first commit

wp/wp-content/plugins/wordpress-seo-premium/src/integrations/admin/plugin-links-integration.php

@@ -0,0 +1,76 @@
+<?php
+
+namespace Yoast\WP\SEO\Premium\Integrations\Admin;
+
+use WPSEO_Addon_Manager;
+use WPSEO_Shortlinker;
+use Yoast\WP\SEO\Conditionals\Admin_Conditional;
+use Yoast\WP\SEO\Integrations\Integration_Interface;
+
+/**
+ * Plugin_Links_Integration class
+ */
+class Plugin_Links_Integration implements Integration_Interface {
+
+	/**
+	 * {@inheritDoc}
+	 */
+	public static function get_conditionals() {
+		return [ Admin_Conditional::class ];
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	public function register_hooks() {
+		\add_filter( 'plugin_action_links_' . \WPSEO_BASENAME, [ $this, 'remove_yoast_seo_action_link' ], 10 );
+		\add_filter( 'network_admin_plugin_action_links_' . \WPSEO_BASENAME, [ $this, 'remove_yoast_seo_action_link' ], 10 );
+
+		\add_filter( 'plugin_action_links_' . \WPSEO_PREMIUM_BASENAME, [ $this, 'add_yoast_seo_premium_action_link' ], 10 );
+		\add_filter( 'network_admin_plugin_action_links_' . \WPSEO_PREMIUM_BASENAME, [ $this, 'add_yoast_seo_premium_action_link' ], 10 );
+	}
+
+	/**
+	 * Removes the upgrade link from Yoast SEO free.
+	 *
+	 * @param string[] $links The action links.
+	 *
+	 * @return string[] The action link with the upgrade link removed.
+	 */
+	public function remove_yoast_seo_action_link( $links ) {
+		$link_to_remove = $this->get_upgrade_link();
+		return \array_filter(
+			$links,
+			static function ( $link ) use ( $link_to_remove ) {
+				return $link !== $link_to_remove;
+			}
+		);
+	}
+
+	/**
+	 * Adds the upgrade link to the premium actions.
+	 *
+	 * @param string[] $links The action links.
+	 *
+	 * @return string[] The action link with the upgrade link added.
+	 */
+	public function add_yoast_seo_premium_action_link( $links ) {
+		$addon_manager = new WPSEO_Addon_Manager();
+
+		if ( ! $addon_manager->has_valid_subscription( WPSEO_Addon_Manager::PREMIUM_SLUG ) ) {
+			\array_unshift( $links, $this->get_upgrade_link() );
+		}
+
+		return $links;
+	}
+
+	/**
+	 * Returns the upgrade link.
+	 *
+	 * @return string The upgrade link.
+	 */
+	protected function get_upgrade_link() {
+        // phpcs:ignore WordPress.WP.I18n.TextDomainMismatch -- Reason: text is originally from Yoast SEO.
+		return '<a style="font-weight: bold;" href="' . \esc_url( WPSEO_Shortlinker::get( 'https://yoa.st/activate-my-yoast' ) ) . '" target="_blank">' . \__( 'Activate your subscription', 'wordpress-seo' ) . '</a>';
+	}
+}

wp/wp-content/plugins/wordpress-seo-premium/src/integrations/admin/prominent-words/indexing-integration.php

@@ -0,0 +1,234 @@
+<?php
+
+namespace Yoast\WP\SEO\Integrations\Admin\Prominent_Words;
+
+use WPSEO_Language_Utils;
+use Yoast\WP\SEO\Actions\Indexing\Indexable_General_Indexation_Action;
+use Yoast\WP\SEO\Actions\Indexing\Indexable_Post_Indexation_Action;
+use Yoast\WP\SEO\Actions\Indexing\Indexable_Post_Type_Archive_Indexation_Action;
+use Yoast\WP\SEO\Actions\Indexing\Indexable_Term_Indexation_Action;
+use Yoast\WP\SEO\Conditionals\Admin_Conditional;
+use Yoast\WP\SEO\Conditionals\Migrations_Conditional;
+use Yoast\WP\SEO\Helpers\Language_Helper;
+use Yoast\WP\SEO\Helpers\Prominent_Words_Helper;
+use Yoast\WP\SEO\Integrations\Integration_Interface;
+use Yoast\WP\SEO\Premium\Actions\Prominent_Words\Content_Action;
+use Yoast\WP\SEO\Routes\Prominent_Words_Route;
+
+/**
+ * Class Indexing_Integration.
+ *
+ * @package Yoast\WP\SEO\Integrations\Admin\Prominent_Words
+ */
+class Indexing_Integration implements Integration_Interface {
+
+	/**
+	 * Number of prominent words to index per indexable
+	 * when a language has function word support.
