Public Post Preview - Version 2.4

Version Description

(2014-08-21): * Supports EditFlow and custom statuses * Disables comments and pings during public post preview * Adds Public Preview to the list of display states used in the Posts list table * Prevents flickering of link box on Post edit while loading

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Release Info

Developer ocean90
Plugin Icon 128x128 Public Post Preview
Version 2.4
Comparing to
See all releases

Code changes from version 2.3 to 2.4

Files changed (6) hide show
  1. js/public-post-preview.js +0 -3
  2. js/public-post-preview.min.js +1 -6
  3. lang/ds-public-post-preview-nb_NO.mo +0 -0
  4. lang/ds-public-post-preview-nb_NO.po +73 -0
  5. public-post-preview.php +139 -61
  6. readme.txt +10 -13
js/public-post-preview.js CHANGED
@@ -16,9 +16,6 @@
16
 
17
  t.status.css( 'opacity', 0 );
18
 
19
- if ( ! t.checkbox.prop( 'checked' ) )
20
- t.link.hide();
21
-
22
  t.checkbox.bind( 'change', function() {
23
  t.change();
24
  } );
16
 
17
  t.status.css( 'opacity', 0 );
18
 
 
 
 
19
  t.checkbox.bind( 'change', function() {
20
  t.change();
21
  } );
js/public-post-preview.min.js CHANGED
@@ -1,6 +1 @@
1
- (function(a){DSPublicPostPreview={initialize:function(){var b=this;b.checkbox=a("#public-post-preview");b.link=a("#public-post-preview-link");b.nonce=a("#public_post_preview_wpnonce");
2
- b.status=a("#public-post-preview-ajax");b.status.css("opacity",0);if(!b.checkbox.prop("checked")){b.link.hide();}b.checkbox.bind("change",function(){b.change();
3
- });},change:function(){var b=this,c=b.checkbox.prop("checked")?1:0;b.link.toggle();b.checkbox.prop("disabled","disabled");b.request({_ajax_nonce:b.nonce.val(),checked:c,post_ID:a("#post_ID").val()},function(d){if(d){if(c){b.status.text(DSPublicPostPreviewL10n.enabled);
4
- b._pulsate(b.status,"green");}else{b.status.text(DSPublicPostPreviewL10n.disabled);b._pulsate(b.status,"red");}}b.checkbox.prop("disabled","");});},request:function(b,c){a.ajax({type:"POST",url:ajaxurl,data:a.extend(b,{action:"public-post-preview"}),success:c});
5
- },_pulsate:function(c,b){c.css("color",b).animate({opacity:1},600,"linear").animate({opacity:0},600,"linear",function(){c.empty();});}};a(DSPublicPostPreview.initialize());
6
- })(jQuery);
1
+ (function(a){DSPublicPostPreview={initialize:function(){var b=this;b.checkbox=a("#public-post-preview");b.link=a("#public-post-preview-link");b.nonce=a("#public_post_preview_wpnonce");b.status=a("#public-post-preview-ajax");b.status.css("opacity",0);b.checkbox.bind("change",function(){b.change();});},change:function(){var b=this,c=b.checkbox.prop("checked")?1:0;b.link.toggle();b.checkbox.prop("disabled","disabled");b.request({_ajax_nonce:b.nonce.val(),checked:c,post_ID:a("#post_ID").val()},function(d){if(d){if(c){b.status.text(DSPublicPostPreviewL10n.enabled);b._pulsate(b.status,"green");}else{b.status.text(DSPublicPostPreviewL10n.disabled);b._pulsate(b.status,"red");}}b.checkbox.prop("disabled","");});},request:function(b,c){a.ajax({type:"POST",url:ajaxurl,data:a.extend(b,{action:"public-post-preview"}),success:c});},_pulsate:function(c,b){c.css("color",b).animate({opacity:1},600,"linear").animate({opacity:0},600,"linear",function(){c.empty();});}};a(DSPublicPostPreview.initialize());})(jQuery);
 
 
 
