PCQRSCANER/venv/Lib/site-packages/selenium/webdriver/remote/remote_connection.py
2019-12-22 21:51:47 +01:00

512 lines
22 KiB
Python

# 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 socket
import string
import base64
try:
import http.client as httplib
from urllib import request as url_request
from urllib import parse
except ImportError: # above is available in py3+, below is py2.7
import httplib as httplib
import urllib2 as url_request
import urlparse as parse
from selenium.webdriver.common import utils as common_utils
from .command import Command
from .errorhandler import ErrorCode
from . import utils
LOGGER = logging.getLogger(__name__)
class Request(url_request.Request):
"""
Extends the url_request.Request to support all HTTP request types.
"""
def __init__(self, url, data=None, method=None):
"""
Initialise a new HTTP request.
:Args:
- url - String for the URL to send the request to.
- data - Data to send with the request.
"""
if method is None:
method = data is not None and 'POST' or 'GET'
elif method != 'POST' and method != 'PUT':
data = None
self._method = method
url_request.Request.__init__(self, url, data=data)
def get_method(self):
"""
Returns the HTTP method used by this request.
"""
return self._method
class Response(object):
"""
Represents an HTTP response.
"""
def __init__(self, fp, code, headers, url):
"""
Initialise a new Response.
:Args:
- fp - The response body file object.
- code - The HTTP status code returned by the server.
- headers - A dictionary of headers returned by the server.
- url - URL of the retrieved resource represented by this Response.
"""
self.fp = fp
self.read = fp.read
self.code = code
self.headers = headers
self.url = url
def close(self):
"""
Close the response body file object.
"""
self.read = None
self.fp = None
def info(self):
"""
Returns the response headers.
"""
return self.headers
def geturl(self):
"""
Returns the URL for the resource returned in this response.
"""
return self.url
class HttpErrorHandler(url_request.HTTPDefaultErrorHandler):
"""
A custom HTTP error handler.
Used to return Response objects instead of raising an HTTPError exception.
"""
def http_error_default(self, req, fp, code, msg, headers):
"""
Default HTTP error handler.
:Args:
- req - The original Request object.
- fp - The response body file object.
- code - The HTTP status code returned by the server.
- msg - The HTTP status message returned by the server.
- headers - The response headers.
:Returns:
A new Response object.
"""
return Response(fp, code, headers, req.get_full_url())
class RemoteConnection(object):
"""A connection with the Remote WebDriver server.
Communicates with the server using the WebDriver wire protocol:
https://github.com/SeleniumHQ/selenium/wiki/JsonWireProtocol"""
_timeout = socket._GLOBAL_DEFAULT_TIMEOUT
@classmethod
def get_timeout(cls):
"""
:Returns:
Timeout value in seconds for all http requests made to the Remote Connection
"""
return None if cls._timeout == socket._GLOBAL_DEFAULT_TIMEOUT else cls._timeout
@classmethod
def set_timeout(cls, timeout):
"""
Override the default timeout
:Args:
- timeout - timeout value for http requests in seconds
"""
cls._timeout = timeout
@classmethod
def reset_timeout(cls):
"""
Reset the http request timeout to socket._GLOBAL_DEFAULT_TIMEOUT
"""
cls._timeout = socket._GLOBAL_DEFAULT_TIMEOUT
def __init__(self, remote_server_addr, keep_alive=False, resolve_ip=True):
