diff options
Diffstat (limited to 'plugins/jetpack/modules/carousel/jetpack-carousel.php')
| -rw-r--r-- | plugins/jetpack/modules/carousel/jetpack-carousel.php | 832 |
1 files changed, 832 insertions, 0 deletions
diff --git a/plugins/jetpack/modules/carousel/jetpack-carousel.php b/plugins/jetpack/modules/carousel/jetpack-carousel.php new file mode 100644 index 00000000..1542a297 --- /dev/null +++ b/plugins/jetpack/modules/carousel/jetpack-carousel.php @@ -0,0 +1,832 @@ +<?php + +/* +Plugin Name: Jetpack Carousel +Plugin URL: https://wordpress.com/ +Description: Transform your standard image galleries into an immersive full-screen experience. +Version: 0.1 +Author: Automattic + +Released under the GPL v.2 license. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. +*/ +class Jetpack_Carousel { + + public $prebuilt_widths = array( 370, 700, 1000, 1200, 1400, 2000 ); + + public $first_run = true; + + public $in_gallery = false; + + public $in_jetpack = true; + + public $single_image_gallery_enabled = false; + + public $single_image_gallery_enabled_media_file = false; + + function __construct() { + add_action( 'init', array( $this, 'init' ) ); + } + + function init() { + if ( $this->maybe_disable_jp_carousel() ) { + return; + } + + $this->in_jetpack = ( class_exists( 'Jetpack' ) && method_exists( 'Jetpack', 'enable_module_configurable' ) ) ? true : false; + + $this->single_image_gallery_enabled = ! $this->maybe_disable_jp_carousel_single_images(); + $this->single_image_gallery_enabled_media_file = $this->maybe_enable_jp_carousel_single_images_media_file(); + + if ( is_admin() ) { + // Register the Carousel-related related settings + add_action( 'admin_init', array( $this, 'register_settings' ), 5 ); + if ( ! $this->in_jetpack ) { + if ( 0 == $this->test_1or0_option( get_option( 'carousel_enable_it' ), true ) ) { + return; // Carousel disabled, abort early, but still register setting so user can switch it back on + } + } + // If in admin, register the ajax endpoints. + add_action( 'wp_ajax_get_attachment_comments', array( $this, 'get_attachment_comments' ) ); + add_action( 'wp_ajax_nopriv_get_attachment_comments', array( $this, 'get_attachment_comments' ) ); + add_action( 'wp_ajax_post_attachment_comment', array( $this, 'post_attachment_comment' ) ); + add_action( 'wp_ajax_nopriv_post_attachment_comment', array( $this, 'post_attachment_comment' ) ); + } else { + if ( ! $this->in_jetpack ) { + if ( 0 == $this->test_1or0_option( get_option( 'carousel_enable_it' ), true ) ) { + return; // Carousel disabled, abort early + } + } + // If on front-end, do the Carousel thang. + /** + * Filter the array of default prebuilt widths used in Carousel. + * + * @module carousel + * + * @since 1.6.0 + * + * @param array $this->prebuilt_widths Array of default widths. + */ + $this->prebuilt_widths = apply_filters( 'jp_carousel_widths', $this->prebuilt_widths ); + // below: load later than other callbacks hooked it (e.g. 3rd party plugins handling gallery shortcode) + add_filter( 'post_gallery', array( $this, 'check_if_shortcode_processed_and_enqueue_assets' ), 1000, 2 ); + add_filter( 'post_gallery', array( $this, 'set_in_gallery' ), -1000 ); + add_filter( 'gallery_style', array( $this, 'add_data_to_container' ) ); + add_filter( 'wp_get_attachment_image_attributes', array( $this, 'add_data_to_images' ), 10, 2 ); + add_filter( 'the_content', array( $this, 'check_content_for_blocks' ), 1 ); + add_filter( 'jetpack_tiled_galleries_block_content', array( $this, 'add_data_img_tags_and_enqueue_assets' ) ); + if ( $this->single_image_gallery_enabled ) { + add_filter( 'the_content', array( $this, 'add_data_img_tags_and_enqueue_assets' ) ); + } + } + + if ( $this->in_jetpack ) { + Jetpack::enable_module_configurable( dirname( dirname( __FILE__ ) ) . '/carousel.php' ); + } + } + + function maybe_disable_jp_carousel() { + /** + * Allow third-party plugins or themes to disable Carousel. + * + * @module carousel + * + * @since 1.6.0 + * + * @param bool false Should Carousel be disabled? Default to false. + */ + return apply_filters( 'jp_carousel_maybe_disable', false ); + } + + function maybe_disable_jp_carousel_single_images() { + /** + * Allow third-party plugins or themes to disable Carousel for single images. + * + * @module carousel + * + * @since 4.5.0 + * + * @param bool false Should Carousel be disabled for single images? Default to false. + */ + return apply_filters( 'jp_carousel_maybe_disable_single_images', false ); + } + + function maybe_enable_jp_carousel_single_images_media_file() { + /** + * Allow third-party plugins or themes to enable Carousel + * for single images linking to 'Media File' (full size image). + * + * @module carousel + * + * @since 4.5.0 + * + * @param bool false Should Carousel be enabled for single images linking to 'Media File'? Default to false. + */ + return apply_filters( 'jp_carousel_load_for_images_linked_to_file', false ); + } + + function asset_version( $version ) { + /** + * Filter the version string used when enqueuing Carousel assets. + * + * @module carousel + * + * @since 1.6.0 + * + * @param string $version Asset version. + */ + return apply_filters( 'jp_carousel_asset_version', $version ); + } + + function display_bail_message( $output = '' ) { + // Displays a message on top of gallery if carousel has bailed + $message = '<div class="jp-carousel-msg"><p>'; + $message .= __( 'Jetpack\'s Carousel has been disabled, because another plugin or your theme is overriding the [gallery] shortcode.', 'jetpack' ); + $message .= '</p></div>'; + // put before gallery output + $output = $message . $output; + return $output; + } + + function check_if_shortcode_processed_and_enqueue_assets( $output ) { + if ( + class_exists( 'Jetpack_AMP_Support' ) + && Jetpack_AMP_Support::is_amp_request() + ) { + return $output; + } + + if ( + ! empty( $output ) && + /** + * Allow third-party plugins or themes to force-enable Carousel. + * + * @module carousel + * + * @since 1.9.0 + * + * @param bool false Should we force enable Carousel? Default to false. + */ + ! apply_filters( 'jp_carousel_force_enable', false ) + ) { + // Bail because someone is overriding the [gallery] shortcode. + remove_filter( 'gallery_style', array( $this, 'add_data_to_container' ) ); + remove_filter( 'wp_get_attachment_image_attributes', array( $this, 'add_data_to_images' ) ); + remove_filter( 'the_content', array( $this, 'add_data_img_tags_and_enqueue_assets' ) ); + // Display message that carousel has bailed, if user is super_admin, and if we're not on WordPress.com. + if ( + is_super_admin() && + ! ( defined( 'IS_WPCOM' ) && IS_WPCOM ) + ) { + add_filter( 'post_gallery', array( $this, 'display_bail_message' ) ); + } + return $output; + } + + /** + * Fires when thumbnails are shown in Carousel. + * + * @module carousel + * + * @since 1.6.0 + **/ + do_action( 'jp_carousel_thumbnails_shown' ); + + $this->enqueue_assets(); + + return $output; + } + + /** + * Check if the content of a post uses gallery blocks. To be used by 'the_content' filter. + * + * @since 6.8.0 + * + * @param string $content Post content. + * + * @return string $content Post content. + */ + function check_content_for_blocks( $content ) { + if ( + class_exists( 'Jetpack_AMP_Support' ) + && Jetpack_AMP_Support::is_amp_request() + ) { + return $content; + } + + if ( has_block( 'gallery', $content ) || has_block( 'jetpack/tiled-gallery', $content ) ) { + $this->enqueue_assets(); + $content = $this->add_data_to_container( $content ); + } + return $content; + } + + function enqueue_assets() { + if ( $this->first_run ) { + wp_enqueue_script( + 'jetpack-carousel', + Jetpack::get_file_url_for_environment( + '_inc/build/carousel/jetpack-carousel.min.js', + 'modules/carousel/jetpack-carousel.js' + ), + array( 'jquery.spin' ), + $this->asset_version( '20190102' ), + true + ); + + // Note: using home_url() instead of admin_url() for ajaxurl to be sure to get same domain on wpcom when using mapped domains (also works on self-hosted) + // Also: not hardcoding path since there is no guarantee site is running on site root in self-hosted context. + $is_logged_in = is_user_logged_in(); + $current_user = wp_get_current_user(); + $comment_registration = intval( get_option( 'comment_registration' ) ); + $require_name_email = intval( get_option( 'require_name_email' ) ); + $localize_strings = array( + 'widths' => $this->prebuilt_widths, + 'is_logged_in' => $is_logged_in, + 'lang' => strtolower( substr( get_locale(), 0, 2 ) ), + 'ajaxurl' => set_url_scheme( admin_url( 'admin-ajax.php' ) ), + 'nonce' => wp_create_nonce( 'carousel_nonce' ), + 'display_exif' => $this->test_1or0_option( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_display_exif', true ) ), + 'display_geo' => $this->test_1or0_option( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_display_geo', true ) ), + 'single_image_gallery' => $this->single_image_gallery_enabled, + 'single_image_gallery_media_file' => $this->single_image_gallery_enabled_media_file, + 'background_color' => $this->carousel_background_color_sanitize( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_background_color', '' ) ), + 'comment' => __( 'Comment', 'jetpack' ), + 'post_comment' => __( 'Post Comment', 'jetpack' ), + 'write_comment' => __( 'Write a Comment...', 'jetpack' ), + 'loading_comments' => __( 'Loading Comments...', 'jetpack' ), + 'download_original' => sprintf( __( 'View full size <span class="photo-size">%1$s<span class="photo-size-times">×</span>%2$s</span>', 'jetpack' ), '{0}', '{1}' ), + 'no_comment_text' => __( 'Please be sure to submit some text with your comment.', 'jetpack' ), + 'no_comment_email' => __( 'Please provide an email address to comment.', 'jetpack' ), + 'no_comment_author' => __( 'Please provide your name to comment.', 'jetpack' ), + 'comment_post_error' => __( 'Sorry, but there was an error posting your comment. Please try again later.', 'jetpack' ), + 'comment_approved' => __( 'Your comment was approved.', 'jetpack' ), + 'comment_unapproved' => __( 'Your comment is in moderation.', 'jetpack' ), + 'camera' => __( 'Camera', 'jetpack' ), + 'aperture' => __( 'Aperture', 'jetpack' ), + 'shutter_speed' => __( 'Shutter Speed', 'jetpack' ), + 'focal_length' => __( 'Focal Length', 'jetpack' ), + 'copyright' => __( 'Copyright', 'jetpack' ), + 'comment_registration' => $comment_registration, + 'require_name_email' => $require_name_email, + /** This action is documented in core/src/wp-includes/link-template.php */ + 'login_url' => wp_login_url( apply_filters( 'the_permalink', get_permalink() ) ), + 'blog_id' => (int) get_current_blog_id(), + 'meta_data' => array( 'camera', 'aperture', 'shutter_speed', 'focal_length', 'copyright' ), + ); + + if ( ! isset( $localize_strings['jetpack_comments_iframe_src'] ) || empty( $localize_strings['jetpack_comments_iframe_src'] ) ) { + // We're not using Comments after all, so fallback to standard local comments. + + if ( $is_logged_in ) { + $localize_strings['local_comments_commenting_as'] = '<p id="jp-carousel-commenting-as">' . sprintf( __( 'Commenting as %s', 'jetpack' ), $current_user->data->display_name ) . '</p>'; + } else { + if ( $comment_registration ) { + $localize_strings['local_comments_commenting_as'] = '<p id="jp-carousel-commenting-as">' . __( 'You must be <a href="#" class="jp-carousel-comment-login">logged in</a> to post a comment.', 'jetpack' ) . '</p>'; + } else { + $required = ( $require_name_email ) ? __( '%s (Required)', 'jetpack' ) : '%s'; + $localize_strings['local_comments_commenting_as'] = '' + . '<fieldset><label for="email">' . sprintf( $required, __( 'Email', 'jetpack' ) ) . '</label> ' + . '<input type="text" name="email" class="jp-carousel-comment-form-field jp-carousel-comment-form-text-field" id="jp-carousel-comment-form-email-field" /></fieldset>' + . '<fieldset><label for="author">' . sprintf( $required, __( 'Name', 'jetpack' ) ) . '</label> ' + . '<input type="text" name="author" class="jp-carousel-comment-form-field jp-carousel-comment-form-text-field" id="jp-carousel-comment-form-author-field" /></fieldset>' + . '<fieldset><label for="url">' . __( 'Website', 'jetpack' ) . '</label> ' + . '<input type="text" name="url" class="jp-carousel-comment-form-field jp-carousel-comment-form-text-field" id="jp-carousel-comment-form-url-field" /></fieldset>'; + } + } + } + + /** + * Handle WP stats for images in full-screen. + * Build string with tracking info. + */ + + /** + * Filter if Jetpack should enable stats collection on carousel views + * + * @module carousel + * + * @since 4.3.2 + * + * @param bool Enable Jetpack Carousel stat collection. Default false. + */ + if ( apply_filters( 'jetpack_enable_carousel_stats', false ) && in_array( 'stats', Jetpack::get_active_modules() ) && ! Jetpack::is_development_mode() ) { + $localize_strings['stats'] = 'blog=' . Jetpack_Options::get_option( 'id' ) . '&host=' . parse_url( get_option( 'home' ), PHP_URL_HOST ) . '&v=ext&j=' . JETPACK__API_VERSION . ':' . JETPACK__VERSION; + + // Set the stats as empty if user is logged in but logged-in users shouldn't be tracked. + if ( is_user_logged_in() && function_exists( 'stats_get_options' ) ) { + $stats_options = stats_get_options(); + $track_loggedin_users = isset( $stats_options['reg_users'] ) ? (bool) $stats_options['reg_users'] : false; + + if ( ! $track_loggedin_users ) { + $localize_strings['stats'] = ''; + } + } + } + + /** + * Filter the strings passed to the Carousel's js file. + * + * @module carousel + * + * @since 1.6.0 + * + * @param array $localize_strings Array of strings passed to the Jetpack js file. + */ + $localize_strings = apply_filters( 'jp_carousel_localize_strings', $localize_strings ); + wp_localize_script( 'jetpack-carousel', 'jetpackCarouselStrings', $localize_strings ); + wp_enqueue_style( 'jetpack-carousel', plugins_url( 'jetpack-carousel.css', __FILE__ ), array(), $this->asset_version( '20120629' ) ); + wp_style_add_data( 'jetpack-carousel', 'rtl', 'replace' ); + + /** + * Fires after carousel assets are enqueued for the first time. + * Allows for adding additional assets to the carousel page. + * + * @module carousel + * + * @since 1.6.0 + * + * @param bool $first_run First load if Carousel on the page. + * @param array $localized_strings Array of strings passed to the Jetpack js file. + */ + do_action( 'jp_carousel_enqueue_assets', $this->first_run, $localize_strings ); + + $this->first_run = false; + } + } + + function set_in_gallery( $output ) { + if ( + class_exists( 'Jetpack_AMP_Support' ) + && Jetpack_AMP_Support::is_amp_request() + ) { + return $output; + } + $this->in_gallery = true; + return $output; + } + + /** + * Adds data-* attributes required by carousel to img tags in post HTML + * content. To be used by 'the_content' filter. + * + * @see add_data_to_images() + * @see wp_make_content_images_responsive() in wp-includes/media.php + * + * @param string $content HTML content of the post + * @return string Modified HTML content of the post + */ + function add_data_img_tags_and_enqueue_assets( $content ) { + if ( + class_exists( 'Jetpack_AMP_Support' ) + && Jetpack_AMP_Support::is_amp_request() + ) { + return $content; + } + + if ( ! preg_match_all( '/<img [^>]+>/', $content, $matches ) ) { + return $content; + } + $selected_images = array(); + foreach ( $matches[0] as $image_html ) { + if ( preg_match( '/(wp-image-|data-id=)\"?