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<?php
namespace WPForms\Lite\Admin;
use WP_Error;
use WPForms\Helpers\PluginSilentUpgrader;
/**
* WPForms Connect.
*
* WPForms Connect is our service that makes it easy for non-techy users to
* upgrade to WPForms Pro without having to manually install WPForms Pro plugin.
*
* @since 1.5.5
*/
class Connect {
/**
* Constructor.
*
* @since 1.5.5
*/
public function __construct() {
$this->hooks();
}
/**
* Hooks.
*
* @since 1.5.5
*/
public function hooks() {
add_action( 'wpforms_settings_enqueue', [ $this, 'settings_enqueues' ] );
add_action( 'wp_ajax_wpforms_connect_url', [ $this, 'generate_url' ] );
add_action( 'wp_ajax_nopriv_wpforms_connect_process', [ $this, 'process' ] );
}
/**
* Settings page enqueues.
*
* @since 1.5.5
*/
public function settings_enqueues() {
$min = \wpforms_get_min_suffix();
\wp_enqueue_script(
'wpforms-connect',
\WPFORMS_PLUGIN_URL . "assets/lite/js/admin/connect{$min}.js",
[ 'jquery' ],
\WPFORMS_VERSION,
true
);
}
/**
* Generate and return WPForms Connect URL.
*
* @since 1.5.5
*/
public function generate_url() {
// Run a security check.
\check_ajax_referer( 'wpforms-admin', 'nonce' );
// Check for permissions.
if ( ! \current_user_can( 'install_plugins' ) ) {
\wp_send_json_error( [ 'message' => \esc_html__( 'You are not allowed to install plugins.', 'wpforms-lite' ) ] );
}
$key = ! empty( $_POST['key'] ) ? \sanitize_text_field( \wp_unslash( $_POST['key'] ) ) : ''; // phpcs:ignore WordPress.Security.NonceVerification
if ( empty( $key ) ) {
\wp_send_json_error( [ 'message' => \esc_html__( 'Please enter your license key to connect.', 'wpforms-lite' ) ] );
}
if ( wpforms()->is_pro() ) {
\wp_send_json_error( [ 'message' => \esc_html__( 'Only the Lite version can be upgraded.', 'wpforms-lite' ) ] );
}
// Verify pro version is not installed.
$active = \activate_plugin( 'wpforms/wpforms.php', false, false, true );
if ( ! \is_wp_error( $active ) ) {
// Deactivate Lite.
$plugin = \plugin_basename( WPFORMS_PLUGIN_FILE );
\deactivate_plugins( $plugin );
do_action( 'wpforms_plugin_deactivated', $plugin );
\wp_send_json_success(
[
'message' => \esc_html__( 'WPForms Pro is installed but not activated.', 'wpforms-lite' ),
'reload' => true,
]
);
}
// Generate URL.
$oth = hash( 'sha512', \wp_rand() );
\update_option( 'wpforms_connect_token', $oth );
\update_option( 'wpforms_connect', $key );
$version = WPFORMS_VERSION;
$endpoint = \admin_url( 'admin-ajax.php' );
$redirect = \admin_url( 'admin.php?page=wpforms-settings' );
$url = \add_query_arg(
[
'key' => $key,
'oth' => $oth,
'endpoint' => $endpoint,
'version' => $version,
'siteurl' => \admin_url(),
'homeurl' => \home_url(),
'redirect' => rawurldecode( base64_encode( $redirect ) ), // phpcs:ignore
'v' => 2,
],
'https://upgrade.wpforms.com'
);
\wp_send_json_success(
[
'url' => $url,
'back_url' => \add_query_arg(
[
'action' => 'wpforms_connect',
'oth' => $oth,
],
$endpoint
),
]
);
}
/**
* Process WPForms Connect.
*
* @since 1.5.5
*/
public function process() {
$error = esc_html__( 'There was an error while installing an upgrade. Please download the plugin from wpforms.com and install it manually.', 'wpforms-lite' );
// Verify params present (oth & download link).
