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<?php
/*
Plugin Name: Gravity Forms
Plugin URI: https://www.gravityforms.com
Description: Easily create web forms and manage form entries within the WordPress admin.
Version: 2.4.12
Author: rocketgenius
Author URI: https://www.rocketgenius.com
License: GPL-2.0+
Text Domain: gravityforms
Domain Path: /languages
------------------------------------------------------------------------
Copyright 2009-2019 Rocketgenius, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see http://www.gnu.org/licenses.
*/
//------------------------------------------------------------------------------------------------------------------
//---------- Gravity Forms License Key -----------------------------------------------------------------------------
//------------------------------------------------------------------------------------------------------------------
// If you hardcode a Gravity Forms License Key here, it will automatically populate on activation.
$gf_license_key = '';
//-- OR ---//
// You can also add the Gravity Forms license key to your wp-config.php file to automatically populate on activation
// Add the code in the comment below to your wp-config.php to do so:
// define('GF_LICENSE_KEY','YOUR_KEY_GOES_HERE');
//------------------------------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------------------------------
//---------- reCAPTCHA Keys -----------------------------------------------------------------------------
//------------------------------------------------------------------------------------------------------------------
// If you hardcode your reCAPTCHA Keys here, it will automatically populate on activation.
$gf_recaptcha_private_key = '';
$gf_recaptcha_public_key = '';
//-- OR ---//
// You can also add the reCAPTCHA keys to your wp-config.php file to automatically populate on activation
// Add the two lines of code in the comment below to your wp-config.php to do so:
// define('GF_RECAPTCHA_SITE_KEY','YOUR_SITE_KEY_GOES_HERE');
// define('GF_RECAPTCHA_SECRET_KEY','YOUR_SECRET_KEY_GOES_HERE');
//------------------------------------------------------------------------------------------------------------------
if ( ! defined( 'ABSPATH' ) ) {
die();
}
if ( ! defined( 'RG_CURRENT_PAGE' ) ) {
/**
* Defines the current page.
*
* @since Unknown
*
* @used-by GFForms::init()
* @used-by GFCommon::ensure_wp_version()
*
* @var string RG_CURRENT_PAGE The current page.
*/
define( 'RG_CURRENT_PAGE', basename( $_SERVER['PHP_SELF'] ) );
}
if ( ! defined( 'IS_ADMIN' ) ) {
/**
* Checks if an admin page is being viewed.
*
* @since Unknown
*
* @used-by GFForms::init()
* @used-by GFFormsModel::get_default_value()
* @used-by GFFormsModel::get_label()
*
* @var boolean IS_ADMIN True if admin page. False otherwise.
*/
define( 'IS_ADMIN', is_admin() );
}
/**
* Defines the current view within Gravity Forms.
*
* Defined from URL parameters.
*
* @since Unknown
* @deprecated 2.1.3.6
*
* @uses GFForms::get()
*
* @var string|boolean RG_CURRENT_VIEW The view if available. False otherwise.
*/
define( 'RG_CURRENT_VIEW', GFForms::get( 'view' ) );
/**
* Defines the minimum version of WordPress required for Gravity Forms.
*
* @since Unknown
*
* @used-by GFCommon::ensure_wp_version()
* @used-by GF_SUPPORTED_WP_VERSION
* @used-by GFSettings::gravityforms_settings_page()
*
* @var string GF_MIN_WP_VERSION Minimum version number.
*/
define( 'GF_MIN_WP_VERSION', '3.7' );
/**
* Checks if the current WordPress version is supported.
*
* @since Unknown
*
* @used-by GFForms::init()
* @used-by GFCommon::ensure_wp_version()
* @uses GF_MIN_WP_VERSION
*
* @var boolean GF_SUPPORTED_VERSION True if supported. False otherwise.
*/
define( 'GF_SUPPORTED_WP_VERSION', version_compare( get_bloginfo( 'version' ), GF_MIN_WP_VERSION, '>=' ) );
/**
* Defines the minimum version of WordPress that will be officially supported.
*
* @var string GF_MIN_WP_VERSION_SUPPORT_TERMS The version number
*/
define( 'GF_MIN_WP_VERSION_SUPPORT_TERMS', '5.1' );
if ( ! defined( 'GRAVITY_MANAGER_URL' ) ) {
/**
* Defines the Gravity Manager URL.
