Secure Invites

With this plugin, access to the login page is prohibited if not coming from a link sent through an invitation.

Users can send out invitation, while the admin has the possibility to track which one of them has sent the most.

Installation:

Unpack and upload it to the /wp-content/plugins/ directory.
Activate the plugin through the 'Plugins' menu in WordPress.

Features:

• Restrict the ability to invite people to users who have been registered only for a certain number of days or more
• View the number of invites sent and resulting signups per month
• View the users who have sent the most invites, and the number of resulting signups
• Browse all invitations sent (auto paginated)
• Change the default email text
• Set after how many days an invitation will expire
• Works with different locations of signup page (default: /wp-signup.php)
• Set the message to show if someone tries to sign up with no valid invitation
• Turn off security on signup form, allowing anyone to sign up (this does not affect the ability to invite people)

What is new in this release:

• Fixed incorrect casing of $current_user->id - changed to $current_user->ID.

What is new in version 1.1.4.1:

• Added ability to increase number of available invites for all users who have had an invite limit set.
• Put reason for invite button not showing on the main settings page (this was a regularly-reported bug).
• Fixed bug which showed invite reports to non-admin users.
• Fixed divide by zero bug when viewing an individual users invite report.

What is new in version 1.1.2:

• Allowed site administrators to invite no matter what the other settings are.
• Added new preset for only allowing administrators to invite people.
• Fixed bug with is_user_logged_in() function.
• Added facility for administrators to send bulk invites.

What is new in version 0.7:

• Disabled invite form if site registrations have been disabled (thanks to Mark of http://of-cour.se/ for the suggestion) 0.6 Added limit to the number of invitations a user can send, added secure_invite_form() function for display in a theme page, added deletion of invites for site admins, cleaned up the architecture

Requirements:

• WordPress 2.7 or higher