DweebUI/controllers/dashboard.js

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import { Readable } from 'stream';
import { Permission, User } from '../database/models.js';
import { docker } from '../server.js';
import { dockerContainerStats } from 'systeminformation';
import { readFileSync } from 'fs';
import { currentLoad, mem, networkStats, fsSize } from 'systeminformation';
import { Op } from 'sequelize';
let hidden = '';
let alert = '';
let [ cardList, newCards, stats ] = [ '', '', {}];
let [ports_data, volumes_data, env_data, label_data] = [[], [], [], []];
// The page
export const Dashboard = (req, res) => {
let name = req.session.user;
let role = req.session.role;
alert = req.session.alert;
res.render("dashboard", {
name: name,
avatar: name.charAt(0).toUpperCase(),
role: role,
alert: alert,
});
}
// The page actions
export const DashboardAction = async (req, res) => {
let name = req.header('hx-trigger-name');
let value = req.header('hx-trigger');
let action = req.params.action;
let modal = '';
switch (action) {
case 'permissions':
let title = name.charAt(0).toUpperCase() + name.slice(1);
let permissions_list = '';
let permissions_modal = readFileSync('./views/modals/permissions.html', 'utf8');
permissions_modal = permissions_modal.replace(/PermissionsTitle/g, title);
permissions_modal = permissions_modal.replace(/PermissionsContainer/g, name);
let users = await User.findAll({ attributes: ['username', 'UUID']});
for (let i = 0; i < users.length; i++) {
let user_permissions = readFileSync('./views/partials/user_permissions.html', 'utf8');
let exists = await Permission.findOne({ where: {containerName: name, user: users[i].username}});
if (!exists) { const newPermission = await Permission.create({ containerName: name, user: users[i].username, userID: users[i].UUID}); }
let permissions = await Permission.findOne({ where: {containerName: name, user: users[i].username}});
if (permissions.uninstall == true) { user_permissions = user_permissions.replace(/data-UninstallCheck/g, 'checked'); }
if (permissions.edit == true) { user_permissions = user_permissions.replace(/data-EditCheck/g, 'checked'); }
if (permissions.upgrade == true) { user_permissions = user_permissions.replace(/data-UpgradeCheck/g, 'checked'); }
if (permissions.start == true) { user_permissions = user_permissions.replace(/data-StartCheck/g, 'checked'); }
if (permissions.stop == true) { user_permissions = user_permissions.replace(/data-StopCheck/g, 'checked'); }
if (permissions.pause == true) { user_permissions = user_permissions.replace(/data-PauseCheck/g, 'checked'); }
if (permissions.restart == true) { user_permissions = user_permissions.replace(/data-RestartCheck/g, 'checked'); }
if (permissions.logs == true) { user_permissions = user_permissions.replace(/data-LogsCheck/g, 'checked'); }
if (permissions.view == true) { user_permissions = user_permissions.replace(/data-ViewCheck/g, 'checked'); }
user_permissions = user_permissions.replace(/EntryNumber/g, i);
user_permissions = user_permissions.replace(/EntryNumber/g, i);
user_permissions = user_permissions.replace(/EntryNumber/g, i);
user_permissions = user_permissions.replace(/PermissionsUsername/g, users[i].username);
user_permissions = user_permissions.replace(/PermissionsUsername/g, users[i].username);
user_permissions = user_permissions.replace(/PermissionsUsername/g, users[i].username);
user_permissions = user_permissions.replace(/PermissionsContainer/g, name);
user_permissions = user_permissions.replace(/PermissionsContainer/g, name);
user_permissions = user_permissions.replace(/PermissionsContainer/g, name);
permissions_list += user_permissions;
}
permissions_modal = permissions_modal.replace(/PermissionsList/g, permissions_list);
res.send(permissions_modal);
return;
case 'uninstall':
modal = readFileSync('./views/modals/uninstall.html', 'utf8');
modal = modal.replace(/AppName/g, name);
res.send(modal);
return;
case 'details':
modal = readFileSync('./views/modals/details.html', 'utf8');
let details = await containerInfo(name);
modal = modal.replace(/AppName/g, details.name);
modal = modal.replace(/AppImage/g, details.image);
for (let i = 0; i <= 6; i++) {
modal = modal.replaceAll(`Port${i}Check`, details.ports[i]?.check || '');
modal = modal.replaceAll(`Port${i}External`, details.ports[i]?.external || '');
modal = modal.replaceAll(`Port${i}Internal`, details.ports[i]?.internal || '');
modal = modal.replaceAll(`Port${i}Protocol`, details.ports[i]?.protocol || '');
}
for (let i = 0; i <= 6; i++) {
modal = modal.replaceAll(`Vol${i}Source`, details.volumes[i]?.Source || '');