*
* @var string GRAVITY_MANAGER_URL The full URL to the Gravity Manager.
*/
define( 'GRAVITY_MANAGER_URL', 'https://www.gravityhelp.com/wp-content/plugins/gravitymanager' );
}
if ( ! defined( 'GRAVITY_MANAGER_PROXY_URL' ) ) {
/**
* Defines the Gravity Manager proxy URL.
*
* @var string GRAVITY_MANAGER_PROXY_URL The full URL to the Gravity Manager proxy.
*/
define( 'GRAVITY_MANAGER_PROXY_URL', 'http://proxy.gravityplugins.com' );
}
require_once( plugin_dir_path( __FILE__ ) . 'currency.php' );
require_once( plugin_dir_path( __FILE__ ) . 'common.php' );
require_once( plugin_dir_path( __FILE__ ) . 'forms_model.php' );
require_once( plugin_dir_path( __FILE__ ) . 'widget.php' );
require_once( plugin_dir_path( __FILE__ ) . 'includes/api.php' );
require_once( plugin_dir_path( __FILE__ ) . 'includes/webapi/webapi.php' );
require_once( plugin_dir_path( __FILE__ ) . 'includes/fields/class-gf-fields.php' );
require_once( plugin_dir_path( __FILE__ ) . 'includes/class-gf-download.php' );
require_once( plugin_dir_path( __FILE__ ) . 'includes/query/class-gf-query.php' );
// Load Logging if Logging Add-On is not active.
if ( ! GFCommon::is_logging_plugin_active() ) {
require_once( plugin_dir_path( __FILE__ ) . 'includes/logging/logging.php' );
}
// GFCommon::$version is deprecated, set it to current version for backwards compatibility
GFCommon::$version = GFForms::$version;
add_action( 'init', array( 'GFForms', 'init' ) );
add_action( 'wp', array( 'GFForms', 'maybe_process_form' ), 9 );
add_action( 'admin_init', array( 'GFForms', 'maybe_process_form' ), 9 );
add_action( 'wp', array( 'GFForms', 'process_exterior_pages' ) );
add_filter( 'upgrader_pre_install', array( 'GFForms', 'validate_upgrade' ), 10, 2 );
add_filter( 'tiny_mce_before_init', array( 'GFForms', 'modify_tiny_mce_4' ), 20 );
add_filter( 'user_has_cap', array( 'RGForms', 'user_has_cap' ), 10, 3 );
add_filter( 'query', array( 'GFForms', 'filter_query' ) );
//Hooks for no-conflict functionality
if ( is_admin() && ( GFForms::is_gravity_page() || GFForms::is_gravity_ajax_action() ) ) {
add_action( 'wp_print_scripts', array( 'GFForms', 'no_conflict_mode_script' ), 1000 );
add_action( 'admin_print_footer_scripts', array( 'GFForms', 'no_conflict_mode_script' ), 9 );
add_action( 'wp_print_styles', array( 'GFForms', 'no_conflict_mode_style' ), 1000 );
add_action( 'admin_print_styles', array( 'GFForms', 'no_conflict_mode_style' ), 1 );
add_action( 'admin_print_footer_scripts', array( 'GFForms', 'no_conflict_mode_style' ), 1 );
add_action( 'admin_footer', array( 'GFForms', 'no_conflict_mode_style' ), 1 );
}
add_action( 'plugins_loaded', array( 'GFForms', 'loaded' ) );
register_activation_hook( __FILE__, array( 'GFForms', 'activation_hook' ) );
register_deactivation_hook( __FILE__, array( 'GFForms', 'deactivation_hook' ) );
gf_upgrade();
/**
* Class GFForms
*
* Handles the loading of Gravity Forms and other core functionality
*/
class GFForms {
/**
* Defines this version of Gravity Forms.
*
* @since Unknown
* @access public
*
* @var string $version The version number.
*/
public static $version = '2.4.12';
/**
* Handles background upgrade tasks.
*
* @var GF_Background_Upgrader
*/
public static $background_upgrader = null;
/**
* Runs after Gravity Forms is loaded.
*
* Initializes add-ons.
*
* @since Unknown
* @access public
*
* @uses GFAddOn::init_addons()
*
* @return void
*/
public static function loaded() {
/**
* Fires when Gravity Forms has loaded.
