TeaWeb/shared/js/MessageFormatter.tsx
2020-07-17 23:56:20 +02:00

465 lines
No EOL
19 KiB
TypeScript

import {Settings, settings} from "tc-shared/settings";
import * as contextmenu from "tc-shared/ui/elements/ContextMenu";
import {spawn_context_menu} from "tc-shared/ui/elements/ContextMenu";
import {copy_to_clipboard} from "tc-shared/utils/helpers";
import * as loader from "tc-loader";
import * as image_preview from "./ui/frames/image_preview"
import * as DOMPurify from "dompurify";
import {parse as parseBBCode} from "vendor/xbbcode/parser";
import ReactRenderer from "vendor/xbbcode/renderer/react";
import HTMLRenderer from "vendor/xbbcode/renderer/html";
import TextRenderer from "vendor/xbbcode/renderer/text";
import {ElementRenderer} from "vendor/xbbcode/renderer/base";
import {TagElement, TextElement} from "vendor/xbbcode/elements";
import * as React from "react";
import {XBBCodeRenderer} from "vendor/xbbcode/react";
import * as emojiRegex from "emoji-regex";
import * as hljs from 'highlight.js/lib/core';
import '!style-loader!css-loader!highlight.js/styles/darcula.css';
import {tra} from "tc-shared/i18n/localize";
const emojiRegexInstance = (emojiRegex as any)() as RegExp;
const registerLanguage = (name, language: Promise<any>) => {
language.then(lan => hljs.registerLanguage(name, lan)).catch(error => {
console.warn("Failed to load language %s (%o)", name, error);
});
};
registerLanguage("javascript", import("highlight.js/lib/languages/javascript"));
registerLanguage("actionscript", import("highlight.js/lib/languages/actionscript"));
registerLanguage("armasm", import("highlight.js/lib/languages/armasm"));
registerLanguage("basic", import("highlight.js/lib/languages/basic"));
registerLanguage("c-like", import("highlight.js/lib/languages/c-like"));
registerLanguage("c", import("highlight.js/lib/languages/c"));
registerLanguage("cmake", import("highlight.js/lib/languages/cmake"));
registerLanguage("coffeescript", import("highlight.js/lib/languages/coffeescript"));
registerLanguage("cpp", import("highlight.js/lib/languages/cpp"));
registerLanguage("csharp", import("highlight.js/lib/languages/csharp"));
registerLanguage("css", import("highlight.js/lib/languages/css"));
registerLanguage("dart", import("highlight.js/lib/languages/dart"));
registerLanguage("delphi", import("highlight.js/lib/languages/delphi"));
registerLanguage("dockerfile", import("highlight.js/lib/languages/dockerfile"));
registerLanguage("elixir", import("highlight.js/lib/languages/elixir"));
registerLanguage("erlang", import("highlight.js/lib/languages/erlang"));
registerLanguage("fortran", import("highlight.js/lib/languages/fortran"));
registerLanguage("go", import("highlight.js/lib/languages/go"));
registerLanguage("groovy", import("highlight.js/lib/languages/groovy"));
registerLanguage("ini", import("highlight.js/lib/languages/ini"));
registerLanguage("java", import("highlight.js/lib/languages/java"));
registerLanguage("javascript", import("highlight.js/lib/languages/javascript"));
registerLanguage("json", import("highlight.js/lib/languages/json"));
registerLanguage("kotlin", import("highlight.js/lib/languages/kotlin"));
registerLanguage("latex", import("highlight.js/lib/languages/latex"));
registerLanguage("lua", import("highlight.js/lib/languages/lua"));
registerLanguage("makefile", import("highlight.js/lib/languages/makefile"));
registerLanguage("markdown", import("highlight.js/lib/languages/markdown"));
registerLanguage("mathematica", import("highlight.js/lib/languages/mathematica"));
registerLanguage("matlab", import("highlight.js/lib/languages/matlab"));
registerLanguage("objectivec", import("highlight.js/lib/languages/objectivec"));
registerLanguage("perl", import("highlight.js/lib/languages/perl"));