 
 
lang/ds-public-post-preview-nb_NO.mo ADDED
Binary file
lang/ds-public-post-preview-nb_NO.po ADDED
@@ -0,0 +1,73 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ msgid ""
2
+ msgstr ""
3
+ "Project-Id-Version: Public Post Preview\n"
4
+ "POT-Creation-Date: 2015-06-17 21:22+0100\n"
5
+ "PO-Revision-Date: 2015-06-17 21:24+0100\n"
6
+ "Last-Translator: Bjørn Johansen <post@bjornjohansen.no>\n"
7
+ "Language-Team: Bjørn Johansen <post@bjornjohansen.no>\n"
8
+ "Language: nb_NO\n"
9
+ "MIME-Version: 1.0\n"
10
+ "Content-Type: text/plain; charset=UTF-8\n"
11
+ "Content-Transfer-Encoding: 8bit\n"
12
+ "X-Generator: Poedit 1.8.1\n"
13
+ "X-Poedit-Basepath: ..\n"
14
+ "X-Poedit-WPHeader: public-post-preview.php\n"
15
+ "Plural-Forms: nplurals=2; plural=(n != 1);\n"
16
+ "X-Poedit-SourceCharset: UTF-8\n"
17
+ "X-Poedit-KeywordsList: __;_e;_n:1,2;_x:1,2c;_ex:1,2c;_nx:4c,1,2;esc_attr__;"
18
+ "esc_attr_e;esc_attr_x:1,2c;esc_html__;esc_html_e;esc_html_x:1,2c;_n_noop:1,2;"
19
+ "_nx_noop:3c,1,2;__ngettext_noop:1,2\n"
20
+ "X-Poedit-SearchPath-0: .\n"
21
+ "X-Poedit-SearchPathExcluded-0: *.js\n"
22
+
23
+ #: public-post-preview.php:129
24
+ msgid "Enabled!"
25
+ msgstr "Aktivert!"
26
+
27
+ #: public-post-preview.php:130
28
+ msgid "Disabled!"
29
+ msgstr "Deaktivert!"
30
+
31
+ #: public-post-preview.php:142
32
+ msgid "Public Preview"
33
+ msgstr "Offentlig forhåndsvisning"
34
+
35
+ #: public-post-preview.php:215
36
+ msgid "Enable public preview"
37
+ msgstr "Aktiver offentlig forhåndsvisning"
38
+
39
+ #: public-post-preview.php:220
40
+ msgid "(Copy and share this link.)"
41
+ msgstr "(Kopiér og del denne lenken)."
42
+
43
+ #: public-post-preview.php:401
44
+ msgid "The link has been expired!"
45
+ msgstr "Lenken er utgått!"
46
+
47
+ #: public-post-preview.php:405
48
+ msgid "No Public Preview available!"
49
+ msgstr "Ingen offentlig forhåndsvisning tilgjengelig!"
50
+
51
+ #. Plugin Name of the plugin/theme
52
+ msgid "Public Post Preview"
53
+ msgstr "Public Post Preview"
54
+
55
+ #. Plugin URI of the plugin/theme
56
+ msgid "http://wpgrafie.de/wp-plugins/public-post-preview/en/"
57
+ msgstr "http://wpgrafie.de/wp-plugins/public-post-preview/en/"
58
+
59
+ #. Description of the plugin/theme
60
+ msgid ""
61
+ "Enables you to give a link to anonymous users for public preview of any post "
62
+ "type before it is published."
63
+ msgstr ""
64
+ "Lar deg dele en lenke med anonyme brukere for offentlig forhåndsvisning av "
65
+ "hvilken som helst posttype før den er publisert."
66
+
67
+ #. Author of the plugin/theme
68
+ msgid "Dominik Schilling"
69
+ msgstr "Dominik Schilling"
70
+
71
+ #. Author URI of the plugin/theme
72
+ msgid "http://wphelper.de/"
73
+ msgstr "http://wphelper.de/"
public-post-preview.php CHANGED
@@ -1,7 +1,7 @@
1
  <?php
2
  /**
3
  * Plugin Name: Public Post Preview
4
- * Version: 2.3
5
  * Description: Enables you to give a link to anonymous users for public preview of any post type before it is published.
6
  * Author: Dominik Schilling
7
  * Author URI: http://wphelper.de/
@@ -14,7 +14,7 @@
14
  *
15
  * Previously (2009-2011) maintained by Jonathan Dingman and Matt Martz.
16
  *
17
- * Copyright (C) 2012-2013 Dominik Schilling
18
  *
19
  * This program is free software; you can redistribute it and/or
20
  * modify it under the terms of the GNU General Public License
@@ -50,6 +50,8 @@ if ( ! class_exists( 'WP' ) ) {
50
  * - posts_results
51
  * - wp_ajax_public-post-preview
52
  * - admin_enqueue_scripts
 
