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<?php
/**
* Press This class and display functionality
*
* @package WordPress
* @subpackage Press_This
* @since 4.2.0
*/
/**
* Press This class.
*
* @since 4.2.0
*/
class WP_Press_This {
// Used to trigger the bookmarklet update notice.
public $version = 8;
private $images = array();
private $embeds = array();
private $domain = '';
/**
* Constructor.
*
* @since 4.2.0
* @access public
*/
public function __construct() {}
/**
* App and site settings data, including i18n strings for the client-side.
*
* @since 4.2.0
* @access public
*
* @return array Site settings.
*/
public function site_settings() {
return array(
/**
* Filter whether or not Press This should redirect the user in the parent window upon save.
*
* @since 4.2.0
*
* @param bool false Whether to redirect in parent window or not. Default false.
*/
'redirInParent' => apply_filters( 'press_this_redirect_in_parent', false ),
);
}
/**
* Get the source's images and save them locally, for posterity, unless we can't.
*
* @since 4.2.0
* @access public
*
* @param int $post_id Post ID.
* @param string $content Optional. Current expected markup for Press This. Expects slashed. Default empty.
* @return string New markup with old image URLs replaced with the local attachment ones if swapped.
*/
public function side_load_images( $post_id, $content = '' ) {
$content = wp_unslash( $content );
if ( preg_match_all( '/<img [^>]+>/', $content, $matches ) && current_user_can( 'upload_files' ) ) {
foreach ( (array) $matches[0] as $image ) {
// This is inserted from our JS so HTML attributes should always be in double quotes.
if ( ! preg_match( '/src="([^"]+)"/', $image, $url_matches ) ) {
continue;
}
$image_src = $url_matches[1];
// Don't try to sideload a file without a file extension, leads to WP upload error.
if ( ! preg_match( '/[^\?]+\.(?:jpe?g|jpe|gif|png)(?:\?|$)/i', $image_src ) ) {
continue;
}
// Sideload image, which gives us a new image src.
$new_src = media_sideload_image( $image_src, $post_id, null, 'src' );
if ( ! is_wp_error( $new_src ) ) {
// Replace the POSTED content <img> with correct uploaded ones.
// Need to do it in two steps so we don't replace links to the original image if any.
$new_image = str_replace( $image_src, $new_src, $image );
$content = str_replace( $image, $new_image, $content );
}
}
}
// Edxpected slashed
return wp_slash( $content );
}
/**
* AJAX handler for saving the post as draft or published.
*
* @since 4.2.0
* @access public
*/
public function save_post() {
if ( empty( $_POST['post_ID'] ) || ! $post_id = (int) $_POST['post_ID'] ) {
wp_send_json_error( array( 'errorMessage' => __( 'Missing post ID.' ) ) );
}
if ( empty( $_POST['_wpnonce'] ) || ! wp_verify_nonce( $_POST['_wpnonce'], 'update-post_' . $post_id ) ||
! current_user_can( 'edit_post', $post_id ) ) {
wp_send_json_error( array( 'errorMessage' => __( 'Invalid post.' ) ) );
}
$post = array(
'ID' => $post_id,
'post_title' => ( ! empty( $_POST['post_title'] ) ) ? sanitize_text_field( trim( $_POST['post_title'] ) ) : '',
'post_content' => ( ! empty( $_POST['post_content'] ) ) ? trim( $_POST['post_content'] ) : '',
'post_type' => 'post',
'post_status' => 'draft',
'post_format' => ( ! empty( $_POST['post_format'] ) ) ? sanitize_text_field( $_POST['post_format'] ) : '',
'tax_input' => ( ! empty( $_POST['tax_input'] ) ) ? $_POST['tax_input'] : array(),
'post_category' => ( ! empty( $_POST['post_category'] ) ) ? $_POST['post_category'] : array(),
);
if ( ! empty( $_POST['post_status'] ) && 'publish' === $_POST['post_status'] ) {
if ( current_user_can( 'publish_posts' ) ) {
$post['post_status'] = 'publish';
} else {
$post['post_status'] = 'pending';
}
}
$post['post_content'] = $this->side_load_images( $post_id, $post['post_content'] );
$updated = wp_update_post( $post, true );
if ( is_wp_error( $updated ) ) {
wp_send_json_error( array( 'errorMessage' => $updated->get_error_message() ) );
} else {
if ( isset( $post['post_format'] ) ) {
if ( current_theme_supports( 'post-formats', $post['post_format'] ) ) {
set_post_format( $post_id, $post['post_format'] );
} elseif ( $post['post_format'] ) {
set_post_format( $post_id, false );
}
}
if ( 'publish' === get_post_status( $post_id ) ) {
$redirect = get_post_permalink( $post_id );
} else {
$redirect = false;
}
/**
* Filter the URL to redirect to when Press This saves.
*
* @since 4.2.0
*
* @param string $url Redirect URL. If `$status` is 'publish', this will be the post permalink.
* Otherwise, the default is false resulting in no redirect.
* @param int $post_id Post ID.
* @param string $status Post status.
*/
$redirect = apply_filters( 'press_this_save_redirect', $redirect, $post_id, $post['post_status'] );
if ( $redirect ) {
wp_send_json_success( array( 'redirect' => $redirect ) );
} else {
wp_send_json_success( array( 'postSaved' => true ) );
}
}
}
/**
* AJAX handler for adding a new category.
