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_network.py
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# Copyright (c) Microsoft Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import asyncio
import base64
import json
import mimetypes
from collections import defaultdict
from pathlib import Path
from types import SimpleNamespace
from typing import TYPE_CHECKING, Any, Callable, Dict, List, Optional, Union, cast
from urllib import parse
from playwright._impl._api_structures import (
Headers,
HeadersArray,
RemoteAddr,
RequestSizes,
ResourceTiming,
SecurityDetails,
)
from playwright._impl._api_types import Error
from playwright._impl._connection import (
ChannelOwner,
from_channel,
from_nullable_channel,
)
from playwright._impl._event_context_manager import EventContextManagerImpl
from playwright._impl._helper import ContinueParameters, locals_to_params
from playwright._impl._wait_helper import WaitHelper
if TYPE_CHECKING: # pragma: no cover
from playwright._impl._frame import Frame
class Request(ChannelOwner):
def __init__(
self, parent: ChannelOwner, type: str, guid: str, initializer: Dict
) -> None:
super().__init__(parent, type, guid, initializer)
self._redirected_from: Optional["Request"] = from_nullable_channel(
initializer.get("redirectedFrom")
)
self._redirected_to: Optional["Request"] = None
if self._redirected_from:
self._redirected_from._redirected_to = self
self._failure_text: Optional[str] = None
self._timing: ResourceTiming = {
"startTime": 0,
"domainLookupStart": -1,
"domainLookupEnd": -1,
"connectStart": -1,
"secureConnectionStart": -1,
"connectEnd": -1,
"requestStart": -1,
"responseStart": -1,
"responseEnd": -1,
}
self._provisional_headers = RawHeaders(self._initializer["headers"])
self._all_headers_future: Optional[asyncio.Future[RawHeaders]] = None
def __repr__(self) -> str:
return f"<Request url={self.url!r} method={self.method!r}>"
@property
def url(self) -> str:
return self._initializer["url"]
@property
def resource_type(self) -> str:
return self._initializer["resourceType"]
@property
def method(self) -> str:
return self._initializer["method"]
async def sizes(self) -> RequestSizes:
response = await self.response()
if not response:
raise Error("Unable to fetch sizes for failed request")
return await response._channel.send("sizes")
@property
def post_data(self) -> Optional[str]:
data = self.post_data_buffer
if not data:
return None
return data.decode()
@property
def post_data_json(self) -> Optional[Any]:
post_data = self.post_data
if not post_data:
return None
content_type = self.headers["content-type"]
if content_type == "application/x-www-form-urlencoded":
return dict(parse.parse_qsl(post_data))
try:
return json.loads(post_data)
except Exception:
raise Error(f"POST data is not a valid JSON object: {post_data}")
@property
def post_data_buffer(self) -> Optional[bytes]:
b64_content = self._initializer.get("postData")
if not b64_content:
return None
return base64.b64decode(b64_content)
async def response(self) -> Optional["Response"]:
return from_nullable_channel(await self._channel.send("response"))
@property
def frame(self) -> "Frame":
return from_channel(self._initializer["frame"])
def is_navigation_request(self) -> bool:
return self._initializer["isNavigationRequest"]
@property
def redirected_from(self) -> Optional["Request"]:
return self._redirected_from
@property
def redirected_to(self) -> Optional["Request"]:
return self._redirected_to
@property
def failure(self) -> Optional[str]:
return self._failure_text
@property
def timing(self) -> ResourceTiming:
return self._timing
@property
def headers(self) -> Headers:
return self._provisional_headers.headers()
async def all_headers(self) -> Headers:
return (await self._actual_headers()).headers()
async def headers_array(self) -> HeadersArray:
return (await self._actual_headers()).headers_array()
async def header_value(self, name: str) -> Optional[str]:
return (await self._actual_headers()).get(name)
async def _actual_headers(self) -> "RawHeaders":
if not self._all_headers_future:
self._all_headers_future = asyncio.Future()
headers = await self._channel.send("rawRequestHeaders")
self._all_headers_future.set_result(RawHeaders(headers))
return await self._all_headers_future
