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settings.php
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settings.php
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<?php
/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
// TODO: Really need to tidy this file up and organize it better.
namespace Revisionize;
require_once 'addon.php';
add_action('init', __NAMESPACE__.'\\settings_init');
if (is_admin() || is_cron()) {
add_action('init', __NAMESPACE__.'\\check_for_addon_updates');
add_action('admin_menu', __NAMESPACE__.'\\settings_menu');
add_action('admin_init', __NAMESPACE__.'\\settings_admin_init');
add_action('network_admin_menu', __NAMESPACE__.'\\network_settings_menu');
add_action('network_admin_edit_revisionize_network_settings', __NAMESPACE__.'\\network_update_settings');
add_filter('plugin_action_links_'.REVISIONIZE_BASE, __NAMESPACE__.'\\settings_link');
add_filter('network_admin_plugin_action_links_'.REVISIONIZE_BASE, __NAMESPACE__.'\\network_settings_link');
add_filter('revisionize_keep_original_on_publish', __NAMESPACE__.'\\filter_keep_backup');
add_filter('revisionize_preserve_post_date', __NAMESPACE__.'\\filter_preserve_date');
add_filter('revisionize_preserve_author', __NAMESPACE__.'\\filter_preserve_author');
}
function settings_init() {
if (is_admin() || is_cron() || is_admin_bar_showing()) {
load_addons();
}
}
function settings_admin_init() {
if (is_on_settings_page()) {
set_setting('has_seen_settings', true);
} else if (get_setting('has_seen_settings', false) === false) {
add_action('admin_notices', __NAMESPACE__.'\\notify_new_settings');
}
if (is_on_network_settings_page() && isset($_GET['updated'])) {
add_action('network_admin_notices', __NAMESPACE__.'\\notify_updated_settings');
}
}
function settings_menu() {
add_submenu_page (
'options-general.php',
__('Revisionize Settings', 'revisionize'),
__('Revisionize', 'revisionize'),
'manage_options',
'revisionize',
__NAMESPACE__.'\\settings_page'
);
register_setting('revisionize', 'revisionize_settings', array(
"sanitize_callback" => __NAMESPACE__.'\\on_settings_saved'
));
setup_basic_settings();
if (!is_multisite()) {
setup_addon_settings();
}
}
function network_settings_menu() {
add_submenu_page (
'settings.php',
__('Revisionize Network Settings', 'revisionize'),
__('Revisionize', 'revisionize'),
'manage_network_options',
'revisionize',
__NAMESPACE__.'\\network_settings_page'
);
register_setting('revisionize_network', 'revisionize_network_settings', array(
"sanitize_callback" => __NAMESPACE__.'\\on_settings_saved'
));
setup_addon_settings('revisionize_network');
}
function network_update_settings() {
check_admin_referer('revisionize_network-options');
// save files.
on_settings_saved();
if (isset($_POST['revisionize_network_settings'])) {
update_site_option('revisionize_network_settings', $_POST['revisionize_network_settings']);
}
// need to schedule an admin notice.
