refactor: extract duplicated code into shared utility classes by devin-ai-integration[bot] · Pull Request #2 · oneky/NewBingGoGo-MagicURL-java · GitHub
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refactor: extract duplicated code into shared utility classes #2

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refactor: extract duplicated code into shared utility classes #2

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11 changes: 3 additions & 8 deletions src/main/java/cn/jja8/newbinggogo/NewBingGoGoClientWebSocket.java
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174 changes: 15 additions & 159 deletions src/main/java/cn/jja8/newbinggogo/NewBingGoGoServer.java
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Original file line number Diff line number Diff line change
@@ -1,16 +1,12 @@
package cn.jja8.newbinggogo;

import cn.jja8.newbinggogo.util.HttpProxyUtils;
import cn.jja8.newbinggogo.util.ResponseBuilder;
import fi.iki.elonen.NanoHTTPD;
import fi.iki.elonen.NanoWSD;

import java.io.*;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.ProtocolException;
import java.net.URL;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;

Expand All @@ -36,54 +32,46 @@ public NewBingGoGoServer(int port) {
@Override
public Response serveHttp(IHTTPSession session) {
if(!isUser(session)){
return getReturnError("请求头无user-agent参数，拒绝请求！");
return ResponseBuilder.httpError("请求头无user-agent参数，拒绝请求！");
}
String ip = new Date()+":"+getIp(session);
String url = session.getUri();
if(url.equals("/turing/conversation/create")){//创建聊天
System.out.println(ip+":请求创建聊天");
return goUrl(session,"https://www.bing.com/turing/conversation/create");
return HttpProxyUtils.proxyGet(session,"https://www.bing.com/turing/conversation/create");
}
if(url.equals("/msrewards/api/v1/enroll")){//加入候补
System.out.println(ip+":请求加入候补");
return goUrl(session,"https://www.bing.com/msrewards/api/v1/enroll?"+session.getQueryParameterString());
return HttpProxyUtils.proxyGet(session,"https://www.bing.com/msrewards/api/v1/enroll?"+session.getQueryParameterString());
}
if(url.equals("/images/create")){
System.out.println(ip+":请求AI画图");
HashMap<String,String> he = new HashMap<>();
he.put("sec-fetch-site","same-origin");
he.put("referer","https://www.bing.com/search?q=bingAI");
Response re = goUrl(session,"https://www.bing.com/images/create?"+session.getQueryParameterString(),he);
re.setMimeType("text/html");
return re;
return HttpProxyUtils.proxyImageRequest(session,
"https://www.bing.com/images/create?"+session.getQueryParameterString(),
"https://www.bing.com/search?q=bingAI");
}
if(url.startsWith("/images/create/async/results")){
System.out.println(ip+":请求AI画图图片");
String gogoUrl = url.replace("/images/create/async/results","https://www.bing.com/images/create/async/results");
gogoUrl = gogoUrl+"?"+session.getQueryParameterString();
// /641f0e9c318346378e94e495ab61a703?q=a+dog&partner=sydney&showselective=1
HashMap<String,String> he = new HashMap<>();
he.put("sec-fetch-site","same-origin");
he.put("referer","https://www.bing.com/images/create?partner=sydney&showselective=1&sude=1&kseed=7000");
Response re = goUrl(session, gogoUrl,he);
re.setMimeType("text/html");
return re;
return HttpProxyUtils.proxyImageRequest(session, gogoUrl,
"https://www.bing.com/images/create?partner=sydney&showselective=1&sude=1&kseed=7000");
}
return getReturnError("由于NewBing策略更新，请更新NewBingGoGo到2023.4.3版本以上。");
return ResponseBuilder.httpError("由于NewBing策略更新，请更新NewBingGoGo到2023.4.3版本以上。");
}

@Override
protected WebSocket openWebSocket(IHTTPSession handshake) {
if(!isUser(handshake)){
return getReturnErrorWebSocket(handshake,"请求头无user-agent参数，拒绝请求！");
return createErrorWebSocket(handshake,"请求头无user-agent参数，拒绝请求！");
}
String ip = new Date()+":"+getIp(handshake);
String url = handshake.getUri();
if(url.equals("/sydney/ChatHub")){
System.out.println(ip+":创建魔法聊天连接");
return new NewBingGoGoServerWebSocket(handshake,scheduledExecutorService);
}
return getReturnErrorWebSocket(handshake,"请求接口错误！");
return createErrorWebSocket(handshake,"请求接口错误！");
}

public static boolean isUser(IHTTPSession session){
Expand All @@ -100,102 +88,11 @@ public static String getIp(IHTTPSession session){
return ip;
}

