<h2>File Contents: /home/planet5/www/yogitonics.com/wp-content/plugins/jetpack/modules/copy_of_subscriptions.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/www/yogitonics.com/wp-content/plugins/jetpack/modules/copy_of_subscriptions.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName)
/**
 * Module Name: Newsletter
 * Module Description: Grow your subscriber list and deliver your content directly to their email inbox.
 * Sort Order: 9
 * Recommendation Order: 8
 * First Introduced: 1.2
 * Requires Connection: Yes
 * Requires User Connection: Yes
 * Auto Activate: Yes
 * Module Tags: Social
 * Feature: Engagement
 * Additional Search Queries: subscriptions, subscription, email, follow, followers, subscribers, signup, newsletter, creator
 */

// phpcs:disable Universal.Files.SeparateFunctionsFromOO.Mixed -- TODO: Move classes to appropriately-named class files.

use Automattic\Jetpack\Admin_UI\Admin_Menu;
use Automattic\Jetpack\Connection\Manager as Connection_Manager;
use Automattic\Jetpack\Connection\XMLRPC_Async_Call;
use Automattic\Jetpack\Newsletter\Settings as Newsletter_Settings;
use Automattic\Jetpack\Redirect;
use Automattic\Jetpack\Status;
use Automattic\Jetpack\Status\Host;

if ( ! defined( &#039;ABSPATH&#039; ) ) {
	exit( 0 );
}

add_action( &#039;jetpack_modules_loaded&#039;, &#039;jetpack_subscriptions_load&#039; );

// Loads the User Content Link Redirection feature.
require_once __DIR__ . &#039;/subscriptions/jetpack-user-content-link-redirection.php&#039;;

/**
 * Loads the Subscriptions module.
 */
function jetpack_subscriptions_load() {
	Jetpack::enable_module_configurable( __FILE__ );
}

/**
 * Cherry picks keys from `$_SERVER` array.
 *
 * @since 6.0.0
 *
 * @return array An array of server data.
 */
function jetpack_subscriptions_cherry_pick_server_data() {
	$data = array();

	foreach ( $_SERVER as $key =&gt; $value ) {
		if ( ! is_string( $value ) || str_starts_with( $key, &#039;HTTP_COOKIE&#039; ) ) {
			continue;
		}

		if ( str_starts_with( $key, &#039;HTTP_&#039; ) || in_array( $key, array( &#039;REMOTE_ADDR&#039;, &#039;REQUEST_URI&#039;, &#039;DOCUMENT_URI&#039; ), true ) ) {
			$data[ $key ] = $value;
		}
	}

	return $data;
}

/**
 * Main class file for the Subscriptions module.
 *
 * @phan-constructor-used-for-side-effects
 */
class Jetpack_Subscriptions {
	/**
	 * Whether Jetpack has been instantiated or not.
	 *
	 * @var bool
	 */
	public $jetpack = false;

	/**
	 * Hash of the siteurl option.
	 *
	 * @var string
	 */
	public static $hash;

	/**
	 * Singleton
	 *
	 * @static
	 */
	public static function init() {
		static $instance = false;

		if ( ! $instance ) {
			$instance = new Jetpack_Subscriptions();
		}

		return $instance;
	}

	/**
	 * Jetpack_Subscriptions constructor.
	 */
	public function __construct() {
		$this-&gt;jetpack = Jetpack::init();

		// Don&#039;t use COOKIEHASH as it could be shared across installs &amp;&amp; is non-unique in multisite.
		// @see: https://twitter.com/nacin/status/378246957451333632 .
		self::$hash = md5( get_option( &#039;siteurl&#039; ) );

		add_filter( &#039;jetpack_xmlrpc_methods&#039;, array( $this, &#039;xmlrpc_methods&#039; ) );

		// @todo remove sync from subscriptions and move elsewhere...

		// Add Configuration Page.
		add_action( &#039;admin_init&#039;, array( $this, &#039;configure&#039; ) );

		// Catch subscription widget submits.
		if ( isset( $_REQUEST[&#039;jetpack_subscriptions_widget&#039;] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Nonce checked in widget_submit() for logged in users.
			add_action( &#039;template_redirect&#039;, array( $this, &#039;widget_submit&#039; ) );
		}

		// Set up the comment subscription checkboxes.
		add_filter( &#039;comment_form_submit_field&#039;, array( $this, &#039;comment_subscribe_init&#039; ), 10, 2 );

		// Catch comment posts and check for subscriptions.
		add_action( &#039;comment_post&#039;, array( $this, &#039;comment_subscribe_submit&#039; ), 50, 2 );

		// Adds post meta checkbox in the post submit metabox.
		add_action( &#039;post_submitbox_misc_actions&#039;, array( $this, &#039;subscription_post_page_metabox&#039; ) );

		add_action( &#039;transition_post_status&#039;, array( $this, &#039;maybe_send_subscription_email&#039; ), 10, 3 );

		add_filter( &#039;jetpack_published_post_flags&#039;, array( $this, &#039;set_post_flags&#039; ), 10, 2 );

		add_filter( &#039;post_updated_messages&#039;, array( $this, &#039;update_published_message&#039; ), 18, 1 );

		// Set &quot;social_notifications_subscribe&quot; option during the first-time activation.
		add_action( &#039;jetpack_activate_module_subscriptions&#039;, array( $this, &#039;set_social_notifications_subscribe&#039; ) );
		add_action( &#039;jetpack_activate_module_subscriptions&#039;, array( $this, &#039;set_featured_image_in_email_default&#039; ) );
		add_action( &#039;jetpack_activate_module_subscriptions&#039;, array( $this, &#039;set_newsletter_send_default&#039; ) );

		// Hide subscription messaging in Publish panel for posts that were published in the past
		add_action( &#039;init&#039;, array( $this, &#039;register_post_meta&#039; ), 20 );
		add_action( &#039;transition_post_status&#039;, array( $this, &#039;maybe_set_first_published_status&#039; ), 10, 3 );

