function process_requests()
{
$settings = $this->get_settings();
do_action('leaky_paywall_before_process_requests', $settings);
$has_subscriber_paid = leaky_paywall_has_user_paid();
if (isset($_REQUEST['issuem-pdf-download'])) {
//Admins or subscribed users can download PDFs
if (current_user_can(apply_filters('leaky_paywall_current_user_can_view_all_content', 'manage_options')) || $has_subscriber_paid) {
leaky_paywall_server_pdf_download($_REQUEST['issuem-pdf-download']);
} else {
$output = '<h3>' . __('Unauthorize PDF Download', 'issuem-leaky-paywall') . '</h3>';
$output .= '<p>' . sprintf(__('You must be <a href="%s">logged in</a> with a valid subscription to download Issue PDFs.', 'issuem-leaky-paywall'), get_page_link($settings['page_for_login'])) . '</p>';
$output .= '<a href="' . get_home_url() . '">' . sprintf(__('back to %s', 'issuem-leak-paywall'), $settings['site_name']) . '</a>';
wp_die(apply_filters('leaky_paywall_unauthorized_pdf_download_output', $output));
}
}
if (is_singular()) {
global $blog_id;
if (is_multisite_premium()) {
$site = '_' . $blog_id;
} else {
$site = '';
}
if (!current_user_can(apply_filters('leaky_paywall_current_user_can_view_all_content', 'manage_options'))) {
//Admins can see it all
// We don't ever want to block the login, subscription
if (!is_page(array($settings['page_for_login'], $settings['page_for_subscription'], $settings['page_for_profile'], $settings['page_for_register']))) {
global $post;
$post_type_id = '';
$restricted_post_type = '';
$is_restricted = false;
$restrictions = leaky_paywall_subscriber_restrictions();
if (empty($restrictions)) {
$restrictions = $settings['restrictions']['post_types'];
}
//default restrictions
if (!empty($restrictions)) {
foreach ($restrictions as $key => $restriction) {
if (is_singular($restriction['post_type'])) {
if (0 <= $restriction['allowed_value']) {
$post_type_id = $key;
$restricted_post_type = $restriction['post_type'];
$is_restricted = true;
break;
}
}
}
}
$level_ids = leaky_paywall_subscriber_current_level_ids();
$visibility = get_post_meta($post->ID, '_issuem_leaky_paywall_visibility', true);
if (false !== $visibility && !empty($visibility['visibility_type']) && 'default' !== $visibility['visibility_type']) {
switch ($visibility['visibility_type']) {
// using trim() == false instead of empty() for older versions of php
// see note on http://php.net/manual/en/function.empty.php
case 'only':
$only = array_intersect($level_ids, $visibility['only_visible']);
if (empty($only)) {
add_filter('the_content', array($this, 'the_content_paywall'), 999);
do_action('leaky_paywall_is_restricted_content');
return;
}
break;
case 'always':
$always = array_intersect($level_ids, $visibility['always_visible']);
if (in_array(-1, $visibility['always_visible']) || !empty($always)) {
//-1 = Everyone
return;
//always visible, don't need process anymore
}
break;
case 'onlyalways':
$onlyalways = array_intersect($level_ids, $visibility['only_always_visible']);
if (empty($onlyalways)) {
add_filter('the_content', array($this, 'the_content_paywall'), 999);
do_action('leaky_paywall_is_restricted_content');
return;
} else {
if (!empty($onlyalways)) {
return;
//always visible, don't need process anymore
}
}
break;
}
}
$is_restricted = apply_filters('leaky_paywall_filter_is_restricted', $is_restricted, $restrictions, $post);
if ($is_restricted) {
switch ($settings['cookie_expiration_interval']) {
case 'hour':
$multiplier = 60 * 60;
//seconds in an hour
break;
case 'day':
$multiplier = 60 * 60 * 24;
//seconds in a day
break;
case 'week':
$multiplier = 60 * 60 * 24 * 7;
//seconds in a week
break;
case 'month':
$multiplier = 60 * 60 * 24 * 7 * 4;
//seconds in a month (4 weeks)
break;
case 'year':
$multiplier = 60 * 60 * 24 * 7 * 52;
//seconds in a year (52 weeks)
break;
}
$expiration = time() + $settings['cookie_expiration'] * $multiplier;
