File: /home/dermova/www/me/wp-content/plugins/envira-gallery-lite/includes/admin/addons.php
<?php
/**
* Addons class.
*
* @since 1.5.0
*
* @package Envira_Gallery
* @author David Bisset
*/
class Envira_Gallery_Addons {
/**
* Holds the class object.
*
* @since 1.5.0
*
* @var object
*/
public static $instance;
/**
* Path to the file.
*
* @since 1.5.0
*
* @var string
*/
public $file = __FILE__;
/**
* Holds the base class object.
*
* @since 1.5.0
*
* @var object
*/
public $base;
/**
* Holds the submenu pagehook.
*
* @since 1.5.0
*
* @var string
*/
public $hook;
/**
* Primary class constructor.
*
* @since 1.5.0
*/
public function __construct() {
// Load the base class object.
$this->base = ( class_exists( 'Envira_Gallery' ) ? Envira_Gallery::get_instance() : Envira_Gallery_Lite::get_instance() );
// Add custom addons submenu.
add_action( 'admin_menu', array( $this, 'admin_menu' ), 12 );
// Add callbacks for addons tabs.
add_action( 'envira_gallery_addons_section', array( $this, 'addons_content' ) );
// Add the addons menu item to the Plugins table.
add_filter( 'plugin_action_links_' . plugin_basename( $this->base->file ), array( $this, 'addons_link' ) );
}
/**
* Register the Addons submenu item for Envira.
*
* @since 1.5.0
*/
public function admin_menu() {
// Register the submenu.
$this->hook = add_submenu_page(
'edit.php?post_type=envira',
__( 'Envira Gallery Addons', 'envira-gallery' ),
'<span style="color:#7cc048"> ' . __( 'Addons', 'envira-gallery' ) . '</span>',
apply_filters( 'envira_gallery_menu_cap', 'manage_options' ),
$this->base->plugin_slug . '-addons',
array( $this, 'addons_page' )
);
// If successful, load admin assets only on that page and check for addons refresh.
if ( $this->hook ) {
add_action( 'load-' . $this->hook, array( $this, 'maybe_refresh_addons' ) );
add_action( 'load-' . $this->hook, array( $this, 'addons_page_assets' ) );
}
}
/**
* Maybe refreshes the addons page.
*
* @since 1.5.0
*
* @return null Return early if not refreshing the addons.
*/
public function maybe_refresh_addons() {
if ( ! $this->is_refreshing_addons() ) {
return;
}
if ( ! $this->refresh_addons_action() ) {
return;
}
$this->get_addons_data( $this->base->get_license_key() );
}
/**
* Loads assets for the addons page.
*
* @since 1.5.0
*/
public function addons_page_assets() {
add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_admin_styles' ) );
add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_admin_scripts' ) );
}
/**
* Register and enqueue addons page specific CSS.
*
* @since 1.5.0
*/
public function enqueue_admin_styles() {
wp_register_style( $this->base->plugin_slug . '-addons-style', plugins_url( 'assets/css/addons.css', $this->base->file ), array(), $this->base->version );
wp_enqueue_style( $this->base->plugin_slug . '-addons-style' );
// Run a hook to load in custom styles.
do_action( 'envira_gallery_addons_styles' );
}
/**
* Register and enqueue addons page specific JS.
*
* @since 1.5.0
*/
public function enqueue_admin_scripts() {
// List.js
wp_register_script( $this->base->plugin_slug . '-list-script', plugins_url( 'assets/js/min/list-min.js', $this->base->file ), array( 'jquery' ), $this->base->version, true );
wp_enqueue_script( $this->base->plugin_slug . '-list-script' );
// Addons
wp_register_script( $this->base->plugin_slug . '-addons-script', plugins_url( 'assets/js/addons.js', $this->base->file ), array( 'jquery' ), $this->base->version, true );
wp_enqueue_script( $this->base->plugin_slug . '-addons-script' );
wp_localize_script(
$this->base->plugin_slug . '-addons-script',
'envira_gallery_addons',
array(
'activate_nonce' => wp_create_nonce( 'envira-gallery-activate' ),
'active' => __( 'Status: Active', 'envira-gallery' ),
'activate' => __( 'Activate', 'envira-gallery' ),
'get_addons_nonce' => wp_create_nonce( 'envira-gallery-get-addons' ),
'activating' => __( 'Activating...', 'envira-gallery' ),
'ajax' => admin_url( 'admin-ajax.php' ),
'deactivate' => __( 'Deactivate', 'envira-gallery' ),
'deactivate_nonce' => wp_create_nonce( 'envira-gallery-deactivate' ),
'deactivating' => __( 'Deactivating...', 'envira-gallery' ),
'inactive' => __( 'Status: Inactive', 'envira-gallery' ),
'install' => __( 'Install', 'envira-gallery' ),
'install_nonce' => wp_create_nonce( 'envira-gallery-install' ),
'installing' => __( 'Installing...', 'envira-gallery' ),
'proceed' => __( 'Proceed', 'envira-gallery' )
)
);
// Run a hook to load in custom scripts.
