115 lines
3.0 KiB
JavaScript
115 lines
3.0 KiB
JavaScript
"use strict";
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const Handlebars = require("handlebars/runtime");
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const URI = require("urijs");
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const parseStyle = require("./ircmessageparser/parseStyle");
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const findChannels = require("./ircmessageparser/findChannels");
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const merge = require("./ircmessageparser/merge");
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const commonSchemes = [
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"http", "https",
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"ftp", "sftp",
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"smb", "file",
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"irc", "ircs",
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"svn", "git",
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"steam", "mumble", "ts3server",
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"svn+ssh", "ssh",
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];
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function findLinks(text) {
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let result = [];
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let lastPosition = 0;
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URI.withinString(text, function(url, start, end) {
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// v-- fix: url was modified and does not match input string -> cant be mapped
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if (text.indexOf(url, lastPosition) < 0) {
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return;
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}
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// ^-- /fix: url was modified and does not match input string -> cant be mapped
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// v-- fix: use prefered scheme
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const parsed = URI(url);
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const parsedScheme = parsed.scheme().toLowerCase();
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const matchedScheme = commonSchemes.find(scheme => parsedScheme.endsWith(scheme));
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if (matchedScheme) {
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const prefix = parsedScheme.length - matchedScheme.length;
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start += prefix;
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url = url.slice(prefix);
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}
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// ^-- /fix: use prefered scheme
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// URL matched, but does not start with a protocol, add it
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if (!parsedScheme.length) {
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url = "http://" + url;
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}
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result.push({
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start: start,
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end: end,
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link: url
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});
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});
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return result;
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}
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function createFragment(fragment) {
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let className = "";
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if (fragment.bold) {
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className += " irc-bold";
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}
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if (fragment.textColor !== undefined) {
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className += " irc-fg" + fragment.textColor;
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}
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if (fragment.bgColor !== undefined) {
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className += " irc-bg" + fragment.bgColor;
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}
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if (fragment.italic) {
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className += " irc-italic";
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}
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if (fragment.underline) {
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className += " irc-underline";
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}
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const escapedText = Handlebars.Utils.escapeExpression(fragment.text);
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if (className) {
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return "<span class='" + className.trim() + "'>" + escapedText + "</span>";
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}
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return escapedText;
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}
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module.exports = function parse(text) {
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const styleFragments = parseStyle(text);
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const cleanText = styleFragments.map(fragment => fragment.text).join("");
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const channelPrefixes = ["#", "&"]; // RPL_ISUPPORT.CHANTYPES
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const userModes = ["!", "@", "%", "+"]; // RPL_ISUPPORT.PREFIX
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const channelParts = findChannels(cleanText, channelPrefixes, userModes);
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const linkParts = findLinks(cleanText);
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const parts = channelParts
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.concat(linkParts)
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.sort((a, b) => a.start - b.start);
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return merge(parts, styleFragments).map(textPart => {
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const fragments = textPart.fragments.map(createFragment).join("");
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if (textPart.link) {
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const escapedLink = Handlebars.Utils.escapeExpression(textPart.link);
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return (
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"<a href='" + escapedLink + "' target='_blank' rel='noopener'>" +
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fragments +
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"</a>");
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} else if (textPart.channel) {
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const escapedChannel = Handlebars.Utils.escapeExpression(textPart.channel);
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return (
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"<span class='inline-channel' role='button' tabindex='0' data-chan='" + escapedChannel + "'>" +
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fragments +
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"</span>");
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}
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return fragments;
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}).join("");
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};
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