		// Add Subscribers menu to Jetpack navigation.
		add_action( &#039;jetpack_admin_menu&#039;, array( $this, &#039;add_subscribers_menu&#039; ) );

		// Customize the configuration URL to lead to the Subscriptions settings.
		add_filter(
			&#039;jetpack_module_configuration_url_subscriptions&#039;,
			function () {
				return Jetpack::admin_url( array( &#039;page&#039; =&gt; &#039;jetpack#/newsletter&#039; ) );
			}
		);

		// Track categories created through the category editor page
		add_action( &#039;wp_ajax_add-tag&#039;, array( $this, &#039;track_newsletter_category_creation&#039; ), 1 );

		$newsletter_settings = new Newsletter_Settings();
		$newsletter_settings::init();
	}

	/**
	 * Jetpack_Subscriptions::xmlrpc_methods()
	 *
	 * Register subscriptions methods with the Jetpack XML-RPC server.
	 *
	 * @param array $methods Methods being registered.
	 */
	public function xmlrpc_methods( $methods ) {
		return array_merge(
			$methods,
			array(
				&#039;jetpack.subscriptions.subscribe&#039; =&gt; array( $this, &#039;subscribe&#039; ),
			)
		);
	}

	/**
	 * Disable Subscribe on Single Post
	 * Register post meta
	 */
	public function subscription_post_page_metabox() {
		if (
			/**
			 * Filter whether or not to show the per-post subscription option.
			 *
			 * @module subscriptions
			 *
			 * @since 3.7.0
			 *
			 * @param bool true = show checkbox option on all new posts | false = hide the option.
			 */
			! apply_filters( &#039;jetpack_allow_per_post_subscriptions&#039;, false ) ) {
			return;
		}

		if ( has_filter( &#039;jetpack_subscriptions_exclude_these_categories&#039; ) || has_filter( &#039;jetpack_subscriptions_include_only_these_categories&#039; ) ) {
			return;
		}

		global $post;
		$disable_subscribe_value = get_post_meta( $post-&gt;ID, &#039;_jetpack_dont_email_post_to_subs&#039;, true );
		// only show checkbox if post hasn&#039;t been published and is a &#039;post&#039; post type.
		if ( get_post_status( $post-&gt;ID ) !== &#039;publish&#039; &amp;&amp; get_post_type( $post-&gt;ID ) === &#039;post&#039; ) :
			// Nonce it.
			wp_nonce_field( &#039;disable_subscribe&#039;, &#039;disable_subscribe_nonce&#039; );
			?&gt;
			&lt;div class=&quot;misc-pub-section&quot;&gt;
				&lt;label for=&quot;_jetpack_dont_email_post_to_subs&quot;&gt;&lt;?php esc_html_e( &#039;Jetpack Subscriptions:&#039;, &#039;jetpack&#039; ); ?&gt;&lt;/label&gt;&lt;br&gt;
				&lt;input type=&quot;checkbox&quot; name=&quot;_jetpack_dont_email_post_to_subs&quot; id=&quot;jetpack-per-post-subscribe&quot; value=&quot;1&quot; &lt;?php checked( $disable_subscribe_value, 1, true ); ?&gt; /&gt;
				&lt;?php esc_html_e( &#039;Don&amp;#8217;t send this to subscribers&#039;, &#039;jetpack&#039; ); ?&gt;
			&lt;/div&gt;
			&lt;?php
		endif;
	}

	/**
	 * Checks whether or not the post should be emailed to subscribers
	 *
	 * It checks for the following things in order:
	 * - Usage of filter jetpack_subscriptions_exclude_these_categories
	 * - Usage of filter jetpack_subscriptions_include_only_these_categories
	 * - Existence of the per-post checkbox option
	 *
	 * Only one of these can be used at any given time.
	 *
	 * @param string $new_status Tthe &quot;new&quot; post status of the transition when saved.
	 * @param string $old_status The &quot;old&quot; post status of the transition when saved.
	 * @param object $post obj The post object.
	 */
	public function maybe_send_subscription_email( $new_status, $old_status, $post ) {

		if ( defined( &#039;DOING_AUTOSAVE&#039; ) &amp;&amp; DOING_AUTOSAVE ) {
			return;
		}

		// Make sure that the checkbox is preseved.
		if ( ! empty( $_POST[&#039;disable_subscribe_nonce&#039;] ) &amp;&amp; wp_verify_nonce( $_POST[&#039;disable_subscribe_nonce&#039;], &#039;disable_subscribe&#039; ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput -- WP Core doesn&#039;t unslash or sanitize nonces either.
			$set_checkbox = isset( $_POST[&#039;_jetpack_dont_email_post_to_subs&#039;] ) ? 1 : 0;
			update_post_meta( $post-&gt;ID, &#039;_jetpack_dont_email_post_to_subs&#039;, $set_checkbox );
		}
	}

	/**
	 * Message used when publishing a post.
	 *
	 * @param array $messages Message array for a post.
	 */
	public function update_published_message( $messages ) {
		global $post;
		if ( ! $this-&gt;should_email_post_to_subscribers( $post ) ) {
			return $messages;
		}

		$view_post_link_html = sprintf(
			&#039; &lt;a href=&quot;%1$s&quot;&gt;%2$s&lt;/a&gt;&#039;,
			esc_url( get_permalink( $post ) ),
			__( &#039;View post&#039;, &#039;jetpack&#039; )
		);

		$messages[&#039;post&#039;][6] = sprintf(
			/* translators: Message shown after a post is published */
			esc_html__( &#039;Post published and sending emails to subscribers.&#039;, &#039;jetpack&#039; )
		) . $view_post_link_html;
		return $messages;
	}

