461 lines
15 KiB
Python
461 lines
15 KiB
Python
import argparse
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import base64
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import html
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import io
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import json
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import pickle
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import urllib.parse as urlparse
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import uuid
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from functools import wraps
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import waitress
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from app import app
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from app.models.config import Config
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from app.request import Request, TorError
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from app.utils.bangs import resolve_bang
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from app.utils.misc import read_config_bool
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from app.utils.results import add_ip_card
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from app.utils.results import bold_search_terms
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from app.utils.search import *
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from app.utils.session import generate_user_key, valid_user_session
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from bs4 import BeautifulSoup as bsoup
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from flask import jsonify, make_response, request, redirect, render_template, \
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send_file, session, url_for
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from requests import exceptions
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# Load DDG bang json files only on init
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bang_json = json.load(open(app.config['BANG_FILE']))
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def auth_required(f):
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@wraps(f)
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def decorated(*args, **kwargs):
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auth = request.authorization
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# Skip if username/password not set
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whoogle_user = os.getenv('WHOOGLE_USER', '')
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whoogle_pass = os.getenv('WHOOGLE_PASS', '')
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if (not whoogle_user or not whoogle_pass) or (
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auth
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and whoogle_user == auth.username
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and whoogle_pass == auth.password):
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return f(*args, **kwargs)
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else:
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return make_response('Not logged in', 401, {
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'WWW-Authenticate': 'Basic realm="Login Required"'})
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return decorated
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@app.before_request
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def before_request_func():
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g.request_params = (
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request.args if request.method == 'GET' else request.form
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)
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g.cookies_disabled = False
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# Generate session values for user if unavailable
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if not valid_user_session(session):
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session['config'] = json.load(open(app.config['DEFAULT_CONFIG'])) \
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if os.path.exists(app.config['DEFAULT_CONFIG']) else {}
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session['uuid'] = str(uuid.uuid4())
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session['key'] = generate_user_key(True)
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# Flag cookies as possibly disabled in order to prevent against
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# unnecessary session directory expansion
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g.cookies_disabled = True
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# Handle https upgrade
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if needs_https(request.url):
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return redirect(
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request.url.replace('http://', 'https://', 1),
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code=308)
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g.user_config = Config(**session['config'])
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if not g.user_config.url:
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g.user_config.url = request.url_root.replace(
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'http://',
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'https://') if os.getenv('HTTPS_ONLY', False) else request.url_root
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g.user_request = Request(
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request.headers.get('User-Agent'),
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request.url_root,
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config=g.user_config)
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g.app_location = g.user_config.url
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@app.after_request
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def after_request_func(resp):
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# Check if address consistently has cookies blocked,
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# in which case start removing session files after creation.
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#
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# Note: This is primarily done to prevent overpopulation of session
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# directories, since browsers that block cookies will still trigger
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# Flask's session creation routine with every request.
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if g.cookies_disabled and request.remote_addr not in app.no_cookie_ips:
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app.no_cookie_ips.append(request.remote_addr)
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elif g.cookies_disabled and request.remote_addr in app.no_cookie_ips:
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session_list = list(session.keys())
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for key in session_list:
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session.pop(key)
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resp.headers['Content-Security-Policy'] = app.config['CSP']
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if os.environ.get('HTTPS_ONLY', False):
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resp.headers['Content-Security-Policy'] += 'upgrade-insecure-requests'
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return resp
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@app.errorhandler(404)
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def unknown_page(e):
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app.logger.warn(e)
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return redirect(g.app_location)
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@app.route('/healthz', methods=['GET'])
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def healthz():
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return ''
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@app.route('/home', methods=['GET'])
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def home():
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return redirect(url_for('.index'))
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@app.route('/', methods=['GET'])
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@auth_required
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def index():
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# Reset keys
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session['key'] = generate_user_key(g.cookies_disabled)
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# Redirect if an error was raised
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if 'error_message' in session and session['error_message']:
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error_message = session['error_message']
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session['error_message'] = ''
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return render_template('error.html', error_message=error_message)
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return render_template('index.html',
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languages=app.config['LANGUAGES'],
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countries=app.config['COUNTRIES'],
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themes=app.config['THEMES'],
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translation=app.config['TRANSLATIONS'][
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g.user_config.get_localization_lang()
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],
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logo=render_template(
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'logo.html',
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dark=g.user_config.dark),
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config_disabled=app.config['CONFIG_DISABLE'],
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config=g.user_config,
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tor_available=int(os.environ.get('TOR_AVAILABLE')),
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version_number=app.config['VERSION_NUMBER'])
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@app.route('/opensearch.xml', methods=['GET'])
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def opensearch():
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opensearch_url = g.app_location
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if opensearch_url.endswith('/'):
