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gravityforms.php
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<?php
/*
Plugin Name: Gravity Forms
Plugin URI: http://www.gravityforms.com
Description: Easily create web forms and manage form entries within the WordPress admin.
Version: 1.9.16
Author: rocketgenius
Author URI: http://www.rocketgenius.com
Text Domain: gravityforms
Domain Path: /languages
------------------------------------------------------------------------
Copyright 2009-2016 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_PRIVATE_KEY','YOUR_PRIVATE_KEY_GOES_HERE');
//define('GF_RECAPTCHA_PUBLIC_KEY','YOUR_PUBLIC_KEY_GOES_HERE');
//------------------------------------------------------------------------------------------------------------------
if ( ! defined( 'ABSPATH' ) ) {
die();
}
if ( ! defined( 'RG_CURRENT_PAGE' ) ) {
define( 'RG_CURRENT_PAGE', basename( $_SERVER['PHP_SELF'] ) );
}
if ( ! defined( 'IS_ADMIN' ) ) {
define( 'IS_ADMIN', is_admin() );
}
define( 'RG_CURRENT_VIEW', RGForms::get( 'view' ) );
define( 'GF_MIN_WP_VERSION', '3.7' );
define( 'GF_SUPPORTED_WP_VERSION', version_compare( get_bloginfo( 'version' ), GF_MIN_WP_VERSION, '>=' ) );
if ( ! defined( 'GRAVITY_MANAGER_URL' ) ) {
define( 'GRAVITY_MANAGER_URL', 'https://www.gravityhelp.com/wp-content/plugins/gravitymanager' );
}
if ( ! defined( 'GRAVITY_MANAGER_PROXY_URL' ) ) {
define( 'GRAVITY_MANAGER_PROXY_URL', 'http://proxy.gravityplugins.com' );
}
require_once( plugin_dir_path( __FILE__ ) . 'common.php' );
require_once( plugin_dir_path( __FILE__ ) . 'forms_model.php' );
require_once( plugin_dir_path( __FILE__ ) . 'widget.php' );
require_once( plugin_dir_path( __FILE__ ) . 'includes/api.php' );
require_once( plugin_dir_path( __FILE__ ) . 'includes/webapi/webapi.php' );
require_once( plugin_dir_path( __FILE__ ) . 'includes/fields/class-gf-fields.php' );
// GFCommon::$version is deprecated, set it to current version for backwards compatibility
GFCommon::$version = GFForms::$version;
add_action( 'init', array( 'RGForms', 'init' ) );
add_action( 'wp', array( 'RGForms', 'maybe_process_form' ), 9 );
add_action( 'admin_init', array( 'RGForms', 'maybe_process_form' ), 9 );
add_action( 'wp', array( 'RGForms', '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 );
//Hooks for no-conflict functionality
if ( is_admin() && ( RGForms::is_gravity_page() || RGForms::is_gravity_ajax_action() ) ) {
add_action( 'wp_print_scripts', array( 'RGForms', 'no_conflict_mode_script' ), 1000 );
add_action( 'admin_print_footer_scripts', array( 'RGForms', 'no_conflict_mode_script' ), 9 );
add_action( 'wp_print_styles', array( 'RGForms', 'no_conflict_mode_style' ), 1000 );
add_action( 'admin_print_styles', array( 'RGForms', 'no_conflict_mode_style' ), 1 );
add_action( 'admin_print_footer_scripts', array( 'RGForms', 'no_conflict_mode_style' ), 1 );
add_action( 'admin_footer', array( 'RGForms', 'no_conflict_mode_style' ), 1 );
}
add_action( 'plugins_loaded', array( 'GFForms', 'loaded' ) );
register_deactivation_hook( __FILE__, array( 'GFForms', 'deactivation_hook' ) );
class GFForms {
public static $version = '1.9.16';
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();
}
}
public static function has_members_plugin() {
return function_exists( 'members_get_capabilities' );
}
//Plugin starting point. Will load appropriate files
public static function init() {
//load text domains
GFCommon::load_gf_text_domain( 'gravityforms' );
add_filter( 'gform_logging_supported', array( 'RGForms', 'set_logging_supported' ) );