	/**
	 * Determine if a post should notifiy subscribers via email.
	 *
	 * @param object $post The post.
	 */
	public function should_email_post_to_subscribers( $post ) {
		$should_email = true;
		if ( get_post_meta( $post-&gt;ID, &#039;_jetpack_dont_email_post_to_subs&#039;, true ) ) {
			return false;
		}

		// Only posts are currently supported.
		if ( &#039;post&#039; !== $post-&gt;post_type ) {
			return false;
		}

		// Private posts are not sent to subscribers.
		if ( &#039;private&#039; === $post-&gt;post_status ) {
			return false;
		}

		/**
		 * Array of categories that will never trigger subscription emails.
		 *
		 * Will not send subscription emails from any post from within these categories.
		 *
		 * @module subscriptions
		 *
		 * @since 3.7.0
		 *
		 * @param array $args Array of category slugs or ID&#039;s.
		 */
		$excluded_categories = apply_filters( &#039;jetpack_subscriptions_exclude_these_categories&#039;, array() );

		// Never email posts from these categories.
		if ( ! empty( $excluded_categories ) &amp;&amp; in_category( $excluded_categories, $post-&gt;ID ) ) {
			$should_email = false;
		}

		/**
		 * ONLY send subscription emails for these categories
		 *
		 * Will ONLY send subscription emails to these categories.
		 *
		 * @module subscriptions
		 *
		 * @since 3.7.0
		 *
		 * @param array $args Array of category slugs or ID&#039;s.
		 */
		$only_these_categories = apply_filters( &#039;jetpack_subscriptions_exclude_all_categories_except&#039;, array() );

		// Only emails posts from these categories.
		if ( ! empty( $only_these_categories ) &amp;&amp; ! in_category( $only_these_categories, $post-&gt;ID ) ) {
			$should_email = false;
		}

		return $should_email;
	}

	/**
	 * Retrieve which flags should be added to a particular post.
	 *
	 * @param array  $flags Flags to be added.
	 * @param object $post A post object.
	 */
	public function set_post_flags( $flags, $post ) {
		$flags[&#039;send_subscription&#039;] = $this-&gt;should_email_post_to_subscribers( $post );
		return $flags;
	}

	/**
	 * Jetpack_Subscriptions::configure()
	 *
	 * Jetpack Subscriptions configuration screen.
	 */
	public function configure() {
		// Create the section.
		add_settings_section(
			&#039;jetpack_subscriptions&#039;,
			__( &#039;Jetpack Subscriptions Settings&#039;, &#039;jetpack&#039; ),
			array( $this, &#039;subscriptions_settings_section&#039; ),
			&#039;discussion&#039;
		);

		/** Subscribe to Posts */

		add_settings_field(
			&#039;jetpack_subscriptions_post_subscribe&#039;,
			__( &#039;Follow Blog&#039;, &#039;jetpack&#039; ),
			array( $this, &#039;subscription_post_subscribe_setting&#039; ),
			&#039;discussion&#039;,
			&#039;jetpack_subscriptions&#039;
		);

		register_setting(
			&#039;discussion&#039;,
			&#039;stb_enabled&#039;
		);

		/** Subscribe to Comments */

		add_settings_field(
			&#039;jetpack_subscriptions_comment_subscribe&#039;,
			__( &#039;Follow Comments&#039;, &#039;jetpack&#039; ),
			array( $this, &#039;subscription_comment_subscribe_setting&#039; ),
			&#039;discussion&#039;,
			&#039;jetpack_subscriptions&#039;
		);

		register_setting(
			&#039;discussion&#039;,
			&#039;stc_enabled&#039;
		);

		/** Email me whenever: Someone subscribes to my blog */
		/* @since 8.1 */

		add_settings_section(
			&#039;notifications_section&#039;,
			__( &#039;Someone subscribes to my blog&#039;, &#039;jetpack&#039; ),
			array( $this, &#039;social_notifications_subscribe_section&#039; ),
			&#039;discussion&#039;
		);

		add_settings_field(
			&#039;jetpack_subscriptions_social_notifications_subscribe&#039;,
			__( &#039;Email me whenever&#039;, &#039;jetpack&#039; ),
			array( $this, &#039;social_notifications_subscribe_field&#039; ),
			&#039;discussion&#039;,
			&#039;notifications_section&#039;
		);

		register_setting(
			&#039;discussion&#039;,
			&#039;social_notifications_subscribe&#039;,
			array( $this, &#039;social_notifications_subscribe_validate&#039; )
		);
	}

	/**
	 * Discussions setting section blurb.
	 */
	public function subscriptions_settings_section() {
		?&gt;
		&lt;p id=&quot;jetpack-subscriptions-settings&quot;&gt;&lt;?php esc_html_e( &#039;Change whether your visitors can subscribe to your posts or comments or both.&#039;, &#039;jetpack&#039; ); ?&gt;&lt;/p&gt;

		&lt;?php
	}

	/**
	 * Post Subscriptions Toggle.
	 */
	public function subscription_post_subscribe_setting() {

		$stb_enabled = get_option( &#039;stb_enabled&#039;, 1 );
		?&gt;

		&lt;p class=&quot;description&quot;&gt;
			&lt;input type=&quot;checkbox&quot; name=&quot;stb_enabled&quot; id=&quot;jetpack-post-subscribe&quot; value=&quot;1&quot; &lt;?php checked( $stb_enabled, 1 ); ?&gt; /&gt;
			&lt;?php
			echo wp_kses(
				__(
					&quot;Show a &lt;em&gt;&#039;follow blog&#039;&lt;/em&gt; option in the comment form&quot;,
					&#039;jetpack&#039;
				),
				array( &#039;em&#039; =&gt; array() )
			);
			?&gt;
		&lt;/p&gt;
		&lt;?php
	}

	/**
	 * Comments Subscriptions Toggle.
	 */
	public function subscription_comment_subscribe_setting() {

		$stc_enabled = get_option( &#039;stc_enabled&#039;, 1 );
		?&gt;