wp_redirect(add_query_arg(array('page'=>'revisionize', 'updated'=>'true'), network_admin_url('settings.php')));
exit;
}
function settings_page() {
if (!current_user_can('manage_options')) {
echo __('Not Allowed.', 'revisionize');
return;
}
?>
<div class="wrap">
<?php settings_css(); ?>
<h1><?php echo esc_html(get_admin_page_title()); ?></h1>
<form action="options.php" enctype="multipart/form-data" method="post" class="rvz-settings-form">
<?php
settings_fields('revisionize');
do_fields_section('revisionize_section_basic');
// settings from Addons
do_action('revisionize_settings_fields');
do_fields_section('revisionize_section_addons');
submit_button(save_settings_button_label());
if (!is_multisite()) {
addons_html();
submit_button(save_settings_button_label());
}
?>
</form>
</div>
<?php
}
function network_settings_page() {
if (!current_user_can('manage_network_options')) {
echo __('Not Allowed.', 'revisionize');
return;
}
?>
<div class="wrap">
<?php settings_css(); ?>
<h1><?php echo esc_html(get_admin_page_title()); ?></h1>
<p>Note that site specific settings for Revisionize can be found when viewing a site. Such as <a href="<?php echo admin_url('options-general.php?page=revisionize')?>">here</a>.</p>
<form action="edit.php?action=revisionize_network_settings" enctype="multipart/form-data" method="post" class="rvz-settings-form">
<?php
settings_fields('revisionize_network');
do_fields_section('revisionize_section_addons', 'revisionize_network');
submit_button(save_settings_button_label());
addons_html();
submit_button(save_settings_button_label());
?>
</form>
</div>
<?php
}
function do_fields_section($key, $group="revisionize") {
echo '<table class="form-table">';
do_settings_fields($group, $key);
echo '</table>';
}
function setup_basic_settings() {
add_settings_section('revisionize_section_basic', '', '__return_null', 'revisionize');
input_setting('checkbox', __('Keep Backup', 'revisionize'), 'keep_backup', __("After publishing the revision, the previously live post will be kept around and marked as a backup revision of the new version.", 'revisionize'), true, 'revisionize_section_basic');
input_setting('checkbox', __('Preserve Date', 'revisionize'), 'preserve_date', __("The date of the original post will be maintained even if the revisionized post date changes. In particular, a scheduled revision won't modify the post date once it's published.", 'revisionize'), true, 'revisionize_section_basic');
input_setting('checkbox', __('Preserve Author', 'revisionize'), 'preserve_author', __("The author of the original post will be maintained even if the author of the revisionized post differs.", 'revisionize'), true, 'revisionize_section_basic');
}
function setup_addon_settings($group="revisionize") {
add_settings_section('revisionize_section_addons', '', '__return_null', $group);
// These fields are displayed
add_settings_field('revisionize_addon_file', __('Upload Addon', 'revisionize'), __NAMESPACE__.'\\settings_addon_file_html', $group, 'revisionize_section_addons', array('label_for' => 'revisionize_addon_file'));
}
function settings_addon_file_html($args) {
$id = esc_attr($args['label_for']);
?>
<div>
<input id="<?php echo $id?>" type="file" name="revisionize_addon_file" style="width:320px" accept=".rvz"/>
<p>To install or update an addon, choose a <em>.rvz</em> file and click <em><?php echo save_settings_button_label()?></em></p>
</div>
<?php
}
function addons_html() {
$hasUpdates = false;
?>
<h1><?php _e('Revisionize Addons', 'revisionize')?></h1>
<p>Improve the free Revisionize plugin with these official addons.<br/>Visit <a href="https://revisionize.pro" target="_blank">revisionize.pro</a> for more info.</p>
<div class="rvz-addons rvz-cf">
<?php foreach (get_available_addons() as $addon) {
addon_html($addon);
$hasUpdates = $hasUpdates || $addon["update_available"];
}?>
</div>
<?php if ($hasUpdates): ?>
<p>* To install an addon update, visit <a href="https://revisionize.pro/account/" target="_blank">https://revisionize.pro/account/</a> to login to your account.
<br/>Find the relevant purchase confirmation and download the updated <em>.rvz</em> file.
