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<?php /** * Subscriptions Block. * * @package automattic/jetpack / namespace Automattic\Jetpack\Extensions\Subscriptions; use Automattic\Jetpack\Blocks; use Automattic\Jetpack\Extensions\Premium_Content\Subscription_Service\Abstract_Token_Subscription_Service; use Automattic\Jetpack\Extensions\Premium_Content\Subscription_Service\Jetpack_Token_Subscription_Service; use Automattic\Jetpack\Status\Host; use Jetpack; use Jetpack_Gutenberg; use Jetpack_Memberships; use Jetpack_Subscriptions_Widget; require_once __DIR__ . '/class-jetpack-subscription-site.php'; require_once __DIR__ . '/constants.php'; require_once JETPACK__PLUGIN_DIR . 'extensions/blocks/premium-content/_inc/subscription-service/include.php'; /* * These block defaults should match ./constants.js / const DEFAULT_BORDER_RADIUS_VALUE = 0; const DEFAULT_BORDER_WEIGHT_VALUE = 1; const DEFAULT_FONTSIZE_VALUE = '16px'; const DEFAULT_PADDING_VALUE = 15; const DEFAULT_SPACING_VALUE = 10; /* * Registers the block for use in Gutenberg * This is done via an action so that we can disable * registration if we need to. / function register_block() { / * Disable the feature on P2 blogs / if ( function_exists( '\WPForTeams\is_wpforteams_site' ) && \WPForTeams\is_wpforteams_site( get_current_blog_id() ) ) { return; } require_once JETPACK__PLUGIN_DIR . '/modules/memberships/class-jetpack-memberships.php'; if ( \Jetpack_Memberships::should_enable_monetize_blocks_in_editor() ) { Blocks::jetpack_register_block( __DIR__, array( 'render_callback' => __NAMESPACE__ . '\render_block', 'supports' => array( 'spacing' => array( 'margin' => true, 'padding' => true, ), 'align' => array( 'wide', 'full' ), ), ) ); } / * If the Subscriptions module is not active, * do not make any further changes on the site. / if ( ! Jetpack::is_module_active( 'subscriptions' ) ) { return; } /* * Do not proceed if the newsletter feature is not enabled * or if the 'Jetpack_Memberships' class does not exists. / if ( ! class_exists( '\Jetpack_Memberships' ) ) { return; } register_post_meta( 'post', META_NAME_FOR_POST_LEVEL_ACCESS_SETTINGS, array( 'show_in_rest' => true, 'single' => true, 'type' => 'string', 'auth_callback' => function () { return wp_get_current_user()->has_cap( 'edit_posts' ); }, ) ); register_post_meta( 'post', META_NAME_FOR_POST_DONT_EMAIL_TO_SUBS, array( 'default' => false, 'show_in_rest' => true, 'single' => true, 'type' => 'boolean', 'auth_callback' => function () { return wp_get_current_user()->has_cap( 'edit_posts' ); }, ) ); register_post_meta( 'post', META_NAME_FOR_POST_TIER_ID_SETTINGS, array( 'show_in_rest' => true, 'single' => true, 'type' => 'integer', 'auth_callback' => function () { return wp_get_current_user()->has_cap( 'edit_posts' ); }, ) ); register_post_meta( 'post', META_NAME_CONTAINS_PAYWALLED_CONTENT, array( 'show_in_rest' => true, 'single' => true, 'type' => 'boolean', 'auth_callback' => function () { return wp_get_current_user()->has_cap( 'edit_posts' ); }, ) ); // This ensures Jetpack will sync this post meta to WPCOM. add_filter( 'jetpack_sync_post_meta_whitelist', function ( $allowed_meta ) { return array_merge( $allowed_meta, array( META_NAME_FOR_POST_LEVEL_ACCESS_SETTINGS, META_NAME_FOR_POST_DONT_EMAIL_TO_SUBS, META_NAME_CONTAINS_PAYWALLED_CONTENT, ) ); } ); // Hide the content – Priority 8 makes it run before do_blocks gets called for the content add_filter( 'the_content', __NAMESPACE__ . '\add_paywall', 8 ); // Close comments on the front-end add_filter( 'comments_open', __NAMESPACE__ . '\maybe_close_comments', 10, 2 ); add_filter( 'pings_open', __NAMESPACE__ . '\maybe_close_comments', 10, 2 ); // Hide existing comments add_filter( 'get_comment', __NAMESPACE__ . '\maybe_gate_existing_comments' ); // Gate the excerpt for a post add_filter( 'get_the_excerpt', __NAMESPACE__ . '\jetpack_filter_excerpt_for_newsletter', 10, 2 ); // Add a 'Newsletter' column to the Edit posts page // We only display the "Newsletter" column if we have configured the paid newsletter plan if ( defined( 'WP_ADMIN' ) && WP_ADMIN && Jetpack_Memberships::has_configured_plans_jetpack_recurring_payments( 'newsletter' ) ) { add_action( 'manage_post_posts_columns', __NAMESPACE__ . '\register_newsletter_access_column' ); add_action( 'manage_post_posts_custom_column', __NAMESPACE__ . '\render_newsletter_access_rows', 10, 2 ); add_action( 'admin_head', __NAMESPACE__ . '\newsletter_access_column_styles' ); } add_action( 'init', __NAMESPACE__ . '\maybe_prevent_super_cache_caching' ); add_action( 'wp_after_insert_post', __NAMESPACE__ . '\add_paywalled_content_post_meta', 99, 2 ); add_filter( 'jetpack_options_whitelist', function ( $options ) { $options[] = 'jetpack_subscriptions_subscribe_post_end_enabled'; $options[] = 'jetpack_subscriptions_subscribe_navigation_enabled'; return $options; } ); // If called via REST API, we need to register later in the lifecycle if ( ( new Host() )->is_wpcom_platform() && ! jetpack_is_frontend() ) { add_action( 'restapi_theme_init', function () { Jetpack_Subscription_Site::init()->handle_subscribe_block_placements(); } ); } else { Jetpack_Subscription_Site::init()->handle_subscribe_block_placements(); } } add_action( 'init', __NAMESPACE__ . '\register_block', 9 ); /* * Returns true when in a WP.com environment. * * @return boolean / function is_wpcom() { return defined( 'IS_WPCOM' ) && IS_WPCOM; } /* * Adds a 'Newsletter' column after the 'Title' column in the post list * * @param array $columns An array of column names. * @return array An array of column names. / function register_newsletter_access_column( $columns ) { $position = array_search( 'title', array_keys( $columns ), true ); $new_column = array( NEWSLETTER_COLUMN_ID => __( 'Newsletter', 'jetpack' ) ); return array_merge( array_slice( $columns, 0, $position + 1, true ), $new_column, array_slice( $columns, $position, null, true ) ); } /* * Add a meta to prevent publication on firehose, ES AI or Reader * * @param int $post_id Post id being saved. * @param \WP_Post $post Post being saved. * @return void / function add_paywalled_content_post_meta( int $post_id, \WP_Post $post ) { if ( $post->post_type !