$post_oth = ! empty( $_REQUEST['oth'] ) ? \sanitize_text_field( \wp_unslash( $_REQUEST['oth'] ) ) : ''; // phpcs:ignore WordPress.Security.NonceVerification
$post_url = ! empty( $_REQUEST['file'] ) ? \esc_url_raw( \wp_unslash( $_REQUEST['file'] ) ) : ''; // phpcs:ignore WordPress.Security.NonceVerification
if ( empty( $post_oth ) || empty( $post_url ) ) {
\wp_send_json_error( $error );
}
// Verify oth.
$oth = \get_option( 'wpforms_connect_token' );
if ( empty( $oth ) || ! hash_equals( $oth, $post_oth ) ) {
\wp_send_json_error( $error );
}
// Delete so cannot replay.
\delete_option( 'wpforms_connect_token' );
// Set the current screen to avoid undefined notices.
\set_current_screen( 'wpforms_page_wpforms-settings' );
// Prepare variables.
$url = \esc_url_raw(
\add_query_arg(
[ 'page' => 'wpforms-settings' ],
\admin_url( 'admin.php' )
)
);
// Verify pro not activated.
if ( wpforms()->is_pro() ) {
\wp_send_json_success( \esc_html__( 'Plugin installed & activated.', 'wpforms-lite' ) );
}
// Verify pro not installed.
$active = \activate_plugin( 'wpforms/wpforms.php', $url, false, true );
if ( ! \is_wp_error( $active ) ) {
$plugin = plugin_basename( WPFORMS_PLUGIN_FILE );
\deactivate_plugins( $plugin );
do_action( 'wpforms_plugin_deactivated', $plugin );
\wp_send_json_success( esc_html__( 'Plugin installed & activated.', 'wpforms-lite' ) );
}
$creds = \request_filesystem_credentials( $url, '', false, false, null );
// Check for file system permissions.
if ( false === $creds || ! \WP_Filesystem( $creds ) ) {
\wp_send_json_error(
\esc_html__( 'There was an error while installing an upgrade. Please check file system permissions and try again. Also, you can download the plugin from wpforms.com and install it manually.', 'wpforms-lite' )
);
}
/*
* We do not need any extra credentials if we have gotten this far, so let's install the plugin.
*/
// Do not allow WordPress to search/download translations, as this will break JS output.
\remove_action( 'upgrader_process_complete', [ 'Language_Pack_Upgrader', 'async_upgrade' ], 20 );
// Create the plugin upgrader with our custom skin.
$installer = new PluginSilentUpgrader( new ConnectSkin() );
// Error check.
if ( ! method_exists( $installer, 'install' ) ) {
\wp_send_json_error( $error );
}
// Check license key.
$key = \get_option( 'wpforms_connect', false );
if ( empty( $key ) ) {
\wp_send_json_error(
new WP_Error(
'403',
\esc_html__( 'No key provided.', 'wpforms-lite' )
)
);
}
$installer->install( $post_url ); // phpcs:ignore
// Flush the cache and return the newly installed plugin basename.
\wp_cache_flush();
$plugin_basename = $installer->plugin_info();
if ( $plugin_basename ) {
// Deactivate the lite version first.
$plugin = \plugin_basename( WPFORMS_PLUGIN_FILE );
\deactivate_plugins( $plugin );
do_action( 'wpforms_plugin_deactivated', $plugin );
// Activate the plugin silently.
$activated = \activate_plugin( $plugin_basename, '', false, true );
if ( ! \is_wp_error( $activated ) ) {
\add_option( 'wpforms_install', 1 );
\wp_send_json_success( \esc_html__( 'Plugin installed & activated.', 'wpforms-lite' ) );
} else {
// Reactivate the lite plugin if pro activation failed.
\activate_plugin( \plugin_basename( WPFORMS_PLUGIN_FILE ), '', false, true );
\wp_send_json_error( \esc_html__( 'Pro version installed but needs to be activated on the Plugins page inside your WordPress admin.', 'wpforms-lite' ) );
}
}
\wp_send_json_error( $error );
}
}
Zerion Mini Shell 1.0