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導讀微信小程序，簡稱小程序，英文名Mini Program，是一種不需要下載安裝即可使用的應用，它實現了應用“觸手可及”的夢想，用戶掃一掃或搜一下即可打開應用。小程序是一種不用下載就能使用的應用，也是一... 微信小程序，簡稱小程序，英文名Mini Program，是一種不需要下載安裝即可使用的應用，它實現了應用“觸手可及”的夢想，用戶掃一掃或搜一下即可打開應用。小程序是一種不用下載就能使用的應用，也是一項門檻非常高的創新，經過將近兩年的發展，已經構造了新的小程序開發環境和開發者生態。 這篇文章主要介紹了微信小程序 用戶數據解密詳細介紹的相關資料,需要的朋友可以參考下微信小程序 用戶數據解密 官方指引圖：
引導圖一步一步操作 1、獲取code onLoad: function (options) {
// 頁面初始化 options為頁面跳轉所帶來的參數
let that = this
wx.login({
success: function (res) {
// success
let code = res.code
that.setData({ code: code })
wx.getUserInfo({
success: function (res) {
// success
that.setData({ userInfo: res.userInfo })
that.setData({ iv: res.iv })
that.setData({ encryptedData: res.encryptedData })
that.get3rdSession()
}
})
}
})
}2、發送code到第三方服務器，獲取3rd_session get3rdSession:function(){
let that = this
wx.request({
url: 'https://localhost:8443/get3rdSession',
data: {
code: this.data.code
},
method: 'GET', // OPTIONS, GET, HEAD, POST, PUT, DELETE, TRACE, CONNECT
// header: {}, // 設置請求的 header
success: function (res) {
// success
var sessionId = res.data.session;
that.setData({ sessionId: sessionId })
wx.setStorageSync('sessionId', sessionId)
that.decodeUserInfo()
}
})
}3、在第三方服務器上發送appid、appsecret、code到微信服務器換取session_key和openid 這里使用JFinal搭建的服務器 Redis配置 public void configPlugin(Plugins me) {
//用于緩存userinfo模塊的redis服務
RedisPlugin userInfoRedis = new RedisPlugin("userInfo","localhost");
me.add(userInfoRedis);
}獲取第三方session public void get3rdSession() {
//獲取名為userInfo的Redis Cache對象
Cache userInfoCache = Redis.use("userInfo");
String sessionId = "";
JSONObject json = new JSONObject();
String code = getPara("code");
String url = "https://api.weixin.qq.com/sns/jscode2session?appid=wx7560b8008e2c445d&secret=f1af3312b7038513fd17dd9cbc3b357c&js_code=" + code + "&grant_type=authorization_code";
//執行命令生成3rd_session
String session = ExecLinuxCMDUtil.instance.exec("cat /dev/urandom |od -x | tr -d ' '| head -n 1").toString();
json.put("session", session);
//創建默認的httpClient實例
CloseableHttpClient httpClient = getHttpClient();
try {
//用get方法發送http請求
HttpGet get = new HttpGet(url);
System.out.println("執行get請求:...." + get.getURI());
CloseableHttpResponse httpResponse = null;
//發送get請求
httpResponse = httpClient.execute(get);
try {
//response實體
HttpEntity entity = httpResponse.getEntity();
if (null != entity) {
String result = EntityUtils.toString(entity);
System.out.println(result);
JSONObject resultJson = JSONObject.fromObject(result);
String session_key = resultJson.getString("session_key");
String openid = resultJson.getString("openid");
//session存儲
userInfoCache.set(session,session_key+","+openid);
}
} finally {
httpResponse.close();
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
closeHttpClient(httpClient);
} catch (IOException e) {
e.printStackTrace();
}
}
renderJson(json);
}
private CloseableHttpClient getHttpClient() {
return HttpClients.createDefault();
}
private void closeHttpClient(CloseableHttpClient client) throws IOException {
if (client != null) {
client.close();
}
}ExecLinuxCMDUtil.Java import java.io.InputStreamReader;
import java.io.LineNumberReader;
/**
* java在linux環境下執行linux命令，然后返回命令返回值。
* Created by LJaer on 16/12/22.
