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<?php
/**
* EverestForms EVF_AJAX. AJAX Event Handlers.
*
* @class EVF_AJAX
* @package EverestForms/Classes
*/
defined( 'ABSPATH' ) || exit;
/**
* EVF_AJAX class.
*/
class EVF_AJAX {
/**
* Hook in ajax handlers.
*/
public static function init() {
add_action( 'init', array( __CLASS__, 'define_ajax' ), 0 );
add_action( 'template_redirect', array( __CLASS__, 'do_evf_ajax' ), 0 );
self::add_ajax_events();
}
/**
* Set EVF AJAX constant and headers.
*/
public static function define_ajax() {
// @codingStandardsIgnoreStart
if ( ! empty( $_GET['evf-ajax'] ) ) {
evf_maybe_define_constant( 'DOING_AJAX', true );
evf_maybe_define_constant( 'EVF_DOING_AJAX', true );
if ( ! WP_DEBUG || ( WP_DEBUG && ! WP_DEBUG_DISPLAY ) ) {
@ini_set( 'display_errors', 0 ); // Turn off display_errors during AJAX events to prevent malformed JSON.
}
$GLOBALS['wpdb']->hide_errors();
}
// @codingStandardsIgnoreEnd
}
/**
* Send headers for EVF Ajax Requests.
*
* @since 1.0.0
*/
private static function evf_ajax_headers() {
if ( ! headers_sent() ) {
send_origin_headers();
send_nosniff_header();
evf_nocache_headers();
header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) );
header( 'X-Robots-Tag: noindex' );
status_header( 200 );
} elseif ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
headers_sent( $file, $line );
trigger_error( "evf_ajax_headers cannot set headers - headers already sent by {$file} on line {$line}", E_USER_NOTICE ); // @codingStandardsIgnoreLine
}
}
/**
* Check for EVF Ajax request and fire action.
*/
public static function do_evf_ajax() {
global $wp_query;
if ( ! empty( $_GET['evf-ajax'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification
$wp_query->set( 'evf-ajax', sanitize_text_field( wp_unslash( $_GET['evf-ajax'] ) ) ); // phpcs:ignore WordPress.Security.NonceVerification
}
$action = $wp_query->get( 'evf-ajax' );
if ( $action ) {
self::evf_ajax_headers();
$action = sanitize_text_field( $action );
do_action( 'evf_ajax_' . $action );
wp_die();
}
}
/**
* Hook in methods - uses WordPress ajax handlers (admin-ajax).
*/
public static function add_ajax_events() {
$ajax_events = array(
'save_form' => false,
'create_form' => false,
'get_next_id' => false,
'install_extension' => false,
'integration_connect' => false,
'new_email_add' => false,
'integration_disconnect' => false,
'rated' => false,
'review_dismiss' => false,
'survey_dismiss' => false,
'allow_usage_dismiss' => false,
'php_notice_dismiss' => false,
'enabled_form' => false,
'import_form_action' => false,
'template_licence_check' => false,
'template_activate_addon' => false,
'ajax_form_submission' => true,
'send_test_email' => false,
'locate_form_action' => false,
'slot_booking' => true,
'active_addons' => false,
'get_local_font_url' => false,
'form_migrator_forms_list' => false,
'form_migrator' => false,
'fm_dismiss_notice' => false,
'form_entry_migrator' => false,
'embed_form' => false,
'goto_edit_page' => false,
);
foreach ( $ajax_events as $ajax_event => $nopriv ) {
add_action( 'wp_ajax_everest_forms_' . $ajax_event, array( __CLASS__, $ajax_event ) );
if ( $nopriv ) {
add_action( 'wp_ajax_nopriv_everest_forms_' . $ajax_event, array( __CLASS__, $ajax_event ) );
// EVF AJAX can be used for frontend ajax requests.
add_action( 'evf_ajax_' . $ajax_event, array( __CLASS__, $ajax_event ) );
}
}
}
/**
* Ajax handler to get next form ID.
*/
public static function get_next_id() {
// Run a security check.
check_ajax_referer( 'everest_forms_get_next_id', 'security' );
$form_id = isset( $_POST['form_id'] ) ? absint( $_POST['form_id'] ) : 0;
if ( $form_id < 1 ) {
wp_send_json_error(
array(
'error' => esc_html__( 'Invalid form', 'everest-forms' ),
)
);
}
// Check permisssions.
if ( ! current_user_can( 'everest_forms_edit_form', $form_id ) ) {
wp_send_json_error();
}
if ( isset( $_POST['fields'] ) ) {
$fields_data = array();
for ( $i = 0; $i < $_POST['fields']; $i++ ) {
$field_key = evf()->form->field_unique_key( $form_id );
$field_id_array = explode( '-', $field_key );
$new_field_id = ( $field_id_array[ count( $field_id_array ) - 1 ] + 1 );
$fields_data [] = array(
'field_id' => $new_field_id,
'field_key' => $field_key,
);
}
wp_send_json_success(
$fields_data
);
} else {
$field_key = evf()->form->field_unique_key( $form_id );
$field_id_array = explode( '-', $field_key );
$new_field_id = ( $field_id_array[ count( $field_id_array ) - 1 ] + 1 );
wp_send_json_success(
array(
'field_id' => $new_field_id,
'field_key' => $field_key,
)
);
}
}
/**
* AJAX create new form.
