Separate resetApp functions

This commit is contained in:
Jaifroid 2024-11-03 10:49:17 +00:00
parent b40bec536f
commit 462d7fce78
3 changed files with 188 additions and 158 deletions

View File

@ -39,6 +39,7 @@ import transformStyles from './lib/transformStyles.js';
import transformZimit from './lib/transformZimit.js'; import transformZimit from './lib/transformZimit.js';
import kiwixServe from './lib/kiwixServe.js'; import kiwixServe from './lib/kiwixServe.js';
import updater from './lib/updater.js'; import updater from './lib/updater.js';
import resetApp from './lib/resetApp.js';
// Import stylesheets programmatically // Import stylesheets programmatically
// document.adoptedStyleSheets = [styles, bootstrap]; // document.adoptedStyleSheets = [styles, bootstrap];
@ -1859,7 +1860,7 @@ document.getElementById('manipulateImagesCheck').addEventListener('click', funct
}); });
['btnReset', 'btnReset2'].forEach(function (id) { ['btnReset', 'btnReset2'].forEach(function (id) {
document.getElementById(id).addEventListener('click', function () { document.getElementById(id).addEventListener('click', function () {
settingsStore.reset(); resetApp.reset();
}); });
}); });
document.getElementById('btnRefreshApp').addEventListener('click', function () { document.getElementById('btnRefreshApp').addEventListener('click', function () {
@ -1872,7 +1873,7 @@ document.getElementById('bypassAppCacheCheck').addEventListener('change', functi
} else { } else {
params.appCache = !this.checked; params.appCache = !this.checked;
settingsStore.setItem('appCache', params.appCache, Infinity); settingsStore.setItem('appCache', params.appCache, Infinity);
settingsStore.reset('cacheAPI'); resetApp.reset('cacheAPI');
} }
// This will also send any new values to Service Worker // This will also send any new values to Service Worker
refreshCacheStatus(); refreshCacheStatus();

