SillyTavern/server.js

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JavaScript
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#!/usr/bin/env node
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// native node modules
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const crypto = require('crypto');
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const fs = require('fs');
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const http = require("http");
const https = require('https');
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const path = require('path');
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const readline = require('readline');
const util = require('util');
const { Readable } = require('stream');
const { TextDecoder } = require('util');
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// cli/fs related library imports
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const open = require('open');
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const sanitize = require('sanitize-filename');
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const writeFileAtomicSync = require('write-file-atomic').sync;
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const yargs = require('yargs/yargs');
const { hideBin } = require('yargs/helpers');
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// express/server related library imports
const cors = require('cors');
const doubleCsrf = require('csrf-csrf').doubleCsrf;
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const express = require('express');
const compression = require('compression');
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const cookieParser = require('cookie-parser');
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const multer = require("multer");
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const responseTime = require('response-time');
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// net related library imports
const net = require("net");
const dns = require('dns');
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const DeviceDetector = require("device-detector-js");
const fetch = require('node-fetch').default;
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const ipaddr = require('ipaddr.js');
const ipMatching = require('ip-matching');
const json5 = require('json5');
const WebSocket = require('ws');
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// image processing related library imports
const encode = require('png-chunks-encode');
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const extract = require('png-chunks-extract');
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const jimp = require('jimp');
const mime = require('mime-types');
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const PNGtext = require('png-chunk-text');
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// tokenizing related library imports
const { SentencePieceProcessor } = require("@agnai/sentencepiece-js");
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const tiktoken = require('@dqbd/tiktoken');
const { Tokenizer } = require('@agnai/web-tokenizers');
// misc/other imports
const _ = require('lodash');
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// Unrestrict console logs display limit
util.inspect.defaultOptions.maxArrayLength = null;
util.inspect.defaultOptions.maxStringLength = null;
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// local library imports
const basicAuthMiddleware = require('./src/middleware/basicAuthMiddleware');
const characterCardParser = require('./src/character-card-parser.js');
const contentManager = require('./src/content-manager');
const statsHelpers = require('./statsHelpers.js');
const { readSecret, migrateSecrets, SECRET_KEYS } = require('./src/secrets');
const { delay, getVersion } = require('./src/util');
const { invalidateThumbnail, ensureThumbnailCache } = require('./src/thumbnails');
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// Work around a node v20.0.0, v20.1.0, and v20.2.0 bug. The issue was fixed in v20.3.0.
// https://github.com/nodejs/node/issues/47822#issuecomment-1564708870
// Safe to remove once support for Node v20 is dropped.
if (process.versions && process.versions.node && process.versions.node.match(/20\.[0-2]\.0/)) {
// @ts-ignore
if (net.setDefaultAutoSelectFamily) net.setDefaultAutoSelectFamily(false);
}
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// Set default DNS resolution order to IPv4 first
dns.setDefaultResultOrder('ipv4first');
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const cliArguments = yargs(hideBin(process.argv))
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.option('disableCsrf', {
type: 'boolean',
default: false,
describe: 'Disables CSRF protection'
}).option('ssl', {
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type: 'boolean',
default: false,
describe: 'Enables SSL'
}).option('certPath', {
type: 'string',
default: 'certs/cert.pem',
describe: 'Path to your certificate file.'
}).option('keyPath', {
type: 'string',
default: 'certs/privkey.pem',
describe: 'Path to your private key file.'
}).parseSync();
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// change all relative paths
const directory = process['pkg'] ? path.dirname(process.execPath) : __dirname;
console.log(process['pkg'] ? 'Running from binary' : 'Running from source');
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process.chdir(directory);
const app = express();
app.use(compression());
app.use(responseTime());
// impoort from statsHelpers.js
const config = require(path.join(process.cwd(), './config.conf'));
const server_port = process.env.SILLY_TAVERN_PORT || config.port;
const whitelistPath = path.join(process.cwd(), "./whitelist.txt");
let whitelist = config.whitelist;
if (fs.existsSync(whitelistPath)) {
try {
let whitelistTxt = fs.readFileSync(whitelistPath, 'utf-8');
whitelist = whitelistTxt.split("\n").filter(ip => ip).map(ip => ip.trim());
} catch (e) { }
}
const whitelistMode = config.whitelistMode;
const autorun = config.autorun && !cliArguments.ssl;
const enableExtensions = config.enableExtensions;
const listen = config.listen;
const API_OPENAI = "https://api.openai.com/v1";
const API_CLAUDE = "https://api.anthropic.com/v1";
// These should be gone and come from the frontend. But for now, they're here.
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let api_server = "http://0.0.0.0:5000";
let main_api = "kobold";
let characters = {};
let response_dw_bg;
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let color = {
byNum: (mess, fgNum) => {
mess = mess || '';
fgNum = fgNum === undefined ? 31 : fgNum;
return '\u001b[' + fgNum + 'm' + mess + '\u001b[39m';
},
black: (mess) => color.byNum(mess, 30),
red: (mess) => color.byNum(mess, 31),
green: (mess) => color.byNum(mess, 32),
yellow: (mess) => color.byNum(mess, 33),
blue: (mess) => color.byNum(mess, 34),
magenta: (mess) => color.byNum(mess, 35),
cyan: (mess) => color.byNum(mess, 36),
white: (mess) => color.byNum(mess, 37)
};
function get_mancer_headers() {
const api_key_mancer = readSecret(SECRET_KEYS.MANCER);
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return api_key_mancer ? { "X-API-KEY": api_key_mancer } : {};
}
function getOverrideHeaders(urlHost) {
const overrideHeaders = config.requestOverrides?.find((e) => e.hosts?.includes(urlHost))?.headers;
if (overrideHeaders && urlHost) {
return overrideHeaders;
} else {
return {};
}
}
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//RossAscends: Added function to format dates used in files and chat timestamps to a humanized format.
//Mostly I wanted this to be for file names, but couldn't figure out exactly where the filename save code was as everything seemed to be connected.
//During testing, this performs the same as previous date.now() structure.
//It also does not break old characters/chats, as the code just uses whatever timestamp exists in the chat.
//New chats made with characters will use this new formatting.
//Useable variable is (( humanizedISO8601Datetime ))
const CHARS_PER_TOKEN = 3.35;
let spp_llama;
let spp_nerd;
let spp_nerd_v2;
let claude_tokenizer;
async function loadSentencepieceTokenizer(modelPath) {
try {
const spp = new SentencePieceProcessor();
await spp.load(modelPath);
return spp;
} catch (error) {
console.error("Sentencepiece tokenizer failed to load: " + modelPath, error);
return null;
}
};
async function countSentencepieceTokens(spp, text) {
// Fallback to strlen estimation
if (!spp) {
return {
ids: [],
count: Math.ceil(text.length / CHARS_PER_TOKEN)
};
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}
let cleaned = text; // cleanText(text); <-- cleaning text can result in an incorrect tokenization
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let ids = spp.encodeIds(cleaned);
return {
ids,
count: ids.length
};
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}
async function loadClaudeTokenizer(modelPath) {
try {
const arrayBuffer = fs.readFileSync(modelPath).buffer;
const instance = await Tokenizer.fromJSON(arrayBuffer);
return instance;
} catch (error) {
console.error("Claude tokenizer failed to load: " + modelPath, error);
return null;
}
}
function countClaudeTokens(tokenizer, messages) {
const convertedPrompt = convertClaudePrompt(messages, false, false);
// Fallback to strlen estimation
if (!tokenizer) {
return Math.ceil(convertedPrompt.length / CHARS_PER_TOKEN);
}
const count = tokenizer.encode(convertedPrompt).length;
return count;
}
const tokenizersCache = {};
/**
* @type {import('@dqbd/tiktoken').TiktokenModel[]}
*/
const textCompletionModels = [
"text-davinci-003",
"text-davinci-002",
"text-davinci-001",
"text-curie-001",
"text-babbage-001",
"text-ada-001",
"code-davinci-002",
"code-davinci-001",
"code-cushman-002",
"code-cushman-001",
"text-davinci-edit-001",
"code-davinci-edit-001",
"text-embedding-ada-002",
"text-similarity-davinci-001",
"text-similarity-curie-001",
"text-similarity-babbage-001",
"text-similarity-ada-001",
"text-search-davinci-doc-001",
"text-search-curie-doc-001",
"text-search-babbage-doc-001",
"text-search-ada-doc-001",
"code-search-babbage-code-001",
"code-search-ada-code-001",
];
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function getTokenizerModel(requestModel) {
if (requestModel.includes('claude')) {
return 'claude';
}
if (requestModel.includes('gpt-4-32k')) {
return 'gpt-4-32k';
}
if (requestModel.includes('gpt-4')) {
return 'gpt-4';
}
if (requestModel.includes('gpt-3.5-turbo')) {
return 'gpt-3.5-turbo';
}
if (textCompletionModels.includes(requestModel)) {
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return requestModel;
}
// default
return 'gpt-3.5-turbo';
}
function getTiktokenTokenizer(model) {
if (tokenizersCache[model]) {
return tokenizersCache[model];
}
const tokenizer = tiktoken.encoding_for_model(model);
console.log('Instantiated the tokenizer for', model);
tokenizersCache[model] = tokenizer;
return tokenizer;
}
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function humanizedISO8601DateTime(date) {
let baseDate = typeof date === 'number' ? new Date(date) : new Date();
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let humanYear = baseDate.getFullYear();
let humanMonth = (baseDate.getMonth() + 1);
let humanDate = baseDate.getDate();
let humanHour = (baseDate.getHours() < 10 ? '0' : '') + baseDate.getHours();
let humanMinute = (baseDate.getMinutes() < 10 ? '0' : '') + baseDate.getMinutes();
let humanSecond = (baseDate.getSeconds() < 10 ? '0' : '') + baseDate.getSeconds();
let humanMillisecond = (baseDate.getMilliseconds() < 10 ? '0' : '') + baseDate.getMilliseconds();
let HumanizedDateTime = (humanYear + "-" + humanMonth + "-" + humanDate + " @" + humanHour + "h " + humanMinute + "m " + humanSecond + "s " + humanMillisecond + "ms");
return HumanizedDateTime;
};
var charactersPath = 'public/characters/';
var chatsPath = 'public/chats/';
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const SETTINGS_FILE = './public/settings.json';
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const AVATAR_WIDTH = 400;
const AVATAR_HEIGHT = 600;
const jsonParser = express.json({ limit: '100mb' });
const urlencodedParser = express.urlencoded({ extended: true, limit: '100mb' });
const { DIRECTORIES, UPLOADS_PATH } = require('./src/constants');
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// CSRF Protection //
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if (cliArguments.disableCsrf === false) {
const CSRF_SECRET = crypto.randomBytes(8).toString('hex');
const COOKIES_SECRET = crypto.randomBytes(8).toString('hex');
const { generateToken, doubleCsrfProtection } = doubleCsrf({
getSecret: () => CSRF_SECRET,
cookieName: "X-CSRF-Token",
cookieOptions: {
httpOnly: true,
sameSite: "strict",
secure: false
},
size: 64,
getTokenFromRequest: (req) => req.headers["x-csrf-token"]
});
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app.get("/csrf-token", (req, res) => {
res.json({
"token": generateToken(res, req)
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});
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});
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app.use(cookieParser(COOKIES_SECRET));
app.use(doubleCsrfProtection);
} else {
console.warn("\nCSRF protection is disabled. This will make your server vulnerable to CSRF attacks.\n");
app.get("/csrf-token", (req, res) => {
res.json({
"token": 'disabled'
});
});
}
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// CORS Settings //
const CORS = cors({
origin: 'null',
methods: ['OPTIONS']
});
app.use(CORS);
if (listen && config.basicAuthMode) app.use(basicAuthMiddleware);
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// IP Whitelist //
let knownIPs = new Set();
function getIpFromRequest(req) {
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let clientIp = req.connection.remoteAddress;
let ip = ipaddr.parse(clientIp);
// Check if the IP address is IPv4-mapped IPv6 address
if (ip.kind() === 'ipv6' && ip instanceof ipaddr.IPv6 && ip.isIPv4MappedAddress()) {
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const ipv4 = ip.toIPv4Address().toString();
clientIp = ipv4;
} else {
clientIp = ip;
clientIp = clientIp.toString();
}
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return clientIp;
}
app.use(function (req, res, next) {
const clientIp = getIpFromRequest(req);
if (listen && !knownIPs.has(clientIp)) {
const userAgent = req.headers['user-agent'];
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console.log(color.yellow(`New connection from ${clientIp}; User Agent: ${userAgent}\n`));
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knownIPs.add(clientIp);
// Write access log
const timestamp = new Date().toISOString();
const log = `${timestamp} ${clientIp} ${userAgent}\n`;
fs.appendFile('access.log', log, (err) => {
if (err) {
console.error('Failed to write access log:', err);
}
});
}
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//clientIp = req.connection.remoteAddress.split(':').pop();
if (whitelistMode === true && !whitelist.some(x => ipMatching.matches(clientIp, ipMatching.getMatch(x)))) {
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console.log(color.red('Forbidden: Connection attempt from ' + clientIp + '. If you are attempting to connect, please add your IP address in whitelist or disable whitelist mode in config.conf in root of SillyTavern folder.\n'));
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return res.status(403).send('<b>Forbidden</b>: Connection attempt from <b>' + clientIp + '</b>. If you are attempting to connect, please add your IP address in whitelist or disable whitelist mode in config.conf in root of SillyTavern folder.');
}
next();
});
app.use(express.static(process.cwd() + "/public", {}));
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app.use('/backgrounds', (req, res) => {
const filePath = decodeURIComponent(path.join(process.cwd(), 'public/backgrounds', req.url.replace(/%20/g, ' ')));
fs.readFile(filePath, (err, data) => {
if (err) {
res.status(404).send('File not found');
return;
}
//res.contentType('image/jpeg');
res.send(data);
});
});
app.use('/characters', (req, res) => {
const filePath = decodeURIComponent(path.join(process.cwd(), charactersPath, req.url.replace(/%20/g, ' ')));
fs.readFile(filePath, (err, data) => {
if (err) {
res.status(404).send('File not found');
return;
}
res.send(data);
});
});
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app.use(multer({ dest: UPLOADS_PATH, limits: { fieldSize: 10 * 1024 * 1024 } }).single("avatar"));
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app.get("/", function (request, response) {
response.sendFile(process.cwd() + "/public/index.html");
});
app.get("/notes/*", function (request, response) {
response.sendFile(process.cwd() + "/public" + request.url + ".html");
});
app.get('/deviceinfo', function (request, response) {
const userAgent = request.header('user-agent');
const deviceDetector = new DeviceDetector();
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const deviceInfo = deviceDetector.parse(userAgent || "");
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return response.send(deviceInfo);
});
app.get('/version', function (_, response) {
const data = getVersion();
response.send(data);
})
//**************Kobold api
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app.post("/generate", jsonParser, async function (request, response_generate) {
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if (!request.body) return response_generate.sendStatus(400);
const request_prompt = request.body.prompt;
const controller = new AbortController();
request.socket.removeAllListeners('close');
request.socket.on('close', async function () {
if (request.body.can_abort && !response_generate.writableEnded) {
try {
console.log('Aborting Kobold generation...');
// send abort signal to koboldcpp
const abortResponse = await fetch(`${api_server}/extra/abort`, {
method: 'POST',
});
if (!abortResponse.ok) {
console.log('Error sending abort request to Kobold:', abortResponse.status);
}
} catch (error) {
console.log(error);
}
}
controller.abort();
});
let this_settings = {
prompt: request_prompt,
use_story: false,
use_memory: false,
use_authors_note: false,
use_world_info: false,
max_context_length: request.body.max_context_length,
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max_length: request.body.max_length,
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};
if (request.body.gui_settings == false) {
const sampler_order = [request.body.s1, request.body.s2, request.body.s3, request.body.s4, request.body.s5, request.body.s6, request.body.s7];
this_settings = {
prompt: request_prompt,
use_story: false,
use_memory: false,
use_authors_note: false,
use_world_info: false,
max_context_length: request.body.max_context_length,
max_length: request.body.max_length,
rep_pen: request.body.rep_pen,
rep_pen_range: request.body.rep_pen_range,
rep_pen_slope: request.body.rep_pen_slope,
temperature: request.body.temperature,
tfs: request.body.tfs,
top_a: request.body.top_a,
top_k: request.body.top_k,
top_p: request.body.top_p,
typical: request.body.typical,
sampler_order: sampler_order,
singleline: !!request.body.singleline,
use_default_badwordsids: request.body.use_default_badwordsids,
mirostat: request.body.mirostat,
mirostat_eta: request.body.mirostat_eta,
mirostat_tau: request.body.mirostat_tau,
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};
if (!!request.body.stop_sequence) {
this_settings['stop_sequence'] = request.body.stop_sequence;
}
}
console.log(this_settings);
const args = {
body: JSON.stringify(this_settings),
headers: Object.assign(
{ "Content-Type": "application/json" },
getOverrideHeaders((new URL(api_server))?.host)
),
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signal: controller.signal,
};
const MAX_RETRIES = 50;
const delayAmount = 2500;
for (let i = 0; i < MAX_RETRIES; i++) {
try {
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const url = request.body.streaming ? `${api_server}/extra/generate/stream` : `${api_server}/v1/generate`;
const response = await fetch(url, { method: 'POST', timeout: 0, ...args });
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if (request.body.streaming) {
request.socket.on('close', function () {
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if (response.body instanceof Readable) response.body.destroy(); // Close the remote stream
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response_generate.end(); // End the Express response
});
response.body.on('end', function () {
console.log("Streaming request finished");
response_generate.end();
});
// Pipe remote SSE stream to Express response
return response.body.pipe(response_generate);
} else {
if (!response.ok) {
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const errorText = await response.text();
console.log(`Kobold returned error: ${response.status} ${response.statusText} ${errorText}`);
try {
const errorJson = JSON.parse(errorText);
const message = errorJson?.detail?.msg || errorText;
return response_generate.status(400).send({ error: { message } });
} catch {
return response_generate.status(400).send({ error: { message: errorText } });
}
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}
const data = await response.json();
console.log("Endpoint response:", data);
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return response_generate.send(data);
}
} catch (error) {
// response
switch (error?.status) {
case 403:
case 503: // retry in case of temporary service issue, possibly caused by a queue failure?