# Attempt to resolve the hostname and get an IP address.
self.keep_alive = keep_alive
parsed_url = parse.urlparse(remote_server_addr)
addr = parsed_url.hostname
if parsed_url.hostname and resolve_ip:
port = parsed_url.port or None
ip = common_utils.find_connectable_ip(parsed_url.hostname,
port=port)
if ip:
netloc = ip
addr = netloc
if parsed_url.port:
netloc = common_utils.join_host_port(netloc,
parsed_url.port)
if parsed_url.username:
auth = parsed_url.username
if parsed_url.password:
auth += ':%s' % parsed_url.password
netloc = '%s@%s' % (auth, netloc)
remote_server_addr = parse.urlunparse(
(parsed_url.scheme, netloc, parsed_url.path,
parsed_url.params, parsed_url.query, parsed_url.fragment))
else:
LOGGER.info('Could not get IP address for host: %s' %
parsed_url.hostname)
self._url = remote_server_addr
if keep_alive:
self._conn = httplib.HTTPConnection(
str(addr), str(parsed_url.port), timeout=self._timeout)
self._commands = {
Command.STATUS: ('GET', '/status'),
Command.NEW_SESSION: ('POST', '/session'),
Command.GET_ALL_SESSIONS: ('GET', '/sessions'),
Command.QUIT: ('DELETE', '/session/$sessionId'),
Command.GET_CURRENT_WINDOW_HANDLE:
('GET', '/session/$sessionId/window_handle'),
Command.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/$sessionId/refresh'),
Command.EXECUTE_SCRIPT: ('POST', '/session/$sessionId/execute'),
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/$sessionId/screenshot/$id'),
Command.FIND_ELEMENT: ('POST', '/session/$sessionId/element'),
Command.FIND_ELEMENTS: ('POST', '/session/$sessionId/elements'),
Command.GET_ACTIVE_ELEMENT:
('POST', '/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/$id/clear'),
Command.SUBMIT_ELEMENT: ('POST', '/session/$sessionId/element/$id/submit'),
Command.GET_ELEMENT_TEXT: ('GET', '/session/$sessionId/element/$id/text'),
Command.SEND_KEYS_TO_ELEMENT:
('POST', '/session/$sessionId/element/$id/value'),
Command.SEND_KEYS_TO_ACTIVE_ELEMENT:
('POST', '/session/$sessionId/keys'),
Command.UPLOAD_FILE: ('POST', "/session/$sessionId/file"),
Command.GET_ELEMENT_VALUE:
('GET', '/session/$sessionId/element/$id/value'),
Command.GET_ELEMENT_TAG_NAME:
('GET', '/session/$sessionId/element/$id/name'),
Command.IS_ELEMENT_SELECTED:
('GET', '/session/$sessionId/element/$id/selected'),
Command.SET_ELEMENT_SELECTED:
('POST', '/session/$sessionId/element/$id/selected'),
Command.IS_ELEMENT_ENABLED:
('GET', '/session/$sessionId/element/$id/enabled'),
Command.IS_ELEMENT_DISPLAYED:
('GET', '/session/$sessionId/element/$id/displayed'),
Command.GET_ELEMENT_LOCATION:
('GET', '/session/$sessionId/element/$id/location'),
Command.GET_ELEMENT_LOCATION_ONCE_SCROLLED_INTO_VIEW:
('GET', '/session/$sessionId/element/$id/location_in_view'),
Command.GET_ELEMENT_SIZE:
('GET', '/session/$sessionId/element/$id/size'),
Command.GET_ELEMENT_RECT:
('GET', '/session/$sessionId/element/$id/rect'),
Command.GET_ELEMENT_ATTRIBUTE:
('GET', '/session/$sessionId/element/$id/attribute/$name'),
Command.ELEMENT_EQUALS:
('GET', '/session/$sessionId/element/$id/equals/$other'),
Command.GET_ALL_COOKIES: ('GET', '/session/$sessionId/cookie'),
Command.ADD_COOKIE: ('POST', '/session/$sessionId/cookie'),
Command.DELETE_ALL_COOKIES:
('DELETE', '/session/$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/$sessionId/window'),
Command.CLOSE: ('DELETE', '/session/$sessionId/window'),
Command.GET_ELEMENT_VALUE_OF_CSS_PROPERTY:
('GET', '/session/$sessionId/element/$id/css/$propertyName'),
Command.IMPLICIT_WAIT:
('POST', '/session/$sessionId/timeouts/implicit_wait'),
Command.EXECUTE_ASYNC_SCRIPT: ('POST', '/session/$sessionId/execute_async'),
Command.SET_SCRIPT_TIMEOUT:
('POST', '/session/$sessionId/timeouts/async_script'),
Command.SET_TIMEOUTS:
('POST', '/session/$sessionId/timeouts'),
Command.DISMISS_ALERT:
('POST', '/session/$sessionId/dismiss_alert'),