+	 *
+	 * @var int
+	 */
+	const PER_INDEXABLE_LIMIT = 20;
+
+	/**
+	 * Number of prominent words to index per indexable
+	 * when a language does not have function word support.
+	 *
+	 * @var int
+	 */
+	const PER_INDEXABLE_LIMIT_NO_FUNCTION_WORD_SUPPORT = 30;
+
+	/**
+	 * Holds the content action.
+	 *
+	 * @var Content_Action
+	 */
+	protected $content_indexation_action;
+
+	/**
+	 * The post indexing action.
+	 *
+	 * @var Indexable_Post_Indexation_Action
+	 */
+	protected $post_indexation_action;
+
+	/**
+	 * The term indexing action.
+	 *
+	 * @var Indexable_Term_Indexation_Action
+	 */
+	protected $term_indexation_action;
+
+	/**
+	 * The post type archive indexing action.
+	 *
+	 * @var Indexable_Post_Type_Archive_Indexation_Action
+	 */
+	protected $post_type_archive_indexation_action;
+
+	/**
+	 * Represents the general indexing action.
+	 *
+	 * @var Indexable_General_Indexation_Action
+	 */
+	protected $general_indexation_action;
+
+	/**
+	 * Represents the language helper.
+	 *
+	 * @var Language_Helper
+	 */
+	protected $language_helper;
+
+	/**
+	 * Represents the prominent words helper.
+	 *
+	 * @var Prominent_Words_Helper
+	 */
+	protected $prominent_words_helper;
+
+	/**
+	 * Holds the total number of unindexed objects.
+	 *
+	 * @var int
+	 */
+	protected $total_unindexed;
+
+	/**
+	 * WPSEO_Premium_Prominent_Words_Recalculation constructor.
+	 *
+	 * @param Content_Action                                $content_indexation_action           The content indexing action.
+	 * @param Indexable_Post_Indexation_Action              $post_indexation_action              The post indexing action.
+	 * @param Indexable_Term_Indexation_Action              $term_indexation_action              The term indexing action.
+	 * @param Indexable_General_Indexation_Action           $general_indexation_action           The general indexing action.
+	 * @param Indexable_Post_Type_Archive_Indexation_Action $post_type_archive_indexation_action The post type archive indexing action.
+	 * @param Language_Helper                               $language_helper                     The language helper.
+	 * @param Prominent_Words_Helper                        $prominent_words_helper              The prominent words helper.
+	 */
+	public function __construct(
+		Content_Action $content_indexation_action,
+		Indexable_Post_Indexation_Action $post_indexation_action,
+		Indexable_Term_Indexation_Action $term_indexation_action,
+		Indexable_General_Indexation_Action $general_indexation_action,
+		Indexable_Post_Type_Archive_Indexation_Action $post_type_archive_indexation_action,
+		Language_Helper $language_helper,
+		Prominent_Words_Helper $prominent_words_helper
+	) {
+		$this->content_indexation_action           = $content_indexation_action;
+		$this->post_indexation_action              = $post_indexation_action;
+		$this->term_indexation_action              = $term_indexation_action;
+		$this->general_indexation_action           = $general_indexation_action;
+		$this->post_type_archive_indexation_action = $post_type_archive_indexation_action;
+		$this->language_helper                     = $language_helper;
+		$this->prominent_words_helper              = $prominent_words_helper;
+	}
+
+	/**
+	 * Initializes the integration.
+	 *
+	 * This is the place to register hooks and filters.
+	 *
+	 * @return void
+	 */
+	public function register_hooks() {
+		\add_action( 'admin_enqueue_scripts', [ $this, 'enqueue_scripts' ] );
+
+		\add_filter( 'wpseo_indexing_data', [ $this, 'adapt_indexing_data' ] );
+		\add_filter( 'wpseo_indexing_get_unindexed_count', [ $this, 'get_unindexed_count' ] );
+		\add_filter( 'wpseo_indexing_endpoints', [ $this, 'add_endpoints' ] );
+	}
+
+	/**
+	 * Returns the conditionals based in which this loadable should be active.
+	 *
+	 * @return array
+	 */
+	public static function get_conditionals() {
+		return [
+			Admin_Conditional::class,
+			Migrations_Conditional::class,
+		];
+	}
+
+	/**
+	 * Retrieves the endpoints to call.
+	 *
+	 * @param array $endpoints The endpoints to extend.
+	 *
+	 * @return array The endpoints.