*
* When developing Add-Ons, use this hook to initialize any functionality that depends on Gravity Forms functionality.
*/
do_action( 'gform_loaded' );
//initializing Add-Ons if necessary
if ( class_exists( 'GFAddOn' ) ) {
GFAddOn::init_addons();
}
}
/**
* Determines if the 3rd party Members plugin is active.
*
* @since Unknown
*
* @param string $version Minimum version number of Members plugin to check for.
*
* @return boolean True if the Members plugin is active. False otherwise.
*/
public static function has_members_plugin( $min_version = '1.0' ) {
if ( version_compare( $min_version, '2.0', '>=' ) ) {
return function_exists( 'members_register_cap_group' );
} else if ( version_compare( $min_version, '1.0', '>=' ) ) {
return ! function_exists( 'members_register_cap_group' ) && function_exists( 'members_get_capabilities' );
}
return false;
}
/**
* Initializes Gravity Forms.
*
* @since Unknown
* @access public
*
* @return void
*/
public static function init() {
if ( ! wp_next_scheduled( 'gravityforms_cron' ) ) {
wp_schedule_event( time(), 'daily', 'gravityforms_cron' );
}
add_action( 'gravityforms_cron', array( 'GFForms', 'cron' ) );
GF_Download::maybe_process();
//load text domains
GFCommon::load_gf_text_domain( 'gravityforms' );
add_filter( 'gform_logging_supported', array( 'GFForms', 'set_logging_supported' ) );
add_action( 'admin_head', array( 'GFCommon', 'maybe_output_gf_vars' ) );
add_action( 'admin_head', array( 'GFForms', 'load_admin_bar_styles' ) );
add_action( 'wp_head', array( 'GFForms', 'load_admin_bar_styles' ) );
self::register_scripts();
self::init_background_upgrader();
// Run background feed processing.
require_once( plugin_dir_path( __FILE__ ) . 'includes/addon/class-gf-feed-processor.php' );
gf_feed_processor();
// Maybe set up Gravity Forms
if ( ( false === ( defined( 'DOING_AJAX' ) && true === DOING_AJAX ) ) ) {
gf_upgrade()->maybe_upgrade();
}
// Load Editor Blocks if WordPress is 5.0+.
if ( function_exists( 'register_block_type' ) ) {
// Load block framework.
if ( ! class_exists( 'GF_Blocks' ) ) {
require_once plugin_dir_path( __FILE__ ) . 'includes/blocks/class-gf-blocks.php';
}
// Load included Blocks.
foreach ( glob( plugin_dir_path( __FILE__ ) . 'includes/blocks/class-gf-block-*.php' ) as $filename ) {
require_once $filename;
}
}
// Plugin update actions
add_filter( 'transient_update_plugins', array( 'GFForms', 'check_update' ) );
add_filter( 'site_transient_update_plugins', array( 'GFForms', 'check_update' ) );
add_filter( 'auto_update_plugin', array( 'GFForms', 'maybe_auto_update' ), 10, 2 );
if ( IS_ADMIN ) {
global $current_user;
//Members plugin integration. Adding Gravity Forms roles to the checkbox list
if ( self::has_members_plugin( '2.0' ) ) {
add_action( 'members_register_cap_groups', array( 'GFForms', 'members_register_cap_group' ) );
add_action( 'members_register_caps', array( 'GFForms', 'members_register_caps' ) );
} else if ( self::has_members_plugin( '1.0' ) ) {
add_filter( 'members_get_capabilities', array( 'GFForms', 'members_get_capabilities' ) );
}
// User Role Editor integration.
