aboutsummaryrefslogtreecommitdiffstats
path: root/lib/Fripost/Schema/Misc.pm
blob: 39fa3b7339f8e8214a2f563adf26ccfc85147180 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
package Fripost::Schema::Misc;

=head1 NAME

Misc.pm -

=cut

use 5.010_000;
use strict;
use warnings;
use utf8;
use feature "unicode_strings";

use Exporter 'import';
our @EXPORT_OK = qw /concat get_perms explode
                     must_attrs email_valid/;
use Email::Valid;
use Net::IDN::Encode;
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 $perms = '';

    $perms .= 'a'
        if grep { $dn eq $_  or  (split /,/,$dn,2)[1] eq $_ }
                $entry->get_value ('fripostCanCreateAlias');

    $perms .= 'l'
        if grep { $dn eq $_  or  (split /,/,$dn,2)[1] eq $_ }
                $entry->get_value ('fripostCanCreateList');

    $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);
    $in = Net::IDN::Encode::email_to_ascii($in);

    my $addr = Email::Valid::->address( -address => $in,
                                        -tldcheck => 1,
                                        -fqdn => 1 );
    my $match = defined $addr;
    $match &&= $addr eq $in  if $options{'-exact'};
    die $mesg." ‘".$i."‘\n" unless $match;
    $addr =~ s/^$options{'-prefix'}// if defined $options{'-prefix'};
    return $addr;
}


=head1 AUTHOR

Guilhem Moulin C<< <guilhem at fripost.org> >>

=head1 COPYRIGHT

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.

=cut

1;

__END__