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Search Atlas SEO – OTTO AI SEO Automation for WordPress / 2.7.1
Search Atlas SEO – OTTO AI SEO Automation for WordPress v2.7.1
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← All changes | includes/class-metasync-plugin-sync.php +764 -66 2.6.14 → 2.7.1 View file →
@@ -1,7 +1,7 @@
1 1 <?php
2 2 /**
3 - * Post-Level SEO Plugin Sync (WP-196)
3 + * Post-Level SEO Plugin Sync
4 4 *
5 5 * Mirrors MetaSync post meta (`_metasync_*`) into the active third-party
6 6 * SEO plugins' post storage (Yoast, Rank Math, AIOSEO) so that posts and
7 7 * pages render MetaSync-managed values regardless of which plugin is
@@ -6,8 +6,12 @@
6 6 * SEO plugins' post storage (Yoast, Rank Math, AIOSEO) so that posts and
7 7 * pages render MetaSync-managed values regardless of which plugin is
8 8 * actually rendering the frontend.
9 9 *
10 + * Manually edited fields mirror immediately. Values that OTTO generated for
11 + * itself are permitted into third-party storage only while the matching OTTO
12 + * Persistence setting is enabled — see OTTO_PERSISTENCE_KEYS.
13 + *
10 14 * @package MetaSync
11 15 * @subpackage MetaSync/includes
12 16 * @since 2.8.25
13 17 */
@@ -33,8 +37,22 @@
33 37 */
34 38 private $syncing_json_to_legacy = [];
35 39
36 40 /**
41 + * Guard: tracks post IDs currently being synced from legacy → JSON.
42 + *
43 + * Prevents sync_to_legacy_meta from firing in response to the JSON write
44 + * that sync_legacy_to_json just made. Without this the round trip is
45 + * lossy: the JSON format cannot distinguish "user explicitly chose the
46 + * default" from "nothing set" (the sidebar always emits max_snippet=-1
47 + * and max_image_preview=large), so the mirror back would discard the
48 + * legacy meta box values it had just derived the JSON from.
49 + *
50 + * @var array
51 + */
52 + private $syncing_legacy_to_json = [];
53 +
54 + /**
37 55 * MetaSync meta keys that trigger a sync when written.
38 56 *
39 57 * @var array
40 58 */
@@ -65,8 +83,34 @@
65 83 '_metasync_otto_keywords',
66 84 ];
67 85
68 86 /**
87 + * Internal OTTO meta keys mapped to the OTTO Persistence setting that
88 + * governs whether their value may reach third-party SEO plugin storage.
89 + *
90 + * OTTO writes these keys on every sync regardless of any setting, because
91 + * its own render filters and the admin reporting columns read them. Copying
92 + * one into Yoast / Rank Math / AIOSEO is a different act: it is a permanent
93 + * write into another plugin's storage that outlives MetaSync, which is
94 + * exactly what the Persistence settings exist to control.
95 + *
96 + * Manually edited MetaSync fields are deliberately absent from this map.
97 + * Saving those in the editor is an explicit user action, so they sync
98 + * immediately and never consult these settings.
99 + *
100 + * @var array<string,string>
101 + */
102 + const OTTO_PERSISTENCE_KEYS = [
103 + '_metasync_otto_title' => 'meta_title',
104 + '_metasync_otto_description' => 'meta_description',
105 + '_metasync_otto_keywords' => 'meta_keywords',
106 + '_metasync_otto_og_title' => 'og_title',
107 + '_metasync_otto_og_description' => 'og_description',
108 + '_metasync_otto_twitter_title' => 'twitter_title',
109 + '_metasync_otto_twitter_description' => 'twitter_description',
110 + ];
111 +
112 + /**
69 113 * Get singleton instance.
70 114 *
71 115 * @return self
72 116 */
@@ -77,8 +121,35 @@
77 121 return self::$instance;
78 122 }
79 123
80 124 /**
125 + * Whether a meta key's value may be mirrored into third-party SEO storage.
126 + *
127 + * Returns true for every key that is not an internal OTTO key, so manually
128 + * edited MetaSync fields are unaffected. For the OTTO keys the matching
129 + * Persistence setting decides.
130 + *
131 + * The class_exists() guard mirrors the call sites in
132 + * otto/metasync-otto-seo-functions.php, including their fail-closed
133 + * behaviour: a partially updated install can leave this file newer than the
134 + * settings class, and with the class missing there is no setting that could
135 + * authorise a permanent write into another plugin's storage.
136 + *
137 + * @param string $meta_key Meta key being written.
138 + * @return bool True when the value may be synced.
139 + */
140 + private function otto_persistence_allows($meta_key) {
141 + if (!isset(self::OTTO_PERSISTENCE_KEYS[$meta_key])) {
142 + return true;
143 + }
144 +
145 + return class_exists('Metasync_Otto_Persistence_Settings')
146 + && Metasync_Otto_Persistence_Settings::should_persist(
147 + self::OTTO_PERSISTENCE_KEYS[$meta_key]
148 + );
149 + }
150 +
151 + /**
81 152 * Sync MetaSync post meta to every active SEO plugin.
82 153 *
83 154 * When $fields is non-empty only those canonical keys are synced.
84 155 * When empty a full sync of all canonical keys is performed.
@@ -172,9 +243,11 @@
172 243 '_metasync_canonical_url' => 'canonical',
173 244 '_metasync_focus_keyword' => 'focus_keyword',
174 245 '_metasync_breadcrumb_title' => 'breadcrumb_title',
175 246 '_metasync_robots_advanced' => '_robots_advanced_json',
176 - // OTTO volatile keys (SSR writes these even without persistence)
247 + // Internal OTTO keys. OTTO stores these on every sync regardless of
248 + // any setting; whether they may reach third-party storage is decided
249 + // by OTTO_PERSISTENCE_KEYS above.
177 250 '_metasync_otto_title' => 'title',
178 251 '_metasync_otto_description' => 'desc',
179 252 '_metasync_otto_og_title' => 'og_title',
180 253 '_metasync_otto_og_description' => 'og_desc',
@@ -189,11 +262,20 @@
189 262 if (!isset($watched[$meta_key])) {
190 263 return;
191 264 }
192 265
266 + // An internal OTTO field reaches third-party SEO storage only while its
267 + // OTTO Persistence setting is enabled. With the setting off the value
268 + // stays stored under its own key -- OTTO keeps rendering and reporting
269 + // on it -- but Yoast / Rank Math / AIOSEO are left untouched. Manually
270 + // edited MetaSync fields are not in the map and so are never gated.
271 + if (!$this->otto_persistence_allows($meta_key)) {
272 + return;
273 + }
274 +
193 275 $canonical_key = $watched[$meta_key];
194 276
195 - // WP-197 JSON key -- do a full sync + mirror to legacy meta boxes
277 + // JSON key -- do a full sync + mirror to legacy meta boxes
196 278 if ($canonical_key === '_robots_advanced_json') {
197 279 $this->sync_post((int) $post_id);
198 280 $this->sync_to_legacy_meta((int) $post_id, $meta_value);
199 281 // Re-sync at shutdown only when Yoast is active — Yoast's indexable
@@ -201,8 +283,16 @@
201 283 if ($this->is_yoast_active()) {
202 284 $sync_instance = $this;
203 285 $sync_post_id = (int) $post_id;
204 286 add_action('shutdown', function() use ($sync_instance, $sync_post_id) {
287 + // By shutdown this request has typically seeded the OG defaults
288 + // memo for the post (the sync above reads it); the row write
289 + // has since landed, so drop the memo or the re-sync below
290 + // compares against the pre-save title/excerpt.
291 + // @phpstan-ignore-next-line function.alreadyNarrowedType
292 + if (method_exists('Metasync_OpenGraph', 'clear_default_og_values_memo')) {
293 + Metasync_OpenGraph::clear_default_og_values_memo();
294 + }
205 295 $sync_instance->sync_post($sync_post_id);
206 296 }, 0);
207 297 }
208 298 return;
@@ -226,8 +316,34 @@
226 316 [$canonical_key => $value]
227 317 );
228 318 }
229 319
320 + /**
321 + * Hook handler for deleted_post_meta.
