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<?php |
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/** |
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* Email Report Config |
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* |
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* Persistence layer for the per-site Email Reporting settings. Stores a |
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* single associative array under the `thinkrank_email_report_config` option |
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* — one row per site is enough; we don't shard by user. Values are |
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* sanitized at the boundary and capability-clamped via Plan_Config so a |
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* free plan never accidentally persists Pro values that don't belong. |
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* |
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* Pro plugin can extend the saved schema by hooking |
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* `thinkrank_email_report_config_schema` (added fields are sanitized |
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* if a callback is provided). |
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* |
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* @package ThinkRank |
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* @subpackage SEO |
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* @since 1.9.0 |
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*/ |
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|
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declare(strict_types=1); |
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|
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namespace ThinkRank\SEO; |
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|
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use ThinkRank\Core\Plan_Config; |
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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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* Email_Report_Config |
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* |
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* @since 1.9.0 |
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*/ |
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final class Email_Report_Config { |
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|
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private const OPTION_KEY = 'thinkrank_email_report_config'; |
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|
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/** |
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* Load defaults helper. Lazy-loads the config defaults file because |
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* it lives outside the autoloader path (it's procedural functions). |
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*/ |
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private function defaults(): array { |
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if (!function_exists('thinkrank_get_default_email_report_config')) { |
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require_once THINKRANK_PLUGIN_DIR . 'includes/config/email-report-settings-config.php'; |
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} |
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return thinkrank_get_default_email_report_config(); |
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} |
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|
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/** |
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* Read the current config. Always merges over defaults so newly added |
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* keys (e.g. after a plugin update) are populated even on existing sites. |
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*/ |
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public function get(): array { |
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$stored = get_option(self::OPTION_KEY, []); |
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if (!is_array($stored)) { |
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$stored = []; |
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} |
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return array_merge($this->defaults(), $stored); |
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} |
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|
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/** |
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* Save the config. Returns the post-sanitize array that was persisted |
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* so callers can echo it back to the client and avoid a second read. |
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* |
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* Sanitization happens here, not in the REST args layer — the REST |
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* layer accepts intent, this layer enforces invariants. That way the |
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* cron-driven path (which doesn't go through REST) gets the same guarantees. |
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*/ |
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public function save(array $input): array { |
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$sanitized = $this->sanitize($input); |
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|
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// Defense-in-depth: re-clamp at save time even though sanitize() also clamps. |
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$sanitized['frequency_days'] = Plan_Config::clamp_email_report_frequency((int) $sanitized['frequency_days']); |
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$sanitized['recipients'] = Plan_Config::clamp_email_report_recipients($sanitized['recipients']); |
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|
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// Seed next_scheduled_at on first enable so the UI shows a real |
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// "Next report" date immediately. The scheduler still re-seeds on |
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// its first tick for any other path that flips enable on. |
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if ($sanitized['enabled'] && empty($sanitized['next_scheduled_at'])) { |
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$sanitized['next_scheduled_at'] = wp_date( |
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'Y-m-d H:i:s', |
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strtotime('+' . max(1, (int) $sanitized['frequency_days']) . ' days') |
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); |
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} |
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|
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update_option(self::OPTION_KEY, $sanitized, false); |
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|
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/** |
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* Fires after Email Report config is saved. |
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* |
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* Pro plugin uses this to re-validate its own added fields, refresh |
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* an audit table, or trigger a re-schedule. |
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* |
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* @since 1.9.0 |
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* |
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* @param array $sanitized The persisted config. |
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*/ |
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do_action('thinkrank_email_report_settings_saved', $sanitized); |
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|
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return $sanitized; |
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} |
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|
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/** |
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* Pure sanitization — no DB writes. Useful for previews and tests. |
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* |
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* Free vs. Pro behavior: Pro-only fields are accepted into the array |
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* even on free, but their values are coerced to defaults if the user |
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* isn't allowed to set them. Why keep them at all? So if the user |
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* upgrades, their previously-saved values aren't lost. |
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*/ |
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public function sanitize(array $input): array { |
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$defaults = $this->defaults(); |
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$caps = Plan_Config::email_report(); |
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$limits = function_exists('thinkrank_get_email_report_field_limits') |
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? thinkrank_get_email_report_field_limits() |
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: []; |
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|
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// Existing stored values are the baseline — partial updates (e.g. |
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// a toggle-only POST or a Pro field added later) merge over the |
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// saved config rather than reverting unsupplied keys to defaults. |
