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Code Engine – PHP Snippets, AI Functions & Automation for WordPress / 0.3.8
Code Engine – PHP Snippets, AI Functions & Automation for WordPress v0.3.8
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← All changes | classes/core.php +103 -250 trunk0.3.8 View file →
@@ -14,12 +14,8 @@
14 14 public $site_url = null;
15 15 public $mwcode = null;
16 16 public $licenser = null;
17 17
18 - // IDs of global snippets already executed this request (by the plugins_loaded pass
19 - // or by load_global_snippets), so a global never runs twice and never re-declares.
20 - public $loaded_global_ids = [];
21 -
22 18 private $option_name = 'mwcode_options';
23 19
24 20 public function __construct() {
25 21 global $mwcode;
@@ -24,9 +20,9 @@
24 20 public function __construct() {
25 21 global $mwcode;
26 22
27 23 $this->site_url = get_site_url();
28 - $this->is_rest = MeowKit_MWCODE_Helpers::is_rest();
24 + $this->is_rest = MeowCommon_Helpers::is_rest();
29 25 $this->is_cli = defined( 'WP_CLI' ) && WP_CLI;
30 26
31 27 // Snippets
32 28 $snippet = new Meow_MWCODE_Modules_Snippet( $this );
@@ -43,10 +39,10 @@
43 39 }
44 40
45 41 function init() {
46 42 // Initialize the licenser for Pro version
47 - if ( class_exists( 'MeowKitPro_MWCODE_Licenser' ) ) {
48 - $this->licenser = new MeowKitPro_MWCODE_Licenser( MWCODE_PREFIX, MWCODE_ENTRY, MWCODE_DOMAIN, MWCODE_ITEM_ID, MWCODE_VERSION );
43 + if ( class_exists( 'MeowCommonPro_Licenser' ) ) {
44 + $this->licenser = new MeowCommonPro_Licenser( MWCODE_PREFIX, MWCODE_ENTRY, MWCODE_DOMAIN, MWCODE_ITEM_ID, MWCODE_VERSION );
49 45 }
50 46
51 47 // Part of the core, settings and stuff
52 48 $this->admin = new Meow_MWCODE_Admin( $this );
@@ -106,9 +102,8 @@
106 102
107 103 //AI
108 104 "ai_suggestions" => false,
109 105 "ai_engine_status"=> false,
110 - "mwai_active" => false,
111 106 "ai_engine_message" => "",
112 107
113 108 //API
114 109 "api_endpoint" => false,
@@ -115,12 +110,8 @@
115 110 "api_token" => md5( time() . rand() ),
116 111
117 112 //MCP
118 113 "mcp_support" => false,
119 - "mcp_functions" => false,
120 -
121 - //MAINTENANCE
122 - "clean_uninstall" => false,
123 114 ];
124 115 }
125 116
126 117 function get_all_options( ) {
@@ -134,15 +125,19 @@
134 125 return $options;
135 126 }
136 127
137 128 function update_options( $options ) {
129 + $current_options = get_option($this->option_name);
138 130
131 + if ($current_options === $options) {
132 + // $this->log('💾 The options are already the expected value.');
133 + } else {
134 + if ( !update_option( $this->option_name, $options, false ) ) {
135 + $this->log( '💾 There was an issue updating the options.' );
136 + }
137 + }
138 +
139 139 $options = $this->sanitize_options( $options );
140 -
141 - if ( !update_option( $this->option_name, $options, false ) ) {
142 - //$this->log( '💾 There was an issue updating the options.' );
143 - }
144 -
145 140 return $options;
146 141 }
147 142
148 143 function update_option( $option, $value ) {
@@ -173,9 +168,9 @@
173 168 $options_modified = true;
174 169 }
175 170
176 171 // Update AI Engine status
177 - $options = $this->updateAIEngineStatus( $options );
172 + $options_modified = $this->updateAIEngineStatus( $options ) || $options_modified;
178 173
179 174 // Disable AI related features if AI Engine is not available
180 175 if ( ! $options['ai_engine_status'] ) {
181 176 if ( $options['ai_suggestions'] !== false ) {
@@ -185,8 +180,12 @@
185 180 // Note: We don't disable MCP support here anymore
186 181 // It will be checked at runtime in the MCP class
187 182 }
188 183
184 + if ( $options_modified ) {
185 + update_option( $this->option_name, $options, false );
186 + }
187 +
189 188 return $options;
190 189 }
191 190
192 191 private function updateAIEngineStatus( &$options ) {
@@ -191,17 +190,31 @@
191 190
192 191 private function updateAIEngineStatus( &$options ) {
193 192 global $mwai;
194 193
195 - // AI Engine is active (regardless of whether an API key is configured).