modal = modal.replaceAll(`Vol${i}Destination`, details.volumes[i]?.Destination || '');
modal = modal.replaceAll(`Vol${i}RW`, details.volumes[i]?.RW || '');
}
for (let i = 0; i <= 19; i++) {
modal = modal.replaceAll(`Label${i}Key`, Object.keys(details.labels)[i] || '');
modal = modal.replaceAll(`Label${i}Value`, Object.values(details.labels)[i] || '');
}
// console.log(details.env);
for (let i = 0; i <= 19; i++) {
modal = modal.replaceAll(`Env${i}Key`, details.env[i]?.split('=')[0] || '');
modal = modal.replaceAll(`Env${i}Value`, details.env[i]?.split('=')[1] || '');
}
res.send(modal);
return;
case 'updates':
res.send(newCards);
newCards = '';
return;
case 'card':
await userCards(req.session);
if (!req.session.container_list.find(c => c.container === name)) {
res.send('');
return;
} else {
let details = await containerInfo(name);
let card = await createCard(details);
res.send(card);
return;
}
case 'logs':
let logString = '';
let options = { follow: true, stdout: true, stderr: false, timestamps: false };
docker.getContainer(name).logs(options, function (err, stream) {
if (err) { console.log(err); return; }
const readableStream = Readable.from(stream);
readableStream.on('data', function (chunk) {
logString += chunk.toString('utf8');
});
readableStream.on('end', function () {
res.send(`<pre>${logString}</pre>`);
});
});
return;
case 'hide':
let user = req.session.user;
let exists = await Permission.findOne({ where: {containerName: name, user: user}});
if (!exists) { const newPermission = await Permission.create({ containerName: name, user: user, hide: true, userID: req.session.UUID}); }
else { exists.update({ hide: true }); }
hidden = await Permission.findAll({ where: {user: user, hide: true}}, { attributes: ['containerName'] });
hidden = hidden.map((container) => container.containerName);
res.send("ok");
return;
case 'reset':
await Permission.update({ hide: false }, { where: { user: req.session.user } });
res.send("ok");
return;
case 'alert':
req.session.alert = '';
res.send('');
return;
}
function status (state) {
return(`<span class="text-yellow align-items-center lh-1"><svg xmlns="http://www.w3.org/2000/svg" class="icon-tabler icon-tabler-point-filled" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"> <path stroke="none" d="M0 0h24v24H0z" fill="none"></path> <path d="M12 7a5 5 0 1 1 -4.995 5.217l-.005 -.217l.005 -.217a5 5 0 0 1 4.995 -4.783z" stroke-width="0" fill="currentColor"></path></svg>
${state}
</span>`);
}
// Container actions
if ((action == 'start') && (value == 'stopped')) {
docker.getContainer(name).start();
res.send(status('starting'));
} else if ((action == 'start') && (value == 'paused')) {
docker.getContainer(name).unpause();
res.send(status('starting'));
} else if ((action == 'stop') && (value != 'stopped')) {
docker.getContainer(name).stop();
res.send(status('stopping'));
} else if ((action == 'pause') && (value == 'paused')) {
docker.getContainer(name).unpause();
res.send(status('starting'));
} else if ((action == 'pause') && (value == 'running')) {
docker.getContainer(name).pause();
res.send(status('pausing'));
} else if (action == 'restart') {
docker.getContainer(name).restart();
res.send(status('restarting'));
}
}
async function containerInfo (containerName) {
// get the container info
let container = docker.getContainer(containerName);
let info = await container.inspect();
let image = info.Config.Image;
// grab the service name from the end of the image name
let service = image.split('/').pop();
// remove the tag from the service name if it exists
try { service = service.split(':')[0]; } catch {}
let ports_list = [];
let external = 0;
let internal = 0;
try {
for (const [key, value] of Object.entries(info.HostConfig.PortBindings)) {
let ports = {
check: 'checked',
external: value[0].HostPort,
internal: key.split('/')[0],
protocol: key.split('/')[1]
}
ports_list.push(ports);
}
} catch {}
try {
external = ports_list[0].external;
internal = ports_list[0].internal;
} catch {}
// console.log(ports_list);
// console.log(info.HostConfig.PortBindings);
// console.log(info.HostConfig.Binds);
// console.log(info.Config.Env);
// console.log(info.Config.Labels);
let details = {
name: containerName,
image: image,
service: service,
state: info.State.Status,
external_port: external,
internal_port: internal,
ports: ports_list,
volumes: info.Mounts,
env: info.Config.Env,
labels: info.Config.Labels,
link: 'localhost',
}
return details;
}
async function createCard (details) {
let shortname = details.name.slice(0, 10) + '...';