322 + *
323 + * Only the legacy meta box keys are handled here. Unticking the last
324 + * checkbox in the Common Robots meta box deletes metasync_common_robots
325 + * instead of updating it, so without a delete hook the mirrored
326 + * _metasync_robots_advanced JSON kept the stale directive — and because the
327 + * JSON is the highest-priority source in the output resolver, the page went
328 + * on emitting a directive the editor had just cleared.
329 + *
330 + * Deletes of the JSON key itself are deliberately NOT routed into
331 + * on_meta_updated: that path mirrors the value back onto the legacy meta
332 + * boxes, so an empty value would wipe them.
333 + *
334 + * @param array $meta_ids Meta row IDs (unused).
335 + * @param int $post_id Post ID.
336 + * @param string $meta_key Meta key being deleted.
337 + */
338 + public function on_meta_deleted($meta_ids, $post_id, $meta_key) {
339 + if ($meta_key !== 'metasync_common_robots' && $meta_key !== 'metasync_advance_robots') {
340 + return;
341 + }
342 +
343 + $this->sync_legacy_to_json((int) $post_id);
344 + }
345 +
230 346 // ------------------------------------------------------------------
231 347 // Data collection
232 348 // ------------------------------------------------------------------
233 349
@@ -241,27 +357,113 @@
241 357 * @param array $fields Optional pre-resolved canonical key/value pairs.
242 358 * @return array Canonical data array.
243 359 */
244 360 private function collect_post_data($post_id, array $fields = []) {
245 - // If caller already resolved specific fields, return them directly
361 + // If caller already resolved specific fields, return them directly.
362 + // Canonical still gets validated — this branch serves the
363 + // updated_post_meta fast-path, which would otherwise mirror a raw
364 + // (possibly corrupted) value into third-party storage.
246 365 if (!empty($fields)) {
247 - return $fields;
366 + if (array_key_exists('canonical', $fields)) {
367 + $fields['canonical'] = Metasync_Canonical_Sanitizer::sanitize($fields['canonical']);
368 + if ($fields['canonical'] === '') {
369 + unset($fields['canonical']);
370 + }
371 + }
372 +
373 + // Same reasoning for the social title/description fields: on this
374 + // fast-path the value arrives straight from the meta write, so a stored
375 + // "Auto Draft" pre-fill placeholder would be mirrored verbatim into
376 + // Yoast/RankMath/AIOSEO and emitted there as og:title. Drop it instead so
377 + // each plugin keeps whatever it already has.
378 + // @phpstan-ignore-next-line function.alreadyNarrowedType
379 + if (method_exists('Metasync_OpenGraph', 'is_auto_draft_title')) {
380 + foreach (['og_title', 'og_desc', 'twitter_title', 'twitter_desc'] as $social_field) {
381 + if (array_key_exists($social_field, $fields)
382 + && Metasync_OpenGraph::is_auto_draft_title($fields[$social_field])
383 + ) {
384 + unset($fields[$social_field]);
385 + }
386 + }
387 + }
388 +
389 + return $this->apply_feature_flags_to_payload($fields);
248 390 }
249 391
250 392 $all_meta = get_post_custom($post_id);
251 393
252 - $get = function ($key) use ($all_meta) {
394 + $get = function ($key) use ($all_meta, $post_id) {
253 395 if (!isset($all_meta[$key])) {
254 396 return '';
255 397 }
256 - return is_array($all_meta[$key]) ? $all_meta[$key][0] : $all_meta[$key];
398 + $value = is_array($all_meta[$key]) ? $all_meta[$key][0] : $all_meta[$key];
399 +
400 + // The meta box pre-fills the social title/description fields from the post
401 + // title, which is the "Auto Draft" placeholder on a brand-new post. Collapse
402 + // it to '' here so the placeholder is never mirrored into Yoast/RankMath/
403 + // AIOSEO storage, where those plugins would emit it as og:title.
404 + // Same sanitize-at-the-source placement as Metasync_Canonical_Sanitizer below.
405 + //
406 + // method_exists (not just class_exists) for the same reason
407 + // sync_layer_handles() checks: this runs on meta writes during front-end
408 + // requests, and a partially updated install can leave an older
409 + // class-metasync-opengraph.php beside this file.
410 + // @phpstan-ignore-next-line function.alreadyNarrowedType
411 + if (method_exists('Metasync_OpenGraph', 'strip_auto_draft_title')
412 + && defined('Metasync_OpenGraph::AUTO_DRAFT_PRONE_KEYS')
413 + && in_array($key, Metasync_OpenGraph::AUTO_DRAFT_PRONE_KEYS, true)
414 + ) {
415 + $value = Metasync_OpenGraph::strip_auto_draft_title($value);
416 + }
417 +
418 + // A social title that is a verbatim snapshot of the post title is the
419 + // old pre-fill, not a customization — mirroring it would hand a
420 + // third-party plugin a copy that a rename leaves stale (and that
421 + // outranks OTTO's fresh value there). Collapsed for the same reason
422 + // as the placeholder above; the chain in $first then falls through
423 + // to OTTO's staging key.
424 + // @phpstan-ignore-next-line function.alreadyNarrowedType
425 + if (method_exists('Metasync_OpenGraph', 'strip_title_snapshot')
426 + && defined('Metasync_OpenGraph::TITLE_DEFAULTED_KEYS')
427 + && in_array($key, Metasync_OpenGraph::TITLE_DEFAULTED_KEYS, true)
428 + ) {
429 + $value = Metasync_OpenGraph::strip_title_snapshot($post_id, $key, $value);
430 + }
431 +
432 + // A social description that is a verbatim snapshot of the resolved
433 + // excerpt is the old pre-fill, not a customization — mirroring it
434 + // would hand a third-party plugin a copy that a later excerpt or
435 + // content edit leaves stale. Collapsed for the same reason as the
436 + // title snapshot above.
437 + // @phpstan-ignore-next-line function.alreadyNarrowedType
438 + if (method_exists('Metasync_OpenGraph', 'strip_description_snapshot')
439 + && defined('Metasync_OpenGraph::DESCRIPTION_DEFAULTED_KEYS')
440 + && in_array($key, Metasync_OpenGraph::DESCRIPTION_DEFAULTED_KEYS, true)
441 + ) {
442 + $value = Metasync_OpenGraph::strip_description_snapshot($post_id, $key, $value);
443 + }
444 +
445 + return $value;
257 446 };
258 447
259 448 $data = [];
260 449
261 - // Helper: first non-empty value from a list of meta keys
450 + // Helper: first non-empty value from a list of meta keys.
451 + //
452 + // Internal OTTO keys are skipped while their OTTO Persistence setting is
453 + // disabled. Gating here and not only in on_meta_updated() is what makes
454 + // the setting hold for the callers that re-read meta themselves rather
455 + // than passing a resolved field: the sync at the end of OTTO SSR
456 + // processing (metasync_update_comprehensive_seo_fields), the MCP OTTO
457 + // refresh tool, and the robots full-sync branch below.
458 + //
459 + // Each chain lists the manually edited key first and the internal OTTO
460 + // key last, so a customer-entered value is unaffected and still wins.
262 461 $first = function (...$keys) use ($get) {
263 462 foreach ($keys as $key) {
463 + if (!$this->otto_persistence_allows($key)) {
464 + continue;
465 + }
264 466 $val = $get($key);
265 467 if (!empty($val)) {
266 468 return $val;
267 469 }
@@ -268,21 +470,32 @@
268 470 }
269 471 return '';
270 472 };
271 473
272 - // title: sidebar > persisted OTTO > volatile OTTO
273 - $data['title'] = $first('_metasync_seo_title', '_metasync_metatitle', '_metasync_otto_title');
474 + // Order comes from Metasync_Seo_Precedence, the one place it is defined.
