Created
January 2, 2012 21:41
-
-
Save hakre/1552239 to your computer and use it in GitHub Desktop.
Wordpress login to download uploaded files
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<?php | |
/* | |
* dl-file.php | |
* | |
* Protect uploaded files with login. | |
* | |
* @link http://wordpress.stackexchange.com/questions/37144/protect-wordpress-uploads-if-user-is-not-logged-in | |
* | |
* @author hakre <http://hakre.wordpress.com/> | |
* @license GPL-3.0+ | |
* @registry SPDX | |
*/ | |
require_once('wp-load.php'); | |
is_user_logged_in() || auth_redirect(); | |
list($basedir) = array_values(array_intersect_key(wp_upload_dir(), array('basedir' => 1)))+array(NULL); | |
$file = rtrim($basedir,'/').'/'.str_replace('..', '', isset($_GET[ 'file' ])?$_GET[ 'file' ]:''); | |
if (!$basedir || !is_file($file)) { | |
status_header(404); | |
die('404 — File not found.'); | |
} | |
$mime = wp_check_filetype($file); | |
if( false === $mime[ 'type' ] && function_exists( 'mime_content_type' ) ) | |
$mime[ 'type' ] = mime_content_type( $file ); | |
if( $mime[ 'type' ] ) | |
$mimetype = $mime[ 'type' ]; | |
else | |
$mimetype = 'image/' . substr( $file, strrpos( $file, '.' ) + 1 ); | |
header( 'Content-Type: ' . $mimetype ); // always send this | |
if ( false === strpos( $_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS' ) ) | |
header( 'Content-Length: ' . filesize( $file ) ); | |
$last_modified = gmdate( 'D, d M Y H:i:s', filemtime( $file ) ); | |
$etag = '"' . md5( $last_modified ) . '"'; | |
header( "Last-Modified: $last_modified GMT" ); | |
header( 'ETag: ' . $etag ); | |
header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', time() + 100000000 ) . ' GMT' ); | |
// Support for Conditional GET | |
$client_etag = isset( $_SERVER['HTTP_IF_NONE_MATCH'] ) ? stripslashes( $_SERVER['HTTP_IF_NONE_MATCH'] ) : false; | |
if( ! isset( $_SERVER['HTTP_IF_MODIFIED_SINCE'] ) ) | |
$_SERVER['HTTP_IF_MODIFIED_SINCE'] = false; | |
$client_last_modified = trim( $_SERVER['HTTP_IF_MODIFIED_SINCE'] ); | |
// If string is empty, return 0. If not, attempt to parse into a timestamp | |
$client_modified_timestamp = $client_last_modified ? strtotime( $client_last_modified ) : 0; | |
// Make a timestamp for our most recent modification... | |
$modified_timestamp = strtotime($last_modified); | |
if ( ( $client_last_modified && $client_etag ) | |
? ( ( $client_modified_timestamp >= $modified_timestamp) && ( $client_etag == $etag ) ) | |
: ( ( $client_modified_timestamp >= $modified_timestamp) || ( $client_etag == $etag ) ) | |
) { | |
status_header( 304 ); | |
exit; | |
} | |
// If we made it this far, just serve the file | |
readfile( $file ); |
I can't get this to work with my Wordpress site.
The redirect to Login works fine but when displaying the image it shows a blank file
I can't get this to work with my Wordpress site. The redirect to Login works fine but when displaying the image it shows a blank file
The problem was an unwanted blank line at the first of file.
Add these codes before the last line(67):
ob_clean();
flush();
I used this thread and a couple of other sources to implement a "media access control" solution for WordPress. My code draws on what I learned from this gist, so I want to share what I made. I'm a novice PHP developer and would love feedback and suggestions from this community! wp-mac, a Media Access Control solution for WordPress sites
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
I have no clue why this doesn't work:
.htaccess:
Then the normal dl-file.php but with this on top:
This somehow only works for .jpe files. I tried a .jpg, .jpeg, .doc file and they are not triggered by the RewriteRule. Why?