themes->{$this->product->get_slug()} );
// Encode the updated JSON response.
$r['body']['themes'] = json_encode( $themes );
return $r;
}
/**
* Register the setting for the license of the product.
*
* @return bool
*/
public function register_settings() {
if ( ! is_admin() ) {
return false;
}
add_settings_field(
$this->product->get_key() . '_license',
$this->product->get_name() . ' license',
array( $this, 'license_view' ),
'general'
);
}
/**
* The license view field.
*/
public function license_view() {
$status = $this->get_license_status();
$value = $this->license_key;
$activate_string = apply_filters( $this->product->get_key() . '_lc_activate_string', 'Activate' );
$deactivate_string = apply_filters( $this->product->get_key() . '_lc_deactivate_string', 'Deactivate' );
$valid_string = apply_filters( $this->product->get_key() . '_lc_valid_string', 'Valid' );
$invalid_string = apply_filters( $this->product->get_key() . '_lc_invalid_string', 'Invalid' );
$license_message = apply_filters( $this->product->get_key() . '_lc_license_message', 'Enter your license from %s purchase history in order to get %s updates' );
echo '' . $valid_string ) : ( 'style="color:#fff;background: #dd3d36; display: inline-block;text-decoration: none;font-size: 13px;line-height: 26px;height: 26px; margin-left:5px; padding: 0 10px 1px; -webkit-border-radius: 3px;border-radius: 3px; ">' . $invalid_string ) ) . ' ' . $deactivate_string ) : ( ' class="button button-primary" value="yes" type="submit" >' . $activate_string ) ) . '
' . sprintf( $license_message, '' . $this->get_distributor_name() . ' ', $this->product->get_type() ) . '
';
}
/**
* Return the license status.
*
* @return string The License status.
*/
public function get_license_status() {
$license_data = get_option( $this->product->get_key() . '_license_data', '' );
if ( '' === $license_data ) {
return get_option( $this->product->get_key() . '_license_status', 'not_active' );
}
return isset( $license_data->license ) ? $license_data->license : get_option( $this->product->get_key() . '_license_status', 'not_active' );
}
/**
* Get remote api url.
*
* @return string Remote api url.
*/
public function get_api_url() {
if ( $this->is_from_partner( $this->product ) ) {
return 'https://themeisle.com';
}
return $this->product->get_store_url();
}
/**
* Get remote api url.
*
* @return string Remote api url.
*/
public function get_distributor_name() {
if ( $this->is_from_partner( $this->product ) ) {
return 'ThemeIsle';
}
return $this->product->get_store_name();
}
/**
* Show the admin notice regarding the license status.
*
* @return bool Should we show the notice ?
*/
function show_notice() {
if ( ! is_admin() ) {
return false;
}
$status = $this->get_license_status();
$no_activations_string = apply_filters( $this->product->get_key() . '_lc_no_activations_string', 'No activations left for %s !!!. You need to upgrade your plan in order to use %s on more websites. Please ask the %s Staff for more details.' );
$no_valid_string = apply_filters( $this->product->get_key() . '_lc_no_valid_string', 'In order to benefit from updates and support for %s, please add your license code from your purchase history and validate it here . ' );
$expiration_string = apply_filters( $this->product->get_key() . '_lc_expiration_string', 'Your license is about to expire for %s. You can go to %s and renew it ' );
// No activations left for this license.
if ( 'valid' != $status && $this->check_activation() ) {
?>
product->get_name() . ' ' . $this->product->get_type(), $this->get_api_url(), admin_url( 'options-general.php' ) . '#' . $this->product->get_key() ); ?>
check_expiration() ) {
?>
product->get_key() . '_license_data', '' );
if ( '' === $license_data ) {
return false;
}
return isset( $license_data->error ) ? ( 'no_activations_left' == $license_data->error ) : false;
}
/**
* Check if the license is about to expire in the next month.
*
* @return bool
*/
function check_expiration() {
$license_data = get_option( $this->product->get_key() . '_license_data', '' );
if ( '' === $license_data ) {
return false;
}
if ( ! isset( $license_data->expires ) ) {
return false;
}
if ( strtotime( $license_data->expires ) - time() > 30 * 24 * 3600 ) {
return false;
}
return true;
}
/**
* Return the renew url from the store used.