/*
* 转发请求
*/
public static NanoHTTPD.Response goUrl(NanoHTTPD.IHTTPSession session,String stringUrl){
return goUrl(session,stringUrl,new HashMap<>(1));
}


public static NanoHTTPD.Response goUrl(NanoHTTPD.IHTTPSession session,String stringUrl,Map<String,String> addHeaders){
URL url;
try {
url = new URL(stringUrl);
} catch (MalformedURLException e) {
return getReturnError(e);
}

HttpURLConnection urlConnection;
try{
urlConnection = (HttpURLConnection) url.openConnection();
} catch (IOException e) {
return getReturnError(e);
}
try {
urlConnection.setRequestMethod("GET");
} catch (ProtocolException e) {
return getReturnError(e);
}
urlConnection.setDoOutput(false);
urlConnection.setDoInput(true);
urlConnection.setUseCaches(true);
urlConnection.setInstanceFollowRedirects(true);
urlConnection.setConnectTimeout(3000);

//拷贝头信息
Map<String,String> header = session.getHeaders();
String[] b = {"cookie","user-agent","accept","accept-language"};
for (String s : b) {
String v = header.get(s);
urlConnection.addRequestProperty(s,v);
}
//添加指定的头部信息
addHeaders.forEach(urlConnection::addRequestProperty);

//建立链接
try {
urlConnection.connect();
} catch (IOException e) {
return getReturnError(e);
}
int code;
try{
code = urlConnection.getResponseCode();
} catch (IOException e) {
return getReturnError(e);
}
//获取请求状态代码
if(code!=200){
urlConnection.disconnect();
return getReturnError("此魔法链接服务器请求被bing拒绝！请稍后再试。错误代码:"+code,null,false);
}

//将数据全部读取然后关闭流和链接
int len = urlConnection.getContentLength();
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(Math.max(len, 0));
try(InputStream inputStream = urlConnection.getInputStream()){
for (int i = 0; i < len; i++) {
byteArrayOutputStream.write(inputStream.read());
}
}catch (FileNotFoundException e){
urlConnection.disconnect();
return getReturnError("此魔法链接服务器无法正常工作，请求被bing拒绝！",e,false);
}catch (IOException e) {
urlConnection.disconnect();
return getReturnError(e);
}
urlConnection.disconnect();

//创建用于输出的流
ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(byteArrayOutputStream.toByteArray());
return NanoHTTPD.newFixedLengthResponse(
Response.Status.OK,
"application/json",
byteArrayInputStream,
len
);
}

public static WebSocket getReturnErrorWebSocket(IHTTPSession session,String error){
public static WebSocket createErrorWebSocket(IHTTPSession session, String error){
return new WebSocket(session) {
@Override
protected void onOpen(){
String errorMessage = "{\"type\": 2,\"result\":{\"value\":\"Error\",\"message\":\""+escapeJsonString(error)+"\"}}";
try{
this.send(errorMessage);
this.close(NanoWSD.WebSocketFrame.CloseCode.NormalClosure,"error",false);
} catch (IOException ignored) {}
ResponseBuilder.sendWebSocketErrorAndClose(this, error);
}
@Override
protected void onClose(WebSocketFrame.CloseCode code, String reason, boolean initiatedByRemote) {}
Expand All @@ -208,45 +105,4 @@ protected void onException(IOException exception) {}
};
}

/**
* 获取返回的错误
* */
public static NanoHTTPD.Response getReturnError(Throwable error){
return getReturnError("服务器内部发生未知错误!",error,true);
}
public static NanoHTTPD.Response getReturnError(String error){
return getReturnError(error,null,true);
}
/**
* @param all 是否全部打印
* */
public static NanoHTTPD.Response getReturnError(String message,Throwable error,boolean all){
String r;
if (error==null){
r = "{\"result\":{\"value\":\"error\",\"message\":\""+escapeJsonString(message)+"\"}}";
}else if(all){
r = "{\"result\":{\"value\":\"error\",\"message\":\""+escapeJsonString(message+"详情:"+printErrorToString(error))+"\"}}";
}else {
r = "{\"result\":{\"value\":\"error\",\"message\":\""+escapeJsonString(message+"详情:"+error)+"\"}}";
}
return NanoHTTPD.newFixedLengthResponse(NanoHTTPD.Response.Status.OK,"application/json",r);
}

