cryptpad/www/common/mergeDrive.js

97 lines
4.0 KiB
JavaScript

// SPDX-FileCopyrightText: 2023 XWiki CryptPad Team <contact@cryptpad.org> and contributors
//
// SPDX-License-Identifier: AGPL-3.0-or-later
define([
'/common/cryptget.js',
'/common/userObject.js',
'/common/common-hash.js',
'/common/common-realtime.js',
], function (Crypt, FO, Hash, Realtime) {
var exp = {};
exp.anonDriveIntoUser = function (proxyData, fsHash, cb) {
// Make sure we have an FS_hash and we don't use it, otherwise just stop the migration and cb
if (!fsHash || !proxyData.loggedIn) {
if (typeof(cb) === "function") { return void cb(); }
}
// Get the content of FS_hash and then merge the objects, remove the migration key and cb
var todo = function (err, doc) {
if (err) { console.error("Cannot migrate recent pads", err); return; }
var parsed;
if (!doc) {
if (typeof(cb) === "function") { cb(); }
return;
}
try { parsed = JSON.parse(doc); } catch (e) {
if (typeof(cb) === "function") { cb(); }
console.error("Cannot parsed recent pads", e);
return;
}
if (parsed) {
var proxy = proxyData.proxy;
var oldFo = FO.init(parsed.drive, {
readOnly: false,
loggedIn: true,
outer: true
});
var onMigrated = function () {
oldFo.fixFiles(true);
var manager = proxyData.manager;
var oldFiles = oldFo.getFiles([oldFo.FILES_DATA]);
oldFiles.forEach(function (id) {
var data = oldFo.getFileData(id);
var channel = data.channel;
var datas = manager.findChannel(channel);
// Do not migrate a pad if we already have it, it would create a duplicate
// in the drive
if (datas.length !== 0) {
// We want to merge a read-only pad: it can't be stronger than what
// we already have so abort
if (!data.href) { return; }
// We want to merge an edit pad: check if we have the same channel
// but read-only and upgrade it in that case
datas.forEach(function (pad) {
if (pad.data && !pad.data.href) {
pad.userObject.setHref(channel, null, data.href);
}
});
return;
}
// Here it means we have a new href, so we should add it to the drive
if (data) {
manager.addPad(null, data, function (err) {
if (err) {
return void console.error("Cannot import file:", data, err);
}
});
}
});
if (!proxy.FS_hashes || !Array.isArray(proxy.FS_hashes)) {
proxy.FS_hashes = [];
}
if (proxy.FS_hashes.indexOf(fsHash) === -1) {
proxy.FS_hashes.push(fsHash);
}
if (typeof(cb) === "function") {
Realtime.whenRealtimeSyncs(proxyData.realtime, cb);
}
};
if (oldFo && typeof(oldFo.migrate) === 'function') {
oldFo.migrate(onMigrated);
} else {
console.log('oldFo.migrate is not a function');
onMigrated();
}
return;
}
if (typeof(cb) === "function") { cb(); }
};
Crypt.get(fsHash, todo);
};
return exp;
});