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<?php
/*
*
* This class handles all the update-related stuff for extensions, including adding a license section to the license tab.
* It accepts two args: Product Name and Version.
*
* @param $product_name string
* @param $version string
* @since 2.2.47
* @return void
*/
class NF_Extension_Updater
{
/*
*
* Define our class variables
*/
public $product_nice_name = '';
public $product_name = '';
public $version = '';
public $store_url = 'http://ninjaforms.com';
public $file = '';
public $author = '';
/*
*
* Constructor function
*
* @since 2.2.47
* @return void
*/
function __construct( $product_name, $version, $author, $file, $slug = '' ) {
$this->product_nice_name = $product_name;
if ( $slug == '' ) {
$this->product_name = strtolower( $product_name );
$this->product_name = preg_replace( "/[^a-zA-Z]+/", "", $this->product_name );
} else {
$this->product_name = $slug;
}
$this->version = $version;
$this->file = $file;
$this->author = $author;
$this->add_license_fields();
$this->license_status();
$this->auto_update();
} // function constructor
/*
*
* Function that adds the license entry fields to the license tab.
*
* @since 2.2.47
* @return void
*/
function add_license_fields() {
$args = array(
'page' => 'ninja-forms-settings',
'tab' => 'license_settings',
'slug' => 'license_settings',
'settings' => array(
array(
'name' => $this->product_name.'_license',
'type' => 'text',
'label' => $this->product_nice_name.' '.__( 'License Key', 'ninja-forms' ),
'desc' => __( 'You will find this included with your purchase email.', 'ninja-forms' ),
'save_function' => array( $this, 'check_license' )
),
),
);
if( function_exists( 'ninja_forms_register_tab_metabox_options' ) ){
ninja_forms_register_tab_metabox_options( $args );
}
} // function add_license_fields
/*
*
* Function that activates the license for this product
*
* @since 2.2.47
* @return void
*/
function check_license( $data ) {
$plugin_settings = nf_get_settings();
if( isset( $plugin_settings[ $this->product_name.'_license_status' ] ) ){
$status = $plugin_settings[ $this->product_name.'_license_status' ];
}else{
$status = 'invalid';
}
if( isset( $plugin_settings[ $this->product_name.'_license' ] ) ){
$old_license = $plugin_settings[ $this->product_name.'_license'];
}else{
$old_license = '';
}
if ( $old_license != '' AND $old_license != $data[ $this->product_name.'_license' ] AND $status == 'valid' ) {
$this->deactivate_license();
}
if( $old_license == '' OR ( $old_license != $data[ $this->product_name.'_license' ] ) OR $status == 'invalid' ){
$this->activate_license( $data );
}
} // function check_license
/*
*
* Function that activates our license
*
* @since 2.2.47
* @return void
*/
function activate_license( $data ) {
$plugin_settings = nf_get_settings();
// retrieve the license from the database
$license = $data[ $this->product_name.'_license' ];
// data to send in our API request
$api_params = array(
'edd_action'=> 'activate_license',
'license' => $license,
'item_name' => urlencode( $this->product_nice_name ) // the name of our product in EDD
);
// Call the custom API.
$response = wp_remote_get( add_query_arg( $api_params, $this->store_url ) );
// make sure the response came back okay
if ( is_wp_error( $response ) )
return false;
// decode the license data
$license_data = json_decode( wp_remote_retrieve_body( $response ) );
// $license_data->license will be either "valid" or "invalid"
$plugin_settings[ $this->product_name.'_license_status' ] = $license_data->license;
update_option( 'ninja_forms_settings', $plugin_settings );
}
/*
*
* Function that deactivates our license if the user clicks the "Deactivate License" button.
*
* @since 2.2.47
* @return void
*/
function deactivate_license() {
$plugin_settings = nf_get_settings();
if( isset( $plugin_settings[ $this->product_name.'_license_status' ] ) ){
$status = $plugin_settings[ $this->product_name.'_license_status' ];
}else{
$status = 'invalid';
}
if( isset( $plugin_settings[ $this->product_name.'_license' ] ) ){
$license = $plugin_settings[ $this->product_name.'_license'];
}else{
$license = '';
}
// data to send in our API request
$api_params = array(
'edd_action'=> 'deactivate_license',
'license' => $license,
'item_name' => urlencode( $this->product_nice_name ) // the name of our product in EDD
);
// Call the custom API.
$response = wp_remote_get( add_query_arg( $api_params, $this->store_url ), array( 'timeout' => 15, 'sslverify' => false ) );
// make sure the response came back okay
if ( is_wp_error( $response ) )
return false;
// decode the license data
$license_data = json_decode( wp_remote_retrieve_body( $response ) );
// $license_data->license will be either "deactivated" or "failed"
if( $license_data->license == 'deactivated' ) {
// $license_data->license will be either "valid" or "invalid"
$plugin_settings[ $this->product_name.'_license_status' ] = 'invalid';
$plugin_settings[ $this->product_name.'_license' ] = '';
update_option( 'ninja_forms_settings', $plugin_settings );
}
}
/*
*
* Function that adds the green checkmark or red X to indicate license status
*
* @since 2.2.46
* @return void
*/
function license_status() {
global $ninja_forms_tabs_metaboxes;
for ($x=0; $x < count( $ninja_forms_tabs_metaboxes['ninja-forms-settings']['license_settings']['license_settings']['settings'] ); $x++) {
if( $ninja_forms_tabs_metaboxes['ninja-forms-settings']['license_settings']['license_settings']['settings'][$x]['name'] == $this->product_name.'_license' ){
$plugin_settings = nf_get_settings();
if( !isset( $plugin_settings[ $this->product_name.'_license_status' ] ) OR $plugin_settings[ $this->product_name.'_license_status' ] == 'invalid' ){
$status = ' <img src="'.NINJA_FORMS_URL.'/images/no.png">';
}else{
$status = ' <img src="'.NINJA_FORMS_URL.'/images/yes.png">';
}
$ninja_forms_tabs_metaboxes['ninja-forms-settings']['license_settings']['license_settings']['settings'][$x]['label'] .= $status;
}
}
} // function license_status
/*
*
* Function that runs all of our auto-update functionality
*
* @since 2.2.47
* @return void
*/
function auto_update() {
$plugin_settings = nf_get_settings();
// retrieve our license key from the DB
if( isset( $plugin_settings[ $this->product_name.'_license' ] ) ){
$license = $plugin_settings[ $this->product_name.'_license' ];
}else{
$license = '';
}
// setup the updater
$edd_updater = new EDD_SL_Plugin_Updater( $this->store_url, $this->file, array(
'version' => $this->version, // current version number
'license' => $license, // license key (used get_option above to retrieve from DB)
'item_name' => $this->product_nice_name, // name of this plugin
'author' => $this->author, // author of this plugin
)
);
} // function auto_update
} // class
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