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local id = require "util.id";
local jid = require "util.jid";
local base64 = require "util.encodings".base64;
local token_store = module:open_store("auth_tokens", "map");
function create_jid_token(actor_jid, token_jid, token_scope, token_ttl)
token_jid = jid.prep(token_jid);
if not actor_jid or token_jid ~= actor_jid and not jid.compare(token_jid, actor_jid) then
return nil, "not-authorized";
end
local token_username, token_host, token_resource = jid.split(token_jid);
if token_host ~= module.host then
return nil, "invalid-host";
end
local token_info = {
owner = actor_jid;
expires = token_ttl and (os.time() + token_ttl) or nil;
jid = token_jid;
session = {
username = token_username;
host = token_host;
resource = token_resource;
auth_scope = token_scope;
};
};
local token_id = id.long();
local token = base64.encode("1;"..jid.join(token_username, token_host)..";"..token_id);
token_store:set(token_username, token_id, token_info);
return token, token_info;
end
local function parse_token(encoded_token)
local token = base64.decode(encoded_token);
if not token then return nil; end
local token_jid, token_id = token:match("^1;([^;]+);(.+)$");
if not token_jid then return nil; end
local token_user, token_host = jid.split(token_jid);
return token_id, token_user, token_host;
end
function get_token_info(token)
local token_id, token_user, token_host = parse_token(token);
if not token_id then
return nil, "invalid-token-format";
end
if token_host ~= module.host then
return nil, "invalid-host";
end
local token_info, err = token_store:get(token_user, token_id);
if not token_info then
if err then
return nil, "internal-error";
end
return nil, "not-authorized";
end
if token_info.expires and token_info.expires < os.time() then
return nil, "not-authorized";
end
return token_info
end
function revoke_token(token)
local token_id, token_user, token_host = parse_token(token);
if not token_id then
return nil, "invalid-token-format";
end
if token_host ~= module.host then
return nil, "invalid-host";
end
return token_store:set(token_user, token_id, nil);
end
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