*
* @return string The renew url.
*/
function renew_url() {
$license_data = get_option( $this->product->get_key() . '_license_data', '' );
if ( '' === $license_data ) {
return $this->get_api_url();
}
if ( ! isset( $license_data->download_id ) || ! isset( $license_data->key ) ) {
return $this->get_api_url();
}
return $this->get_api_url() . '/checkout/?edd_license_key=' . $license_data->key . '&download_id=' . $license_data->download_id;
}
/**
* Run the license check call.
*/
public function product_valid() {
if ( false !== ( $license = get_transient( $this->product->get_key() . '_license_data' ) ) ) {
return;
}
$license = $this->check_license();
set_transient( $this->product->get_key() . '_license_data', $license, 12 * HOUR_IN_SECONDS );
update_option( $this->product->get_key() . '_license_data', $license );
}
/**
* Check the license status.
*
* @return object The license data.
*/
public function check_license() {
$status = $this->get_license_status();
if ( 'not_active' == $status ) {
$license_data = new \stdClass();
$license_data->license = 'not_active';
return $license_data;
}
$license = trim( $this->license_key );
$api_params = array(
'edd_action' => 'check_license',
'license' => $license,
'item_name' => rawurlencode( $this->product->get_name() ),
'url' => rawurlencode( home_url() ),
);
// Call the custom API.
$response = wp_remote_get(
add_query_arg( $api_params, $this->get_api_url() ),
array(
'timeout' => 15,
'sslverify' => false,
)
);
if ( is_wp_error( $response ) ) {
$license_data = new \stdClass();
$license_data->license = 'valid';
} else {
$license_data = json_decode( wp_remote_retrieve_body( $response ) );
if ( ! is_object( $license_data ) ) {
$license_data = new \stdClass();
$license_data->license = 'valid';
}
}
$license_old = get_option( $this->product->get_key() . '_license_data', '' );
if ( 'valid' == $license_old->license && ( $license_data->license != $license_old->license ) ) {
$this->increment_failed_checks();
} else {
$this->reset_failed_checks();
}
if ( $this->failed_checks <= self::$max_failed ) {
return $license_old;
}
if ( isset( $license_old->hide_valid ) ) {
$license_data->hide_valid = true;
}
if ( ! isset( $license_data->key ) ) {
$license_data->key = isset( $license_old->key ) ? $license_old->key : '';
}
if ( isset( $license_old->hide_expiration ) ) {
$license_data->hide_expiration = true;
}
if ( isset( $license_old->hide_activation ) ) {
$license_data->hide_activation = true;
}
return $license_data;
}
/**
* Increment the failed checks.
*/
private function increment_failed_checks() {
$this->failed_checks ++;
update_option( $this->product->get_key() . '_failed_checks', $this->failed_checks );
}
/**
* Reset the failed checks
*/
private function reset_failed_checks() {
$this->failed_checks = 1;
update_option( $this->product->get_key() . '_failed_checks', $this->failed_checks );
}
/**
* Activate the license remotely.
*/
function activate_license() {
// listen for our activate button to be clicked.
if ( ! isset( $_POST[ $this->product->get_key() . '_btn_trigger' ] ) ) {
return;
}
$status = $this->get_license_status();
// retrieve the license from the database.
$license = $_POST[ $this->product->get_key() . '_license' ];
$api_params = array(
'license' => $license,
'item_name' => rawurlencode( $this->product->get_name() ),
'url' => rawurlencode( home_url() ),
);
if ( 'valid' != $status ) {
// data to send in our API request.
$api_params['edd_action'] = 'activate_license';
} else {
$api_params['edd_action'] = 'deactivate_license';
}
// Call the custom API.
$response = wp_remote_get( add_query_arg( $api_params, $this->get_api_url() ) );
// make sure the response came back okay.
if ( is_wp_error( $response ) ) {
$license_data = new \stdClass();
$license_data->license = ( 'valid' != $status ) ? 'valid' : 'invalid';
} else {
$license_data = json_decode( wp_remote_retrieve_body( $response ) );
if ( ! is_object( $license_data ) ) {
$license_data = new \stdClass();
$license_data->license = ( 'valid' != $status ) ? 'valid' : 'invalid';
}
if ( ! isset( $license_data->license ) ) {
$license_data->license = 'invalid';
}
}
if ( ! isset( $license_data->key ) ) {
$license_data->key = $license;
}
if ( 'valid' == $license_data->license ) {
$this->reset_failed_checks();
}
if ( isset( $license_data->plan ) ) {
update_option( $this->product->get_key() . '_license_plan', $license_data->plan );
}
update_option( $this->product->get_key() . '_license_data', $license_data );
set_transient( $this->product->get_key() . '_license_data', $license_data, 12 * HOUR_IN_SECONDS );
}
/**
* Load the Themes screen.