		&lt;p class=&quot;description&quot;&gt;
			&lt;input type=&quot;checkbox&quot; name=&quot;stc_enabled&quot; id=&quot;jetpack-comment-subscribe&quot; value=&quot;1&quot; &lt;?php checked( $stc_enabled, 1 ); ?&gt; /&gt;
			&lt;?php
			echo wp_kses(
				__(
					&quot;Show a &lt;em&gt;&#039;follow comments&#039;&lt;/em&gt; option in the comment form&quot;,
					&#039;jetpack&#039;
				),
				array( &#039;em&#039; =&gt; array() )
			);
			?&gt;
		&lt;/p&gt;

		&lt;?php
	}

	/**
	 * Someone subscribes to my blog section
	 *
	 * @since 8.1
	 */
	public function social_notifications_subscribe_section() {
		// Atypical usage here. We emit jquery to move subscribe notification checkbox to be with the rest of the email notification settings.
		?&gt;
		&lt;script type=&quot;text/javascript&quot;&gt;
			jQuery( function( $ )  {
				var table = $( &#039;#social_notifications_subscribe&#039; ).parents( &#039;table:first&#039; ),
					header = table.prevAll( &#039;h2:first&#039; ),
					newParent = $( &#039;#moderation_notify&#039; ).parent( &#039;label&#039; ).parent();

				if ( ! table.length || ! header.length || ! newParent.length ) {
					return;
				}

				newParent.append( &#039;&lt;br/&gt;&#039; ).append( table.end().parent( &#039;label&#039; ).siblings().andSelf() );
				header.remove();
				table.remove();
			} );
		&lt;/script&gt;
		&lt;?php
	}

	/**
	 * Someone subscribes to my blog Toggle
	 *
	 * @since 8.1
	 */
	public function social_notifications_subscribe_field() {
		$checked = (int) ( &#039;on&#039; === get_option( &#039;social_notifications_subscribe&#039;, &#039;on&#039; ) );
		?&gt;

		&lt;label&gt;
			&lt;input type=&quot;checkbox&quot; name=&quot;social_notifications_subscribe&quot; id=&quot;social_notifications_subscribe&quot; value=&quot;1&quot; &lt;?php checked( $checked ); ?&gt; /&gt;
			&lt;?php
				/* translators: this is a label for a setting that starts with &quot;Email me whenever&quot; */
				esc_html_e( &#039;Someone subscribes to my blog&#039;, &#039;jetpack&#039; );
			?&gt;
		&lt;/label&gt;
		&lt;?php
	}

	/**
	 * Validate &quot;Someone subscribes to my blog&quot; option
	 *
	 * @since 8.1
	 *
	 * @param String $input the input string to be validated.
	 * @return string on|off
	 */
	public function social_notifications_subscribe_validate( $input ) {
		// If it&#039;s not set (was unchecked during form submission) or was set to off (during option update), return &#039;off&#039;.
		if ( ! $input || &#039;off&#039; === $input ) {
			return &#039;off&#039;;
		}

		// Otherwise we return &#039;on&#039;.
		return &#039;on&#039;;
	}

	/**
	 * Jetpack_Subscriptions::subscribe()
	 *
	 * Send a synchronous XML-RPC subscribe to blog posts or subscribe to post comments request.
	 *
	 * @param string $email being subscribed.
	 * @param array  $post_ids (optional) defaults to 0 for blog posts only: array of post IDs to subscribe to blog&#039;s posts.
	 * @param bool   $async    (optional) Should the subscription be performed asynchronously?  Defaults to true.
	 * @param array  $extra_data Additional data passed to the `jetpack.subscribeToSite` call.
	 *
	 * @return true|WP_Error true on success
	 *  invalid_email   : not a valid email address
	 *  invalid_post_id : not a valid post ID
	 *  unknown_post_id : unknown post
	 *  not_subscribed  : strange error.  Jetpack servers at WordPress.com could subscribe the email.
	 *  disabled        : Site owner has disabled subscriptions.
	 *  active          : Already subscribed.
	 *  pending         : Tried to subscribe before but the confirmation link is never clicked. No confirmation email is sent.
	 *  unknown         : strange error.  Jetpack servers at WordPress.com returned something malformed.
	 *  unknown_status  : strange error.  Jetpack servers at WordPress.com returned something I didn&#039;t understand.
	 */
	public function subscribe( $email, $post_ids = 0, $async = true, $extra_data = array() ) {
		if ( ! is_email( $email ) ) {
			return new WP_Error( &#039;invalid_email&#039; );
		}

		if ( ! $async ) {
			$xml = new Jetpack_IXR_ClientMulticall();
		}

		foreach ( (array) $post_ids as $post_id ) {
			$post_id = (int) $post_id;
			if ( $post_id &lt; 0 ) {
				return new WP_Error( &#039;invalid_post_id&#039; );
			} elseif ( $post_id &amp;&amp; ! get_post( $post_id ) ) {
				return new WP_Error( &#039;unknown_post_id&#039; );
			}

			if ( $async ) {
				XMLRPC_Async_Call::add_call( &#039;jetpack.subscribeToSite&#039;, 0, $email, $post_id, serialize( $extra_data ) ); //phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_serialize
			} else {
				// @phan-suppress-next-line PhanPossiblyUndeclaredVariable -- $xml is set when $async is false
				$xml-&gt;addCall( &#039;jetpack.subscribeToSite&#039;, $email, $post_id, serialize( $extra_data ) ); //phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_serialize
			}
		}

		if ( $async ) {
			return;
		}

		// Call.
		// @phan-suppress-next-line PhanPossiblyUndeclaredVariable -- $xml is set when $async is false, otherwise we return early
		$xml-&gt;query();

