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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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/** |
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* URL normalization and multilingual redirect translation helpers. |
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* Standalone class extracted from PluginLogicTrait_UrlNormalization. |
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*/ |
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class ABJ_404_Solution_PluginLogicUrlNormalization { |
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|
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/** @var ABJ_404_Solution_Functions */ |
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private $f; |
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|
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/** @var string */ |
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private $urlHomeDirectory; |
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|
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/** @var int */ |
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private $urlHomeDirectoryLength; |
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|
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/** |
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* @param ABJ_404_Solution_Functions $f |
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* @param string $urlHomeDirectory |
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* @param int $urlHomeDirectoryLength |
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*/ |
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function __construct($f, $urlHomeDirectory, $urlHomeDirectoryLength) { |
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$this->f = $f; |
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$this->urlHomeDirectory = $urlHomeDirectory; |
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$this->urlHomeDirectoryLength = $urlHomeDirectoryLength; |
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} |
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|
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/** If a page's URL is /blogName/pageName then this returns /pageName. |
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* @param string|null $urlRequest |
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* @return string |
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*/ |
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function removeHomeDirectory($urlRequest): string { |
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if ($urlRequest === null) { |
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return ''; |
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} |
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$f = $this->f; |
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$urlHomeDirectory = $this->urlHomeDirectory; |
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$homeLen = $this->urlHomeDirectoryLength; |
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|
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if ($homeLen === 0) { |
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return $urlRequest; |
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} |
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|
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if ($this->f->substr($urlRequest, 0, $homeLen) == $urlHomeDirectory) { |
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$nextChar = $this->f->substr($urlRequest, $homeLen, 1); |
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if ($nextChar === '/' || $nextChar === '?' || $nextChar === '#' || $nextChar === '') { |
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if ($nextChar === '/' || $nextChar === '') { |
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$urlRequest = $this->f->substr($urlRequest, ($homeLen + 1)); |
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} else { |
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$urlRequest = '/' . $this->f->substr($urlRequest, $homeLen); |
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} |
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} |
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} |
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|
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return $urlRequest; |
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} |
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|
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/** |
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* Normalize URL to relative path by removing WordPress subdirectory. |
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* |
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* @param string|null $url Full URL or path |
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* @return string Relative path without subdirectory |
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*/ |
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function normalizeToRelativePath($url): string { |
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if ($url === '') { |
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return '/'; |
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} |
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|
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if ($url === null) { |
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return '/'; |
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} |
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$url = trim($url); |
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|
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if (preg_match('#^https?://#i', $url)) { |
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$parsed = parse_url($url); |
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if ($parsed === false || !isset($parsed['path'])) { |
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return '/'; |
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} |
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$url = $parsed['path']; |
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if (!empty($parsed['query'])) { |
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$url .= '?' . $parsed['query']; |
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} |
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if (!empty($parsed['fragment'])) { |
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$url .= '#' . $parsed['fragment']; |
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} |
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} |
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|
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if (strpos($url, '//') === 0) { |
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$parsed = parse_url('http:' . $url); |
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if ($parsed !== false && isset($parsed['path'])) { |
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$url = $parsed['path']; |
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if (!empty($parsed['query'])) { |
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$url .= '?' . $parsed['query']; |
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} |
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if (!empty($parsed['fragment'])) { |
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$url .= '#' . $parsed['fragment']; |
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} |
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} else { |
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return '/'; |
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} |
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} |
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|
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$relativePath = $this->removeHomeDirectory($url); |
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|
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if ($relativePath === '') { |
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return '/'; |
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} |
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|
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$relativePathCleaned = preg_replace('#/+#', '/', $relativePath); |
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$relativePath = is_string($relativePathCleaned) ? $relativePathCleaned : $relativePath; |
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|
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$relativePath = '/' . ltrim($relativePath, '/'); |
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|
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return $relativePath; |
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} |
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|
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/** |
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* Normalize a user-provided path for storage/matching. |
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* |
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* @param string|null $url |
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* @return string |
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*/ |
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function normalizeUserProvidedPath($url) { |
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$url = $this->f->normalizeUrlString($url); |
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if ($url === '') { |
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return ''; |
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} |
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|
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return $this->normalizeToRelativePath($url); |
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} |
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|
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/** |
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* Normalize an external destination URL for storage. |
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* |
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* @param string|null $url |
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* @return string |
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*/ |
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function normalizeExternalDestinationUrl($url) { |
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return $this->f->normalizeUrlString($url); |
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} |
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|
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/** |
