activitypub / integration / class-classic-editor.php

class-classic-editor.php in ActivityPub 7.8.2, at integration/class-classic-editor.php

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1	<?php
2	/**
3	* Classic Editor integration file.
4	*
5	* @package Activitypub
6	*/
7
8	namespace Activitypub\Integration;
9
10	/**
11	* Classic Editor integration class.
12	*
13	* Handles compatibility with the Classic Editor plugin and sites without block editor support.
14	*/
15	class Classic_Editor {
16
17	/**
18	* Initialize the class, registering WordPress hooks.
19	*/
20	public static function init() {
21	\add_filter( 'activitypub_attachments_media_markup', array( self::class, 'filter_attachments_media_markup' ), 10, 2 );
22	\add_filter( 'activitypub_attachment_ids', array( self::class, 'filter_attached_media_ids' ), 10, 2 );
23	\add_action( 'add_meta_boxes', array( self::class, 'add_meta_box' ) );
24	\add_action( 'save_post', array( self::class, 'save_meta_data' ) );
25	}
26
27	/**
28	* Filter attachment media markup to use shortcodes instead of blocks.
29	*
30	* @param string $markup The custom markup. Empty string by default.
31	* @param array $attachment_ids Array of attachment IDs.
32	*
33	* @return string The generated shortcode markup.
34	*/
35	public static function filter_attachments_media_markup( $markup, $attachment_ids ) {
36	if ( empty( $attachment_ids ) ) {
37	return $markup;
38	}
39
40	$type = strtok( \get_post_mime_type( $attachment_ids[0] ), '/' );
41
42	// Single video or audio file: use media shortcode.
43	if ( 1 === \count( $attachment_ids ) && ( 'video' === $type \|\| 'audio' === $type ) ) {
44	return sprintf(
45	'[%1$s src="%2$s"]',
46	\esc_attr( $type ),
47	\esc_url( \wp_get_attachment_url( $attachment_ids[0] ) )
48	);
49	}
50
51	// Multiple attachments or images: use gallery shortcode.
52	return '[gallery ids="' . implode( ',', $attachment_ids ) . '" link="none"]';
53	}
54
55	/**
56	* Filter to add attached media IDs from the post's media library.
57	*
58	* Returns additional image attachments from the post's media library,
59	* respecting the maximum image attachment limit. Only returns new
60	* attachments that can be added without exceeding the limit.
61	*
62	* @param array $attachments The current list of attachments.
63	* @param \WP_Post $item The post item.
64	*
65	* @return array Array of new media IDs to add (as associative arrays with 'id' key).
66	* Returns empty array if already at or over the limit.
67	*/
68	public static function filter_attached_media_ids( $attachments, $item ) {
69	$max_media = \get_option( 'activitypub_max_image_attachments', \ACTIVITYPUB_MAX_IMAGE_ATTACHMENTS );
70	$actual_count = \max( 0, $max_media - \count( $attachments ) );
71
72	if ( $actual_count <= 0 ) {
73	return $attachments;
74	}
75
76	$query = new \WP_Query(
77	array(
78	'post_parent' => $item->ID,
79	'post_status' => 'inherit',
80	'post_type' => 'attachment',
81	'post_mime_type' => 'image',
82	'order' => 'ASC',
83	'orderby' => 'menu_order ID',
84	'fields' => 'ids',
85	'posts_per_page' => $actual_count,
86	)
87	);
88
89	// Transform IDs into associative arrays.
90	$media_ids = \array_map(
91	static function ( $id ) {
92	return array( 'id' => $id );
93	},
94	$query->get_posts()
95	);
96
97	return \array_merge( $attachments, $media_ids );
98	}
99
100	/**
101	* Add ActivityPub meta box to the post editor.
102	*
103	* @param string $post_type The post type.
104	*/
105	public static function add_meta_box( $post_type ) {
106	// Only add for post types that support ActivityPub.
107	if ( ! \post_type_supports( $post_type, 'activitypub' ) ) {
108	return;
109	}
110
111	\add_meta_box(
112	'activitypub-settings',
113	\__( 'Fediverse ⁂', 'activitypub' ),
114	array( self::class, 'render_meta_box' ),
115	$post_type,
116	'side',
117	'default'
118	);
119	}
120
121	/**
122	* Render the ActivityPub meta box.
