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<?php |
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|
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namespace Better_Payment\Lite\AI\Operations; |
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|
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use Better_Payment\Lite\AI\Schema\CampaignSchema; |
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use Better_Payment\Lite\AI\Support\DateGuard; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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/** |
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* Validates and sanitises AI-produced operations before they reach the client. |
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* |
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* This is the security boundary for AI output. Model responses are never |
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* trusted: unknown operation types are dropped, unknown element types and |
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* setting keys are stripped, values are coerced/escaped by their control type, |
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* and enum-constrained values that fall outside the allowlist are removed. |
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* |
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* The wire shape of one operation is `{ "op": "<name>", ...params }`. |
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* |
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* @see OperationRegistry Operation catalog / param shapes. |
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* @see CampaignSchema Element + meta allowlists. |
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*/ |
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class OperationValidator { |
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|
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/** |
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* Operations a single-widget turn is allowed to produce. |
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* |
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* `update_block` is the edit itself; `replace_image` is the same edit for a |
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* photo. Everything else either restructures the page or changes campaign-wide |
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* state, neither of which is what "rewrite this headline" asked for. |
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* |
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* @var array<int, string> |
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*/ |
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const SCOPED_OPERATIONS = [ 'update_block', 'replace_image' ]; |
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|
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/** |
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* Validate a batch of operations, returning only the sanitised, valid ones. |
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* |
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* @param mixed $operations Raw operations from the model. |
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* @param array $context Optional trusted current state: [ 'layout' => [...], 'meta' => [...] ]. |
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* @param array $scope Optional [ 'element_id' => string ]. When set, the turn was |
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* launched against one selected widget and may only change that |
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* widget — see {@see self::in_scope()}. |
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* @return array<int, array> Sanitised operations, invalid ones removed. |
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*/ |
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public static function validate_batch( $operations, array $context = [], array $scope = [] ): array { |
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if ( ! is_array( $operations ) ) { |
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return []; |
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} |
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|
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$id_type_map = self::build_id_type_map( $context['layout'] ?? [] ); |
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$scope_id = isset( $scope['element_id'] ) ? trim( (string) $scope['element_id'] ) : ''; |
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$clean = []; |
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|
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foreach ( $operations as $operation ) { |
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$valid = self::validate_one( $operation, $id_type_map ); |
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if ( null === $valid ) { |
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continue; |
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} |
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if ( '' !== $scope_id && ! self::in_scope( $valid, $scope_id ) ) { |
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continue; |
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} |
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$clean[] = $valid; |
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} |
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|
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return $clean; |
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} |
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|
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/** |
