File: /var/www/html/wp-content/themes/hitmag-pro/updater/theme-updater-admin.php
<?php
/**
* Theme updater admin page and functions.
*
* @package HitMag Pro
*/
class HitMag_Pro_Theme_Updater_Admin {
/**
* Variables required for the theme updater
*
* @since 1.0.0
* @type string
*/
protected $remote_api_url = null;
protected $theme_slug = null;
protected $version = null;
protected $author = null;
protected $download_id = null;
protected $renew_url = null;
protected $strings = null;
/**
* Initialize the class.
*
* @since 1.0.0
*/
function __construct( $config = array(), $strings = array() ) {
$config = wp_parse_args( $config, array(
'remote_api_url' => 'http://easydigitaldownloads.com',
'theme_slug' => get_template(),
'item_name' => '',
'license' => '',
'version' => '',
'author' => '',
'download_id' => '',
'renew_url' => '',
'beta' => false,
) );
/**
* Fires after the theme $config is setup.
*
* @since x.x.x
*
* @param array $config Array of EDD SL theme data.
*/
do_action( 'post_edd_sl_theme_updater_setup', $config );
// Set config arguments
$this->remote_api_url = $config['remote_api_url'];
$this->item_name = $config['item_name'];
$this->theme_slug = sanitize_key( $config['theme_slug'] );
$this->version = $config['version'];
$this->author = $config['author'];
$this->download_id = $config['download_id'];
$this->renew_url = $config['renew_url'];
$this->beta = $config['beta'];
// Populate version fallback
if ( '' == $config['version'] ) {
$theme = wp_get_theme( $this->theme_slug );
$this->version = $theme->get( 'Version' );
}
// Strings passed in from the updater config
$this->strings = $strings;
add_action( 'init', array( $this, 'updater' ) );
add_action( 'admin_init', array( $this, 'register_option' ) );
add_action( 'admin_init', array( $this, 'license_action' ) );
add_action( 'admin_menu', array( $this, 'license_menu' ) );
add_action( 'update_option_' . $this->theme_slug . '_license_key', array( $this, 'activate_license' ), 10, 2 );
add_filter( 'http_request_args', array( $this, 'disable_wporg_request' ), 5, 2 );
add_action( 'admin_notices', array( $this, 'themezhut_activate_notice' ) );
}
/**
* Creates the updater class.
*
* since 1.0.0
*/
function updater() {
if ( ! current_user_can( 'manage_options' ) ) {
return;
}
/* If there is no valid license key status, don't allow updates. */
if ( get_option( $this->theme_slug . '_license_key_status', false) != 'valid' ) {
return;
}
if ( !class_exists( 'HitMag_Pro_Theme_Updater' ) ) {
// Load our custom theme updater
include( dirname( __FILE__ ) . '/theme-updater-class.php' );
}
new HitMag_Pro_Theme_Updater(
array(
'remote_api_url' => $this->remote_api_url,
'version' => $this->version,
'license' => trim( get_option( $this->theme_slug . '_license_key' ) ),
'item_name' => $this->item_name,
'author' => $this->author,
'beta' => $this->beta
),
$this->strings
);
}
/**
* Adds a menu item for the theme license under the appearance menu.
*
* since 1.0.0
*/
function license_menu() {
$strings = $this->strings;
add_theme_page(
$strings['theme-license'],
$strings['theme-license'],
'manage_options',
$this->theme_slug . '-license',
array( $this, 'license_page' )
);
}
/**
* Outputs the markup used on the theme license page.
