2021-11-15 1.更新

JLChen

2021-11-15 501b06cda2eeda60456f317da3074b6c19cc9495

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package com.hdl.sdk.connect.config;
 
import android.text.TextUtils;
 
import com.hdl.sdk.common.config.TopicConstant;
import com.hdl.sdk.common.utils.SPUtils;
 
 
/**
 * Created by jlchen on 11/11/21.
 *
 * @Description : HDLLinkConfig
 */
public class HDLLinkConfig {
    private static final String Authenticate_LS_KEY = "auth_ls_key";
    private static final String AUTHENTICATE_GATEWAYID_KEY = "auth_gatewayid_key";
    private static final String AUTHENTICATE_IPADDRESS_KEY = "auth_ipaddress_key";
 
    private String localSecret;//本地加密密钥
    private String gatewayId;
    private String ipAddress;
    private boolean isLocalEncrypt;//网关是否需要加密通讯
 
    /**
     * instance
     */
    private volatile static HDLLinkConfig instance;
    /**
     * getInstance
     *
     * @return AuthenticateConfig
     */
    public static synchronized HDLLinkConfig getInstance() {
        if (instance == null) {
            synchronized (HDLLinkConfig.class) {
                if (instance == null) {
                    instance = new HDLLinkConfig();
                    instance.loadConfig();
                }
            }
        }
        return instance;
    }
 
    /**
     * 清空缓存
     */
    public void clearConfig() {
        this.gatewayId = "";
        this.ipAddress = "";
        this.localSecret = "";
        SPUtils.remove(Authenticate_LS_KEY);
        SPUtils.remove(AUTHENTICATE_GATEWAYID_KEY);
        SPUtils.remove(AUTHENTICATE_IPADDRESS_KEY);
    }
 
    /**
     * 加载缓存
     */
    void loadConfig(){
        localSecret = SPUtils.getString(Authenticate_LS_KEY, "");
        gatewayId = SPUtils.getString(AUTHENTICATE_GATEWAYID_KEY, "");
        ipAddress = SPUtils.getString(AUTHENTICATE_IPADDRESS_KEY, "");
    }
 
    /**
     * 保存配置
     * @param localSecret
     * @param gatewayId
     * @param ipAddress
     */
    public void saveConfig(String localSecret, String gatewayId, String ipAddress) {
        this.localSecret = localSecret;
        this.gatewayId = gatewayId;
        this.ipAddress = ipAddress;
        SPUtils.put(Authenticate_LS_KEY, localSecret);
        SPUtils.put(AUTHENTICATE_GATEWAYID_KEY, gatewayId);
        SPUtils.put(AUTHENTICATE_IPADDRESS_KEY, ipAddress);
    }
 
    /**
     * 检测是否已经认证过
     * @return
     */
    public boolean checkIfCertified(){
        //localSecret不为空并且长度等于16
        return !TextUtils.isEmpty(localSecret) && localSecret.length() == 16;
    }
 
    public void setLocalSecret(String localSecret) {
        this.localSecret = localSecret;
        SPUtils.put(Authenticate_LS_KEY, localSecret);
    }
 
    public String getLocalSecret() {
        return localSecret;
    }
 
    public String getGatewayId() {
        return gatewayId;
    }
 
    public String getIpAddress() {
        return ipAddress;
    }
 
    public boolean isLocalEncrypt() {
        return isLocalEncrypt;
    }
 
    public void setLocalEncrypt(boolean localEncrypt) {
        isLocalEncrypt = localEncrypt;
    }
 
    /**
     * 判断当前主题数据是否需要加密
     * @param topicStr 当前主题
     * @return
     */
    public boolean ifNeedEncrypt(String topicStr){
        //过滤相关需要加密的主题
        return (!topicStr.contains(TopicConstant.GATEWAY_AUTH_BROADCAST) //网关广播入网指令
                && !topicStr.contains(TopicConstant.DEIVCE_AUTH_REQUEST) //入网认证
                && !topicStr.contains(TopicConstant.GATEWAY_SEARCH) //搜索网关主题
                && isLocalEncrypt//启用加密标志
        );
    }
 
 
 
}