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* Whether a validated operation stays inside a single-widget turn. |
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* |
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* The builder's per-element AI buttons act on the widget the user has selected. |
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* Before this existed, the only thing tying the model to that widget was a |
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* sentence in the prompt naming its id — so a "shorten this" on one headline |
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* could come back as a `set_layout` rebuilding the page, or an `update_meta` |
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* changing the fundraising goal, and it would be applied. The user asked to |
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* edit one widget; anything else is a change they did not request and did not |
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* see coming, on a page they may have spent an hour arranging. |
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* |
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* Dropping is the right failure: the widget stays as it was, which is the same |
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* outcome as the model declining, and the free-form AI panel remains available |
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* for genuinely page-wide requests. |
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* |
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* @param array $operation Already-validated operation. |
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* @param string $scope_id The element id this turn is pinned to. |
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* @return bool |
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*/ |
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private static function in_scope( array $operation, string $scope_id ): bool { |
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$name = isset( $operation['op'] ) ? (string) $operation['op'] : ''; |
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|
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if ( ! in_array( $name, self::SCOPED_OPERATIONS, true ) ) { |
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return false; |
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} |
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|
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$element_id = isset( $operation['element_id'] ) ? (string) $operation['element_id'] : ''; |
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|
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return $element_id === $scope_id; |
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} |
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|
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/** |
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* Validate a single operation. |
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* |
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* @param mixed $operation |
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* @param array<string, string> $id_type_map element_id => type |
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* @return array|null Sanitised operation or null if invalid. |
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*/ |
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public static function validate_one( $operation, array $id_type_map = [] ) { |
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if ( ! is_array( $operation ) ) { |
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return null; |
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} |
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|
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// Accept `op` (canonical) or `type`/`operation` as aliases. |
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$name = $operation['op'] ?? ( $operation['operation'] ?? ( $operation['type'] ?? '' ) ); |
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$name = is_string( $name ) ? $name : ''; |
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|
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if ( ! OperationRegistry::exists( $name ) ) { |
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return null; |
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} |
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|
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switch ( $name ) { |
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case 'set_layout': |
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return self::validate_set_layout( $operation ); |
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case 'insert_block': |
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return self::validate_insert_block( $operation ); |
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case 'update_block': |
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return self::validate_update_block( $operation, $id_type_map ); |
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case 'delete_block': |
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return self::require_element_id( 'delete_block', $operation, $id_type_map ); |
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case 'move_block': |
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return self::validate_move_block( $operation, $id_type_map ); |
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case 'update_meta': |
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return self::validate_update_meta( $operation ); |
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case 'set_colors': |
