Example usage for java.util Base64 getDecoder

Introduction

In this page you can find the example usage for java.util Base64 getDecoder.

Prototype

public static Decoder getDecoder() 

Source Link

Document

Returns a Decoder that decodes using the Basic type base64 encoding scheme.

Usage

From source file:com.thoughtworks.go.server.newsecurity.utils.BasicAuthHeaderExtractor.java

public static UsernamePassword extractBasicAuthenticationCredentials(String authorizationHeader) {
    if (isBlank(authorizationHeader)) {
        return null;
    }//from   w ww. ja  v  a  2 s.c  o m

    final Matcher matcher = BASIC_AUTH_EXTRACTOR_PATTERN.matcher(authorizationHeader);
    if (matcher.matches()) {
        final String encodedCredentials = matcher.group(1);
        final byte[] decode = Base64.getDecoder().decode(encodedCredentials);
        String decodedCredentials = new String(decode, StandardCharsets.UTF_8);

        final int indexOfSeparator = decodedCredentials.indexOf(':');
        if (indexOfSeparator == -1) {
            throw new BadCredentialsException("Invalid basic authentication credentials specified in request.");
        }

        final String username = decodedCredentials.substring(0, indexOfSeparator);
        final String password = decodedCredentials.substring(indexOfSeparator + 1);

        return new UsernamePassword(username, password);
    }

    return null;
}

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From source file:com.esri.geoportal.harvester.api.base.SimpleScrambler.java

/**
 * Decodes string.//from   ww  w  .j  av a2s  .  c om
 * @param encoded encoded string to decode
 * @return decoded string or <code>null</code> if error decoding string
 */
public static String decode(String encoded) {
    try {
        encoded = StringUtils.defaultIfEmpty(encoded, "");
        Base64.Decoder decoder = Base64.getDecoder();
        String crctxt = new String(decoder.decode(encoded), "UTF-8");
        if (crctxt.length() < 10) {
            return null;
        }
        long crc = Long.parseLong(StringUtils.trimToEmpty(crctxt.substring(0, 10)));
        String txt = crctxt.substring(10);
        CRC32 crC32 = new CRC32();
        crC32.update(txt.getBytes("UTF-8"));
        if (crc != crC32.getValue()) {
            return null;
        }
        return txt;
    } catch (NumberFormatException | UnsupportedEncodingException ex) {
        return null;
    }
}

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From source file:net.sourceforge.fenixedu.presentationTier.servlets.filters.FenixOAuthToken.java

public static FenixOAuthToken parse(String oAuthToken) throws FenixOAuthTokenException {

    if (StringUtils.isBlank(oAuthToken)) {
        throw new FenixOAuthTokenException();
    }/* w ww.  ja  v a  2  s . c o m*/

    String accessTokenDecoded = new String(Base64.getDecoder().decode(oAuthToken));
    String[] accessTokenBuilder = accessTokenDecoded.split(":");

    if (accessTokenBuilder.length != 2) {
        throw new FenixOAuthTokenException();
    }

    String appUserSessionExternalId = accessTokenBuilder[0];
    String accessToken = accessTokenBuilder[1];

    LOGGER.info("AccessToken: {}", accessTokenDecoded);
    LOGGER.info("[0] AppUserSesson ID: {}", appUserSessionExternalId);
    LOGGER.info("[1] Random: {}", accessTokenBuilder[1]);

    AppUserSession appUserSession = appUserSession(appUserSessionExternalId);

    if (appUserSession == null || !appUserSession.isActive()) {
        throw new FenixOAuthTokenException();
    }

    return new FenixOAuthToken(appUserSession, accessToken);
}

---

From source file:os4.serv.XMLTools.java

public static byte[] decodeByteArray(String xml) {
    return Base64.getDecoder().decode(xml);
}

---

From source file:Main.java

private static void serializeObjectAsXml(JsonObject objectJson, StringBuffer buff) {
    Iterator elements = objectJson.entrySet().iterator();
    while (elements.hasNext()) {
        Entry entry = (Entry) elements.next();
        Object key = entry.getKey();
        Object value = entry.getValue();
        if (value instanceof JsonObject) {
            buff.append(LT).append(key);
            serializeObjectAttributes((JsonObject) value, buff);
            buff.append(GT);//from w  w w . j  a  v a2  s .  c om
            serializeObjectAsXml((JsonObject) value, buff);
            buff.append(LTS).append(key).append(GT);
        } else if (value instanceof JsonArray) {
            serializeArrayAsXml(buff, key, value);
        } else if (value instanceof JsonPrimitive) {
            if (ATTR_TEXT.equals(key)) {
                buff.append(value.toString().replace(EQ, EMPTY));
            } else if (ATTR_CDATA.equals(key)) {
                buff.append(CDATA_OPEN)
                        .append(new String(Base64.getDecoder().decode(value.toString().replace(EQ, EMPTY))))
                        .append(CDATA_CLOSE);
            } else {
                if (!key.toString().startsWith("-")) {
                    buff.append(LT).append(key.toString()).append(GT)
                            .append(value.toString().replace(EQ, EMPTY)).append(LTS).append(key.toString())
                            .append(GT);
                }
            }
        } else {
            System.err.println("ERROR: unhandled element");
        }
    }
}