*/
function load_themes_screen() {
add_thickbox();
add_action( 'admin_notices', array( &$this, 'update_nag' ) );
}
/**
* Alter the nag for themes update.
*/
function update_nag() {
$theme = wp_get_theme( $this->product->get_slug() );
$api_response = get_transient( $this->product_key );
if ( false === $api_response ) {
return;
}
$update_url = wp_nonce_url( 'update.php?action=upgrade-theme&theme=' . urlencode( $this->product->get_slug() ), 'upgrade-theme_' . $this->product->get_slug() );
$update_message = apply_filters( 'themeisle_sdk_license_update_message', 'Updating this theme will lose any customizations you have made. Cancel to stop, OK to update.' );
$update_onclick = ' onclick="if ( confirm(\'' . esc_js( $update_message ) . '\') ) {return true;}return false;"';
if ( version_compare( $this->product->get_version(), $api_response->new_version, '<' ) ) {
echo '';
printf(
'
%1$s %2$s is available.
Check out what\'s new or
update now .',
$theme->get( 'Name' ),
$api_response->new_version,
'#TB_inline?width=640&inlineId=' . $this->product->get_version() . '_changelog',
$theme->get( 'Name' ),
$update_url,
$update_onclick
);
echo '
';
echo wpautop( $api_response->sections['changelog'] );
echo '
';
}
}
/**
* Alter update transient.
*
* @param mixed $value The transient data.
*
* @return mixed
*/
function theme_update_transient( $value ) {
$update_data = $this->check_for_update();
if ( $update_data ) {
$value->response[ $this->product->get_slug() ] = $update_data;
}
return $value;
}
/**
* Check for updates
*
* @return array|bool Either the update data or false in case of failure.
*/
function check_for_update() {
$update_data = get_transient( $this->product_key );
if ( false === $update_data ) {
$failed = false;
$update_data = $this->get_version_data();
if ( empty( $update_data ) ) {
$failed = true;
}
// If the response failed, try again in 30 minutes.
if ( $failed ) {
$data = new \stdClass();
$data->new_version = $this->product->get_version();
set_transient( $this->product_key, $data, 30 * MINUTE_IN_SECONDS );
return false;
}
$update_data->sections = maybe_unserialize( $update_data->sections );
set_transient( $this->product_key, $update_data, 12 * HOUR_IN_SECONDS );
}
if ( ! isset( $update_data->new_version ) ) {
return false;
}
if ( version_compare( $this->product->get_version(), $update_data->new_version, '>=' ) ) {
return false;
}
return (array) $update_data;
}
/**
* Check remote api for latest version.
*
* @return bool|mixed Update api response.
*/
private function get_version_data() {
$api_params = array(
'edd_action' => 'get_version',
'version' => $this->product->get_version(),
'license' => $this->license_key,
'name' => $this->product->get_name(),
'slug' => $this->product->get_slug(),
'author' => $this->get_distributor_name(),
'url' => rawurlencode( home_url() ),
);
$response = wp_remote_get(
$this->get_api_url(),
array(
'timeout' => 15,
'sslverify' => false,
'body' => $api_params,
)
);
if ( is_wp_error( $response ) || 200 != wp_remote_retrieve_response_code( $response ) ) {
return false;
}
$update_data = json_decode( wp_remote_retrieve_body( $response ) );
if ( ! is_object( $update_data ) ) {
return false;
}
return $update_data;
}
/**
* Delete the update transient
*/
function delete_theme_update_transient() {
delete_transient( $this->product_key );
}
/**
* Check for Updates at the defined API endpoint and modify the update array.
*
* @param array $_transient_data Update array build by WordPress.
*
* @return mixed Modified update array with custom plugin data.
