Wordpress 4.6
[autoinstalls/wordpress.git] / wp-admin / includes / class-wp-press-this.php
1 <?php
2 /**
3  * Press This class and display functionality
4  *
5  * @package WordPress
6  * @subpackage Press_This
7  * @since 4.2.0
8  */
9
10 /**
11  * Press This class.
12  *
13  * @since 4.2.0
14  */
15 class WP_Press_This {
16
17         // Used to trigger the bookmarklet update notice.
18         public $version = 8;
19
20         private $images = array();
21
22         private $embeds = array();
23
24         private $domain = '';
25
26         /**
27          * Constructor.
28          *
29          * @since 4.2.0
30          * @access public
31          */
32         public function __construct() {}
33
34         /**
35          * App and site settings data, including i18n strings for the client-side.
36          *
37          * @since 4.2.0
38          * @access public
39          *
40          * @return array Site settings.
41          */
42         public function site_settings() {
43                 return array(
44                         /**
45                          * Filters whether or not Press This should redirect the user in the parent window upon save.
46                          *
47                          * @since 4.2.0
48                          *
49                          * @param bool $redirect Whether to redirect in parent window or not. Default false.
50                          */
51                         'redirInParent' => apply_filters( 'press_this_redirect_in_parent', false ),
52                 );
53         }
54
55         /**
56          * Get the source's images and save them locally, for posterity, unless we can't.
57          *
58          * @since 4.2.0
59          * @access public
60          *
61          * @param int    $post_id Post ID.
62          * @param string $content Optional. Current expected markup for Press This. Expects slashed. Default empty.
63          * @return string New markup with old image URLs replaced with the local attachment ones if swapped.
64          */
65         public function side_load_images( $post_id, $content = '' ) {
66                 $content = wp_unslash( $content );
67
68                 if ( preg_match_all( '/<img [^>]+>/', $content, $matches ) && current_user_can( 'upload_files' ) ) {
69                         foreach ( (array) $matches[0] as $image ) {
70                                 // This is inserted from our JS so HTML attributes should always be in double quotes.
71                                 if ( ! preg_match( '/src="([^"]+)"/', $image, $url_matches ) ) {
72                                         continue;
73                                 }
74
75                                 $image_src = $url_matches[1];
76
77                                 // Don't try to sideload a file without a file extension, leads to WP upload error.
78                                 if ( ! preg_match( '/[^\?]+\.(?:jpe?g|jpe|gif|png)(?:\?|$)/i', $image_src ) ) {
79                                         continue;
80                                 }
81
82                                 // Sideload image, which gives us a new image src.
83                                 $new_src = media_sideload_image( $image_src, $post_id, null, 'src' );
84
85                                 if ( ! is_wp_error( $new_src ) ) {
86                                         // Replace the POSTED content <img> with correct uploaded ones.
87                                         // Need to do it in two steps so we don't replace links to the original image if any.
88                                         $new_image = str_replace( $image_src, $new_src, $image );
89                                         $content = str_replace( $image, $new_image, $content );
90                                 }
91                         }
92                 }
93
94                 // Expected slashed
95                 return wp_slash( $content );
96         }
97
98         /**
99          * Ajax handler for saving the post as draft or published.
100          *
101          * @since 4.2.0
102          * @access public
103          */
104         public function save_post() {
105                 if ( empty( $_POST['post_ID'] ) || ! $post_id = (int) $_POST['post_ID'] ) {
106                         wp_send_json_error( array( 'errorMessage' => __( 'Missing post ID.' ) ) );
107                 }
108
109                 if ( empty( $_POST['_wpnonce'] ) || ! wp_verify_nonce( $_POST['_wpnonce'], 'update-post_' . $post_id ) ||
110                         ! current_user_can( 'edit_post', $post_id ) ) {
111
112                         wp_send_json_error( array( 'errorMessage' => __( 'Invalid post.' ) ) );
113                 }
114
115                 $post_data = array(
116                         'ID'            => $post_id,
117                         'post_title'    => ( ! empty( $_POST['post_title'] ) ) ? sanitize_text_field( trim( $_POST['post_title'] ) ) : '',
118                         'post_content'  => ( ! empty( $_POST['post_content'] ) ) ? trim( $_POST['post_content'] ) : '',
119                         'post_type'     => 'post',
120                         'post_status'   => 'draft',
121                         'post_format'   => ( ! empty( $_POST['post_format'] ) ) ? sanitize_text_field( $_POST['post_format'] ) : '',
122                         'tax_input'     => ( ! empty( $_POST['tax_input'] ) ) ? $_POST['tax_input'] : array(),
123                         'post_category' => ( ! empty( $_POST['post_category'] ) ) ? $_POST['post_category'] : array(),
124                 );
125
126                 if ( ! empty( $_POST['post_status'] ) && 'publish' === $_POST['post_status'] ) {
127                         if ( current_user_can( 'publish_posts' ) ) {
128                                 $post_data['post_status'] = 'publish';
129                         } else {
130                                 $post_data['post_status'] = 'pending';
131                         }
132                 }
133
134                 $post_data['post_content'] = $this->side_load_images( $post_id, $post_data['post_content'] );
135
136                 /**
137                  * Filters the post data of a Press This post before saving/updating.
138                  *
139                  * The {@see 'side_load_images'} action has already run at this point.
140                  *
141                  * @since 4.5.0
142                  *
143                  * @param array $post_data The post data.
144                  */
145                 $post_data = apply_filters( 'press_this_save_post', $post_data );
146
147                 $updated = wp_update_post( $post_data, true );
148
149                 if ( is_wp_error( $updated ) ) {
150                         wp_send_json_error( array( 'errorMessage' => $updated->get_error_message() ) );
151                 } else {
152                         if ( isset( $post_data['post_format'] ) ) {
153                                 if ( current_theme_supports( 'post-formats', $post_data['post_format'] ) ) {
154                                         set_post_format( $post_id, $post_data['post_format'] );
155                                 } elseif ( $post_data['post_format'] ) {
156                                         set_post_format( $post_id, false );
157                                 }
158                         }
159
160                         $forceRedirect = false;
161
162                         if ( 'publish' === get_post_status( $post_id ) ) {
163                                 $redirect = get_post_permalink( $post_id );
164                         } elseif ( isset( $_POST['pt-force-redirect'] ) && $_POST['pt-force-redirect'] === 'true' ) {
165                                 $forceRedirect = true;
166                                 $redirect = get_edit_post_link( $post_id, 'js' );
167                         } else {
168                                 $redirect = false;
169                         }
170
171                         /**
172                          * Filters the URL to redirect to when Press This saves.
173                          *
174                          * @since 4.2.0
175                          *
176                          * @param string $url     Redirect URL. If `$status` is 'publish', this will be the post permalink.
177                          *                        Otherwise, the default is false resulting in no redirect.
178                          * @param int    $post_id Post ID.
179                          * @param string $status  Post status.
180                          */
181                         $redirect = apply_filters( 'press_this_save_redirect', $redirect, $post_id, $post_data['post_status'] );
182
183                         if ( $redirect ) {
184                                 wp_send_json_success( array( 'redirect' => $redirect, 'force' => $forceRedirect ) );
185                         } else {
186                                 wp_send_json_success( array( 'postSaved' => true ) );
187                         }
188                 }
189         }
190
191         /**
192          * Ajax handler for adding a new category.