475 + //
476 + // Imported values come last so a sync triggered by something else still
477 + // reports a title rather than an empty one. They are deliberately NOT in
478 + // WATCHED_KEYS or the on_meta_updated map above: a sync mirrors the
479 + // canonical value into an active third-party plugin's own storage, and
480 + // that plugin renders at a higher effective precedence than OTTO — so
481 + // syncing on an imported write would put the imported title back in
482 + // front of OTTO, which is the exact behaviour this key exists to avoid.
483 + $data['title'] = $first(...Metasync_Seo_Precedence::keys(Metasync_Seo_Precedence::FIELD_TITLE));
274 484
275 - // desc: sidebar > persisted OTTO > volatile OTTO
276 - $data['desc'] = $first('_metasync_seo_desc', '_metasync_metadesc', '_metasync_otto_description');
485 + $data['desc'] = $first(...Metasync_Seo_Precedence::keys(Metasync_Seo_Precedence::FIELD_DESCRIPTION));
277 486
278 - // Robots directives: check _metasync_robots_advanced JSON first (WP-197),
487 + // Robots directives: check _metasync_robots_advanced JSON first,
279 488 // then fall back to metasync_common_robots array + metasync_advance_robots array
280 489 $robots_json_raw = $get('_metasync_robots_advanced');
281 490 $robots_json = !empty($robots_json_raw) ? json_decode($robots_json_raw, true) : null;
282 491
283 492 if (is_array($robots_json)) {
284 - $data['noindex'] = !empty($robots_json['noindex']);
493 + $data['noindex'] = $this->resolve_synced_noindex(
494 + $robots_json,
495 + $get('_metasync_robots_index'),
496 + $get('metasync_common_robots')
497 + );
285 498 $data['nofollow'] = !empty($robots_json['nofollow']);
286 499 $data['noarchive'] = !empty($robots_json['noarchive']);
287 500 $data['nosnippet'] = !empty($robots_json['nosnippet']);
288 501 $data['noimageindex'] = !empty($robots_json['noimageindex']);
@@ -289,11 +502,15 @@
289 502 $data['max_snippet'] = isset($robots_json['max_snippet']) ? (int) $robots_json['max_snippet'] : (isset($robots_json['max-snippet']) ? (int) $robots_json['max-snippet'] : null);
290 503 $data['max_image_preview'] = $robots_json['max_image_preview'] ?? $robots_json['max-image-preview'] ?? null;
291 504 $data['max_video_preview'] = isset($robots_json['max_video_preview']) ? (int) $robots_json['max_video_preview'] : (isset($robots_json['max-video-preview']) ? (int) $robots_json['max-video-preview'] : null);
292 505 } else {
293 - // noindex from dedicated key
294 - $robots_index = $get('_metasync_robots_index');
295 - $data['noindex'] = ($robots_index === 'noindex');
506 + // noindex: dedicated key, falling back to the Common Robots checkbox
507 + // array — same sources the front-end emitter honours.
508 + $data['noindex'] = $this->resolve_synced_noindex(
509 + null,
510 + $get('_metasync_robots_index'),
511 + $get('metasync_common_robots')
512 + );
296 513
297 514 // Common robots array (serialized)
298 515 $common_raw = $get('metasync_common_robots');
299 516 $common_robots = !empty($common_raw) ? maybe_unserialize($common_raw) : [];
@@ -312,11 +529,22 @@
312 529 if (!is_array($adv_robots)) {
313 530 $adv_robots = [];
314 531 }
315 532
316 - $data['max_snippet'] = isset($adv_robots['max-snippet']) ? (int) $adv_robots['max-snippet'] : null;
317 - $data['max_image_preview'] = isset($adv_robots['max-image-preview']) ? $adv_robots['max-image-preview'] : null;
318 - $data['max_video_preview'] = isset($adv_robots['max-video-preview']) ? (int) $adv_robots['max-video-preview'] : null;
533 + // Each advance-robots directive is stored as ['enable' => .., 'length' => ..].
534 + // Read the length scalar (honouring the enable flag) instead of casting the
535 + // whole sub-array — (int) of a non-empty array is 1, which is what produced the
536 + // "max-snippet:1" instead of "-1" and dropped the image-preview value. Mirrors
537 + // sync_legacy_to_json() so both directions read the legacy format identically.
538 + $data['max_snippet'] = !empty($adv_robots['max-snippet']['enable'])
539 + ? (isset($adv_robots['max-snippet']['length']) ? (int) $adv_robots['max-snippet']['length'] : -1)
540 + : null;
541 + $data['max_image_preview'] = !empty($adv_robots['max-image-preview']['enable'])
542 + ? (isset($adv_robots['max-image-preview']['length']) ? (string) $adv_robots['max-image-preview']['length'] : 'large')
543 + : null;
544 + $data['max_video_preview'] = !empty($adv_robots['max-video-preview']['enable'])
545 + ? (isset($adv_robots['max-video-preview']['length']) ? (int) $adv_robots['max-video-preview']['length'] : -1)
546 + : null;
319 547 }
320 548
321 549 // Social / OG: persisted > volatile OTTO
322 550 $data['og_title'] = $first('_metasync_og_title', '_metasync_otto_og_title');
@@ -328,15 +556,96 @@
328 556 $data['twitter_desc'] = $first('_metasync_twitter_description', '_metasync_otto_twitter_description');
329 557 $data['twitter_card'] = $get('_metasync_twitter_card');
330 558
331 559 // Canonical, focus keyword, breadcrumb
332 - $data['canonical'] = $get('_metasync_canonical_url');
560 + // Canonical is validated at the source so a corrupted value ("Array")
561 + // never propagates into Yoast/RankMath/AIOSEO storage.
562 + $data['canonical'] = Metasync_Canonical_Sanitizer::sanitize($get('_metasync_canonical_url'));
333 563 $data['focus_keyword'] = $first('_metasync_focus_keyword', '_metasync_otto_keywords');
334 564 $data['breadcrumb_title'] = $get('_metasync_breadcrumb_title');
335 565
566 + return $this->apply_feature_flags_to_payload($data);
567 + }
568 +
569 + /**
570 + * Drop payload keys whose owning feature is switched off in Editor Settings.
571 + *
572 + * A disabled meta box means MetaSync must not interfere with that feature
573 + * anywhere: it emits nothing, suppresses nothing, and — the part this
574 + * guard covers — does not mirror its values into Yoast / Rank Math /
575 + * AIOSEO storage. Without the drop, a sync fired while the feature is off
576 + * resolves the MetaSync value with the feature already stripped and then
577 + * writes that result over the third-party plugin's own value (Rank Math's
578 + * stored noindex replaced by a plain 'index'). The writers are all
579 + * array_key_exists-guarded, so removing a key here skips every write of it.
580 + *
581 + * @param array $data Canonical payload keyed by canonical field name.
582 + * @return array
583 + */
584 + private function apply_feature_flags_to_payload(array $data) {
585 + if (Metasync_Feature_Flags::is_disabled(Metasync_Feature_Flags::COMMON_ROBOTS)) {
586 + unset(
587 + $data['noindex'],
588 + $data['nofollow'],
589 + $data['noarchive'],
590 + $data['nosnippet'],
591 + $data['noimageindex']
592 + );
593 + }
594 + if (Metasync_Feature_Flags::is_disabled(Metasync_Feature_Flags::ADVANCE_ROBOTS)) {
595 + unset(
596 + $data['max_snippet'],
597 + $data['max_image_preview'],
598 + $data['max_video_preview']
599 + );
600 + }
601 + if (Metasync_Feature_Flags::is_disabled(Metasync_Feature_Flags::SOCIAL_OG)) {
602 + unset(
603 + $data['og_title'],
604 + $data['og_desc'],
605 + $data['og_image'],
606 + $data['twitter_title'],
607 + $data['twitter_desc'],
608 + $data['twitter_card']
609 + );
610 + }
611 + if (Metasync_Feature_Flags::is_disabled(Metasync_Feature_Flags::CANONICAL)) {
612 + unset($data['canonical']);
613 + }
614 +
336 615 return $data;
337 616 }
338 617
618 + /**
619 + * Resolve the noindex directive for syncing the way the front-end emitter
620 + * does: any of the three sources saying noindex wins, and none can veto
621 + * another. The JSON rebuilt by sync_legacy_to_json() deliberately omits
622 + * noindex, so reading the JSON alone reported a checkbox-only noindex as
623 + * false — and the writers translated that into an explicit 'index' that
624 + * overwrote a noindex the third-party plugin already held.