 
53
  *
54
  * Inits at 'plugins_loaded' hook.
55
  *
@@ -82,6 +84,8 @@ class DS_Public_Post_Preview {
82
  add_action( 'wp_ajax_public-post-preview', array( __CLASS__, 'ajax_register_public_preview' ) );
83
 
84
  add_action( 'admin_enqueue_scripts' , array( __CLASS__, 'enqueue_script' ) );
 
 
85
  }
86
  }
87
 
@@ -104,8 +108,9 @@ class DS_Public_Post_Preview {
104
  * @since 2.0.0
105
  */
106
  public static function enqueue_script( $hook_suffix ) {
107
- if ( ! in_array( $hook_suffix, array( 'post.php', 'post-new.php' ) ) )
108
  return;
 
109
 
110
  $suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
111
 
@@ -128,7 +133,20 @@ class DS_Public_Post_Preview {
128
  }
129
 
130
  /**
131
- * Adds the checkbox to the submit metabox
 
 
 
 
 
 
 
 
 
 
 
 
 
132
  *
133
  * @since 2.2.0
134
  */
@@ -141,11 +159,19 @@ class DS_Public_Post_Preview {
141
 
142
  $post = get_post();
143
 
144
- if ( ! in_array( $post->post_type, $post_types ) )
145
  return false;
 
146
 
147
- if ( ! in_array( $post->post_status, array( 'draft', 'pending', 'future' ) ) )
 
148
  return false;
 
 
 
 
 
 
149
 
150
  ?>
151
  <div class="misc-pub-section public-post-preview">
@@ -156,23 +182,41 @@ class DS_Public_Post_Preview {
156
  }
157
 
158
  /**
159
- * Prints the checkbox if the is draft, pending or future.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
160
  *
 
161
  */
162
  private static function get_checkbox_html( $post ) {
163
- if ( empty( $post ) )
164
  $post = get_post();
 
165
 
166
  wp_nonce_field( 'public_post_preview', 'public_post_preview_wpnonce' );
167
 
168
  $preview_post_ids = self::get_preview_post_ids();
 
169
  ?>
170
- <label><input type="checkbox"<?php checked( in_array( $post->ID, $preview_post_ids ) ); ?> name="public_post_preview" id="public-post-preview" value="1" />
171
  <?php _e( 'Enable public preview', 'ds-public-post-preview' ); ?> <span id="public-post-preview-ajax"></span></label>
172
 
173
- <div id="public-post-preview-link" style="margin-top:6px">
174
  <label>
175
- <input type="text" name="public_post_preview_link" class="regular-text" value="<?php echo esc_attr( self::get_preview_link( $post->ID ) ); ?>" style="width:99%" readonly />
176
  <span class="description"><?php _e( '(Copy and share this link.)', 'ds-public-post-preview' ); ?></span>
177
  </label>
178
  </div>
@@ -180,27 +224,40 @@ class DS_Public_Post_Preview {
180
  }
181
 
182
  /**
183
- * Returns the public preview link.
184
- *
185
- * The link is the permalink with these parameters:
186
- * - preview, always true (query var for core)
187
- * - _ppp, a custom nonce, see DS_Public_Post_Preview::create_nonce()
188
- *
189
- * @since 2.0.0
190
- *
191
- * @param int $post_id The post id.
192
- * @return string The generated public preview link.
193
- */
194
- private static function get_preview_link( $post_id ) {
195
- $link = add_query_arg(
196
- array(
197
- 'preview' => true,
198
- '_ppp' => self::create_nonce( 'public_post_preview_' . $post_id ),
199
- ),
200
- get_permalink( $post_id )
201
- );
 
 
 
 
 
 
 
 
 
 
 
202
 
203
- return apply_filters( 'ppp_preview_link', $link, $post_id );
 
 
204
  }
205
 
206
  /**
@@ -215,32 +272,36 @@ class DS_Public_Post_Preview {
215
  * @return bool Returns false on a failure, true on a success.
216
  */
217
  public static function register_public_preview( $post_id, $post ) {
218
- if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
219
  return false;
 
220
 
221
- if ( wp_is_post_revision( $post_id ) )
222
  return false;
 