add_filter( 'ure_capabilities_groups_tree', array( 'GFForms', 'filter_ure_capabilities_groups_tree' ) );
add_filter( 'ure_custom_capability_groups', array( 'GFForms', 'filter_ure_custom_capability_groups' ), 10, 2 );
if ( is_multisite() ) {
add_filter( 'wpmu_drop_tables', array( 'GFFormsModel', 'mu_drop_tables' ) );
}
add_action( 'admin_enqueue_scripts', array( 'GFForms', 'enqueue_admin_scripts' ) );
add_action( 'print_media_templates', array( 'GFForms', 'action_print_media_templates' ) );
if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
add_action( 'admin_footer', array( 'GFForms', 'deprecate_add_on_methods' ) );
}
//Loading Gravity Forms if user has access to any functionality
if ( GFCommon::current_user_can_any( GFCommon::all_caps() ) ) {
require_once( GFCommon::get_base_path() . '/export.php' );
GFExport::maybe_export();
//Imports theme forms if configured to be automatic imported
gf_upgrade()->maybe_import_theme_forms();
//creates the "Forms" left menu
add_action( 'admin_menu', array( 'GFForms', 'create_menu' ) );
// Add site-wide admin notices
add_action( 'admin_notices', array( 'GFForms', 'action_admin_notices' ) );
if ( GF_SUPPORTED_WP_VERSION ) {
add_action( 'admin_footer', array( 'GFForms', 'check_upload_folder' ) );
add_action( 'wp_dashboard_setup', array( 'GFForms', 'dashboard_setup' ) );
// Support modifying the admin page title for settings
add_filter( 'admin_title', array( __class__, 'modify_admin_title' ), 10, 2 );
// Display admin notice if logging is enabled.
add_action( 'admin_notices', array( 'GFForms', 'maybe_display_logging_notice' ) );
require_once( GFCommon::get_base_path() . '/includes/locking/locking.php' );
if ( self::is_gravity_page() ) {
require_once( GFCommon::get_base_path() . '/tooltips.php' );
} elseif ( RG_CURRENT_PAGE == 'media-upload.php' ) {
require_once( GFCommon::get_base_path() . '/entry_list.php' );
} elseif ( in_array( RG_CURRENT_PAGE, array( 'admin.php', 'admin-ajax.php' ) ) ) {
add_action( 'wp_ajax_rg_save_form', array( 'GFForms', 'save_form' ) );
add_action( 'wp_ajax_rg_change_input_type', array( 'GFForms', 'change_input_type' ) );
add_action( 'wp_ajax_rg_refresh_field_preview', array( 'GFForms', 'refresh_field_preview' ) );
add_action( 'wp_ajax_rg_add_field', array( 'GFForms', 'add_field' ) );
add_action( 'wp_ajax_rg_duplicate_field', array( 'GFForms', 'duplicate_field' ) );
add_action( 'wp_ajax_rg_delete_field', array( 'GFForms', 'delete_field' ) );
add_action( 'wp_ajax_rg_delete_file', array( 'GFForms', 'delete_file' ) );
add_action( 'wp_ajax_rg_select_export_form', array( 'GFForms', 'select_export_form' ) );
add_action( 'wp_ajax_rg_start_export', array( 'GFForms', 'start_export' ) );
add_action( 'wp_ajax_gf_upgrade_license', array( 'GFForms', 'upgrade_license' ) );
add_action( 'wp_ajax_gf_delete_custom_choice', array( 'GFForms', 'delete_custom_choice' ) );
add_action( 'wp_ajax_gf_save_custom_choice', array( 'GFForms', 'save_custom_choice' ) );
add_action( 'wp_ajax_gf_get_post_categories', array( 'GFForms', 'get_post_category_values' ) );
add_action( 'wp_ajax_gf_get_address_rule_values_select', array(
'GFForms',
'get_address_rule_values_select'
) );
add_action( 'wp_ajax_gf_get_notification_post_categories', array(
'GFForms',
'get_notification_post_category_values'
) );
//add_action( 'wp_ajax_gf_save_confirmation', array( 'GFForms', 'save_confirmation' ) );
add_action( 'wp_ajax_gf_delete_confirmation', array( 'GFForms', 'delete_confirmation' ) );
add_action( 'wp_ajax_gf_save_new_form', array( 'GFForms', 'save_new_form' ) );
add_action( 'wp_ajax_gf_save_title', array( 'GFForms', 'save_form_title' ) );
//entry list ajax operations
add_action( 'wp_ajax_rg_update_lead_property', array( 'GFForms', 'update_lead_property' ) );
add_action( 'wp_ajax_delete-gf_entry', array( 'GFForms', 'update_lead_status' ) );
//form list ajax operations
add_action( 'wp_ajax_rg_update_form_active', array( 'GFForms', 'update_form_active' ) );
//notification list ajax operations
add_action( 'wp_ajax_rg_update_notification_active', array(