do_action( 'envira_gallery_addons_scripts' );
}
/**
* Callback to output the Envira addons page.
*
* @since 1.5.0
*/
public function addons_page() {
do_action('envira_head');
?>
<div id="addon-heading" class="subheading clearfix">
<h1><?php _e( 'Envira Gallery Addons', 'envira-gallery' ); ?></h1>
<form id="add-on-search">
<span class="spinner"></span>
<input id="add-on-searchbox" name="envira-addon-search" value="" placeholder="<?php _e( 'Search Envira Addons', 'envira-gallery' ); ?>" />
<select id="envira-filter-select">
<option value="asc"><?php _e( 'Sort Ascending (A-Z)', 'envira-gallery' ); ?></option>
<option value="desc"><?php _e( 'Sort Descending (Z-A)', 'envira-gallery' ); ?></option>
</select>
</form>
</div>
<div id="envira-gallery-addons" class="wrap">
<div class="envira-gallery envira-clear">
<?php do_action( 'envira_gallery_addons_section' ); ?>
</div>
</div>
<?php
}
/**
* Callback for displaying the UI for Addons.
*
* @since 1.5.0
*/
public function addons_content() {
// If error(s) occured during license key verification, display them and exit now.
if ( false !== $this->base->get_license_key_errors() ) {
?>
<div class="error below-h2">
<p>
<?php _e( 'In order to get access to Addons, you need to resolve your license key errors.', 'envira-gallery' ); ?>
</p>
</div>
<?php
return;
}
// Get Addons
$addons = $this->get_addons();
// If no Addon(s) were returned, our API call returned an error.
// Show an error message with a button to reload the page, which will trigger another API call.
if ( ! $addons ) {
?>
<form id="envira-addons-refresh-addons-form" method="post">
<p>
<?php _e( 'There was an issue retrieving the addons for this site. Please click on the button below the refresh the addons data.', 'envira-gallery' ); ?>
</p>
<p>
<a href="<?php echo $_SERVER['REQUEST_URI']; ?>" class="button button-primary"><?php _e( 'Refresh Addons', 'envira-gallery' ); ?></a>
</p>
</form>
<?php
return;
}
// If here, we have Addons to display, so let's output them now.
// Get installed plugins and upgrade URL
$installed_plugins = get_plugins();
$upgrade_url = Envira_Gallery_Common_Admin::get_instance()->get_upgrade_link();
?>
<div id="envira-addons">
<?php
// Output Addons the User is licensed to use.
if ( count( $addons['licensed'] )> 0 ) {
?>
<div class="envira-addons-area licensed" class="envira-clear">
<h3><?php _e( 'Available Addons', 'envira-gallery' ); ?></h3>
<div id="envira-addons-licensed" class="envira-addons">
<!-- list container class required for list.js -->
<div class="list">
<?php
foreach ( (array) $addons['licensed'] as $i => $addon ) {
$this->get_addon_card( $addon, $i, true, $installed_plugins );
}
?>
</div>
</div>
</div>
<?php
} // Close licensed addons
// Output Addons the User isn't licensed to use.
if ( count( $addons['unlicensed'] )> 0 ) {
?>
<div class="envira-addons-area unlicensed" class="envira-clear">
<h3><?php _e( 'Unlock More Addons', 'envira-gallery' ); ?></h3>
<p><?php echo sprintf( __( '<strong>Want even more addons?</strong> <a href="%s">Upgrade your Envira Gallery account</a> and unlock the following addons.', 'envira-gallery' ), $upgrade_url ); ?></p>
<div id="envira-addons-unlicensed" class="envira-addons">
<!-- list container class required for list.js -->
<div class="list">
<?php
foreach ( (array) $addons['unlicensed'] as $i => $addon ) {
$this->get_addon_card( $addon, $i, false, $installed_plugins );
}
?>
</div>
</div>
</div>
<?php
} // Close unlicensed addons
?>
</div>
<?php
}
/**
* Retrieves addons from the stored transient or remote server.
