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<?php |
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|
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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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/* Static functions that can be used from anywhere. */ |
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class ABJ_404_Solution_Functions { |
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|
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/** @var self|null */ |
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private static $instance = null; |
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/** |
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* Test seam: install or clear the cached singleton instance without |
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* private-field reflection. Pass null to reset between tests; pass a |
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* configured instance (or double) to install it. Mirrors the setInstance() |
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* contract on DataAccess / PluginLogic (M105 singleton-reset seam). |
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* |
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* @param self|null $instance |
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* @return void |
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*/ |
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public static function setInstance($instance) { |
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self::$instance = $instance; |
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} |
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|
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|
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/** @var ABJ_404_Solution_Logging|null */ |
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protected $injectedLogging = null; |
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|
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/** @var ABJ_404_Solution_RequestContext|null */ |
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protected $injectedRequestContext = null; |
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|
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/** @var ABJ_404_Solution_MbStringAdapter */ |
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protected $mbAdapter; |
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|
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/** @var ABJ_404_Solution_RegexHelper */ |
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protected $regexHelper; |
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|
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/** |
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* Collaborators are passed in by the DI container's 'functions' factory |
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* (see bootstrap.php). Nulls are tolerated for early-boot and direct |
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* test instantiation; logging() and requestContext() lazy-resolve in |
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* that case as a singular bootstrap-only fallback. The mbstring |
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* adapter and regex helper default to the platform-appropriate |
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* implementation so tests and early-boot callers do not have to wire |
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* them up explicitly. |
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* |
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* @param ABJ_404_Solution_Logging|null $logging |
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* @param ABJ_404_Solution_RequestContext|null $requestContext |
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* @param ABJ_404_Solution_MbStringAdapter|null $mbAdapter |
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* @param ABJ_404_Solution_RegexHelper|null $regexHelper |
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*/ |
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public function __construct($logging = null, $requestContext = null, $mbAdapter = null, $regexHelper = null) { |
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$this->injectedLogging = $logging; |
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$this->injectedRequestContext = $requestContext; |
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$this->mbAdapter = $mbAdapter !== null |
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? $mbAdapter |
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: (extension_loaded('mbstring') |
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? ABJ_404_Solution_MbStringAdapterMb::getInstance() |
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: ABJ_404_Solution_MbStringAdapterPreg::getInstance()); |
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$this->regexHelper = $regexHelper !== null |
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? $regexHelper |
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: (extension_loaded('mbstring') |
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? ABJ_404_Solution_RegexHelperMb::getInstance() |
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: ABJ_404_Solution_RegexHelperPreg::getInstance()); |
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} |
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|
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/** @return self */ |
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public static function getInstance() { |
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if (self::$instance !== null) { |
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return self::$instance; |
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} |
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|
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// If the DI container is initialized, prefer it. |
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if (class_exists('ABJ_404_Solution_ServiceContainer')) { |
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$service = ABJ_404_Solution_ServiceContainer::safeGet('functions'); |
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if ($service instanceof self) { |
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self::$instance = $service; |
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return self::$instance; |
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} |
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} |
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|
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self::$instance = new self(); |
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return self::$instance; |
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} |
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|
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/** |
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* Returns the polymorphic mbstring/preg adapter. Useful for callers |
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* that only need the string primitives and want to depend on a smaller |
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* interface than ABJ_404_Solution_Functions. |
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* |
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* @return ABJ_404_Solution_MbStringAdapter |
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*/ |
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public function getMbStringAdapter() { |
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return $this->mbAdapter; |
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} |
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|
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/** |
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* Returns the polymorphic regex helper. Useful for callers that only |
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* need the regex primitives and want to depend on a smaller interface |
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* than ABJ_404_Solution_Functions. |
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* |
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* @return ABJ_404_Solution_RegexHelper |
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*/ |
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public function getRegexHelper() { |
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return $this->regexHelper; |
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} |
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|
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/** |
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* Returns the injected Logging service, falling back to the locator |
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* when constructed outside the DI container (early boot / tests). |
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* Production paths go through DI via the bootstrap factory. |
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* |
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* @return ABJ_404_Solution_Logging |
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*/ |
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protected function logging() { |
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if ($this->injectedLogging !== null) { |
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return $this->injectedLogging; |
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} |
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return abj_service('logging'); |
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} |
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|
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/** |
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* Returns the injected RequestContext, falling back to the locator |
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* when constructed outside the DI container (early boot / tests). |
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* |
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* @return ABJ_404_Solution_RequestContext |
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*/ |
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protected function requestContext() { |
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if ($this->injectedRequestContext !== null) { |
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return $this->injectedRequestContext; |
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} |
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return abj_service('request_context'); |
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} |
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|
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/** Uses explode() to return an array. |
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* @param string $string |