---

From source file:it.infn.mw.iam.util.ssh.RSAPublicKeyUtils.java

private static String buildSHA256Fingerprint(String key) throws InvalidSshKeyException {

    String fingerprint = null;//from   w ww  . j  a v a 2  s .  c  o m

    try {

        byte[] decodedKey = Base64.getDecoder().decode(key);
        byte[] digest = MessageDigest.getInstance(MessageDigestAlgorithms.SHA_256).digest(decodedKey);
        fingerprint = Base64.getEncoder().encodeToString(digest);

    } catch (Exception e) {

        throw new InvalidSshKeyException("Error during fingerprint generation: RSA key is not base64 encoded",
                e);
    }

    return fingerprint;
}

---

From source file:br.com.localizae.model.service.FileServiceLocal.java

@Override
public void upload(File file) throws Exception {
    Connection conn = null;//from  w ww. ja  v  a 2  s . c om

    try {
        conn = ConnectionManager.getInstance().getConnection();
        FileDAO dao = new FileDAO();

        dao.create(conn, file);

        if (!file.getBase64().isEmpty()) {
            byte[] data = Base64.getDecoder().decode(file.getBase64());
            try (OutputStream stream = new FileOutputStream(Constantes.PATH_FILE + file.getUri())) {
                stream.write(data);
            }
        } else if (file.getFile().length != 0) {
            FileOutputStream fos = new FileOutputStream(Constantes.PATH_FILE + file.getUri());
            fos.write(file.getFile());

            fos.close();
        } else {
            throw new IllegalArgumentException(
                    " necessrio o envio do arquivo como array de byte ou como base64.");
        }

        conn.commit();
    } catch (Exception e) {
        conn.rollback();

        throw e;
    } finally {
        conn.close();
    }
}

---

From source file:org.khannex.action.Command.java

public void addParam(String value) {
    if (value != null && !value.trim().isEmpty()) {
        if (org.apache.commons.codec.binary.Base64.isBase64(value.getBytes())) {
            params.add(new String(Base64.getDecoder().decode(value)));
        } else {//ww  w  .  j a va  2  s  .co m
            params.add(value);
        }
    }
}

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From source file:com.searchcode.app.util.AESEncryptor.java

public String decryptFromBase64String(String cipherText) throws Exception {
    byte[] plainText = this.decrypt(Base64.getDecoder().decode(cipherText));
    return new String(plainText);
}

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From source file:tk.jomp16.plugin.codecutils.ui.EncodeDecodePanel.java

public EncodeDecodePanel(boolean encode) {
    base64Button.addActionListener(e -> {
        if (encode) {
            if (inputTextArea.getText().length() != 0)
                outputTextArea/*from   w  w  w .  j  av  a 2 s.  co m*/
                        .setText(new String(Base64.getEncoder().encode(inputTextArea.getText().getBytes())));
        } else {
            if (inputTextArea.getText().length() != 0)
                outputTextArea.setText(new String(Base64.getDecoder().decode(inputTextArea.getText())));
        }
    });

    hexadecimalButton.addActionListener(e -> {
        if (encode) {
            if (inputTextArea.getText().length() != 0)
                outputTextArea.setText(String.valueOf(Hex.encodeHex(inputTextArea.getText().getBytes())));
        } else {
            if (inputTextArea.getText().length() != 0) {
                try {
                    outputTextArea.setText(new String(Hex.decodeHex(inputTextArea.getText().toCharArray())));
                } catch (DecoderException e1) {
                    e1.printStackTrace();
                }
            }
        }
    });

    binaryButton.addActionListener(e -> {
        if (encode) {
            if (inputTextArea.getText().length() != 0)
                outputTextArea.setText(CodecUtils.getBinary(inputTextArea.getText()));
        } else {
            if (inputTextArea.getText().length() != 0)
                outputTextArea.setText(
                        new String(BinaryCodec.fromAscii(inputTextArea.getText().replace(" ", "").getBytes())));
        }
    });
}

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