223
 
224
- if ( empty( $_POST['public_post_preview_wpnonce'] ) || ! wp_verify_nonce( $_POST['public_post_preview_wpnonce'], 'public_post_preview' ) )
225
  return false;
 
226
 
227
  $preview_post_ids = self::get_preview_post_ids();
228
  $preview_post_id = $post->ID;
229
 
230
- if ( empty( $_POST['public_post_preview'] ) && in_array( $preview_post_id, $preview_post_ids ) )
231
  $preview_post_ids = array_diff( $preview_post_ids, (array) $preview_post_id );
232
- elseif (
233
  ! empty( $_POST['public_post_preview'] ) &&
234
  ! empty( $_POST['original_post_status'] ) &&
235
  'publish' != $_POST['original_post_status'] &&
236
  'publish' == $post->post_status &&
237
  in_array( $preview_post_id, $preview_post_ids )
238
- )
239
  $preview_post_ids = array_diff( $preview_post_ids, (array) $preview_post_id );
240
- elseif ( ! empty( $_POST['public_post_preview'] ) && ! in_array( $preview_post_id, $preview_post_ids ) )
241
  $preview_post_ids = array_merge( $preview_post_ids, (array) $preview_post_id );
242
- else
243
- return false; // Nothing changed.
 
244
 
245
  return self::set_preview_post_ids( $preview_post_ids );
246
  }
@@ -258,25 +319,29 @@ class DS_Public_Post_Preview {
258
  $preview_post_id = (int) $_POST['post_ID'];
259
  $post = get_post( $preview_post_id );
260
 
261
- if ( ( 'page' == $post->post_type && ! current_user_can( 'edit_page', $preview_post_id ) ) || ! current_user_can( 'edit_post', $preview_post_id ) )
262
  wp_die( 0 );
 
263
 
264
- if ( ! in_array( $post->post_status, array( 'draft', 'pending', 'future' ) ) )
265
  wp_die( 0 );
 
266
 
267
  $preview_post_ids = self::get_preview_post_ids();
268
 
269
- if ( empty( $_POST['checked'] ) && in_array( $preview_post_id, $preview_post_ids ) )
270
  $preview_post_ids = array_diff( $preview_post_ids, (array) $preview_post_id );
271
- elseif ( ! empty( $_POST['checked'] ) && ! in_array( $preview_post_id, $preview_post_ids ) )
272
  $preview_post_ids = array_merge( $preview_post_ids, (array) $preview_post_id );
273
- else
274
  wp_die( 0 );
 
275
 
276
  $ret = self::set_preview_post_ids( $preview_post_ids );
277
 
278
- if ( ! $ret )
279
  wp_die( 0 );
 
280
 
281
  wp_die( 1 );
282
  }
@@ -284,7 +349,7 @@ class DS_Public_Post_Preview {
284
  /**
285
  * Registers the new query var `_ppp`.
286
  *
287
- * @since 2.1
288
  *
289
  * @return array List of query variables.
290
  */
@@ -311,8 +376,9 @@ class DS_Public_Post_Preview {
311
  $query->is_preview() &&
312
  $query->is_singular() &&
313
  $query->get( '_ppp' )
314
- )
315
  add_filter( 'posts_results', array( __CLASS__, 'set_post_to_publish' ), 10, 2 );
 
316
 
317
  return $query;
318
  }
@@ -326,15 +392,18 @@ class DS_Public_Post_Preview {
326
  * @param int $post_id The post id.
327
  * @return bool True if a public preview is allowed, false on a failure.
328
  */
329
- private static function public_preview_available( $post_id ) {
330
- if ( empty( $post_id ) )
331
  return false;
 
332
 
333
- if ( ! self::verify_nonce( get_query_var( '_ppp' ), 'public_post_preview_' . $post_id ) )
334
  wp_die( __( 'The link has been expired!', 'ds-public-post-preview' ) );
 
335
 
336
- if ( ! in_array( $post_id, self::get_preview_post_ids() ) )
337
  wp_die( __( 'No Public Preview available!', 'ds-public-post-preview' ) );
 
338
 
339
  return true;
340
  }
@@ -351,32 +420,38 @@ class DS_Public_Post_Preview {
351
  // Remove the filter again, otherwise it will be applied to other queries too.
352
  remove_filter( 'posts_results', array( __CLASS__, 'set_post_to_publish' ), 10, 2 );
353
 
354
- if ( empty( $posts ) )
355
  return;
 
