| |
| import { NextRequest, NextResponse } from 'next/server'; |
| import fs from 'fs'; |
| import path from 'path'; |
| import { getDatasetsRoot } from '@/server/settings'; |
|
|
| function isUnderRoot(filepath: string, root: string): boolean { |
| const resolved = path.resolve(filepath); |
| return resolved === root || resolved.startsWith(root + path.sep); |
| } |
|
|
| export async function POST(request: NextRequest) { |
| let body; |
| try { |
| body = await request.json(); |
| } catch { |
| return new NextResponse(null, { status: 499 }); |
| } |
|
|
| if (request.signal.aborted) { |
| return new NextResponse(null, { status: 499 }); |
| } |
|
|
| const { imgPaths } = body as { imgPaths?: string[] }; |
| if (!Array.isArray(imgPaths)) { |
| return NextResponse.json({ error: 'imgPaths must be an array' }, { status: 400 }); |
| } |
|
|
| const allowedDir = await getDatasetsRoot(); |
| const captions: Record<string, string> = {}; |
|
|
| for (const imgPath of imgPaths) { |
| if (typeof imgPath !== 'string') continue; |
| if (!isUnderRoot(imgPath, allowedDir)) continue; |
|
|
| const captionPath = imgPath.replace(/\.[^/.]+$/, '') + '.txt'; |
| try { |
| captions[imgPath] = fs.existsSync(captionPath) ? fs.readFileSync(captionPath, 'utf-8') : ''; |
| } catch { |
| captions[imgPath] = ''; |
| } |
| } |
|
|
| return NextResponse.json({ captions }); |
| } |
|
|
