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103 lines
3.4 KiB
Python
103 lines
3.4 KiB
Python
import base64
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from bs4 import BeautifulSoup as bsoup
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from flask import Request
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import hashlib
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import os
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import re
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from requests import exceptions, get
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from urllib.parse import urlparse
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empty_gif = base64.b64decode(
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'R0lGODlhAQABAIAAAP///////yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==')
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placeholder_img = base64.b64decode(
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'iVBORw0KGgoAAAANSUhEUgAAABkAAAAZCAYAAADE6YVjAAABF0lEQVRIS8XWPw9EMBQA8Eok' \
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'JBKrMFqMBt//GzAYLTZ/VomExPDu6uLiaPteqVynBn0/75W2Vp7nEIYhe6p1XcespmmAd7Is' \
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'M+4URcGiKPogvMMvmIS2eN9MOMKbKWgf54SYgI4vKkTuQKJKSJErkKzUSkQHUs0lilAg7GMh' \
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'ISoIA/hYMiKCKIA2soeowCWEMkfHtUmrXLcyGYYBfN9HF8djiaglWzNZlgVs21YisoAUaEXG' \
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'cQTP86QIFgi7vyLzPIPjOEIEC7ANQv/4aZrAdd0TUtc1i+MYnSsMWjPp+x6CIPgJVlUVS5KE' \
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'DKig/+wnVzM4pnzaGeHd+ENlWbI0TbVLJBtw2uMfP63wc9d2kDCWxi5Q27bsBerSJ9afJbeL' \
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'AAAAAElFTkSuQmCC'
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)
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def gen_file_hash(path: str, static_file: str) -> str:
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file_contents = open(os.path.join(path, static_file), 'rb').read()
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file_hash = hashlib.md5(file_contents).hexdigest()[:8]
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filename_split = os.path.splitext(static_file)
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return filename_split[0] + '.' + file_hash + filename_split[-1]
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def read_config_bool(var: str) -> bool:
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val = os.getenv(var, '0')
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# user can specify one of the following values as 'true' inputs (all
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# variants with upper case letters will also work):
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# ('true', 't', '1', 'yes', 'y')
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val = val.lower() in ('true', 't', '1', 'yes', 'y')
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return val
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def get_client_ip(r: Request) -> str:
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if r.environ.get('HTTP_X_FORWARDED_FOR') is None:
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return r.environ['REMOTE_ADDR']
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else:
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return r.environ['HTTP_X_FORWARDED_FOR']
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def get_request_url(url: str) -> str:
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if os.getenv('HTTPS_ONLY', False):
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return url.replace('http://', 'https://', 1)
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return url
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def get_proxy_host_url(r: Request, default: str, root=False) -> str:
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scheme = r.headers.get('X-Forwarded-Proto', 'https')
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http_host = r.headers.get('X-Forwarded-Host')
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full_path = r.full_path if not root else ''
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if full_path.startswith('/'):
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full_path = f'/{full_path}'
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if http_host:
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prefix = os.environ.get('WHOOGLE_URL_PREFIX', '')
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if prefix:
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prefix = f'/{re.sub("[^0-9a-zA-Z]+", "", prefix)}'
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return f'{scheme}://{http_host}{prefix}{full_path}'
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return default
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def check_for_update(version_url: str, current: str) -> int:
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# Check for the latest version of Whoogle
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try:
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update = bsoup(get(version_url).text, 'html.parser')
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latest = update.select_one('[class="Link--primary"]').string[1:]
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current = int(''.join(filter(str.isdigit, current)))
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latest = int(''.join(filter(str.isdigit, latest)))
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has_update = '' if current >= latest else latest
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except (exceptions.ConnectionError, AttributeError):
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# Ignore failures, assume current version is up to date
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has_update = ''
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return has_update
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def get_abs_url(url, page_url):
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# Creates a valid absolute URL using a partial or relative URL
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if url.startswith('//'):
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return f'https:{url}'
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elif url.startswith('/'):
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return f'{urlparse(page_url).netloc}{url}'
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elif url.startswith('./'):
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return f'{page_url}{url[2:]}'
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return url
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def list_to_dict(lst: list) -> dict:
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if len(lst) < 2:
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return {}
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return {lst[i].replace(' ', ''): lst[i+1].replace(' ', '')
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for i in range(0, len(lst), 2)}
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