if (!empty($_COOKIE['issuem_lp' . $site])) {
$available_content = maybe_unserialize(stripslashes($_COOKIE['issuem_lp' . $site]));
}
if (empty($available_content[$restricted_post_type])) {
$available_content[$restricted_post_type] = array();
}
foreach ($available_content[$restricted_post_type] as $key => $restriction) {
if (time() > $restriction || 7200 > $restriction) {
//this post view has expired
//Or it is very old and based on the post ID rather than the expiration time
unset($available_content[$restricted_post_type][$key]);
}
}
if (-1 != $restrictions[$post_type_id]['allowed_value']) {
//-1 means unlimited
if ($restrictions[$post_type_id]['allowed_value'] > count($available_content[$restricted_post_type])) {
if (!array_key_exists($post->ID, $available_content[$restricted_post_type])) {
$available_content[$restricted_post_type][$post->ID] = $expiration;
}
} else {
if (!array_key_exists($post->ID, $available_content[$restricted_post_type])) {
add_filter('the_content', array($this, 'the_content_paywall'), 999);
do_action('leaky_paywall_is_restricted_content');
}
}
}
$serialized_available_content = maybe_serialize($available_content);
setcookie('issuem_lp' . $site, $serialized_available_content, $expiration, '/');
$_COOKIE['issuem_lp' . $site] = $serialized_available_content;
}
return;
//We don't need to process anything else after this
}
}
}
if ($has_subscriber_paid) {
if ((!empty($settings['page_for_subscription']) && is_page($settings['page_for_subscription']) || !empty($settings['page_for_profile']) && is_page($settings['page_for_profile'])) && isset($_REQUEST['cancel'])) {
wp_die(leaky_paywall_cancellation_confirmation());
}
if (!empty($settings['page_for_login']) && is_page($settings['page_for_login'])) {
if (!empty($settings['page_for_profile'])) {
wp_safe_redirect(get_page_link($settings['page_for_profile']));
} else {
if (!empty($settings['page_for_subscription'])) {
wp_safe_redirect(get_page_link($settings['page_for_subscription']));
}
}
}
} else {
if (!empty($settings['page_for_login']) && is_page($settings['page_for_login']) && !empty($_REQUEST['r'])) {
$login_hash = $_REQUEST['r'];
if (verify_leaky_paywall_login_hash($login_hash)) {
leaky_paywall_attempt_login($login_hash);
if (!empty($settings['page_for_profile'])) {
wp_safe_redirect(get_page_link($settings['page_for_profile']));
} else {
if (!empty($settings['page_for_subscription'])) {
wp_safe_redirect(get_page_link($settings['page_for_subscription']));
}
}
} else {
$output = '<h3>' . __('Invalid or Expired Login Link', 'issuem-leaky-paywall') . '</h3>';
$output .= '<p>' . sprintf(__('Sorry, this login link is invalid or has expired. <a href="%s">Try again?</a>', 'issuem-leaky-paywall'), get_page_link($settings['page_for_login'])) . '</p>';
$output .= '<a href="' . get_home_url() . '">' . sprintf(__('back to %s', 'issuem-leak-paywall'), $settings['site_name']) . '</a>';
wp_die(apply_filters('leaky_paywall_invalid_login_link', $output));
}
return;
//We don't need to process anything else after this
}
}
}
function leaky_paywall_subscription_options()
{
global $blog_id;
$settings = get_leaky_paywall_settings();
$current_level_ids = leaky_paywall_subscriber_current_level_ids();
$results = apply_filters('leaky_paywall_subscription_options', '');
//If someone wants to completely override this, they can with the above filter
if (empty($results)) {
$has_allowed_value = false;
$results .= '<h2>' . __('Subscription Options', 'issuem-leaky-paywall') . '</h2>';
$results .= apply_filters('leaky_paywall_subscription_options_header', '');
if (!empty($settings['levels'])) {
$results .= apply_filters('leaky_paywall_before_subscription_options', '');
$results .= '<div class="leaky_paywall_subscription_options">';
foreach (apply_filters('leaky_paywall_subscription_levels', $settings['levels']) as $level_id => $level) {
