Files
tier-maker/backend/src/routes/share.js

76 lines
3.3 KiB
JavaScript

const express = require('express')
const { findTierListById } = require('../db')
const router = express.Router()
const APP_ORIGIN = (process.env.APP_ORIGIN || 'http://localhost:5173').replace(/\/+$/, '')
const DEFAULT_TITLE = 'Tier Maker | 템플릿으로 쉽게 만드는 티어표'
const DEFAULT_DESCRIPTION = '템플릿과 커스텀 이미지로 티어표를 만들고 저장하고 공유하세요.'
const DEFAULT_IMAGE_URL = `${APP_ORIGIN}/og-card.png`
function escapeHtml(value) {
return String(value || '')
.replace(/&/g, '&')
.replace(/</g, '&lt;')
.replace(/>/g, '&gt;')
.replace(/"/g, '&quot;')
.replace(/'/g, '&#39;')
}
function toAbsoluteUrl(pathname) {
const src = String(pathname || '').trim()
if (!src) return DEFAULT_IMAGE_URL
if (/^https?:\/\//i.test(src)) return src
return `${APP_ORIGIN}${src.startsWith('/') ? src : `/${src}`}`
}
function buildShareHtml({ title, description, imageUrl, shareUrl, appUrl }) {
const safeTitle = escapeHtml(title || DEFAULT_TITLE)
const safeDescription = escapeHtml(description || DEFAULT_DESCRIPTION)
const safeImageUrl = escapeHtml(imageUrl || DEFAULT_IMAGE_URL)
const safeShareUrl = escapeHtml(shareUrl || APP_ORIGIN)
const safeAppUrl = escapeHtml(appUrl || APP_ORIGIN)
return `<!doctype html>
<html lang="ko">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>${safeTitle}</title>
<meta name="description" content="${safeDescription}" />
<link rel="canonical" href="${safeAppUrl}" />
<meta property="og:site_name" content="Tier Maker" />
<meta property="og:locale" content="ko_KR" />
<meta property="og:type" content="website" />
<meta property="og:url" content="${safeShareUrl}" />
<meta property="og:title" content="${safeTitle}" />
<meta property="og:description" content="${safeDescription}" />
<meta property="og:image" content="${safeImageUrl}" />
<meta property="og:image:alt" content="${safeTitle}" />
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:title" content="${safeTitle}" />
<meta name="twitter:description" content="${safeDescription}" />
<meta name="twitter:image" content="${safeImageUrl}" />
<meta http-equiv="refresh" content="0; url=${safeAppUrl}" />
</head>
<body>
<script>window.location.replace(${JSON.stringify(appUrl || APP_ORIGIN)})</script>
</body>
</html>`
}
router.get('/editor/:topicId/:tierListId', async (req, res) => {
const { topicId, tierListId } = req.params
const appUrl = `${APP_ORIGIN}/editor/${encodeURIComponent(topicId)}/${encodeURIComponent(tierListId)}?preview=1`
const shareUrl = `${APP_ORIGIN}${req.originalUrl || `/share/editor/${encodeURIComponent(topicId)}/${encodeURIComponent(tierListId)}`}`
const tierList = await findTierListById(tierListId)
const isPublicMatch = tierList?.isPublic && (tierList.topicSlug === topicId || tierList.topicId === topicId)
const title = isPublicMatch ? tierList.title : DEFAULT_TITLE
const description = isPublicMatch && tierList.description ? tierList.description : DEFAULT_DESCRIPTION
const imageUrl = isPublicMatch ? toAbsoluteUrl(tierList.thumbnailSrc) : DEFAULT_IMAGE_URL
res.type('html').send(buildShareHtml({ title, description, imageUrl, shareUrl, appUrl }))
})
module.exports = router