IkiWiki/Setup.pm

   1 #!/usr/bin/perl
   2 # Ikiwiki setup files are perl files that 'use IkiWiki::Setup::foo',
   3 # passing it some sort of configuration data.
   4
   5 package IkiWiki::Setup;
   6
   7 use warnings;
   8 use strict;
   9 use IkiWiki;
  10 use open qw{:utf8 :std};
  11 use File::Spec;
  12
  13 sub load ($) {
  14         my $setup=IkiWiki::possibly_foolish_untaint(shift);
  15         $config{setupfile}=File::Spec->rel2abs($setup);
  16
  17         #translators: The first parameter is a filename, and the second
  18         #translators: is a (probably not translated) error message.
  19         open (IN, $setup) || error(sprintf(gettext("cannot read %s: %s"), $setup, $!));
  20         my $code;
  21         {
  22                 local $/=undef;
  23                 $code=<IN> || error("$setup: $!");
  24         }
  25
  26         ($code)=$code=~/(.*)/s;
  27         close IN;
  28
  29         eval $code;
  30         error("$setup: ".$@) if $@;
  31 }
  32
  33 sub merge ($) {
  34         # Merge setup into existing config and untaint.
  35         my %setup=%{shift()};
  36
  37         if (exists $setup{add_plugins} && exists $config{add_plugins}) {
  38                 push @{$setup{add_plugins}}, @{$config{add_plugins}};
  39         }
  40         if (exists $setup{exclude}) {
  41                 push @{$config{wiki_file_prune_regexps}}, $setup{exclude};
  42         }
  43         foreach my $c (keys %setup) {
  44                 if (defined $setup{$c}) {
  45                         if (! ref $setup{$c} || ref $setup{$c} eq 'Regexp') {
  46                                 $config{$c}=IkiWiki::possibly_foolish_untaint($setup{$c});
  47                         }
  48                         elsif (ref $setup{$c} eq 'ARRAY') {
  49                                 if ($c eq 'wrappers') {
  50                                         # backwards compatability code
  51                                         $config{$c}=$setup{$c};
  52                                 }
  53                                 else {
  54                                         $config{$c}=[map { IkiWiki::possibly_foolish_untaint($_) } @{$setup{$c}}]
  55                                 }
  56                         }
  57                         elsif (ref $setup{$c} eq 'HASH') {
  58                                 foreach my $key (keys %{$setup{$c}}) {
  59                                         $config{$c}{$key}=IkiWiki::possibly_foolish_untaint($setup{$c}{$key});
  60                                 }
  61                         }
  62                 }
  63                 else {
  64                         $config{$c}=undef;
  65                 }
  66         }
  67
  68         if (length $config{cgi_wrapper}) {
  69                 push @{$config{wrappers}}, {
  70                         cgi => 1,
  71                         wrapper => $config{cgi_wrapper},
  72                         wrappermode => (defined $config{cgi_wrappermode} ? $config{cgi_wrappermode} : "06755"),
  73                 };
  74         }
  75 }
  76
  77 sub getsetup () {
  78         # Gets all available setup data from all plugins. Returns an
  79         # ordered list of [plugin, setup] pairs.
  80
  81         # disable logging to syslog while dumping, broken plugins may
  82         # whine when loaded
  83         my $syslog=$config{syslog};
  84         $config{syslog}=undef;
  85
  86         # Load all plugins, so that all setup options are available.
  87         my @plugins=IkiWiki::listplugins();
  88         foreach my $plugin (@plugins) {
  89                 eval { IkiWiki::loadplugin($plugin) };
  90                 if (exists $IkiWiki::hooks{checkconfig}{$plugin}{call}) {
  91                         my @s=eval { $IkiWiki::hooks{checkconfig}{$plugin}{call}->() };
  92                 }
  93         }
  94
  95         my %sections;
  96         foreach my $plugin (@plugins) {
  97                 if (exists $IkiWiki::hooks{getsetup}{$plugin}{call}) {
  98                         # use an array rather than a hash, to preserve order
  99                         my @s=eval { $IkiWiki::hooks{getsetup}{$plugin}{call}->() };
 100                         next unless @s;
 101
 102                         # set default section value (note use of shared
 103                         # hashref between array and hash)
 104                         my %s=@s;
 105                         if (! exists $s{plugin} || ! $s{plugin}->{section}) {
 106                                 $s{plugin}->{section}="other";
 107                         }
 108
 109                         # only the selected rcs plugin is included
 110                         if ($config{rcs} && $plugin eq $config{rcs}) {
 111                                 $s{plugin}->{section}="core";
 112                         }
 113                         elsif ($s{plugin}->{section} eq "rcs") {
 114                                 next;
 115                         }
 116
 117                         push @{$sections{$s{plugin}->{section}}}, [ $plugin, \@s ];
 118                 }
 119         }
 120
 121         $config{syslog}=$syslog;
 122
 123         return map { sort { $a->[0] cmp $b->[0] } @{$sections{$_}} }
 124                 sort { # core first, other last, otherwise alphabetical
 125                         ($b eq "core") <=> ($a eq "core")
 126                            ||
 127                         ($a eq "other") <=> ($b eq "other")
 128                            ||
 129                         $a cmp $b
 130                 } keys %sections;
 131 }
 132
 133 sub dump ($) {
 134         my $file=IkiWiki::possibly_foolish_untaint(shift);
 135
 136         require IkiWiki::Setup::Standard;
 137         my @dump=IkiWiki::Setup::Standard::gendump("Setup file for ikiwiki.");
 138
 139         open (OUT, ">", $file) || die "$file: $!";
 140         print OUT "$_\n" foreach @dump;
 141         close OUT;
 142 }
 143
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