← All changes | includes/Admin/ImportExport.php +177 -23 3.2.11 → trunk View file →

		@@ -12,8 +12,26 @@
12	12	*/
13	13	class ImportExport{
14	14	use GetInstance;
15	15
	16	+ /**
	17	+ * Elementor meta keys that may cross the import/export boundary.
	18	+ *
	19	+ * Everything else is dropped. On import the incoming array used to be
	20	+ * looped verbatim into `add_post_meta()`, which let a caller write any meta
	21	+ * key it liked onto a post it had just created; on export every meta row of
	22	+ * the linked post was returned, which leaked whatever other plugins store
	23	+ * there.
	24	+ */
	25	+ const ELEMENTOR_META_ALLOWLIST = [
	26	+ '_elementor_data',
	27	+ '_elementor_edit_mode',
	28	+ '_elementor_template_type',
	29	+ '_elementor_page_settings',
	30	+ '_elementor_version',
	31	+ '_wp_page_template',
	32	+ ];
	33	+
16	34	public function __construct(){
17	35	add_filter('nx_settings_tab_miscellaneous', [$this, 'settings_tab_help']);
18	36	add_filter('upload_mimes', [$this, 'cc_mime_types']);
19	37	add_filter('nx_settings', [$this, 'save_settings']);
		@@ -156,8 +174,10 @@
156	174	return $tabs;
157	175	}
158	176
159	177	public function import($request){
	178	+ // Importing/exporting many notifications can exceed the default limit.
	179	+ // phpcs:ignore Squiz.PHP.DiscouragedFunctions.Discouraged
160	180	@set_time_limit(0);
161	181	$params = $request->get_params();
162	182	$status = 'error';
163	183	if(!empty($params['import'])){
		@@ -164,9 +184,24 @@
164	184	try {
165	185	$data = json_decode($params['import'], true);
166	186
167	187	if(!empty($data['settings'])){
168		- Settings::get_instance()->set('settings', $data['settings']);
	188	+ /*
	189	+ * This route resolves `edit_notificationx`, but replacing the
	190	+ * settings blob is settings authority. Writing through
	191	+ * `set()` also skipped the capability check, the `nx_settings`
	192	+ * filter and `preserve_protected_settings()` that the real
	193	+ * save path applies -- so import was a way around every guard
	194	+ * on `/settings`. Go through `save_settings()` instead.
	195	+ */
	196	+ if ( ! current_user_can( 'edit_notificationx_settings' ) ) {
	197	+ return new \WP_Error(
	198	+ 'nx_forbidden_settings_import',
	199	+ __( 'You are not allowed to import NotificationX settings.', 'notificationx' ),
	200	+ [ 'status' => 403 ]
	201	+ );
	202	+ }
	203	+ Settings::get_instance()->save_settings( $data['settings'] );
169	204	$status = 'success';
170	205	}
171	206
172	207	if(!empty($data['notifications'])){
		@@ -178,25 +213,18 @@
178	213	$nx_id = $post['nx_id'];
179	214	unset($post['nx_id']);
180	215	unset($post['id']);
181	216
182		- if($post['source'] == 'press_bar' && !empty($post['elementor_id'])){
183		- $elementor_data = $data['elementor'][$post['elementor_id']];
184		- unset($elementor_data['post']['ID']);
185		-
186		- $el_id = wp_insert_post($elementor_data['post']);
187		- foreach ($elementor_data['meta'] as $key => $value) {
188		- if($key == '_elementor_css') continue;
189		- foreach ($value as $s_value) {
190		- if($key == '_elementor_data'){
191		- $s_value = wp_slash( wp_json_encode(json_decode($s_value)));
192		- }
193		- add_post_meta($el_id, $key, $s_value);
194		- }
	217	+ if(isset($post['source']) && $post['source'] == 'press_bar' && !empty($post['elementor_id'])){
	218	+ $el_id = $this->import_elementor_document(
	219	+ isset($data['elementor'][$post['elementor_id']]) ? $data['elementor'][$post['elementor_id']] : []
	220	+ );
	221	+ if($el_id){
	222	+ $post['elementor_id'] = $el_id;
195	223	}
196		- $post['elementor_id'] = $el_id;
197		-
198		-
	224	+ else{
	225	+ unset($post['elementor_id']);
	226	+ }
199	227	}
200	228
201	229
202	230	$notification = PostType::get_instance()->save_post($post); //, ['no_hooks' => true]
		@@ -237,14 +265,30 @@
237	265	];
238	266	}
239	267
240	268	public function export($request){
	269	+ // Importing/exporting many notifications can exceed the default limit.
