477 lines
21 KiB
Python
Executable File

# Licensed to the Software Freedom Conservancy (SFC) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The SFC licenses this file
# to you 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 logging
import platform
import string
import warnings
from base64 import b64encode
from typing import Optional
from urllib import parse
import urllib3
from selenium import __version__
from . import utils
from .client_config import ClientConfig
from .command import Command
from .errorhandler import ErrorCode
LOGGER = logging.getLogger(__name__)
remote_commands = {
Command.NEW_SESSION: ("POST", "/session"),
Command.QUIT: ("DELETE", "/session/$sessionId"),
Command.W3C_GET_CURRENT_WINDOW_HANDLE: ("GET", "/session/$sessionId/window"),
Command.W3C_GET_WINDOW_HANDLES: ("GET", "/session/$sessionId/window/handles"),
Command.GET: ("POST", "/session/$sessionId/url"),
Command.GO_FORWARD: ("POST", "/session/$sessionId/forward"),
Command.GO_BACK: ("POST", "/session/$sessionId/back"),
Command.REFRESH: ("POST", "/session/$sessionId/refresh"),
Command.W3C_EXECUTE_SCRIPT: ("POST", "/session/$sessionId/execute/sync"),
Command.W3C_EXECUTE_SCRIPT_ASYNC: ("POST", "/session/$sessionId/execute/async"),
Command.GET_CURRENT_URL: ("GET", "/session/$sessionId/url"),
Command.GET_TITLE: ("GET", "/session/$sessionId/title"),
Command.GET_PAGE_SOURCE: ("GET", "/session/$sessionId/source"),
Command.SCREENSHOT: ("GET", "/session/$sessionId/screenshot"),
Command.ELEMENT_SCREENSHOT: ("GET", "/session/$sessionId/element/$id/screenshot"),
Command.FIND_ELEMENT: ("POST", "/session/$sessionId/element"),
Command.FIND_ELEMENTS: ("POST", "/session/$sessionId/elements"),
Command.W3C_GET_ACTIVE_ELEMENT: ("GET", "/session/$sessionId/element/active"),
Command.FIND_CHILD_ELEMENT: ("POST", "/session/$sessionId/element/$id/element"),
Command.FIND_CHILD_ELEMENTS: ("POST", "/session/$sessionId/element/$id/elements"),
Command.CLICK_ELEMENT: ("POST", "/session/$sessionId/element/$id/click"),
Command.CLEAR_ELEMENT: ("POST", "/session/$sessionId/element/$id/clear"),
Command.GET_ELEMENT_TEXT: ("GET", "/session/$sessionId/element/$id/text"),
Command.SEND_KEYS_TO_ELEMENT: ("POST", "/session/$sessionId/element/$id/value"),
Command.GET_ELEMENT_TAG_NAME: ("GET", "/session/$sessionId/element/$id/name"),
Command.IS_ELEMENT_SELECTED: ("GET", "/session/$sessionId/element/$id/selected"),
Command.IS_ELEMENT_ENABLED: ("GET", "/session/$sessionId/element/$id/enabled"),
Command.GET_ELEMENT_RECT: ("GET", "/session/$sessionId/element/$id/rect"),
Command.GET_ELEMENT_ATTRIBUTE: ("GET", "/session/$sessionId/element/$id/attribute/$name"),
Command.GET_ELEMENT_PROPERTY: ("GET", "/session/$sessionId/element/$id/property/$name"),
Command.GET_ELEMENT_ARIA_ROLE: ("GET", "/session/$sessionId/element/$id/computedrole"),
Command.GET_ELEMENT_ARIA_LABEL: ("GET", "/session/$sessionId/element/$id/computedlabel"),
Command.GET_SHADOW_ROOT: ("GET", "/session/$sessionId/element/$id/shadow"),
Command.FIND_ELEMENT_FROM_SHADOW_ROOT: ("POST", "/session/$sessionId/shadow/$shadowId/element"),
Command.FIND_ELEMENTS_FROM_SHADOW_ROOT: ("POST", "/session/$sessionId/shadow/$shadowId/elements"),
Command.GET_ALL_COOKIES: ("GET", "/session/$sessionId/cookie"),
Command.ADD_COOKIE: ("POST", "/session/$sessionId/cookie"),
Command.GET_COOKIE: ("GET", "/session/$sessionId/cookie/$name"),