625 + *
626 + * @param mixed $robots_json Decoded _metasync_robots_advanced payload (or null).
627 + * @param mixed $robots_index Raw _metasync_robots_index meta value.
628 + * @param mixed $common_raw Raw metasync_common_robots meta value.
629 + * @return bool
630 + */
631 + private function resolve_synced_noindex($robots_json, $robots_index, $common_raw) {
632 + if (is_array($robots_json) && !empty($robots_json['noindex'])) {
633 + return true;
634 + }
635 + if ($robots_index === 'noindex') {
636 + return true;
637 + }
638 + if (!empty($common_raw)) {
639 + $common = maybe_unserialize($common_raw);
640 + if (is_array($common) && !empty($common['noindex'])) {
641 + return true;
642 + }
643 + }
644 +
645 + return false;
646 + }
647 +
339 648 // ------------------------------------------------------------------
340 649 // Plugin detectors
341 650 // ------------------------------------------------------------------
342 651
@@ -386,35 +695,85 @@
386 695 // Per-plugin sync
387 696 // ------------------------------------------------------------------
388 697
389 698 /**
699 + * Whether third-party SEO storage may be written at all.
700 + *
701 + * The site owner's consent switch. Checked once per plugin dispatch rather
702 + * than per field so a sync that is not permitted does no work and, more
703 + * importantly, leaves no half-written row behind.
704 + *
705 + * @return bool
706 + */
707 + private function third_party_writes_allowed() {
708 + return class_exists('Metasync_Seo_Backup') && Metasync_Seo_Backup::is_enabled();
709 + }
710 +
711 + /**
712 + * Write one third-party post-meta field, preserving what it held before.
713 + *
714 + * This bridge runs on `updated_post_meta`, which means it fires from inside
715 + * an OTTO sync's `_metasync_otto_*` write — before the same sync reaches its
716 + * own direct Rank Math / Yoast writes further down. It is therefore usually
717 + * the first code to touch the customer's value, and the backup it takes here
718 + * is the one that holds the true original.
719 + *
720 + * @param int $post_id Post ID.
721 + * @param string $key Third-party meta key.
722 + * @param mixed $value Value to write.
723 + * @return bool True when the write happened.
724 + */
725 + private function write_post_field($post_id, $key, $value) {
726 + return class_exists('Metasync_Seo_Backup')
727 + && Metasync_Seo_Backup::write_post_meta($post_id, $key, $value);
728 + }
729 +
730 + /**
390 731 * Mirror canonical data into Yoast post meta and indexable cache.
391 732 *
392 733 * @param int $post_id Post ID.
393 734 * @param array $data Canonical key/value pairs.
394 - * @return bool True once dispatch completes.
735 + * @return bool True when at least one value-bearing field was mirrored,
736 + * false when the payload carried nothing to write. The caller
737 + * stamps `_metasync_plugin_sync_ts` from this, so it must
738 + * describe what was written and not merely that dispatch was
739 + * reached.
740 + *
741 + * Robots directives are excluded from that answer on purpose.
742 + * collect_post_data() synthesises noindex/nofollow on every
743 + * payload — absent any stored value they resolve to plain
744 + * index/follow — so they are written on every sync and say
745 + * nothing about whether a canonical value existed to mirror.
746 + * Counting them would make the result unconditionally true,
747 + * which is the bug this return contract exists to fix.
395 748 */
396 749 private function sync_yoast($post_id, array $data) {
750 + if (!$this->third_party_writes_allowed()) {
751 + return false;
752 + }
753 +
754 + $wrote = false;
755 +
397 756 // title
398 757 if (!empty($data['title'])) {
399 - update_post_meta($post_id, '_yoast_wpseo_title', (string) $data['title']);
758 + $wrote = $this->write_post_field($post_id, '_yoast_wpseo_title', (string) $data['title']);
400 759 }
401 760
402 761 // description -- strip newlines first
403 762 if (!empty($data['desc'])) {
404 763 $desc = str_replace(["\n", "\r", "\t"], ' ', $data['desc']);
405 - update_post_meta($post_id, '_yoast_wpseo_metadesc', $desc);
764 + $wrote = $this->write_post_field($post_id, '_yoast_wpseo_metadesc', $desc) || $wrote;
406 765 }
407 766
408 767 // noindex: '0'=default, '1'=noindex, '2'=index
409 768 if (array_key_exists('noindex', $data)) {
410 769 $val = $data['noindex'] ? '1' : '2';
411 - update_post_meta($post_id, '_yoast_wpseo_meta-robots-noindex', $val);
770 + $this->write_post_field($post_id, '_yoast_wpseo_meta-robots-noindex', $val);
412 771 }
413 772
414 773 // nofollow: '0'=follow, '1'=nofollow
415 774 if (array_key_exists('nofollow', $data)) {
416 - update_post_meta($post_id, '_yoast_wpseo_meta-robots-nofollow', $data['nofollow'] ? '1' : '0');
775 + $this->write_post_field($post_id, '_yoast_wpseo_meta-robots-nofollow', $data['nofollow'] ? '1' : '0');
417 776 }
418 777
419 778 // advanced robots: comma-separated NO spaces
420 779 $adv = [];
@@ -426,38 +785,41 @@
426 785 }
427 786 if (!empty($data['noimageindex'])) {
428 787 $adv[] = 'noimageindex';
429 788 }
430 - update_post_meta($post_id, '_yoast_wpseo_meta-robots-adv', implode(',', $adv));
789 + // Written unconditionally so clearing the last directive clears the
790 + // field. Like the other robots writes it carries no canonical value,
791 + // so it does not make this a successful sync.
