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/vendor/guzzlehttp/guzzle/src/Message/ -> AbstractMessage.php (source)

   1  <?php
   2  namespace GuzzleHttp\Message;
   3  
   4  use GuzzleHttp\Stream\StreamInterface;
   5  
   6  abstract class AbstractMessage implements MessageInterface
   7  {
   8      /** @var array HTTP header collection */
   9      private $headers = [];
  10  
  11      /** @var array mapping a lowercase header name to its name over the wire */
  12      private $headerNames = [];
  13  
  14      /** @var StreamInterface Message body */
  15      private $body;
  16  
  17      /** @var string HTTP protocol version of the message */
  18      private $protocolVersion = '1.1';
  19  
  20      public function __toString()
  21      {
  22          return static::getStartLineAndHeaders($this)
  23              . "\r\n\r\n" . $this->getBody();
  24      }
  25  
  26      public function getProtocolVersion()
  27      {
  28          return $this->protocolVersion;
  29      }
  30  
  31      public function getBody()
  32      {
  33          return $this->body;
  34      }
  35  
  36      public function setBody(StreamInterface $body = null)
  37      {
  38          if ($body === null) {
  39              // Setting a null body will remove the body of the request
  40              $this->removeHeader('Content-Length');
  41              $this->removeHeader('Transfer-Encoding');
  42          }
  43  
  44          $this->body = $body;
  45      }
  46  
  47      public function addHeader($header, $value)
  48      {
  49          if (is_array($value)) {
  50              $current = array_merge($this->getHeaderAsArray($header), $value);
  51          } else {
  52              $current = $this->getHeaderAsArray($header);
  53              $current[] = (string) $value;
  54          }
  55  
  56          $this->setHeader($header, $current);
  57      }
  58  
  59      public function addHeaders(array $headers)
  60      {
  61          foreach ($headers as $name => $header) {
  62              $this->addHeader($name, $header);
  63          }
  64      }
  65  
  66      public function getHeader($header)
  67      {
  68          $name = strtolower($header);
  69          return isset($this->headers[$name])
  70              ? implode(', ', $this->headers[$name])
  71              : '';
  72      }
  73  
  74      public function getHeaderAsArray($header)
  75      {
  76          $name = strtolower($header);
  77          return isset($this->headers[$name]) ? $this->headers[$name] : [];
  78      }
  79  
  80      public function getHeaders()
  81      {
  82          $headers = [];
  83          foreach ($this->headers as $name => $values) {
  84              $headers[$this->headerNames[$name]] = $values;
  85          }
  86  
  87          return $headers;
  88      }
  89  
  90      public function setHeader($header, $value)
  91      {
  92          $header = trim($header);
  93          $name = strtolower($header);
  94          $this->headerNames[$name] = $header;
  95  
  96          if (is_array($value)) {
  97              foreach ($value as &$v) {
  98                  $v = trim($v);
  99              }
 100              $this->headers[$name] = $value;
 101          } else {
 102              $this->headers[$name] = [trim($value)];
 103          }
 104      }
 105  
 106      public function setHeaders(array $headers)
 107      {
 108          $this->headers = $this->headerNames = [];
 109          foreach ($headers as $key => $value) {
 110              $this->addHeader($key, $value);
 111          }
 112      }
 113  
 114      public function hasHeader($header)
 115      {
 116          return isset($this->headers[strtolower($header)]);
 117      }
 118  
 119      public function removeHeader($header)
 120      {
 121          $name = strtolower($header);
 122          unset($this->headers[$name], $this->headerNames[$name]);
 123      }
 124  
 125      /**
 126       * Parse an array of header values containing ";" separated data into an
 127       * array of associative arrays representing the header key value pair
 128       * data of the header. When a parameter does not contain a value, but just
 129       * contains a key, this function will inject a key with a '' string value.
 130       *
 131       * @param MessageInterface $message That contains the header
 132       * @param string           $header  Header to retrieve from the message
 133       *
 134       * @return array Returns the parsed header values.