class Route(ChannelOwner):
def __init__(
self, parent: ChannelOwner, type: str, guid: str, initializer: Dict
) -> None:
super().__init__(parent, type, guid, initializer)
def __repr__(self) -> str:
return f"<Route request={self.request}>"
@property
def request(self) -> Request:
return from_channel(self._initializer["request"])
async def abort(self, errorCode: str = None) -> None:
await self._channel.send("abort", locals_to_params(locals()))
async def fulfill(
self,
status: int = None,
headers: Dict[str, str] = None,
body: Union[str, bytes] = None,
path: Union[str, Path] = None,
contentType: str = None,
) -> None:
params = locals_to_params(locals())
length = 0
if isinstance(body, str):
params["body"] = body
params["isBase64"] = False
length = len(body.encode())
elif isinstance(body, bytes):
params["body"] = base64.b64encode(body).decode()
params["isBase64"] = True
length = len(body)
elif path:
del params["path"]
file_content = Path(path).read_bytes()
params["body"] = base64.b64encode(file_content).decode()
params["isBase64"] = True
length = len(file_content)
headers = {k.lower(): str(v) for k, v in params.get("headers", {}).items()}
if params.get("contentType"):
headers["content-type"] = params["contentType"]
elif path:
headers["content-type"] = (
mimetypes.guess_type(str(Path(path)))[0] or "application/octet-stream"
)
if length and "content-length" not in headers:
headers["content-length"] = str(length)
params["headers"] = serialize_headers(headers)
await self._channel.send("fulfill", params)
async def continue_(
self,
url: str = None,
method: str = None,
headers: Dict[str, str] = None,
postData: Union[str, bytes] = None,
) -> None:
overrides: ContinueParameters = {}
if url:
overrides["url"] = url
if method:
overrides["method"] = method
if headers:
overrides["headers"] = serialize_headers(headers)
if isinstance(postData, str):
overrides["postData"] = base64.b64encode(postData.encode()).decode()
elif isinstance(postData, bytes):
overrides["postData"] = base64.b64encode(postData).decode()
await self._channel.send("continue", cast(Any, overrides))
def _internal_continue(self) -> None:
async def continue_route() -> None:
try:
await self.continue_()
except Exception:
pass
asyncio.create_task(continue_route())
class Response(ChannelOwner):
def __init__(
self, parent: ChannelOwner, type: str, guid: str, initializer: Dict
) -> None:
super().__init__(parent, type, guid, initializer)
self._request: Request = from_channel(self._initializer["request"])
timing = self._initializer["timing"]
self._request._timing["startTime"] = timing["startTime"]
self._request._timing["domainLookupStart"] = timing["domainLookupStart"]
self._request._timing["domainLookupEnd"] = timing["domainLookupEnd"]
self._request._timing["connectStart"] = timing["connectStart"]
self._request._timing["secureConnectionStart"] = timing["secureConnectionStart"]
self._request._timing["connectEnd"] = timing["connectEnd"]
self._request._timing["requestStart"] = timing["requestStart"]
self._request._timing["responseStart"] = timing["responseStart"]
self._provisional_headers = RawHeaders(
cast(HeadersArray, self._initializer["headers"])
)
self._raw_headers_future: Optional[asyncio.Future[RawHeaders]] = None
self._finished_future: asyncio.Future[bool] = asyncio.Future()
def __repr__(self) -> str:
return f"<Response url={self.url!r} request={self.request}>"
@property
def url(self) -> str:
return self._initializer["url"]
@property
def ok(self) -> bool:
# Status 0 is for file:// URLs
return self._initializer["status"] == 0 or (
self._initializer["status"] >= 200 and self._initializer["status"] <= 299
)
@property
def status(self) -> int:
return self._initializer["status"]
@property
def status_text(self) -> str:
return self._initializer["statusText"]
@property
def headers(self) -> Headers:
return self._provisional_headers.headers()
async def all_headers(self) -> Headers:
return (await self._actual_headers()).headers()
async def headers_array(self) -> HeadersArray:
return (await self._actual_headers()).headers_array()
async def header_value(self, name: str) -> Optional[str]:
return (await self._actual_headers()).get(name)
async def header_values(self, name: str) -> List[str]:
