path: root/IkiWiki/Setup.pm

#!/usr/bin/perl
# Ikiwiki setup files are perl files that 'use IkiWiki::Setup::foo',
# passing it some sort of configuration data.

package IkiWiki::Setup;

use warnings;
use strict;
use IkiWiki;
use open qw{:utf8 :std};

# There can be multiple modules, with different configuration styles.
# The setup modules each convert the data into the hashes used by ikiwiki
# internally (if it's not already in that format), and store it in
# IkiWiki::Setup::$raw_setup, to pass it back to this module.
our $raw_setup;

sub load ($) { # {{{
    my $setup=IkiWiki::possibly_foolish_untaint(shift);
    delete $config{setup};
    #translators: The first parameter is a filename, and the second
    #translators: is a (probably not translated) error message.
    open (IN, $setup) || error(sprintf(gettext("cannot read %s: %s"), $setup, $!));
    my $code;
    {
        local $/=undef;
        $code=<IN>;
    }
    ($code)=$code=~/(.*)/s;
    close IN;

    eval $code;
    error("$setup: ".$@) if $@;

    my %setup=%{$raw_setup};
    $raw_setup=undef;

    # Merge setup into existing config and untaint.
    if (exists $setup{add_plugins}) {
        push @{$setup{add_plugins}}, @{$config{add_plugins}};
    }
    if (exists $setup{exclude}) {
        push @{$config{wiki_file_prune_regexps}}, $setup{exclude};
    }
    foreach my $c (keys %setup) {
        if (defined $setup{$c}) {
            if (! ref $setup{$c} || ref $setup{$c} eq 'Regexp') {
                $config{$c}=IkiWiki::possibly_foolish_untaint($setup{$c});
            }
            elsif (ref $setup{$c} eq 'ARRAY') {
                if ($c eq 'wrappers') {
                    # backwards compatability code
                    $config{$c}=$setup{$c};
                }
                else {
                    $config{$c}=[map { IkiWiki::possibly_foolish_untaint($_) } @{$setup{$c}}]
                }
            }
            elsif (ref $setup{$c} eq 'HASH') {
                foreach my $key (keys %{$setup{$c}}) {
                    $config{$c}{$key}=IkiWiki::possibly_foolish_untaint($setup{$c}{$key});
                }
            }
        }
        else {
            $config{$c}=undef;
        }
    }
    
    if (length $config{cgi_wrapper}) {
        push @{$config{wrappers}}, {
            cgi => 1,
            wrapper => $config{cgi_wrapper},
            wrappermode => (defined $config{cgi_wrappermode} ? $config{cgi_wrappermode} : "06755"),
        };
    }
} #}}}

sub dump ($) { #{{{
    my $file=IkiWiki::possibly_foolish_untaint(shift);
    
    require IkiWiki::Setup::Standard;
    my @dump=IkiWiki::Setup::Standard::gendump("Setup file for ikiwiki.");

    open (OUT, ">", $file) || die "$file: $!";
    print OUT "$_\n" foreach @dump;
    close OUT;
}

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