*
* @since 4.2.0
* @access public
*/
public function add_category() {
if ( false === wp_verify_nonce( $_POST['new_cat_nonce'], 'add-category' ) ) {
wp_send_json_error();
}
$taxonomy = get_taxonomy( 'category' );
if ( ! current_user_can( $taxonomy->cap->edit_terms ) || empty( $_POST['name'] ) ) {
wp_send_json_error();
}
$parent = isset( $_POST['parent'] ) && (int) $_POST['parent'] > 0 ? (int) $_POST['parent'] : 0;
$names = explode( ',', $_POST['name'] );
$added = $data = array();
foreach ( $names as $cat_name ) {
$cat_name = trim( $cat_name );
$cat_nicename = sanitize_title( $cat_name );
if ( empty( $cat_nicename ) ) {
continue;
}
// @todo Find a more performant to check existence, maybe get_term() with a separate parent check.
if ( ! $cat_id = term_exists( $cat_name, $taxonomy->name, $parent ) ) {
$cat_id = wp_insert_term( $cat_name, $taxonomy->name, array( 'parent' => $parent ) );
}
if ( is_wp_error( $cat_id ) ) {
continue;
} elseif ( is_array( $cat_id ) ) {
$cat_id = $cat_id['term_id'];
}
$added[] = $cat_id;
}
if ( empty( $added ) ) {
wp_send_json_error( array( 'errorMessage' => __( 'This category cannot be added. Please change the name and try again.' ) ) );
}
foreach ( $added as $new_cat_id ) {
$new_cat = get_category( $new_cat_id );
if ( is_wp_error( $new_cat ) ) {
wp_send_json_error( array( 'errorMessage' => __( 'Error while adding the category. Please try again later.' ) ) );
}
$data[] = array(
'term_id' => $new_cat->term_id,
'name' => $new_cat->name,
'parent' => $new_cat->parent,
);
}
wp_send_json_success( $data );
}
/**
* Downloads the source's HTML via server-side call for the given URL.
*
* @since 4.2.0
* @access public
*
* @param string $url URL to scan.
* @return string Source's HTML sanitized markup
*/
public function fetch_source_html( $url ) {
// Download source page to tmp file.
$source_tmp_file = ( ! empty( $url ) ) ? download_url( $url, 30 ) : '';
$source_content = '';
if ( ! is_wp_error( $source_tmp_file ) && file_exists( $source_tmp_file ) ) {
// Get the content of the source page from the tmp file..
$source_content = wp_kses(
@file_get_contents( $source_tmp_file ),
array(
'img' => array(
'src' => array(),
'width' => array(),
'height' => array(),
),
'iframe' => array(
'src' => array(),
),
'link' => array(
'rel' => array(),
'itemprop' => array(),
'href' => array(),
),
'meta' => array(
'property' => array(),
'name' => array(),
'content' => array(),
)
)
);
// All done with backward compatibility. Let's do some cleanup, for good measure :)
unlink( $source_tmp_file );
} else if ( is_wp_error( $source_tmp_file ) ) {
$source_content = new WP_Error( 'upload-error', sprintf( __( 'Error: %s' ), sprintf( __( 'Could not download the source URL (native error: %s).' ), $source_tmp_file->get_error_message() ) ) );
} else if ( ! file_exists( $source_tmp_file ) ) {
$source_content = new WP_Error( 'no-local-file', sprintf( __( 'Error: %s' ), __( 'Could not save or locate the temporary download file for the source URL.' ) ) );
}
return $source_content;
}
/**
* Utility method to limit an array to 50 values.
*
* @ignore
* @since 4.2.0
*
* @param array $value Array to limit.
* @return array Original array if fewer than 50 values, limited array, empty array otherwise.
*/
private function _limit_array( $value ) {
if ( is_array( $value ) ) {
if ( count( $value ) > 50 ) {
return array_slice( $value, 0, 50 );
}
return $value;
}
return array();
}
/**
* Utility method to limit the length of a given string to 5,000 characters.
*
* @ignore
* @since 4.2.0
*
* @param string $value String to limit.
* @return bool|int|string If boolean or integer, that value. If a string, the original value
* if fewer than 5,000 characters, a truncated version, otherwise an
* empty string.
*/
private function _limit_string( $value ) {
$return = '';
if ( is_numeric( $value ) || is_bool( $value ) ) {
$return = $value;
} else if ( is_string( $value ) ) {
if ( mb_strlen( $value ) > 5000 ) {
$return = mb_substr( $value, 0, 5000 );
} else {
$return = $value;
}
$return = html_entity_decode( $return, ENT_QUOTES, 'UTF-8' );
$return = sanitize_text_field( trim( $return ) );
}
return $return;
}
/**
* Utility method to limit a given URL to 2,048 characters.
*
* @ignore
* @since 4.2.0
*
* @param string $url URL to check for length and validity.
* @return string Escaped URL if of valid length (< 2048) and makeup. Empty string otherwise.
*/
private function _limit_url( $url ) {
if ( ! is_string( $url ) ) {
return '';
}
// HTTP 1.1 allows 8000 chars but the "de-facto" standard supported in all current browsers is 2048.
if ( strlen( $url ) > 2048 ) {
return ''; // Return empty rather than a truncated/invalid URL
}
// Does not look like an URL.
if ( ! preg_match( '/^([!#$&-;=?-\[\]_a-z~]|%[0-9a-fA-F]{2})+$/', $url ) ) {
return '';
}
// If the URL is root-relative, prepend the protocol and domain name
if ( $url && $this->domain && preg_match( '%^/[^/]+%', $url ) ) {
$url = $this->domain . $url;
}
// Not absolute or protocol-relative URL.
if ( ! preg_match( '%^(?:https?:)?//[^/]+%', $url ) ) {
return '';
}
return esc_url_raw( $url, array( 'http', 'https' ) );
}
/**
* Utility method to limit image source URLs.
*
* Excluded URLs include share-this type buttons, loaders, spinners, spacers, WP interface images,
* tiny buttons or thumbs, mathtag.com or quantserve.com images, or the WP stats gif.
*
* @ignore
* @since 4.2.0
*
* @param string $src Image source URL.
* @return string If not matched an excluded URL type, the original URL, empty string otherwise.