let trigger = 'data-hx-trigger="load, every 3s"';
let state = details.state;
let card = readFileSync('./views/partials/containerFull.html', 'utf8');
let state_color = '';
switch (state) {
case 'running':
state_color = 'green';
break;
case 'exited':
state = 'stopped';
state_color = 'red';
trigger = 'data-hx-trigger="load"';
break;
case 'paused':
state_color = 'orange';
trigger = 'data-hx-trigger="load"';
break;
case 'installing':
state_color = 'blue';
trigger = 'data-hx-trigger="load"';
break;
}
// if (name.startsWith('dweebui')) { disable = 'disabled=""'; }
card = card.replace(/AppName/g, details.name);
card = card.replace(/AppShortName/g, shortname);
card = card.replace(/AppIcon/g, details.service);
card = card.replace(/AppState/g, state);
card = card.replace(/StateColor/g, state_color);
card = card.replace(/ExternalPort/g, details.external_port);
card = card.replace(/InternalPort/g, details.internal_port);
card = card.replace(/ChartName/g, details.name.replace(/-/g, ''));
card = card.replace(/AppNameState/g, `${details.name}State`);
card = card.replace(/data-trigger=""/, trigger);
return card;
}
async function userCards (session) {
session.container_list = [];
// check what containers the user wants hidden
let hidden = await Permission.findAll({ where: {user: session.user, hide: true}}, { attributes: ['containerName'] });
hidden = hidden.map((container) => container.containerName);
// check what containers the user has permission to view
let visable = await Permission.findAll({ where: { user: session.user, [Op.or]: [{ uninstall: true }, { edit: true }, { upgrade: true }, { start: true }, { stop: true }, { pause: true }, { restart: true }, { logs: true }, { view: true }] } });
visable = visable.map((container) => container.containerName);
// get all containers
let containers = await docker.listContainers({ all: true });
// loop through containers
for (let i = 0; i < containers.length; i++) {
let container_name = containers[i].Names[0].replace('/', '');
// skip hidden containers
if (hidden.includes(container_name)) { continue; }
// admin can see all containers that they don't have hidden
if (session.role == 'admin') { session.container_list.push({ container: container_name, state: containers[i].State }); }
// user can see any containers that they have any permissions for
else if (visable.includes(container_name)){ session.container_list.push({ container: container_name, state: containers[i].State }); }
}
// create a sent list if it doesn't exist
if (!session.sent_list) { session.sent_list = []; }
if (!session.update_list) { session.update_list = []; }
if (!session.new_cards) { session.new_cards = []; }
}
async function updateDashboard (session) {
let container_list = session.container_list;
let sent_list = session.sent_list;
session.new_cards = [];
session.update_list = [];
// loop through the containers list
container_list.forEach(info => {
let { container, state } = info;
let sent = sent_list.find(c => c.container === container);
if (!sent) { session.new_cards.push(container);}
else if (sent.state !== state) { session.update_list.push(container); }
});
// loop through the sent list to see if any containers have been removed
sent_list.forEach(info => {
let { container } = info;
let exists = container_list.find(c => c.container === container);
if (!exists) { session.update_list.push(container); }
});
}
// HTMX server-side events
export const SSE = async (req, res) => {
// set the headers for server-sent events
res.writeHead(200, { 'Content-Type': 'text/event-stream', 'Cache-Control': 'no-cache', 'Connection': 'keep-alive' });
// check for container changes every 500ms
let eventCheck = setInterval(async () => {
await userCards(req.session);
// check if the cards displayed are the same as what's in the session
if ((JSON.stringify(req.session.container_list) === JSON.stringify(req.session.sent_list))) { return; }
await updateDashboard(req.session);
for (let i = 0; i < req.session.new_cards.length; i++) {
let details = await containerInfo(req.session.new_cards[i]);
let card = await createCard(details);
newCards += card;
req.session.alert = '';
}
for (let i = 0; i < req.session.update_list.length; i++) {
res.write(`event: ${req.session.update_list[i]}\n`);
res.write(`data: 'update cards'\n\n`);
}
res.write(`event: update\n`);
res.write(`data: 'update cards'\n\n`);
req.session.sent_list = req.session.container_list.slice();
}, 500);
req.on('close', () => {
clearInterval(eventCheck);
});
};
// Server metrics (CPU, RAM, TX, RX, DISK)
export const Stats = async (req, res) => {
