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<?php |
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declare(strict_types=1); |
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namespace WebServCo\Framework\Helpers; |
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final class RequestHelper |
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{ |
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/** |
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* @return array<int,string> |
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*/ |
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public static function explode(string $string): array |
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{ |
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if (false !== \strpos($string, '?')) { |
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return \explode('?', $string, 2); |
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} |
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if (false !== \strpos($string, '&')) { |
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return \explode('&', $string, 2); |
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} |
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return [$string, '']; |
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} |
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/** |
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* @return array<string, string|null> |
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*/ |
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public static function format(string $string): array |
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{ |
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$data = []; |
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$parts = self::split($string); |
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$num = \count($parts); |
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for ($position = 0; $position < $num; $position += 2) { |
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$data[$parts[$position]] = $position === $num - 1 |
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? null |
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: |
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$parts[$position + 1]; |
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} |
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return $data; |
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} |
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public static function getRemoteAddress(): string |
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{ |
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if (PhpHelper::isCli()) { |
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return \gethostbyname(\php_uname('n')); |
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} |
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if (\array_key_exists('REMOTE_ADDR', $_SERVER)) { |
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return \WebServCo\Framework\Helpers\RequestHelper::sanitizeString($_SERVER['REMOTE_ADDR']); |
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} |
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return ''; |
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} |
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/** |
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* @param array<int,string> $suffixes |
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* @return array<int,string> |
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*/ |
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public static function parse(string $string, string $path, string $filename, array $suffixes): array |
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{ |
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$pathLen = \strlen($path); |
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if (0 === \strncasecmp($path, $string, $pathLen)) { |
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$string = \substr($string, $pathLen); |
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} |
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$filenameLen = \strlen($filename); |
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if (0 === \strncasecmp($filename, $string, $filenameLen)) { |
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$string = \substr($string, $filenameLen); |
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} |
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[$target, $query] = self::explode($string); |
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[$target, $suffix] = self::removeSuffix( |
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self::transform($target), |
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$suffixes, |
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); |
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$query = self::transform($query); |
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return [$target, $query, $suffix]; |
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} |
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/** |
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* @param array<int,string> $suffixes |
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* @return array<int,string> |
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*/ |
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public static function removeSuffix(string $string, array $suffixes = []): array |
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{ |
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if ($suffixes) { |
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$stringRev = \strrev($string); |
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foreach ($suffixes as $suffix) { |
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$suffixRev = \strrev($suffix); |
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$suffixLen = \strlen($suffix); |
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if (0 === \strncasecmp($suffixRev, $stringRev, $suffixLen)) { |
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return [\strrev(\substr($stringRev, $suffixLen)), $suffix]; |
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} |
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} |
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} |
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return [$string, '']; |
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} |
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public static function sanitizeString(string $string): string |
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{ |
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// Strip tags, optionally strip or encode special characters. |
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$string = \filter_var($string, \FILTER_SANITIZE_STRING); |
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$unwanted = [ |
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"`", |
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//"'", |
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//'"', |
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"\b", |
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"\n", |
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"\r", |
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"\t", |
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//"?", |
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//"!", |
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//"~", |
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//"#", |
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//"^", |
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//"&", |
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//"*", |
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//"=", |
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//"[", |
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//"]", |
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//":", |
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//";", |
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//",", |
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//"|", |
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"\\", |
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//"{", |
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//"}", |
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//"(", |
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//")", |
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"\$", |
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]; |
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$string = \str_replace($unwanted, '', (string) $string); |
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return $string; |
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} |
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/** |
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* @return array<int,string> |
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*/ |
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public static function split(string $string): array |
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{ |
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$parts = \explode('/', $string); |
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$parts = \array_map('urldecode', $parts); |
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return \array_diff($parts, ['']); |
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} |
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public static function transform(string $string): string |
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{ |
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$string = \str_replace(['?', '&', '=', '//'], ['', '/', '/', '/0/'], $string); |
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return \trim($string, ' /'); |
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} |
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} |
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webservco /
framework
