382 lines
14 KiB
Python
382 lines
14 KiB
Python
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# Licensed to the Software Freedom Conservancy (SFC) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The SFC licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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from __future__ import with_statement
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import base64
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import copy
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import json
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import os
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import re
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import shutil
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import sys
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import tempfile
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import zipfile
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try:
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from cStringIO import StringIO as BytesIO
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except ImportError:
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from io import BytesIO
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from xml.dom import minidom
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from selenium.webdriver.common.proxy import ProxyType
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from selenium.common.exceptions import WebDriverException
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WEBDRIVER_EXT = "webdriver.xpi"
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WEBDRIVER_PREFERENCES = "webdriver_prefs.json"
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EXTENSION_NAME = "fxdriver@googlecode.com"
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class AddonFormatError(Exception):
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"""Exception for not well-formed add-on manifest files"""
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class FirefoxProfile(object):
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ANONYMOUS_PROFILE_NAME = "WEBDRIVER_ANONYMOUS_PROFILE"
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DEFAULT_PREFERENCES = None
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def __init__(self, profile_directory=None):
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"""
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Initialises a new instance of a Firefox Profile
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:args:
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- profile_directory: Directory of profile that you want to use.
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This defaults to None and will create a new
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directory when object is created.
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"""
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if not FirefoxProfile.DEFAULT_PREFERENCES:
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with open(os.path.join(os.path.dirname(__file__),
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WEBDRIVER_PREFERENCES)) as default_prefs:
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FirefoxProfile.DEFAULT_PREFERENCES = json.load(default_prefs)
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self.default_preferences = copy.deepcopy(
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FirefoxProfile.DEFAULT_PREFERENCES['mutable'])
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self.native_events_enabled = True
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self.profile_dir = profile_directory
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self.tempfolder = None
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if self.profile_dir is None:
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self.profile_dir = self._create_tempfolder()
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else:
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self.tempfolder = tempfile.mkdtemp()
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newprof = os.path.join(self.tempfolder, "webdriver-py-profilecopy")
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shutil.copytree(self.profile_dir, newprof,
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ignore=shutil.ignore_patterns("parent.lock", "lock", ".parentlock"))
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self.profile_dir = newprof
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self._read_existing_userjs(os.path.join(self.profile_dir, "user.js"))
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self.extensionsDir = os.path.join(self.profile_dir, "extensions")
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self.userPrefs = os.path.join(self.profile_dir, "user.js")
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# Public Methods
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def set_preference(self, key, value):
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"""
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sets the preference that we want in the profile.
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"""
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self.default_preferences[key] = value
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def add_extension(self, extension=WEBDRIVER_EXT):
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self._install_extension(extension)
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def update_preferences(self):
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for key, value in FirefoxProfile.DEFAULT_PREFERENCES['frozen'].items():
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self.default_preferences[key] = value
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self._write_user_prefs(self.default_preferences)
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# Properties
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@property
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def path(self):
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"""
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Gets the profile directory that is currently being used
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"""
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return self.profile_dir
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@property
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def port(self):
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"""
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Gets the port that WebDriver is working on
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"""
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return self._port
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@port.setter
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def port(self, port):
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"""
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Sets the port that WebDriver will be running on
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"""
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if not isinstance(port, int):
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raise WebDriverException("Port needs to be an integer")
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try:
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port = int(port)
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if port < 1 or port > 65535:
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raise WebDriverException("Port number must be in the range 1..65535")
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except (ValueError, TypeError):
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raise WebDriverException("Port needs to be an integer")
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self._port = port
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self.set_preference("webdriver_firefox_port", self._port)
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@property
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def accept_untrusted_certs(self):
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return self.default_preferences["webdriver_accept_untrusted_certs"]