Command.DELETE_ALL_COOKIES: ("DELETE", "/session/$sessionId/cookie"),
Command.DELETE_COOKIE: ("DELETE", "/session/$sessionId/cookie/$name"),
Command.SWITCH_TO_FRAME: ("POST", "/session/$sessionId/frame"),
Command.SWITCH_TO_PARENT_FRAME: ("POST", "/session/$sessionId/frame/parent"),
Command.SWITCH_TO_WINDOW: ("POST", "/session/$sessionId/window"),
Command.NEW_WINDOW: ("POST", "/session/$sessionId/window/new"),
Command.CLOSE: ("DELETE", "/session/$sessionId/window"),
Command.GET_ELEMENT_VALUE_OF_CSS_PROPERTY: ("GET", "/session/$sessionId/element/$id/css/$propertyName"),
Command.EXECUTE_ASYNC_SCRIPT: ("POST", "/session/$sessionId/execute_async"),
Command.SET_TIMEOUTS: ("POST", "/session/$sessionId/timeouts"),
Command.GET_TIMEOUTS: ("GET", "/session/$sessionId/timeouts"),
Command.W3C_DISMISS_ALERT: ("POST", "/session/$sessionId/alert/dismiss"),
Command.W3C_ACCEPT_ALERT: ("POST", "/session/$sessionId/alert/accept"),
Command.W3C_SET_ALERT_VALUE: ("POST", "/session/$sessionId/alert/text"),
Command.W3C_GET_ALERT_TEXT: ("GET", "/session/$sessionId/alert/text"),
Command.W3C_ACTIONS: ("POST", "/session/$sessionId/actions"),
Command.W3C_CLEAR_ACTIONS: ("DELETE", "/session/$sessionId/actions"),
Command.SET_WINDOW_RECT: ("POST", "/session/$sessionId/window/rect"),
Command.GET_WINDOW_RECT: ("GET", "/session/$sessionId/window/rect"),
Command.W3C_MAXIMIZE_WINDOW: ("POST", "/session/$sessionId/window/maximize"),
Command.SET_SCREEN_ORIENTATION: ("POST", "/session/$sessionId/orientation"),
Command.GET_SCREEN_ORIENTATION: ("GET", "/session/$sessionId/orientation"),
Command.GET_NETWORK_CONNECTION: ("GET", "/session/$sessionId/network_connection"),
Command.SET_NETWORK_CONNECTION: ("POST", "/session/$sessionId/network_connection"),
Command.GET_LOG: ("POST", "/session/$sessionId/se/log"),
Command.GET_AVAILABLE_LOG_TYPES: ("GET", "/session/$sessionId/se/log/types"),
Command.CURRENT_CONTEXT_HANDLE: ("GET", "/session/$sessionId/context"),
Command.CONTEXT_HANDLES: ("GET", "/session/$sessionId/contexts"),
Command.SWITCH_TO_CONTEXT: ("POST", "/session/$sessionId/context"),
Command.FULLSCREEN_WINDOW: ("POST", "/session/$sessionId/window/fullscreen"),
Command.MINIMIZE_WINDOW: ("POST", "/session/$sessionId/window/minimize"),
Command.PRINT_PAGE: ("POST", "/session/$sessionId/print"),
Command.ADD_VIRTUAL_AUTHENTICATOR: ("POST", "/session/$sessionId/webauthn/authenticator"),
Command.REMOVE_VIRTUAL_AUTHENTICATOR: (
"DELETE",
"/session/$sessionId/webauthn/authenticator/$authenticatorId",
),
Command.ADD_CREDENTIAL: ("POST", "/session/$sessionId/webauthn/authenticator/$authenticatorId/credential"),
Command.GET_CREDENTIALS: ("GET", "/session/$sessionId/webauthn/authenticator/$authenticatorId/credentials"),
Command.REMOVE_CREDENTIAL: (
"DELETE",
"/session/$sessionId/webauthn/authenticator/$authenticatorId/credentials/$credentialId",
),
Command.REMOVE_ALL_CREDENTIALS: (
"DELETE",
"/session/$sessionId/webauthn/authenticator/$authenticatorId/credentials",
),
Command.SET_USER_VERIFIED: ("POST", "/session/$sessionId/webauthn/authenticator/$authenticatorId/uv"),
Command.UPLOAD_FILE: ("POST", "/session/$sessionId/se/file"),
Command.GET_DOWNLOADABLE_FILES: ("GET", "/session/$sessionId/se/files"),
Command.DOWNLOAD_FILE: ("POST", "/session/$sessionId/se/files"),
Command.DELETE_DOWNLOADABLE_FILES: ("DELETE", "/session/$sessionId/se/files"),
}
class RemoteConnection:
"""A connection with the Remote WebDriver server.
