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|
import os
import netlib.http2
import pyparsing as pp
from . import base, generators, actions, message
"""
Normal HTTP requests:
<method>:<path>:<header>:<body>
e.g.:
GET:/
GET:/:foo=bar
POST:/:foo=bar:'content body payload'
Individual HTTP/2 frames:
h2f:<payload_length>:<type>:<flags>:<stream_id>:<payload>
e.g.:
h2f:0:PING
h2f:42:HEADERS:END_HEADERS:0x1234567:foo=bar,host=example.com
h2f:42:DATA:END_STREAM,PADDED:0x1234567:'content body payload'
"""
class Method(base.OptionsOrValue):
options = [
"GET",
"HEAD",
"POST",
"PUT",
"DELETE",
]
class Path(base.Value):
pass
class Header(base.KeyValue):
preamble = "h"
class Body(base.Value):
preamble = "b"
class Times(base.Integer):
preamble = "x"
class Code(base.Integer):
pass
class Request(message.Message):
comps = (
Header,
Body,
Times,
)
logattrs = ["method", "path"]
def __init__(self, tokens):
super(Response, self).__init__(tokens)
self.rendered_values = None
@property
def method(self):
return self.tok(Method)
@property
def path(self):
return self.tok(Path)
@property
def headers(self):
return self.toks(Header)
@property
def body(self):
return self.tok(Body)
@property
def times(self):
return self.tok(Times)
@property
def actions(self):
return []
@classmethod
def expr(klass):
parts = [i.expr() for i in klass.comps]
atom = pp.MatchFirst(parts)
resp = pp.And(
[
Method.expr(),
base.Sep,
Path.expr(),
pp.ZeroOrMore(base.Sep + atom)
]
)
resp = resp.setParseAction(klass)
return resp
def resolve(self, settings, msg=None):
return self
def values(self, settings):
if self.rendered_values:
return self.rendered_values
else:
headers = self.headers
if headers:
headers = headers.values(settings)
body = self.body
if body:
body = body.string()
self.rendered_values = settings.protocol.create_request(
self.method.string(),
self.path.string(),
headers, # TODO: parse that into a dict?!
body)
return self.rendered_values
def spec(self):
return ":".join([i.spec() for i in self.tokens])
class Response(message.Message):
unique_name = None
comps = (
Header,
Body,
)
def __init__(self, tokens):
super(Response, self).__init__(tokens)
self.rendered_values = None
self.stream_id = 0
@property
def code(self):
return self.tok(Code)
@property
def headers(self):
return self.toks(Header)
@property
def body(self):
return self.tok(Body)
@property
def actions(self):
return []
def resolve(self, settings, msg=None):
return self
@classmethod
def expr(klass):
parts = [i.expr() for i in klass.comps]
atom = pp.MatchFirst(parts)
resp = pp.And(
[
Code.expr(),
pp.ZeroOrMore(base.Sep + atom)
]
)
resp = resp.setParseAction(klass)
return resp
def values(self, settings):
if self.rendered_values:
return self.rendered_values
else:
headers = self.headers
if headers:
headers = headers.values(settings)
body = self.body
if body:
body = body.string()
self.rendered_values = settings.protocol.create_response(
self.code.string(),
self.stream_id,
headers, # TODO: parse that into a dict?!
body)
return self.rendered_values
def spec(self):
return ":".join([i.spec() for i in self.tokens])
def make_error_response(reason, body=None):
tokens = [
Code("800"),
Body(base.TokValueLiteral("pathod error: " + (body or reason))),
]
return Response(tokens)
# class Frame(message.Message):
# pass
|
