Merged in feature/MAW-855-import-code-into-aws (pull request #2)

code import from pantheon

* code import from pantheon

wp/wp-content/plugins/wordpress-seo-premium/src/helpers/current-page-helper.php

@@ -0,0 +1,108 @@
+<?php
+
+namespace Yoast\WP\SEO\Premium\Helpers;
+
+/**
+ * Class Current_Page_Helper.
+ */
+class Current_Page_Helper {
+
+	/**
+	 * Determine whether the current page is the homepage and shows posts.
+	 *
+	 * @return bool
+	 */
+	public function is_home_posts_page() {
+		return ( \is_home() && \get_option( 'show_on_front' ) !== 'page' );
+	}
+
+	/**
+	 * Determine whether the current page is a static homepage.
+	 *
+	 * @return bool
+	 */
+	public function is_home_static_page() {
+		return ( \is_front_page() && \get_option( 'show_on_front' ) === 'page' && \is_page( \get_option( 'page_on_front' ) ) );
+	}
+
+	/**
+	 * Determine whether this is the posts page, regardless of whether it's the frontpage or not.
+	 *
+	 * @return bool
+	 */
+	public function is_posts_page() {
+		return ( \is_home() && ! \is_front_page() );
+	}
+
+	/**
+	 * Retrieves the current post id.
+	 * Returns 0 if no post id is found.
+	 *
+	 * @return int The post id.
+	 */
+	public function get_current_post_id() {
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended,WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Reason: We are not processing form information, We are casting to an integer.
+		if ( isset( $_GET['post'] ) && \is_string( $_GET['post'] ) && (int) \wp_unslash( $_GET['post'] ) > 0 ) {
+			// phpcs:ignore WordPress.Security.NonceVerification.Recommended,WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Reason: We are not processing form information, We are casting to an integer, also this is a helper function.
+			return (int) \wp_unslash( $_GET['post'] );
+		}
+		return 0;
+	}
+
+	/**
+	 * Retrieves the current post type.
+	 *
+	 * @return string The post type.
+	 */
+	public function get_current_post_type() {
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reason: We are not processing form information.
+		if ( isset( $_GET['post_type'] ) && \is_string( $_GET['post_type'] ) ) {
+			// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reason: We are not processing form information.
+			return \sanitize_text_field( \wp_unslash( $_GET['post_type'] ) );
+		}
+
+		// phpcs:ignore WordPress.Security.NonceVerification.Missing -- Reason: should be done outside the helper function.
+		if ( isset( $_POST['post_type'] ) && \is_string( $_POST['post_type'] ) ) {
+			// phpcs:ignore WordPress.Security.NonceVerification.Missing -- Reason: should be done outside the helper function.
+			return \sanitize_text_field( \wp_unslash( $_POST['post_type'] ) );
+		}
+
+		$post_id = $this->get_current_post_id();
+
+		if ( $post_id ) {
+			return \get_post_type( $post_id );
+		}
+
+		return 'post';
+	}
+
+	/**
+	 * Retrieves the current taxonomy.
+	 *
+	 * @return string The taxonomy.
+	 */
+	public function get_current_taxonomy() {
+		// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.MissingUnslash -- doing a strict in_array check should be sufficient.
+		if ( ! isset( $_SERVER['REQUEST_METHOD'] ) || ! \in_array( $_SERVER['REQUEST_METHOD'], [ 'GET', 'POST' ], true ) ) {
+			return '';
+		}
+
+		// phpcs:ignore WordPress.Security.NonceVerification -- Reason: We are not processing form information.
+		if ( $_SERVER['REQUEST_METHOD'] === 'POST' ) {
+			// phpcs:ignore WordPress.Security.NonceVerification.Missing -- Reason: should be done outside the helper function.
+			if ( isset( $_POST['taxonomy'] ) && \is_string( $_POST['taxonomy'] ) ) {
+				// phpcs:ignore WordPress.Security.NonceVerification.Missing -- Reason: should be done outside the helper function.
+				return \sanitize_text_field( \wp_unslash( $_POST['taxonomy'] ) );
+			}
+			return '';
+		}
+
+		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reason: We are not processing form information.
+		if ( isset( $_GET['taxonomy'] ) && \is_string( $_GET['taxonomy'] ) ) {
+			// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reason: We are not processing form information.
+			return \sanitize_text_field( \wp_unslash( $_GET['taxonomy'] ) );
+		}
+
+		return '';
+	}
+}