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@accept_untrusted_certs.setter
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def accept_untrusted_certs(self, value):
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if value not in [True, False]:
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raise WebDriverException("Please pass in a Boolean to this call")
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self.set_preference("webdriver_accept_untrusted_certs", value)
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@property
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def assume_untrusted_cert_issuer(self):
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return self.default_preferences["webdriver_assume_untrusted_issuer"]
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@assume_untrusted_cert_issuer.setter
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def assume_untrusted_cert_issuer(self, value):
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if value not in [True, False]:
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raise WebDriverException("Please pass in a Boolean to this call")
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self.set_preference("webdriver_assume_untrusted_issuer", value)
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@property
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def native_events_enabled(self):
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return self.default_preferences['webdriver_enable_native_events']
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@native_events_enabled.setter
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def native_events_enabled(self, value):
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if value not in [True, False]:
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raise WebDriverException("Please pass in a Boolean to this call")
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self.set_preference("webdriver_enable_native_events", value)
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@property
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def encoded(self):
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"""
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A zipped, base64 encoded string of profile directory
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for use with remote WebDriver JSON wire protocol
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"""
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self.update_preferences()
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fp = BytesIO()
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zipped = zipfile.ZipFile(fp, 'w', zipfile.ZIP_DEFLATED)
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path_root = len(self.path) + 1 # account for trailing slash
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for base, dirs, files in os.walk(self.path):
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for fyle in files:
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filename = os.path.join(base, fyle)
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zipped.write(filename, filename[path_root:])
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zipped.close()
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return base64.b64encode(fp.getvalue()).decode('UTF-8')
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def set_proxy(self, proxy):
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import warnings
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warnings.warn(
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"This method has been deprecated. Please pass in the proxy object to the Driver Object",
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DeprecationWarning)
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if proxy is None:
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raise ValueError("proxy can not be None")
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if proxy.proxy_type is ProxyType.UNSPECIFIED:
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return
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self.set_preference("network.proxy.type", proxy.proxy_type['ff_value'])
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if proxy.proxy_type is ProxyType.MANUAL:
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self.set_preference("network.proxy.no_proxies_on", proxy.no_proxy)
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self._set_manual_proxy_preference("ftp", proxy.ftp_proxy)
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self._set_manual_proxy_preference("http", proxy.http_proxy)
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self._set_manual_proxy_preference("ssl", proxy.ssl_proxy)
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self._set_manual_proxy_preference("socks", proxy.socks_proxy)
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elif proxy.proxy_type is ProxyType.PAC:
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self.set_preference("network.proxy.autoconfig_url", proxy.proxy_autoconfig_url)
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def _set_manual_proxy_preference(self, key, setting):
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if setting is None or setting is '':
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return
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host_details = setting.split(":")
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self.set_preference("network.proxy.%s" % key, host_details[0])
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if len(host_details) > 1:
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self.set_preference("network.proxy.%s_port" % key, int(host_details[1]))
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def _create_tempfolder(self):
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"""
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Creates a temp folder to store User.js and the extension
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"""
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return tempfile.mkdtemp()
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def _write_user_prefs(self, user_prefs):
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"""
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writes the current user prefs dictionary to disk
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"""
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with open(self.userPrefs, "w") as f:
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for key, value in user_prefs.items():
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f.write('user_pref("%s", %s);\n' % (key, json.dumps(value)))
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def _read_existing_userjs(self, userjs):
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import warnings
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PREF_RE = re.compile(r'user_pref\("(.*)",\s(.*)\)')
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try:
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with open(userjs) as f:
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for usr in f:
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matches = re.search(PREF_RE, usr)
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try:
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self.default_preferences[matches.group(1)] = json.loads(matches.group(2))
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except:
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warnings.warn("(skipping) failed to json.loads existing preference: " +
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matches.group(1) + matches.group(2))
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except:
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# The profile given hasn't had any changes made, i.e no users.js
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pass
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def _install_extension(self, addon, unpack=True):
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"""
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Installs addon from a filepath, url
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or directory of addons in the profile.
