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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.
"""
The Proxy implementation.
"""
class ProxyTypeFactory:
"""
Factory for proxy types.
"""
@staticmethod
def make(ff_value, string):
return {"ff_value": ff_value, "string": string}
class ProxyType:
"""
Set of possible types of proxy.
Each proxy type has 2 properties:
'ff_value' is value of Firefox profile preference,
'string' is id of proxy type.
"""
DIRECT = ProxyTypeFactory.make(0, "DIRECT") # Direct connection, no proxy (default on Windows).
MANUAL = ProxyTypeFactory.make(1, "MANUAL") # Manual proxy settings (e.g., for httpProxy).
PAC = ProxyTypeFactory.make(2, "PAC") # Proxy autoconfiguration from URL.
RESERVED_1 = ProxyTypeFactory.make(3, "RESERVED1") # Never used.
AUTODETECT = ProxyTypeFactory.make(4, "AUTODETECT") # Proxy autodetection (presumably with WPAD).
SYSTEM = ProxyTypeFactory.make(5, "SYSTEM") # Use system settings (default on Linux).
UNSPECIFIED = ProxyTypeFactory.make(6, "UNSPECIFIED") # Not initialized (for internal use).
@classmethod
def load(cls, value):
if isinstance(value, dict) and "string" in value:
value = value["string"]
value = str(value).upper()
for attr in dir(cls):
attr_value = getattr(cls, attr)
if isinstance(attr_value, dict) and "string" in attr_value and attr_value["string"] == value:
return attr_value
raise Exception(f"No proxy type is found for {value}")
class Proxy:
"""
Proxy contains information about proxy type and necessary proxy settings.
"""
proxyType = ProxyType.UNSPECIFIED
autodetect = False
ftpProxy = ""
httpProxy = ""
noProxy = ""
proxyAutoconfigUrl = ""
sslProxy = ""
socksProxy = ""
socksUsername = ""
socksPassword = ""
socksVersion = None
def __init__(self, raw=None):
"""
Creates a new Proxy.
:Args:
- raw: raw proxy data. If None, default class values are used.
"""
if raw:
if "proxyType" in raw and raw["proxyType"]:
self.proxy_type = ProxyType.load(raw["proxyType"])
if "ftpProxy" in raw and raw["ftpProxy"]:
self.ftp_proxy = raw["ftpProxy"]
if "httpProxy" in raw and raw["httpProxy"]:
self.http_proxy = raw["httpProxy"]
if "noProxy" in raw and raw["noProxy"]:
self.no_proxy = raw["noProxy"]
if "proxyAutoconfigUrl" in raw and raw["proxyAutoconfigUrl"]:
self.proxy_autoconfig_url = raw["proxyAutoconfigUrl"]
if "sslProxy" in raw and raw["sslProxy"]:
self.sslProxy = raw["sslProxy"]
if "autodetect" in raw and raw["autodetect"]:
self.auto_detect = raw["autodetect"]
if "socksProxy" in raw and raw["socksProxy"]:
self.socks_proxy = raw["socksProxy"]
if "socksUsername" in raw and raw["socksUsername"]:
self.socks_username = raw["socksUsername"]
if "socksPassword" in raw and raw["socksPassword"]:
self.socks_password = raw["socksPassword"]
if "socksVersion" in raw and raw["socksVersion"]:
self.socks_version = raw["socksVersion"]
@property
def proxy_type(self):
"""
Returns proxy type as `ProxyType`.
"""
return self.proxyType
@proxy_type.setter
def proxy_type(self, value) -> None:
"""
Sets proxy type.
:Args:
- value: The proxy type.
"""
self._verify_proxy_type_compatibility(value)
self.proxyType = value
@property
def auto_detect(self):
"""
Returns autodetect setting.
"""
return self.autodetect
@auto_detect.setter
def auto_detect(self, value) -> None:
"""
Sets autodetect setting.
:Args:
- value: The autodetect value.
"""
if isinstance(value, bool):
if self.autodetect is not value:
self._verify_proxy_type_compatibility(ProxyType.AUTODETECT)
self.proxyType = ProxyType.AUTODETECT
self.autodetect = value
else:
raise ValueError("Autodetect proxy value needs to be a boolean")
@property
def ftp_proxy(self):
"""
Returns ftp proxy setting.
"""
return self.ftpProxy
@ftp_proxy.setter
def ftp_proxy(self, value) -> None:
"""
Sets ftp proxy setting.
:Args:
- value: The ftp proxy value.
"""
self._verify_proxy_type_compatibility(ProxyType.MANUAL)
self.proxyType = ProxyType.MANUAL
self.ftpProxy = value
@property
def http_proxy(self):
"""
Returns http proxy setting.