Command.ACCEPT_ALERT:
('POST', '/session/$sessionId/accept_alert'),
Command.SET_ALERT_VALUE:
('POST', '/session/$sessionId/alert_text'),
Command.GET_ALERT_TEXT:
('GET', '/session/$sessionId/alert_text'),
Command.SET_ALERT_CREDENTIALS:
('POST', '/session/$sessionId/alert/credentials'),
Command.CLICK:
('POST', '/session/$sessionId/click'),
Command.DOUBLE_CLICK:
('POST', '/session/$sessionId/doubleclick'),
Command.MOUSE_DOWN:
('POST', '/session/$sessionId/buttondown'),
Command.MOUSE_UP:
('POST', '/session/$sessionId/buttonup'),
Command.MOVE_TO:
('POST', '/session/$sessionId/moveto'),
Command.GET_WINDOW_SIZE:
('GET', '/session/$sessionId/window/$windowHandle/size'),
Command.W3C_GET_WINDOW_SIZE:
('GET', '/session/$sessionId/window/size'),
Command.SET_WINDOW_SIZE:
('POST', '/session/$sessionId/window/$windowHandle/size'),
Command.W3C_SET_WINDOW_SIZE:
('POST', '/session/$sessionId/window/size'),
Command.GET_WINDOW_POSITION:
('GET', '/session/$sessionId/window/$windowHandle/position'),
Command.SET_WINDOW_POSITION:
('POST', '/session/$sessionId/window/$windowHandle/position'),
Command.MAXIMIZE_WINDOW:
('POST', '/session/$sessionId/window/$windowHandle/maximize'),
Command.W3C_MAXIMIZE_WINDOW:
('POST', '/session/$sessionId/window/maximize'),
Command.SET_SCREEN_ORIENTATION:
('POST', '/session/$sessionId/orientation'),
Command.GET_SCREEN_ORIENTATION:
('GET', '/session/$sessionId/orientation'),
Command.SINGLE_TAP:
('POST', '/session/$sessionId/touch/click'),
Command.TOUCH_DOWN:
('POST', '/session/$sessionId/touch/down'),
Command.TOUCH_UP:
('POST', '/session/$sessionId/touch/up'),
Command.TOUCH_MOVE:
('POST', '/session/$sessionId/touch/move'),
Command.TOUCH_SCROLL:
('POST', '/session/$sessionId/touch/scroll'),
Command.DOUBLE_TAP:
('POST', '/session/$sessionId/touch/doubleclick'),
Command.LONG_PRESS:
('POST', '/session/$sessionId/touch/longclick'),
Command.FLICK:
('POST', '/session/$sessionId/touch/flick'),
Command.EXECUTE_SQL:
('POST', '/session/$sessionId/execute_sql'),
Command.GET_LOCATION:
('GET', '/session/$sessionId/location'),
Command.SET_LOCATION:
('POST', '/session/$sessionId/location'),
Command.GET_APP_CACHE:
('GET', '/session/$sessionId/application_cache'),
Command.GET_APP_CACHE_STATUS:
('GET', '/session/$sessionId/application_cache/status'),
Command.CLEAR_APP_CACHE:
('DELETE', '/session/$sessionId/application_cache/clear'),
Command.GET_NETWORK_CONNECTION:
('GET', '/session/$sessionId/network_connection'),
Command.SET_NETWORK_CONNECTION:
('POST', '/session/$sessionId/network_connection'),
Command.GET_LOCAL_STORAGE_ITEM:
('GET', '/session/$sessionId/local_storage/key/$key'),
Command.REMOVE_LOCAL_STORAGE_ITEM:
('DELETE', '/session/$sessionId/local_storage/key/$key'),
Command.GET_LOCAL_STORAGE_KEYS:
('GET', '/session/$sessionId/local_storage'),
Command.SET_LOCAL_STORAGE_ITEM:
('POST', '/session/$sessionId/local_storage'),
Command.CLEAR_LOCAL_STORAGE:
('DELETE', '/session/$sessionId/local_storage'),
Command.GET_LOCAL_STORAGE_SIZE:
('GET', '/session/$sessionId/local_storage/size'),
Command.GET_SESSION_STORAGE_ITEM:
('GET', '/session/$sessionId/session_storage/key/$key'),
Command.REMOVE_SESSION_STORAGE_ITEM:
('DELETE', '/session/$sessionId/session_storage/key/$key'),
Command.GET_SESSION_STORAGE_KEYS:
('GET', '/session/$sessionId/session_storage'),
Command.SET_SESSION_STORAGE_ITEM:
('POST', '/session/$sessionId/session_storage'),
Command.CLEAR_SESSION_STORAGE:
('DELETE', '/session/$sessionId/session_storage'),
Command.GET_SESSION_STORAGE_SIZE:
('GET', '/session/$sessionId/session_storage/size'),
Command.GET_LOG:
('POST', '/session/$sessionId/log'),
Command.GET_AVAILABLE_LOG_TYPES:
('GET', '/session/$sessionId/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'),
}
def execute(self, command, params):
"""
Send a command to the remote server.