+	 */
+	public function add_endpoints( $endpoints ) {
+		$endpoints['get_content']    = Prominent_Words_Route::FULL_GET_CONTENT_ROUTE;
+		$endpoints['complete_words'] = Prominent_Words_Route::FULL_COMPLETE_ROUTE;
+
+		return $endpoints;
+	}
+
+	/**
+	 * Adapts the indexing data as sent to the JavaScript side of the
+	 * indexing process.
+	 *
+	 * Adds the appropriate prominent words endpoints and other settings.
+	 *
+	 * @param array $data The data to be adapted.
+	 *
+	 * @return array The adapted indexing data.
+	 */
+	public function adapt_indexing_data( $data ) {
+		$site_locale = \get_locale();
+		$language    = WPSEO_Language_Utils::get_language( $site_locale );
+
+		$data['locale']   = $site_locale;
+		$data['language'] = $language;
+
+		$data['morphologySupported'] = $this->language_helper->is_word_form_recognition_active( $language );
+
+		$per_indexable_limit = self::PER_INDEXABLE_LIMIT_NO_FUNCTION_WORD_SUPPORT;
+		if ( $this->language_helper->has_function_word_support( $language ) ) {
+			$per_indexable_limit = self::PER_INDEXABLE_LIMIT;
+		}
+
+		$data['prominentWords'] = [
+			'endpoint'          => Prominent_Words_Route::FULL_SAVE_ROUTE,
+			'perIndexableLimit' => $per_indexable_limit,
+		];
+
+		return $data;
+	}
+
+	/**
+	 * Enqueues the required scripts.
+	 *
+	 * @return void
+	 */
+	public function enqueue_scripts() {
+		if ( ! isset( $_GET['page'] ) || $_GET['page'] !== 'wpseo_tools' || ( $_GET['page'] === 'wpseo_tools' && isset( $_GET['tool'] ) ) ) {
+			return;
+		}
+
+		$is_completed = ( (int) $this->get_unindexed_count( 0 ) === 0 );
+		$this->prominent_words_helper->set_indexing_completed( $is_completed );
+
+		\wp_enqueue_script( 'yoast-premium-prominent-words-indexation' );
+	}
+
+	/**
+	 * Returns the total number of unindexed objects.
+	 *
+	 * @param int $unindexed_count The unindexed count.
+	 *
+	 * @return int The total number of indexables to recalculate.
+	 */
+	public function get_unindexed_count( $unindexed_count ) {
+		// Get the number of indexables that haven't had their prominent words indexed yet.
+		$unindexed_count += $this->content_indexation_action->get_total_unindexed();
+
+		// Take posts and terms into account that do not have indexables yet.
+		$unindexed_count += $this->post_indexation_action->get_total_unindexed();
+		$unindexed_count += $this->term_indexation_action->get_total_unindexed();
+		$unindexed_count += $this->general_indexation_action->get_total_unindexed();
+		$unindexed_count += $this->post_type_archive_indexation_action->get_total_unindexed();
+
+		return $unindexed_count;
+	}
+}

wp/wp-content/plugins/wordpress-seo-premium/src/integrations/admin/prominent-words/metabox-integration.php

@@ -0,0 +1,117 @@
+<?php
+
+namespace Yoast\WP\SEO\Integrations\Admin\Prominent_Words;
+
+use Yoast\WP\SEO\Conditionals\No_Conditionals;
+use Yoast\WP\SEO\Integrations\Integration_Interface;
+use Yoast\WP\SEO\Premium\Actions\Prominent_Words\Save_Action;
+
+/**
+ * Adds a hidden field to the metabox for storing the calculated words and also
+ * handles the value of it after posting.
+ *
+ * @package Yoast\WP\SEO\Integrations\Admin\Prominent_Words
+ */
+class Metabox_Integration implements Integration_Interface {
+
+	use No_Conditionals;
+
+	/**
+	 * Represents the prominent words save action.
+	 *
+	 * @var Save_Action
+	 */
+	protected $save_action;
+
+	/**
+	 * Prominent_Words_Metabox constructor.
+	 *
+	 * @param Save_Action $save_action The prominent words save action.
+	 */
+	public function __construct( Save_Action $save_action ) {
+		$this->save_action = $save_action;
+	}
+
+	/**
+	 * Implements the register_hooks function of the Integration interface.
+	 */
+	public function register_hooks() {
+		\add_filter( 'wpseo_metabox_entries_general', [ $this, 'add_words_for_linking_hidden_field' ] );
+		\add_filter( 'update_post_metadata', [ $this, 'save_prominent_words_for_post' ], 10, 4 );
+
+		\add_filter( 'wpseo_taxonomy_content_fields', [ $this, 'add_words_for_linking_hidden_field' ] );
+		\add_filter( 'edit_term', [ $this, 'save_prominent_words_for_term' ] );
+	}
+
+	/**
+	 * Adds a hidden field for the prominent words to the metabox.
