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@ -1,6 +1,8 @@ |
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package com.hai.common.utils; |
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import com.google.common.collect.Maps; |
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import com.hai.common.pay.util.sdk.WXPayConstants; |
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import com.hai.common.pay.util.sdk.WXPayXmlUtil; |
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import com.thoughtworks.xstream.XStream; |
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import com.thoughtworks.xstream.io.naming.NoNameCoder; |
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import com.thoughtworks.xstream.io.xml.XppDriver; |
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@ -8,6 +10,12 @@ import net.sf.cglib.beans.BeanMap; |
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import javax.crypto.Mac; |
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import javax.crypto.spec.SecretKeySpec; |
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import javax.xml.transform.OutputKeys; |
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import javax.xml.transform.Transformer; |
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import javax.xml.transform.TransformerFactory; |
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import javax.xml.transform.dom.DOMSource; |
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import javax.xml.transform.stream.StreamResult; |
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import java.io.StringWriter; |
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import java.security.MessageDigest; |
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import java.security.SecureRandom; |
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import java.util.*; |
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@ -18,6 +26,7 @@ public class WxUtils { |
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private static final String SYMBOLS = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; |
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/** |
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* 生成签名 |
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* |
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@ -62,7 +71,7 @@ public class WxUtils { |
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// 拼接key
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sb.append("key=").append(mchKey); |
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// MD5加密
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// HMACSHA256加密
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String sign = HMACSHA256(sb.toString(), mchKey).toUpperCase(); |
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return sign; |
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} |
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@ -133,17 +142,15 @@ public class WxUtils { |
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* @throws Exception |
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*/ |
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public static String HMACSHA256(String data, String key) throws Exception { |
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String hash = ""; |
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try { |
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Mac sha256_HMAC = Mac.getInstance("HmacSHA256"); |
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SecretKeySpec secret_key = new SecretKeySpec(key.getBytes(), "HmacSHA256"); |
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sha256_HMAC.init(secret_key); |
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byte[] bytes = sha256_HMAC.doFinal(data.getBytes()); |
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hash = byteArrayToHexString(bytes); |
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} catch (Exception e) { |
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System.out.println("Error HmacSHA256 ===========" + e.getMessage()); |
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} |
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return hash.toUpperCase(); |
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Mac sha256_HMAC = Mac.getInstance("HmacSHA256"); |
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SecretKeySpec secret_key = new SecretKeySpec(key.getBytes("UTF-8"), "HmacSHA256"); |
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sha256_HMAC.init(secret_key); |
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byte[] array = sha256_HMAC.doFinal(data.getBytes("UTF-8")); |
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StringBuilder sb = new StringBuilder(); |
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for (byte item : array) { |
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sb.append(Integer.toHexString((item & 0xFF) | 0x100).substring(1, 3)); |
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} |
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return sb.toString().toUpperCase(); |
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} |
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/** |
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@ -199,5 +206,90 @@ public class WxUtils { |
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} |
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/** |
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* 生成签名. 注意，若含有sign_type字段，必须和signType参数保持一致。 |
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* |
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* @param data 待签名数据 |
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* @param key API密钥 |
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* @param signType 签名方式 |
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* @return 签名 |
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*/ |
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public static String generateSignature(final Map<String, String> data, String key, WXPayConstants.SignType signType) throws Exception { |
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Set<String> keySet = data.keySet(); |
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String[] keyArray = keySet.toArray(new String[keySet.size()]); |
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Arrays.sort(keyArray); |
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StringBuilder sb = new StringBuilder(); |
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for (String k : keyArray) { |
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if (k.equals(WXPayConstants.FIELD_SIGN)) { |
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continue; |
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} |
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if (data.get(k).trim().length() > 0) // 参数值为空，则不参与签名
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sb.append(k).append("=").append(data.get(k).trim()).append("&"); |
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} |
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sb.append("key=").append(key); |
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if (WXPayConstants.SignType.MD5.equals(signType)) { |
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return MD5(sb.toString()).toUpperCase(); |
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} |
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else if (WXPayConstants.SignType.HMACSHA256.equals(signType)) { |
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return HMACSHA256(sb.toString(), key); |
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} |
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else { |
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throw new Exception(String.format("Invalid sign_type: %s", signType)); |
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} |
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} |
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/** |
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* 生成 MD5 |
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* |
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* @param data 待处理数据 |
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* @return MD5结果 |
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*/ |
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public static String MD5(String data) throws Exception { |
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java.security.MessageDigest md = MessageDigest.getInstance("MD5"); |
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byte[] array = md.digest(data.getBytes("UTF-8")); |
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StringBuilder sb = new StringBuilder(); |
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for (byte item : array) { |
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sb.append(Integer.toHexString((item & 0xFF) | 0x100).substring(1, 3)); |
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} |
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return sb.toString().toUpperCase(); |
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} |
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/** |
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* 将Map转换为XML格式的字符串 |
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* |
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* @param data Map类型数据 |
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* @return XML格式的字符串 |
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* @throws Exception |
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*/ |
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public static String mapToXml(Map<String, String> data) throws Exception { |
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org.w3c.dom.Document document = WXPayXmlUtil.newDocument(); |
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org.w3c.dom.Element root = document.createElement("xml"); |
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document.appendChild(root); |
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for (String key: data.keySet()) { |
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String value = data.get(key); |
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if (value == null) { |
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value = ""; |
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} |
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value = value.trim(); |
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org.w3c.dom.Element filed = document.createElement(key); |
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filed.appendChild(document.createTextNode(value)); |
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root.appendChild(filed); |
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} |
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TransformerFactory tf = TransformerFactory.newInstance(); |
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Transformer transformer = tf.newTransformer(); |
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DOMSource source = new DOMSource(document); |
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transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8"); |
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transformer.setOutputProperty(OutputKeys.INDENT, "yes"); |
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StringWriter writer = new StringWriter(); |
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StreamResult result = new StreamResult(writer); |
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transformer.transform(source, result); |
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String output = writer.getBuffer().toString(); //.replaceAll("\n|\r", "");
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try { |
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writer.close(); |
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} |
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catch (Exception ex) { |
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} |
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return output; |
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} |
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} |
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