'GFForms',
'update_notification_active'
) );
//confirmation list ajax operations
add_action( 'wp_ajax_rg_update_confirmation_active', array(
'GFForms',
'update_confirmation_active'
) );
//dynamic captcha image
add_action( 'wp_ajax_rg_captcha_image', array( 'GFForms', 'captcha_image' ) );
//dashboard message "dismiss upgrade" link
add_action( 'wp_ajax_rg_dismiss_upgrade', array( 'GFForms', 'dashboard_dismiss_upgrade' ) );
// entry detail: resend notifications
add_action( 'wp_ajax_gf_resend_notifications', array( 'GFForms', 'resend_notifications' ) );
// Shortcode UI
add_action( 'wp_ajax_gf_do_shortcode', array( 'GFForms', 'handle_ajax_do_shortcode' ) );
// Export
add_filter( 'wp_ajax_gf_process_export', array( 'GFForms', 'ajax_process_export' ) );
add_filter( 'wp_ajax_gf_download_export', array( 'GFForms', 'ajax_download_export' ) );
// Dismiss message
add_action( 'wp_ajax_gf_dismiss_message', array( 'GFForms', 'ajax_dismiss_message' ) );
// Check background tasks for the system report
add_action( 'wp_ajax_gf_check_background_tasks', array( 'GFForms', 'check_background_tasks' ) );
// Check status of upgrade
add_action( 'wp_ajax_gf_force_upgrade', array( 'GFForms', 'ajax_force_upgrade' ) );
// Disable logging.
add_action( 'wp_ajax_gf_disable_logging', array( 'GFForms', 'ajax_disable_logging' ) );
}
add_filter( 'plugins_api', array( 'GFForms', 'get_addon_info' ), 100, 3 );
add_action( 'after_plugin_row', array( 'GFForms', 'plugin_row' ) );
add_action( 'in_plugin_update_message-gravityforms/gravityforms.php', array( 'GFForms', 'in_plugin_update_message' ), 10, 2 );
add_action( 'install_plugins_pre_plugin-information', array( 'GFForms', 'display_changelog' ), 9 );
add_filter( 'plugin_action_links', array( 'GFForms', 'plugin_settings_link' ), 10, 2 );
}
}
add_action( 'admin_init', array( 'GFForms', 'ajax_parse_request' ), 10 );
$gf_page = self::get_page();
if ( $gf_page == 'entry_list' && ! isset( $_GET['filter'] ) ) {
require_once( GFCommon::get_base_path() . '/entry_list.php' );
$default_filter = GFEntryList::get_default_filter();
if ( $default_filter !== 'all' ) {
$url = add_query_arg( array( 'filter' => $default_filter ) );
$url = esc_url_raw( $url );
wp_safe_redirect( $url );
}
}
if ( $gf_page == 'entry_list' ) {
add_filter( 'set-screen-option', array( 'GFForms', 'set_screen_options' ), 10, 3 );
add_filter( 'screen_settings', array( 'GFForms', 'show_screen_options' ), 10, 2 );
}
if ( $gf_page == 'form_list' ) {
add_filter( 'set-screen-option', array( 'GFForms', 'set_screen_options' ), 10, 3 );
}
add_filter( 'wp_privacy_personal_data_exporters', array( 'GFForms', 'register_data_exporter' ), 10 );
add_filter( 'wp_privacy_personal_data_erasers', array( 'GFForms', 'register_data_eraser' ), 10 );
} else {
add_action( 'wp_enqueue_scripts', array( 'GFForms', 'enqueue_scripts' ), 11 );
add_action( 'wp', array( 'GFForms', 'ajax_parse_request' ), 10 );
}
// Add admin bar items
add_action( 'wp_before_admin_bar_render', array( 'GFForms', 'admin_bar' ) );
add_shortcode( 'gravityform', array( 'GFForms', 'parse_shortcode' ) );
add_shortcode( 'gravityforms', array( 'GFForms', 'parse_shortcode' ) );
// ManageWP premium update filters
add_filter( 'mwp_premium_update_notification', array( 'GFForms', 'premium_update_push' ) );
add_filter( 'mwp_premium_perform_update', array( 'GFForms', 'premium_update' ) );
// Push Gravity Forms to the top of the list of plugins to make sure it's loaded before any add-ons
add_action( 'activated_plugin', array( 'GFForms', 'load_first' ) );
// Add the "Add Form" button to the editor. The customizer doesn't run in the admin context.
if ( GFForms::page_supports_add_form_button() ) {
require_once( GFCommon::get_base_path() . '/tooltips.php' );
// Adding "embed form" button to the editor
add_action( 'media_buttons', array( 'GFForms', 'add_form_button' ), 20 );
// Adding the modal
add_action( 'admin_print_footer_scripts', array( 'GFForms', 'add_mce_popup' ) );
}
}
/**
* Ensures that Gravity Forms is loaded first.