+	 *
+	 * @param array $field_defs The definitions for the input fields.
+	 *
+	 * @return array The definitions for the input fields.
+	 */
+	public function add_words_for_linking_hidden_field( $field_defs ) {
+		if ( \is_array( $field_defs ) ) {
+			$field_defs['words_for_linking'] = [
+				'type'    => 'hidden',
+				'title'   => 'words_for_linking',
+				'label'   => '',
+				'options' => '',
+			];
+		}
+
+		return $field_defs;
+	}
+
+	/**
+	 * Saves the value of the _yoast_wpseo_words_for_linking hidden field to the prominent_words table, not postmeta.
+	 * Added to the 'update_post_metadata' filter.
+	 *
+	 * @param false|null $check      Whether to allow updating metadata for the given type.
+	 * @param int        $object_id  The post id.
+	 * @param string     $meta_key   The key of the metadata.
+	 * @param mixed      $meta_value The value of the metadata.
+	 *
+	 * @return false|null Non-null value if meta data should not be updated.
+	 *                    Null if the metadata should be updated as normal.
+	 */
+	public function save_prominent_words_for_post( $check, $object_id, $meta_key, $meta_value ) {
+		if ( $meta_key !== '_yoast_wpseo_words_for_linking' ) {
+			return $check;
+		}
+
+		// If the save was triggered with an empty meta value, don't update the prominent words.
+		if ( empty( $meta_value ) ) {
+			return false;
+		}
+
+		// 1. Decode from stringified JSON.
+		$words_for_linking = \json_decode( $meta_value, true );
+		// 2. Save prominent words using the existing functionality.
+		$this->save_action->link( 'post', $object_id, $words_for_linking );
+
+		// 3. Return non-null value so we don't save prominent words to the `post_meta` table.
+		return false;
+	}
+
+	/**
+	 * Saves the prominent words for a term.
+	 *
+	 * @param int $term_id The term id to save the words for.
+	 */
+	public function save_prominent_words_for_term( $term_id ) {
+		// phpcs:disable WordPress.Security.NonceVerification.Missing -- The nonce is already validated.
+		if ( ! isset( $_POST['wpseo_words_for_linking'] ) ) {
+			return;
+		}
+
+		$words_for_linking = [];
+		if ( ! empty( $_POST['wpseo_words_for_linking'] ) ) {
+			$prominent_words = \sanitize_text_field( \wp_unslash( $_POST['wpseo_words_for_linking'] ) );
+			// phpcs:enable
+			$words_for_linking = \json_decode( $prominent_words, true );
+		}
+
+		$this->save_action->link( 'term', $term_id, $words_for_linking );
+	}
+}

wp/wp-content/plugins/wordpress-seo-premium/src/integrations/admin/social-templates/social-templates-integration.php

@@ -0,0 +1,193 @@
+<?php
+
+namespace Yoast\WP\SEO\Premium\Integrations\Admin\Social_Templates;
+
+use WP_Taxonomy;
+use WPSEO_Admin_Editor_Specific_Replace_Vars;
+use WPSEO_Admin_Recommended_Replace_Vars;
+use WPSEO_Replacevar_Editor;
+use Yoast\WP\SEO\Premium\Config\Badge_Group_Names;
+use Yoast\WP\SEO\Integrations\Integration_Interface;
+use Yoast\WP\SEO\Premium\Conditionals\Social_Templates_Conditional;
+use Yoast_Form;
+
+/**
+ * Class Social_Templates_Integration.
+ *
+ * Adds the social fields to the meta tabs for post types, taxonomies and archives.
+ */
+class Social_Templates_Integration implements Integration_Interface {
+
+	/**
+	 * Service that can be used to recommend a set of variables for a WPSEO_Replacevar_Editor.
+	 *
+	 * @var WPSEO_Admin_Recommended_Replace_Vars
+	 */
+	private $recommended_replace_vars;
+
+	/**
+	 * Service that can be used to recommend an editor specific set of variables for a WPSEO_Replacevar_Editor.
+	 *
+	 * @var WPSEO_Admin_Editor_Specific_Replace_Vars
+	 */
+	private $editor_specific_replace_vars;
+
+	/**
+	 * Group to which the 'New' badges belong to.
+	 *
+	 * @var string
+	 */
+	private $group;
+
+	/**
+	 * Returns the conditionals based on which this loadable should be active.
+	 *
+	 * @return array The conditionals that must be met to load this.