792 + $this->write_post_field($post_id, '_yoast_wpseo_meta-robots-adv', implode(',', $adv));
431 793
432 794 // OG
433 795 if (!empty($data['og_title'])) {
434 - update_post_meta($post_id, '_yoast_wpseo_opengraph-title', $data['og_title']);
796 + $wrote = $this->write_post_field($post_id, '_yoast_wpseo_opengraph-title', $data['og_title']) || $wrote;
435 797 }
436 798 if (!empty($data['og_desc'])) {
437 - update_post_meta($post_id, '_yoast_wpseo_opengraph-description', $data['og_desc']);
799 + $wrote = $this->write_post_field($post_id, '_yoast_wpseo_opengraph-description', $data['og_desc']) || $wrote;
438 800 }
439 801 if (!empty($data['og_image'])) {
440 - update_post_meta($post_id, '_yoast_wpseo_opengraph-image', esc_url_raw($data['og_image']));
802 + $wrote = $this->write_post_field($post_id, '_yoast_wpseo_opengraph-image', esc_url_raw($data['og_image'])) || $wrote;
441 803 }
442 804
443 805 // Twitter
444 806 if (!empty($data['twitter_title'])) {
445 - update_post_meta($post_id, '_yoast_wpseo_twitter-title', $data['twitter_title']);
807 + $wrote = $this->write_post_field($post_id, '_yoast_wpseo_twitter-title', $data['twitter_title']) || $wrote;
446 808 }
447 809 if (!empty($data['twitter_desc'])) {
448 - update_post_meta($post_id, '_yoast_wpseo_twitter-description', $data['twitter_desc']);
810 + $wrote = $this->write_post_field($post_id, '_yoast_wpseo_twitter-description', $data['twitter_desc']) || $wrote;
449 811 }
450 812
451 813 // Canonical, focus keyword, breadcrumb
452 814 if (!empty($data['canonical'])) {
453 - update_post_meta($post_id, '_yoast_wpseo_canonical', esc_url_raw($data['canonical']));
815 + $wrote = $this->write_post_field($post_id, '_yoast_wpseo_canonical', esc_url_raw($data['canonical'])) || $wrote;
454 816 }
455 817 if (!empty($data['focus_keyword'])) {
456 - update_post_meta($post_id, '_yoast_wpseo_focuskw', $data['focus_keyword']);
818 + $wrote = $this->write_post_field($post_id, '_yoast_wpseo_focuskw', $data['focus_keyword']) || $wrote;
457 819 }
458 820 if (!empty($data['breadcrumb_title'])) {
459 - update_post_meta($post_id, '_yoast_wpseo_bctitle', $data['breadcrumb_title']);
821 + $wrote = $this->write_post_field($post_id, '_yoast_wpseo_bctitle', $data['breadcrumb_title']) || $wrote;
460 822 }
461 823
462 824 // Update wp_yoast_indexable cache row for immediate effect
463 825 global $wpdb;
@@ -495,9 +857,9 @@
495 857 $updates['twitter_title'] = mb_substr($data['twitter_title'], 0, 191);
496 858 }
497 859 if (!empty($data['twitter_card'])) {
498 860 // twitter_card column only exists in newer Yoast versions; skip if absent
499 - $col_check = $wpdb->get_var($wpdb->prepare(
861 + $col_check = $wpdb->get_var($wpdb->prepare( // phpcs:ignore WordPress.DB.DirectDatabaseQuery -- mirrors SEO meta into third-party plugin storage (Yoast indexables/AIOSEO tables) — no WordPress API for their schemas
500 862 "SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = %s AND TABLE_NAME = %s AND COLUMN_NAME = 'twitter_card'",
501 863 DB_NAME,
502 864 $indexable_table
503 865 ));
@@ -515,15 +877,38 @@
515 877 $updates['breadcrumb_title'] = mb_substr($data['breadcrumb_title'], 0, 191);
516 878 }
517 879
518 880 if (!empty($updates)) {
519 - $row_exists = $wpdb->get_var($wpdb->prepare(
520 - "SELECT id FROM {$indexable_table} WHERE object_id = %d AND object_type = 'post'",
881 + $row_exists = $wpdb->get_var($wpdb->prepare( // phpcs:ignore WordPress.DB.DirectDatabaseQuery -- mirrors SEO meta into third-party plugin storage (Yoast indexables/AIOSEO tables) — no WordPress API for their schemas
882 + "SELECT id FROM {$wpdb->prefix}yoast_indexable WHERE object_id = %d AND object_type = 'post'",
521 883 $post_id
522 884 ));
523 885
886 + // This probe decides two things at once: the value of the write-once
887 + // row_existed marker, and whether the write below is an UPDATE or an
888 + // INSERT. A failed probe answers "no row" for a row that is really
889 + // there, which commits a '0' marker telling a restore to delete the
890 + // customer's row and fires an INSERT against a row that already
891 + // exists. Neither is correctable afterwards, so an unreadable probe
892 + // has to abandon the indexable write entirely.
893 + //
894 + // The post meta above has already landed, so the receipt still
895 + // reports it. Only the indexable is skipped.
896 + if (!Metasync_Seo_Backup::db_read_succeeded()) {
897 + return $wrote;
898 + }
899 +
900 + // No original saved means no write, exactly as on the AIOSEO table.
901 + // This row is what Yoast actually renders from, so a restore that
902 + // cannot reach it puts the meta back and leaves the customer's live
903 + // pages still showing OTTO's values.
904 + $backups_created = [];
905 + if (!$this->backup_yoast_indexable_columns($post_id, $indexable_table, $updates, (bool) $row_exists, $backups_created)) {
906 + return $wrote;
907 + }
908 +
524 909 if ($row_exists) {
525 - $wpdb->update(
910 + $wpdb->update( // phpcs:ignore WordPress.DB.DirectDatabaseQuery -- mirrors SEO meta into third-party plugin storage (Yoast indexables/AIOSEO tables) — no WordPress API for their schemas
526 911 $indexable_table,
527 912 $updates,
528 913 ['object_id' => $post_id, 'object_type' => 'post']
529 914 );
@@ -543,12 +928,139 @@
543 928 'is_cornerstone' => 0,
544 929 'created_at' => current_time('mysql'),
545 930 'updated_at' => current_time('mysql'),
546 931 ], $updates);
547 - $wpdb->insert($indexable_table, $insert);
932 +
933 + // The row_existed='0' marker was recorded before this insert,
934 + // because a marker that will not save has to be able to veto the
935 + // write. A failed insert means no row of ours exists, and a
936 + // marker left saying otherwise would let a restore delete a row
937 + // Yoast or the customer creates afterwards. The per-column
938 + // backups recorded beside it go too: they are write-once, so a
939 + // column captured as NULL because there was no row would stay
940 + // NULL for good and blank a real value the customer later puts
941 + // in that row.
942 + //
943 + // The post meta above has already been written, so the return
944 + // still reports what landed. Claiming nothing was written would
945 + // tell the conflict handler this post is unsynced to Yoast while
946 + // Yoast's own meta holds our values, and it would hand tag
947 + // ownership to the wrong plugin.
948 + if ($wpdb->insert($indexable_table, $insert) === false) { // phpcs:ignore WordPress.DB.DirectDatabaseQuery -- mirrors SEO meta into third-party plugin storage (Yoast indexables/AIOSEO tables) — no WordPress API for their schemas
949 + Metasync_Seo_Backup::discard_backups('post', $post_id, $backups_created);
950 + return $wrote;
951 + }
548 952 }
549 953 }
550 954
955 + return $wrote;
956 + }
957 +
958 + /**
959 + * Preserve the wp_yoast_indexable columns this sync is about to overwrite.
960 + *
961 + * Yoast serves the frontend from this table, not from post meta, so the
962 + * meta backups taken by write_post_field() do not by themselves make the
963 + * change reversible. Same shape as backup_aioseo_columns():
964 + *
965 + * - one backup per column being written, so a restore can put the originals
966 + * back and leave every other column of the user's row alone;
967 + * - whether the row existed at all, so a restore can delete a row that only
968 + * exists because we created it instead of leaving an empty shell behind.
969 + *
970 + * @param int $post_id Post ID.
971 + * @param string $table Fully prefixed indexable table name.
972 + * @param array $updates Columns and values about to be written.
973 + * @param bool $row_existed Whether Yoast already had a row for this post.
974 + * @param array $created Out-param, filled with the backup fields this
975 + * call created, so a failed write can withdraw
976 + * exactly its own rows and no one else's.
977 + * @return bool True when every original was preserved and the caller may write.
978 + */
979 + private function backup_yoast_indexable_columns($post_id, $table, array $updates, $row_existed, array &$created) {
980 + $created = [];
981 +
982 + if (!class_exists('Metasync_Seo_Backup')) {
983 + return false;
984 + }
985 +
986 + global $wpdb;
987 +
988 + if (!Metasync_Seo_Backup::record_marker(
989 + 'post',
990 + $post_id,
991 + 'yoast_indexable_row_existed',
992 + $row_existed ? '1' : '0',
993 + $marker_created
994 + )) {
995 + return false;
996 + }
997 +
998 + if ($marker_created) {
999 + $created[] = 'yoast_indexable_row_existed';
1000 + }
1001 +
1002 + $columns = array_keys($updates);
1003 + if (empty($columns)) {
1004 + return true;
1005 + }
1006 +
1007 + $current = null;
1008 + if ($row_existed) {
1009 + $select = '`' . implode('`, `', array_map('esc_sql', $columns)) . '`';
1010 + // Column list is esc_sql()'d above; the table is a fixed literal.
