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from __future__ import annotations
import os
import typing
# use http.client.HTTPException for consistency with non-emscripten
from http.client import HTTPException as HTTPException # noqa: F401
from http.client import ResponseNotReady
from ..._base_connection import _TYPE_BODY
from ...connection import HTTPConnection, ProxyConfig, port_by_scheme
from ...exceptions import TimeoutError
from ...response import BaseHTTPResponse
from ...util.connection import _TYPE_SOCKET_OPTIONS
from ...util.timeout import _DEFAULT_TIMEOUT, _TYPE_TIMEOUT
from ...util.url import Url
from .fetch import _RequestError, _TimeoutError, send_request, send_streaming_request
from .request import EmscriptenRequest
from .response import EmscriptenHttpResponseWrapper, EmscriptenResponse
if typing.TYPE_CHECKING:
from ..._base_connection import BaseHTTPConnection, BaseHTTPSConnection
class EmscriptenHTTPConnection:
default_port: typing.ClassVar[int] = port_by_scheme["http"]
default_socket_options: typing.ClassVar[_TYPE_SOCKET_OPTIONS]
timeout: None | (float)
host: str
port: int
blocksize: int
source_address: tuple[str, int] | None
socket_options: _TYPE_SOCKET_OPTIONS | None
proxy: Url | None
proxy_config: ProxyConfig | None
is_verified: bool = False
proxy_is_verified: bool | None = None
_response: EmscriptenResponse | None
def __init__(
self,
host: str,
port: int = 0,
*,
timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT,
source_address: tuple[str, int] | None = None,
blocksize: int = 8192,
socket_options: _TYPE_SOCKET_OPTIONS | None = None,
proxy: Url | None = None,
proxy_config: ProxyConfig | None = None,
) -> None:
self.host = host
self.port = port
self.timeout = timeout if isinstance(timeout, float) else 0.0
self.scheme = "http"
self._closed = True
self._response = None
# ignore these things because we don't
# have control over that stuff
self.proxy = None
self.proxy_config = None
self.blocksize = blocksize
self.source_address = None
self.socket_options = None
self.is_verified = False
def set_tunnel(
self,
host: str,
port: int | None = 0,
headers: typing.Mapping[str, str] | None = None,
scheme: str = "http",
) -> None:
pass
def connect(self) -> None:
pass
def request(
self,
method: str,
url: str,
body: _TYPE_BODY | None = None,
headers: typing.Mapping[str, str] | None = None,
# We know *at least* botocore is depending on the order of the
# first 3 parameters so to be safe we only mark the later ones
# as keyword-only to ensure we have space to extend.
*,
chunked: bool = False,
preload_content: bool = True,
decode_content: bool = True,
enforce_content_length: bool = True,
) -> None:
self._closed = False
if url.startswith("/"):
# no scheme / host / port included, make a full url
url = f"{self.scheme}://{self.host}:{self.port}" + url
request = EmscriptenRequest(
url=url,
method=method,
timeout=self.timeout if self.timeout else 0,
decode_content=decode_content,
)
request.set_body(body)
if headers:
for k, v in headers.items():
request.set_header(k, v)
self._response = None
try:
if not preload_content:
self._response = send_streaming_request(request)
if self._response is None:
self._response = send_request(request)
except _TimeoutError as e:
raise TimeoutError(e.message) from e
except _RequestError as e:
raise HTTPException(e.message) from e
def getresponse(self) -> BaseHTTPResponse:
if self._response is not None:
return EmscriptenHttpResponseWrapper(
internal_response=self._response,
url=self._response.request.url,
connection=self,
)
else:
raise ResponseNotReady()
def close(self) -> None:
self._closed = True
self._response = None
@property
def is_closed(self) -> bool:
"""Whether the connection either is brand new or has been previously closed.
If this property is True then both ``is_connected`` and ``has_connected_to_proxy``
properties must be False.
"""
return self._closed
@property
def is_connected(self) -> bool:
"""Whether the connection is actively connected to any origin (proxy or target)"""
return True
@property
def has_connected_to_proxy(self) -> bool:
"""Whether the connection has successfully connected to its proxy.
This returns False if no proxy is in use. Used to determine whether
errors are coming from the proxy layer or from tunnelling to the target origin.
"""
return False
class EmscriptenHTTPSConnection(EmscriptenHTTPConnection):
default_port = port_by_scheme["https"]
# all this is basically ignored, as browser handles https
cert_reqs: int | str | None = None
ca_certs: str | None = None
ca_cert_dir: str | None = None
ca_cert_data: None | str | bytes = None
cert_file: str | None
key_file: str | None
key_password: str | None
ssl_context: typing.Any | None
ssl_version: int | str | None = None
ssl_minimum_version: int | None = None
ssl_maximum_version: int | None = None
assert_hostname: None | str | typing.Literal[False]
assert_fingerprint: str | None = None
def __init__(
self,
host: str,
port: int = 0,
*,
timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT,
source_address: tuple[str, int] | None = None,
blocksize: int = 16384,
socket_options: None
| _TYPE_SOCKET_OPTIONS = HTTPConnection.default_socket_options,
proxy: Url | None = None,
proxy_config: ProxyConfig | None = None,
cert_reqs: int | str | None = None,
assert_hostname: None | str | typing.Literal[False] = None,
assert_fingerprint: str | None = None,
server_hostname: str | None = None,
ssl_context: typing.Any | None = None,
ca_certs: str | None = None,
ca_cert_dir: str | None = None,
ca_cert_data: None | str | bytes = None,
ssl_minimum_version: int | None = None,
ssl_maximum_version: int | None = None,
ssl_version: int | str | None = None, # Deprecated
cert_file: str | None = None,
key_file: str | None = None,
key_password: str | None = None,
) -> None:
super().__init__(
host,
port=port,
timeout=timeout,
source_address=source_address,
blocksize=blocksize,
socket_options=socket_options,
proxy=proxy,
proxy_config=proxy_config,
)
self.scheme = "https"
self.key_file = key_file
self.cert_file = cert_file
self.key_password = key_password
self.ssl_context = ssl_context
self.server_hostname = server_hostname
self.assert_hostname = assert_hostname
self.assert_fingerprint = assert_fingerprint
self.ssl_version = ssl_version
self.ssl_minimum_version = ssl_minimum_version
self.ssl_maximum_version = ssl_maximum_version
self.ca_certs = ca_certs and os.path.expanduser(ca_certs)
self.ca_cert_dir = ca_cert_dir and os.path.expanduser(ca_cert_dir)
self.ca_cert_data = ca_cert_data
self.cert_reqs = None
# The browser will automatically verify all requests.
# We have no control over that setting.
self.is_verified = True
def set_cert(
self,
key_file: str | None = None,
cert_file: str | None = None,
cert_reqs: int | str | None = None,
key_password: str | None = None,
ca_certs: str | None = None,
assert_hostname: None | str | typing.Literal[False] = None,
assert_fingerprint: str | None = None,
ca_cert_dir: str | None = None,
ca_cert_data: None | str | bytes = None,
) -> None:
pass
# verify that this class implements BaseHTTP(s) connection correctly
if typing.TYPE_CHECKING:
_supports_http_protocol: BaseHTTPConnection = EmscriptenHTTPConnection("", 0)
_supports_https_protocol: BaseHTTPSConnection = EmscriptenHTTPSConnection("", 0)
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