196 - // MCP exposure only needs AI Engine present, not a key, so the MCP toggles
197 - // gate on this rather than on mwai_has_ai.
198 - $options['mwai_active'] = !empty( $mwai );
199 - $options['mwai_has_ai'] = !empty( $mwai ) && method_exists( $mwai, 'hasAI' ) && $mwai->hasAI();
200 - // Legacy
201 - $options['ai_engine_status'] = $options['mwai_has_ai'];
194 + if ( is_null( $mwai ) || ! isset( $mwai ) ) {
195 + $options['ai_engine_status'] = false;
196 + $options['ai_engine_message'] = 'AI Engine is not available.';
197 + return true;
198 + }
202 199
203 - return $options;
200 + try {
201 + $status = $mwai->checkStatus();
202 +
203 + if ( $options['ai_engine_status'] != true || $options['ai_engine_message'] != $status ) {
204 + $options['ai_engine_status'] = true;
205 + $options['ai_engine_message'] = $status;
206 + return true;
207 + }
208 + } catch ( Exception $e ) {
209 + if ( $options['ai_engine_status'] != false || $options['ai_engine_message'] != $e->getMessage() ) {
210 + $options['ai_engine_status'] = false;
211 + $options['ai_engine_message'] = $e->getMessage();
212 + return true;
213 + }
214 + }
215 +
216 + return false;
204 217 }
205 218
206 219 #endregion
207 220
@@ -230,24 +243,9 @@
230 243
231 244 $this->snippet->validate( $params );
232 245
233 246 $params = $this->snippet->formatParamsForDatabase( $params );
234 -
235 - // Route to UPDATE when an existing snippet id is provided (updateSnippet / the
236 - // MCP mwcode_update_snippet tool). This previously always insert()ed, so an
237 - // update tried to INSERT a row with an already-used primary key: that fails on
238 - // the SQLite backend (Studio/Playground) with "Could not insert the snippet",
239 - // and duplicates or errors elsewhere. The admin UI was unaffected because it
240 - // calls snippet->update() directly.
241 - $existing = !empty( $params['id'] ) ? $this->snippet->select_one( $params['id'] ) : null;
242 - if ( $existing ) {
243 - $this->snippet->update( $params );
244 - $result = $params['id'];
245 - }
246 - else {
247 - unset( $params['id'] );
248 - $result = $this->snippet->insert( $params );
249 - }
247 + $result = $this->snippet->insert( $params );
250 248 $snippet = $this->snippet->select_one( $result );
251 249
252 250 if( $result ) {
253 251 $params['id'] = (string)$result;
@@ -294,9 +292,9 @@
294 292
295 293 return [ $name, $value ];
296 294 }
297 295
298 - function run_non_fn_snippet( $id, $code = null, $test = false, $prefix = '' ) {
296 + function run_non_fn_snippet( $id, $code = null, $test = false ) {
299 297 // Retrieve the snippet code from the provided code or via the snippet ID.
300 298 if ( $code ) {
301 299 $snippet = [ 'code' => $code ];
302 300 } else {
@@ -303,17 +301,13 @@
303 301 $snippet = $this->get_snippet( $id );
304 302 }
305 303
306 304 // Remove any PHP opening tag.
