http_header

Create an HTTP header block as a string.

Includes the empty line that ends the header block.

content_type_string

If this form is used, this string is the Content-Type

headers_hash

A Hash of header values. The following header keys are recognized:

type

The Content-Type header. Defaults to âtext/htmlâ

charset

The charset of the body, appended to the Content-Type header.

nph

A boolean value. If true, prepend protocol string and status code, and date; and sets default values for âserverâ and âconnectionâ if not explicitly set.

status

The HTTP status code as a String, returned as the Status header. The values are:

OK

200 OK

PARTIAL_CONTENT

206 Partial Content

MULTIPLE_CHOICES

300 Multiple Choices

MOVED

301 Moved Permanently

REDIRECT

302 Found

NOT_MODIFIED

304 Not Modified

BAD_REQUEST

400 Bad Request

AUTH_REQUIRED

401 Authorization Required

FORBIDDEN

403 Forbidden

NOT_FOUND

404 Not Found

METHOD_NOT_ALLOWED

405 Method Not Allowed

NOT_ACCEPTABLE

406 Not Acceptable

LENGTH_REQUIRED

411 Length Required

PRECONDITION_FAILED

412 Precondition Failed

SERVER_ERROR

500 Internal Server Error

NOT_IMPLEMENTED

501 Method Not Implemented

BAD_GATEWAY

502 Bad Gateway

VARIANT_ALSO_VARIES

506 Variant Also Negotiates

server

The server software, returned as the Server header.

connection

The connection type, returned as the Connection header (for instance, âcloseâ.

length

The length of the content that will be sent, returned as the Content-Length header.

language

The language of the content, returned as the Content-Language header.

expires

The time on which the current content expires, as a Time object, returned as the Expires header.

cookie

A cookie or cookies, returned as one or more Set-Cookie headers. The value can be the literal string of the cookie; a CGI::Cookie object; an Array of literal cookie strings or Cookie objects; or a hash all of whose values are literal cookie strings or Cookie objects.

These cookies are in addition to the cookies held in the @output_cookies field.

Other headers can also be set; they are appended as key: value.

Examples:

http_header
  # Content-Type: text/html

http_header("text/plain")
  # Content-Type: text/plain

http_header("nph"        => true,
            "status"     => "OK",  # == "200 OK"
              # "status"     => "200 GOOD",
            "server"     => ENV['SERVER_SOFTWARE'],
            "connection" => "close",
            "type"       => "text/html",
            "charset"    => "iso-2022-jp",
              # Content-Type: text/html; charset=iso-2022-jp
            "length"     => 103,
            "language"   => "ja",
            "expires"    => Time.now + 30,
            "cookie"     => [cookie1, cookie2],
            "my_header1" => "my_value"
            "my_header2" => "my_value")

This method does not perform charset conversion.

header