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opensearch_url = opensearch_url[:-1]
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# Enforce https for opensearch template
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if needs_https(opensearch_url):
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opensearch_url = opensearch_url.replace('http://', 'https://', 1)
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get_only = g.user_config.get_only or 'Chrome' in request.headers.get(
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'User-Agent')
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return render_template(
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'opensearch.xml',
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main_url=opensearch_url,
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request_type='' if get_only else 'method="post"'
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), 200, {'Content-Disposition': 'attachment; filename="opensearch.xml"'}
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@app.route('/search.html', methods=['GET'])
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def search_html():
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search_url = g.app_location
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if search_url.endswith('/'):
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search_url = search_url[:-1]
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return render_template('search.html', url=search_url)
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@app.route('/autocomplete', methods=['GET', 'POST'])
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def autocomplete():
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ac_var = 'WHOOGLE_AUTOCOMPLETE'
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if os.getenv(ac_var) and not read_config_bool(ac_var):
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return jsonify({})
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q = g.request_params.get('q')
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if not q:
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# FF will occasionally (incorrectly) send the q field without a
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# mimetype in the format "b'q=<query>'" through the request.data field
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q = str(request.data).replace('q=', '')
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# Search bangs if the query begins with "!", but not "! " (feeling lucky)
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if q.startswith('!') and len(q) > 1 and not q.startswith('! '):
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return jsonify([q, [bang_json[_]['suggestion'] for _ in bang_json if
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_.startswith(q)]])
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if not q and not request.data:
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return jsonify({'?': []})
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elif request.data:
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q = urlparse.unquote_plus(
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request.data.decode('utf-8').replace('q=', ''))
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# Return a list of suggestions for the query
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#
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# Note: If Tor is enabled, this returns nothing, as the request is
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# almost always rejected
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return jsonify([
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q,
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g.user_request.autocomplete(q) if not g.user_config.tor else []
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])
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@app.route('/search', methods=['GET', 'POST'])
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@auth_required
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def search():
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# Update user config if specified in search args
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g.user_config = g.user_config.from_params(g.request_params)
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search_util = Search(request, g.user_config, session,
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cookies_disabled=g.cookies_disabled)
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query = search_util.new_search_query()
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bang = resolve_bang(query=query, bangs_dict=bang_json)
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if bang != '':
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return redirect(bang)
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# Redirect to home if invalid/blank search
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if not query:
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return redirect('/')
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# Generate response and number of external elements from the page
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try:
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response = search_util.generate_response()
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except TorError as e:
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session['error_message'] = e.message + (
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"\\n\\nTor config is now disabled!" if e.disable else "")
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session['config']['tor'] = False if e.disable else session['config'][
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'tor']
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return redirect(url_for('.index'))
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if search_util.feeling_lucky:
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return redirect(response, code=303)
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# If the user is attempting to translate a string, determine the correct
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# string for formatting the lingva.ml url
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localization_lang = g.user_config.get_localization_lang()
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translation = app.config['TRANSLATIONS'][localization_lang]
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translate_to = localization_lang.replace('lang_', '')
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# Return 503 if temporarily blocked by captcha
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resp_code = 503 if has_captcha(str(response)) else 200
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response = bold_search_terms(response, query)
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# Feature to display IP address
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if search_util.check_kw_ip():
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html_soup = bsoup(response, "html.parser")
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response = add_ip_card(html_soup, request.remote_addr)
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return render_template(
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'display.html',
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query=urlparse.unquote(query),
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search_type=search_util.search_type,
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config=g.user_config,
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lingva_url=app.config['TRANSLATE_URL'],
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translation=translation,
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translate_to=translate_to,
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translate_str=query.replace(
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'translate', ''
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).replace(
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translation['translate'], ''
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),
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is_translation=any(
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_ in query.lower() for _ in [translation['translate'], 'translate']
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) and not search_util.search_type, # Standard search queries only
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response=html.unescape(str(response)),
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version_number=app.config['VERSION_NUMBER'],
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search_header=(render_template(
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'header.html',
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config=g.user_config,
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logo=render_template('logo.html', dark=g.user_config.dark),
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query=urlparse.unquote(query),
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search_type=search_util.search_type,
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mobile=g.user_request.mobile)
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if 'isch' not in
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search_util.search_type else '')), resp_code
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@app.route('/config', methods=['GET', 'POST', 'PUT'])
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@auth_required
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def config():
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config_disabled = app.config['CONFIG_DISABLE']
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if request.method == 'GET':
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return json.dumps(g.user_config.__dict__)
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elif request.method == 'PUT' and not config_disabled:
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if 'name' in request.args:
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config_pkl = os.path.join(
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app.config['CONFIG_PATH'],
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request.args.get('name'))
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session['config'] = (pickle.load(open(config_pkl, 'rb'))
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if os.path.exists(config_pkl)
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else session['config'])
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return json.dumps(session['config'])
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else:
