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