registerLanguage("php", import("highlight.js/lib/languages/php"));
registerLanguage("plaintext", import("highlight.js/lib/languages/plaintext"));
registerLanguage("powershell", import("highlight.js/lib/languages/powershell"));
registerLanguage("protobuf", import("highlight.js/lib/languages/protobuf"));
registerLanguage("python", import("highlight.js/lib/languages/python"));
registerLanguage("ruby", import("highlight.js/lib/languages/ruby"));
registerLanguage("rust", import("highlight.js/lib/languages/rust"));
registerLanguage("scala", import("highlight.js/lib/languages/scala"));
registerLanguage("shell", import("highlight.js/lib/languages/shell"));
registerLanguage("sql", import("highlight.js/lib/languages/sql"));
registerLanguage("swift", import("highlight.js/lib/languages/swift"));
registerLanguage("typescript", import("highlight.js/lib/languages/typescript"));
registerLanguage("vbnet", import("highlight.js/lib/languages/vbnet"));
registerLanguage("vbscript", import("highlight.js/lib/languages/vbscript"));
registerLanguage("x86asm", import("highlight.js/lib/languages/x86asm"));
registerLanguage("xml", import("highlight.js/lib/languages/xml"));
registerLanguage("yaml", import("highlight.js/lib/languages/yaml"));
const rendererText = new TextRenderer();
const rendererReact = new ReactRenderer();
const rendererHTML = new HTMLRenderer(rendererReact);
export namespace bbcode {
const yt_url_regex = /^((?:https?:)?\/\/)?((?:www|m)\.)?((?:youtube\.com|youtu.be))(\/(?:[\w\-]+\?v=|embed\/|v\/)?)([\w\-]+)(\S+)?$/;
export const allowedBBCodes = [
"b", "big",
"i", "italic",
"u", "underlined",
"s", "strikethrough",
"color",
"url",
"code",
"i-code", "icode",
"sub", "sup",
"size",
"hr", "br",
"left", "l", "center", "c", "right", "r",
"ul", "ol", "list",
"li",
"table",
"tr", "td", "th",
"yt", "youtube",
"img",
"quote"
];
export interface FormatSettings {
is_chat_message?: boolean
}
export function preprocessMessage(message: string, fsettings?: FormatSettings) {
fsettings = fsettings || {};
single_url_parse:
if(fsettings.is_chat_message) {
/* try if its only one url */
const raw_url = message.replace(/\[url(=\S+)?](\S+)\[\/url]/, "$2");
let url: URL;
try {
url = new URL(raw_url);
} catch(error) {
break single_url_parse;
}
single_url_yt:
{
const result = raw_url.match(yt_url_regex);
if(!result) break single_url_yt;
return "[yt]https://www.youtube.com/watch?v=" + result[5] + "[/yt]";
}
single_url_image:
{
const ext_index = url.pathname.lastIndexOf(".");
if(ext_index == -1) break single_url_image;
const ext_name = url.pathname.substr(ext_index + 1).toLowerCase();
if([
"jpeg", "jpg",
"png", "bmp", "gif",
"tiff", "pdf", "svg"
].findIndex(e => e === ext_name) == -1) break single_url_image;
return "[img]" + message + "[/img]";
}
}
return message;
}
export function format(message: string, fsettings?: FormatSettings) : JQuery[] {
message = preprocessMessage(message, fsettings);
const result = parseBBCode(message, {
tag_whitelist: allowedBBCodes
});
let html = result.map(e => rendererHTML.render(e)).join("");
/* FIXME: TODO or remove JQuery renderer
if(settings.static_global(Settings.KEY_CHAT_COLORED_EMOJIES))
html = twemoji.parse(html);
*/
const container = $.spawn("div") as JQuery;
container[0].innerHTML = html;
/* fixup some listeners */
container.find("a")
.attr('target', "_blank")
.on('contextmenu', event => {
if(event.isDefaultPrevented())
return;
event.preventDefault();
spawnUrlContextMenu(event.pageX, event.pageY, $(event.target).attr("href"));
});
container.find("img").on('load', event => load_image(event.target as HTMLImageElement));
return [container.contents() as JQuery];
//return result.root_tag.content.map(e => e.build_html()).map((entry, idx, array) => $.spawn("a").css("display", (idx == 0 ? "inline" : "") + "block").html(entry == "" && idx != 0 ? "&nbsp;" : entry));
