/
render-html.js
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render-html.js
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'use strict';
let fs = require('fs');
let path = require('path');
let crc = require('crc-32');
let { JSDOM } = require('jsdom');
let linkify = require('linkifyjs/html');
let { root, historicalRoot, rooms, sanitizeRoomName, applyModifications } = require('./utils.js');
const ROOT_SQL_URL = '../_indexes';
const ROOMLIST_JS_SRC = 'render-roomlist.js';
let roomsWithDays = rooms.map(({ room, historical }) => {
let roomJsonDir = path.join(historical ? historicalRoot : root, room);
let days = fs
.readdirSync(roomJsonDir)
.filter((f) => /^[0-9]{4}-[0-9]{2}-[0-9]{2}\.json$/.test(f))
.map((d) => d.replace(/\.json$/, ''))
.sort()
.reverse();
return { room, historical, days };
}).filter(x => x.days.length > 0);
for (let { room, historical, days } of roomsWithDays) {
let roomDir = path.join('logs', 'docs', sanitizeRoomName(room));
fs.mkdirSync(roomDir, { recursive: true });
let roomJsonDir = path.join(historical ? historicalRoot : root, room);
let alreadyDoneHtml = fs
.readdirSync(roomDir)
.filter((f) => /^[0-9]{4}-[0-9]{2}-[0-9]{2}\.html$/.test(f))
.map((d) => d.replace(/\.html$/, ''));
if (!historical) {
alreadyDoneHtml = alreadyDoneHtml
.sort()
.reverse()
.slice(2); // always do at least the last two days
}
let alreadyDone = new Set(alreadyDoneHtml);
let hasSearch = fs.existsSync(path.join('logs', 'docs', '_indexes', sanitizeRoomName(room), 'config.json'));
for (let i = 0; i < days.length; ++i) {
let day = days[i];
if (alreadyDone.has(day)) {
continue;
}
let events = JSON.parse(fs.readFileSync(path.join(roomJsonDir, day + '.json'), 'utf8'));
let prev = i < days.length - 1 ? days[i + 1] : null;
let next = i > 0 ? days[i - 1] : null;
events = applyModifications(events);
let rendered = renderDay(roomsWithDays, room, day, events, prev, next, hasSearch);
if (!room.startsWith('#')) {
// don't postprocess IRC logs
rendered = postprocessHTML(rendered);
}
fs.writeFileSync(path.join(roomDir, day + '.html'), rendered, 'utf8');
}
if (days.length === 0) {
continue;
}
let index = `<!doctype html>
<meta http-equiv="refresh" content="0; URL='${days[0]}'" />
`;
fs.writeFileSync(path.join(roomDir, 'index.html'), index, 'utf8');
// TODO gate this on the SQL existing
fs.writeFileSync(path.join(roomDir, 'search.html'), renderSearch(roomsWithDays, room), 'utf8');
}
if (roomsWithDays.length > 0) {
let indexDir = path.join('logs', 'docs');
fs.mkdirSync(indexDir, { recursive: true });
let index = renderDay(roomsWithDays, 'index', '', [], null, null, false);
fs.writeFileSync(path.join(indexDir, 'index.html'), index, 'utf8');
fs.writeFileSync(path.join(indexDir, ROOMLIST_JS_SRC), makeRoomJs(roomsWithDays), 'utf8');
let resourcesDir = path.join(__dirname, 'resources');
cpr(resourcesDir, indexDir);
}
function cpr(inDir, outDir) {
fs.mkdirSync(outDir, { recursive: true });
for (let file of fs.readdirSync(inDir)) {
if (file.startsWith('.')) {
continue;
}
let inFile = path.join(inDir, file);
let outFile = path.join(outDir, file);
if (fs.lstatSync(inFile).isDirectory()) {
cpr(inFile, outFile);
} else {
fs.copyFileSync(inFile, outFile);
}
}
}
function postprocessHTML(html) {
// this is kind of slow, but extremely convenient
let dom = new JSDOM(html);
let document = dom.window.document;
// fix up mx-reply header, pending a better solution
for (let mx of document.querySelectorAll('mx-reply > blockquote')) {
for (let i = 0; i < 3; ++i) {
let a = mx.firstElementChild;
a.remove();
}
}
// replace matrix.to username links with colored spans