1011 + $current = $wpdb->get_row( // phpcs:ignore WordPress.DB.DirectDatabaseQuery -- mirrors SEO meta into third-party plugin storage (Yoast indexables/AIOSEO tables) — no WordPress API for their schemas
1012 + $wpdb->prepare(
1013 + // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- column list esc_sql()'d above, table is a fixed literal
1014 + "SELECT {$select} FROM {$wpdb->prefix}yoast_indexable WHERE object_id = %d AND object_type = 'post'",
1015 + $post_id
1016 + ),
1017 + ARRAY_A
1018 + );
1019 +
1020 + // The row was there a moment ago, so a null answer now is a failed
1021 + // read, not an empty row. Recording it as "every column was NULL"
1022 + // would tell a later restore to delete values it should put back,
1023 + // which is the exact loss this layer exists to prevent. No write is
1024 + // happening, so the marker recorded above has to go too — a marker
1025 + // left describing a write that never ran is a stale story.
1026 + if ($current === null || !Metasync_Seo_Backup::db_read_succeeded()) {
1027 + Metasync_Seo_Backup::discard_backups('post', $post_id, $created);
1028 + return false;
1029 + }
1030 + }
1031 +
1032 + foreach ($columns as $column) {
1033 + // A missing row and a NULL column are the same thing to a restore:
1034 + // there was no value here, so put nothing back.
1035 + $current_value = ($current !== null && isset($current[$column])) ? $current[$column] : null;
1036 +
1037 + $field = 'yoast_indexable_' . $column;
1038 +
1039 + // One unsaved column is enough to refuse the whole write: a
1040 + // half-original, half-OTTO row is something no restore can unpick.
1041 + // The refusal also means the caller writes nothing, so withdraw the
1042 + // marker and the columns recorded so far — the same rule as the
1043 + // failed-insert path in sync_yoast(). Left behind, a row_existed='0'
1044 + // marker would let a restore delete a row the customer creates
1045 + // later, and a NULL column backup would blank a real value in it.
1046 + if (!Metasync_Seo_Backup::backup_before_overwrite(
1047 + 'post',
1048 + $post_id,
1049 + $field,
1050 + $updates[$column],
1051 + $current_value,
1052 + $column_created
1053 + )) {
1054 + Metasync_Seo_Backup::discard_backups('post', $post_id, $created);
1055 + return false;
1056 + }
1057 +
1058 + if ($column_created) {
1059 + $created[] = $field;
1060 + }
1061 + }
1062 +
551 1063 return true;
552 1064 }
553 1065
554 1066 /**
@@ -555,17 +1067,25 @@
555 1067 * Mirror canonical data into Rank Math post meta.
556 1068 *
557 1069 * @param int $post_id Post ID.
558 1070 * @param array $data Canonical key/value pairs.
559 - * @return bool True once dispatch completes.
1071 + * @return bool True when at least one value-bearing field was mirrored,
1072 + * false when the payload carried nothing to write. Robots
1073 + * directives are excluded for the reason given on sync_yoast().
560 1074 */
561 1075 private function sync_rankmath($post_id, array $data) {
1076 + if (!$this->third_party_writes_allowed()) {
1077 + return false;
1078 + }
1079 +
1080 + $wrote = false;
1081 +
562 1082 // title, desc
563 1083 if (!empty($data['title'])) {
564 - update_post_meta($post_id, 'rank_math_title', $data['title']);
1084 + $wrote = $this->write_post_field($post_id, 'rank_math_title', $data['title']);
565 1085 }
566 1086 if (!empty($data['desc'])) {
567 - update_post_meta($post_id, 'rank_math_description', $data['desc']);
1087 + $wrote = $this->write_post_field($post_id, 'rank_math_description', $data['desc']) || $wrote;
568 1088 }
569 1089
570 1090 // robots: PHP indexed array
571 1091 if (array_key_exists('noindex', $data) || array_key_exists('nofollow', $data)) {
@@ -577,9 +1097,9 @@
577 1097 }
578 1098 if (array_key_exists('nofollow', $data)) {
579 1099 $robots[] = $data['nofollow'] ? 'nofollow' : 'follow';
580 1100 }
581 - update_post_meta($post_id, 'rank_math_robots', array_values(array_unique($robots)));
1101 + $this->write_post_field($post_id, 'rank_math_robots', array_values(array_unique($robots)));
582 1102 }
583 1103
584 1104 // Advanced robots: max-* go into rank_math_advanced_robots
585 1105 $adv_keys = ['max_snippet', 'max_image_preview', 'max_video_preview'];
@@ -594,22 +1114,22 @@
594 1114 $existing_adv = get_post_meta($post_id, 'rank_math_advanced_robots', true);
595 1115 $adv = is_array($existing_adv) ? $existing_adv : [];
596 1116 if (array_key_exists('max_snippet', $data) && $data['max_snippet'] !== null) {
597 1117 $val = (int) $data['max_snippet'];
598 - $adv['max-snippet'] = 'max-snippet:' . $val;
1118 + $adv['max-snippet'] = (string) $val;
599 1119 }
600 1120 if (array_key_exists('max_image_preview', $data) && $data['max_image_preview'] !== null) {
601 1121 $allowed = ['none', 'standard', 'large'];
602 1122 if (in_array($data['max_image_preview'], $allowed, true)) {
603 - $adv['max-image-preview'] = 'max-image-preview:' . $data['max_image_preview'];
1123 + $adv['max-image-preview'] = (string) $data['max_image_preview'];
604 1124 }
605 1125 }
606 1126 if (array_key_exists('max_video_preview', $data) && $data['max_video_preview'] !== null) {
607 1127 $val = (int) $data['max_video_preview'];
608 - $adv['max-video-preview'] = 'max-video-preview:' . $val;
1128 + $adv['max-video-preview'] = (string) $val;
609 1129 }
610 1130 if (!empty($adv)) {
611 - update_post_meta($post_id, 'rank_math_advanced_robots', $adv);
1131 + $this->write_post_field($post_id, 'rank_math_advanced_robots', $adv);
612 1132 }
613 1133 }
614 1134
615 1135 // Sync noarchive/nosnippet/noimageindex into rank_math_robots
@@ -624,51 +1144,164 @@
624 1144 if (!empty($data[$dir])) {
625 1145 $robots[] = $dir;
626 1146 }
627 1147 }
628 - update_post_meta($post_id, 'rank_math_robots', array_values(array_unique($robots)));
1148 + $this->write_post_field($post_id, 'rank_math_robots', array_values(array_unique($robots)));
629 1149 }
630 1150
631 1151 // OG
632 1152 if (!empty($data['og_title'])) {
633 - update_post_meta($post_id, 'rank_math_facebook_title', $data['og_title']);
1153 + $wrote = $this->write_post_field($post_id, 'rank_math_facebook_title', $data['og_title']) || $wrote;
634 1154 }
635 1155 if (!empty($data['og_desc'])) {
636 - update_post_meta($post_id, 'rank_math_facebook_description', $data['og_desc']);
1156 + $wrote = $this->write_post_field($post_id, 'rank_math_facebook_description', $data['og_desc']) || $wrote;
637 1157 }
638 1158 if (!empty($data['og_image'])) {
639 - update_post_meta($post_id, 'rank_math_facebook_image', esc_url_raw($data['og_image']));
1159 + $wrote = $this->write_post_field($post_id, 'rank_math_facebook_image', esc_url_raw($data['og_image'])) || $wrote;
640 1160 $img_id = attachment_url_to_postid($data['og_image']);
641 1161 if ($img_id) {
642 - update_post_meta($post_id, 'rank_math_facebook_image_id', $img_id);
1162 + $wrote = $this->write_post_field($post_id, 'rank_math_facebook_image_id', $img_id) || $wrote;
643 1163 }
644 1164 }
645 1165
646 1166 // Twitter
647 1167 if (!empty($data['twitter_title'])) {
648 - update_post_meta($post_id, 'rank_math_twitter_title', $data['twitter_title']);
1168 + $wrote = $this->write_post_field($post_id, 'rank_math_twitter_title', $data['twitter_title']) || $wrote;
649 1169 }
650 1170 if (!empty($data['twitter_desc'])) {
651 - update_post_meta($post_id, 'rank_math_twitter_description', $data['twitter_desc']);
1171 + $wrote = $this->write_post_field($post_id, 'rank_math_twitter_description', $data['twitter_desc']) || $wrote;
652 1172 }
653 1173 if (!empty($data['twitter_card'])) {
654 1174 $valid_cards = ['summary', 'summary_large_image', 'app', 'player'];
655 1175 if (in_array($data['twitter_card'], $valid_cards, true)) {
656 - update_post_meta($post_id, 'rank_math_twitter_card_type', $data['twitter_card']);
1176 + $wrote = $this->write_post_field($post_id, 'rank_math_twitter_card_type', $data['twitter_card']) || $wrote;
657 1177 }
658 1178 }
659 1179
660 1180 // Canonical, focus keyword, breadcrumb
661 1181 if (!empty($data['canonical'])) {
662 - update_post_meta($post_id, 'rank_math_canonical_url', esc_url_raw($data['canonical']));
1182 + $wrote = $this->write_post_field($post_id, 'rank_math_canonical_url', esc_url_raw($data['canonical'])) || $wrote;
663 1183 }
664 1184 if (!empty($data['focus_keyword'])) {
665 - update_post_meta($post_id, 'rank_math_focus_keyword', $data['focus_keyword']);
1185 + $wrote = $this->write_post_field($post_id, 'rank_math_focus_keyword', $data['focus_keyword']) || $wrote;
666 1186 }
667 1187 if (!empty($data['breadcrumb_title'])) {
668 - update_post_meta($post_id, 'rank_math_breadcrumb_title', $data['breadcrumb_title']);
1188 + $wrote = $this->write_post_field($post_id, 'rank_math_breadcrumb_title', $data['breadcrumb_title']) || $wrote;
669 1189 }
670 1190
1191 + return $wrote;
1192 + }
1193 +
1194 + /**
1195 + * Preserve the AIOSEO columns a sync is about to overwrite.