*/
private function _limit_img( $src ) {
$src = $this->_limit_url( $src );
if ( preg_match( '/\/ad[sx]{1}?\//', $src ) ) {
// Ads
return '';
} else if ( preg_match( '/(\/share-?this[^\.]+?\.[a-z0-9]{3,4})(\?.*)?$/', $src ) ) {
// Share-this type button
return '';
} else if ( preg_match( '/\/(spinner|loading|spacer|blank|rss)\.(gif|jpg|png)/', $src ) ) {
// Loaders, spinners, spacers
return '';
} else if ( preg_match( '/\/([^\.\/]+[-_]{1})?(spinner|loading|spacer|blank)s?([-_]{1}[^\.\/]+)?\.[a-z0-9]{3,4}/', $src ) ) {
// Fancy loaders, spinners, spacers
return '';
} else if ( preg_match( '/([^\.\/]+[-_]{1})?thumb[^.]*\.(gif|jpg|png)$/', $src ) ) {
// Thumbnails, too small, usually irrelevant to context
return '';
} else if ( preg_match( '/\/wp-includes\//', $src ) ) {
// Classic WP interface images
return '';
} else if ( preg_match( '/[^\d]{1}\d{1,2}x\d+\.(gif|jpg|png)$/', $src ) ) {
// Most often tiny buttons/thumbs (< 100px wide)
return '';
} else if ( preg_match( '/\/pixel\.(mathtag|quantserve)\.com/', $src ) ) {
// See mathtag.com and https://www.quantcast.com/how-we-do-it/iab-standard-measurement/how-we-collect-data/
return '';
} else if ( preg_match( '/\/[gb]\.gif(\?.+)?$/', $src ) ) {
// Classic WP stats gif
return '';
}
return $src;
}
/**
* Limit embed source URLs to specific providers.
*
* Not all core oEmbed providers are supported. Supported providers include YouTube, Vimeo,
* Vine, Daily Motion, SoundCloud, and Twitter.
*
* @ignore
* @since 4.2.0
*
* @param string $src Embed source URL.
* @return string If not from a supported provider, an empty string. Otherwise, a reformattd embed URL.
*/
private function _limit_embed( $src ) {
$src = $this->_limit_url( $src );
if ( preg_match( '/\/\/(m|www)\.youtube\.com\/(embed|v)\/([^\?]+)\?.+$/', $src, $src_matches ) ) {
// Embedded Youtube videos (www or mobile)
$src = 'https://www.youtube.com/watch?v=' . $src_matches[3];
} else if ( preg_match( '/\/\/player\.vimeo\.com\/video\/([\d]+)([\?\/]{1}.*)?$/', $src, $src_matches ) ) {
// Embedded Vimeo iframe videos
$src = 'https://vimeo.com/' . (int) $src_matches[1];
} else if ( preg_match( '/\/\/vimeo\.com\/moogaloop\.swf\?clip_id=([\d]+)$/', $src, $src_matches ) ) {
// Embedded Vimeo Flash videos
$src = 'https://vimeo.com/' . (int) $src_matches[1];
} else if ( preg_match( '/\/\/vine\.co\/v\/([^\/]+)\/embed/', $src, $src_matches ) ) {
// Embedded Vine videos
$src = 'https://vine.co/v/' . $src_matches[1];
} else if ( preg_match( '/\/\/(www\.)?dailymotion\.com\/embed\/video\/([^\/\?]+)([\/\?]{1}.+)?/', $src, $src_matches ) ) {
// Embedded Daily Motion videos
$src = 'https://www.dailymotion.com/video/' . $src_matches[2];
} else if ( ! preg_match( '/\/\/(m|www)\.youtube\.com\/watch\?/', $src ) // Youtube video page (www or mobile)
&& ! preg_match( '/\/youtu\.be\/.+$/', $src ) // Youtu.be video page
&& ! preg_match( '/\/\/vimeo\.com\/[\d]+$/', $src ) // Vimeo video page
&& ! preg_match( '/\/\/(www\.)?dailymotion\.com\/video\/.+$/', $src ) // Daily Motion video page
&& ! preg_match( '/\/\/soundcloud\.com\/.+$/', $src ) // SoundCloud audio page
&& ! preg_match( '/\/\/twitter\.com\/[^\/]+\/status\/[\d]+$/', $src ) // Twitter status page
&& ! preg_match( '/\/\/vine\.co\/v\/[^\/]+/', $src ) ) { // Vine video page
$src = '';
}
return $src;
}
/**
* Process a meta data entry from the source.
*
* @ignore
* @since 4.2.0
*
* @param string $meta_name Meta key name.
* @param mixed $meta_value Meta value.
* @param array $data Associative array of source data.
* @return array Processed data array.
*/
private function _process_meta_entry( $meta_name, $meta_value, $data ) {
if ( preg_match( '/:?(title|description|keywords|site_name)$/', $meta_name ) ) {
$data['_meta'][ $meta_name ] = $meta_value;
} else {
switch ( $meta_name ) {
case 'og:url':
case 'og:video':
case 'og:video:secure_url':
$meta_value = $this->_limit_embed( $meta_value );
if ( ! isset( $data['_embeds'] ) ) {
$data['_embeds'] = array();
}
if ( ! empty( $meta_value ) && ! in_array( $meta_value, $data['_embeds'] ) ) {
$data['_embeds'][] = $meta_value;
}
break;
case 'og:image':
case 'og:image:secure_url':
case 'twitter:image0:src':
case 'twitter:image0':
case 'twitter:image:src':
case 'twitter:image':
$meta_value = $this->_limit_img( $meta_value );
if ( ! isset( $data['_images'] ) ) {
$data['_images'] = array();
}
if ( ! empty( $meta_value ) && ! in_array( $meta_value, $data['_images'] ) ) {
$data['_images'][] = $meta_value;
}
break;
}
}
return $data;
}
/**
* Fetches and parses _meta, _images, and _links data from the source.
*
* @since 4.2.0
* @access public
*
* @param string $url URL to scan.
* @param array $data Optional. Existing data array if you have one. Default empty array.
* @return array New data array.
*/
public function source_data_fetch_fallback( $url, $data = array() ) {
if ( empty( $url ) ) {
return array();
}
// Download source page to tmp file.
