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Alipay openapi SDK for Java
Copyright © 2018 杭州蚂蚁金服
All rights reserved.
版权所有 （C）杭州蚂蚁金服
http://open.alipay.com
/**
* Alipay.com Inc. Copyright (c) 2004-2018 All Rights Reserved.
*/
package com.alipay.api.msg;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.internal.util.StringUtils;
import com.alipay.api.internal.util.json.*;
import java.io.Serializable;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author liuqun.lq
* @version $Id: Message.java, v 0.1 2018年08月31日 17:11 liuqun.lq Exp $
*/
public class Message implements Serializable {
private static final long serialVersionUID = 8280401559432634875L;
private static final Pattern DATA_PATTERN = Pattern.compile("\"data\"\\s*:\\s*\\{");
private String xType = "message";
private String xCmd;
private String xMessageId;
private String xStatus;
private String xCode;
private String xError;
private String xSignType;
private String xSign;
private String xCharset;
private Long xTimestamp;
private String xVersion = "1.0";
private String appId;
private String msgApi;
private String bizContent;
private String body;
public static Message fromStr(String str) throws IllegalArgumentException {
Message message = new Message();
message.setBody(str);
JSONReader reader = new JSONValidatingReader(new ExceptionErrorListener());
Object rootObj = reader.read(str);
if (!(rootObj instanceof Map)) {
throw new IllegalArgumentException("json format illegal.");
}
Map rootJson = (Map) rootObj;
if (!rootJson.containsKey("protocol")) {
throw new IllegalArgumentException("miss protocol part.");
}
if (!(rootJson.get("protocol") instanceof Map)) {
throw new IllegalArgumentException("protocol part format illegal.");
}
Map protocolJson = (Map) rootJson.get("protocol");
message.setxType((String) (protocolJson.get("x-type")));
if (StringUtils.isEmpty(message.getxType())) {
throw new IllegalArgumentException("miss x-type in protocol part.");
}
message.setxCmd((String) (protocolJson.get("x-cmd")));
message.setxMessageId((String) (protocolJson.get("x-msgId")));
message.setxStatus((String) (protocolJson.get("x-status")));
message.setxCode((String) (protocolJson.get("x-code")));
message.setxError((String) (protocolJson.get("x-error")));
message.setxCharset((String) (protocolJson.get("x-charset")));
message.setxSignType((String) (protocolJson.get("x-signType")));
message.setxSign((String) (protocolJson.get("x-sign")));
if (protocolJson.containsKey("x-timestamp")) {
Long xTimestamp = null;
String sTimestamp = (String) (protocolJson.get("x-timestamp"));
try {
xTimestamp = Long.parseLong(sTimestamp);
} catch (Throwable t) {
throw new IllegalArgumentException("x-timestamp format illegal. " + sTimestamp);
}
message.setxTimestamp(xTimestamp);
}
message.setxVersion((String) (protocolJson.get("x-version")));
if (rootJson.containsKey("data")) {
if (!(rootJson.get("data") instanceof Map)) {
throw new IllegalArgumentException("data part format illegal.");
}
Map dataJson = (Map) rootJson.get("data");
if (dataJson.containsKey("header")) {
if (!(dataJson.get("header") instanceof Map)) {
throw new IllegalArgumentException("header part format illegal.");
}
Map headerJson = (Map) dataJson.get("header");
message.setAppId((String) (headerJson.get("appId")));
message.setMsgApi((String) (headerJson.get("msgApi")));
}
if (dataJson.containsKey("content")) {
if (!(dataJson.get("content") instanceof Map)) {
throw new IllegalArgumentException("content part format illegal.");
}
JSONWriter writer = new JSONValidatingWriter(new ExceptionErrorListener());
message.setBizContent(writer.write(dataJson.get("content")));
}
}
return message;
}
public static String toStr(Message message) throws IllegalArgumentException {
if (message == null) {
return null;
}
if (!StringUtils.isEmpty(message.getBody())) {
return message.getBody();
}
if (StringUtils.isEmpty(message.getxType())) {
throw new IllegalArgumentException("xType required. " + message);
}
StringBuilder sb = new StringBuilder();
sb.append("{\"protocol\":{");
sb.append("\"x-type\":\"").append(message.getxType()).append("\",");
if (!StringUtils.isEmpty(message.getxCmd())) {
sb.append("\"x-cmd\":\"").append(message.getxCmd()).append("\",");
}
if (!StringUtils.isEmpty(message.getxMessageId())) {
