dongyinglan8707
2018-01-16 15:49
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CodeIgniter3 - 存储PDF文件的位置？

I ma using CodeIgniter3 to build projects. However I am not sure where is the best place to store generated PDF files. I do not want to keep them in MySQL due to its size.

I do not want people to access direct links like: http://mydomain/pdf/file.pdf but I would like to give this kind of access for codeigniter logged users.

What is the best way to do that?

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我使用CodeIgniter3来构建项目。 但是我不知道存储生成的PDF文件的最佳位置在哪里 。 由于它的大小，我不想让它们保留在MySQL中。

我不希望人们访问直接链接，如： http：//mydomain/pdf/file.pdf 但我想为codeigniter登录的用户提供这种访问权限。 \ n

最好的方法是什么？

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2条回答 默认 最新

  • dongxian6653 2018-01-16 20:01
    已采纳

    1. Create site/pdf_files/.htaccess file and add this line:

      Deny from all

    2. Make router config as follows

      /*
 anything in second segment of pdf controller will be routed to
 index method 

 serve file like : 
 http://example.com/pdf/myfile.pdf
*/
$route['pdf/(:any)'] = "pdf/index/$1";

/*
 Note: if you got some more methods in same controller prefer below one
 because, with above one, anything in second segment will be routed to 
 index method  

 $route['pdf/display/(:any)'] = "pdf/index/$1";

 and serve files like
 http://example.com/pdf/display/myfile.pdf
*/

    3. and then while serving pdf to user prefer codeigniter file helper like below

      class Pdf extends CI_Controller
{

function download_file($path, $name)
{
  // make sure it's a file before doing anything!
  if(is_file($path))
  {

    // get the file mime type using the file extension
    $this->load->helper('file');

    header('Content-Type: '.get_mime_by_extension($path));  
    header('Content-Disposition: attachment; filename="'.basename($name).'"');  // Add the file name
    header('Content-Transfer-Encoding: binary');
    header('Content-Length: '.filesize($path)); // provide file size
    header('Connection: close');
    readfile($path); 
    die();
  }
}

 public function index($file)
 {
    // here you check whether user logged in or not

     $this->download_file('pdf_files/'.$file, $file);
 }
}
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  • donglu5235 2018-01-16 16:02

    Store the PDF outside of your document root in a location that's not public.

    You can use application logic to allow logged in users to view/access:

    class pdf extends ci_controller{

     public function view()
     {
        //check if user is logged in and has permission to view
        //set proper header information
        //readfile('non_public_path\to\pdf);
     }

}

    As long as your pdf is outside of your public directories - sending a request to domain.com/pdf/view will only render the pdf if the user is logged in and has permissions to view.

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