307 - $snippet['code'] = $this->snippet->sanitize_code( $snippet['code'] );
305 + $snippet['code'] = preg_replace( '/<\?php/', '', $snippet['code'], 1 );
308 306
309 307 if ( $test ) {
310 308 $snippet['code'] = preg_replace( '/echo\s+(.+?);/s', 'echo $1 . "\n";', $snippet['code'] );
311 309 }
312 -
313 - if( $prefix ) {
314 - $snippet['code'] = $prefix . "\n" . $snippet['code'];
315 - }
316 310
317 311 $error = null;
318 312 $output = null;
319 313
@@ -362,17 +356,35 @@
362 356 'values' => $snippet['functionArgsDict'] // Contains the default values of the arguments
363 357 ];
364 358 }
365 359
366 - // Arguments used to be sanitized into PHP-literal strings here (quoting,
367 - // esc_sql, var_export) so they could be concatenated into a string of PHP and
368 - // eval-ed. That is gone: the function is now called with call_user_func_array
369 - // (see below), so values are passed as data and need no literal-formatting.
370 - // The old formatting also prefixed argument keys with "$" via sanitize_arg,
371 - // which stored the provided value under "$name" while the call read "name", so
372 - // provided arguments never reached the function. Passing the raw values through
373 - // fixes both issues at once.
360 + // Sanitize all the arguments if the option is enabled
361 + if ( $this->get_option( 'sanitize_arguments', true ) ) {
374 362
363 + if ( $args ) {
364 + foreach ( $args as $name => $value ) {
365 + list( $sanitizedName, $sanitizedValue ) = $this->sanitize_arg( $name, $value );
366 + unset( $args[$name] );
367 +
368 + $args[$sanitizedName] = $sanitizedValue;
369 + }
370 + }
371 +
372 + foreach ( $params['values'] as $name => $value ) {
373 +
374 + if( array_key_exists( 'input', $value) ) {
375 + list( $sanitizedInputName, $sanitizedInputValue ) = $this->sanitize_arg( $name, $value['input'], $value['type'] );
376 + $params['values'][$sanitizedInputName]['input'] = $sanitizedInputValue;
377 + }
378 +
379 + if( array_key_exists( 'default', $value) ) {
380 + list( $sanitizedDefaultValueName, $sanitizedDefaultValue ) = $this->sanitize_arg( $name, $value['default'], $value['type'] );
381 + $params['values'][$sanitizedDefaultValueName]['default'] = $sanitizedDefaultValue;
382 + }
383 + }
384 +
385 + }
386 +
375 387 // Make sure the function is existing and is the one in the snippet
376 388 if ( empty( $params['code'] ) ) {
377 389 throw new Exception( 'Code Engine: The snippet code appears to be empty.' );
378 390 }
@@ -380,32 +392,17 @@
380 392 if ( empty( $params['name'] ) || ! str_contains( $params['code'], $params['name'] ) ) {
381 393 throw new Exception( "Code Engine: Function name does not match. The name should be {$params['name']}." );
382 394 }
383 395
384 - // Collect the provided values, keyed by their normalized (dollar-less) name.
385 - // Incoming keys come from the AI/MCP schema, where register_function_tools()
386 - // strips a leading "$" from the declared name. The stored arg names can still
387 - // carry the "$", so we normalize both sides before matching below. Without this
388 - // a value provided as "style" never binds to an argument declared "$style".
389 - $provided = [];
396 + // Overwrite the default values with the provided ones
390 397 if ( $args ) {
391 398 foreach ( $args as $name => $value ) {
392 - $provided[ ltrim( $name, '$' ) ] = $value;
399 + $params['values'][$name]['input'] = $value;
393 400 }
394 401
395 402 $this->log( '⚡ Arguments provided: ' . json_encode( $args ) );
396 403 }
397 404
398 - // Global snippets are meant to be always accessible. On non-whitelisted REST routes
399 - // (Workflow Engine, MCP, AI function-calling) the plugins_loaded pass blocks them, so
400 - // make sure their helper library is loaded before we run a function that may call it.
401 - $this->load_global_snippets();
402 -
403 - // Make every *other* active PHP function snippet available so this function can
404 - // call its siblings. We pass the current name as the exception so the target is
405 - // still defined below (with the edited/test code when testing), not pre-defined here.
