http-types-0.9: Generic HTTP types for Haskell (for both client and server code).

Safe HaskellNone
LanguageHaskell98

Network.HTTP.Types

Contents

Synopsis

Methods

type Method = ByteString Source

HTTP method (flat string type).

methodGet :: Method Source

HTTP Method constants.

methodPost :: Method Source

HTTP Method constants.

methodHead :: Method Source

HTTP Method constants.

methodPut :: Method Source

HTTP Method constants.

methodDelete :: Method Source

HTTP Method constants.

methodTrace :: Method Source

HTTP Method constants.

methodConnect :: Method Source

HTTP Method constants.

methodOptions :: Method Source

HTTP Method constants.

methodPatch :: Method Source

HTTP Method constants.

data StdMethod Source

HTTP standard method (as defined by RFC 2616, and PATCH which is defined by RFC 5789).

Constructors

GET 
POST 
HEAD 
PUT 
DELETE 
TRACE 
CONNECT 
OPTIONS 
PATCH 

parseMethod :: Method -> Either ByteString StdMethod Source

Convert a method ByteString to a StdMethod if possible.

renderMethod :: Either ByteString StdMethod -> Method Source

Convert an algebraic method to a ByteString.

renderStdMethod :: StdMethod -> Method Source

Convert a StdMethod to a ByteString.

Versions

data HttpVersion Source

HTTP Version.

Note that the Show instance is intended merely for debugging.

Constructors

HttpVersion 

Fields

httpMajor :: !Int
 
httpMinor :: !Int
 

Status

data Status Source

HTTP Status.

Only the statusCode is used for comparisons.

Please use mkStatus to create status codes from code and message, or the Enum instance or the status code constants (like ok200). There might be additional record members in the future.

Note that the Show instance is only for debugging.

Constructors

Status 

mkStatus :: Int -> ByteString -> Status Source

Create a Status from status code and message.

