Mercurial > prosody-modules
view mod_invites_register_web/mod_invites_register_web.lua @ 5185:09d6bbd6c8a4
mod_http_oauth2: Fix treatment of 'redirect_uri' parameter in code flow
It's optional and the one stored in the client registration should
really be used instead. RFC 6749 says an URI provided as parameter MUST
be validated against the stored one but does not say how.
Given that the client needs their secret to proceed, it seems fine to
leave this for later.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Thu, 02 Mar 2023 22:00:42 +0100 |
parents | 15cf32e666da |
children |
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local id = require "util.id"; local http_formdecode = require "net.http".formdecode; local usermanager = require "core.usermanager"; local modulemanager = require "core.modulemanager"; local nodeprep = require "util.encodings".stringprep.nodeprep; local st = require "util.stanza"; local url_escape = require "util.http".urlencode; local render_html_template = require"util.interpolation".new("%b{}", st.xml_escape, { urlescape = url_escape; }); local render_url = require "util.interpolation".new("%b{}", url_escape, { urlescape = url_escape; noscheme = function (url) return (url:gsub("^[^:]+:", "")); end; }); module:depends("register_apps"); local mod_password_policy = module:depends("password_policy"); local site_name = module:get_option_string("site_name", module.host); local site_apps = module:shared("register_apps/apps"); local webchat_url = module:get_option_string("webchat_url"); -- If not provided, but mod_conversejs is loaded, default to that if not webchat_url and modulemanager.get_modules_for_host(module.host):contains("conversejs") then local conversejs = module:depends("conversejs"); webchat_url = conversejs.module:http_url(); end module:depends("http"); local invites = module:depends("invites"); local invites_page = module:depends("invites_page"); function serve_register_page(event) local register_page_template = assert(module:load_resource("html/register.html")):read("*a"); local query_params = event.request.url.query and http_formdecode(event.request.url.query); local invite = query_params and invites.get(query_params.t); if not invite then return { status_code = 303; headers = { ["Location"] = invites_page.module:http_url().."?"..(event.request.url.query or ""); }; }; end event.response.headers["Content-Type"] = "text/html; charset=utf-8"; local invite_page = render_html_template(register_page_template, { site_name = site_name; token = invite.token; domain = module.host; uri = invite.uri; type = invite.type; jid = invite.jid; inviter = invite.inviter; app = query_params.c and site_apps[query_params.c]; password_policy = mod_password_policy.get_policy(); }); return invite_page; end function handle_register_form(event) local request, response = event.request, event.response; local form_data = http_formdecode(request.body); local user, password, token = form_data["user"], form_data["password"], form_data["token"]; local app_id = form_data["app_id"]; local register_page_template = assert(module:load_resource("html/register.html")):read("*a"); local error_template = assert(module:load_resource("html/register_error.html")):read("*a"); local invite = invites.get(token); if not invite then return { status_code = 303; headers = { ["Location"] = invites_page.module:http_url().."?"..event.request.url.query; }; }; end event.response.headers["Content-Type"] = "text/html; charset=utf-8"; if not user or #user == 0 or not password or #password == 0 or not token then return render_html_template(register_page_template, { site_name = site_name; token = invite.token; domain = module.host; uri = invite.uri; type = invite.type; jid = invite.jid; password_policy = mod_password_policy.get_policy(); msg_class = "alert-warning"; message = "Please fill in all fields."; }); end -- Shamelessly copied from mod_register_web. local prepped_username = nodeprep(user); if not prepped_username or #prepped_username == 0 then return render_html_template(register_page_template, { site_name = site_name; token = invite.token; domain = module.host; uri = invite.uri; type = invite.type; jid = invite.jid; password_policy = mod_password_policy.get_policy(); msg_class = "alert-warning"; message = "This username contains invalid characters."; }); end if usermanager.user_exists(prepped_username, module.host) then return render_html_template(register_page_template, { site_name = site_name; token = invite.token; domain = module.host; uri = invite.uri; type = invite.type; jid = invite.jid; password_policy = mod_password_policy.get_policy(); msg_class = "alert-warning"; message = "This username is already in use."; }); end local pw_ok, pw_error = mod_password_policy.check_password(password, { username = prepped_username; }); if not pw_ok then return render_html_template(register_page_template, { site_name = site_name; token = invite.token; domain = module.host; uri = invite.uri; type = invite.type; jid = invite.jid; password_policy = mod_password_policy.get_policy(); msg_class = "alert-warning"; message = pw_error; }); end local registering = { validated_invite = invite; username = prepped_username; host = module.host; ip = request.ip; allowed = true; }; module:fire_event("user-registering", registering); if not registering.allowed then return render_html_template(error_template, { site_name = site_name; msg_class = "alert-danger"; message = registering.reason or "Registration is not allowed."; }); end local ok, err = usermanager.create_user(prepped_username, password, module.host); if ok then module:fire_event("user-registered", { username = prepped_username; host = module.host; source = "mod_"..module.name; validated_invite = invite; ip = request.ip; }); local app_info = site_apps[app_id]; local success_template; if app_info then if app_info.login_link_format then local redirect_url = render_url(app_info.login_link_format, { site_name = site_name; username = prepped_username; domain = module.host; password = password; app = app_info; }); return { status_code = 303; headers = { ["Location"] = redirect_url; }; }; end -- If recognised app, we serve a page that includes setup instructions success_template = assert(module:load_resource("html/register_success_setup.html")):read("*a"); else success_template = assert(module:load_resource("html/register_success.html")):read("*a"); end -- Due to the credentials being served here, ensure that -- the browser or any intermediary does not cache the page event.response.headers["Cache-Control"] = "no-cache, no-store, must-revalidate"; event.response.headers["Pragma"] = "no-cache"; event.response.headers["Expires"] = "0"; return render_html_template(success_template, { site_name = site_name; username = prepped_username; domain = module.host; password = password; app = app_info; webchat_url = webchat_url; }); else local err_id = id.short(); module:log("warn", "Registration failed (%s): %s", err_id, tostring(err)); return render_html_template(error_template, { site_name = site_name; msg_class = "alert-danger"; message = ("An unknown error has occurred (%s)"):format(err_id); }); end end module:provides("http", { default_path = "register"; route = { ["GET"] = serve_register_page; ["POST"] = handle_register_form; }; });