main
HuangHai 3 months ago
parent d131f59053
commit 3e0e717138

@ -8,6 +8,6 @@ import com.jfinal.kit.PropKit;
public class IndexController extends Controller {
@Before({GET.class})
public void index() {
renderText("Welcome to dsBase World!");
renderText("Welcome to The dsBase World (^_^)");
}
}

@ -0,0 +1,21 @@
package com.dsideal.gw.Config;
import com.jfinal.kit.Prop;
import com.jfinal.kit.PropKit;
public class GatewayConfig {
private static final Prop prop = PropKit.use("gateway-config.txt");
// 超时配置
public static final int CONNECT_TIMEOUT = prop.getInt("gateway.timeout.connect", 10000);
public static final int READ_TIMEOUT = prop.getInt("gateway.timeout.read", 30000);
public static final int WRITE_TIMEOUT = prop.getInt("gateway.timeout.write", 30000);
// 连接池配置
public static final int MAX_CONNECTIONS = prop.getInt("gateway.connection.max", 5);
public static final int KEEP_ALIVE_DURATION = prop.getInt("gateway.connection.keep-alive", 300);
// 安全配置
public static final String[] ALLOWED_ORIGINS = prop.get("gateway.security.cors.allowed-origins", "*").split(",");
public static final String[] ALLOWED_METHODS = prop.get("gateway.security.cors.allowed-methods", "GET,POST").split(",");
}

@ -3,6 +3,7 @@ package com.dsideal.gw.Handler;
import com.dsideal.gw.Bean.RetBean;
import com.dsideal.gw.GwApplication;
import com.dsideal.gw.Util.JwtUtil;
import com.dsideal.gw.Config.GatewayConfig;
import com.jfinal.handler.Handler;
import com.jfinal.kit.StrKit;
import com.jfinal.upload.MultipartRequest;
@ -11,61 +12,233 @@ import com.jfinal.plugin.activerecord.Record;
import io.jsonwebtoken.Claims;
import okhttp3.*;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.util.*;
/**
*
* GET
* http://10.10.21.20:8000/dsBase/dm/getDmSchoolProperty
* http://10.10.21.20:8000/dsBase/global/getGlobalList?page=1&limit=10
* POST
* http://10.10.21.20:8000/dsBase/global/testPost?a=100
*
* http://10.10.21.20:8000/dsBase/global/testUpload
* form-data
* upfile ---> file
*/
import java.util.concurrent.TimeUnit;
public class RouterHandler extends Handler {
//OkHttp的实例单例模式
private static final OkHttpClient OK_HTTP_CLIENT = new OkHttpClient();
/**
* JSON
*
* @param res
*/
public void renderJson(HttpServletResponse res, String body) {
res.setHeader("Access-Control-Allow-Origin", "*");
res.setHeader("Cache-Control", "no-cache");
res.setCharacterEncoding("UTF-8");
res.setContentType("application/json");
private static final Logger logger = LoggerFactory.getLogger(RouterHandler.class);
// 常量定义
private static final class Constants {
static final String CONTENT_TYPE_JSON = "application/json";
static final String CONTENT_TYPE_MULTIPART = "multipart/form-data";
static final String HEADER_AUTHORIZATION = "Authorization";
static final String HEADER_COOKIE = "Cookie";
static final String HEADER_ACCEPT = "Accept";
static final String HEADER_CONTENT_TYPE = "Content-Type";
}
// 静态资源扩展名
private static final Set<String> STATIC_EXTENSIONS = new HashSet<>(Arrays.asList(
"html", "js", "css", "png", "jpg", "jpeg", "gif", "ico", "svg",
"woff", "woff2", "ttf", "eot", "map", "json", "xml", "txt"
));
// OkHttp客户端配置
private static final OkHttpClient OK_HTTP_CLIENT = new OkHttpClient.Builder()
.connectTimeout(GatewayConfig.CONNECT_TIMEOUT, TimeUnit.MILLISECONDS)
.readTimeout(GatewayConfig.READ_TIMEOUT, TimeUnit.MILLISECONDS)
