upsell_installer.php
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<?php
add_action( 'wp_ajax_emr_plugin_install', 'emr_plugin_install' );
function emr_plugin_install() {
// Run a security check first.
check_admin_referer( 'emr-plugin-install', 'nonce' );
$plugin = isset($_POST['plugin']) ? sanitize_text_field($_POST['plugin']) : null;
switch($plugin)
{
case "envira":
$download_url = 'https://downloads.wordpress.org/plugin/envira-gallery-lite.zip';
break;
case 'spio':
$download_url = 'https://downloads.wordpress.org/plugin/shortpixel-image-optimiser.zip';
break;
case 'spai':
$download_url = 'https://downloads.wordpress.org/plugin/shortpixel-adaptive-images.zip';
break;
}
// Install the addon.
if ( ! is_null($download_url ) ) {
//$download_url = esc_url_raw( wp_unslash( $_POST['plugin'] ) );
global $hook_suffix;
// Set the current screen to avoid undefined notices.
set_current_screen();
// Prepare variables.
$method = '';
$url = add_query_arg(
array(
// 'page' => 'envira-gallery-settings',
),
admin_url( 'admin.php' )
);
$url = esc_url( $url );
// Start output bufferring to catch the filesystem form if credentials are needed.
ob_start();
$creds = request_filesystem_credentials( $url, $method, false, false, null );
if ( false === $creds ) {
$form = ob_get_clean();
echo wp_json_encode( array( 'form' => $form ) );
die;
}
// If we are not authenticated, make it happen now.
if ( ! WP_Filesystem( $creds ) ) {
ob_start();
request_filesystem_credentials( $url, $method, true, false, null );
$form = ob_get_clean();
echo wp_json_encode( array( 'form' => $form ) );
die;
}
// We do not need any extra credentials if we have gotten this far, so let's install the plugin.
require_once (ABSPATH . 'wp-admin/includes/class-wp-upgrader.php');
require_once (plugin_dir_path( EMR_ROOT_FILE ) . 'classes/external/upgrader_skin.php');
// Create the plugin upgrader with our custom skin.
$skin = new EMR_Envira_Gallery_Skin();
$installer = new Plugin_Upgrader( $skin );
$installer->install( $download_url );
// Flush the cache and return the newly installed plugin basename.
wp_cache_flush();
if ( $installer->plugin_info() ) {
$plugin_basename = $installer->plugin_info();
ob_clean();
wp_send_json_success( array( 'plugin' => $plugin_basename ) );
die();
}
}
// Send back a response.
wp_send_json(array('result'=> false));
die;
}
add_action( 'wp_ajax_emr_plugin_activate', 'emr_activate' );
/**
* Activates an Envira addon.
*
* @since 1.0.0
*/
function emr_activate() {
// Run a security check first.
check_admin_referer( 'emr-plugin-activate', 'nonce' );
$plugin = isset($_POST['plugin']) ? sanitize_text_field($_POST['plugin']) : null;
switch($plugin)
{
case "envira":
$plugin = 'envira-gallery-lite/envira-gallery-lite.php';
break;
case 'spio':
$plugin = 'shortpixel-image-optimiser/wp-shortpixel.php';
break;
case 'spai':
$plugin = 'shortpixel-adaptive-images/short-pixel-ai.php';
break;
}
// Activate the addon.
if ( ! is_null($plugin) ) {
$activate = activate_plugin( $plugin );
if ( is_wp_error( $activate ) ) {
echo json_encode( array( 'error' => $activate->get_error_message() ) );
die;
}
}
echo json_encode( true );
die;
}