]> sipb.mit.edu Git - ikiwiki.git/blobdiff - ikiwiki
improve regexp
[ikiwiki.git] / ikiwiki
diff --git a/ikiwiki b/ikiwiki
index 7f6480e0c7438b561c644872e685c29477aea1d7..099a821b7ad9fe7afebf53634edb34f49ab85671 100755 (executable)
--- a/ikiwiki
+++ b/ikiwiki
 #!/usr/bin/perl -T
-
 $ENV{PATH}="/usr/local/bin:/usr/bin:/bin";
 
-use lib '.'; # For use without installation, removed by Makefile.
-
 package IkiWiki;
 use warnings;
 use strict;
-use File::Spec;
-use HTML::Template;
-
-use vars qw{%config %links %oldlinks %oldpagemtime %renderedfiles %pagesources};
-
-# Holds global config settings, also used by some modules.
-our %config=( #{{{
-       wiki_file_prune_regexp => qr{((^|/).svn/|\.\.|^\.|\/\.|\.html?$)},
-       wiki_link_regexp => qr/\[\[([^\s\]]+)\]\]/,
-       wiki_file_regexp => qr/(^[-A-Za-z0-9_.:\/+]+$)/,
-       verbose => 0,
-       wikiname => "wiki",
-       default_pageext => ".mdwn",
-       cgi => 0,
-       svn => 1,
-       url => '',
-       cgiurl => '',
-       historyurl => '',
-       diffurl => '',
-       anonok => 0,
-       rebuild => 0,
-       wrapper => undef,
-       wrappermode => undef,
-       srcdir => undef,
-       destdir => undef,
-       templatedir => "/usr/share/ikiwiki/templates",
-       setup => undef,
-       adminuser => undef,
-); #}}}
-
-# option parsing #{{{
-if (! exists $ENV{WRAPPED_OPTIONS}) {
-       eval q{use Getopt::Long};
-       GetOptions(
-               "setup|s=s" => \$config{setup},
-               "wikiname=s" => \$config{wikiname},
-               "verbose|v!" => \$config{verbose},
-               "rebuild!" => \$config{rebuild},
-               "wrapper:s" => sub { $config{wrapper}=$_[1] ? $_[1] : "ikiwiki-wrap" },
-               "wrappermode=i" => \$config{wrappermode},
-               "svn!" => \$config{svn},
-               "anonok!" => \$config{anonok},
-               "cgi!" => \$config{cgi},
-               "url=s" => \$config{url},
-               "cgiurl=s" => \$config{cgiurl},
-               "historyurl=s" => \$config{historyurl},
-               "diffurl=s" => \$config{diffurl},
-               "exclude=s@" => sub {
-                       $config{wiki_file_prune_regexp}=qr/$config{wiki_file_prune_regexp}|$_[1]/;
-               },
-               "adminuser=s@" => sub { push @{$config{adminuser}}, $_[1] },
-               "templatedir=s" => sub { $config{templatedir}=possibly_foolish_untaint($_[1]) },
-       ) || usage();
-
-       if (! $config{setup}) {
-               usage() unless @ARGV == 2;
-               $config{srcdir} = possibly_foolish_untaint(shift);
-               $config{destdir} = possibly_foolish_untaint(shift);
-               checkoptions();
-       }
-}
-else {
-       # wrapper passes a full config structure in the environment
-       # variable
-       eval possibly_foolish_untaint($ENV{WRAPPED_OPTIONS});
-       checkoptions();
-}
-#}}}
-
-sub checkoptions { #{{{
-       if ($config{cgi} && ! length $config{url}) {
-               error("Must specify url to wiki with --url when using --cgi");
-       }
-       
-       $config{wikistatedir}="$config{srcdir}/.ikiwiki"
-               unless exists $config{wikistatedir};
-       
-       if ($config{svn}) {
-               require IkiWiki::RCS::SVN;
-               $config{rcs}=1;
-       }
-       else {
-               require IkiWiki::RCS::Stub;
-               $config{rcs}=0;
-       }
-} #}}}
+use lib '.'; # For use without installation, removed by Makefile.