*
* @since 1.5.0
*
* @return bool | array false | Array of licensed and unlicensed Addons.
*/
public function get_addons() {
// Get license key and type.
$key = $this->base->get_license_key();
$type = $this->base->get_license_key_type();
// Get addons data from transient or perform API query if no transient.
//if ( false === ( $addons = get_transient( '_eg_addons' ) ) ) {
$addons = $this->get_addons_data( $key );
//}
// If no Addons exist, return false
if ( ! $addons ) {
return false;
}
// Iterate through Addons, to build two arrays:
// - Addons the user is licensed to use,
// - Addons the user isn't licensed to use.
$results = array(
'licensed' => array(),
'unlicensed'=> array(),
);
foreach ( (array) $addons as $i => $addon ) {
// Determine whether the user is licensed to use this Addon or not.
if (
empty( $type ) ||
( in_array( 'advanced', $addon->categories ) && $type != 'gold' && $type != 'platinum' ) ||
( in_array( 'basic', $addon->categories ) && ( $type != 'silver' && $type != 'gold' && $type != 'platinum' ) )
) {
// Unlicensed
$results['unlicensed'][] = $addon;
continue;
}
// Licensed
$results['licensed'][] = $addon;
}
// Return Addons, split by licensed and unlicensed.
return $results;
}
/**
* Pings the remote server for addons data.
*
* @since 1.5.0
*
* @param string $key The user license key.
* @return array Array of addon data otherwise.
*/
public function get_addons_data( $key ) {
// Get Addons
// If the key is valid, we'll get personalised upgrade URLs for each Addon (if necessary) and plugin update information.
$addons = Envira_Gallery_License::get_instance()->perform_remote_request( 'get-addons-data-v15', array( 'tgm-updater-key' => $key ) );
// If there was an API error, set transient for only 10 minutes.
if ( ! $addons ) {
set_transient( '_eg_addons', false, 10 * MINUTE_IN_SECONDS );
return false;
}
// If there was an error retrieving the addons, set the error.
if ( isset( $addons->error ) ) {
set_transient( '_eg_addons', false, 10 * MINUTE_IN_SECONDS );
return false;
}
// Otherwise, our request worked. Save the data and return it.
set_transient( '_eg_addons', $addons, DAY_IN_SECONDS );
return $addons;
}
/**
* Flag to determine if addons are being refreshed.
*
* @since 1.5.0
*
* @return bool True if being refreshed, false otherwise.
*/
public function is_refreshing_addons() {
return isset( $_POST['envira-gallery-refresh-addons-submit'] );
}
/**
* Verifies nonces that allow addon refreshing.
*
* @since 1.5.0
*
* @return bool True if nonces check out, false otherwise.
*/
public function refresh_addons_action() {
return isset( $_POST['envira-gallery-refresh-addons-submit'] ) && wp_verify_nonce( $_POST['envira-gallery-refresh-addons'], 'envira-gallery-refresh-addons' );
}
/**
* Retrieve the plugin basename from the plugin slug.
*
* @since 1.5.0
*
* @param string $slug The plugin slug.
* @return string The plugin basename if found, else the plugin slug.
*/
public function get_plugin_basename_from_slug( $slug ) {
$keys = array_keys( get_plugins() );
foreach ( $keys as $key ) {
if ( preg_match( '|^' . $slug . '|', $key ) ) {
return $key;
}
}
return $slug;
}
/**
* Add Addons page to plugin action links in the Plugins table.
*
* @since 1.5.0
*
* @param array $links Default plugin action links.
* @return array $links Amended plugin action links.
*/
public function addons_link( $links ) {
$addons_link = sprintf( '<a href="%s">%s</a>', esc_url( add_query_arg( array( 'post_type' => 'envira', 'page' => ( class_exists( 'Envira_Gallery' ) ? 'envira-gallery-addons' : 'envira-gallery-lite-addons' ) ), admin_url( 'edit.php' ) ) ), __( 'Addons', 'envira-gallery' ) );
array_unshift( $links, $addons_link );
return $links;
}
/**
* Outputs the addon "box" on the addons page.