$source_content = $this->fetch_source_html( $url );
if ( is_wp_error( $source_content ) ) {
return array( 'errors' => $source_content->get_error_messages() );
}
// Fetch and gather <meta> data first, so discovered media is offered 1st to user.
if ( empty( $data['_meta'] ) ) {
$data['_meta'] = array();
}
if ( preg_match_all( '/<meta [^>]+>/', $source_content, $matches ) ) {
$items = $this->_limit_array( $matches[0] );
foreach ( $items as $value ) {
if ( preg_match( '/(property|name)="([^"]+)"[^>]+content="([^"]+)"/', $value, $new_matches ) ) {
$meta_name = $this->_limit_string( $new_matches[2] );
$meta_value = $this->_limit_string( $new_matches[3] );
// Sanity check. $key is usually things like 'title', 'description', 'keywords', etc.
if ( strlen( $meta_name ) > 100 ) {
continue;
}
$data = $this->_process_meta_entry( $meta_name, $meta_value, $data );
}
}
}
// Fetch and gather <img> data.
if ( empty( $data['_images'] ) ) {
$data['_images'] = array();
}
if ( preg_match_all( '/<img [^>]+>/', $source_content, $matches ) ) {
$items = $this->_limit_array( $matches[0] );
foreach ( $items as $value ) {
if ( ( preg_match( '/width=(\'|")(\d+)\\1/i', $value, $new_matches ) && $new_matches[2] < 256 ) ||
( preg_match( '/height=(\'|")(\d+)\\1/i', $value, $new_matches ) && $new_matches[2] < 128 ) ) {
continue;
}
if ( preg_match( '/src=(\'|")([^\'"]+)\\1/i', $value, $new_matches ) ) {
$src = $this->_limit_img( $new_matches[2] );
if ( ! empty( $src ) && ! in_array( $src, $data['_images'] ) ) {
$data['_images'][] = $src;
}
}
}
}
// Fetch and gather <iframe> data.
if ( empty( $data['_embeds'] ) ) {
$data['_embeds'] = array();
}
if ( preg_match_all( '/<iframe [^>]+>/', $source_content, $matches ) ) {
$items = $this->_limit_array( $matches[0] );
foreach ( $items as $value ) {
if ( preg_match( '/src=(\'|")([^\'"]+)\\1/', $value, $new_matches ) ) {
$src = $this->_limit_embed( $new_matches[2] );
if ( ! empty( $src ) && ! in_array( $src, $data['_embeds'] ) ) {
$data['_embeds'][] = $src;
}
}
}
}
// Fetch and gather <link> data.
if ( empty( $data['_links'] ) ) {
$data['_links'] = array();
}
if ( preg_match_all( '/<link [^>]+>/', $source_content, $matches ) ) {
$items = $this->_limit_array( $matches[0] );
foreach ( $items as $value ) {
if ( preg_match( '/rel=["\'](canonical|shortlink|icon)["\']/i', $value, $matches_rel ) && preg_match( '/href=[\'"]([^\'" ]+)[\'"]/i', $value, $matches_url ) ) {
$rel = $matches_rel[1];
$url = $this->_limit_url( $matches_url[1] );
if ( ! empty( $url ) && empty( $data['_links'][ $rel ] ) ) {
$data['_links'][ $rel ] = $url;
}
}
}
}
return $data;
}
/**
* Handles backward-compat with the legacy version of Press This by supporting its query string params.
*
* @since 4.2.0
* @access public
*
* @return array
*/
public function merge_or_fetch_data() {
// Get data from $_POST and $_GET, as appropriate ($_POST > $_GET), to remain backward compatible.
$data = array();
// Only instantiate the keys we want. Sanity check and sanitize each one.
foreach ( array( 'u', 's', 't', 'v' ) as $key ) {
if ( ! empty( $_POST[ $key ] ) ) {
$value = wp_unslash( $_POST[ $key ] );
} else if ( ! empty( $_GET[ $key ] ) ) {
$value = wp_unslash( $_GET[ $key ] );
} else {
continue;
}
if ( 'u' === $key ) {
$value = $this->_limit_url( $value );
if ( preg_match( '%^(?:https?:)?//[^/]+%i', $value, $domain_match ) ) {
$this->domain = $domain_match[0];
}
} else {
$value = $this->_limit_string( $value );
}
if ( ! empty( $value ) ) {
$data[ $key ] = $value;
}
}
/**
* Filter whether to enable in-source media discovery in Press This.
*
* @since 4.2.0
*
* @param bool $enable Whether to enable media discovery.
*/
if ( apply_filters( 'enable_press_this_media_discovery', true ) ) {
/*
* If no title, _images, _embed, and _meta was passed via $_POST, fetch data from source as fallback,
* making PT fully backward compatible with the older bookmarklet.
*/
if ( empty( $_POST ) && ! empty( $data['u'] ) ) {
$data = $this->source_data_fetch_fallback( $data['u'], $data );
} else {
foreach ( array( '_images', '_embeds' ) as $type ) {
if ( empty( $_POST[ $type ] ) ) {
continue;
}
$data[ $type ] = array();
$items = $this->_limit_array( $_POST[ $type ] );
foreach ( $items as $key => $value ) {
if ( $type === '_images' ) {
$value = $this->_limit_img( wp_unslash( $value ) );
} else {
$value = $this->_limit_embed( wp_unslash( $value ) );
}
if ( ! empty( $value ) ) {
$data[ $type ][] = $value;
}
}
}
foreach ( array( '_meta', '_links' ) as $type ) {
if ( empty( $_POST[ $type ] ) ) {
continue;
}
$data[ $type ] = array();
$items = $this->_limit_array( $_POST[ $type ] );
foreach ( $items as $key => $value ) {
// Sanity check. These are associative arrays, $key is usually things like 'title', 'description', 'keywords', etc.
if ( empty( $key ) || strlen( $key ) > 100 ) {
continue;
}
if ( $type === '_meta' ) {
$value = $this->_limit_string( wp_unslash( $value ) );
if ( ! empty( $value ) ) {
$data = $this->_process_meta_entry( $key, $value, $data );
}
} else {
if ( in_array( $key, array( 'canonical', 'shortlink', 'icon' ), true ) ) {
$data[ $type ][ $key ] = $this->_limit_url( wp_unslash( $value ) );
}
}
}
}
}
}
/**
* Filter the Press This data array.
*
* @since 4.2.0
*
* @param array $data Press This Data array.
*/
return apply_filters( 'press_this_data', $data );
}
/**
* Adds another stylesheet inside TinyMCE.
*
* @since 4.2.0
* @access public
*
* @param string $styles URL to editor stylesheet.
* @return string Possibly modified stylesheets list.
*/
public function add_editor_style( $styles ) {
if ( ! empty( $styles ) ) {
$styles .= ',';
}
$press_this = admin_url( 'css/press-this-editor.css' );
if ( is_rtl() ) {
$press_this = str_replace( '.css', '-rtl.css', $press_this );
}
return $styles . $press_this;
}
/**
* Outputs the post format selection HTML.
