduvpn-common/types"
"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
)
func GenerateKey() (wgtypes.Key, error) {
key, keyErr := wgtypes.GeneratePrivateKey()
if keyErr != nil {
return key, types.NewWrappedError(
"failed generating WireGuard key",
keyErr,
)
}
return key, nil
}
// FIXME: Instead of doing a regex replace, decide if we should use a parser
func ConfigAddKey(config string, key wgtypes.Key) string {
interfaceSection := "[Interface]"
InterfaceSectionEscaped := regexp.QuoteMeta(interfaceSection)
// (?m) enables multi line mode
// ^ match from beginning of line
// $ match till end of line
// So it matches [Interface] section exactly
InterfaceRe := regexp.MustCompile(fmt.Sprintf("(?m)^%s$", InterfaceSectionEscaped))
toReplace := fmt.Sprintf("%s\nPrivateKey = %s", interfaceSection, key.String())
return InterfaceRe.ReplaceAllString(config, toReplace)
}
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