# Copyright (C) 2021 all contributors
# License: AGPL-3.0+
# Authentication worker for anything that needs auth for read/write IMAP
# (eventually for read-only NNTP access)
#
# timelines
# lei-daemon | LeiAuth worker #0 | other WQ workers
# ----------------------------------------------------------
# spawns all workers ---->[ workers all start and run ipc_atfork_child ]
# | do_auth_atfork | wq_worker_loop sleep
# | # reads .netrc |
# | # queries git-credential|
# | send net_merge_continue |
# | | |
# | v |
# recv net_merge_continue <---------/ |
# | | |
# v | |
# broadcast net_merge_all [ all workers (including LeiAuth worker #0) ]
# [ LeiAuth worker #0 becomes just another WQ worker ]
# |
# call net_merge_all_done ->-> do per-WQ-class defined actions
package PublicInbox::LeiAuth;
use strict;
use v5.10.1;
sub do_auth_atfork { # used by IPC WQ workers
my ($self, $wq) = @_;
return if $wq->{-wq_worker_nr} != 0; # only first worker calls this
my $lei = $wq->{lei};
my $net = $lei->{net};
if ($net->{-auth_done}) { # from previous worker... (ugly)
$lei->{pkt_op_p}->pkt_do('net_merge_continue', $net) or
$lei->fail("pkt_do net_merge_continue: $!");
return;
}
eval { # fill auth info (may prompt user or read netrc)
my $mics = $net->imap_common_init($lei);
my $nn = $net->nntp_common_init($lei);
# broadcast successful auth info to lei-daemon:
$net->{-auth_done} = 1;
$lei->{pkt_op_p}->pkt_do('net_merge_continue', $net) or
die "pkt_do net_merge_continue: $!";
$net->{mics_cached} = $mics if $mics;
$net->{nn_cached} = $nn if $nn;
};
$lei->fail($@) if $@;
}
sub net_merge_all { # called in wq worker via wq_broadcast
my ($wq, $net_new) = @_;
my $net = $wq->{lei}->{net};
%$net = (%$net, %$net_new);
}
# called by top-level lei-daemon when first worker is done with auth
# passes updated net auth info to current workers
sub net_merge_continue {
my ($wq, $lei, $net_new) = @_;
$wq->{-net_new} = $net_new; # for "lei up"
$wq->wq_broadcast('PublicInbox::LeiAuth::net_merge_all', $net_new);
$wq->net_merge_all_done($lei); # defined per-WQ
}
sub op_merge { # prepares PktOp->pair ops
my ($self, $ops, $wq, $lei) = @_;
$ops->{net_merge_continue} = [ \&net_merge_continue, $wq, $lei ];
}
sub new { bless \(my $x), __PACKAGE__ }
1;