/** * Storage Manager * Belongs to LocalCDN * * @author nobody * @since 2020-08-28 * * @license MPL 2.0 * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this file, * You can obtain one at http://mozilla.org/MPL/2.0/. */ 'use strict'; /** * Storage Manager */ var storageManager = {}; /** * Public Methods */ storageManager.checkStorageType = function () { chrome.storage.local.get([Setting.STORAGE_TYPE], function (items) { if (items.storageType === 'sync') { storageManager.type = chrome.storage.sync; } else { storageManager.type = chrome.storage.local; } }); }; storageManager.migrateData = function (target) { let storageSource, storageDestination; if (target === 'local') { storageSource = chrome.storage.sync; storageDestination = chrome.storage.local; } else if (target === 'sync') { storageSource = chrome.storage.local; storageDestination = chrome.storage.sync; } else { return; } storageSource.get(null, function (data) { chrome.storage.local.set({ [Setting.AMOUNT_INJECTED]: data.amountInjected, [Setting.INTERNAL_STATISTICS]: data.internalStatistics, [Setting.INTERNAL_STATISTICS_DATA]: data.internalStatisticsData, [Setting.STORAGE_TYPE]: target }); storageDestination.set({ [Setting.ALLOWED_DOMAINS_GOOGLE_FONTS]: data.allowedDomainsGoogleFonts, [Setting.BLOCK_GOOGLE_FONTS]: data.blockGoogleFonts, [Setting.BLOCK_MISSING]: data.blockMissing, [Setting.DISABLE_PREFETCH]: data.disablePrefetch, [Setting.DOMAINS_MANIPULATE_DOM]: data.domainsManipulateDOM, [Setting.LOGGING]: data.logging, [Setting.ENFORCE_STAGING]: data.enforceStaging, [Setting.UPDATE_NOTIFICATION]: data.updateNotification, [Setting.LAST_MAPPING_UPDATE]: data.lastMappingUpdate, [Setting.NEGATE_HTML_FILTER_LIST]: data.negateHtmlFilterList, [Setting.SELECTED_ICON]: data.selectedIcon, [Setting.SHOW_ICON_BADGE]: data.showIconBadge, [Setting.STRIP_METADATA]: data.stripMetadata, [Setting.ALLOWLISTED_DOMAINS]: data.allowlistedDomains, [Setting.XHR_TEST_DOMAIN]: data.xhrTestDomain, [Setting.BADGE_COLOR]: data.badgeColor, [Setting.BADGE_TEXT_COLOR]: data.badgeTextColor }); }); }; storageManager.export = function () { let filename = new Date().toISOString(); filename = filename.substring(0, 10) + '_localcdn_backup.txt'; storageManager.type.get(null, function (items) { delete items['whitelistedDomains']; let element = document.createElement('a'); element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(JSON.stringify(items, null, ' '))); element.setAttribute('download', filename); element.style.display = 'none'; document.body.appendChild(element); element.click(); document.body.removeChild(element); }); }; storageManager.startImportFilePicker = function () { const input = document.getElementById('import-file-picker'); input.value = ''; input.click(); }; storageManager.handleImportFilePicker = async function () { try { let file = document.getElementById('import-file-picker').files[0]; let content = await storageManager._readFileAsync(file); storageManager._validation(JSON.parse(content)); } catch (err) { console.error('[ LocalCDN ] ' + err); } }; /** * Private Methods */ storageManager._handleStorageChanged = function (type) { if (Setting.STORAGE_TYPE in type) { if (type.storageType.newValue === 'sync') { storageManager.type = chrome.storage.sync; } else { storageManager.type = chrome.storage.local; } } }; storageManager._readFileAsync = function (file) { return new Promise((resolve, reject) => { let reader = new FileReader(); reader.onload = () => { resolve(reader.result); }; reader.onerror = reject; reader.readAsText(file); }); }; storageManager._validation = function (content) { let imported = {}; if (Object.keys(content['allowlistedDomains']).length === 0) { content['allowlistedDomains'] = content['whitelistedDomains']; } delete content['whitelistedDomains']; if (typeof content.hideReleaseNotes !