		// @phan-suppress-next-line PhanPossiblyUndeclaredVariable -- $xml is set when $async is false, otherwise we return early
		if ( $xml-&gt;isError() ) {
			// @phan-suppress-next-line PhanPossiblyUndeclaredVariable -- $xml is set when $async is false, otherwise we return early
			return $xml-&gt;get_jetpack_error();
		}

		// @phan-suppress-next-line PhanPossiblyUndeclaredVariable -- $xml is set when $async is false
		$responses = $xml-&gt;getResponse();

		$r = array();
		foreach ( (array) $responses as $response ) {
			if ( isset( $response[&#039;faultCode&#039;] ) || isset( $response[&#039;faultString&#039;] ) ) {
				// @phan-suppress-next-line PhanPossiblyUndeclaredVariable -- $xml is set when $async is false
				$r[] = $xml-&gt;get_jetpack_error( $response[&#039;faultCode&#039;], $response[&#039;faultString&#039;] );
				continue;
			}

			if ( ! is_array( $response[0] ) || empty( $response[0][&#039;status&#039;] ) ) {
				$r[] = new WP_Error( &#039;unknown&#039; );
				continue;
			}

			switch ( $response[0][&#039;status&#039;] ) {
				case &#039;error&#039;:
					$r[] = new WP_Error( &#039;not_subscribed&#039; );
					continue 2;
				case &#039;disabled&#039;:
					$r[] = new WP_Error( &#039;disabled&#039; );
					continue 2;
				case &#039;active&#039;:
					$r[] = new WP_Error( &#039;active&#039; );
					continue 2;
				case &#039;confirming&#039;:
					$r[] = true;
					continue 2;
				case &#039;pending&#039;:
					$r[] = new WP_Error( &#039;pending&#039; );
					continue 2;
				default:
					$r[] = new WP_Error( &#039;unknown_status&#039;, (string) $response[0][&#039;status&#039;] );
					continue 2;
			}
		}

		return $r;
	}

	/**
	 * Jetpack_Subscriptions::widget_submit()
	 *
	 * When a user submits their email via the blog subscription widget, check the details and call the subsribe() method.
	 */
	public function widget_submit() {
		// Check the nonce.
		if ( ! wp_verify_nonce( isset( $_REQUEST[&#039;_wpnonce&#039;] ) ? sanitize_key( $_REQUEST[&#039;_wpnonce&#039;] ) : &#039;&#039;, &#039;blogsub_subscribe_&#039; . \Jetpack_Options::get_option( &#039;id&#039; ) ) ) {
			return false;
		}

		if ( empty( $_REQUEST[&#039;email&#039;] ) || ! is_string( $_REQUEST[&#039;email&#039;] ) ) {
			return false;
		}

		$redirect_fragment = false;
		if ( isset( $_REQUEST[&#039;redirect_fragment&#039;] ) ) {
			$redirect_fragment = preg_replace( &#039;/[^a-z0-9_-]/i&#039;, &#039;&#039;, $_REQUEST[&#039;redirect_fragment&#039;] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput -- This is manually unslashing and sanitizing.
		}
		if ( ! $redirect_fragment || ! is_string( $redirect_fragment ) ) {
			$redirect_fragment = &#039;subscribe-blog&#039;;
		}

		$subscribe = self::subscribe(
			isset( $_REQUEST[&#039;email&#039;] ) ? wp_unslash( $_REQUEST[&#039;email&#039;] ) : null, // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Validated inside self::subscribe().
			0,
			false,
			array(
				&#039;source&#039;         =&gt; &#039;widget&#039;,
				&#039;widget-in-use&#039;  =&gt; is_active_widget( false, false, &#039;blog_subscription&#039;, true ) ? &#039;yes&#039; : &#039;no&#039;,
				&#039;comment_status&#039; =&gt; &#039;&#039;,
				&#039;server_data&#039;    =&gt; jetpack_subscriptions_cherry_pick_server_data(),
			)
		);

		if ( is_wp_error( $subscribe ) ) {
			$error = $subscribe-&gt;get_error_code();
		} else {
			$error = false;
			foreach ( $subscribe as $response ) {
				if ( is_wp_error( $response ) ) {
					$error = $response-&gt;get_error_code();
					break;
				}
			}
		}

		switch ( $error ) {
			case false:
				$result = &#039;success&#039;;
				break;
			case &#039;invalid_email&#039;:
				$result = $error;
				break;
			case &#039;blocked_email&#039;:
				$result = &#039;opted_out&#039;;
				break;
			case &#039;active&#039;:
				$result = &#039;already&#039;;
				break;
			case &#039;flooded_email&#039;:
				$result = &#039;many_pending_subs&#039;;
				break;
			case &#039;pending&#039;:
				$result = &#039;pending&#039;;
				break;
			default:
				$result = &#039;error&#039;;
				break;
		}

		$redirect = add_query_arg( &#039;subscribe&#039;, $result );

		/**
		 * Fires on each subscription form submission.
		 *
		 * @module subscriptions
		 *
		 * @since 3.7.0
		 *
		 * @param string $result Result of form submission: success, invalid_email, already, error.
		 */
		do_action( &#039;jetpack_subscriptions_form_submission&#039;, $result );

		wp_safe_redirect( &quot;$redirect#$redirect_fragment&quot; );
		exit( 0 );
	}

	/**
	 * Jetpack_Subscriptions::comment_subscribe_init()
	 *
	 * Set up and add the comment subscription checkbox to the comment form.
	 *
	 * @param string $submit_button HTML markup for the submit field.
	 */
	public function comment_subscribe_init( $submit_button ) {
		global $post;

		// Subscriptions are only available for posts so far.
		if ( ! $post || &#039;post&#039; !== $post-&gt;post_type ) {
			return $submit_button;
		}

		$comments_checked = &#039;&#039;;
		$blog_checked     = &#039;&#039;;

		// Check for a comment / blog submission and set a cookie to retain the setting and check the boxes.
		if ( isset( $_COOKIE[ &#039;jetpack_comments_subscribe_&#039; . self::$hash . &#039;_&#039; . $post-&gt;ID ] ) ) {
			$comments_checked = &#039; checked=&quot;checked&quot;&#039;;
		}

		if ( isset( $_COOKIE[ &#039;jetpack_blog_subscribe_&#039; . self::$hash ] ) ) {
			$blog_checked = &#039; checked=&quot;checked&quot;&#039;;
		}

		// Some themes call this function, don&#039;t show the checkbox again.
		remove_action( &#039;comment_form&#039;, &#039;subscription_comment_form&#039; );

		// Check if Mark Jaquith&#039;s Subscribe to Comments plugin is active - if so, suppress Jetpack checkbox.