*
* since 1.0.0
*/
function license_page() {
$strings = $this->strings;
$license = trim( get_option( $this->theme_slug . '_license_key' ) );
$status = get_option( $this->theme_slug . '_license_key_status', false );
// Checks license status to display under license key
if ( ! $license ) {
$message = $strings['enter-key'];
} else {
// delete_transient( $this->theme_slug . '_license_message' );
if ( ! get_transient( $this->theme_slug . '_license_message', false ) ) {
set_transient( $this->theme_slug . '_license_message', $this->check_license(), ( 60 * 60 * 24 ) );
}
$message = get_transient( $this->theme_slug . '_license_message' );
}
?>
<div class="wrap">
<h2><?php echo $strings['theme-license'] ?></h2>
<form method="post" action="options.php">
<?php settings_fields( $this->theme_slug . '-license' ); ?>
<table class="form-table">
<tbody>
<tr valign="top">
<th scope="row" valign="top">
<?php echo $strings['license-key']; ?>
</th>
<td>
<input id="<?php echo $this->theme_slug; ?>_license_key" name="<?php echo $this->theme_slug; ?>_license_key" type="text" class="regular-text" value="<?php echo esc_attr( $license ); ?>" />
<p class="description">
<?php echo $message; ?>
</p>
</td>
</tr>
<?php if ( $license ) { ?>
<tr valign="top">
<th scope="row" valign="top">
<?php echo $strings['license-action']; ?>
</th>
<td>
<?php
wp_nonce_field( $this->theme_slug . '_nonce', $this->theme_slug . '_nonce' );
if ( 'valid' == $status ) { ?>
<input type="submit" class="button-secondary" name="<?php echo $this->theme_slug; ?>_license_deactivate" value="<?php esc_attr_e( $strings['deactivate-license'] ); ?>"/>
<?php } else { ?>
<input type="submit" class="button-secondary" name="<?php echo $this->theme_slug; ?>_license_activate" value="<?php esc_attr_e( $strings['activate-license'] ); ?>"/>
<?php }
?>
</td>
</tr>
<?php } ?>
</tbody>
</table>
<?php submit_button(); ?>
</form>
<?php
}
/**
* Registers the option used to store the license key in the options table.
*
* since 1.0.0
*/
function register_option() {
register_setting(
$this->theme_slug . '-license',
$this->theme_slug . '_license_key',
array( $this, 'sanitize_license' )
);
}
/**
* Sanitizes the license key.
*
* since 1.0.0
*
* @param string $new License key that was submitted.
* @return string $new Sanitized license key.
*/
function sanitize_license( $new ) {
$old = get_option( $this->theme_slug . '_license_key' );
if ( $old && $old != $new ) {
// New license has been entered, so must reactivate
delete_option( $this->theme_slug . '_license_key_status' );
delete_transient( $this->theme_slug . '_license_message' );
}
return $new;
}
/**
* Makes a call to the API.
*
* @since 1.0.0
*
* @param array $api_params to be used for wp_remote_get.
* @return array $response decoded JSON response.
*/
function get_api_response( $api_params ) {
// Call the custom API.
$verify_ssl = (bool) apply_filters( 'edd_sl_api_request_verify_ssl', true );
$response = wp_remote_post( $this->remote_api_url, array( 'timeout' => 15, 'sslverify' => $verify_ssl, 'body' => $api_params ) );
return $response;
}
/**
* Activates the license key.
*
* @since 1.0.0
*/
function activate_license() {
$license = trim( get_option( $this->theme_slug . '_license_key' ) );
// Data to send in our API request.
$api_params = array(
'edd_action' => 'activate_license',
'license' => $license,
'item_name' => urlencode( $this->item_name ),
'url' => home_url()
);
$response = $this->get_api_response( $api_params );
// make sure the response came back okay
if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
if ( is_wp_error( $response ) ) {
$message = $response->get_error_message();
} else {
$message = __( 'An error occurred, please try again.' );
}
$base_url = admin_url( 'themes.php?page=' . $this->theme_slug . '-license' );
$redirect = add_query_arg( array( 'sl_theme_activation' => 'false', 'message' => urlencode( $message ) ), $base_url );
wp_redirect( $redirect );
exit();
} else {
$license_data = json_decode( wp_remote_retrieve_body( $response ) );
if ( false === $license_data->success ) {
switch( $license_data->error ) {
case 'expired' :
$message = sprintf(
__( 'Your license key expired on %s.' ),
date_i18n( get_option( 'date_format' ), strtotime( $license_data->expires, current_time( 'timestamp' ) ) )
);
break;
case 'disabled':
case 'revoked' :
$message = __( 'Your license key has been disabled.' );
break;
case 'missing' :
$message = __( 'Invalid license.' );
break;
case 'invalid' :
case 'site_inactive' :
$message = __( 'Your license is not active for this URL.' );
break;
case 'item_name_mismatch' :
$message = sprintf( __( 'This appears to be an invalid license key for %s.' ), $this->item_name );
break;
case 'no_activations_left':
$message = __( 'Your license key has reached its activation limit.' );
break;
default :
$message = __( 'An error occurred, please try again.' );
break;
}
if ( ! empty( $message ) ) {
$base_url = admin_url( 'themes.php?page=' . $this->theme_slug . '-license' );
$redirect = add_query_arg( array( 'sl_theme_activation' => 'false', 'message' => urlencode( $message ) ), $base_url );
wp_redirect( $redirect );
exit();
}
}
}
// $response->license will be either "active" or "inactive"
if ( $license_data && isset( $license_data->license ) ) {
update_option( $this->theme_slug . '_license_key_status', $license_data->license );
delete_transient( $this->theme_slug . '_license_message' );
}
wp_redirect( admin_url( 'themes.php?page=' . $this->theme_slug . '-license' ) );
exit();
}
/**
* Deactivates the license key.