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return self::validate_set_colors( $operation ); |
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case 'set_donation_amounts': |
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return self::validate_donation_amounts( $operation ); |
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case 'replace_image': |
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return self::validate_replace_image( $operation, $id_type_map ); |
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case 'generate_image': |
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return self::validate_generate_image( $operation ); |
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} |
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|
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return null; |
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} |
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|
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// ------------------------------------------------------------------ per-op |
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|
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private static function validate_set_layout( array $op ) { |
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$layout = $op['layout'] ?? ''; |
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// Some models JSON-encode the nested columns array; accept that too. |
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$columns = self::maybe_decode_json( $op['columns'] ?? [] ); |
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|
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if ( ! in_array( $layout, CampaignSchema::layout_presets(), true ) ) { |
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$layout = '1-column'; |
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} |
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if ( ! is_array( $columns ) ) { |
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return null; |
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} |
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|
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$clean_cols = []; |
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foreach ( $columns as $column ) { |
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if ( ! is_array( $column ) ) { |
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continue; |
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} |
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$clean_cols[] = [ |
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'id' => self::sanitize_id( $column['id'] ?? '' ), |
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'label' => sanitize_text_field( $column['label'] ?? '' ), |
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'width' => self::sanitize_width( $column['width'] ?? '100%' ), |
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'elements' => self::sanitize_elements( $column['elements'] ?? [] ), |
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]; |
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} |
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|
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if ( empty( $clean_cols ) ) { |
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return null; |
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} |
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|
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return [ |
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'op' => 'set_layout', |
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'layout' => $layout, |
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'columns' => $clean_cols, |
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]; |
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} |
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|
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/** |
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* `insert_block` creates a NEW element. Any registered type is accepted — |
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* including a Pro widget on a free install. |
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* |
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* A free user who explicitly asks the AI for FAQ, Video or Donors Wall gets |
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* that exact widget, not a free substitute: it lands on the canvas as the |
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* locked preview a palette drop already produces, its settings are reset to the |
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* schema defaults on save by |
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* {@see \Better_Payment\Lite\Campaign\MetaBox::enforce_pro_entitlement()}, and |
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* the builder renders it through {@see \Better_Payment\Lite\Campaign\Elements\ProElementPreview}. |
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* On the live page it renders nothing — the accepted, existing free-plugin |
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* behaviour for an unlicensed Pro widget. The assistant tells the user it is |
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* Pro-only via {@see CampaignSchema::locked_pro_types_in_operations()}. |
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* |
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* This used to refuse an unentitled Pro type outright, which left the two |
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* insertion paths inconsistent — `set_layout` kept Pro elements (see |
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* {@see self::sanitize_elements()}) while `insert_block` dropped them — so |