+	 */
+	public static function get_conditionals() {
+		return [
+			Social_Templates_Conditional::class,
+		];
+	}
+
+	/**
+	 * Social_Templates_Integration constructor.
+	 */
+	public function __construct() {
+		$this->recommended_replace_vars     = new WPSEO_Admin_Recommended_Replace_Vars();
+		$this->editor_specific_replace_vars = new WPSEO_Admin_Editor_Specific_Replace_Vars();
+		$this->group                        = 'global-templates';
+	}
+
+	/**
+	 * Initializes the integration.
+	 */
+	public function register_hooks() {
+		\add_action( 'Yoast\WP\SEO\admin_author_archives_meta', [ $this, 'social_author_archives' ] );
+		\add_action( 'Yoast\WP\SEO\admin_date_archives_meta', [ $this, 'social_date_archives' ] );
+		\add_action( 'Yoast\WP\SEO\admin_post_types_meta', [ $this, 'social_post_type' ], 8, 2 );
+		\add_action( 'Yoast\WP\SEO\admin_post_types_archive', [ $this, 'social_post_types_archive' ], 10, 2 );
+		\add_action( 'Yoast\WP\SEO\admin_taxonomies_meta', [ $this, 'social_taxonomies' ], 10, 2 );
+	}
+
+	/**
+	 * Build a set of social fields for the author archives in the Search Appearance section.
+	 *
+	 * @param Yoast_Form $yform The form builder.
+	 */
+	public function social_author_archives( $yform ) {
+		$identifier            = 'author-wpseo';
+		$page_type_recommended = $this->recommended_replace_vars->determine_for_archive( 'author' );
+		$page_type_specific    = $this->editor_specific_replace_vars->determine_for_archive( 'author' );
+
+		$this->build_social_fields( $yform, $identifier, $page_type_recommended, $page_type_specific );
+	}
+
+	/**
+	 * Build a set of social fields for the date archives in the Search Appearance section.
+	 *
+	 * @param Yoast_Form $yform The form builder.
+	 */
+	public function social_date_archives( $yform ) {
+		$identifier            = 'archive-wpseo';
+		$page_type_recommended = $this->recommended_replace_vars->determine_for_archive( 'date' );
+		$page_type_specific    = $this->editor_specific_replace_vars->determine_for_archive( 'date' );
+
+		$this->build_social_fields( $yform, $identifier, $page_type_recommended, $page_type_specific );
+	}
+
+	/**
+	 * Build a set of social fields for the post types in the Search Appearance section.
+	 *
+	 * @param Yoast_Form $yform          The form builder.
+	 * @param string     $post_type_name The name of the current post_type that gets the social fields added.
+	 */
+	public function social_post_type( $yform, $post_type_name ) {
+		if ( $post_type_name === 'attachment' ) {
+			return;
+		}
+
+		$page_type_recommended = $this->recommended_replace_vars->determine_for_post_type( $post_type_name );
+		$page_type_specific    = $this->editor_specific_replace_vars->determine_for_post_type( $post_type_name );
+
+		$this->build_social_fields( $yform, $post_type_name, $page_type_recommended, $page_type_specific );
+	}
+
+	/**
+	 * Build a set of social fields for the post types archives in the Search Appearance section.
+	 *
+	 * @param Yoast_Form $yform          The form builder.
+	 * @param string     $post_type_name The name of the current post_type that gets the social fields added.
+	 */
+	public function social_post_types_archive( $yform, $post_type_name ) {
+		$identifier            = 'ptarchive-' . $post_type_name;
+		$page_type_recommended = $this->recommended_replace_vars->determine_for_archive( $post_type_name );
+		$page_type_specific    = $this->editor_specific_replace_vars->determine_for_archive( $post_type_name );
+
+		$this->build_social_fields( $yform, $identifier, $page_type_recommended, $page_type_specific );
+	}
+
+	/**
+	 * Build a set of social fields for the taxonomies in the Search Appearance section.
+	 *
+	 * @param Yoast_Form  $yform    The form builder.
+	 * @param WP_Taxonomy $taxonomy The taxonomy that gets the social fields added.
+	 */
+	public function social_taxonomies( $yform, $taxonomy ) {
+		$identifier            = 'tax-' . $taxonomy->name;
+		$page_type_recommended = $this->recommended_replace_vars->determine_for_term( $taxonomy->name );
+		$page_type_specific    = $this->editor_specific_replace_vars->determine_for_term( $taxonomy->name );
+
+		$this->build_social_fields( $yform, $identifier, $page_type_recommended, $page_type_specific );
+	}
+
+	/**
+	 * Build a set of social fields for the Search Appearance section.
