120 lines
3.7 KiB
TypeScript
120 lines
3.7 KiB
TypeScript
import UrlKnife from 'url-knife';
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import {Settings, settings} from "../settings";
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import {renderMarkdownAsBBCode} from "../text/markdown";
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import {escapeBBCode} from "../text/bbcode";
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import {parseBBCode as parseBBCode} from "vendor/xbbcode/parser";
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import {BBCodeTagElement} from "vendor/xbbcode/elements";
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import {regexImage} from "tc-shared/text/bbcode/image";
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interface UrlKnifeUrl {
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value: {
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url: string,
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},
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area: string,
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index: {
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start: number,
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end: number
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}
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}
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function bbcodeLinkUrls(message: string, ignore: { start: number, end: number }[]) : string {
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const urls: UrlKnifeUrl[] = UrlKnife.TextArea.extractAllUrls(message, {
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'ip_v4' : true,
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'ip_v6' : false,
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'localhost' : false,
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'intranet' : true
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});
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/* we want to go through the urls from the back to the front */
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urls.sort((a, b) => b.index.start - a.index.start);
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outerLoop:
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for(const url of urls) {
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if(ignore.findIndex(range => range.start <= url.index.start && range.end >= url.index.end) !== -1) {
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continue;
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}
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const prefix = message.substr(0, url.index.start);
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const suffix = message.substr(url.index.end);
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const urlPath = message.substring(url.index.start, url.index.end);
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let bbcodeUrl;
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regexImage.lastIndex = 0;
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if (regexImage.test(urlPath)) {
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for(const suffix of [
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".jpeg", ".jpg",
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".png", ".gif", ".tiff",
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".bmp",
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".webp",
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".svg"
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]) {
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if(urlPath.endsWith(suffix)) {
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/* It's an image. Images will be rendered by the client automatically. */
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continue outerLoop;
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}
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}
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}
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let colonIndex = urlPath.indexOf(":");
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if(colonIndex === -1 || colonIndex + 2 >= urlPath.length || urlPath[colonIndex + 1] !== "/" || urlPath[colonIndex + 2] !== "/") {
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bbcodeUrl = "[url=https://" + urlPath + "]" + urlPath + "[/url]";
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} else {
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bbcodeUrl = "[url]" + urlPath + "[/url]";
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}
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message = prefix + bbcodeUrl + suffix;
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}
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return message;
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}
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export function preprocessChatMessageForSend(message: string) : string {
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const parseMarkdown = settings.getValue(Settings.KEY_CHAT_ENABLE_MARKDOWN);
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const escapeBBCodes = !settings.getValue(Settings.KEY_CHAT_ENABLE_BBCODE);
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if(parseMarkdown) {
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message = renderMarkdownAsBBCode(message, text => escapeBBCodes ? escapeBBCode(text) : text);
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} else if(escapeBBCodes) {
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message = escapeBBCode(message);
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}
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if(settings.getValue(Settings.KEY_CHAT_TAG_URLS)) {
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const bbcodeElements = parseBBCode(message, {});
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const noParseRanges: { start: number, end: number }[] = [];
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while(true) {
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const element = bbcodeElements.pop();
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if(!element) {
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break;
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}
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if(!(element instanceof BBCodeTagElement)) {
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continue;
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}
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switch(element.tagType?.tag) {
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case "code":
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case "i-code":
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case "url":
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case "img":
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case "no-parse":
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case "youtube":
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case "quote":
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noParseRanges.push(element.textPosition);
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break;
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default:
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bbcodeElements.push(...element.content);
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break;
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}
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}
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message = bbcodeLinkUrls(message, noParseRanges);
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}
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while(message.endsWith("\n")) {
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message = message.substring(0, message.length - 1);
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}
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return message;
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} |