PHP从其他受密码保护的服务器下载文件 [英] PHP Downloading a file from a different password protected server

问题描述

我正在构建一个允许用户下载一些pdf文件的应用程序，但是这些文件存储在另一台受密码保护的服务器上，密码是已知的。
是将这些文件传递给用户的最佳方法。

I am building an application that will allow users to download some pdf files, but these files are stored on a different server which is password protected, the password is known. What is the best way to pass these files on to the user.

MyAppIP/applicationfiles.php
FilesIP/PDF-Files/file1.pdf <-- this is password protected, but I know the pass.

我正在考虑先将文件保存在自己的服务器上，因为文件的最大大小为100kb。然后将它们传递给用户并再次删除本地文件，但是我还没有完全弄清楚如何首先从其他服务器获取文件。

那么如何从目录中获取文件。

I was thinking on saving the files on my own server first since they have a maximum size of 100kb. Then passing them to the user and deleting the local file again, but I haven't completely figured out how to obtain the file from the other server in the first place.
So how do I obtain files from the different server in php?

推荐答案

您可以使用CURL从受保护的服务器下载文件。 CURL还支持许多授权方法。 http://www.php.net/manual/zh/function.curl -setopt.php

You can use CURL for download file from protected server. CURL also support many authorization methods. http://www.php.net/manual/en/function.curl-setopt.php

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'FilesIP/PDF-Files/file1.pdf');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_USERPWD, "Login:Password");
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
$file = curl_exec($ch);
curl_close($ch);

file_put_contents('/var/www/file.pdf', $file);

// return download link to user
// <a href="file.pdf">Download</a>

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