406 - $this->define_all_functions( $params['name'] );
407 -
408 405 // Check if the function has already been defined
409 406 if ( !in_array( $params['name'], $defined_functions ) ) {
410 407
411 408 // If not, proceed with modification and definition
@@ -423,58 +420,49 @@
423 420 // If already defined, just prepare to call the function without redefining it
424 421 $params['code'] = '';
425 422 }
426 423
427 - // Resolve the arguments as REAL PHP values, in the function's declared order.
428 - // The previous version concatenated each value into a string of PHP and eval-ed
429 - // the call, which broke on any string or edge-case value with a parse error
430 - // ("syntax error, unexpected token ')'"). call_user_func_array passes them as
431 - // data, so no value can ever corrupt the call syntax.
432 - $callArgs = [];
433 - foreach ( $params['args'] as $arg ) {
434 - $key = ltrim( $arg, '$' ); // Match the normalized name the caller sent.
435 - $value = null; // Not provided and no default -> null.
436 - // array_key_exists, not !empty: a legitimately provided 0, "0", "" or false
437 - // must reach the function instead of silently falling back to the default.
438 - if ( array_key_exists( $key, $provided ) ) {
439 - $value = $provided[ $key ];
440 - } else if ( isset( $params['values'][$arg]['default'] ) && $params['values'][$arg]['default'] !== '' ) {
441 - $value = $params['values'][$arg]['default'];
424 + // Prepare the code to be executed
425 + $params['code'] .= "\n\$mwcode_result = {$params['name']}(";
426 + foreach ( $params['args'] as $index => $arg ) {
427 + $value = 'null'; // In case the argument is not provided it will be null
428 +
429 + if ( array_key_exists( $arg, $params['values'] ) ) { // Avoid warnings if the argument is not provided
430 +
431 + // If the argument is provided, use it, if not use the default value
432 + if ( !empty( $params['values'][$arg]['input'] ) ) {
433 + $value = $params['values'][$arg]['input'];
434 +
435 + } else if ( !empty( $params['values'][$arg]['default'] ) ) {
436 + $value = $params['values'][$arg]['default'];
437 + }
442 438 }
443 - // An array-typed argument can arrive as a string like "[1, 2, 3]"; turn it
444 - // into a real array so the function receives what its signature expects.
445 - if ( ( $params['values'][$arg]['type'] ?? null ) === 'array' && is_string( $value ) ) {
446 - $decoded = json_decode( $value, true );
447 - $value = is_array( $decoded ) ? $decoded : array_map( 'trim', explode( ',', trim( $value, "[] \t\n\r" ) ) );
439 +
440 + $params['code'] .= "{$value}";
441 + if ( $index < count( $params['args'] ) - 1 ) {
442 + $params['code'] .= ', ';
448 443 }
449 - $callArgs[] = $value;
450 444 }
451 445
446 + $params['code'] .= ");\necho print_r(\$mwcode_result, true);";
447 +
452 448 $error = null;
453 449 $output = null;
454 -
450 +
455 451 try {
456 452 ob_start();
457 - // $params['code'] holds the function definition (empty if it was already
458 - // defined earlier this request). Declare it, then invoke it as data.
459 - if ( $params['code'] !== '' ) {
460 - eval( $params['code'] );
461 - }
462 - $mwcode_result = call_user_func_array( $params['name'], $callArgs );
463 - echo print_r( $mwcode_result, true );
453 + eval( $params['code'] );
464 454 $output = ob_get_clean();
465 -
466 - if ( $params['test'] ) {
455 +
456 + if ( $params['test'] ){
467 457 $output = explode( "\n", $output );
468 458 }
469 -
459 +
470 460 } catch ( Throwable $e ) {
471 461 //$this->log('Code Engine: Error executing the function: ' . $e->getMessage());
472 462 $error = new Exception(' Error executing the function, ' . $e->getMessage());
473 463
474 - if ( ob_get_level() > 0 ) {
475 - ob_end_clean();
476 - }
464 + ob_clean();
477 465 } finally {
478 466 restore_error_handler();
479 467 }
480 468
@@ -528,132 +516,8 @@
528 516
529 517 return null;
530 518 }
531 519
532 - /**
533 - * Load the active global snippets (persistent + backend/frontend for this context)
534 - * that haven't already run this request, so on-demand function execution has the same
535 - * always-available helper library a normal page load would. Callable functions are
536 - * typically small wrappers around these globals.
