mirror of
https://github.com/benbusby/whoogle-search
synced 2024-11-04 18:00:25 +00:00
348 lines
12 KiB
Python
348 lines
12 KiB
Python
from app.models.config import Config
|
|
from app.utils.misc import read_config_bool
|
|
from datetime import datetime
|
|
from defusedxml import ElementTree as ET
|
|
import random
|
|
import requests
|
|
from requests import Response, ConnectionError
|
|
import urllib.parse as urlparse
|
|
import os
|
|
from stem import Signal, SocketError
|
|
from stem.connection import AuthenticationFailure
|
|
from stem.control import Controller
|
|
from stem.connection import authenticate_cookie, authenticate_password
|
|
|
|
MAPS_URL = 'https://maps.google.com/maps'
|
|
AUTOCOMPLETE_URL = ('https://suggestqueries.google.com/'
|
|
'complete/search?client=toolbar&')
|
|
|
|
MOBILE_UA = '{}/5.0 (Android 0; Mobile; rv:54.0) Gecko/54.0 {}/59.0'
|
|
DESKTOP_UA = '{}/5.0 (X11; {} x86_64; rv:75.0) Gecko/20100101 {}/75.0'
|
|
|
|
# Valid query params
|
|
VALID_PARAMS = ['tbs', 'tbm', 'start', 'near', 'source', 'nfpr']
|
|
|
|
|
|
class TorError(Exception):
|
|
"""Exception raised for errors in Tor requests.
|
|
|
|
Attributes:
|
|
message: a message describing the error that occurred
|
|
disable: optionally disables Tor in the user config (note:
|
|
this should only happen if the connection has been dropped
|
|
altogether).
|
|
"""
|
|
|
|
def __init__(self, message, disable=False) -> None:
|
|
self.message = message
|
|
self.disable = disable
|
|
super().__init__(message)
|
|
|
|
|
|
def send_tor_signal(signal: Signal) -> bool:
|
|
use_pass = read_config_bool('WHOOGLE_TOR_USE_PASS')
|
|
|
|
confloc = './misc/tor/control.conf'
|
|
# Check that the custom location of conf is real.
|
|
temp = os.getenv('WHOOGLE_TOR_CONF', '')
|
|
if os.path.isfile(temp):
|
|
confloc = temp
|
|
|
|
# Attempt to authenticate and send signal.
|
|
try:
|
|
with Controller.from_port(port=9051) as c:
|
|
if use_pass:
|
|
with open(confloc, "r") as conf:
|
|
# Scan for the last line of the file.
|
|
for line in conf:
|
|
pass
|
|
secret = line.strip('\n')
|
|
authenticate_password(c, password=secret)
|
|
else:
|
|
cookie_path = '/var/lib/tor/control_auth_cookie'
|
|
authenticate_cookie(c, cookie_path=cookie_path)
|
|
c.signal(signal)
|
|
os.environ['TOR_AVAILABLE'] = '1'
|
|
return True
|
|
except (SocketError, AuthenticationFailure,
|
|
ConnectionRefusedError, ConnectionError):
|
|
# TODO: Handle Tor authentication (password and cookie)
|
|
os.environ['TOR_AVAILABLE'] = '0'
|
|
|
|
return False
|
|
|
|
|
|
def gen_user_agent(is_mobile) -> str:
|
|
firefox = random.choice(['Choir', 'Squier', 'Higher', 'Wire']) + 'fox'
|
|
linux = random.choice(['Win', 'Sin', 'Gin', 'Fin', 'Kin']) + 'ux'
|
|
|
|
if is_mobile:
|
|
return MOBILE_UA.format("Mozilla", firefox)
|
|
|
|
return DESKTOP_UA.format("Mozilla", linux, firefox)
|
|
|
|
|
|
def gen_query(query, args, config) -> str:
|
|
param_dict = {key: '' for key in VALID_PARAMS}
|
|
|
|
# Use :past(hour/day/week/month/year) if available
|
|
# example search "new restaurants :past month"
|
|
lang = ''
|
|
if ':past' in query and 'tbs' not in args:
|
|
time_range = str.strip(query.split(':past', 1)[-1])
|
|
param_dict['tbs'] = '&tbs=' + ('qdr:' + str.lower(time_range[0]))
|
|
elif 'tbs' in args:
|
|
result_tbs = args.get('tbs')