.writeTimeout(GatewayConfig.WRITE_TIMEOUT, TimeUnit.MILLISECONDS)
.connectionPool(new ConnectionPool(GatewayConfig.MAX_CONNECTIONS,
GatewayConfig.KEEP_ALIVE_DURATION,
TimeUnit.SECONDS))
.build();
@Override
public void handle(String target, HttpServletRequest req, HttpServletResponse res, boolean[] isHandled) {
try {
res.getWriter().println(body);
res.getWriter().flush();
} catch (IOException e) {
throw new RuntimeException(e);
String servletPath = req.getServletPath();
String queryString = req.getQueryString();
// 处理静态资源
if (isStaticResource(servletPath)) {
next.handle(target, req, res, isHandled);
return;
}
// 处理内部调用
if (isInternalCall(servletPath, res, isHandled)) {
return;
}
// 处理认证
if (!isAuthenticated(req, res, isHandled)) {
return;
}
// 获取转发URL
String forwardUrl = getForwardUrl(servletPath);
if (forwardUrl == null) {
handleError(res, isHandled, "无效的请求路径", null);
return;
}
// 记录请求日志
logRequest(req, forwardUrl);
// 根据请求方法处理
switch (req.getMethod()) {
case "GET":
handleGetRequest(req, res, isHandled, forwardUrl, queryString);
break;
case "POST":
if (isMultipartRequest(req)) {
handleFileUpload(req, res, isHandled, forwardUrl);
} else {
handlePostRequest(req, res, isHandled, forwardUrl, queryString);
}
break;
default:
handleError(res, isHandled, "不支持的请求方法: " + req.getMethod(), null);
}
} catch (Exception e) {
logger.error("请求处理异常", e);
handleError(res, isHandled, "系统异常", e);
}
}
// 处理GET请求
private void handleGetRequest(HttpServletRequest req, HttpServletResponse res,
boolean[] isHandled, String forwardUrl, String queryString) {
try {
Request request = buildGetRequest(req, forwardUrl, queryString);
executeRequest(request, res);
isHandled[0] = true;
} catch (Exception e) {
handleError(res, isHandled, "GET请求处理失败", e);
}
}
// 处理POST请求
private void handlePostRequest(HttpServletRequest req, HttpServletResponse res,
boolean[] isHandled, String forwardUrl, String queryString) {
try {
Request request = buildPostRequest(req, forwardUrl, queryString);
executeRequest(request, res);
isHandled[0] = true;
} catch (Exception e) {
handleError(res, isHandled, "POST请求处理失败", e);
}
}
// 处理文件上传
private void handleFileUpload(HttpServletRequest req, HttpServletResponse res,
boolean[] isHandled, String forwardUrl) {
try {
MultipartRequest mp = new MultipartRequest(req);
List<UploadFile> files = mp.getFiles();
if (files.isEmpty()) {
handleError(res, isHandled, "没有上传文件", null);
return;
}
Request request = buildFileUploadRequest(files.getFirst(), forwardUrl);
executeRequest(request, res);
isHandled[0] = true;
} catch (Exception e) {
handleError(res, isHandled, "文件上传失败", e);
}
}
// 构建GET请求
private Request buildGetRequest(HttpServletRequest req, String forwardUrl, String queryString) {
Request.Builder builder = new Request.Builder()
.url(buildUrl(forwardUrl, queryString));
addCommonHeaders(req, builder);
return builder.build();
}
// 构建POST请求
private Request buildPostRequest(HttpServletRequest req, String forwardUrl, String queryString) {
Request.Builder builder = new Request.Builder()
.url(buildUrl(forwardUrl, queryString));
addCommonHeaders(req, builder);
return builder.post(createRequestBody(req)).build();
}
// 构建文件上传请求
private Request buildFileUploadRequest(UploadFile uploadFile, String forwardUrl) {
MediaType mediaType = MediaType.parse(Constants.CONTENT_TYPE_MULTIPART);
RequestBody requestBody = RequestBody.create(uploadFile.getFile(), mediaType);