*/
public static function create_form() {
ob_start();
check_ajax_referer( 'everest_forms_create_form', 'security' );
// Check permissions.
if ( ! current_user_can( 'everest_forms_create_forms' ) ) {
wp_die( -1 );
}
$title = isset( $_POST['title'] ) ? sanitize_text_field( wp_unslash( $_POST['title'] ) ) : esc_html__( 'Blank Form', 'everest-forms' );
$template = isset( $_POST['template'] ) ? sanitize_text_field( wp_unslash( $_POST['template'] ) ) : 'blank';
$form_id = evf()->form->create( $title, $template );
if ( $form_id ) {
$data = array(
'id' => $form_id,
'redirect' => add_query_arg(
array(
'tab' => 'fields',
'form_id' => $form_id,
),
admin_url( 'admin.php?page=evf-builder' )
),
);
wp_send_json_success( $data );
}
wp_send_json_error(
array(
'error' => esc_html__( 'Something went wrong, please try again later', 'everest-forms' ),
)
);
}
/**
* AJAX Form save.
*/
public static function save_form() {
check_ajax_referer( 'everest_forms_save_form', 'security' );
$logger = evf_get_logger();
// Check permissions.
$logger->info(
__( 'Checking permissions.', 'everest-forms' ),
array( 'source' => 'form-save' )
);
if ( ! current_user_can( 'everest_forms_edit_forms' ) ) {
$logger->critical(
__( 'You do not have permission.', 'everest-forms' ),
array( 'source' => 'form-save' )
);
die( esc_html__( 'You do not have permission.', 'everest-forms' ) );
}
// Check for form data.
$logger->info(
__( 'Checking for form data.', 'everest-forms' ),
array( 'source' => 'form-save' )
);
if ( empty( $_POST['form_data'] ) ) {
$logger->critical(
__( 'No data provided.', 'everest-forms' ),
array( 'source' => 'form-save' )
);
die( esc_html__( 'No data provided', 'everest-forms' ) );
}
$form_post = evf_sanitize_builder( json_decode( wp_unslash( $_POST['form_data'] ) ) ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash
$data = array();
if ( ! is_null( $form_post ) && $form_post ) {
foreach ( $form_post as $post_index => $post_input_data ) {
// For input names that are arrays (e.g. `menu-item-db-id[3][4][5]`),
// derive the array path keys via regex and set the value in $_POST.
preg_match( '#([^\[]*)(\[(.+)\])?#', $post_input_data->name, $matches );
$array_bits = array( $matches[1] );
if ( isset( $matches[3] ) ) {
$array_bits = array_merge( $array_bits, explode( '][', $matches[3] ) );
}
$new_post_data = array();
// Build the new array value from leaf to trunk.
for ( $i = count( $array_bits ) - 1; $i >= 0; $i-- ) {
if ( count( $array_bits ) - 1 === $i ) {
if ( '' === $array_bits[ $i ] ) {
$new_post_data [ $post_index ] = wp_slash( $post_input_data->value );
} else {
$new_post_data[ $array_bits[ $i ] ] = wp_slash( $post_input_data->value );
}
} else {
$new_post_data = array(
$array_bits[ $i ] => $new_post_data,
);
}
}
$data = array_replace_recursive( $data, $new_post_data );
}
}
// Check for empty meta key.
$logger->info(
__( 'Check for empty meta key.', 'everest-forms' ),
array( 'source' => 'form-save' )
);
$empty_meta_data = array();
if ( ! empty( $data['form_fields'] ) ) {
foreach ( $data['form_fields'] as $field_key => $field ) {
if ( ! empty( $field['label'] ) ) {
// Only allow specific html in label.
$data['form_fields'][ $field_key ]['label'] = wp_kses(
$field['label'],
array(
'a' => array(
'href' => array(),
'class' => array(),
),
'span' => array(
'class' => array(),
),
'em' => array(),
'small' => array(),
'strong' => array(),
)
);
// Register string for translation.
evf_string_translation( $data['id'], $field['id'], $field['label'] );
}
if ( empty( $field['meta-key'] ) && ! in_array( $field['type'], array( 'html', 'title', 'captcha', 'divider', 'reset' ), true ) ) {
$empty_meta_data[] = $field['label'];
}
}
if ( ! empty( $empty_meta_data ) ) {
$logger->error(
__( 'Meta Key missing.', 'everest-forms' ),
array( 'source' => 'form-save' )
);
wp_send_json_error(
array(
'errorTitle' => esc_html__( 'Meta Key missing', 'everest-forms' ),
/* translators: %s: empty meta data */
'errorMessage' => sprintf( esc_html__( 'Please add Meta key for fields: %s', 'everest-forms' ), '<strong>' . implode( ', ', $empty_meta_data ) . '</strong>' ),
)
);
}
}
// Fix for sorting field ordering.
$logger->info(
__( 'Fix for sorting field ordering.', 'everest-forms' ),
array( 'source' => 'form-save' )
);
if ( isset( $data['structure'], $data['form_fields'] ) ) {
$structure = evf_flatten_array( $data['structure'] );
$data['form_fields'] = array_merge( array_intersect_key( array_flip( $structure ), $data['form_fields'] ), $data['form_fields'] );
}
$form_id = evf()->form->update( $data['id'], $data );
$form_styles = get_option( 'everest_forms_styles', array() );
$logger->info(
__( 'Saving form.', 'everest-forms' ),
array( 'source' => 'form-save' )
);
do_action( 'everest_forms_save_form', $form_id, $data, array(), ! empty( $form_styles[ $form_id ] ) );
if ( ! $form_id ) {
$logger->error(
__( 'An error occurred while saving the form.', 'everest-forms' ),
array( 'source' => 'form-save' )
);
wp_send_json_error(
array(
'errorTitle' => esc_html__( 'Form not found', 'everest-forms' ),
'errorMessage' => esc_html__( 'An error occurred while saving the form.', 'everest-forms' ),
)
);
} else {
$logger->info(
__( 'Form Saved successfully.', 'everest-forms' ),
array( 'source' => 'form-save' )
);
wp_send_json_success(
apply_filters(
'everest_forms_save_form_data',
array(
'form_name' => esc_html( $data['settings']['form_title'] ),
'redirect_url' => admin_url( 'admin.php?page=evf-builder' ),
),
$form_id,
$data
)
);
}
}
/**
* Ajax handler for form submission.
