snikket-server/snikket-modules/mod_invites_bootstrap/mod_invites_bootstrap.lua

67 lines
1.9 KiB
Lua

--luacheck: ignore 143/module
local http_formdecode = require "net.http".formdecode;
local secret = module:get_option_string("invites_bootstrap_secret");
if not secret then return; end
local invites_bootstrap_store = module:open_store("invites_bootstrap");
-- This should be a non-negative integer higher than any set for the
-- previous bootstrap event (if any)
local current_index = module:get_option_number("invites_bootstrap_index");
local invites = module:depends("invites");
module:depends("http");
local function handle_request(event)
local query_params = http_formdecode(event.request.url.query);
if not query_params.token or query_params.token ~= secret then
return 403;
end
local bootstrap_records = invites_bootstrap_store:get() or {};
if #bootstrap_records > 0 then
local last_bootstrap = bootstrap_records[#bootstrap_records];
if current_index == last_bootstrap.index then
event.response.headers.Location = last_bootstrap.result;
return 303;
elseif current_index < last_bootstrap.index then
return 410;
end
end
-- Create invite
local invite, invite_err = invites.create_account(nil, {
roles = { ["prosody:admin"] = true };
groups = { "default" };
source = "api/token/bootstrap-"..current_index;
});
if not invite then
module:log("error", "Failed to create bootstrap invite! %s", invite_err);
return 500;
end
-- Record this bootstrap event (to prevent replay)
table.insert(bootstrap_records, {
index = current_index;
timestamp = os.time();
result = invite.landing_page or invite.uri;
});
local record_ok, record_err = invites_bootstrap_store:set(nil, bootstrap_records);
if not record_ok then
module:log("error", "Failed to store bootstrap record: %s", record_err);
return 500;
end
event.response.headers.Location = invite.landing_page or invite.uri;
return 303;
end
module:provides("http", {
route = {
GET = handle_request;
};
});