LocalCDN-Firefox-Chrome-Brave/modules/internal/helpers.js

325 lines
7.6 KiB
JavaScript

/**
* Internal Helper Module
* Belongs to LocalCDN (since 2020-02-26)
* (Origin: Decentraleyes)
*
* @author Thomas Rientjes
* @since 2017-10-26
*
* @author nobody
* @since 2020-02-26
*
* @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';
/**
* Helpers
*/
let helpers = {};
/**
* Public Methods
*/
helpers.insertI18nContentIntoDocument = function (document) {
let scriptDirection, i18nElements, translationComplete;
translationComplete = true;
scriptDirection = helpers.determineScriptDirection(navigator.language);
i18nElements = document.querySelectorAll('[data-i18n-content]');
i18nElements.forEach(function (i18nElement) {
let i18nMessageName = i18nElement.getAttribute('data-i18n-content');
if (chrome.i18n.getMessage(i18nMessageName) !== '') {
if (i18nElement.type === 'button') {
i18nElement.value = chrome.i18n.getMessage(i18nMessageName);
} else {
i18nElement.textContent = chrome.i18n.getMessage(i18nMessageName);
}
i18nElement.setAttribute('dir', scriptDirection);
} else {
translationComplete = false;
}
});
return translationComplete;
};
helpers.insertI18nTitlesIntoDocument = function (document) {
let scriptDirection, i18nElements;
scriptDirection = helpers.determineScriptDirection(navigator.language);
i18nElements = document.querySelectorAll('[data-i18n-title]');
i18nElements.forEach(function (i18nElement) {
let i18nMessageName = i18nElement.getAttribute('data-i18n-title');
i18nElement.setAttribute('title', chrome.i18n.getMessage(i18nMessageName));
i18nElement.setAttribute('dir', scriptDirection);
});
};
helpers.languageIsFullySupported = function (language) {
let languageSupported, supportedLanguages;
languageSupported = false;
supportedLanguages = [
'ar',
'bg',
'ca',
'cs',
'da',
'de',
'el',
'en',
'en_CA',
'en_US',
'eo',
'es',
'et',
'fa',
'fi',
'fr',
'he',
'hr',
'hu',
'id',
'is',
'it',
'ja',
'kn',
'ko',
'lb',
'lt',
'ml',
'nb_NO',
'nl',
'pl',
'pt',
'pt_BR',
'pt_PT',
'ro',
'ru',
'sco',
'si',
'sk',
'sl',
'sr',
'sv',
'te',
'tl',
'tr',
'uk',
'vi',
'zh_Hans',
'zh_Hant'
];
for (let supportedLanguage of supportedLanguages) {
if (language.search(supportedLanguage) !== -1) {
languageSupported = true;
}
}
return languageSupported;
};
helpers.normalizeDomain = function (domain) {
return domain.toLowerCase().trim();
};
helpers.extractDomainFromUrl = function (url, normalize) {
if ((/^(?!(http[s]?|file):\/\/).*/).test(url)) {
return null;
}
let extractedDomain;
try {
extractedDomain = new URL(url).host;
} catch (exception) {
extractedDomain = null;
}
if (url.startsWith(Address.CHROME)) {
extractedDomain = null;
}
if (extractedDomain === '') {
extractedDomain = null;
}
if (extractedDomain !== null && normalize === true) {
extractedDomain = helpers.normalizeDomain(extractedDomain);
}
return extractedDomain;
};
helpers.getWildcard = function (initiatorDomain) {
let domain = initiatorDomain.split('.');
if (domain.length > 2) {
domain[0] = '*';
domain = domain.join().replace(/,/g, '.');
return domain;
}
};
helpers.getTopLevelDomain = function (initiatorDomain) {
let domain = initiatorDomain.split('.');
domain[domain.length - 2] = '*';
return `${domain[domain.length - 2]}.${domain[domain.length - 1]}`;
};
helpers.checkAllowlisted = function (domain, list) {
if (!domain) return false;
const subdomains = helpers.getAllSubdomains(domain);
for (const subdomain of subdomains) {
if (list[subdomain]) return true;
}
return false;
};
helpers.getAllSubdomains = function (domain) {
const parts = domain.split('.').reverse();
const subdomains = [];
let currentSubdomain = '';
for (const part of parts) {
currentSubdomain = part + (currentSubdomain ? `.${currentSubdomain}` : '');
subdomains.push(`*.${currentSubdomain}`);
subdomains.push(currentSubdomain);
}
return subdomains;
};
helpers.extractFilenameFromPath = function (path) {
let pathSegments, filename;
pathSegments = path.split('/');
filename = pathSegments[pathSegments.length - 1];
return filename === '' ? pathSegments[1] : filename;
};
helpers.generateRandomHexString = function (length) {
let randomValues, randomHexString;
randomValues = crypto.getRandomValues(new Uint8Array(length));
randomHexString = '';
for (let value of randomValues) {
// eslint-disable-next-line no-bitwise
let hexValue = (0 ^ (value & (15 >> (0 / 4)))).toString(16);
randomHexString += hexValue;
}
return randomHexString;
};
helpers.determineCdnName = function (domainName) {
return CDNs[domainName] || 'Unknown';
};
helpers.determineScriptDirection = function (language) {
let rightToLeftLanguages, scriptDirection;
rightToLeftLanguages = ['ar', 'he'];
if (rightToLeftLanguages.indexOf(language) === -1) {
scriptDirection = 'ltr';
} else {
scriptDirection = 'rtl';
}
return scriptDirection;
};
helpers.determineActiveTab = function () {
return new Promise((resolve) => {
let opt = {
'active': true,
'currentWindow': true
};
chrome.tabs.query(opt, function (tabs) {
if (tabs[0]) {
resolve(tabs[0]);
} else {
opt = {'active': true};
chrome.tabs.query(opt, function () {
resolve(tabs[0]);
});
}
});
});
};
helpers.formatNumber = function (number) {
if (typeof number === 'number') {
return number.toLocaleString();
}
};
helpers.formatFilename = function (targetPath) {
if (targetPath.startsWith('resources/element-ui/')) {
targetPath = targetPath.toLowerCase();
if (!targetPath.endsWith('.min.jsm')) {
targetPath = targetPath.replace('.jsm', '.min.jsm');
}
}
return targetPath;
};
helpers.compareVersion = function (v1, v2) {
/**
* compareVersion( '1.5.7' , '1.5.8' ) is FALSE
* compareVersion( '1.5.8' , '1.5.7' ) is TRUE
* compareVersion( '1.5.7' , '1.5.7' ) is TRUE
*/
v1 = v1.split('.');
v2 = v2.split('.');
const k = Math.min(v1.length, v2.length);
for (let i = 0; i < k; ++i) {
v1[i] = parseInt(v1[i], 10);
v2[i] = parseInt(v2[i], 10);
if (v1[i] > v2[i]) {
return true;
}
if (v1[i] < v2[i]) {
return false;
}
}
return v1.length === v2.length ? true : v1.length < v2.length ? false : true;
};
helpers.isGoogleDomain = function (initiatorDomain) {
let parts = initiatorDomain.split('.');
// remove subdomains if exist
if (parts.length > 2) {
parts.shift();
}
return GoogleDomains[parts.join('.')] || false;
};