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- path: url, path to .xpi, or directory of addons
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- unpack: whether to unpack unless specified otherwise in the install.rdf
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"""
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if addon == WEBDRIVER_EXT:
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addon = os.path.join(os.path.dirname(__file__), WEBDRIVER_EXT)
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tmpdir = None
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xpifile = None
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if addon.endswith('.xpi'):
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tmpdir = tempfile.mkdtemp(suffix='.' + os.path.split(addon)[-1])
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compressed_file = zipfile.ZipFile(addon, 'r')
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for name in compressed_file.namelist():
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if name.endswith('/'):
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if not os.path.isdir(os.path.join(tmpdir, name)):
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os.makedirs(os.path.join(tmpdir, name))
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else:
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if not os.path.isdir(os.path.dirname(os.path.join(tmpdir, name))):
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os.makedirs(os.path.dirname(os.path.join(tmpdir, name)))
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data = compressed_file.read(name)
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with open(os.path.join(tmpdir, name), 'wb') as f:
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f.write(data)
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xpifile = addon
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addon = tmpdir
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# determine the addon id
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addon_details = self._addon_details(addon)
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addon_id = addon_details.get('id')
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assert addon_id, 'The addon id could not be found: %s' % addon
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# copy the addon to the profile
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extensions_path = os.path.join(self.profile_dir, 'extensions')
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addon_path = os.path.join(extensions_path, addon_id)
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if not unpack and not addon_details['unpack'] and xpifile:
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if not os.path.exists(extensions_path):
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os.makedirs(extensions_path)
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shutil.copy(xpifile, addon_path + '.xpi')
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else:
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if not os.path.exists(addon_path):
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shutil.copytree(addon, addon_path, symlinks=True)
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# remove the temporary directory, if any
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if tmpdir:
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shutil.rmtree(tmpdir)
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def _addon_details(self, addon_path):
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"""
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Returns a dictionary of details about the addon.
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:param addon_path: path to the add-on directory or XPI
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Returns::
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{'id': u'rainbow@colors.org', # id of the addon
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'version': u'1.4', # version of the addon
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'name': u'Rainbow', # name of the addon
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'unpack': False } # whether to unpack the addon
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"""
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details = {
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'id': None,
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'unpack': False,
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'name': None,
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'version': None
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}
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def get_namespace_id(doc, url):
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attributes = doc.documentElement.attributes
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namespace = ""
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for i in range(attributes.length):
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if attributes.item(i).value == url:
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if ":" in attributes.item(i).name:
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# If the namespace is not the default one remove 'xlmns:'
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namespace = attributes.item(i).name.split(':')[1] + ":"
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break
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return namespace
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def get_text(element):
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"""Retrieve the text value of a given node"""
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rc = []
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for node in element.childNodes:
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if node.nodeType == node.TEXT_NODE:
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rc.append(node.data)
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return ''.join(rc).strip()
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if not os.path.exists(addon_path):
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raise IOError('Add-on path does not exist: %s' % addon_path)
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try:
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if zipfile.is_zipfile(addon_path):
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# Bug 944361 - We cannot use 'with' together with zipFile because
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# it will cause an exception thrown in Python 2.6.
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try:
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compressed_file = zipfile.ZipFile(addon_path, 'r')
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manifest = compressed_file.read('install.rdf')
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finally:
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compressed_file.close()
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elif os.path.isdir(addon_path):
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with open(os.path.join(addon_path, 'install.rdf'), 'r') as f:
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manifest = f.read()
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else:
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raise IOError('Add-on path is neither an XPI nor a directory: %s' % addon_path)
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except (IOError, KeyError) as e:
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raise AddonFormatError(str(e), sys.exc_info()[2])
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try:
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doc = minidom.parseString(manifest)
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# Get the namespaces abbreviations
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em = get_namespace_id(doc, 'http://www.mozilla.org/2004/em-rdf#')
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rdf = get_namespace_id(doc, 'http://www.w3.org/1999/02/22-rdf-syntax-ns#')
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description = doc.getElementsByTagName(rdf + 'Description').item(0)
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if description is None:
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description = doc.getElementsByTagName('Description').item(0)
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for node in description.childNodes:
|
||
|
|
# Remove the namespace prefix from the tag for comparison
|
||
|
|
entry = node.nodeName.replace(em, "")
|
||
|
|
if entry in details.keys():
|
||
|
|
details.update({entry: get_text(node)})
|
||
|
|
if details.get('id') is None:
|
||
|
|
for i in range(description.attributes.length):
|
||
|
|
attribute = description.attributes.item(i)
|
||
|
|
if attribute.name == em + 'id':
|
||
|
|
details.update({'id': attribute.value})
|
||
|
|
except Exception as e:
|
||
|
|
raise AddonFormatError(str(e), sys.exc_info()[2])
|
||
|
|
|
||
|
|
# turn unpack into a true/false value
|
||
|
|
if isinstance(details['unpack'], str):
|
||
|
|
details['unpack'] = details['unpack'].lower() == 'true'
|
||
|
|
|
||
|
|
# If no ID is set, the add-on is invalid
|
||
|
|
if details.get('id') is None:
|
||
|
|
raise AddonFormatError('Add-on id could not be found.')
|
||
|
|
|
||
|
|
return details
|