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* "add an FAQ" silently did nothing or got answered with a free widget. Only a |
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* truly unknown type is rejected now. |
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*/ |
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private static function validate_insert_block( array $op ) { |
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$type = CampaignSchema::resolve_element_type( is_string( $op['type'] ?? null ) ? $op['type'] : '' ); |
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if ( '' === $type ) { |
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return null; |
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} |
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|
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$clean = [ |
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'op' => 'insert_block', |
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'type' => $type, |
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'settings' => self::sanitize_settings( $type, $op['settings'] ?? [] ), |
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]; |
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if ( isset( $op['column_id'] ) && is_string( $op['column_id'] ) && '' !== $op['column_id'] ) { |
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$clean['column_id'] = self::sanitize_id( $op['column_id'] ); |
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} |
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if ( isset( $op['index'] ) && is_numeric( $op['index'] ) ) { |
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$clean['index'] = max( 0, (int) $op['index'] ); |
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} |
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return $clean; |
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} |
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|
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private static function validate_update_block( array $op, array $id_type_map ) { |
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$element_id = is_string( $op['element_id'] ?? null ) ? $op['element_id'] : ''; |
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if ( '' === $element_id ) { |
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return null; |
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} |
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// If we know the element's type from context, sanitise settings against it. |
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// Otherwise keep a shallow-sanitised object; the client executor re-checks |
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// against live state and drops unknown keys. |
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$type = $id_type_map[ $element_id ] ?? ''; |
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$settings = '' !== $type |
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? self::sanitize_settings( $type, $op['settings'] ?? [] ) |
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: self::shallow_sanitize_settings( $op['settings'] ?? [] ); |
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|
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if ( empty( $settings ) ) { |
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return null; |
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} |
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|
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return [ |
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'op' => 'update_block', |
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'element_id' => self::sanitize_id( $element_id ), |
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'settings' => $settings, |
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]; |
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} |
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|
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private static function validate_move_block( array $op, array $id_type_map ) { |
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$element_id = is_string( $op['element_id'] ?? null ) ? $op['element_id'] : ''; |
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$to_column_id = is_string( $op['to_column_id'] ?? null ) ? $op['to_column_id'] : ''; |
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if ( '' === $element_id || '' === $to_column_id ) { |
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return null; |
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} |
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$clean = [ |
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'op' => 'move_block', |
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'element_id' => self::sanitize_id( $element_id ), |
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'to_column_id' => self::sanitize_id( $to_column_id ), |
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]; |
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if ( isset( $op['index'] ) && is_numeric( $op['index'] ) ) { |
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$clean['index'] = max( 0, (int) $op['index'] ); |
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} |
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return $clean; |
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} |
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|
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private static function validate_update_meta( array $op ) { |
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$key = is_string( $op['key'] ?? null ) ? $op['key'] : ''; |
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if ( ! CampaignSchema::is_writable_meta_key( $key ) ) { |