== 'post' ) { return; } $access_level = get_post_meta( $post_id, META_NAME_FOR_POST_LEVEL_ACCESS_SETTINGS, true ); $is_paywalled = false; switch ( $access_level ) { case Abstract_Token_Subscription_Service::POST_ACCESS_LEVEL_PAID_SUBSCRIBERS_ALL_TIERS: case Abstract_Token_Subscription_Service::POST_ACCESS_LEVEL_PAID_SUBSCRIBERS: case Abstract_Token_Subscription_Service::POST_ACCESS_LEVEL_SUBSCRIBERS: $is_paywalled = true; } if ( $is_paywalled ) { update_post_meta( $post_id, META_NAME_CONTAINS_PAYWALLED_CONTENT, $is_paywalled ); } if ( ! $is_paywalled ) { delete_post_meta( $post_id, META_NAME_CONTAINS_PAYWALLED_CONTENT ); } } /* * Displays the newsletter access level. * * @param string $column_id The ID of the column to display. * @param int $post_id The current post ID. / function render_newsletter_access_rows( $column_id, $post_id ) { if ( NEWSLETTER_COLUMN_ID !== $column_id ) { return; } $access_level = get_post_meta( $post_id, META_NAME_FOR_POST_LEVEL_ACCESS_SETTINGS, true ); switch ( $access_level ) { case Abstract_Token_Subscription_Service::POST_ACCESS_LEVEL_PAID_SUBSCRIBERS_ALL_TIERS: echo esc_html__( 'Paid Subscribers (all plans)', 'jetpack' ); break; case Abstract_Token_Subscription_Service::POST_ACCESS_LEVEL_PAID_SUBSCRIBERS: echo esc_html__( 'Paid Subscribers', 'jetpack' ); break; case Abstract_Token_Subscription_Service::POST_ACCESS_LEVEL_SUBSCRIBERS: echo esc_html__( 'Subscribers', 'jetpack' ); break; case Abstract_Token_Subscription_Service::POST_ACCESS_LEVEL_EVERYBODY: echo esc_html__( 'Everybody', 'jetpack' ); break; default: echo ''; } } /* * Adds the Newsletter column styles / function newsletter_access_column_styles() { echo '<style id="jetpack-newsletter-newsletter-access-column"> table.fixed .column-newsletter_access { width: 10%; } </style>'; } /* * Determine the amount of folks currently subscribed to the blog, splitted out in email_subscribers & social_followers & paid_subscribers * * @return array containing ['value' => ['email_subscribers' => 0, 'paid_subscribers' => 0, 'social_followers' => 0]] / function fetch_subscriber_counts() { $subs_count = 0; if ( is_wpcom() ) { $subs_count = array( 'value' => \wpcom_fetch_subs_counts( true ), ); } else { $cache_key = 'wpcom_subscribers_totals'; $subs_count = get_transient( $cache_key ); if ( false === $subs_count \|\| 'failed' === $subs_count['status'] ) { $xml = new \Jetpack_IXR_Client(); $xml->query( 'jetpack.fetchSubscriberCounts' ); if ( $xml->isError() ) { // If we get an error from .com, set the status to failed so that we will try again next time the data is requested. $subs_count = array( 'status' => 'failed', 'code' => $xml->getErrorCode(), 'message' => $xml->getErrorMessage(), 'value' => ( isset( $subs_count['value'] ) ) ? $subs_count['value'] : array( 'email_subscribers' => 0, 'social_followers' => 0, 'paid_subscribers' => 0, ), ); } else { $subs_count = array( 'status' => 'success', 'value' => $xml->getResponse(), ); } set_transient( $cache_key, $subs_count, 3600 ); // Try to cache the result for at least 1 hour. } } return $subs_count; } /* * Returns subscriber count based on include_social_followers attribute * * @param bool $include_social_followers Whether to include social followers in the count. * @return int / function get_subscriber_count( $include_social_followers ) { $counts = fetch_subscriber_counts(); if ( $include_social_followers ) { $subscriber_count = $counts['value']['email_subscribers'] + $counts['value']['social_followers']; } else { $subscriber_count = $counts['value']['email_subscribers']; } return $subscriber_count; } /* * Returns true if the block attributes contain a value for the given key. * * @param array $attributes Array containing the block attributes. * @param string $key Block attribute key. * * @return boolean / function has_attribute( $attributes, $key ) { return isset( $attributes[ $key ] ) && $attributes[ $key ] !== 'undefined'; } /* * Returns the value for the given attribute key, with the option of providing a default fallback value. * * @param array $attributes Array containing the block attributes. * @param string $key Block attribute key. * @param mixed $default Optional fallback value in case the key doesn't exist. * * @return mixed / function get_attribute( $attributes, $key, $default = null ) { return has_attribute( $attributes, $key ) ? $attributes[ $key ] : $default; } /* * Mimics getColorClassName, getFontSizeClass and getGradientClass from @wordpress/block-editor js package. * * @param string $setting Setting name. * @param string $value Setting value. * * @return string / function get_setting_class_name( $setting, $value ) { if ( ! $setting \|\| ! $value ) { return ''; } return sprintf( 'has-%s-%s', $value, $setting ); } /* * Uses block attributes to generate an array containing the classes for various block elements. * Based on Jetpack_Subscriptions_Widget::do_subscription_form() which the block was originally using. * * @param array $attributes Array containing the block attributes. * * @return array / function get_element_class_names_from_attributes( $attributes ) { $text_color_class = get_setting_class_name( 'color', get_attribute( $attributes, 'textColor' ) ); $font_size_class = get_setting_class_name( 'font-size', get_attribute( $attributes, 'fontSize' ) ); $border_class = get_setting_class_name( 'border-color', get_attribute( $attributes, 'borderColor' ) ); $button_background_class = get_setting_class_name( 'background-color', get_attribute( $attributes, 'buttonBackgroundColor' ) ); $button_gradient_class = get_setting_class_name( 'gradient-background', get_attribute( $attributes, 'buttonGradient' ) ); $email_field_background_class = get_setting_class_name( 'background-color', get_attribute( $attributes, 'emailFieldBackgroundColor' ) ); $email_field_gradient_class = get_setting_class_name( 'gradient-background', get_attribute( $attributes, 'emailFieldGradient' ) ); $submit_button_classes = array_filter( array( 'wp-block-button__link' => true, 'no-border-radius' => 0 === get_attribute( $attributes, 'borderRadius', 0 ), $font_size_class => true, $border_class => true, 'has-text-color' => ! empty( $text_color_class ), $text_color_class => true, 'has-background' => ! empty( $button_background_class ) \|\| ! empty( $button_gradient_class ), $button_background_class => ! empty( $button_background_class ), $button_gradient_class => ! empty( $button_gradient_class ), ) ); $email_field_classes = array_filter( array( 'no-border-radius' => 0 === get_attribute( $attributes, 'borderRadius', 0 ), $font_size_class => true, $border_class => true, $email_field_background_class => true, $email_field_gradient_class => true, ) ); $block_wrapper_classes = array_filter( array( 'wp-block-jetpack-subscriptions__supports-newline' => true, 'wp-block-jetpack-subscriptions__use-newline' => (bool) get_attribute( $attributes, 'buttonOnNewLine' ), 'wp-block-jetpack-subscriptions__show-subs' => (bool) get_attribute( $attributes, 'showSubscribersTotal' ), ) ); return array( 'block_wrapper' => implode( ' ', array_keys( $block_wrapper_classes ) ), 'email_field' => implode( ' ', array_keys( $email_field_classes ) ), 'submit_button' => implode( ' ', array_keys( $submit_button_classes ) ), ); } /* * Checks if block style is "button only" * * @param string $class_name Block attribute className; multiple names are spearated by space. * * @return bool / function is_button_only_style( $class_name ) { if ( empty( $class_name ) ) { return false; } $class_names = explode( ' ', $class_name ); return in_array( 'is-style-button', $class_names, true ); } /* * Uses block attributes to generate an array containing the styles for various block elements. * Based on Jetpack_Subscriptions_Widget::do_subscription_form() which the block was originally using. * * @param array $attributes Array containing the block attributes. * * @return array / function get_element_styles_from_attributes( $attributes ) { $is_button_only_style = is_button_only_style( get_attribute( $attributes, 'className', '' ) ); $button_background_style = ! has_attribute( $attributes, 'buttonBackgroundColor' ) && has_attribute( $attributes, 'customButtonGradient' ) ? get_attribute( $attributes, 'customButtonGradient' ) : get_attribute( $attributes, 'customButtonBackgroundColor' ); $email_field_styles = ''; $submit_button_wrapper_styles = ''; $submit_button_styles = ''; if ( ! empty( $button_background_style ) ) { $submit_button_styles .= sprintf( 'background: %s;', $button_background_style ); } if ( has_attribute( $attributes, 'customTextColor' ) ) { $submit_button_styles .= sprintf( 'color: %s;', get_attribute( $attributes, 'customTextColor' ) ); } if ( has_attribute( $attributes, 'buttonWidth' ) ) { $submit_button_wrapper_styles .= sprintf( 'width: %s;', get_attribute( $attributes, 'buttonWidth' ) ); $submit_button_wrapper_styles .= 'max-width: 100%;'; // Account for custom margins on inline forms. $submit_button_styles .= true === get_attribute( $attributes, 'buttonOnNewLine' ) ? sprintf( 'width: calc(100%% - %dpx);', get_attribute( $attributes, 'spacing', DEFAULT_SPACING_VALUE ) ) : 'width: 100%;'; } $font_size = get_attribute( $attributes, 'customFontSize', DEFAULT_FONTSIZE_VALUE ); $style = sprintf( 'font-size: %s%s;', $font_size, is_numeric( $font_size ) ? 'px' : '' ); $submit_button_styles .= $style; $email_field_styles .= $style; $padding = get_attribute( $attributes, 'padding', DEFAULT_PADDING_VALUE ); $style = sprintf( 'padding: %1$dpx %2$dpx %1$dpx %2$dpx;', $padding, round( $padding 1.5 ) ); $submit_button_styles .= $style; $email_field_styles .= $style; $button_spacing = get_attribute( $attributes, 'spacing', DEFAULT_SPACING_VALUE ); if ( ! $is_button_only_style ) { $button_spacing = get_attribute( $attributes, 'spacing', DEFAULT_SPACING_VALUE ); if ( true === get_attribute( $attributes, 'buttonOnNewLine' ) ) { $submit_button_styles .= sprintf( 'margin-top: %dpx;', $button_spacing ); } else { $submit_button_styles .= 'margin: 0; '; // Reset Safari's 2px default margin for buttons affecting input and button union $submit_button_styles .= sprintf( 'margin-left: %dpx;', $button_spacing ); } } if ( has_attribute( $attributes, 'borderColor' ) ) { $style = sprintf( 'border-color: %s;', get_attribute( $attributes, 'borderColor', '' ) ); $submit_button_styles .= $style; $email_field_styles .= $style; } $style = sprintf( 'border-radius: %dpx;', get_attribute( $attributes, 'borderRadius', DEFAULT_BORDER_RADIUS_VALUE ) ); $submit_button_styles .= $style; $email_field_styles .= $style; $style = sprintf( 'border-width: %dpx;', get_attribute( $attributes, 'borderWeight', DEFAULT_BORDER_WEIGHT_VALUE ) ); $submit_button_styles .= $style; $email_field_styles .= $style; if ( has_attribute( $attributes, 'customBorderColor' ) ) { $style = sprintf( 'border-color: %s; border-style: solid;', get_attribute( $attributes, 'customBorderColor' ) ); $submit_button_styles .