SillyTavern/src/endpoints/characters.js
2023-12-15 22:13:02 +02:00

983 lines
37 KiB
JavaScript

const path = require('path');
const fs = require('fs');
const readline = require('readline');
const express = require('express');
const sanitize = require('sanitize-filename');
const writeFileAtomicSync = require('write-file-atomic').sync;
const _ = require('lodash');
const encode = require('png-chunks-encode');
const extract = require('png-chunks-extract');
const PNGtext = require('png-chunk-text');
const jimp = require('jimp');
const { DIRECTORIES, UPLOADS_PATH, AVATAR_WIDTH, AVATAR_HEIGHT } = require('../constants');
const { jsonParser, urlencodedParser } = require('../express-common');
const { deepMerge, humanizedISO8601DateTime, tryParse } = require('../util');
const { TavernCardValidator } = require('../validator/TavernCardValidator');
const characterCardParser = require('../character-card-parser.js');
const { readWorldInfoFile } = require('./worldinfo');
const { invalidateThumbnail } = require('./thumbnails');
const { importRisuSprites } = require('./sprites');
let characters = {};
// KV-store for parsed character data
const characterDataCache = new Map();
/**
* Reads the character card from the specified image file.
* @param {string} img_url - Path to the image file
* @param {string} input_format - 'png'
* @returns {Promise<string | undefined>} - Character card data
*/
async function charaRead(img_url, input_format) {
const stat = fs.statSync(img_url);
const cacheKey = `${img_url}-${stat.mtimeMs}`;
if (characterDataCache.has(cacheKey)) {
return characterDataCache.get(cacheKey);
}
const result = characterCardParser.parse(img_url, input_format);
characterDataCache.set(cacheKey, result);
return result;
}
/**
* @param {express.Response | undefined} response
* @param {{file_name: string} | string} mes
*/
async function charaWrite(img_url, data, target_img, response = undefined, mes = 'ok', crop = undefined) {
try {
// Reset the cache
for (const key of characterDataCache.keys()) {
if (key.startsWith(img_url)) {
characterDataCache.delete(key);
break;
}
}
// 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');
// 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(DIRECTORIES.characters + target_img + '.png', Buffer.from(encode(chunks)));
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;
}
}
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);
}
}
/**
* 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.
*/
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;
};
/**
* 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(DIRECTORIES.characters + item);
if (img_data === undefined) throw new Error('Failed to read character file');
let jsonObject = getCharaCardV2(JSON.parse(img_data));
jsonObject.avatar = item;
characters[i] = jsonObject;
characters[i]['json_data'] = img_data;
const charStat = fs.statSync(path.join(DIRECTORIES.characters, item));
characters[i]['date_added'] = charStat.birthtimeMs;
characters[i]['create_date'] = jsonObject['create_date'] || humanizedISO8601DateTime(charStat.birthtimeMs);
const char_dir = path.join(DIRECTORIES.chats, 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);
}
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);
}
}
};
function getCharaCardV2(jsonObject) {
if (jsonObject.spec === undefined) {
jsonObject = convertToV2(jsonObject);
} else {
jsonObject = readFromV2(jsonObject);
}
return jsonObject;
}
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,
depth_prompt_prompt: char.depth_prompt_prompt,
depth_prompt_response: char.depth_prompt_response,
});
result.chat = char.chat ?? humanizedISO8601DateTime();
result.create_date = char.create_date ?? humanizedISO8601DateTime();
return result;
}
function unsetFavFlag(char) {
_.set(char, 'fav', false);
_.set(char, 'data.extensions.fav', false);
}
function readFromV2(char) {
if (_.isUndefined(char.data)) {
console.warn(`Char ${char['name']} has 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(`Char ${char['name']} has Spec v2 data missing for unknown field: ${charField}`);
return;
}
}
if (!_.isUndefined(char[charField]) && !_.isUndefined(v2Value) && String(char[charField]) !== String(v2Value)) {
console.debug(`Char ${char['name']} has 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) || {};
// 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];
return [];
};
// 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 || '');
// Spec extension: depth prompt
const depth_default = 4;
const depth_value = !isNaN(Number(data.depth_prompt_depth)) ? Number(data.depth_prompt_depth) : depth_default;
_.set(char, 'data.extensions.depth_prompt.prompt', data.depth_prompt_prompt ?? '');
_.set(char, 'data.extensions.depth_prompt.depth', depth_value);
//_.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: ${data.world}. Character book will not be available.`);
}
}
return char;
}
/**
