Walmart 提供了一个 java 示例来生成新 api 所需的签名:
使用私钥生成的签名,并对消费者 id、时间戳和密钥版本的值进行签名。此签名的 TTL 为 180 秒。发布后,API 代理将抛出“时间戳过期”错误。
Java 代码
//package com.walmart.platform.common;
import java.io.ObjectStreamException;
import java.security.KeyRep;
import java.security.PrivateKey;
import java.security.Signature;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;
import org.apache.commons.codec.binary.Base64;
public class SignatureGenerator {
public static void main(String[] args) {
SignatureGenerator generator = new SignatureGenerator();
String consumerId = "XXXXXXXXXXX";
String priviateKeyVersion = "1";
String privateKey = "XXXXXXXXXXX";
long intimestamp = System.currentTimeMillis();
System.out.println("consumerId: " + consumerId);
System.out.println("intimestamp: " + intimestamp);
Map<String, String> map = new HashMap<>();
map.put("WM_CONSUMER.ID", consumerId);
map.put("WM_CONSUMER.INTIMESTAMP", Long.toString(intimestamp));
map.put("WM_SEC.KEY_VERSION", priviateKeyVersion);
String[] array = canonicalize(map);
String data = null;
try {
data = generator.generateSignature(privateKey, array[1]);
} catch(Exception e) { }
System.out.println("Signature: " + data);
}
public String generateSignature(String key, String stringToSign) throws Exception {
Signature signatureInstance = Signature.getInstance("SHA256WithRSA");
ServiceKeyRep keyRep = new ServiceKeyRep(KeyRep.Type.PRIVATE, "RSA", "PKCS#8", Base64.decodeBase64(key));
PrivateKey resolvedPrivateKey = (PrivateKey) keyRep.readResolve();
signatureInstance.initSign(resolvedPrivateKey);
byte[] bytesToSign = stringToSign.getBytes("UTF-8");
signatureInstance.update(bytesToSign);
byte[] signatureBytes = signatureInstance.sign();
String signatureString = Base64.encodeBase64String(signatureBytes);
return signatureString;
}
protected static String[] canonicalize(Map<String, String> headersToSign) {
StringBuffer canonicalizedStrBuffer=new StringBuffer();
StringBuffer parameterNamesBuffer=new StringBuffer();
Set<String> keySet=headersToSign.keySet();
// Create sorted key set to enforce order on the key names
SortedSet<String> sortedKeySet=new TreeSet<String>(keySet);
for (String key :sortedKeySet) {
Object val=headersToSign.get(key);
parameterNamesBuffer.append(key.trim()).append(";");
canonicalizedStrBuffer.append(val.toString().trim()).append("\n");
}
return new String[] {parameterNamesBuffer.toString(), canonicalizedStrBuffer.toString()};
}
class ServiceKeyRep extends KeyRep {
private static final long serialVersionUID = -7213340660431987616L;
public ServiceKeyRep(Type type, String algorithm, String format, byte[] encoded) {
super(type, algorithm, format, encoded);
}
protected Object readResolve() throws ObjectStreamException {
return super.readResolve();
}
}
}
有人有PHP等价物吗?