| 1 |
<?php |
| 2 |
/** |
| 3 |
* Email Report Config |
| 4 |
* |
| 5 |
* Persistence layer for the per-site Email Reporting settings. Stores a |
| 6 |
* single associative array under the `thinkrank_email_report_config` option |
| 7 |
* — one row per site is enough; we don't shard by user. Values are |
| 8 |
* sanitized at the boundary and capability-clamped via Plan_Config so a |
| 9 |
* free plan never accidentally persists Pro values that don't belong. |
| 10 |
* |
| 11 |
* Pro plugin can extend the saved schema by hooking |
| 12 |
* `thinkrank_email_report_config_schema` (added fields are sanitized |
| 13 |
* if a callback is provided). |
| 14 |
* |
| 15 |
* @package ThinkRank |
| 16 |
* @subpackage SEO |
| 17 |
* @since 1.9.0 |
| 18 |
*/ |
| 19 |
|
| 20 |
declare(strict_types=1); |
| 21 |
|
| 22 |
namespace ThinkRank\SEO; |
| 23 |
|
| 24 |
use ThinkRank\Core\Plan_Config; |
| 25 |
|
| 26 |
if (!defined('ABSPATH')) { |
| 27 |
exit; |
| 28 |
} |
| 29 |
|
| 30 |
/** |
| 31 |
* Email_Report_Config |
| 32 |
* |
| 33 |
* @since 1.9.0 |
| 34 |
*/ |
| 35 |
final class Email_Report_Config { |
| 36 |
|
| 37 |
private const OPTION_KEY = 'thinkrank_email_report_config'; |
| 38 |
|
| 39 |
/** |
| 40 |
* Load defaults helper. Lazy-loads the config defaults file because |
| 41 |
* it lives outside the autoloader path (it's procedural functions). |
| 42 |
*/ |
| 43 |
private function defaults(): array { |
| 44 |
if (!function_exists('thinkrank_get_default_email_report_config')) { |
| 45 |
require_once THINKRANK_PLUGIN_DIR . 'includes/config/email-report-settings-config.php'; |
| 46 |
} |
| 47 |
return thinkrank_get_default_email_report_config(); |
| 48 |
} |
| 49 |
|
| 50 |
/** |
| 51 |
* Read the current config. Always merges over defaults so newly added |
| 52 |
* keys (e.g. after a plugin update) are populated even on existing sites. |
| 53 |
*/ |
| 54 |
public function get(): array { |
| 55 |
$stored = get_option(self::OPTION_KEY, []); |
| 56 |
if (!is_array($stored)) { |
| 57 |
$stored = []; |
| 58 |
} |
| 59 |
return array_merge($this->defaults(), $stored); |
| 60 |
} |
| 61 |
|
| 62 |
/** |
| 63 |
* Save the config. Returns the post-sanitize array that was persisted |
| 64 |
* so callers can echo it back to the client and avoid a second read. |
| 65 |
* |
| 66 |
* Sanitization happens here, not in the REST args layer — the REST |
| 67 |
* layer accepts intent, this layer enforces invariants. That way the |
| 68 |
* cron-driven path (which doesn't go through REST) gets the same guarantees. |
| 69 |
*/ |
| 70 |
public function save(array $input): array { |
| 71 |
$sanitized = $this->sanitize($input); |
| 72 |
|
| 73 |
// Defense-in-depth: re-clamp at save time even though sanitize() also clamps. |
| 74 |
$sanitized['frequency_days'] = Plan_Config::clamp_email_report_frequency((int) $sanitized['frequency_days']); |
| 75 |
$sanitized['recipients'] = Plan_Config::clamp_email_report_recipients($sanitized['recipients']); |
| 76 |
|
| 77 |
$previous = get_option(self::OPTION_KEY, []); |
| 78 |
$previous = is_array($previous) ? $previous : []; |
| 79 |
$frequency_changed = isset($previous['frequency_days']) |
| 80 |
&& (int) $previous['frequency_days'] !== (int) $sanitized['frequency_days']; |
| 81 |
|
| 82 |
// Seed next_scheduled_at on first enable so the UI shows a real |
| 83 |
// "Next report" date immediately. The scheduler still re-seeds on |