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return null; |
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} |
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|
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// An AI-produced end date is always in the future, in every mode. This is |
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// the one place every model-produced operation passes through, whatever |
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// the route — generation, a conversational edit, an applied analysis |
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// suggestion — which is why the rule lives here and not in any one |
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// service. A past or unparseable date drops the whole operation, leaving |
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// the field unset: no deadline is a valid campaign, an elapsed one is a |
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// page that opens already closed. See {@see DateGuard}. |
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if ( 'bpc_end_date' === $key ) { |
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$date = DateGuard::usable_end_date( $op['value'] ?? '' ); |
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if ( '' === $date ) { |
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return null; |
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} |
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return [ |
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'op' => 'update_meta', |
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'key' => $key, |
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'value' => $date, |
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]; |
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} |
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|
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return [ |
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'op' => 'update_meta', |
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'key' => $key, |
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'value' => self::sanitize_meta_value( $key, $op['value'] ?? '' ), |
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]; |
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} |
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|
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private static function validate_set_colors( array $op ) { |
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$clean = [ 'op' => 'set_colors' ]; |
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if ( isset( $op['primary'] ) ) { |
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$primary = sanitize_hex_color( (string) $op['primary'] ); |
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if ( $primary ) { |
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$clean['primary'] = $primary; |
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} |
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} |
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if ( isset( $op['background'] ) ) { |
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$bg = sanitize_hex_color( (string) $op['background'] ); |
| 309 |
if ( $bg ) { |
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$clean['background'] = $bg; |
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} |
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} |
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if ( ! isset( $clean['primary'] ) && ! isset( $clean['background'] ) ) { |
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return null; |
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} |
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return $clean; |
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} |
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|
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private static function validate_donation_amounts( array $op ) { |
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$amounts = $op['amounts'] ?? []; |
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if ( ! is_array( $amounts ) ) { |
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return null; |
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} |
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$clean = []; |
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$i = 0; |
| 326 |
foreach ( $amounts as $item ) { |
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if ( ! is_array( $item ) ) { |
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continue; |
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} |
| 330 |
$i++; |
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$clean[] = [ |
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'id' => 'sa_' . $i, |
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'amount' => (string) floatval( $item['amount'] ?? 0 ), |
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'description' => sanitize_text_field( $item['description'] ?? '' ), |
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'is_default' => ! empty( $item['is_default'] ), |
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]; |
| 337 |
} |
| 338 |
if ( empty( $clean ) ) { |
| 339 |
return null; |
| 340 |
} |
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return [ |
| 342 |
'op' => 'set_donation_amounts', |
| 343 |
'amounts' => $clean, |
| 344 |
]; |
| 345 |
} |
| 346 |
|
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private static function validate_replace_image( array $op, array $id_type_map ) { |
| 348 |
$element_id = is_string( $op['element_id'] ?? null ) ? $op['element_id'] : ''; |
| 349 |
$src = esc_url_raw( (string) ( $op['src'] ?? '' ) ); |