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return json.dumps({})
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elif not config_disabled:
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config_data = request.form.to_dict()
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if 'url' not in config_data or not config_data['url']:
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config_data['url'] = g.user_config.url
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# Save config by name to allow a user to easily load later
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if 'name' in request.args:
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pickle.dump(
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config_data,
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open(os.path.join(
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app.config['CONFIG_PATH'],
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request.args.get('name')), 'wb'))
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# Overwrite default config if user has cookies disabled
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if g.cookies_disabled:
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open(app.config['DEFAULT_CONFIG'], 'w').write(
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json.dumps(config_data, indent=4))
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session['config'] = config_data
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return redirect(config_data['url'])
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else:
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return redirect(url_for('.index'), code=403)
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@app.route('/url', methods=['GET'])
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@auth_required
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def url():
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if 'url' in request.args:
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return redirect(request.args.get('url'))
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q = request.args.get('q')
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if len(q) > 0 and 'http' in q:
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return redirect(q)
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else:
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return render_template(
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'error.html',
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error_message='Unable to resolve query: ' + q)
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@app.route('/imgres')
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@auth_required
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def imgres():
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return redirect(request.args.get('imgurl'))
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@app.route('/element')
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@auth_required
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def element():
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cipher_suite = Fernet(session['key'])
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src_url = cipher_suite.decrypt(request.args.get('url').encode()).decode()
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src_type = request.args.get('type')
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try:
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file_data = g.user_request.send(base_url=src_url).content
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tmp_mem = io.BytesIO()
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tmp_mem.write(file_data)
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tmp_mem.seek(0)
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return send_file(tmp_mem, mimetype=src_type)
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except exceptions.RequestException:
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pass
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empty_gif = base64.b64decode(
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'R0lGODlhAQABAIAAAP///////yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==')
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return send_file(io.BytesIO(empty_gif), mimetype='image/gif')
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@app.route('/window')
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@auth_required
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def window():
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get_body = g.user_request.send(base_url=request.args.get('location')).text
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get_body = get_body.replace('src="/',
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'src="' + request.args.get('location') + '"')
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get_body = get_body.replace('href="/',
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'href="' + request.args.get('location') + '"')
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results = bsoup(get_body, 'html.parser')
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for script in results('script'):
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script.decompose()
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return render_template(
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'display.html',
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response=results,
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translation=app.config['TRANSLATIONS'][
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g.user_config.get_localization_lang()
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]
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)
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def run_app() -> None:
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parser = argparse.ArgumentParser(
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description='Whoogle Search console runner')
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parser.add_argument(
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'--port',
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default=5000,
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metavar='<port number>',
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help='Specifies a port to run on (default 5000)')
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parser.add_argument(
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'--host',
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default='127.0.0.1',
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metavar='<ip address>',
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help='Specifies the host address to use (default 127.0.0.1)')
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parser.add_argument(
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'--debug',
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default=False,
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action='store_true',
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help='Activates debug mode for the server (default False)')
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parser.add_argument(
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'--https-only',
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default=False,
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action='store_true',
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help='Enforces HTTPS redirects for all requests')
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parser.add_argument(
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'--userpass',
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default='',
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metavar='<username:password>',
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help='Sets a username/password basic auth combo (default None)')
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parser.add_argument(
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'--proxyauth',
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default='',
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metavar='<username:password>',
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help='Sets a username/password for a HTTP/SOCKS proxy (default None)')
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parser.add_argument(
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'--proxytype',
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default='',
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metavar='<socks4|socks5|http>',
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help='Sets a proxy type for all connections (default None)')
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parser.add_argument(
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'--proxyloc',
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default='',
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metavar='<location:port>',
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help='Sets a proxy location for all connections (default None)')
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args = parser.parse_args()
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if args.userpass:
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user_pass = args.userpass.split(':')
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os.environ['WHOOGLE_USER'] = user_pass[0]
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os.environ['WHOOGLE_PASS'] = user_pass[1]
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if args.proxytype and args.proxyloc:
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if args.proxyauth:
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proxy_user_pass = args.proxyauth.split(':')
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os.environ['WHOOGLE_PROXY_USER'] = proxy_user_pass[0]
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os.environ['WHOOGLE_PROXY_PASS'] = proxy_user_pass[1]
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os.environ['WHOOGLE_PROXY_TYPE'] = args.proxytype
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os.environ['WHOOGLE_PROXY_LOC'] = args.proxyloc
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os.environ['HTTPS_ONLY'] = '1' if args.https_only else ''
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if args.debug:
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app.run(host=args.host, port=args.port, debug=args.debug)
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else:
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waitress.serve(app, listen="{}:{}".format(args.host, args.port))
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