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✏️ Editing: helper-functions.php Writable

<?php
/**
 * Kadence Blocks Helper Functions
 *
 * @since   1.8.0
 * @package Kadence Blocks
 */

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

use function KadenceWP\KadenceBlocks\StellarWP\Uplink\get_authorization_token;
use function KadenceWP\KadenceBlocks\StellarWP\Uplink\get_license_domain;
use function KadenceWP\KadenceBlocks\StellarWP\Uplink\get_license_key;
use function KadenceWP\KadenceBlocks\StellarWP\Uplink\get_resource;
use function KadenceWP\KadenceBlocks\StellarWP\Uplink\is_authorized;
use function KadenceWP\KadenceBlocks\StellarWP\Uplink\validate_license;

/**
 * Check if we are in AMP Mode.
 */
function kadence_blocks_is_not_amp() {
	$not_amp = true;
	if ( function_exists( 'is_amp_endpoint' ) && is_amp_endpoint() ) {
		$not_amp = false;
	}
	return $not_amp;
}

/**
 * Get the asset file produced by wp scripts.
 *
 * @param string $filepath the file path.
 * @return array
 */
function kadence_blocks_get_asset_file( $filepath ) {
	$asset_path = KADENCE_BLOCKS_PATH . $filepath . '.asset.php';
	return file_exists( $asset_path )
		? include $asset_path
		: [
			'dependencies' => [ 'lodash', 'react', 'react-dom', 'wp-block-editor', 'wp-blocks', 'wp-data', 'wp-element', 'wp-i18n', 'wp-polyfill', 'wp-primitives', 'wp-api' ],
			'version'      => KADENCE_BLOCKS_VERSION,
		];
}

/**
 * Check if we are in a rest api call.
 */
function kadence_blocks_is_rest() {
	$prefix = rest_get_url_prefix();
	if ( ( defined( 'REST_REQUEST' ) && REST_REQUEST ) || ( isset( $_GET['rest_route'] ) && strpos( $_GET['rest_route'], '/', 0 ) === 0 ) ) {
		return true;
	}
	// (#3).
	global $wp_rewrite;
	if ( $wp_rewrite === null ) {
		$wp_rewrite = new WP_Rewrite();
	}
	// (#4).
	$rest_url    = wp_parse_url( trailingslashit( rest_url() ) );
	$current_url = wp_parse_url( add_query_arg( [] ) );

if ( isset( $current_url['path'] ) && isset( $rest_url['path'] ) ) {
		return strpos( $current_url['path'], $rest_url['path'], 0 ) === 0;
	}
	return false;
}

/**
 * Hex to RGBA
 *
 * @param string $hex string hex code.
 * @param number $alpha alpha number.
 */
function kadence_blocks_hex2rgba( $hex, $alpha ) {
	if ( empty( $hex ) ) {
		return '';
	}
	if ( 'transparent' === $hex ) {
		return $hex;
	}
	$hex = str_replace( '#', '', $hex );
	if ( strlen( $hex ) == 3 ) {
		$r = hexdec( substr( $hex, 0, 1 ) . substr( $hex, 0, 1 ) );
		$g = hexdec( substr( $hex, 1, 1 ) . substr( $hex, 1, 1 ) );
		$b = hexdec( substr( $hex, 2, 1 ) . substr( $hex, 2, 1 ) );
	} else {
		$r = hexdec( substr( $hex, 0, 2 ) );
		$g = hexdec( substr( $hex, 2, 2 ) );
		$b = hexdec( substr( $hex, 4, 2 ) );
	}
	return 'rgba(' . $r . ', ' . $g . ', ' . $b . ', ' . $alpha . ')';
}

/**
 * Check to see if variable contains a number including 0.
 *
 * @access public
 *
 * @param  string $value - the css property.
 * @return boolean
 */
function kadence_blocks_is_number( &$value ) {
	return isset( $value ) && is_numeric( $value );
}