let unameLinks = [...document.querySelectorAll('a')].filter((l) => l.href.startsWith('https://matrix.to/#/@'));
for (let link of unameLinks) {
let uname = link.textContent;
let s = document.createElement('span');
s.append(...link.childNodes);
s.className = getNickClass(uname);
link.replaceWith(s);
}
let result = dom.serialize();
dom.window.close(); // attempt to reclaim memory from jsdom
return result;
}
function renderRoomlistJS(room) {
return room === 'index'
? ''
: `<script>window.room = ${JSON.stringify(room).replace(/</g, '\\x3c')};</script><script src="../${ROOMLIST_JS_SRC}"></script>`;
}
function renderDay(rooms, room, day, events, prev, next, hasSearch) {
let isIndex = room === 'index';
let cssSrc = isIndex ? 'style.css' : '../style.css';
let jsSrc = isIndex ? 'logs.js' : '../logs.js';
return `<!doctype html>
<head>
<title>${room === 'index' ? 'Matrix Logs' : `${room} on ${day}`}</title>
<link rel="stylesheet" href="${cssSrc}">
${renderRoomlistJS(room)}
<script src="${jsSrc}"></script>
</head>
<body><div class="wrapper">
<div class="sidebar">${renderSidebar(rooms, room, day, prev, next)}</div>
<div class="rhs">
${hasSearch ? renderSearchbar(room, false) : ''}
<div class="log"><table id="log-table"><tbody id="log-tbody">
${
events.length > 0
? `
${events.map(renderEvent).join('\n ')}
`
// yes, we're sticking non-tr elements in the tbody
// whatever, it's fine
: room === 'index'
? '[see channel index on the left]'
: '[no messages to display for this date]'
}
</tbody></table></div></div></div></body>
`;
}
function getNickClass(nick) {
// we use the same logic for computing a class for the nick as whitequark: https://github.com/whitequark/irclogger/blob/d04a3e64079074c64d2b43fa79501a6d561b2b83/lib/irclogger/viewer_helpers.rb#L50-L53
let nickClass = (crc.str(nick) % 16) + 1;
if (nickClass <= 0) {
nickClass += 16; // uuuuugh
}
return `nick-${nickClass}`;
}
function renderRoom(room, current) {
return `<li><a href="${current === 'index' ? '' : '../'}${sanitizeRoomName(room)}/"${room === current ? ' class="current-room"' : ''}>${room}</a></li>`;
}
function renderSidebar(rooms, room, day, prev, next) {
let header;
if (room === 'index') {
header = `<div class="title">Channel Index</div><div class="nav"></div>`;
} else {
let prevInner = `<span>prev</span>`;
let nextInner = `<span style="float:right">next</span>`;
header = `
<div class="title">${room}<br>${day}<br><a href="plaintext/">plaintext logs</a></div>
<div class="nav">
${prev == null ? prevInner : `<a href="${prev}" class="nav-link">${prevInner}</a>`}
${next == null ? nextInner : `<a href="${next}" class="nav-link">${nextInner}</a>`}
</div>
`;
}
return `${header}${renderRoomList(rooms, room)}`;
}
function renderRoomList(rooms, room) {
let mainContent = room === 'index'
? renderRawRoomList(rooms, room)
: `<noscript>JavaScript is required to load the channel index, but you can go to <a href="../..">the static index</a> directly.</noscript>`;
return `<div class="all-rooms">${mainContent}</div>
<div class="footer"><a href="https://github.com/bakkot/matrix-archive-bot">source on github</a></div>
`;
}
function renderRawRoomList(rooms, room) {
// someday, partition
let historicalRooms = rooms.filter(r => r.historical).map(r => r.room);
let activeRooms = rooms.filter(r => !r.historical).map(r => r.room);
if (historicalRooms.length === 0) {
return `
<ul class="room-list">
${activeRooms.map(r => renderRoom(r, room)).join('\n')}
</ul>
`;
} else {
return `
<div class="room-list-wrapper">Active:<br>
<ul class="room-list">
${activeRooms.map(r => renderRoom(r, room)).join('\n')}
</ul>
</div>
<br>
