org.keycloak.utils.TotpUtils クラス

org.keycloak.utils.TotpUtils 連携図

静的公開メンバ関数
static String	encode (String totpSecret)
static String	decode (String totpSecretEncoded)
static String	qrCode (String totpSecret, RealmModel realm, UserModel user)

詳解

著者

Stian Thorgersen

関数詳解

decode()

static String org.keycloak.utils.TotpUtils.decode ( String  totpSecretEncoded )

inlinestatic

                                                          {
        String encoded = totpSecretEncoded.replace(" ", "");
        byte[] bytes = Base32.decode(encoded);
        return new String(bytes);
    }

encode()

static String org.keycloak.utils.TotpUtils.encode ( String  totpSecret )

inlinestatic

                                                   {
        String encoded = Base32.encode(totpSecret.getBytes());
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < encoded.length(); i += 4) {
            sb.append(encoded.substring(i, i + 4 < encoded.length() ? i + 4 : encoded.length()));
            if (i + 4 < encoded.length()) {
                sb.append(" ");
            }
        }
        return sb.toString();
    }

qrCode()

static String org.keycloak.utils.TotpUtils.qrCode ( String  totpSecret, RealmModel  realm, UserModel  user  )

inlinestatic

                                                                                     {
        try {
            String keyUri = realm.getOTPPolicy().getKeyURI(realm, user, totpSecret);

            int width = 246;
            int height = 246;

            QRCodeWriter writer = new QRCodeWriter();
            final BitMatrix bitMatrix = writer.encode(keyUri, BarcodeFormat.QR_CODE, width, height);

            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            MatrixToImageWriter.writeToStream(bitMatrix, "png", bos);
            bos.close();

            return Base64.encodeBytes(bos.toByteArray());
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

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このクラス詳解は次のファイルから抽出されました:

• D:/AppData/doxygen/keycloak/src/keycloak/src/main/java/org/keycloak/utils/TotpUtils.java