*
* @since 1.5.0
*
* @param object $addon Addon data from the API / transient call
* @param int $counter Index of this Addon in the collection
* @param bool $is_licensed Whether the Addon is licensed for use
* @param array $installed_plugins Installed WordPress Plugins
*/
public function get_addon_card( $addon, $counter = 0, $is_licensed = false, $installed_plugins = false ) {
// Setup some vars
$plugin_basename = $this->get_plugin_basename_from_slug( $addon->slug );
$categories = implode( ',', $addon->categories );
if ( ! $installed_plugins ) {
$installed_plugins = get_plugins();
}
// If the Addon doesn't supply an upgrade_url key, it's because the user hasn't provided a license
// get_upgrade_link() will return the Lite or Pro link as necessary for us.
if ( ! isset( $addon->upgrade_url ) ) {
$addon->upgrade_url = Envira_Gallery_Common_Admin::get_instance()->get_upgrade_link();
}
// Output the card
?>
<div class="envira-addon">
<h3 class="envira-addon-title"><?php echo esc_html( $addon->title ); ?></h3>
<?php
if ( ! empty( $addon->image ) ) {
?>
<img class="envira-addon-thumb" src="<?php echo esc_url( $addon->image ); ?>" alt="<?php echo esc_attr( $addon->title ); ?>" />
<?php
}
?>
<p class="envira-addon-excerpt"><?php echo esc_html( $addon->excerpt ); ?></p>
<?php
// If the Addon is unlicensed, show the upgrade button
if ( ! $is_licensed ) {
?>
<div class="envira-addon-active envira-addon-message">
<div class="interior">
<div class="envira-addon-upgrade">
<a href="<?php echo esc_url( $addon->upgrade_url ); ?>" target="_blank" class="button button-primary envira-addon-upgrade-button" rel="<?php echo esc_attr( $plugin_basename ); ?>">
<?php _e( 'Upgrade Now', 'envira-gallery' ); ?>
</a>
<span class="spinner envira-gallery-spinner"></span>
</div>
</div>
</div>
<?php
} else {
// Addon is licensed
// If the plugin is not installed, display an install message and button.
if ( ! isset( $installed_plugins[ $plugin_basename ] ) ) {
?>
<div class="envira-addon-not-installed envira-addon-message">
<div class="interior">
<span class="addon-status"><?php _e( 'Status: <span>Not Installed</span>', 'envira-gallery' ); ?></span>
<div class="envira-addon-action">
<a class="button button-primary envira-addon-action-button envira-install-addon" href="#" rel="<?php echo esc_url( $addon->url ); ?>">
<i class="envira-cloud-download"></i>
<?php _e( 'Install', 'envira-gallery' ); ?>
</a>
<span class="spinner envira-gallery-spinner"></span>
</div>
</div>
</div>
<?php
} else {
// Plugin is installed.
if ( is_plugin_active( $plugin_basename ) ) {
// Plugin is active. Display the active message and deactivate button.
?>
<div class="envira-addon-active envira-addon-message">
<div class="interior">
<span class="addon-status"><?php _e( 'Status: <span>Active</span>', 'envira-gallery' ); ?></span>
<div class="envira-addon-action">
<a class="button button-primary envira-addon-action-button envira-deactivate-addon" href="#" rel="<?php echo esc_attr( $plugin_basename ); ?>">
<i class="envira-toggle-on"></i>
<?php _e( 'Deactivate', 'envira-gallery' ); ?>
</a>
<span class="spinner envira-gallery-spinner"></span>
</div>
</div>
</div>
<?php
} else {
// Plugin is inactivate. Display the inactivate mesage and activate button.
?>
<div class="envira-addon-inactive envira-addon-message">
<div class="interior">
<span class="addon-status"><?php _e( 'Status: <span>Inactive</span>', 'envira-gallery' ); ?></span>
<div class="envira-addon-action">
<a class="button button-primary envira-addon-action-button envira-activate-addon" href="#" rel="<?php echo esc_attr( $plugin_basename ); ?>">
<i class="envira-toggle-on"></i>
<?php _e( 'Activate', 'envira-gallery' ); ?>
</a>
<span class="spinner envira-gallery-spinner"></span>
</div>
</div>
</div>
<?php
}
}
}
?>
</div>
<?php
}
/**
* Returns the singleton instance of the class.
*
* @since 1.5.0
*
* @return object The Envira_Gallery_Addons object.
*/
public static function get_instance() {
if ( ! isset( self::$instance ) && ! ( self::$instance instanceof Envira_Gallery_Addons ) ) {
self::$instance = new Envira_Gallery_Addons();
}
return self::$instance;
}
}
// Load the addons class.
$envira_gallery_addons = Envira_Gallery_Addons::get_instance();