*
* @since 4.2.0
* @access public
*
* @param WP_Post $post Post object.
*/
public function post_formats_html( $post ) {
if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) ) {
$post_formats = get_theme_support( 'post-formats' );
if ( is_array( $post_formats[0] ) ) {
$post_format = get_post_format( $post->ID );
if ( ! $post_format ) {
$post_format = '0';
}
// Add in the current one if it isn't there yet, in case the current theme doesn't support it.
if ( $post_format && ! in_array( $post_format, $post_formats[0] ) ) {
$post_formats[0][] = $post_format;
}
?>
<div id="post-formats-select">
<fieldset><legend class="screen-reader-text"><?php _e( 'Post formats' ); ?></legend>
<input type="radio" name="post_format" class="post-format" id="post-format-0" value="0" <?php checked( $post_format, '0' ); ?> />
<label for="post-format-0" class="post-format-icon post-format-standard"><?php echo get_post_format_string( 'standard' ); ?></label>
<?php
foreach ( $post_formats[0] as $format ) {
$attr_format = esc_attr( $format );
?>
<br />
<input type="radio" name="post_format" class="post-format" id="post-format-<?php echo $attr_format; ?>" value="<?php echo $attr_format; ?>" <?php checked( $post_format, $format ); ?> />
<label for="post-format-<?php echo $attr_format ?>" class="post-format-icon post-format-<?php echo $attr_format; ?>"><?php echo esc_html( get_post_format_string( $format ) ); ?></label>
<?php
}
?>
</fieldset>
</div>
<?php
}
}
}
/**
* Outputs the categories HTML.
*
* @since 4.2.0
* @access public
*
* @param WP_Post $post Post object.
*/
public function categories_html( $post ) {
$taxonomy = get_taxonomy( 'category' );
if ( current_user_can( $taxonomy->cap->edit_terms ) ) {
?>
<button type="button" class="add-cat-toggle button-subtle" aria-expanded="false">
<span class="dashicons dashicons-plus"></span><span class="screen-reader-text"><?php _e( 'Toggle add category' ); ?></span>
</button>
<div class="add-category is-hidden">
<label class="screen-reader-text" for="new-category"><?php echo $taxonomy->labels->add_new_item; ?></label>
<input type="text" id="new-category" class="add-category-name" placeholder="<?php echo esc_attr( $taxonomy->labels->new_item_name ); ?>" value="" aria-required="true">
<label class="screen-reader-text" for="new-category-parent"><?php echo $taxonomy->labels->parent_item_colon; ?></label>
<div class="postform-wrapper">
<?php
wp_dropdown_categories( array(
'taxonomy' => 'category',
'hide_empty' => 0,
'name' => 'new-category-parent',
'orderby' => 'name',
'hierarchical' => 1,
'show_option_none' => '— ' . $taxonomy->labels->parent_item . ' —'
) );
?>
</div>
<button type="button" class="add-cat-submit"><?php _e( 'Add' ); ?></button>
</div>
<?php
}
?>
<div class="categories-search-wrapper">
<input id="categories-search" type="search" class="categories-search" placeholder="<?php esc_attr_e( 'Search categories by name' ) ?>">
<label for="categories-search">
<span class="dashicons dashicons-search"></span><span class="screen-reader-text"><?php _e( 'Search categories' ); ?></span>
</label>
</div>
<div aria-label="<?php esc_attr_e( 'Categories' ); ?>">
<ul class="categories-select">
<?php wp_terms_checklist( $post->ID, array( 'taxonomy' => 'category', 'list_only' => true ) ); ?>
</ul>
</div>
<?php
}
/**
* Outputs the tags HTML.
*
* @since 4.2.0
* @access public
*
* @param WP_Post $post Post object.
*/
public function tags_html( $post ) {
$taxonomy = get_taxonomy( 'post_tag' );
$user_can_assign_terms = current_user_can( $taxonomy->cap->assign_terms );
$esc_tags = get_terms_to_edit( $post->ID, 'post_tag' );
if ( ! $esc_tags || is_wp_error( $esc_tags ) ) {
$esc_tags = '';
}
?>
<div class="tagsdiv" id="post_tag">
<div class="jaxtag">
<input type="hidden" name="tax_input[post_tag]" class="the-tags" value="<?php echo $esc_tags; // escaped in get_terms_to_edit() ?>">
<?php
if ( $user_can_assign_terms ) {
?>
<div class="ajaxtag hide-if-no-js">
<label class="screen-reader-text" for="new-tag-post_tag"><?php _e( 'Tags' ); ?></label>
<p>
<input type="text" id="new-tag-post_tag" name="newtag[post_tag]" class="newtag form-input-tip" size="16" autocomplete="off" value="" aria-describedby="new-tag-desc" />
<button type="button" class="tagadd"><?php _e( 'Add' ); ?></button>
</p>
</div>
<p class="howto" id="new-tag-desc">
<?php echo $taxonomy->labels->separate_items_with_commas; ?>
</p>
<?php
}
?>
</div>
<div class="tagchecklist"></div>
</div>
<?php
if ( $user_can_assign_terms ) {
?>
<button type="button" class="button-reset button-link tagcloud-link" id="link-post_tag"><?php echo $taxonomy->labels->choose_from_most_used; ?></button>
<?php
}
}
/**
* Get a list of embeds with no duplicates.
*
* @since 4.2.0
* @access public
*
* @param array $data The site's data.
* @returns array Embeds selected to be available.
*/
public function get_embeds( $data ) {
$selected_embeds = array();
if ( ! empty( $data['_embeds'] ) ) {
foreach( $data['_embeds'] as $src ) {
$prot_relative_src = preg_replace( '/^https?:/', '', $src );
if ( in_array( $prot_relative_src, $this->embeds ) ) {
continue;
}
$selected_embeds[] = $src;
$this->embeds[] = $prot_relative_src;
}
}
return $selected_embeds;
}
/**
* Get a list of images with no duplicates.
*
* @since 4.2.0
* @access public
*
* @param array $data The site's data.
