#!/usr/bin/perl
+# Ikiwiki setup files can be perl files that 'use IkiWiki::Setup::foo',
+# passing it some sort of configuration data. Or, they can contain
+# the module name at the top, without the 'use', and the whole file is
+# then fed into that module.
+
+package IkiWiki::Setup;
use warnings;
use strict;
+use IkiWiki;
+use open qw{:utf8 :std};
+use File::Spec;
+
+sub load ($;$) {
+ my $file=IkiWiki::possibly_foolish_untaint(shift);
+ my $safemode=shift;
-package IkiWiki;
+ $config{setupfile}=File::Spec->rel2abs($file);
-sub setup () { # {{{
- my $setup=possibly_foolish_untaint($config{setup});
- delete $config{setup};
- open (IN, $setup) || error("read $setup: $!\n");
- my $code;
+ #translators: The first parameter is a filename, and the second
+ #translators: is a (probably not translated) error message.
+ open (IN, $file) || error(sprintf(gettext("cannot read %s: %s"), $file, $!));
+ my $content;
{
local $/=undef;
- $code=<IN>;
+ $content=<IN> || error("$file: $!");
}
- ($code)=$code=~/(.*)/s;
close IN;
- eval $code;
- error($@) if $@;
+ if ($content=~/((?:use|require)\s+)?IkiWiki::Setup::(\w+)/) {
+ $config{setuptype}=$2;
+ if ($1) {
+ error sprintf(gettext("cannot load %s in safe mode"), $file)
+ if $safemode;
+ no warnings;
+ eval IkiWiki::possibly_foolish_untaint($content);
+ error("$file: ".$@) if $@;
+ }
+ else {
+ eval qq{require IkiWiki::Setup::$config{setuptype}};
+ error $@ if $@;
+ "IkiWiki::Setup::$config{setuptype}"->loaddump(IkiWiki::possibly_foolish_untaint($content));
+ }
+ }
+ else {
+ error sprintf(gettext("failed to parse %s"), $file);
+ }
+}
+
+sub dump ($) {
+ my $file=IkiWiki::possibly_foolish_untaint(shift);
+
+ my @header=(
+ "Setup file for ikiwiki.",
+ "",
+ "Passing this to ikiwiki --setup will make ikiwiki generate",
+ "wrappers and build the wiki.",
+ "",
+ "Remember to re-run ikiwiki --setup any time you edit this file.",
+ );
+
+ # Fork because dumping setup requires loading all plugins.
+ my $pid=fork();
+ if ($pid == 0) {
+ eval qq{require IkiWiki::Setup::$config{setuptype}};
+ error $@ if $@;
+ my @dump="IkiWiki::Setup::$config{setuptype}"->gendump(@header);
+
+ open (OUT, ">", $file) || die "$file: $!";
+ print OUT "$_\n" foreach @dump;
+ close OUT;
+
+ exit 0;
+ }
+ else {
+ waitpid $pid, 0;
+ exit($? >> 8) if $? >> 8;
+ exit(1) if $?;
+ }
+}
+
+sub merge ($) {
+ # Merge setup into existing config and untaint.
+ my %setup=%{shift()};
+
+ if (exists $setup{add_plugins} && exists $config{add_plugins}) {
+ push @{$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 disabled_plugins (@) {
+ # Handles running disable hooks of plugins that were enabled
+ # previously, but got disabled when a new setup file was loaded.
+ if (exists $config{setupfile} && @_) {
+ # Fork a child to load the disabled plugins.
+ my $pid=fork();
+ if ($pid == 0) {
+ foreach my $plugin (@_) {
+ eval { IkiWiki::loadplugin($plugin, 1) };
+ if (exists $IkiWiki::hooks{disable}{$plugin}{call}) {
+ eval { $IkiWiki::hooks{disable}{$plugin}{call}->() };
+ }
+ }
+ exit(0);
+ }
+ else {
+ waitpid $pid, 0;
+ }
+ }
+}
+
+sub getsetup () {
+ # Gets all available setup data from all plugins. Returns an
+ # ordered list of [plugin, setup] pairs.
- exit;
-} #}}}
+ # disable logging to syslog while dumping, broken plugins may
+ # whine when loaded
+ my $syslog=$config{syslog};
+ $config{syslog}=undef;
+
+ # Load all plugins, so that all setup options are available.