*/
public static function ajax_form_submission() {
check_ajax_referer( 'everest_forms_ajax_form_submission', 'security' );
if ( ! empty( $_POST['everest_forms']['id'] ) ) {
$process = evf()->task->ajax_form_submission( evf_sanitize_entry( wp_unslash( $_POST['everest_forms'] ) ) ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
if ( isset( $process['response'] ) && 'success' === $process['response'] ) {
wp_send_json_success( $process );
}
wp_send_json_error( $process );
}
}
/**
* Ajax handler for template required addon activation.
*/
public static function template_activate_addon() {
check_ajax_referer( 'everest_forms_template_licence_check', 'security' );
if ( empty( $_POST['addon'] ) ) {
wp_send_json_error(
array(
'errorCode' => 'no_addon_specified',
'errorMessage' => esc_html__( 'No Addon specified.', 'everest-forms' ),
)
);
}
$activate = activate_plugin( sanitize_text_field( wp_unslash( $_POST['addon'] ) ) . '/' . sanitize_text_field( wp_unslash( $_POST['addon'] ) ) . '.php' );
if ( is_wp_error( $activate ) ) {
wp_send_json_error(
array(
'errorCode' => 'addon_not_active',
'errorMessage' => esc_html__( 'Addon can not be activate. Please try again.', 'everest-forms' ),
)
);
} else {
wp_send_json_success( 'Addon sucessfully activated.' );
}
}
/**
* Ajax handler for licence check.
*
* @global WP_Filesystem_Base $wp_filesystem Subclass
*/
public static function template_licence_check() {
check_ajax_referer( 'everest_forms_template_licence_check', 'security' );
if ( empty( $_POST['plan'] ) ) {
wp_send_json_error(
array(
'plan' => '',
'errorCode' => 'no_plan_specified',
'errorMessage' => esc_html__( 'No Plan specified.', 'everest-forms' ),
)
);
}
$addons = array();
$template_data = EVF_Admin_Form_Templates::get_template_data();
$template_data = is_array( $template_data ) ? $template_data : array();
if ( ! empty( $template_data ) ) {
foreach ( $template_data as $template ) {
if ( isset( $_POST['slug'] ) && $template->slug === $_POST['slug'] && in_array( trim( $_POST['plan'] ), $template->plan, true ) ) {
$addons = $template->addons;
}
}
}
$output = '<div class="everest-forms-recommend-addons">';
$output .= '<p class="desc plugins-info">' . esc_html__( 'This form template requires the following addons.', 'everest-forms' ) . '</p>';
$output .= '<table class="plugins-list-table widefat striped">';
$output .= '<thead><tr><th scope="col" class="manage-column required-plugins" colspan="2">Required Addons</th></tr></thead><tbody id="the-list">';
$output .= '</div>';
$activated = true;
foreach ( $addons as $slug => $addon ) {
if ( is_plugin_active( $slug . '/' . $slug . '.php' ) ) {
$class = 'active';
$parent_class = '';
} elseif ( file_exists( WP_PLUGIN_DIR . '/' . $slug . '/' . $slug . '.php' ) ) {
$class = 'activate-now';
$parent_class = 'inactive';
$activated = false;
} else {
$class = 'install-now';
$parent_class = 'inactive';
$activated = false;
}
$output .= '<tr class="plugin-card-' . $slug . ' plugin ' . $parent_class . '" data-slug="' . $slug . '" data-plugin="' . $slug . '/' . $slug . '.php" data-name="' . $addon . '">';
$output .= '<td class="plugin-name">' . $addon . '</td>';
$output .= '<td class="plugin-status"><span class="' . esc_attr( $class ) . '"></span></td>';
$output .= '</tr>';
}
$output .= '</tbody></table></div>';
wp_send_json_success(
array(
'html' => $output,
'activate' => $activated,
)
);
}
/**
* Ajax handler for installing a extension.