356
 
357
  $post_id = $posts[0]->ID;
358
 
359
  // If the post has gone live, redirect to it's proper permalink
360
  self::maybe_redirect_to_published_post( $post_id );
361
 
362
- if ( self::public_preview_available( $post_id ) )
 
363
  $posts[0]->post_status = 'publish';
364
 
 
 
 
 
 
365
  return $posts;
366
  }
367
 
368
  /**
369
- * Sets the post status of the first post to publish, so we don't have to do anything
370
- * *too* hacky to get it to load the preview.
371
  *
372
  * @since 2.0.0
373
  *
374
  * @param int $post_id The post id.
375
- * @return boolean False, if post isn't published.
376
  */
377
  private static function maybe_redirect_to_published_post( $post_id ) {
378
- if ( 'publish' != get_post_status( $post_id ) )
379
  return false;
 
380
 
381
  wp_redirect( get_permalink( $post_id ), 301 );
382
  exit;
@@ -428,12 +503,14 @@ class DS_Public_Post_Preview {
428
  $i = self::nonce_tick();
429
 
430
  // Nonce generated 0-12 hours ago
431
- if ( substr( wp_hash( $i . $action, 'nonce' ), -12, 10 ) == $nonce )
432
  return 1;
 
433
 
434
  // Nonce generated 12-24 hours ago
435
- if ( substr( wp_hash( ( $i - 1 ) . $action, 'nonce' ), -12, 10 ) == $nonce )
436
  return 2;
 
437
 
438
  // Invalid nonce
439
  return false;
@@ -471,8 +548,9 @@ class DS_Public_Post_Preview {
471
  */
472
  private static function get_plugin_info( $key = null ) {
473
  $plugin_data = get_plugin_data( __FILE__);
474
- if ( array_key_exists( $key, $plugin_data ) )
475
  return $plugin_data[ $key ];
 
476
 
477
  return false;
478
  }
1
  <?php
2
  /**
3
  * Plugin Name: Public Post Preview
4
+ * Version: 2.4
5
  * Description: Enables you to give a link to anonymous users for public preview of any post type before it is published.
6
  * Author: Dominik Schilling
7
  * Author URI: http://wphelper.de/
14
  *
15
  * Previously (2009-2011) maintained by Jonathan Dingman and Matt Martz.
16
  *
17
+ * Copyright (C) 2012-2014 Dominik Schilling
18
  *
19
  * This program is free software; you can redistribute it and/or
20
  * modify it under the terms of the GNU General Public License
50
  * - posts_results
51
  * - wp_ajax_public-post-preview
52
  * - admin_enqueue_scripts
53
+ * - comments_open
54
+ * - pings_open
55
  *
56
  * Inits at 'plugins_loaded' hook.
57
  *
84
  add_action( 'wp_ajax_public-post-preview', array( __CLASS__, 'ajax_register_public_preview' ) );
85
 
86
  add_action( 'admin_enqueue_scripts' , array( __CLASS__, 'enqueue_script' ) );
87
+
88
+ add_filter( 'display_post_states', array( __CLASS__, 'display_preview_state' ), 20, 2 );
89
  }
90
  }
91
 
108
  * @since 2.0.0
109
  */
110
  public static function enqueue_script( $hook_suffix ) {
111
+ if ( ! in_array( $hook_suffix, array( 'post.php', 'post-new.php' ) ) ) {
112
  return;
113
+ }
114
 
115
  $suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
116
 
133
  }
134
 
135
  /**
136
+ * Adds "Public Preview" to the list of display states used in the Posts list table.
137
+ *
138
+ * @since 2.4.0
139
+ */
140
+ public static function display_preview_state( $post_states, $post ) {
141
+ if ( in_array( $post->ID, self::get_preview_post_ids() ) ) {
142
+ $post_states['ppp_enabled'] = __( 'Public Preview', 'ds-public-post-preview' );
143
+ }
144
+
145
+ return $post_states;
146
+ }
147
+
148
+ /**
149
+ * Adds the checkbox to the submit metabox.
150
  *
151
  * @since 2.2.0
152
  */
159
 
160
  $post = get_post();
161
 
162
+ if ( ! in_array( $post->post_type, $post_types ) ) {
163
  return false;
164
+ }
165
 
