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refactor(dynamicconfig): 兼容旧版本Nacos获取token机制，重构 Nacos 客户端获取token #1805

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refactor(dynamicconfig): 兼容旧版本Nacos获取token机制，重构 Nacos 客户端获取token #1805

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46 changes: 30 additions & 16 deletions ...implement/src/main/java/io/sermant/implement/service/dynamicconfig/nacos/NacosClient.java
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Original file line number Diff line number Diff line change
Expand Up @@ -23,31 +23,26 @@
import com.alibaba.nacos.api.config.ConfigService;
import com.alibaba.nacos.api.config.listener.Listener;
import com.alibaba.nacos.api.exception.NacosException;
import com.alibaba.nacos.client.auth.impl.process.HttpLoginProcessor;
import com.alibaba.nacos.client.naming.remote.http.NamingHttpClientManager;
import com.alibaba.nacos.plugin.auth.api.LoginIdentityContext;

import io.sermant.core.utils.StringUtils;
import io.sermant.implement.service.dynamicconfig.ConfigClient;
import io.sermant.implement.service.dynamicconfig.common.DynamicConstants;

import org.apache.http.HttpEntity;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.*;
import java.util.concurrent.TimeUnit;

/**
Expand Down Expand Up @@ -85,6 +80,8 @@ public class NacosClient implements ConfigClient {

private static final String URL_WITHOUT_CONTENT = "/nacos/v1/cs/history/configs?tenant=";

private static final String LOGIN_URL_V1 = "/nacos/v1/auth/users/login";

private final Properties properties;

private final ConfigService configService;
Expand Down Expand Up @@ -352,12 +349,29 @@ private String buildUrl(String key, String group, String namespace, boolean exac
private String getToken() {
if ((System.currentTimeMillis() - lastRefreshTime) >= TimeUnit.SECONDS
.toMillis(tokenTtl - TOKEN_REFRESH_WINDOW)) {
final StringBuilder requestUrl = new StringBuilder().append(HTTP_PROTOCOL);
requestUrl.append(properties.getProperty(PropertyKeyConst.SERVER_ADDR)).append(LOGIN_URL_V1);
String result = "";
try (CloseableHttpClient httpClient = HttpClients.createDefault()) {
HttpPost httpPost = new HttpPost(requestUrl.toString());
List<NameValuePair> params = new ArrayList<>();
params.add(new BasicNameValuePair("username", properties.getProperty(PropertyKeyConst.USERNAME)));
params.add(new BasicNameValuePair("password", properties.getProperty(PropertyKeyConst.PASSWORD)));
httpPost.setEntity(new UrlEncodedFormEntity(params, "UTF-8"));
try (CloseableHttpResponse response = httpClient.execute(httpPost)) {
HttpEntity entity = response.getEntity();
result = EntityUtils.toString(entity);
}
} catch (IOException e) {
LOGGER.error("Nacos http request exception.",e);
}
if(StringUtils.isBlank(result)){
throw new RuntimeException("Nacos http request getToken exception.");
}
JSONObject jsonObject = JSONObject.parseObject(result);
lastRefreshTime = System.currentTimeMillis();
HttpLoginProcessor httpLoginProcessor = new HttpLoginProcessor(
NamingHttpClientManager.getInstance().getNacosRestTemplate());
LoginIdentityContext loginIdentityContext = httpLoginProcessor.getResponse(properties);
lastToken = loginIdentityContext.getParameter(KEY_ACCESS_TOKEN);
tokenTtl = Long.parseLong(loginIdentityContext.getParameter(KEY_TOKEN_TTL));
lastToken = jsonObject.getString(KEY_ACCESS_TOKEN);
tokenTtl = jsonObject.getLong(KEY_TOKEN_TTL);
}
return lastToken;
}
Expand Down