1196 + *
1197 + * AIOSEO keeps post SEO data in its own `aioseo_posts` table rather than in
1198 + * post meta, so there is no meta row to save and no field a restore could
1199 + * delete. Two things are recorded instead, both as post meta on the post
1200 + * itself:
1201 + *
1202 + * - one backup per column being written, so a restore can put the original
1203 + * values back and leave every other column of the user's row alone;
1204 + * - whether the row existed at all, so a restore can delete a row that only
1205 + * exists because we created it instead of leaving an empty shell behind.
1206 + *
1207 + * @param int $post_id Post ID.
1208 + * @param string $table Fully prefixed AIOSEO table name.
1209 + * @param array $row Columns and values about to be written.
1210 + * @param bool $row_existed Whether AIOSEO already had a row for this post.
1211 + * @param array $created Out-param, filled with the backup fields this
1212 + * call created, so a failed write can withdraw
1213 + * exactly its own rows and no one else's.
1214 + * @return bool True when every original was preserved and the caller may write.
1215 + */
1216 + private function backup_aioseo_columns($post_id, $table, array $row, $row_existed, array &$created) {
1217 + $created = [];
1218 +
1219 + if (!class_exists('Metasync_Seo_Backup')) {
1220 + return false;
1221 + }
1222 +
1223 + global $wpdb;
1224 +
1225 + // Whether the row pre-existed is what a restore uses to choose between
1226 + // putting the original columns back and deleting a row that only exists
1227 + // because we made it. A marker that will not record is as disqualifying
1228 + // as a column that will not.
1229 + if (!Metasync_Seo_Backup::record_marker(
1230 + 'post',
1231 + $post_id,
1232 + 'aioseo_row_existed',
1233 + $row_existed ? '1' : '0',
1234 + $marker_created
1235 + )) {
1236 + return false;
1237 + }
1238 +
1239 + if ($marker_created) {
1240 + $created[] = 'aioseo_row_existed';
1241 + }
1242 +
1243 + $columns = array_diff(array_keys($row), ['updated', 'created', 'post_id']);
1244 + if (empty($columns)) {
1245 + return true;
1246 + }
1247 +
1248 + $current = null;
1249 + if ($row_existed) {
1250 + $select = '`' . implode('`, `', array_map('esc_sql', $columns)) . '`';
1251 + // Column list is esc_sql()'d above; the table is a fixed literal.
1252 + $current = $wpdb->get_row( // phpcs:ignore WordPress.DB.DirectDatabaseQuery -- mirrors SEO meta into third-party plugin storage (Yoast indexables/AIOSEO tables) — no WordPress API for their schemas
1253 + $wpdb->prepare(
1254 + // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- column list esc_sql()'d above, table is a fixed literal
1255 + "SELECT {$select} FROM {$wpdb->prefix}aioseo_posts WHERE post_id = %d",
1256 + $post_id
1257 + ),
1258 + ARRAY_A
1259 + );
1260 +
1261 + // The row was there a moment ago, so a null answer now is a failed
1262 + // read, not an empty row. Recording it as "every column was NULL"
1263 + // would tell a later restore to delete values it should put back,
1264 + // which is the exact loss this layer exists to prevent. No write is
1265 + // happening, so the marker recorded above has to go too — a marker
1266 + // left describing a write that never ran is a stale story.
1267 + if ($current === null || !Metasync_Seo_Backup::db_read_succeeded()) {
1268 + Metasync_Seo_Backup::discard_backups('post', $post_id, $created);
1269 + return false;
1270 + }
1271 + }
1272 +
1273 + foreach ($columns as $column) {
1274 + // A missing row and a NULL column are the same thing to a restore:
1275 + // there was no value here, so put nothing back.
1276 + $current_value = ($current !== null && isset($current[$column])) ? $current[$column] : null;
1277 +
1278 + $field = 'aioseo_' . $column;
1279 +
1280 + // One unsaved column is enough to refuse the whole write: a half-original,
1281 + // half-OTTO row is something no restore can unpick. The refusal also
1282 + // means the caller writes nothing, so withdraw the marker and the
1283 + // columns recorded so far — the same rule as the failed-insert path
1284 + // in sync_aioseo(). Left behind, a row_existed='0' marker would let
1285 + // a restore delete a row the customer creates later, and a NULL
1286 + // column backup would blank a real value in it.
1287 + if (!Metasync_Seo_Backup::backup_before_overwrite(
1288 + 'post',
1289 + $post_id,
1290 + $field,
1291 + $row[$column],
1292 + $current_value,
1293 + $column_created
1294 + )) {
1295 + Metasync_Seo_Backup::discard_backups('post', $post_id, $created);
1296 + return false;
1297 + }
1298 +
1299 + if ($column_created) {
1300 + $created[] = $field;
1301 + }
1302 + }
1303 +
671 1304 return true;
672 1305 }
673 1306
674 1307 /**
@@ -675,54 +1308,73 @@
675 1308 * Mirror canonical data into the AIOSEO wp_aioseo_posts custom table.
676 1309 *
677 1310 * @param int $post_id Post ID.
678 1311 * @param array $data Canonical key/value pairs.
679 - * @return bool True when the row was written, false when the table is
680 - * missing or the write failed.
1312 + * @return bool True when at least one value-bearing field was written,
1313 + * false when the table is missing, the write failed, or the
1314 + * payload carried only robots directives. Robots are excluded
1315 + * for the reason given on sync_yoast(), so the receipt means
1316 + * the same thing for all three plugins.
681 1317 */
682 1318 private function sync_aioseo($post_id, array $data) {
683 1319 global $wpdb;
684 1320
1321 + if (!$this->third_party_writes_allowed()) {
1322 + return false;
1323 + }
1324 +
685 1325 $table = $wpdb->prefix . 'aioseo_posts';
686 1326
687 1327 // Bail if the AIOSEO post table does not exist (plugin not initialised).