537 - *
538 - * On non-whitelisted REST routes (Workflow Engine, MCP, AI function-calling) the
539 - * plugins_loaded pass blocks global snippets for safety; this restores them for the
540 - * deliberate, authorized act of executing a snippet. The loaded-id registry guarantees
541 - * each global runs at most once per request, so nothing is ever re-declared.
542 - */
543 - function load_global_snippets() {
544 - global $current_mwcode_snippet;
545 - static $done = false;
546 - if ( $done ) {
547 - return;
548 - }
549 - $done = true;
550 -
551 - if ( empty( $this->snippet ) ) {
552 - $this->snippet = new Meow_MWCODE_Modules_Snippet( $this );
553 - }
554 -
555 - $scope = is_admin() ? [ 'backend', 'persistent' ] : [ 'frontend', 'persistent' ];
556 -
557 - $snippets = $this->snippet->select(
558 - null, // offset
559 - -1, // limit (all)
560 - [
561 - [ 'accessor' => 'active', 'value' => 1 ],
562 - [ 'accessor' => 'scope', 'value' => $scope ],
563 - ],
564 - [ 'accessor' => 'priority', 'by' => 'DESC' ]
565 - )['data'] ?? [];
566 -
567 - foreach ( $snippets as $snippet ) {
568 - // Skip globals already executed this request (e.g. by the plugins_loaded pass).
569 - if ( in_array( $snippet['id'], $this->loaded_global_ids ) ) {
570 - continue;
571 - }
572 - $this->loaded_global_ids[] = $snippet['id'];
573 -
574 - $code = $this->snippet->sanitize_code( $snippet['code'] );
575 - $current_mwcode_snippet = $snippet;
576 - try {
577 - ob_start();
578 - eval( $code );
579 - ob_end_clean();
580 - } catch ( Throwable $e ) {
581 - ob_end_clean();
582 - $this->log( "⚠️ Code Engine: Failed to load global snippet \"{$snippet['name']}\": " . $e->getMessage() );
583 - }
584 - }
585 - $current_mwcode_snippet = null;
586 - }
587 -
588 - /**
589 - * Declare every active PHP function snippet in the current request, without
590 - * invoking any of them, so function snippets can call one another.
591 - *
592 - * Function snippets are not auto-loaded on every request (unlike global/backend/
593 - * frontend scopes) — they are meant to run on demand. This is the PHP counterpart
594 - * to get_js_functions_to_push(): it makes the whole library of functions callable
595 - * before a function is executed (via REST, MCP, AI function-calling, Workflow Engine).
596 - *
597 - * Idempotent: a static guard runs the full pass only once per request, and each
598 - * definition is wrapped in function_exists() so nothing is ever redefined.
599 - *
600 - * @param string|null $except Function name to skip (the one run_snippet is about to
601 - * define itself, so edited/test code keeps priority).
602 - */
603 - function define_all_functions( $except = null ) {
604 - static $loaded = false;
605 - if ( $loaded ) {
606 - return;
607 - }
608 - $loaded = true;
609 -
610 - if ( empty( $this->snippet ) ) {
611 - $this->snippet = new Meow_MWCODE_Modules_Snippet( $this );
612 - }
613 -
614 - // One query for every active function snippet (code included), then enrich with
615 - // the function metadata (name + target) the same way run_snippet does.
616 - $snippets = $this->snippet->select(
617 - null, // offset
618 - -1, // limit (all)
619 - [
620 - [ 'accessor' => 'active', 'value' => 1 ],
621 - [ 'accessor' => 'scope', 'value' => 'function' ],
622 - ],
623 - [] // sort
624 - )['data'] ?? [];
625 -
626 - if ( empty( $snippets ) ) {
627 - return;
628 - }
629 -
630 - $this->snippet->get_function_snippets_data( $snippets );
631 -
632 - foreach ( $snippets as $snippet ) {
633 - $name = $snippet['functionName'] ?? '';
634 - $target = strtolower( $snippet['functionTarget'] ?? 'php' );
635 -
636 - // Skip JS functions (pushed to the front-end separately), the function the
637 - // caller will define itself, and anything already declared in this request.