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* @return array<int, string> |
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*/ |
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function explodeNewline(string $string): array { |
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$normalized = str_replace("\r\n", "\n", $string); |
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$normalized = str_replace('\n', "\n", $normalized); |
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$result = array_filter(explode("\n", $this->strtolower($normalized)), |
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array($this, 'removeEmptyCustom')); |
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|
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return $result; |
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} |
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|
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/** |
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* Like {@see explodeNewline()} but tolerates comma-separated input. |
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* Use for textarea-backed settings whose values are slug-like tokens |
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* (post type names, taxonomy slugs) that cannot legitimately contain |
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* commas. A site owner who types "post,page,product" instead of one |
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* per line should not silently break the suggestion engine (i321). |
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* |
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* Do NOT use for free-form values where commas are valid content |
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* (User-Agent strings, regex patterns, paths). Those callers must |
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* keep {@see explodeNewline()}. |
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* |
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* @param string $string |
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* @return array<int, string> |
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*/ |
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function explodeNewlineOrComma(string $string): array { |
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$normalized = str_replace("\r\n", "\n", $string); |
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$normalized = str_replace('\n', "\n", $normalized); |
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$normalized = str_replace(',', "\n", $normalized); |
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$result = array_filter( |
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array_map('trim', explode("\n", $this->strtolower($normalized))), |
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array($this, 'removeEmptyCustom') |
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); |
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return $result; |
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} |
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|
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/** |
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* @param string|array<int, string> $needle |
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* @param string|array<int, mixed>|null $replacement |
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* @param string $haystack |
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* @return string |
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*/ |
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function str_replace($needle, $replacement, string $haystack): string { |
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if ($replacement === null) { |
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$replacement = ''; |
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} |
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/** @var string $result */ |
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$result = str_replace($needle, $replacement, $haystack); |
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return $result; |
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} |
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|
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/** |
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* @param string $needle |
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* @param string $replacement |
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* @param string $haystack |
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* @return string |
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*/ |
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function single_str_replace(string $needle, string $replacement, string $haystack): string { |
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if ($haystack == "" || $this->strlen($haystack) == 0) { |
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return ""; |
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|
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} else if ($needle === '' || $this->strpos($haystack, $needle) === false) { |
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return $haystack; |
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} |
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|
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$splitResult = explode($needle, $haystack); |
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$implodeResult = implode($replacement, $splitResult); |
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|
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return $implodeResult; |
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} |
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|
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/** Hash the last octet of an IP address. |
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* @param string $ip |
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* @return string |
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*/ |
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function md5lastOctet($ip) { |
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if (trim($ip) == "") { |
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return $ip; |
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} |
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$partsToStrip = 1; |
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$separatorChar = "."; |
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|
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// split into parts |
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$parts = explode(".", $ip); |
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if (count($parts) == 1) { |
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$parts = explode(":", $ip); |
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// if exploding on : worked then assume we have an IPv6. |
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if (count($parts) > 1) { |
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$partsToStrip = max(count($parts) - 3, 1); |
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$separatorChar = ":"; |
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} |
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} |
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$firstPart = implode($separatorChar, array_slice($parts, 0, count($parts) - $partsToStrip)); |
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$partToHash = $parts[count($parts) - $partsToStrip]; |
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$lastPart = $separatorChar . substr(base_convert(md5($partToHash), 16,32), 0, 12); |
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|
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return $firstPart . $lastPart; |
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} |
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|
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// ========================================================================= |
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// mbstring / preg primitives - delegated to ABJ_404_Solution_MbStringAdapter |
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// ========================================================================= |
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|
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/** @return int */ |
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function ord(string $char): int { |
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return $this->mbAdapter->ord($char); |
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} |
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|
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/** @return string */ |
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function strtolower(string $string): string { |
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return $this->mbAdapter->strtolower($string); |
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} |
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|
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/** @return int */ |
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function strlen(string $string): int { |
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return $this->mbAdapter->strlen($string); |
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} |
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|
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/** @return int|false */ |
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function strpos(string $haystack, string $needle, int $offset = 0) { |
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return $this->mbAdapter->strpos($haystack, $needle, $offset); |
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} |
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|
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/** @return string */ |
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function substr(?string $str, int $start, ?int $length = null): string { |
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return $this->mbAdapter->substr($str, $start, $length); |
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} |
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|
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/** |
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* @param string|null $string |
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* @return string |
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*/ |
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function sanitizeInvalidUTF8(?string $string): string { |
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return $this->mbAdapter->sanitizeInvalidUTF8($string); |
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} |
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|
