presenton/servers/nextjs/app/api/read-file/route.ts

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1.4 KiB
TypeScript

import { NextResponse } from 'next/server';
import fs from 'fs';
import path from 'path';
import { sanitizeFilename } from '@/app/(presentation-generator)/utils/others';
export async function POST(request: Request) {
try {
const { filePath } = await request.json();
const sanitizedFilePath = sanitizeFilename(filePath);
const normalizedPath = path.normalize(sanitizedFilePath);
const allowedBaseDirs = [
process.env.APP_DATA_DIRECTORY || '/app/user_data',
process.env.TEMP_DIRECTORY || '/tmp',
'/app/user_data'
];
const resolvedPath = fs.realpathSync(path.resolve(normalizedPath));
const isPathAllowed = allowedBaseDirs.some(baseDir => {
const resolvedBaseDir = fs.realpathSync(path.resolve(baseDir));
return resolvedPath.startsWith(resolvedBaseDir + path.sep) || resolvedPath === resolvedBaseDir;
});
if (!isPathAllowed) {
console.error('Unauthorized file access attempt:', resolvedPath);
return NextResponse.json(
{ error: 'Access denied: File path not allowed' },
{ status: 403 }
);
}
const content= fs.readFileSync(resolvedPath, 'utf-8');
return NextResponse.json({ content });
} catch (error) {
console.error('Error reading file:', error);
return NextResponse.json(
{ error: 'Failed to read file' },
{ status: 500 }
);
}
}