/**
 * Adds Animate on Scroll attributes to a wrapper args array, if animation attributes are present
 *
 * @param array $attributes The attributes.
 * @param array $wrapper_args The args array to apply aos data to.
 */
function kadence_apply_aos_wrapper_args( $attributes, &$wrapper_args ) {
	if ( isset( $attributes['kadenceAnimation'] ) && $attributes['kadenceAnimation'] ) {
		$wrapper_args['data-aos'] = $attributes['kadenceAnimation'];
		if ( isset( $attributes['kadenceAOSOptions'] ) && $attributes['kadenceAOSOptions'] && isset( $attributes['kadenceAOSOptions'][0] ) ) {
			$kadence_aos_options = $attributes['kadenceAOSOptions'][0];

if ( isset( $kadence_aos_options['offset'] ) && $kadence_aos_options['offset'] ) {
				$wrapper_args['data-aos-offset'] = $kadence_aos_options['offset'];
			}
			if ( isset( $kadence_aos_options['duration'] ) && $kadence_aos_options['duration'] ) {
				$wrapper_args['data-aos-duration'] = $kadence_aos_options['duration'];
			}
			if ( isset( $kadence_aos_options['easing'] ) && $kadence_aos_options['easing'] ) {
				$wrapper_args['data-aos-easing'] = $kadence_aos_options['easing'];
			}
			if ( isset( $kadence_aos_options['delay'] ) && $kadence_aos_options['delay'] ) {
				$wrapper_args['data-aos-delay'] = $kadence_aos_options['delay'];
			}
			if ( isset( $kadence_aos_options['once'] ) && '' !== $kadence_aos_options['once'] ) {
				$wrapper_args['data-aos-once'] = $kadence_aos_options['once'];
			}
		}
	}

return $wrapper_args;
}

/**
 * Clone of WooCommerce wc_clean function.
 *
 * @param $var
 *
 * @return array|mixed
 */
function kadence_blocks_wc_clean( $var ) {
	if ( is_array( $var ) ) {
		return array_map( 'kadence_blocks_wc_clean', $var );
	} else {
		return is_scalar( $var ) ? sanitize_text_field( $var ) : $var;
	}
}
/**
 * Get the current license key for the plugin.
 */
function kadence_blocks_get_current_license_key() {
	$blocks_pro_key = class_exists( 'Kadence_Blocks_Pro' ) ? get_license_key( 'kadence-blocks-pro' ) : '';
	if ( ! empty( $blocks_pro_key ) ) {
		return $blocks_pro_key;
	}
	$creative_kit_key = class_exists( 'KadenceWP\CreativeKit\Core' ) ? get_license_key( 'kadence-creative-kit' ) : '';
	if ( ! empty( $creative_kit_key ) ) {
		return $creative_kit_key;
	}
	$legacy_key = get_license_key( 'kadence-blocks' );
	if ( ! empty( $legacy_key ) ) {
		return $legacy_key;
	}
	if ( function_exists( 'lw_harbor_get_unified_license_key' ) ) {
		$unified_key = lw_harbor_get_unified_license_key();
		if ( ! empty( $unified_key ) ) {
			return $unified_key;
		}
	}
	return '';
}

/**
 * Get a license key that is currently authorized for Kadence access.
 *
 * Unlike {@see kadence_blocks_get_current_license_key()} which returns whatever
 * is stored, this filters to a key that has actually been validated and is
 * known to grant access. Use this when shipping the key to a remote server
 * (editor assets, pattern-library REST controller, AI prophecy token), so
 * stale/superseded legacy keys don't take precedence over an active unified
 * key, and unified keys without the 'kadence' entitlement don't surface as
 * "invalid license" errors downstream.
 *
 * Returns an empty string if no slot is currently authorized.
 *
 * @since 3.7.5
 */
function kadence_blocks_get_authorized_license_key(): string {
	$candidates = [];
	if ( class_exists( 'Kadence_Blocks_Pro' ) ) {
		$key = get_license_key( 'kadence-blocks-pro' );
		if ( ! empty( $key ) ) {
			$candidates[] = [ 'key' => $key, 'slug' => 'kadence-blocks-pro' ];
		}
	}
	if ( class_exists( 'KadenceWP\\CreativeKit\\Core' ) ) {
		$key = get_license_key( 'kadence-creative-kit' );
		if ( ! empty( $key ) ) {
			$candidates[] = [ 'key' => $key, 'slug' => 'kadence-creative-kit' ];
		}
	}
	$blocks_key = get_license_key( 'kadence-blocks' );
	if ( ! empty( $blocks_key ) ) {
		$candidates[] = [ 'key' => $blocks_key, 'slug' => 'kadence-blocks' ];
	}