*
* @since Unknown
* @access public
*
* @return void
*/
public static function load_first() {
$plugin_path = basename( dirname( __FILE__ ) ) . '/gravityforms.php';
$active_plugins = array_values( maybe_unserialize( self::get_wp_option( 'active_plugins' ) ) );
$key = array_search( $plugin_path, $active_plugins );
if ( $key > 0 ) {
array_splice( $active_plugins, $key, 1 );
array_unshift( $active_plugins, $plugin_path );
update_option( 'active_plugins', $active_plugins );
}
}
/**
* Performs Gravity Forms deactivation tasks.
*
* @since Unknown
* @access public
*
* @uses GFCache::flush()
*
* @return void
*/
public static function deactivation_hook() {
GFCache::flush( true );
flush_rewrite_rules();
}
/**
* Performs Gravity Forms activation tasks.
*
* @since 2.3
* @access public
*/
public static function activation_hook() {
self::init_background_upgrader();
gf_upgrade()->maybe_upgrade();
}
/**
* Add Gravity Forms to the plugins that support logging.
*
* @since Unknown
* @access public
*
* @param array $plugins Existing plugins that support logging.
*
* @return array $plugins Supported plugins.
*/
public static function set_logging_supported( $plugins ) {
$plugins['gravityformsapi'] = 'Gravity Forms API';
$plugins['gravityforms'] = 'Gravity Forms Core';
return $plugins;
}
/**
* Gets the value of an option from the wp_options table.
*
* @since Unknown
* @access public
* @global $wpdb
*
* @param string $option_name The option to find.
*
* @return string The option value, if found.
*/
public static function get_wp_option( $option_name ) {
global $wpdb;
return $wpdb->get_var( $wpdb->prepare( "SELECT option_value FROM {$wpdb->prefix}options WHERE option_name=%s", $option_name ) );
}
/**
* Determines if a form should be processed, and passes it off to processing.
*
* @since Unknown
* @access public
*
* @uses GFFormsModel::get_form()
* @uses GFCommon::get_base_path()
* @uses GFFormDisplay::process_form()
* @uses GFFormDisplay::process_send_resume_link()
*
* @return void
*/
public static function maybe_process_form() {
$form_id = isset( $_POST['gform_submit'] ) ? absint( $_POST['gform_submit'] ) : 0;
if ( $form_id ) {
$form_info = RGFormsModel::get_form( $form_id );
$is_valid_form = $form_info && $form_info->is_active;
if ( $is_valid_form ) {
require_once( GFCommon::get_base_path() . '/form_display.php' );
GFFormDisplay::process_form( $form_id );
}
} elseif ( isset( $_POST['gform_send_resume_link'] ) ) {
require_once( GFCommon::get_base_path() . '/form_display.php' );
GFFormDisplay::process_send_resume_link();
}
}
/**
* Processes pages that are not loaded directly within WordPress
*
* @since Unknown
* @access public
*
* @uses GFCommon::get_upload_page_slug()
* @uses GFCommon::get_base_path()
*
* @return void
*/
public static function process_exterior_pages() {
if ( rgempty( 'gf_page', $_GET ) ) {
return;
}
$page = rgget( 'gf_page' );
$is_legacy_upload_page = $_SERVER['REQUEST_METHOD'] == 'POST' && $page == 'upload';
if ( $is_legacy_upload_page && ( ! defined( 'DOING_AJAX' ) || ! DOING_AJAX ) ) {
_doing_it_wrong( 'gf_page=upload', 'gf_page=upload is now deprecated. Use GFCommon::get_upload_page_slug() instead', '1.9.6.13' );
}
$is_upload_page = $_SERVER['REQUEST_METHOD'] == 'POST' && $page == GFCommon::get_upload_page_slug();
if ( $is_upload_page || $is_legacy_upload_page ) {
require_once( GFCommon::get_base_path() . '/includes/upload.php' );
exit();
}
// Ensure users are logged in
if ( ! is_user_logged_in() ) {
auth_redirect();
}
switch ( $page ) {
case 'preview':
require_once( GFCommon::get_base_path() . '/preview.php' );
break;
case 'print-entry' :
require_once( GFCommon::get_base_path() . '/print-entry.php' );
break;
case 'select_columns' :
require_once( GFCommon::get_base_path() . '/select_columns.php' );
break;
}
exit();
}
/**
* Checks for Gravity Forms updates.
