mirror of
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109 lines
2.9 KiB
JavaScript
109 lines
2.9 KiB
JavaScript
const { rtrimSlashes } = require('./path-utils');
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const { urlDecode } = require('./string-utils');
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const urlUtils = {};
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urlUtils.hash = function(url) {
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const s = url.split('#');
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if (s.length <= 1) return '';
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return s[s.length - 1];
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};
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urlUtils.urlWithoutPath = function(url) {
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const parsed = require('url').parse(url, true);
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return `${parsed.protocol}//${parsed.host}`;
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};
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urlUtils.urlProtocol = function(url) {
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if (!url) return '';
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const parsed = require('url').parse(url, true);
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return parsed.protocol;
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};
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urlUtils.prependBaseUrl = function(url, baseUrl) {
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baseUrl = rtrimSlashes(baseUrl).trim(); // All the code below assumes that the baseUrl does not end up with a slash
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url = url.trim();
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if (!url) url = '';
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if (!baseUrl) return url;
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if (url.indexOf('#') === 0) return url; // Don't prepend if it's a local anchor
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if (urlUtils.urlProtocol(url)) return url; // Don't prepend the base URL if the URL already has a scheme
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if (url.length >= 2 && url.indexOf('//') === 0) {
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// If it starts with // it's a protcol-relative URL
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return urlUtils.urlProtocol(baseUrl) + url;
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} else if (url && url[0] === '/') {
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// If it starts with a slash, it's an absolute URL so it should be relative to the domain (and not to the full baseUrl)
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return urlUtils.urlWithoutPath(baseUrl) + url;
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} else {
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return baseUrl + (url ? `/${url}` : '');
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}
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};
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const resourceRegex = /^(joplin:\/\/|:\/)([0-9a-zA-Z]{32})(|#[^\s]*)(|\s".*?")$/;
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urlUtils.isResourceUrl = function(url) {
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return !!url.match(resourceRegex);
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};
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urlUtils.parseResourceUrl = function(url) {
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if (!urlUtils.isResourceUrl(url)) return null;
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const match = url.match(resourceRegex);
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const itemId = match[2];
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let hash = match[3].trim();
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// In general we want the hash to be decoded so that non-alphabetical languages
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// appear as-is without being encoded with %.
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// Fixes https://github.com/laurent22/joplin/issues/1870
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if (hash) hash = urlDecode(hash.substr(1)); // Remove the first #
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return {
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itemId: itemId,
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hash: hash,
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};
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};
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urlUtils.extractResourceUrls = function(text) {
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const markdownLinksRE = /\]\((.*?)\)/g;
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const output = [];
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let result = null;
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while ((result = markdownLinksRE.exec(text)) !== null) {
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const resourceUrlInfo = urlUtils.parseResourceUrl(result[1]);
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if (resourceUrlInfo) output.push(resourceUrlInfo);
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}
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const htmlRegexes = [
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/<img[\s\S]*?src=["']:\/([a-zA-Z0-9]{32})["'][\s\S]*?>/gi,
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/<a[\s\S]*?href=["']:\/([a-zA-Z0-9]{32})["'][\s\S]*?>/gi,
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];
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for (const htmlRegex of htmlRegexes) {
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while (true) {
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const m = htmlRegex.exec(text);
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if (!m) break;
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output.push({ itemId: m[1], hash: '' });
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}
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}
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return output;
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};
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urlUtils.objectToQueryString = function(query) {
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if (!query) return '';
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let queryString = '';
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const s = [];
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for (const k in query) {
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if (!query.hasOwnProperty(k)) continue;
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s.push(`${encodeURIComponent(k)}=${encodeURIComponent(query[k])}`);
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}
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queryString = s.join('&');
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return queryString;
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};
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module.exports = urlUtils;
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