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// ========================================================================= |
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// Regex primitives - delegated to ABJ_404_Solution_RegexHelper |
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// ========================================================================= |
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|
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/** |
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* @param string $pattern |
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* @param string $string |
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* @param array<int, string>|null $regs |
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* @return bool|int |
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*/ |
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function regexMatch(string $pattern, string $string, ?array &$regs = null) { |
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return $this->regexHelper->regexMatch($pattern, $string, $regs); |
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} |
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|
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/** |
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* @param string $pattern |
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* @param string $string |
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* @param array<int, string>|null $regs |
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* @return bool|int |
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*/ |
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function regexMatchi(string $pattern, string $string, ?array &$regs = null) { |
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return $this->regexHelper->regexMatchi($pattern, $string, $regs); |
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} |
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|
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/** |
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* @param string $pattern |
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* @param string $replacement |
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* @param string $string |
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* @return string|null |
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*/ |
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function regexReplace($pattern, $replacement, $string) { |
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return $this->regexHelper->regexReplace($pattern, $replacement, $string); |
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} |
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|
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/** Used with array_filter() |
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* @param string $value |
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* @return boolean |
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*/ |
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function removeEmptyCustom($value) { |
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if ($value == null) { |
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return false; |
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} |
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return trim($value) !== ''; |
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} |
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|
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/** |
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* @return float|string |
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*/ |
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function getExecutionTime() { |
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$startTime = $this->requestContext()->process_start_time; |
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if ($startTime !== null) { |
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$elapsedTime = abj_clock()->nowFloat() - $startTime; |
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|
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return $elapsedTime; |
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} |
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|
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return ''; |
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} |
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|
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/** Replace constants and translations. |
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* @param string $text |
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* @return string |
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*/ |
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function doNormalReplacements($text) { |
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global $wpdb; |
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|
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// known strings that do not exist in the translation file. |
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$knownReplacements = array( |
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'{ABJ404_STATUS_AUTO}' => ABJ404_STATUS_AUTO, |
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'{ABJ404_STATUS_MANUAL}' => ABJ404_STATUS_MANUAL, |
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'{ABJ404_STATUS_CAPTURED}' => ABJ404_STATUS_CAPTURED, |
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'{ABJ404_STATUS_IGNORED}' => ABJ404_STATUS_IGNORED, |
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'{ABJ404_STATUS_LATER}' => ABJ404_STATUS_LATER, |
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'{ABJ404_STATUS_REGEX}' => ABJ404_STATUS_REGEX, |
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'{ABJ404_TYPE_404_DISPLAYED}' => ABJ404_TYPE_404_DISPLAYED, |
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'{ABJ404_TYPE_POST}' => ABJ404_TYPE_POST, |
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'{ABJ404_TYPE_CAT}' => ABJ404_TYPE_CAT, |
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'{ABJ404_TYPE_TAG}' => ABJ404_TYPE_TAG, |
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'{ABJ404_TYPE_EXTERNAL}' => ABJ404_TYPE_EXTERNAL, |
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'{ABJ404_TYPE_HOME}' => ABJ404_TYPE_HOME, |
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'{ABJ404_HOME_URL}' => ABJ404_HOME_URL, |
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'{PLUGIN_NAME}' => PLUGIN_NAME, |
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'{ABJ404_VERSION}' => ABJ404_VERSION, |
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'{PHP_VERSION}' => phpversion(), |
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'{WP_VERSION}' => get_bloginfo('version'), |
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'{MYSQL_VERSION}' => $wpdb->db_version(), |
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'{ABJ404_MAX_AJAX_DROPDOWN_SIZE}' => ABJ404_MAX_AJAX_DROPDOWN_SIZE, |
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'{WP_MEMORY_LIMIT}' => WP_MEMORY_LIMIT, |
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'{MBSTRING}' => extension_loaded('mbstring') ? 'true' : 'false', |
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); |
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|
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// replace known strings that do not exist in the translation file. |
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$text = $this->str_replace(array_keys($knownReplacements), array_values($knownReplacements), $text); |
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|
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// Find the strings to replace in the content. |
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$re = '/\{(.+?)\}/x'; |
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$stringsToReplace = array(); |
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// TODO does this need to be $f->regexMatch? |
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preg_match_all($re, $text, $stringsToReplace, PREG_PATTERN_ORDER); |
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|
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// Iterate through each string to replace. |
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foreach ($stringsToReplace[1] as $stringToReplace) { |
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$regexSearchString = '{' . $stringToReplace . '}'; |
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// External HTML template placeholders are extracted and checked by |
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// HtmlTemplateTranslationCoverageTest because they do not live in PHP call sites. |
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$translated = function_exists('translate') ? translate($stringToReplace, '404-solution') : $stringToReplace; |
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$text = $this->str_replace($regexSearchString, $translated, $text); |
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} |
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|
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return $text; |
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} |
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|
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|
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/** |
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* @param string $haystack |
| 389 |
* @param string $needle |
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* @return bool |
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*/ |
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function endsWithCaseInsensitive(string $haystack, string $needle): bool { |
| 393 |
$length = $this->strlen($needle); |
| 394 |
if ($this->strlen($haystack) < $length) { |
| 395 |
return false; |
| 396 |
} |
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|
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$lowerNeedle = $this->strtolower($needle); |
| 399 |
$lowerHay = $this->strtolower($haystack); |
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|
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return ($this->substr($lowerHay, -$length) == $lowerNeedle); |
| 402 |
} |
| 403 |
|
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/** |
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* @param string $haystack |
| 406 |
* @param string $needle |
| 407 |
* @return bool |
| 408 |
*/ |
| 409 |
function endsWithCaseSensitive(string $haystack, string $needle): bool { |
| 410 |
$length = $this->strlen($needle); |
| 411 |
if ($this->strlen($haystack) < $length) { |
| 412 |
return false; |
| 413 |
} |
| 414 |
|
| 415 |
return ($this->substr($haystack, -$length) == $needle); |
| 416 |
} |
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|
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} |
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|