166
+ // Do nothing for auto drafts
167
+ if ( $post->post_status == 'auto-draft' ) {
168
  return false;
169
+ }
170
+
171
+ // Post is already published
172
+ if ( in_array( $post->post_status, self::get_published_statuses() ) ) {
173
+ return false;
174
+ }
175
 
176
  ?>
177
  <div class="misc-pub-section public-post-preview">
182
  }
183
 
184
  /**
185
+ * Returns post statuses which represent a published post.
186
+ *
187
+ * @since 2.4.0
188
+ *
189
+ * @return array List with post statuses.
190
+ */
191
+ private static function get_published_statuses() {
192
+ $published_statuses = array( 'publish', 'private' );
193
+
194
+ return apply_filters( 'ppp_published_statuses', $published_statuses );
195
+ }
196
+
197
+ /**
198
+ * Prints the checkbox with the input field for the preview link.
199
+ *
200
+ * @since 2.0.0
201
  *
202
+ * @param WP_Post $post The post object.
203
  */
204
  private static function get_checkbox_html( $post ) {
205
+ if ( empty( $post ) ) {
206
  $post = get_post();
207
+ }
208
 
209
  wp_nonce_field( 'public_post_preview', 'public_post_preview_wpnonce' );
210
 
211
  $preview_post_ids = self::get_preview_post_ids();
212
+ $enabeld = in_array( $post->ID, $preview_post_ids );
213
  ?>
214
+ <label><input type="checkbox"<?php checked( $enabeld ); ?> name="public_post_preview" id="public-post-preview" value="1" />
215
  <?php _e( 'Enable public preview', 'ds-public-post-preview' ); ?> <span id="public-post-preview-ajax"></span></label>
216
 
217
+ <div id="public-post-preview-link" style="margin-top:6px"<?php echo $enabeld ? '' : ' class="hidden"'; ?>>
218
  <label>
219
+ <input type="text" name="public_post_preview_link" class="regular-text" value="<?php echo esc_attr( self::get_preview_link( $post ) ); ?>" style="width:99%" readonly />
220
  <span class="description"><?php _e( '(Copy and share this link.)', 'ds-public-post-preview' ); ?></span>
221
  </label>
222
  </div>
224
  }
225
 
226
  /**
227
+ * Returns the public preview link.
228
+ *
229
+ * The link is the home link with these parameters:
230
+ * - preview, always true (query var for core)
231
+ * - _ppp, a custom nonce, see DS_Public_Post_Preview::create_nonce()
232
+ * - page_id or p or p and post_type to specify the post.
233
+ *
234
+ * @since 2.0.0
235
+ *
236
+ * @param WP_Post $post The post object.
237
+ * @return string The generated public preview link.
238
+ */
239
+ private static function get_preview_link( $post ) {
240
+ if ( 'page' == $post->post_type ) {
241
+ $args = array(
242
+ 'page_id' => $post->ID,
243
+ );
244
+ } else if ( 'post' == $post->post_type ) {
245
+ $args = array(
246
+ 'p' => $post->ID,
247
+ );
248
+ } else {
249
+ $args = array(
250
+ 'p' => $post->ID,
251
+ 'post_type' => $post->post_type,
252
+ );
253
+ }
254
+
255
+ $args['preview'] = true;
256
+ $args['_ppp'] = self::create_nonce( 'public_post_preview_' . $post->ID );
257
 
258
+ $link = add_query_arg( $args, home_url( '/' ) );
259
+
260
+ return apply_filters( 'ppp_preview_link', $link, $post->ID, $post );
261
  }
262
 
263
  /**
272
  * @return bool Returns false on a failure, true on a success.
273
  */
274
  public static function register_public_preview( $post_id, $post ) {
275
+ if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
276
  return false;
277
+ }
278
 
279
+ if ( wp_is_post_revision( $post_id ) ) {
280
  return false;
281
+ }
282
 
283
+ if ( empty( $_POST['public_post_preview_wpnonce'] ) || ! wp_verify_nonce( $_POST['public_post_preview_wpnonce'], 'public_post_preview' ) ) {
284
  return false;
285
+ }
286
 
287
  $preview_post_ids = self::get_preview_post_ids();
288
  $preview_post_id = $post->ID;
289
 