MultipartBody body = new MultipartBody.Builder()
.setType(MultipartBody.FORM)
.addFormDataPart("file", uploadFile.getFileName(), requestBody)
.build();
return new Request.Builder()
.url(forwardUrl)
.post(body)
.build();
}
// 添加通用头信息
private void addCommonHeaders(HttpServletRequest req, Request.Builder builder) {
// 处理Authorization头
String authHeader = req.getHeader(Constants.HEADER_AUTHORIZATION);
if (!StrKit.isBlank(authHeader)) {
builder.addHeader(Constants.HEADER_AUTHORIZATION, authHeader);
builder.addHeader(Constants.HEADER_ACCEPT, "application/json;odata=verbose");
}
// 处理Cookie
String cookie = req.getHeader(Constants.HEADER_COOKIE);
if (!StrKit.isBlank(cookie)) {
builder.addHeader(Constants.HEADER_COOKIE, cookie);
}
// 添加其他重要头信息
addImportantHeaders(req, builder);
}
//OkHttp的回调函数同步执行
// 添加重要头信息
private void addImportantHeaders(HttpServletRequest req, Request.Builder builder) {
String[] importantHeaders = {
Constants.HEADER_ACCEPT,
Constants.HEADER_CONTENT_TYPE,
"User-Agent",
"Referer",
"Origin",
"Host"
};
for (String header : importantHeaders) {
String value = req.getHeader(header);
if (!StrKit.isBlank(value)) {
builder.addHeader(header, value);
}
}
}
// 创建请求体
private RequestBody createRequestBody(HttpServletRequest req) {
FormBody.Builder formBodyBuilder = new FormBody.Builder();
Enumeration<String> parameterNames = req.getParameterNames();
while (parameterNames.hasMoreElements()) {
String paramName = parameterNames.nextElement();
String paramValue = req.getParameter(paramName);
formBodyBuilder.add(paramName, paramValue);
}
return formBodyBuilder.build();
}
// 执行请求
private void executeRequest(Request request, HttpServletResponse res) throws IOException {
Response response = OK_HTTP_CLIENT.newCall(request).execute();
if (response.isSuccessful()) {
ResponseBody body = response.body();
if (body != null) {
// 获取Content-Type
String contentType = response.header("Content-Type");
String contentType = response.header(Constants.HEADER_CONTENT_TYPE);
if (contentType != null && contentType.startsWith("image/")) {
// 处理图片响应
handleImageResponse(res, body, contentType);
} else {
// 处理文本响应
handleTextResponse(res, body);
}
} else {
@ -78,13 +251,11 @@ public class RouterHandler extends Handler {
// 处理图片响应
private void handleImageResponse(HttpServletResponse res, ResponseBody body, String contentType) throws IOException {
// 设置响应头
res.setContentType(contentType);
res.setHeader("Cache-Control", "no-store");
res.setHeader("Pragma", "no-cache");
res.setDateHeader("Expires", 0);
// 将图片数据写入响应
try (InputStream inputStream = body.byteStream()) {
IOUtils.copy(inputStream, res.getOutputStream());
}
@ -96,214 +267,114 @@ public class RouterHandler extends Handler {
renderJson(res, responseBody);
}
public static RequestBody createRequestBody(HttpServletRequest req) {
FormBody.Builder formBodyBuilder = new FormBody.Builder();
// 遍历请求中的参数
Enumeration<String> parameterNames = req.getParameterNames();
while (parameterNames.hasMoreElements()) {
String paramName = parameterNames.nextElement();
String paramValue = req.getParameter(paramName);
formBodyBuilder.add(paramName, paramValue);
// 渲染JSON响应
private void renderJson(HttpServletResponse res, String body) {
res.setHeader("Access-Control-Allow-Origin", "*");
res.setHeader("Cache-Control", "no-cache");
res.setCharacterEncoding("UTF-8");