184
www/js/lib/resetApp.js Normal file
View File

@ -0,0 +1,184 @@
/**
* reset.js : Provide utilities for resetting the app to a fresh state
* Copyright 2024 Jaifroid and contributors
* License GPL v3:
*
* This file is part of Kiwix.
*
* Kiwix is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Kiwix is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Kiwix (file LICENSE-GPLv3.txt). If not, see <http://www.gnu.org/licenses/>
*/
'use strict';
/* global params, assetsCache */
/* eslint-disable indent */
import uiUtil from './uiUtil.js';
/**
* Performs a full app reset, deleting all caches and settings
* Or, if a parameter is supplied, deletes or disables the object
* @param {String} object Optional name of the object to disable or delete ('cookie', 'localStorage', 'cacheAPI')
*/
function reset (object) {
var performReset = function () {
// 1. Clear any cookie entries
if (!object || object === 'cookie') {
var regexpCookieKeys = /(?:^|;)\s*([^=]+)=([^;]*)/ig;
var currentCookie = document.cookie;
var foundCrumb = false;
var cookieCrumb = regexpCookieKeys.exec(currentCookie);
while (cookieCrumb !== null) {
// DEV: Note that we don't use the keyPrefix in legacy cookie support
foundCrumb = true;
// This expiry date will cause the browser to delete the cookie crumb on next page refresh
document.cookie = cookieCrumb[1] + '=;expires=Thu, 21 Sep 1979 00:00:01 UTC;';
cookieCrumb = regexpCookieKeys.exec(currentCookie);
}
if (foundCrumb) console.debug('All cookie keys were expired...');
}
// 2. Clear any localStorage settings
if (!object || object === 'localStorage') {
if (/localStorage/.test(assetsCache.capability)) {
localStorage.clear();
console.debug('All Local Storage settings were deleted...');
}
}
// 3. Clear any IndexedDB entries
if (!object || object === 'indexedDB') {
if (/indexedDB/.test(assetsCache.capability)) {
window.indexedDB.deleteDatabase(params.indexedDB);
console.debug('All IndexedDB entries were deleted...');
}
}
// 4. Clear any (remaining) Cache API caches
if (!object || object === 'cacheAPI') {
getCacheNames(function (cacheNames) {
if (cacheNames && !cacheNames.error) {
var cnt = 0;
for (var cacheName in cacheNames) {
cnt++;
caches.delete(cacheNames[cacheName]).then(function () {
cnt--;
if (!cnt) {
// All caches deleted
console.debug('All Cache API caches were deleted...');
// Reload if user performed full reset or if appCache is needed
if (!object || params.appCache) reloadApp();
}
});
}
} else {
console.debug('No Cache API caches were in use (or we do not have access to the names).');
// All operations complete, reload if user performed full reset or if appCache is needed
if (!object || params.appCache) reloadApp();
}
});
}
// 5. Clear any Origin Private File System Archives
// DEV: Method is currently behind a flag, so wait till fully implemented
// if (!object || object === 'OPFS') {
// if (navigator && navigator.storage && 'getDirectory' in navigator.storage) {
// navigator.storage.getDirectory().then(function (handle) {
// handle.remove({ recursive: true }).then(function () {
// console.debug('All OPFS archives were deleted...');
// });
// });
// }
// }
};
// If no specific object was specified, we are doing a general reset, so ask user for confirmation
if (object) performReset();
else {
uiUtil.systemAlert('<p><b>WARNING:</b> This will reset the app to a freshly installed state, deleting all app caches,' +
// ' <b>Archives stored in the Private File System</b>,' +
' and settings! (Archives stored in the OPFS will be preserved.)<b></p><p>Make sure you have an Internet connection</b>' +
' if this is an offline PWA, because it will be erased and reloaded.</p>', 'Warning!', true).then(function (confirm) {
if (confirm) performReset();
else console.debug('User cancelled');
});
}
}
// Gets cache names from Service Worker, as we cannot rely on having them in params.cacheNames
function getCacheNames (callback) {
if (navigator.serviceWorker && navigator.serviceWorker.controller) {
var channel = new MessageChannel();
channel.port1.onmessage = function (event) {
var names = event.data;
callback(names);
};
navigator.serviceWorker.controller.postMessage({
action: 'getCacheNames'
}, [channel.port2]);
} else {
callback(null);
}
}
// Deregisters all Service Workers and reboots the app
function reloadApp () {
var reboot = function () {
// Temporarily disable the beforeunload event listener
params.interceptBeforeUnload = false;
console.debug('Performing app reload...');
setTimeout(function () {
window.location.href = location.origin + location.pathname + uriParams
}, 600);
};
// Blank the querystring, so that parameters are not set on reload
var uriParams = '';
if (~window.location.href.indexOf(params.PWAServer) && params.referrerExtensionURL) {
// However, if we're in a PWA that was called from local code, then by definition we must remain in SW mode and we need to
// ensure the user still has access to the referrerExtensionURL (so they can get back to local code from the UI)
uriParams = '?allowInternetAccess=truee&contentInjectionMode=serviceworker';
uriParams += '&referrerExtensionURL=' + encodeURIComponent(params.referrerExtensionURL);
}
if (navigator && navigator.serviceWorker) {
console.debug('Deregistering Service Workers...');
var cnt = 0;
navigator.serviceWorker.getRegistrations().then(function (registrations) {
if (!registrations.length) {
reboot();
return;
}
cnt++;
registrations.forEach(function (registration) {
registration.unregister().then(function () {
cnt--;
if (!cnt) {
console.debug('All Service Workers unregistered...');
reboot();
}
});
});
}).catch(function (err) {
console.error(err);
reboot();
});
} else {
console.debug('Performing app reload...');
reboot();
}
}
export default {
reset: reset,
reloadApp: reloadApp,
getCacheNames: getCacheNames
}