/**
* 转义成json字符串
* */
public static String escapeJsonString(String input) {
return input
.replace("\\","\\\\")
.replace("\n","\\n")
.replace("\r","\\r")
.replace("\t","\\t")
.replace("\"","\\\"");
}
public static String printErrorToString(Throwable t) {
StringWriter sw = new StringWriter();
t.printStackTrace(new PrintWriter(sw, true));
return sw.getBuffer().toString();
}

}
112 changes: 112 additions & 0 deletions src/main/java/cn/jja8/newbinggogo/util/HttpProxyUtils.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,112 @@
package cn.jja8.newbinggogo.util;

import fi.iki.elonen.NanoHTTPD;

import java.io.*;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.ProtocolException;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;

public class HttpProxyUtils {

private static final String[] FORWARDED_HEADERS = {"cookie", "user-agent", "accept", "accept-language"};

private HttpProxyUtils() {}

/**
* Proxy a GET request to the target URL, forwarding selected headers.
*/
public static NanoHTTPD.Response proxyGet(NanoHTTPD.IHTTPSession session, String stringUrl) {
return proxyGet(session, stringUrl, new HashMap<>(1));
}

/**
* Proxy a GET request to the target URL with additional headers.
*/
public static NanoHTTPD.Response proxyGet(NanoHTTPD.IHTTPSession session, String stringUrl, Map<String, String> addHeaders) {
URL url;
try {
url = new URL(stringUrl);
} catch (MalformedURLException e) {
return ResponseBuilder.httpError(e);
}

HttpURLConnection urlConnection;
try {
urlConnection = (HttpURLConnection) url.openConnection();
} catch (IOException e) {
return ResponseBuilder.httpError(e);
}
try {
urlConnection.setRequestMethod("GET");
} catch (ProtocolException e) {
return ResponseBuilder.httpError(e);
}
urlConnection.setDoOutput(false);
urlConnection.setDoInput(true);
urlConnection.setUseCaches(true);
urlConnection.setInstanceFollowRedirects(true);
urlConnection.setConnectTimeout(3000);

Map<String, String> header = session.getHeaders();
for (String s : FORWARDED_HEADERS) {
String v = header.get(s);
urlConnection.addRequestProperty(s, v);
}
addHeaders.forEach(urlConnection::addRequestProperty);

try {
urlConnection.connect();
} catch (IOException e) {
return ResponseBuilder.httpError(e);
}
int code;
try {
code = urlConnection.getResponseCode();
} catch (IOException e) {
return ResponseBuilder.httpError(e);
}
if (code != 200) {
urlConnection.disconnect();
return ResponseBuilder.httpError("此魔法链接服务器请求被bing拒绝！请稍后再试。错误代码:" + code, null, false);
}

int len = urlConnection.getContentLength();
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(Math.max(len, 0));
try (InputStream inputStream = urlConnection.getInputStream()) {
for (int i = 0; i < len; i++) {
byteArrayOutputStream.write(inputStream.read());
}
} catch (FileNotFoundException e) {
urlConnection.disconnect();
return ResponseBuilder.httpError("此魔法链接服务器无法正常工作，请求被bing拒绝！", e, false);
} catch (IOException e) {
urlConnection.disconnect();
return ResponseBuilder.httpError(e);
}
urlConnection.disconnect();

ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(byteArrayOutputStream.toByteArray());
return NanoHTTPD.newFixedLengthResponse(
NanoHTTPD.Response.Status.OK,
"application/json",
byteArrayInputStream,
len
);
}

/**
* Proxy a request as an image-related HTML response with same-origin headers.
*/
public static NanoHTTPD.Response proxyImageRequest(NanoHTTPD.IHTTPSession session, String targetUrl, String referer) {
HashMap<String, String> headers = new HashMap<>();
headers.put("sec-fetch-site", "same-origin");
headers.put("referer", referer);
NanoHTTPD.Response response = proxyGet(session, targetUrl, headers);
response.setMimeType("text/html");
return response;
}
}
24 changes: 24 additions & 0 deletions src/main/java/cn/jja8/newbinggogo/util/JsonUtils.java
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