console.debug(`KoboldAI is busy. Retry attempt ${i + 1} of ${MAX_RETRIES}...`);
await delay(delayAmount);
break;
default:
if ('status' in error) {
console.log('Status Code from Kobold:', error.status);
}
return response_generate.send({ error: true });
}
}
}
console.log('Max retries exceeded. Giving up.');
return response_generate.send({ error: true });
});
//************** Text generation web UI
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app.post("/generate_textgenerationwebui", jsonParser, async function (request, response_generate) {
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if (!request.body) return response_generate.sendStatus(400);
console.log(request.body);
const controller = new AbortController();
let isGenerationStopped = false;
request.socket.removeAllListeners('close');
request.socket.on('close', function () {
isGenerationStopped = true;
controller.abort();
});
if (request.header('X-Response-Streaming')) {
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const streamingUrlHeader = request.header('X-Streaming-URL');
if (streamingUrlHeader === undefined) return response_generate.sendStatus(400);
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const streamingUrlString = streamingUrlHeader.replace("localhost", "127.0.0.1");
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response_generate.writeHead(200, {
'Content-Type': 'text/plain;charset=utf-8',
'Transfer-Encoding': 'chunked',
'Cache-Control': 'no-transform',
});
async function* readWebsocket() {
const streamingUrl = new URL(streamingUrlString);
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const websocket = new WebSocket(streamingUrl);
websocket.on('open', async function () {
console.log('WebSocket opened');
const combined_args = Object.assign(
{},
request.body.use_mancer ? get_mancer_headers() : getOverrideHeaders(streamingUrl?.host),
request.body
);
console.log(combined_args);
websocket.send(JSON.stringify(combined_args));
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});
websocket.on('close', (code, buffer) => {
const reason = new TextDecoder().decode(buffer)
console.log("WebSocket closed (reason: %o)", reason);
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});
while (true) {
if (isGenerationStopped) {
console.error('Streaming stopped by user. Closing websocket...');
websocket.close();
return;
}
let rawMessage = null;
try {
// This lunacy is because the websocket can fail to connect AFTER we're awaiting 'message'... so 'message' never triggers.
// So instead we need to look for 'error' at the same time to reject the promise. And then remove the listener if we resolve.
// This is awful.
// Welcome to the shenanigan shack.
rawMessage = await new Promise(function (resolve, reject) {
websocket.once('error', reject);
websocket.once('message', (data, isBinary) => {
websocket.removeListener('error', reject);
resolve(data);
});
});
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} catch (err) {
console.error("Socket error:", err);
websocket.close();
yield "[SillyTavern] Streaming failed:\n" + err;
return;
}
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const message = json5.parse(rawMessage);
switch (message.event) {
case 'text_stream':
yield message.text;
break;
case 'stream_end':
websocket.close();
return;
}
}
}
let reply = '';
try {
for await (const text of readWebsocket()) {
if (typeof text !== 'string') {
break;
}
let newText = text;
if (!newText) {
continue;
}
reply += text;
response_generate.write(newText);
}
console.log(reply);
}
finally {
response_generate.end();
}
}
else {
const args = {
body: JSON.stringify(request.body),
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headers: { "Content-Type": "application/json" },
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signal: controller.signal,
};
if (request.body.use_mancer) {
args.headers = Object.assign(args.headers, get_mancer_headers());
} else {
args.headers = Object.assign(args.headers, getOverrideHeaders((new URL(api_server))?.host));
}
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try {
const data = await postAsync(api_server + "/v1/generate", args);
console.log("Endpoint response:", data);
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return response_generate.send(data);
} catch (error) {
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let retval = { error: true, status: error.status, response: error.statusText };
console.log("Endpoint error:", error);
try {
retval.response = await error.json();
retval.response = retval.response.result;
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} catch { }
return response_generate.send(retval);
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}
}
});
app.post("/savechat", jsonParser, function (request, response) {
try {
var dir_name = String(request.body.avatar_url).replace('.png', '');
let chat_data = request.body.chat;
let jsonlData = chat_data.map(JSON.stringify).join('\n');
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writeFileAtomicSync(`${chatsPath + sanitize(dir_name)}/${sanitize(String(request.body.file_name))}.jsonl`, jsonlData, 'utf8');
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return response.send({ result: "ok" });
} catch (error) {
response.send(error);
return console.log(error);
}
});
app.post("/getchat", jsonParser, function (request, response) {
try {
const dirName = String(request.body.avatar_url).replace('.png', '');
const chatDirExists = fs.existsSync(chatsPath + dirName);
//if no chat dir for the character is found, make one with the character name
if (!chatDirExists) {
fs.mkdirSync(chatsPath + dirName);
return response.send({});
}
if (!request.body.file_name) {
return response.send({});
}
const fileName = `${chatsPath + dirName}/${sanitize(String(request.body.file_name))}.jsonl`;
const chatFileExists = fs.existsSync(fileName);
if (!chatFileExists) {
return response.send({});
}
const data = fs.readFileSync(fileName, 'utf8');
const lines = data.split('\n');
// Iterate through the array of strings and parse each line as JSON
const jsonData = lines.map(tryParse).filter(x => x);
return response.send(jsonData);
} catch (error) {
console.error(error);
return response.send({});
}
});
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app.post("/api/mancer/models", jsonParser, async function (_req, res) {
try {
const response = await fetch('https://mancer.tech/internal/api/models');
const data = await response.json();
if (!response.ok) {
console.log('Mancer models endpoint is offline.');
return res.json([]);
}
if (!Array.isArray(data.models)) {
console.log('Mancer models response is not an array.')
return res.json([]);
}
const modelIds = data.models.map(x => x.id);
console.log('Mancer models available:', modelIds);
return res.json(data.models);
} catch (error) {
console.error(error);
return res.json([]);
}
});
// Only called for kobold and ooba/mancer
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app.post("/getstatus", jsonParser, async function (request, response) {
if (!request.body) return response.sendStatus(400);
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api_server = request.body.api_server;
main_api = request.body.main_api;
if (api_server.indexOf('localhost') != -1) {
api_server = api_server.replace('localhost', '127.0.0.1');
}
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const args = {
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headers: { "Content-Type": "application/json" }
};
if (main_api == 'textgenerationwebui' && request.body.use_mancer) {
args.headers = Object.assign(args.headers, get_mancer_headers());
} else {
args.headers = Object.assign(args.headers, getOverrideHeaders((new URL(api_server))?.host));
}
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const url = api_server + "/v1/model";
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let version = '';
let koboldVersion = {};
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if (main_api == "kobold") {
try {
version = (await fetchJSON(api_server + "/v1/info/version")).result
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}
catch {
version = '0.0.0';
}
try {
koboldVersion = (await fetchJSON(api_server + "/extra/version"));
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}
catch {
koboldVersion = {
result: 'Kobold',
version: '0.0',
};
}
}
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try {
let data = await fetchJSON(url, args);
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if (!data || typeof data !== 'object') {
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data = {};
}
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if (data.result == "ReadOnly") {
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data.result = "no_connection";
}
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data.version = version;
data.koboldVersion = koboldVersion;
return response.send(data);
} catch (error) {
console.log(error);
return response.send({ result: "no_connection" });
}
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});
function tryParse(str) {
try {
return json5.parse(str);
} catch {
return undefined;
}
}
function convertToV2(char) {
// Simulate incoming data from frontend form
const result = charaFormatData({
json_data: JSON.stringify(char),
ch_name: char.name,
description: char.description,
personality: char.personality,
scenario: char.scenario,
first_mes: char.first_mes,
mes_example: char.mes_example,
creator_notes: char.creatorcomment,
talkativeness: char.talkativeness,
fav: char.fav,
creator: char.creator,
tags: char.tags,
});
result.chat = char.chat ?? humanizedISO8601DateTime();
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result.create_date = char.create_date ?? humanizedISO8601DateTime();
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return result;
}
function unsetFavFlag(char) {
_.set(char, 'fav', false);
_.set(char, 'data.extensions.fav', false);
}
function readFromV2(char) {
if (_.isUndefined(char.data)) {
console.warn('Spec v2 data missing');
return char;
}
const fieldMappings = {
name: 'name',
description: 'description',
personality: 'personality',
scenario: 'scenario',
first_mes: 'first_mes',
mes_example: 'mes_example',
talkativeness: 'extensions.talkativeness',
fav: 'extensions.fav',
tags: 'tags',
};
_.forEach(fieldMappings, (v2Path, charField) => {
//console.log(`Migrating field: ${charField} from ${v2Path}`);
const v2Value = _.get(char.data, v2Path);
if (_.isUndefined(v2Value)) {
let defaultValue = undefined;
// Backfill default values for missing ST extension fields
if (v2Path === 'extensions.talkativeness') {
defaultValue = 0.5;
}
if (v2Path === 'extensions.fav') {
defaultValue = false;
}
if (!_.isUndefined(defaultValue)) {
//console.debug(`Spec v2 extension data missing for field: ${charField}, using default value: ${defaultValue}`);
char[charField] = defaultValue;
} else {
console.debug(`Spec v2 data missing for unknown field: ${charField}`);
return;
}
}
if (!_.isUndefined(char[charField]) && !_.isUndefined(v2Value) && String(char[charField]) !== String(v2Value)) {
console.debug(`Spec v2 data mismatch with Spec v1 for field: ${charField}`, char[charField], v2Value);
}
char[charField] = v2Value;
});
char['chat'] = char['chat'] ?? humanizedISO8601DateTime();
return char;
}
//***************** Main functions
function charaFormatData(data) {
// This is supposed to save all the foreign keys that ST doesn't care about
const char = tryParse(data.json_data) || {};
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// Checks if data.alternate_greetings is an array, a string, or neither, and acts accordingly. (expected to be an array of strings)
const getAlternateGreetings = data => {
if (Array.isArray(data.alternate_greetings)) return data.alternate_greetings
if (typeof data.alternate_greetings === 'string') return [data.alternate_greetings]
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return []
}
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// Spec V1 fields
_.set(char, 'name', data.ch_name);
_.set(char, 'description', data.description || '');
_.set(char, 'personality', data.personality || '');
_.set(char, 'scenario', data.scenario || '');
_.set(char, 'first_mes', data.first_mes || '');
_.set(char, 'mes_example', data.mes_example || '');
// Old ST extension fields (for backward compatibility, will be deprecated)
_.set(char, 'creatorcomment', data.creator_notes);
_.set(char, 'avatar', 'none');
_.set(char, 'chat', data.ch_name + ' - ' + humanizedISO8601DateTime());
_.set(char, 'talkativeness', data.talkativeness);
_.set(char, 'fav', data.fav == 'true');
// Spec V2 fields
_.set(char, 'spec', 'chara_card_v2');
_.set(char, 'spec_version', '2.0');
_.set(char, 'data.name', data.ch_name);
_.set(char, 'data.description', data.description || '');
_.set(char, 'data.personality', data.personality || '');
_.set(char, 'data.scenario', data.scenario || '');
_.set(char, 'data.first_mes', data.first_mes || '');
_.set(char, 'data.mes_example', data.mes_example || '');
// New V2 fields
_.set(char, 'data.creator_notes', data.creator_notes || '');
_.set(char, 'data.system_prompt', data.system_prompt || '');
_.set(char, 'data.post_history_instructions', data.post_history_instructions || '');
_.set(char, 'data.tags', typeof data.tags == 'string' ? (data.tags.split(',').map(x => x.trim()).filter(x => x)) : data.tags || []);
_.set(char, 'data.creator', data.creator || '');
_.set(char, 'data.character_version', data.character_version || '');
_.set(char, 'data.alternate_greetings', getAlternateGreetings(data));
// ST extension fields to V2 object
_.set(char, 'data.extensions.talkativeness', data.talkativeness);
_.set(char, 'data.extensions.fav', data.fav == 'true');
_.set(char, 'data.extensions.world', data.world || '');
//_.set(char, 'data.extensions.create_date', humanizedISO8601DateTime());
//_.set(char, 'data.extensions.avatar', 'none');