*
* @since 1.0.0
*/
function deactivate_license() {
// Retrieve the license from the database.
$license = trim( get_option( $this->theme_slug . '_license_key' ) );
// Data to send in our API request.
$api_params = array(
'edd_action' => 'deactivate_license',
'license' => $license,
'item_name' => urlencode( $this->item_name ),
'url' => home_url()
);
$response = $this->get_api_response( $api_params );
// make sure the response came back okay
if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
if ( is_wp_error( $response ) ) {
$message = $response->get_error_message();
} else {
$message = __( 'An error occurred, please try again.' );
}
$base_url = admin_url( 'themes.php?page=' . $this->theme_slug . '-license' );
$redirect = add_query_arg( array( 'sl_theme_activation' => 'false', 'message' => urlencode( $message ) ), $base_url );
wp_redirect( $redirect );
exit();
} else {
$license_data = json_decode( wp_remote_retrieve_body( $response ) );
// $license_data->license will be either "deactivated" or "failed"
if ( $license_data && ( $license_data->license == 'deactivated' ) ) {
delete_option( $this->theme_slug . '_license_key_status' );
delete_transient( $this->theme_slug . '_license_message' );
}
}
if ( ! empty( $message ) ) {
$base_url = admin_url( 'themes.php?page=' . $this->theme_slug . '-license' );
$redirect = add_query_arg( array( 'sl_theme_activation' => 'false', 'message' => urlencode( $message ) ), $base_url );
wp_redirect( $redirect );
exit();
}
wp_redirect( admin_url( 'themes.php?page=' . $this->theme_slug . '-license' ) );
exit();
}
/**
* Constructs a renewal link
*
* @since 1.0.0
*/
function get_renewal_link() {
// If a renewal link was passed in the config, use that
if ( '' != $this->renew_url ) {
return $this->renew_url;
}
// If download_id was passed in the config, a renewal link can be constructed
$license_key = trim( get_option( $this->theme_slug . '_license_key', false ) );
if ( '' != $this->download_id && $license_key ) {
$url = esc_url( $this->remote_api_url );
$url .= '/checkout/?edd_license_key=' . $license_key . '&download_id=' . $this->download_id;
return $url;
}
// Otherwise return the remote_api_url
return $this->remote_api_url;
}
/**
* Checks if a license action was submitted.
*
* @since 1.0.0
*/
function license_action() {
if ( isset( $_POST[ $this->theme_slug . '_license_activate' ] ) ) {
if ( check_admin_referer( $this->theme_slug . '_nonce', $this->theme_slug . '_nonce' ) ) {
$this->activate_license();
}
}
if ( isset( $_POST[$this->theme_slug . '_license_deactivate'] ) ) {
if ( check_admin_referer( $this->theme_slug . '_nonce', $this->theme_slug . '_nonce' ) ) {
$this->deactivate_license();
}
}
}
/**
* Checks if license is valid and gets expire date.
*
* @since 1.0.0
*
* @return string $message License status message.