*
* @since 1.2.0
*
* @see Plugin_Upgrader
*
* @global WP_Filesystem_Base $wp_filesystem Subclass
*/
public static function install_extension() {
check_ajax_referer( 'updates' );
if ( empty( $_POST['slug'] ) ) {
wp_send_json_error(
array(
'slug' => '',
'errorCode' => 'no_plugin_specified',
'errorMessage' => esc_html__( 'No plugin specified.', 'everest-forms' ),
)
);
}
$slug = sanitize_key( wp_unslash( $_POST['slug'] ) );
$plugin = plugin_basename( sanitize_text_field( wp_unslash( $_POST['slug'] . '/' . $_POST['slug'] . '.php' ) ) );
$status = array(
'install' => 'plugin',
'slug' => sanitize_key( wp_unslash( $_POST['slug'] ) ),
);
if ( ! current_user_can( 'install_plugins' ) ) {
$status['errorMessage'] = esc_html__( 'Sorry, you are not allowed to install plugins on this site.', 'everest-forms' );
wp_send_json_error( $status );
}
include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
include_once ABSPATH . 'wp-admin/includes/plugin-install.php';
if ( file_exists( WP_PLUGIN_DIR . '/' . $slug ) ) {
$plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
$status['plugin'] = $plugin;
$status['pluginName'] = $plugin_data['Name'];
if ( current_user_can( 'activate_plugin', $plugin ) && is_plugin_inactive( $plugin ) ) {
$result = activate_plugin( $plugin );
if ( is_wp_error( $result ) ) {
$status['errorCode'] = $result->get_error_code();
$status['errorMessage'] = $result->get_error_message();
wp_send_json_error( $status );
}
wp_send_json_success( $status );
}
}
$api = json_decode(
EVF_Updater_Key_API::version(
array(
'license' => get_option( 'everest-forms-pro_license_key' ),
'item_name' => ! empty( $_POST['name'] ) ? sanitize_text_field( wp_unslash( $_POST['name'] ) ) : '',
)
)
);
if ( is_wp_error( $api ) ) {
$status['errorMessage'] = $api->get_error_message();
wp_send_json_error( $status );
}
$status['pluginName'] = $api->name;
$skin = new WP_Ajax_Upgrader_Skin();
$upgrader = new Plugin_Upgrader( $skin );
$result = $upgrader->install( $api->download_link );
if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
$status['debug'] = $skin->get_upgrade_messages();
}
if ( is_wp_error( $result ) ) {
$status['errorCode'] = $result->get_error_code();
$status['errorMessage'] = $result->get_error_message();
wp_send_json_error( $status );
} elseif ( is_wp_error( $skin->result ) ) {
$status['errorCode'] = $skin->result->get_error_code();
$status['errorMessage'] = $skin->result->get_error_message();
wp_send_json_error( $status );
} elseif ( $skin->get_errors()->get_error_code() ) {
$status['errorMessage'] = $skin->get_error_messages();
wp_send_json_error( $status );
} elseif ( is_null( $result ) ) {
global $wp_filesystem;
$status['errorCode'] = 'unable_to_connect_to_filesystem';
$status['errorMessage'] = esc_html__( 'Unable to connect to the filesystem. Please confirm your credentials.', 'everest-forms' );
// Pass through the error from WP_Filesystem if one was raised.
if ( $wp_filesystem instanceof WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {
$status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() );
}
wp_send_json_error( $status );
}
$install_status = install_plugin_install_status( $api );
if ( current_user_can( 'activate_plugin', $install_status['file'] ) && is_plugin_inactive( $install_status['file'] ) ) {
if ( isset( $_POST['page'] ) && 'everest-forms_page_evf-builder' === $_POST['page'] ) {
activate_plugin( $install_status['file'] );
} else {
$status['activateUrl'] =
esc_url_raw(
add_query_arg(
array(
'action' => 'activate',
'plugin' => $install_status['file'],
'_wpnonce' => wp_create_nonce( 'activate-plugin_' . $install_status['file'] ),
),
admin_url( 'admin.php?page=evf-addons' )
)
);
}
}
wp_send_json_success( $status );
}
/**
* AJAX Integration connect.
*/
public static function integration_connect() {
check_ajax_referer( 'process-ajax-nonce', 'security' );
// Check permissions.
if ( ! current_user_can( 'everest_forms_edit_forms' ) ) {
wp_die( -1 );
}
if ( empty( $_POST ) ) {
wp_send_json_error(
array(
'error' => esc_html__( 'Missing data', 'everest-forms' ),
)
);
}
do_action( 'everest_forms_integration_account_connect_' . ( isset( $_POST['source'] ) ? sanitize_text_field( wp_unslash( $_POST['source'] ) ) : '' ), $_POST );
}
/**
* AJAX Email Add.
*/
public static function new_email_add() {
check_ajax_referer( 'process-ajax-nonce', 'security' );
// Check permissions.
if ( ! current_user_can( 'everest_forms_edit_forms' ) ) {
wp_die( -1 );
}
$connection_id = 'connection_' . uniqid();
$preview_url = add_query_arg(
array(
'evf_email_preview' => $connection_id,
'form_id' => isset( $_POST['id'] ) ? absint( $_POST['id'] ) : 0,
),
home_url()
);
wp_send_json_success(
array(
'connection_id' => $connection_id,
'preview_url' => $preview_url,
)
);
}
/**
* AJAX Email Duplicate.
*/
public static function email_duplicate() {
check_ajax_referer( 'process-ajax-nonce', 'security' );
// Check permissions.
if ( ! current_user_can( 'everest_forms_edit_forms' ) ) {
wp_die( -1 );
}
$connection_id = 'connection_' . uniqid();
$preview_url = '';
$preview_url = add_query_arg(
array(
'evf_email_preview' => $connection_id,
'form_id' => isset( $_POST['id'] ) ? absint( $_POST['id'] ) : 0,
'preview_url' => $preview_url,
),
home_url()
);
wp_send_json_success(
array(
'connection_id' => $connection_id,
'prev_connection_id' => isset( $_POST['prev_connection_id'] ) ? sanitize_text_field( wp_unslash( $_POST['prev_connection_id'] ) ) : '',
'preview_url' => $preview_url,
)
);
}
/**
* AJAX Integration disconnect.
