445 lines
15 KiB
Python
445 lines
15 KiB
Python
from app.models.config import Config
|
|
from app.models.endpoint import Endpoint
|
|
from bs4 import BeautifulSoup, NavigableString
|
|
import copy
|
|
from flask import current_app
|
|
import html
|
|
import os
|
|
import urllib.parse as urlparse
|
|
from urllib.parse import parse_qs
|
|
import re
|
|
|
|
SKIP_ARGS = ['ref_src', 'utm']
|
|
SKIP_PREFIX = ['//www.', '//mobile.', '//m.', 'www.']
|
|
GOOG_STATIC = 'www.gstatic.com'
|
|
G_M_LOGO_URL = 'https://www.gstatic.com/m/images/icons/googleg.gif'
|
|
GOOG_IMG = '/images/branding/searchlogo/1x/googlelogo'
|
|
LOGO_URL = GOOG_IMG + '_desk'
|
|
BLANK_B64 = ('data:image/png;base64,'
|
|
'iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAQAAAAnOwc2AAAAD0lEQVR42mNkw'
|
|
'AIYh7IgAAVVAAuInjI5AAAAAElFTkSuQmCC')
|
|
|
|
# Ad keywords
|
|
BLACKLIST = [
|
|
'ad', 'ads', 'anuncio', 'annuncio', 'annonce', 'Anzeige', '广告', '廣告',
|
|
'Reklama', 'Реклама', 'Anunț', '광고', 'annons', 'Annonse', 'Iklan',
|
|
'広告', 'Augl.', 'Mainos', 'Advertentie', 'إعلان', 'Գովազդ', 'विज्ञापन',
|
|
'Reklam', 'آگهی', 'Reklāma', 'Reklaam', 'Διαφήμιση', 'מודעה', 'Hirdetés',
|
|
'Anúncio', 'Quảng cáo','โฆษณา', 'sponsored', 'patrocinado', 'gesponsert'
|
|
]
|
|
|
|
SITE_ALTS = {
|
|
'twitter.com': os.getenv('WHOOGLE_ALT_TW', 'farside.link/nitter'),
|
|
'youtube.com': os.getenv('WHOOGLE_ALT_YT', 'farside.link/invidious'),
|
|
'instagram.com': os.getenv('WHOOGLE_ALT_IG', 'farside.link/bibliogram/u'),
|
|
'reddit.com': os.getenv('WHOOGLE_ALT_RD', 'farside.link/libreddit'),
|
|
**dict.fromkeys([
|
|
'medium.com',
|
|
'levelup.gitconnected.com'
|
|
], os.getenv('WHOOGLE_ALT_MD', 'farside.link/scribe')),
|
|
'imgur.com': os.getenv('WHOOGLE_ALT_IMG', 'farside.link/rimgo'),
|
|
'wikipedia.org': os.getenv('WHOOGLE_ALT_WIKI', 'farside.link/wikiless'),
|
|
'imdb.com': os.getenv('WHOOGLE_ALT_IMDB', 'farside.link/libremdb'),
|
|
'quora.com': os.getenv('WHOOGLE_ALT_QUORA', 'farside.link/quetre')
|
|
}
|
|
|
|
|
|
def bold_search_terms(response: str, query: str) -> BeautifulSoup:
|
|
"""Wraps all search terms in bold tags (<b>). If any terms are wrapped
|
|
in quotes, only that exact phrase will be made bold.