		$str = &#039;&#039;;

		if ( false === has_filter( &#039;comment_form&#039;, &#039;show_subscription_checkbox&#039; ) &amp;&amp; 1 === (int) get_option( &#039;stc_enabled&#039;, 1 ) &amp;&amp; empty( $post-&gt;post_password ) &amp;&amp; &#039;post&#039; === get_post_type() ) {
			// Subscribe to comments checkbox.
			$str             .= &#039;&lt;p class=&quot;comment-subscription-form&quot;&gt;&lt;input type=&quot;checkbox&quot; name=&quot;subscribe_comments&quot; id=&quot;subscribe_comments&quot; value=&quot;subscribe&quot; style=&quot;width: auto; -moz-appearance: checkbox; -webkit-appearance: checkbox;&quot;&#039; . $comments_checked . &#039; /&gt; &#039;;
			$comment_sub_text = __( &#039;Notify me of follow-up comments by email.&#039;, &#039;jetpack&#039; );
			$str             .= &#039;&lt;label class=&quot;subscribe-label&quot; id=&quot;subscribe-label&quot; for=&quot;subscribe_comments&quot;&gt;&#039; . esc_html(
				/**
				 * Filter the Subscribe to comments text appearing below the comment form.
				 *
				 * @module subscriptions
				 *
				 * @since 3.4.0
				 *
				 * @param string $comment_sub_text Subscribe to comments text.
				 */
				apply_filters( &#039;jetpack_subscribe_comment_label&#039;, $comment_sub_text )
			) . &#039;&lt;/label&gt;&#039;;
			$str .= &#039;&lt;/p&gt;&#039;;
		}

		if ( 1 === (int) get_option( &#039;stb_enabled&#039;, 1 ) ) {
			// Subscribe to blog checkbox.
			$str          .= &#039;&lt;p class=&quot;comment-subscription-form&quot;&gt;&lt;input type=&quot;checkbox&quot; name=&quot;subscribe_blog&quot; id=&quot;subscribe_blog&quot; value=&quot;subscribe&quot; style=&quot;width: auto; -moz-appearance: checkbox; -webkit-appearance: checkbox;&quot;&#039; . $blog_checked . &#039; /&gt; &#039;;
			$blog_sub_text = __( &#039;Notify me of new posts by email.&#039;, &#039;jetpack&#039; );
			$str          .= &#039;&lt;label class=&quot;subscribe-label&quot; id=&quot;subscribe-blog-label&quot; for=&quot;subscribe_blog&quot;&gt;&#039; . esc_html(
				/**
				 * Filter the Subscribe to blog text appearing below the comment form.
				 *
				 * @module subscriptions
				 *
				 * @since 3.4.0
				 *
				 * @param string $comment_sub_text Subscribe to blog text.
				 */
				apply_filters( &#039;jetpack_subscribe_blog_label&#039;, $blog_sub_text )
			) . &#039;&lt;/label&gt;&#039;;
			$str .= &#039;&lt;/p&gt;&#039;;
		}

		/**
		 * Filter the output of the subscription options appearing below the comment form.
		 *
		 * @module subscriptions
		 *
		 * @since 1.2.0
		 *
		 * @param string $str Comment Subscription form HTML output.
		 */
		$str = apply_filters( &#039;jetpack_comment_subscription_form&#039;, $str );

		return $str . $submit_button;
	}

	/**
	 * Jetpack_Subscriptions::comment_subscribe_init()
	 *
	 * When a user checks the comment subscribe box and submits a comment, subscribe them to the comment thread.
	 *
	 * @param int|string $comment_id Comment thread being subscribed to.
	 * @param string     $approved Comment status.
	 */
	public function comment_subscribe_submit( $comment_id, $approved ) {
		/**
		 * Filters whether to skip comment subscription processing.
		 *
		 * @since 15.5
		 *
		 * @param bool $skip Whether to skip comment subscription. Default false.
		 */
		if ( apply_filters( &#039;jetpack_subscription_comment_subscribe_skip&#039;, false ) ) {
			return;
		}

		if ( &#039;spam&#039; === $approved ) {
			return;
		}

		$comment = get_comment( $comment_id );
		if ( ! $comment ) {
			return;
		}

		// Set cookies for this post/comment.
		$this-&gt;set_cookies( isset( $_REQUEST[&#039;subscribe_comments&#039;] ), $comment-&gt;comment_post_ID, isset( $_REQUEST[&#039;subscribe_blog&#039;] ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended

		if ( ! isset( $_REQUEST[&#039;subscribe_comments&#039;] ) &amp;&amp; ! isset( $_REQUEST[&#039;subscribe_blog&#039;] ) ) {  // phpcs:ignore WordPress.Security.NonceVerification.Recommended
			return;
		}

		$post_ids = array();

		if ( isset( $_REQUEST[&#039;subscribe_comments&#039;] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
			$post_ids[] = $comment-&gt;comment_post_ID;
		}

		if ( isset( $_REQUEST[&#039;subscribe_blog&#039;] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
			$post_ids[] = 0;
		}