*/
public static function integration_disconnect() {
check_ajax_referer( 'process-ajax-nonce', 'security' );
// Check permissions.
if ( ! current_user_can( 'everest_forms_edit_forms' ) ) {
wp_die( -1 );
}
if ( empty( $_POST ) ) {
wp_send_json_error(
array(
'error' => esc_html__( 'Missing data', 'everest-forms' ),
)
);
}
do_action( 'everest_forms_integration_account_disconnect_' . ( isset( $_POST['source'] ) ? sanitize_text_field( wp_unslash( $_POST['source'] ) ) : '' ), $_POST );
$connected_accounts = get_option( 'everest_forms_integrations', false );
if ( ! empty( $connected_accounts[ $_POST['source'] ][ $_POST['key'] ] ) ) {
unset( $connected_accounts[ $_POST['source'] ][ $_POST['key'] ] );
update_option( 'everest_forms_integrations', $connected_accounts );
wp_send_json_success( array( 'remove' => true ) );
} else {
wp_send_json_error(
array(
'error' => esc_html__( 'Connection missing', 'everest-forms' ),
)
);
}
}
/**
* Triggered when clicking the rating footer.
*/
public static function rated() {
if ( ! current_user_can( 'manage_everest_forms' ) ) {
wp_die( -1 );
}
update_option( 'everest_forms_admin_footer_text_rated', 1 );
wp_die();
}
/**
* Triggered when clicking the review notice button.
*/
public static function review_dismiss() {
if ( ! current_user_can( 'manage_everest_forms' ) ) {
wp_die( -1 );
}
$review = get_option( 'everest_forms_review', array() );
$review['time'] = current_time( 'timestamp' ); // phpcs:ignore WordPress.DateTime.CurrentTimeTimestamp.Requested
$review['dismissed'] = true;
update_option( 'everest_forms_review', $review );
wp_die();
}
/**
* Triggered when clicking the survey notice button.
*/
public static function survey_dismiss() {
if ( ! current_user_can( 'manage_everest_forms' ) ) {
wp_die( -1 );
}
$survey = get_option( 'everest_forms_survey', array() );
$survey['dismissed'] = true;
update_option( 'everest_forms_survey', $survey );
wp_die();
}
/**
* Triggered when clicking the allow usage notice allow or deny buttons.
*/
public static function allow_usage_dismiss() {
check_ajax_referer( 'allow_usage_nonce', '_wpnonce' );
if ( ! current_user_can( 'manage_everest_forms' ) ) {
wp_die( -1 );
}
$allow_usage_tracking = isset( $_POST['allow_usage_tracking'] ) ? sanitize_text_field( wp_unslash( $_POST['allow_usage_tracking'] ) ) : false;
update_option( 'everest_forms_allow_usage_notice_shown', true );
if ( 'true' === $allow_usage_tracking ) {
update_option( 'everest_forms_allow_usage_tracking', 'yes' );
}
wp_die();
}
/**
* Triggered when clicking the PHP deprecation notice.
*/
public static function php_notice_dismiss() {
check_ajax_referer( 'php_notice_nonce', '_wpnonce' );
if ( ! current_user_can( 'manage_everest_forms' ) ) {
wp_die( -1 );
}
$current_date = gmdate( 'Y-m-d' );
$prompt_count = get_option( 'everest_forms_php_deprecated_notice_prompt_count', 0 );
update_option( 'everest_forms_php_deprecated_notice_last_prompt_date', $current_date );
update_option( 'everest_forms_php_deprecated_notice_prompt_count', ++$prompt_count );
wp_die();
}
/**
* Triggered when clicking the form toggle.
*/
public static function enabled_form() {
// Run a security check.
check_ajax_referer( 'everest_forms_enabled_form', 'security' );
$form_id = isset( $_POST['form_id'] ) ? absint( $_POST['form_id'] ) : 0;
$enabled = isset( $_POST['enabled'] ) ? absint( $_POST['enabled'] ) : 0;
if ( ! current_user_can( 'everest_forms_edit_form', $form_id ) ) {
wp_die( -1 );
}
$form_data = evf()->form->get( absint( $form_id ), array( 'content_only' => true ) );
$form_data['form_enabled'] = $enabled;
evf()->form->update( $form_id, $form_data );
}
/**
* Import Form ajax.
*/
public static function import_form_action() {
try {
check_ajax_referer( 'process-import-ajax-nonce', 'security' );
EVF_Admin_Import_Export::import_forms();
} catch ( Exception $e ) {
wp_send_json_error(
array(
'message' => $e->getMessage(),
)
);
}
}
/**
* Send test email.
*/
public static function send_test_email() {
try {
check_ajax_referer( 'process-ajax-nonce', 'security' );
$from = esc_attr( get_bloginfo( 'name', 'display' ) );
$email = sanitize_email( isset( $_POST['email'] ) ? wp_unslash( $_POST['email'] ) : '' );
/* translators: %s: from address */
$subject = 'Everest Form: ' . sprintf( esc_html__( 'Test email from %s', 'everest-forms' ), $from );
$header = "Reply-To: {{from}} \r\n";
$header .= 'Content-Type: text/html; charset=UTF-8';
$message = sprintf(
'%s <br /> %s <br /> %s <br /> %s <br /> %s',
__( 'Congratulations,', 'everest-forms' ),
__( 'Your test email has been received successfully.', 'everest-forms' ),
__( 'We thank you for trying out Everest Forms and joining our mission to make sure you get your emails delivered.', 'everest-forms' ),
__( 'Regards,', 'everest-forms' ),
__( 'Everest Forms Team', 'everest-forms' )
);
$status = wp_mail( $email, $subject, $message, $header );
if ( $status ) {
wp_send_json_success( array( 'message' => __( 'Test email was sent successfully! Please check your inbox to make sure it is delivered.', 'everest-forms' ) ) );
} else {
wp_send_json_error( array( 'message' => __( 'Test email was unsuccessful! Something went wrong.', 'everest-forms' ) ) );
}
} catch ( Exception $e ) {
wp_send_json_error(
array(
'message' => $e->getMessage(),
)
);
}
}
/**
* Locate form.