|
|
|
|
Args:
|
|
response: The initial response body for the query
|
|
query: The original search query
|
|
|
|
Returns:
|
|
BeautifulSoup: modified soup object with bold items
|
|
"""
|
|
response = BeautifulSoup(response, 'html.parser')
|
|
|
|
def replace_any_case(element: NavigableString, target_word: str) -> None:
|
|
# Replace all instances of the word, but maintaining the same case in
|
|
# the replacement
|
|
if len(element) == len(target_word):
|
|
return
|
|
|
|
# Ensure target word is escaped for regex
|
|
target_word = re.escape(target_word)
|
|
|
|
if re.match('.*[@_!#$%^&*()<>?/\|}{~:].*', target_word) or (
|
|
element.parent and element.parent.name == 'style'):
|
|
return
|
|
|
|
element.replace_with(BeautifulSoup(
|
|
re.sub(fr'\b((?![{{}}<>-]){target_word}(?![{{}}<>-]))\b',
|
|
r'<b>\1</b>',
|
|
element,
|
|
flags=re.I), 'html.parser')
|
|
)
|
|
|
|
# Split all words out of query, grouping the ones wrapped in quotes
|
|
for word in re.split(r'\s+(?=[^"]*(?:"[^"]*"[^"]*)*$)', query):
|
|
word = re.sub(r'[@_!#$%^&*()<>?/\|}{~:]+', '', word)
|
|
target = response.find_all(
|
|
text=re.compile(r'' + re.escape(word), re.I))
|
|
for nav_str in target:
|
|
replace_any_case(nav_str, word)
|
|
|
|
return response
|
|
|
|
|
|
def has_ad_content(element: str) -> bool:
|
|
"""Inspects an HTML element for ad related content
|
|
|
|
Args:
|
|
element: The HTML element to inspect
|
|
|
|
Returns:
|
|
bool: True/False for the element containing an ad
|
|
|
|
"""
|
|
element_str = ''.join(filter(str.isalpha, element))
|
|
return (element_str.upper() in (value.upper() for value in BLACKLIST)
|
|
or 'ⓘ' in element)
|
|
|
|
|
|
def get_first_link(soup: BeautifulSoup) -> str:
|
|
"""Retrieves the first result link from the query response
|
|
|
|
Args:
|
|
soup: The BeautifulSoup response body
|
|
|
|
Returns:
|
|
str: A str link to the first result
|
|
|
|
"""
|
|
# Replace hrefs with only the intended destination (no "utm" type tags)
|
|
for a in soup.find_all('a', href=True):
|
|
# Return the first search result URL
|
|
if 'url?q=' in a['href']:
|
|
return filter_link_args(a['href'])
|
|
return ''
|
|
|
|
|
|
def get_site_alt(link: str) -> str:
|
|
"""Returns an alternative to a particular site, if one is configured
|
|
|
|
Args:
|
|
link: A string result URL to check against the SITE_ALTS map
|
|
|
|
Returns:
|
|
str: An updated (or ignored) result link
|
|
|
|
"""
|
|
# Need to replace full hostname with alternative to encapsulate
|
|
# subdomains as well
|
|
parsed_link = urlparse.urlparse(link)
|
|
|
|
# Extract subdomain separately from the domain+tld. The subdomain
|
|
# is used for wikiless translations.
|
|
split_host = parsed_link.netloc.split('.')
|
|
subdomain = split_host[0] if len(split_host) > 2 else ''
|
|
hostname = '.'.join(split_host[-2:])
|
|
|
|
# The full scheme + hostname is used when comparing against the list of
|
|
# available alternative services, due to how Medium links are constructed.
|
|
# (i.e. for medium.com: "https://something.medium.com" should match,
|
|
# "https://medium.com/..." should match, but "philomedium.com" should not)
|
|
hostcomp = f'{parsed_link.scheme}://{hostname}'
|
|
|
|
for site_key in SITE_ALTS.keys():
|
|
site_alt = f'{parsed_link.scheme}://{site_key}'
|
|
if not hostname or site_alt not in hostcomp or not SITE_ALTS[site_key]:
|
|
continue
|
|
|
|
# Wikipedia -> Wikiless replacements require the subdomain (if it's
|
|
# a 2-char language code) to be passed as a URL param to Wikiless
|
|
# in order to preserve the language setting.
|
|
params = ''
|
|
if 'wikipedia' in hostname and len(subdomain) == 2:
|
|
hostname = f'{subdomain}.{hostname}'
|
|
params = f'?lang={subdomain}'
|
|
|
|
parsed_alt = urlparse.urlparse(SITE_ALTS[site_key])
|
|
link = link.replace(hostname, SITE_ALTS[site_key]) + params
|
|
|
|
# If a scheme is specified in the alternative, this results in a
|
|
# replaced link that looks like "https://http://altservice.tld".
|
|
# In this case, we can remove the original scheme from the result
|
|
# and use the one specified for the alt.
|
|
if parsed_alt.scheme:
|
|
link = '//'.join(link.split('//')[1:])
|
|
|
|
for prefix in SKIP_PREFIX:
|
|
link = link.replace(prefix, '//')
|
|
break
|
|
|
|
return link
|
|
|
|
|
|
def filter_link_args(link: str) -> str:
|
|
"""Filters out unnecessary URL args from a result link
|
|
|
|
Args:
|
|
link: The string result link to check for extraneous URL params
|
|
|
|
Returns:
|
|
str: An updated (or ignored) result link
|
|
|
|
"""
|
|
parsed_link = urlparse.urlparse(link)
|
|
link_args = parse_qs(parsed_link.query)
|
|
safe_args = {}
|
|
|
|
if len(link_args) == 0 and len(parsed_link) > 0:
|
|
return link
|
|
|
|
for arg in link_args.keys():
|
|
if arg in SKIP_ARGS:
|
|
continue
|
|
|
|
safe_args[arg] = link_args[arg]
|
|
|
|
# Remove original link query and replace with filtered args
|
|
link = link.replace(parsed_link.query, '')
|
|
if len(safe_args) > 0:
|
|
link = link + urlparse.urlencode(safe_args, doseq=True)
|
|
else:
|
|
link = link.replace('?', '')
|
|
|
|
return link
|
|
|
|
|
|
def append_nojs(result: BeautifulSoup) -> None:
|
|
"""Appends a no-Javascript alternative for a search result
|
|
|
|
Args:
|
|
result: The search result to append a no-JS link to
|
|
|
|
Returns:
|
|
None
|
|
|
|
"""
|
|
nojs_link = BeautifulSoup(features='html.parser').new_tag('a')
|
|
nojs_link['href'] = f'{Endpoint.window}?nojs=1&location=' + result['href']
|
|
nojs_link.string = ' NoJS Link'
|
|
result.append(nojs_link)
|
|
|
|
|
|
def append_anon_view(result: BeautifulSoup, config: Config) -> None:
|
|
"""Appends an 'anonymous view' for a search result, where all site
|
|
contents are viewed through Whoogle as a proxy.