|
|
param_dict['tbs'] = '&tbs=' + result_tbs
|
|
|
|
# Occasionally the 'tbs' param provided by google also contains a
|
|
# field for 'lr', but formatted strangely. This is a rough solution
|
|
# for this.
|
|
#
|
|
# Example:
|
|
# &tbs=qdr:h,lr:lang_1pl
|
|
# -- the lr param needs to be extracted and remove the leading '1'
|
|
result_params = [_ for _ in result_tbs.split(',') if 'lr:' in _]
|
|
if len(result_params) > 0:
|
|
result_param = result_params[0]
|
|
lang = result_param[result_param.find('lr:') + 3:len(result_param)]
|
|
|
|
# Ensure search query is parsable
|
|
query = urlparse.quote(query)
|
|
|
|
# Pass along type of results (news, images, books, etc)
|
|
if 'tbm' in args:
|
|
param_dict['tbm'] = '&tbm=' + args.get('tbm')
|
|
|
|
# Get results page start value (10 per page, ie page 2 start val = 20)
|
|
if 'start' in args:
|
|
param_dict['start'] = '&start=' + args.get('start')
|
|
|
|
# Search for results near a particular city, if available
|
|
if config.near:
|
|
param_dict['near'] = '&near=' + urlparse.quote(config.near)
|
|
|
|
# Set language for results (lr) if source isn't set, otherwise use the
|
|
# result language param provided in the results
|
|
if 'source' in args:
|
|
param_dict['source'] = '&source=' + args.get('source')
|
|
param_dict['lr'] = ('&lr=' + ''.join(
|
|
[_ for _ in lang if not _.isdigit()]
|
|
)) if lang else ''
|
|
else:
|
|
param_dict['lr'] = (
|
|
'&lr=' + config.lang_search
|
|
) if config.lang_search else ''
|
|
|
|
# 'nfpr' defines the exclusion of results from an auto-corrected query
|
|
if 'nfpr' in args:
|
|
param_dict['nfpr'] = '&nfpr=' + args.get('nfpr')
|
|
|
|
# 'chips' is used in image tabs to pass the optional 'filter' to add to the
|
|
# given search term
|
|
if 'chips' in args:
|
|
param_dict['chips'] = '&chips=' + args.get('chips')
|
|
|
|
param_dict['gl'] = (
|
|
'&gl=' + config.country
|
|
) if config.country else ''
|
|
param_dict['hl'] = (
|
|
'&hl=' + config.lang_interface.replace('lang_', '')
|
|
) if config.lang_interface else ''
|
|
param_dict['safe'] = '&safe=' + ('active' if config.safe else 'off')
|
|
|
|
# Block all sites specified in the user config
|
|
unquoted_query = urlparse.unquote(query)
|
|
for blocked_site in config.block.replace(' ', '').split(','):
|
|
if not blocked_site:
|
|
continue
|
|
block = (' -site:' + blocked_site)
|
|
query += block if block not in unquoted_query else ''
|
|
|
|
for val in param_dict.values():
|
|
if not val:
|
|
continue
|
|
query += val
|
|
|
|
return query
|
|
|
|
|
|
class Request:
|
|
"""Class used for handling all outbound requests, including search queries,
|
|
search suggestions, and loading of external content (images, audio, etc).
|
|
|
|
Attributes:
|
|
normal_ua: the user's current user agent
|
|
root_path: the root path of the whoogle instance
|
|
config: the user's current whoogle configuration
|
|
"""
|
|
|
|
def __init__(self, normal_ua, root_path, config: Config):
|
|
self.search_url = 'https://www.google.com/search?gbv=1&num=' + str(
|
|
os.getenv('WHOOGLE_RESULTS_PER_PAGE', 10)) + '&q='
|
|
# Send heartbeat to Tor, used in determining if the user can or cannot
|
|
# enable Tor for future requests
|
|
send_tor_signal(Signal.HEARTBEAT)
|
|
|
|
self.language = (
|
|
config.lang_search if config.lang_search else ''
|
|
)
|
|
|
|
self.country = config.country if config.country else ''
|
|
|
|
# For setting Accept-language Header
|
|
self.lang_interface = ''
|
|
if config.accept_language:
|
|
self.lang_interface = config.lang_interface
|
|
|
|
self.mobile = bool(normal_ua) and ('Android' in normal_ua
|
|
or 'iPhone' in normal_ua)
|
|
self.modified_user_agent = gen_user_agent(self.mobile)
|
|
if not self.mobile:
|
|
self.modified_user_agent_mobile = gen_user_agent(True)
|
|
|
|
# Set up proxy, if previously configured
|
|
proxy_path = os.environ.get('WHOOGLE_PROXY_LOC', '')
|
|
if proxy_path:
|
|
proxy_type = os.environ.get('WHOOGLE_PROXY_TYPE', '')
|
|
proxy_user = os.environ.get('WHOOGLE_PROXY_USER', '')
|
|
proxy_pass = os.environ.get('WHOOGLE_PROXY_PASS', '')
|
|
auth_str = ''
|
|
if proxy_user:
|
|
