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package Fripost::Commands::add_alias;
use 5.010_000;
use strict;
use warnings;
use utf8;
=head1 NAME
add_alias - Add a new virtual alias
=cut
use FindBin qw($Bin);
use lib "$Bin/lib";
use Email::Valid;
use Fripost::Prompt;
use Fripost::Schema;
use Fripost::Email;
our $VERSION = '0.01';
sub main {
my $ldap = shift;
my $conf = shift;
my $goto = shift;
my @addr = @_;
prompt_if_undefined ( "Alias goto address: ", \$goto,
[ rewrite => sub { fix_username $_ }
, 'Invalid e-mail' => sub { Email::Valid->address('fake'.$_) }
]
);
# Since we don't have that many users and aliases for the time
# being, it's probably better to load the whole graph of aliases in
# memory, not to make too many queries to the LDAP server.
my $graph = &build_alias_graph( $ldap->alias->search()->entries );
prompt_if_undefined ( "Alias from address(es): ", \@addr,
[ rewrite => sub { fix_username $_ }
, 'Invalid e-mail' => sub { Email::Valid->address('fake'.$_) }
, 'Unknown domain' => sub { $ldap->domain->search({
domain => (split /\@/, $_, 2)[1]
})->count }
, 'User exists' => sub { $ldap->user->search({
username => $_
})->count == 0 }
, 'Alias exists' => sub { $conf->{force} or
$ldap->alias->search({
address => $_
})->count == 0 }
, "Is already an alias for `$goto'" =>
sub { $ldap->alias->search({
address => $_, goto => $goto
})->count == 0 }
, "Reachable from `$goto'" =>
sub { !&search_path ($graph, $goto, $_, ($conf->{debug} or
$conf->{verbose})) }
]
);
unless (@addr) {
say "All right, not much to do.";
exit 0;
}
say "Goto adress: $goto";
say "From adress(es): " . (join ", ", @addr);
confirm_or_abort();
my $msg = new_alias_info_message ($conf, $goto, \@addr);
## Insert alias
for my $addr (@addr) {
if ($conf->{pretend}) {
say STDERR "Did not create alias since we are pretending."
if $conf->{verbose} or $conf->{debug};
}
else {
$ldap->alias->add({ address => $addr, goto => $goto,
isActive => 'TRUE' });
say "New alias added from $addr to $goto.";
}
}
if ($conf->{pretend}) {
say STDERR "Did not send confirmation since we are pretending."
if $conf->{verbose} or $conf->{debug};
}
else {
if (confirm "Send confirmation? ") {
$msg->send();
say "Sent confirmation (". (security_status $msg) .").";
}
}
}
# Build the graph of aliases. It is a hash where the keys are the 'from'
# part of the aliases, and the values are array references of the 'goto'
# part.
# For 'search_path' it is better to do it that way, as for a given
# 'from' the list of 'goto' is likely to be of length one only. (Hence
# the stack won't blow up.)
sub build_alias_graph {
my $graph;
foreach (@_) {
my $to = $_->{goto};
foreach my $from (@{$_->{address}}) {
push @{$graph->{$from}}, $to;
}
}
return $graph;
}
# Search a path in the given graph.
sub search_path {
my ($graph, $from, $to, $verbose) = @_;
my @stack;
push @stack, [$from];
while (@stack) {
my $path = pop @stack;
my $last = @{$path}[$#$path];
if ($last eq $to) {
say STDERR 'Path found: ', join (' -> ', @$path) if $verbose;
return @$path;
}
foreach (@{$graph->{$last}}) {
push @stack, [@$path,$_];
}
}
}
=head1 AUTHOR
Stefan Kangas C<< <skangas at skangas.se> >>
Guilhem Moulin C<< <guilhem at fripost.org> >>
=head1 COPYRIGHT
Copyright 2010,2011 Stefan Kangas.
Copyright 2012 Guilhem Moulin.
=head1 LICENSE
This program is free software; you can redistribute it and/or modify it
under the same terms as perl itself.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
=cut
1; # End of add_alias.pm
__END__
|