}
function spawnUrlContextMenu(pageX: number, pageY: number, target: string) {
contextmenu.spawn_context_menu(pageX, pageY, {
callback: () => {
const win = window.open(target, '_blank');
win.focus();
},
name: tr("Open URL"),
type: contextmenu.MenuEntryType.ENTRY,
icon_class: "client-browse-addon-online"
}, {
callback: () => {
//TODO
},
name: tr("Open URL in Browser"),
type: contextmenu.MenuEntryType.ENTRY,
visible: __build.target === "client" && false // Currently not possible
}, contextmenu.Entry.HR(), {
callback: () => copy_to_clipboard(target),
name: tr("Copy URL to clipboard"),
type: contextmenu.MenuEntryType.ENTRY,
icon_class: "client-copy"
});
}
function load_image(entry: HTMLImageElement) {
if(!entry.hasAttribute("x-image-url"))
return;
const url = decodeURIComponent(entry.getAttribute("x-image-url") || "");
entry.removeAttribute("x-image-url");
let proxiedURL;
try {
const parsedURL = new URL(url);
if(parsedURL.hostname === "cdn.discordapp.com") {
proxiedURL = url;
}
} catch (e) { }
if(!proxiedURL) {
proxiedURL = "https://images.weserv.nl/?url=" + encodeURIComponent(url);
}
entry.onload = undefined;
entry.src = proxiedURL;
const parent = $(entry.parentElement);
parent.on('contextmenu', event => {
contextmenu.spawn_context_menu(event.pageX, event.pageY, {
callback: () => {
const win = window.open(url, '_blank');
win.focus();
},
name: tr("Open image in browser"),
type: contextmenu.MenuEntryType.ENTRY,
icon_class: "client-browse-addon-online"
}, contextmenu.Entry.HR(), {
callback: () => copy_to_clipboard(url),
name: tr("Copy image URL to clipboard"),
type: contextmenu.MenuEntryType.ENTRY,
icon_class: "client-copy"
})
});
parent.css("cursor", "pointer").on('click', () => image_preview.preview_image(proxiedURL, url));
}
loader.register_task(loader.Stage.JAVASCRIPT_INITIALIZING, {
name: "XBBCode code tag init",
function: async () => {
let reactId = 0;
/* override default parser */
rendererReact.registerCustomRenderer(new class extends ElementRenderer<TagElement, React.ReactNode> {
tags(): string | string[] {
return ["code", "icode", "i-code"];
}
render(element: TagElement): React.ReactNode {
const klass = element.tagNormalized != 'code' ? "tag-hljs-inline-code" : "tag-hljs-code";
const language = (element.options || "").replace("\"", "'").toLowerCase();
let lines = rendererText.renderContent(element).join("").split("\n");
if(lines.length > 1) {
if(lines[0].length === 0)
lines = lines.slice(1);
if(lines[lines.length - 1]?.length === 0)
lines = lines.slice(0, lines.length - 1);
}
let result: HighlightJSResult;
const detectedLanguage = hljs.getLanguage(language);
if(detectedLanguage)
result = hljs.highlight(detectedLanguage.name, lines.join("\n"), true);
else
result = hljs.highlightAuto(lines.join("\n"));
return (
<pre key={"er-" + ++reactId} className={klass}>
<code
className={"hljs"}
title={tra("{} code", result.language || tr("general"))}
dangerouslySetInnerHTML={{
__html: DOMPurify.sanitize(result.value)
}}
onContextMenu={event => {
event.preventDefault();
spawn_context_menu(event.pageX, event.pageY, {
callback: () => copy_to_clipboard(lines.join("\n")),
name: tr("Copy code"),
type: contextmenu.MenuEntryType.ENTRY,
icon_class: "client-copy"
});
}}
/>
</pre>
);
}
});
const regexUrl = /^(?:[a-zA-Z]{1,16}):(?:\/{1,3}|\\)[-a-zA-Z0-9:;,@#%&()~_?+=\/\\.]*$/g;
rendererReact.registerCustomRenderer(new class extends ElementRenderer<TagElement, React.ReactNode> {
render(element: TagElement, renderer: ReactRenderer): React.ReactNode {
let target;
if (!element.options)
target = rendererText.render(element);
else
target = element.options;
regexUrl.lastIndex = 0;
if (!regexUrl.test(target))
target = '#';
/* TODO: Implement client URLs */