+use IkiWiki;
 
-sub usage { #{{{
+sub usage () { #{{{
        die "usage: ikiwiki [options] source dest\n";
 } #}}}
 
-sub error { #{{{
-       if ($config{cgi}) {
-               print "Content-type: text/html\n\n";
-               print misctemplate("Error", "<p>Error: @_</p>");
-       }
-       die @_;
-} #}}}
-
-sub debug ($) { #{{{
-       return unless $config{verbose};
-       if (! $config{cgi}) {
-               print "@_\n";
-       }
-       else {
-               print STDERR "@_\n";
-       }
-} #}}}
-
-sub possibly_foolish_untaint { #{{{
-       my $tainted=shift;
-       my ($untainted)=$tainted=~/(.*)/;
-       return $untainted;
-} #}}}
-
-sub basename ($) { #{{{
-       my $file=shift;
-
-       $file=~s!.*/!!;
-       return $file;
-} #}}}
-
-sub dirname ($) { #{{{
-       my $file=shift;
-
-       $file=~s!/?[^/]+$!!;
-       return $file;
-} #}}}
-
-sub pagetype ($) { #{{{
-       my $page=shift;
-       
-       if ($page =~ /\.mdwn$/) {
-               return ".mdwn";
-       }
-       else {
-               return "unknown";
-       }
-} #}}}
-
-sub pagename ($) { #{{{
-       my $file=shift;
-
-       my $type=pagetype($file);
-       my $page=$file;
-       $page=~s/\Q$type\E*$// unless $type eq 'unknown';
-       return $page;
-} #}}}
-
-sub htmlpage ($) { #{{{
-       my $page=shift;
-
-       return $page.".html";
-} #}}}
-
-sub readfile ($) { #{{{
-       my $file=shift;
-
-       if (-l $file) {
-               error("cannot read a symlink ($file)");
-       }
-       
-       local $/=undef;
-       open (IN, "$file") || error("failed to read $file: $!");
-       my $ret=<IN>;
-       close IN;
-       return $ret;
-} #}}}
-
-sub writefile ($$) { #{{{
-       my $file=shift;
-       my $content=shift;
-       
-       if (-l $file) {
-               error("cannot write to a symlink ($file)");
-       }
-
-       my $dir=dirname($file);
-       if (! -d $dir) {
-               my $d="";
-               foreach my $s (split(m!/+!, $dir)) {
-                       $d.="$s/";
-                       if (! -d $d) {
-                               mkdir($d) || error("failed to create directory $d: $!");
+sub getconfig () { #{{{
+       if (! exists $ENV{WRAPPED_OPTIONS}) {
+               %config=defaultconfig();
+               eval q{use Getopt::Long};
+               GetOptions(
+                       "setup|s=s" => \$config{setup},
+                       "wikiname=s" => \$config{wikiname},
+                       "verbose|v!" => \$config{verbose},
+                       "rebuild!" => \$config{rebuild},
+                       "refresh!" => \$config{refresh},
+                       "getctime" => \$config{getctime},
+                       "wrappermode=i" => \$config{wrappermode},
+                       "rcs=s" => \$config{rcs},
+                       "no-rcs" => sub { $config{rcs}="" },
+                       "anonok!" => \$config{anonok},
+                       "rss!" => \$config{rss},
+                       "cgi!" => \$config{cgi},
+                       "discussion!" => \$config{discussion},
+                       "notify!" => \$config{notify},
+                       "url=s" => \$config{url},
+                       "cgiurl=s" => \$config{cgiurl},
+                       "historyurl=s" => \$config{historyurl},
+                       "diffurl=s" => \$config{diffurl},
+                       "svnrepo" => \$config{svnrepo},
+                       "svnpath" => \$config{svnpath},
+                       "adminemail=s" => \$config{adminemail},
+                       "timeformat=s" => \$config{timeformat},
+                       "exclude=s@" => sub {
+                               $config{wiki_file_prune_regexp}=qr/$config{wiki_file_prune_regexp}|$_[1]/;
+                       },
+                       "adminuser=s@" => sub {
+                               push @{$config{adminuser}}, $_[1]