//_.set(char, 'data.extensions.chat', data.ch_name + ' - ' + humanizedISO8601DateTime());
if (data.world) {
try {
const file = readWorldInfoFile(data.world);
// File was imported - save it to the character book
if (file && file.originalData) {
_.set(char, 'data.character_book', file.originalData);
}
// File was not imported - convert the world info to the character book
if (file && file.entries) {
_.set(char, 'data.character_book', convertWorldInfoToCharacterBook(data.world, file.entries));
}
} catch {
console.debug(`Failed to read world info file: ${data.world}. Character book will not be available.`);
}
}
return char;
}
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app.post("/createcharacter", urlencodedParser, async function (request, response) {
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if (!request.body) return response.sendStatus(400);
request.body.ch_name = sanitize(request.body.ch_name);
const char = JSON.stringify(charaFormatData(request.body));
const internalName = getPngName(request.body.ch_name);
const avatarName = `${internalName}.png`;
const defaultAvatar = './public/img/ai4.png';
const chatsPath = DIRECTORIES.chats + internalName; //path.join(chatsPath, internalName);
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if (!fs.existsSync(chatsPath)) fs.mkdirSync(chatsPath);
if (!request.file) {
charaWrite(defaultAvatar, char, internalName, response, avatarName);
} else {
const crop = tryParse(request.query.crop);
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const uploadPath = path.join(UPLOADS_PATH, request.file.filename);
await charaWrite(uploadPath, char, internalName, response, avatarName, crop);
fs.unlinkSync(uploadPath);
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}
});
app.post('/renamechat', jsonParser, async function (request, response) {
if (!request.body || !request.body.original_file || !request.body.renamed_file) {
return response.sendStatus(400);
}
const pathToFolder = request.body.is_group
? DIRECTORIES.groupChats
: path.join(DIRECTORIES.chats, String(request.body.avatar_url).replace('.png', ''));
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const pathToOriginalFile = path.join(pathToFolder, request.body.original_file);
const pathToRenamedFile = path.join(pathToFolder, request.body.renamed_file);
console.log('Old chat name', pathToOriginalFile);
console.log('New chat name', pathToRenamedFile);
if (!fs.existsSync(pathToOriginalFile) || fs.existsSync(pathToRenamedFile)) {
console.log('Either Source or Destination files are not available');
return response.status(400).send({ error: true });
}
console.log('Successfully renamed.');
fs.renameSync(pathToOriginalFile, pathToRenamedFile);
return response.send({ ok: true });
});
app.post("/renamecharacter", jsonParser, async function (request, response) {
if (!request.body.avatar_url || !request.body.new_name) {
return response.sendStatus(400);
}
const oldAvatarName = request.body.avatar_url;
const newName = sanitize(request.body.new_name);
const oldInternalName = path.parse(request.body.avatar_url).name;
const newInternalName = getPngName(newName);
const newAvatarName = `${newInternalName}.png`;
const oldAvatarPath = path.join(charactersPath, oldAvatarName);
const oldChatsPath = path.join(chatsPath, oldInternalName);
const newChatsPath = path.join(chatsPath, newInternalName);
try {
// Read old file, replace name int it
const rawOldData = await charaRead(oldAvatarPath);
if (rawOldData === undefined) throw new Error("Failed to read character file");
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const oldData = getCharaCardV2(json5.parse(rawOldData));
_.set(oldData, 'data.name', newName);
_.set(oldData, 'name', newName);
const newData = JSON.stringify(oldData);
// Write data to new location
await charaWrite(oldAvatarPath, newData, newInternalName);
// Rename chats folder
if (fs.existsSync(oldChatsPath) && !fs.existsSync(newChatsPath)) {
fs.renameSync(oldChatsPath, newChatsPath);
}
// Remove the old character file
fs.rmSync(oldAvatarPath);
// Return new avatar name to ST
return response.send({ 'avatar': newAvatarName });
}
catch (err) {
console.error(err);
return response.sendStatus(500);
}
});
app.post("/editcharacter", urlencodedParser, async function (request, response) {
if (!request.body) {
console.error('Error: no response body detected');
response.status(400).send('Error: no response body detected');
return;
}
if (request.body.ch_name === '' || request.body.ch_name === undefined || request.body.ch_name === '.') {
console.error('Error: invalid name.');
response.status(400).send('Error: invalid name.');
return;
}
let char = charaFormatData(request.body);
char.chat = request.body.chat;
char.create_date = request.body.create_date;
char = JSON.stringify(char);
let target_img = (request.body.avatar_url).replace('.png', '');
try {
if (!request.file) {
const avatarPath = path.join(charactersPath, request.body.avatar_url);
await charaWrite(avatarPath, char, target_img, response, 'Character saved');
} else {
const crop = tryParse(request.query.crop);
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const newAvatarPath = path.join(UPLOADS_PATH, request.file.filename);
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invalidateThumbnail('avatar', request.body.avatar_url);
await charaWrite(newAvatarPath, char, target_img, response, 'Character saved', crop);
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fs.unlinkSync(newAvatarPath);
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}
}
catch {
console.error('An error occured, character edit invalidated.');
}
});
/**
* Handle a POST request to edit a character attribute.
*
* This function reads the character data from a file, updates the specified attribute,
* and writes the updated data back to the file.
*
* @param {Object} request - The HTTP request object.
* @param {Object} response - The HTTP response object.
* @returns {void}
*/
app.post("/editcharacterattribute", jsonParser, async function (request, response) {
console.log(request.body);
if (!request.body) {
console.error('Error: no response body detected');
response.status(400).send('Error: no response body detected');
return;
}
if (request.body.ch_name === '' || request.body.ch_name === undefined || request.body.ch_name === '.') {
console.error('Error: invalid name.');
response.status(400).send('Error: invalid name.');
return;
}
try {
const avatarPath = path.join(charactersPath, request.body.avatar_url);
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let charJSON = await charaRead(avatarPath);
if (typeof charJSON !== 'string') throw new Error("Failed to read character file");
let char = JSON.parse(charJSON)
//check if the field exists
if (char[request.body.field] === undefined && char.data[request.body.field] === undefined) {
console.error('Error: invalid field.');
response.status(400).send('Error: invalid field.');
return;
}
char[request.body.field] = request.body.value;
char.data[request.body.field] = request.body.value;
let newCharJSON = JSON.stringify(char);
await charaWrite(avatarPath, newCharJSON, (request.body.avatar_url).replace('.png', ''), response, 'Character saved');
} catch (err) {
console.error('An error occured, character edit invalidated.', err);
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}
});
app.post("/deletecharacter", jsonParser, async function (request, response) {
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if (!request.body || !request.body.avatar_url) {
return response.sendStatus(400);
}
if (request.body.avatar_url !== sanitize(request.body.avatar_url)) {
console.error('Malicious filename prevented');
return response.sendStatus(403);
}
const avatarPath = charactersPath + request.body.avatar_url;
if (!fs.existsSync(avatarPath)) {
return response.sendStatus(400);
}
fs.rmSync(avatarPath);
invalidateThumbnail('avatar', request.body.avatar_url);
let dir_name = (request.body.avatar_url.replace('.png', ''));
if (!dir_name.length) {
console.error('Malicious dirname prevented');
return response.sendStatus(403);
}
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if (request.body.delete_chats == true) {
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try {
await fs.promises.rm(path.join(chatsPath, sanitize(dir_name)), { recursive: true, force: true })
} catch (err) {
console.error(err);
return response.sendStatus(500);
}
}
return response.sendStatus(200);
});
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/**
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* @param {express.Response | undefined} response
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* @param {{file_name: string} | string} mes
*/
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async function charaWrite(img_url, data, target_img, response = undefined, mes = 'ok', crop = undefined) {
try {
// Read the image, resize, and save it as a PNG into the buffer
const image = await tryReadImage(img_url, crop);
// Get the chunks
const chunks = extract(image);
const tEXtChunks = chunks.filter(chunk => chunk.name === 'tEXt');
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// Remove all existing tEXt chunks
for (let tEXtChunk of tEXtChunks) {
chunks.splice(chunks.indexOf(tEXtChunk), 1);
}
// Add new chunks before the IEND chunk
const base64EncodedData = Buffer.from(data, 'utf8').toString('base64');
chunks.splice(-1, 0, PNGtext.encode('chara', base64EncodedData));
//chunks.splice(-1, 0, text.encode('lorem', 'ipsum'));
writeFileAtomicSync(charactersPath + target_img + '.png', Buffer.from(encode(chunks)));
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if (response !== undefined) response.send(mes);
return true;
} catch (err) {
console.log(err);
if (response !== undefined) response.status(500).send(err);
return false;
}
}
async function tryReadImage(img_url, crop) {
try {
let rawImg = await jimp.read(img_url);
let final_width = rawImg.bitmap.width, final_height = rawImg.bitmap.height
// Apply crop if defined
if (typeof crop == 'object' && [crop.x, crop.y, crop.width, crop.height].every(x => typeof x === 'number')) {
rawImg = rawImg.crop(crop.x, crop.y, crop.width, crop.height);
// Apply standard resize if requested
if (crop.want_resize) {
final_width = AVATAR_WIDTH
final_height = AVATAR_HEIGHT
} else {
final_width = crop.width;
final_height = crop.height;
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}
}
const image = await rawImg.cover(final_width, final_height).getBufferAsync(jimp.MIME_PNG);
return image;
}
// If it's an unsupported type of image (APNG) - just read the file as buffer
catch {
return fs.readFileSync(img_url);
}
}
async function charaRead(img_url, input_format) {
return characterCardParser.parse(img_url, input_format);
}
/**
* calculateChatSize - Calculates the total chat size for a given character.
*
* @param {string} charDir The directory where the chats are stored.
* @return { {chatSize: number, dateLastChat: number} } The total chat size.
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*/
const calculateChatSize = (charDir) => {
let chatSize = 0;
let dateLastChat = 0;
if (fs.existsSync(charDir)) {
const chats = fs.readdirSync(charDir);
if (Array.isArray(chats) && chats.length) {
for (const chat of chats) {
const chatStat = fs.statSync(path.join(charDir, chat));
chatSize += chatStat.size;
dateLastChat = Math.max(dateLastChat, chatStat.mtimeMs);
}
}
}
return { chatSize, dateLastChat };
}
// Calculate the total string length of the data object
const calculateDataSize = (data) => {
return typeof data === 'object' ? Object.values(data).reduce((acc, val) => acc + new String(val).length, 0) : 0;
}
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/**
* processCharacter - Process a given character, read its data and calculate its statistics.
*
* @param {string} item The name of the character.
* @param {number} i The index of the character in the characters list.
* @return {Promise} A Promise that resolves when the character processing is done.
*/
const processCharacter = async (item, i) => {
try {
const img_data = await charaRead(charactersPath + item);
if (img_data === undefined) throw new Error("Failed to read character file");
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let jsonObject = getCharaCardV2(json5.parse(img_data));
jsonObject.avatar = item;
characters[i] = jsonObject;
characters[i]['json_data'] = img_data;
const charStat = fs.statSync(path.join(charactersPath, item));
characters[i]['date_added'] = charStat.birthtimeMs;
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characters[i]['create_date'] = jsonObject['create_date'] || humanizedISO8601DateTime(charStat.birthtimeMs);
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const char_dir = path.join(chatsPath, item.replace('.png', ''));
const { chatSize, dateLastChat } = calculateChatSize(char_dir);
characters[i]['chat_size'] = chatSize;
characters[i]['date_last_chat'] = dateLastChat;
characters[i]['data_size'] = calculateDataSize(jsonObject?.data);
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}
catch (err) {
characters[i] = {
date_added: 0,
date_last_chat: 0,
chat_size: 0
};
console.log(`Could not process character: ${item}`);
if (err instanceof SyntaxError) {
console.log("String [" + i + "] is not valid JSON!");
} else {
console.log("An unexpected error occurred: ", err);
}
}
}
/**
* HTTP POST endpoint for the "/getcharacters" route.
*
* This endpoint is responsible for reading character files from the `charactersPath` directory,
* parsing character data, calculating stats for each character and responding with the data.
* Stats are calculated only on the first run, on subsequent runs the stats are fetched from
* the `charStats` variable.
* The stats are calculated by the `calculateStats` function.
* The characters are processed by the `processCharacter` function.
*
* @param {object} request The HTTP request object.
* @param {object} response The HTTP response object.
* @return {undefined} Does not return a value.