| 84 |
// its first tick for any other path that flips enable on. |
| 85 |
// |
| 86 |
// A frequency change also has to move the date: carrying the old |
| 87 |
// timestamp through meant a user switching 30 → 7 days still waited |
| 88 |
// out the original 30-day window before the new cadence took effect. |
| 89 |
if ($sanitized['enabled'] && (empty($sanitized['next_scheduled_at']) || $frequency_changed)) { |
| 90 |
// Anchor off the last send when we have one, so shortening the |
| 91 |
// cadence brings the next report forward instead of adding a |
| 92 |
// fresh full period on top of time already elapsed. |
| 93 |
$anchor = $frequency_changed && !empty($sanitized['last_sent_at']) |
| 94 |
? strtotime((string) $sanitized['last_sent_at']) |
| 95 |
: time(); |
| 96 |
$anchor = $anchor ?: time(); |
| 97 |
|
| 98 |
$next = strtotime('+' . max(1, (int) $sanitized['frequency_days']) . ' days', $anchor); |
| 99 |
|
| 100 |
// Never schedule into the past — a big cadence cut on an old |
| 101 |
// last_sent_at means "due now", which the next tick picks up. |
| 102 |
$sanitized['next_scheduled_at'] = wp_date( |
| 103 |
'Y-m-d H:i:s', |
| 104 |
max($next ?: time(), time()) |
| 105 |
); |
| 106 |
} |
| 107 |
|
| 108 |
update_option(self::OPTION_KEY, $sanitized, false); |
| 109 |
|
| 110 |
/** |
| 111 |
* Fires after Email Report config is saved. |
| 112 |
* |
| 113 |
* Pro plugin uses this to re-validate its own added fields, refresh |
| 114 |
* an audit table, or trigger a re-schedule. |
| 115 |
* |
| 116 |
* @since 1.9.0 |
| 117 |
* |
| 118 |
* @param array $sanitized The persisted config. |
| 119 |
*/ |
| 120 |
do_action('thinkrank_email_report_settings_saved', $sanitized); |
| 121 |
|
| 122 |
return $sanitized; |
| 123 |
} |
| 124 |
|
| 125 |
/** |
| 126 |
* Pure sanitization — no DB writes. Useful for previews and tests. |
| 127 |
* |
| 128 |
* Free vs. Pro behavior: Pro-only fields are accepted into the array |
| 129 |
* even on free, but their values are coerced to defaults if the user |
| 130 |
* isn't allowed to set them. Why keep them at all? So if the user |
| 131 |
* upgrades, their previously-saved values aren't lost. |
| 132 |
*/ |
| 133 |
public function sanitize(array $input): array { |
| 134 |
$defaults = $this->defaults(); |
| 135 |
$caps = Plan_Config::email_report(); |
| 136 |
$limits = function_exists('thinkrank_get_email_report_field_limits') |
| 137 |
? thinkrank_get_email_report_field_limits() |
| 138 |
: []; |
| 139 |
|
| 140 |
// Existing stored values are the baseline — partial updates (e.g. |
| 141 |
// a toggle-only POST or a Pro field added later) merge over the |
| 142 |
// saved config rather than reverting unsupplied keys to defaults. |
| 143 |
$stored = get_option(self::OPTION_KEY, []); |
| 144 |
if (!is_array($stored)) { |
| 145 |
$stored = []; |
| 146 |
} |
| 147 |
$existing = array_merge($defaults, $stored); |
| 148 |
|
| 149 |
$clean = []; |
| 150 |
|
| 151 |
$clean['enabled'] = isset($input['enabled']) |
| 152 |
? !empty($input['enabled']) |
| 153 |
: (bool) $existing['enabled']; |
| 154 |
|
| 155 |
$clean['frequency_days'] = Plan_Config::clamp_email_report_frequency( |
| 156 |
isset($input['frequency_days']) ? (int) $input['frequency_days'] : (int) $existing['frequency_days'] |
| 157 |
); |
| 158 |
|
| 159 |
$clean['recipients'] = Plan_Config::clamp_email_report_recipients( |
| 160 |