*/
function check_license() {
$license = trim( get_option( $this->theme_slug . '_license_key' ) );
$strings = $this->strings;
$api_params = array(
'edd_action' => 'check_license',
'license' => $license,
'item_name' => urlencode( $this->item_name ),
'url' => home_url()
);
$response = $this->get_api_response( $api_params );
// make sure the response came back okay
if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
if ( is_wp_error( $response ) ) {
$message = $response->get_error_message();
} else {
$message = $strings['license-status-unknown'];
}
$base_url = admin_url( 'themes.php?page=' . $this->theme_slug . '-license' );
$redirect = add_query_arg( array( 'sl_theme_activation' => 'false', 'message' => urlencode( $message ) ), $base_url );
wp_redirect( $redirect );
exit();
} else {
$license_data = json_decode( wp_remote_retrieve_body( $response ) );
// If response doesn't include license data, return
if ( !isset( $license_data->license ) ) {
$message = $strings['license-status-unknown'];
return $message;
}
// We need to update the license status at the same time the message is updated
if ( $license_data && isset( $license_data->license ) ) {
update_option( $this->theme_slug . '_license_key_status', $license_data->license );
}
// Get expire date
$expires = false;
if ( isset( $license_data->expires ) && 'lifetime' != $license_data->expires ) {
$expires = date_i18n( get_option( 'date_format' ), strtotime( $license_data->expires, current_time( 'timestamp' ) ) );
$renew_link = '<a href="' . esc_url( $this->get_renewal_link() ) . '" target="_blank">' . $strings['renew'] . '</a>';
} elseif ( isset( $license_data->expires ) && 'lifetime' == $license_data->expires ) {
$expires = 'lifetime';
}
// Get site counts
$site_count = $license_data->site_count;
$license_limit = $license_data->license_limit;
// If unlimited
if ( 0 == $license_limit ) {
$license_limit = $strings['unlimited'];
}
if ( $license_data->license == 'valid' ) {
$message = $strings['license-key-is-active'] . ' ';
if ( isset( $expires ) && 'lifetime' != $expires ) {
$message .= sprintf( $strings['expires%s'], $expires ) . ' ';
}
if ( isset( $expires ) && 'lifetime' == $expires ) {
$message .= $strings['expires-never'];
}
if ( $site_count && $license_limit ) {
$message .= sprintf( $strings['%1$s/%2$-sites'], $site_count, $license_limit );
}
} else if ( $license_data->license == 'expired' ) {
if ( $expires ) {
$message = sprintf( $strings['license-key-expired-%s'], $expires );
} else {
$message = $strings['license-key-expired'];
}
if ( $renew_link ) {
$message .= ' ' . $renew_link;
}
} else if ( $license_data->license == 'invalid' ) {
$message = $strings['license-keys-do-not-match'];
} else if ( $license_data->license == 'inactive' ) {
$message = $strings['license-is-inactive'];
} else if ( $license_data->license == 'disabled' ) {
$message = $strings['license-key-is-disabled'];
} else if ( $license_data->license == 'site_inactive' ) {
// Site is inactive
$message = $strings['site-is-inactive'];
} else {
$message = $strings['license-status-unknown'];
}
}
return $message;
}
/**
* Disable requests to wp.org repository for this theme.
*
* @since 1.0.0
*/
function disable_wporg_request( $r, $url ) {
// If it's not a theme update request, bail.
if ( 0 !== strpos( $url, 'https://api.wordpress.org/themes/update-check/1.1/' ) ) {
return $r;
}
// Decode the JSON response
$themes = json_decode( $r['body']['themes'] );
// Remove the active parent and child themes from the check
$parent = get_option( 'template' );
$child = get_option( 'stylesheet' );
unset( $themes->themes->$parent );
unset( $themes->themes->$child );
// Encode the updated JSON response
$r['body']['themes'] = json_encode( $themes );
return $r;
}
/**
* Admin notice
*/
function themezhut_activate_notice() {
if ( ! current_user_can( 'manage_options' ) ) {
return;
}
if ( isset( $_GET[ 'page' ] ) && $this->theme_slug . '-license' == $_GET[ 'page' ] ) {
return;
}
/* If there is no valid license key status, display this notice. */
if ( get_option( $this->theme_slug . '_license_key_status', false) != 'valid' ) {
?>
<div class="notice notice-error">
<p>
<?php
printf( __( 'In order to benefit from updates and support for %s theme, please get your license key from %syour account%s and validate it %shere%s.', 'hitmag-pro' ), $this->item_name, '<a href="https://themezhut.com/my-account/"/>', '</a>', '<a href="' . esc_url( admin_url( 'themes.php?page=' . $this->theme_slug . '-license' ) ) . '">', '</a>' );
?>
</p>
</div>
<?php
}
}
}
/**
* This is a means of catching errors from the activation method above and displyaing it to the customer
*/
function hitmag_pro_sl_admin_notices() {
if ( isset( $_GET['sl_theme_activation'] ) && ! empty( $_GET['message'] ) ) {
switch( $_GET['sl_theme_activation'] ) {
case 'false':
$message = urldecode( $_GET['message'] );
?>
<div class="error">
<p><?php echo $message; ?></p>
</div>
<?php
break;
case 'true':
default:
break;
}
}
}
add_action( 'admin_notices', 'hitmag_pro_sl_admin_notices' );