add_action( 'admin_head', array( 'GFCommon', 'maybe_output_gf_vars' ) );
self::register_scripts();
//Maybe set up Gravity Forms: only on admin requests for single site installation and always for multisite
if ( ( IS_ADMIN && false === ( defined( 'DOING_AJAX' ) && true === DOING_AJAX ) ) || is_multisite() ) {
self::setup();
}
//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;
add_filter( 'pre_update_option_rg_gforms_key', array( 'GFSettings', 'filter_pre_update_option_rg_gforms_key' ), 10, 2 );
add_action( 'delete_option_rg_gforms_key', array( 'GFSettings', 'action_delete_option_rg_gforms_key' ), 10, 2 );
//Members plugin integration. Adding Gravity Forms roles to the checkbox list
if ( self::has_members_plugin() ) {
add_filter( 'members_get_capabilities', array( 'RGForms', 'members_get_capabilities' ) );
}
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
self::maybe_import_theme_forms();
//creates the "Forms" left menu
add_action( 'admin_menu', array( 'RGForms', 'create_menu' ) );
if ( GF_SUPPORTED_WP_VERSION ) {
add_action( 'admin_footer', array( 'RGForms', 'check_upload_folder' ) );
add_action( 'wp_dashboard_setup', array( 'RGForms', 'dashboard_setup' ) );
// Support modifying the admin page title for settings
add_filter( 'admin_title', array( __class__, 'modify_admin_title' ), 10, 2 );
//Adding "embed form" button
add_action( 'media_buttons', array( 'RGForms', 'add_form_button' ), 20 );
require_once( GFCommon::get_base_path() . '/includes/locking/locking.php' );
if ( self::page_supports_add_form_button() ) {
add_action( 'admin_footer', array( 'RGForms', 'add_mce_popup' ) );
}
if ( self::is_gravity_page() ) {
require_once( GFCommon::get_base_path() . '/tooltips.php' );
} else if ( RG_CURRENT_PAGE == 'media-upload.php' ) {
require_once( GFCommon::get_base_path() . '/entry_list.php' );
} else if ( in_array( RG_CURRENT_PAGE, array( 'admin.php', 'admin-ajax.php' ) ) ) {
add_action( 'wp_ajax_rg_save_form', array( 'RGForms', 'save_form' ) );
add_action( 'wp_ajax_rg_change_input_type', array( 'RGForms', 'change_input_type' ) );
add_action( 'wp_ajax_rg_refresh_field_preview', array( 'RGForms', 'refresh_field_preview' ) );
add_action( 'wp_ajax_rg_add_field', array( 'RGForms', 'add_field' ) );
add_action( 'wp_ajax_rg_duplicate_field', array( 'RGForms', 'duplicate_field' ) );
add_action( 'wp_ajax_rg_delete_field', array( 'RGForms', 'delete_field' ) );
add_action( 'wp_ajax_rg_delete_file', array( 'RGForms', 'delete_file' ) );
add_action( 'wp_ajax_rg_select_export_form', array( 'RGForms', 'select_export_form' ) );
add_action( 'wp_ajax_rg_start_export', array( 'RGForms', 'start_export' ) );
add_action( 'wp_ajax_gf_upgrade_license', array( 'RGForms', 'upgrade_license' ) );
add_action( 'wp_ajax_gf_delete_custom_choice', array( 'RGForms', 'delete_custom_choice' ) );
add_action( 'wp_ajax_gf_save_custom_choice', array( 'RGForms', 'save_custom_choice' ) );
add_action( 'wp_ajax_gf_get_post_categories', array( 'RGForms', 'get_post_category_values' ) );
add_action( 'wp_ajax_gf_get_notification_post_categories', array( 'RGForms', 'get_notification_post_category_values' ) );
add_action( 'wp_ajax_gf_save_confirmation', array( 'RGForms', 'save_confirmation' ) );
add_action( 'wp_ajax_gf_delete_confirmation', array( 'RGForms', 'delete_confirmation' ) );
add_action( 'wp_ajax_gf_save_new_form', array( 'RGForms', 'save_new_form' ) );
//entry list ajax operations
add_action( 'wp_ajax_rg_update_lead_property', array( 'RGForms', 'update_lead_property' ) );
add_action( 'wp_ajax_delete-gf_entry', array( 'RGForms', 'update_lead_status' ) );