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$stored = get_option(self::OPTION_KEY, []); |
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if (!is_array($stored)) { |
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$stored = []; |
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} |
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$existing = array_merge($defaults, $stored); |
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|
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$clean = []; |
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|
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$clean['enabled'] = isset($input['enabled']) |
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? !empty($input['enabled']) |
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: (bool) $existing['enabled']; |
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|
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$clean['frequency_days'] = Plan_Config::clamp_email_report_frequency( |
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isset($input['frequency_days']) ? (int) $input['frequency_days'] : (int) $existing['frequency_days'] |
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); |
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|
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$clean['recipients'] = Plan_Config::clamp_email_report_recipients( |
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$this->normalize_recipients($input['recipients'] ?? $existing['recipients']) |
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); |
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|
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// Subject: free plan always uses the default. Pro: keep existing |
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// when input doesn't include the key, accept new when it does. |
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if (!empty($caps['custom_subject']) && array_key_exists('subject_template', $input)) { |
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$subject = sanitize_text_field((string) $input['subject_template']); |
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if ($subject === '') { |
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$subject = (string) $defaults['subject_template']; |
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} |
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} elseif (!empty($caps['custom_subject'])) { |
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$subject = (string) $existing['subject_template']; |
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} else { |
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$subject = (string) $defaults['subject_template']; |
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} |
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$clean['subject_template'] = $this->trim_to($subject, $limits['subject_template'] ?? 200); |
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|
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// Logo URL: free plan stays null. Pro: only overwrite when the key |
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// is present in input (so partial updates don't blank the logo). |
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$clean['logo_url'] = $this->resolve_optional_url( |
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$caps, |
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'custom_logo', |
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$input, |
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'logo_url', |
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$existing['logo_url'] ?? null, |
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$limits['logo_url'] ?? 2048 |
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); |
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|
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$clean['logo_link'] = $this->resolve_optional_url( |
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$caps, |
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'logo_link', |
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$input, |
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'logo_link', |
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$existing['logo_link'] ?? null, |
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$limits['logo_link'] ?? 2048 |
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); |
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|
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$clean['header_background'] = $this->resolve_optional_text( |
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$caps, |
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'header_background', |
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$input, |
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'header_background', |
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$existing['header_background'] ?? null, |
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$limits['header_background'] ?? 500 |
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); |
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|
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// Free is forced to the default toggle (true) so the dashboard CTA |
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// still appears. Pro: prefer input, fall back to existing, then default. |
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$clean['link_to_full_report'] = empty($caps['link_to_full_report']) |
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? (bool) $defaults['link_to_full_report'] |
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: ( |
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array_key_exists('link_to_full_report', $input) |
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? (bool) $input['link_to_full_report'] |
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: (bool) $existing['link_to_full_report'] |
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); |
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|
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$clean['intro_text'] = $this->resolve_optional_rich_text( |
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$caps, |
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'intro_text', |
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$input, |
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'intro_text', |
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$existing['intro_text'] ?? null, |
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$limits['intro_text'] ?? 5000 |
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); |
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|
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$clean['footer_text'] = $this->resolve_optional_rich_text( |
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$caps, |
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'footer_text', |
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$input, |
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'footer_text', |
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$existing['footer_text'] ?? null, |
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$limits['footer_text'] ?? 5000 |
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); |
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|
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$clean['additional_css'] = empty($caps['additional_css']) |
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? null |
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: ( |
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array_key_exists('additional_css', $input) |
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? $this->sanitize_css($input['additional_css'], $limits['additional_css'] ?? 20000) |
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: ($existing['additional_css'] ?? null) |
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); |
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|
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// Sections: Free is locked to all-on. Pro user submits the list, |
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// falling back to existing when the key is missing. |
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if (empty($caps['sections_configurable'])) { |
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$clean['sections_enabled'] = (array) $defaults['sections_enabled']; |
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} elseif (array_key_exists('sections_enabled', $input)) { |
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$clean['sections_enabled'] = $this->sanitize_section_keys($input['sections_enabled']); |
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} else { |
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$clean['sections_enabled'] = (array) $existing['sections_enabled']; |
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} |
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|
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// Schedule timestamps are server-managed — never trust client input. |
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$clean['next_scheduled_at'] = $stored['next_scheduled_at'] ?? null; |
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$clean['last_sent_at'] = $stored['last_sent_at'] ?? null; |
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|
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/** |
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* Filter the sanitized config before persistence. |
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* |
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* Pro plugin uses this to sanitize fields it has added via |
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* `thinkrank_email_report_config_schema`. The filter receives the |
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* raw input alongside the sanitized output so consumers can read |