= $style; $email_field_styles .= $style; } if ( ! jetpack_is_frontend() ) { $background_color_style = get_attribute_color( 'buttonBackgroundColor', $attributes, '#113AF5' /* default lettre theme color / ); $text_color_style = get_attribute_color( 'textColor', $attributes, '#FFFFFF' ); $submit_button_styles .= sprintf( ' background-color: %s; color: %s;', $background_color_style, $text_color_style ); } return array( 'email_field' => $email_field_styles, 'submit_button' => $submit_button_styles, 'submit_button_wrapper' => $submit_button_wrapper_styles, ); } /* * Retrieve the resolved color for a given attribute. * * @param string $attribute_name The name of the attribute to resolve. * @param array $attributes An array of all attributes. * @param string $default_color A fallback color in case no color can be resolved. * * @return string Returns the resolved color or the default color if no color is found. / function get_attribute_color( $attribute_name, $attributes, $default_color ) { if ( has_attribute( $attributes, $attribute_name ) ) { $color_slug = get_attribute( $attributes, $attribute_name ); $resolved_color = get_color_from_slug( $color_slug ); if ( $resolved_color ) { return $resolved_color; } } return get_global_style_color( $attribute_name, $default_color ); } /* * Retrieve the global style color based on a provided style key. * * @param string $style_key The key for the desired style. * @param string $default_color A fallback color in case the global style is not set. * * @return string Returns the color defined in global styles or the default color if not defined. / function get_global_style_color( $style_key, $default_color ) { $global_styles = wp_get_global_styles( array( 'color' ), array( 'block_name' => 'core/button', 'transforms' => array( 'resolve-variables' ), ) ); if ( isset( $global_styles[ $style_key ] ) ) { return $global_styles[ $style_key ]; } return $default_color; } /* * Convert a color slug into its corresponding color value. * * @param string $slug The slug representation of the color. * * @return string\|null Returns the color value if found, or null otherwise. / function get_color_from_slug( $slug ) { $color_palettes = wp_get_global_settings( array( 'color', 'palette' ) ); if ( ! is_array( $color_palettes ) ) { return null; } foreach ( $color_palettes as $palette ) { if ( is_array( $palette ) ) { foreach ( $palette as $color ) { if ( isset( $color['slug'] ) && $color['slug'] === $slug && isset( $color['color'] ) ) { return $color['color']; } } } } return null; } /* * Subscriptions block render callback. * * @param array $attributes Array containing the block attributes. * * @return string / function render_block( $attributes ) { // If the Subscriptions module is not active, don't render the block. if ( ! Jetpack::is_module_active( 'subscriptions' ) ) { return ''; } if ( class_exists( '\Jetpack_Memberships' ) ) { // We only want the sites that have newsletter feature enabled to be graced by this JavaScript. Jetpack_Gutenberg::load_assets_as_required( __DIR__ ); } else { Jetpack_Gutenberg::load_styles_as_required( FEATURE_NAME ); } if ( ! class_exists( 'Jetpack_Subscriptions_Widget' ) ) { return ''; } $subscribe_email = Jetpack_Memberships::get_current_user_email(); /* This filter is documented in \Automattic\Jetpack\Forms\ContactForm\Contact_Form / if ( is_wpcom() \|\| false !== apply_filters( 'jetpack_auto_fill_logged_in_user', false ) ) { $current_user = wp_get_current_user(); if ( ! empty( $current_user->user_email ) ) { $subscribe_email = $current_user->user_email; } } // The block is using the Jetpack_Subscriptions_Widget backend, hence the need to increase the instance count. ++Jetpack_Subscriptions_Widget::$instance_count; $classes = get_element_class_names_from_attributes( $attributes ); $styles = get_element_styles_from_attributes( $attributes ); // The default value was previously "true" in block.json. We don't want to rely setting "default" in block.json to falsy, // because it would change the setting for previously saved blocks. Block editor doesn't store default values in attributes at all. // Hence users without this set will still get social counts included in the subscriber counter. // Lowering the subscriber count on their behalf with code change would be controversial. // We want to disencourage including social count as it's misleading. $include_social_followers = isset( $attributes['includeSocialFollowers'] ) ? (bool) get_attribute( $attributes, 'includeSocialFollowers' ) : true; $data = array( 'widget_id' => Jetpack_Subscriptions_Widget::$instance_count, 'subscribe_email' => $subscribe_email, 'is_paid_subscriber' => get_attribute( $attributes, 'isPaidSubscriber', false ), 'wrapper_attributes' => get_block_wrapper_attributes( array( 'class' => $classes['block_wrapper'], ) ), 'subscribe_placeholder' => get_attribute( $attributes, 'subscribePlaceholder', __( 'Type your email…', 'jetpack' ) ), 'submit_button_text' => get_attribute( $attributes, 'submitButtonText', __( 'Subscribe', 'jetpack' ) ), 'submit_button_text_subscribed' => get_attribute( $attributes, 'submitButtonTextSubscribed', __( 'Subscribed', 'jetpack' ) ), 'submit_button_text_upgrade' => get_attribute( $attributes, 'submitButtonTextUpgrade', __( 'Upgrade subscription', 'jetpack' ) ), 'success_message' => get_attribute( $attributes, 'successMessage', esc_html__( "Success! An email was just sent to confirm your subscription. Please find the email now and click 'Confirm' to start subscribing.", 'jetpack' ) ), 'show_subscribers_total' => (bool) get_attribute( $attributes, 'showSubscribersTotal' ), 'subscribers_total' => get_attribute( $attributes, 'showSubscribersTotal' ) ? get_subscriber_count( $include_social_followers ) : 0, 'referer' => esc_url_raw( ( is_ssl() ? 