* @returns array
*/
public function get_images( $data ) {
$selected_images = array();
if ( ! empty( $data['_images'] ) ) {
foreach( $data['_images'] as $src ) {
if ( false !== strpos( $src, 'gravatar.com' ) ) {
$src = preg_replace( '%http://[\d]+\.gravatar\.com/%', 'https://secure.gravatar.com/', $src );
}
$prot_relative_src = preg_replace( '/^https?:/', '', $src );
if ( in_array( $prot_relative_src, $this->images ) ||
( false !== strpos( $src, 'avatar' ) && count( $this->images ) > 15 ) ) {
// Skip: already selected or some type of avatar and we've already gathered more than 15 images.
continue;
}
$selected_images[] = $src;
$this->images[] = $prot_relative_src;
}
}
return $selected_images;
}
/**
* Gets the source page's canonical link, based on passed location and meta data.
*
* @since 4.2.0
* @access public
*
* @param array $data The site's data.
* @returns string Discovered canonical URL, or empty
*/
public function get_canonical_link( $data ) {
$link = '';
if ( ! empty( $data['_links']['canonical'] ) ) {
$link = $data['_links']['canonical'];
} elseif ( ! empty( $data['u'] ) ) {
$link = $data['u'];
} elseif ( ! empty( $data['_meta'] ) ) {
if ( ! empty( $data['_meta']['twitter:url'] ) ) {
$link = $data['_meta']['twitter:url'];
} else if ( ! empty( $data['_meta']['og:url'] ) ) {
$link = $data['_meta']['og:url'];
}
}
if ( empty( $link ) && ! empty( $data['_links']['shortlink'] ) ) {
$link = $data['_links']['shortlink'];
}
return $link;
}
/**
* Gets the source page's site name, based on passed meta data.
*
* @since 4.2.0
* @access public
*
* @param array $data The site's data.
* @returns string Discovered site name, or empty
*/
public function get_source_site_name( $data ) {
$name = '';
if ( ! empty( $data['_meta'] ) ) {
if ( ! empty( $data['_meta']['og:site_name'] ) ) {
$name = $data['_meta']['og:site_name'];
} else if ( ! empty( $data['_meta']['application-name'] ) ) {
$name = $data['_meta']['application-name'];
}
}
return $name;
}
/**
* Gets the source page's title, based on passed title and meta data.
*
* @since 4.2.0
* @access public
*
* @param array $data The site's data.
* @returns string Discovered page title, or empty
*/
public function get_suggested_title( $data ) {
$title = '';
if ( ! empty( $data['t'] ) ) {
$title = $data['t'];
} elseif( ! empty( $data['_meta'] ) ) {
if ( ! empty( $data['_meta']['twitter:title'] ) ) {
$title = $data['_meta']['twitter:title'];
} else if ( ! empty( $data['_meta']['og:title'] ) ) {
$title = $data['_meta']['og:title'];
} else if ( ! empty( $data['_meta']['title'] ) ) {
$title = $data['_meta']['title'];
}
}
return $title;
}
/**
* Gets the source page's suggested content, based on passed data (description, selection, etc).
*
* Features a blockquoted excerpt, as well as content attribution, if any.
*
* @since 4.2.0
* @access public
*
* @param array $data The site's data.
* @returns string Discovered content, or empty
*/
public function get_suggested_content( $data ) {
$content = $text = '';
if ( ! empty( $data['s'] ) ) {
$text = $data['s'];
} else if ( ! empty( $data['_meta'] ) ) {
if ( ! empty( $data['_meta']['twitter:description'] ) ) {
$text = $data['_meta']['twitter:description'];
} else if ( ! empty( $data['_meta']['og:description'] ) ) {
$text = $data['_meta']['og:description'];
} else if ( ! empty( $data['_meta']['description'] ) ) {
$text = $data['_meta']['description'];
}
// If there is an ellipsis at the end, the description is very likely auto-generated. Better to ignore it.
if ( $text && substr( $text, -3 ) === '...' ) {
$text = '';
}
}
$default_html = array( 'quote' => '', 'link' => '', 'embed' => '' );
require_once( ABSPATH . WPINC . '/class-oembed.php' );
$oembed = _wp_oembed_get_object();
if ( ! empty( $data['u'] ) && $oembed->get_provider( $data['u'], array( 'discover' => false ) ) ) {
$default_html['embed'] = '<p>[embed]' . $data['u'] . '[/embed]</p>';
if ( ! empty( $data['s'] ) ) {
// If the user has selected some text, do quote it.
$default_html['quote'] = '<blockquote>%1$s</blockquote>';
}
} else {
$default_html['quote'] = '<blockquote>%1$s</blockquote>';
$default_html['link'] = '<p>' . _x( 'Source:', 'Used in Press This to indicate where the content comes from.' ) .
' <em><a href="%1$s">%2$s</a></em></p>';
}
/**
* Filter the default HTML for the Press This editor.
*
* @since 4.2.0
*
* @param array $default_html Associative array with two keys: 'quote' where %1$s is replaced with the site description
* or the selected content, and 'link' there %1$s is link href, %2$s is link text.
*/
$default_html = apply_filters( 'press_this_suggested_html', $default_html, $data );
if ( ! empty( $default_html['embed'] ) ) {
$content .= $default_html['embed'];
}
// Wrap suggested content in the specified HTML.
if ( ! empty( $default_html['quote'] ) && $text ) {
$content .= sprintf( $default_html['quote'], $text );
}
// Add source attribution if there is one available.
if ( ! empty( $default_html['link'] ) ) {
$title = $this->get_suggested_title( $data );
$url = $this->get_canonical_link( $data );
if ( ! $title ) {
$title = $this->get_source_site_name( $data );
}
if ( $url && $title ) {
$content .= sprintf( $default_html['link'], $url, $title );
}
}
return $content;
}
/**
* Serves the app's base HTML, which in turns calls the load script.
*
* @since 4.2.0
* @access public
*/
public function html() {
global $wp_locale, $wp_version;
// Get data, new (POST) and old (GET).
$data = $this->merge_or_fetch_data();
$post_title = $this->get_suggested_title( $data );
if ( empty( $title ) ) {
$title = __( 'New Post' );
}
$post_content = $this->get_suggested_content( $data );
// Get site settings array/data.