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* pro-only field intent without re-parsing the request. |
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* |
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* @since 1.9.0 |
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* |
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* @param array $clean Sanitized config so far. |
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* @param array $input Raw input as received. |
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*/ |
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return apply_filters('thinkrank_email_report_config_sanitized', $clean, $input); |
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} |
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|
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/** |
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* Update only the schedule timestamps. Called from the scheduler after |
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* a successful send so we don't round-trip the whole sanitize() flow |
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* (the rest of the config hasn't changed). |
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*/ |
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public function update_schedule(?string $last_sent_at, ?string $next_scheduled_at): array { |
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$current = $this->get(); |
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$current['last_sent_at'] = $last_sent_at; |
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$current['next_scheduled_at'] = $next_scheduled_at; |
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update_option(self::OPTION_KEY, $current, false); |
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return $current; |
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} |
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|
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/** |
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* Normalize a recipient input that might arrive as a string |
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* ("a@x.com, b@x.com") or as an array. |
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* |
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* @param mixed $raw |
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* @return string[] |
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*/ |
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private function normalize_recipients($raw): array { |
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if (is_string($raw)) { |
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$raw = preg_split('/[\s,;]+/', $raw) ?: []; |
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} |
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if (!is_array($raw)) { |
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return []; |
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} |
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$emails = []; |
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foreach ($raw as $candidate) { |
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if (!is_string($candidate)) { |
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continue; |
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} |
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$candidate = sanitize_email(trim($candidate)); |
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if ($candidate !== '' && is_email($candidate)) { |
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$emails[] = strtolower($candidate); |
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} |
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} |
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return array_values(array_unique($emails)); |
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} |
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|
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/** |
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* Resolve an optional URL field with partial-update semantics. |
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* Free plan: always null. Pro: prefer input, fall back to existing. |
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*/ |
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private function resolve_optional_url(array $caps, string $cap_key, array $input, string $field, $existing, int $max_len): ?string { |
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if (empty($caps[$cap_key])) { |
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return null; |
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} |
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if (array_key_exists($field, $input)) { |
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return $this->sanitize_url($input[$field], $max_len); |
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} |
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return is_string($existing) && $existing !== '' ? $existing : null; |
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} |
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|
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private function resolve_optional_text(array $caps, string $cap_key, array $input, string $field, $existing, int $max_len): ?string { |
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if (empty($caps[$cap_key])) { |
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return null; |
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} |
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if (array_key_exists($field, $input)) { |
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$raw = $input[$field]; |
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return is_string($raw) |
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? $this->trim_to(sanitize_text_field($raw), $max_len) |
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: null; |
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} |
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return is_string($existing) && $existing !== '' ? $existing : null; |
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} |
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|
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private function resolve_optional_rich_text(array $caps, string $cap_key, array $input, string $field, $existing, int $max_len): ?string { |
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if (empty($caps[$cap_key])) { |
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return null; |
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} |
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if (array_key_exists($field, $input)) { |
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return $this->sanitize_rich_text($input[$field], $max_len); |
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} |
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return is_string($existing) && $existing !== '' ? $existing : null; |
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} |
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|
| 328 |
private function sanitize_url($raw, int $max_len): ?string { |
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if (!is_string($raw) || $raw === '') { |
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return null; |
| 331 |
} |
| 332 |
$url = esc_url_raw(trim($raw)); |
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if ($url === '') { |
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return null; |
| 335 |
} |
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return $this->trim_to($url, $max_len); |
| 337 |
} |
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|
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private function sanitize_rich_text($raw, int $max_len): ?string { |
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if (!is_string($raw) || $raw === '') { |
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return null; |
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} |
| 343 |
$clean = wp_kses_post($raw); |
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return $this->trim_to($clean, $max_len); |
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} |
| 346 |
|
| 347 |
private function sanitize_css($raw, int $max_len): ?string { |
| 348 |
if (!is_string($raw) || $raw === '') { |
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return null; |
| 350 |
} |
| 351 |
// wp_strip_all_tags + length cap is enough — actual CSS-in-email |
| 352 |
// safety is an email-client problem we can't solve server-side. |
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$clean = wp_strip_all_tags($raw); |
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return $this->trim_to($clean, $max_len); |
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} |
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|
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/** |
| 358 |
* @param mixed $raw |
| 359 |
* @return string[] |
| 360 |
*/ |
| 361 |
private function sanitize_section_keys($raw): array { |
| 362 |
if (!is_array($raw)) { |
| 363 |
return []; |
| 364 |
} |
| 365 |
$allowed = function_exists('thinkrank_get_email_report_default_sections') |
| 366 |
? array_keys(thinkrank_get_email_report_default_sections()) |
| 367 |
: []; |
| 368 |
$allowed = array_unique(array_merge( |
| 369 |
$allowed, |
| 370 |
(array) apply_filters('thinkrank_email_report_section_keys', []) |
| 371 |
)); |
| 372 |
$clean = []; |
| 373 |
foreach ($raw as $key) { |
| 374 |
if (!is_string($key)) { |
| 375 |
continue; |
| 376 |
} |
| 377 |
$key = sanitize_key($key); |
| 378 |
if (in_array($key, $allowed, true)) { |
| 379 |
$clean[] = $key; |
| 380 |
} |
| 381 |
} |
| 382 |
return array_values(array_unique($clean)); |
| 383 |
} |
| 384 |
|
| 385 |
private function trim_to(string $value, int $max_len): string { |
| 386 |
if (function_exists('mb_substr')) { |
| 387 |
return mb_substr($value, 0, $max_len); |
| 388 |
} |
| 389 |
return substr($value, 0, $max_len); |
| 390 |
} |
| 391 |
} |
| 392 |
|