638 - if ( $name === '' || $target === 'js' || $name === $except || function_exists( $name ) ) {
639 - continue;
640 - }
641 -
642 - // Mirror run_snippet()'s non-test handling: drop echo statements, then declare
643 - // (never call) the function, guarded so a later run_snippet() call is a no-op.
644 - $code = $this->snippet->sanitize_code( $snippet['code'] );
645 - $code = preg_replace( '/echo\s+(.+?);/s', '', $code );
646 - $code = "if (!function_exists('{$name}')) {\n{$code}\n}\n";
647 -
648 - try {
649 - eval( $code );
650 - } catch ( Throwable $e ) {
651 - $this->log( "⚠️ Code Engine: Failed to pre-define function \"{$name}\": " . $e->getMessage() );
652 - }
653 - }
654 - }
655 -
656 520 public function get_js_functions_to_push() {
657 521 $functions = $this->snippet->get_functions();
658 522 $js_functions = [];
659 523 foreach ( $functions as &$function ) {
@@ -734,9 +598,9 @@
734 598 $blocked = false;
735 599 //$blocked = true;
736 600 }
737 601 // Block REST requests that aren't whitelisted
738 - elseif ( MeowKit_MWCODE_Helpers::is_rest() && !Meow_MWCODE_Core::is_white_listed_rest() ) {
602 + elseif ( MeowCommon_Helpers::is_rest() && !Meow_MWCODE_Core::is_white_listed_rest() ) {
739 603 $blocked = true;
740 604 }
741 605
742 606 if ( empty( $this->snippet ) ) {
@@ -767,9 +631,9 @@
767 631 return;
768 632 }
769 633
770 634 $snippets = array_map( function ( $snippet ) use ( $blocked ) {
771 - $snippet['code'] = $this->snippet->sanitize_code( $snippet['code'] );
635 + $snippet['code'] = preg_replace( '/<\?php/', '', $snippet['code'], 1 );
772 636 $snippet['blocked'] = $blocked;
773 637
774 638 // If the snippet must be executed only in the frontend, we bypass the block
775 639 if ( !is_admin() && $snippet['scope'] === 'frontend' ) {
@@ -785,26 +649,16 @@
785 649
786 650 #endregion
787 651
788 652 #region Shortcodes
789 - function separate_mwcode_atts( $atts ) {
790 653
791 - if( array_key_exists( 'id', $atts ) ) unset( $atts['id'] );
792 - if( array_key_exists( 'target', $atts ) ) unset( $atts['target'] );
793 - if( array_key_exists( 'code', $atts ) ) unset( $atts['code'] );
794 -
795 - return $atts;
796 - }
797 -
798 654 function content_shortcode( $atts ) {
799 655
800 - $user_atts = $this->separate_mwcode_atts( $atts );
801 -
802 656 $atts = shortcode_atts( array(
803 - 'id' => null,
804 - 'target' => null, // js or php
805 - 'code' => null, // For Guttenberg block usage
806 - ), $atts, 'code-engine' );
657 + 'id' => null,
658 + 'target' => null,
659 + 'code' => null,
660 + ), $atts );
807 661
808 662 $id = $atts['id'];
809 663 $target = $atts['target'];
810 664 $code = $atts['code'];
@@ -887,10 +741,9 @@
887 741 $output = '<script>' . $snippet['code'] . '</script>';
888 742 }
889 743
890 744 if ( $is_content_php ) {
891 - $prefix = "\$mwcode_atts = unserialize( '" . serialize( $user_atts ) . "' );";
892 - $output = $this->run_non_fn_snippet( $id, null, false, $prefix );
745 + $output = $this->run_non_fn_snippet( $id );
893 746 }
894 747
895 748 return $output;
896 749 }