*/
public function pre_set_site_transient_update_plugins_filter( $_transient_data ) {
if ( empty( $_transient_data ) || ! $this->do_check ) {
$this->do_check = true;
return $_transient_data;
}
$api_response = $this->api_request();
if ( false !== $api_response && is_object( $api_response ) && isset( $api_response->new_version ) ) {
if ( version_compare( $this->product->get_version(), $api_response->new_version, '<' ) ) {
$_transient_data->response[ $this->product->get_slug() . '/' . $this->product->get_file() ] = $api_response;
}
}
return $_transient_data;
}
/**
* Calls the API and, if successfull, returns the object delivered by the API.
*
* @param string $_action The requested action.
* @param array $_data Parameters for the API action.
*
* @return false||object
*/
private function api_request( $_action = '', $_data = '' ) {
$update_data = $this->get_version_data();
if ( empty( $update_data ) ) {
return false;
}
if ( $update_data && isset( $update_data->sections ) ) {
$update_data->sections = maybe_unserialize( $update_data->sections );
}
return $update_data;
}
/**
* Updates information on the "View version x.x details" page with custom data.
*
* @param mixed $_data Plugin data.
* @param string $_action Action to send.
* @param object $_args Arguments to use.
*
* @return object $_data
*/
public function plugins_api_filter( $_data, $_action = '', $_args = null ) {
if ( ( 'plugin_information' != $_action ) || ! isset( $_args->slug ) || ( $_args->slug != $this->product->get_slug() ) ) {
return $_data;
}
$api_response = $this->api_request();
if ( false !== $api_response ) {
$_data = $api_response;
}
return $_data;
}
/**
* Disable SSL verification in order to prevent download update failures.
*
* @param array $args Http args.
* @param string $url Url to check.
*
* @return array $array
*/
function http_request_args( $args, $url ) {
// If it is an https request and we are performing a package download, disable ssl verification.
if ( strpos( $url, 'https://' ) !== false && strpos( $url, 'edd_action=package_download' ) ) {
$args['sslverify'] = false;
}
return $args;
}
/**
* Check if we should load the module for this product.
*
* @param Product $product Product data.
*
* @return bool Should we load the module?
*/
public function can_load( $product ) {
if ( $product->is_wordpress_available() ) {
return false;
}
return ( apply_filters( $product->get_key() . '_enable_licenser', true ) === true );
}
/**
* Load module logic.
*
* @param Product $product Product to load the module for.
*
* @return Licenser Module object.
*/
public function load( $product ) {
$this->product = $product;
$this->product_key = $this->product->get_key() . '-update-response';
$this->license_key = $this->product->get_license();
if ( $this->product->requires_license() ) {
$this->failed_checks = intval( get_option( $this->product->get_key() . '_failed_checks', 0 ) );
$this->register_license_hooks();
}
if ( $this->product->is_plugin() ) {
add_filter(
'pre_set_site_transient_update_plugins',
[
$this,
'pre_set_site_transient_update_plugins_filter',
]
);
add_filter( 'plugins_api', array( $this, 'plugins_api_filter' ), 10, 3 );
add_filter( 'http_request_args', array( $this, 'http_request_args' ), 10, 2 );
return $this;
}
if ( $this->product->is_theme() ) {
add_filter( 'site_transient_update_themes', array( &$this, 'theme_update_transient' ) );
add_filter( 'delete_site_transient_update_themes', array( &$this, 'delete_theme_update_transient' ) );
add_action( 'load-update-core.php', array( &$this, 'delete_theme_update_transient' ) );
add_action( 'load-themes.php', array( &$this, 'delete_theme_update_transient' ) );
add_action( 'load-themes.php', array( &$this, 'load_themes_screen' ) );
add_filter( 'http_request_args', array( $this, 'disable_wporg_update' ), 5, 2 );
return $this;
}
return $this;
}
/**
* Register license fields for the products.
*/
public function register_license_hooks() {
add_action( 'admin_init', array( $this, 'register_settings' ) );
add_action( 'admin_init', array( $this, 'activate_license' ) );
add_action( 'admin_init', array( $this, 'product_valid' ), 99999999 );
add_action( 'admin_notices', array( $this, 'show_notice' ) );
add_filter( $this->product->get_key() . '_license_status', array( $this, 'get_license_status' ) );
}
}