<div class="room-list-wrapper">Historical:<br>
<ul class="room-list">
${historicalRooms.map(r => renderRoom(r, room)).join('\n')}
</ul>
</div>
`;
}
}
function renderEvent(event, index) {
let { msgtype } = event.content;
if (msgtype == null) {
// message was deleted
return '';
}
if (msgtype !== 'm.text' && msgtype !== 'm.emote') {
throw new Error('unknown event message type ' + msgtype);
}
let id = `L${index}`;
let date = new Date(event.ts);
let hours = ('' + date.getUTCHours()).padStart(2, '0');
let minutes = ('' + date.getUTCMinutes()).padStart(2, '0');
let full = date.toString();
let ts = `<a class="ts" href="#${id}" alt="${full}">${hours}:${minutes}</a>`;
let { senderName } = event;
let shortNameMatch = senderName.match(/(.*) \(@[^\):\s]+:[^\):\s]+\.[^\):\s]+\)$/);
if (shortNameMatch != null) {
senderName = shortNameMatch[1];
}
let name = `<span class="nick ${getNickClass(senderName)}" title=${escapeForHtml(event.senderId)}>${escapeForHtml(
senderName
)}</span>`;
name = msgtype === 'm.text' ? `<${name}>` : `${name}`;
let contents =
event.content.format === 'org.matrix.custom.html'
? event.content.formatted_body
: escapeForHtml(event.content.body);
contents = linkify(contents, {
className: '',
ignoreTags: ['pre'],
validate: {
email: false,
},
});
return `<tr class="msg" id="${id}"><td class="ts-cell">${ts}</td><td class="nick-cell"><div class="m-ov">${name}</div></td><td class="msg-cell">${contents}</td></tr>`;
}
function escapeForHtml(str) {
return str
.replace(/&/g, '&')
.replace(/</g, '<')
.replace(/>/g, '>')
.replace(/"/g, '"')
.replace(/'/g, ''');
}
function renderSearch(rooms, room) {
return `<!doctype html>
<title>Search ${room}</title>
<link rel="stylesheet" href="../style.css">
<script src="../search-js/search.js"></script>
${renderRoomlistJS(room)}
<script>initSearch(new URL('${ROOT_SQL_URL}/${sanitizeRoomName(room)}/config.json', location))</script>
</head>
<body>
<div class="wrapper">
<div class="sidebar">
<div class="lhs-header"><div class="lhs-header-contents title">Search ${room}</div></div>
${renderRoomList(rooms, room)}
</div>
<div class="rhs">
${renderSearchbar(room, true)}
<div class="log">
<table id="log-table"><tbody id="search-output">
</tbody></table>
<input type="button" id="load-more" class="button" style="display:none" value="Load more">
<div id="thinking" style="display:none">Working...</div>
</div></div></div>
`;
}
function renderSearchbar(room, isActualPage) {
return `<div class="rhs-header">
<span id="error" style="color: red; display:none">error</span>
${isActualPage ? `<select id="sort-order">
<option value="oldest">Oldest first</option>
<option value="newest">Newest first</option>
</select>` : ''}
<input type="text" id="query" size=25 placeholder="Search ${room}">
<a id="search-submit" class="button icon-link" title="Search">
<svg class="icon" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M505 442.7L405.3 343c-4.5-4.5-10.6-7-17-7H372c27.6-35.3 44-79.7 44-128C416 93.1 322.9 0 208 0S0 93.1 0 208s93.1 208 208 208c48.3 0 92.7-16.4 128-44v16.3c0 6.4 2.5 12.5 7 17l99.7 99.7c9.4 9.4 24.6 9.4 33.9 0l28.3-28.3c9.4-9.4 9.4-24.6.1-34zM208 336c-70.7 0-128-57.2-128-128 0-70.7 57.2-128 128-128 70.7 0 128 57.2 128 128 0 70.7-57.2 128-128 128z"></path></svg>
</a>
</div>
`;
}
function makeRoomJs(rooms) {
rooms = rooms.map(x => ({ historical: x.historical, room: x.room }));
return `
"use strict";
let rooms = ${JSON.stringify(rooms).replace(/</g, '\\x3c')};
${sanitizeRoomName}
${renderRoom}
${renderRawRoomList}
addEventListener('DOMContentLoaded', () => {
document.querySelector('.all-rooms').innerHTML = renderRawRoomList(rooms, room);
});
`;
}