if (!empty($level['deleted'])) {
continue;
}
if (is_multisite_premium() && !empty($level['site']) && 'all' != $level['site'] && $blog_id != $level['site']) {
continue;
}
$level = apply_filters('leaky_paywall_subscription_options_level', $level, $level_id);
$payment_options = '';
$allowed_content = '';
if (in_array($level_id, $current_level_ids)) {
$current_level = 'current-level';
} else {
$current_level = '';
}
$results .= '<div id="option-' . $level_id . '" class="leaky_paywall_subscription_option ' . $current_level . '">';
$results .= '<h3>' . stripslashes($level['label']) . '</h3>';
$results .= '<div class="leaky_paywall_subscription_allowed_content">';
foreach ($level['post_types'] as $post_type) {
/* @todo: We may need to change the site ID during this process, some sites may have different post types enabled */
$post_type_obj = get_post_type_object($post_type['post_type']);
if (!empty($post_type_obj)) {
if (0 <= $post_type['allowed_value']) {
$has_allowed_value = true;
$allowed_content .= '<p>' . sprintf(__('Access %s %s*', 'issuem-leaky-paywall'), $post_type['allowed_value'], $post_type_obj->labels->name) . '</p>';
} else {
$allowed_content .= '<p>' . sprintf(__('Unlimited %s', 'issuem-leaky-paywall'), $post_type_obj->labels->name) . '</p>';
}
}
}
$results .= apply_filters('leaky_paywall_subscription_options_allowed_content', $allowed_content, $level_id, $level);
$results .= '</div>';
$currency = $settings['leaky_paywall_currency'];
$currencies = leaky_paywall_supported_currencies();
$results .= '<div class="leaky_paywall_subscription_price">';
$results .= '<p>';
if (!empty($level['price'])) {
if (!empty($level['recurring']) && 'on' === $level['recurring'] && apply_filters('leaky_paywall_subscription_options_price_recurring_on', true, $current_level)) {
$results .= '<strong>' . sprintf(__('%s%s %s (recurring)', 'issuem-leaky-paywall'), $currencies[$currency]['symbol'], number_format($level['price'], 2), leaky_paywall_human_readable_interval($level['interval_count'], $level['interval'])) . '</strong>';
$results .= apply_filters('leaky_paywall_before_subscription_options_recurring_price', '');
} else {
$results .= '<strong>' . sprintf(__('%s%s %s', 'issuem-leaky-paywall'), $currencies[$currency]['symbol'], number_format($level['price'], 2), leaky_paywall_human_readable_interval($level['interval_count'], $level['interval'])) . '</strong>';
$results .= apply_filters('leaky_paywall_before_subscription_options_non_recurring_price', '');
}
if (!empty($level['trial_period'])) {
$results .= '<span class="leaky-paywall-trial-period">' . sprintf(__('Free for the first %s day(s)', 'issuem-leaky-paywall'), $level['trial_period']) . '</span>';
}
} else {
$results .= '<strong>' . __('Free', 'issuem-leaky-paywall') . '</strong>';
}
$results .= '</p>';
$results .= '</div>';
//Don't show payment options if the users is currently subscribed to this level
if (!in_array($level_id, $current_level_ids)) {
$results .= '<div class="leaky_paywall_subscription_payment_options">';
$results .= apply_filters('leaky_paywall_subscription_options_payment_options', $payment_options, $level, $level_id);
$results .= '</div>';
} else {
$results .= '<div class="leaky_paywall_subscription_current_level">';
$results .= __('Current Subscription', 'issuem-leaky-paywall');
$results .= '</div>';
}
$results .= '</div>';
}
$results .= '</div>';
$results .= apply_filters('leaky_paywall_subscription_options_after_subscription_options', '');
if ($has_allowed_value) {
$results .= '<div class="leaky_paywall_subscription_limit_details">';
$results .= '*' . ucfirst(leaky_paywall_human_readable_interval($settings['cookie_expiration'], $settings['cookie_expiration_interval']));
$results .= '</div>';
}
}
$results .= apply_filters('leaky_paywall_subscription_options_footer', '');
}
return $results;
}