| 350 |
if ( '' === $element_id || '' === $src ) { |
| 351 |
return null; |
| 352 |
} |
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return [ |
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'op' => 'replace_image', |
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'element_id' => self::sanitize_id( $element_id ), |
| 356 |
'src' => $src, |
| 357 |
'src_id' => isset( $op['src_id'] ) ? absint( $op['src_id'] ) : 0, |
| 358 |
'src_sizes' => is_array( $op['src_sizes'] ?? null ) ? $op['src_sizes'] : [], |
| 359 |
'alt' => sanitize_text_field( $op['alt'] ?? '' ), |
| 360 |
]; |
| 361 |
} |
| 362 |
|
| 363 |
private static function validate_generate_image( array $op ) { |
| 364 |
$prompt = sanitize_textarea_field( (string) ( $op['prompt'] ?? '' ) ); |
| 365 |
if ( '' === trim( $prompt ) ) { |
| 366 |
return null; |
| 367 |
} |
| 368 |
$clean = [ |
| 369 |
'op' => 'generate_image', |
| 370 |
'prompt' => $prompt, |
| 371 |
]; |
| 372 |
if ( ! empty( $op['element_id'] ) && is_string( $op['element_id'] ) ) { |
| 373 |
$clean['element_id'] = self::sanitize_id( $op['element_id'] ); |
| 374 |
} |
| 375 |
if ( ! empty( $op['column_id'] ) && is_string( $op['column_id'] ) ) { |
| 376 |
$clean['column_id'] = self::sanitize_id( $op['column_id'] ); |
| 377 |
} |
| 378 |
return $clean; |
| 379 |
} |
| 380 |
|
| 381 |
private static function require_element_id( string $name, array $op, array $id_type_map ) { |
| 382 |
$element_id = is_string( $op['element_id'] ?? null ) ? $op['element_id'] : ''; |
| 383 |
if ( '' === $element_id ) { |
| 384 |
return null; |
| 385 |
} |
| 386 |
return [ |
| 387 |
'op' => $name, |
| 388 |
'element_id' => self::sanitize_id( $element_id ), |
| 389 |
]; |
| 390 |
} |
| 391 |
|
| 392 |
// ------------------------------------------------------------------ helpers |
| 393 |
|
| 394 |
/** |
| 395 |
* Sanitise a full list of raw elements (used by set_layout). |
| 396 |
* |
| 397 |
* Note what this deliberately does NOT do: it does not drop Pro elements on a |
| 398 |
* non-Pro install, even though {@see self::validate_insert_block()} refuses to |
| 399 |
* create one. `set_layout` is a whole-page replacement, and an edit turn as |
| 400 |
* ordinary as "shorten the title" comes back with the entire page echoed in |
| 401 |
* it. On a lapsed licence, filtering here would turn that turn into a silent |
| 402 |
* deletion of every Pro element the user had built while subscribed — the same |
| 403 |
* destruction {@see \Better_Payment\Lite\Campaign\MetaBox::enforce_pro_entitlement()} |
| 404 |
* exists to prevent by restoring settings rather than removing elements. |
| 405 |
* |
| 406 |
* Entitlement is enforced where it is safe to enforce it: we do not offer Pro |
| 407 |
* types in the prompt, we refuse to insert new ones, and MetaBox neuters their |
| 408 |
* settings on save. A Pro element that survives here renders as nothing on the |
| 409 |
* frontend, which is recoverable; deleting the user's work is not. |
| 410 |
* |
| 411 |
* @return array<int, array> |
| 412 |
*/ |
| 413 |
private static function sanitize_elements( $elements ): array { |
| 414 |
$elements = self::maybe_decode_json( $elements ); |
| 415 |
if ( ! is_array( $elements ) ) { |
| 416 |
return []; |
| 417 |
} |
| 418 |
$clean = []; |
| 419 |
foreach ( $elements as $element ) { |
| 420 |
$element = self::maybe_decode_json( $element ); |
| 421 |
if ( ! is_array( $element ) ) { |
| 422 |
continue; |
| 423 |
} |
| 424 |
// Resolve aliased type names (heading → campaign_title, etc.) so a |
| 425 |
// mis-named element is recovered rather than dropped. |
| 426 |
$type = CampaignSchema::resolve_element_type( is_string( $element['type'] ?? null ) ? $element['type'] : '' ); |
| 427 |
if ( '' === $type ) { |
| 428 |
continue; |
| 429 |
} |
| 430 |
$entry = [ |
| 431 |
'type' => $type, |
| 432 |
'settings' => self::sanitize_settings( $type, $element['settings'] ?? [] ), |
| 433 |
]; |
| 434 |
// Preserve an incoming id only if it looks builder-generated; otherwise |
| 435 |
// the client mints a fresh one on apply. |
| 436 |
if ( ! empty( $element['id'] ) && is_string( $element['id'] ) ) { |
| 437 |
$entry['id'] = self::sanitize_id( $element['id'] ); |
| 438 |
} |
| 439 |
$clean[] = $entry; |
| 440 |
} |
| 441 |
return $clean; |
| 442 |
} |
| 443 |
|
| 444 |
/** |
| 445 |
* Label settings the renderer appends a live value to. |
| 446 |
* |
| 447 |
* These are **prefixes**: `RendererService` prints `$goal_label . ' ' . |
| 448 |
* $currency_symbol . $goal` and `$donate_label . ' ' . $progress . '%'`. A model |
| 449 |
* handed a free-text field called "Goal Label:" writes the whole phrase — |
| 450 |
* `"Our Goal: $5,000"` — and the page then reads `"Our Goal: $5,000 €5,000"`: |
| 451 |
* the amount twice, in two currencies, because the model guesses USD while the |
| 452 |
* site is EUR. Worse, the model's number is invented, so editing the real goal |
| 453 |
* later leaves the label contradicting it rather than merely repeating it. |
| 454 |
* |
| 455 |
* This list is deliberately NOT "every key ending in `_label`". |
| 456 |
* `donation_form`'s `button_label` is echoed on its own, so "Donate $50" is a |
| 457 |
* legitimate CTA there; stripping it would be the bug, not the fix. Only labels |
| 458 |
* the renderer follows with a value belong here — check the renderer before |
| 459 |
* adding one. |
| 460 |
* |
| 461 |
* @return array<string, string[]> element type => label setting keys. |
| 462 |
*/ |
| 463 |
private static function value_suffixed_labels(): array { |
| 464 |
/** |
| 465 |
* Filter the label settings that must not contain a value. |
| 466 |
* |
| 467 |
* @param array<string, string[]> $map Element type => setting keys. |
| 468 |
*/ |
| 469 |
return apply_filters( |
| 470 |
'better_payment/ai/value_suffixed_labels', |
| 471 |
[ |
| 472 |
'progress_bar' => [ 'goal_label', 'donate_label' ], |