 135       */
 136      public static function parseHeader(MessageInterface $message, $header)
 137      {
 138          static $trimmed = "\"'  \n\t\r";
 139          $params = $matches = [];
 140  
 141          foreach (self::normalizeHeader($message, $header) as $val) {
 142              $part = [];
 143              foreach (preg_split('/;(?=([^"]*"[^"]*")*[^"]*$)/', $val) as $kvp) {
 144                  if (preg_match_all('/<[^>]+>|[^=]+/', $kvp, $matches)) {
 145                      $m = $matches[0];
 146                      if (isset($m[1])) {
 147                          $part[trim($m[0], $trimmed)] = trim($m[1], $trimmed);
 148                      } else {
 149                          $part[] = trim($m[0], $trimmed);
 150                      }
 151                  }
 152              }
 153              if ($part) {
 154                  $params[] = $part;
 155              }
 156          }
 157  
 158          return $params;
 159      }
 160  
 161      /**
 162       * Converts an array of header values that may contain comma separated
 163       * headers into an array of headers with no comma separated values.
 164       *
 165       * @param MessageInterface $message That contains the header
 166       * @param string              $header  Header to retrieve from the message
 167       *
 168       * @return array Returns the normalized header field values.
 169       */
 170      public static function normalizeHeader(MessageInterface $message, $header)
 171      {
 172          $h = $message->getHeaderAsArray($header);
 173          for ($i = 0, $total = count($h); $i < $total; $i++) {
 174              if (strpos($h[$i], ',') === false) {
 175                  continue;
 176              }
 177              foreach (preg_split('/,(?=([^"]*"[^"]*")*[^"]*$)/', $h[$i]) as $v) {
 178                  $h[] = trim($v);
 179              }
 180              unset($h[$i]);
 181          }
 182  
 183          return $h;
 184      }
 185  
 186      /**
 187       * Gets the start-line and headers of a message as a string
 188       *
 189       * @param MessageInterface $message
 190       *
 191       * @return string
 192       */
 193      public static function getStartLineAndHeaders(MessageInterface $message)
 194      {
 195          return static::getStartLine($message)
 196              . self::getHeadersAsString($message);
 197      }
 198  
 199      /**
 200       * Gets the headers of a message as a string
 201       *
 202       * @param MessageInterface $message
 203       *
 204       * @return string
 205       */
 206      public static function getHeadersAsString(MessageInterface $message)
 207      {
 208          $result  = '';
 209          foreach ($message->getHeaders() as $name => $values) {
 210              $result .= "\r\n{$name}: " . implode(', ', $values);
 211          }
 212  
 213          return $result;
 214      }
 215  
 216      /**
 217       * Gets the start line of a message
 218       *
 219       * @param MessageInterface $message
 220       *
 221       * @return string
 222       * @throws \InvalidArgumentException
 223       */
 224      public static function getStartLine(MessageInterface $message)
 225      {
 226          if ($message instanceof RequestInterface) {
 227              return trim($message->getMethod() . ' '
 228                  . $message->getResource())
 229                  . ' HTTP/' . $message->getProtocolVersion();
 230          } elseif ($message instanceof ResponseInterface) {
 231              return 'HTTP/' . $message->getProtocolVersion() . ' '
 232                  . $message->getStatusCode() . ' '
 233                  . $message->getReasonPhrase();
 234          } else {
 235              throw new \InvalidArgumentException('Unknown message type');
 236          }
 237      }
 238  
 239      /**
 240       * Accepts and modifies the options provided to the message in the
 241       * constructor.
 242       *
 243       * Can be overridden in subclasses as necessary.
 244       *
 245       * @param array $options Options array passed by reference.
 246       */
 247      protected function handleOptions(array &$options)
 248      {
 249          if (isset($options['protocol_version'])) {
 250              $this->protocolVersion = $options['protocol_version'];
 251          }
 252      }
 253  }


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