//form list ajax operations
add_action( 'wp_ajax_rg_update_form_active', array( 'RGForms', 'update_form_active' ) );
//notification list ajax operations
add_action( 'wp_ajax_rg_update_notification_active', array( 'RGForms', 'update_notification_active' ) );
//confirmation list ajax operations
add_action( 'wp_ajax_rg_update_confirmation_active', array( 'RGForms', 'update_confirmation_active' ) );
//dynamic captcha image
add_action( 'wp_ajax_rg_captcha_image', array( 'RGForms', 'captcha_image' ) );
//dashboard message "dismiss upgrade" link
add_action( 'wp_ajax_rg_dismiss_upgrade', array( 'RGForms', 'dashboard_dismiss_upgrade' ) );
// entry detail: resend notifications
add_action( 'wp_ajax_gf_resend_notifications', array( 'RGForms', 'resend_notifications' ) );
// Shortcode UI
add_action( 'wp_ajax_gf_do_shortcode', array( 'GFForms', 'handle_ajax_do_shortcode' ) );
}
add_filter( 'plugins_api', array( 'RGForms', 'get_addon_info' ), 100, 3 );
add_action( 'after_plugin_row_gravityforms/gravityforms.php', array( 'RGForms', 'plugin_row' ) );
add_action( 'install_plugins_pre_plugin-information', array( 'RGForms', 'display_changelog' ) );
add_filter( 'plugin_action_links', array( 'RGForms', 'plugin_settings_link' ), 10, 2 );
}
}
add_action( 'admin_init', array( 'RGForms', 'ajax_parse_request' ), 10 );
} else {
add_action( 'wp_enqueue_scripts', array( 'RGForms', 'enqueue_scripts' ), 11 );
add_action( 'wp', array( 'RGForms', 'ajax_parse_request' ), 10 );
}
// Add "Form" to the "New" menu in WP admin bar
add_action( 'wp_before_admin_bar_render', array( 'GFForms', 'admin_bar' ) );
add_shortcode( 'gravityform', array( 'RGForms', 'parse_shortcode' ) );
add_shortcode( 'gravityforms', array( 'RGForms', 'parse_shortcode' ) );
// ManageWP premium update filters
add_filter( 'mwp_premium_update_notification', array( 'RGForms', 'premium_update_push' ) );
add_filter( 'mwp_premium_perform_update', array( 'RGForms', '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' ) );
}
public static function load_first() {
$plugin_path = basename( dirname( __FILE__ ) ) . '/gravityforms.php';
$active_plugins = get_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 );
}
}
public static function deactivation_hook() {
GFCache::flush( true );
}
public static function set_logging_supported( $plugins ) {
$plugins['gravityforms'] = 'Gravity Forms Core';
return $plugins;
}
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();
}
}
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();
}
public static function check_update( $update_plugins_option ) {
if ( ! class_exists( 'GFCommon' ) ) {
require_once( 'common.php' );
}
return GFCommon::check_update( $update_plugins_option, true );
}
//Creates or updates database tables. Will only run when version changes
public static function setup( $force_setup = false ) {
$current_version = get_option( 'rg_form_version' );
if ( $current_version === false ){
// Show installation wizard for all new installations
update_option( 'gform_pending_installation', true );
// Turn background updates on by default for all new installations.
update_option( 'gform_enable_background_updates', true );
// All new installations are ready for the value column of the lead_detail table to be longtext.
update_option( 'gform_longtext_ready', true );
}
$has_version_changed = $current_version != GFCommon::$version;
if ( $has_version_changed ) {
//Making sure version has really changed. Gets around aggressive caching issue on some sites that cause setup to run multiple times.
