Mercurial > prosody-modules
view mod_latex/mod_latex.lua @ 3568:6b3181fe5617
mod_auth_token: Timezone fix for TOTP checking
luatz.time() returns milliseconds since epoch which is in UTC time, so we don't
need to convert to UTC with gmtime.
By calling gmtime, TOTP validation was failing when this module wasn't running
on machine set to UTC time.
author | JC Brand <jc@opkode.com> |
---|---|
date | Thu, 02 May 2019 11:07:27 +0200 |
parents | df8da7e4c2bf |
children |
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local st = require "stanza"; local urlencode = require "net.http".urlencode; local xmlns_xhtmlim = "http://jabber.org/protocol/xhtml-im"; local xmlns_xhtml = "http://www.w3.org/1999/xhtml"; local function replace_latex(data) local origin, stanza = data.origin, data.stanza; local body = stanza:get_child_text("body"); if not body or not body:match("%$%$") then return; end module:log("debug", "Replacing latex..."); local html = st.stanza("html", { xmlns = xmlns_xhtmlim }) :tag("body", { xmlns = xmlns_xhtml }); local in_latex, last_char; for snippet, up_to in body:gmatch("(.-)%$%$()") do last_char = up_to; if in_latex then -- Render latex and add image, next snippet is text in_latex = nil; html:tag("img", { src = "http://www.mathtran.org/cgi-bin/mathtran?D=2;tex="..urlencode(snippet), alt = snippet }):up(); else -- Add text to HTML, next snippet is latex in_latex = true; html:tag("span"):text(snippet):up(); end end if last_char < #body then html:tag("span"):text(body:sub(last_char, #body)):up(); end for n, tag in ipairs(stanza.tags) do module:log("debug", "Tag: %s|%s", tag.attr.xmlns or "", tag.name or ""); if tag.name == "html" and tag.attr.xmlns == xmlns_xhtmlim then stanza.tags[n] = html; for n, child in ipairs(stanza) do if child == tag then stanza[n] = html; end end return; end end stanza[#stanza+1] = html; stanza.tags[#stanza.tags+1] = html; end module:hook("message/bare", replace_latex, 30); module:hook("message/full", replace_latex, 30);