$site_settings = $this->site_settings();
// Pass the images and embeds
$images = $this->get_images( $data );
$embeds = $this->get_embeds( $data );
$site_data = array(
'v' => ! empty( $data['v'] ) ? $data['v'] : '',
'u' => ! empty( $data['u'] ) ? $data['u'] : '',
'hasData' => ! empty( $data ),
);
if ( ! empty( $images ) ) {
$site_data['_images'] = $images;
}
if ( ! empty( $embeds ) ) {
$site_data['_embeds'] = $embeds;
}
// Add press-this-editor.css and remove theme's editor-style.css, if any.
remove_editor_styles();
add_filter( 'mce_css', array( $this, 'add_editor_style' ) );
if ( ! empty( $GLOBALS['is_IE'] ) ) {
@header( 'X-UA-Compatible: IE=edge' );
}
@header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) );
?>
<!DOCTYPE html>
<!--[if IE 7]> <html class="lt-ie9 lt-ie8" <?php language_attributes(); ?>> <![endif]-->
<!--[if IE 8]> <html class="lt-ie9" <?php language_attributes(); ?>> <![endif]-->
<!--[if gt IE 8]><!--> <html <?php language_attributes(); ?>> <!--<![endif]-->
<head>
<meta http-equiv="Content-Type" content="<?php echo esc_attr( get_bloginfo( 'html_type' ) ); ?>; charset=<?php echo esc_attr( get_option( 'blog_charset' ) ); ?>" />
<meta name="viewport" content="width=device-width">
<title><?php esc_html_e( 'Press This!' ) ?></title>
<script>
window.wpPressThisData = <?php echo wp_json_encode( $site_data ); ?>;
window.wpPressThisConfig = <?php echo wp_json_encode( $site_settings ); ?>;
</script>
<script type="text/javascript">
var ajaxurl = '<?php echo esc_js( admin_url( 'admin-ajax.php', 'relative' ) ); ?>',
pagenow = 'press-this',
typenow = 'post',
adminpage = 'press-this-php',
thousandsSeparator = '<?php echo addslashes( $wp_locale->number_format['thousands_sep'] ); ?>',
decimalPoint = '<?php echo addslashes( $wp_locale->number_format['decimal_point'] ); ?>',
isRtl = <?php echo (int) is_rtl(); ?>;
</script>
<?php
/*
* $post->ID is needed for the embed shortcode so we can show oEmbed previews in the editor.
* Maybe find a way without it.
*/
$post = get_default_post_to_edit( 'post', true );
$post_ID = (int) $post->ID;
wp_enqueue_media( array( 'post' => $post_ID ) );
wp_enqueue_style( 'press-this' );
wp_enqueue_script( 'press-this' );
wp_enqueue_script( 'json2' );
wp_enqueue_script( 'editor' );
$supports_formats = false;
$post_format = 0;
if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) ) {
$supports_formats = true;
if ( ! ( $post_format = get_post_format( $post_ID ) ) ) {
$post_format = 0;
}
}
/** This action is documented in wp-admin/admin-header.php */
do_action( 'admin_enqueue_scripts', 'press-this.php' );
/** This action is documented in wp-admin/admin-header.php */
do_action( 'admin_print_styles-press-this.php' );
/** This action is documented in wp-admin/admin-header.php */
do_action( 'admin_print_styles' );
/** This action is documented in wp-admin/admin-header.php */
do_action( 'admin_print_scripts-press-this.php' );
/** This action is documented in wp-admin/admin-header.php */
do_action( 'admin_print_scripts' );
/** This action is documented in wp-admin/admin-header.php */
do_action( 'admin_head-press-this.php' );
/** This action is documented in wp-admin/admin-header.php */
do_action( 'admin_head' );
?>
</head>
<?php
$admin_body_class = 'press-this';
$admin_body_class .= ( is_rtl() ) ? ' rtl' : '';
$admin_body_class .= ' branch-' . str_replace( array( '.', ',' ), '-', floatval( $wp_version ) );
$admin_body_class .= ' version-' . str_replace( '.', '-', preg_replace( '/^([.0-9]+).*/', '$1', $wp_version ) );
$admin_body_class .= ' admin-color-' . sanitize_html_class( get_user_option( 'admin_color' ), 'fresh' );
$admin_body_class .= ' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_locale() ) ) );
/** This filter is documented in wp-admin/admin-header.php */
$admin_body_classes = apply_filters( 'admin_body_class', '' );
?>
<body class="wp-admin wp-core-ui <?php echo $admin_body_classes . ' ' . $admin_body_class; ?>">
<div id="adminbar" class="adminbar">
<h1 id="current-site" class="current-site">
<a class="current-site-link" href="<?php echo esc_url( home_url( '/' ) ); ?>" target="_blank" rel="home">
<span class="dashicons dashicons-wordpress"></span>
<span class="current-site-name"><?php bloginfo( 'name' ); ?></span>
</a>
</h1>
<button type="button" class="options button-subtle closed">
<span class="dashicons dashicons-tag on-closed"></span>
<span class="screen-reader-text on-closed"><?php _e( 'Show post options' ); ?></span>
<span aria-hidden="true" class="on-open"><?php _e( 'Done' ); ?></span>
<span class="screen-reader-text on-open"><?php _e( 'Hide post options' ); ?></span>
</button>
</div>
<div id="scanbar" class="scan">
<form method="GET">
<label for="url-scan" class="screen-reader-text"><?php _e( 'Scan site for content' ); ?></label>
<input type="url" name="u" id="url-scan" class="scan-url" value="" placeholder="<?php esc_attr_e( 'Enter a URL to scan' ) ?>" />
<input type="submit" name="url-scan-submit" id="url-scan-submit" class="scan-submit" value="<?php esc_attr_e( 'Scan' ) ?>" />
</form>
</div>
<form id="pressthis-form" method="post" action="post.php" autocomplete="off">
<input type="hidden" name="post_ID" id="post_ID" value="<?php echo $post_ID; ?>" />
<input type="hidden" name="action" value="press-this-save-post" />
<input type="hidden" name="post_status" id="post_status" value="draft" />
<input type="hidden" name="wp-preview" id="wp-preview" value="" />
<input type="hidden" name="post_title" id="post_title" value="" />
<?php