$has_version_changed = self::get_wp_option( 'rg_form_version' ) != GFCommon::$version;
}
if ( $has_version_changed || $force_setup ) {
$blog_id = get_current_blog_id();
GFCommon::log_debug( "GFForms::setup(): Blog {$blog_id} - Beginning of setup. From version " . get_option( 'rg_form_version' ) . ' to version ' . GFCommon::$version );
//setting up database structure
self::setup_database();
//auto-setting and auto-validating license key based on value configured via the GF_LICENSE_KEY constant or the gf_license_key variable
//auto-populating reCAPTCHA keys base on constant
self::maybe_populate_keys();
//Auto-importing forms based on GF_IMPORT_FILE AND GF_THEME_IMPORT_FILE
self::maybe_import_forms();
self::add_security_files();
self::do_self_healing();
//The format the version info changed to JSON. Make sure the old format is not cached.
if ( version_compare( get_option( 'rg_form_version' ), '1.8.0.3', '<' ) ) {
delete_transient( 'gform_update_info' );
}
update_option( 'rg_form_version', GFCommon::$version );
GFCommon::log_debug( "GFForms::setup(): Blog {$blog_id} - End of setup." );
}
}
public static function setup_database() {
global $wpdb;
require_once( ABSPATH . '/wp-admin/includes/upgrade.php' );
if ( ! empty( $wpdb->charset ) ) {
$charset_collate = "DEFAULT CHARACTER SET $wpdb->charset";
}
if ( ! empty( $wpdb->collate ) ) {
$charset_collate .= " COLLATE $wpdb->collate";
}
//Fixes issue with dbDelta lower-casing table names, which cause problems on case sensitive DB servers.
add_filter( 'dbdelta_create_queries', array( 'RGForms', 'dbdelta_fix_case' ) );
/*
* Indexes have a maximum size of 767 bytes. Historically, we haven't need to be concerned about that.
* As of 4.2, however, WP core moved to utf8mb4, which uses 4 bytes per character. This means that an index which
* used to have room for floor(767/3) = 255 characters, now only has room for floor(767/4) = 191 characters.
*/
$max_index_length = 191;
//------ FORM -----------------------------------------------
$form_table_name = RGFormsModel::get_form_table_name();
$sql = 'CREATE TABLE ' . $form_table_name . " (
id mediumint(8) unsigned not null auto_increment,
title varchar(150) not null,
date_created datetime not null,
is_active tinyint(1) not null default 1,
is_trash tinyint(1) not null default 0,
PRIMARY KEY (id)
) $charset_collate;";
dbDelta( $sql );
//droping table that was created by mistake in version 1.6.3.2
$wpdb->query( 'DROP TABLE IF EXISTS A' . $form_table_name );
//------ META -----------------------------------------------
$meta_table_name = RGFormsModel::get_meta_table_name();
$sql = 'CREATE TABLE ' . $meta_table_name . " (
form_id mediumint(8) unsigned not null,
display_meta longtext,
entries_grid_meta longtext,
confirmations longtext,
notifications longtext,
PRIMARY KEY (form_id)
) $charset_collate;";
dbDelta( $sql );
//droping outdated form_id index (if one exists)
self::drop_index( $meta_table_name, 'form_id' );
//------ FORM VIEW -----------------------------------------------
$form_view_table_name = RGFormsModel::get_form_view_table_name();
$sql = 'CREATE TABLE ' . $form_view_table_name . " (
id bigint(20) unsigned not null auto_increment,
form_id mediumint(8) unsigned not null,
date_created datetime not null,
ip char(15),
count mediumint(8) unsigned not null default 1,
PRIMARY KEY (id),
KEY form_id (form_id)
) $charset_collate;";
dbDelta( $sql );
//------ LEAD -----------------------------------------------
$lead_table_name = RGFormsModel::get_lead_table_name();
$sql = 'CREATE TABLE ' . $lead_table_name . " (
id int(10) unsigned not null auto_increment,
form_id mediumint(8) unsigned not null,
post_id bigint(20) unsigned,
date_created datetime not null,
is_starred tinyint(1) not null default 0,
is_read tinyint(1) not null default 0,
ip varchar(39) not null,
source_url varchar(200) not null default '',
user_agent varchar(250) not null default '',
currency varchar(5),
payment_status varchar(15),
payment_date datetime,
payment_amount decimal(19,2),
payment_method varchar(30),
transaction_id varchar(50),
is_fulfilled tinyint(1),
created_by bigint(20) unsigned,
transaction_type tinyint(1),
status varchar(20) not null default 'active',