*/
public static function locate_form_action() {
global $wpdb;
try {
check_ajax_referer( 'process-locate-ajax-nonce', 'security' );
$id = isset( $_POST['id'] ) ? sanitize_text_field( wp_unslash( $_POST['id'] ) ) : '';
$everest_form_shortcode = '%[everest_form id="' . $id . '"%';
$form_id_shortcode = '%{"formId":"' . $id . '"%';
$pages = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}posts WHERE post_content LIKE %s OR post_content LIKE %s", $everest_form_shortcode, $form_id_shortcode ) ); // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$page_list = array();
foreach ( $pages as $page ) {
if ( 'page' === $page->post_type || 'post' === $page->post_type ) {
$page_title = $page->post_title;
$page_guid = get_permalink( $page->ID );
$page_list[ $page_title ] = $page_guid;
}
}
wp_send_json_success( $page_list );
} catch ( Exception $e ) {
wp_send_json_error(
array(
'message' => $e->getMessage(),
)
);
}
}
/**
* Slot booking.
*/
public static function slot_booking() {
try {
check_ajax_referer( 'everest_forms_slot_booking_nonce', 'security' );
$datetime_value = isset( $_POST['data-time-value'] ) ? sanitize_text_field( wp_unslash( $_POST['data-time-value'] ) ) : '';
$datetime_format = isset( $_POST['data-time-format'] ) ? sanitize_text_field( wp_unslash( $_POST['data-time-format'] ) ) : '';
$date_format = isset( $_POST['data-format'] ) ? sanitize_text_field( wp_unslash( $_POST['data-format'] ) ) : '';
$mode = isset( $_POST['mode'] ) ? sanitize_text_field( wp_unslash( $_POST['mode'] ) ) : '';
$form_id = isset( $_POST['form-id'] ) ? sanitize_text_field( wp_unslash( $_POST['form-id'] ) ) : '';
$time_interval = isset( $_POST['time-interval'] ) ? sanitize_text_field( wp_unslash( $_POST['time-interval'] ) ) : '';
$datetime_arr = parse_datetime_values( $datetime_value, $datetime_format, $date_format, $mode, $time_interval );
if ( empty( $datetime_arr ) ) {
wp_send_json_error(
array(
'message' => __( 'Please select at least one date time.', 'everest-forms' ),
)
);
}
$booked_slot = maybe_unserialize( get_option( 'evf_booked_slot', '' ) );
$is_booked = false;
if ( ! empty( $booked_slot ) && array_key_exists( $form_id, $booked_slot ) ) {
foreach ( $datetime_arr as $arr ) {
foreach ( $booked_slot[ $form_id ] as $key => $slot ) {
if ( $arr[0] >= $slot[0] && $arr[1] <= $slot[1] ) {
$is_booked = true;
break;
} elseif ( $arr[0] >= $slot[0] && $arr[0] < $slot[1] && $arr[1] >= $slot[1] ) {
$is_booked = true;
break;
}
}
}
}
if ( $is_booked ) {
wp_send_json_success(
array(
'message' => __( 'This slot is already booked. Please choose other slot', 'everest-forms' ),
)
);
}
wp_send_json_error(
array(
'message' => __( 'This slot is not booked.', 'everest-forms' ),
)
);
} catch ( Exception $e ) {
wp_send_json_error(
array(
'message' => __( 'Something went wrong.', 'everest-forms' ),
)
);
}
}
/**
* Activate addons from builder.
*/
public static function active_addons() {
try {
check_ajax_referer( 'evf_active_nonce', 'security' );
$plugin = isset( $_POST['plugin_file'] ) ? sanitize_text_field( wp_unslash( $_POST['plugin_file'] ) ) : '';
$activate = activate_plugin( $plugin );
if ( is_wp_error( $activate ) ) {
$activation_error = $activate->get_error_message();
wp_send_json_error(
array(
'message' => $activation_error,
)
);
} else {
wp_send_json_success(
array(
'message' => __( 'Activated successfully', 'everest-forms' ),
)
);
}
} catch ( Exception $e ) {
wp_send_json_error(
array(
'message' => $e->getMessage(),
)
);
}
}
/**
* Download the provided font and return the url for font file.
*
* @since 2.0.8
*/
public static function get_local_font_url() {
$font_url = isset( $_POST['font_url'] ) ? sanitize_text_field( wp_unslash( $_POST['font_url'] ) ) : ''; //phpcs:ignore WordPress.Security.NonceVerification
$allowed_urls = array(
'https://fonts.googleapis.com',
);
if ( ! in_array( $font_url, $allowed_urls ) ) {
return;
}
if ( str_contains( $font_url, 'https://fonts.googleapis.com' ) ) {
$font_url = evf_maybe_get_local_font_url( $font_url );
}
return wp_send_json_success( $font_url );
}
/**
* Forms list for form migrator.
*
* @since 2.0.8
*/
public static function form_migrator_forms_list() {
try {
check_ajax_referer( 'evf_form_migrator_forms_list_nonce', 'security' );
$form_slug = isset( $_POST['form_slug'] ) ? sanitize_text_field( wp_unslash( $_POST['form_slug'] ) ) : '';
if ( '' === $form_slug ) {
wp_send_json_error(
array(
'message' => __( 'Missing form slug !', 'everest-forms' ),
)
);
}
// Creating the form instance and getting the form list.
