# Request env keys

HTTP_HOST = 'HTTP_HOST'

HTTP_PORT = 'HTTP_PORT'

HTTPS = 'HTTPS'

PATH_INFO = 'PATH_INFO'

REQUEST_METHOD = 'REQUEST_METHOD'

REQUEST_PATH = 'REQUEST_PATH'

SCRIPT_NAME = 'SCRIPT_NAME'

QUERY_STRING = 'QUERY_STRING'

SERVER_PROTOCOL = 'SERVER_PROTOCOL'

SERVER_NAME = 'SERVER_NAME'

SERVER_PORT = 'SERVER_PORT'

HTTP_COOKIE = 'HTTP_COOKIE'

# Response Header Keys

CACHE_CONTROL = 'cache-control'

CONTENT_LENGTH = 'content-length'

CONTENT_TYPE = 'content-type'

ETAG = 'etag'

EXPIRES = 'expires'

SET_COOKIE = 'set-cookie'

TRANSFER_ENCODING = 'transfer-encoding'

# HTTP method verbs

GET = 'GET'

POST = 'POST'

PUT = 'PUT'

PATCH = 'PATCH'

DELETE = 'DELETE'

HEAD = 'HEAD'

OPTIONS = 'OPTIONS'

CONNECT = 'CONNECT'

LINK = 'LINK'

UNLINK = 'UNLINK'

TRACE = 'TRACE'

# Rack environment variables

RACK_VERSION = 'rack.version'

RACK_TEMPFILES = 'rack.tempfiles'

RACK_EARLY_HINTS = 'rack.early_hints'

RACK_ERRORS = 'rack.errors'

RACK_LOGGER = 'rack.logger'

RACK_INPUT = 'rack.input'

RACK_SESSION = 'rack.session'

RACK_SESSION_OPTIONS = 'rack.session.options'

RACK_SHOWSTATUS_DETAIL = 'rack.showstatus.detail'

RACK_URL_SCHEME = 'rack.url_scheme'

RACK_HIJACK = 'rack.hijack'

RACK_IS_HIJACK = 'rack.hijack?'

RACK_RECURSIVE_INCLUDE = 'rack.recursive.include'

RACK_MULTIPART_BUFFER_SIZE = 'rack.multipart.buffer_size'

RACK_MULTIPART_TEMPFILE_FACTORY = 'rack.multipart.tempfile_factory'

RACK_RESPONSE_FINISHED = 'rack.response_finished'

RACK_REQUEST_FORM_INPUT = 'rack.request.form_input'

RACK_REQUEST_FORM_HASH = 'rack.request.form_hash'

RACK_REQUEST_FORM_PAIRS = 'rack.request.form_pairs'

RACK_REQUEST_FORM_VARS = 'rack.request.form_vars'

RACK_REQUEST_FORM_ERROR = 'rack.request.form_error'

RACK_REQUEST_COOKIE_HASH = 'rack.request.cookie_hash'

RACK_REQUEST_COOKIE_STRING = 'rack.request.cookie_string'

RACK_REQUEST_QUERY_HASH = 'rack.request.query_hash'

RACK_REQUEST_QUERY_STRING = 'rack.request.query_string'

RACK_METHODOVERRIDE_ORIGINAL_METHOD = 'rack.methodoverride.original_method'