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-module(mongoose_credentials). |
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-export([make_opts/1, |
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new/3, |
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lserver/1, |
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host_type/1, |
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auth_modules/1, |
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get/2, get/3, |
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set/3, |
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extend/2, |
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register/3]). |
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-export_type([t/0, opts/0]). |
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-record(mongoose_credentials, {lserver, host_type, registry = [], extra = [], modules}). |
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-type auth_event() :: any(). |
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-opaque t() :: |
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#mongoose_credentials{ %% These values are always present. |
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lserver :: jid:lserver(), |
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host_type :: mongooseim:host_type(), |
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%% Authorization success / failure registry. |
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registry :: [{mongoose_gen_auth:t(), auth_event()}], |
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%% These values are dependent on the ejabberd_auth backend in use. |
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%% Each backend may require different values to be present. |
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extra :: [proplists:property()], |
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modules :: [ejabberd_auth:authmodule()] }. |
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-type opts() :: #{}. |
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-spec make_opts(mongoose_listener:options()) -> opts(). |
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make_opts(#{allowed_auth_methods := Methods}) -> |
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#{allowed_modules => ejabberd_auth:methods_to_modules(Methods)}; |
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make_opts(#{}) -> |
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#{}. |
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-spec new(jid:lserver(), binary(), opts()) -> mongoose_credentials:t(). |
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new(LServer, HostType, Opts) when is_binary(LServer), is_binary(HostType) -> |
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HostTypeModules = ejabberd_auth:auth_modules_for_host_type(HostType), |
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Modules = filter_modules(HostTypeModules, Opts), |
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#mongoose_credentials{lserver = LServer, host_type = HostType, |
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modules = Modules}. |
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%% Allows to enable only some modules for some listeners |
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-spec filter_modules([ejabberd_auth:authmodule()], opts()) -> |
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[ejabberd_auth:authmodule()]. |
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filter_modules(Modules, #{allowed_modules := AllowedModules}) -> |
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[M || M <- Modules, lists:member(M, AllowedModules)]; |
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filter_modules(Modules, _) -> |
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Modules. |
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-spec host_type(t()) -> mongooseim:host_type(). |
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host_type(#mongoose_credentials{host_type = HostType}) -> HostType. |
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-spec lserver(t()) -> jid:lserver(). |
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lserver(#mongoose_credentials{lserver = S}) -> S. |
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-spec auth_modules(t()) -> [ejabberd_auth:authmodule()]. |
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auth_modules(#mongoose_credentials{modules = Modules}) -> Modules. |
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%% @doc Calls erlang:error/2 when Key is not found! |
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-spec get(t(), Key) -> Value when |
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Key :: any(), |
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Value :: any(). |
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get(#mongoose_credentials{extra = Extra} = C, Key) -> |
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case lists:keyfind(Key, 1, Extra) of |
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false -> error({not_found, Key}, [C, Key]); |
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{Key, Value} -> Value |
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end. |
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%% @doc Returns Default when Key is not found. |
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-spec get(t(), Key, Default) -> Value when |
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Key :: any(), |
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Default :: any(), |
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Value :: any(). |
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get(#mongoose_credentials{extra = Extra}, Key, Default) -> |
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case lists:keyfind(Key, 1, Extra) of |
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false -> Default; |
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{Key, Value} -> Value |
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end. |
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-spec set(t(), Key, Value) -> t() when |
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Key :: any(), |
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Value :: any(). |
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set(#mongoose_credentials{extra = Extra} = C, Key, Value) -> |
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NewExtra = lists:keystore(Key, 1, Extra, {Key, Value}), |
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C#mongoose_credentials{extra = NewExtra}. |
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-spec extend(t(), [{Key, Value}]) -> t() when |
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Key :: any(), |
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Value :: any(). |
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extend(#mongoose_credentials{} = C, KVPairs) -> |
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lists:foldl(fun ({K, V}, Creds) -> |
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?MODULE:set(Creds, K, V) |
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end, C, KVPairs). |
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-spec register(t(), mongoose_gen_auth:t(), auth_event()) -> t(). |
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register(#mongoose_credentials{} = C, Mod, Event) -> |
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#mongoose_credentials{registry = R} = C, |
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C#mongoose_credentials{registry = [{Mod, Event} | R]}. |