+	 *
+	 * @param Yoast_Form $yform                 The form builder.
+	 * @param string     $identifier            A page-wide unique identifier for data storage and unique DOM elements.
+	 * @param string     $page_type_recommended Recommended type of page for a list of replaceable variables.
+	 * @param string     $page_type_specific    Editor specific type of page for a list of replaceable variables.
+	 */
+	protected function build_social_fields( Yoast_Form $yform, $identifier, $page_type_recommended, $page_type_specific ) {
+		$image_url_field_id = 'social-image-url-' . $identifier;
+		$image_id_field_id  = 'social-image-id-' . $identifier;
+		$badge_group_names  = new Badge_Group_Names();
+
+		echo '<div class="yoast-settings-section">';
+
+		$yform->hidden( $image_url_field_id, $image_url_field_id );
+		$yform->hidden( $image_id_field_id, $image_id_field_id );
+		\printf(
+			'<div
+				id="%1$s"
+				data-react-image-portal
+				data-react-image-portal-target-image="%2$s"
+				data-react-image-portal-target-image-id="%3$s"
+				data-react-image-portal-has-new-badge="%4$s"
+			></div>',
+			\esc_attr( 'yoast-social-' . $identifier . '-image-select' ),
+			\esc_attr( $image_url_field_id ),
+			\esc_attr( $image_id_field_id ),
+			\esc_attr( $badge_group_names->is_still_eligible_for_new_badge( $this->group ) )
+		);
+
+		$editor = new WPSEO_Replacevar_Editor(
+			$yform,
+			[
+				'title'                   => 'social-title-' . $identifier,
+				'description'             => 'social-description-' . $identifier,
+				'page_type_recommended'   => $page_type_recommended,
+				'page_type_specific'      => $page_type_specific,
+				'paper_style'             => false,
+				'label_title'             => \__( 'Social title', 'wordpress-seo-premium' ),
+				'label_description'       => \__( 'Social description', 'wordpress-seo-premium' ),
+				'description_placeholder' => \__( 'Modify your social description by editing it right here.', 'wordpress-seo-premium' ),
+				'has_new_badge'           => $badge_group_names->is_still_eligible_for_new_badge( $this->group ),
+			]
+		);
+		$editor->render();
+
+		echo '</div>';
+	}
+}

wp/wp-content/plugins/wordpress-seo-premium/src/integrations/admin/user-profile-integration.php

@@ -0,0 +1,253 @@
+<?php
+
+namespace Yoast\WP\SEO\Premium\Integrations\Admin;
+
+use WP_User;
+use Yoast\WP\SEO\Conditionals\Admin_Conditional;
+use Yoast\WP\SEO\Integrations\Integration_Interface;
+
+/**
+ * Class User_Profile_Integration.
+ *
+ * This class deals with the interface for and the storing of user Schema fields. The output of these fields is done
+ * by this class's sibling frontend integration. Note that the output is done "as is", so all the sanitization happens in
+ * this class.
+ */
+class User_Profile_Integration implements Integration_Interface {
+
+	const NONCE_FIELD_ACTION = 'show_user_profile';
+	const NONCE_FIELD_NAME   = 'wpseo_premium_user_profile_schema_nonce';
+
+	/**
+	 * Holds the schema fields we're adding to the user profile.
+	 *
+	 * @var array
+	 */
+	private $fields;
+
+	/**
+	 * User_Profile_Integration constructor.
+	 */
+	public function __construct() {
+		$this->set_fields();
+	}
+
+	/**
+	 * Initializes the integration.
+	 *
+	 * This is the place to register hooks and filters.
+	 *
+	 * @return void
+	 */
+	public function register_hooks() {
+		\add_action( 'show_user_profile', [ $this, 'user_profile' ], 5 );
+		\add_action( 'edit_user_profile', [ $this, 'user_profile' ], 5 );
+
+		\add_action( 'personal_options_update', [ $this, 'process_user_option_update' ] );
+		\add_action( 'edit_user_profile_update', [ $this, 'process_user_option_update' ] );
+	}
+
+	/**
+	 * Returns the conditionals based in which this loadable should be active.
+	 *
+	 * @return array
+	 */
+	public static function get_conditionals() {
+		return [ Admin_Conditional::class ];
+	}
+
+	/**
+	 * Sets the fields and their labels and descriptions.
