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use low error correction if qr-code content is too long (#18)

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This commit is contained in:
Christoph Haas 2021-05-10 09:26:36 +02:00
parent edfecd536a
commit 3ecb0925d6
1 changed files with 13 additions and 4 deletions
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17
internal/wireguard/peermanager.go
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@ -192,12 +192,21 @@ func (p Peer) GetConfigFile(device Device) ([]byte, error) {
func (p Peer) GetQRCode() ([]byte, error) {
png, err := qrcode.Encode(p.Config, qrcode.Medium, 250)
if err != nil {
logrus.WithFields(logrus.Fields{
"err": err,
}).Error("failed to create qrcode")
if err == nil {
return png, nil
}
if err.Error() != "content too long to encode" {
logrus.Errorf("failed to create qrcode: %v", err)
return nil, errors.Wrap(err, "failed to encode qrcode")
}
png, err = qrcode.Encode(p.Config, qrcode.Low, 250)
if err != nil {
logrus.Errorf("failed to create qrcode: %v", err)
return nil, errors.Wrap(err, "failed to encode qrcode")
}
return png, nil
}