688 - $table_exists = $wpdb->get_var($wpdb->prepare('SHOW TABLES LIKE %s', $table));
1328 + $table_exists = $wpdb->get_var($wpdb->prepare('SHOW TABLES LIKE %s', $table)); // phpcs:ignore WordPress.DB.DirectDatabaseQuery -- mirrors SEO meta into third-party plugin storage (Yoast indexables/AIOSEO tables) — no WordPress API for their schemas
689 1329 if ($table_exists !== $table) {
690 1330 return false;
691 1331 }
692 1332
693 1333 $row = [];
1334 + // Robots fill $row too, so a separate flag is needed: the row is still
1335 + // written for a robots-only payload, it just is not a content sync.
1336 + $wrote = false;
694 1337
695 1338 if (!empty($data['title'])) {
696 1339 $row['title'] = sanitize_text_field($data['title']);
1340 + $wrote = true;
697 1341 }
698 1342 if (!empty($data['desc'])) {
699 1343 $row['description'] = sanitize_text_field($data['desc']);
1344 + $wrote = true;
700 1345 }
701 1346 if (!empty($data['og_title'])) {
702 1347 $row['og_title'] = sanitize_text_field($data['og_title']);
1348 + $wrote = true;
703 1349 }
704 1350 if (!empty($data['og_desc'])) {
705 1351 $row['og_description'] = sanitize_text_field($data['og_desc']);
1352 + $wrote = true;
706 1353 }
707 1354 if (!empty($data['og_image'])) {
708 1355 $row['og_image_type'] = 'custom';
709 1356 $row['og_image_custom_url'] = esc_url_raw($data['og_image']);
1357 + $wrote = true;
710 1358 }
711 1359 if (!empty($data['twitter_title'])) {
712 1360 $row['twitter_title'] = sanitize_text_field($data['twitter_title']);
1361 + $wrote = true;
713 1362 }
714 1363 if (!empty($data['twitter_desc'])) {
715 1364 $row['twitter_description'] = sanitize_text_field($data['twitter_desc']);
1365 + $wrote = true;
716 1366 }
717 1367 if (!empty($data['twitter_card'])) {
718 1368 $valid_cards = ['default', 'summary', 'summary_large_image', 'player', 'app'];
719 1369 if (in_array($data['twitter_card'], $valid_cards, true)) {
720 1370 $row['twitter_card'] = $data['twitter_card'];
1371 + $wrote = true;
721 1372 }
722 1373 }
723 1374 if (!empty($data['canonical'])) {
724 1375 $row['canonical_url'] = esc_url_raw($data['canonical']);
1376 + $wrote = true;
725 1377 }
726 1378
727 1379 // focus keyword as keyphrases JSON
728 1380 if (!empty($data['focus_keyword'])) {
@@ -733,8 +1385,9 @@
733 1385 'analysis' => new \stdClass(),
734 1386 ],
735 1387 'additional' => [],
736 1388 ]);
1389 + $wrote = true;
737 1390 }
738 1391
739 1392 // Robots
740 1393 $has_robots = false;
@@ -780,17 +1433,38 @@
780 1433 }
781 1434
782 1435 $row['updated'] = current_time('mysql');
783 1436
784 - $existing_id = $wpdb->get_var($wpdb->prepare(
785 - "SELECT id FROM {$table} WHERE post_id = %d",
1437 + $existing_id = $wpdb->get_var($wpdb->prepare( // phpcs:ignore WordPress.DB.DirectDatabaseQuery -- mirrors SEO meta into third-party plugin storage (Yoast indexables/AIOSEO tables) — no WordPress API for their schemas
1438 + "SELECT id FROM {$wpdb->prefix}aioseo_posts WHERE post_id = %d",
786 1439 $post_id
787 1440 ));
788 1441
1442 + // An unreadable probe cannot be treated as "no row". It would commit a
1443 + // write-once row_existed='0' for a row AIOSEO really has -- which a
1444 + // restore reads as licence to delete it -- and send an INSERT at a row
1445 + // that already exists. Leave AIOSEO's row alone and let the next sync
1446 + // record the truth.
1447 + if (!Metasync_Seo_Backup::db_read_succeeded()) {
1448 + return false;
1449 + }
1450 +
1451 + // No original saved means no write. Overwriting anyway is the data loss
1452 + // this whole layer exists to prevent.
789 1453 if ($existing_id) {
790 - return $wpdb->update($table, $row, ['post_id' => $post_id]) !== false;
1454 + $backups_created = [];
1455 + if (!$this->backup_aioseo_columns($post_id, $table, $row, true, $backups_created)) {
1456 + return false;
1457 + }
1458 +
1459 + return ($wpdb->update($table, $row, ['post_id' => $post_id]) !== false) && $wrote; // phpcs:ignore WordPress.DB.DirectDatabaseQuery -- mirrors SEO meta into third-party plugin storage (Yoast indexables/AIOSEO tables) — no WordPress API for their schemas
791 1460 }
792 1461
1462 + $backups_created = [];
1463 + if (!$this->backup_aioseo_columns($post_id, $table, $row, false, $backups_created)) {
1464 + return false;
1465 + }
1466 +
793 1467 // New row -- must include all NOT NULL columns with no defaults
794 1468 $row['post_id'] = $post_id;
795 1469 $row['created'] = current_time('mysql');
796 1470 $robot_defaults = [
@@ -804,9 +1478,23 @@
804 1478 'robots_notranslate' => 0,
805 1479 ];
806 1480 $row = array_merge($robot_defaults, $row);
807 1481
808 - return $wpdb->insert($table, $row) !== false;
1482 + $inserted = $wpdb->insert($table, $row); // phpcs:ignore WordPress.DB.DirectDatabaseQuery -- mirrors SEO meta into third-party plugin storage (Yoast indexables/AIOSEO tables) — no WordPress API for their schemas
1483 +
1484 + // The row_existed='0' marker was recorded before the insert, because a
1485 + // marker that will not save has to be able to veto the write. If the
1486 + // insert then failed there is no row of ours, and leaving the marker
1487 + // behind would let a restore delete a row the customer creates later.
1488 + // The per-column backups beside it go too, or a column captured as NULL
1489 + // for a row that never existed would blank a real value the customer
1490 + // later puts in one.
1491 + if ($inserted === false) {
1492 + Metasync_Seo_Backup::discard_backups('post', $post_id, $backups_created);
1493 + return false;
1494 + }
1495 +
1496 + return $wrote;
809 1497 }
810 1498
811 1499 // ------------------------------------------------------------------
812 1500 // Two-way sync: sidebar JSON ↔ legacy meta boxes
@@ -825,8 +1513,15 @@
825 1513 static $syncing_legacy = [];
826 1514 if (!empty($syncing_legacy[$post_id])) {
827 1515 return;
828 1516 }
1517 + // Our own sync_legacy_to_json() write triggered this. The legacy meta
1518 + // box values are the source of truth in that direction, and mirroring
1519 + // back would drop any value this function treats as a default (-1 /
1520 + // large), so bail out and leave the legacy keys alone.
1521 + if (!empty($this->syncing_legacy_to_json[$post_id])) {
1522 + return;
1523 + }
829 1524 $syncing_legacy[$post_id] = true;
830 1525 // Block sync_legacy_to_json from running while we write legacy keys
831 1526 $this->syncing_json_to_legacy[$post_id] = true;
832 1527
@@ -893,8 +1588,10 @@
893 1588 if (!empty($syncing_json[$post_id])) {
894 1589 return;
895 1590 }
896 1591 $syncing_json[$post_id] = true;
1592 + // Block sync_to_legacy_meta from reacting to the JSON write below
1593 + $this->syncing_legacy_to_json[$post_id] = true;
897 1594
898 1595 try {
899 1596 $common = get_post_meta($post_id, 'metasync_common_robots', true);
900 1597 if (!is_array($common)) {
@@ -938,7 +1635,8 @@
938 1635 delete_post_meta($post_id, '_metasync_robots_advanced');
939 1636 }
940 1637 } finally {
941 1638 unset($syncing_json[$post_id]);
1639 + unset($this->syncing_legacy_to_json[$post_id]);
942 1640 }
943 1641 }
944 1642 }