310c6c4424
* Integrate chat from upstream Substantially borrowed from upstream ref: 13a208ee88e55 (before they started editing generated artefacts instead of source). Integrated, including: - Remove previously removed features: emoji, hats, and name colors - Compensate for lack of unified root template - Add React build process to Dockerfile and `bootstrap/init.sh` - Preliminary integration of chat websocket workers For testing, modify `supervisord.conf.dev` to put chat on port 80 and the site service on some other port. Then visit: http://localhost/chat Still to do: - Access control for specific small-groups (and admins probably): Set the values somewhere (site_settings.json? Redis?) and use for authorization in `chat_is_allowed`. - Proxying only /chat to the websocket workers - Chat persistance across restarts: either Redis devops or to DB * Add nginx server to do appropriate redirection. * Add necessary columns to User. * Wire up chat permissions. * Reload chat on source change. * Add a better structure for slash commands and add/remove functionality. * Stop putting up previews of slash commands. * We require more whitespace. * Strip DMs out entirely, I currently do not want to deal with them. * Change "Users Online" to just "Users". * Clean up a little more DM detritus. * Save chat history in database. * Remove unnecessary hefty query to the DB. * Clean up optimistic messages. * Initial implementation of notification icon. * Update readme a little bit. * Fix notification highlight (mostly). * Remove chat version number that will never be updated. * Fix: Errors on logged-out users. * Add function to nuke the chat state. * Update DB. * Add a dedicated deployable docker image. * Fix: init_build.sh execute bit not set. * Whoops, screwed up the abort() call. * Relax chat rate limiter. * Remove a somewhat silly comment. * Remove an unnecessary g.db.add(). --------- Co-authored-by: TLSM <duolsm@outlook.com>
80 lines
3.2 KiB
Python
80 lines
3.2 KiB
Python
import re
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# usernames
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valid_username_chars = 'a-zA-Z0-9_\\-'
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valid_username_regex = re.compile("^[a-zA-Z0-9_\\-]{3,25}$", flags=re.A)
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mention_regex = re.compile('(^|\\s|<p>)@(([a-zA-Z0-9_\\-]){1,25})', flags=re.A)
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mention_regex2 = re.compile('<p>@(([a-zA-Z0-9_\\-]){1,25})', flags=re.A)
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valid_password_regex = re.compile("^.{8,100}$", flags=re.A)
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marsey_regex = re.compile("[a-z0-9]{1,30}", flags=re.A)
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tags_regex = re.compile("[a-z0-9: ]{1,200}", flags=re.A)
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valid_sub_regex = re.compile("^[a-zA-Z0-9_\\-]{3,20}$", flags=re.A)
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query_regex = re.compile("(\\w+):(\\S+)", flags=re.A)
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title_regex = re.compile("[^\\w ]", flags=re.A)
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based_regex = re.compile("based and (.{1,20}?)(-| )pilled", flags=re.I|re.A)
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controversial_regex = re.compile('["> ](https:\\/\\/old\\.reddit\\.com/r/[a-zA-Z0-9_]{3,20}\\/comments\\/[\\w\\-.#&/=\\?@%+]{5,250})["< ]', flags=re.A)
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fishylinks_regex = re.compile("https?://\\S+", flags=re.A)
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spoiler_regex = re.compile('''\\|\\|(.+?)\\|\\|''', flags=re.A)
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reddit_regex = re.compile('(^|\\s|<p>)\\/?((r|u)\\/(\\w|-){3,25})(?![^<]*<\\/(code|pre|a)>)', flags=re.A)
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sub_regex = re.compile('(^|\\s|<p>)\\/?(h\\/(\\w|-){3,25})', flags=re.A)
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unwanted_bytes_regex = re.compile("\u200e|\u200f|\u200b|\ufeff|\U0001242a")
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'''
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Bytes that shouldn't be allowed in user-submitted text
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U+200E is LTR toggle, U+200F is RTL toggle, U+200B and U+FEFF are Zero-Width
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Spaces, and U+1242A is a massive and terrifying cuneiform numeral
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'''
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whitespace_regex = re.compile('\\s+')
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strikethrough_regex = re.compile('''~{1,2}([^~]+)~{1,2}''', flags=re.A)
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chat_command_regex = re.compile(r"^/(\w+)\s?(.*)", flags=re.A)
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emoji_regex = re.compile(f"[^a]>\\s*(:[!#@]{{0,3}}[{valid_username_chars}]+:\\s*)+<\\/", flags=re.A)
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emoji_regex2 = re.compile(f"(?<!\"):([!#@{valid_username_chars}]{{1,31}}?):", flags=re.A)
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emoji_regex3 = re.compile(f"(?<!\"):([!@{valid_username_chars}]{{1,31}}?):", flags=re.A)
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snappy_url_regex = re.compile('<a href=\\"(https?:\\/\\/[a-z]{1,20}\\.[\\w:~,()\\-.#&\\/=?@%;+]{5,250})\\" rel=\\"nofollow noopener noreferrer\\" target=\\"_blank\\">([\\w:~,()\\-.#&\\/=?@%;+]{5,250})<\\/a>', flags=re.A)
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email_regex = re.compile('[^@]+@[^@]+\\.[^@]+', flags=re.A)
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'''
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Regex to use for email addresses.
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.. note::
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Technically this allows stuff that is not a valid email address, but
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realistically we care "does this email go to the correct person" rather
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than "is this email address syntactically valid", so if we care we should
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be sending a confirmation link, and otherwise should be pretty liberal in
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what we accept here.
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'''
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utm_regex = re.compile('utm_[a-z]+=[a-z0-9_]+&', flags=re.A)
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utm_regex2 = re.compile('[?&]utm_[a-z]+=[a-z0-9_]+', flags=re.A)
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# urls
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youtube_regex = re.compile('(<p>[^<]*)(https:\\/\\/youtube\\.com\\/watch\\?v\\=([a-z0-9-_]{5,20})[\\w\\-.#&/=\\?@%+]*)', flags=re.I|re.A)
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yt_id_regex = re.compile('[a-z0-9-_]{5,20}', flags=re.I|re.A)
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image_regex = re.compile("(^|\\s)(https:\\/\\/[\\w\\-.#&/=\\?@%;+]{5,250}(\\.png|\\.jpg|\\.jpeg|\\.gif|\\.webp|maxwidth=9999|fidelity=high))($|\\s)", flags=re.I|re.A)
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linefeeds_regex = re.compile("([^\\n])\\n([^\\n])", flags=re.A)
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html_title_regex = re.compile(r"<title>(.{1,200})</title>", flags=re.I)
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css_url_regex = re.compile(r'url\(\s*[\'"]?(.*?)[\'"]?\s*\)', flags=re.I|re.A)
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