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<?php |
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|
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// Do not allow the file to be called directly. |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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/** |
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* This class is used to activate and deactivate the plugin. |
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* Additionally, we use it to run migrations. |
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*/ |
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class P_Activation extends P_Core { |
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|
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/** |
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* Add the actions required for the activation. |
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* |
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* @param Patchstack $core |
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* @return void |
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*/ |
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public function __construct( $core ) { |
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parent::__construct( $core ); |
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add_action( 'activated_plugin', array( $this, 'redirect_activation' ), 10, 2 ); |
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} |
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|
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/** |
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* Redirect the user to our settings page after plugin activation. |
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* |
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* @param string $plugin The plugin that is activated. |
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* @param boolean $network_activation If a network wide activation. (multisite) |
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* @return void |
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*/ |
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public function redirect_activation( $plugin, $network_activation ) { |
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if ( $plugin == $this->plugin->basename ) { |
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|
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// In case of multisite, we want to redirect the user to a different page. |
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if ( $network_activation ) { |
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wp_safe_redirect( network_admin_url( 'admin.php?page=patchstack-multisite-settings&tab=multisite&activated=1' ) ); |
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} else { |
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wp_safe_redirect( admin_url( 'admin.php?page=' . $this->plugin->name . '&activated=1' ) ); |
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} |
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exit; |
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} |
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} |
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|
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/** |
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* Check if the plugin meets requirements and disable it if they are not present. |
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* |
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* @return boolean |
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*/ |
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public function check_requirements() { |
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if ( $this->meets_requirements() ) { |
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return true; |
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} |
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|
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// Add a dashboard notice. |
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add_action( 'all_admin_notices', array( $this, 'requirements_not_met_notice' ) ); |
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return false; |
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} |
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|
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/** |
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* Check that all plugin requirements are met. |
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* |
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* @return boolean |
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*/ |
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public function meets_requirements() { |
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// Check to see if we can access the API. |
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$response = wp_remote_request( |
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$this->plugin->api_url, |
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array( |
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'method' => 'GET', |
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'timeout' => 10, |
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'redirection' => 5, |
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) |
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); |
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|
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// Check if we can access the API. |
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if ( is_wp_error( $response ) ) { |
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$this->activation_errors[] = 'We were unable to contact our API server. Please contact your host and ask them to make sure that outgoing connections to api.webarxsecurity.com and api.patchstack.com are not blocked.<br />Additional error message to give to your host: ' . $response->get_error_message(); |
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return false; |
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} |
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|
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// Do checks for required classes / functions or similar. |
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// Add detailed messages to $this->activation_errors array. |
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if ( version_compare( phpversion(), '5.3.0', '<' ) ) { |
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$this->activation_errors[] = 'Please update the PHP version on your host to at least 5.3.0. Ask your host if you do not know what this means.'; |
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return false; |
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} |
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|
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global $wp_version; |
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if ( version_compare( $wp_version, '4.3.0', '<' ) ) { |
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$this->activation_errors[] = 'Please upgrade your WordPress site to at least 4.3.0.'; |
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return false; |
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} |
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|
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// Check if the webarx/webarx.php plugin is present, if so, remove it. |
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if ( is_dir( WP_PLUGIN_DIR . '/webarx' ) ) { |
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|
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// Migrate all current options to the new prefix. |
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global $wpdb; |
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$wpdb->query( 'INSERT IGNORE INTO ' . $wpdb->prefix . "options (option_name, option_value, autoload) SELECT REPLACE(option_name, 'webarx_', 'patchstack_') as option_name, option_value, autoload FROM " . $wpdb->prefix . "options WHERE option_name like 'webarx_%'" ); |
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$wpdb->query( 'UPDATE ' . $wpdb->prefix . 'options AS a SET option_value = (SELECT option_value FROM ' . $wpdb->prefix . "options WHERE option_name = REPLACE(a.option_name, 'patchstack_', 'webarx_')) WHERE option_name LIKE 'patchstack_%'" ); |
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|
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// Remove the plugin. |
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include_once ABSPATH . 'wp-admin/includes/plugin.php'; |
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$delete = delete_plugins( array( 'webarx/webarx.php' ) ); |
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|
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// Failure? |
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if ( $delete !== true ) { |
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$this->activation_errors[] = 'An older Patchstack plugin is installed and could not be automatically removed. Please manually remove the Patchstack or WebARX plugin older than 2.1.0 first and then install this plugin again.'; |
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|
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// Null means filesystem related error. |
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if ( is_null( $delete ) ) { |
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$this->activation_errors[] = 'Detailed error: filesystem credentials are required to proceed the automatic deletion of the older Patchstack plugin.'; |
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} |
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|
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// WP_Error instance means other type of failure. |
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if ( is_wp_error( $delete ) ) { |
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$this->activation_errors[] = 'Detailed error: ' . $delete->get_error_message(); |
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} |
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|
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return false; |
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} |