193          *
194          * @since 4.2.0
195          * @access public
196          */
197         public function add_category() {
198                 if ( false === wp_verify_nonce( $_POST['new_cat_nonce'], 'add-category' ) ) {
199                         wp_send_json_error();
200                 }
201
202                 $taxonomy = get_taxonomy( 'category' );
203
204                 if ( ! current_user_can( $taxonomy->cap->edit_terms ) || empty( $_POST['name'] ) ) {
205                         wp_send_json_error();
206                 }
207
208                 $parent = isset( $_POST['parent'] ) && (int) $_POST['parent'] > 0 ? (int) $_POST['parent'] : 0;
209                 $names = explode( ',', $_POST['name'] );
210                 $added = $data = array();
211
212                 foreach ( $names as $cat_name ) {
213                         $cat_name = trim( $cat_name );
214                         $cat_nicename = sanitize_title( $cat_name );
215
216                         if ( empty( $cat_nicename ) ) {
217                                 continue;
218                         }
219
220                         // @todo Find a more performant way to check existence, maybe get_term() with a separate parent check.
221                         if ( term_exists( $cat_name, $taxonomy->name, $parent ) ) {
222                                 if ( count( $names ) === 1 ) {
223                                         wp_send_json_error( array( 'errorMessage' => __( 'This category already exists.' ) ) );
224                                 } else {
225                                         continue;
226                                 }
227                         }
228
229                         $cat_id = wp_insert_term( $cat_name, $taxonomy->name, array( 'parent' => $parent ) );
230
231                         if ( is_wp_error( $cat_id ) ) {
232                                 continue;
233                         } elseif ( is_array( $cat_id ) ) {
234                                 $cat_id = $cat_id['term_id'];
235                         }
236
237                         $added[] = $cat_id;
238                 }
239
240                 if ( empty( $added ) ) {
241                         wp_send_json_error( array( 'errorMessage' => __( 'This category cannot be added. Please change the name and try again.' ) ) );
242                 }
243
244                 foreach ( $added as $new_cat_id ) {
245                         $new_cat = get_category( $new_cat_id );
246
247                         if ( is_wp_error( $new_cat ) ) {
248                                 wp_send_json_error( array( 'errorMessage' => __( 'Error while adding the category. Please try again later.' ) ) );
249                         }
250
251                         $data[] = array(
252                                 'term_id' => $new_cat->term_id,
253                                 'name' => $new_cat->name,
254                                 'parent' => $new_cat->parent,
255                         );
256                 }
257                 wp_send_json_success( $data );
258         }
259
260         /**
261          * Downloads the source's HTML via server-side call for the given URL.
262          *
263          * @since 4.2.0
264          * @access public
265          *
266          * @param string $url URL to scan.
267          * @return string Source's HTML sanitized markup
268          */
269         public function fetch_source_html( $url ) {
270                 global $wp_version;
271
272                 if ( empty( $url ) ) {
273                         return new WP_Error( 'invalid-url', __( 'A valid URL was not provided.' ) );
274                 }
275
276                 $remote_url = wp_safe_remote_get( $url, array(
277                         'timeout' => 30,
278                         // Use an explicit user-agent for Press This
279                         'user-agent' => 'Press This (WordPress/' . $wp_version . '); ' . get_bloginfo( 'url' )
280                 ) );
281
282                 if ( is_wp_error( $remote_url ) ) {
283                         return $remote_url;
284                 }
285
286                 $allowed_elements = array(
287                         'img' => array(
288                                 'src'      => true,
289                                 'width'    => true,
290                                 'height'   => true,
291                         ),
292                         'iframe' => array(
293                                 'src'      => true,
294                         ),
295                         'link' => array(
296                                 'rel'      => true,
297                                 'itemprop' => true,
298                                 'href'     => true,
299                         ),
300                         'meta' => array(
301                                 'property' => true,
302                                 'name'     => true,
303                                 'content'  => true,
304                         )
305                 );
306
307                 $source_content = wp_remote_retrieve_body( $remote_url );
308                 $source_content = wp_kses( $source_content, $allowed_elements );
309
310                 return $source_content;
311         }
312
313         /**
314          * Utility method to limit an array to 50 values.
315          *
316          * @ignore
317          * @since 4.2.0
318          *
319          * @param array $value Array to limit.
320          * @return array Original array if fewer than 50 values, limited array, empty array otherwise.
321          */
322         private function _limit_array( $value ) {
323                 if ( is_array( $value ) ) {
324                         if ( count( $value ) > 50 ) {
325                                 return array_slice( $value, 0, 50 );
326                         }
327
328                         return $value;
329                 }
330
331                 return array();
332         }
333
334         /**
335          * Utility method to limit the length of a given string to 5,000 characters.
336          *
337          * @ignore
338          * @since 4.2.0
339          *
340          * @param string $value String to limit.
341          * @return bool|int|string If boolean or integer, that value. If a string, the original value
342          *                         if fewer than 5,000 characters, a truncated version, otherwise an
343          *                         empty string.
344          */
345         private function _limit_string( $value ) {
346                 $return = '';
347
348                 if ( is_numeric( $value ) || is_bool( $value ) ) {
349                         $return = $value;
350                 } else if ( is_string( $value ) ) {
351                         if ( mb_strlen( $value ) > 5000 ) {
352                                 $return = mb_substr( $value, 0, 5000 );
353                         } else {
354                                 $return = $value;
355                         }
356
357                         $return = html_entity_decode( $return, ENT_QUOTES, 'UTF-8' );
358                         $return = sanitize_text_field( trim( $return ) );
359                 }
360
361                 return $return;
362         }
363
364         /**
365          * Utility method to limit a given URL to 2,048 characters.
366          *
367          * @ignore
368          * @since 4.2.0
369          *
370          * @param string $url URL to check for length and validity.
371          * @return string Escaped URL if of valid length (< 2048) and makeup. Empty string otherwise.
372          */
373         private function _limit_url( $url ) {
374                 if ( ! is_string( $url ) ) {
375                         return '';
376                 }
377
378                 // HTTP 1.1 allows 8000 chars but the "de-facto" standard supported in all current browsers is 2048.
379                 if ( strlen( $url ) > 2048 ) {
380                         return ''; // Return empty rather than a truncated/invalid URL
381                 }
382
383                 // Does not look like a URL.
384                 if ( ! preg_match( '/^([!#$&-;=?-\[\]_a-z~]|%[0-9a-fA-F]{2})+$/', $url ) ) {
385                         return '';
386                 }
387
388                 // If the URL is root-relative, prepend the protocol and domain name
389                 if ( $url && $this->domain && preg_match( '%^/[^/]+%', $url ) ) {
390                         $url = $this->domain . $url;
391                 }
392
393                 // Not absolute or protocol-relative URL.
394                 if ( ! preg_match( '%^(?:https?:)?//[^/]+%', $url ) ) {
395                         return '';
396                 }
397
398                 return esc_url_raw( $url, array( 'http', 'https' ) );
399         }
400
401         /**
402          * Utility method to limit image source URLs.
403          *
404          * Excluded URLs include share-this type buttons, loaders, spinners, spacers, WordPress interface images,
405          * tiny buttons or thumbs, mathtag.com or quantserve.com images, or the WordPress.com stats gif.
406          *
407          * @ignore
408          * @since 4.2.0
409          *
410          * @param string $src Image source URL.
411          * @return string If not matched an excluded URL type, the original URL, empty string otherwise.
