共有リンクの権限

curl -i -X PUT 'https://api.box.com/2.0/files/123456789?fields=shared_link' \
    -H 'Content-Type: application/json' \
    -H 'Authorization: Bearer [ACCESS TOKEN]' \
    -d '{
      "shared_link": {
        "permissions": {
          "can_preview": true,
          "can_download": true,
          "can_edit": true
        }
      }
    }'