*/
app.post("/getcharacters", jsonParser, function (request, response) {
fs.readdir(charactersPath, async (err, files) => {
if (err) {
console.error(err);
return;
}
const pngFiles = files.filter(file => file.endsWith('.png'));
characters = {};
let processingPromises = pngFiles.map((file, index) => processCharacter(file, index));
await Promise.all(processingPromises); performance.mark('B');
response.send(JSON.stringify(characters));
});
});
app.post("/getonecharacter", jsonParser, async function (request, response) {
if (!request.body) return response.sendStatus(400);
const item = request.body.avatar_url;
const filePath = path.join(charactersPath, item);
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if (!fs.existsSync(filePath)) {
return response.sendStatus(404);
}
characters = {};
await processCharacter(item, 0);
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return response.send(characters[0]);
});
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/**
* Handle a POST request to get the stats object
*
* This function returns the stats object that was calculated by the `calculateStats` function.
*
*
* @param {Object} request - The HTTP request object.
* @param {Object} response - The HTTP response object.
* @returns {void}
*/
app.post("/getstats", jsonParser, function (request, response) {
response.send(JSON.stringify(statsHelpers.getCharStats()));
});
/**
* Handle a POST request to update the stats object
*
* This function updates the stats object with the data from the request body.
*
* @param {Object} request - The HTTP request object.
* @param {Object} response - The HTTP response object.
* @returns {void}
*
*/
app.post("/updatestats", jsonParser, function (request, response) {
if (!request.body) return response.sendStatus(400);
statsHelpers.setCharStats(request.body);
return response.sendStatus(200);
});
app.post("/getbackgrounds", jsonParser, function (request, response) {
var images = getImages("public/backgrounds");
response.send(JSON.stringify(images));
});
app.post("/getuseravatars", jsonParser, function (request, response) {
var images = getImages("public/User Avatars");
response.send(JSON.stringify(images));
});
app.post('/deleteuseravatar', jsonParser, function (request, response) {
if (!request.body) return response.sendStatus(400);
if (request.body.avatar !== sanitize(request.body.avatar)) {
console.error('Malicious avatar name prevented');
return response.sendStatus(403);
}
const fileName = path.join(DIRECTORIES.avatars, sanitize(request.body.avatar));
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if (fs.existsSync(fileName)) {
fs.rmSync(fileName);
return response.send({ result: 'ok' });
}
return response.sendStatus(404);
});
app.post("/setbackground", jsonParser, function (request, response) {
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try {
const bg = `#bg1 {background-image: url('../backgrounds/${request.body.bg}');}`;
writeFileAtomicSync('public/css/bg_load.css', bg, 'utf8');
response.send({ result: 'ok' });
} catch (err) {
console.log(err);
response.send(err);
}
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});
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app.post("/delbackground", jsonParser, function (request, response) {
if (!request.body) return response.sendStatus(400);
if (request.body.bg !== sanitize(request.body.bg)) {
console.error('Malicious bg name prevented');
return response.sendStatus(403);
}
const fileName = path.join('public/backgrounds/', sanitize(request.body.bg));
if (!fs.existsSync(fileName)) {
console.log('BG file not found');
return response.sendStatus(400);
}
fs.rmSync(fileName);
invalidateThumbnail('bg', request.body.bg);
return response.send('ok');
});
app.post("/delchat", jsonParser, function (request, response) {
console.log('/delchat entered');
if (!request.body) {
console.log('no request body seen');
return response.sendStatus(400);
}
if (request.body.chatfile !== sanitize(request.body.chatfile)) {
console.error('Malicious chat name prevented');
return response.sendStatus(403);
}
const dirName = String(request.body.avatar_url).replace('.png', '');
const fileName = `${chatsPath + dirName}/${sanitize(String(request.body.chatfile))}`;
const chatFileExists = fs.existsSync(fileName);
if (!chatFileExists) {
console.log(`Chat file not found '${fileName}'`);
return response.sendStatus(400);
} else {
console.log('found the chat file: ' + fileName);
/* fs.unlinkSync(fileName); */
fs.rmSync(fileName);
console.log('deleted chat file: ' + fileName);
}
return response.send('ok');
});
app.post('/renamebackground', jsonParser, function (request, response) {
if (!request.body) return response.sendStatus(400);
const oldFileName = path.join('public/backgrounds/', sanitize(request.body.old_bg));
const newFileName = path.join('public/backgrounds/', sanitize(request.body.new_bg));
if (!fs.existsSync(oldFileName)) {
console.log('BG file not found');
return response.sendStatus(400);
}
if (fs.existsSync(newFileName)) {
console.log('New BG file already exists');
return response.sendStatus(400);
}
fs.renameSync(oldFileName, newFileName);
invalidateThumbnail('bg', request.body.old_bg);
return response.send('ok');
});
app.post("/downloadbackground", urlencodedParser, function (request, response) {
response_dw_bg = response;
if (!request.body || !request.file) return response.sendStatus(400);
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const img_path = path.join(UPLOADS_PATH, request.file.filename);
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const filename = request.file.originalname;
try {
fs.copyFileSync(img_path, path.join('public/backgrounds/', filename));
invalidateThumbnail('bg', filename);
response_dw_bg.send(filename);
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fs.unlinkSync(img_path);
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} catch (err) {
console.error(err);
response_dw_bg.sendStatus(500);
}
});
app.post("/savesettings", jsonParser, function (request, response) {
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try {
writeFileAtomicSync('public/settings.json', JSON.stringify(request.body, null, 4), 'utf8');
response.send({ result: "ok" });
} catch (err) {
console.log(err);
response.send(err);
}
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});
function getCharaCardV2(jsonObject) {
if (jsonObject.spec === undefined) {
jsonObject = convertToV2(jsonObject);
} else {
jsonObject = readFromV2(jsonObject);
}
return jsonObject;
}
function readAndParseFromDirectory(directoryPath, fileExtension = '.json') {
const files = fs
.readdirSync(directoryPath)
.filter(x => path.parse(x).ext == fileExtension)
.sort();
const parsedFiles = [];
files.forEach(item => {
try {
const file = fs.readFileSync(path.join(directoryPath, item), 'utf-8');
parsedFiles.push(fileExtension == '.json' ? json5.parse(file) : file);
}
catch {
// skip
}
});
return parsedFiles;
}
function sortByModifiedDate(directory) {
return (a, b) => +(new Date(fs.statSync(`${directory}/${b}`).mtime)) - +(new Date(fs.statSync(`${directory}/${a}`).mtime));
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}
function sortByName(_) {
return (a, b) => a.localeCompare(b);
}
function readPresetsFromDirectory(directoryPath, options = {}) {
const {
sortFunction,
removeFileExtension = false
} = options;
const files = fs.readdirSync(directoryPath).sort(sortFunction);
const fileContents = [];
const fileNames = [];
files.forEach(item => {
try {
const file = fs.readFileSync(path.join(directoryPath, item), 'utf8');
json5.parse(file);
fileContents.push(file);
fileNames.push(removeFileExtension ? item.replace(/\.[^/.]+$/, '') : item);
} catch {
// skip
console.log(`${item} is not a valid JSON`);
}
});
return { fileContents, fileNames };
}
// Wintermute's code
app.post('/getsettings', jsonParser, (request, response) => {
let settings
try {
settings = fs.readFileSync('public/settings.json', 'utf8');
} catch (e) {
return response.sendStatus(500);
}
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// NovelAI Settings
const { fileContents: novelai_settings, fileNames: novelai_setting_names }
= readPresetsFromDirectory(DIRECTORIES.novelAI_Settings, {
sortFunction: sortByName(DIRECTORIES.novelAI_Settings),
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removeFileExtension: true
});
// OpenAI Settings
const { fileContents: openai_settings, fileNames: openai_setting_names }
= readPresetsFromDirectory(DIRECTORIES.openAI_Settings, {
sortFunction: sortByModifiedDate(DIRECTORIES.openAI_Settings), removeFileExtension: true
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});
// TextGenerationWebUI Settings
const { fileContents: textgenerationwebui_presets, fileNames: textgenerationwebui_preset_names }
= readPresetsFromDirectory(DIRECTORIES.textGen_Settings, {
sortFunction: sortByName(DIRECTORIES.textGen_Settings), removeFileExtension: true
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});
//Kobold
const { fileContents: koboldai_settings, fileNames: koboldai_setting_names }
= readPresetsFromDirectory(DIRECTORIES.koboldAI_Settings, {
sortFunction: sortByName(DIRECTORIES.koboldAI_Settings), removeFileExtension: true
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})
const worldFiles = fs
.readdirSync(DIRECTORIES.worlds)
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.filter(file => path.extname(file).toLowerCase() === '.json')
.sort((a, b) => a.localeCompare(b));
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const world_names = worldFiles.map(item => path.parse(item).name);
const themes = readAndParseFromDirectory(DIRECTORIES.themes);
const movingUIPresets = readAndParseFromDirectory(DIRECTORIES.movingUI);
const quickReplyPresets = readAndParseFromDirectory(DIRECTORIES.quickreplies);
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const instruct = readAndParseFromDirectory(DIRECTORIES.instruct);
const context = readAndParseFromDirectory(DIRECTORIES.context);
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response.send({
settings,
koboldai_settings,
koboldai_setting_names,
world_names,
novelai_settings,
novelai_setting_names,
openai_settings,
openai_setting_names,
textgenerationwebui_presets,
textgenerationwebui_preset_names,
themes,
movingUIPresets,
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quickReplyPresets,
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instruct,
context,
enable_extensions: enableExtensions,
});
});
app.post('/getworldinfo', jsonParser, (request, response) => {
if (!request.body?.name) {
return response.sendStatus(400);
}
const file = readWorldInfoFile(request.body.name);
return response.send(file);
});
app.post('/deleteworldinfo', jsonParser, (request, response) => {
if (!request.body?.name) {
return response.sendStatus(400);
}
const worldInfoName = request.body.name;
const filename = sanitize(`${worldInfoName}.json`);
const pathToWorldInfo = path.join(DIRECTORIES.worlds, filename);
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if (!fs.existsSync(pathToWorldInfo)) {
throw new Error(`World info file ${filename} doesn't exist.`);
}
fs.rmSync(pathToWorldInfo);
return response.sendStatus(200);
});
app.post('/savetheme', jsonParser, (request, response) => {
if (!request.body || !request.body.name) {
return response.sendStatus(400);
}
const filename = path.join(DIRECTORIES.themes, sanitize(request.body.name) + '.json');
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writeFileAtomicSync(filename, JSON.stringify(request.body, null, 4), 'utf8');
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return response.sendStatus(200);
});
app.post('/savemovingui', jsonParser, (request, response) => {
if (!request.body || !request.body.name) {
return response.sendStatus(400);
}
const filename = path.join(DIRECTORIES.movingUI, sanitize(request.body.name) + '.json');
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writeFileAtomicSync(filename, JSON.stringify(request.body, null, 4), 'utf8');
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return response.sendStatus(200);
});
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app.post('/savequickreply', jsonParser, (request, response) => {
if (!request.body || !request.body.name) {
return response.sendStatus(400);
}
const filename = path.join(DIRECTORIES.quickreplies, sanitize(request.body.name) + '.json');
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writeFileAtomicSync(filename, JSON.stringify(request.body, null, 4), 'utf8');
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return response.sendStatus(200);
});
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/**
* @param {string} name Name of World Info file
* @param {object} entries Entries object
*/
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function convertWorldInfoToCharacterBook(name, entries) {
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/** @type {{ entries: object[]; name: string }} */
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const result = { entries: [], name };
for (const index in entries) {
const entry = entries[index];
const originalEntry = {
id: entry.uid,
keys: entry.key,
secondary_keys: entry.keysecondary,
comment: entry.comment,
content: entry.content,
constant: entry.constant,
selective: entry.selective,
insertion_order: entry.order,
enabled: !entry.disable,
position: entry.position == 0 ? 'before_char' : 'after_char',
extensions: {
position: entry.position,
exclude_recursion: entry.excludeRecursion,
display_index: entry.displayIndex,
probability: entry.probability ?? null,
useProbability: entry.useProbability ?? false,
}
};
result.entries.push(originalEntry);
}
return result;
}
function readWorldInfoFile(worldInfoName) {
if (!worldInfoName) {
return { entries: {} };
}
const filename = `${worldInfoName}.json`;
const pathToWorldInfo = path.join(DIRECTORIES.worlds, filename);
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if (!fs.existsSync(pathToWorldInfo)) {
throw new Error(`World info file ${filename} doesn't exist.`);
}
const worldInfoText = fs.readFileSync(pathToWorldInfo, 'utf8');
const worldInfo = json5.parse(worldInfoText);
return worldInfo;
}
function getImages(path) {
return fs
.readdirSync(path)
.filter(file => {
const type = mime.lookup(file);
return type && type.startsWith('image/');
})
.sort(Intl.Collator().compare);
}
app.post("/getallchatsofcharacter", jsonParser, function (request, response) {
if (!request.body) return response.sendStatus(400);
var char_dir = (request.body.avatar_url).replace('.png', '')
fs.readdir(chatsPath + char_dir, (err, files) => {
if (err) {
console.log('found error in history loading');
console.error(err);
response.send({ error: true });
return;
}
// filter for JSON files
const jsonFiles = files.filter(file => path.extname(file) === '.jsonl');
// sort the files by name
//jsonFiles.sort().reverse();
// print the sorted file names
var chatData = {};
let ii = jsonFiles.length; //this is the number of files belonging to the character
if (ii !== 0) {
//console.log('found '+ii+' chat logs to load');
for (let i = jsonFiles.length - 1; i >= 0; i--) {
const file = jsonFiles[i];
const fileStream = fs.createReadStream(chatsPath + char_dir + '/' + file);
const fullPathAndFile = chatsPath + char_dir + '/' + file
const stats = fs.statSync(fullPathAndFile);
const fileSizeInKB = (stats.size / 1024).toFixed(2) + "kb";
//console.log(fileSizeInKB);
const rl = readline.createInterface({
input: fileStream,
crlfDelay: Infinity
});
let lastLine;
let itemCounter = 0;
rl.on('line', (line) => {
itemCounter++;
lastLine = line;
});
rl.on('close', () => {
ii--;
if (lastLine) {
let jsonData = tryParse(lastLine);
if (jsonData && (jsonData.name !== undefined || jsonData.character_name !== undefined)) {
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chatData[i] = {};
chatData[i]['file_name'] = file;
chatData[i]['file_size'] = fileSizeInKB;
chatData[i]['chat_items'] = itemCounter - 1;
chatData[i]['mes'] = jsonData['mes'] || '[The chat is empty]';
chatData[i]['last_mes'] = jsonData['send_date'] || Date.now();
} else {
console.log('Found an invalid or corrupted chat file: ' + fullPathAndFile);
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}
}
if (ii === 0) {
//console.log('ii count went to zero, responding with chatData');
response.send(chatData);
}
//console.log('successfully closing getallchatsofcharacter');
rl.close();
});
};
} else {
//console.log('Found No Chats. Exiting Load Routine.');
response.send({ error: true });
};
})
});
function getPngName(file) {
let i = 1;
let base_name = file;
while (fs.existsSync(charactersPath + file + '.png')) {
file = base_name + i;
i++;
}
return file;
}
app.post("/importcharacter", urlencodedParser, async function (request, response) {
if (!request.body || request.file === undefined) return response.sendStatus(400);
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let png_name = '';
let filedata = request.file;
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let uploadPath = path.join(UPLOADS_PATH, filedata.filename);
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var format = request.body.file_type;
const defaultAvatarPath = './public/img/ai4.png';
const { importRisuSprites } = require('./src/sprites');
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//console.log(format);
if (filedata) {
if (format == 'json') {
fs.readFile(uploadPath, 'utf8', async (err, data) => {
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fs.unlinkSync(uploadPath);
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if (err) {
console.log(err);
response.send({ error: true });
}
let jsonData = json5.parse(data);
if (jsonData.spec !== undefined) {
console.log('importing from v2 json');
importRisuSprites(jsonData);