+	 */
+	private function set_fields() {
+		$this->fields = [
+			'basicInfo'       => [
+				'label' => \__( 'Basic information', 'wordpress-seo-premium' ),
+				'type'  => 'group',
+			],
+			'honorificPrefix' => [
+				'label'       => \__( 'Honorific prefix', 'wordpress-seo-premium' ),
+				/* translators: %1$s is replaced by `<code>`, %2$s by `</code>`. */
+				'description' => \sprintf( \esc_html__( 'E.g. %1$sDr%2$s, %1$sMs%2$s, %1$sMr%2$s', 'wordpress-seo-premium' ), '<code>', '</code>' ),
+				'type'        => 'string',
+			],
+			'honorificSuffix' => [
+				'label'       => \__( 'Honorific suffix', 'wordpress-seo-premium' ),
+				/* translators: %1$s is replaced by `<code>`, %2$s by `</code>`. */
+				'description' => \sprintf( \esc_html__( 'E.g. %1$sMD%2$s, %1$sPhD%2$s', 'wordpress-seo-premium' ), '<code>', '</code>' ),
+				'type'        => 'string',
+			],
+			'birthDate'       => [
+				'label'       => \__( 'Birth date', 'wordpress-seo-premium' ),
+				/* translators: %1$s is replaced by `<code>`, %2$s by `</code>`. */
+				'description' => \sprintf( \esc_html__( 'Use format: %1$sYYYY-MM-DD%2$s', 'wordpress-seo-premium' ), '<code>', '</code>' ),
+				'type'        => 'date',
+			],
+			'gender'          => [
+				'label'       => \__( 'Gender', 'wordpress-seo-premium' ),
+				/* translators: %1$s is replaced by `<code>`, %2$s by `</code>`. */
+				'description' => \sprintf( \esc_html__( 'E.g. %1$sfemale%2$s, %1$smale%2$s, %1$snon-binary%2$s', 'wordpress-seo-premium' ), '<code>', '</code>' ),
+				'type'        => 'string',
+			],
+			'extraInfo'       => [
+				'label' => \__( 'Extra information', 'wordpress-seo-premium' ),
+				'type'  => 'group',
+			],
+			'award'           => [
+				'label'       => \__( 'Awards', 'wordpress-seo-premium' ),
+				/* translators: %1$s is replaced by `<code>`, %2$s by `</code>`. */
+				'description' => \sprintf( \esc_html__( 'Comma separated, e.g. %1$sMost likely to succeed - 1991, Smartest in class - 1990%2$s', 'wordpress-seo-premium' ), '<code>', '</code>' ),
+				'type'        => 'array',
+			],
+			'knowsAbout'      => [
+				'label'       => \__( 'Expertise in', 'wordpress-seo-premium' ),
+				/* translators: %1$s is replaced by `<code>`, %2$s by `</code>`. */
+				'description' => \sprintf( \esc_html__( 'Comma separated, e.g. %1$sPHP, JavaScript, 90\'s rock music%2$s', 'wordpress-seo-premium' ), '<code>', '</code>' ),
+				'type'        => 'array',
+			],
+			'knowsLanguage'   => [
+				'label'       => \__( 'Language(s) spoken', 'wordpress-seo-premium' ),
+				/* translators: %1$s is replaced by `<code>`, %2$s by `</code>`. */
+				'description' => \sprintf( \esc_html__( 'Comma separated, e.g. %1$sEnglish, French, Dutch%2$s', 'wordpress-seo-premium' ), '<code>', '</code>' ),
+				'type'        => 'array',
+			],
+			'jobInfo'         => [
+				'label' => \__( 'Employer information', 'wordpress-seo-premium' ),
+				'type'  => 'group',
+			],
+			'jobTitle'        => [
+				'label'       => \__( 'Job title', 'wordpress-seo-premium' ),
+				/* translators: %1$s is replaced by `<code>`, %2$s by `</code>`. */
+				'description' => \sprintf( \esc_html__( 'E.g. %1$ssoftware engineer%2$s', 'wordpress-seo-premium' ), '<code>', '</code>' ),
+				'type'        => 'string',
+			],
+			'worksFor'        => [
+				'label'       => \__( 'Employer name', 'wordpress-seo-premium' ),
+				/* translators: %1$s is replaced by `<code>`, %2$s by `</code>`. */
+				'description' => \sprintf( \esc_html__( 'E.g. %1$sAcme inc%2$s', 'wordpress-seo-premium' ), '<code>', '</code>' ),
+				'type'        => 'string',
+			],
+		];
+	}
+
+	/**
+	 * Shows a form to add Schema fields to a user.
+	 *
+	 * @param WP_User $user The current page's user.