<br/>Come back here and upload the addon.</p>
<?php
endif;
}
function addon_html($addon) {
$id = $addon['id'];
$active = "addon_${id}_active";
$remove = "addon_${id}_delete";
$active_checked = is_addon_active($id) ? 'checked' : '';
$group = is_multisite() ? "revisionize_network_settings" : "revisionize_settings";
?>
<div class="rvz-addon-col">
<div class="rvz-addon<?php if ($addon['installed']) echo " rvz-installed" ?>">
<h3><a href="<?php echo $addon['url']?>" target="_blank"><?php echo $addon['name'];?></a></h3>
<?php echo $addon['description']; ?>
<div class="rvz-meta rvz-cf">
<?php if ($addon['installed']): ?>
<label><?php _e('Installed', 'revisionize')?>: <?php echo $addon['installed']?></label>
<label>
<input type="hidden" name="<?php echo $group?>[_<?php echo $active?>_set]" value="1"/>
<input type="checkbox" name="<?php echo $group?>[<?php echo $active?>]" <?php echo $active_checked?> /> <?php _e('Active', 'revisionize')?>
</label>
<label>
<input type="hidden" name="<?php echo $group?>[_<?php echo $remove?>_set]" value="1"/>
<input type="checkbox" name="<?php echo $group?>[<?php echo $remove?>]" /> <?php _e('Delete', 'revisionize')?>
</label>
<?php if ($addon["update_available"]): ?>
<div class="rvz-update-available rvz-cf">
<a class="rvz-button button" href="https://revisionize.pro/account/" target="_blank"><?php _e('Update Available', 'revisionize')?>: <?php echo $addon['version']?></a>
</div>
<?php endif; ?>
<?php else: ?>
<a class="rvz-button button" href="<?php echo $addon['url']?>" target="_blank"><?php echo $addon['price']?> - <?php echo $addon['button']?></a>
<?php endif; ?>
</div>
</div>
</div>
<?php
}
// access settings
function get_setting($key, $default='', $multisite=false) {
$settings = $multisite ? get_site_option('revisionize_network_settings') : get_option('revisionize_settings');
return !empty($settings[$key]) ? $settings[$key] : $default;
}
function set_setting($key, $value) {
$settings = get_option('revisionize_settings');
$settings[$key] = $value;
update_option('revisionize_settings', $settings);
}
function remove_setting($keys, $multisite=false) {
$settings = $multisite ? get_site_option('revisionize_network_settings') : get_option('revisionize_settings');
if (!is_array($keys)) {
$keys = array($keys);
}
foreach ($keys as $key) {
unset($settings[$key]);
}
if ($multisite) {
update_site_option('revisionize_network_settings', $settings);
} else {
update_option('revisionize_settings', $settings);
}
}
function is_on_settings_page() {
global $pagenow;
return $pagenow == 'options-general.php' && isset($_GET['page']) && $_GET['page'] == 'revisionize';
}
function is_on_network_settings_page() {
global $pagenow;
return $pagenow == 'settings.php' && isset($_GET['page']) && $_GET['page'] == 'revisionize';
}
function on_settings_saved($settings=null) {
if (current_user_can('install_plugins') && !empty($_FILES['revisionize_addon_file']['tmp_name'])) {
install_addon($_FILES['revisionize_addon_file']['tmp_name']);
}
return $settings;
}
function install_addon($filename) {
// make sure the directory exists
$target_path = get_addons_root();
wp_mkdir_p($target_path);
$data = file_get_contents($filename);
$data = json_decode(base64_decode($data), true);
// TODO: check to see if addon already installed and if this version is newer. Maybe send warning if not (downgrading)
file_put_contents($target_path.'/'.$data['name'].'.php', base64_decode($data['code']));
$installed = get_installed_addons();
$installed[] = $data['name'];
set_installed_addons($installed);
}
function uninstall_addon($id, $file) {
remove_setting(array(
"addon_${id}_active",
"addon_${id}_delete",
"_addon_${id}_active_set",
"_addon_${id}_delete_set",
), is_multisite());
unlink($file);
$installed = get_installed_addons();
if (($key = array_search($id, $installed)) !== false) {
array_splice($installed, $key, 1);
}
set_installed_addons($installed);
}
function get_available_addons() {
$registered = apply_filters('revisionize_registered_addons', array());
$addons = get_transient('revisionize_available_addons');
if ($addons === false) {
$response = wp_remote_get("https://revisionize.pro/rvz-addons/", array('timeout' => 1, 'httpversion' => '1.1'));
$json = is_array($response) && !empty($response['body']) ? $response['body'] : '';
$payload = !empty($json) ? json_decode($json, true) : array();
$addons = !empty($payload['addons']) ? $payload['addons'] : array();
if (remote_addons_valid($addons)) {
\set_transient('revisionize_available_addons', $addons, \WEEK_IN_SECONDS * 2);
} else {
// for some reason our addons list is empty. cache this for a shorter time so site performance
// isn't impacted by repeated network calls.