status100 :: Status Source

Continue 100

continue100 :: Status Source

Continue 100

status101 :: Status Source

Switching Protocols 101

switchingProtocols101 :: Status Source

Switching Protocols 101

status201 :: Status Source

Created 201

created201 :: Status Source

Created 201

status202 :: Status Source

Accepted 202

accepted202 :: Status Source

Accepted 202

status203 :: Status Source

Non-Authoritative Information 203

nonAuthoritative203 :: Status Source

Non-Authoritative Information 203

status204 :: Status Source

No Content 204

noContent204 :: Status Source

No Content 204

status205 :: Status Source

Reset Content 205

resetContent205 :: Status Source

Reset Content 205

status206 :: Status Source

Partial Content 206

partialContent206 :: Status Source

Partial Content 206

status300 :: Status Source

Multiple Choices 300

multipleChoices300 :: Status Source

Multiple Choices 300

status301 :: Status Source

Moved Permanently 301

movedPermanently301 :: Status Source

Moved Permanently 301

status302 :: Status Source

Found 302

found302 :: Status Source

Found 302

status303 :: Status Source

See Other 303

seeOther303 :: Status Source

See Other 303

status304 :: Status Source

Not Modified 304

notModified304 :: Status Source

Not Modified 304

status305 :: Status Source

Use Proxy 305

useProxy305 :: Status Source

Use Proxy 305

status307 :: Status Source

Temporary Redirect 307

temporaryRedirect307 :: Status Source

Temporary Redirect 307

status400 :: Status Source

Bad Request 400

badRequest400 :: Status Source

Bad Request 400

status401 :: Status Source

Unauthorized 401

unauthorized401 :: Status Source

Unauthorized 401

status402 :: Status Source

Payment Required 402

paymentRequired402 :: Status Source

Payment Required 402

status403 :: Status Source

Forbidden 403

forbidden403 :: Status Source

Forbidden 403

status404 :: Status Source

Not Found 404

notFound404 :: Status Source

Not Found 404

status405 :: Status Source

Method Not Allowed 405

methodNotAllowed405 :: Status Source

Method Not Allowed 405

status406 :: Status Source

Not Acceptable 406

notAcceptable406 :: Status Source

Not Acceptable 406

status407 :: Status Source

Proxy Authentication Required 407

proxyAuthenticationRequired407 :: Status Source

Proxy Authentication Required 407

status408 :: Status Source

Request Timeout 408

requestTimeout408 :: Status Source

Request Timeout 408

status409 :: Status Source

Conflict 409

conflict409 :: Status Source

Conflict 409

gone410 :: Status Source

Gone 410

status411 :: Status Source

Length Required 411

lengthRequired411 :: Status Source

Length Required 411

status412 :: Status Source

Precondition Failed 412

preconditionFailed412 :: Status Source

Precondition Failed 412

status413 :: Status Source

Request Entity Too Large 413

requestEntityTooLarge413 :: Status Source

Request Entity Too Large 413

status414 :: Status Source

Request-URI Too Long 414

requestURITooLong414 :: Status Source

Request-URI Too Long 414

status415 :: Status Source

Unsupported Media Type 415

unsupportedMediaType415 :: Status Source

Unsupported Media Type 415

status416 :: Status Source

Requested Range Not Satisfiable 416

requestedRangeNotSatisfiable416 :: Status Source

Requested Range Not Satisfiable 416

status417 :: Status Source

Expectation Failed 417

expectationFailed417 :: Status Source

Expectation Failed 417

status418 :: Status Source

I'm a teapot 418

imATeaPot418 :: Status Source

I'm a teapot 418

status500 :: Status Source

Internal Server Error 500

internalServerError500 :: Status Source

Internal Server Error 500

status501 :: Status Source

Not Implemented 501

notImplemented501 :: Status Source

Not Implemented 501

status502 :: Status Source

Bad Gateway 502

badGateway502 :: Status Source

Bad Gateway 502

status503 :: Status Source

Service Unavailable 503

serviceUnavailable503 :: Status Source

Service Unavailable 503

status504 :: Status Source

Gateway Timeout 504

gatewayTimeout504 :: Status Source

Gateway Timeout 504

status505 :: Status Source

HTTP Version Not Supported 505

httpVersionNotSupported505 :: Status Source

HTTP Version Not Supported 505

statusIsInformational :: Status -> Bool Source

Informational class

statusIsSuccessful :: Status -> Bool Source

Successful class

statusIsRedirection :: Status -> Bool Source

Redirection class

statusIsClientError :: Status -> Bool Source

Client Error class

statusIsServerError :: Status -> Bool Source

Server Error class

Headers

Types

type HeaderName = CI ByteString Source

Header name

type RequestHeaders = [Header] Source

Request Headers

type ResponseHeaders = [Header] Source

Response Headers

Common headers

Byte ranges

data ByteRange Source

RFC 2616 Byte range (individual).

Negative indices are not allowed!

type ByteRanges = [ByteRange] Source

RFC 2616 Byte ranges (set).

URI

Query string

type Query = [QueryItem] Source

Query.

General form: a=b&c=d, but if the value is Nothing, it becomes a&c=d.

type SimpleQueryItem = (ByteString, ByteString) Source

Simplified Query item type without support for parameter-less items.

type SimpleQuery = [SimpleQueryItem] Source

Simplified Query type without support for parameter-less items.

renderQuery Source

Arguments

:: Bool

prepend question mark?

-> Query 
-> ByteString 

Convert Query to ByteString.

renderQueryBuilder Source

Arguments

:: Bool

prepend a question mark?

-> Query 
-> Builder 

Convert Query to a Builder.

renderSimpleQuery Source

Arguments

:: Bool

prepend question mark?

-> SimpleQuery 
-> ByteString 

Convert SimpleQuery to ByteString.

parseQuery :: ByteString -> Query Source

Split out the query string into a list of keys and values. A few importants points:

  • The result returned is still bytestrings, since we perform no character decoding here. Most likely, you will want to use UTF-8 decoding, but this is left to the user of the library.
  • Percent decoding errors are ignored. In particular, "%Q" will be output as "%Q".

Text query string (UTF8 encoded)

type QueryText = [(Text, Maybe Text)] Source

Like Query, but with Text instead of ByteString (UTF8-encoded).

queryToQueryText :: Query -> QueryText Source

Convert Query to QueryText (leniently decoding the UTF-8).

renderQueryText Source

Arguments

:: Bool

prepend a question mark?

-> QueryText 
-> Builder 

Convert QueryText to a Builder.

Generalized query types

class QueryLike a where Source

Types which can, and commonly are, converted to Query are in this class.

You can use lists of simple key value pairs, with ByteString (strict, or lazy: ByteString), Text, or String as the key/value types. You can also have the value type lifted into a Maybe to support keys without values; and finally it is possible to put each pair into a Maybe for key-value pairs that aren't always present.

Methods

toQuery :: a -> Query Source

Convert to Query.

Instances

Path segments

encodePathSegments :: [Text] -> Builder Source

Encodes a list of path segments into a valid URL fragment.

This function takes the following three steps:

  • UTF-8 encodes the characters.
  • Performs percent encoding on all unreserved characters, as well as :@=+$,
  • Prepends each segment with a slash.

For example:

encodePathSegments [\"foo\", \"bar\", \"baz\"]

"/foo/bar/baz"

encodePathSegments [\"foo bar\", \"baz\/bin\"]

"/foo%20bar/baz%2Fbin"

encodePathSegments [\"שלום\"]

"/%D7%A9%D7%9C%D7%95%D7%9D"

Huge thanks to Jeremy Shaw who created the original implementation of this function in web-routes and did such thorough research to determine all correct escaping procedures.

decodePathSegments :: ByteString -> [Text] Source

Parse a list of path segments from a valid URL fragment.

encodePathSegmentsRelative :: [Text] -> Builder Source

Like encodePathSegments, but without the initial slash.

Path (segments + query string)

extractPath :: ByteString -> ByteString Source

Extract whole path (path segments + query) from a RFC 2616 Request-URI.

>>> extractPath "/path"
"/path"
>>> extractPath "http://example.com:8080/path"
"/path"
>>> extractPath "http://example.com"
"/"
>>> extractPath ""
"/"

encodePath :: [Text] -> Query -> Builder Source

Encode a whole path (path segments + query).

decodePath :: ByteString -> ([Text], Query) Source

Decode a whole path (path segments + query).

URL encoding / decoding

urlEncodeBuilder Source

Arguments

:: Bool

Whether input is in query string. True: Query string, False: Path element

-> ByteString 
-> Builder 

Percent-encoding for URLs (using Builder).

urlEncode Source

Arguments

:: Bool

Whether to decode + to ' '

-> ByteString

The ByteString to encode as URL

-> ByteString

The encoded URL

Percent-encoding for URLs.

urlDecode Source

Arguments

:: Bool

Whether to decode + to ' '

-> ByteString 
-> ByteString 

Percent-decoding.