Communicates with the server using the WebDriver wire protocol:
https://github.com/SeleniumHQ/selenium/wiki/JsonWireProtocol
"""
browser_name = None
# Keep backward compatibility for AppiumConnection - https://github.com/SeleniumHQ/selenium/issues/14694
import os
import socket
import certifi
_timeout = (
float(os.getenv("GLOBAL_DEFAULT_TIMEOUT", str(socket.getdefaulttimeout())))
if os.getenv("GLOBAL_DEFAULT_TIMEOUT") is not None
else socket.getdefaulttimeout()
)
_ca_certs = os.getenv("REQUESTS_CA_BUNDLE") if "REQUESTS_CA_BUNDLE" in os.environ else certifi.where()
_client_config: ClientConfig = None
system = platform.system().lower()
if system == "darwin":
system = "mac"
# Class variables for headers
extra_headers = None
user_agent = f"selenium/{__version__} (python {system})"
@classmethod
def get_timeout(cls):
""":Returns:
Timeout value in seconds for all http requests made to the
Remote Connection
"""
warnings.warn(
"get_timeout() in RemoteConnection is deprecated, get timeout from ClientConfig instance instead",
DeprecationWarning,
stacklevel=2,
)
return cls._client_config.timeout
@classmethod
def set_timeout(cls, timeout):
"""Override the default timeout.
:Args:
- timeout - timeout value for http requests in seconds
"""
warnings.warn(
"set_timeout() in RemoteConnection is deprecated, set timeout to ClientConfig instance in constructor instead",
DeprecationWarning,
stacklevel=2,
)
cls._client_config.timeout = timeout
@classmethod
def reset_timeout(cls):
"""Reset the http request timeout to socket._GLOBAL_DEFAULT_TIMEOUT."""
warnings.warn(
"reset_timeout() in RemoteConnection is deprecated, use reset_timeout() in ClientConfig instance instead",
DeprecationWarning,
stacklevel=2,
)
cls._client_config.reset_timeout()
@classmethod
def get_certificate_bundle_path(cls):
""":Returns:
Paths of the .pem encoded certificate to verify connection to
command executor. Defaults to certifi.where() or
REQUESTS_CA_BUNDLE env variable if set.
"""
warnings.warn(
"get_certificate_bundle_path() in RemoteConnection is deprecated, get ca_certs from ClientConfig instance instead",
DeprecationWarning,
stacklevel=2,
)
return cls._client_config.ca_certs
@classmethod
def set_certificate_bundle_path(cls, path):
"""Set the path to the certificate bundle to verify connection to
command executor. Can also be set to None to disable certificate
validation.
:Args:
- path - path of a .pem encoded certificate chain.
"""
warnings.warn(
"set_certificate_bundle_path() in RemoteConnection is deprecated, set ca_certs to ClientConfig instance in constructor instead",
DeprecationWarning,
stacklevel=2,
)
cls._client_config.ca_certs = path
@classmethod
def get_remote_connection_headers(cls, parsed_url, keep_alive=False):
"""Get headers for remote request.