foreach ( $candidates as $candidate ) {
		$token = get_authorization_token( $candidate['slug'] );
		if ( is_authorized( $candidate['key'], $candidate['slug'], $token ?? '', get_license_domain() ) ) {
			return $candidate['key'];
		}
		// Legacy keys (e.g. "ktw...") are activated by direct license-key
		// validation and never obtain a V3 authorization token, so is_authorized()
		// above returns false for them. Fall back to the legacy validation flow so
		// a valid legacy key still ships to the pattern/AI servers. A revoked or
		// expired legacy key still fails here, preserving the original intent of
		// not handing a stale key to remotes.
		if ( kadence_blocks_is_legacy_key_valid( $candidate['slug'], $candidate['key'] ) ) {
			return $candidate['key'];
		}
	}

if (
		function_exists( 'lw_harbor_get_unified_license_key' )
		&& function_exists( 'lw_harbor_is_product_license_active' )
		&& lw_harbor_is_product_license_active( 'kadence' )
	) {
		$unified_key = lw_harbor_get_unified_license_key();
		if ( ! empty( $unified_key ) ) {
			return $unified_key;
		}
	}

return '';
}

/**
 * Whether a license key is valid via the legacy (Uplink V2) validation flow.
 *
 * Legacy keys (e.g. "ktw...") are validated by checking the key directly against
 * the licensing server rather than via the V3 token-authorization handshake, so
 * {@see is_authorized()} returns false for them even when the key is good. This
 * mirrors how kadence-blocks-pro validates its own legacy license. Uplink's own
 * persisted license status is the source of truth for a positive result (it
 * revalidates on its own schedule, so a revoked key is not kept "valid"); only
 * the negative result is short-cached in a transient to avoid re-hitting the
 * licensing server on every editor/REST load.
 *
 * @since 3.7.6
 *
 * @param string $slug The Uplink resource slug.
 * @param string $key  The license key to validate.
 *
 * @return bool
 */
function kadence_blocks_is_legacy_key_valid( string $slug, string $key ): bool {
	if ( empty( $slug ) || empty( $key ) ) {
		return false;
	}

$resource = get_resource( $slug );

// Authoritative positive signal: trust Uplink's persisted, self-maintained
	// status when it already says the key is valid. Uplink revalidates and
	// updates this status on its own schedule, so we avoid the false positives
	// that a week-long positive transient could ship for a revoked key.
	if ( $resource && $resource->get_license_object()->is_valid() ) {
		return true;
	}

// No stored "valid" status yet (never validated, invalid, or revoked).
	// Short-cache the negative so we don't re-POST on every load, then validate;
	// a successful validate_license() persists the status, so the fast path
	// above answers subsequent requests without another network call.
	$transient = 'kadence_blocks_legacy_key_invalid_' . md5( $slug . '_' . $key );
	if ( 'invalid' === get_transient( $transient ) ) {
		return false;
	}

$validation = validate_license( $slug, $key );
	$is_valid   = $validation && method_exists( $validation, 'is_valid' ) && $validation->is_valid();

if ( ! $is_valid ) {
		set_transient( $transient, 'invalid', HOUR_IN_SECONDS );
	}

return $is_valid;
}

/**
 * Get the current license key for the plugin.
 */
function kadence_blocks_get_current_product_slug() {
	$blocks_pro_key = class_exists( 'Kadence_Blocks_Pro' ) ? get_license_key( 'kadence-blocks-pro' ) : '';
	if ( ! empty( $blocks_pro_key ) ) {
		return 'kadence-blocks-pro';
	}
	$creative_kit_key = class_exists( 'KadenceWP\CreativeKit\Core' ) ? get_license_key( 'kadence-creative-kit' ) : '';
	if ( ! empty( $creative_kit_key ) ) {
		return 'kadence-creative-kit';
	}
	return 'kadence-blocks';
}