PRIMARY KEY (id),
KEY form_id (form_id),
KEY status (status)
) $charset_collate;";
dbDelta( $sql );
//------ LEAD NOTES ------------------------------------------
$lead_notes_table_name = RGFormsModel::get_lead_notes_table_name();
$sql = 'CREATE TABLE ' . $lead_notes_table_name . " (
id int(10) unsigned not null auto_increment,
lead_id int(10) unsigned not null,
user_name varchar(250),
user_id bigint(20),
date_created datetime not null,
value longtext,
note_type varchar(50),
PRIMARY KEY (id),
KEY lead_id (lead_id),
KEY lead_user_key (lead_id,user_id)
) $charset_collate;";
dbDelta( $sql );
$value_column_type = get_option( 'gform_longtext_ready' ) ? 'longtext' : 'varchar(' . GFORMS_MAX_FIELD_LENGTH . ')';
//------ LEAD DETAIL -----------------------------------------
$lead_detail_table_name = RGFormsModel::get_lead_details_table_name();
$sql = 'CREATE TABLE ' . $lead_detail_table_name . ' (
id bigint(20) unsigned not null auto_increment,
lead_id int(10) unsigned not null,
form_id mediumint(8) unsigned not null,
field_number float not null,
value ' . $value_column_type . ",
PRIMARY KEY (id),
KEY form_id (form_id),
KEY lead_id (lead_id),
KEY lead_field_number (lead_id,field_number),
KEY lead_field_value (value($max_index_length))
) $charset_collate;";
dbDelta( $sql );
//------ LEAD DETAIL LONG -----------------------------------
$lead_detail_long_table_name = RGFormsModel::get_lead_details_long_table_name();
$sql = 'CREATE TABLE ' . $lead_detail_long_table_name . " (
lead_detail_id bigint(20) unsigned not null,
value longtext,
PRIMARY KEY (lead_detail_id)
) $charset_collate;";
dbDelta( $sql );
// dropping outdated form_id index (if one exists)
self::drop_index( $lead_detail_long_table_name, 'lead_detail_key' );
//------ LEAD META ------------------------------------------
$lead_meta_table_name = RGFormsModel::get_lead_meta_table_name();
// dropping meta_key and form_id_meta_key (if they exist) to prevent duplicate keys error on upgrade
if ( version_compare( get_option( 'rg_form_version' ), '1.9.8.12', '<' ) ) {
self::drop_index( $lead_meta_table_name, 'meta_key' );
self::drop_index( $lead_meta_table_name, 'form_id_meta_key' );
}
$sql = 'CREATE TABLE ' . $lead_meta_table_name . " (
id bigint(20) unsigned not null auto_increment,
form_id mediumint(8) unsigned not null default 0,
lead_id bigint(20) unsigned not null,
meta_key varchar(255),
meta_value longtext,
PRIMARY KEY (id),
KEY meta_key (meta_key($max_index_length)),
KEY lead_id (lead_id),
KEY form_id_meta_key (form_id,meta_key($max_index_length))
) $charset_collate;";
dbDelta( $sql );
//------ INCOMPLETE SUBMISSIONS -------------------------------
$incomplete_submissions_table_name = RGFormsModel::get_incomplete_submissions_table_name();
$sql = 'CREATE TABLE ' . $incomplete_submissions_table_name . " (
uuid char(32) not null,
email varchar(255),
form_id mediumint(8) unsigned not null,
date_created datetime not null,
ip varchar(39) not null,
source_url longtext not null,
submission longtext not null,
PRIMARY KEY (uuid),
KEY form_id (form_id)
) $charset_collate;";
dbDelta( $sql );
remove_filter( 'dbdelta_create_queries', array( 'RGForms', 'dbdelta_fix_case' ) );
//fix form_id value needed to update from version 1.6.11
self::fix_lead_meta_form_id_values();
//fix checkbox value. needed for version 1.0 and below but won't hurt for higher versions
self::fix_checkbox_value();
//fix leading and trailing spaces in Form objects and entry values
if ( version_compare( get_option( 'rg_form_version' ), '1.8.3.1', '<' ) ) {
self::fix_leading_and_trailing_spaces();
}
}
public static function add_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();
}
private static function do_self_healing() {
$flag_security_alert = self::heal_wp_upload_dir();
$gf_upload_root = GFFormsModel::get_upload_root();
if ( ! is_dir( $gf_upload_root ) ) {
return;
}
$flag_security_alert = self::rename_suspicious_files_recursive( $gf_upload_root, $flag_security_alert );
if ( $flag_security_alert ) {
update_option( 'gform_security_alert', $flag_security_alert );
}
}
/**
* Renames files with a .bak extension if they have a file extension that is not allowed in the Gravity Forms uploads folder.