|
|
|
|
Args:
|
|
result: The search result to append an anon view link to
|
|
nojs: Remove Javascript from Anonymous View
|
|
|
|
Returns:
|
|
None
|
|
|
|
"""
|
|
av_link = BeautifulSoup(features='html.parser').new_tag('a')
|
|
nojs = 'nojs=1' if config.nojs else 'nojs=0'
|
|
location = f'location={result["href"]}'
|
|
av_link['href'] = f'{Endpoint.window}?{nojs}&{location}'
|
|
translation = current_app.config['TRANSLATIONS'][
|
|
config.get_localization_lang()
|
|
]
|
|
av_link.string = f'{translation["anon-view"]}'
|
|
av_link['class'] = 'anon-view'
|
|
result.append(av_link)
|
|
|
|
|
|
def add_ip_card(html_soup: BeautifulSoup, ip: str) -> BeautifulSoup:
|
|
"""Adds the client's IP address to the search results
|
|
if query contains keywords
|
|
|
|
Args:
|
|
html_soup: The parsed search result containing the keywords
|
|
ip: ip address of the client
|
|
|
|
Returns:
|
|
BeautifulSoup
|
|
|
|
"""
|
|
main_div = html_soup.select_one('#main')
|
|
if main_div:
|
|
# HTML IP card tag
|
|
ip_tag = html_soup.new_tag('div')
|
|
ip_tag['class'] = 'ZINbbc xpd O9g5cc uUPGi'
|
|
|
|
# For IP Address html tag
|
|
ip_address = html_soup.new_tag('div')
|
|
ip_address['class'] = 'kCrYT ip-address-div'
|
|
ip_address.string = ip
|
|
|
|
# Text below the IP address
|
|
ip_text = html_soup.new_tag('div')
|
|
ip_text.string = 'Your public IP address'
|
|
ip_text['class'] = 'kCrYT ip-text-div'
|
|
|
|
# Adding all the above html tags to the IP card
|
|
ip_tag.append(ip_address)
|
|
ip_tag.append(ip_text)
|
|
|
|
# Insert the element at the top of the result list
|
|
main_div.insert_before(ip_tag)
|
|
return html_soup
|
|
|
|
|
|
def check_currency(response: str) -> dict:
|
|
"""Check whether the results have currency conversion
|
|
|
|
Args:
|
|
response: Search query Result
|
|
|
|
Returns:
|
|
dict: Consists of currency names and values
|
|
|
|
"""
|
|
soup = BeautifulSoup(response, 'html.parser')
|
|
currency_link = soup.find('a', {'href': 'https://g.co/gfd'})
|
|
if currency_link:
|
|
while 'class' not in currency_link.attrs or \
|
|
'ZINbbc' not in currency_link.attrs['class']:
|
|
if currency_link.parent:
|
|
currency_link = currency_link.parent
|
|
else:
|
|
return {}
|
|
currency_link = currency_link.find_all(class_='BNeawe')
|
|
currency1 = currency_link[0].text
|
|
currency2 = currency_link[1].text
|
|
currency1 = currency1.rstrip('=').split(' ', 1)
|
|
currency2 = currency2.split(' ', 1)
|
|
|
|
# Handle differences in currency formatting
|
|
# i.e. "5.000" vs "5,000"
|
|
if currency2[0][-3] == ',':
|
|
currency1[0] = currency1[0].replace('.', '')
|
|
currency1[0] = currency1[0].replace(',', '.')
|
|
currency2[0] = currency2[0].replace('.', '')
|
|
currency2[0] = currency2[0].replace(',', '.')