*
* @since Unknown
* @access public
*
* @uses GFCommon::check_update()
*
* @param GFAutoUpgrade $update_plugins_option The GFAutoUpgrade object.
*
* @return GFAutoUpgrade The GFAutoUpgrade object.
*/
public static function check_update( $update_plugins_option ) {
if ( ! class_exists( 'GFCommon' ) ) {
require_once( 'common.php' );
}
return GFCommon::check_update( $update_plugins_option, true );
}
/**
* Adds index and htaccess files to the upload root for security.
*
* @since Unknown
* @access public
*
* @return void
*/
public static function add_security_files() {
GFCommon::log_debug( __METHOD__ . '(): Start adding security files' );
$upload_root = GFFormsModel::get_upload_root();
if ( ! is_dir( $upload_root ) ) {
return;
}
GFCommon::recursive_add_index_file( $upload_root );
GFCommon::add_htaccess_file();
}
/**
* Self-heals suspicious files.
*
* @since Unknown
*/
private static function do_self_healing() {
GFCommon::log_debug( __METHOD__ . '(): Start self healing' );
$gf_upload_root = GFFormsModel::get_upload_root();
if ( ! is_dir( $gf_upload_root ) || is_link( $gf_upload_root ) ) {
return;
}
self::rename_suspicious_files_recursive( $gf_upload_root );
}
/**
* Renames files with a .bak extension if they have a file extension that is not allowed in the Gravity Forms uploads folder.
*
* @since Unknown
* @access private
*
* @used-by GFForms::do_self_healing()
*
* @param string $dir The path to process.
*/
private static function rename_suspicious_files_recursive( $dir ) {
if ( ! is_dir( $dir ) || is_link( $dir ) ) {
return;
}
if ( ! ( $dir_handle = opendir( $dir ) ) ) {
return;
}
// Ignores all errors
set_error_handler( '__return_false', E_ALL );
while ( false !== ( $file = readdir( $dir_handle ) ) ) {
if ( is_dir( $dir . DIRECTORY_SEPARATOR . $file ) && $file != '.' && $file != '..' ) {
self::rename_suspicious_files_recursive( $dir . DIRECTORY_SEPARATOR . $file );
} elseif ( GFCommon::file_name_has_disallowed_extension( $file )
&& ! GFCommon::match_file_extension( $file, array( 'htaccess', 'bak', 'html' ) )
) {
$mini_hash = substr( wp_hash( $file ), 0, 6 );
$newName = sprintf( '%s/%s.%s.bak', $dir, $file, $mini_hash );
rename( $dir . '/' . $file, $newName );
}
}
// Restores error handler
restore_error_handler();
closedir( $dir_handle );
return;
}
/**
* Renames suspicious content within the wp_upload directory.