412          */
413         private function _limit_img( $src ) {
414                 $src = $this->_limit_url( $src );
415
416                 if ( preg_match( '!/ad[sx]?/!i', $src ) ) {
417                         // Ads
418                         return '';
419                 } else if ( preg_match( '!(/share-?this[^.]+?\.[a-z0-9]{3,4})(\?.*)?$!i', $src ) ) {
420                         // Share-this type button
421                         return '';
422                 } else if ( preg_match( '!/(spinner|loading|spacer|blank|rss)\.(gif|jpg|png)!i', $src ) ) {
423                         // Loaders, spinners, spacers
424                         return '';
425                 } else if ( preg_match( '!/([^./]+[-_])?(spinner|loading|spacer|blank)s?([-_][^./]+)?\.[a-z0-9]{3,4}!i', $src ) ) {
426                         // Fancy loaders, spinners, spacers
427                         return '';
428                 } else if ( preg_match( '!([^./]+[-_])?thumb[^.]*\.(gif|jpg|png)$!i', $src ) ) {
429                         // Thumbnails, too small, usually irrelevant to context
430                         return '';
431                 } else if ( false !== stripos( $src, '/wp-includes/' ) ) {
432                         // Classic WordPress interface images
433                         return '';
434                 } else if ( preg_match( '![^\d]\d{1,2}x\d+\.(gif|jpg|png)$!i', $src ) ) {
435                         // Most often tiny buttons/thumbs (< 100px wide)
436                         return '';
437                 } else if ( preg_match( '!/pixel\.(mathtag|quantserve)\.com!i', $src ) ) {
438                         // See mathtag.com and https://www.quantcast.com/how-we-do-it/iab-standard-measurement/how-we-collect-data/
439                         return '';
440                 } else if ( preg_match( '!/[gb]\.gif(\?.+)?$!i', $src ) ) {
441                         // WordPress.com stats gif
442                         return '';
443                 }
444
445                 return $src;
446         }
447
448         /**
449          * Limit embed source URLs to specific providers.
450          *
451          * Not all core oEmbed providers are supported. Supported providers include YouTube, Vimeo,
452          * Vine, Daily Motion, SoundCloud, and Twitter.
453          *
454          * @ignore
455          * @since 4.2.0
456          *
457          * @param string $src Embed source URL.
458          * @return string If not from a supported provider, an empty string. Otherwise, a reformattd embed URL.
459          */
460         private function _limit_embed( $src ) {
461                 $src = $this->_limit_url( $src );
462
463                 if ( empty( $src ) )
464                         return '';
465
466                 if ( preg_match( '!//(m|www)\.youtube\.com/(embed|v)/([^?]+)\?.+$!i', $src, $src_matches ) ) {
467                         // Embedded Youtube videos (www or mobile)
468                         $src = 'https://www.youtube.com/watch?v=' . $src_matches[3];
469                 } else if ( preg_match( '!//player\.vimeo\.com/video/([\d]+)([?/].*)?$!i', $src, $src_matches ) ) {
470                         // Embedded Vimeo iframe videos
471                         $src = 'https://vimeo.com/' . (int) $src_matches[1];
472                 } else if ( preg_match( '!//vimeo\.com/moogaloop\.swf\?clip_id=([\d]+)$!i', $src, $src_matches ) ) {
473                         // Embedded Vimeo Flash videos
474                         $src = 'https://vimeo.com/' . (int) $src_matches[1];
475                 } else if ( preg_match( '!//vine\.co/v/([^/]+)/embed!i', $src, $src_matches ) ) {
476                         // Embedded Vine videos
477                         $src = 'https://vine.co/v/' . $src_matches[1];
478                 } else if ( preg_match( '!//(www\.)?dailymotion\.com/embed/video/([^/?]+)([/?].+)?!i', $src, $src_matches ) ) {
479                         // Embedded Daily Motion videos
480                         $src = 'https://www.dailymotion.com/video/' . $src_matches[2];
481                 } else {
482                         require_once( ABSPATH . WPINC . '/class-oembed.php' );
483                         $oembed = _wp_oembed_get_object();
484
485                         if ( ! $oembed->get_provider( $src, array( 'discover' => false ) ) ) {
486                                 $src = '';
487                         }
488                 }
489
490                 return $src;
491         }
492
493         /**
494          * Process a meta data entry from the source.
495          *
496          * @ignore
497          * @since 4.2.0
498          *
499          * @param string $meta_name  Meta key name.
500          * @param mixed  $meta_value Meta value.
501          * @param array  $data       Associative array of source data.
502          * @return array Processed data array.
503          */
504         private function _process_meta_entry( $meta_name, $meta_value, $data ) {
505                 if ( preg_match( '/:?(title|description|keywords|site_name)$/', $meta_name ) ) {
506                         $data['_meta'][ $meta_name ] = $meta_value;
507                 } else {
508                         switch ( $meta_name ) {
509                                 case 'og:url':
510                                 case 'og:video':
511                                 case 'og:video:secure_url':
512                                         $meta_value = $this->_limit_embed( $meta_value );
513
514                                         if ( ! isset( $data['_embeds'] ) ) {
515                                                 $data['_embeds'] = array();
516                                         }
517
518                                         if ( ! empty( $meta_value ) && ! in_array( $meta_value, $data['_embeds'] ) ) {
519                                                 $data['_embeds'][] = $meta_value;
520                                         }
521
522                                         break;
523                                 case 'og:image':
524                                 case 'og:image:secure_url':
525                                 case 'twitter:image0:src':
526                                 case 'twitter:image0':
527                                 case 'twitter:image:src':
528                                 case 'twitter:image':
529                                         $meta_value = $this->_limit_img( $meta_value );
530
531                                         if ( ! isset( $data['_images'] ) ) {
532                                                 $data['_images'] = array();
533                                         }
534
535                                         if ( ! empty( $meta_value ) && ! in_array( $meta_value, $data['_images'] ) ) {
536                                                 $data['_images'][] = $meta_value;
537                                         }
538
539                                         break;
540                         }
541                 }
542
543                 return $data;
544         }
545
546         /**
547          * Fetches and parses _meta, _images, and _links data from the source.
548          *
549          * @since 4.2.0
550          * @access public
551          *
552          * @param string $url  URL to scan.
553          * @param array  $data Optional. Existing data array if you have one. Default empty array.
554          * @return array New data array.
555          */
556         public function source_data_fetch_fallback( $url, $data = array() ) {
557                 if ( empty( $url ) ) {
558                         return array();
559                 }
560
561                 // Download source page to tmp file.
562                 $source_content = $this->fetch_source_html( $url );
563                 if ( is_wp_error( $source_content ) ) {
564                         return array( 'errors' => $source_content->get_error_messages() );
565                 }
566
567                 // Fetch and gather <meta> data first, so discovered media is offered 1st to user.
568                 if ( empty( $data['_meta'] ) ) {
569                         $data['_meta'] = array();
570                 }
571
572                 if ( preg_match_all( '/<meta [^>]+>/', $source_content, $matches ) ) {
573                         $items = $this->_limit_array( $matches[0] );
574
575                         foreach ( $items as $value ) {
576                                 if ( preg_match( '/(property|name)="([^"]+)"[^>]+content="([^"]+)"/', $value, $new_matches ) ) {
577                                         $meta_name  = $this->_limit_string( $new_matches[2] );
578                                         $meta_value = $this->_limit_string( $new_matches[3] );
579
580                                         // Sanity check. $key is usually things like 'title', 'description', 'keywords', etc.
581                                         if ( strlen( $meta_name ) > 100 ) {
582                                                 continue;
583                                         }
584
585                                         $data = $this->_process_meta_entry( $meta_name, $meta_value, $data );
586                                 }
587                         }
588                 }
589
590                 // Fetch and gather <img> data.
591                 if ( empty( $data['_images'] ) ) {
592                         $data['_images'] = array();
593                 }
594
595                 if ( preg_match_all( '/<img [^>]+>/', $source_content, $matches ) ) {
596                         $items = $this->_limit_array( $matches[0] );
597
598                         foreach ( $items as $value ) {
599                                 if ( ( preg_match( '/width=(\'|")(\d+)\\1/i', $value, $new_matches ) && $new_matches[2] < 256 ) ||
600                                         ( preg_match( '/height=(\'|")(\d+)\\1/i', $value, $new_matches ) && $new_matches[2] < 128 ) ) {
601
602                                         continue;
603                                 }
604
605                                 if ( preg_match( '/src=(\'|")([^\'"]+)\\1/i', $value, $new_matches ) ) {
606                                         $src = $this->_limit_img( $new_matches[2] );
607                                         if ( ! empty( $src ) && ! in_array( $src, $data['_images'] ) ) {
608                                                 $data['_images'][] = $src;
609                                         }
610                                 }
611                         }
612                 }
613
614                 // Fetch and gather <iframe> data.
