Spaces:
Running
Running
File size: 3,545 Bytes
1307964 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 |
const fs = require('fs');
const path = require('path');
const express = require('express');
const sanitize = require('sanitize-filename');
const { jsonParser } = require('../express-common');
const { clientRelativePath, removeFileExtension, getImages } = require('../util');
/**
* Ensure the directory for the provided file path exists.
* If not, it will recursively create the directory.
*
* @param {string} filePath - The full path of the file for which the directory should be ensured.
*/
function ensureDirectoryExistence(filePath) {
const dirname = path.dirname(filePath);
if (fs.existsSync(dirname)) {
return true;
}
ensureDirectoryExistence(dirname);
fs.mkdirSync(dirname);
}
const router = express.Router();
/**
* 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.
*
* @route POST /api/images/upload
* @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.
*/
router.post('/upload', jsonParser, async (request, response) => {
// Check for image data
if (!request.body || !request.body.image) {
return response.status(400).send({ error: 'No image data provided' });
}
try {
// Extracting the base64 data and the image format
const splitParts = request.body.image.split(',');
const format = splitParts[0].split(';')[0].split('/')[1];
const base64Data = splitParts[1];
const validFormat = ['png', 'jpg', 'webp', 'jpeg', 'gif'].includes(format);
if (!validFormat) {
return response.status(400).send({ error: 'Invalid image format' });
}
// Constructing filename and path
let filename;
if (request.body.filename) {
filename = `${removeFileExtension(request.body.filename)}.${format}`;
} else {
filename = `${Date.now()}.${format}`;
}
// if character is defined, save to a sub folder for that character
let pathToNewFile = path.join(request.user.directories.userImages, sanitize(filename));
if (request.body.ch_name) {
pathToNewFile = path.join(request.user.directories.userImages, sanitize(request.body.ch_name), sanitize(filename));
}
ensureDirectoryExistence(pathToNewFile);
const imageBuffer = Buffer.from(base64Data, 'base64');
await fs.promises.writeFile(pathToNewFile, imageBuffer);
response.send({ path: clientRelativePath(request.user.directories.root, pathToNewFile) });
} catch (error) {
console.log(error);
response.status(500).send({ error: 'Failed to save the image' });
}
});
router.post('/list/:folder', (request, response) => {
const directoryPath = path.join(request.user.directories.userImages, sanitize(request.params.folder));
if (!fs.existsSync(directoryPath)) {
fs.mkdirSync(directoryPath, { recursive: true });
}
try {
const images = getImages(directoryPath, 'date');
return response.send(images);
} catch (error) {
console.error(error);
return response.status(500).send({ error: 'Unable to retrieve files' });
}
});
module.exports = { router };
|