		$result = self::subscribe(
			$comment-&gt;comment_author_email,
			$post_ids,
			true,
			array(
				&#039;source&#039;         =&gt; &#039;comment-form&#039;,
				&#039;widget-in-use&#039;  =&gt; is_active_widget( false, false, &#039;blog_subscription&#039;, true ) ? &#039;yes&#039; : &#039;no&#039;,
				&#039;comment_status&#039; =&gt; $approved,
				&#039;server_data&#039;    =&gt; jetpack_subscriptions_cherry_pick_server_data(),
			)
		);

		/**
		 * Fires on each comment subscription form submission.
		 *
		 * @module subscriptions
		 *
		 * @since 5.5.0
		 *
		 * @param NULL|WP_Error $result Result of form submission: NULL on success, WP_Error otherwise.
		 * @param array $post_ids An array of post IDs that the user subscribed to, 0 means blog subscription.
		 */
		do_action( &#039;jetpack_subscriptions_comment_form_submission&#039;, $result, $post_ids );
	}

	/**
	 * Jetpack_Subscriptions::set_cookies()
	 *
	 * Set a cookie to save state on the comment and post subscription checkboxes.
	 *
	 * @param bool $subscribe_to_post Whether the user chose to subscribe to subsequent comments on this post.
	 * @param int  $post_id If $subscribe_to_post is true, the post ID they&#039;ve subscribed to.
	 * @param bool $subscribe_to_blog Whether the user chose to subscribe to all new posts on the blog.
	 */
	public function set_cookies( $subscribe_to_post = false, $post_id = null, $subscribe_to_blog = false ) {
		$post_id = (int) $post_id;

		/** This filter is already documented in core/wp-includes/comment-functions.php */
		$cookie_lifetime = apply_filters( &#039;comment_cookie_lifetime&#039;, YEAR_IN_SECONDS );

		/**
		 * Filter the Jetpack Comment cookie path.
		 *
		 * @module subscriptions
		 *
		 * @since 2.5.0
		 *
		 * @param string COOKIEPATH Cookie path.
		 */
		$cookie_path = apply_filters( &#039;jetpack_comment_cookie_path&#039;, COOKIEPATH );

		/**
		 * Filter the Jetpack Comment cookie domain.
		 *
		 * @module subscriptions
		 *
		 * @since 2.5.0
		 *
		 * @param string COOKIE_DOMAIN Cookie domain.
		 */
		$cookie_domain = apply_filters( &#039;jetpack_comment_cookie_domain&#039;, COOKIE_DOMAIN );

		if ( $subscribe_to_post &amp;&amp; $post_id &gt;= 0 ) {
			setcookie( &#039;jetpack_comments_subscribe_&#039; . self::$hash . &#039;_&#039; . $post_id, &#039;1&#039;, time() + $cookie_lifetime, $cookie_path, $cookie_domain, is_ssl(), true );
		} else {
			setcookie( &#039;jetpack_comments_subscribe_&#039; . self::$hash . &#039;_&#039; . $post_id, &#039;&#039;, time() - 3600, $cookie_path, $cookie_domain, is_ssl(), true );
		}

		if ( $subscribe_to_blog ) {
			setcookie( &#039;jetpack_blog_subscribe_&#039; . self::$hash, &#039;1&#039;, time() + $cookie_lifetime, $cookie_path, $cookie_domain, is_ssl(), true );
		} else {
			setcookie( &#039;jetpack_blog_subscribe_&#039; . self::$hash, &#039;&#039;, time() - 3600, $cookie_path, $cookie_domain, is_ssl(), true );
		}
	}

	/**
	 * Set the social_notifications_subscribe option to `off` when the Subscriptions module is activated in the first time.
	 *
	 * @since 8.1
	 *
	 * @return void
	 */
	public function set_social_notifications_subscribe() {
		if ( false === get_option( &#039;social_notifications_subscribe&#039; ) ) {
			add_option( &#039;social_notifications_subscribe&#039;, &#039;off&#039; );
		}
	}

	/**
	 * Set the featured image in email option to `1` when the Subscriptions module is activated in the first time.
	 *
	 * @return void
	 */
	public function set_featured_image_in_email_default() {
		add_option( &#039;wpcom_featured_image_in_email&#039;, 1 );
	}

	/**
	 * Set the email post to subscribers default option to `1` when the Subscriptions module is activated for the first time.
	 *
	 * @return void
	 */
	public function set_newsletter_send_default() {
		add_option( &#039;wpcom_newsletter_send_default&#039;, 1 );
	}

	/**
	 * Save a flag when a post was ever published.
	 *
	 * It saves the post meta when the post was published and becomes a draft.
	 * Then this meta is used to hide subscription messaging in Publish panel.
	 *
	 * @param string $new_status Tthe &quot;new&quot; post status of the transition when saved.
	 * @param string $old_status The &quot;old&quot; post status of the transition when saved.
	 * @param object $post obj The post object.
	 */
	public function maybe_set_first_published_status( $new_status, $old_status, $post ) {
		// Subscriptions are only available for posts so far.
		if ( ! $post instanceof \WP_Post || &#039;post&#039; !== $post-&gt;post_type ) {
			return;
		}

		$was_post_ever_published = get_post_meta( $post-&gt;ID, &#039;_jetpack_post_was_ever_published&#039;, true );
		if ( ! $was_post_ever_published &amp;&amp; &#039;publish&#039; === $old_status &amp;&amp; &#039;draft&#039; === $new_status ) {
			update_post_meta( $post-&gt;ID, &#039;_jetpack_post_was_ever_published&#039;, true );
		}
	}

	/**
	 * Checks if the current user can edit posts.
	 *
	 * @return bool
	 */
	public function first_published_status_meta_auth_callback() {
		/**
		 * Filter the capability required to edit the &quot;was ever published&quot; post meta.
		 *
		 * @module subscriptions
		 *
		 * @since 13.4
		 *
		 * @param string $capability User capability needed to edit the &quot;was ever published&quot; meta. Default to edit_posts.
		 */
		$capability = apply_filters( &#039;jetpack_subscriptions_post_was_ever_published_capability&#039;, &#039;edit_posts&#039; );
		if ( current_user_can( $capability ) ) {
			return true;
		}
		return false;
	}