+                       },
+                       "templatedir=s" => sub {
+                               $config{templatedir}=possibly_foolish_untaint($_[1])
+                       },
+                       "underlaydir=s" => sub {
+                               $config{underlaydir}=possibly_foolish_untaint($_[1])
+                       },
+                       "wrapper:s" => sub {
+                               $config{wrapper}=$_[1] ? $_[1] : "ikiwiki-wrap"
+                       },
+                       "plugin=s@" => sub {
+                               push @{$config{plugin}}, $_[1];
+                       },
+                       "disable-plugin=s@" => sub {
+                               $config{plugin}=[grep { $_ ne $_[1] } @{$config{plugin}}];
+                       },
+                       "pingurl" => sub {
+                               push @{$config{pingurl}}, $_[1];
                        }
-               }
-       }
-       
-       open (OUT, ">$file") || error("failed to write $file: $!");
-       print OUT $content;
-       close OUT;
-} #}}}
-
-sub bestlink ($$) { #{{{
-       # Given a page and the text of a link on the page, determine which
-       # existing page that link best points to. Prefers pages under a
-       # subdirectory with the same name as the source page, failing that
-       # goes down the directory tree to the base looking for matching
-       # pages.
-       my $page=shift;
-       my $link=lc(shift);
-       
-       my $cwd=$page;
-       do {
-               my $l=$cwd;
-               $l.="/" if length $l;
-               $l.=$link;
+               ) || usage();
 
-               if (exists $links{$l}) {
-                       #debug("for $page, \"$link\", use $l");
-                       return $l;
+               if (! $config{setup}) {
+                       usage() unless @ARGV == 2;
+                       $config{srcdir} = possibly_foolish_untaint(shift @ARGV);
+                       $config{destdir} = possibly_foolish_untaint(shift @ARGV);
+                       checkconfig();
                }
-       } while $cwd=~s!/?[^/]+$!!;
-
-       #print STDERR "warning: page $page, broken link: $link\n";
-       return "";
-} #}}}
-
-sub isinlinableimage ($) { #{{{
-       my $file=shift;
-       
-       $file=~/\.(png|gif|jpg|jpeg)$/;
-} #}}}
-
-sub htmllink { #{{{
-       my $page=shift;
-       my $link=shift;
-       my $noimageinline=shift; # don't turn links into inline html images
-       my $forcesubpage=shift; # force a link to a subpage
-
-       my $bestlink;
-       if (! $forcesubpage) {
-               $bestlink=bestlink($page, $link);
        }
        else {
-               $bestlink="$page/".lc($link);
-       }
-
-       return $link if length $bestlink && $page eq $bestlink;
-       
-       # TODO BUG: %renderedfiles may not have it, if the linked to page
-       # was also added and isn't yet rendered! Note that this bug is
-       # masked by the bug mentioned below that makes all new files
-       # be rendered twice.
-       if (! grep { $_ eq $bestlink } values %renderedfiles) {
-               $bestlink=htmlpage($bestlink);
-       }
-       if (! grep { $_ eq $bestlink } values %renderedfiles) {
-               return "<a href=\"$config{cgiurl}?do=create&page=$link&from=$page\">?</a>$link"
-       }
-       
-       $bestlink=File::Spec->abs2rel($bestlink, dirname($page));
-       
-       if (! $noimageinline && isinlinableimage($bestlink)) {
-               return "<img src=\"$bestlink\">";
-       }
-       return "<a href=\"$bestlink\">$link</a>";
-} #}}}
-
-sub indexlink () { #{{{
-       return "<a href=\"$config{url}\">$config{wikiname}</a>";
-} #}}}
-
-sub lockwiki () { #{{{
-       # Take an exclusive lock on the wiki to prevent multiple concurrent
-       # run issues. The lock will be dropped on program exit.