unsetFavFlag(jsonData);
jsonData = readFromV2(jsonData);
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jsonData["create_date"] = humanizedISO8601DateTime();
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png_name = getPngName(jsonData.data?.name || jsonData.name);
let char = JSON.stringify(jsonData);
charaWrite(defaultAvatarPath, char, png_name, response, { file_name: png_name });
} else if (jsonData.name !== undefined) {
console.log('importing from v1 json');
jsonData.name = sanitize(jsonData.name);
if (jsonData.creator_notes) {
jsonData.creator_notes = jsonData.creator_notes.replace("Creator's notes go here.", "");
}
png_name = getPngName(jsonData.name);
let char = {
"name": jsonData.name,
"description": jsonData.description ?? '',
"creatorcomment": jsonData.creatorcomment ?? jsonData.creator_notes ?? '',
"personality": jsonData.personality ?? '',
"first_mes": jsonData.first_mes ?? '',
"avatar": 'none',
"chat": jsonData.name + " - " + humanizedISO8601DateTime(),
"mes_example": jsonData.mes_example ?? '',
"scenario": jsonData.scenario ?? '',
"create_date": humanizedISO8601DateTime(),
"talkativeness": jsonData.talkativeness ?? 0.5,
"creator": jsonData.creator ?? '',
"tags": jsonData.tags ?? '',
};
char = convertToV2(char);
let charJSON = JSON.stringify(char);
charaWrite(defaultAvatarPath, charJSON, png_name, response, { file_name: png_name });
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} else if (jsonData.char_name !== undefined) {//json Pygmalion notepad
console.log('importing from gradio json');
jsonData.char_name = sanitize(jsonData.char_name);
if (jsonData.creator_notes) {
jsonData.creator_notes = jsonData.creator_notes.replace("Creator's notes go here.", "");
}
png_name = getPngName(jsonData.char_name);
let char = {
"name": jsonData.char_name,
"description": jsonData.char_persona ?? '',
"creatorcomment": jsonData.creatorcomment ?? jsonData.creator_notes ?? '',
"personality": '',
"first_mes": jsonData.char_greeting ?? '',
"avatar": 'none',
"chat": jsonData.name + " - " + humanizedISO8601DateTime(),
"mes_example": jsonData.example_dialogue ?? '',
"scenario": jsonData.world_scenario ?? '',
"create_date": humanizedISO8601DateTime(),
"talkativeness": jsonData.talkativeness ?? 0.5,
"creator": jsonData.creator ?? '',
"tags": jsonData.tags ?? '',
};
char = convertToV2(char);
let charJSON = JSON.stringify(char);
charaWrite(defaultAvatarPath, charJSON, png_name, response, { file_name: png_name });
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} else {
console.log('Incorrect character format .json');
response.send({ error: true });
}
});
} else {
try {
var img_data = await charaRead(uploadPath, format);
if (img_data === undefined) throw new Error('Failed to read character data');
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let jsonData = json5.parse(img_data);
jsonData.name = sanitize(jsonData.data?.name || jsonData.name);
png_name = getPngName(jsonData.name);
if (jsonData.spec !== undefined) {
console.log('Found a v2 character file.');
importRisuSprites(jsonData);
unsetFavFlag(jsonData);
jsonData = readFromV2(jsonData);
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jsonData["create_date"] = humanizedISO8601DateTime();
const char = JSON.stringify(jsonData);
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await charaWrite(uploadPath, char, png_name, response, { file_name: png_name });
fs.unlinkSync(uploadPath);
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} else if (jsonData.name !== undefined) {
console.log('Found a v1 character file.');
if (jsonData.creator_notes) {
jsonData.creator_notes = jsonData.creator_notes.replace("Creator's notes go here.", "");
}
let char = {
"name": jsonData.name,
"description": jsonData.description ?? '',
"creatorcomment": jsonData.creatorcomment ?? jsonData.creator_notes ?? '',
"personality": jsonData.personality ?? '',
"first_mes": jsonData.first_mes ?? '',
"avatar": 'none',
"chat": jsonData.name + " - " + humanizedISO8601DateTime(),
"mes_example": jsonData.mes_example ?? '',
"scenario": jsonData.scenario ?? '',
"create_date": humanizedISO8601DateTime(),
"talkativeness": jsonData.talkativeness ?? 0.5,
"creator": jsonData.creator ?? '',
"tags": jsonData.tags ?? '',
};
char = convertToV2(char);
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const charJSON = JSON.stringify(char);
await charaWrite(uploadPath, charJSON, png_name, response, { file_name: png_name });
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fs.unlinkSync(uploadPath);
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} else {
console.log('Unknown character card format');
response.send({ error: true });
}
} catch (err) {
console.log(err);
response.send({ error: true });
}
}
}
});
app.post("/dupecharacter", jsonParser, async function (request, response) {
try {
if (!request.body.avatar_url) {
console.log("avatar URL not found in request body");
console.log(request.body);
return response.sendStatus(400);
}
let filename = path.join(DIRECTORIES.characters, sanitize(request.body.avatar_url));
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if (!fs.existsSync(filename)) {
console.log('file for dupe not found');
console.log(filename);
return response.sendStatus(404);
}
let suffix = 1;
let newFilename = filename;
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// If filename ends with a _number, increment the number
const nameParts = path.basename(filename, path.extname(filename)).split('_');
const lastPart = nameParts[nameParts.length - 1];
let baseName;
if (!isNaN(Number(lastPart)) && nameParts.length > 1) {
suffix = parseInt(lastPart) + 1;
baseName = nameParts.slice(0, -1).join("_"); // construct baseName without suffix
} else {
baseName = nameParts.join("_"); // original filename is completely the baseName
}
newFilename = path.join(DIRECTORIES.characters, `${baseName}_${suffix}${path.extname(filename)}`);
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while (fs.existsSync(newFilename)) {
let suffixStr = "_" + suffix;
newFilename = path.join(DIRECTORIES.characters, `${baseName}${suffixStr}${path.extname(filename)}`);
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suffix++;
}
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fs.copyFileSync(filename, newFilename);
console.log(`${filename} was copied to ${newFilename}`);
response.sendStatus(200);
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}
catch (error) {
console.error(error);
return response.send({ error: true });
}
});
app.post("/exportchat", jsonParser, async function (request, response) {
if (!request.body.file || (!request.body.avatar_url && request.body.is_group === false)) {
return response.sendStatus(400);
}
const pathToFolder = request.body.is_group
? DIRECTORIES.groupChats
: path.join(DIRECTORIES.chats, String(request.body.avatar_url).replace('.png', ''));
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let filename = path.join(pathToFolder, request.body.file);
let exportfilename = request.body.exportfilename
if (!fs.existsSync(filename)) {
const errorMessage = {
message: `Could not find JSONL file to export. Source chat file: ${filename}.`
}
console.log(errorMessage.message);
return response.status(404).json(errorMessage);
}
try {
// Short path for JSONL files
if (request.body.format == 'jsonl') {
try {
const rawFile = fs.readFileSync(filename, 'utf8');
const successMessage = {
message: `Chat saved to ${exportfilename}`,
result: rawFile,
}
console.log(`Chat exported as ${exportfilename}`);
return response.status(200).json(successMessage);
}
catch (err) {
console.error(err);
const errorMessage = {
message: `Could not read JSONL file to export. Source chat file: ${filename}.`
}
console.log(errorMessage.message);
return response.status(500).json(errorMessage);
}
}
const readStream = fs.createReadStream(filename);
const rl = readline.createInterface({
input: readStream,
});
let buffer = '';
rl.on('line', (line) => {
const data = JSON.parse(line);
if (data.mes) {
const name = data.name;
const message = (data?.extra?.display_text || data?.mes || '').replace(/\r?\n/g, '\n');
buffer += (`${name}: ${message}\n\n`);
}
});
rl.on('close', () => {
const successMessage = {
message: `Chat saved to ${exportfilename}`,
result: buffer,
}
console.log(`Chat exported as ${exportfilename}`);
return response.status(200).json(successMessage);
});
}
catch (err) {
console.log("chat export failed.")
console.log(err);
return response.sendStatus(400);
}
})
app.post("/exportcharacter", jsonParser, async function (request, response) {
if (!request.body.format || !request.body.avatar_url) {
return response.sendStatus(400);
}
let filename = path.join(DIRECTORIES.characters, sanitize(request.body.avatar_url));
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if (!fs.existsSync(filename)) {
return response.sendStatus(404);
}
switch (request.body.format) {
case 'png':
return response.sendFile(filename, { root: process.cwd() });
case 'json': {
try {
let json = await charaRead(filename);
if (json === undefined) return response.sendStatus(400);
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let jsonObject = getCharaCardV2(json5.parse(json));
return response.type('json').send(jsonObject)
}
catch {
return response.sendStatus(400);
}
}
}
return response.sendStatus(400);
});
app.post("/importgroupchat", urlencodedParser, function (request, response) {
try {
const filedata = request.file;
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if (!filedata) {
return response.sendStatus(400);
}
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const chatname = humanizedISO8601DateTime();
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const pathToUpload = path.join(UPLOADS_PATH, filedata.filename);
const pathToNewFile = path.join(DIRECTORIES.groupChats, `${chatname}.jsonl`);
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fs.copyFileSync(pathToUpload, pathToNewFile);
fs.unlinkSync(pathToUpload);
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return response.send({ res: chatname });
} catch (error) {
console.error(error);
return response.send({ error: true });
}
});
app.post("/importchat", urlencodedParser, function (request, response) {
if (!request.body) return response.sendStatus(400);
var format = request.body.file_type;
let filedata = request.file;
let avatar_url = (request.body.avatar_url).replace('.png', '');
let ch_name = request.body.character_name;
let user_name = request.body.user_name || 'You';
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if (!filedata) {
return response.sendStatus(400);
}
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try {
const data = fs.readFileSync(path.join(UPLOADS_PATH, filedata.filename), 'utf8');
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if (format === 'json') {
const jsonData = json5.parse(data);
if (jsonData.histories !== undefined) {
//console.log('/importchat confirms JSON histories are defined');
const chat = {
from(history) {
return [
{
user_name: user_name,
character_name: ch_name,
create_date: humanizedISO8601DateTime(),
},
...history.msgs.map(
(message) => ({
name: message.src.is_human ? user_name : ch_name,
is_user: message.src.is_human,
send_date: humanizedISO8601DateTime(),
mes: message.text,
})
)];
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}
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}
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const newChats = [];
(jsonData.histories.histories ?? []).forEach((history) => {
newChats.push(chat.from(history));
});
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const errors = [];
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for (const chat of newChats) {
const filePath = `${chatsPath + avatar_url}/${ch_name} - ${humanizedISO8601DateTime()} imported.jsonl`;
const fileContent = chat.map(tryParse).filter(x => x).join('\n');
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try {
writeFileAtomicSync(filePath, fileContent, 'utf8');
} catch (err) {
errors.push(err);
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}
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}
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if (0 < errors.length) {
response.send('Errors occurred while writing character files. Errors: ' + JSON.stringify(errors));
}
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response.send({ res: true });
} else if (Array.isArray(jsonData.data_visible)) {
// oobabooga's format
/** @type {object[]} */
const chat = [{
user_name: user_name,
character_name: ch_name,
create_date: humanizedISO8601DateTime(),
}];
for (const arr of jsonData.data_visible) {
if (arr[0]) {
const userMessage = {
name: user_name,
is_user: true,
send_date: humanizedISO8601DateTime(),
mes: arr[0],
};
chat.push(userMessage);
}
if (arr[1]) {
const charMessage = {
name: ch_name,
is_user: false,
send_date: humanizedISO8601DateTime(),
mes: arr[1],
};
chat.push(charMessage);
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}
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}
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const chatContent = chat.map(obj => JSON.stringify(obj)).join('\n');
writeFileAtomicSync(`${chatsPath + avatar_url}/${ch_name} - ${humanizedISO8601DateTime()} imported.jsonl`, chatContent, 'utf8');
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response.send({ res: true });
} else {
console.log('Incorrect chat format .json');
return response.send({ error: true });
}
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}
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if (format === 'jsonl') {
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const line = data.split('\n')[0];
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let jsonData = json5.parse(line);
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if (jsonData.user_name !== undefined || jsonData.name !== undefined) {
fs.copyFileSync(path.join(UPLOADS_PATH, filedata.filename), (`${chatsPath + avatar_url}/${ch_name} - ${humanizedISO8601DateTime()}.jsonl`));
response.send({ res: true });
} else {
console.log('Incorrect chat format .jsonl');
return response.send({ error: true });
}
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}
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} catch (error) {
console.error(error);
return response.send({ error: true });
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}
});
app.post('/importworldinfo', urlencodedParser, (request, response) => {
if (!request.file) return response.sendStatus(400);
const filename = `${path.parse(sanitize(request.file.originalname)).name}.json`;
let fileContents = null;
if (request.body.convertedData) {
fileContents = request.body.convertedData;
} else {
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const pathToUpload = path.join(UPLOADS_PATH, request.file.filename);
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fileContents = fs.readFileSync(pathToUpload, 'utf8');
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fs.unlinkSync(pathToUpload);
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}
try {
const worldContent = json5.parse(fileContents);
if (!('entries' in worldContent)) {
throw new Error('File must contain a world info entries list');
}
} catch (err) {
return response.status(400).send('Is not a valid world info file');
}
const pathToNewFile = path.join(DIRECTORIES.worlds, filename);
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const worldName = path.parse(pathToNewFile).name;
if (!worldName) {
return response.status(400).send('World file must have a name');
}
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writeFileAtomicSync(pathToNewFile, fileContents);
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return response.send({ name: worldName });
});
app.post('/editworldinfo', jsonParser, (request, response) => {
if (!request.body) {
return response.sendStatus(400);
}
if (!request.body.name) {
return response.status(400).send('World file must have a name');
}
try {
if (!('entries' in request.body.data)) {
throw new Error('World info must contain an entries list');
}
} catch (err) {
return response.status(400).send('Is not a valid world info file');
}
const filename = `${sanitize(request.body.name)}.json`;
const pathToFile = path.join(DIRECTORIES.worlds, filename);
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writeFileAtomicSync(pathToFile, JSON.stringify(request.body.data, null, 4));
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return response.send({ ok: true });
});
app.post('/uploaduseravatar', urlencodedParser, async (request, response) => {
if (!request.file) return response.sendStatus(400);
try {
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const pathToUpload = path.join(UPLOADS_PATH, request.file.filename);
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const crop = tryParse(request.query.crop);
let rawImg = await jimp.read(pathToUpload);
if (typeof crop == 'object' && [crop.x, crop.y, crop.width, crop.height].every(x => typeof x === 'number')) {
rawImg = rawImg.crop(crop.x, crop.y, crop.width, crop.height);
}
const image = await rawImg.cover(AVATAR_WIDTH, AVATAR_HEIGHT).getBufferAsync(jimp.MIME_PNG);
const filename = request.body.overwrite_name || `${Date.now()}.png`;
const pathToNewFile = path.join(DIRECTORIES.avatars, filename);
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writeFileAtomicSync(pathToNewFile, image);
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fs.rmSync(pathToUpload);
return response.send({ path: filename });
} catch (err) {
return response.status(400).send('Is not a valid image');
}
});
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/**
* Ensure the directory for the provided file path exists.