	/**
	 * Registers the &#039;post_was_ever_published&#039; post meta for use in the REST API.
	 */
	public function register_post_meta() {
		$jetpack_post_was_ever_published = array(
			&#039;type&#039;           =&gt; &#039;boolean&#039;,
			&#039;description&#039;    =&gt; __( &#039;Whether the post was ever published.&#039;, &#039;jetpack&#039; ),
			&#039;single&#039;         =&gt; true,
			&#039;default&#039;        =&gt; false,
			&#039;show_in_rest&#039;   =&gt; array(
				&#039;name&#039; =&gt; &#039;jetpack_post_was_ever_published&#039;,
			),
			&#039;auth_callback&#039;  =&gt; array( $this, &#039;first_published_status_meta_auth_callback&#039; ),
			&#039;object_subtype&#039; =&gt; &#039;post&#039;, // Subscriptions are only for the post post type so far, so we can limit this meta to posts only.
		);

		register_meta( &#039;post&#039;, &#039;_jetpack_post_was_ever_published&#039;, $jetpack_post_was_ever_published );
	}

	/**
	 * Create a Subscribers menu displayed on self-hosted sites.
	 *
	 * - It is not displayed on WordPress.com sites.
	 * - It directs you to Calypso to the existing Subscribers page.
	 * - It is retired once the Newsletter modernization filter is on, since the
	 *   unified Newsletter page then owns the Subscribers tab.
	 *
	 * @return void
	 */
	public function add_subscribers_menu() {
		/*
		 * Referenced as a string literal (mirrors Newsletter\Settings::MODERNIZATION_FILTER)
		 * to keep this bootstrap path safe if the packaged Newsletter Settings class does
		 * not expose the constant yet.
		 */
		if ( apply_filters( &#039;rsm_jetpack_ui_modernization_newsletter&#039;, true ) ) {
			return;
		}

		/*
		 * Do not display any menu on WoA and WordPress.com Simple sites (unless Classic wp-admin is enabled).
		 * They already get a menu item under Users via nav-unification.
		 */
		if ( ( new Host() )-&gt;is_wpcom_platform() &amp;&amp; get_option( &#039;wpcom_admin_interface&#039; ) !== &#039;wp-admin&#039; ) {
			return;
		}

		$status = new Status();

		/*
		 * Do not display if we&#039;re in Offline mode,
		 * or if the user is not connected.
		 */
		if (
			$status-&gt;is_offline_mode()
			|| ! ( new Connection_Manager( &#039;jetpack&#039; ) )-&gt;is_user_connected()
		) {
			return;
		}

		/**
		 * Enables the new in development subscribers in wp-admin dashboard.
		 *
		 * @since 9.5.0
		 *
		 * @param bool If the new dashboard is enabled. Defaults on for every site; hosts
		 *             can opt out with this filter.
		 */
		if ( apply_filters( &#039;jetpack_wp_admin_subscriber_management_enabled&#039;, true ) ) {
			return;
		}

		$blog_id = Connection_Manager::get_site_id( true );

		$link = Redirect::get_url(
			&#039;jetpack-menu-jetpack-manage-subscribers&#039;,
			array( &#039;site&#039; =&gt; $blog_id ? $blog_id : $status-&gt;get_site_suffix() )
		);

		Admin_Menu::add_menu(
			__( &#039;Subscribers&#039;, &#039;jetpack&#039; ),
			__( &#039;Subscribers&#039;, &#039;jetpack&#039; ) . &#039; &lt;span aria-hidden=&quot;true&quot;&gt;↗&lt;/span&gt;&#039;,
			&#039;manage_options&#039;,
			esc_url( $link ),
			null,
			100
		);
	}

	/**
	 * Record tracks event if categories is created when user enters
	 * the edit category page through the newsletter settings page.
	 *
	 * @return void
	 */
	public function track_newsletter_category_creation() {

		// phpcs:disable WordPress.Security.NonceVerification.Missing
		if ( empty( $_POST[&#039;_wp_http_referer&#039;] ) ) {
			return;
		}

		if ( strpos( sanitize_url( wp_unslash( $_POST[&#039;_wp_http_referer&#039;] ) ), &#039;referer=newsletter-categories&#039; ) &gt; -1 ) {

			$parent = filter_var( empty( $_POST[&#039;parent&#039;] ) ? 0 : wp_unslash( $_POST[&#039;parent&#039;] ), FILTER_SANITIZE_NUMBER_INT );

			$is_child_category = $parent &gt; 0;

			$tracking = new Automattic\Jetpack\Tracking();
			$tracking-&gt;tracks_record_event(
				wp_get_current_user(),
				&#039;jetpack_newsletter_add_category&#039;,
				array(
					&#039;is_child_category&#039; =&gt; $is_child_category,
				)
			);
		}
	}
}

Jetpack_Subscriptions::init();

require __DIR__ . &#039;/subscriptions/views.php&#039;;
require __DIR__ . &#039;/subscriptions/subscribe-modal/class-jetpack-subscribe-modal.php&#039;;
require __DIR__ . &#039;/subscriptions/subscribe-overlay/class-jetpack-subscribe-overlay.php&#039;;
require __DIR__ . &#039;/subscriptions/subscribe-floating-button/class-jetpack-subscribe-floating-button.php&#039;;
require __DIR__ . &#039;/subscriptions/newsletter-widget/class-jetpack-newsletter-dashboard-widget.php&#039;;

require_once __DIR__ . &#039;/subscriptions/abilities/class-newsletter-abilities.php&#039;;
\Automattic\Jetpack\Plugin\Abilities\Newsletter_Abilities::init();
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