290
+ if ( empty( $_POST['public_post_preview'] ) && in_array( $preview_post_id, $preview_post_ids ) ) {
291
  $preview_post_ids = array_diff( $preview_post_ids, (array) $preview_post_id );
292
+ } elseif (
293
  ! empty( $_POST['public_post_preview'] ) &&
294
  ! empty( $_POST['original_post_status'] ) &&
295
  'publish' != $_POST['original_post_status'] &&
296
  'publish' == $post->post_status &&
297
  in_array( $preview_post_id, $preview_post_ids )
298
+ ) {
299
  $preview_post_ids = array_diff( $preview_post_ids, (array) $preview_post_id );
300
+ } elseif ( ! empty( $_POST['public_post_preview'] ) && ! in_array( $preview_post_id, $preview_post_ids ) ) {
301
  $preview_post_ids = array_merge( $preview_post_ids, (array) $preview_post_id );
302
+ } else {
303
+ return false; // Nothing has changed.
304
+ }
305
 
306
  return self::set_preview_post_ids( $preview_post_ids );
307
  }
319
  $preview_post_id = (int) $_POST['post_ID'];
320
  $post = get_post( $preview_post_id );
321
 
322
+ if ( ( 'page' == $post->post_type && ! current_user_can( 'edit_page', $preview_post_id ) ) || ! current_user_can( 'edit_post', $preview_post_id ) ) {
323
  wp_die( 0 );
324
+ }
325
 
326
+ if ( in_array( $post->post_status, self::get_published_statuses() ) ) {
327
  wp_die( 0 );
328
+ }
329
 
330
  $preview_post_ids = self::get_preview_post_ids();
331
 
332
+ if ( empty( $_POST['checked'] ) && in_array( $preview_post_id, $preview_post_ids ) ) {
333
  $preview_post_ids = array_diff( $preview_post_ids, (array) $preview_post_id );
334
+ } elseif ( ! empty( $_POST['checked'] ) && ! in_array( $preview_post_id, $preview_post_ids ) ) {
335
  $preview_post_ids = array_merge( $preview_post_ids, (array) $preview_post_id );
336
+ } else {
337
  wp_die( 0 );
338
+ }
339
 
340
  $ret = self::set_preview_post_ids( $preview_post_ids );
341
 
342
+ if ( ! $ret ) {
343
  wp_die( 0 );
344
+ }
345
 
346
  wp_die( 1 );
347
  }
349
  /**
350
  * Registers the new query var `_ppp`.
351
  *
352
+ * @since 2.1.0
353
  *
354
  * @return array List of query variables.
355
  */
376
  $query->is_preview() &&
377
  $query->is_singular() &&
378
  $query->get( '_ppp' )
379
+ ) {
380
  add_filter( 'posts_results', array( __CLASS__, 'set_post_to_publish' ), 10, 2 );
381
+ }
382
 
383
  return $query;
384
  }
392
  * @param int $post_id The post id.
393
  * @return bool True if a public preview is allowed, false on a failure.
394
  */
395
+ private static function is_public_preview_available( $post_id ) {
396
+ if ( empty( $post_id ) ) {
397
  return false;
398
+ }
399
 
400
+ if ( ! self::verify_nonce( get_query_var( '_ppp' ), 'public_post_preview_' . $post_id ) ) {
401
  wp_die( __( 'The link has been expired!', 'ds-public-post-preview' ) );
402
+ }
403
 
404
+ if ( ! in_array( $post_id, self::get_preview_post_ids() ) ) {
405
  wp_die( __( 'No Public Preview available!', 'ds-public-post-preview' ) );
406
+ }
407
 
408
  return true;
409
  }
420
  // Remove the filter again, otherwise it will be applied to other queries too.
421
  remove_filter( 'posts_results', array( __CLASS__, 'set_post_to_publish' ), 10, 2 );
422
 
423
+ if ( empty( $posts ) ) {
424
  return;
425
+ }
426
 
427
  $post_id = $posts[0]->ID;
428
 
429
  // If the post has gone live, redirect to it's proper permalink
430
  self::maybe_redirect_to_published_post( $post_id );
431
 
432
+ if ( self::is_public_preview_available( $post_id ) ) {
433
+ // Set post status to publish so that it's visible
434
  $posts[0]->post_status = 'publish';
435
 
436
+ // Disable comments and pings for this post
437
+ add_filter( 'comments_open', '__return_false' );
438
+ add_filter( 'pings_open', '__return_false' );
439
+ }
440
+
441
  return $posts;
442
  }
443
 
444
  /**
445
+ * Redirects to post's proper permalink, if it has gone live.
 