$this->normalize_recipients($input['recipients'] ?? $existing['recipients']) |
| 161 |
); |
| 162 |
|
| 163 |
// Subject: free plan always uses the default. Pro: keep existing |
| 164 |
// when input doesn't include the key, accept new when it does. |
| 165 |
// |
| 166 |
// The subject carries variable tags (%site_title%, %date%, %period%), |
| 167 |
// so it is sanitized as a template: sanitize_text_field() reads %date% |
| 168 |
// as percent-encoding and stores "te%" (#521). intro_text/footer_text |
| 169 |
// take the same tags but go through wp_kses_post(), which leaves them |
| 170 |
// alone, and header_background holds a colour rather than a template. |
| 171 |
if (!empty($caps['custom_subject']) && array_key_exists('subject_template', $input)) { |
| 172 |
$subject = Pattern_Resolver::sanitize_template((string) $input['subject_template']); |
| 173 |
if ($subject === '') { |
| 174 |
$subject = (string) $defaults['subject_template']; |
| 175 |
} |
| 176 |
} elseif (!empty($caps['custom_subject'])) { |
| 177 |
$subject = (string) $existing['subject_template']; |
| 178 |
} else { |
| 179 |
$subject = (string) $defaults['subject_template']; |
| 180 |
} |
| 181 |
$clean['subject_template'] = $this->trim_to($subject, $limits['subject_template'] ?? 200); |
| 182 |
|
| 183 |
// Logo URL: free plan stays null. Pro: only overwrite when the key |
| 184 |
// is present in input (so partial updates don't blank the logo). |
| 185 |
$clean['logo_url'] = $this->resolve_optional_url( |
| 186 |
$caps, |
| 187 |
'custom_logo', |
| 188 |
$input, |
| 189 |
'logo_url', |
| 190 |
$existing['logo_url'] ?? null, |
| 191 |
$limits['logo_url'] ?? 2048 |
| 192 |
); |
| 193 |
|
| 194 |
$clean['logo_link'] = $this->resolve_optional_url( |
| 195 |
$caps, |
| 196 |
'logo_link', |
| 197 |
$input, |
| 198 |
'logo_link', |
| 199 |
$existing['logo_link'] ?? null, |
| 200 |
$limits['logo_link'] ?? 2048 |
| 201 |
); |
| 202 |
|
| 203 |
$clean['header_background'] = $this->resolve_optional_text( |
| 204 |
$caps, |
| 205 |
'header_background', |
| 206 |
$input, |
| 207 |
'header_background', |
| 208 |
$existing['header_background'] ?? null, |
| 209 |
$limits['header_background'] ?? 500 |
| 210 |
); |
| 211 |
|
| 212 |
// Free is forced to the default toggle (true) so the dashboard CTA |
| 213 |
// still appears. Pro: prefer input, fall back to existing, then default. |
| 214 |
$clean['link_to_full_report'] = empty($caps['link_to_full_report']) |
| 215 |
? (bool) $defaults['link_to_full_report'] |
| 216 |
: ( |
| 217 |
array_key_exists('link_to_full_report', $input) |
| 218 |
? (bool) $input['link_to_full_report'] |
| 219 |
: (bool) $existing['link_to_full_report'] |
| 220 |
); |
| 221 |
|
| 222 |
$clean['intro_text'] = $this->resolve_optional_rich_text( |
| 223 |
$caps, |
| 224 |
'intro_text', |
| 225 |
$input, |
| 226 |
'intro_text', |
| 227 |
$existing['intro_text'] ?? null, |
| 228 |
$limits['intro_text'] ?? 5000 |
| 229 |
); |
| 230 |
|
| 231 |
$clean['footer_text'] = $this->resolve_optional_rich_text( |
| 232 |
$caps, |
| 233 |
'footer_text', |
| 234 |
$input, |
| 235 |
'footer_text', |
| 236 |
$existing['footer_text'] ?? null, |
| 237 |
$limits['footer_text'] ?? 5000 |
| 238 |
); |
| 239 |
|
| 240 |
$clean['additional_css'] = empty($caps['additional_css']) |
| 241 |
? null |
| 242 |
: ( |
| 243 |
array_key_exists('additional_css', $input) |
| 244 |