wp_nonce_field( 'update-post_' . $post_ID, '_wpnonce', false );
wp_nonce_field( 'add-category', '_ajax_nonce-add-category', false );
?>
<div class="wrapper">
<div class="editor-wrapper">
<div class="alerts" role="alert" aria-live="assertive" aria-relevant="all" aria-atomic="true">
<?php
if ( isset( $data['v'] ) && $this->version > $data['v'] ) {
?>
<p class="alert is-notice">
<?php printf( __( 'You should upgrade <a href="%s" target="_blank">your bookmarklet</a> to the latest version!' ), admin_url( 'tools.php' ) ); ?>
</p>
<?php
}
?>
</div>
<div id="app-container" class="editor">
<span id="title-container-label" class="post-title-placeholder" aria-hidden="true"><?php _e( 'Post title' ); ?></span>
<h2 id="title-container" class="post-title" contenteditable="true" spellcheck="true" aria-label="<?php esc_attr_e( 'Post title' ); ?>" tabindex="0"><?php echo esc_html( $post_title ); ?></h2>
<div class="media-list-container">
<div class="media-list-inner-container">
<h2 class="screen-reader-text"><?php _e( 'Suggested media' ); ?></h2>
<ul class="media-list"></ul>
</div>
</div>
<?php
wp_editor( $post_content, 'pressthis', array(
'drag_drop_upload' => true,
'editor_height' => 600,
'media_buttons' => false,
'textarea_name' => 'post_content',
'teeny' => true,
'tinymce' => array(
'resize' => false,
'wordpress_adv_hidden' => false,
'add_unload_trigger' => false,
'statusbar' => false,
'autoresize_min_height' => 600,
'wp_autoresize_on' => true,
'plugins' => 'lists,media,paste,tabfocus,fullscreen,wordpress,wpautoresize,wpeditimage,wpgallery,wplink,wpview',
'toolbar1' => 'bold,italic,bullist,numlist,blockquote,link,unlink',
'toolbar2' => 'undo,redo',
),
'quicktags' => false,
) );
?>
</div>
</div>
<div class="options-panel-back is-hidden" tabindex="-1"></div>
<div class="options-panel is-off-screen is-hidden" tabindex="-1">
<div class="post-options">
<?php if ( $supports_formats ) : ?>
<button type="button" class="button-reset post-option">
<span class="dashicons dashicons-admin-post"></span>
<span class="post-option-title"><?php _ex( 'Format', 'post format' ); ?></span>
<span class="post-option-contents" id="post-option-post-format"><?php echo esc_html( get_post_format_string( $post_format ) ); ?></span>
<span class="dashicons post-option-forward"></span>
</button>
<?php endif; ?>
<button type="button" class="button-reset post-option">
<span class="dashicons dashicons-category"></span>
<span class="post-option-title"><?php _e( 'Categories' ); ?></span>
<span class="dashicons post-option-forward"></span>
</button>
<button type="button" class="button-reset post-option">
<span class="dashicons dashicons-tag"></span>
<span class="post-option-title"><?php _e( 'Tags' ); ?></span>
<span class="dashicons post-option-forward"></span>
</button>
</div>
<?php if ( $supports_formats ) : ?>
<div class="setting-modal is-off-screen is-hidden">
<button type="button" class="button-reset modal-close">
<span class="dashicons post-option-back"></span>
<span class="setting-title" aria-hidden="true"><?php _ex( 'Format', 'post format' ); ?></span>
<span class="screen-reader-text"><?php _e( 'Back to post options' ) ?></span>
</button>
<?php $this->post_formats_html( $post ); ?>
</div>
<?php endif; ?>
<div class="setting-modal is-off-screen is-hidden">
<button type="button" class="button-reset modal-close">
<span class="dashicons post-option-back"></span>
<span class="setting-title" aria-hidden="true"><?php _e( 'Categories' ); ?></span>
<span class="screen-reader-text"><?php _e( 'Back to post options' ) ?></span>
</button>
<?php $this->categories_html( $post ); ?>
</div>
<div class="setting-modal tags is-off-screen is-hidden">
<button type="button" class="button-reset modal-close">
<span class="dashicons post-option-back"></span>
<span class="setting-title" aria-hidden="true"><?php _e( 'Tags' ); ?></span>
<span class="screen-reader-text"><?php _e( 'Back to post options' ) ?></span>
</button>
<?php $this->tags_html( $post ); ?>
</div>
</div><!-- .options-panel -->
</div><!-- .wrapper -->
<div class="press-this-actions">
<div class="pressthis-media-buttons">
<button type="button" class="insert-media button-subtle" data-editor="pressthis">
<span class="dashicons dashicons-admin-media"></span>
<span class="screen-reader-text"><?php _e( 'Add Media' ); ?></span>
</button>
</div>
<div class="post-actions">
<span class="spinner"> </span>
<button type="button" class="button-subtle draft-button" aria-live="polite">
<span class="save-draft"><?php _e( 'Save Draft' ); ?></span>
<span class="saving-draft"><?php _e( 'Saving...' ); ?></span>
</button>
<a href="<?php echo esc_url( get_edit_post_link( $post_ID ) ); ?>" class="edit-post-link" style="display: none;" target="_blank"><?php _e( 'Standard Editor' ); ?></a>
<button type="button" class="button-subtle preview-button"><?php _e( 'Preview' ); ?></button>
<button type="button" class="button-primary publish-button"><?php echo ( current_user_can( 'publish_posts' ) ) ? __( 'Publish' ) : __( 'Submit for Review' ); ?></button>
</div>
</div>
</form>
<?php
/** This action is documented in wp-admin/admin-footer.php */
do_action( 'admin_footer' );
/** This action is documented in wp-admin/admin-footer.php */
do_action( 'admin_print_footer_scripts' );
/** This action is documented in wp-admin/admin-footer.php */
do_action( 'admin_footer-press-this.php' );
?>
</body>
</html>
<?php
die();
}
}
$GLOBALS['wp_press_this'] = new WP_Press_This;
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