615                 if ( empty( $data['_embeds'] ) ) {
616                         $data['_embeds'] = array();
617                 }
618
619                 if ( preg_match_all( '/<iframe [^>]+>/', $source_content, $matches ) ) {
620                         $items = $this->_limit_array( $matches[0] );
621
622                         foreach ( $items as $value ) {
623                                 if ( preg_match( '/src=(\'|")([^\'"]+)\\1/', $value, $new_matches ) ) {
624                                         $src = $this->_limit_embed( $new_matches[2] );
625
626                                         if ( ! empty( $src ) && ! in_array( $src, $data['_embeds'] ) ) {
627                                                 $data['_embeds'][] = $src;
628                                         }
629                                 }
630                         }
631                 }
632
633                 // Fetch and gather <link> data.
634                 if ( empty( $data['_links'] ) ) {
635                         $data['_links'] = array();
636                 }
637
638                 if ( preg_match_all( '/<link [^>]+>/', $source_content, $matches ) ) {
639                         $items = $this->_limit_array( $matches[0] );
640
641                         foreach ( $items as $value ) {
642                                 if ( preg_match( '/rel=["\'](canonical|shortlink|icon)["\']/i', $value, $matches_rel ) && preg_match( '/href=[\'"]([^\'" ]+)[\'"]/i', $value, $matches_url ) ) {
643                                         $rel = $matches_rel[1];
644                                         $url = $this->_limit_url( $matches_url[1] );
645
646                                         if ( ! empty( $url ) && empty( $data['_links'][ $rel ] ) ) {
647                                                 $data['_links'][ $rel ] = $url;
648                                         }
649                                 }
650                         }
651                 }
652
653                 return $data;
654         }
655
656         /**
657          * Handles backward-compat with the legacy version of Press This by supporting its query string params.
658          *
659          * @since 4.2.0
660          * @access public
661          *
662          * @return array
663          */
664         public function merge_or_fetch_data() {
665                 // Get data from $_POST and $_GET, as appropriate ($_POST > $_GET), to remain backward compatible.
666                 $data = array();
667
668                 // Only instantiate the keys we want. Sanity check and sanitize each one.
669                 foreach ( array( 'u', 's', 't', 'v' ) as $key ) {
670                         if ( ! empty( $_POST[ $key ] ) ) {
671                                 $value = wp_unslash( $_POST[ $key ] );
672                         } else if ( ! empty( $_GET[ $key ] ) ) {
673                                 $value = wp_unslash( $_GET[ $key ] );
674                         } else {
675                                 continue;
676                         }
677
678                         if ( 'u' === $key ) {
679                                 $value = $this->_limit_url( $value );
680
681                                 if ( preg_match( '%^(?:https?:)?//[^/]+%i', $value, $domain_match ) ) {
682                                         $this->domain = $domain_match[0];
683                                 }
684                         } else {
685                                 $value = $this->_limit_string( $value );
686                         }
687
688                         if ( ! empty( $value ) ) {
689                                 $data[ $key ] = $value;
690                         }
691                 }
692
693                 /**
694                  * Filters whether to enable in-source media discovery in Press This.
695                  *
696                  * @since 4.2.0
697                  *
698                  * @param bool $enable Whether to enable media discovery.
699                  */
700                 if ( apply_filters( 'enable_press_this_media_discovery', true ) ) {
701                         /*
702                          * If no title, _images, _embed, and _meta was passed via $_POST, fetch data from source as fallback,
703                          * making PT fully backward compatible with the older bookmarklet.
704                          */
705                         if ( empty( $_POST ) && ! empty( $data['u'] ) ) {
706                                 $data = $this->source_data_fetch_fallback( $data['u'], $data );
707                         } else {
708                                 foreach ( array( '_images', '_embeds' ) as $type ) {
709                                         if ( empty( $_POST[ $type ] ) ) {
710                                                 continue;
711                                         }
712
713                                         $data[ $type ] = array();
714                                         $items = $this->_limit_array( $_POST[ $type ] );
715
716                                         foreach ( $items as $key => $value ) {
717                                                 if ( $type === '_images' ) {
718                                                         $value = $this->_limit_img( wp_unslash( $value ) );
719                                                 } else {
720                                                         $value = $this->_limit_embed( wp_unslash( $value ) );
721                                                 }
722
723                                                 if ( ! empty( $value ) ) {
724                                                         $data[ $type ][] = $value;
725                                                 }
726                                         }
727                                 }
728
729                                 foreach ( array( '_meta', '_links' ) as $type ) {
730                                         if ( empty( $_POST[ $type ] ) ) {
731                                                 continue;
732                                         }
733
734                                         $data[ $type ] = array();
735                                         $items = $this->_limit_array( $_POST[ $type ] );
736
737                                         foreach ( $items as $key => $value ) {
738                                                 // Sanity check. These are associative arrays, $key is usually things like 'title', 'description', 'keywords', etc.
739                                                 if ( empty( $key ) || strlen( $key ) > 100 ) {
740                                                         continue;
741                                                 }
742
743                                                 if ( $type === '_meta' ) {
744                                                         $value = $this->_limit_string( wp_unslash( $value ) );
745
746                                                         if ( ! empty( $value ) ) {
747                                                                 $data = $this->_process_meta_entry( $key, $value, $data );
748                                                         }
749                                                 } else {
750                                                         if ( in_array( $key, array( 'canonical', 'shortlink', 'icon' ), true ) ) {
751                                                                 $data[ $type ][ $key ] = $this->_limit_url( wp_unslash( $value ) );
752                                                         }
753                                                 }
754                                         }
755                                 }
756                         }
757
758                         // Support passing a single image src as `i`
759                         if ( ! empty( $_REQUEST['i'] ) && ( $img_src = $this->_limit_img( wp_unslash( $_REQUEST['i'] ) ) ) ) {
760                                 if ( empty( $data['_images'] ) ) {
761                                         $data['_images'] = array( $img_src );
762                                 } elseif ( ! in_array( $img_src, $data['_images'], true ) ) {
763                                         array_unshift( $data['_images'], $img_src );
764                                 }
765                         }
766                 }
767
768                 /**
769                  * Filters the Press This data array.
770                  *
771                  * @since 4.2.0
772                  *
773                  * @param array $data Press This Data array.
774                  */
775                 return apply_filters( 'press_this_data', $data );
776         }
777
778         /**
779          * Adds another stylesheet inside TinyMCE.
780          *
781          * @since 4.2.0
782          * @access public
783          *
784          * @param string $styles URL to editor stylesheet.
785          * @return string Possibly modified stylesheets list.
786          */
787         public function add_editor_style( $styles ) {
788                 if ( ! empty( $styles ) ) {
789                         $styles .= ',';
790                 }
791
792                 $press_this = admin_url( 'css/press-this-editor.css' );
793                 if ( is_rtl() ) {
794                         $press_this = str_replace( '.css', '-rtl.css', $press_this );
795                 }
796
797                 return $styles . $press_this;
798         }
799
800         /**
801          * Outputs the post format selection HTML.
802          *
803          * @since 4.2.0
804          * @access public
805          *
806          * @param WP_Post $post Post object.
807          */
808         public function post_formats_html( $post ) {
809                 if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) ) {
810                         $post_formats = get_theme_support( 'post-formats' );
811
812                         if ( is_array( $post_formats[0] ) ) {
813                                 $post_format = get_post_format( $post->ID );
814
815                                 if ( ! $post_format ) {
816                                         $post_format = '0';
817                                 }
818
819                                 // Add in the current one if it isn't there yet, in case the current theme doesn't support it.