* @param {string} name Name of World Info file
* @param {object} entries Entries object
*/
function convertWorldInfoToCharacterBook(name, entries) {
/** @type {{ entries: object[]; name: string }} */
const result = { entries: [], name };
for (const index in entries) {
const entry = entries[index];
const originalEntry = {
id: entry.uid,
keys: entry.key,
secondary_keys: entry.keysecondary,
comment: entry.comment,
content: entry.content,
constant: entry.constant,
selective: entry.selective,
insertion_order: entry.order,
enabled: !entry.disable,
position: entry.position == 0 ? 'before_char' : 'after_char',
extensions: {
position: entry.position,
exclude_recursion: entry.excludeRecursion,
display_index: entry.displayIndex,
probability: entry.probability ?? null,
useProbability: entry.useProbability ?? false,
depth: entry.depth ?? 4,
selectiveLogic: entry.selectiveLogic ?? 0,
group: entry.group ?? '',
},
};
result.entries.push(originalEntry);
}
return result;
}
const router = express.Router();
router.post('/create', urlencodedParser, async function (request, response) {
if (!request.body) return response.sendStatus(400);
request.body.ch_name = sanitize(request.body.ch_name);
const char = JSON.stringify(charaFormatData(request.body));
const internalName = getPngName(request.body.ch_name);
const avatarName = `${internalName}.png`;
const defaultAvatar = './public/img/ai4.png';
const chatsPath = DIRECTORIES.chats + internalName; //path.join(chatsPath, internalName);
if (!fs.existsSync(chatsPath)) fs.mkdirSync(chatsPath);
if (!request.file) {
charaWrite(defaultAvatar, char, internalName, response, avatarName);
} else {
const crop = tryParse(request.query.crop);
const uploadPath = path.join(UPLOADS_PATH, request.file.filename);
await charaWrite(uploadPath, char, internalName, response, avatarName, crop);
fs.unlinkSync(uploadPath);
}
});
router.post('/rename', 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(DIRECTORIES.characters, oldAvatarName);
const oldChatsPath = path.join(DIRECTORIES.chats, oldInternalName);
const newChatsPath = path.join(DIRECTORIES.chats, 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');
const oldData = getCharaCardV2(JSON.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);
}
});
router.post('/edit', 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(DIRECTORIES.characters, request.body.avatar_url);
await charaWrite(avatarPath, char, target_img, response, 'Character saved');
} else {
const crop = tryParse(request.query.crop);
const newAvatarPath = path.join(UPLOADS_PATH, request.file.filename);
invalidateThumbnail('avatar', request.body.avatar_url);
await charaWrite(newAvatarPath, char, target_img, response, 'Character saved', crop);
fs.unlinkSync(newAvatarPath);
}
}
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}
*/
router.post('/edit-attribute', 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(DIRECTORIES.characters, request.body.avatar_url);
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);
}
});
/**
* Handle a POST request to edit character properties.
*
* Merges the request body with the selected character and
* validates the result against TavernCard V2 specification.
*
* @param {Object} request - The HTTP request object.
* @param {Object} response - The HTTP response object.
*
* @returns {void}
* */
router.post('/merge-attributes', jsonParser, async function (request, response) {
const update = request.body;
const avatarPath = path.join(DIRECTORIES.characters, update.avatar);
try {
const pngStringData = await charaRead(avatarPath);
if (!pngStringData) {
console.error('Error: invalid character file.');
response.status(400).send('Error: invalid character file.');
return;
}
let character = JSON.parse(pngStringData);
character = deepMerge(character, update);
const validator = new TavernCardValidator(character);
//Accept either V1 or V2.
if (validator.validate()) {
await charaWrite(
avatarPath,
JSON.stringify(character),
(update.avatar).replace('.png', ''),
response,
'Character saved',
);
} else {
console.log(validator.lastValidationError);
response.status(400).send({ message: `Validation failed for ${character.name}`, error: validator.lastValidationError });
}
} catch (exception) {
response.status(500).send({ message: 'Unexpected error while saving character.', error: exception.toString() });
}
});
router.post('/delete', jsonParser, async function (request, response) {
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 = DIRECTORIES.characters + 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);
}
if (request.body.delete_chats == true) {
try {
await fs.promises.rm(path.join(DIRECTORIES.chats, sanitize(dir_name)), { recursive: true, force: true });
} catch (err) {
console.error(err);
return response.sendStatus(500);
}
}
return response.sendStatus(200);
});
/**
* HTTP POST endpoint for the "/api/characters/all" 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.