\set_transient('revisionize_available_addons', [], \DAY_IN_SECONDS * 5);
}
}
// failsafe - really make sure we have valid addons
if (empty($addons) || !is_array($addons) || !remote_addons_valid($addons)) {
$addons = array();
}
foreach ($addons as &$addon) {
$addon["installed"] = array_key_exists($addon["id"], $registered) ? $registered[$addon["id"]] : false;
$addon["update_available"] = $addon["installed"] && version_compare($addon["version"], $addon["installed"]) > 0;
}
return $addons;
}
function remote_addons_valid($addons) {
return !empty($addons) && count($addons) > 0 && all_keys_set($addons, "id") && all_keys_set($addons, "version");
}
function all_keys_set($arr, $key) {
$s = implode('', array_map(function($obj) use ($key) { return empty($obj[$key]) ? "" : $obj[$key]; }, $arr));
return !empty($s);
}
function check_for_addon_updates() {
$addons = get_available_addons();
foreach ($addons as $addon) {
if ($addon["update_available"]) {
add_action(is_multisite() ? 'network_admin_notices' : 'admin_notices', __NAMESPACE__.'\\notify_needs_update');
}
}
}
function get_installed_addons() {
$addons = is_multisite() ? get_site_option('revisionize_installed_addons', array()) : get_option('revisionize_installed_addons', array());
return $addons ? $addons : array();
}
function get_addons_root() {
// version 2.2.3 - move the addons_root to a safe directory
$uploads = wp_upload_dir();
$path = $uploads['basedir'];
if (is_multisite() && !is_network_admin()) {
// when network admin we get back /wp-content/uploads/
// when in a Site we get back /wp-content/uploads/sites/site-ID
$path = str_replace('/sites/'.get_current_blog_id(), '', $path);
}
return apply_filters('revisionize_addons_root', $path.'/revisionize/addons');
}
function set_installed_addons($installed) {
if (is_multisite()) {
update_site_option('revisionize_installed_addons', array_unique($installed));
} else {
update_option('revisionize_installed_addons', array_unique($installed));
}
}
function load_addons() {
$addons = get_installed_addons();
foreach ($addons as $id) {
$file = get_addons_root().'/'.$id.'.php';
if (file_exists($file)) {
if (is_addon_pending_delete($id)) {
uninstall_addon($id, $file);
} else {
require_once $file;
\RevisionizeAddon::create($id);
}
} else {
// system thinks addon is installed, but the file doesn't exist. Probably because it got wiped during a core plugin update.
// v2.2.3 changes the addons_root directory to wp-content/uploads/revisionize/addons
add_action(is_multisite() ? 'network_admin_notices' : 'admin_notices', __NAMESPACE__.'\\notify_fix_addons');
}
}
do_action('revisionize_addons_loaded');
}
function is_addon_active($id) {
return is_checkbox_checked('addon_'.$id.'_active', true, is_multisite());
}
function is_addon_pending_delete($id) {
return is_checkbox_checked('addon_'.$id.'_delete', false, is_multisite());
}
function filter_keep_backup($b) {
return is_checkbox_checked('keep_backup', $b);
}
function filter_preserve_date($b) {
return is_checkbox_checked('preserve_date', $b);
}
function filter_preserve_author($b) {
return is_checkbox_checked('preserve_author', $b);
}
// basic inputs for now
// $type: text|email|number|checkbox
function input_setting($type, $name, $key, $description, $default, $section) {
add_settings_field('revisionize_setting_'.$key, $name, __NAMESPACE__.'\\field_input', 'revisionize', $section, array(
'type' => $type,
'label_for' => 'revisionize_setting_'.$key,
'key' => $key,
'description' => $description,
'default' => $default
));
}
function field_input($args) {
$type = $args['type'];
$id = esc_attr($args['label_for']);
$key = esc_attr($args['key']);
$value = '';
if ($type == 'checkbox') {
if (is_checkbox_checked($key, $args['default'])) {
$value = 'checked';
}
} else {