820                                 if ( $post_format && ! in_array( $post_format, $post_formats[0] ) ) {
821                                         $post_formats[0][] = $post_format;
822                                 }
823
824                                 ?>
825                                 <div id="post-formats-select">
826                                 <fieldset><legend class="screen-reader-text"><?php _e( 'Post Formats' ); ?></legend>
827                                         <input type="radio" name="post_format" class="post-format" id="post-format-0" value="0" <?php checked( $post_format, '0' ); ?> />
828                                         <label for="post-format-0" class="post-format-icon post-format-standard"><?php echo get_post_format_string( 'standard' ); ?></label>
829                                         <?php
830
831                                         foreach ( $post_formats[0] as $format ) {
832                                                 $attr_format = esc_attr( $format );
833                                                 ?>
834                                                 <br />
835                                                 <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 ); ?> />
836                                                 <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>
837                                                 <?php
838                                          }
839
840                                          ?>
841                                 </fieldset>
842                                 </div>
843                                 <?php
844                         }
845                 }
846         }
847
848         /**
849          * Outputs the categories HTML.
850          *
851          * @since 4.2.0
852          * @access public
853          *
854          * @param WP_Post $post Post object.
855          */
856         public function categories_html( $post ) {
857                 $taxonomy = get_taxonomy( 'category' );
858
859                 if ( current_user_can( $taxonomy->cap->edit_terms ) ) {
860                         ?>
861                         <button type="button" class="add-cat-toggle button-link" aria-expanded="false">
862                                 <span class="dashicons dashicons-plus"></span><span class="screen-reader-text"><?php _e( 'Toggle add category' ); ?></span>
863                         </button>
864                         <div class="add-category is-hidden">
865                                 <label class="screen-reader-text" for="new-category"><?php echo $taxonomy->labels->add_new_item; ?></label>
866                                 <input type="text" id="new-category" class="add-category-name" placeholder="<?php echo esc_attr( $taxonomy->labels->new_item_name ); ?>" value="" aria-required="true">
867                                 <label class="screen-reader-text" for="new-category-parent"><?php echo $taxonomy->labels->parent_item_colon; ?></label>
868                                 <div class="postform-wrapper">
869                                         <?php
870                                         wp_dropdown_categories( array(
871                                                 'taxonomy'         => 'category',
872                                                 'hide_empty'       => 0,
873                                                 'name'             => 'new-category-parent',
874                                                 'orderby'          => 'name',
875                                                 'hierarchical'     => 1,
876                                                 'show_option_none' => '&mdash; ' . $taxonomy->labels->parent_item . ' &mdash;'
877                                         ) );
878                                         ?>
879                                 </div>
880                                 <button type="button" class="add-cat-submit"><?php _e( 'Add' ); ?></button>
881                         </div>
882                         <?php
883
884                 }
885                 ?>
886                 <div class="categories-search-wrapper">
887                         <input id="categories-search" type="search" class="categories-search" placeholder="<?php esc_attr_e( 'Search categories by name' ) ?>">
888                         <label for="categories-search">
889                                 <span class="dashicons dashicons-search"></span><span class="screen-reader-text"><?php _e( 'Search categories' ); ?></span>
890                         </label>
891                 </div>
892                 <div aria-label="<?php esc_attr_e( 'Categories' ); ?>">
893                         <ul class="categories-select">
894                                 <?php wp_terms_checklist( $post->ID, array( 'taxonomy' => 'category', 'list_only' => true ) ); ?>
895                         </ul>
896                 </div>
897                 <?php
898         }
899
900         /**
901          * Outputs the tags HTML.
902          *
903          * @since 4.2.0
904          * @access public
905          *
906          * @param WP_Post $post Post object.
907          */
908         public function tags_html( $post ) {
909                 $taxonomy              = get_taxonomy( 'post_tag' );
910                 $user_can_assign_terms = current_user_can( $taxonomy->cap->assign_terms );
911                 $esc_tags              = get_terms_to_edit( $post->ID, 'post_tag' );
912
913                 if ( ! $esc_tags || is_wp_error( $esc_tags ) ) {
914                         $esc_tags = '';
915                 }
916
917                 ?>
918                 <div class="tagsdiv" id="post_tag">
919                         <div class="jaxtag">
920                         <input type="hidden" name="tax_input[post_tag]" class="the-tags" value="<?php echo $esc_tags; // escaped in get_terms_to_edit() ?>">
921                         <?php
922
923                         if ( $user_can_assign_terms ) {
924                                 ?>
925                                 <div class="ajaxtag hide-if-no-js">
926                                         <label class="screen-reader-text" for="new-tag-post_tag"><?php _e( 'Tags' ); ?></label>
927                                         <p>
928                                                 <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" />
929                                                 <button type="button" class="tagadd"><?php _e( 'Add' ); ?></button>
930                                         </p>
931                                 </div>
932                                 <p class="howto" id="new-tag-desc">
933                                         <?php echo $taxonomy->labels->separate_items_with_commas; ?>
934                                 </p>
935                                 <?php
936                         }
937
938                         ?>
939                         </div>
940                         <div class="tagchecklist"></div>
941                 </div>
942                 <?php
943
944                 if ( $user_can_assign_terms ) {
945                         ?>
946                         <button type="button" class="button-link tagcloud-link" id="link-post_tag"><?php echo $taxonomy->labels->choose_from_most_used; ?></button>
947                         <?php
948                 }
949         }
950
951         /**
952          * Get a list of embeds with no duplicates.
953          *
954          * @since 4.2.0
955          * @access public
956          *
957          * @param array $data The site's data.
958          * @return array Embeds selected to be available.
959          */
960         public function get_embeds( $data ) {
961                 $selected_embeds = array();
962
963                 // Make sure to add the Pressed page if it's a valid oembed itself
964                 if ( ! empty ( $data['u'] ) && $this->_limit_embed( $data['u'] ) ) {
965                         $data['_embeds'][] = $data['u'];
966                 }
967
968                 if ( ! empty( $data['_embeds'] ) ) {
969                         foreach ( $data['_embeds'] as $src ) {
970                                 $prot_relative_src = preg_replace( '/^https?:/', '', $src );
971
972                                 if ( in_array( $prot_relative_src, $this->embeds ) ) {
973                                         continue;
974                                 }
975
976                                 $selected_embeds[] = $src;
977                                 $this->embeds[] = $prot_relative_src;
978                         }
979                 }
980
981                 return $selected_embeds;
982         }
983
984         /**
985          * Get a list of images with no duplicates.
986          *
987          * @since 4.2.0
988          * @access public
989          *
990          * @param array $data The site's data.
991          * @return array
992          */
993         public function get_images( $data ) {
994                 $selected_images = array();
995
996                 if ( ! empty( $data['_images'] ) ) {
997                         foreach ( $data['_images'] as $src ) {
998                                 if ( false !== strpos( $src, 'gravatar.com' ) ) {
999                                         $src = preg_replace( '%http://[\d]+\.gravatar\.com/%', 'https://secure.gravatar.com/', $src );
1000                                 }
1001
1002                                 $prot_relative_src = preg_replace( '/^https?:/', '', $src );
1003
1004                                 if ( in_array( $prot_relative_src, $this->images ) ||
1005                                         ( false !== strpos( $src, 'avatar' ) && count( $this->images ) > 15 ) ) {
1006                                         // Skip: already selected or some type of avatar and we've already gathered more than 15 images.
1007                                         continue;
1008                                 }
1009
1010                                 $selected_images[] = $src;
1011                                 $this->images[] = $prot_relative_src;
1012                         }
1013                 }
1014
1015                 return $selected_images;
1016         }
1017
1018         /**
1019          * Gets the source page's canonical link, based on passed location and meta data.