/**
 * Get the current license key for the plugin.
 */
function kadence_blocks_get_current_license_email() {
	if ( ! empty( get_license_key( 'kadence-blocks-pro' ) ) ) {
		return '';
	} else {
		$license_data = kadence_blocks_get_deprecated_pro_license_data();
		if ( $license_data && ! empty( $license_data['api_email'] ) ) {
			return $license_data['api_email'];
		}
	}

return '';
}

/**
 * Get the current environment.
 */
function kadence_blocks_get_current_env() {
	if ( defined( 'STELLARWP_UPLINK_API_BASE_URL' ) ) {
		switch ( STELLARWP_UPLINK_API_BASE_URL ) {
			case 'https://licensing-dev.stellarwp.com':
				return 'dev';
			case 'https://licensing-staging.stellarwp.com':
				return 'staging';

}
	}
	return '';
}

/**
 * Get the current license key for the plugin.
 *
 * @return array{key: string, email: string, product: string}
 */
function kadence_blocks_get_current_license_data(): array {
	static $cache;

if ( is_array( $cache ) ) {
		return $cache;
	}

$license_data = [
		'key'     => kadence_blocks_get_authorized_license_key(),
		'email'   => kadence_blocks_get_current_license_email(),
		'product' => kadence_blocks_get_current_product_slug(),
		'env'     => kadence_blocks_get_current_env(),
	];

return $cache = $license_data;
}

/**
 * Whether the current site has an authorized Kadence license.
 *
 * Checks the legacy StellarWP Uplink license first, then falls back to
 * Harbor's unified license as the final check.
 *
 * @since 3.7.0
 *
 * @return bool
 */
function kadence_blocks_is_license_authorized(): bool {
	if ( kadence_blocks_is_legacy_license_authorized() ) {
		return true;
	}

return lw_harbor_is_product_license_active( 'kadence' );
}

/**
 * Check if a legacy (Uplink) Kadence license is authorized.
 *
 * AI features are not currently supported under Harbor licensing, so this
 * function gates AI-specific UI and functionality. Harbor-only customers and
 * customers with no license will return false.
 *
 * @since 3.7.0
 *
 * @return bool
 */
function kadence_blocks_is_legacy_license_authorized(): bool {
	static $cache = null;

if ( $cache !== null ) {
		return $cache;
	}

$license_key = kadence_blocks_get_current_license_key();

if ( empty( $license_key ) ) {
		$cache = false;
		return $cache;
	}

$slug  = kadence_blocks_get_current_product_slug();
	$token = get_authorization_token( $slug );
	$cache = is_authorized( $license_key, $slug, $token ?? '', get_license_domain() );

return $cache;
}

/**
 * Check if ai is enabled.
 *
 * @since 3.7.0 Added the {@see 'kadence_blocks_ai_disabled'} filter.
 */
function kadence_blocks_is_ai_disabled() {
	if ( defined( 'KADENCE_BLOCKS_AI_DISABLED' ) && KADENCE_BLOCKS_AI_DISABLED ) {
		return true;
	}

/**
	 * Filters whether Kadence AI is disabled.
	 *
	 * @since 3.7.0
	 *
	 * @param bool $disabled Whether AI is disabled.
	 */
	return (bool) apply_filters( 'kadence_blocks_ai_disabled', false );
}

/**
 * Get the message shown when Kadence AI is disabled.
 *
 * Applies the `kadence_blocks_ai_disabled_message` filter so hosting
 * environments (e.g. Harbor) can surface a context-specific reason.
 *
 * @since 3.7.0
 *
 * @return string
 */
function kadence_blocks_get_ai_disabled_message(): string {
	/**
	 * Filters the message shown when Kadence AI is disabled.
	 *
	 * @since 3.7.0
	 *
	 * @param string $message The default disabled message.
	 */
	return apply_filters(
		'kadence_blocks_ai_disabled_message',
		__( 'Kadence AI is disabled by site admin.', 'kadence-blocks' )
	);
}