'https' : 'http' ) . '://' . ( isset( $_SERVER['HTTP_HOST'] ) ? wp_unslash( $_SERVER['HTTP_HOST'] ) : '' ) . ( isset( $_SERVER['REQUEST_URI'] ) ? wp_unslash( $_SERVER['REQUEST_URI'] ) : '' ) ), 'source' => 'subscribe-block', 'app_source' => get_attribute( $attributes, 'appSource', null ), 'class_name' => get_attribute( $attributes, 'className' ), ); if ( ! jetpack_is_frontend() ) { return render_for_email( $data, $styles ); } return render_for_website( $data, $classes, $styles ); } /* * Get the post access level for the current post. Defaults to 'everybody' if the query is not for a single post * * @return string the actual post access level (see projects/plugins/jetpack/extensions/blocks/subscriptions/constants.js for the values). / function get_post_access_level_for_current_post() { if ( ! is_singular() ) { // There is no "actual" current post. return Abstract_Token_Subscription_Service::POST_ACCESS_LEVEL_EVERYBODY; } return Jetpack_Memberships::get_post_access_level(); } /* * Renders the subscriptions block at the site. * * @param array $data Array containing block view data. * @param array $classes Array containing the classes for different block elements. * @param array $styles Array containing the styles for different block elements. * * @return string / function render_for_website( $data, $classes, $styles ) { $lang = get_locale(); $blog_id = \Jetpack_Options::get_option( 'id' ); $widget_id_suffix = Jetpack_Subscriptions_Widget::$instance_count > 1 ? '-' . Jetpack_Subscriptions_Widget::$instance_count : ''; $form_id = 'subscribe-blog' . $widget_id_suffix; $form_url = 'https://wordpress.com/email-subscriptions'; $post_access_level = get_post_access_level_for_current_post(); $is_button_only_style = ! empty( $data['class_name'] ) ? is_button_only_style( $data['class_name'] ) : false; // Post ID is used for pulling post-specific paid status, and returning to the right post after confirming subscription $post_id = null; if ( in_the_loop() ) { $post_id = get_the_ID(); } elseif ( is_singular( 'post' ) \|\| is_page() ) { $post_id = get_queried_object_id(); } else { $post_id = get_option( 'page_on_front' ); } $subscribe_field_id = apply_filters( 'subscribe_field_id', 'subscribe-field' . $widget_id_suffix, $data['widget_id'] ); $tier_id = get_post_meta( $post_id, META_NAME_FOR_POST_TIER_ID_SETTINGS, true ); $is_subscribed = Jetpack_Memberships::is_current_user_subscribed(); $button_text = get_submit_button_text( $data ); $show_subscriber_count = $data['show_subscribers_total'] && $data['subscribers_total'] && ! $is_subscribed; ob_start(); Jetpack_Subscriptions_Widget::render_widget_status_messages( array( 'success_message' => $data['success_message'], ) ); ?> <div <?php echo wp_kses_data( $data['wrapper_attributes'] ); ?>> <div class="wp-block-jetpack-subscriptions__container<?php echo ! $is_subscribed ? ' is-not-subscriber' : ''; ?>"> <?php if ( is_top_subscription() ) : ?> <p id="subscribe-submit" class="is-link" <?php if ( ! empty( $styles['submit_button_wrapper'] ) ) : ?> style="<?php echo esc_attr( $styles['submit_button_wrapper'] ); ?>" <?php endif; ?> > <a href="<?php echo esc_url( 'https://wordpress.com/read/site/subscription/' . $blog_id ); ?>" <?php if ( ! empty( $classes['submit_button'] ) ) : ?> class="<?php echo esc_attr( $classes['submit_button'] ); ?>" <?php endif; ?> <?php if ( ! empty( $styles['submit_button'] ) ) : ?> style="<?php echo esc_attr( $styles['submit_button'] ); ?>" <?php endif; ?> > <?php echo sanitize_submit_text( $button_text ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?> </a> </p> <?php else : ?> <form action="<?php echo esc_url( $form_url ); ?>" method="post" accept-charset="utf-8" data-blog="<?php echo esc_attr( $blog_id ); ?>" data-post_access_level="<?php echo esc_attr( $post_access_level ); ?>" data-subscriber_email="<?php echo esc_attr( $data['subscribe_email'] ); ?>" id="<?php echo esc_attr( $form_id ); ?>" > <div class="wp-block-jetpack-subscriptions__form-elements"> <?php if ( ! $is_subscribed && ! $is_button_only_style ) : ?> <p id="subscribe-email"> <label id="<?php echo esc_attr( $subscribe_field_id . '-label' ); ?>" for="<?php echo esc_attr( $subscribe_field_id ); ?>" class="screen-reader-text" > <?php echo esc_html( $data['subscribe_placeholder'] ); ?> </label> <?php printf( '<input required="required" type="email" name="email" %1$s style="%2$s" placeholder="%3$s" value="%4$s" id="%5$s" %6$s />', ( ! empty( $classes['email_field'] ) ? 'class="' . esc_attr( $classes['email_field'] ) . '"' : '' ), ( ! empty( $styles['email_field'] ) ? esc_attr( $styles['email_field'] ) : 'width: 95%; padding: 1px 10px' ), esc_attr( $data['subscribe_placeholder'] ), esc_attr( $data['subscribe_email'] ), esc_attr( $subscribe_field_id ), ( ! empty( $data['subscribe_email'] ) ? 'disabled title="' . esc_attr__( "You're logged in with this email", 'jetpack' ) . '"' : 'title="' . esc_attr__( 'Please fill in this field.', 'jetpack' ) . '"' ) ); ?> </p> <?php endif; ?> <p id="subscribe-submit" <?php if ( ! empty( $styles['submit_button_wrapper'] ) ) : ?> style="<?php echo esc_attr( $styles['submit_button_wrapper'] ); ?>" <?php endif; ?> > <input type="hidden" name="action" value="subscribe"/> <input type="hidden" name="blog_id" value="<?php echo (int) $blog_id; ?>"/> <input type="hidden" name="source" value="<?php echo esc_url( $data['referer'] ); ?>"/> <input type="hidden" name="sub-type" value="<?php echo esc_attr( $data['source'] ); ?>"/> <input type="hidden" name="app_source" value="<?php echo esc_attr( $data['app_source'] ); ?>"/> <input type="hidden" name="redirect_fragment" value="<?php echo esc_attr( $form_id ); ?