# HG changeset patch # User Matthew Wild # Date 1335717391 -3600 # Node ID c08b0e4b7b38e14d57f299b873b00824384e0970 # Parent 3e6f43ab7e22e099302f30a7f5dbe93318e6eeee mod_register_web: Extremely rough web registration page, with captcha diff -r 3e6f43ab7e22 -r c08b0e4b7b38 mod_register_web/mod_register_web.lua --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mod_register_web/mod_register_web.lua Sun Apr 29 17:36:31 2012 +0100 @@ -0,0 +1,102 @@ +local captcha_options = module:get_option("captcha_options", {}); + +function generate_captcha(display_options) + return (([[ + + + ]]):gsub("$$([^$]+)$%$", setmetatable({ + recaptcha_display_error = display_options and display_options.recaptcha_error + and ("&error="..display_options.recaptcha_error) or ""; + }, { + __index = function (t, k) + if captcha_options[k] then return captcha_options[k]; end + module:log("error", "Missing parameter from captcha_options: %s", k); + end }) + )); +end + +function generate_page(event, display_options) + local request = event.request; + return [[ + +

XMPP Account Registration

+
]] + ..("

%s

\n"):format((display_options or {}).register_error or "").. + [[ + + + + + + + + + + + +
Username:@server
Password:
]]..generate_captcha(display_options)..[[
+ +
+ ]]; +end + +function register_user(form) + if usermanager.user_exists(form.username, module.host) then + return nil, "user-exists"; + end + return usermanager.create_user(form.username, form.password, module.host); +end + +function generate_success(event, form) + return [[ +

Registration succeeded! Your account is 

]]
+		..form.username.."@"..module.host..
+	[[
- happy chatting!

]]; +end + +function generate_register_response(event, form, ok, err) + local message; + if ok then + return generate_success(event, form); + else + return generate_page(event, { register_error = err }); + end +end + +function handle_form(event) + local request, response = event.request, event.response; + local form = http.formdecode(request.body); + http.request("http://www.google.com/recaptcha/api/verify", { + body = http.formencode { + privatekey = captcha_options.recaptcha_private_key; + remoteip = request.conn:ip(); + challenge = form.recaptcha_challenge_field; + response = form.recaptcha_response_field; + }; + }, function (verify_result, code) + local verify_ok, verify_err = verify_result:match("^([^\n]+)\n([^\n]+)"); + if verify_ok == "true" then + local register_ok, register_err = register_user(form); + response:send(generate_register_response(event, form, register_ok, register_err)); + else + response:send(generate_page(event, { register_error = verify_err })); + end + end); + return true; -- Leave connection open until we respond above +end + +module:provides("http", { + route = { + GET = generate_page; + POST = handle_form; + }; +});