| 473 |
] |
| 474 |
); |
| 475 |
} |
| 476 |
|
| 477 |
/** |
| 478 |
* Strip an embedded amount / percentage / currency symbol from a label. |
| 479 |
* |
| 480 |
* The prompt tells the model not to write these ({@see Prompt/Templates/rules.php}) |
| 481 |
* and gives it the site currency, but a prompt is a request. This is the part |
| 482 |
* that holds. |
| 483 |
* |
| 484 |
* Conservative on purpose — it removes only what unambiguously reads as a |
| 485 |
* value: a currency symbol with digits, comma-grouped thousands, a percentage, |
| 486 |
* or a stray currency symbol. A bare short number is left alone, because |
| 487 |
* "Season 2024 Goal" is a real label and mangling an author's text is worse |
| 488 |
* than the duplication this fixes. `\p{Sc}` covers $ € £ ¥ ₹ and the rest. |
| 489 |
* |
| 490 |
* @param string $label |
| 491 |
* @return string Cleaned label; '' if nothing survived (caller drops it and the |
| 492 |
* schema default applies). |
| 493 |
*/ |
| 494 |
public static function strip_value_from_label( string $label ): string { |
| 495 |
$patterns = [ |
| 496 |
'/\p{Sc}\s*\d[\d.,]*/u', // $5,000 / € 5.000 |
| 497 |
'/\d{1,3}(?:,\d{3})+(?:\.\d+)?/u', // 5,000 — grouped thousands |
| 498 |
'/\d[\d.,]*\s*%/u', // 40% |
| 499 |
'/\p{Sc}/u', // stray symbol |
| 500 |
]; |
| 501 |
|
| 502 |
$clean = (string) preg_replace( $patterns, '', $label ); |
| 503 |
|
| 504 |
// Collapse the whitespace the removals left behind, then tidy trailing |
| 505 |
// separators — "Our Goal: $5,000" must not come back as "Our Goal: ". |
| 506 |
$clean = (string) preg_replace( '/\s{2,}/u', ' ', $clean ); |
| 507 |
$clean = trim( $clean ); |
| 508 |
$clean = (string) preg_replace( '/[\s\-–—]+$/u', '', $clean ); |
| 509 |
|
| 510 |
return trim( $clean ); |
| 511 |
} |
| 512 |
|
| 513 |
/** |
| 514 |
* Apply {@see self::strip_value_from_label()} where the type says it applies. |
| 515 |
* |
| 516 |
* @param string $type Element type, or '' when unknown. |
| 517 |
* @param string $key Canonical setting key. |
| 518 |
* @param mixed $value |
| 519 |
* @return mixed |
| 520 |
*/ |
| 521 |
private static function guard_label_value( string $type, string $key, $value ) { |
| 522 |
if ( ! is_string( $value ) || '' === $value ) { |
| 523 |
return $value; |
| 524 |
} |
| 525 |
|
| 526 |
$map = self::value_suffixed_labels(); |
| 527 |
|
| 528 |
if ( '' !== $type ) { |
| 529 |
$keys = isset( $map[ $type ] ) ? (array) $map[ $type ] : []; |
| 530 |
} else { |
| 531 |
// No type context (a bare update_block). Fall back to the union of |
| 532 |
// every guarded key — these names exist only on the elements listed |
| 533 |
// above, so matching by key alone cannot hit an unrelated setting. |
| 534 |
$keys = array_unique( array_merge( [], ...array_values( $map ) ) ); |
| 535 |
} |
| 536 |
|
| 537 |
if ( ! in_array( $key, $keys, true ) ) { |
| 538 |
return $value; |
| 539 |
} |
| 540 |
|
| 541 |
return self::strip_value_from_label( $value ); |
| 542 |
} |
| 543 |
|
| 544 |
/** |
| 545 |
* Sanitise a settings object against a known element type's allowlist. |
| 546 |
* |
| 547 |
* @return array<string, mixed> |
| 548 |
*/ |
| 549 |
public static function sanitize_settings( string $type, $settings ): array { |
| 550 |
$settings = self::maybe_decode_json( $settings ); |
| 551 |
if ( ! is_array( $settings ) ) { |
| 552 |
return []; |
| 553 |
} |
| 554 |
$allowed = CampaignSchema::allowed_settings_keys( $type ); |
| 555 |
$clean = []; |
| 556 |
foreach ( $settings as $key => $value ) { |
| 557 |
// Map aliased content keys (text → title/content/button_label, …). |
| 558 |
$canon = CampaignSchema::resolve_setting_key( $type, (string) $key ); |
| 559 |
if ( ! in_array( $canon, $allowed, true ) ) { |
| 560 |
continue; |
| 561 |
} |
| 562 |
$sanitized = self::sanitize_setting_value( $type, $canon, $value ); |
| 563 |
if ( null !== $sanitized ) { |
| 564 |
$guarded = self::guard_label_value( $type, $canon, $sanitized ); |
| 565 |
|
| 566 |
// Drop only when the GUARD emptied it — a label that was nothing |
| 567 |
// but an amount. Then the renderer's `! empty()` restores the |
| 568 |
// schema default ("Goal:") instead of printing a bare figure. |
| 569 |
// |
| 570 |
// Testing `'' === $guarded` alone would also swallow a value the |
| 571 |
// model deliberately cleared, and in this codebase emptied means |
| 572 |
// empty — see the "use isset(), never ! empty()" note in |
| 573 |
// docs/features/campaign-builder/frontend-rendering.md. |
| 574 |
if ( '' === $guarded && '' !== $sanitized ) { |
| 575 |
continue; |
| 576 |
} |
| 577 |
|
| 578 |
$clean[ $canon ] = $guarded; |
| 579 |
} |
| 580 |
} |
| 581 |
return $clean; |
| 582 |
} |
| 583 |
|
| 584 |
/** |
| 585 |
* Shallow sanitise when the element type is unknown (no context). |
| 586 |
* Keys are kept but values are coerced to safe scalars/arrays; the client |
| 587 |
* executor performs the type-aware allowlist check against live state. |
| 588 |
* |
| 589 |
* @return array<string, mixed> |
| 590 |
*/ |
| 591 |
private static function shallow_sanitize_settings( $settings ): array { |
| 592 |
if ( ! is_array( $settings ) ) { |
| 593 |
return []; |
| 594 |
} |
| 595 |
$clean = []; |
| 596 |
foreach ( $settings as $key => $value ) { |
| 597 |
if ( ! is_string( $key ) ) { |
| 598 |
continue; |
| 599 |
} |
| 600 |
if ( is_bool( $value ) || is_int( $value ) || is_float( $value ) ) { |
| 601 |
$clean[ $key ] = $value; |
| 602 |
} elseif ( is_string( $value ) ) { |
| 603 |
// The label guard runs here too. This path handles update_block |
| 604 |
// with no type context, which is exactly the op an "edit the |
| 605 |
// progress bar" turn produces — guarding only the typed path |
| 606 |
// above would leave the common case open. |
| 607 |
$safe = wp_kses_post( $value ); |
| 608 |
$guarded = self::guard_label_value( '', $key, $safe ); |
