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const fs = require('fs');
const path = require('path');
const express = require('express');
const sanitize = require('sanitize-filename');
const { jsonParser, urlencodedParser } = require('../express-common');
const { invalidateThumbnail } = require('./thumbnails');
const { getImages } = require('../util');
const router = express.Router();
router.post('/all', jsonParser, function (request, response) {
var images = getImages(request.user.directories.backgrounds);
response.send(JSON.stringify(images));
});
router.post('/delete', 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(request.user.directories.backgrounds, sanitize(request.body.bg));
if (!fs.existsSync(fileName)) {
console.log('BG file not found');
return response.sendStatus(400);
}
fs.rmSync(fileName);
invalidateThumbnail(request.user.directories, 'bg', request.body.bg);
return response.send('ok');
});
router.post('/rename', jsonParser, function (request, response) {
if (!request.body) return response.sendStatus(400);
const oldFileName = path.join(request.user.directories.backgrounds, sanitize(request.body.old_bg));
const newFileName = path.join(request.user.directories.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.copyFileSync(oldFileName, newFileName);
fs.rmSync(oldFileName);
invalidateThumbnail(request.user.directories, 'bg', request.body.old_bg);
return response.send('ok');
});
router.post('/upload', urlencodedParser, function (request, response) {
if (!request.body || !request.file) return response.sendStatus(400);
const img_path = path.join(request.file.destination, request.file.filename);
const filename = request.file.originalname;
try {
fs.copyFileSync(img_path, path.join(request.user.directories.backgrounds, filename));
fs.rmSync(img_path);
invalidateThumbnail(request.user.directories, 'bg', filename);
response.send(filename);
} catch (err) {
console.error(err);
response.sendStatus(500);
}
});
module.exports = { router };
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