*
* @deprecated 2.4.11
*
* @since Unknown
*/
private static function heal_wp_upload_dir() {
_deprecated_function( 'heal_wp_upload_dir', '2.4.11' );
$wp_upload_dir = wp_upload_dir();
$wp_upload_path = $wp_upload_dir['basedir'];
if ( ! is_dir( $wp_upload_path ) || is_link( $wp_upload_path ) ) {
return;
}
// ignores all errors
set_error_handler( '__return_false', E_ALL );
foreach ( glob( $wp_upload_path . DIRECTORY_SEPARATOR . '*_input_*.php' ) as $filename ) {
$mini_hash = substr( wp_hash( $filename ), 0, 6 );
$newName = sprintf( '%s.%s.bak', $filename, $mini_hash );
rename( $filename, $newName );
}
// restores error handler
restore_error_handler();
return;
}
/**
* Defines styles needed for "no conflict mode"
*
* @since Unknown
* @access public
* @global $wp_styles
*
* @uses GFForms::no_conflict_mode()
*/
public static function no_conflict_mode_style() {
if ( ! get_option( 'gform_enable_noconflict' ) ) {
return;
}
global $wp_styles;
$wp_required_styles = array( 'admin-bar', 'colors', 'ie', 'wp-admin', 'editor-style' );
$gf_required_styles = array(
'common' => array( 'gform_tooltip', 'gform_font_awesome', 'gform_admin' ),
'gf_edit_forms' => array(
'thickbox',
'editor-buttons',
'wp-jquery-ui-dialog',
'media-views',
'buttons',
'wp-pointer',
'gform_chosen',
),
'gf_edit_forms_settings' => array(
'thickbox',
'editor-buttons',
'wp-jquery-ui-dialog',
'media-views',
'buttons',
),
'gf_new_form' => array( 'thickbox' ),
'gf_entries' => array( 'thickbox', 'gform_chosen' ),
'gf_settings' => array(),
'gf_export' => array(),
'gf_help' => array(),
'gf_system_status' => array( 'thickbox' ),
);
self::no_conflict_mode( $wp_styles, $wp_required_styles, $gf_required_styles, 'styles' );
}
/**
* Defines scripts needed for "no conflict mode".
*
* @since Unknown
* @access public
* @global $wp_scripts
*
* @uses GFForms::no_conflict_mode()
*/
public static function no_conflict_mode_script() {
if ( ! get_option( 'gform_enable_noconflict' ) ) {
return;
}
global $wp_scripts;
$wp_required_scripts = array( 'admin-bar', 'common', 'jquery-color', 'utils', 'svg-painter' );
$gf_required_scripts = array(
'common' => array( 'gform_tooltip_init', 'sack' ),
'gf_edit_forms' => array(
'backbone',
'editor',
'gform_floatmenu',
'gform_forms',
'gform_form_admin',
'gform_form_editor',
'gform_gravityforms',
'gform_json',
'gform_menu',
'gform_placeholder',
'jquery-ui-autocomplete',
'jquery-ui-core',
'jquery-ui-datepicker',
'jquery-ui-sortable',
'jquery-ui-draggable',
'jquery-ui-droppable',
'jquery-ui-tabs',
'json2',
'media-editor',
'media-models',
'media-upload',
'media-views',
'plupload',
'plupload-flash',
'plupload-html4',
'plupload-html5',
'quicktags',
'rg_currency',
'thickbox',
'word-count',
'wp-plupload',
'wpdialogs-popup',
'wplink',
'wp-pointer',
'gform_chosen',
),
'gf_edit_forms_settings' => array(
'editor',
'word-count',
'quicktags',
'wpdialogs-popup',
'media-upload',
'wplink',
'backbone',
'jquery-ui-sortable',
'json2',
'media-editor',
'media-models',
'media-views',
'plupload',
'plupload-flash',
'plupload-html4',
'plupload-html5',
'plupload-silverlight',
'wp-plupload',
'gform_placeholder',
'gform_json',
'gform_gravityforms',
'gform_forms',
'gform_form_admin',
'jquery-ui-datepicker',
'gform_masked_input',
'sack',
'jquery-ui-autocomplete',
'wp-tinymce',
'wp-tinymce-root',
'wp-tinymce-lists',
),
'gf_new_form' => array(
'thickbox',
'jquery-ui-core',
'jquery-ui-sortable',
'jquery-ui-tabs',
'rg_currency',
'gform_gravityforms',
'gform_json',
'gform_form_admin',
),
'gf_entries' => array(
'thickbox',
'gform_gravityforms',
'wp-lists',
'gform_json',
'gform_field_filter',
'plupload-all',
'postbox',
'gform_chosen',
),
'gf_settings' => array(),
'gf_export' => array( 'gform_form_admin', 'jquery-ui-datepicker', 'gform_field_filter' ),
'gf_help' => array(),
'gf_system_status' => array(
'gform_system_report_clipboard',
'thickbox',
'gform_placeholder'),
);
self::no_conflict_mode( $wp_scripts, $wp_required_scripts, $gf_required_scripts, 'scripts' );
}
/**
* Runs "no conflict mode".
*
* @since Unknown
* @access private
*