auth_str = proxy_user + ':' + proxy_pass
|
|
self.proxies = {
|
|
'https': proxy_type + '://' +
|
|
((auth_str + '@') if auth_str else '') + proxy_path,
|
|
}
|
|
|
|
# Need to ensure both HTTP and HTTPS are in the proxy dict,
|
|
# regardless of underlying protocol
|
|
if proxy_type == 'https':
|
|
self.proxies['http'] = self.proxies['https'].replace(
|
|
'https', 'http')
|
|
else:
|
|
self.proxies['http'] = self.proxies['https']
|
|
else:
|
|
self.proxies = {
|
|
'http': 'socks5://127.0.0.1:9050',
|
|
'https': 'socks5://127.0.0.1:9050'
|
|
} if config.tor else {}
|
|
self.tor = config.tor
|
|
self.tor_valid = False
|
|
self.root_path = root_path
|
|
|
|
def __getitem__(self, name):
|
|
return getattr(self, name)
|
|
|
|
def autocomplete(self, query) -> list:
|
|
"""Sends a query to Google's search suggestion service
|
|
|
|
Args:
|
|
query: The in-progress query to send
|
|
|
|
Returns:
|
|
list: The list of matches for possible search suggestions
|
|
|
|
"""
|
|
ac_query = dict(q=query)
|
|
if self.language:
|
|
ac_query['lr'] = self.language
|
|
if self.country:
|
|
ac_query['gl'] = self.country
|
|
if self.lang_interface:
|
|
ac_query['hl'] = self.lang_interface
|
|
|
|
response = self.send(base_url=AUTOCOMPLETE_URL,
|
|
query=urlparse.urlencode(ac_query)).text
|
|
|
|
if not response:
|
|
return []
|
|
|
|
try:
|
|
root = ET.fromstring(response)
|
|
return [_.attrib['data'] for _ in
|
|
root.findall('.//suggestion/[@data]')]
|
|
except ET.ParseError:
|
|
# Malformed XML response
|
|
return []
|
|
|
|
def send(self, base_url='', query='', attempt=0,
|
|
force_mobile=False) -> Response:
|
|
"""Sends an outbound request to a URL. Optionally sends the request
|
|
using Tor, if enabled by the user.
|
|
|
|
Args:
|
|
base_url: The URL to use in the request
|
|
query: The optional query string for the request
|
|
attempt: The number of attempts made for the request
|
|
(used for cycling through Tor identities, if enabled)
|
|
force_mobile: Optional flag to enable a mobile user agent
|
|
(used for fetching full size images in search results)
|
|
|
|
Returns:
|
|
Response: The Response object returned by the requests call
|
|
|
|
"""
|
|
if force_mobile and not self.mobile:
|
|
modified_user_agent = self.modified_user_agent_mobile
|
|
else:
|
|
modified_user_agent = self.modified_user_agent
|
|
|
|
headers = {
|
|
'User-Agent': modified_user_agent
|
|
}
|
|
|
|
# Adding the Accept-Language to the Header if possible
|
|
if self.lang_interface:
|
|
headers.update({'Accept-Language':
|
|
self.lang_interface.replace('lang_', '')
|
|
+ ';q=1.0'})
|
|
|
|
# view is suppressed correctly
|
|
now = datetime.now()
|
|
cookies = {
|
|
'CONSENT': 'YES+cb.{:d}{:02d}{:02d}-17-p0.de+F+678'.format(
|
|
now.year, now.month, now.day
|
|
)
|
|
}
|
|
|
|
# Validate Tor conn and request new identity if the last one failed
|
|
if self.tor and not send_tor_signal(
|
|
Signal.NEWNYM if attempt > 0 else Signal.HEARTBEAT):
|
|
raise TorError(
|
|
"Tor was previously enabled, but the connection has been "
|
|
"dropped. Please check your Tor configuration and try again.",
|
|
disable=True)
|
|
|
|
# Make sure that the tor connection is valid, if enabled
|
|
if self.tor:
|
|
try:
|
|
tor_check = requests.get('https://check.torproject.org/',
|
|
proxies=self.proxies, headers=headers)
|
|
self.tor_valid = 'Congratulations' in tor_check.text
|
|
|
|
if not self.tor_valid:
|
|
raise TorError(
|
|
"Tor connection succeeded, but the connection could "
|
|
"not be validated by torproject.org",
|
|
disable=True)
|
|
except ConnectionError:
|
|
raise TorError(
|
|
"Error raised during Tor connection validation",
|
|
disable=True)
|
|
|
|
response = requests.get(
|
|
(base_url or self.search_url) + query,
|
|
proxies=self.proxies,
|
|
headers=headers,
|
|
cookies=cookies)
|
|
|
|
# Retry query with new identity if using Tor (max 10 attempts)
|
|
if 'form id="captcha-form"' in response.text and self.tor:
|
|
attempt += 1
|
|
if attempt > 10:
|
|
raise TorError("Tor query failed -- max attempts exceeded 10")
|
|
return self.send((base_url or self.search_url), query, attempt)
|
|
|
|
return response
|