encryption - HTTP 发布 : getting encrypted Paypal multiple-item cart upload button

Question

我在使用 BMCreateButton 时遇到问题的 Button Manager API 以获取上传的多项目购物车。 paypal里面documentation for the cart upload command ，关于“保护你的按钮”的段落暗示应该可以获得上面列出的所有功能的加密按钮，包括购物车上传表单。而在 this SO thread ，有人说他们已经用 PHP 解决了这个问题，但是经过查找，他们使用简单的 HTTP Post 并不明显，因为它与 PHP 类的内部工作有关。

到目前为止，我只能查看一项，并且在尝试使用多项语法(item_name_1、item_name_2...)时显示没有项目，总计 0.00。

这是我的请求代码:

string requestContent =
  "METHOD=BMCreateButton" +
  "&VERSION=85.0" +
  "&USER=<user>" +
  "&PWD=<pwd>" +
  "&SIGNATURE=<sig>" +
  "&BUTTONCODE=ENCRYPTED" +
  "&BUTTONTYPE=BUYNOW" +
  "&BUTTONIMAGE=reg" +
  "&BUTTONCOUNTRY=US" +
  "&BUTTONSUBTYPE=PRODUCTS" +

  //"&L_BUTTONVAR1=cmd%3D_cart" + //having this in here definitely causes an error message to display
  "&L_BUTTONVAR1=button_subtype%3DPRODUCTS" +
  "&L_BUTTONVAR2=business%3Dbiz%40biz.com" +
  "&L_BUTTONVAR3=item_name_1%3DToaster" +
  "&L_BUTTONVAR4=amount_1%3D45.00" +
  "&L_BUTTONVAR5=quantity_1%3D1" +
  "&L_BUTTONVAR6=upload%3D1";

它不起作用 - 我已经询问了 PayPal 技术支持，如果我从他们那里听到关于这个主题的任何回复，我会回复这里。

Answer 1

我遇到了同样的问题，但由于没有任何进展，我联系了 PayPal 支持。 There is the answer :

如果链接失效，有引用回复:

It's not only with ENCRYPTED. If you try CLEARTEXT, the same error is thrown.

Upload cart is a slightly different kind of button, that was never intended to be pre-built, and that's why this functionality doesn't exist in BMCreateButton. If you compare the Button Manager in the account and the API functionality - they have the same capabilities and, in both cases, the upload cart isn't there.

Looking at the documentation, you will also notice the BUTTONTYPE=CART refers to Add to cart.

It makes perfect sense to try to secure the upload cart code, but the best way will always be post-transaction consistency verification (with IPN).

所以综上所述，不可能对其进行加密，我们只能检测篡改，例如使用 IPN。

在对我的问题的回应中，PayPal 版主提出了一个问题以在文档中澄清这一点。