>"/> <input type="hidden" name="lang" value="<?php echo esc_attr( $lang ); ?>"/> <?php wp_nonce_field( 'blogsub_subscribe_' . $blog_id ); if ( ! empty( $post_id ) ) { echo '<input type="hidden" name="post_id" value="' . esc_attr( $post_id ) . '"/>'; } if ( ! empty( $tier_id ) ) { echo '<input type="hidden" name="tier_id" value="' . esc_attr( $tier_id ) . '"/>'; } ?> <button type="submit" <?php if ( ! empty( $classes['submit_button'] ) ) : ?> class="<?php echo esc_attr( $classes['submit_button'] ); ?>" <?php endif; ?> <?php if ( ! empty( $styles['submit_button'] ) ) : ?> style="<?php echo esc_attr( $styles['submit_button'] ); ?>" <?php endif; ?> name="jetpack_subscriptions_widget" > <?php echo sanitize_submit_text( $button_text ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?> </button> </p> </div> </form> <?php endif; ?> <?php if ( $show_subscriber_count ) : ?> <div class="wp-block-jetpack-subscriptions__subscount"> <?php echo esc_html( Jetpack_Memberships::get_join_others_text( $data['subscribers_total'] ) ); ?> </div> <?php endif; ?> </div> </div> <?php return ob_get_clean(); } /* * Renders the email version of the subscriptions block. * * @param array $data Array containing block view data. * @param array $styles Array containing the styles for different block elements. * * @return string / function render_for_email( $data, $styles ) { $submit_button_wrapper_style = ! empty( $styles['submit_button_wrapper'] ) ? 'style="' . esc_attr( $styles['submit_button_wrapper'] ) . '"' : ''; $button_text = get_submit_button_text( $data ); $html = '<div ' . wp_kses_data( $data['wrapper_attributes'] ) . '> <div> <div> <div> <p ' . $submit_button_wrapper_style . '> <a href="' . esc_url( get_post_permalink() ) . '" style="' . esc_attr( $styles['submit_button'] ) . ' text-decoration: none; white-space: nowrap; margin-left: 0">' . sanitize_submit_text( $button_text ) . '</a> </p> </div> </div> </div> </div>'; return $html; } /* * Filter excerpts looking for subscription data. * * @param string $excerpt The extrapolated excerpt string. * @param \WP_Post $post The current post being processed (in `get_the_excerpt`). * * @return mixed / function jetpack_filter_excerpt_for_newsletter( $excerpt, $post = null ) { // The blogmagazine theme is overriding WP core `get_the_excerpt` filter and only passing the excerpt // TODO: Until this is fixed, return the excerpt without gating. See https://github.com/Automattic/jetpack/pull/28102#issuecomment-1369161116 if ( $post && str_contains( $post->post_content, '<!-- wp:jetpack/subscriptions -->' ) ) { $excerpt .= sprintf( // translators: %s is the permalink url to the current post. __( "<p><a href='%s'>View post</a> to subscribe to site newsletter.</p>", 'jetpack' ), get_post_permalink() ); } return $excerpt; } /* * Gate access to posts * * @param string $the_content Post content. * * @return string / function add_paywall( $the_content ) { require_once JETPACK__PLUGIN_DIR . 'modules/memberships/class-jetpack-memberships.php'; $post_access_level = Jetpack_Memberships::get_post_access_level(); if ( Jetpack_Memberships::user_can_view_post() ) { if ( $post_access_level !== Abstract_Token_Subscription_Service::POST_ACCESS_LEVEL_EVERYBODY ) { do_action( 'earn_track_paywalled_post_view', array( 'post_id' => get_the_ID(), ) ); } return $the_content; } $paywalled_content = get_paywall_content( $post_access_level ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended if ( has_block( \Automattic\Jetpack\Extensions\Paywall\BLOCK_NAME ) ) { if ( strpos( $the_content, \Automattic\Jetpack\Extensions\Paywall\BLOCK_HTML ) ) { return strstr( $the_content, \Automattic\Jetpack\Extensions\Paywall\BLOCK_HTML, true ) . $paywalled_content; } // WordPress generates excerpts by either rendering or stripping blocks before invoking the `the_content` filter. // In the context of generating an excerpt, the Paywall block specifically renders THE_EXCERPT_BLOCK. if ( strpos( $the_content, \Automattic\Jetpack\Extensions\Paywall\THE_EXCERPT_BLOCK ) ) { return strstr( $the_content, \Automattic\Jetpack\Extensions\Paywall\THE_EXCERPT_BLOCK, true ); } } return $paywalled_content; } /* * Gate access to comments. We want to close comments on private sites. * * @param bool $default_comments_open Default state of the comments_open filter. * @param int $post_id Current post id. * * @return bool / function maybe_close_comments( $default_comments_open, $post_id ) { if ( ! $default_comments_open \|\| ! $post_id ) { return $default_comments_open; } require_once JETPACK__PLUGIN_DIR . 'modules/memberships/class-jetpack-memberships.php'; return Jetpack_Memberships::user_can_view_post(); } /* * Gate access to existing comments * * @param string $comment The comment. * * @return string / function maybe_gate_existing_comments( $comment ) { if ( empty( $comment ) ) { return $comment; } require_once JETPACK__PLUGIN_DIR . 