res.setContentType(Constants.CONTENT_TYPE_JSON);
try {
res.getWriter().println(body);
res.getWriter().flush();
} catch (IOException e) {
throw new RuntimeException(e);
}
// 构建RequestBody
return formBodyBuilder.build();
}
// 使用Set集合推荐性能更好
private static final Set<String> STATIC_EXTENSIONS = new HashSet<>(Arrays.asList(
"html", "js", "css", "png", "jpg", "jpeg", "gif", "ico", "svg",
"woff", "woff2", "ttf", "eot", "map", "json", "xml", "txt"
));
// 判断是否为静态资源的方法
private boolean isStaticResource(String servletPath) {
int lastDotIndex = servletPath.lastIndexOf('.');
if (lastDotIndex == -1) {
return false;
}
String extension = servletPath.substring(lastDotIndex + 1).toLowerCase();
return STATIC_EXTENSIONS.contains(extension);
// 处理错误
private void handleError(HttpServletResponse res, boolean[] isHandled, String message, Exception e) {
String errorMessage = e != null ? message + ": " + e.getMessage() : message;
renderJson(res, new RetBean(RetBean.ERROR, errorMessage).toString());
isHandled[0] = true;
}
@Override
public void handle(String target, HttpServletRequest req, HttpServletResponse res, boolean[] isHandled) {
//可以正确获取到URL的完整路径
// 检查认证
private boolean isAuthenticated(HttpServletRequest req, HttpServletResponse res, boolean[] isHandled) {
String servletPath = req.getServletPath();
String queryString = req.getQueryString();
//对于根目录的访问,放行
if (servletPath.equals("/") || isStaticResource(servletPath)) {
next.handle(target, req, res, isHandled);
return;
if (GwApplication.whiteSet.contains(servletPath)) {
return true;
}
//微服务间的调用视为内部调用
if (req.getServletPath().endsWith("_Internal")) {
renderJson(res, new RetBean(RetBean.ERROR, "微服务间内部接口调用,是不需要走网关的!").toString());
isHandled[0] = true; //停止filter
return;
// 检查Session
Record rPerson = JwtUtil.getPersonInfo(req);
if (isValidPersonInfo(rPerson)) {
return true;
}
//如果是白名单不检查jwt,否则需要检查jwt
if (!GwApplication.whiteSet.contains(servletPath)) {
//是不是通过了登录检查?
boolean canPass = true;
//1、存在Session,检查是不是正确的Session
Record rPerson= JwtUtil.getPersonInfo(req);
String identity_id = rPerson.getStr("identity_id");
String person_id = rPerson.getStr("person_id");
String bureau_id = rPerson.getStr("bureau_id");
//如果没有找到Session那么直接不通过
if (StrKit.isBlank(bureau_id) || StrKit.isBlank(identity_id) || StrKit.isBlank(person_id)) {
canPass = false;
}
if (!canPass) {
//如果不存在Session,那么检查是不是存在JWT,并且JWT是不是正确的
if (req.getHeader("Authorization") != null) {
String jwtToken = req.getHeader("Authorization");
Claims claims = JwtUtil.getClaims(jwtToken);
if (claims != null) {
canPass = true;
}
}
}
if (!canPass) {
renderJson(res, new RetBean(RetBean.ERROR, "登录已过期,请重新登录!").toString());
isHandled[0] = true; //停止filter
return;
// 检查JWT
String jwtToken = req.getHeader(Constants.HEADER_AUTHORIZATION);
if (!StrKit.isBlank(jwtToken)) {
Claims claims = JwtUtil.getClaims(jwtToken);
if (claims != null) {
return true;
}
}
//路由到哪个微服务
int xie1 = servletPath.indexOf('/'); // 找到第一个 '/' 的索引
int xie2 = servletPath.indexOf('/', xie1 + 1); // 从第一个 '/' 之后开始找第二个 '/' 的索引
//action名称
String action = servletPath.substring(xie2 + 1);
handleError(res, isHandled, "登录已过期,请重新登录!", null);
return false;
}
// 验证人员信息
private boolean isValidPersonInfo(Record rPerson) {
return rPerson != null &&
!StrKit.isBlank(rPerson.getStr("bureau_id")) &&
!StrKit.isBlank(rPerson.getStr("identity_id")) &&
!StrKit.isBlank(rPerson.getStr("person_id"));
}
