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import path from 'node:path';
import fs from 'node:fs';
import express from 'express';
import sanitize from 'sanitize-filename';
import { Jimp } from '../jimp.js';
import { sync as writeFileAtomicSync } from 'write-file-atomic';
import { getImages, tryParse } from '../util.js';
import { getFileNameValidationFunction } from '../middleware/validateFileName.js';
import { applyAvatarCropResize } from './characters.js';
import { invalidateThumbnail } from './thumbnails.js';
import cacheBuster from '../middleware/cacheBuster.js';
export const router = express.Router();
router.post('/get', function (request, response) {
const images = getImages(request.user.directories.avatars);
response.send(images);
});
router.post('/delete', getFileNameValidationFunction('avatar'), 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(request.user.directories.avatars, sanitize(request.body.avatar));
if (fs.existsSync(fileName)) {
fs.unlinkSync(fileName);
invalidateThumbnail(request.user.directories, 'persona', sanitize(request.body.avatar));
return response.send({ result: 'ok' });
}
return response.sendStatus(404);
});
router.post('/upload', getFileNameValidationFunction('overwrite_name'), async (request, response) => {
if (!request.file) return response.sendStatus(400);
try {
const pathToUpload = path.join(request.file.destination, request.file.filename);
const crop = tryParse(request.query.crop);
const rawImg = await Jimp.read(pathToUpload);
const image = await applyAvatarCropResize(rawImg, crop);
// Remove previous thumbnail and bust cache if overwriting
if (request.body.overwrite_name) {
invalidateThumbnail(request.user.directories, 'persona', sanitize(request.body.overwrite_name));
cacheBuster.bust(request, response);
}
const filename = sanitize(request.body.overwrite_name || `${Date.now()}.png`);
const pathToNewFile = path.join(request.user.directories.avatars, filename);
writeFileAtomicSync(pathToNewFile, image);
fs.unlinkSync(pathToUpload);
return response.send({ path: filename });
} catch (err) {
console.error('Error uploading user avatar:', err);
return response.status(400).send('Is not a valid image');
}
});
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