sb.append("\"x-msgId\":\"").append(message.getxMessageId()).append("\",");
}
if (message.getxTimestamp() != null) {
sb.append("\"x-timestamp\":\"").append(message.getxTimestamp()).append("\",");
}
if (!StringUtils.isEmpty(message.getxVersion())) {
sb.append("\"x-version\":\"").append(message.getxVersion()).append("\",");
}
if (!StringUtils.isEmpty(message.getxStatus())) {
sb.append("\"x-status\":\"").append(message.getxStatus()).append("\",");
}
if (!StringUtils.isEmpty(message.getxCode())) {
sb.append("\"x-code\":\"").append(message.getxCode()).append("\",");
}
if (!StringUtils.isEmpty(message.getxError())) {
sb.append("\"x-error\":\"").append(message.getxError()).append("\",");
}
if (!StringUtils.isEmpty(message.getxCharset())) {
sb.append("\"x-charset\":\"").append(message.getxCharset()).append("\",");
}
if (!StringUtils.isEmpty(message.getxSignType())) {
sb.append("\"x-signType\":\"").append(message.getxSignType()).append("\",");
}
if (!StringUtils.isEmpty(message.getxSign())) {
sb.append("\"x-sign\":\"").append(message.getxSign()).append("\",");
}
if (',' == sb.charAt(sb.length() - 1)) {
sb.deleteCharAt(sb.length() - 1);
}
sb.append("}");
String data = genDataPart(message);
if (data != null) {
sb.append(",\"data\":").append(data);
}
sb.append("}");
message.setBody(sb.toString());
return message.getBody();
}
public static boolean checkSign(Message message, String alipayPublicKey) throws IllegalArgumentException {
if (!("message".equals(message.getxType()) && MsgConstants.MSG_CMD_CONSUME.equals(message.getxCmd()))) {
return true;
}
if (StringUtils.isEmpty(message.getxSignType()) || StringUtils.isEmpty(message.getxSign())
|| StringUtils.isEmpty(message.getxCharset()) || StringUtils.isEmpty(alipayPublicKey)) {
throw new IllegalArgumentException("can not check sign, miss x-signType or x-sign or x-charset.");
}
String signContent = extractSignContent(message.getBody());
if (StringUtils.isEmpty(signContent)) {
throw new IllegalArgumentException("can not check sign, miss signContent.");
}
try {
return AlipaySignature.rsaCheck(signContent, message.getxSign(), alipayPublicKey, message.getxCharset(),
message.getxSignType());
} catch (Throwable t) {
throw new IllegalArgumentException("check sign fail. exception:" + t.getCause().getMessage());
}
}
public static void addSign(Message message, String appPrivateKey) {
if (!("message".equals(message.getxType()) && MsgConstants.MSG_CMD_PRODUCE.equals(message.getxCmd()))) {
return;
}
if (StringUtils.isEmpty(message.getxSignType()) || StringUtils.isEmpty(message.getxCharset())
|| StringUtils.isEmpty(appPrivateKey)) {
throw new IllegalArgumentException("can not add sign, miss x-signType or x-charset.");
}
String signContent = genDataPart(message);
if (StringUtils.isEmpty(signContent)) {
throw new IllegalArgumentException("can not add sign, miss signContent.");
}
try {
message.setxSign(AlipaySignature.rsaSign(signContent, appPrivateKey, message.getxCharset(),
message.getxSignType()));
} catch (Throwable t) {
throw new IllegalArgumentException("add sign fail. exception:" + t.getMessage());
}
}
private static String extractSignContent(String str) {
if (str == null) {
return null;
}
Matcher m = DATA_PATTERN.matcher(str);
if (!m.find()) {
return null;
}
return AlipaySignature.extractSignContent(str, m.end() - 1).getSourceData();
}
private static String genDataPart(Message message) {
StringBuilder dataSb = new StringBuilder();
dataSb.append("{\"header\":{");
if (!StringUtils.isEmpty(message.getAppId())) {
dataSb.append("\"appId\":\"").append(message.getAppId()).append("\",");
}
if (!StringUtils.isEmpty(message.getMsgApi())) {
dataSb.append("\"msgApi\":\"").append(message.getMsgApi()).append("\",");
}
if (',' == dataSb.charAt(dataSb.length() - 1)) {
dataSb.deleteCharAt(dataSb.length() - 1);
}
dataSb.append("}");
if (!StringUtils.isEmpty(message.getBizContent())) {
JSONValidator jsonValidator = new JSONValidator(new ExceptionErrorListener());
if (!jsonValidator.validate(message.getBizContent())) {
throw new IllegalArgumentException("bizContent json format illegal.");
}
dataSb.append(",\"content\":").append(message.getBizContent());
}
dataSb.append("}");
String data = dataSb.toString();
if ("{\"header\":{}}".equals(data)) {
data = null;
}
return data;
}
/**
* Getter method for property xType.