1020          *
1021          * @since 4.2.0
1022          * @access public
1023          *
1024          * @param array $data The site's data.
1025          * @return string Discovered canonical URL, or empty
1026          */
1027         public function get_canonical_link( $data ) {
1028                 $link = '';
1029
1030                 if ( ! empty( $data['_links']['canonical'] ) ) {
1031                         $link = $data['_links']['canonical'];
1032                 } elseif ( ! empty( $data['u'] ) ) {
1033                         $link = $data['u'];
1034                 } elseif ( ! empty( $data['_meta'] ) ) {
1035                         if ( ! empty( $data['_meta']['twitter:url'] ) ) {
1036                                 $link = $data['_meta']['twitter:url'];
1037                         } else if ( ! empty( $data['_meta']['og:url'] ) ) {
1038                                 $link = $data['_meta']['og:url'];
1039                         }
1040                 }
1041
1042                 if ( empty( $link ) && ! empty( $data['_links']['shortlink'] ) ) {
1043                         $link = $data['_links']['shortlink'];
1044                 }
1045
1046                 return $link;
1047         }
1048
1049         /**
1050          * Gets the source page's site name, based on passed meta data.
1051          *
1052          * @since 4.2.0
1053          * @access public
1054          *
1055          * @param array $data The site's data.
1056          * @return string Discovered site name, or empty
1057          */
1058         public function get_source_site_name( $data ) {
1059                 $name = '';
1060
1061                 if ( ! empty( $data['_meta'] ) ) {
1062                         if ( ! empty( $data['_meta']['og:site_name'] ) ) {
1063                                 $name = $data['_meta']['og:site_name'];
1064                         } else if ( ! empty( $data['_meta']['application-name'] ) ) {
1065                                 $name = $data['_meta']['application-name'];
1066                         }
1067                 }
1068
1069                 return $name;
1070         }
1071
1072         /**
1073          * Gets the source page's title, based on passed title and meta data.
1074          *
1075          * @since 4.2.0
1076          * @access public
1077          *
1078          * @param array $data The site's data.
1079          * @return string Discovered page title, or empty
1080          */
1081         public function get_suggested_title( $data ) {
1082                 $title = '';
1083
1084                 if ( ! empty( $data['t'] ) ) {
1085                         $title = $data['t'];
1086                 } elseif ( ! empty( $data['_meta'] ) ) {
1087                         if ( ! empty( $data['_meta']['twitter:title'] ) ) {
1088                                 $title = $data['_meta']['twitter:title'];
1089                         } else if ( ! empty( $data['_meta']['og:title'] ) ) {
1090                                 $title = $data['_meta']['og:title'];
1091                         } else if ( ! empty( $data['_meta']['title'] ) ) {
1092                                 $title = $data['_meta']['title'];
1093                         }
1094                 }
1095
1096                 return $title;
1097         }
1098
1099         /**
1100          * Gets the source page's suggested content, based on passed data (description, selection, etc).
1101          *
1102          * Features a blockquoted excerpt, as well as content attribution, if any.
1103          *
1104          * @since 4.2.0
1105          * @access public
1106          *
1107          * @param array $data The site's data.
1108          * @return string Discovered content, or empty
1109          */
1110         public function get_suggested_content( $data ) {
1111                 $content = $text = '';
1112
1113                 if ( ! empty( $data['s'] ) ) {
1114                         $text = $data['s'];
1115                 } else if ( ! empty( $data['_meta'] ) ) {
1116                         if ( ! empty( $data['_meta']['twitter:description'] ) ) {
1117                                 $text = $data['_meta']['twitter:description'];
1118                         } else if ( ! empty( $data['_meta']['og:description'] ) ) {
1119                                 $text = $data['_meta']['og:description'];
1120                         } else if ( ! empty( $data['_meta']['description'] ) ) {
1121                                 $text = $data['_meta']['description'];
1122                         }
1123
1124                         // If there is an ellipsis at the end, the description is very likely auto-generated. Better to ignore it.
1125                         if ( $text && substr( $text, -3 ) === '...' ) {
1126                                 $text = '';
1127                         }
1128                 }
1129
1130                 $default_html = array( 'quote' => '', 'link' => '', 'embed' => '' );
1131
1132                 if ( ! empty( $data['u'] ) && $this->_limit_embed( $data['u'] ) ) {
1133                         $default_html['embed'] = '<p>[embed]' . $data['u'] . '[/embed]</p>';
1134
1135                         if ( ! empty( $data['s'] ) ) {
1136                                 // If the user has selected some text, do quote it.
1137                                 $default_html['quote'] = '<blockquote>%1$s</blockquote>';
1138                         }
1139                 } else {
1140                         $default_html['quote'] = '<blockquote>%1$s</blockquote>';
1141                         $default_html['link'] = '<p>' . _x( 'Source:', 'Used in Press This to indicate where the content comes from.' ) .
1142                                 ' <em><a href="%1$s">%2$s</a></em></p>';
1143                 }
1144
1145                 /**
1146                  * Filters the default HTML tags used in the suggested content for the editor.
1147                  *
1148                  * The HTML strings use printf format. After filtering the content is added at the specified places with `sprintf()`.
1149                  *
1150                  * @since 4.2.0
1151                  *
1152                  * @param array $default_html Associative array with three possible keys:
1153                  *                                - 'quote' where %1$s is replaced with the site description or the selected content.
1154                  *                                - 'link' where %1$s is link href, %2$s is link text, usually the source page title.
1155                  *                                - 'embed' which contains an [embed] shortcode when the source page offers embeddable content.
1156                  * @param array $data         Associative array containing the data from the source page.
1157                  */
1158                 $default_html = apply_filters( 'press_this_suggested_html', $default_html, $data );
1159
1160                 if ( ! empty( $default_html['embed'] ) ) {
1161                         $content .= $default_html['embed'];
1162                 }
1163
1164                 // Wrap suggested content in the specified HTML.
1165                 if ( ! empty( $default_html['quote'] ) && $text ) {
1166                         $content .= sprintf( $default_html['quote'], $text );
1167                 }
1168
1169                 // Add source attribution if there is one available.
1170                 if ( ! empty( $default_html['link'] ) ) {
1171                         $title = $this->get_suggested_title( $data );
1172                         $url = $this->get_canonical_link( $data );
1173
1174                         if ( ! $title ) {
1175                                 $title = $this->get_source_site_name( $data );
1176                         }
1177
1178                         if ( $url && $title ) {
1179                                 $content .= sprintf( $default_html['link'], $url, $title );
1180                         }
1181                 }
1182
1183                 return $content;
1184         }
1185
1186         /**
1187          * Serves the app's base HTML, which in turns calls the load script.
1188          *
1189          * @since 4.2.0
1190          * @access public
1191          *
1192          * @global WP_Locale $wp_locale
1193          * @global string    $wp_version
1194          * @global bool      $is_IE
1195          */
1196         public function html() {
1197                 global $wp_locale, $wp_version;
1198
1199                 // Get data, new (POST) and old (GET).
1200                 $data = $this->merge_or_fetch_data();
1201
1202                 $post_title = $this->get_suggested_title( $data );
1203
1204                 $post_content = $this->get_suggested_content( $data );
1205
1206                 // Get site settings array/data.
1207                 $site_settings = $this->site_settings();
1208
1209                 // Pass the images and embeds
1210                 $images = $this->get_images( $data );
1211                 $embeds = $this->get_embeds( $data );
1212
1213                 $site_data = array(
1214                         'v' => ! empty( $data['v'] ) ? $data['v'] : '',
1215                         'u' => ! empty( $data['u'] ) ? $data['u'] : '',
1216                         'hasData' => ! empty( $data ),
1217                 );
1218
1219                 if ( ! empty( $images ) ) {
1220                         $site_data['_images'] = $images;
1221                 }
1222
1223                 if ( ! empty( $embeds ) ) {
1224                         $site_data['_embeds'] = $embeds;
1225                 }
1226
1227                 // Add press-this-editor.css and remove theme's editor-style.css, if any.