:Args:
- parsed_url - The parsed url
- keep_alive (Boolean) - Is this a keep-alive connection (default: False)
"""
headers = {
"Accept": "application/json",
"Content-Type": "application/json;charset=UTF-8",
"User-Agent": cls.user_agent,
}
if parsed_url.username:
base64string = b64encode(f"{parsed_url.username}:{parsed_url.password}".encode())
headers.update({"Authorization": f"Basic {base64string.decode()}"})
if keep_alive:
headers.update({"Connection": "keep-alive"})
if cls.extra_headers:
headers.update(cls.extra_headers)
return headers
def _identify_http_proxy_auth(self):
url = self._proxy_url
url = url[url.find(":") + 3 :]
return "@" in url and len(url[: url.find("@")]) > 0
def _separate_http_proxy_auth(self):
url = self._proxy_url
protocol = url[: url.find(":") + 3]
no_protocol = url[len(protocol) :]
auth = no_protocol[: no_protocol.find("@")]
proxy_without_auth = protocol + no_protocol[len(auth) + 1 :]
return proxy_without_auth, auth
def _get_connection_manager(self):
pool_manager_init_args = {"timeout": self._client_config.timeout}
pool_manager_init_args.update(
self._client_config.init_args_for_pool_manager.get("init_args_for_pool_manager", {})
)
if self._client_config.ignore_certificates:
pool_manager_init_args["cert_reqs"] = "CERT_NONE"
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
elif self._client_config.ca_certs:
pool_manager_init_args["cert_reqs"] = "CERT_REQUIRED"
pool_manager_init_args["ca_certs"] = self._client_config.ca_certs
if self._proxy_url:
if self._proxy_url.lower().startswith("sock"):
from urllib3.contrib.socks import SOCKSProxyManager
return SOCKSProxyManager(self._proxy_url, **pool_manager_init_args)
if self._identify_http_proxy_auth():
self._proxy_url, self._basic_proxy_auth = self._separate_http_proxy_auth()
pool_manager_init_args["proxy_headers"] = urllib3.make_headers(proxy_basic_auth=self._basic_proxy_auth)
return urllib3.ProxyManager(self._proxy_url, **pool_manager_init_args)
return urllib3.PoolManager(**pool_manager_init_args)
def __init__(
self,
remote_server_addr: Optional[str] = None,
keep_alive: Optional[bool] = True,
ignore_proxy: Optional[bool] = False,
ignore_certificates: Optional[bool] = False,
init_args_for_pool_manager: Optional[dict] = None,
client_config: Optional[ClientConfig] = None,
):
self._client_config = client_config or ClientConfig(
remote_server_addr=remote_server_addr,
keep_alive=keep_alive,
ignore_certificates=ignore_certificates,
init_args_for_pool_manager=init_args_for_pool_manager,
)
# Keep backward compatibility for AppiumConnection - https://github.com/SeleniumHQ/selenium/issues/14694
RemoteConnection._timeout = self._client_config.timeout
RemoteConnection._ca_certs = self._client_config.ca_certs
RemoteConnection._client_config = self._client_config
if remote_server_addr:
warnings.warn(
"setting remote_server_addr in RemoteConnection() is deprecated, set in ClientConfig instance instead",
DeprecationWarning,
stacklevel=2,
)
if not keep_alive:
warnings.warn(
"setting keep_alive in RemoteConnection() is deprecated, set in ClientConfig instance instead",
DeprecationWarning,
stacklevel=2,
)
if ignore_certificates:
warnings.warn(
"setting ignore_certificates in RemoteConnection() is deprecated, set in ClientConfig instance instead",
DeprecationWarning,
stacklevel=2,
)
if init_args_for_pool_manager:
warnings.warn(
"setting init_args_for_pool_manager in RemoteConnection() is deprecated, set in ClientConfig instance instead",
DeprecationWarning,
stacklevel=2,
)
if ignore_proxy:
warnings.warn(
"setting ignore_proxy in RemoteConnection() is deprecated, set in ClientConfig instance instead",
DeprecationWarning,
stacklevel=2,
)
self._proxy_url = None
else:
self._proxy_url = self._client_config.get_proxy_url()
if self._client_config.keep_alive:
self._conn = self._get_connection_manager()
self._commands = remote_commands
extra_commands = {}
def add_command(self, name, method, url):
"""Register a new command."""
self._commands[name] = (method, url)
def get_command(self, name: str):
"""Retrieve a command if it exists."""
return self._commands.get(name)
def execute(self, command, params):
"""Send a command to the remote server.