* If not, it will recursively create the directory.
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*
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* @param {string} filePath - The full path of the file for which the directory should be ensured.
*/
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function ensureDirectoryExistence(filePath) {
const dirname = path.dirname(filePath);
if (fs.existsSync(dirname)) {
return true;
}
ensureDirectoryExistence(dirname);
fs.mkdirSync(dirname);
}
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/**
* Endpoint to handle image uploads.
* The image should be provided in the request body in base64 format.
* Optionally, a character name can be provided to save the image in a sub-folder.
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*
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* @route POST /uploadimage
* @param {Object} request.body - The request payload.
* @param {string} request.body.image - The base64 encoded image data.
* @param {string} [request.body.ch_name] - Optional character name to determine the sub-directory.
* @returns {Object} response - The response object containing the path where the image was saved.
*/
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app.post('/uploadimage', jsonParser, async (request, response) => {
// Check for image data
if (!request.body || !request.body.image) {
return response.status(400).send({ error: "No image data provided" });
}
// Extracting the base64 data and the image format
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const match = request.body.image.match(/^data:image\/(png|jpg|webp|jpeg|gif);base64,(.+)$/);
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if (!match) {
return response.status(400).send({ error: "Invalid image format" });
}
const [, format, base64Data] = match;
// Constructing filename and path
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let filename = `${Date.now()}.${format}`;
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if (request.body.filename) {
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filename = `${request.body.filename}.${format}`;
}
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// if character is defined, save to a sub folder for that character
let pathToNewFile = path.join(DIRECTORIES.userImages, filename);
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if (request.body.ch_name) {
pathToNewFile = path.join(DIRECTORIES.userImages, request.body.ch_name, filename);
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}
try {
ensureDirectoryExistence(pathToNewFile);
const imageBuffer = Buffer.from(base64Data, 'base64');
await fs.promises.writeFile(pathToNewFile, imageBuffer);
// send the path to the image, relative to the client folder, which means removing the first folder from the path which is 'public'
pathToNewFile = pathToNewFile.split(path.sep).slice(1).join(path.sep);
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response.send({ path: pathToNewFile });
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} catch (error) {
console.log(error);
response.status(500).send({ error: "Failed to save the image" });
}
});
app.post('/listimgfiles/:folder', (req, res) => {
const directoryPath = path.join(process.cwd(), 'public/user/images/', sanitize(req.params.folder));
if (!fs.existsSync(directoryPath)) {
fs.mkdirSync(directoryPath, { recursive: true });
}
try {
const images = getImages(directoryPath);
return res.send(images);
} catch (error) {
console.error(error);
return res.status(500).send({ error: "Unable to retrieve files" });
}
});
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app.post('/getgroups', jsonParser, (_, response) => {
const groups = [];
if (!fs.existsSync(DIRECTORIES.groups)) {
fs.mkdirSync(DIRECTORIES.groups);
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}
const files = fs.readdirSync(DIRECTORIES.groups).filter(x => path.extname(x) === '.json');
const chats = fs.readdirSync(DIRECTORIES.groupChats).filter(x => path.extname(x) === '.jsonl');
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files.forEach(function (file) {
try {
const filePath = path.join(DIRECTORIES.groups, file);
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const fileContents = fs.readFileSync(filePath, 'utf8');
const group = json5.parse(fileContents);
const groupStat = fs.statSync(filePath);
group['date_added'] = groupStat.birthtimeMs;
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group['create_date'] = humanizedISO8601DateTime(groupStat.birthtimeMs);
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let chat_size = 0;
let date_last_chat = 0;
if (Array.isArray(group.chats) && Array.isArray(chats)) {
for (const chat of chats) {
if (group.chats.includes(path.parse(chat).name)) {
const chatStat = fs.statSync(path.join(DIRECTORIES.groupChats, chat));
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chat_size += chatStat.size;
date_last_chat = Math.max(date_last_chat, chatStat.mtimeMs);
}
}
}
group['date_last_chat'] = date_last_chat;
group['chat_size'] = chat_size;
groups.push(group);
}
catch (error) {
console.error(error);
}
});
return response.send(groups);
});
app.post('/creategroup', jsonParser, (request, response) => {
if (!request.body) {
return response.sendStatus(400);
}
const id = String(Date.now());
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const groupMetadata = {
id: id,
name: request.body.name ?? 'New Group',
members: request.body.members ?? [],
avatar_url: request.body.avatar_url,
allow_self_responses: !!request.body.allow_self_responses,
activation_strategy: request.body.activation_strategy ?? 0,
disabled_members: request.body.disabled_members ?? [],
chat_metadata: request.body.chat_metadata ?? {},
fav: request.body.fav,
chat_id: request.body.chat_id ?? id,
chats: request.body.chats ?? [id],
};
const pathToFile = path.join(DIRECTORIES.groups, `${id}.json`);
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const fileData = JSON.stringify(groupMetadata);
if (!fs.existsSync(DIRECTORIES.groups)) {
fs.mkdirSync(DIRECTORIES.groups);
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}
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writeFileAtomicSync(pathToFile, fileData);
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return response.send(groupMetadata);
});
app.post('/editgroup', jsonParser, (request, response) => {
if (!request.body || !request.body.id) {
return response.sendStatus(400);
}
const id = request.body.id;
const pathToFile = path.join(DIRECTORIES.groups, `${id}.json`);
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const fileData = JSON.stringify(request.body);
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writeFileAtomicSync(pathToFile, fileData);
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return response.send({ ok: true });
});
app.post('/getgroupchat', jsonParser, (request, response) => {
if (!request.body || !request.body.id) {
return response.sendStatus(400);
}
const id = request.body.id;
const pathToFile = path.join(DIRECTORIES.groupChats, `${id}.jsonl`);
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if (fs.existsSync(pathToFile)) {
const data = fs.readFileSync(pathToFile, 'utf8');
const lines = data.split('\n');
// Iterate through the array of strings and parse each line as JSON
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const jsonData = lines.map(line => tryParse(line)).filter(x => x);
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return response.send(jsonData);
} else {
return response.send([]);
}
});
app.post('/deletegroupchat', jsonParser, (request, response) => {
if (!request.body || !request.body.id) {
return response.sendStatus(400);
}
const id = request.body.id;
const pathToFile = path.join(DIRECTORIES.groupChats, `${id}.jsonl`);
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if (fs.existsSync(pathToFile)) {
fs.rmSync(pathToFile);
return response.send({ ok: true });
}
return response.send({ error: true });
});
app.post('/savegroupchat', jsonParser, (request, response) => {
if (!request.body || !request.body.id) {
return response.sendStatus(400);
}
const id = request.body.id;
const pathToFile = path.join(DIRECTORIES.groupChats, `${id}.jsonl`);
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if (!fs.existsSync(DIRECTORIES.groupChats)) {
fs.mkdirSync(DIRECTORIES.groupChats);
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}
let chat_data = request.body.chat;
let jsonlData = chat_data.map(JSON.stringify).join('\n');
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writeFileAtomicSync(pathToFile, jsonlData, 'utf8');
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return response.send({ ok: true });
});
app.post('/deletegroup', jsonParser, async (request, response) => {
if (!request.body || !request.body.id) {
return response.sendStatus(400);
}
const id = request.body.id;
const pathToGroup = path.join(DIRECTORIES.groups, sanitize(`${id}.json`));
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try {
// Delete group chats
const group = json5.parse(fs.readFileSync(pathToGroup, 'utf8'));
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if (group && Array.isArray(group.chats)) {
for (const chat of group.chats) {
console.log('Deleting group chat', chat);
const pathToFile = path.join(DIRECTORIES.groupChats, `${id}.jsonl`);
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if (fs.existsSync(pathToFile)) {
fs.rmSync(pathToFile);
}
}
}
} catch (error) {
console.error('Could not delete group chats. Clean them up manually.', error);
}
if (fs.existsSync(pathToGroup)) {
fs.rmSync(pathToGroup);
}
return response.send({ ok: true });
});
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/**
* Gets the path to the sprites folder for the provided character name
* @param {string} name - The name of the character
* @param {boolean} isSubfolder - Whether the name contains a subfolder
* @returns {string | null} The path to the sprites folder. Null if the name is invalid.
*/
function getSpritesPath(name, isSubfolder) {
if (isSubfolder) {
const nameParts = name.split('/');
const characterName = sanitize(nameParts[0]);
const subfolderName = sanitize(nameParts[1]);
if (!characterName || !subfolderName) {
return null;
}
return path.join(DIRECTORIES.characters, characterName, subfolderName);
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}
name = sanitize(name);
if (!name) {
return null;
}
return path.join(DIRECTORIES.characters, name);
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}
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app.get('/get_sprites', jsonParser, function (request, response) {
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const name = String(request.query.name);
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const isSubfolder = name.includes('/');
const spritesPath = getSpritesPath(name, isSubfolder);
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let sprites = [];
try {
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if (spritesPath && fs.existsSync(spritesPath) && fs.statSync(spritesPath).isDirectory()) {
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sprites = fs.readdirSync(spritesPath)
.filter(file => {
const mimeType = mime.lookup(file);
return mimeType && mimeType.startsWith('image/');
})
.map((file) => {
const pathToSprite = path.join(spritesPath, file);
return {
label: path.parse(pathToSprite).name.toLowerCase(),
path: `/characters/${name}/${file}`,
};
});
}
}
catch (err) {
console.log(err);
}
finally {
return response.send(sprites);
}
});
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function cleanUploads() {
try {
if (fs.existsSync(UPLOADS_PATH)) {
const uploads = fs.readdirSync(UPLOADS_PATH);
if (!uploads.length) {
return;
}
console.debug(`Cleaning uploads folder (${uploads.length} files)`);
uploads.forEach(file => {
const pathToFile = path.join(UPLOADS_PATH, file);
fs.unlinkSync(pathToFile);
});
}
} catch (err) {
console.error(err);
}
}
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/* OpenAI */
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app.post("/getstatus_openai", jsonParser, async function (request, response_getstatus_openai) {
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if (!request.body) return response_getstatus_openai.sendStatus(400);
let api_url;
let api_key_openai;
let headers;
if (request.body.use_openrouter == false) {
api_url = new URL(request.body.reverse_proxy || API_OPENAI).toString();
api_key_openai = request.body.reverse_proxy ? request.body.proxy_password : readSecret(SECRET_KEYS.OPENAI);
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headers = {};
} else {
api_url = 'https://openrouter.ai/api/v1';
api_key_openai = readSecret(SECRET_KEYS.OPENROUTER);
// OpenRouter needs to pass the referer: https://openrouter.ai/docs
headers = { 'HTTP-Referer': request.headers.referer };
}
if (!api_key_openai && !request.body.reverse_proxy) {
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return response_getstatus_openai.status(401).send({ error: true });
}
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try {
const response = await fetch(api_url + "/models", {
method: 'GET',
headers: {
"Authorization": "Bearer " + api_key_openai,
...headers,
},
});
if (response.ok) {
const data = await response.json();
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response_getstatus_openai.send(data);
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if (request.body.use_openrouter) {
let models = [];
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data.data.forEach(model => {
const context_length = model.context_length;
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const tokens_dollar = Number(1 / (1000 * model.pricing.prompt));
const tokens_rounded = (Math.round(tokens_dollar * 1000) / 1000).toFixed(0);
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models[model.id] = {
tokens_per_dollar: tokens_rounded + 'k',
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context_length: context_length,
};
});
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console.log('Available OpenRouter models:', models);
} else {
const modelIds = data?.data?.map(x => x.id)?.sort();
console.log('Available OpenAI models:', modelIds);
}
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}
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else {
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console.log('Access Token is incorrect.');
response_getstatus_openai.send({ error: true });
}
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} catch (e) {
console.error(e);
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response_getstatus_openai.send({ error: true });
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}
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});
app.post("/openai_bias", jsonParser, async function (request, response) {
if (!request.body || !Array.isArray(request.body))
return response.sendStatus(400);
let result = {};
const model = getTokenizerModel(String(request.query.model || ''));
// no bias for claude
if (model == 'claude') {
return response.send(result);
}
const tokenizer = getTiktokenTokenizer(model);
for (const entry of request.body) {
if (!entry || !entry.text) {
continue;
}
try {
const tokens = tokenizer.encode(entry.text);
for (const token of tokens) {
result[token] = entry.value;
}
} catch {
console.warn('Tokenizer failed to encode:', entry.text);
}
}
// not needed for cached tokenizers
//tokenizer.free();
return response.send(result);
});
app.post("/deletepreset_openai", jsonParser, function (request, response) {
if (!request.body || !request.body.name) {
return response.sendStatus(400);
}
const name = request.body.name;
const pathToFile = path.join(DIRECTORIES.openAI_Settings, `${name}.settings`);
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if (fs.existsSync(pathToFile)) {
fs.rmSync(pathToFile);
return response.send({ ok: true });
}
return response.send({ error: true });
});
function convertChatMLPrompt(messages) {
const messageStrings = [];
messages.forEach(m => {
if (m.role === 'system' && m.name === undefined) {
messageStrings.push("System: " + m.content);
}
else if (m.role === 'system' && m.name !== undefined) {
messageStrings.push(m.name + ": " + m.content);
}
else {
messageStrings.push(m.role + ": " + m.content);
}
});
return messageStrings.join("\n");
}
// Prompt Conversion script taken from RisuAI by @kwaroran (GPLv3).
