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const express = require('express');
const crypto = require('crypto');
const router = express.Router();
const { titleConvoBing, askBing } = require('../../../app');
const { saveMessage, getConvoTitle, saveConvo, getConvo } = require('../../../models');
const { handleError, sendMessage, createOnProgress, handleText } = require('./handlers');
const requireJwtAuth = require('../../../middleware/requireJwtAuth');
router.post('/', requireJwtAuth, async (req, res) => {
const {
endpoint,
text,
messageId,
overrideParentMessageId = null,
parentMessageId,
conversationId: oldConversationId,
} = req.body;
if (text.length === 0) {
return handleError(res, { text: 'Prompt empty or too short' });
}
if (endpoint !== 'bingAI') {
return handleError(res, { text: 'Illegal request' });
}
// build user message
const conversationId = oldConversationId || crypto.randomUUID();
const isNewConversation = !oldConversationId;
const userMessageId = messageId;
const userParentMessageId = parentMessageId || '00000000-0000-0000-0000-000000000000';
let userMessage = {
messageId: userMessageId,
sender: 'User',
text,
parentMessageId: userParentMessageId,
conversationId,
isCreatedByUser: true,
};
// build endpoint option
let endpointOption = {};
if (req.body?.jailbreak) {
endpointOption = {
jailbreak: req.body?.jailbreak ?? false,
jailbreakConversationId: req.body?.jailbreakConversationId ?? null,
systemMessage: req.body?.systemMessage ?? null,
context: req.body?.context ?? null,
toneStyle: req.body?.toneStyle ?? 'creative',
token: req.body?.token ?? null,
};
} else {
endpointOption = {
jailbreak: req.body?.jailbreak ?? false,
systemMessage: req.body?.systemMessage ?? null,
context: req.body?.context ?? null,
conversationSignature: req.body?.conversationSignature ?? null,
clientId: req.body?.clientId ?? null,
invocationId: req.body?.invocationId ?? null,
toneStyle: req.body?.toneStyle ?? 'creative',
token: req.body?.token ?? null,
};
}
console.log('ask log', {
userMessage,
endpointOption,
conversationId,
});
if (!overrideParentMessageId) {
await saveMessage(userMessage);
await saveConvo(req.user.id, {
...userMessage,
...endpointOption,
conversationId,
endpoint,
});
}
// eslint-disable-next-line no-use-before-define
return await ask({
isNewConversation,
userMessage,
endpointOption,
conversationId,
preSendRequest: true,
overrideParentMessageId,
req,
res,
});
});
const ask = async ({
isNewConversation,
userMessage,
endpointOption,
conversationId,
preSendRequest = true,
overrideParentMessageId = null,
req,
res,
}) => {
let { text, parentMessageId: userParentMessageId, messageId: userMessageId } = userMessage;
let responseMessageId = crypto.randomUUID();
res.writeHead(200, {
Connection: 'keep-alive',
'Content-Type': 'text/event-stream',
'Cache-Control': 'no-cache, no-transform',
'Access-Control-Allow-Origin': '*',
'X-Accel-Buffering': 'no',
});
if (preSendRequest) {
sendMessage(res, { message: userMessage, created: true });
}
let lastSavedTimestamp = 0;
const { onProgress: progressCallback, getPartialText } = createOnProgress({
onProgress: ({ text }) => {
const currentTimestamp = Date.now();
if (currentTimestamp - lastSavedTimestamp > 500) {
lastSavedTimestamp = currentTimestamp;
saveMessage({
messageId: responseMessageId,
sender: endpointOption?.jailbreak ? 'Sydney' : 'BingAI',
conversationId,
parentMessageId: overrideParentMessageId || userMessageId,
text: text,
unfinished: true,
cancelled: false,
error: false,
});
}
},
});
const abortController = new AbortController();
let bingConversationId = null;
if (!isNewConversation) {
const convo = await getConvo(req.user.id, conversationId);
bingConversationId = convo.bingConversationId;
}
try {
let response = await askBing({
text,
parentMessageId: userParentMessageId,
conversationId: bingConversationId ?? conversationId,
...endpointOption,
onProgress: progressCallback.call(null, {