let name = req.header('hx-trigger-name');
let color = req.header('hx-trigger');
let value = 0;
switch (name) {
case 'CPU':
await currentLoad().then(data => { value = Math.round(data.currentLoad); });
break;
case 'RAM':
await mem().then(data => { value = Math.round((data.active / data.total) * 100); });
break;
case 'NET':
let [down, up, percent] = [0, 0, 0];
await networkStats().then(data => { down = Math.round(data[0].rx_bytes / (1024 * 1024)); up = Math.round(data[0].tx_bytes / (1024 * 1024)); percent = Math.round((down / 1000) * 100); });
let net = `<div class="font-weight-medium"><label class="cpu-text mb-1">Down:${down}MB Up:${up}MB</label></div>
<div class="cpu-bar meter animate ${color}"><span style="width:20%"><span></span></span></div>`;
res.send(net);
return;
case 'DISK':
await fsSize().then(data => { value = data[0].use; });
break;
}
let info = `<div class="font-weight-medium"> <label class="cpu-text mb-1">${name} ${value}%</label></div>
<div class="cpu-bar meter animate ${color}"> <span style="width:${value}%"><span></span></span> </div>`;
res.send(info);
}
// Imported by utils/install.js
export async function addAlert (session, type, message) {
session.alert = `<div class="alert alert-${type} alert-dismissible py-2 mb-0" role="alert" id="alert">
<div class="d-flex">
<div class="spinner-border text-info nav-link">
<span class="visually-hidden">Loading...</span>
</div>
<div>
  ${message}
</div>
</div>
<button class="btn-close" data-hx-post="/dashboard/alert" data-hx-trigger="click" data-hx-target="#alert" data-hx-swap="outerHTML" style="padding-top: 0.5rem;" ></button>
</div>`;
}
export const UpdatePermissions = async (req, res) => {
let { user, container, reset_permissions } = req.body;
let id = req.header('hx-trigger');
if (reset_permissions) {
await Permission.update({ uninstall: false, edit: false, upgrade: false, start: false, stop: false, pause: false, restart: false, logs: false, view: false }, { where: { containerName: container} });
return;
}
await Permission.update({ uninstall: false, edit: false, upgrade: false, start: false, stop: false, pause: false, restart: false, logs: false }, { where: { containerName: container, user: user } });
Object.keys(req.body).forEach(async function(key) {
if (key != 'user' && key != 'container') {
let permissions = req.body[key];
if (permissions.includes('uninstall')) { await Permission.update({ uninstall: true }, { where: {containerName: container, user: user}}); }
if (permissions.includes('edit')) { await Permission.update({ edit: true }, { where: {containerName: container, user: user}}); }
if (permissions.includes('upgrade')) { await Permission.update({ upgrade: true }, { where: {containerName: container, user: user}}); }
if (permissions.includes('start')) { await Permission.update({ start: true }, { where: {containerName: container, user: user}}); }
if (permissions.includes('stop')) { await Permission.update({ stop: true }, { where: {containerName: container, user: user}}); }
if (permissions.includes('pause')) { await Permission.update({ pause: true }, { where: {containerName: container, user: user}}); }
if (permissions.includes('restart')) { await Permission.update({ restart: true }, { where: {containerName: container, user: user}}); }
if (permissions.includes('logs')) { await Permission.update({ logs: true }, { where: {containerName: container, user: user}}); }
if (permissions.includes('view')) { await Permission.update({ view: true }, { where: {containerName: container, user: user}}); }
}
});
if (id == 'submit') {
res.send('<button class="btn" type="button" id="confirmed" hx-post="/updatePermissions" hx-swap="outerHTML" hx-trigger="load delay:2s">Update ✔️</button>');
return;
} else if (id == 'confirmed') {
res.send('<button class="btn" type="button" id="submit" hx-post="/updatePermissions" hx-vals="#updatePermissions" hx-swap="outerHTML">Update </button>');
return;
}
}
// Container charts
export const Chart = async (req, res) => {
let name = req.header('hx-trigger-name');
if (!stats[name]) { stats[name] = { cpuArray: Array(15).fill(0), ramArray: Array(15).fill(0) }; }
const info = await dockerContainerStats(name);
stats[name].cpuArray.push(Math.round(info[0].cpuPercent));
stats[name].ramArray.push(Math.round(info[0].memPercent));
stats[name].cpuArray = stats[name].cpuArray.slice(-15);
stats[name].ramArray = stats[name].ramArray.slice(-15);
let chart = `
<script>
${name}chart.updateSeries([{
data: [${stats[name].cpuArray}]
}, {
data: [${stats[name].ramArray}]
}])
</script>`
res.send(chart);
}