Any path substitutions required for the URL mapped to the command should be
included in the command parameters.
:Args:
- command - A string specifying the command to execute.
- params - A dictionary of named parameters to send with the command as
its JSON payload.
"""
command_info = self._commands.get(command) or self.extra_commands.get(command)
assert command_info is not None, f"Unrecognised command {command}"
path_string = command_info[1]
path = string.Template(path_string).substitute(params)
substitute_params = {word[1:] for word in path_string.split("/") if word.startswith("$")} # remove dollar sign
if isinstance(params, dict) and substitute_params:
for word in substitute_params:
del params[word]
data = utils.dump_json(params)
url = f"{self._client_config.remote_server_addr}{path}"
trimmed = self._trim_large_entries(params)
LOGGER.debug("%s %s %s", command_info[0], url, str(trimmed))
return self._request(command_info[0], url, body=data)
def _request(self, method, url, body=None):
"""Send an HTTP request to the remote server.
:Args:
- method - A string for the HTTP method to send the request with.
- url - A string for the URL to send the request to.
- body - A string for request body. Ignored unless method is POST or PUT.
:Returns:
A dictionary with the server's parsed JSON response.
"""
parsed_url = parse.urlparse(url)
headers = self.get_remote_connection_headers(parsed_url, self._client_config.keep_alive)
auth_header = self._client_config.get_auth_header()
if auth_header:
headers.update(auth_header)
if body and method not in ("POST", "PUT"):
body = None
if self._client_config.keep_alive:
response = self._conn.request(method, url, body=body, headers=headers, timeout=self._client_config.timeout)
statuscode = response.status
else:
conn = self._get_connection_manager()
with conn as http:
response = http.request(method, url, body=body, headers=headers, timeout=self._client_config.timeout)
statuscode = response.status
data = response.data.decode("UTF-8")
LOGGER.debug("Remote response: status=%s | data=%s | headers=%s", response.status, data, response.headers)
try:
if 300 <= statuscode < 304:
return self._request("GET", response.headers.get("location", None))
if 399 < statuscode <= 500:
if statuscode == 401:
return {"status": statuscode, "value": "Authorization Required"}
return {"status": statuscode, "value": str(statuscode) if not data else data.strip()}
content_type = []
if response.headers.get("Content-Type", None):
content_type = response.headers.get("Content-Type", None).split(";")
if not any([x.startswith("image/png") for x in content_type]):
try:
data = utils.load_json(data.strip())
except ValueError:
if 199 < statuscode < 300:
status = ErrorCode.SUCCESS
else:
status = ErrorCode.UNKNOWN_ERROR
return {"status": status, "value": data.strip()}
# Some drivers incorrectly return a response
# with no 'value' field when they should return null.
if "value" not in data:
data["value"] = None
return data
data = {"status": 0, "value": data}
return data
finally:
LOGGER.debug("Finished Request")
response.close()
def close(self):
"""Clean up resources when finished with the remote_connection."""
if hasattr(self, "_conn"):
self._conn.clear()
def _trim_large_entries(self, input_dict, max_length=100):
"""Truncate string values in a dictionary if they exceed max_length.
:param dict: Dictionary with potentially large values
:param max_length: Maximum allowed length of string values
:return: Dictionary with truncated string values
"""
output_dictionary = {}
for key, value in input_dict.items():
if isinstance(value, dict):
output_dictionary[key] = self._trim_large_entries(value, max_length)
elif isinstance(value, str) and len(value) > max_length:
output_dictionary[key] = value[:max_length] + "..."
else:
output_dictionary[key] = value
return output_dictionary