// 获取转发URL
private String getForwardUrl(String servletPath) {
int xie1 = servletPath.indexOf('/');
int xie2 = servletPath.indexOf('/', xie1 + 1);
if (xie1 == -1 || xie2 == -1) {
renderJson(res, new RetBean(RetBean.ERROR, "输入的字符串格式不正确,没有找到两个 '/'。").toString());
isHandled[0] = true; //停止filter
return;
return null;
}
String prefix = servletPath.substring(xie1 + 1, xie2); // 截取两个 '/' 之间的内容
String prefix = servletPath.substring(xie1 + 1, xie2);
String action = servletPath.substring(xie2 + 1);
if (!GwApplication.routeList.containsKey(prefix)) {
renderJson(res, new RetBean(RetBean.ERROR, prefix + "前缀没有找到合适的路由表,请检查是否请求正确!").toString());
isHandled[0] = true; //停止filter
return;
return null;
}
//路由到哪个微服务
String FORWARD_URL = GwApplication.routeList.get(prefix) + "/" + prefix + "/" + action;
return GwApplication.routeList.get(prefix) + "/" + prefix + "/" + action;
}
//1、如果是上传文件
if (req.getMethod().equals("POST") && req.getContentType() != null && req.getContentType().startsWith("multipart/form-data")) {
// 指定文件类型
MediaType mediaType = MediaType.parse("multipart/form-data");
MultipartRequest mp = new MultipartRequest(req);
List<UploadFile> files = mp.getFiles();
if (files.isEmpty()) {
renderJson(res, new RetBean(RetBean.ERROR, "没有上传文件!").toString());
isHandled[0] = true;//停止filter
return;
}
UploadFile uploadFile = files.getFirst();
// 获取文件流
RequestBody requestBody = RequestBody.create(uploadFile.getFile(), mediaType);
// 构建MultipartBody
MultipartBody body = new MultipartBody.Builder()
.setType(MultipartBody.FORM)
.addFormDataPart("file", uploadFile.getFileName(), requestBody)
.build();
// 构建Request
Request request = new Request.Builder()
.url(FORWARD_URL)
.post(body)
.build();
try {
executeRequest(request, res);
isHandled[0] = true;//停止filter
return;
} catch (Exception e) {
renderJson(res, new RetBean(RetBean.ERROR, "请求失败!" + e).toString());
isHandled[0] = true;//停止filter
return;
}
// 检查是否为静态资源
private boolean isStaticResource(String servletPath) {
if (servletPath.equals("/")) {
return true;
}
//2、处理GET请求
if (req.getMethod().equals("GET")) {
//参数:queryString
Request.Builder builder;
if (queryString != null) {
builder = new Request.Builder().url(FORWARD_URL + "?" + queryString);
} else {
builder = new Request.Builder().url(FORWARD_URL);
}
// 处理Authorization头
if (!StrKit.isBlank(req.getHeader("Authorization"))) {
builder.addHeader("Authorization", req.getHeader("Authorization"));
builder.addHeader("Accept", "application/json;odata=verbose");
}
// 处理Cookie
String cookie = req.getHeader("Cookie");
if (!StrKit.isBlank(cookie)) {
builder.addHeader("Cookie", cookie);
}
Request request = builder.build();
try {
executeRequest(request, res);
isHandled[0] = true;//停止filter
return;
} catch (IOException e) {
renderJson(res, new RetBean(RetBean.ERROR, "请求失败!" + e).toString());
isHandled[0] = true;//停止filter
return;
}
int lastDotIndex = servletPath.lastIndexOf('.');
if (lastDotIndex == -1) {
return false;
}
String extension = servletPath.substring(lastDotIndex + 1).toLowerCase();
return STATIC_EXTENSIONS.contains(extension);
}
//3、处理POST请求
if (req.getMethod().equals("POST")) {
RequestBody body = createRequestBody(req);
Request.Builder builder;
if (queryString != null) {
builder = new Request.Builder().url(FORWARD_URL + "?" + queryString);
} else {
builder = new Request.Builder().url(FORWARD_URL);
}
// 检查是否为内部调用