| 609 |
|
| 610 |
// As above: drop only when the guard emptied it, never when the |
| 611 |
// model deliberately sent an empty string. |
| 612 |
if ( '' === $guarded && '' !== $safe ) { |
| 613 |
continue; |
| 614 |
} |
| 615 |
|
| 616 |
$clean[ $key ] = $guarded; |
| 617 |
} elseif ( is_array( $value ) ) { |
| 618 |
$clean[ $key ] = $value; |
| 619 |
} |
| 620 |
} |
| 621 |
return $clean; |
| 622 |
} |
| 623 |
|
| 624 |
/** |
| 625 |
* Coerce/escape a single setting value based on its control type. |
| 626 |
* |
| 627 |
* @param mixed $value |
| 628 |
* @return mixed|null Null drops the key (e.g. invalid enum value). |
| 629 |
*/ |
| 630 |
public static function sanitize_setting_value( string $type, string $key, $value ) { |
| 631 |
$control = CampaignSchema::find_control( $type, $key ); |
| 632 |
$ctype = $control['type'] ?? 'text'; |
| 633 |
|
| 634 |
switch ( $ctype ) { |
| 635 |
case 'color': |
| 636 |
$hex = sanitize_hex_color( (string) $value ); |
| 637 |
return $hex ? $hex : ''; |
| 638 |
|
| 639 |
case 'number': |
| 640 |
case 'range': |
| 641 |
case 'currency': |
| 642 |
// Drop empty / non-numeric values so the element's own default |
| 643 |
// applies. Emitting '' here would override a meaningful default |
| 644 |
// (e.g. width 100) and collapse the element on render. |
| 645 |
if ( '' === $value || null === $value || ! is_numeric( $value ) ) { |
| 646 |
return null; |
| 647 |
} |
| 648 |
return 0 + $value; |
| 649 |
|
| 650 |
case 'toggle': |
| 651 |
case 'switch': |
| 652 |
return (bool) $value; |
| 653 |
|
| 654 |
case 'select': |
| 655 |
case 'align': |
| 656 |
$enum = CampaignSchema::enum_values( $type, $key ); |
| 657 |
$val = (string) $value; |
| 658 |
if ( is_array( $enum ) && ! in_array( $val, $enum, true ) ) { |
| 659 |
return null; // drop out-of-enum value |
| 660 |
} |
| 661 |
return $val; |
| 662 |
|
| 663 |
case 'url': |
| 664 |
return esc_url_raw( (string) $value ); |
| 665 |
|
| 666 |
case 'rich_text': |
| 667 |
return wp_kses_post( (string) $value ); |
| 668 |
|
| 669 |
case 'textarea': |
| 670 |
return sanitize_textarea_field( (string) $value ); |
| 671 |
|
| 672 |
case 'image_upload': |
| 673 |
// src is a URL; other image sub-keys handled by defaultSettings coercion below. |
| 674 |
return is_array( $value ) ? $value : esc_url_raw( (string) $value ); |
| 675 |
|
| 676 |
default: |
| 677 |
// Preserve arrays (e.g. src_sizes), ints, bools; text-sanitise strings. |
| 678 |
if ( is_array( $value ) ) { |
| 679 |
return $value; |
| 680 |
} |
| 681 |
if ( is_bool( $value ) || is_int( $value ) || is_float( $value ) ) { |
| 682 |
return $value; |
| 683 |
} |
| 684 |
return sanitize_text_field( (string) $value ); |
| 685 |
} |
| 686 |
} |
| 687 |
|
| 688 |
/** |
| 689 |
* Sanitise a campaign meta value by key. |
| 690 |
* |
| 691 |
* @param mixed $value |
| 692 |
* @return mixed |
| 693 |
*/ |
| 694 |
public static function sanitize_meta_value( string $key, $value ) { |
| 695 |
switch ( $key ) { |
| 696 |
case 'bpc_goal_amount': |
| 697 |
case 'bpc_minimum_amount': |
| 698 |
return is_numeric( $value ) ? (float) $value : ''; |
| 699 |
case 'bpc_allow_custom_amount': |
| 700 |
return (int) ( ! empty( $value ) ); |
| 701 |
case 'bpc_color_primary': |
| 702 |
case 'bpc_color_background': |
| 703 |
$hex = sanitize_hex_color( (string) $value ); |
| 704 |
return $hex ? $hex : ''; |
| 705 |
case 'bpc_css_class': |
| 706 |
return sanitize_html_class( (string) $value ); |
| 707 |
case 'bpc_suggested_amounts': |
| 708 |
return is_array( $value ) ? $value : []; |
| 709 |
default: |
| 710 |
return sanitize_text_field( (string) $value ); |
| 711 |
} |
| 712 |
} |
| 713 |
|
| 714 |
/** |
| 715 |
* If a value is a JSON-encoded array/object string, decode it; otherwise |
| 716 |
* return it unchanged. Guards against models that stringify nested tool-call |
| 717 |
* arguments (e.g. columns/elements/settings as a JSON string). |
| 718 |
* |
| 719 |
* @param mixed $value |
| 720 |
* @return mixed |
| 721 |
*/ |
| 722 |
private static function maybe_decode_json( $value ) { |
| 723 |
if ( ! is_string( $value ) ) { |
| 724 |
return $value; |
| 725 |
} |
| 726 |
$trimmed = trim( $value ); |
| 727 |
if ( '' === $trimmed || ( '[' !== $trimmed[0] && '{' !== $trimmed[0] ) ) { |
| 728 |
return $value; |
| 729 |
} |
| 730 |
$decoded = json_decode( $trimmed, true ); |
| 731 |
return is_array( $decoded ) ? $decoded : $value; |
| 732 |
} |
| 733 |
|
| 734 |
private static function sanitize_id( $id ): string { |
| 735 |
// Builder ids are like `el_ab12cd34ef56`, `col_abcd1234`, or template names. |
| 736 |
return preg_replace( '/[^A-Za-z0-9_\-]/', '', (string) $id ); |
| 737 |
} |
| 738 |
|
| 739 |
private static function sanitize_width( $width ): string { |
| 740 |
$width = (string) $width; |
| 741 |
if ( preg_match( '/^\d{1,3}(\.\d+)?%$/', $width ) ) { |
| 742 |
return $width; |
| 743 |
} |
| 744 |
if ( is_numeric( $width ) ) { |
| 745 |
return ( 0 + $width ) . '%'; |
| 746 |
} |
| 747 |
return '100%'; |
| 748 |
} |
| 749 |
|
| 750 |
/** |
| 751 |
* Map element_id => type from a trusted layout context. |
| 752 |
* |
| 753 |
* @return array<string, string> |
| 754 |
*/ |
| 755 |
private static function build_id_type_map( $layout ): array { |
| 756 |
$map = []; |
| 757 |
if ( ! is_array( $layout ) || empty( $layout['columns'] ) || ! is_array( $layout['columns'] ) ) { |
| 758 |
return $map; |
| 759 |
} |
| 760 |
foreach ( $layout['columns'] as $column ) { |
| 761 |
if ( ! is_array( $column ) || empty( $column['elements'] ) ) { |
| 762 |
continue; |
| 763 |
} |
| 764 |
foreach ( $column['elements'] as $element ) { |
| 765 |
if ( is_array( $element ) && ! empty( $element['id'] ) && ! empty( $element['type'] ) ) { |
| 766 |
$map[ (string) $element['id'] ] = (string) $element['type']; |
| 767 |
} |
| 768 |
} |
| 769 |
} |
| 770 |
return $map; |
| 771 |
} |
| 772 |
} |
| 773 |
|