'modules/memberships/class-jetpack-memberships.php'; if ( Jetpack_Memberships::user_can_view_post() ) { return $comment; } return ''; } /* * Is the Jetpack_Token_Subscription_Service class loaded * * @return bool / function is_jetpack_token_subscription_service_loaded(): bool { return class_exists( 'Automattic\Jetpack\Extensions\Premium_Content\Subscription_Service\Jetpack_Token_Subscription_Service' ); } /* * Adds support for WP Super cache and Boost cache / function maybe_prevent_super_cache_caching() { // Prevents cached page to be served if the Membership cookie is present if ( is_jetpack_token_subscription_service_loaded() ) { do_action( 'wpsc_add_cookie', Jetpack_Token_Subscription_Service::JWT_AUTH_TOKEN_COOKIE_NAME ); } if ( is_user_auth() ) { // Do not cache the page if user is auth with Membership token if ( ! defined( 'DONOTCACHEPAGE' ) ) { define( 'DONOTCACHEPAGE', true ); } } } /* * Returns paywall content blocks * * @param string $post_access_level The newsletter access level. * @return string / function get_paywall_content( $post_access_level ) { if ( Jetpack_Memberships::user_is_pending_subscriber() ) { return get_paywall_blocks_subscribe_pending(); } if ( doing_filter( 'get_the_excerpt' ) ) { return ''; } return get_paywall_blocks( $post_access_level ); } /* * Returns the current URL. * * TODO: Copied from https://github.com/Automattic/jetpack/blob/bb885061dc3ee7a80a78a5f0116ab3fcebfddb09/projects/packages/boost-core/src/lib/class-url.php#L39 * TODO: Move to a shared package * * @return string / function get_current_url() { // Fallback to the site URL if we're unable to determine the URL from $_SERVER global. $current_url = site_url(); if ( isset( $_SERVER ) && is_array( $_SERVER ) ) { // phpcs:disable WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Sanitization happens at the end $scheme = isset( $_SERVER['HTTPS'] ) && 'on' === $_SERVER['HTTPS'] ? 'https' : 'http'; $host = ! empty( $_SERVER['HTTP_HOST'] ) ? wp_unslash( $_SERVER['HTTP_HOST'] ) : null; $path = ! empty( $_SERVER['REQUEST_URI'] ) ? wp_unslash( $_SERVER['REQUEST_URI'] ) : ''; // Support for local plugin development and testing using ngrok. if ( ! empty( $_SERVER['HTTP_X_ORIGINAL_HOST'] ) && str_contains( $_SERVER['HTTP_X_ORIGINAL_HOST'], 'ngrok.io' ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput -- This is validating. $host = wp_unslash( $_SERVER['HTTP_X_ORIGINAL_HOST'] ); } // phpcs:enable WordPress.Security.ValidatedSanitizedInput.InputNotSanitized if ( $host ) { $current_url = esc_url_raw( sprintf( '%s://%s%s', $scheme, $host, $path ) ); } } return $current_url; } /* * Get the submit button text based on the subscription status. * * @param array $data Array containing block view data. * * @return string / function get_submit_button_text( $data ) { if ( ! Jetpack_Memberships::is_current_user_subscribed() ) { return $data['submit_button_text']; } if ( ! Jetpack_Memberships::user_can_view_post() ) { return $data['submit_button_text_upgrade']; } return '✓ ' . $data['submit_button_text_subscribed']; } /* * Returns true if there are no more tiers to upgrade to. * * @return boolean / function is_top_subscription() { if ( ! Jetpack_Memberships::is_current_user_subscribed() ) { return false; } if ( ! Jetpack_Memberships::user_can_view_post() ) { return false; } return true; } /* * Sanitize the submit button text. * * @param string $text String containing the submit button text. * * @return string / function sanitize_submit_text( $text ) { return wp_kses( html_entity_decode( $text, ENT_QUOTES \| ENT_SUBSTITUTE \| ENT_HTML401 ), Jetpack_Subscriptions_Widget::$allowed_html_tags_for_submit_button ); } /* * Returns paywall content blocks if user is not authenticated * * @param string $newsletter_access_level The newsletter access level. * @return string / function get_paywall_blocks( $newsletter_access_level ) { $custom_paywall = apply_filters( 'jetpack_custom_paywall_blocks', false ); if ( ! empty( $custom_paywall ) ) { return $custom_paywall; } if ( ! jetpack_is_frontend() ) { // emails return get_paywall_simple(); } require_once JETPACK__PLUGIN_DIR . 'modules/memberships/class-jetpack-memberships.php'; // Only display paid texts when Stripe is connected and the post is marked for paid subscribers $is_paid_post = $newsletter_access_level === 'paid_subscribers' && Jetpack_Memberships::has_connected_account(); $is_paid_subscriber = Jetpack_Memberships::user_is_paid_subscriber(); $access_heading = $is_paid_subscriber ? esc_html__( 'Upgrade to continue reading', 'jetpack' ) : esc_html__( 'Subscribe to continue reading', 'jetpack' ); $subscribe_text = $is_paid_post // translators: %s is the name of the site. ? $is_paid_subscriber ? esc_html__( 'Upgrade to get access to the rest of this post and other exclusive content.', 'jetpack' ) : esc_html__( 'Become a paid subscriber to get access to the rest of this post and other exclusive content.', 'jetpack' ) // translators: %s is the name of the site. : esc_html__( 'Subscribe to get access to the rest of this post and other subscriber-only content.', 'jetpack' ); $login_block = ''; if ( is_user_auth() ) { if ( ( new Host() )->is_wpcom_simple() ) { // We cannot use wpcom_logmein_redirect_url since it returns redirect URL when user is already logged in. $login_link = add_query_arg( array( 'redirect_to' => rawurlencode( get_current_url() ), 'blog_id' => get_current_blog_id(), ), 'https://wordpress.com/log-in/link' ); $switch_accounts_link = wp_logout_url( $login_link ); $login_block = '<!-- wp:paragraph {"align":"center","style":{"typography":{"fontSize":"14px"}}} --> <p class="has-text-align-center" style="font-size:14px"> <a href="' . $switch_accounts_link . '">' . __( 'Switch accounts', 'jetpack' ) . '</a> </p> <!-- /wp:paragraph -->'; } } else { $access_question = $is_paid_post ? esc_html__( 'Already a paid subscriber?', 'jetpack' ) : esc_html__( 'Already a subscriber?', 'jetpack' ); $login_block = '<!-- wp:group {"style":{"typography":{"fontSize":"14px"}},"layout":{"type":"flex","justifyContent":"center"}} --> <div class="wp-block-group" style="font-size:14px"> <!-- wp:jetpack/subscriber-login {"logInLabel":"' . $access_question . '"} /--> </div> <!-- /wp:group -->'; } $lock_svg = plugins_url( 'images/lock-paywall.svg', JETPACK__PLUGIN_FILE ); return ' <!