7bea6349a0
This implements a method for converting between various currencies. When a user searches "<currency A> to <currency B>" (including when prefixed by a specific amount), they are now presented with a table for quickly converting between the two. This makes use of the currency ratio returned as the first "card" in currency related searches, and the table is inserted into this same card.
530 lines
18 KiB
Python
530 lines
18 KiB
Python
import argparse
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import base64
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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 datetime import timedelta
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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.models.endpoint import Endpoint
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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, get_client_ip, get_request_url
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from app.utils.results import add_ip_card, bold_search_terms,\
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add_currency_card, check_currency
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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, get
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from requests.models import PreparedRequest
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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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# Check the newest version of WHOOGLE
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update = bsoup(get(app.config['RELEASES_URL']).text, 'html.parser')
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newest_version = update.select_one('[class="Link--primary"]').string[1:]
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current_version = int(''.join(filter(str.isdigit,
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app.config['VERSION_NUMBER'])))
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newest_version = int(''.join(filter(str.isdigit, newest_version)))
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newest_version = '' if current_version >= newest_version \
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else newest_version
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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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def session_required(f):
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@wraps(f)
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def decorated(*args, **kwargs):
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if (valid_user_session(session) and
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'cookies_disabled' not in request.args):
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g.session_key = session['key']
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else:
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session.pop('_permanent', None)
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g.session_key = app.default_key
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# Clear out old sessions
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invalid_sessions = []
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for user_session in os.listdir(app.config['SESSION_FILE_DIR']):
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session_path = os.path.join(
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app.config['SESSION_FILE_DIR'],
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user_session)
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try:
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with open(session_path, 'rb') as session_file:
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_ = pickle.load(session_file)
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data = pickle.load(session_file)
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if isinstance(data, dict) and 'valid' in data:
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continue
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invalid_sessions.append(session_path)
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except (EOFError, FileNotFoundError):
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pass
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for invalid_session in invalid_sessions:
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os.remove(invalid_session)
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return f(*args, **kwargs)
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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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# Skip pre-request actions if verifying session
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if '/session' in request.path and not valid_user_session(session):
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return
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default_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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# Generate session values for user if unavailable
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if (not valid_user_session(session) and
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'cookies_disabled' not in request.args):
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session['config'] = default_config
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session['uuid'] = str(uuid.uuid4())
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session['key'] = generate_user_key()
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# Skip checking for session on any searches that don't
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# require a valid session
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if (not Endpoint.autocomplete.in_path(request.path) and
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not Endpoint.healthz.in_path(request.path)):
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return redirect(url_for(
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'session_check',
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session_id=session['uuid'],
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follow=get_request_url(request.url)), code=307)
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else:
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g.user_config = Config(**session['config'])
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elif 'cookies_disabled' not in request.args:
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# Set session as permanent
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session.permanent = True
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app.permanent_session_lifetime = timedelta(days=365)
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g.user_config = Config(**session['config'])
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else:
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# User has cookies disabled, fall back to immutable default config
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session.pop('_permanent', None)
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g.user_config = Config(**default_config)
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if not g.user_config.url:
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g.user_config.url = get_request_url(request.url_root)
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g.user_request = Request(
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request.headers.get('User-Agent'),
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get_request_url(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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resp.headers['X-Content-Type-Options'] = 'nosniff'
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resp.headers['X-Frame-Options'] = 'DENY'
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if os.getenv('WHOOGLE_CSP', False):
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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'] += \
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'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(f'/{Endpoint.healthz}', methods=['GET'])
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def healthz():
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return ''
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@app.route(f'/{Endpoint.session}/<session_id>', methods=['GET', 'PUT', 'POST'])
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def session_check(session_id):
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if 'uuid' in session and session['uuid'] == session_id:
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session['valid'] = True
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return redirect(request.args.get('follow'), code=307)
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else:
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follow_url = request.args.get('follow')
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req = PreparedRequest()
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req.prepare_url(follow_url, {'cookies_disabled': 1})
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session.pop('_permanent', None)
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return redirect(req.url, code=307)
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@app.route('/', methods=['GET'])
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@app.route(f'/{Endpoint.home}', methods=['GET'])
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@auth_required
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def index():
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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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newest_version=newest_version,
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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=(
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app.config['CONFIG_DISABLE'] or
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not valid_user_session(session) or
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'cookies_disabled' in request.args),
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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(f'/{Endpoint.opensearch}', 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(f'/{Endpoint.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(f'/{Endpoint.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(f'/{Endpoint.search}', methods=['GET', 'POST'])
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@session_required
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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, g.session_key)
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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(url_for('.index'))
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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(str(response), 'html.parser')
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response = add_ip_card(html_soup, get_client_ip(request))
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# Feature to display currency_card
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conversion = check_currency(str(response))
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if conversion:
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html_soup = bsoup(str(response), 'html.parser')
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response = add_currency_card(html_soup, conversion)
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return render_template(
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'display.html',
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newest_version=newest_version,
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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=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(f'/{Endpoint.config}', methods=['GET', 'POST', 'PUT'])
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@session_required
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@auth_required
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def config():
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config_disabled = (
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app.config['CONFIG_DISABLE'] or
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not valid_user_session(session))
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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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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(f'/{Endpoint.url}', methods=['GET'])
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@session_required
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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(f'/{Endpoint.imgres}')
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@session_required
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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(f'/{Endpoint.element}')
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@session_required
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@auth_required
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def element():
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cipher_suite = Fernet(g.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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|
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@app.route(f'/{Endpoint.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)')
|
|
parser.add_argument(
|
|
'--proxyloc',
|
|
default='',
|
|
metavar='<location:port>',
|
|
help='Sets a proxy location for all connections (default None)')
|
|
args = parser.parse_args()
|
|
|
|
if args.userpass:
|
|
user_pass = args.userpass.split(':')
|
|
os.environ['WHOOGLE_USER'] = user_pass[0]
|
|
os.environ['WHOOGLE_PASS'] = user_pass[1]
|
|
|
|
if args.proxytype and args.proxyloc:
|
|
if args.proxyauth:
|
|
proxy_user_pass = args.proxyauth.split(':')
|
|
os.environ['WHOOGLE_PROXY_USER'] = proxy_user_pass[0]
|
|
os.environ['WHOOGLE_PROXY_PASS'] = proxy_user_pass[1]
|
|
os.environ['WHOOGLE_PROXY_TYPE'] = args.proxytype
|
|
os.environ['WHOOGLE_PROXY_LOC'] = args.proxyloc
|
|
|
|
if args.https_only:
|
|
os.environ['HTTPS_ONLY'] = '1'
|
|
|
|
if args.debug:
|
|
app.run(host=args.host, port=args.port, debug=args.debug)
|
|
else:
|
|
waitress.serve(app, listen="{}:{}".format(args.host, args.port))
|