*/
router.post('/all', jsonParser, function (request, response) {
fs.readdir(DIRECTORIES.characters, 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');
// Filter out invalid/broken characters
characters = Object.values(characters).filter(x => x?.name).reduce((acc, val, index) => {
acc[index] = val;
return acc;
}, {});
response.send(JSON.stringify(characters));
});
});
router.post('/get', jsonParser, async function (request, response) {
if (!request.body) return response.sendStatus(400);
const item = request.body.avatar_url;
const filePath = path.join(DIRECTORIES.characters, item);
if (!fs.existsSync(filePath)) {
return response.sendStatus(404);
}
characters = {};
await processCharacter(item, 0);
return response.send(characters[0]);
});
router.post('/chats', jsonParser, async function (request, response) {
if (!request.body) return response.sendStatus(400);
const characterDirectory = (request.body.avatar_url).replace('.png', '');
try {
const chatsDirectory = path.join(DIRECTORIES.chats, characterDirectory);
const files = fs.readdirSync(chatsDirectory);
const jsonFiles = files.filter(file => path.extname(file) === '.jsonl');
if (jsonFiles.length === 0) {
response.send({ error: true });
return;
}
const jsonFilesPromise = jsonFiles.map((file) => {
return new Promise(async (res) => {
const pathToFile = path.join(DIRECTORIES.chats, characterDirectory, file);
const fileStream = fs.createReadStream(pathToFile);
const stats = fs.statSync(pathToFile);
const fileSizeInKB = `${(stats.size / 1024).toFixed(2)}kb`;
const rl = readline.createInterface({
input: fileStream,
crlfDelay: Infinity,
});
let lastLine;
let itemCounter = 0;
rl.on('line', (line) => {
itemCounter++;
lastLine = line;
});
rl.on('close', () => {
rl.close();
if (lastLine) {
const jsonData = tryParse(lastLine);
if (jsonData && (jsonData.name || jsonData.character_name)) {
const chatData = {};
chatData['file_name'] = file;
chatData['file_size'] = fileSizeInKB;
chatData['chat_items'] = itemCounter - 1;
chatData['mes'] = jsonData['mes'] || '[The chat is empty]';
chatData['last_mes'] = jsonData['send_date'] || Date.now();
res(chatData);
} else {
console.log('Found an invalid or corrupted chat file:', pathToFile);
res({});
}
}
});
});
});
const chatData = await Promise.all(jsonFilesPromise);
const validFiles = chatData.filter(i => i.file_name);
return response.send(validFiles);
} catch (error) {
console.log(error);
return response.send({ error: true });
}
});
function getPngName(file) {
let i = 1;
let base_name = file;
while (fs.existsSync(DIRECTORIES.characters + file + '.png')) {
file = base_name + i;
i++;
}
return file;
}
router.post('/import', urlencodedParser, async function (request, response) {
if (!request.body || request.file === undefined) return response.sendStatus(400);
let png_name = '';
let filedata = request.file;
let uploadPath = path.join(UPLOADS_PATH, filedata.filename);
var format = request.body.file_type;
const defaultAvatarPath = './public/img/ai4.png';
//console.log(format);
if (filedata) {
if (format == 'json') {
fs.readFile(uploadPath, 'utf8', async (err, data) => {
fs.unlinkSync(uploadPath);
if (err) {
console.log(err);
response.send({ error: true });
}
let jsonData = JSON.parse(data);
if (jsonData.spec !== undefined) {
console.log('importing from v2 json');
importRisuSprites(jsonData);
unsetFavFlag(jsonData);
jsonData = readFromV2(jsonData);
jsonData['create_date'] = humanizedISO8601DateTime();
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 });
} 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 });
} 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');
let jsonData = JSON.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);
jsonData['create_date'] = humanizedISO8601DateTime();
const char = JSON.stringify(jsonData);
await charaWrite(uploadPath, char, png_name, response, { file_name: png_name });
fs.unlinkSync(uploadPath);
} 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);
const charJSON = JSON.stringify(char);
await charaWrite(uploadPath, charJSON, png_name, response, { file_name: png_name });
fs.unlinkSync(uploadPath);
} else {
console.log('Unknown character card format');
response.send({ error: true });
}
} catch (err) {
console.log(err);
response.send({ error: true });
}
}
}
});
router.post('/duplicate', 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));
if (!fs.existsSync(filename)) {
console.log('file for dupe not found');
console.log(filename);
return response.sendStatus(404);
}
let suffix = 1;
let newFilename = filename;
// 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}${path.extname(filename)}`);
while (fs.existsSync(newFilename)) {
let suffixStr = '_' + suffix;
newFilename = path.join(DIRECTORIES.characters, `${baseName}${suffixStr}${path.extname(filename)}`);
suffix++;
}
fs.copyFileSync(filename, newFilename);
console.log(`${filename} was copied to ${newFilename}`);
response.sendStatus(200);
}
catch (error) {
console.error(error);
return response.send({ error: true });
}
});
router.post('/export', 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));
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);
let jsonObject = getCharaCardV2(JSON.parse(json));
return response.type('json').send(jsonObject);
}
catch {
return response.sendStatus(400);
}
}
}
return response.sendStatus(400);
});
module.exports = { router };