/**
* 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';
/**
* Constants
*/
const InvalidFile = 'Invalid file!';
/**
* 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 = function () {
return new Promise((resolve) => {
try {
let file = document.getElementById('import-file-picker').files[0];
storageManager._readFile(file)
.then(JSON.parse)
.then(storageManager._validation);
resolve();
} catch (err) {
console.error(`[ LocalCDN ] ${err}`);
alert(err);
}
});
};
/**
* Private Methods
*/
storageManager._handleStorageChanged = function (type) {
if (Setting.STORAGE_TYPE in type) {
if (type.storageType.newValue === 'sync') {
storageManager.type = chrome.storage.sync;
} else {
storageManager.type = chrome.storage.local;
}
}
};
storageManager._readFile = function (file) {
return new Promise((resolve, reject) => {
let reader = new FileReader();
reader.onload = () => {
resolve(reader.result);
};
reader.onerror = reject;
reader.readAsText(file);
});
};
storageManager._validation = function (content) {
let imported = {};
// Delete old keys
if (content.whitelistedDomains !== undefined) {
content.allowlistedDomains = content.whitelistedDomains;
delete content['whitelistedDomains'];
}
// Convert value of notifications
if (content.hideReleaseNotes !== undefined) {
content.updateNotification = content.hideReleaseNotes ? 0 : 2;
delete content['hideReleaseNotes'];
}
// Convert type of updateNotification
if (typeof content.updateNotification === 'string') {
content.updateNotification = parseInt(content.updateNotification);
}
for (const [key, value] of Object.entries(SettingDefaults)) {
// If type the same as default settings
if (typeof value === typeof content[key]) {
if (typeof value === 'object') {
imported[key] = storageManager._validateDomainsAndStatistics(key, content[key]);
} else if (typeof value === 'string') {
imported[key] = storageManager._validateStrings(content[key]);
} else if (typeof value === 'number') {
imported[key] = storageManager._validateNumbers(content[key]);
} else if (typeof value === 'boolean') {
imported[key] = content[key];
}
} else if (content[key] === undefined) {
// Set default if not existing in file
imported[key] = value;
} else {
alert(`${chrome.i18n.getMessage('dialogImportFailed')}\n\n${key}: ${content[key]}`);
throw InvalidFile;
}
}
// set values directly
wrappers.setIcon({'path': imported['selectedIcon']}, 'Enabled');
storageManager.amountInjected = imported['amountInjected'];
storageManager.statistics = imported['internalStatisticsData'];
storageManager.type.set(imported);
alert(chrome.i18n.getMessage('dialogImportSuccessful'));
chrome.tabs.reload();
};
storageManager._validateDomainsAndStatistics = function (type, obj) {
let valid = {};
if (type === 'allowedDomainsGoogleFonts' || type === 'domainsManipulateDOM' || type === 'allowlistedDomains') {
for (const [key, value] of Object.entries(obj)) {
// eslint-disable-next-line no-useless-escape
if ((/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,24}/.test(key) || key === '') && value === true) {
valid[key] = value;
} else {
alert(`${chrome.i18n.getMessage('dialogImportFailed')}: ${key}`);
throw InvalidFile;
}
}
} else if (type === 'internalStatisticsData') {
for (const [date, values] of Object.entries(obj)) {
if (/((2[0-9])[0-9]{2})-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])/.test(date)) {
for (const [types, category] of Object.entries(values)) {
if (types === 'frameworks') {
for (const [name, counter] of Object.entries(category)) {
// eslint-disable-next-line max-len
if (!(/resources\/[0-9a-z.-]+\/((?:\d{1,2}\.){1,3}\d{1,2})?.*\.(css|jsm)/).test(name) && !storageManager._validateNumbers(counter)) {
alert(`${chrome.i18n.getMessage('dialogImportFailed')}: ${name}`);
throw InvalidFile;
}
}
} else if (types === 'cdns') {
for (const [name, counter] of Object.entries(category)) {
// eslint-disable-next-line no-useless-escape, max-len
if (!(/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,24}/).test(name) && !storageManager._validateNumbers(counter)) {
alert(`${chrome.i18n.getMessage('dialogImportFailed')}: ${name}`);
throw InvalidFile;
}
}
} else {
alert(`${chrome.i18n.getMessage('dialogImportFailed')}: ${type}`);
throw InvalidFile;
}
}
} else {
alert(`${chrome.i18n.getMessage('dialogImportFailed')}: ${date}`);
throw InvalidFile;
}
}
valid = obj;
} else {
alert(`${chrome.i18n.getMessage('dialogImportFailed')}: ${type}`);
throw InvalidFile;
}
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;
};
/**
* Initializations
*/
storageManager.data = {};
storageManager.type = chrome.storage.local;
storageManager.amountInjected = 0;
storageManager.statistics = {};
chrome.storage.onChanged.addListener(storageManager._handleStorageChanged);