cgiscripts/main.lua

#!/usr/bin/env lua

local fcgi = require"fcgi"
local etlua = require"etlua"
apps = {
    yqtemplate = require"yqtemplate"
}

local template = etlua.compile[[
<!DOCTYPE html>
<html>
<head>
    <title>Annwan's CGI scripts</title>
</head>
<body>
    <% if app and app ~= "" then %>
        <p>No such application: <b><%= app -%></b></p>
    <% end %>
    <h1>Available Applications</h1>
    <ul>
    <% for name, appdata in pairs(apps) do %>
        <li><a href=/cgi/<%= name -%>><%=name -%></a>: <%= appdata.desc -%></li>
    <% end %>
    </ul>
</body>
</html>
]]

while fcgi.accept() do
    app = fcgi.getenv("DOCUMENT_URI"):sub(6)
    appfn = apps[app]
    if appfn then
        appfn.run(fcgi)
    else
        fcgi.print"Content-Type: text/html; charset=utf-8\r\n\r\n"
        fcgi.print(template{
            app = app,
            apps = apps
        })
    end
end