31 lines
1.1 KiB
JavaScript
31 lines
1.1 KiB
JavaScript
import { readFile } from 'node:fs/promises'
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import { join } from 'node:path'
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import { getAvatarsDir } from '../../utils/db.js'
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import { requireAuth } from '../../utils/authHelpers.js'
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const MIME = Object.freeze({ jpg: 'image/jpeg', jpeg: 'image/jpeg', png: 'image/png' })
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export default defineEventHandler(async (event) => {
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const user = requireAuth(event)
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if (!user.avatar_path) throw createError({ statusCode: 404, message: 'No avatar' })
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// Validate avatar path to prevent path traversal attacks
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const filename = user.avatar_path
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if (!filename || !/^[a-f0-9-]+\.(?:jpg|jpeg|png)$/i.test(filename)) {
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throw createError({ statusCode: 400, message: 'Invalid avatar path' })
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}
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const path = join(getAvatarsDir(), filename)
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const ext = filename.split('.').pop()?.toLowerCase()
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const mime = MIME[ext] ?? 'application/octet-stream'
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try {
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const buf = await readFile(path)
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setResponseHeader(event, 'Content-Type', mime)
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setResponseHeader(event, 'Cache-Control', 'private, max-age=3600')
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return buf
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}
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catch {
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throw createError({ statusCode: 404, message: 'Avatar not found' })
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}
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})
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