	270	+ // phpcs:ignore Squiz.PHP.DiscouragedFunctions.Discouraged
241	271	@set_time_limit(0);
242	272	$params = $request->get_params();
243	273	$export = [];
244	274	if(!empty($params['export-settings'])){
	275	+ if ( ! current_user_can( 'edit_notificationx_settings' ) ) {
	276	+ return new \WP_Error(
	277	+ 'nx_forbidden_settings_export',
	278	+ __( 'You are not allowed to export NotificationX settings.', 'notificationx' ),
	279	+ [ 'status' => 403 ]
	280	+ );
	281	+ }
245	282	$file_name = 'nx-settings-export.json';
246		- $export['settings'] = Settings::get_instance()->get('settings');
	283	+ /*
	284	+ * Credentials never travel in an export file. The download lands in
	285	+ * a Downloads folder and gets attached to support tickets; a live
	286	+ * OAuth refresh token or API key in there outlives any access
	287	+ * control the site applies. Import restores whatever the target site
	288	+ * already had, so a round trip does not blank integrations.
	289	+ */
	290	+ $export['settings'] = Settings::redact_secret_settings( Settings::get_instance()->get('settings') );
247	291	}
248	292	if(!empty($params['export-notification'])){
249	293	$where = [];
250	294	$file_name = 'nx-notification-export.json';
		@@ -269,14 +313,30 @@
269	313	]);
270	314	}
271	315
272	316	if(!empty($export['notifications'])){
273		- foreach ($export['notifications'] as $key => $post) {
274		- if($post['source'] == 'press_bar' && !empty($post['elementor_id'])){
275		- $export['elementor'][$post['elementor_id']]['post'] = get_post($post['elementor_id']);
	317	+ foreach ($export['notifications'] as $post) {
	318	+ if(isset($post['source']) && $post['source'] == 'press_bar' && !empty($post['elementor_id'])){
	319	+ /*
	320	+ * `elementor_id` is stored inside the notification's own
	321	+ * data blob, which is whatever the client submitted, and
	322	+ * `get_posts()` merges that blob up to the top level. So
	323	+ * this ID is attacker-controlled: without the type check
	324	+ * an `edit_notificationx` user could point it at any post
	325	+ * and read it back, with every meta row attached.
	326	+ */
	327	+ $linked = get_post( $post['elementor_id'] );
	328	+ if ( ! $linked || 'nx_bar' !== $linked->post_type ) {
	329	+ continue;
	330	+ }
	331	+
	332	+ $export['elementor'][$post['elementor_id']]['post'] = $linked;
276	333	$meta = get_post_meta($post['elementor_id']);
277		- foreach ($meta as $key => $value) {
278		- $export['elementor'][$post['elementor_id']]['meta'][$key] = array_map('maybe_unserialize', $value);
	334	+ foreach ($meta as $meta_key => $value) {
	335	+ if ( ! in_array( $meta_key, self::ELEMENTOR_META_ALLOWLIST, true ) ) {
	336	+ continue;
	337	+ }
	338	+ $export['elementor'][$post['elementor_id']]['meta'][$meta_key] = array_map('maybe_unserialize', $value);
279	339	}
280	340	}
281	341	}
282	342	}
		@@ -296,8 +356,102 @@
296	356	'export-status' => 'all',
297	357	]
298	358	]
299	359	];
	360	+ }
	361	+
	362	+ /**
	363	+ * Create the Elementor document that a `press_bar` notification links to.
	364	+ *
	365	+ * The previous implementation handed the client-supplied `post` array
	366	+ * straight to `wp_insert_post()` with only `ID` removed, so `post_type`,
	367	+ * `post_status` and `post_author` were all attacker-chosen -- an import file
	368	+ * could publish a page, authored by anyone, from a Contributor account. The
	369	+ * document is now built here and only its title is taken from the payload.
