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create a simple http reverse-proxy server

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fullgream 2025-01-06 03:13:28 +03:00
parent 4339149483
commit 7d710fc43a
4 changed files with 1313 additions and 0 deletions
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7
config.json Normal file
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{
"net": {
"address": "127.0.0.1",
"port": 9856
},
"target": "https://example.org"
}

1207
package-lock.json generated Normal file
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31
package.json Normal file
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{
"name": "ai-proxy-server",
"version": "0.0.1",
"description": "",
"main": "server.js",
"scripts": {
"test": "nodemon server.js"
},
"repository": {
"type": "git",
"url": "http://git.fullgream.online/fullgream/ai-proxy-server.git"
},
"keywords": [
"AI",
"koboldcpp",
"openai",
"gpt",
"chat-gpt"
],
"author": "FullGreaM",
"license": "MIT",
"dependencies": {
"body": "^5.1.0",
"body-parser": "^1.20.3",
"express": "^4.21.2",
"node-fetch": "^2.6.7"
},
"devDependencies": {
"nodemon": "^3.1.9"
}
}

68
server.js Normal file
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'use strict';
const express = require("express");
const bodyParser = require("body-parser");
const bodyHand = require('body');
const url = require('url');
const path = require('path');
const fetch = require('node-fetch');
global.config = require("./config.json");
const app = express();
const address = global.config.net.address ?? "127.0.0.1";
const reverseTo = global.config.target ?? "https://example.org";
function logger (...p) {
return;
console.log("[LOGGER]:", ...p);
}
app.use('/*', async (req, res, next) => { // Myself body parser :)
bodyHand(req, res, {
limit: 9999999999,
cache: false,
encoding: 'base64'
}, (err, body) => {
if (!err) {
req.body = Buffer.from(body, 'base64');
} else {
req.body = undefined;
}
next();
});
});
app.use("*", async (req, res) => {
logger("REQ HEADERS:>", req.headers);
logger("originalUrl:>", req.originalUrl);
const params = { method: req.method.toUpperCase(), headers: req.headers, redirect: "follow", follow: 20 };
delete params.headers.host;
delete params.headers.referer;
if (!["GET", "HEAD"].includes(params.method))
params.body = req.body;
const reqAddress = url.resolve(reverseTo, path.join("/", req.originalUrl));
fetch(reverseTo, params)
.then(async result => {
const content = await result.text();
logger("result:", result);
logger("result.text():", content);
Object.entries(result?.headers ? result.headers : new Object()).forEach(([header, value]) => {
res.set(header, value);
});
res.status(result.status).send(content);
})
.catch(err => {
console.error(err);
res.status(500).send("<head><title>Error</title></head><body><h1>Error:</h1><hr/><p>Error catched. Check logs</p></body>");
});
});
app.listen(global.config.net.port, address, (err) => {
if (err) {
throw err;
}
console.log(`Koboldcpp reverse proxy server listened at ${
address
}:${global.config.net.port}`);
})