1228                 remove_editor_styles();
1229
1230                 add_filter( 'mce_css', array( $this, 'add_editor_style' ) );
1231
1232                 if ( ! empty( $GLOBALS['is_IE'] ) ) {
1233                         @header( 'X-UA-Compatible: IE=edge' );
1234                 }
1235
1236                 @header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) );
1237
1238 ?>
1239 <!DOCTYPE html>
1240 <!--[if IE 7]>         <html class="lt-ie9 lt-ie8" <?php language_attributes(); ?>> <![endif]-->
1241 <!--[if IE 8]>         <html class="lt-ie9" <?php language_attributes(); ?>> <![endif]-->
1242 <!--[if gt IE 8]><!--> <html <?php language_attributes(); ?>> <!--<![endif]-->
1243 <head>
1244         <meta http-equiv="Content-Type" content="<?php echo esc_attr( get_bloginfo( 'html_type' ) ); ?>; charset=<?php echo esc_attr( get_option( 'blog_charset' ) ); ?>" />
1245         <meta name="viewport" content="width=device-width">
1246         <title><?php esc_html_e( 'Press This!' ) ?></title>
1247
1248         <script>
1249                 window.wpPressThisData   = <?php echo wp_json_encode( $site_data ); ?>;
1250                 window.wpPressThisConfig = <?php echo wp_json_encode( $site_settings ); ?>;
1251         </script>
1252
1253         <script type="text/javascript">
1254                 var ajaxurl = '<?php echo esc_js( admin_url( 'admin-ajax.php', 'relative' ) ); ?>',
1255                         pagenow = 'press-this',
1256                         typenow = 'post',
1257                         adminpage = 'press-this-php',
1258                         thousandsSeparator = '<?php echo addslashes( $wp_locale->number_format['thousands_sep'] ); ?>',
1259                         decimalPoint = '<?php echo addslashes( $wp_locale->number_format['decimal_point'] ); ?>',
1260                         isRtl = <?php echo (int) is_rtl(); ?>;
1261         </script>
1262
1263         <?php
1264                 /*
1265                  * $post->ID is needed for the embed shortcode so we can show oEmbed previews in the editor.
1266                  * Maybe find a way without it.
1267                  */
1268                 $post = get_default_post_to_edit( 'post', true );
1269                 $post_ID = (int) $post->ID;
1270
1271                 wp_enqueue_media( array( 'post' => $post_ID ) );
1272                 wp_enqueue_style( 'press-this' );
1273                 wp_enqueue_script( 'press-this' );
1274                 wp_enqueue_script( 'json2' );
1275                 wp_enqueue_script( 'editor' );
1276
1277                 $supports_formats = false;
1278                 $post_format      = 0;
1279
1280                 if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) ) {
1281                         $supports_formats = true;
1282
1283                         if ( ! ( $post_format = get_post_format( $post_ID ) ) ) {
1284                                 $post_format = 0;
1285                         }
1286                 }
1287
1288                 /** This action is documented in wp-admin/admin-header.php */
1289                 do_action( 'admin_enqueue_scripts', 'press-this.php' );
1290
1291                 /** This action is documented in wp-admin/admin-header.php */
1292                 do_action( 'admin_print_styles-press-this.php' );
1293
1294                 /** This action is documented in wp-admin/admin-header.php */
1295                 do_action( 'admin_print_styles' );
1296
1297                 /** This action is documented in wp-admin/admin-header.php */
1298                 do_action( 'admin_print_scripts-press-this.php' );
1299
1300                 /** This action is documented in wp-admin/admin-header.php */
1301                 do_action( 'admin_print_scripts' );
1302
1303                 /** This action is documented in wp-admin/admin-header.php */
1304                 do_action( 'admin_head-press-this.php' );
1305
1306                 /** This action is documented in wp-admin/admin-header.php */
1307                 do_action( 'admin_head' );
1308         ?>
1309 </head>
1310 <?php
1311
1312         $admin_body_class  = 'press-this';
1313         $admin_body_class .= ( is_rtl() ) ? ' rtl' : '';
1314         $admin_body_class .= ' branch-' . str_replace( array( '.', ',' ), '-', floatval( $wp_version ) );
1315         $admin_body_class .= ' version-' . str_replace( '.', '-', preg_replace( '/^([.0-9]+).*/', '$1', $wp_version ) );
1316         $admin_body_class .= ' admin-color-' . sanitize_html_class( get_user_option( 'admin_color' ), 'fresh' );
1317         $admin_body_class .= ' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_locale() ) ) );
1318
1319         /** This filter is documented in wp-admin/admin-header.php */
1320         $admin_body_classes = apply_filters( 'admin_body_class', '' );
1321
1322 ?>
1323 <body class="wp-admin wp-core-ui <?php echo $admin_body_classes . ' ' . $admin_body_class; ?>">
1324         <div id="adminbar" class="adminbar">
1325                 <h1 id="current-site" class="current-site">
1326                         <a class="current-site-link" href="<?php echo esc_url( home_url( '/' ) ); ?>" target="_blank" rel="home">
1327                                 <span class="dashicons dashicons-wordpress"></span>
1328                                 <span class="current-site-name"><?php bloginfo( 'name' ); ?></span>
1329                         </a>
1330                 </h1>
1331                 <button type="button" class="options button-link closed">
1332                         <span class="dashicons dashicons-tag on-closed"></span>
1333                         <span class="screen-reader-text on-closed"><?php _e( 'Show post options' ); ?></span>
1334                         <span aria-hidden="true" class="on-open"><?php _e( 'Done' ); ?></span>
1335                         <span class="screen-reader-text on-open"><?php _e( 'Hide post options' ); ?></span>
1336                 </button>
1337         </div>
1338
1339         <div id="scanbar" class="scan">
1340                 <form method="GET">
1341                         <label for="url-scan" class="screen-reader-text"><?php _e( 'Scan site for content' ); ?></label>
1342                         <input type="url" name="u" id="url-scan" class="scan-url" value="" placeholder="<?php esc_attr_e( 'Enter a URL to scan' ) ?>" />
1343                         <input type="submit" name="url-scan-submit" id="url-scan-submit" class="scan-submit" value="<?php esc_attr_e( 'Scan' ) ?>" />
1344                 </form>
1345         </div>
1346
1347         <form id="pressthis-form" method="post" action="post.php" autocomplete="off">
1348                 <input type="hidden" name="post_ID" id="post_ID" value="<?php echo $post_ID; ?>" />
1349                 <input type="hidden" name="action" value="press-this-save-post" />
1350                 <input type="hidden" name="post_status" id="post_status" value="draft" />
1351                 <input type="hidden" name="wp-preview" id="wp-preview" value="" />
1352                 <input type="hidden" name="post_title" id="post_title" value="" />
1353                 <input type="hidden" name="pt-force-redirect" id="pt-force-redirect" value="" />
1354                 <?php
1355
1356                 wp_nonce_field( 'update-post_' . $post_ID, '_wpnonce', false );
1357                 wp_nonce_field( 'add-category', '_ajax_nonce-add-category', false );
1358
1359                 ?>
1360
1361         <div class="wrapper">
1362                 <div class="editor-wrapper">
1363                         <div class="alerts" role="alert" aria-live="assertive" aria-relevant="all" aria-atomic="true">
1364                                 <?php
1365
1366                                 if ( isset( $data['v'] ) && $this->version > $data['v'] ) {
1367                                         ?>
1368                                         <p class="alert is-notice">
1369                                                 <?php printf( __( 'You should upgrade <a href="%s" target="_blank">your bookmarklet</a> to the latest version!' ), admin_url( 'tools.php' ) ); ?>
1370                                         </p>
1371                                         <?php
1372                                 }
1373
1374                                 ?>
1375                         </div>
1376
1377                         <div id="app-container" class="editor">
1378                                 <span id="title-container-label" class="post-title-placeholder" aria-hidden="true"><?php _e( 'Post title' ); ?></span>
1379                                 <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>
1380
1381                                 <div class="media-list-container">
1382                                         <div class="media-list-inner-container">
1383                                                 <h2 class="screen-reader-text"><?php _e( 'Suggested media' ); ?></h2>
1384                                                 <ul class="media-list"></ul>
1385                                         </div>
1386                                 </div>
1387
1388                                 <?php
1389                                 wp_editor( $post_content, 'pressthis', array(
