%%%----------------------------------------------------------------------
%%%
%%% ejabberd, Copyright (C) 2002-2019   ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
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%%%----------------------------------------------------------------------

-define(LDAP_PORT, 389).

-define(LDAPS_PORT, 636).

-type scope() :: baseObject | singleLevel | wholeSubtree.

-record(eldap_search,
	{scope = wholeSubtree              :: scope(),
         base = <<"">>                     :: binary(),
         filter                            :: eldap:filter() | undefined,
         limit = 0                         :: non_neg_integer(),
	 attributes = []                   :: [binary()],
         types_only = false                :: boolean(),
	 deref_aliases = neverDerefAliases :: neverDerefAliases |
                                              derefInSearching |
                                              derefFindingBaseObj |
                                              derefAlways,
         timeout = 0                       :: non_neg_integer()}).

-record(eldap_search_result, {entries = []   :: [eldap_entry()],
                              referrals = [] :: list()}).

-record(eldap_entry, {object_name = <<>> :: binary(),
                      attributes = []    :: [{binary(), [binary()]}]}).

-type tlsopts() :: [{encrypt, tls | starttls | none} |
                    {tls_cacertfile, binary() | undefined} |
                    {tls_depth, non_neg_integer() | undefined} |
                    {tls_verify, hard | soft | false}].

-record(eldap_config, {servers = [] :: [binary()],
                       backups = [] :: [binary()],
                       tls_options = [] :: tlsopts(),
                       port = ?LDAP_PORT :: inet:port_number(),
                       dn = <<"">> :: binary(),
                       password = <<"">> :: binary(),
                       base = <<"">> :: binary(),
                       deref_aliases = never :: never | searching |
                                                finding | always}).

-type eldap_config() :: #eldap_config{}.
-type eldap_search() :: #eldap_search{}.
-type eldap_entry() :: #eldap_entry{}.