private boolean isInternalCall(String servletPath, HttpServletResponse res, boolean[] isHandled) {
if (servletPath.endsWith("_Internal")) {
handleError(res, isHandled, "微服务间内部接口调用,是不需要走网关的!", null);
return true;
}
return false;
}
// 处理Authorization头
if (!StrKit.isBlank(req.getHeader("Authorization"))) {
builder.addHeader("Authorization", req.getHeader("Authorization"));
builder.addHeader("Accept", "application/json;odata=verbose");
}
// 检查是否为multipart请求
private boolean isMultipartRequest(HttpServletRequest req) {
String contentType = req.getContentType();
return contentType != null && contentType.startsWith(Constants.CONTENT_TYPE_MULTIPART);
}
// 处理Cookie
String cookie = req.getHeader("Cookie");
if (!StrKit.isBlank(cookie)) {
builder.addHeader("Cookie", cookie);
}
// 构建URL
private String buildUrl(String baseUrl, String queryString) {
return queryString != null ? baseUrl + "?" + queryString : baseUrl;
}
builder.post(body);
Request request = builder.build();
try {
executeRequest(request, res);
isHandled[0] = true;//停止filter
return;
} catch (IOException e) {
renderJson(res, new RetBean(RetBean.ERROR, "请求失败!" + e).toString());
isHandled[0] = true;//停止filter
return;
}
}
//4、其它的OPTIONS
renderJson(res, new RetBean(RetBean.ERROR, "系统只支持GET,POST其它的OPTIONS不支持文件上传请使用S3协议进行直传不通过JAVA处理JAVA只处理授权").toString());
//停止filter
isHandled[0] = true;
// 记录请求日志
private void logRequest(HttpServletRequest req, String forwardUrl) {
logger.info("Request: {} {} -> {}", req.getMethod(), req.getRequestURI(), forwardUrl);
}
}
}

@ -0,0 +1,12 @@
# 超时配置
gateway.timeout.connect=10000
gateway.timeout.read=30000
gateway.timeout.write=30000
# 连接池配置
gateway.connection.max=5
gateway.connection.keep-alive=300
# 安全配置
gateway.security.cors.allowed-origins=*
gateway.security.cors.allowed-methods=GET,POST

@ -1,67 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<assembly>
<!-- 最终打包文件的后缀,格式为 ${fileName}-bin -->
<id>bin</id>
<!-- 最终打包成一个用于发布的zip文件 -->
<formats>
<format>zip</format>
</formats>
<!-- 把依赖的jar包打包进zip的lib目录下-->
<dependencySets>
<dependencySet>
<!-- 不使用项目的artifact -->
<useProjectArtifact>false</useProjectArtifact>
<!-- 打包进zip文件下的lib目录中 -->
<outputDirectory>lib</outputDirectory>
<!-- 第三方jar不要解压 -->
<unpack>false</unpack>
</dependencySet>
</dependencySets>
<!-- 文件配置 -->
<fileSets>
<!-- 把项目的配置文件打包进zip包的config目录下 -->
<fileSet>
<!-- 配置项目中需要被打包的文件的存储路径 -->
<directory>${project.basedir}/src/main/resources/${env}</directory>
<outputDirectory>/config</outputDirectory>
<includes>
<!-- 可以指定单个文件 -->
<!--<include>project.config</include>-->
<!-- 可以直接指定所有文件 -->
<include>*.*</include>
</includes>
</fileSet>
<!-- 把项目的配置文件打包进zip包的根目录下 -->
<fileSet>
<directory>${project.basedir}/src/main/resources/${env}</directory>
<outputDirectory></outputDirectory>
<includes>
<include>scf*.xml</include>
</includes>
</fileSet>
<!-- 把项目自己编译出来根目录下的jar文件打包进zip文件的根目录 -->
<fileSet>
<directory>${project.build.directory}</directory>
<outputDirectory></outputDirectory>
<includes>
<include>*.jar</include>
</includes>
</fileSet>
<!-- 把项目自己编译出来的jar文件夹下的jar文件去除第三方jar打包进zip文件的根目录 -->
<fileSet>
<directory>${project.build.directory}/jar</directory>
<outputDirectory></outputDirectory>
<excludes>
<exclude>lib/*.jar</exclude>
</excludes>
<includes>
<include>*.jar</include>
</includes>
</fileSet>
</fileSets>
</assembly>
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