Files
prautoblogger/includes/admin/class-settings-sanitizer.php
peptiderepo 110c681c57 Adopt reusable CI standard + 300-line splits (#167)
ci: adopt estate reusable CI + split 300-line violations (v0.22.0)

Squash merge of PR #167 (claude/adopt-ci-20260616)
Head: dc5145cd92

Agent-Session: deploy-operator-2026-06-16
2026-06-16 22:01:45 +07:00

108 lines
5.0 KiB
PHP

<?php
declare(strict_types=1);
/**
* phpcs:ignore WordPress.Files.FileName.InvalidClassFileName -- class naming convention differs from WordPress standard
*
* Settings field sanitizer for PRAutoBlogger.
*
* Centralises all option sanitization logic: encryption for API keys, JSON
* encoding for multi-value fields, numeric coercion, image-model registry
* validation. Extracted from PRAutoBlogger_Admin_Page for 300-line compliance.
*
* What: Static utility called by register_setting() sanitize_callback.
* Who triggers: WordPress Settings API on option save; PRAutoBlogger_Admin_Page::sanitize_field().
* Dependencies: PRAutoBlogger_Encryption, PRAutoBlogger_Image_Model_Registry,
* PRAutoBlogger_Image_Template_Filler.
*
* @see admin/class-admin-page.php -- Registers settings and delegates here.
* @see admin/class-image-model-registry.php -- Validates image model slug on save.
* @see CONVENTIONS.md -- "How To: Add a New Admin Setting".
*/
class PRAutoBlogger_Settings_Sanitizer {
/**
* Sanitize a settings field value.
*
* @param mixed $value The submitted value.
* @return mixed Sanitized value.
*/
public static function sanitize_field( $value ) {
$option_name = '';
$filter = current_filter();
if ( 0 === strpos( $filter, 'sanitize_option_' ) ) {
$option_name = substr( $filter, strlen( 'sanitize_option_' ) );
}
$encrypted = array( 'prautoblogger_openrouter_api_key', 'prautoblogger_ga4_credentials_json', 'prautoblogger_runware_api_key' );
if ( in_array( $option_name, $encrypted, true ) ) {
// Empty value means password field wasn't touched — keep existing.
if ( '' === $value ) {
return get_option( $option_name, '' );
}
// Already encrypted (has "enc:" prefix) — return as-is.
// This is the primary defence against double-encryption:
// PRAutoBlogger_Encryption::encrypt() also checks for this prefix,
// so even if this callback is called multiple times, the value
// is encrypted exactly once and never re-encrypted.
if ( PRAutoBlogger_Encryption::is_encrypted( $value ) ) {
return $value;
}
// New plaintext value — encrypt it (adds "enc:" prefix).
return PRAutoBlogger_Encryption::encrypt( sanitize_text_field( $value ) );
}
$json_fields = array( 'prautoblogger_target_subreddits', 'prautoblogger_topic_exclusions', 'prautoblogger_enabled_sources' );
if ( in_array( $option_name, $json_fields, true ) ) {
// PHP array from checkboxes — sanitize each item and re-encode.
if ( is_array( $value ) ) {
return wp_json_encode( array_values( array_map( 'sanitize_text_field', $value ) ) );
}
$trimmed = trim( (string) $value );
// Already JSON-encoded array — decode, sanitize each item, re-encode.
// This prevents sanitize_text_field() from mangling the JSON string,
// which caused json_decode() on read to return null → empty subreddits.
if ( '[' === substr( $trimmed, 0, 1 ) ) {
$decoded = json_decode( $trimmed, true );
if ( is_array( $decoded ) ) {
return wp_json_encode( array_values( array_map( 'sanitize_text_field', $decoded ) ) );
}
}
// Comma-separated plain text — split, sanitize, encode as JSON array.
$items = array_filter( array_map( 'trim', explode( ',', $trimmed ) ) );
return wp_json_encode( array_values( array_map( 'sanitize_text_field', $items ) ) );
}
$numeric = array( 'prautoblogger_daily_article_target', 'prautoblogger_monthly_budget_usd', 'prautoblogger_min_word_count', 'prautoblogger_max_word_count', 'prautoblogger_default_author', 'prautoblogger_default_category', 'prautoblogger_pullpush_cache_ttl', 'prautoblogger_reddit_posts_per_subreddit', 'prautoblogger_board_poll_interval', 'prautoblogger_board_published_window_days', 'prautoblogger_board_column_limit', 'prautoblogger_ideas_per_page' );
if ( in_array( $option_name, $numeric, true ) ) {
return is_numeric( $value ) ? $value : 0;
}
if ( 'prautoblogger_image_model' === $option_name ) {
return self::sanitize_image_model( (string) $value );
}
if ( 'prautoblogger_image_style_template' === $option_name ) {
// Multi-line template: validation + textarea-safe sanitisation
// (incl. the single-token check, brief A5) lives in the filler.
return PRAutoBlogger_Image_Template_Filler::sanitize_for_save( (string) $value );
}
return sanitize_text_field( (string) $value );
}
/** Validate model id against the registry and persist the derived provider. */
private static function sanitize_image_model( string $value ): string {
$candidate = sanitize_text_field( $value );
$provider = PRAutoBlogger_Image_Model_Registry::provider_for( $candidate );
if ( '' !== $provider ) {
update_option( 'prautoblogger_image_provider', $provider );
return $candidate;
}
add_settings_error( 'prautoblogger_image_model', 'prautoblogger_image_model_unknown', sprintf( esc_html__( 'Image model "%s" is not in the registry. Keeping the previous selection.', 'prautoblogger' ), esc_html( $candidate ) ) );
return (string) get_option( 'prautoblogger_image_model', PRAUTOBLOGGER_DEFAULT_IMAGE_MODEL );
}
}