*/
private static function rename_suspicious_files_recursive( $dir, $flag_security_alert = false ) {
if ( ! is_dir( $dir ) || is_link( $dir ) ) {
return;
}
if ( ! ( $dir_handle = opendir( $dir ) ) ) {
return;
}
// ignores all errors
set_error_handler( create_function( '', 'return 0;' ), E_ALL );
while ( false !== ( $file = readdir( $dir_handle ) ) ) {
if ( is_dir( $dir . DIRECTORY_SEPARATOR . $file ) && $file != '.' && $file != '..' ) {
$flag_security_alert = self::rename_suspicious_files_recursive( $dir . DIRECTORY_SEPARATOR . $file, $flag_security_alert );
} 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 );
$flag_security_alert = true;
}
}
closedir( $dir_handle );
return $flag_security_alert;
}
private static function heal_wp_upload_dir(){
$wp_upload_dir = wp_upload_dir();
$wp_upload_path = $wp_upload_dir['basedir'];
if ( ! is_dir( $wp_upload_path ) ) {
return;
}
$flag_security_alert = false;
// ignores all errors
set_error_handler( create_function( '', 'return 0;' ), E_ALL );
foreach ( glob( $wp_upload_path . DIRECTORY_SEPARATOR . '*_input_*.{php,php5}', GLOB_BRACE ) as $filename ) {
$mini_hash = substr( wp_hash( $filename ), 0, 6 );
$newName = sprintf( '%s.%s.bak', $filename, $mini_hash );
rename( $filename, $newName );
$flag_security_alert = true;
}
return $flag_security_alert;
}
private static function fix_leading_and_trailing_spaces() {
global $wpdb;
$meta_table_name = GFFormsModel::get_meta_table_name();
$lead_details_table = GFFormsModel::get_lead_details_table_name();
$lead_details_long_table = GFFormsModel::get_lead_details_long_table_name();
$result = $wpdb->query( "UPDATE $lead_details_table SET value = TRIM(value)" );
$result = $wpdb->query( "UPDATE $lead_details_long_table SET value = TRIM(value)" );
$results = $wpdb->get_results( "SELECT form_id, display_meta, confirmations, notifications FROM {$meta_table_name}", ARRAY_A );
foreach ( $results as &$result ) {
$form_id = $result['form_id'];
$form = GFFormsModel::unserialize( $result['display_meta'] );
$form_updated = false;
$form = GFFormsModel::trim_form_meta_values( $form, $form_updated );
if ( $form_updated ) {
GFFormsModel::update_form_meta( $form_id, $form );
}
$confirmations = GFFormsModel::unserialize( $result['confirmations'] );
$confirmations_updated = false;
$confirmations = GFFormsModel::trim_conditional_logic_values( $confirmations, $form, $confirmations_updated );
if ( $confirmations_updated ) {
GFFormsModel::update_form_meta( $form_id, $confirmations, 'confirmations' );
}
$notifications = GFFormsModel::unserialize( $result['notifications'] );
$notifications_updated = false;
$notifications = GFFormsModel::trim_conditional_logic_values( $notifications, $form, $notifications_updated );
if ( $notifications_updated ) {
GFFormsModel::update_form_meta( $form_id, $notifications, 'notifications' );
}
}
return $results;
}
private static function maybe_import_forms() {
if ( defined( 'GF_IMPORT_FILE' ) && ! get_option( 'gf_imported_file' ) ) {
require_once( GFCommon::get_base_path() . '/export.php' );
GFExport::import_file( GF_IMPORT_FILE );
update_option( 'gf_imported_file', true );
}
}
private static function maybe_import_theme_forms() {
//Import theme specific forms if configured. Will only import forms once per theme.
