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[[!template id=plugin name=groupfile core=0 author="[[Jogo]]"]]

This plugin add a group(groupname) function to [[ikiwiki/PageSpec]], which is true only if the actual user is member of the group named groupname.

Groups membership are read from a file. The syntax of this file is very close to usual /etc/passwd Unix file : the group's name, followed by a colon, followed by a coma separated list of user's names. For exemple :

dev:toto,foo
i18n:zorba

#!/usr/bin/perl
# GroupFile plugin.
# by Joseph Boudou <jogo at matabio dot net>

package IkiWiki::Plugin::groupfile;

use warnings;
use strict;
use IkiWiki 3.00;

sub import {
    hook(type => 'getsetup', id => 'groups', call => \&get_setup);
}

sub get_setup () {
    return (
        plugin => {
            safe    => 0,
            rebuild => 0,
        },
        group_file => {
            type        => 'string',
            example     => '/etc/ikiwiki/group',
            description => 'group file location',
            safe        => 0,
            rebuild     => 0,
        },
    );
}

my $users_of = 0;

sub get_groups () {
    if (not $users_of) {

        if (not defined $config{group_file}) {
            return 'group_file option not set';
        }

        open my $file, '<', $config{group_file}
            or return 'Unable to open group_file';

        $users_of = {};
        READ:
        while (<$file>) {
            next READ if (/^\s*$/);

            if (/^(\w+):([\w,]+)/) {
                %{ $users_of->{$1} } = map { $_ => 1 } split /,/, $2;
            }
            else {
                $users_of = "Error at group_file:$.";
                last READ;
            }
        }

        close $file;
    }

    return $users_of;
}

package IkiWiki::PageSpec;

sub match_group ($$;@) {
    shift;
    my $group  = shift;
    my %params = @_;

    if (not exists $params{user}) {
        return IkiWiki::ErrorReason->new('no user specified');
    }
    if (not defined $params{user}) {
        return IkiWiki::FailReason->new('not logged in');
    }

    my $users_of = IkiWiki::Plugin::groupfile::get_groups();
    if (not ref $users_of) {
        return IkiWiki::ErrorReason->new($users_of);
    }

    if (exists $users_of->{$group}{ $params{user} }) {
        return IkiWiki::SuccessReason->new("user is member of $group");
    }
    else {
        return IkiWiki::FailReason->new(
            "user $params{user} isn't member of $group");
    }
}

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