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Installation Instructions

Requirements

• WordPress version 1.5 and later.
• PHP 5.2 or later.
• Single or Multisite installation.

On PHP-CGI setups:
— mod_setenvif or mod_rewrite (if you want to user HTTP authentication for feeds).

Installation

1. Unzip the downloaded package.
2. Upload folder include the file to the /wp-content/plugins/ directory.
3. Activate the plugin through the Plugins menu in WordPress.

or use the installer via the back end of WordPress.

On PHP-CGI setups

If you want to use HTTP authentication for feeds (available since 1.1.0 as an optional feature) you have to update your .htaccess file. If mod_setenvif is available, add the following line to your .htaccess:

SetEnvIfNoCase ^Authorization$ "(.+)" HTTP_AUTHORIZATION=$1

Otherwise you need mod_rewrite to be enabled. In this case you have to add the following line to your .htaccess:

RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]

In a typical WordPress .htaccess it all looks like:

<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteBase /
    RewriteRule ^index\.php$ - [L]
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
    RewriteRule . /index.php [L]
</IfModule>

On a multisite installation:

# BEGIN WordPress
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]

# uploaded files
RewriteRule ^files/(.+) wp-includes/ms-files.php?file=$1 [L]

RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^ - [L]

RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
RewriteRule . index.php [L]
# END WordPress

Settings

You can change the settings of Authenticator in Settings → Reading. The settings refer to the behavior of your blog’s feeds. They can be protected by HTTP authentication (not all feed readers support this) or by an authentication token which is added to your feed URL as a parameter. The third option is to keep everything in place. So feed URLs will be redirected to the login page if the user is not logged in (send no auth-cookie).

If you using token authentication, you can show the token to the blog users on their profile settings page by setting this option.

HTTP Auth

Users can gain access to the feed with their username and password.

Token Auth

The plugin will generate a token automatically when choosing this option. Copy this token and share it with the people who should have access to your feed. If your token is ef05aa961a0c10dce006284213727730 the feed URLs look like so:

# Main feed
https://example.com/feed/?ef05aa961a0c10dce006284213727730

# Main comment feed
https://example.com/comments/feed/?ef05aa961a0c10dce006284213727730

# Without permalinks
https://example.com/?feed=rss2&ef05aa961a0c10dce006284213727730

API

Filters

• authenticator_get_options gives you access to the current authentication token:

  <?php
  $authenticator_options = apply_filters( ‘authenticator_get_options’, array() );

• authenticator_bypass gives you the possibility to completely bypass the authentication. No authentication will be required then.

  <?php
  add_filter( ‘authenticator_bypass’, ‘__return_true’ );

• authenticator_bypass_feed_auth gives you the possibility to open the feeds for everyone. No authentication will be required then.

  <?php
  add_filter( ‘authenticator_bypass_feed_auth’, ‘__return_true’ );

• authenticator_exclude_pagenows Pass an array of $GLOBALS[ 'pagenow' ] values to it, to exclude several WordPress pages from redirecting to the login page.

• authenticator_exclude_ajax_actions AJAX-Actions (independend of _nopriv) which should not be authenticated (remain open for everyone)

• authenticator_exclude_posts List of post-titles which should remain public, like the follow example source to public the ‘Contact’-page.

  <?php
  add_action( 'plugins_loaded', function() {
      add_filter( 'authenticator_exclude_posts', function( $titles ) {
          $titles[] = 'Contact'; // here goes the post-title of the post/page you want to exclude
          return $titles;
      } );
  } );