org.xdi.oxauth.model.util.Base64Util クラス

org.xdi.oxauth.model.util.Base64Util 連携図

静的公開メンバ関数
static String	base64urlencode (byte[] arg)
static byte []	base64urldecode (String arg) throws IllegalArgumentException
static String	base64urldecodeToString (String arg) throws IllegalArgumentException, UnsupportedEncodingException
static String	removePadding (String base64UrlEncoded)
static String	base64urlencodeUnsignedBigInt (BigInteger bigInteger)
static byte []	unsignedToBytes (int[] plaintextUnsignedBytes)

静的非公開変数類
static final Logger	log = Logger.getLogger(Base64Util.class)

詳解

著者

Javier Rojas Blum

バージョン

July 31, 2016

関数詳解

base64urldecode()

static byte [] org.xdi.oxauth.model.util.Base64Util.base64urldecode ( String  arg ) throws IllegalArgumentException

inlinestatic

                                                                                     {
        String s = removePadding(arg);
        return Base64.decodeBase64(s); // Standard base64 decoder
    }

base64urldecodeToString()

static String org.xdi.oxauth.model.util.Base64Util.base64urldecodeToString ( String  arg ) throws IllegalArgumentException, UnsupportedEncodingException

inlinestatic

                                                                                                                           {
        byte[] decoded = base64urldecode(arg);
        return new String(decoded, "UTF-8");
    }

base64urlencode()

static String org.xdi.oxauth.model.util.Base64Util.base64urlencode ( byte []  arg )

inlinestatic

                                                     {
        String s = Base64.encodeBase64String(arg); // Standard base64 encoder
        s = s.split("=")[0]; // Remove any trailing '='s
        s = s.replace('+', '-'); // 62nd char of encoding
        s = s.replace('/', '_'); // 63rd char of encoding
        return s;
    }

base64urlencodeUnsignedBigInt()

static String org.xdi.oxauth.model.util.Base64Util.base64urlencodeUnsignedBigInt ( BigInteger  bigInteger )

inlinestatic

                                                                              {
        byte[] array = bigInteger.toByteArray();
        if (array[0] == 0) {
            byte[] tmp = new byte[array.length - 1];
            System.arraycopy(array, 1, tmp, 0, tmp.length);
            array = tmp;
        }

        return Base64Util.base64urlencode(array);
    }

removePadding()

static String org.xdi.oxauth.model.util.Base64Util.removePadding ( String  base64UrlEncoded )

inlinestatic

                                                                {
                String s = base64UrlEncoded;
        s = s.replace('-', '+'); // 62nd char of encoding
        s = s.replace('_', '/'); // 63rd char of encoding
        switch (s.length() % 4) // Pad with trailing '='s
        {
            case 0:
                break; // No pad chars in this case
            case 2:
                s += "==";
                break; // Two pad chars
            case 3:
                s += "=";
                break; // One pad char
            default:
                throw new IllegalArgumentException("Illegal base64url string.");
        }
                return s;
        }

unsignedToBytes()

static byte [] org.xdi.oxauth.model.util.Base64Util.unsignedToBytes ( int []  plaintextUnsignedBytes )

inlinestatic

                                                                       {
        byte[] bytes = new byte[plaintextUnsignedBytes.length];

        for (int i = 0; i < plaintextUnsignedBytes.length; i++) {
            bytes[i] = (byte) plaintextUnsignedBytes[i];
        }

        return bytes;
    }

メンバ詳解

log

final Logger org.xdi.oxauth.model.util.Base64Util.log = Logger.getLogger(Base64Util.class)

staticprivate

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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/OpenId/gluu/src/oxAuth/Model/src/main/java/org/xdi/oxauth/model/util/Base64Util.java