return (await self._actual_headers()).get_all(name)
async def _actual_headers(self) -> "RawHeaders":
if not self._raw_headers_future:
self._raw_headers_future = asyncio.Future()
headers = cast(HeadersArray, await self._channel.send("rawResponseHeaders"))
self._raw_headers_future.set_result(RawHeaders(headers))
return await self._raw_headers_future
async def server_addr(self) -> Optional[RemoteAddr]:
return await self._channel.send("serverAddr")
async def security_details(self) -> Optional[SecurityDetails]:
return await self._channel.send("securityDetails")
async def finished(self) -> None:
await self._finished_future
async def body(self) -> bytes:
binary = await self._channel.send("body")
return base64.b64decode(binary)
async def text(self) -> str:
content = await self.body()
return content.decode()
async def json(self) -> Any:
return json.loads(await self.text())
@property
def request(self) -> Request:
return self._request
@property
def frame(self) -> "Frame":
return self._request.frame
class WebSocket(ChannelOwner):
Events = SimpleNamespace(
Close="close",
FrameReceived="framereceived",
FrameSent="framesent",
Error="socketerror",
)
def __init__(
self, parent: ChannelOwner, type: str, guid: str, initializer: Dict
) -> None:
super().__init__(parent, type, guid, initializer)
self._is_closed = False
self._channel.on(
"frameSent",
lambda params: self._on_frame_sent(params["opcode"], params["data"]),
)
self._channel.on(
"frameReceived",
lambda params: self._on_frame_received(params["opcode"], params["data"]),
)
self._channel.on(
"socketError",
lambda params: self.emit(WebSocket.Events.Error, params["error"]),
)
self._channel.on("close", lambda params: self._on_close())
def __repr__(self) -> str:
return f"<WebSocket url={self.url!r}>"
@property
def url(self) -> str:
return self._initializer["url"]
def expect_event(
self,
event: str,
predicate: Callable = None,
timeout: float = None,
) -> EventContextManagerImpl:
if timeout is None:
timeout = cast(Any, self._parent)._timeout_settings.timeout()
wait_helper = WaitHelper(self, f"web_socket.expect_event({event})")
wait_helper.reject_on_timeout(
timeout, f'Timeout while waiting for event "{event}"'
)
if event != WebSocket.Events.Close:
wait_helper.reject_on_event(
self, WebSocket.Events.Close, Error("Socket closed")
)
if event != WebSocket.Events.Error:
wait_helper.reject_on_event(
self, WebSocket.Events.Error, Error("Socket error")
)
wait_helper.reject_on_event(self._parent, "close", Error("Page closed"))
wait_helper.wait_for_event(self, event, predicate)
return EventContextManagerImpl(wait_helper.result())
async def wait_for_event(
self, event: str, predicate: Callable = None, timeout: float = None
) -> Any:
async with self.expect_event(event, predicate, timeout) as event_info:
pass
return await event_info
def _on_frame_sent(self, opcode: int, data: str) -> None:
if opcode == 2:
self.emit(WebSocket.Events.FrameSent, base64.b64decode(data))
elif opcode == 1:
self.emit(WebSocket.Events.FrameSent, data)
def _on_frame_received(self, opcode: int, data: str) -> None:
if opcode == 2:
self.emit(WebSocket.Events.FrameReceived, base64.b64decode(data))
elif opcode == 1:
self.emit(WebSocket.Events.FrameReceived, data)
def is_closed(self) -> bool:
return self._is_closed
def _on_close(self) -> None:
self._is_closed = True
self.emit(WebSocket.Events.Close, self)
def serialize_headers(headers: Dict[str, str]) -> HeadersArray:
return [{"name": name, "value": value} for name, value in headers.items()]
class RawHeaders:
def __init__(self, headers: HeadersArray) -> None:
self._headers_array = headers
self._headers_map: Dict[str, Dict[str, bool]] = defaultdict(dict)
for header in headers:
self._headers_map[header["name"].lower()][header["value"]] = True
def get(self, name: str) -> Optional[str]:
values = self.get_all(name)
if not values:
return None
separator = "\n" if name.lower() == "set-cookie" else ", "
return separator.join(values)
def get_all(self, name: str) -> List[str]:
return list(self._headers_map[name.lower()].keys())
def headers(self) -> Dict[str, str]:
result = {}
for name in self._headers_map.keys():
result[name] = cast(str, self.get(name))
return result
def headers_array(self) -> HeadersArray:
return self._headers_array