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// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import {generateId} from 'utils/utils.jsx';
function getPrefix() {
if (global.window.mm_current_user_id) {
return global.window.mm_current_user_id + '_';
}
console.warn('BrowserStore tried to operate without user present'); //eslint-disable-line no-console
return 'unknown_';
}
class BrowserStoreClass {
constructor() {
this.getItem = this.getItem.bind(this);
this.setItem = this.setItem.bind(this);
this.removeItem = this.removeItem.bind(this);
this.setGlobalItem = this.setGlobalItem.bind(this);
this.getGlobalItem = this.getGlobalItem.bind(this);
this.removeGlobalItem = this.removeGlobalItem.bind(this);
this.actionOnItemsWithPrefix = this.actionOnItemsWithPrefix.bind(this);
this.actionOnGlobalItemsWithPrefix = this.actionOnGlobalItemsWithPrefix.bind(this);
this.isLocalStorageSupported = this.isLocalStorageSupported.bind(this);
this.getLastServerVersion = this.getLastServerVersion.bind(this);
this.setLastServerVersion = this.setLastServerVersion.bind(this);
this.clear = this.clear.bind(this);
this.clearAll = this.clearAll.bind(this);
this.checkedLocalStorageSupported = '';
this.signalLogout = this.signalLogout.bind(this);
this.isSignallingLogout = this.isSignallingLogout.bind(this);
this.signalLogin = this.signalLogin.bind(this);
this.isSignallingLogin = this.isSignallingLogin.bind(this);
}
checkVersion() {
var currentVersion = this.getGlobalItem('storage_version');
if (currentVersion !== global.window.mm_config.Version) {
this.clearAll();
try {
this.setGlobalItem('storage_version', global.window.mm_config.Version);
} catch (e) {
// Do nothing
}
}
}
setItem(name, value) {
this.setGlobalItem(getPrefix() + name, value);
}
getItem(name, defaultValue) {
return this.getGlobalItem(getPrefix() + name, defaultValue);
}
removeItem(name) {
this.removeGlobalItem(getPrefix() + name);
}
setGlobalItem(name, value) {
try {
if (this.isLocalStorageSupported()) {
localStorage.setItem(name, JSON.stringify(value));
} else {
sessionStorage.setItem(name, JSON.stringify(value));
}
} catch (err) {
console.log('An error occurred while setting local storage, clearing all props'); //eslint-disable-line no-console
localStorage.clear();
sessionStorage.clear();
window.location.reload(true);
}
}
getGlobalItem(name, defaultValue) {
var result = null;
try {
if (this.isLocalStorageSupported()) {
result = JSON.parse(localStorage.getItem(name));
} else {
result = JSON.parse(sessionStorage.getItem(name));
}
} catch (err) {
result = null;
}
if (result === null && typeof defaultValue !== 'undefined') {
result = defaultValue;
}
return result;
}
removeGlobalItem(name) {
if (this.isLocalStorageSupported()) {
localStorage.removeItem(name);
} else {
sessionStorage.removeItem(name);
}
}
getLastServerVersion() {
return this.getGlobalItem('last_server_version');
}
setLastServerVersion(version) {
this.setGlobalItem('last_server_version', version);
}
signalLogout() {
if (this.isLocalStorageSupported()) {
// PLT-1285 store an identifier in session storage so we can catch if the logout came from this tab on IE11
const logoutId = generateId();
sessionStorage.setItem('__logout__', logoutId);
localStorage.setItem('__logout__', logoutId);
localStorage.removeItem('__logout__');
}
}
isSignallingLogout(logoutId) {
return logoutId === sessionStorage.getItem('__logout__');
}
signalLogin() {
if (this.isLocalStorageSupported()) {
// PLT-1285 store an identifier in session storage so we can catch if the logout came from this tab on IE11
const loginId = generateId();
sessionStorage.setItem('__login__', loginId);
localStorage.setItem('__login__', loginId);
localStorage.removeItem('__login__');
}
}
isSignallingLogin(loginId) {
return loginId === sessionStorage.getItem('__login__');
}
/**
* Preforms the given action on each item that has the given prefix
* Signature for action is action(key, value)
*/
actionOnGlobalItemsWithPrefix(prefix, action) {
var storage = sessionStorage;
if (this.isLocalStorageSupported()) {
storage = localStorage;
}
for (var key in storage) {
if (key.lastIndexOf(prefix, 0) === 0) {
action(key, this.getGlobalItem(key));
}
}
}
actionOnItemsWithPrefix(prefix, action) {
var globalPrefix = getPrefix();
var globalPrefixiLen = globalPrefix.length;
for (var key in sessionStorage) {
if (key.lastIndexOf(globalPrefix + prefix, 0) === 0) {
var userkey = key.substring(globalPrefixiLen);
action(userkey, this.getGlobalItem(key));
}
}
}
clear() {
// don't clear the logout id so IE11 can tell which tab sent a logout request
const logoutId = sessionStorage.getItem('__logout__');
sessionStorage.clear();
localStorage.clear();
if (logoutId) {
sessionStorage.setItem('__logout__', logoutId);
}
}
clearAll() {
sessionStorage.clear();
localStorage.clear();
}
isLocalStorageSupported() {
if (this.checkedLocalStorageSupported !== '') {
return this.checkedLocalStorageSupported;
}
try {
sessionStorage.setItem('__testSession__', '1');
sessionStorage.removeItem('__testSession__');
localStorage.setItem('__testLocal__', '1');
if (localStorage.getItem('__testLocal__') !== '1') {
this.checkedLocalStorageSupported = false;
}
localStorage.removeItem('__testLocal__', '1');
this.checkedLocalStorageSupported = true;
} catch (e) {
this.checkedLocalStorageSupported = false;
}
return this.checkedLocalStorageSupported;
}
}
var BrowserStore = new BrowserStoreClass();
export default BrowserStore;
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