([0-9]+)\"?/i', $image_html, $class_id ) && + ! preg_match( '/wp-block-jetpack-slideshow_image/', $image_html ) ) { + $attachment_id = absint( $class_id[2] ); + /** + * If exactly the same image tag is used more than once, overwrite it. + * All identical tags will be replaced later with 'str_replace()'. + */ + $selected_images[ $attachment_id ] = $image_html; + } + } + + $find = array(); + $replace = array(); + if ( empty( $selected_images ) ) { + return $content; + } + + $attachments = get_posts( + array( + 'include' => array_keys( $selected_images ), + 'post_type' => 'any', + 'post_status' => 'any', + 'suppress_filters' => false, + ) + ); + + foreach ( $attachments as $attachment ) { + $image_html = $selected_images[ $attachment->ID ]; + + $attributes = $this->add_data_to_images( array(), $attachment ); + $attributes_html = ''; + foreach ( $attributes as $k => $v ) { + $attributes_html .= esc_attr( $k ) . '="' . esc_attr( $v ) . '" '; + } + + $find[] = $image_html; + $replace[] = str_replace( '<img ', "<img $attributes_html", $image_html ); + } + + $content = str_replace( $find, $replace, $content ); + $this->enqueue_assets(); + return $content; + } + + function add_data_to_images( $attr, $attachment = null ) { + if ( + class_exists( 'Jetpack_AMP_Support' ) + && Jetpack_AMP_Support::is_amp_request() + ) { + return $attr; + } + + $attachment_id = intval( $attachment->ID ); + if ( ! wp_attachment_is_image( $attachment_id ) ) { + return $attr; + } + + $orig_file = wp_get_attachment_image_src( $attachment_id, 'full' ); + $orig_file = isset( $orig_file[0] ) ? $orig_file[0] : wp_get_attachment_url( $attachment_id ); + $meta = wp_get_attachment_metadata( $attachment_id ); + $size = isset( $meta['width'] ) ? intval( $meta['width'] ) . ',' . intval( $meta['height'] ) : ''; + $img_meta = ( ! empty( $meta['image_meta'] ) ) ? (array) $meta['image_meta'] : array(); + $comments_opened = intval( comments_open( $attachment_id ) ); + + /** + * Note: Cannot generate a filename from the width and height wp_get_attachment_image_src() returns because + * it takes the $content_width global variable themes can set in consideration, therefore returning sizes + * which when used to generate a filename will likely result in a 404 on the image. + * $content_width has no filter we could temporarily de-register, run wp_get_attachment_image_src(), then + * re-register. So using returned file URL instead, which we can define the sizes from through filename + * parsing in the JS, as this is a failsafe file reference. + * + * EG with Twenty Eleven activated: + * array(4) { [0]=> string(82) "http://vanillawpinstall.blah/wp-content/uploads/2012/06/IMG_3534-1024x764.jpg" [1]=> int(584) [2]=> int(435) [3]=> bool(true) } + * + * EG with Twenty Ten activated: + * array(4) { [0]=> string(82) "http://vanillawpinstall.blah/wp-content/uploads/2012/06/IMG_3534-1024x764.jpg" [1]=> int(640) [2]=> int(477) [3]=> bool(true) } + */ + + $medium_file_info = wp_get_attachment_image_src( $attachment_id, 'medium' ); + $medium_file = isset( $medium_file_info[0] ) ? $medium_file_info[0] : ''; + + $large_file_info = wp_get_attachment_image_src( $attachment_id, 'large' ); + $large_file = isset( $large_file_info[0] ) ? $large_file_info[0] : ''; + + $attachment = get_post( $attachment_id ); + $attachment_title = wptexturize( $attachment->post_title ); + $attachment_desc = wpautop( wptexturize( $attachment->post_content ) ); + // Not yet providing geo-data, need to "fuzzify" for privacy + if ( ! empty( $img_meta ) ) { + foreach ( $img_meta as $k => $v ) { + if ( 'latitude' == $k || 'longitude' == $k ) { + unset( $img_meta[ $k ] ); + } + } + } + + // See https://github.com/Automattic/jetpack/issues/2765 + if ( isset( $img_meta['keywords'] ) ) { + unset( $img_meta['keywords'] ); + } + + $img_meta = json_encode( array_map( 'strval', array_filter( $img_meta, 'is_scalar' ) ) ); + + $attr['data-attachment-id'] = $attachment_id; + $attr['data-permalink'] = esc_attr( get_permalink( $attachment->ID ) ); + $attr['data-orig-file'] = esc_attr( $orig_file ); + $attr['data-orig-size'] = $size; + $attr['data-comments-opened'] = $comments_opened; + $attr['data-image-meta'] = esc_attr( $img_meta ); + $attr['data-image-title'] = esc_attr( htmlspecialchars( $attachment_title ) ); + $attr['data-image-description'] = esc_attr( htmlspecialchars( $attachment_desc ) ); + $attr['data-medium-file'] = esc_attr( $medium_file ); + $attr['data-large-file'] = esc_attr( $large_file ); + + return $attr; + } + + function add_data_to_container( $html ) { + global $post; + if ( + class_exists( 'Jetpack_AMP_Support' ) + && Jetpack_AMP_Support::is_amp_request() + ) { + return $html; + } + + if ( isset( $post ) ) { + $blog_id = (int) get_current_blog_id(); + + $extra_data = array( + 'data-carousel-extra' => array( + 'blog_id' => $blog_id, + 'permalink' => get_permalink( $post->ID ), + ), + ); + + /** + * Filter the data added to the Gallery container. + * + * @module carousel + * + * @since 1.6.0 + * + * @param array $extra_data Array of data about the site and the post. + */ + $extra_data = apply_filters( 'jp_carousel_add_data_to_container', $extra_data ); + foreach ( (array) $extra_data as $data_key => $data_values ) { + $html = str_replace( '<div ', '<div ' . esc_attr( $data_key ) . "='" . json_encode( $data_values ) . "' ", $html ); + $html = str_replace( '<ul class="wp-block-gallery', '<ul ' . esc_attr( $data_key ) . "='" . json_encode( $data_values ) . "' class=\"wp-block-gallery", $html ); + } + } + + return $html; + } + + function get_attachment_comments() { + if ( ! headers_sent() ) { + header( 'Content-type: text/javascript' ); + } + + /** + * Allows for the checking of privileges of the blog user before comments + * are packaged as JSON and sent back from the get_attachment_comments + * AJAX endpoint + * + * @module carousel + * + * @since 1.6.0 + */ + do_action( 'jp_carousel_check_blog_user_privileges' ); + + $attachment_id = ( isset( $_REQUEST['id'] ) ) ? (int) $_REQUEST['id'] : 0; + $offset = ( isset( $_REQUEST['offset'] ) ) ? (int) $_REQUEST['offset'] : 0; + + if ( ! $attachment_id ) { + echo json_encode( __( 'Missing attachment ID.', 'jetpack' ) ); + die(); + } + + if ( $offset < 1 ) { + $offset = 0; + } + + $comments = get_comments( + array( + 'status' => 'approve', + 'order' => ( 'asc' == get_option( 'comment_order' ) ) ? 'ASC' : 'DESC', + 'number' => 10, + 'offset' => $offset, + 'post_id' => $attachment_id, + ) + ); + + $out = array(); + + // Can't just send the results, they contain the commenter's email address. + foreach ( $comments as $comment ) { + $avatar = get_avatar( $comment->comment_author_email, 64 ); + if ( ! $avatar ) { + $avatar = ''; + } + $out[] = array( + 'id' => $comment->comment_ID, + 'parent_id' => $comment->comment_parent, + 'author_markup' => get_comment_author_link( $comment->comment_ID ), + 'gravatar_markup' => $avatar, + 'date_gmt' => $comment->comment_date_gmt, + 'content' => wpautop( $comment->comment_content ), + ); + } + + die( json_encode( $out ) ); + } + + function post_attachment_comment() { + if ( ! headers_sent() ) { + header( 'Content-type: text/javascript' ); + } + + if ( empty( $_POST['nonce'] ) || ! wp_verify_nonce( $_POST['nonce'], 'carousel_nonce' ) ) { + die( json_encode( array( 'error' => __( 'Nonce verification failed.', 'jetpack' ) ) ) ); + } + + $_blog_id = (int) $_POST['blog_id']; + $_post_id = (int) $_POST['id']; + $comment = $_POST['comment']; + + if ( empty( $_blog_id ) ) { + die( json_encode( array( 'error' => __( 'Missing target blog ID.', 'jetpack' ) ) ) ); + } + + if ( empty( $_post_id ) ) { + die( json_encode( array( 'error' => __( 'Missing target post ID.', 'jetpack' ) ) ) ); + } + + if ( empty( $comment ) ) { + die( json_encode( array( 'error' => __( 'No comment text was submitted.', 'jetpack' ) ) ) ); + } + + // Used in context like NewDash + $switched = false; + if ( is_multisite() && $_blog_id != get_current_blog_id() ) { + switch_to_blog( $_blog_id ); + $switched = true; + } + + /** This action is documented in modules/carousel/jetpack-carousel.php */ + do_action( 'jp_carousel_check_blog_user_privileges' ); + + if ( ! comments_open( $_post_id ) ) { + die( json_encode( array( 'error' => __( 'Comments on this post are closed.', 'jetpack' ) ) ) ); + } + + if ( is_user_logged_in() ) { + $user = wp_get_current_user(); + $user_id = $user->ID; + $display_name = $user->display_name; + $email = $user->user_email; + $url = $user->user_url; + + if ( empty( $user_id ) ) { + die( json_encode( array( 'error' => __( 'Sorry, but we could not authenticate your request.', 'jetpack' ) ) ) ); + } + } else { + $user_id = 0; + $display_name = $_POST['author']; + $email = $_POST['email']; + $url = $_POST['url']; + + if ( get_option( 'require_name_email' ) ) { + if ( empty( $display_name ) ) { + die( json_encode( array( 'error' => __( 'Please provide your name.', 'jetpack' ) ) ) ); + } + + if ( empty( $email ) ) { + die( json_encode( array( 'error' => __( 'Please provide an email address.', 'jetpack' ) ) ) ); + } + + if ( ! is_email( $email ) ) { + die( json_encode( array( 'error' => __( 'Please provide a valid email address.', 'jetpack' ) ) ) ); + } + } + } + + $comment_data = array( + 'comment_content' => $comment, + 'comment_post_ID' => $_post_id, + 'comment_author' => $display_name, + 'comment_author_email' => $email, + 'comment_author_url' => $url, + 'comment_approved' => 0, + 'comment_type' => '', + ); + + if ( ! empty( $user_id ) ) { + $comment_data['user_id'] = $user_id; + } + + // Note: wp_new_comment() sanitizes and validates the values (too). + $comment_id = wp_new_comment( $comment_data ); + + /** + * Fires before adding a new comment to the database via the get_attachment_comments ajax endpoint. + * + * @module carousel + * + * @since 1.6.0 + */ + do_action( 'jp_carousel_post_attachment_comment' ); + $comment_status = wp_get_comment_status( $comment_id ); + + if ( true == $switched ) { + restore_current_blog(); + } + + die( + json_encode( + array( + 'comment_id' => $comment_id, + 'comment_status' => $comment_status, + ) + ) + ); + } + + function register_settings() { + add_settings_section( 'carousel_section', __( 'Image Gallery Carousel', 'jetpack' ), array( $this, 'carousel_section_callback' ), 'media' ); + + if ( ! $this->in_jetpack ) { + add_settings_field( 'carousel_enable_it', __( 'Enable carousel', 'jetpack' ), array( $this, 'carousel_enable_it_callback' ), 'media', 'carousel_section' ); + register_setting( 'media', 'carousel_enable_it', array( $this, 'carousel_enable_it_sanitize' ) ); + } + + add_settings_field( 'carousel_background_color', __( 'Background color', 'jetpack' ), array( $this, 'carousel_background_color_callback' ), 'media', 'carousel_section' ); + register_setting( 