cryptpad/www/common/outer/local-store.js

131 lines
3.8 KiB
JavaScript

define([
'/common/common-constants.js',
'/common/common-hash.js',
'/bower_components/localforage/dist/localforage.min.js',
], function (Constants, Hash, localForage) {
var LocalStore = {};
LocalStore.setThumbnail = function (key, value, cb) {
localForage.setItem(key, value, cb);
};
LocalStore.getThumbnail = function (key, cb) {
localForage.getItem(key, cb);
};
LocalStore.clearThumbnail = function (cb) {
cb = cb || function () {};
localForage.clear(cb);
};
LocalStore.setFSHash = function (hash) {
var sHash = Hash.serializeHash(hash);
localStorage[Constants.fileHashKey] = sHash;
};
LocalStore.getFSHash = function () {
var hash = localStorage[Constants.fileHashKey];
if (['undefined', 'undefined/'].indexOf(hash) !== -1) {
localStorage.removeItem(Constants.fileHashKey);
return;
}
if (hash) {
var sHash = Hash.serializeHash(hash);
if (sHash !== hash) { localStorage[Constants.fileHashKey] = sHash; }
}
return hash;
};
var getUserHash = LocalStore.getUserHash = function () {
var hash = localStorage[Constants.userHashKey];
if (['undefined', 'undefined/'].indexOf(hash) !== -1) {
localStorage.removeItem(Constants.userHashKey);
return;
}
if (hash) {
var sHash = Hash.serializeHash(hash);
if (sHash !== hash) { localStorage[Constants.userHashKey] = sHash; }
}
return hash;
};
LocalStore.setUserHash = function (hash) {
var sHash = Hash.serializeHash(hash);
localStorage[Constants.userHashKey] = sHash;
};
LocalStore.getAccountName = function () {
return localStorage[Constants.userNameKey];
};
LocalStore.isLoggedIn = function () {
return typeof getUserHash() === "string";
};
LocalStore.login = function (hash, name, cb) {
if (!hash) { throw new Error('expected a user hash'); }
if (!name) { throw new Error('expected a user name'); }
hash = Hash.serializeHash(hash);
localStorage.setItem(Constants.userHashKey, hash);
localStorage.setItem(Constants.userNameKey, name);
if (cb) { cb(); }
};
var eraseTempSessionValues = LocalStore.eraseTempSessionValues = function () {
// delete sessionStorage values that might have been left over
// from the main page's /user redirect
[
'login',
'login_user',
'login_pass',
'login_rmb',
'register'
].forEach(function (k) {
delete sessionStorage[k];
});
};
var logoutHandlers = [];
LocalStore.logout = function (cb) {
[
Constants.userNameKey,
Constants.userHashKey,
'loginToken',
'plan',
].forEach(function (k) {
sessionStorage.removeItem(k);
localStorage.removeItem(k);
delete localStorage[k];
delete sessionStorage[k];
});
LocalStore.clearThumbnail();
// Make sure we have an FS_hash in localStorage before reloading all the tabs
// so that we don't end up with tabs using different anon hashes
if (!LocalStore.getFSHash()) {
LocalStore.setFSHash(Hash.createRandomHash());
}
eraseTempSessionValues();
logoutHandlers.forEach(function (h) {
if (typeof (h) === "function") { h(); }
});
if (cb) { cb(); }
};
LocalStore.onLogout = function (h) {
if (typeof (h) !== "function") { return; }
if (logoutHandlers.indexOf(h) !== -1) { return; }
logoutHandlers.push(h);
};
return LocalStore;
});