123	*
124	* @param \WP_Post $post The post object.
125	*/
126	public static function render_meta_box( $post ) {
127	// Add nonce for security.
128	\wp_nonce_field( 'activitypub_meta_box', 'activitypub_meta_box_nonce' );
129
130	// Get current values.
131	$content_warning = \get_post_meta( $post->ID, 'activitypub_content_warning', true );
132	$max_image_attachments = \get_post_meta( $post->ID, 'activitypub_max_image_attachments', true );
133	$content_visibility = self::get_default_visibility( $post );
134	$quote_interaction = \get_post_meta( $post->ID, 'activitypub_interaction_policy_quote', true ) ?: ACTIVITYPUB_INTERACTION_POLICY_ANYONE;
135
136	?>
137	<p>
138	<label for="activitypub_content_warning">
139	<strong><?php \esc_html_e( 'Content Warning', 'activitypub' ); ?></strong>
140	</label><br />
141	<input type="text" id="activitypub_content_warning" name="activitypub_content_warning" value="<?php echo \esc_attr( $content_warning ); ?>" class="widefat" placeholder="<?php \esc_attr_e( 'Optional content warning', 'activitypub' ); ?>" />
142	<span class="howto"><?php \esc_html_e( 'Content warnings do not change the content on your site, only in the fediverse.', 'activitypub' ); ?></span>
143	</p>
144
145	<p>
146	<label for="activitypub_max_image_attachments">
147	<strong><?php \esc_html_e( 'Maximum Image Attachments', 'activitypub' ); ?></strong>
148	</label><br />
149	<input type="number" id="activitypub_max_image_attachments" name="activitypub_max_image_attachments" value="<?php echo \esc_attr( $max_image_attachments ); ?>" min="0" max="10" class="small-text" />
150	<span class="howto"><?php \esc_html_e( 'Maximum number of image attachments to include when sharing to the fediverse.', 'activitypub' ); ?></span>
151	</p>
152
153	<p>
154	<strong><?php \esc_html_e( 'Visibility', 'activitypub' ); ?></strong><br />
155	<label>
156	<input type="radio" name="activitypub_content_visibility" value="public" <?php \checked( $content_visibility, ACTIVITYPUB_CONTENT_VISIBILITY_PUBLIC ); ?> />
157	<?php \esc_html_e( 'Public', 'activitypub' ); ?>
158	</label><br />
159	<label>
160	<input type="radio" name="activitypub_content_visibility" value="quiet_public" <?php \checked( $content_visibility, ACTIVITYPUB_CONTENT_VISIBILITY_QUIET_PUBLIC ); ?> />
161	<?php \esc_html_e( 'Quiet public', 'activitypub' ); ?>
162	</label><br />
163	<label>
164	<input type="radio" name="activitypub_content_visibility" value="local" <?php \checked( $content_visibility, ACTIVITYPUB_CONTENT_VISIBILITY_LOCAL ); ?> />
165	<?php \esc_html_e( 'Do not federate', 'activitypub' ); ?>
166	</label><br />
167	<span class="howto"><?php \esc_html_e( 'This adjusts the visibility of a post in the fediverse, but note that it won\'t affect how the post appears on the blog.', 'activitypub' ); ?></span>
168	</p>
169
170	<p>
171	<label for="activitypub_interaction_policy_quote">
172	<strong><?php \esc_html_e( 'Who can quote this post?', 'activitypub' ); ?></strong>
173	</label><br />
174	<select id="activitypub_interaction_policy_quote" name="activitypub_interaction_policy_quote" class="widefat">
175	<option value="anyone" <?php \selected( $quote_interaction, ACTIVITYPUB_INTERACTION_POLICY_ANYONE ); ?>><?php \esc_html_e( 'Anyone', 'activitypub' ); ?></option>
176	<option value="followers" <?php \selected( $quote_interaction, ACTIVITYPUB_INTERACTION_POLICY_FOLLOWERS ); ?>><?php \esc_html_e( 'Followers only', 'activitypub' ); ?></option>
177	<option value="me" <?php \selected( $quote_interaction, ACTIVITYPUB_INTERACTION_POLICY_ME ); ?>><?php \esc_html_e( 'Just me', 'activitypub' ); ?></option>
178	</select>
179	<span class="howto"><?php \esc_html_e( 'Quoting allows others to cite your post while adding their own commentary.', 'activitypub' ); ?></span>
180	</p>
181	<?php
182	}
183
184	/**
185	* Get default visibility based on post age and federation status.