$class_name = 'EVF_Fm_' . ucfirst( trim( str_replace( '-', '', $form_slug ) ) );
if ( ! class_exists( $class_name ) ) {
$except_message = sprintf( '<b><i>%s</i></b> %s', $class_name, esc_html__( 'does not exist.', 'everest-forms' ) );
throw new Exception( $except_message );
}
$form_instance = new $class_name();
$forms_list = $form_instance->get_forms();
if ( empty( $forms_list ) ) {
wp_send_json_error(
array(
'message' => esc_html( 'No forms are currently available in the list !!!', 'everest-forms' ),
)
);
}
$row = 0;
$form_per_page = 5;
$ceil = ceil( count( $forms_list ) / $form_per_page );
$forms_list_table = '<div class="evf-fm-forms-table-wrapper">';
$forms_list_table .= '<h4>' . sprintf( '%s %s', esc_html__( 'Import', 'everest-forms' ), $form_instance->name ) . '</h4>';
$forms_list_table .= '<table class="evf-fm-forms-table" data-form-slug="' . esc_attr( $form_slug ) . '">';
$forms_list_table .= '<tr class="evf-th-title"><th><input id="evf-fm-select-all" type="checkbox" name="fm_select_all_form" /></th><th>' . esc_html__( 'Form Name', 'everest-forms' ) . '</th><th>' . esc_html__( 'Imported', 'everest-forms' ) . '</th><th>' . esc_html__( 'Action' ) . '</th></tr>';
$hidden = '';
$imported = get_option( 'evf_fm_' . $form_slug . '_imported_form_list', array() );
foreach ( $forms_list as $form_id => $form_name ) {
++$row;
if ( in_array( $form_id, $imported ) ) {
$is_imported = true;
$imported_text = esc_html__( 'Yes', 'everest-forms' );
} else {
$is_imported = false;
$imported_text = esc_html__( 'No', 'everest-forms' );
}
$forms_list_table .= '<tr id="evf-fm-row-' . esc_attr( $row ) . '" class="evf-fm-row ' . esc_attr( $hidden ) . '"><td><input class="evf-fm-select-single" type="checkbox" name="fm_select_single_form_' . esc_attr( $form_id ) . '" data-form-id="' . esc_attr( $form_id ) . '" /></td><td>' . esc_html__( $form_name, 'everest-forms' ) . '</td><td><p class="evf-fm-imported" data-form-id="' . esc_attr( $form_id ) . '">' . esc_attr( $imported_text ) . '<p></td>';
$forms_list_table .= '<td>';
$forms_list_table .= '<div class="evf-fm-import-actions"><button class="evf-fm-import-single" data-form-id="' . esc_attr( $form_id ) . '">' . esc_html( 'Import Form' ) . '</button>';
if ( 'contact-form-7' !== $form_slug ) {
$disabled = $is_imported ? '' : 'disabled';
$forms_list_table .= '<button class="evf-fm-import-entry" data-form-id="' . esc_attr( $form_id ) . '"' . esc_attr( $disabled ) . '>' . esc_html( 'Import Entry' ) . '</button>';
}
$forms_list_table .= '</div></td></tr>';
if ( $row === $form_per_page ) {
$hidden = 'evf-fm-hide-row';
}
}
$forms_list_table .= '</table>';
$forms_list_table .= '<div class="evf-fm-import-selected-wrapper"><button class="evf-fm-import-selected-btn">' . esc_html( 'Import Selected Forms' ) . '</button>';
$forms_list_table .= '<div data-total-page="' . esc_attr( count( $forms_list ) ) . '" data-fm-ceil="' . esc_attr( $ceil ) . '" data-form-per-page="' . esc_attr( $form_per_page ) . '" class="evf-fm-pagination">';
for ( $page = 1; $page <= $ceil; $page++ ) {
$active = '';
if ( 1 === $page ) {
$active = 'evf-fm-btn-active';
}
$forms_list_table .= '<button class="evf-fm-page ' . esc_attr( $active ) . '" data-page="' . esc_attr( $page ) . '">' . esc_attr( $page ) . '</button>';
}
$forms_list_table .= '</div></div>';
$forms_list_table .= '</div>';
wp_send_json_success(
array(
'message' => esc_html( 'All Forms List', 'everest-forms' ),
'forms_list_table' => $forms_list_table,
)
);
} catch ( Exception $e ) {
wp_send_json_error(
array(
'message' => $e->getMessage(),
)
);
}
}
/**
* Form migrator.
*
* @since 2.0.8
*/
public static function form_migrator() {
try {
check_ajax_referer( 'evf_form_migrator_nonce', 'security' );
$form_slug = isset( $_POST['form_slug'] ) ? sanitize_text_field( wp_unslash( $_POST['form_slug'] ) ) : '';
$form_ids = isset( $_POST['form_ids'] ) ? wp_unslash( $_POST['form_ids'] ) : ''; //phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
if ( '' === $form_ids ) {
wp_send_json_error(
array(
'message' => __( 'Missing Form ID !!!', 'everest-forms' ),
)
);
}
$class_name = 'EVF_Fm_' . ucfirst( trim( str_replace( '-', '', $form_slug ) ) );
if ( ! class_exists( $class_name ) ) {
$except_message = sprintf( '<b><i>%s</i></b> %s', $class_name, esc_html__( 'does not exist.' ) );
throw new Exception( $except_message );
}
// Create the instance of class.