446
  *
447
  * @since 2.0.0
448
  *
449
  * @param int $post_id The post id.
 
450
  */
451
  private static function maybe_redirect_to_published_post( $post_id ) {
452
+ if ( ! in_array( get_post_status( $post_id ), self::get_published_statuses() ) ) {
453
  return false;
454
+ }
455
 
456
  wp_redirect( get_permalink( $post_id ), 301 );
457
  exit;
503
  $i = self::nonce_tick();
504
 
505
  // Nonce generated 0-12 hours ago
506
+ if ( substr( wp_hash( $i . $action, 'nonce' ), -12, 10 ) == $nonce ) {
507
  return 1;
508
+ }
509
 
510
  // Nonce generated 12-24 hours ago
511
+ if ( substr( wp_hash( ( $i - 1 ) . $action, 'nonce' ), -12, 10 ) == $nonce ) {
512
  return 2;
513
+ }
514
 
515
  // Invalid nonce
516
  return false;
548
  */
549
  private static function get_plugin_info( $key = null ) {
550
  $plugin_data = get_plugin_data( __FILE__);
551
+ if ( array_key_exists( $key, $plugin_data ) ) {
552
  return $plugin_data[ $key ];
553
+ }
554
 
555
  return false;
556
  }
readme.txt CHANGED
@@ -3,8 +3,8 @@ Contributors: ocean90
3
  Tags: public, post, preview, posts, custom post types, draft
4
  Donate link: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=VR8YU922B7K46
5
  Requires at least: 3.5
6
- Tested up to: 3.9
7
- Stable tag: 2.3
8
  License: GPLv2 or later
9
  License URI: http://www.gnu.org/licenses/gpl-2.0.html
10
 
@@ -53,17 +53,6 @@ To upload the plugin through WordPress, instead of FTP:
53
 
54
  1. Edit Posts Page
55
 
56
- == Upgrade Notice ==
57
-
58
- = 2.2 =
59
- Based on feedback: Removed the extra metabox and added preview link to the main Publish metabox. Requires now WordPress 3.5
60
-
61
- = 2.1 =
62
- The update fixes a rare issue which had created 404 errors.
63
-
64
- = 2.0 =
65
- New plugin maintainer, supports now all public post types, saves preview status via an AJAX request, ready for translation, requires at least WordPress 3.3.
66
-
67
  == Usage ==
68
  * To enable a public post preview check the box below the edit post box.
69
  * The link will be displayed if the checkbox is checked, just copy and share the link with your friends.
@@ -85,7 +74,15 @@ function my_nonce_life() {
85
  return 60 * 60 * 24 * 5; // 5 days
86
  }`
87
 
 
 
88
  == Change Log ==
 
 
 
 
 
 
89
  = 2.3 (2013-11-18): =
90
  * Introduces a filter `ppp_preview_link`. With the filter you can adjust the preview link.
91
  * If a post has gone live, redirect to it's proper permalink.
3
  Tags: public, post, preview, posts, custom post types, draft
4
  Donate link: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=VR8YU922B7K46
5
  Requires at least: 3.5
6
+ Tested up to: 4.0
7
+ Stable tag: 2.4
8
  License: GPLv2 or later
9
  License URI: http://www.gnu.org/licenses/gpl-2.0.html
10
 
53
 
54
  1. Edit Posts Page
55
 
 
 
 
 
 
 
 
 
 
 
 
56
  == Usage ==
57
  * To enable a public post preview check the box below the edit post box.
58
  * The link will be displayed if the checkbox is checked, just copy and share the link with your friends.
74
  return 60 * 60 * 24 * 5; // 5 days
75
  }`
76
 
77
+ Or use the [Public Post Preview Configurator](https://wordpress.org/plugins/public-post-preview-configurator/).
78
+
79
  == Change Log ==
80
+ = 2.4 (2014-08-21):
81
+ * Supports EditFlow and custom statuses
82
+ * Disables comments and pings during public post preview
83
+ * Adds **Public Preview** to the list of display states used in the Posts list table
84
+ * Prevents flickering of link box on Post edit while loading
85
+
86
  = 2.3 (2013-11-18): =
87
  * Introduces a filter `ppp_preview_link`. With the filter you can adjust the preview link.
88
  * If a post has gone live, redirect to it's proper permalink.