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package Fripost::Schema::Util;
=head1 NAME
Util.pm -
=cut
use 5.010_000;
use strict;
use warnings;
use utf8;
use Exporter 'import';
our @EXPORT_OK = qw /concat get_perms explode
must_attrs email_valid split_addr
canonical_dn ldap_explode_dn ldap_error
assert softdie/;
use Email::Valid;
use Net::IDN::Encode;
use Net::LDAP::Util;
use Encode;
# Let the first argument, if defined, intersperse the other arguments.
sub concat {
my $concat = shift;
if (defined $concat) {
return join ($concat, @_);
}
else {
return [ @_ ];
}
}
# The reverse of 'concat': takes a single line, and split it along
# "concat", if defined. Returns an array reference in any case.
sub explode {
my $concat = shift;
my $out;
if (defined $concat) {
$out = [ split /$concat/, $_[0] ];
}
else {
$out = [ @_ ];
}
[ grep { !/^\s*$/ } @$out ];
}
# This subroutine displays the access that the given DN has on the entry.
# Possible values are :
# - '': no rights
# - a: can create aliases
# - l: can create lists
# - al: can create aliases & lists
# - o: owner
# - p: postmaster
sub get_perms {
my ($entry, $dn) = @_;
my @dn = @{ldap_explode_dn ($dn)};
shift @dn;
my $dn2 = canonical_dn (@dn);
my $perms = '';
$perms .= 'a'
if grep { $dn eq $_ or $dn2 eq $_ }
$entry->get_value ('fripostCanAddAlias');
$perms .= 'l'
if grep { $dn eq $_ or $dn2 eq $_ }
$entry->get_value ('fripostCanAddList');
$perms = 'o'
if grep { $dn eq $_ } $entry->get_value('fripostOwner');
$perms = 'p'
if grep { $dn eq $_ } $entry->get_value('fripostPostmaster');
return $perms;
}
# "&must_att $h qw/a b c .../" ensures that attributes a b c... are all
# defined in the hash reference.
sub must_attrs {
my $h = shift;
foreach (@_) {
die 'Missing attribute: ‘'.$_."’\n"
unless defined $h->{$_} and
(ref $h->{$_} eq 'ARRAY' ? @{$h->{$_}} : $h->{$_} ne '')
}
}
# Ensure that the first argument is a valid email. Can also be used to
# check the validity of domains using the '-prefix' option.
# '-exact' forces the input to be a bare email, ("name <email>" is not
# allowed).
sub email_valid {
my $in = shift;
my %options = @_;
my $i = $in;
$i =~ s/^[^<>]+\s<([^>]+)>/$1/;
my $mesg = $options{'-error'} // "Invalid e-mail";
$in = $options{'-prefix'}.$i if defined $options{'-prefix'};
Encode::_utf8_on($in);
Encode::_utf8_on($i);
$in = Net::IDN::Encode::email_to_ascii($in);
my $addr = Email::Valid::->address( -address => $in,
-tldcheck => 1,
-fqdn => 1 );
my $match = defined $addr;
$match &&= $addr eq $in if $options{'-exact'};
unless ($match) {
return if $options{'-nodie'};
die $mesg." ‘".$i."’\n";
}
$addr =~ s/^$options{'-prefix'}// if defined $options{'-prefix'};
return $addr;
}
sub canonical_dn {
Net::LDAP::Util::canonical_dn(\@_, casefold => 'lower'
, mbcescape => 1
, reverse => 0
, separator => ',');
};
sub ldap_explode_dn {
Net::LDAP::Util::ldap_explode_dn( join (',', @_), casefold => 'lower' )
}
sub split_addr {
my $addr = shift;
my %options = @_;
if (defined $options{'-encode'}) {
my $e = $options{'-encode'};
if ($e eq 'ascii') {
$addr = Net::IDN::Encode::email_to_ascii($addr);
}
elsif ($e eq 'unicode') {
$addr = Net::IDN::Encode::email_to_unicode($addr);
}
else {
die "Unknown encoding: ". $e;
}
}
split /\@/, $addr, 2;
}
sub ldap_error {
my $mesg = shift;
my %options = @_;
my $error;
if (defined $options{'-die'}) {
if (ref $options{'-die'} eq 'HASH') {
if (exists $options{'-die'}->{$mesg->code}) {
$error = $options{'-die'}->{$mesg->code};
}
elsif (exists $options{'-die'}->{_}) {
$error = $options{'-die'}->{_};
}
else {
$error = $mesg->error;
}
}
else {
$error = $options{'-die'} if $mesg->code;
}
}
else {
$error = $mesg->error if $mesg->code;
}
return $mesg unless defined $error;
return unless $error;
if (defined $options{'-error'}) {
${$options{'-error'}} = $error;
}
else {
die $error, "\n";
}
}
sub assert {
my $what = shift;
my %options = @_;
return $what if defined $what;
die "Not defined.\n" unless defined $options{'-die'};
if (defined $options{'-error'}) {
${$options{'-error'}} = $options{'-die'};
}
else {
die $options{'-die'}, "\n";
}
}
sub softdie {
my $mesg = shift;
my %options = @_;
$options{'-die'} = $mesg;
&assert (undef, %options);
}
=head1 AUTHOR
Guilhem Moulin C<< <guilhem at fripost.org> >>
=head1 COPYRIGHT
Copyright 2012,2013 Guilhem Moulin.
=head1 LICENSE
This program is free software; you can redistribute it and/or modify it
under the same terms as perl itself.
=cut
1;
__END__
|
