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pigallery2/src/backend/routes/PublicRouter.ts
2023-08-26 00:50:40 +02:00

269 lines
8.1 KiB
TypeScript

import {Express, NextFunction, Request, Response} from 'express';
import * as path from 'path';
import * as fs from 'fs';
import * as ejs from 'ejs';
import {Config} from '../../common/config/private/Config';
import {ProjectPath} from '../ProjectPath';
import {AuthenticationMWs} from '../middlewares/user/AuthenticationMWs';
import {CookieNames} from '../../common/CookieNames';
import {ErrorCodes, ErrorDTO} from '../../common/entities/Error';
import {UserDTO} from '../../common/entities/UserDTO';
import {ServerTimeEntry} from '../middlewares/ServerTimingMWs';
import {ClientConfig, TAGS} from '../../common/config/public/ClientConfig';
import {QueryParams} from '../../common/QueryParams';
import {PhotoProcessing} from '../model/fileprocessing/PhotoProcessing';
declare global {
// eslint-disable-next-line @typescript-eslint/no-namespace
namespace Express {
interface Request {
locale?: string;
localePath?: string;
tpl?: Record<string, any>;
timing?: { [key: string]: ServerTimeEntry };
}
interface Response {
tpl?: Record<string, any>;
}
}
}
export class PublicRouter {
public static route(app: Express): void {
const setLocale = (req: Request, res: Response, next: NextFunction) => {
let selectedLocale = req.locale;
if (req.cookies && req.cookies[CookieNames.lang]) {
if (
Config.Server.languages.indexOf(req.cookies[CookieNames.lang]) !== -1
) {
selectedLocale = req.cookies[CookieNames.lang];
}
}
res.cookie(CookieNames.lang, selectedLocale);
req.localePath = selectedLocale;
next();
};
// index.html should not be cached as it contains template that can change
const renderIndex = (req: Request, res: Response, next: NextFunction) => {
ejs.renderFile(
path.join(ProjectPath.FrontendFolder, req.localePath, 'index.html'),
res.tpl,
(err, str) => {
if (err) {
return next(new ErrorDTO(ErrorCodes.GENERAL_ERROR, err.message));
}
res.send(str);
}
);
};
const redirectToBase = (locale: string) => {
return (req: Request, res: Response) => {
if (Config.Server.languages.indexOf(locale) !== -1) {
res.cookie(CookieNames.lang, locale);
}
res.redirect('/?ln=' + locale);
};
};
const addTPl = (req: Request, res: Response, next: NextFunction) => {
res.tpl = {};
res.tpl.user = null;
if (req.session['user']) {
res.tpl.user = {
id: req.session['user'].id,
name: req.session['user'].name,
csrfToken: req.session['user'].csrfToken,
role: req.session['user'].role,
usedSharingKey: req.session['user'].usedSharingKey,
permissions: req.session['user'].permissions,
} as UserDTO;
if (!res.tpl.user.csrfToken && req.csrfToken) {
res.tpl.user.csrfToken = req.csrfToken();
}
}
const confCopy = Config.toJSON({
attachVolatile: true,
skipTags: {secret: true} as TAGS,
keepTags: {client: true}
}) as unknown as ClientConfig;
// Escaping html tags, like <script></script>
confCopy.Server.customHTMLHead =
confCopy.Server.customHTMLHead
.replace(/&/g, '&amp;')
.replace(/</g, '&lt;')
.replace(/>/g, '&gt;')
.replace(/"/g, '&quot;')
.replace(/'/g, '&#039;');
res.tpl.Config = confCopy;
res.tpl.customHTMLHead = Config.Server.customHTMLHead;
const selectedTheme = Config.Gallery.Themes.availableThemes.find(th => th.name === Config.Gallery.Themes.selectedTheme)?.theme || '';
res.tpl.usedTheme = selectedTheme;
return next();
};
app.use(addTPl);