== 'undefined') { content.updateNotification = content.hideReleaseNotes ? 0 : 2; delete content['hideReleaseNotes']; } for (const [key, value] of Object.entries(SettingDefaults)) { // If type the same as default settings if (typeof value === typeof content[key]) { if (typeof value === 'object' || value instanceof Object) { imported[key] = storageManager._validateDomainsAndStatistics(key, content[key]); } else if (typeof value === 'string' || value instanceof String) { imported[key] = storageManager._validateStrings(content[key]); } else if (typeof value === 'number' || value instanceof Number) { imported[key] = storageManager._validateNumbers(content[key]); } else if (typeof value === 'boolean' || value instanceof Boolean) { imported[key] = content[key]; } } else if (content[key] === undefined) { // Set default if not existing in file imported[key] = value; } else { alert(chrome.i18n.getMessage('dialogImportFailed')); throw 'Invalid file!'; } } // set values directly wrappers.setIcon({ path: imported['selectedIcon'] }, 'Enabled'); storageManager.amountInjected = imported['amountInjected']; storageManager.statistics = imported['internalStatisticsData']; storageManager.type.set(imported); alert(chrome.i18n.getMessage('dialogImportSuccessful')); chrome.tabs.reload(); }; storageManager._validateDomainsAndStatistics = function (type, obj) { let valid = {}; if (type === 'allowedDomainsGoogleFonts' || type === 'domainsManipulateDOM' || type === 'allowlistedDomains') { for (const [key, value] of Object.entries(obj)) { if ((/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,24}/.test(key) || key === '') && value === true) { valid[key] = value; } else { alert(chrome.i18n.getMessage('dialogImportFailed') + ': ' + key); throw 'Invalid file!'; } } } else if (type === 'internalStatisticsData') { for (const [date, values] of Object.entries(obj)) { if (/((2[0-9])[0-9]{2})-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])/.test(date)) { for (const [types, category] of Object.entries(values)) { if (types === 'frameworks') { for (const [name, counter] of Object.entries(category)) { if (!/resources\/[0-9a-z.-]+\/((?:\d{1,2}\.){1,3}\d{1,2})?.*\.(css|jsm)/.test(name) && !storageManager._validateNumbers(counter)) { alert(chrome.i18n.getMessage('dialogImportFailed') + ': ' + name); throw 'Invalid file!'; } } } else if (types === 'cdns') { for (const [name, counter] of Object.entries(category)) { if (!/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,24}/.test(name) && !storageManager._validateNumbers(counter)) { alert(chrome.i18n.getMessage('dialogImportFailed') + ': ' + name); throw 'Invalid file!'; } } } else { alert(chrome.i18n.getMessage('dialogImportFailed') + ': ' + type); throw 'Invalid file!'; } } } else { alert(chrome.i18n.getMessage('dialogImportFailed') + ': ' + date); throw 'Invalid file!'; } } valid = obj; } else { alert(chrome.i18n.getMessage('dialogImportFailed') + ': ' + type); throw 'Invalid file!'; } return valid; }; storageManager._validateStrings = function (value) { if (/((2[0-9])[0-9]{2})-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])/.test(value)) { return value; } else if (/#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})/.test(value)) { return value; } else if (value === 'Default' || value === 'Light' || value === 'Grey') { return value; } else if (value === 'local' || value === 'sync') { return value; } else if (value === 'decentraleyes.org' || value === 'localcdn.org') { return 'localcdn.org'; } else { return ''; } }; storageManager._validateNumbers = function (value) { return isNaN(value) ? 0 : value; }; storageManager.data = {}; storageManager.type = chrome.storage.local; storageManager.amountInjected = 0; storageManager.statistics = {}; chrome.storage.onChanged.addListener(storageManager._handleStorageChanged);