function convertClaudePrompt(messages, addHumanPrefix, addAssistantPostfix) {
// Claude doesn't support message names, so we'll just add them to the message content.
for (const message of messages) {
if (message.name && message.role !== "system") {
message.content = message.name + ": " + message.content;
delete message.name;
}
}
let requestPrompt = messages.map((v) => {
let prefix = '';
switch (v.role) {
case "assistant":
prefix = "\n\nAssistant: ";
break
case "user":
prefix = "\n\nHuman: ";
break
case "system":
// According to the Claude docs, H: and A: should be used for example conversations.
if (v.name === "example_assistant") {
prefix = "\n\nA: ";
} else if (v.name === "example_user") {
prefix = "\n\nH: ";
} else {
prefix = "\n\n";
}
break
}
return prefix + v.content;
}).join('');
if (addHumanPrefix) {
requestPrompt = "\n\nHuman: " + requestPrompt;
}
if (addAssistantPostfix) {
requestPrompt = requestPrompt + '\n\nAssistant: ';
}
return requestPrompt;
}
async function sendScaleRequest(request, response) {
const api_url = new URL(request.body.api_url_scale).toString();
const api_key_scale = readSecret(SECRET_KEYS.SCALE);
if (!api_key_scale) {
return response.status(401).send({ error: true });
}
const requestPrompt = convertChatMLPrompt(request.body.messages);
console.log('Scale request:', requestPrompt);
try {
const controller = new AbortController();
request.socket.removeAllListeners('close');
request.socket.on('close', function () {
controller.abort();
});
const generateResponse = await fetch(api_url, {
method: "POST",
body: JSON.stringify({ input: { input: requestPrompt } }),
headers: {
'Content-Type': 'application/json',
'Authorization': `Basic ${api_key_scale}`,
},
timeout: 0,
});
if (!generateResponse.ok) {
console.log(`Scale API returned error: ${generateResponse.status} ${generateResponse.statusText} ${await generateResponse.text()}`);
return response.status(generateResponse.status).send({ error: true });
}
const generateResponseJson = await generateResponse.json();
console.log('Scale response:', generateResponseJson);
const reply = { choices: [{ "message": { "content": generateResponseJson.output, } }] };
return response.send(reply);
} catch (error) {
console.log(error);
if (!response.headersSent) {
return response.status(500).send({ error: true });
}
}
}
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app.post("/generate_altscale", jsonParser, function (request, response_generate_scale) {
if (!request.body) return response_generate_scale.sendStatus(400);
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fetch('https://dashboard.scale.com/spellbook/api/trpc/v2.variant.run', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'cookie': `_jwt=${readSecret(SECRET_KEYS.SCALE_COOKIE)}`,
},
body: JSON.stringify({
json: {
variant: {
name: 'New Variant',
appId: '',
taxonomy: null
},
prompt: {
id: '',
template: '{{input}}\n',
exampleVariables: {},
variablesSourceDataId: null,
systemMessage: request.body.sysprompt
},
modelParameters: {
id: '',
modelId: 'GPT4',
modelType: 'OpenAi',
maxTokens: request.body.max_tokens,
temperature: request.body.temp,
stop: "user:",
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suffix: null,
topP: request.body.top_p,
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logprobs: null,
logitBias: request.body.logit_bias
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},
inputs: [
{
index: '-1',
valueByName: {
input: request.body.prompt
}
}
]
},
meta: {
values: {
'variant.taxonomy': ['undefined'],
'prompt.variablesSourceDataId': ['undefined'],
'modelParameters.suffix': ['undefined'],
'modelParameters.logprobs': ['undefined'],
}
}
})
})
.then(response => response.json())
.then(data => {
console.log(data.result.data.json.outputs[0])
return response_generate_scale.send({ output: data.result.data.json.outputs[0] });
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})
.catch((error) => {
console.error('Error:', error)
return response_generate_scale.send({ error: true })
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});
});
/**
* @param {express.Request} request
* @param {express.Response} response
*/
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async function sendClaudeRequest(request, response) {
const api_url = new URL(request.body.reverse_proxy || API_CLAUDE).toString();
const api_key_claude = request.body.reverse_proxy ? request.body.proxy_password : readSecret(SECRET_KEYS.CLAUDE);
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if (!api_key_claude) {
return response.status(401).send({ error: true });
}
try {
const controller = new AbortController();
request.socket.removeAllListeners('close');
request.socket.on('close', function () {
controller.abort();
});
let requestPrompt = convertClaudePrompt(request.body.messages, true, !request.body.exclude_assistant);
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if (request.body.assistant_prefill && !request.body.exclude_assistant) {
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requestPrompt += request.body.assistant_prefill;
}
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console.log('Claude request:', requestPrompt);
const stop_sequences = ["\n\nHuman:", "\n\nSystem:", "\n\nAssistant:"];
// Add custom stop sequences
if (Array.isArray(request.body.stop)) {
stop_sequences.push(...request.body.stop);
}
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const generateResponse = await fetch(api_url + '/complete', {
method: "POST",
signal: controller.signal,
body: JSON.stringify({
prompt: requestPrompt,
model: request.body.model,
max_tokens_to_sample: request.body.max_tokens,
stop_sequences: stop_sequences,
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temperature: request.body.temperature,
top_p: request.body.top_p,
top_k: request.body.top_k,
stream: request.body.stream,
}),
headers: {
"Content-Type": "application/json",
"anthropic-version": '2023-06-01',
"x-api-key": api_key_claude,
},
timeout: 0,
});
if (request.body.stream) {
// Pipe remote SSE stream to Express response
generateResponse.body.pipe(response);
request.socket.on('close', function () {
if (generateResponse.body instanceof Readable) generateResponse.body.destroy(); // Close the remote stream
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response.end(); // End the Express response
});
generateResponse.body.on('end', function () {
console.log("Streaming request finished");
response.end();
});
} else {
if (!generateResponse.ok) {
console.log(`Claude API returned error: ${generateResponse.status} ${generateResponse.statusText} ${await generateResponse.text()}`);
return response.status(generateResponse.status).send({ error: true });
}
const generateResponseJson = await generateResponse.json();
const responseText = generateResponseJson.completion;
console.log('Claude response:', responseText);
// Wrap it back to OAI format
const reply = { choices: [{ "message": { "content": responseText, } }] };
return response.send(reply);
}
} catch (error) {
console.log('Error communicating with Claude: ', error);
if (!response.headersSent) {
return response.status(500).send({ error: true });
}
}
}
app.post("/generate_openai", jsonParser, function (request, response_generate_openai) {
if (!request.body) return response_generate_openai.status(400).send({ error: true });
if (request.body.use_claude) {
return sendClaudeRequest(request, response_generate_openai);
}
if (request.body.use_scale) {
return sendScaleRequest(request, response_generate_openai);
}
if (request.body.use_ai21) {
return sendAI21Request(request, response_generate_openai);
}
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let api_url;
let api_key_openai;
let headers;
let bodyParams;
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if (!request.body.use_openrouter) {
api_url = new URL(request.body.reverse_proxy || API_OPENAI).toString();
api_key_openai = request.body.reverse_proxy ? request.body.proxy_password : readSecret(SECRET_KEYS.OPENAI);
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headers = {};
bodyParams = {};
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} else {
api_url = 'https://openrouter.ai/api/v1';
api_key_openai = readSecret(SECRET_KEYS.OPENROUTER);
// OpenRouter needs to pass the referer: https://openrouter.ai/docs
headers = { 'HTTP-Referer': request.headers.referer };
bodyParams = { 'transforms': ["middle-out"] };
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if (request.body.use_fallback) {
bodyParams['route'] = 'fallback';
}
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}
if (!api_key_openai && !request.body.reverse_proxy) {
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return response_generate_openai.status(401).send({ error: true });
}
// Add custom stop sequences
if (Array.isArray(request.body.stop) && request.body.stop.length > 0) {
bodyParams['stop'] = request.body.stop;
}
const isTextCompletion = Boolean(request.body.model && textCompletionModels.includes(request.body.model));
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const textPrompt = isTextCompletion ? convertChatMLPrompt(request.body.messages) : '';
const endpointUrl = isTextCompletion ? `${api_url}/completions` : `${api_url}/chat/completions`;
const controller = new AbortController();
request.socket.removeAllListeners('close');
request.socket.on('close', function () {
controller.abort();
});
/** @type {import('node-fetch').RequestInit} */
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const config = {
method: 'post',
headers: {
'Content-Type': 'application/json',
'Authorization': 'Bearer ' + api_key_openai,
...headers,
},
body: JSON.stringify({
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"messages": isTextCompletion === false ? request.body.messages : undefined,
"prompt": isTextCompletion === true ? textPrompt : undefined,
"model": request.body.model,
"temperature": request.body.temperature,
"max_tokens": request.body.max_tokens,
"stream": request.body.stream,
"presence_penalty": request.body.presence_penalty,
"frequency_penalty": request.body.frequency_penalty,
"top_p": request.body.top_p,
"top_k": request.body.top_k,
"stop": isTextCompletion === false ? request.body.stop : undefined,
"logit_bias": request.body.logit_bias,
...bodyParams,
}),
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signal: controller.signal,
timeout: 0,
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};
console.log(JSON.parse(String(config.body)));
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makeRequest(config, response_generate_openai, request);
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/**
*
* @param {*} config
* @param {express.Response} response_generate_openai
* @param {express.Request} request
* @param {Number} retries
* @param {Number} timeout
*/
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async function makeRequest(config, response_generate_openai, request, retries = 5, timeout = 5000) {
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try {
const fetchResponse = await fetch(endpointUrl, config)
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if (fetchResponse.ok) {
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if (request.body.stream) {
console.log('Streaming request in progress');
fetchResponse.body.pipe(response_generate_openai);
fetchResponse.body.on('end', () => {
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console.log('Streaming request finished');
response_generate_openai.end();
});
} else {
let json = await fetchResponse.json()
response_generate_openai.send(json);
console.log(json);
console.log(json?.choices[0]?.message);
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}
} else if (fetchResponse.status === 429 && retries > 0) {
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console.log(`Out of quota, retrying in ${Math.round(timeout / 1000)}s`);
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setTimeout(() => {
makeRequest(config, response_generate_openai, request, retries - 1);
}, timeout);
} else {
await handleErrorResponse(fetchResponse);
}
} catch (error) {
console.log('Generation failed', error);
if (!response_generate_openai.headersSent) {
response_generate_openai.send({ error: true });
} else {
response_generate_openai.end();
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}
}
}
async function handleErrorResponse(response) {
const responseText = await response.text();
const errorData = tryParse(responseText);
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const statusMessages = {
400: 'Bad request',
401: 'Unauthorized',
402: 'Credit limit reached',
403: 'Forbidden',
404: 'Not found',
429: 'Too many requests',
451: 'Unavailable for legal reasons',
502: 'Bad gateway',
};
const message = errorData?.error?.message || statusMessages[response.status] || 'Unknown error occurred';
const quota_error = response.status === 429 && errorData?.error?.type === 'insufficient_quota';
console.log(message);
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if (!response_generate_openai.headersSent) {
response_generate_openai.send({ error: { message }, quota_error: quota_error });
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} else if (!response_generate_openai.writableEnded) {
response_generate_openai.write(response);
} else {
response_generate_openai.end();
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}
}
});
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app.post("/tokenize_openai", jsonParser, function (request, response_tokenize_openai) {
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if (!request.body) return response_tokenize_openai.sendStatus(400);
let num_tokens = 0;
const model = getTokenizerModel(String(request.query.model || ''));
if (model == 'claude') {
num_tokens = countClaudeTokens(claude_tokenizer, request.body);
return response_tokenize_openai.send({ "token_count": num_tokens });
}
const tokensPerName = model.includes('gpt-4') ? 1 : -1;
const tokensPerMessage = model.includes('gpt-4') ? 3 : 4;
const tokensPadding = 3;
const tokenizer = getTiktokenTokenizer(model);
for (const msg of request.body) {
try {
num_tokens += tokensPerMessage;
for (const [key, value] of Object.entries(msg)) {
num_tokens += tokenizer.encode(value).length;
if (key == "name") {
num_tokens += tokensPerName;
}
}
} catch {
console.warn("Error tokenizing message:", msg);
}
}
num_tokens += tokensPadding;
// not needed for cached tokenizers
//tokenizer.free();
response_tokenize_openai.send({ "token_count": num_tokens });
});
async function sendAI21Request(request, response) {
if (!request.body) return response.sendStatus(400);
const controller = new AbortController();
console.log(request.body.messages)
request.socket.removeAllListeners('close');
request.socket.on('close', function () {
controller.abort();
});
const options = {
method: 'POST',
headers: {
accept: 'application/json',
'content-type': 'application/json',
Authorization: `Bearer ${readSecret(SECRET_KEYS.AI21)}`
},
body: JSON.stringify({
numResults: 1,
maxTokens: request.body.max_tokens,
minTokens: 0,
temperature: request.body.temperature,
topP: request.body.top_p,
stopSequences: request.body.stop_tokens,
topKReturn: request.body.top_k,
frequencyPenalty: {
scale: request.body.frequency_penalty * 100,
applyToWhitespaces: false,
