import bleach from bs4 import BeautifulSoup from bleach.linkifier import LinkifyFilter from functools import partial from .get import * from os import path, environ import re site = environ.get("DOMAIN").strip() _allowed_tags = tags = ['b', 'blockquote', 'br', 'code', 'del', 'em', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'hr', 'i', 'li', 'ol', 'p', 'pre', 'strong', 'sub', 'sup', 'table', 'tbody', 'th', 'thead', 'td', 'tr', 'ul', 'marquee', 'a', 'img', 'span', ] no_images = ['b', 'blockquote', 'br', 'code', 'del', 'em', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'hr', 'i', 'li', 'ol', 'p', 'pre', 'strong', 'sub', 'sup', 'table', 'tbody', 'th', 'thead', 'td', 'tr', 'ul', 'marquee', 'a', 'span', ] _allowed_attributes = { '*': ['href', 'style', 'src', 'class', 'title', 'rel', 'data-bs-original-name', 'direction'] } _allowed_protocols = [ 'http', 'https' ] _allowed_styles =[ 'color', 'font-weight', 'transform', '-webkit-transform', ] def sanitize(sanitized, noimages=False): sanitized = sanitized.replace("\ufeff", "").replace("m.youtube.com", "youtube.com") for i in re.finditer('https://i.imgur.com/(([^_]*?)\.(jpg|png|jpeg))', sanitized): sanitized = sanitized.replace(i.group(1), i.group(2) + "_d." + i.group(3) + "?maxwidth=9999") if noimages: sanitized = bleach.Cleaner(tags=no_images, attributes=_allowed_attributes, protocols=_allowed_protocols, styles=_allowed_styles, filters=[partial(LinkifyFilter, skip_tags=["pre"], parse_email=False, ) ] ).clean(sanitized) else: sanitized = bleach.Cleaner(tags=_allowed_tags, attributes=_allowed_attributes, protocols=_allowed_protocols, styles=_allowed_styles, filters=[partial(LinkifyFilter, skip_tags=["pre"], parse_email=False, ) ] ).clean(sanitized) soup = BeautifulSoup(sanitized, features="html.parser") for tag in soup.find_all("img"): url = tag.get("src", "") if not url: continue if "profile-pic-20" not in tag.get("class", ""): tag["rel"] = "nofollow noopener noreferrer" tag["style"] = "max-height: 100px; max-width: 100%;" tag["class"] = "in-comment-image rounded-sm my-2" tag["loading"] = "lazy" link = soup.new_tag("a") link["href"] = tag["src"] link["rel"] = "nofollow noopener noreferrer" link["target"] = "_blank" link["onclick"] = f"expandDesktopImage('{tag['src']}');" link["data-bs-toggle"] = "modal" link["data-bs-target"] = "#expandImageModal" tag.wrap(link) #disguised link preventer for tag in soup.find_all("a"): tag["target"] = "_blank" if site not in tag["href"]: tag["rel"] = "nofollow noopener noreferrer" if re.match("https?://\S+", str(tag.string)): try: tag.string = tag["href"] except: tag.string = "" #clean up tags in code for tag in soup.find_all("code"): tag.contents=[x.string for x in tag.contents if x.string] #whatever else happens with images, there are only two sets of classes allowed for tag in soup.find_all("img"): if 'profile-pic-20' not in tag.attrs.get("class",""): tag.attrs['class']="in-comment-image rounded-sm my-2" #table format for tag in soup.find_all("table"): tag.attrs['class']="table table-striped" for tag in soup.find_all("thead"): tag.attrs['class']="bg-primary text-white" sanitized = str(soup) start = '<s>' end = '</s>' try: if not session.get("favorite_emojis"): session["favorite_emojis"] = {} except: pass if start in sanitized and end in sanitized and start in sanitized.split(end)[0] and end in sanitized.split(start)[1]: sanitized = sanitized.replace(start, '').replace(end, '') for i in re.finditer("

\s*(:!?\w+:\s*)+<\/p>", sanitized): old = i.group(0) new = old.lower().replace("

", "

") for i in re.finditer('\w*(?', new) elif path.isfile(f'./files/assets/images/emojis/{emoji}.webp'): new = re.sub(f'\w*(?', new) if emoji in session["favorite_emojis"]: session["favorite_emojis"][emoji] += 1 else: session["favorite_emojis"][emoji] = 1 sanitized = sanitized.replace(old, new) for i in re.finditer('\w*(?', sanitized) elif path.isfile(f'./files/assets/images/emojis/{emoji}.webp'): sanitized = re.sub(f'\w*(?', sanitized) if emoji in session["favorite_emojis"]: session["favorite_emojis"][emoji] += 1 else: session["favorite_emojis"][emoji] = 1 sanitized = sanitized.replace("https://www.", "https://").replace("https://youtu.be/", "https://youtube.com/watch?v=").replace("https://music.youtube.com/watch?v=", "https://youtube.com/watch?v=").replace("https://open.spotify.com/", "https://open.spotify.com/embed/").replace("https://streamable.com/", "https://streamable.com/e/").replace("https://youtube.com/shorts/", "https://youtube.com/watch?v=").replace("https://mobile.twitter", "https://twitter").replace("https://m.facebook", "https://facebook").replace("https://m.wikipedia", "https://wikipedia").replace("https://m.youtube", "https://youtube") for i in re.finditer('" target="_blank">(https://youtube.com/watch\?v\=.*?)', sanitized): url = i.group(1) replacing = f'{url}' htmlsource = f'

' sanitized = sanitized.replace(replacing, htmlsource.replace("watch?v=", "embed/")) for i in re.finditer('{url}' htmlsource = f'
' sanitized = sanitized.replace(replacing, htmlsource) for i in re.finditer('

(https:.*?\.mp4)

', sanitized): sanitized = sanitized.replace(i.group(0), f'

') for i in re.finditer('{url}' htmlsource = f'' sanitized = sanitized.replace(replacing, htmlsource) for rd in ["https://reddit.com/", "https://new.reddit.com/", "https://www.reddit.com/", "https://redd.it/"]: sanitized = sanitized.replace(rd, "https://old.reddit.com/") sanitized = re.sub(' (https:\/\/[^ <>]*)', r' \1', sanitized) sanitized = re.sub('

(https:\/\/[^ <>]*)', r'

\1

', sanitized) return sanitized