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wp-content/plugins/litespeed-cache/thirdparty/gravity-forms.cls.php

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+<?php
+/**
+ * The Third Party integration with Gravity Forms.
+ *
+ * @since 4.1.0
+ * @package LiteSpeed
+ * @subpackage LiteSpeed_Cache\Thirdparty
+ */
+
+namespace LiteSpeed\Thirdparty;
+
+defined('WPINC') || exit();
+
+/**
+ * Gravity Forms compatibility hooks for LiteSpeed Cache.
+ */
+class Gravity_Forms {
+
+	/**
+	 * Check if GF is enabled and disable LSCWP on gf-download and gf-signature URI.
+	 *
+	 * Note: Query params are only read to detect special Gravity Forms endpoints.
+	 * Nonce verification is not applicable here as no privileged action is performed.
+	 *
+	 * @since 4.1.0 #900899 #827184
+	 * @return void
+	 */
+	public static function preload() {
+		if (class_exists('GFCommon')) {
+			$gf_download  = isset($_GET['gf-download']) ? sanitize_text_field(wp_unslash($_GET['gf-download'])) : ''; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+			$gf_signature = isset($_GET['gf-signature']) ? sanitize_text_field(wp_unslash($_GET['gf-signature'])) : ''; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+
+			if ('' !== $gf_download || '' !== $gf_signature) {
+				do_action('litespeed_disable_all', 'Stopped for Gravity Form');
+			}
+		}
+	}
+}