View File

@ -1,10 +1,8 @@
'use strict'; 'use strict';
/* global params, assetsCache */ /* global params */
/* eslint-disable indent */ /* eslint-disable indent */
import uiUtil from './uiUtil.js';
var regexpCookieKeysToMigrate = new RegExp([ var regexpCookieKeysToMigrate = new RegExp([
'contentInjectionMode', 'lastSelectedArchive', 'lastSelectedArchivePath', 'contentInjectionMode', 'lastSelectedArchive', 'lastSelectedArchivePath',
'imageDisplay', 'useMathJax', 'appVersion', 'imageDisplay', 'useMathJax', 'appVersion',
@ -68,157 +66,6 @@ function getBestAvailableStorageAPI () {
return type; return type;
} }
/**
* Performs a full app reset, deleting all caches and settings
* Or, if a parameter is supplied, deletes or disables the object
* @param {String} object Optional name of the object to disable or delete ('cookie', 'localStorage', 'cacheAPI')
*/
function reset (object) {
var performReset = function () {
// 1. Clear any cookie entries
if (!object || object === 'cookie') {
var regexpCookieKeys = /(?:^|;)\s*([^=]+)=([^;]*)/ig;
var currentCookie = document.cookie;
var foundCrumb = false;
var cookieCrumb = regexpCookieKeys.exec(currentCookie);
while (cookieCrumb !== null) {
// DEV: Note that we don't use the keyPrefix in legacy cookie support
foundCrumb = true;
// This expiry date will cause the browser to delete the cookie crumb on next page refresh
document.cookie = cookieCrumb[1] + '=;expires=Thu, 21 Sep 1979 00:00:01 UTC;';
cookieCrumb = regexpCookieKeys.exec(currentCookie);
}
if (foundCrumb) console.debug('All cookie keys were expired...');
}
// 2. Clear any localStorage settings
if (!object || object === 'localStorage') {
if (/localStorage/.test(assetsCache.capability)) {
localStorage.clear();
console.debug('All Local Storage settings were deleted...');
}
}
// 3. Clear any IndexedDB entries
if (!object || object === 'indexedDB') {
if (/indexedDB/.test(assetsCache.capability)) {
window.indexedDB.deleteDatabase(params.indexedDB);
console.debug('All IndexedDB entries were deleted...');
}
}
// 4. Clear any (remaining) Cache API caches
if (!object || object === 'cacheAPI') {
getCacheNames(function (cacheNames) {
if (cacheNames && !cacheNames.error) {
var cnt = 0;
for (var cacheName in cacheNames) {
cnt++;
caches.delete(cacheNames[cacheName]).then(function () {
cnt--;
if (!cnt) {
// All caches deleted
console.debug('All Cache API caches were deleted...');
// Reload if user performed full reset or if appCache is needed
if (!object || params.appCache) _reloadApp();
}
});
}
} else {
console.debug('No Cache API caches were in use (or we do not have access to the names).');
// All operations complete, reload if user performed full reset or if appCache is needed
if (!object || params.appCache) _reloadApp();
}
});
}
// 5. Clear any Origin Private File System Archives
// DEV: Method is currently behind a flag, so wait till fully implemented
// if (!object || object === 'OPFS') {
// if (navigator && navigator.storage && 'getDirectory' in navigator.storage) {
// navigator.storage.getDirectory().then(function (handle) {
// handle.remove({ recursive: true }).then(function () {
// console.debug('All OPFS archives were deleted...');
// });
// });
// }
// }
};
// If no specific object was specified, we are doing a general reset, so ask user for confirmation
if (object) performReset();
else {
uiUtil.systemAlert('<p><b>WARNING:</b> This will reset the app to a freshly installed state, deleting all app caches,' +
// ' <b>Archives stored in the Private File System</b>,' +
' and settings! (Archives stored in the OPFS will be preserved.)<b></p><p>Make sure you have an Internet connection</b>' +
' if this is an offline PWA, because it will be erased and reloaded.</p>', 'Warning!', true).then(function (confirm) {
if (confirm) performReset();
else console.debug('User cancelled');
});
}
}
// Gets cache names from Service Worker, as we cannot rely on having them in params.cacheNames
function getCacheNames (callback) {
if (navigator.serviceWorker && navigator.serviceWorker.controller) {
var channel = new MessageChannel();
channel.port1.onmessage = function (event) {
var names = event.data;
callback(names);
};
navigator.serviceWorker.controller.postMessage({
action: 'getCacheNames'
}, [channel.port2]);
} else {
callback(null);
}
}
// Deregisters all Service Workers and reboots the app
function _reloadApp () {
var reboot = function () {
// Temporarily disable the beforeunload event listener
params.interceptBeforeUnload = false;
console.debug('Performing app reload...');
setTimeout(function () {
window.location.href = location.origin + location.pathname + uriParams
}, 600);
};
// Blank the querystring, so that parameters are not set on reload
var uriParams = '';
if (~window.location.href.indexOf(params.PWAServer) && params.referrerExtensionURL) {
// However, if we're in a PWA that was called from local code, then by definition we must remain in SW mode and we need to
// ensure the user still has access to the referrerExtensionURL (so they can get back to local code from the UI)
uriParams = '?allowInternetAccess=truee&contentInjectionMode=serviceworker';
uriParams += '&referrerExtensionURL=' + encodeURIComponent(params.referrerExtensionURL);
}
if (navigator && navigator.serviceWorker) {
console.debug('Deregistering Service Workers...');
var cnt = 0;
navigator.serviceWorker.getRegistrations().then(function (registrations) {
if (!registrations.length) {
reboot();
return;
}
cnt++;
registrations.forEach(function (registration) {
registration.unregister().then(function () {
cnt--;
if (!cnt) {
console.debug('All Service Workers unregistered...');
reboot();
}
});
});
}).catch(function (err) {
console.error(err);
reboot();
});
} else {
console.debug('Performing app reload...');
reboot();
}
}
var settingsStore = { var settingsStore = {
getItem: function (sKey) { getItem: function (sKey) {
if (!sKey) { if (!sKey) {
@ -309,7 +156,5 @@ export default {
setItem: settingsStore.setItem, setItem: settingsStore.setItem,
removeItem: settingsStore.removeItem, removeItem: settingsStore.removeItem,
hasItem: settingsStore.hasItem, hasItem: settingsStore.hasItem,
getCacheNames: getCacheNames,
reset: reset,
getBestAvailableStorageAPI: getBestAvailableStorageAPI getBestAvailableStorageAPI: getBestAvailableStorageAPI
}; };