+	 *
+	 * @return void
+	 */
+	public function user_profile( $user ) {
+		\wp_nonce_field( self::NONCE_FIELD_ACTION, self::NONCE_FIELD_NAME );
+
+		echo '<h2 id="yoast-seo-schema">', \esc_html__( 'Yoast SEO Schema enhancements', 'wordpress-seo-premium' ), '</h2>';
+		echo '<p>', \esc_html__( 'The info you add below is added to the data Yoast SEO outputs in its schema.org output, for instance when you\'re the author of a page. Please only add the info you feel good sharing publicly.', 'wordpress-seo-premium' ), '</p>';
+
+		$user_schema = \get_user_meta( $user->ID, 'wpseo_user_schema', true );
+
+		echo '<div class="yoast yoast-settings">';
+		foreach ( $this->fields as $key => $field ) {
+			if ( $field['type'] === 'group' ) {
+				echo '<h2>', \esc_html( $field['label'] ), '</h2>';
+				continue;
+			}
+			// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- False positive, $key is set in the code above, not by a user.
+			echo '<label for="wpseo_user_schema_', $key, '">', \esc_html( $field['label'] ), '</label>';
+			$val = '';
+			if ( isset( $user_schema[ $key ] ) ) {
+				$val = $user_schema[ $key ];
+			}
+			if ( $field['type'] === 'array' && \is_array( $val ) ) {
+				$val = \implode( ', ', $val );
+			}
+			// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- False positive, $key is set in the code above, not by a user.
+			echo '<input class="yoast-settings__text regular-text" type="text" id="wpseo_user_schema_', $key, '" name="wpseo_user_schema[', $key, ']" value="', \esc_attr( $val ), '"/>';
+			// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- False positive, $field['description'] is set in the code above, not by a user.
+			echo '<p>', $field['description'], '</p>';
+		}
+		echo '</div>';
+	}
+
+	/**
+	 * Updates the user metas that (might) have been set on the user profile page.
+	 *
+	 * @param int $user_id User ID of the updated user.
+	 */
+	public function process_user_option_update( $user_id ) {
+		$nonce_value = \filter_input( \INPUT_POST, self::NONCE_FIELD_NAME, \FILTER_SANITIZE_STRING );
+		if ( empty( $nonce_value ) ) {
+			return;
+		}
+
+		\check_admin_referer( self::NONCE_FIELD_ACTION, self::NONCE_FIELD_NAME );
+
+		\update_user_meta( $user_id, 'wpseo_user_schema', $this->get_posted_user_fields() );
+	}
+
+	/**
+	 * Builds the arguments for filter_var_array which makes sure we only get the fields that we've defined above.
+	 *
+	 * @return array Filter arguments.
+	 */
+	private function build_filter_args() {
+		$args = [];
+		foreach ( $this->fields as $key => $field ) {
+			if ( $field['type'] === 'group' ) {
+				continue;
+			}
+			$args[ $key ] = \FILTER_SANITIZE_STRING;
+		}
+
+		return $args;
+	}
+
+	/**
+	 * Gets the posted user fields and sanitizes them.
+	 *
+	 * As we output these values straight from the database both on frontend and backend, this sanitization is quite important.
+	 *
+	 * @return array The posted user fields, restricted to allowed fields.
+	 */
+	private function get_posted_user_fields() {
+		$args        = [
+			'wpseo_user_schema' => [
+				'filter' => \FILTER_SANITIZE_STRING,
+				'flags'  => \FILTER_FORCE_ARRAY,
+			],
+		];
+		$user_schema = \filter_input_array( \INPUT_POST, $args )['wpseo_user_schema'];
+		$user_schema = \filter_var_array( $user_schema, $this->build_filter_args(), false );
+
+		foreach ( $this->fields as $key => $object ) {
+			switch ( $object['type'] ) {
+				case 'array':
+					$user_schema[ $key ] = \explode( ',', $user_schema[ $key ] );
+					// Trim each item in the comma separated array.
+					foreach ( $user_schema[ $key ] as $index => $item ) {
+						$user_schema[ $key ][ $index ] = \trim( $item );
+					}
+					// Remove empty items.
+					$user_schema[ $key ] = \array_filter( $user_schema[ $key ] );
+
+					if ( $user_schema[ $key ] === [] || $user_schema[ $key ][0] === '' ) {
+						unset( $user_schema[ $key ] );
+					}
+					break;
+				case 'date':
+					$date = \explode( '-', $user_schema[ $key ] );
+					if ( \count( $date ) !== 3 || ! \checkdate( (int) $date[1], (int) $date[2], (int) $date[0] ) ) {
+						unset( $user_schema[ $key ] );
+					}
+					break;
+				default:
+					if ( empty( $user_schema[ $key ] ) ) {
+						unset( $user_schema[ $key ] );
+					}
+					// Nothing further to be done for strings.
+					break;
+			}
+		}
+
+		return $user_schema;
+	}
+}