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|
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update_option( 'patchstack_license_free', '0' ); |
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} |
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|
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return true; |
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} |
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|
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/** |
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* Adds a notice to the dashboard if the plugin requirements are not met. |
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* |
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* @return void |
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*/ |
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public function requirements_not_met_notice() { |
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// Deactivate the plugin. |
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deactivate_plugins( $this->plugin->basename ); |
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|
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// Compile default message. |
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$default_message = __( 'Patchstack could not be activated due to a conflict. See below for information regarding the conflict.<br />', 'patchstack' ); |
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|
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// Print the errors on the screen. |
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echo wp_kses_post( $default_message ); |
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echo wp_kses_post( implode( '<br />', $this->activation_errors ) ); |
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} |
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|
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/** |
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* Activate the plugin. |
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* |
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* @param Patchstack $core |
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* @return void |
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*/ |
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public function activate( $core ) { |
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// Bail early if requirements are not met. |
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if ( ! $this->check_requirements() ) { |
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$this->requirements_not_met_notice(); |
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exit; |
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} |
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|
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// Make sure any rewrite functionality has been loaded. |
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$this->migrate(); |
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add_option( 'patchstack_first_activated', '1' ); |
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|
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// Activate the license. |
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if ( $this->plugin->client_id != 'PATCHSTACK_CLIENT_ID' && $this->plugin->private_key != 'PATCHSTACK_PRIVATE_KEY' ) { |
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$this->alter_license( $this->plugin->client_id, $this->plugin->private_key, 'activate' ); |
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} elseif ( get_option( 'patchstack_clientid', false ) != false && get_option( 'patchstack_secretkey', false ) != false ) { |
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$this->alter_license( get_option( 'patchstack_clientid' ), get_option( 'patchstack_secretkey' ), 'activate' ); |
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} else { |
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update_option( 'patchstack_license_free', '1' ); |
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} |
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|
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// Update firewall status after activating plugin |
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$api = new P_Api( $core ); |
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$token = $api->get_access_token(); |
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if ( ! empty( $token ) ) { |
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$api->update_firewall_status( array( 'status' => 1 ) ); |
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$api->update_url( array( 'plugin_url' => get_option( 'siteurl' ) ) ); |
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} |
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|
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// Immediately send software data to our server to set firewall as enabled. |
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// Also immediately download the whitelist file and the firewall rules. |
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do_action( 'patchstack_send_software_data' ); |
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if ( get_option( 'patchstack_license_free', 0 ) != 1 ) { |
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do_action( 'patchstack_post_firewall_rules' ); |
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do_action( 'patchstack_post_dynamic_firewall_rules' ); |
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} |
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|
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// One time actions should be placed here. |
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$this->plugin->hardening->delete_readme(); |
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} |
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|
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/** |
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* Used to activate an individual license on multisite/network. |
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* |
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* @param object $site |
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* @param array $license |
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* @return void |
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*/ |
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public function activate_multisite_license( $site, $license ) { |
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// Build the Patchstack tables on the site. |
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$this->migrate( null, $site->id ); |
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|
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// Add the options to given site. |
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foreach ( $this->plugin->admin_options->options as $name => $value ) { |
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add_blog_option( $site->id, $name, $value ); |
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} |
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|
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// Set the client id and secret key. |
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update_blog_option( $site->id, 'patchstack_clientid', $license['id'] ); |
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update_blog_option( $site->id, 'patchstack_secretkey', $license['secret'] ); |
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$this->plugin->api->blog_id = $site->id; |
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|
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// Activate the license and update firewall status after activating the plugin. |
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$token = $this->plugin->api->get_access_token( $license['id'], $license['secret'], true ); |
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if ( ! empty( $token ) ) { |
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$this->plugin->api->update_firewall_status( array( 'status' => $this->get_option( 'patchstack_basic_firewall' ) == 1 ) ); |
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$this->plugin->api->update_url( array( 'plugin_url' => get_blog_option( $site->id, 'siteurl' ) ) ); |
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|
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// If we have an access token, tell our API that the firewall is activated |
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// and the current URL of the site. |
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update_blog_option( $site->id, 'patchstack_license_activated', '1' ); |
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$this->plugin->api->update_license_status(); |
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|
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// This will trigger the software synchronization action. |
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wp_remote_get( get_site_url( $site->id ), array( 'sslverify' => false ) ); |
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} |
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|
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// Make sure to switch back to the current blog id. |
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$this->plugin->api->blog_id = get_current_blog_id(); |
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} |
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|
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/** |
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* Build the required Patchstack tables. |
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* |
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* @param null|string $ver The version to upgrade to. |
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* @param null|integer $site_id The blog id to perform the upgrades on. |
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* @return void |
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*/ |
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public function migrate( $ver = null, $site_id = null ) { |
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global $wpdb; |