"""
return self.httpProxy
@http_proxy.setter
def http_proxy(self, value) -> None:
"""
Sets http proxy setting.
:Args:
- value: The http proxy value.
"""
self._verify_proxy_type_compatibility(ProxyType.MANUAL)
self.proxyType = ProxyType.MANUAL
self.httpProxy = value
@property
def no_proxy(self):
"""
Returns noproxy setting.
"""
return self.noProxy
@no_proxy.setter
def no_proxy(self, value) -> None:
"""
Sets noproxy setting.
:Args:
- value: The noproxy value.
"""
self._verify_proxy_type_compatibility(ProxyType.MANUAL)
self.proxyType = ProxyType.MANUAL
self.noProxy = value
@property
def proxy_autoconfig_url(self):
"""
Returns proxy autoconfig url setting.
"""
return self.proxyAutoconfigUrl
@proxy_autoconfig_url.setter
def proxy_autoconfig_url(self, value) -> None:
"""
Sets proxy autoconfig url setting.
:Args:
- value: The proxy autoconfig url value.
"""
self._verify_proxy_type_compatibility(ProxyType.PAC)
self.proxyType = ProxyType.PAC
self.proxyAutoconfigUrl = value
@property
def ssl_proxy(self):
"""
Returns https proxy setting.
"""
return self.sslProxy
@ssl_proxy.setter
def ssl_proxy(self, value) -> None:
"""
Sets https proxy setting.
:Args:
- value: The https proxy value.
"""
self._verify_proxy_type_compatibility(ProxyType.MANUAL)
self.proxyType = ProxyType.MANUAL
self.sslProxy = value
@property
def socks_proxy(self):
"""
Returns socks proxy setting.
"""
return self.socksProxy
@socks_proxy.setter
def socks_proxy(self, value) -> None:
"""
Sets socks proxy setting.
:Args:
- value: The socks proxy value.
"""
self._verify_proxy_type_compatibility(ProxyType.MANUAL)
self.proxyType = ProxyType.MANUAL
self.socksProxy = value
@property
def socks_username(self):
"""
Returns socks proxy username setting.
"""
return self.socksUsername
@socks_username.setter
def socks_username(self, value) -> None:
"""
Sets socks proxy username setting.
:Args:
- value: The socks proxy username value.
"""
self._verify_proxy_type_compatibility(ProxyType.MANUAL)
self.proxyType = ProxyType.MANUAL
self.socksUsername = value
@property
def socks_password(self):
"""
Returns socks proxy password setting.
"""
return self.socksPassword
@socks_password.setter
def socks_password(self, value) -> None:
"""
Sets socks proxy password setting.
:Args:
- value: The socks proxy password value.
"""
self._verify_proxy_type_compatibility(ProxyType.MANUAL)
self.proxyType = ProxyType.MANUAL
self.socksPassword = value
@property
def socks_version(self):
"""
Returns socks proxy version setting.
"""
return self.socksVersion
@socks_version.setter
def socks_version(self, value) -> None:
"""
Sets socks proxy version setting.
:Args:
- value: The socks proxy version value.
"""
self._verify_proxy_type_compatibility(ProxyType.MANUAL)
self.proxyType = ProxyType.MANUAL
self.socksVersion = value
def _verify_proxy_type_compatibility(self, compatible_proxy):
if self.proxyType not in (ProxyType.UNSPECIFIED, compatible_proxy):
raise Exception(
f"Specified proxy type ({compatible_proxy}) not compatible with current setting ({self.proxyType})"
)
def add_to_capabilities(self, capabilities):
"""
Adds proxy information as capability in specified capabilities.
:Args:
- capabilities: The capabilities to which proxy will be added.
"""
proxy_caps = {}
proxy_caps["proxyType"] = self.proxyType["string"]
if self.autodetect:
proxy_caps["autodetect"] = self.autodetect
if self.ftpProxy:
proxy_caps["ftpProxy"] = self.ftpProxy
if self.httpProxy:
proxy_caps["httpProxy"] = self.httpProxy
if self.proxyAutoconfigUrl:
proxy_caps["proxyAutoconfigUrl"] = self.proxyAutoconfigUrl
if self.sslProxy:
proxy_caps["sslProxy"] = self.sslProxy
if self.noProxy:
proxy_caps["noProxy"] = self.noProxy
if self.socksProxy:
proxy_caps["socksProxy"] = self.socksProxy
if self.socksUsername:
proxy_caps["socksUsername"] = self.socksUsername
if self.socksPassword:
proxy_caps["socksPassword"] = self.socksPassword
if self.socksVersion:
proxy_caps["socksVersion"] = self.socksVersion
capabilities["proxy"] = proxy_caps