Java Code Examples for cn.hutool.core.codec.Base64#encode()

public static String sogouWebOcr(byte[] imgData) {
    String url = "https://deepi.sogou.com/api/sogouService";
    String referer = "https://deepi.sogou.com/?from=picsearch&tdsourcetag=s_pctim_aiomsg";
    String imageData = Base64.encode(imgData);
    long t = System.currentTimeMillis();
    String sign = SecureUtil.md5("sogou_ocr_just_for_deepibasicOpenOcr" + t + imageData.substring(0, Math.min(1024, imageData.length())) + "4b66a37108dab018ace616c4ae07e644");
    Map<String, Object> data = new HashMap<>();
    data.put("image", imageData);
    data.put("lang", "zh-Chs");
    data.put("pid", "sogou_ocr_just_for_deepi");
    data.put("salt", t);
    data.put("service", "basicOpenOcr");
    data.put("sign", sign);
    HttpRequest request = HttpUtil.createPost(url).timeout(15000);
    request.form(data);
    request.header("Referer", referer);
    HttpResponse response = request.execute();
    return extractSogouResult(WebUtils.getSafeHtml(response));
}
 

@PutMapping("mfa/generate")
@ApiOperation("Generate Multi-Factor Auth qr image")
@DisableOnCondition
public MultiFactorAuthVO generateMFAQrImage(@RequestBody MultiFactorAuthParam multiFactorAuthParam, User user) {
    if (MFAType.NONE == user.getMfaType()) {
        if (MFAType.TFA_TOTP == multiFactorAuthParam.getMfaType()) {
            String mfaKey = TwoFactorAuthUtils.generateTFAKey();
            String optAuthUrl = TwoFactorAuthUtils.generateOtpAuthUrl(user.getNickname(), mfaKey);
            String qrImageBase64 = "data:image/png;base64," +
                Base64.encode(QrCodeUtil.generatePng(optAuthUrl, 128, 128));
            return new MultiFactorAuthVO(qrImageBase64, optAuthUrl, mfaKey, MFAType.TFA_TOTP);
        } else {
            throw new BadRequestException("暂不支持的 MFA 认证的方式");
        }
    } else {
        throw new BadRequestException("MFA 认证已启用，无需重复操作");
    }
}
 

public static String fileToBase64(File file) throws Exception {
    FileInputStream inputFile = new FileInputStream(file);
    String base64;
    byte[] buffer = new byte[(int)file.length()];
    inputFile.read(buffer);
    inputFile.close();
    base64= Base64.encode(buffer);
    return base64.replaceAll("[\\s*\t\n\r]", "");
}
 

/**
     * 设置加密的校验码
     */
    private void setkey(String keyStr) {
        try {
            // L.cm 2015-01-20 将加密的密匙Base64
            // fix Caused by: java.security.InvalidKeyException: Wrong key size
//            String desKey = Base64.encodeBase64String(keyStr.getBytes("UTF-8"));
            String desKey = Base64.encode(keyStr.getBytes("UTF-8"));
            DESKeySpec objDesKeySpec = new DESKeySpec(desKey.getBytes("UTF-8"));
            SecretKeyFactory objKeyFactory = SecretKeyFactory.getInstance("DES");
            key = objKeyFactory.generateSecret(objDesKeySpec);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
 

public final String encryptString(String str) {
    byte[] bytes = str.getBytes();
    try {
        Cipher cipher = Cipher.getInstance("DES");
        cipher.init(Cipher.ENCRYPT_MODE, key);
        byte[] encryptStrBytes = cipher.doFinal(bytes);
        return Base64.encode(encryptStrBytes);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

public static String encoderByMd5(String str) throws UnsupportedEncodingException {
    MessageDigest md5;
    String newstr = "";
    try {
        md5 = MessageDigest.getInstance("MD5");
        //加密后的字符串
        newstr = Base64.encode(md5.digest(str.getBytes(StandardCharsets.UTF_8)));
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return newstr;
}
 

public static String fileToBase64(File file) throws Exception {
    FileInputStream inputFile = new FileInputStream(file);
    String base64;
    byte[] buffer = new byte[(int)file.length()];
    inputFile.read(buffer);
    inputFile.close();
    base64=Base64.encode(buffer);
    return base64.replaceAll("[\\s*\t\n\r]", "");
}
 

/**
 * c3dhZ2dlcjpzd2FnZ2Vy
 *
 * @throws Exception
 */
@Test
public void decode() throws Exception {
	String encode = Base64.encode("swagger:swagger");
	System.out.println(encode);
	byte[] base64Token = encode.getBytes(StandardCharsets.UTF_8);
	byte[] decoded = Base64.decode(base64Token);
	String token = new String(decoded, StandardCharsets.UTF_8);
	System.out.println(token);

}