if ( defined( 'GF_THEME_IMPORT_FILE' ) ) {
$themes = get_option( 'gf_imported_theme_file' );
if ( ! is_array( $themes ) ) {
$themes = array();
}
//if current theme has already imported it's forms, don't import again
$theme = get_template();
if ( ! isset( $themes[ $theme ] ) ) {
require_once( GFCommon::get_base_path() . '/export.php' );
//importing forms
GFExport::import_file( get_stylesheet_directory() . '/' . GF_THEME_IMPORT_FILE );
//adding current theme to the list of imported themes. So that forms are not imported again for it.
$themes[ $theme ] = true;
update_option( 'gf_imported_theme_file', $themes );
}
}
}
private static function maybe_populate_keys() {
global $gf_license_key;
$license_key = defined( 'GF_LICENSE_KEY' ) && empty( $gf_license_key ) ? GF_LICENSE_KEY : $gf_license_key;
if ( ! empty( $license_key ) ) {
RGFormsModel::save_key( $license_key );
GFCommon::cache_remote_message();
GFCommon::get_version_info( false );
}
//auto-setting recaptcha keys based on value configured via the constant or global variable
global $gf_recaptcha_public_key, $gf_recaptcha_private_key;
$private_key = defined( 'GF_RECAPTCHA_PRIVATE_KEY' ) && empty( $gf_recaptcha_private_key ) ? GF_RECAPTCHA_PRIVATE_KEY : $gf_recaptcha_private_key;
if ( ! empty( $private_key ) ) {
update_option( 'rg_gforms_captcha_private_key', $private_key );
}
$public_key = defined( 'GF_RECAPTCHA_PUBLIC_KEY' ) && empty( $gf_recaptcha_public_key ) ? GF_RECAPTCHA_PUBLIC_KEY : $gf_recaptcha_public_key;
if ( ! empty( $public_key ) ) {
update_option( 'rg_gforms_captcha_public_key', $public_key );
}
}
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 ) );
}
//Changes form_id values from default value "0" to the correct value. Needed when upgrading users from 1.6.11
private static function fix_lead_meta_form_id_values() {
global $wpdb;
$lead_meta_table_name = RGFormsModel::get_lead_meta_table_name();
$lead_table_name = RGFormsModel::get_lead_table_name();
$sql = "UPDATE $lead_meta_table_name lm,$lead_table_name l SET lm.form_id = l.form_id
WHERE lm.form_id=0 AND lm.lead_id = l.id;
";
$wpdb->get_results( $sql );
}
public static function dbdelta_fix_case( $cqueries ) {
foreach ( $cqueries as $table => $qry ) {
$table_name = $table;
if ( preg_match( "|CREATE TABLE ([^ ]*)|", $qry, $matches ) ) {
$query_table_name = trim( $matches[1], '`' );
//fix table names that are different just by their casing
if ( strtolower( $query_table_name ) == $table ) {
$table_name = $query_table_name;
}
}
$queries[ $table_name ] = $qry;
}
return $queries;
}
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(),
'gf_edit_forms' => array( 'thickbox', 'editor-buttons', 'wp-jquery-ui-dialog', 'media-views', 'buttons', 'wp-pointer' ),
'gf_edit_forms_notification' => array( 'thickbox', 'editor-buttons', 'wp-jquery-ui-dialog', 'media-views', 'buttons' ),
'gf_new_form' => array( 'thickbox' ),
'gf_entries' => array( 'thickbox' ),
'gf_settings' => array(),
'gf_export' => array(),
'gf_help' => array()
);
self::no_conflict_mode( $wp_styles, $wp_required_styles, $gf_required_styles, 'styles' );
}
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' ),
'gf_edit_forms_notification' => 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', 'jquery-ui-autocomplete' ),
'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' ),
'gf_settings' => array(),
'gf_export' => array( 'gform_form_admin', 'jquery-ui-datepicker', 'gform_field_filter' ),
'gf_help' => array(),
);
self::no_conflict_mode( $wp_scripts, $wp_required_scripts, $gf_required_scripts, 'scripts' );
}