1390                                         'drag_drop_upload' => true,
1391                                         'editor_height'    => 600,
1392                                         'media_buttons'    => false,
1393                                         'textarea_name'    => 'post_content',
1394                                         'teeny'            => true,
1395                                         'tinymce'          => array(
1396                                                 'resize'                => false,
1397                                                 'wordpress_adv_hidden'  => false,
1398                                                 'add_unload_trigger'    => false,
1399                                                 'statusbar'             => false,
1400                                                 'autoresize_min_height' => 600,
1401                                                 'wp_autoresize_on'      => true,
1402                                                 'plugins'               => 'lists,media,paste,tabfocus,fullscreen,wordpress,wpautoresize,wpeditimage,wpgallery,wplink,wptextpattern,wpview',
1403                                                 'toolbar1'              => 'bold,italic,bullist,numlist,blockquote,link,unlink',
1404                                                 'toolbar2'              => 'undo,redo',
1405                                         ),
1406                                         'quicktags' => array(
1407                                                 'buttons' => 'strong,em,link,block,del,ins,img,ul,ol,li,code,more',
1408                                         ),
1409                                 ) );
1410
1411                                 ?>
1412                         </div>
1413                 </div>
1414
1415                 <div class="options-panel-back is-hidden" tabindex="-1"></div>
1416                 <div class="options-panel is-off-screen is-hidden" tabindex="-1">
1417                         <div class="post-options">
1418
1419                                 <?php if ( $supports_formats ) : ?>
1420                                         <button type="button" class="button-link post-option">
1421                                                 <span class="dashicons dashicons-admin-post"></span>
1422                                                 <span class="post-option-title"><?php _ex( 'Format', 'post format' ); ?></span>
1423                                                 <span class="post-option-contents" id="post-option-post-format"><?php echo esc_html( get_post_format_string( $post_format ) ); ?></span>
1424                                                 <span class="dashicons post-option-forward"></span>
1425                                         </button>
1426                                 <?php endif; ?>
1427
1428                                 <button type="button" class="button-link post-option">
1429                                         <span class="dashicons dashicons-category"></span>
1430                                         <span class="post-option-title"><?php _e( 'Categories' ); ?></span>
1431                                         <span class="dashicons post-option-forward"></span>
1432                                 </button>
1433
1434                                 <button type="button" class="button-link post-option">
1435                                         <span class="dashicons dashicons-tag"></span>
1436                                         <span class="post-option-title"><?php _e( 'Tags' ); ?></span>
1437                                         <span class="dashicons post-option-forward"></span>
1438                                 </button>
1439                         </div>
1440
1441                         <?php if ( $supports_formats ) : ?>
1442                                 <div class="setting-modal is-off-screen is-hidden">
1443                                         <button type="button" class="button-link modal-close">
1444                                                 <span class="dashicons post-option-back"></span>
1445                                                 <span class="setting-title" aria-hidden="true"><?php _ex( 'Format', 'post format' ); ?></span>
1446                                                 <span class="screen-reader-text"><?php _e( 'Back to post options' ) ?></span>
1447                                         </button>
1448                                         <?php $this->post_formats_html( $post ); ?>
1449                                 </div>
1450                         <?php endif; ?>
1451
1452                         <div class="setting-modal is-off-screen is-hidden">
1453                                 <button type="button" class="button-link modal-close">
1454                                         <span class="dashicons post-option-back"></span>
1455                                         <span class="setting-title" aria-hidden="true"><?php _e( 'Categories' ); ?></span>
1456                                         <span class="screen-reader-text"><?php _e( 'Back to post options' ) ?></span>
1457                                 </button>
1458                                 <?php $this->categories_html( $post ); ?>
1459                         </div>
1460
1461                         <div class="setting-modal tags is-off-screen is-hidden">
1462                                 <button type="button" class="button-link modal-close">
1463                                         <span class="dashicons post-option-back"></span>
1464                                         <span class="setting-title" aria-hidden="true"><?php _e( 'Tags' ); ?></span>
1465                                         <span class="screen-reader-text"><?php _e( 'Back to post options' ) ?></span>
1466                                 </button>
1467                                 <?php $this->tags_html( $post ); ?>
1468                         </div>
1469                 </div><!-- .options-panel -->
1470         </div><!-- .wrapper -->
1471
1472         <div class="press-this-actions">
1473                 <div class="pressthis-media-buttons">
1474                         <button type="button" class="insert-media button-link" data-editor="pressthis">
1475                                 <span class="dashicons dashicons-admin-media"></span>
1476                                 <span class="screen-reader-text"><?php _e( 'Add Media' ); ?></span>
1477                         </button>
1478                 </div>
1479                 <div class="post-actions">
1480                         <span class="spinner">&nbsp;</span>
1481                         <div class="split-button">
1482                                 <div class="split-button-head">
1483                                         <button type="button" class="publish-button split-button-primary" aria-live="polite">
1484                                                 <span class="publish"><?php echo ( current_user_can( 'publish_posts' ) ) ? __( 'Publish' ) : __( 'Submit for Review' ); ?></span>
1485                                                 <span class="saving-draft"><?php _e( 'Saving&hellip;' ); ?></span>
1486                                         </button><button type="button" class="split-button-toggle" aria-haspopup="true" aria-expanded="false">
1487                                                 <i class="dashicons dashicons-arrow-down-alt2"></i>
1488                                                 <span class="screen-reader-text"><?php _e('More actions'); ?></span>
1489                                         </button>
1490                                 </div>
1491                                 <ul class="split-button-body">
1492                                         <li><button type="button" class="button-link draft-button split-button-option"><?php _e( 'Save Draft' ); ?></button></li>
1493                                         <li><button type="button" class="button-link standard-editor-button split-button-option"><?php _e( 'Standard Editor' ); ?></button></li>
1494                                         <li><button type="button" class="button-link preview-button split-button-option"><?php _e( 'Preview' ); ?></button></li>
1495                                 </ul>
1496                         </div>
1497                 </div>
1498         </div>
1499         </form>
1500
1501         <?php
1502         /** This action is documented in wp-admin/admin-footer.php */
1503         do_action( 'admin_footer' );
1504
1505         /** This action is documented in wp-admin/admin-footer.php */
1506         do_action( 'admin_print_footer_scripts-press-this.php' );
1507
1508         /** This action is documented in wp-admin/admin-footer.php */
1509         do_action( 'admin_print_footer_scripts' );
1510
1511         /** This action is documented in wp-admin/admin-footer.php */
1512         do_action( 'admin_footer-press-this.php' );
1513         ?>
1514 </body>
1515 </html>
1516 <?php
1517                 die();
1518         }
1519 }
1520
1521 /**
1522  *
1523  * @global WP_Press_This $wp_press_this
1524  */
1525 $GLOBALS['wp_press_this'] = new WP_Press_This;