-- wp:group {"style":{"border":{"width":"1px","radius":"4px"},"spacing":{"padding":{"top":"32px","bottom":"32px","left":"32px","right":"32px"}}},"borderColor":"primary","className":"jetpack-subscribe-paywall","layout":{"type":"constrained","contentSize":"400px"}} --> <div class="wp-block-group jetpack-subscribe-paywall has-border-color has-primary-border-color" style="border-width:1px;border-radius:4px;padding-top:32px;padding-right:32px;padding-bottom:32px;padding-left:32px"> <!-- wp:image {"align":"center","width":24,"height":24,"sizeSlug":"large","linkDestination":"none"} --> <figure class="wp-block-image aligncenter size-large is-resized"><img src="' . $lock_svg . '" alt="" width="24" height="24"/></figure> <!-- /wp:image --> <!-- wp:heading {"textAlign":"center","style":{"typography":{"fontStyle":"normal","fontWeight":"600","fontSize":"24px"},"layout":{"selfStretch":"fit"}}} --> <h2 class="wp-block-heading has-text-align-center" style="font-size:24px;font-style:normal;font-weight:600">' . $access_heading . '</h2> <!-- /wp:heading --> <!-- wp:paragraph {"align":"center","style":{"typography":{"fontSize":"14px"},"spacing":{"margin":{"top":"10px","bottom":"10px"}}}} --> <p class="has-text-align-center" style="margin-top:10px;margin-bottom:10px;font-size:14px">' . $subscribe_text . '</p> <!-- /wp:paragraph --> <!-- wp:jetpack/subscriptions {"borderRadius":50,"borderColor":"primary","className":"is-style-compact","isPaidSubscriber":' . ( $is_paid_subscriber ? 'true' : 'false' ) . '} /--> ' . $login_block . ' </div> <!-- /wp:group --> '; } /* * Returns true if user is auth for subscriptions check, otherwise returns false. * * @return bool / function is_user_auth(): bool { if ( ( new Host() )->is_wpcom_simple() && is_user_logged_in() ) { return true; } if ( current_user_can( 'manage_options' ) ) { return true; } if ( is_jetpack_token_subscription_service_loaded() ) { if ( Jetpack_Token_Subscription_Service::has_token_from_cookie() ) { return true; } } return false; } /* * Returns paywall content blocks when email confirmation is pending * * @return string / function get_paywall_blocks_subscribe_pending() { $subscribe_email = Jetpack_Memberships::get_current_user_email(); /* This filter is documented in \Automattic\Jetpack\Forms\ContactForm\Contact_Form / if ( is_wpcom() \|\| false !== apply_filters( 'jetpack_auto_fill_logged_in_user', false ) ) { $current_user = wp_get_current_user(); if ( ! empty( $current_user->user_email ) ) { $subscribe_email = $current_user->user_email; } } $access_heading = esc_html__( 'Confirm your subscription to continue reading', 'jetpack' ); / translators: %s: email address / $subscribe_text = sprintf( esc_html__( 'Head to your inbox and confirm your email address %s.', 'jetpack' ), $subscribe_email ); $lock_svg = plugins_url( 'images/lock-paywall.svg', JETPACK__PLUGIN_FILE ); return ' <!-- wp:group {"style":{"border":{"width":"1px","radius":"4px"},"spacing":{"padding":{"top":"32px","bottom":"32px","left":"32px","right":"32px"}}},"borderColor":"primary","className":"jetpack-subscribe-paywall","layout":{"type":"constrained","contentSize":"400px"}} --> <div class="wp-block-group jetpack-subscribe-paywall has-border-color has-primary-border-color" style="border-width:1px;border-radius:4px;padding-top:32px;padding-right:32px;padding-bottom:32px;padding-left:32px"> <!-- wp:image {"align":"center","width":24,"height":24,"sizeSlug":"large","linkDestination":"none"} --> <figure class="wp-block-image aligncenter size-large is-resized"><img src="' . $lock_svg . '" alt="" width="24" height="24"/></figure> <!-- /wp:image --> <!-- wp:heading {"textAlign":"center","style":{"typography":{"fontStyle":"normal","fontWeight":"600","fontSize":"24px", "maxWidth":"initial"},"layout":{"selfStretch":"fit"}}} --> <h2 class="wp-block-heading has-text-align-center" style="font-size:24px;font-style:normal;font-weight:600;max-width:initial">' . $access_heading . '</h2> <!-- /wp:heading --> <!-- wp:paragraph {"align":"center","style":{"typography":{"fontSize":"14px"},"spacing":{"margin":{"top":"10px","bottom":"10px"}}}} --> <p class="has-text-align-center" style="margin-top:10px;margin-bottom:10px;font-size:14px">' . $subscribe_text . '</p> <!-- /wp:paragraph --> </div> <!-- /wp:group --> '; } /* * Return content for non frontend views like emails. * * @return string */ function get_paywall_simple() { $access_heading = esc_html__( "You're currently a free subscriber. Upgrade your subscription to get access to the rest of this post and other paid-subscriber only content.", 'jetpack' ); $subscribe_text = esc_html__( 'Upgrade subscription', 'jetpack' ); return ' <!-- wp:columns --> <div class="wp-block-columns" style="display: inline-block; width: 90%"> <!-- wp:column --> <div class="wp-block-column" style="background-color: #F6F7F7; padding: 32px; 24px;"> <!-- wp:paragraph --> <p class="has-text-align-center" style="text-align: center; color: #50575E; font-weight: 400; font-size: 16px; font-family: \'SF Pro Text\', sans-serif; line-height: 28.8px;"> ' . $access_heading . ' </p> <!-- /wp:paragraph --> <!-- wp:buttons --> <div class="wp-block-buttons" style="text-align: center;"> <!-- wp:button --> <div class="wp-block-button" style="display: inline-block; margin: 10px 0;"> <a href="' . esc_url( get_post_permalink() ) . '" class="wp-block-button__link wp-element-button" data-wpcom-track data-tracks-link-desc="paywall-email-click" style="display: inline-block; padding: 15px 20px; background-color: #0675C4; color: #FFFFFF; text-decoration: none; border-radius: 5px; font-family: \'SF Pro Display\', sans-serif; font-weight: 500; font-size: 16px; text-align: center;">' . $subscribe_text . '</a> </div> <!-- /wp:button --> </div> <!-- /wp:buttons --> </div> <!-- /wp:column --> </div> <!-- /wp:columns --> '; }

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