70 lines
3.4 KiB
Plaintext
70 lines
3.4 KiB
Plaintext
1.鉴权算法，我的userId:459810,appkey:3BeJti9supdvX4K+n/98Osx7Zmadd4ze9qR+EfXAfoQWiMXvqksrU0VDUZa7tDUQ
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Java代码示例
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import javax.crypto.Mac;
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import javax.crypto.spec.SecretKeySpec;
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import java.io.UnsupportedEncodingException;
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import java.net.URLEncoder;
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import java.security.InvalidKeyException;
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import java.security.NoSuchAlgorithmException;
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import java.util.Base64;
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public class Token {
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public static String assembleToken(String version, String resourceName, String expirationTime, String signatureMethod, String accessKey)
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throws UnsupportedEncodingException, NoSuchAlgorithmException, InvalidKeyException {
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StringBuilder sb = new StringBuilder();
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String res = URLEncoder.encode(resourceName, "UTF-8");
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String sig = URLEncoder.encode(generatorSignature(version, resourceName, expirationTime, accessKey, signatureMethod), "UTF-8");
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sb.append("version=")
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.append(version)
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.append("&res=")
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.append(res)
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.append("&et=")
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.append(expirationTime)
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.append("&method=")
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.append(signatureMethod)
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.append("&sign=")
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.append(sig);
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return sb.toString();
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}
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public static String generatorSignature(String version, String resourceName, String expirationTime, String accessKey, String signatureMethod)
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throws NoSuchAlgorithmException, InvalidKeyException {
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String encryptText = expirationTime + "\n" + signatureMethod + "\n" + resourceName + "\n" + version;
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String signature;
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byte[] bytes = HmacEncrypt(encryptText, accessKey, signatureMethod);
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signature = Base64.getEncoder().encodeToString(bytes);
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return signature;
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}
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public static byte[] HmacEncrypt(String data, String key, String signatureMethod)
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throws NoSuchAlgorithmException, InvalidKeyException {
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//根据给定的字节数组构造一个密钥,第二参数指定一个密钥算法的名称
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SecretKeySpec signinKey = null;
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signinKey = new SecretKeySpec(Base64.getDecoder().decode(key),
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"Hmac" + signatureMethod.toUpperCase());
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//生成一个指定 Mac 算法 的 Mac 对象
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Mac mac = null;
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mac = Mac.getInstance("Hmac" + signatureMethod.toUpperCase());
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//用给定密钥初始化 Mac 对象
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mac.init(signinKey);
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//完成 Mac 操作
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return mac.doFinal(data.getBytes());
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}
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public enum SignatureMethod {
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SHA1, MD5, SHA256;
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}
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public static void main(String[] args) throws UnsupportedEncodingException, NoSuchAlgorithmException, InvalidKeyException {
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String version = "2022-05-01";
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String resourceName = "userid/12321";
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//用户自定义token过期时间
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String expirationTime = System.currentTimeMillis() / 1000 + 3600 + "";
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String signatureMethod = SignatureMethod.SHA1.name().toLowerCase();
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String accessKey = "KuF3NT/jUBJ62LNBB/A8XZA9CqS3Cu79B/ABmfA1UCw=";
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String token = assembleToken(version, resourceName, expirationTime, signatureMethod, accessKey);
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System.out.println("Authorization:" + token);
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}
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} |