return <a key={"er-" + ++reactId} className={"xbbcode xbbcode-tag-url"} href={target} target={"_blank"} onContextMenu={event => {
event.preventDefault();
spawnUrlContextMenu(event.pageX, event.pageY, target);
}}>
{renderer.renderContent(element)}
</a>;
}
tags(): string | string[] {
return "url";
}
});
const regexImage = /^(?:https?):(?:\/{1,3}|\\)[-a-zA-Z0-9:;,@#%&()~_?+=\/\\.]*$/g;
rendererReact.registerCustomRenderer(new class extends ElementRenderer<TagElement, React.ReactNode> {
tags(): string | string[] {
return ["img", "image"];
}
render(element: TagElement): React.ReactNode {
let target;
let content = rendererText.render(element);
if (!element.options) {
target = content;
} else
target = element.options;
regexImage.lastIndex = 0;
if (!regexImage.test(target))
return <React.Fragment key={"er-" + ++reactId}>{"[img]" + content + "[/img]"}</React.Fragment>;
return (
<div key={"er-" + ++reactId} className={"xbbcode-tag-img"}>
<img src={"img/loading_image.svg"} onLoad={event => load_image(event.currentTarget)} x-image-url={encodeURIComponent(target)} title={target} alt={target} />
</div>
);
}
});
function toCodePoint(unicodeSurrogates) {
let r = [],
c = 0,
p = 0,
i = 0;
while (i < unicodeSurrogates.length) {
c = unicodeSurrogates.charCodeAt(i++);
if (p) {
r.push((0x10000 + ((p - 0xD800) << 10) + (c - 0xDC00)).toString(16));
p = 0;
} else if (0xD800 <= c && c <= 0xDBFF) {
p = c;
} else {
r.push(c.toString(16));
}
}
return r.join("-");
}
const U200D = String.fromCharCode(0x200D);
const UFE0Fg = /\uFE0F/g;
function grabTheRightIcon(rawText) {
// if variant is present as \uFE0F
return toCodePoint(rawText.indexOf(U200D) < 0 ?
rawText.replace(UFE0Fg, '') :
rawText
);
}
rendererReact.setTextRenderer(new class extends ElementRenderer<TextElement, React.ReactNode> {
render(element: TextElement, renderer: ReactRenderer): React.ReactNode {
if(!settings.static_global(Settings.KEY_CHAT_COLORED_EMOJIES))
return element.text();
let text = element.text();
emojiRegexInstance.lastIndex = 0;
const result = [];
let lastIndex = 0;
while(true) {
let match = emojiRegexInstance.exec(text);
const rawText = text.substring(lastIndex, match?.index);
if(rawText)
result.push(renderer.renderAsText(rawText, false));
if(!match)
break;
let hash = grabTheRightIcon(match[0]);
result.push(<img key={"er-" + ++reactId} draggable={false} src={"https://twemoji.maxcdn.com/v/12.1.2/72x72/" + hash + ".png"} alt={match[0]} className={"chat-emoji"} />);
lastIndex = match.index + match[0].length;
}
return result;
}
tags(): string | string[] { return undefined; }
});
},
priority: 10
});
}
export const BBCodeChatMessage = (props: { message: string }) => (
<XBBCodeRenderer options={{ tag_whitelist: bbcode.allowedBBCodes }} renderer={rendererReact}>
{bbcode.preprocessMessage(props.message, { is_chat_message: true })}
</XBBCodeRenderer>
);
export function sanitize_text(text: string) : string {
return $(DOMPurify.sanitize("<a>" + text + "</a>", {
})).text();
}
export function formatDate(secs: number) : string {
let years = Math.floor(secs / (60 * 60 * 24 * 365));
let days = Math.floor(secs / (60 * 60 * 24)) % 365;
let hours = Math.floor(secs / (60 * 60)) % 24;
let minutes = Math.floor(secs / 60) % 60;
let seconds = Math.floor(secs % 60);
let result = "";
if(years > 0)
result += years + " " + tr("years") + " ";
if(years > 0 || days > 0)
result += days + " " + tr("days") + " ";
if(years > 0 || days > 0 || hours > 0)
result += hours + " " + tr("hours") + " ";
if(years > 0 || days > 0 || hours > 0 || minutes > 0)
result += minutes + " " + tr("minutes") + " ";
if(years > 0 || days > 0 || hours > 0 || minutes > 0 || seconds > 0)
result += seconds + " " + tr("seconds") + " ";
else
result = tr("now") + " ";
return result.substr(0, result.length - 1);
}