app.get('/heartbeat', (req: Request, res: Response) => {
res.sendStatus(200);
});
app.get('/manifest.json', (req: Request, res: Response) => {
res.send({
name: Config.Server.applicationTitle,
icons: [
{
src: 'icon_inv.svg',
sizes: '48x48 72x72 96x96 128x128 256x256 512x512',
type: 'image/svg+xml',
purpose: 'any maskable'
},
{
src: 'icon_inv.png',
sizes: '48x48 72x72 96x96 128x128 256x256',
},
],
display: 'standalone',
categories: [
'photo'
],
start_url:
Config.Server.publicUrl === '' ? '.' : Config.Server.publicUrl,
background_color: '#000000',
theme_color: '#000000',
});
});
app.get('/icon.svg', (req: Request, res: Response) => {
res.set('Cache-control', 'public, max-age=31536000');
res.header('Content-Type', 'image/svg+xml');
res.send('<svg xmlns="http://www.w3.org/2000/svg"' +
' viewBox="' + (Config.Server.svgIcon.viewBox || '0 0 512 512') + '">' +
Config.Server.svgIcon.items + '</svg>');
});
app.get('/icon_auto.svg', (req: Request, res: Response) => {
res.set('Cache-control', 'public, max-age=31536000');
res.header('Content-Type', 'image/svg+xml');
res.send('<svg xmlns="http://www.w3.org/2000/svg"' +
' viewBox="' + (Config.Server.svgIcon.viewBox || '0 0 512 512') + '">' +
'<style>' +
' path, circle {' +
' fill: black;' +
' }' +
' @media (prefers-color-scheme: dark) {' +
' path, circle {' +
' fill: white;' +
' }' +
' }' +
' </style>' +
Config.Server.svgIcon.items + '</svg>');
});
app.get('/icon_inv.svg', (req: Request, res: Response) => {
res.set('Cache-control', 'public, max-age=31536000');
res.header('Content-Type', 'image/svg+xml');
res.send('<svg style="fill:white" width="512" height="512" xmlns="http://www.w3.org/2000/svg"' +
' viewBox="' + (Config.Server.svgIcon.viewBox || '0 0 512 512') + '">' +
Config.Server.svgIcon.items + '</svg>');
});
app.get('/icon.png', async (req: Request, res: Response, next: NextFunction) => {
try {
const p = path.join(ProjectPath.TempFolder, '/icon.png');
await PhotoProcessing.renderSVG(Config.Server.svgIcon, p);
res.sendFile(p, {
maxAge: 31536000,
dotfiles: 'allow',
});
} catch (e) {
return next(e);
}
});
app.get('/icon_inv.png', async (req: Request, res: Response, next: NextFunction) => {
try {
const p = path.join(ProjectPath.TempFolder, '/icon_inv.png');
await PhotoProcessing.renderSVG(Config.Server.svgIcon, p, 'white');
res.sendFile(p, {
maxAge: 31536000,
dotfiles: 'allow',
});
} catch (e) {
return next(e);
}
});
app.get(
[
'/',
'/login',
'/gallery*',
'/share/:' + QueryParams.gallery.sharingKey_params,
'/shareLogin',
'/admin',
'/duplicates',
'/faces',
'/albums',
'/search*',
],
AuthenticationMWs.tryAuthenticate,
addTPl, // add template after authentication was successful
setLocale,
renderIndex
);
Config.Server.languages.forEach((l) => {
app.get(
[
'/' + l + '/',
'/' + l + '/login',
'/' + l + '/gallery*',
'/' + l + '/share*',
'/' + l + '/admin',
'/' + l + '/search*',
],
redirectToBase(l)
);
});
const renderFile = (subDir = '') => {
return (req: Request, res: Response) => {
const file = path.join(
ProjectPath.FrontendFolder,
req.localePath,
subDir,
req.params.file
);
if (!fs.existsSync(file)) {
return res.sendStatus(404);
}
res.sendFile(file, {
maxAge: 31536000,
dotfiles: 'allow',
});
};
};
app.get(
'/assets/:file(*)',
setLocale,
AuthenticationMWs.normalizePathParam('file'),
renderFile('assets')
);
app.get(
'/:file',
setLocale,
AuthenticationMWs.normalizePathParam('file'),
renderFile()
);
}
}