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* Generate normalized lookup variants for URL matching. |
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* |
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* @param string|null $url |
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* @return array<int, string> |
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*/ |
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function getNormalizedUrlCandidates($url) { |
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$decoded = $this->normalizeUserProvidedPath($url); |
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if ($decoded === '') { |
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return array(); |
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} |
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|
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$candidates = array($decoded); |
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|
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$lower = function_exists('mb_strtolower') ? mb_strtolower($decoded, 'UTF-8') : strtolower($decoded); |
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if ($lower !== $decoded) { |
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$candidates[] = $lower; |
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} |
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|
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$encoded = $this->normalizeToRelativePath($this->f->encodeUrlForLegacyMatch($decoded)); |
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if ($encoded !== $decoded) { |
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$candidates[] = $encoded; |
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} |
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|
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return array_values(array_unique($candidates)); |
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} |
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|
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/** |
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* Translate a redirect destination URL to the current language when possible. |
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* |
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* @param string $location Full URL or path to redirect to. |
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* @param string $requestedURL Original requested path/URL that triggered the 404. |
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* @return string URL to use for redirect. |
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*/ |
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function maybeTranslateRedirectUrl($location, $requestedURL = '') { |
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if (!is_string($location) || $location === '') { |
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return $location; |
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} |
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|
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$translated = $this->translatePressRedirectUrl($location, $requestedURL); |
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if ($translated !== null && $translated !== '') { |
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$location = $translated; |
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} |
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|
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if ($translated === null || $translated === '') { |
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$translated = $this->wpmlRedirectUrl($location, $requestedURL); |
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if ($translated !== null && $translated !== '') { |
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$location = $translated; |
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} |
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} |
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|
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if ($translated === null || $translated === '') { |
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$translated = $this->polylangRedirectUrl($location, $requestedURL); |
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if ($translated !== null && $translated !== '') { |
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$location = $translated; |
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} |
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} |
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|
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return apply_filters('abj404_translate_redirect_url', $location, $requestedURL); |
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} |
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|
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/** @return string|null */ |
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public function translatePressRedirectUrl(string $location, string $requestedURL) { |
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if (!$this->translatePressIntegrationAvailable()) { |
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return null; |
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} |
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|
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if (!$this->isLocalUrl($location)) { |
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return null; |
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} |
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|
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$language = $this->getTranslatePressLanguageFromRequest($requestedURL); |
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if ($language === '') { |
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return null; |
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} |
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|
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$translated = $this->translatePressTranslateUrl($location, $language); |
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if (!is_string($translated) || $translated === '' || $translated === $location) { |
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return null; |
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} |
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|
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if (!$this->isLocalUrl($translated)) { |
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return null; |
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} |
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|
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return $translated; |
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} |
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|
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/** @return bool */ |
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public function translatePressIntegrationAvailable(): bool { |
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return function_exists('trp_get_language_from_url') || |
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function_exists('trp_get_current_language') || |
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function_exists('trp_get_url_for_language') || |
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function_exists('trp_translate_url') || |
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has_filter('trp_translate_url'); |
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} |
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|
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/** @return mixed */ |
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public function translatePressTranslateUrl(string $url, string $language) { |
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if (function_exists('trp_get_url_for_language')) { |
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return trp_get_url_for_language($language, $url); |
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} |
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|
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if (function_exists('trp_translate_url')) { |
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return trp_translate_url($url, $language); |
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} |
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return apply_filters('trp_translate_url', $url, $language); |
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} |
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|
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public function getTranslatePressLanguageFromRequest(string $requestedURL): string { |
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$fullRequestedUrl = $this->buildFullUrlFromRequest($requestedURL); |
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|
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if (function_exists('trp_get_language_from_url')) { |
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$language = trp_get_language_from_url($fullRequestedUrl); |
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if (is_string($language) && $language !== '') { |
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return $language; |
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} |
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} |
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|
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if (function_exists('trp_get_current_language')) { |
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$language = trp_get_current_language(); |
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if (is_string($language) && $language !== '') { |
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return $language; |
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} |
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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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/** @return string|null */ |
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private function wpmlRedirectUrl(string $location, string $requestedURL) { |
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if (!$this->wpmlIntegrationAvailable()) { |
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return null; |
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} |
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|
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if (!$this->isLocalUrl($location)) { |
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return null; |
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} |
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|
