from bs4 import BeautifulSoup, NavigableString 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.'] GOOG_STATIC = 'www.gstatic.com' GOOG_IMG = '/images/branding/searchlogo/1x/googlelogo' LOGO_URL = GOOG_IMG + '_desk' BLANK_B64 = ('data:image/png;base64,' 'iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAQAAAAnOwc2AAAAD0lEQVR42mNkw' 'AIYh7IgAAVVAAuInjI5AAAAAElFTkSuQmCC') # Ad keywords BLACKLIST = [ 'ad', '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' ] SITE_ALTS = { 'twitter.com': os.getenv('WHOOGLE_ALT_TW', 'nitter.net'), 'youtube.com': os.getenv('WHOOGLE_ALT_YT', 'invidious.snopyta.org'), 'instagram.com': os.getenv('WHOOGLE_ALT_IG', 'bibliogram.art/u'), 'reddit.com': os.getenv('WHOOGLE_ALT_RD', 'libredd.it'), **dict.fromkeys([ 'medium.com', 'levelup.gitconnected.com' ], os.getenv('WHOOGLE_ALT_MD', 'scribe.rip')) } def bold_search_terms(response: str, query: str) -> BeautifulSoup: """Wraps all search terms in bold tags (). 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 if not re.match('.*[a-zA-Z0-9].*', target_word) or ( element.parent and element.parent.name == 'style'): return element.replace_with( re.sub(fr'\b((?![{{}}<>-]){target_word}(?![{{}}<>-]))\b', r'\1', element, flags=re.I) ) # Split all words out of query, grouping the ones wrapped in quotes for word in re.split(r'\s+(?=[^"]*(?:"[^"]*"[^"]*)*$)', query): word = re.sub(r'[^A-Za-z0-9 ]+', '', 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 """ return (element.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 hostname = urlparse.urlparse(link).hostname for site_key in SITE_ALTS.keys(): if not hostname or site_key not in hostname: continue link = link.replace(hostname, SITE_ALTS[site_key]) 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'] = '/window?location=' + result['href'] nojs_link['style'] = 'display:block;width:100%;' nojs_link.string = 'NoJS Link: ' + nojs_link['href'] result.append(BeautifulSoup('

', 'html.parser')) result.append(nojs_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 """ if (not html_soup.select_one(".EY24We") and html_soup.select_one(".OXXup").get_text().lower() == "all"): # 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) # Finding the element before which the IP card would be placed f_link = html_soup.select_one(".BNeawe.vvjwJb.AP7Wnd") ref_element = f_link.find_parent(class_="ZINbbc xpd O9g5cc" + " uUPGi") # Inserting the element ref_element.insert_before(ip_tag) return html_soup