186	*
187	* @param \WP_Post $post The post object.
188	*
189	* @return string The default visibility value.
190	*/
191	private static function get_default_visibility( $post ) {
192	// If already set, use that value.
193	$saved_visibility = \get_post_meta( $post->ID, 'activitypub_content_visibility', true );
194	if ( $saved_visibility ) {
195	return $saved_visibility;
196	}
197
198	// If post is federated, use public.
199	$status = \get_post_meta( $post->ID, 'activitypub_status', true );
200	if ( 'federated' === $status ) {
201	return ACTIVITYPUB_CONTENT_VISIBILITY_PUBLIC;
202	}
203
204	// If post is older than 1 month, default to local.
205	$post_timestamp = \strtotime( $post->post_date );
206	$one_month_ago = \strtotime( '-30 days' );
207
208	if ( $post_timestamp < $one_month_ago ) {
209	return ACTIVITYPUB_CONTENT_VISIBILITY_LOCAL;
210	}
211
212	// Default to public for new posts.
213	return ACTIVITYPUB_CONTENT_VISIBILITY_PUBLIC;
214	}
215
216	/**
217	* Save ActivityPub meta data.
218	*
219	* @param int $post_id The post ID.
220	*/
221	public static function save_meta_data( $post_id ) {
222	// Check if this is an autosave.
223	if ( \defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
224	return;
225	}
226
227	// Only process for post types that support ActivityPub.
228	if ( ! \post_type_supports( \get_post_type( $post_id ), 'activitypub' ) ) {
229	return;
230	}
231
232	// Check user permissions.
233	if ( ! \current_user_can( 'edit_post', $post_id ) ) {
234	return;
235	}
236
237	// Verify nonce is present and valid.
238	if ( ! isset( $_POST['activitypub_meta_box_nonce'] ) ) {
239	return;
240	}
241
242	if ( ! \wp_verify_nonce( \sanitize_text_field( \wp_unslash( $_POST['activitypub_meta_box_nonce'] ) ), 'activitypub_meta_box' ) ) {
243	return;
244	}
245
246	// Save content warning.
247	if ( isset( $_POST['activitypub_content_warning'] ) ) {
248	$content_warning = \sanitize_text_field( \wp_unslash( $_POST['activitypub_content_warning'] ) );
249	if ( ! empty( $content_warning ) ) {
250	\update_post_meta( $post_id, 'activitypub_content_warning', $content_warning );
251	} else {
252	\delete_post_meta( $post_id, 'activitypub_content_warning' );
253	}
254	}
255
256	// Save max image attachments.
257	if ( isset( $_POST['activitypub_max_image_attachments'] ) ) {
258	$max_images = \absint( $_POST['activitypub_max_image_attachments'] );
259	\update_post_meta( $post_id, 'activitypub_max_image_attachments', $max_images );
260	}
261
262	// Save content visibility.
263	if ( isset( $_POST['activitypub_content_visibility'] ) ) {
264	$visibility = \sanitize_text_field( \wp_unslash( $_POST['activitypub_content_visibility'] ) );
265	\update_post_meta( $post_id, 'activitypub_content_visibility', $visibility );
266	}
267
268	// Save quote interaction policy.
269	if ( isset( $_POST['activitypub_interaction_policy_quote'] ) ) {
270	$quote_policy = \sanitize_text_field( \wp_unslash( $_POST['activitypub_interaction_policy_quote'] ) );
271	\update_post_meta( $post_id, 'activitypub_interaction_policy_quote', $quote_policy );
272	}
273	}
274	}
275