/**
* Check the purchase to ensure a banned email is not allowed through
*
* @since 2.0
* @return void
*/
function edd_check_purchase_email($valid_data, $posted)
{
$is_banned = false;
$banned = edd_get_banned_emails();
if (empty($banned)) {
return;
}
if (is_user_logged_in()) {
// The user is logged in, check that their account email is not banned
$user_data = get_userdata(get_current_user_id());
if (edd_is_email_banned($user_data->user_email)) {
$is_banned = true;
}
if (edd_is_email_banned($posted['edd_email'])) {
$is_banned = true;
}
} elseif (isset($posted['edd-purchase-var']) && $posted['edd-purchase-var'] == 'needs-to-login') {
// The user is logging in, check that their email is not banned
$user_data = get_user_by('login', $posted['edd_user_login']);
if ($user_data && edd_is_email_banned($user_data->user_email)) {
$is_banned = true;
}
} else {
// Guest purchase, check that the email is not banned
if (edd_is_email_banned($posted['edd_email'])) {
$is_banned = true;
}
}
if ($is_banned) {
// Set an error and give the customer a general error (don't alert them that they were banned)
edd_set_error('email_banned', __('An internal error has occurred, please try again or contact support.', 'easy-digital-downloads'));
}
}
/**
* Display the ban emails tab
*
* @since 2.0
* @return void
*/
function edd_tools_banned_emails_display()
{
do_action('edd_tools_banned_emails_before');
?>
<div class="postbox">
<h3><span><?php
_e('Banned Emails', 'edd');
?>
</span></h3>
<div class="inside">
<p><?php
_e('Emails placed in the box below will not be allowed to make purchases.', 'edd');
?>
</p>
<form method="post" action="<?php
echo admin_url('edit.php?post_type=download&page=edd-tools&tab=general');
?>
">
<p>
<textarea name="banned_emails" rows="10" class="large-text"><?php
echo implode("\n", edd_get_banned_emails());
?>
</textarea>
<span class="description"><?php
_e('Enter emails to disallow, one per line', 'edd');
?>
</span>
</p>
<p>
<input type="hidden" name="edd_action" value="save_banned_emails" />
<?php
wp_nonce_field('edd_banned_emails_nonce', 'edd_banned_emails_nonce');
?>
<?php
submit_button(__('Save', 'edd'), 'secondary', 'submit', false);
?>
</p>
</form>
</div><!-- .inside -->
</div><!-- .postbox -->
<?php
do_action('edd_tools_banned_emails_after');
do_action('edd_tools_after');
}
/**
* Determines if an email is banned
*
* @since 2.0
* @return bool
*/
function edd_is_email_banned($email = '')
{
if (empty($email)) {
return false;
}
$banned_emails = edd_get_banned_emails();
if (!is_array($banned_emails) || empty($banned_emails)) {
return false;
}
foreach ($banned_emails as $banned_email) {
if (is_email($banned_email)) {
$ret = $banned_email == trim($email) ? true : false;
} else {
$ret = stristr(trim($email), $banned_email) ? true : false;
}
if (true === $ret) {
break;
}
}
return apply_filters('edd_is_email_banned', $ret, $email);
}
/**
* Display the ban emails tab
*
* @since 2.0
* @return void
*/
function edd_tools_banned_emails_display()
{
if (!current_user_can('manage_shop_settings')) {
return;
}
do_action('edd_tools_banned_emails_before');
?>
<div class="postbox">
<h3><span><?php
_e('Banned Emails', 'easy-digital-downloads');
?>
</span></h3>
<div class="inside">
<p><?php
_e('Emails placed in the box below will not be allowed to make purchases. To ban an entire domain, enter the domain starting with "@".', 'easy-digital-downloads');
?>
</p>
<form method="post" action="<?php
echo admin_url('edit.php?post_type=download&page=edd-tools&tab=general');
?>
">
<p>
<textarea name="banned_emails" rows="10" class="large-text"><?php
echo implode("\n", edd_get_banned_emails());
?>
</textarea>
<span class="description"><?php
_e('Enter emails and/or domains (starting with @) to disallow, one per line.', 'easy-digital-downloads');
?>
</span>
</p>
<p>
<input type="hidden" name="edd_action" value="save_banned_emails" />
<?php
wp_nonce_field('edd_banned_emails_nonce', 'edd_banned_emails_nonce');
?>
<?php
submit_button(__('Save', 'easy-digital-downloads'), 'secondary', 'submit', false);
?>
</p>
</form>
</div><!-- .inside -->
</div><!-- .postbox -->
<?php
do_action('edd_tools_banned_emails_after');
do_action('edd_tools_after');
}
/**
* Determines if an email is banned
*
* @since 2.0
* @return bool
*/
function edd_is_email_banned($email = '')
{
if (empty($email)) {
return false;
}
$ret = in_array(trim($email), edd_get_banned_emails());
return apply_filters('edd_is_email_banned', $ret, $email);
}