? $this->sanitize_css($input['additional_css'], $limits['additional_css'] ?? 20000) |
| 245 |
: ($existing['additional_css'] ?? null) |
| 246 |
); |
| 247 |
|
| 248 |
// Sections: Free is locked to all-on. Pro user submits the list, |
| 249 |
// falling back to existing when the key is missing. |
| 250 |
if (empty($caps['sections_configurable'])) { |
| 251 |
$clean['sections_enabled'] = (array) $defaults['sections_enabled']; |
| 252 |
} elseif (array_key_exists('sections_enabled', $input)) { |
| 253 |
$clean['sections_enabled'] = $this->sanitize_section_keys($input['sections_enabled']); |
| 254 |
} else { |
| 255 |
$clean['sections_enabled'] = (array) $existing['sections_enabled']; |
| 256 |
} |
| 257 |
|
| 258 |
// Schedule timestamps are server-managed — never trust client input. |
| 259 |
$clean['next_scheduled_at'] = $stored['next_scheduled_at'] ?? null; |
| 260 |
$clean['last_sent_at'] = $stored['last_sent_at'] ?? null; |
| 261 |
|
| 262 |
/** |
| 263 |
* Filter the sanitized config before persistence. |
| 264 |
* |
| 265 |
* Pro plugin uses this to sanitize fields it has added via |
| 266 |
* `thinkrank_email_report_config_schema`. The filter receives the |
| 267 |
* raw input alongside the sanitized output so consumers can read |
| 268 |
* pro-only field intent without re-parsing the request. |
| 269 |
* |
| 270 |
* @since 1.9.0 |
| 271 |
* |
| 272 |
* @param array $clean Sanitized config so far. |
| 273 |
* @param array $input Raw input as received. |
| 274 |
*/ |
| 275 |
return apply_filters('thinkrank_email_report_config_sanitized', $clean, $input); |
| 276 |
} |
| 277 |
|
| 278 |
/** |
| 279 |
* Update only the schedule timestamps. Called from the scheduler after |
| 280 |
* a successful send so we don't round-trip the whole sanitize() flow |
| 281 |
* (the rest of the config hasn't changed). |
| 282 |
*/ |
| 283 |
public function update_schedule(?string $last_sent_at, ?string $next_scheduled_at): array { |
| 284 |
$current = $this->get(); |
| 285 |
$current['last_sent_at'] = $last_sent_at; |
| 286 |
$current['next_scheduled_at'] = $next_scheduled_at; |
| 287 |
update_option(self::OPTION_KEY, $current, false); |
| 288 |
return $current; |
| 289 |
} |
| 290 |
|
| 291 |
/** |
| 292 |
* Normalize a recipient input that might arrive as a string |
| 293 |
* ("a@x.com, b@x.com") or as an array. |
| 294 |
* |
| 295 |
* @param mixed $raw |
| 296 |
* @return string[] |
| 297 |
*/ |
| 298 |
private function normalize_recipients($raw): array { |
| 299 |
if (is_string($raw)) { |
| 300 |
$raw = preg_split('/[\s,;]+/', $raw) ?: []; |
| 301 |
} |
| 302 |
if (!is_array($raw)) { |
| 303 |
return []; |
| 304 |
} |
| 305 |
$emails = []; |
| 306 |
foreach ($raw as $candidate) { |
| 307 |
if (!is_string($candidate)) { |
| 308 |
continue; |
| 309 |
} |
| 310 |
$candidate = sanitize_email(trim($candidate)); |
| 311 |
if ($candidate !== '' && is_email($candidate)) { |
| 312 |
$emails[] = strtolower($candidate); |
| 313 |
} |
| 314 |
} |
| 315 |
return array_values(array_unique($emails)); |
| 316 |
} |
| 317 |
|
| 318 |
/** |
| 319 |
* Resolve an optional URL field with partial-update semantics. |
| 320 |
* Free plan: always null. Pro: prefer input, fall back to existing. |
| 321 |
*/ |
| 322 |
private function resolve_optional_url(array $caps, string $cap_key, array $input, string $field, $existing, int $max_len): ?string { |
| 323 |
if (empty($caps[$cap_key])) { |
| 324 |