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$language = $this->getWpmlLanguageFromRequest($requestedURL); |
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if ($language === '') { |
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return null; |
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} |
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|
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$translated = $this->wpmlTranslateUrl($location, $language); |
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if (!is_string($translated) || $translated === '' || $translated === $location) { |
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return null; |
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} |
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|
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if (!$this->isLocalUrl($translated)) { |
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return null; |
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} |
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|
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return $translated; |
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} |
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|
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private function wpmlIntegrationAvailable(): bool { |
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return function_exists('wpml_current_language') || |
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has_filter('wpml_current_language') || |
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has_filter('wpml_language_from_url') || |
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has_filter('wpml_permalink'); |
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} |
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|
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/** @return mixed */ |
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private function wpmlTranslateUrl(string $url, string $language) { |
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if (has_filter('wpml_permalink')) { |
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return apply_filters('wpml_permalink', $url, $language); |
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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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private function getWpmlLanguageFromRequest(string $requestedURL): string { |
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$fullRequestedUrl = $this->buildFullUrlFromRequest($requestedURL); |
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|
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if (has_filter('wpml_language_from_url')) { |
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$language = apply_filters('wpml_language_from_url', '', $fullRequestedUrl); |
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if (is_string($language) && $language !== '') { |
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return $language; |
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} |
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} |
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|
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if (function_exists('wpml_current_language')) { |
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$language = wpml_current_language(); |
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if (is_string($language) && $language !== '') { |
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return $language; |
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} |
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} |
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|
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if (has_filter('wpml_current_language')) { |
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$language = apply_filters('wpml_current_language', null); |
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if (is_string($language) && $language !== '') { |
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return $language; |
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} |
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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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/** @return string|null */ |
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private function polylangRedirectUrl(string $location, string $requestedURL) { |
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if (!$this->polylangIntegrationAvailable()) { |
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return null; |
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} |
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|
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if (!$this->isLocalUrl($location)) { |
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return null; |
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} |
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|
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$language = $this->getPolylangLanguageFromRequest($requestedURL); |
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if ($language === '') { |
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return null; |
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} |
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|
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$translated = $this->polylangTranslateUrl($location, $language); |
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if (!is_string($translated) || $translated === '' || $translated === $location) { |
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return null; |
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} |
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|
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if (!$this->isLocalUrl($translated)) { |
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return null; |
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} |
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|
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return $translated; |
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} |
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|
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private function polylangIntegrationAvailable(): bool { |
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return function_exists('pll_current_language') || |
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function_exists('pll_translate_url'); |
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} |
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|
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/** @return mixed */ |
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private function polylangTranslateUrl(string $url, string $language) { |
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if (function_exists('pll_translate_url')) { |
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return pll_translate_url($url, $language); |
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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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private function getPolylangLanguageFromRequest(string $requestedURL): string { |
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if (function_exists('pll_current_language')) { |
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$language = pll_current_language(); |
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if (is_string($language) && $language !== '') { |
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return $language; |
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} |
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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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public function buildFullUrlFromRequest(string $requestedURL): string { |
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$path = $requestedURL; |
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if ($path === '') { |
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$userRequest = ABJ_404_Solution_UserRequest::getInstance(); |
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if ($userRequest !== null) { |
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$path = $userRequest->getPathWithSortedQueryString(); |
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} |
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} |
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|
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if ($path === '') { |
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return home_url('/'); |
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} |
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|
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if (preg_match('#^https?://#i', $path)) { |
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return $path; |
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} |
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|
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return home_url($path); |
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} |
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|
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public function isLocalUrl(string $url): bool { |
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if (!is_string($url) || $url === '') { |
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return false; |
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} |
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|
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$parsedUrl = function_exists('wp_parse_url') ? wp_parse_url($url) : parse_url($url); |
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if (!is_array($parsedUrl) || !isset($parsedUrl['host'])) { |
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return true; |
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} |
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|
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$siteUrl = home_url(); |
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$parsedSite = function_exists('wp_parse_url') ? wp_parse_url($siteUrl) : parse_url($siteUrl); |
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$siteHost = is_array($parsedSite) && isset($parsedSite['host']) ? strtolower($parsedSite['host']) : ''; |
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|
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return $siteHost !== '' && strtolower($parsedUrl['host']) === $siteHost; |
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} |
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|
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} |
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|