res,
text,
parentMessageId: overrideParentMessageId || userMessageId,
}),
abortController,
});
console.log('BING RESPONSE', response);
const newConversationId = endpointOption?.jailbreak
? response.jailbreakConversationId
: response.conversationId || conversationId;
const newUserMessageId =
response.parentMessageId || response.details.requestId || userMessageId;
const newResponseMessageId = response.messageId || response.details.messageId;
// STEP1 generate response message
response.text =
response.response || response.details.spokenText || '**Bing refused to answer.**';
const partialText = getPartialText();
let unfinished = false;
if (partialText?.trim()?.length > response.text.length) {
response.text = partialText;
unfinished = false;
//setting "unfinished" to false fix bing image generation error msg and allows to continue a convo after being triggered by censorship (bing does remember the context after a "censored error" so there is no reason to end the convo)
}
let responseMessage = {
conversationId,
bingConversationId: newConversationId,
messageId: responseMessageId,
newMessageId: newResponseMessageId,
parentMessageId: overrideParentMessageId || newUserMessageId,
sender: endpointOption?.jailbreak ? 'Sydney' : 'BingAI',
text: await handleText(response, true),
suggestions:
response.details.suggestedResponses &&
response.details.suggestedResponses.map((s) => s.text),
unfinished,
cancelled: false,
error: false,
};
await saveMessage(responseMessage);
responseMessage.messageId = newResponseMessageId;
let conversationUpdate = {
conversationId,
bingConversationId: newConversationId,
endpoint: 'bingAI',
};
if (endpointOption?.jailbreak) {
conversationUpdate.jailbreak = true;
conversationUpdate.jailbreakConversationId = response.jailbreakConversationId;
} else {
conversationUpdate.jailbreak = false;
conversationUpdate.conversationSignature = response.conversationSignature;
conversationUpdate.clientId = response.clientId;
conversationUpdate.invocationId = response.invocationId;
}
await saveConvo(req.user.id, conversationUpdate);
userMessage.messageId = newUserMessageId;
// If response has parentMessageId, the fake userMessage.messageId should be updated to the real one.
if (!overrideParentMessageId) {
await saveMessage({
...userMessage,
messageId: userMessageId,
newMessageId: newUserMessageId,
});
}
userMessageId = newUserMessageId;
sendMessage(res, {
title: await getConvoTitle(req.user.id, conversationId),
final: true,
conversation: await getConvo(req.user.id, conversationId),
requestMessage: userMessage,
responseMessage: responseMessage,
});
res.end();
if (userParentMessageId == '00000000-0000-0000-0000-000000000000') {
const title = await titleConvoBing({
text,
response: responseMessage,
});
await saveConvo(req.user.id, {
conversationId: conversationId,
title,
});
}
} catch (error) {
console.error(error);
const partialText = getPartialText();
if (partialText?.length > 2) {
const responseMessage = {
messageId: responseMessageId,
sender: endpointOption?.jailbreak ? 'Sydney' : 'BingAI',
conversationId,
parentMessageId: overrideParentMessageId || userMessageId,
text: partialText,
model: endpointOption.modelOptions.model,
unfinished: true,
cancelled: false,
error: false,
};
saveMessage(responseMessage);
return {
title: await getConvoTitle(req.user.id, conversationId),
final: true,
conversation: await getConvo(req.user.id, conversationId),
requestMessage: userMessage,
responseMessage: responseMessage,
};
} else {
console.log(error);
const errorMessage = {
messageId: responseMessageId,
sender: endpointOption?.jailbreak ? 'Sydney' : 'BingAI',
conversationId,
parentMessageId: overrideParentMessageId || userMessageId,
unfinished: false,
cancelled: false,
error: true,
text: error.message,
};
await saveMessage(errorMessage);
handleError(res, errorMessage);
}
}
};
module.exports = router;
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