$value = 'value="'.get_setting($key, $args['default']).'"';
}
?>
<div>
<?php if ($type=="checkbox"): ?>
<input type="hidden" name="revisionize_settings[_<?php echo $key?>_set]" value="1"/>
<?php endif; ?>
<label>
<input id="<?php echo $id?>" type="<?php echo $type?>" name="revisionize_settings[<?php echo $key?>]" <?php echo $value?>/>
<?php echo $args['description']?>
</label>
</div>
<?php
}
function is_checkbox_checked($key, $default, $multisite=false) {
return is_checkbox_set($key, $multisite) ? is_checkbox_on($key, $multisite) : $default;
}
function is_checkbox_on($key, $multisite=false) {
return get_setting($key, '', $multisite) == "on";
}
function is_checkbox_set($key, $multisite=false) {
return get_setting('_'.$key.'_set', '', $multisite) == "1";
}
function notify_new_settings() {
$notice = '<strong>Revisionize</strong> has a new settings panel. <strong><a href="'.admin_url('options-general.php?page=revisionize').'">Check it out!</a></strong>';
echo '<div class="notice notice-info is-dismissible"><p>'.$notice.'</p></div>';
}
function notify_updated_settings() {
echo '<div class="notice updated is-dismissible"><p><strong>Settings saved.</strong></p></div>';
}
function notify_needs_update() {
if (!is_on_settings_page() && !is_on_network_settings_page()) {
$url = is_multisite() ? network_admin_url('settings.php?page=revisionize') : admin_url('options-general.php?page=revisionize');
echo '<div class="notice updated is-dismissible"><p>Revisionize has 1 or more updates available for your installed addons. <a href="'.$url.'">View settings</a> for details.</p></div>';
}
}
function settings_css() {
?>
<style type="text/css">
.rvz-cf:after {
content: "";
display: table;
clear: both;
}
.rvz-settings-form {
margin-top: 15px;
}
.rvz-settings-form .form-table {
margin-top: 0;
}
.rvz-settings-form .form-table th, .rvz-settings-form .form-table td {
padding-top: 12px;
padding-bottom: 12px;
}
.rvz-settings-form .form-table p {
margin-top: 0;
}
.rvz-addons { margin-top: 30px; }
.rvz-addons * { box-sizing: border-box; }
.rvz-addon-col {
float: left;
width: 100%;
padding: 0;
}
@media (min-width: 783px) {
.rvz-addon-col {
padding-right: 25px;
width: 50%;
}
}
@media (min-width: 1366px) {
.rvz-addon-col {
width: 33.3333%;
}
}
@media (min-width: 1600px) {
.rvz-addon-col {
width: 25%;
}
}
.rvz-addon {
background-color: #e0e0e0;
border-radius: 4px;
padding: 15px 15px 55px;
min-height: 300px;
position: relative;
margin-bottom: 20px;
}
.rvz-addon h3 {
margin-top: 0;
line-height: 30px;
text-transform: uppercase;
width: 100%;
}
.rvz-addon ul {
list-style: disc;
padding-bottom: 15px;
padding-left: 25px;
}
.rvz-addon .rvz-meta {
position: absolute;
bottom: 0;
left: 0;
padding: 15px;
width: 100%;
text-align: right;
}
.rvz-addon .rvz-meta label {
line-height: 22px;
margin-left: 15px;
}
.rvz-addon .rvz-meta label:first-child {
margin-left: 0;
float: left;
}
.rvz-update-available {
clear: both;
margin-top: 8px;
text-align: center;
}
</style>
<?php
}
function settings_link($links) {
return array_merge($links, array('<a href="'.admin_url('options-general.php?page=revisionize').'">Settings</a>'));
}
function network_settings_link($links) {
return array_merge($links, array('<a href="'.network_admin_url('settings.php?page=revisionize').'">Settings</a>'));
}
function notify_fix_addons() {
echo '<div class="notice notice-error is-dismissible"><p>Please re-install your <a href="https://revisionize.pro/account/" target="_blank">Revisionize addons</a>.<br/>There was a problem where updates to the core Revisionize plugin would inadvertantly delete your installed addons.<br/>This has been fixed in version 2.2.3. Sorry for the inconvenience!</p></div>';
}
function save_settings_button_label() {
return __('Save Settings', 'revisionize');
}