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nodebb/src/user/uploads.js

91 lines
3.1 KiB
JavaScript

'use strict';
const path = require('path');
const nconf = require('nconf');
const winston = require('winston');
const crypto = require('crypto');
const db = require('../database');
const posts = require('../posts');
const file = require('../file');
const batch = require('../batch');
const md5 = filename => crypto.createHash('md5').update(filename).digest('hex');
const _getFullPath = relativePath => path.resolve(nconf.get('upload_path'), relativePath);
const _validatePath = async (relativePaths) => {
if (typeof relativePaths === 'string') {
relativePaths = [relativePaths];
} else if (!Array.isArray(relativePaths)) {
throw new Error(`[[error:wrong-parameter-type, relativePaths, ${typeof relativePaths}, array]]`);
}
const fullPaths = relativePaths.map(path => _getFullPath(path));
const exists = await Promise.all(fullPaths.map(async fullPath => file.exists(fullPath)));
if (!fullPaths.every(fullPath => fullPath.startsWith(nconf.get('upload_path'))) || !exists.every(Boolean)) {
throw new Error('[[error:invalid-path]]');
}
};
module.exports = function (User) {
User.associateUpload = async (uid, relativePath) => {
await _validatePath(relativePath);
await Promise.all([
db.sortedSetAdd(`uid:${uid}:uploads`, Date.now(), relativePath),
db.setObjectField(`upload:${md5(relativePath)}`, 'uid', uid),
]);
};
User.deleteUpload = async function (callerUid, uid, uploadNames) {
if (typeof uploadNames === 'string') {
uploadNames = [uploadNames];
} else if (!Array.isArray(uploadNames)) {
throw new Error(`[[error:wrong-parameter-type, uploadNames, ${typeof uploadNames}, array]]`);
}
await _validatePath(uploadNames);
const [isUsersUpload, isAdminOrGlobalMod] = await Promise.all([
db.isSortedSetMembers(`uid:${callerUid}:uploads`, uploadNames),
User.isAdminOrGlobalMod(callerUid),
]);
if (!isAdminOrGlobalMod && !isUsersUpload.every(Boolean)) {
throw new Error('[[error:no-privileges]]');
}
await batch.processArray(uploadNames, async (uploadNames) => {
const fullPaths = uploadNames.map(path => _getFullPath(path));
await Promise.all(fullPaths.map(async (fullPath, idx) => {
winston.verbose(`[user/deleteUpload] Deleting ${uploadNames[idx]}`);
await Promise.all([
file.delete(fullPath),
file.delete(file.appendToFileName(fullPath, '-resized')),
]);
await Promise.all([
db.sortedSetRemove(`uid:${uid}:uploads`, uploadNames[idx]),
db.delete(`upload:${md5(uploadNames[idx])}`),
]);
}));
// Dissociate the upload from pids, if any
const pids = await db.getSortedSetsMembers(uploadNames.map(relativePath => `upload:${md5(relativePath)}:pids`));
await Promise.all(pids.map(async (pids, idx) => Promise.all(
pids.map(async pid => posts.uploads.dissociate(pid, uploadNames[idx]))
)));
}, { batch: 50 });
};
User.collateUploads = async function (uid, archive) {
await batch.processSortedSet(`uid:${uid}:uploads`, (files, next) => {
files.forEach((file) => {
archive.file(_getFullPath(file), {
name: path.basename(file),
});
});
setImmediate(next);
}, { batch: 100 });
};
};