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