*
* @return property value of xType
*/
public String getxType() {
return xType;
}
/**
* Setter method for property xType.
*
* @param xType value to be assigned to property xType
*/
public void setxType(String xType) {
this.xType = xType;
}
/**
* Getter method for property xCmd.
*
* @return property value of xCmd
*/
public String getxCmd() {
return xCmd;
}
/**
* Setter method for property xCmd.
*
* @param xCmd value to be assigned to property xCmd
*/
public void setxCmd(String xCmd) {
this.xCmd = xCmd;
}
/**
* Getter method for property xMessageId.
*
* @return property value of xMessageId
*/
public String getxMessageId() {
return xMessageId;
}
/**
* Setter method for property xMessageId.
*
* @param xMessageId value to be assigned to property xMessageId
*/
public void setxMessageId(String xMessageId) {
this.xMessageId = xMessageId;
}
/**
* Getter method for property xStatus.
*
* @return property value of xStatus
*/
public String getxStatus() {
return xStatus;
}
/**
* Setter method for property xStatus.
*
* @param xStatus value to be assigned to property xStatus
*/
public void setxStatus(String xStatus) {
this.xStatus = xStatus;
}
/**
* Getter method for property xCode.
*
* @return property value of xCode
*/
public String getxCode() {
return xCode;
}
/**
* Setter method for property xCode.
*
* @param xCode value to be assigned to property xCode
*/
public void setxCode(String xCode) {
this.xCode = xCode;
}
/**
* Getter method for property xError.
*
* @return property value of xError
*/
public String getxError() {
return xError;
}
/**
* Setter method for property xError.
*
* @param xError value to be assigned to property xError
*/
public void setxError(String xError) {
this.xError = xError;
}
/**
* Getter method for property xSignType.
*
* @return property value of xSignType
*/
public String getxSignType() {
return xSignType;
}
/**
* Setter method for property xSignType.
*
* @param xSignType value to be assigned to property xSignType
*/
public void setxSignType(String xSignType) {
this.xSignType = xSignType;
}
/**
* Getter method for property xSign.
*
* @return property value of xSign
*/
public String getxSign() {
return xSign;
}
/**
* Setter method for property xSign.
*
* @param xSign value to be assigned to property xSign
*/
public void setxSign(String xSign) {
this.xSign = xSign;
}
/**
* Getter method for property xCharset.
*
* @return property value of xCharset
*/
public String getxCharset() {
return xCharset;
}
/**
* Setter method for property xCharset.
*
* @param xCharset value to be assigned to property xCharset
*/
public void setxCharset(String xCharset) {
this.xCharset = xCharset;
}
/**
* Getter method for property xTimestamp.
*
* @return property value of xTimestamp
*/
public Long getxTimestamp() {
return xTimestamp;
}
/**
* Setter method for property xTimestamp.
*
* @param xTimestamp value to be assigned to property xTimestamp
*/
public void setxTimestamp(Long xTimestamp) {
this.xTimestamp = xTimestamp;
}
/**
* Getter method for property xVersion.
*
* @return property value of xVersion
*/
public String getxVersion() {
return xVersion;
}
/**
* Setter method for property xVersion.
*
* @param xVersion value to be assigned to property xVersion
*/
public void setxVersion(String xVersion) {
this.xVersion = xVersion;
}
/**
* Getter method for property appId.
*
* @return property value of appId
*/
public String getAppId() {
return appId;
}
/**
* Setter method for property appId.
*
* @param appId value to be assigned to property appId
*/
public void setAppId(String appId) {
this.appId = appId;
}
/**
* Getter method for property msgApi.
*
* @return property value of msgApi
*/
public String getMsgApi() {
return msgApi;
}
/**
* Setter method for property msgApi.
*
* @param msgApi value to be assigned to property msgApi
*/
public void setMsgApi(String msgApi) {
this.msgApi = msgApi;
}
/**
* Getter method for property bizContent.
*
* @return property value of bizContent
*/
public String getBizContent() {
return bizContent;
}
/**
* Setter method for property bizContent.
*
* @param bizContent value to be assigned to property bizContent
*/
public void setBizContent(String bizContent) {
this.bizContent = bizContent;
}
/**
* Getter method for property body.
*
* @return property value of body
*/
public String getBody() {
return body;
}
/**
* Setter method for property body.
*
* @param body value to be assigned to property body
*/
public void setBody(String body) {
this.body = body;
}
@Override
public String toString() {
return "Message{" +
"body='" + body + '\'' +
'}';
}
}