+ my %original_loaded_plugins=%IkiWiki::loaded_plugins;
+ my @plugins=IkiWiki::listplugins();
+ foreach my $plugin (@plugins) {
+ eval { IkiWiki::loadplugin($plugin, 1) };
+ if (exists $IkiWiki::hooks{checkconfig}{$plugin}{call}) {
+ my @s=eval { $IkiWiki::hooks{checkconfig}{$plugin}{call}->() };
+ }
+ }
+ %IkiWiki::loaded_plugins=%original_loaded_plugins;
+
+ my %sections;
+ foreach my $plugin (@plugins) {
+ if (exists $IkiWiki::hooks{getsetup}{$plugin}{call}) {
+ # use an array rather than a hash, to preserve order
+ my @s=eval { $IkiWiki::hooks{getsetup}{$plugin}{call}->() };
+ next unless @s;
+
+ if (scalar(@s) % 2 != 0) {
+ print STDERR "warning: plugin $plugin has a broken getsetup; ignoring\n";
+ next;
+ }
+
+ # set default section value (note use of shared
+ # hashref between array and hash)
+ my %s=@s;
+ if (! exists $s{plugin} || ! $s{plugin}->{section}) {
+ $s{plugin}->{section}="other";
+ }
+
+ # only the selected rcs plugin is included
+ if ($config{rcs} && $plugin eq $config{rcs}) {
+ $s{plugin}->{section}="core";
+ }
+ elsif ($s{plugin}->{section} eq "rcs") {
+ next;
+ }
+
+ push @{$sections{$s{plugin}->{section}}}, [ $plugin, \@s ];
+ }
+ }
+
+ $config{syslog}=$syslog;
+
+ return map { sort { $a->[0] cmp $b->[0] } @{$sections{$_}} }
+ sort { # core first, other last, otherwise alphabetical
+ ($b eq "core") <=> ($a eq "core")
+ ||
+ ($a eq "other") <=> ($b eq "other")
+ ||
+ $a cmp $b
+ } keys %sections;
+}
+
+sub commented_dump ($$) {
+ my $dumpline=shift;
+ my $indent=shift;
+
+ my %setup=(%config);
+ my @ret;
+
+ # disable logging to syslog while dumping
+ $config{syslog}=undef;
+
+ eval q{use Text::Wrap};
+ die $@ if $@;
+
+ my %section_plugins;
+ push @ret, commented_dumpvalues($dumpline, $indent, \%setup, IkiWiki::getsetup());
+ foreach my $pair (IkiWiki::Setup::getsetup()) {
+ my $plugin=$pair->[0];
+ my $setup=$pair->[1];
+ my %s=@{$setup};
+ my $section=$s{plugin}->{section};
+ if (! defined $section) {
+ print STDERR "warning: missing section in $plugin\n";
+ $section="other";
+ }
+ push @{$section_plugins{$section}}, $plugin;
+ if (@{$section_plugins{$section}} == 1) {
+ push @ret, "", $indent.("#" x 70), "$indent# $section plugins",
+ sub {
+ wrap("$indent# (", "$indent# ",
+ join(", ", @{$section_plugins{$section}})).")"
+ },
+ $indent.("#" x 70);
+ }
+
+ my @values=commented_dumpvalues($dumpline, $indent, \%setup, @{$setup});
+ if (@values) {
+ push @ret, "", "$indent# $plugin plugin", @values;
+ }
+ }
+
+ return map { ref $_ ? $_->() : $_ } @ret;
+}
+
+sub commented_dumpvalues ($$$@) {
+ my $dumpline=shift;
+ my $indent=shift;
+ my $setup=shift;
+ my @ret;
+ while (@_) {
+ my $key=shift;
+ my %info=%{shift()};
+
+ next if $key eq "plugin" || $info{type} eq "internal";
+
+ push @ret, "$indent# ".$info{description} if exists $info{description};
+
+ if (exists $setup->{$key} && defined $setup->{$key}) {
+ push @ret, $dumpline->($key, $setup->{$key}, $info{type}, "");
+ delete $setup->{$key};
+ }
+ elsif (exists $info{example}) {
+ push @ret, $dumpline->($key, $info{example}, $info{type}, "#");
+ }
+ else {
+ push @ret, $dumpline->($key, "", $info{type}, "#");
+ }
+ }
+ return @ret;
+}
1