private static function no_conflict_mode( &$wp_objects, $wp_required_objects, $gf_required_objects, $type = 'scripts' ) {
$current_page = trim( strtolower( rgget( 'page' ) ) );
if ( empty( $current_page ) ) {
$current_page = trim( strtolower( rgget( 'gf_page' ) ) );
}
if ( empty( $current_page ) ) {
$current_page = RG_CURRENT_PAGE;
}
$view = rgempty( 'view', $_GET ) ? 'default' : rgget( 'view' );
$page_objects = isset( $gf_required_objects[ $current_page . '_' . $view ] ) ? $gf_required_objects[ $current_page . '_' . $view ] : rgar( $gf_required_objects, $current_page );
//disable no-conflict if $page_objects is false
if ( $page_objects === false ) {
return;
}
if ( ! is_array( $page_objects ) ) {
$page_objects = array();
}
//merging wp scripts with gravity forms scripts
$required_objects = array_merge( $wp_required_objects, $gf_required_objects['common'], $page_objects );
//allowing addons or other products to change the list of no conflict scripts
$required_objects = apply_filters( "gform_noconflict_{$type}", $required_objects );
$queue = array();
foreach ( $wp_objects->queue as $object ) {
if ( in_array( $object, $required_objects ) ) {
$queue[] = $object;
}
}
$wp_objects->queue = $queue;
$required_objects = self::add_script_dependencies( $wp_objects->registered, $required_objects );
//unregistering scripts
$registered = array();
foreach ( $wp_objects->registered as $script_name => $script_registration ) {
if ( in_array( $script_name, $required_objects ) ) {
$registered[ $script_name ] = $script_registration;
}
}
$wp_objects->registered = $registered;
}
private static function add_script_dependencies( $registered, $scripts ) {
//gets all dependent scripts linked to the $scripts array passed
do {
$dependents = array();
foreach ( $scripts as $script ) {
$deps = isset( $registered[ $script ] ) && is_array( $registered[ $script ]->deps ) ? $registered[ $script ]->deps : array();
foreach ( $deps as $dep ) {
if ( ! in_array( $dep, $scripts ) && ! in_array( $dep, $dependents ) ) {
$dependents[] = $dep;
}
}
}
$scripts = array_merge( $scripts, $dependents );
} while ( ! empty( $dependents ) );
return $scripts;
}
//Integration with ManageWP
public static function premium_update_push( $premium_update ) {
if ( ! function_exists( 'get_plugin_data' ) ) {
include_once( ABSPATH . 'wp-admin/includes/plugin.php' );
}
$update = GFCommon::get_version_info();
if ( rgar( $update, 'is_valid_key' ) == true && version_compare( GFCommon::$version, $update['version'], '<' ) ) {
$gforms = get_plugin_data( __FILE__ );
$gforms['type'] = 'plugin';
$gforms['slug'] = 'gravityforms/gravityforms.php';
$gforms['new_version'] = ! rgempty( 'version', $update ) ? $update['version'] : false;
$premium_update[] = $gforms;
}
return $premium_update;
}
//Integration with ManageWP
public static function premium_update( $premium_update ) {
if ( ! function_exists( 'get_plugin_data' ) ) {
include_once( ABSPATH . 'wp-admin/includes/plugin.php' );
}
$update = GFCommon::get_version_info();
if ( rgar( $update, 'is_valid_key' ) == true && version_compare( GFCommon::$version, $update['version'], '<' ) ) {
$gforms = get_plugin_data( __FILE__ );
$gforms['slug'] = 'gravityforms/gravityforms.php'; // If not set by default, always pass theme template
$gforms['type'] = 'plugin';
$gforms['url'] = ! rgempty( 'url', $update ) ? $update['url'] : false; // OR provide your own callback function for managing the update
array_push( $premium_update, $gforms );
}
return $premium_update;
}
public static function drop_index( $table, $index ) {
global $wpdb;
if ( ! GFFormsModel::is_valid_table( $table ) || ! GFFormsModel::is_valid_index( $index ) ) {
return;