Mercurial > prosody-modules
view mod_storage_multi/mod_storage_multi.lua @ 5255:001c8fdc91a4
mod_http_oauth2: Add support for the "openid" scope
This "openid" scope is there to signal access to the userinfo endpoint,
which is needed for OIDC support.
We don't actually check this later because the userinfo endpoint only
returns info embedded in the token itself, but in the future we may want
to check this more carefully.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Thu, 16 Mar 2023 17:06:35 +0100 |
parents | 8c4a2d85e8bf |
children |
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-- mod_storage_multi local storagemanager = require"core.storagemanager"; local backends = module:get_option_array(module.name); -- TODO better name? -- TODO migrate data "upwards" -- one → one successful write is success -- all → all backends must report success -- majority → majority of backends must report success local policy = module:get_option_string(module.name.."_policy", "all"); local keyval_store = {}; keyval_store.__index = keyval_store; function keyval_store:get(username) local backends = self.backends; local data, err; for i = 1, #backends do module:log("debug", "%s:%s:get(%q)", tostring(backends[i].get), backends[i]._store, username); data, err = backends[i]:get(username); if err then module:log("error", tostring(err)); elseif not data then module:log("debug", "No data returned"); else module:log("debug", "Data returned"); return data, err; end end end -- This is where it gets complicated function keyval_store:set(username, data) local backends = self.backends; local ok, err, backend; local all, one, oks = true, false, 0; for i = 1, #backends do backend = backends[i]; module:log("debug", "%s:%s:set(%q)", tostring(backends[i].get), backends[i].store, username); ok, err = backend:set(username, data); if not ok then module:log("error", "Error in storage driver %s: %s", backend.name, tostring(err)); else oks = oks + 1; end one = one or ok; -- At least one successful write all = all and ok; -- All successful end if policy == "all" then return all, err elseif policy == "majority" then return oks > (#backends/2), err; end -- elseif policy == "one" then return one, err; end local stores = { keyval = keyval_store; } local driver = {}; function driver:open(store, typ) local store_mt = stores[typ or "keyval"]; if store_mt then local my_backends = {}; local driver, opened for i = 1, #backends do driver = storagemanager.load_driver(module.host, backends[i]); opened = driver:open(store, typ); my_backends[i] = assert(driver:open(store, typ)); my_backends[i]._store = store; end return setmetatable({ backends = my_backends }, store_mt); end return nil, "unsupported-store"; end module:provides("storage", driver);