return null; |
| 325 |
} |
| 326 |
if (array_key_exists($field, $input)) { |
| 327 |
return $this->sanitize_url($input[$field], $max_len); |
| 328 |
} |
| 329 |
return is_string($existing) && $existing !== '' ? $existing : null; |
| 330 |
} |
| 331 |
|
| 332 |
private function resolve_optional_text(array $caps, string $cap_key, array $input, string $field, $existing, int $max_len): ?string { |
| 333 |
if (empty($caps[$cap_key])) { |
| 334 |
return null; |
| 335 |
} |
| 336 |
if (array_key_exists($field, $input)) { |
| 337 |
$raw = $input[$field]; |
| 338 |
return is_string($raw) |
| 339 |
? $this->trim_to(sanitize_text_field($raw), $max_len) |
| 340 |
: null; |
| 341 |
} |
| 342 |
return is_string($existing) && $existing !== '' ? $existing : null; |
| 343 |
} |
| 344 |
|
| 345 |
private function resolve_optional_rich_text(array $caps, string $cap_key, array $input, string $field, $existing, int $max_len): ?string { |
| 346 |
if (empty($caps[$cap_key])) { |
| 347 |
return null; |
| 348 |
} |
| 349 |
if (array_key_exists($field, $input)) { |
| 350 |
return $this->sanitize_rich_text($input[$field], $max_len); |
| 351 |
} |
| 352 |
return is_string($existing) && $existing !== '' ? $existing : null; |
| 353 |
} |
| 354 |
|
| 355 |
private function sanitize_url($raw, int $max_len): ?string { |
| 356 |
if (!is_string($raw) || $raw === '') { |
| 357 |
return null; |
| 358 |
} |
| 359 |
$url = esc_url_raw(trim($raw)); |
| 360 |
if ($url === '') { |
| 361 |
return null; |
| 362 |
} |
| 363 |
return $this->trim_to($url, $max_len); |
| 364 |
} |
| 365 |
|
| 366 |
private function sanitize_rich_text($raw, int $max_len): ?string { |
| 367 |
if (!is_string($raw) || $raw === '') { |
| 368 |
return null; |
| 369 |
} |
| 370 |
$clean = wp_kses_post($raw); |
| 371 |
return $this->trim_to($clean, $max_len); |
| 372 |
} |
| 373 |
|
| 374 |
private function sanitize_css($raw, int $max_len): ?string { |
| 375 |
if (!is_string($raw) || $raw === '') { |
| 376 |
return null; |
| 377 |
} |
| 378 |
// wp_strip_all_tags + length cap is enough — actual CSS-in-email |
| 379 |
// safety is an email-client problem we can't solve server-side. |
| 380 |
$clean = wp_strip_all_tags($raw); |
| 381 |
return $this->trim_to($clean, $max_len); |
| 382 |
} |
| 383 |
|
| 384 |
/** |
| 385 |
* @param mixed $raw |
| 386 |
* @return string[] |
| 387 |
*/ |
| 388 |
private function sanitize_section_keys($raw): array { |
| 389 |
if (!is_array($raw)) { |
| 390 |
return []; |
| 391 |
} |
| 392 |
$allowed = function_exists('thinkrank_get_email_report_default_sections') |
| 393 |
? array_keys(thinkrank_get_email_report_default_sections()) |
| 394 |
: []; |
| 395 |
$allowed = array_unique(array_merge( |
| 396 |
$allowed, |
| 397 |
(array) apply_filters('thinkrank_email_report_section_keys', []) |
| 398 |
)); |
| 399 |
$clean = []; |
| 400 |
foreach ($raw as $key) { |
| 401 |
if (!is_string($key)) { |
| 402 |
continue; |
| 403 |
} |
| 404 |
$key = sanitize_key($key); |
| 405 |
if (in_array($key, $allowed, true)) { |
| 406 |
$clean[] = $key; |
| 407 |
} |
| 408 |
} |
| 409 |
return array_values(array_unique($clean)); |
| 410 |
} |
| 411 |
|
| 412 |
private function trim_to(string $value, int $max_len): string { |
| 413 |
if (function_exists('mb_substr')) { |
| 414 |
return mb_substr($value, 0, $max_len); |
| 415 |
} |
| 416 |
return substr($value, 0, $max_len); |
| 417 |
} |
| 418 |
} |
| 419 |
|
