Mercurial > prosody-modules
view mod_invites_register_web/mod_invites_register_web.lua @ 4738:5aee8d86629a
mod_bookmarks2: Fix handling of nick and password elements
This form of child retrieval fails when the stanza elements internally
don't have an 'xmlns' attribute, which can happen sometimes for some
reason, including when they have been constructed via the stanza builder
API. When that is the case then the explicit namespace arguemnt does not
match the nil value of the internal attribute. Calling `:get_child()`
without the namespace argument does the right thing here, with both nil
and the parent namespace as valid values for the internal attribute.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Wed, 03 Nov 2021 21:11:55 +0100 |
parents | 39d1a4ecdee6 |
children | 15cf32e666da |
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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 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]; }); 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; 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; 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; msg_class = "alert-warning"; message = "This username is already in use."; }); 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; }; });