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wp-content/plugins/webp-converter-for-media/src/Conversion/Endpoint/EndpointAbstract.php

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+<?php
+
+namespace WebpConverter\Conversion\Endpoint;
+
+/**
+ * Abstract class for class that supports image conversion method.
+ */
+abstract class EndpointAbstract implements EndpointInterface {
+
+	const ROUTE_NONCE_HEADER = 'X-WP-Nonce';
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function is_valid_request( string $request_nonce ): bool {
+		return (bool) wp_verify_nonce( $request_nonce, 'wp_rest' );
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function get_route_args(): array {
+		return [];
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public static function get_route_url(): string {
+		return get_rest_url(
+			null,
+			sprintf(
+				'%1$s/%2$s',
+				EndpointIntegrator::ROUTE_NAMESPACE,
+				static::get_route_name()
+			)
+		);
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public static function get_route_nonce(): string {
+		return wp_create_nonce( 'wp_rest' );
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function get_route_nonce_header(): string {
+		return self::ROUTE_NONCE_HEADER;
+	}
+}