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require_once ABSPATH . 'wp-admin/includes/upgrade.php'; |
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$charset_collate = $wpdb->get_charset_collate(); |
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$prefix = $site_id != null ? $wpdb->get_blog_prefix( $site_id ) : $wpdb->prefix; |
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|
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// The following conditions will only execute if Patchstack is installed because of an update |
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// and if we need to perform migrations. |
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if ( $ver !== null && file_exists( dirname( __FILE__ ) . '/migrations/v' . str_replace( '.', '', $ver ) . '.php' ) ) { |
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require_once dirname( __FILE__ ) . '/migrations/v' . str_replace( '.', '', $ver ) . '.php'; |
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return; |
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} |
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|
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// Require the base migration. |
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require_once dirname( __FILE__ ) . '/migrations/base.php'; |
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} |
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|
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/** |
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* Check if the database version of the plugin is running behind. |
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* If so, run the migrations up until the latest version. |
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* |
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* @return void |
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*/ |
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public function migrate_check() { |
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// Only perform migrations if we have any to execute. |
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$versions = array(); |
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if ( count( $versions ) == 0 ) { |
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return; |
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} |
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|
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// Get current database version and run the migrations. |
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$db_version = get_option( 'patchstack_db_version', false ); |
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foreach ( $versions as $version ) { |
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if ( version_compare( $db_version, $version, '<' ) ) { |
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$this->migrate( $version ); |
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} |
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} |
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} |
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|
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/** |
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* Perform cleanup when the plugin is deactivated. |
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* |
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* @return void |
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*/ |
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public function deactivate() { |
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// Update firewall status after de-activating plugin |
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$api = new P_Api( $this ); |
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$token = $api->get_access_token(); |
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if ( ! empty( $token ) ) { |
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$api->update_firewall_status( array( 'status' => 0 ) ); |
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} |
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|
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// Clear all Patchstack scheduled tasks. |
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$tasks = array( 'patchstack_zip_backup', 'patchstack_send_software_data', 'patchstack_send_hacker_logs', 'patchstack_send_visitor_logs', 'patchstack_send_event_logs', 'patchstack_reset_blocked_attacks', 'patchstack_post_firewall_rules', 'patchstack_post_firewall_htaccess_rules', 'patchstack_post_dynamic_firewall_rules', 'patchstack_update_license_status', 'patchstack_update_plugins', 'patchstack_send_ping', 'puc_cron_check_updates-webarx' ); |
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foreach ( $tasks as $task ) { |
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wp_clear_scheduled_hook( $task ); |
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} |
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|
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// Cleanup the .htaccess file. |
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$this->plugin->htaccess->cleanup_htaccess_file(); |
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} |
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|
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/** |
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* Activate or deactivate a license on the current site. |
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* |
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* @param integer $id |
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* @param string $secret |
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* @param string $action |
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* @return array |
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*/ |
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public function alter_license( $id, $secret, $action ) { |
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// Store current keys in tmp variable so in case it fails, we can set it back. |
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$tmp_id = get_option( 'patchstack_clientid' ); |
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$tmp_key = get_option( 'patchstack_secretkey' ); |
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update_option( 'patchstack_clientid', $id ); |
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update_option( 'patchstack_secretkey', $secret ); |
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|
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// Activate the license. |
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if ( $action == 'activate' ) { |
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$api_result = $this->plugin->api->get_access_token( $id, $secret, true ); |
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|
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// Valid result? |
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if ( ! $api_result ) { |
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update_option( 'patchstack_clientid', $tmp_id ); |
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update_option( 'patchstack_secretkey', $tmp_key ); |
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return array( |
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'result' => 'error', |
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'message' => 'Cannot activate license!', |
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); |
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} |
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|
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// If we have an access token, tell our API that the firewall is activated |
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// and the current URL of the site. |
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update_option( 'patchstack_license_activated', '1' ); |
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$this->plugin->api->update_license_status(); |
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$token = $this->plugin->api->get_access_token(); |
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if ( ! empty( $token ) ) { |
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do_action( 'patchstack_send_software_data' ); |
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if ( get_option( 'patchstack_license_free', 0 ) != 1 ) { |
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do_action( 'patchstack_post_firewall_rules' ); |
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do_action( 'patchstack_post_dynamic_firewall_rules' ); |
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} |
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|
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$this->plugin->api->update_firewall_status( array( 'status' => $this->get_option( 'patchstack_basic_firewall' ) == 1 ) ); |
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$this->plugin->api->update_url( array( 'plugin_url' => get_option( 'siteurl' ) ) ); |
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} |
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return array( |
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'result' => 'success', |
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'message' => 'License activated!', |
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); |
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} |
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|
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// Deactivate the license. |
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if ( $action == 'deactivate' ) { |
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update_option( 'patchstack_api_token', '' ); |
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update_option( 'patchstack_license_activated', '0' ); |
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return array( |
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'result' => 'success', |
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'message' => 'License deactivated!', |
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); |
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} |
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} |
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} |
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|