*/
public class ExecLinuxCMDUtil {
public static final ExecLinuxCMDUtil instance = new ExecLinuxCMDUtil();
public static Object exec(String cmd) {
try {
String[] cmdA = { "/bin/sh", "-c", cmd };
Process process = Runtime.getRuntime().exec(cmdA);
LineNumberReader br = new LineNumberReader(new InputStreamReader(
process.getInputStream()));
StringBuffer sb = new StringBuffer();
String line;
while ((line = br.readLine()) != null) {
System.out.println(line);
sb.append(line).append("\n");
}
return sb.toString();
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
}4、解密用戶數據 decodeUserInfo:function(){
let that = this
wx.request({
url: 'https://localhost:8443/decodeUserInfo',
data: {
encryptedData: that.data.encryptedData,
iv: that.data.iv,
session: wx.getStorageSync('sessionId')
},
method: 'GET', // OPTIONS, GET, HEAD, POST, PUT, DELETE, TRACE, CONNECT
// header: {}, // 設置請求的 header
success: function (res) {
// success
console.log(res)
}
})
}console輸出結果：
后端解密代碼 /**
* 解密用戶敏感數據
*/
public void decodeUserInfo(){
String encryptedData = getPara("encryptedData");
String iv = getPara("iv");
String session = getPara("session");
//從緩存中獲取session_key
//獲取名稱為userInfo的Redis Cache對象
Cache userInfoRedis = Redis.use("userInfo");
Object wxSessionObj = userInfoRedis.get(session);
if(null==wxSessionObj){
renderNull();
}
String wxSessionStr = (String)wxSessionObj;
String session_key = wxSessionStr.split(",")[0];
try {
byte[] resultByte = AESUtil.instance.decrypt(Base64.decodeBase64(encryptedData), Base64.decodeBase64(session_key), Base64.decodeBase64(iv));
if(null != resultByte && resultByte.length > 0){
String userInfo = new String(resultByte, "UTF-8");
System.out.println(userInfo);
JSONObject json = JSONObject.fromObject(userInfo); //將字符串{“id”：1}
renderJson(json);
}
} catch (InvalidAlgorithmParameterException e) {
e.printStackTrace();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}AESUtil.java import org.bouncycastle.jce.provider.BouncyCastleProvider;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import java.security.*;
public class AESUtil {
public static final AESUtil instance = new AESUtil();
public static boolean initialized = false;
/**
* AES解密
* @param content 密文
* @return
* @throws InvalidAlgorithmParameterException
* @throws NoSuchProviderException
*/
public byte[] decrypt(byte[] content, byte[] keyByte, byte[] ivByte) throws InvalidAlgorithmParameterException {
initialize();
try {
Cipher cipher = Cipher.getInstance("AES/CBC/PKCS7Padding");
Key sKeySpec = new SecretKeySpec(keyByte, "AES");
cipher.init(Cipher.DECRYPT_MODE, sKeySpec, generateIV(ivByte));// 初始化
byte[] result = cipher.doFinal(content);
return result;
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (NoSuchPaddingException e) {
e.printStackTrace();
} catch (InvalidKeyException e) {
e.printStackTrace();
} catch (IllegalBlockSizeException e) {
e.printStackTrace();
} catch (BadPaddingException e) {
e.printStackTrace();
} catch (NoSuchProviderException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
public static void initialize(){
if (initialized) return;
Security.addProvider(new BouncyCastleProvider());
initialized = true;
}
//生成iv
public static AlgorithmParameters generateIV(byte[] iv) throws Exception{
AlgorithmParameters params = AlgorithmParameters.getInstance("AES");
params.init(new IvParameterSpec(iv));
return params;
}
}感謝閱讀，希望能幫助到大家，謝謝大家對本站的支持！ 以上就是微信小程序用戶數據解密（收藏)的詳細內容，更多請關注php中文網其它相關文章！ 小程序是一種不需要下載安裝即可使用的應用，它實現了應用“觸手可及”的夢想，用戶掃一掃或者搜一下即可打開應用。 |
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