Mojo::Headers - Headers

  use Mojo::Headers;

  my $headers = Mojo::Headers->new;
  $headers->content_type('text/plain');
  $headers->parse("Content-Type: text/html\n\n");

Mojo::Headers is a container and parser for HTTP headers.

Mojo::Headers implements the following attributes.

  my $size = $headers->max_line_size;
  $headers = $headers->max_line_size(1024);

Maximum line size in bytes, defaults to 10240. Note that this attribute is EXPERIMENTAL and might change without warning!

Mojo::Headers inherits all methods from Mojo::Base and implements the following new ones.

  my $accept_language = $headers->accept_language;
  $headers            = $headers->accept_language('de, en');

Shortcut for the Accept-Language header.

  my $ranges = $headers->accept_ranges;
  $headers   = $headers->accept_ranges('bytes');

Shortcut for the Accept-Ranges header.

  $headers = $headers->add('Content-Type', 'text/plain');

Add one or more header lines.

  my $authorization = $headers->authorization;
  $headers          = $headers->authorization('Basic Zm9vOmJhcg==');

Shortcut for the Authorization header.

  my $connection = $headers->connection;
  $headers       = $headers->connection('close');

Shortcut for the Connection header.

  my $content_disposition = $headers->content_disposition;
  $headers                = $headers->content_disposition('foo');

Shortcut for the Content-Disposition header.

  my $content_length = $headers->content_length;
  $headers           = $headers->content_length(4000);

Shortcut for the Content-Length header.

  my $range = $headers->content_range;
  $headers  = $headers->content_range('bytes 2-8/100');

Shortcut for the Content-Range header.

  my $encoding = $headers->content_transfer_encoding;
  $headers     = $headers->content_transfer_encoding('foo');

Shortcut for the Content-Transfer-Encoding header.

  my $content_type = $headers->content_type;
  $headers         = $headers->content_type('text/plain');

Shortcut for the Content-Type header.

  my $cookie = $headers->cookie;
  $headers   = $headers->cookie('$Version=1; f=b; $Path=/');

Shortcut for the Cookie header.

  my $date = $headers->date;
  $headers = $headers->date('Sun, 17 Aug 2008 16:27:35 GMT');

Shortcut for the Date header.

  my $dnt  = $headers->dnt;
  $headers = $headers->dnt(1);

Shortcut for the DNT (Do Not Track) header. Note that this method is EXPERIMENTAL and might change without warning!

  my $expect = $headers->expect;
  $headers   = $headers->expect('100-continue');

Shortcut for the Expect header.

  $headers = $headers->from_hash({'Content-Type' => 'text/html'});

Parse headers from a hash.

  my $string = $headers->header('Content-Type');
  my @lines  = $headers->header('Content-Type');
  $headers   = $headers->header('Content-Type' => 'text/plain');

Get or replace the current header values. Note that this method is context sensitive and will turn all header lines into a single one in scalar context.

  # Multiple headers with the same name
  for my $header ($headers->header('Set-Cookie')) {
    print "Set-Cookie:\n";

    # Each header contains an array of lines
    for my line (@$header) {
      print "line\n";
    }
  }

  my $host = $headers->host;
  $headers = $headers->host('127.0.0.1');

Shortcut for the Host header.

  my $m    = $headers->if_modified_since;
  $headers = $headers->if_modified_since('Sun, 17 Aug 2008 16:27:35 GMT');

Shortcut for the If-Modified-Since header.

  my $done = $headers->is_done;

Check if header parser is done.

  my $limit = $headers->is_limit_exceeded;

Check if a header has exceeded max_line_size. Note that this method is EXPERIMENTAL and might change without warning!

  my $m    = $headers->last_modified;
  $headers = $headers->last_modified('Sun, 17 Aug 2008 16:27:35 GMT');

Shortcut for the Last-Modified header.

  my $leftovers = $headers->leftovers;

Leftovers.

  my $location = $headers->location;
  $headers     = $headers->location('http://127.0.0.1/foo');

Shortcut for the Location header.

  my $names = $headers->names;

Generate a list of all currently defined headers.

  $headers = $headers->parse("Content-Type: text/foo\n\n");

Parse formatted headers.

  my $authenticate = $headers->proxy_authenticate;
  $headers         = $headers->proxy_authenticate('Basic "realm"');

Shortcut for the Proxy-Authenticate header.

  my $proxy_authorization = $headers->proxy_authorization;
  $headers = $headers->proxy_authorization('Basic Zm9vOmJhcg==');

Shortcut for the Proxy-Authorization header.

  my $range = $headers->range;
  $headers  = $headers->range('bytes=2-8');

Shortcut for the Range header.

  my $referrer = $headers->referrer;
  $headers     = $headers->referrer('http://mojolicio.us');

Shortcut for the Referer header, there was a typo in RFC 2068 which resulted in Referer becoming an official header.

  $headers = $headers->remove('Content-Type');

Remove a header.

  my $accept = $headers->sec_websocket_accept;
  $headers   = $headers->sec_websocket_accept('s3pPLMBiTxaQ9kYGzzhZRbK+xOo=');

Shortcut for the Sec-WebSocket-Accept header.

  my $key  = $headers->sec_websocket_key;
  $headers = $headers->sec_websocket_key('dGhlIHNhbXBsZSBub25jZQ==');

Shortcut for the Sec-WebSocket-Key header.

  my $origin = $headers->sec_websocket_origin;
  $headers   = $headers->sec_websocket_origin('http://example.com');

Shortcut for the Sec-WebSocket-Origin header.

  my $protocol = $headers->sec_websocket_protocol;
  $headers     = $headers->sec_websocket_protocol('sample');

Shortcut for the Sec-WebSocket-Protocol header.

  my $version = $headers->sec_websocket_version;
  $headers    = $headers->sec_websocket_version(8);

Shortcut for the Sec-WebSocket-Version header.

  my $server = $headers->server;
  $headers   = $headers->server('Mojo');

Shortcut for the Server header.

  my $set_cookie = $headers->set_cookie;
  $headers       = $headers->set_cookie('f=b; Version=1; Path=/');

Shortcut for the Set-Cookie header.

  my $set_cookie2 = $headers->set_cookie2;
  $headers        = $headers->set_cookie2('f=b; Version=1; Path=/');

Shortcut for the Set-Cookie2 header.

  my $status = $headers->status;
  $headers   = $headers->status('200 OK');

Shortcut for the Status header.

  my $hash = $headers->to_hash;
  my $hash = $headers->to_hash(arrayref => 1);

Format headers as a hash. Nested arrayrefs to represent multi line values are optional.

  my $string = $headers->to_string;

Format headers suitable for HTTP 1.1 messages.

  my $trailer = $headers->trailer;
  $headers    = $headers->trailer('X-Foo');

Shortcut for the Trailer header.

  my $transfer_encoding = $headers->transfer_encoding;
  $headers              = $headers->transfer_encoding('chunked');

Shortcut for the Transfer-Encoding header.

  my $upgrade = $headers->upgrade;
  $headers    = $headers->upgrade('WebSocket');

Shortcut for the Upgrade header.

  my $user_agent = $headers->user_agent;
  $headers       = $headers->user_agent('Mojo/1.0');

Shortcut for the User-Agent header.

  my $authenticate = $headers->www_authenticate;
  $headers         = $headers->www_authenticate('Basic "realm"');

Shortcut for the WWW-Authenticate header.

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