	370	+ *
	371	+ * @param array $document Untrusted `['post' => [...], 'meta' => [...]]`.
	372	+ * @return int New post ID, or 0 when nothing was created.
	373	+ */
	374	+ protected function import_elementor_document( $document ) {
	375	+ if ( empty( $document['post'] ) || ! is_array( $document['post'] ) ) {
	376	+ return 0;
	377	+ }
	378	+
	379	+ $incoming = $document['post'];
	380	+ $title = isset( $incoming['post_title'] ) ? sanitize_text_field( $incoming['post_title'] ) : '';
	381	+ if ( '' === $title ) {
	382	+ $title = __( 'NotificationX Bar', 'notificationx' );
	383	+ }
	384	+
	385	+ $el_id = wp_insert_post( [
	386	+ 'post_title' => wp_slash( $title ),
	387	+ 'post_content' => isset( $incoming['post_content'] ) ? wp_slash( (string) $incoming['post_content'] ) : '',
	388	+ 'post_type' => 'nx_bar',
	389	+ 'post_status' => current_user_can( 'publish_posts' ) ? 'publish' : 'pending',
	390	+ 'post_author' => get_current_user_id(),
	391	+ ], true );
	392	+
	393	+ if ( is_wp_error( $el_id ) || ! $el_id ) {
	394	+ return 0;
	395	+ }
	396	+
	397	+ /*
	398	+ * `_elementor_data` is a widget tree that Elementor renders on the front
	399	+ * end, and `add_post_meta()` applies no sanitising of its own. Elementor
	400	+ * gates raw markup on `unfiltered_html` in its own editor; mirror that
	401	+ * here so an import cannot become a route to stored XSS.
	402	+ */
	403	+ $allow_raw_html = current_user_can( 'unfiltered_html' );
	404	+ $meta = ( isset( $document['meta'] ) && is_array( $document['meta'] ) ) ? $document['meta'] : [];
	405	+
	406	+ foreach ( $meta as $meta_key => $values ) {
	407	+ if ( ! in_array( $meta_key, self::ELEMENTOR_META_ALLOWLIST, true ) ) {
	408	+ continue;
	409	+ }
	410	+
	411	+ foreach ( (array) $values as $value ) {
	412	+ if ( '_elementor_data' === $meta_key ) {
	413	+ $decoded = json_decode( is_string( $value ) ? $value : wp_json_encode( $value ), true );
	414	+ if ( null === $decoded ) {
	415	+ continue;
	416	+ }
	417	+ if ( ! $allow_raw_html ) {
	418	+ $decoded = self::kses_deep( $decoded );
	419	+ }
	420	+ $value = wp_slash( wp_json_encode( $decoded ) );
	421	+ }
	422	+ elseif ( is_string( $value ) && ! $allow_raw_html ) {
	423	+ $value = wp_kses_post( $value );
	424	+ }
	425	+
	426	+ /*
	427	+ * `update_` rather than `add_`: every allowlisted key is
	428	+ * single-valued, and `wp_insert_post()` has already written its
	429	+ * own `_wp_page_template` row. Appending left the imported value
	430	+ * behind WordPress's, so `get_post_meta( ..., true )` returned
	431	+ * the default and the imported template never took effect.
	432	+ */
	433	+ update_post_meta( $el_id, $meta_key, $value );
	434	+ }
	435	+ }
	436	+
	437	+ return $el_id;
	438	+ }
	439	+
	440	+ /**
	441	+ * Run `wp_kses_post()` over every string in a nested structure.
	442	+ *
	443	+ * @param mixed $value
	444	+ * @return mixed
	445	+ */
	446	+ protected static function kses_deep( $value ) {
	447	+ if ( is_array( $value ) ) {
	448	+ return array_map( [ __CLASS__, 'kses_deep' ], $value );
	449	+ }
	450	+ if ( is_string( $value ) ) {
	451	+ return wp_kses_post( $value );
	452	+ }
	453	+ return $value;
300	454	}
301	455
302	456	public function group_stats_by_nx_id($stats){
303	457	$new_stats = [];