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%%%------------------------------------------------------------------- |
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%%% @doc |
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%%% Completes delivery to local recipient or a component; called by |
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%%% main routing chain if it finds a handler to direct the message to. |
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%%% @end |
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%%%------------------------------------------------------------------- |
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-module(mongoose_local_delivery). |
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-author('bartlomiej.gorny@erlang-solutions.com'). |
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-include("jlib.hrl"). |
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%% API |
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-export([do_route/5]). |
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-spec do_route(jid:jid(), |
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jid:jid(), |
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mongoose_acc:t(), |
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exml:element(), |
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mongoose_packet_handler:t()) -> |
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mongoose_acc:t(). |
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do_route(OrigFrom, OrigTo, OrigAcc, OrigPacket, Handler) -> |
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% strip acc from all sender-related values, from now on we are interested in the recipient |
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LDstDomain = OrigTo#jid.lserver, |
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case mongoose_domain_api:get_host_type(LDstDomain) of |
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{error, not_found} -> |
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%% This can happen e.g. for external components |
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%% No handlers can be registered for filter_local_packet in this case |
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Acc = mongoose_acc:strip(#{lserver => LDstDomain, |
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from_jid => OrigFrom, |
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to_jid => OrigTo, |
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element => OrigPacket}, OrigAcc), |
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Acc1 = mongoose_packet_handler:process(Handler, Acc, OrigFrom, OrigTo, OrigPacket), |
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restore_acc_fields(OrigAcc, Acc1); |
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{ok, HostType} -> |
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Acc0 = mongoose_acc:strip(#{lserver => LDstDomain, |
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host_type => HostType, |
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from_jid => OrigFrom, |
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to_jid => OrigTo, |
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element => OrigPacket}, OrigAcc), |
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case mongoose_hooks:filter_local_packet({OrigFrom, OrigTo, Acc0, OrigPacket}) of |
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{From, To, Acc, Packet} -> |
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Acc1 = mongoose_acc:update_stanza(#{from_jid => From, |
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to_jid => To, |
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element => Packet}, Acc), |
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Acc2 = mongoose_packet_handler:process(Handler, Acc1, From, To, Packet), |
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restore_acc_fields(OrigAcc, Acc2); |
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drop -> |
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mongoose_hooks:xmpp_stanza_dropped(Acc0, OrigFrom, |
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OrigTo, OrigPacket), |
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Acc0 |
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end |
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end. |
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restore_acc_fields(OrigAcc, Acc) -> |
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HostType = mongoose_acc:host_type(OrigAcc), |
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LServer = mongoose_acc:lserver(OrigAcc), |
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Acc#{host_type := HostType, lserver := LServer}. |