/**
 * Check if network activation is enabled.
 */
function kadence_blocks_is_network_authorize_enabled() {
	if ( ! is_multisite() ) {
		return false;
	}
	$network_enabled = ! apply_filters( 'kadence_activation_individual_multisites', true );
	if ( ! $network_enabled && defined( 'KADENCE_ACTIVATION_NETWORK_ENABLED' ) && KADENCE_ACTIVATION_NETWORK_ENABLED ) {
		$network_enabled = true;
	}
	return $network_enabled;
}
/**
 * Get the license information.
 *
 * @return array
 */
function kadence_blocks_get_deprecated_pro_license_data() {
	$data                   = false;
	$current_theme          = wp_get_theme();
	$current_theme_name     = $current_theme->get( 'Name' );
	$current_theme_template = $current_theme->get( 'Template' );
	// Check for a classic theme license.
	if ( 'Pinnacle Premium' == $current_theme_name || 'pinnacle_premium' == $current_theme_template || 'Ascend - Premium' == $current_theme_name || 'ascend_premium' == $current_theme_template || 'Virtue - Premium' == $current_theme_name || 'virtue_premium' == $current_theme_template ) {
		$pro_data = get_option( 'kt_api_manager' );
		if ( $pro_data ) {
			$data['ithemes']  = '';
			$data['username'] = '';
			if ( 'Pinnacle Premium' == $current_theme_name || 'pinnacle_premium' == $current_theme_template ) {
				$data['product_id'] = 'pinnacle_premium';
			} elseif ( 'Ascend - Premium' == $current_theme_name || 'ascend_premium' == $current_theme_template ) {
				$data['product_id'] = 'ascend_premium';
			} elseif ( 'Virtue - Premium' == $current_theme_name || 'virtue_premium' == $current_theme_template ) {
				$data['product_id'] = 'virtue_premium';
			}
			$data['api_key']   = $pro_data['kt_api_key'];
			$data['api_email'] = $pro_data['activation_email'];
		}
	} elseif ( is_multisite() && kadence_blocks_is_network_authorize_enabled() ) {
			$data = get_site_option( 'kt_api_manager_kadence_gutenberg_pro_data' );
	} else {
		$data = get_option( 'kt_api_manager_kadence_gutenberg_pro_data' );
	}
	return $data;
}

✏️ Editing: helper-functions.php Writable

<?php
/**
 * Kadence Blocks Helper Functions
 *
 * @since   1.8.0
 * @package Kadence Blocks
 */

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( isset( $current_url['path'] ) && isset( $rest_url['path'] ) ) {
		return strpos( $current_url['path'], $rest_url['path'], 0 ) === 0;
	}
	return false;
}

return $wrapper_args;
}

return '';
}

$resource = get_resource( $slug );

$validation = validate_license( $slug, $key );
	$is_valid   = $validation && method_exists( $validation, 'is_valid' ) && $validation->is_valid();

if ( ! $is_valid ) {
		set_transient( $transient, 'invalid', HOUR_IN_SECONDS );
	}

return $is_valid;
}

return '';
}

}
	}
	return '';
}

/**
 * Get the current license key for the plugin.
 *
 * @return array{key: string, email: string, product: string}
 */
function kadence_blocks_get_current_license_data(): array {
	static $cache;

if ( is_array( $cache ) ) {
		return $cache;
	}

return $cache = $license_data;
}

return lw_harbor_is_product_license_active( 'kadence' );
}

if ( $cache !== null ) {
		return $cache;
	}

$license_key = kadence_blocks_get_current_license_key();

if ( empty( $license_key ) ) {
		$cache = false;
		return $cache;
	}

$slug  = kadence_blocks_get_current_product_slug();
	$token = get_authorization_token( $slug );
	$cache = is_authorized( $license_key, $slug, $token ?? '', get_license_domain() );

return $cache;
}

/**
	 * Filters whether Kadence AI is disabled.
	 *
	 * @since 3.7.0
	 *
	 * @param bool $disabled Whether AI is disabled.
	 */
	return (bool) apply_filters( 'kadence_blocks_ai_disabled', false );
}

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