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   1  <?php
   2  namespace GuzzleHttp;
   3  
   4  use GuzzleHttp\Exception\InvalidArgumentException;
   5  use Psr\Http\Message\UriInterface;
   6  use Symfony\Polyfill\Intl\Idn\Idn;
   7  
   8  final class Utils
   9  {
  10      /**
  11       * Wrapper for the hrtime() or microtime() functions
  12       * (depending on the PHP version, one of the two is used)
  13       *
  14       * @return float|mixed UNIX timestamp
  15       *
  16       * @internal
  17       */
  18      public static function currentTime()
  19      {
  20          return function_exists('hrtime') ? hrtime(true) / 1e9 : microtime(true);
  21      }
  22  
  23      /**
  24       * @param int $options
  25       *
  26       * @return UriInterface
  27       * @throws InvalidArgumentException
  28       *
  29       * @internal
  30       */
  31      public static function idnUriConvert(UriInterface $uri, $options = 0)
  32      {
  33          if ($uri->getHost()) {
  34              $asciiHost = self::idnToAsci($uri->getHost(), $options, $info);
  35              if ($asciiHost === false) {
  36                  $errorBitSet = isset($info['errors']) ? $info['errors'] : 0;
  37  
  38                  $errorConstants = array_filter(array_keys(get_defined_constants()), function ($name) {
  39                      return substr($name, 0, 11) === 'IDNA_ERROR_';
  40                  });
  41  
  42                  $errors = [];
  43                  foreach ($errorConstants as $errorConstant) {
  44                      if ($errorBitSet & constant($errorConstant)) {
  45                          $errors[] = $errorConstant;
  46                      }
  47                  }
  48  
  49                  $errorMessage = 'IDN conversion failed';
  50                  if ($errors) {
  51                      $errorMessage .= ' (errors: ' . implode(', ', $errors) . ')';
  52                  }
  53  
  54                  throw new InvalidArgumentException($errorMessage);
  55              } else {
  56                  if ($uri->getHost() !== $asciiHost) {
  57                      // Replace URI only if the ASCII version is different
  58                      $uri = $uri->withHost($asciiHost);
  59                  }
  60              }
  61          }
  62  
  63          return $uri;
  64      }
  65  
  66      /**
  67       * @param string $domain
  68       * @param int    $options
  69       * @param array  $info
  70       *
  71       * @return string|false
  72       */
  73      private static function idnToAsci($domain, $options, &$info = [])
  74      {
  75          if (\preg_match('%^[ -~]+$%', $domain) === 1) {
  76              return $domain;
  77          }
  78  
  79          if (\extension_loaded('intl') && defined('INTL_IDNA_VARIANT_UTS46')) {
  80              return \idn_to_ascii($domain, $options, INTL_IDNA_VARIANT_UTS46, $info);
  81          }
  82  
  83          /*
  84           * The Idn class is marked as @internal. Verify that class and method exists.
  85           */
  86          if (method_exists(Idn::class, 'idn_to_ascii')) {
  87              return Idn::idn_to_ascii($domain, $options, Idn::INTL_IDNA_VARIANT_UTS46, $info);
  88          }
  89  
  90          throw new \RuntimeException('ext-intl or symfony/polyfill-intl-idn not loaded or too old');
  91      }
  92  }