Any path subtitutions 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[command]
assert command_info is not None, 'Unrecognised command %s' % command
data = utils.dump_json(params)
path = string.Template(command_info[1]).substitute(params)
url = '%s%s' % (self._url, path)
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.
"""
LOGGER.debug('%s %s %s' % (method, url, body))
parsed_url = parse.urlparse(url)
if self.keep_alive:
headers = {"Connection": 'keep-alive', method: parsed_url.path,
"User-Agent": "Python http auth",
"Content-type": "application/json;charset=\"UTF-8\"",
"Accept": "application/json"}
if parsed_url.username:
auth = base64.standard_b64encode(('%s:%s' % (
parsed_url.username,
parsed_url.password)).encode('ascii')).decode('ascii').replace('\n', '')
headers["Authorization"] = "Basic %s" % auth
if body and method != 'POST' and method != 'PUT':
body = None
try:
self._conn.request(method, parsed_url.path, body, headers)
resp = self._conn.getresponse()
except (httplib.HTTPException, socket.error):
self._conn.close()
raise
statuscode = resp.status
else:
password_manager = None
if parsed_url.username:
netloc = parsed_url.hostname
if parsed_url.port:
netloc += ":%s" % parsed_url.port
cleaned_url = parse.urlunparse((
parsed_url.scheme,
netloc,
parsed_url.path,
parsed_url.params,
parsed_url.query,
parsed_url.fragment))
password_manager = url_request.HTTPPasswordMgrWithDefaultRealm()
password_manager.add_password(None,
"%s://%s" % (parsed_url.scheme, netloc),
parsed_url.username,
parsed_url.password)
request = Request(cleaned_url, data=body.encode('utf-8'), method=method)
else:
request = Request(url, data=body.encode('utf-8'), method=method)
request.add_header('Accept', 'application/json')
request.add_header('Content-Type', 'application/json;charset=UTF-8')
if password_manager:
opener = url_request.build_opener(url_request.HTTPRedirectHandler(),
HttpErrorHandler(),
url_request.HTTPBasicAuthHandler(password_manager))
else:
opener = url_request.build_opener(url_request.HTTPRedirectHandler(),
HttpErrorHandler())
resp = opener.open(request, timeout=self._timeout)
statuscode = resp.code
if not hasattr(resp, 'getheader'):
if hasattr(resp.headers, 'getheader'):
resp.getheader = lambda x: resp.headers.getheader(x)
elif hasattr(resp.headers, 'get'):
resp.getheader = lambda x: resp.headers.get(x)
data = resp.read()
try:
if 300 <= statuscode < 304:
return self._request('GET', resp.getheader('location'))
body = data.decode('utf-8').replace('\x00', '').strip()
if 399 < statuscode <= 500:
return {'status': statuscode, 'value': body}
content_type = []
if resp.getheader('Content-Type') is not None:
content_type = resp.getheader('Content-Type').split(';')
if not any([x.startswith('image/png') for x in content_type]):
try:
data = utils.load_json(body.strip())
except ValueError:
if 199 < statuscode < 300:
status = ErrorCode.SUCCESS
else:
status = ErrorCode.UNKNOWN_ERROR
return {'status': status, 'value': body.strip()}
assert type(data) is dict, (
'Invalid server response body: %s' % body)
# Some of the drivers incorrectly return a response
# with no 'value' field when they should return null.
if 'value' not in data:
data['value'] = None
return data
else:
data = {'status': 0, 'value': body.strip()}
return data
finally:
LOGGER.debug("Finished Request")
resp.close()