'media', 'carousel_background_color', array( $this, 'carousel_background_color_sanitize' ) ); + + add_settings_field( 'carousel_display_exif', __( 'Metadata', 'jetpack' ), array( $this, 'carousel_display_exif_callback' ), 'media', 'carousel_section' ); + register_setting( 'media', 'carousel_display_exif', array( $this, 'carousel_display_exif_sanitize' ) ); + + // No geo setting yet, need to "fuzzify" data first, for privacy + // add_settings_field('carousel_display_geo', __( 'Geolocation', 'jetpack' ), array( $this, 'carousel_display_geo_callback' ), 'media', 'carousel_section' ); + // register_setting( 'media', 'carousel_display_geo', array( $this, 'carousel_display_geo_sanitize' ) ); + } + + // Fulfill the settings section callback requirement by returning nothing + function carousel_section_callback() { + return; + } + + function test_1or0_option( $value, $default_to_1 = true ) { + if ( true == $default_to_1 ) { + // Binary false (===) of $value means it has not yet been set, in which case we do want to default sites to 1 + if ( false === $value ) { + $value = 1; + } + } + return ( 1 == $value ) ? 1 : 0; + } + + function sanitize_1or0_option( $value ) { + return ( 1 == $value ) ? 1 : 0; + } + + function settings_checkbox( $name, $label_text, $extra_text = '', $default_to_checked = true ) { + if ( empty( $name ) ) { + return; + } + $option = $this->test_1or0_option( get_option( $name ), $default_to_checked ); + echo '<fieldset>'; + echo '<input type="checkbox" name="' . esc_attr( $name ) . '" id="' . esc_attr( $name ) . '" value="1" '; + checked( '1', $option ); + echo '/> <label for="' . esc_attr( $name ) . '">' . $label_text . '</label>'; + if ( ! empty( $extra_text ) ) { + echo '<p class="description">' . $extra_text . '</p>'; + } + echo '</fieldset>'; + } + + function settings_select( $name, $values, $extra_text = '' ) { + if ( empty( $name ) || ! is_array( $values ) || empty( $values ) ) { + return; + } + $option = get_option( $name ); + echo '<fieldset>'; + echo '<select name="' . esc_attr( $name ) . '" id="' . esc_attr( $name ) . '">'; + foreach ( $values as $key => $value ) { + echo '<option value="' . esc_attr( $key ) . '" '; + selected( $key, $option ); + echo '>' . esc_html( $value ) . '</option>'; + } + echo '</select>'; + if ( ! empty( $extra_text ) ) { + echo '<p class="description">' . $extra_text . '</p>'; + } + echo '</fieldset>'; + } + + function carousel_display_exif_callback() { + $this->settings_checkbox( 'carousel_display_exif', __( 'Show photo metadata (<a href="http://en.wikipedia.org/wiki/Exchangeable_image_file_format" rel="noopener noreferrer" target="_blank">Exif</a>) in carousel, when available.', 'jetpack' ) ); + } + + function carousel_display_exif_sanitize( $value ) { + return $this->sanitize_1or0_option( $value ); + } + + function carousel_display_geo_callback() { + $this->settings_checkbox( 'carousel_display_geo', __( 'Show map of photo location in carousel, when available.', 'jetpack' ) ); + } + + function carousel_display_geo_sanitize( $value ) { + return $this->sanitize_1or0_option( $value ); + } + + function carousel_background_color_callback() { + $this->settings_select( + 'carousel_background_color', array( + 'black' => __( 'Black', 'jetpack' ), + 'white' => __( 'White', 'jetpack' ), + ) + ); + } + + function carousel_background_color_sanitize( $value ) { + return ( 'white' == $value ) ? 'white' : 'black'; + } + + function carousel_enable_it_callback() { + $this->settings_checkbox( 'carousel_enable_it', __( 'Display images in full-size carousel slideshow.', 'jetpack' ) ); + } + + function carousel_enable_it_sanitize( $value ) { + return $this->sanitize_1or0_option( $value ); + } +} + +new Jetpack_Carousel; |