$form_instance = new $class_name();
$forms_data = $form_instance->get_fm_mapped_form_data( $form_ids );
if ( 1 === count( $forms_data ) ) {
wp_send_json_success(
array(
'message' => sprintf( '%s <a href="%s" target="_blank">%s</a>', __( 'Imported Successfully.', 'everest-forms' ), esc_url( $forms_data[ $form_ids[0] ]['edit'] ), __( 'View Form', 'everest-forms' ) ),
'form_data' => $forms_data,
)
);
} else {
wp_send_json_success(
array(
'message' => __( 'Imported Successfully', 'everest-forms' ),
'form_data' => $forms_data,
)
);
}
} catch ( Exception $e ) {
wp_send_json_error(
array(
'message' => $e->getMessage(),
)
);
}
}
/**
* Dismiss Form migrator notice.
*
* @since 2.0.8
*/
public static function fm_dismiss_notice() {
try {
check_ajax_referer( 'evf_fm_dismiss_notice_nonce', 'security' );
$option_id = isset( $_POST['option_id'] ) ? sanitize_text_field( $_POST['option_id'] ) : '';
update_option( $option_id, true );
wp_send_json_success(
array(
'message' => __( 'Updated !', 'everest-forms' ),
)
);
} catch ( Exception $e ) {
wp_send_json_error(
array(
'message' => $e->getMessage(),
)
);
}
}
/**
* Form entry migrator.
*
* @since 2.0.8
*/
public static function form_entry_migrator() {
try {
check_ajax_referer( 'evf_form_entry_migrator_nonce', 'security' );
if ( ! wpforms()->is_pro() ) {
wp_send_json_error(
array(
'message' => esc_html__( 'Entries not available in WPForms Lite.', 'everest-forms' ),
)
);
}
$form_id = isset( $_POST['form_id'] ) ? sanitize_text_field( wp_unslash( $_POST['form_id'] ) ) : '';
$form_slug = isset( $_POST['form_slug'] ) ? sanitize_text_field( wp_unslash( $_POST['form_slug'] ) ) : '';
if ( empty( $form_id ) || empty( $form_slug ) ) {
wp_send_json_error(
array(
'message' => __( 'Invalid Request !!', 'everest-forms' ),
)
);
}
$migrated_form_list = get_option( 'evf_fm_' . $form_slug . '_imported_form_list', array() );
$evf_form_id = array_search( $form_id, $migrated_form_list );
if ( ! $evf_form_id ) {
wp_send_json_error(
array(
'message' => esc_html__( 'Please migrate the form before importing the entry', 'everest-forms' ),
)
);
}
// Creating the form instance and getting the form list.
$class_name = 'EVF_Fm_' . ucfirst( trim( str_replace( '-', '', $form_slug ) ) );
if ( ! class_exists( $class_name ) ) {
$except_message = sprintf( '<b><i>%s</i></b> %s', $class_name, esc_html__( 'does not exist.' ) );
throw new Exception( $except_message );
}
// Create the instance of class.
$form_instance = new $class_name();
$evf_entries = $form_instance->migrate_entry( $evf_form_id, $form_id );
$success = array();
$unsuccess = array();
foreach ( $evf_entries as $key => $entry ) {
if ( ! $entry ) {
$unsuccess[] = $key;
continue;
}
$success[] = $key;
}
if ( count( $unsuccess ) === 0 ) {
$response = array(
'message' => esc_html__( 'All entries are migrated successfully!!', 'everest-forms' ),
'success' => $success,
'unsuccess' => $unsuccess,
);
} elseif ( count( $unsuccess ) > 0 && count( $success ) === 0 ) {
$response = array(
'message' => esc_html__( 'Entry migration failed!!', 'everest-forms' ),
'success' => $success,
'unsuccess' => $unsuccess,
);
} elseif ( count( $unsuccess ) > 0 && count( $success ) > 0 ) {
$response = array(
'message' => esc_html__( 'Only some entries are migrated successfully!!', 'everest-forms' ),
'success' => $success,
'unsuccess' => $unsuccess,
);
}
wp_send_json_success(
$response
);
} catch ( Exception $e ) {
wp_send_json_error(
array(
'message' => $e->getMessage(),
)
);
}
}
/**
* Everest Forms - Embed Form.
*
* @since 2.0.8
*/
public static function embed_form() {
check_ajax_referer( 'everest_forms_embed_form', 'security' );
$args = array(
'post_status' => 'publish',
'post_type' => 'page',
);
$pages = get_pages( $args );
wp_send_json_success( $pages );
}
/**
* Get page edit link
*
* @since 2.0.8
*/
public static function goto_edit_page() {
check_ajax_referer( 'everest_forms_goto_edit_page', 'security' );
$page_id = empty( $_POST['page_id'] ) ? 0 : sanitize_text_field( absint( $_POST['page_id'] ) );
if ( empty( $page_id ) ) {
$url = add_query_arg( 'post_type', 'page', admin_url( 'post-new.php' ) );
$meta = array(
'embed_page' => 0,
'embed_page_title' => ! empty( $_POST['page_title'] ) ? sanitize_text_field( wp_unslash( $_POST['page_title'] ) ) : '',
);
} else {
$url = get_edit_post_link( $page_id, '' );
$meta = array(
'embed_page' => $page_id,
);
}
$page_url = add_query_arg(
array(
'form' => 'everest-forms',
),
esc_url_raw( $url )
);
$meta['form_id'] = ! empty( $_POST['form_id'] ) ? absint( $_POST['form_id'] ) : 0;
EVF_Admin_Embed_Wizard::set_meta( $meta );
wp_send_json_success( $page_url );
}
}
EVF_AJAX::init();