mod_auth_cyrus: Auth provider with support for Cyrus SASL.

1 files changed, 77 insertions, 0 deletions

diff --git a/plugins/mod_auth_cyrus.lua b/plugins/mod_auth_cyrus.lua
new file mode 100644
index 00000000..6b34a541
--- /dev/null
+++ b/plugins/mod_auth_cyrus.lua
@@ -0,0 +1,77 @@
+-- Prosody IM
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
+-- Copyright (C) 2010 Jeff Mitchell
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+local log = require "util.logger".init("usermanager");
+local type = type;
+local ipairs = ipairs;
+local jid_bare = require "util.jid".bare;
+local config = require "core.configmanager";
+
+local cyrus_service_realm = module:get_option("cyrus_service_realm");
+local cyrus_service_name = module:get_option("cyrus_service_name");
+local cyrus_application_name = module:get_option("cyrus_application_name");
+
+prosody.unlock_globals(); --FIXME: Figure out why this is needed and
+						  -- why cyrussasl isn't caught by the sandbox
+local cyrus_new = require "util.sasl_cyrus".new;
+prosody.lock_globals();
+local new_sasl = function(realm)
+	return cyrus_new(
+		cyrus_service_realm or realm,
+		cyrus_service_name or "xmpp",
+		cyrus_application_name or "prosody"
+	);
+end
+
+function new_default_provider(host)
+	local provider = { name = "cyrus" };
+	log("debug", "initializing default authentication provider for host '%s'", host);
+
+	function provider.test_password(username, password)
+		return nil, "Legacy auth not supported with Cyrus SASL.";
+	end
+
+	function provider.get_password(username)
+		return nil, "Passwords unavailable for Cyrus SASL.";
+	end
+	
+	function provider.set_password(username, password)
+		return nil, "Passwords unavailable for Cyrus SASL.";
+	end
+
+	function provider.user_exists(username)
+		return true;
+	end
+
+	function provider.create_user(username, password)
+		return nil, "Account creation/modification not available with Cyrus SASL.";
+	end
+
+	function provider.get_sasl_handler()
+		local realm = module:get_option("sasl_realm") or module.host;
+		return new_sasl(realm);
+	end
+
+	function provider.is_admin(jid)
+		local admins = config.get(host, "core", "admins");
+		if admins ~= config.get("*", "core", "admins") and type(admins) == "table" then
+			jid = jid_bare(jid);
+			for _,admin in ipairs(admins) do
+				if admin == jid then return true; end
+			end
+		elseif admins then
+			log("error", "Option 'admins' for host '%s' is not a table", host);
+		end
+		return is_admin(jid); -- Test whether it's a global admin instead
+	end
+	return provider;
+end
+
+module:add_item("auth-provider", new_default_provider(module.host));
+