applyToPunctuations: false,
applyToNumbers: false,
applyToStopwords: false,
applyToEmojis: false
},
presencePenalty: {
scale: request.body.presence_penalty,
applyToWhitespaces: false,
applyToPunctuations: false,
applyToNumbers: false,
applyToStopwords: false,
applyToEmojis: false
},
countPenalty: {
scale: request.body.count_pen,
applyToWhitespaces: false,
applyToPunctuations: false,
applyToNumbers: false,
applyToStopwords: false,
applyToEmojis: false
},
prompt: request.body.messages
}),
signal: controller.signal,
};
fetch(`https://api.ai21.com/studio/v1/${request.body.model}/complete`, options)
.then(r => r.json())
.then(r => {
if (r.completions === undefined) {
console.log(r)
} else {
console.log(r.completions[0].data.text)
}
const reply = { choices: [{ "message": { "content": r.completions[0].data.text, } }] };
return response.send(reply)
})
.catch(err => {
console.error(err)
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return response.send({ error: true })
});
}
app.post("/tokenize_ai21", jsonParser, async function (request, response_tokenize_ai21) {
if (!request.body) return response_tokenize_ai21.sendStatus(400);
const options = {
method: 'POST',
headers: {
accept: 'application/json',
'content-type': 'application/json',
Authorization: `Bearer ${readSecret(SECRET_KEYS.AI21)}`
},
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body: JSON.stringify({ text: request.body[0].content })
};
try {
const response = await fetch('https://api.ai21.com/studio/v1/tokenize', options);
const data = await response.json();
return response_tokenize_ai21.send({ "token_count": data?.tokens?.length || 0 });
} catch (err) {
console.error(err);
return response_tokenize_ai21.send({ "token_count": 0 });
}
});
app.post("/save_preset", jsonParser, function (request, response) {
const name = sanitize(request.body.name);
if (!request.body.preset || !name) {
return response.sendStatus(400);
}
const settings = getPresetSettingsByAPI(request.body.apiId);
const filename = name + settings.extension;
if (!settings.folder) {
return response.sendStatus(400);
}
const fullpath = path.join(settings.folder, filename);
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writeFileAtomicSync(fullpath, JSON.stringify(request.body.preset, null, 4), 'utf-8');
return response.send({ name });
});
app.post("/delete_preset", jsonParser, function (request, response) {
const name = sanitize(request.body.name);
if (!name) {
return response.sendStatus(400);
}
const settings = getPresetSettingsByAPI(request.body.apiId);
const filename = name + settings.extension;
if (!settings.folder) {
return response.sendStatus(400);
}
const fullpath = path.join(settings.folder, filename);
if (fs.existsSync(fullpath)) {
fs.unlinkSync(fullpath);
return response.sendStatus(200);
} else {
return response.sendStatus(404);
}
});
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app.post("/savepreset_openai", jsonParser, function (request, response) {
if (!request.body || typeof request.query.name !== 'string') return response.sendStatus(400);
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const name = sanitize(request.query.name);
if (!name) return response.sendStatus(400);
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const filename = `${name}.settings`;
const fullpath = path.join(DIRECTORIES.openAI_Settings, filename);
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writeFileAtomicSync(fullpath, JSON.stringify(request.body, null, 4), 'utf-8');
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return response.send({ name });
});
function getPresetSettingsByAPI(apiId) {
switch (apiId) {
case 'kobold':
case 'koboldhorde':
return { folder: DIRECTORIES.koboldAI_Settings, extension: '.settings' };
case 'novel':
return { folder: DIRECTORIES.novelAI_Settings, extension: '.settings' };
case 'textgenerationwebui':
return { folder: DIRECTORIES.textGen_Settings, extension: '.settings' };
case 'instruct':
return { folder: DIRECTORIES.instruct, extension: '.json' };
case 'context':
return { folder: DIRECTORIES.context, extension: '.json' };
default:
return { folder: null, extension: null };
}
}
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function createSentencepieceEncodingHandler(getTokenizerFn) {
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return async function (request, response) {
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try {
if (!request.body) {
return response.sendStatus(400);
}
const text = request.body.text || '';
const tokenizer = getTokenizerFn();
const { ids, count } = await countSentencepieceTokens(tokenizer, text);
return response.send({ ids, count });
} catch (error) {
console.log(error);
return response.send({ ids: [], count: 0 });
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}
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};
}
function createSentencepieceDecodingHandler(getTokenizerFn) {
return async function (request, response) {
try {
if (!request.body) {
return response.sendStatus(400);
}
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const ids = request.body.ids || [];
const tokenizer = getTokenizerFn();
const text = await tokenizer.decodeIds(ids);
return response.send({ text });
} catch (error) {
console.log(error);
return response.send({ text: '' });
}
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};
}
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function createTiktokenEncodingHandler(modelId) {
return async function (request, response) {
try {
if (!request.body) {
return response.sendStatus(400);
}
const text = request.body.text || '';
const tokenizer = getTiktokenTokenizer(modelId);
const tokens = Object.values(tokenizer.encode(text));
return response.send({ ids: tokens, count: tokens.length });
} catch (error) {
console.log(error);
return response.send({ ids: [], count: 0 });
}
}
}
function createTiktokenDecodingHandler(modelId) {
return async function (request, response) {
try {
if (!request.body) {
return response.sendStatus(400);
}
const ids = request.body.ids || [];
const tokenizer = getTiktokenTokenizer(modelId);
const textBytes = tokenizer.decode(new Uint32Array(ids));
const text = new TextDecoder().decode(textBytes);
return response.send({ text });
} catch (error) {
console.log(error);
return response.send({ text: '' });
}
}
}
app.post("/tokenize_llama", jsonParser, createSentencepieceEncodingHandler(() => spp_llama));
app.post("/tokenize_nerdstash", jsonParser, createSentencepieceEncodingHandler(() => spp_nerd));
app.post("/tokenize_nerdstash_v2", jsonParser, createSentencepieceEncodingHandler(() => spp_nerd_v2));
app.post("/tokenize_gpt2", jsonParser, createTiktokenEncodingHandler('gpt2'));
app.post("/decode_llama", jsonParser, createSentencepieceDecodingHandler(() => spp_llama));
app.post("/decode_nerdstash", jsonParser, createSentencepieceDecodingHandler(() => spp_nerd));
app.post("/decode_nerdstash_v2", jsonParser, createSentencepieceDecodingHandler(() => spp_nerd_v2));
app.post("/decode_gpt2", jsonParser, createTiktokenDecodingHandler('gpt2'));
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app.post("/tokenize_via_api", jsonParser, async function (request, response) {
if (!request.body) {
return response.sendStatus(400);
}
const text = request.body.text || '';
try {
const args = {
body: JSON.stringify({ "prompt": text }),
headers: { "Content-Type": "application/json" }
};
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if (main_api == 'textgenerationwebui') {
if (request.body.use_mancer) {
args.headers = Object.assign(args.headers, get_mancer_headers());
}
const data = await postAsync(api_server + "/v1/token-count", args);
return response.send({ count: data['results'][0]['tokens'] });
}
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else if (main_api == 'kobold') {
const data = await postAsync(api_server + "/extra/tokencount", args);
const count = data['value'];
return response.send({ count: count });
}
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else {
return response.send({ error: true });
}
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} catch (error) {
console.log(error);
return response.send({ error: true });
}
});
// ** REST CLIENT ASYNC WRAPPERS **
/**
* Convenience function for fetch requests (default GET) returning as JSON.
* @param {string} url
* @param {import('node-fetch').RequestInit} args
*/
async function fetchJSON(url, args = {}) {
if (args.method === undefined) args.method = 'GET';
const response = await fetch(url, args);
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if (response.ok) {
const data = await response.json();
return data;
}
throw response;
}
/**
* Convenience function for fetch requests (default POST with no timeout) returning as JSON.
* @param {string} url
* @param {import('node-fetch').RequestInit} args
*/
async function postAsync(url, args) { return fetchJSON(url, { method: 'POST', timeout: 0, ...args }) }
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// ** END **
// Secrets managemenet
require('./src/secrets').registerEndpoints(app, jsonParser);
// Thumbnail generation
require('./src/thumbnails').registerEndpoints(app, jsonParser);
// NovelAI generation
require('./src/novelai').registerEndpoints(app, jsonParser);
// Third-party extensions
require('./src/extensions').registerEndpoints(app, jsonParser);
// Asset management
require('./src/assets').registerEndpoints(app, jsonParser);
// Character sprite management
require('./src/sprites').registerEndpoints(app, jsonParser, urlencodedParser);
// Custom content management
require('./src/content-manager').registerEndpoints(app, jsonParser);
// Stable Diffusion generation
require('./src/stable-diffusion').registerEndpoints(app, jsonParser);
// LLM and SD Horde generation
require('./src/horde').registerEndpoints(app, jsonParser);
// Vector storage DB
require('./src/vectors').registerEndpoints(app, jsonParser);
// Chat translation
require('./src/translate').registerEndpoints(app, jsonParser);
// Emotion classification
require('./src/classify').registerEndpoints(app, jsonParser);
// Image captioning
require('./src/caption').registerEndpoints(app, jsonParser);
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const tavernUrl = new URL(
(cliArguments.ssl ? 'https://' : 'http://') +
(listen ? '0.0.0.0' : '127.0.0.1') +
(':' + server_port)
);
const autorunUrl = new URL(
(cliArguments.ssl ? 'https://' : 'http://') +
('127.0.0.1') +
(':' + server_port)
);
const setupTasks = async function () {
const version = getVersion();
console.log(`SillyTavern ${version.pkgVersion}` + (version.gitBranch ? ` '${version.gitBranch}' (${version.gitRevision})` : ''));
backupSettings();
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migrateSecrets(SETTINGS_FILE);
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ensurePublicDirectoriesExist();
await ensureThumbnailCache();
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contentManager.checkForNewContent();
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cleanUploads();
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[spp_llama, spp_nerd, spp_nerd_v2, claude_tokenizer] = await Promise.all([
loadSentencepieceTokenizer('src/sentencepiece/tokenizer.model'),
loadSentencepieceTokenizer('src/sentencepiece/nerdstash.model'),
loadSentencepieceTokenizer('src/sentencepiece/nerdstash_v2.model'),
loadClaudeTokenizer('src/claude.json'),
]);
await statsHelpers.loadStatsFile(DIRECTORIES.chats, DIRECTORIES.characters);
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// Set up event listeners for a graceful shutdown
process.on('SIGINT', statsHelpers.writeStatsToFileAndExit);
process.on('SIGTERM', statsHelpers.writeStatsToFileAndExit);
process.on('uncaughtException', (err) => {
console.error('Uncaught exception:', err);
statsHelpers.writeStatsToFileAndExit();
});
setInterval(statsHelpers.saveStatsToFile, 5 * 60 * 1000);
console.log('Launching...');
if (autorun) open(autorunUrl.toString());
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console.log(color.green('SillyTavern is listening on: ' + tavernUrl));
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if (listen) {
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console.log('\n0.0.0.0 means SillyTavern is listening on all network interfaces (Wi-Fi, LAN, localhost). If you want to limit it only to internal localhost (127.0.0.1), change the setting in config.conf to "listen=false". Check "access.log" file in the SillyTavern directory if you want to inspect incoming connections.\n');
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}
}
if (listen && !config.whitelistMode && !config.basicAuthMode) {
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if (config.securityOverride) {
console.warn(color.red("Security has been overridden. If it's not a trusted network, change the settings."));
}
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else {
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console.error(color.red('Your SillyTavern is currently unsecurely open to the public. Enable whitelisting or basic authentication.'));
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process.exit(1);
}
}
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if (true === cliArguments.ssl) {
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https.createServer(
{
cert: fs.readFileSync(cliArguments.certPath),
key: fs.readFileSync(cliArguments.keyPath)
}, app)
.listen(
Number(tavernUrl.port) || 443,
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tavernUrl.hostname,
setupTasks
);
} else {
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http.createServer(app).listen(
Number(tavernUrl.port) || 80,
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tavernUrl.hostname,
setupTasks
);
}
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function backupSettings() {
const MAX_BACKUPS = 25;
function generateTimestamp() {
const now = new Date();
const year = now.getFullYear();
const month = String(now.getMonth() + 1).padStart(2, '0');
const day = String(now.getDate()).padStart(2, '0');
const hours = String(now.getHours()).padStart(2, '0');
const minutes = String(now.getMinutes()).padStart(2, '0');
const seconds = String(now.getSeconds()).padStart(2, '0');
return `${year}${month}${day}-${hours}${minutes}${seconds}`;
}
try {
if (!fs.existsSync(DIRECTORIES.backups)) {
fs.mkdirSync(DIRECTORIES.backups);
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}
const backupFile = path.join(DIRECTORIES.backups, `settings_${generateTimestamp()}.json`);
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fs.copyFileSync(SETTINGS_FILE, backupFile);
let files = fs.readdirSync(DIRECTORIES.backups).filter(f => f.startsWith('settings_'));
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if (files.length > MAX_BACKUPS) {
files = files.map(f => path.join(DIRECTORIES.backups, f));
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files.sort((a, b) => fs.statSync(a).mtimeMs - fs.statSync(b).mtimeMs);
fs.rmSync(files[0]);
}
} catch (err) {
console.log('Could not backup settings file', err);
}
}
function ensurePublicDirectoriesExist() {
for (const dir of Object.values(DIRECTORIES)) {
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if (!fs.existsSync(dir)) {
fs.mkdirSync(dir, { recursive: true });
}
}
}