如何从PHP中的加密PDF中提取标题？ [英] How can I extract the title from an encrypted PDF in PHP?

问题描述

如何在Linux上使用PHP从加密（写保护的，不受密码保护的）PDF文件中提取标题？使用外部库或二进制文件可以。 Zen_PDF没有工作（异常：不支持加密文档修改）也没有libextract（ title =pdf.pdf的文件名）

How can I extract the title from an encrypted (write protected, not password protected) PDF file using PHP on Linux? Usage of external libraries or binaries are OK. Zen_PDF did not work (Exception: Encrypted document modification is not supported) nor did libextract (title="filename of pdf.pdf")

推荐答案

如果你使用* nix，你试过 XPDF ？

If you're using *nix, have you tried XPDF?

有一篇博客文章这里关于某人如何将其用于他们的客户 - 无论是什么帮助我'不确定。

There is a blog post here about how someone has used it for a customer of their's - whether it will be of any help I'm unsure.

编辑：似乎有一些代码这里可以帮助 - 一个简单的类读取PDF到明文。不确定是否支持解密。

There seems to be some code here that could help - a simple class that reads a PDF into plaintext. Unsure if it supports decryption.

EDIT2： PHP文档中还有一些资源可能会帮助您。 点击。

There are also a number of resources in PHP documentation that may help you. Click.

EDIT3： FPDF 和 FPDI 也可能有帮助。可能是一些研究后你最好的选择。

FPDF and FPDI may also help. Probably your best bet after some research.

这篇关于如何从PHP中的加密PDF中提取标题？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！