|
|
else:
|
|
currency1[0] = currency1[0].replace(',', '')
|
|
currency2[0] = currency2[0].replace(',', '')
|
|
|
|
currency1_value = float(re.sub(r'[^\d\.]', '', currency1[0]))
|
|
currency1_label = currency1[1]
|
|
|
|
currency2_value = float(re.sub(r'[^\d\.]', '', currency2[0]))
|
|
currency2_label = currency2[1]
|
|
|
|
return {'currencyValue1': currency1_value,
|
|
'currencyLabel1': currency1_label,
|
|
'currencyValue2': currency2_value,
|
|
'currencyLabel2': currency2_label
|
|
}
|
|
return {}
|
|
|
|
|
|
def add_currency_card(soup: BeautifulSoup,
|
|
conversion_details: dict) -> BeautifulSoup:
|
|
"""Adds the currency conversion boxes
|
|
to response of the search query
|
|
|
|
Args:
|
|
soup: Parsed search result
|
|
conversion_details: Dictionary of currency
|
|
related information
|
|
|
|
Returns:
|
|
BeautifulSoup
|
|
"""
|
|
# Element before which the code will be changed
|
|
# (This is the 'disclaimer' link)
|
|
element1 = soup.find('a', {'href': 'https://g.co/gfd'})
|
|
|
|
while 'class' not in element1.attrs or \
|
|
'nXE3Ob' not in element1.attrs['class']:
|
|
element1 = element1.parent
|
|
|
|
# Creating the conversion factor
|
|
conversion_factor = (conversion_details['currencyValue1'] /
|
|
conversion_details['currencyValue2'])
|
|
|
|
# Creating a new div for the input boxes
|
|
conversion_box = soup.new_tag('div')
|
|
conversion_box['class'] = 'conversion_box'
|
|
|
|
# Currency to be converted from
|
|
input_box1 = soup.new_tag('input')
|
|
input_box1['id'] = 'cb1'
|
|
input_box1['type'] = 'number'
|
|
input_box1['class'] = 'cb'
|
|
input_box1['value'] = conversion_details['currencyValue1']
|
|
input_box1['oninput'] = f'convert(1, 2, {1 / conversion_factor})'
|
|
|
|
label_box1 = soup.new_tag('label')
|
|
label_box1['for'] = 'cb1'
|
|
label_box1['class'] = 'cb_label'
|
|
label_box1.append(conversion_details['currencyLabel1'])
|
|
|
|
br = soup.new_tag('br')
|
|
|
|
# Currency to be converted to
|
|
input_box2 = soup.new_tag('input')
|
|
input_box2['id'] = 'cb2'
|
|
input_box2['type'] = 'number'
|
|
input_box2['class'] = 'cb'
|
|
input_box2['value'] = conversion_details['currencyValue2']
|
|
input_box2['oninput'] = f'convert(2, 1, {conversion_factor})'
|
|
|
|
label_box2 = soup.new_tag('label')
|
|
label_box2['for'] = 'cb2'
|
|
label_box2['class'] = 'cb_label'
|
|
label_box2.append(conversion_details['currencyLabel2'])
|
|
|
|
conversion_box.append(input_box1)
|
|
conversion_box.append(label_box1)
|
|
conversion_box.append(br)
|
|
conversion_box.append(input_box2)
|
|
conversion_box.append(label_box2)
|
|
|
|
element1.insert_before(conversion_box)
|
|
return soup
|
|
|
|
|
|
def get_tabs_content(tabs: dict,
|
|
full_query: str,
|
|
search_type: str,
|
|
preferences: str,
|
|
translation: dict) -> dict:
|
|
"""Takes the default tabs content and updates it according to the query.
|
|
|
|
Args:
|
|
tabs: The default content for the tabs
|
|
full_query: The original search query
|
|
search_type: The current search_type
|
|
translation: The translation to get the names of the tabs
|
|
|
|
Returns:
|
|
dict: contains the name, the href and if the tab is selected or not
|
|
"""
|
|
tabs = copy.deepcopy(tabs)
|
|
for tab_id, tab_content in tabs.items():
|
|
# update name to desired language
|
|
if tab_id in translation:
|
|
tab_content['name'] = translation[tab_id]
|
|
|
|
# update href with query
|
|
query = full_query.replace(f'&tbm={search_type}', '')
|
|
|
|
if tab_content['tbm'] is not None:
|
|
query = f"{query}&tbm={tab_content['tbm']}"
|
|
|
|
if preferences:
|
|
query = f"{query}&preferences={preferences}"
|
|
|
|
tab_content['href'] = tab_content['href'].format(query=query)
|
|
|
|
# update if selected tab (default all tab is selected)
|
|
if tab_content['tbm'] == search_type:
|
|
tabs['all']['selected'] = False
|
|
tab_content['selected'] = True
|
|
return tabs
|