-       if (! -d $config{wikistatedir}) {
-               mkdir($config{wikistatedir});
-       }
-       open(WIKILOCK, ">$config{wikistatedir}/lockfile") ||
-               error ("cannot write to $config{wikistatedir}/lockfile: $!");
-       if (! flock(WIKILOCK, 2 | 4)) {
-               debug("wiki seems to be locked, waiting for lock");
-               my $wait=600; # arbitrary, but don't hang forever to 
-                             # prevent process pileup
-               for (1..600) {
-                       return if flock(WIKILOCK, 2 | 4);
-                       sleep 1;
+               # wrapper passes a full config structure in the environment
+               # variable
+               eval possibly_foolish_untaint($ENV{WRAPPED_OPTIONS});
+               if ($@) {
+                       error("WRAPPED_OPTIONS: $@");
                }
-               error("wiki is locked; waited $wait seconds without lock being freed (possible stuck process or stale lock?)");
-       }
-} #}}}
-
-sub unlockwiki () { #{{{
-       close WIKILOCK;
-} #}}}
-
-sub loadindex () { #{{{
-       open (IN, "$config{wikistatedir}/index") || return;
-       while (<IN>) {
-               $_=possibly_foolish_untaint($_);
-               chomp;
-               my ($mtime, $file, $rendered, @links)=split(' ', $_);
-               my $page=pagename($file);
-               $pagesources{$page}=$file;
-               $oldpagemtime{$page}=$mtime;
-               $oldlinks{$page}=[@links];
-               $links{$page}=[@links];
-               $renderedfiles{$page}=$rendered;
+               checkconfig();
        }
-       close IN;
 } #}}}
 
-sub saveindex () { #{{{
-       if (! -d $config{wikistatedir}) {
-               mkdir($config{wikistatedir});
-       }
-       open (OUT, ">$config{wikistatedir}/index") || 
-               error("cannot write to $config{wikistatedir}/index: $!");
-       foreach my $page (keys %oldpagemtime) {
-               print OUT "$oldpagemtime{$page} $pagesources{$page} $renderedfiles{$page} ".
-                       join(" ", @{$links{$page}})."\n"
-                               if $oldpagemtime{$page};
-       }
-       close OUT;
-} #}}}
-
-sub misctemplate ($$) { #{{{
-       my $title=shift;
-       my $pagebody=shift;
-       
-       my $template=HTML::Template->new(
-               filename => "$config{templatedir}/misc.tmpl"
-       );
-       $template->param(
-               title => $title,
-               indexlink => indexlink(),
-               wikiname => $config{wikiname},
-               pagebody => $pagebody,
-       );
-       return $template->output;
-}#}}}
-
-sub userinfo_get ($$) { #{{{
-       my $user=shift;
-       my $field=shift;
-
-       eval q{use Storable};
-       my $userdata=eval{ Storable::lock_retrieve("$config{wikistatedir}/userdb") };
-       if (! defined $userdata || ! ref $userdata || 
-           ! exists $userdata->{$user} || ! ref $userdata->{$user} ||
-            ! exists $userdata->{$user}->{$field}) {
-               return "";
-       }
-       return $userdata->{$user}->{$field};
-} #}}}
-
-sub userinfo_set ($$$) { #{{{
-       my $user=shift;
-       my $field=shift;
-       my $value=shift;
+sub main () { #{{{
+       getconfig();
        
-       eval q{use Storable};
-       my $userdata=eval{ Storable::lock_retrieve("$config{wikistatedir}/userdb") };
-       if (! defined $userdata || ! ref $userdata || 
-           ! exists $userdata->{$user} || ! ref $userdata->{$user}) {
-               return "";
+       if ($config{cgi}) {
+               lockwiki();
+               loadindex();
+               require IkiWiki::CGI;
+               cgi();
        }
-       
-       $userdata->{$user}->{$field}=$value;
-       my $oldmask=umask(077);
-       my $ret=Storable::lock_store($userdata, "$config{wikistatedir}/userdb");
-       umask($oldmask);
-       return $ret;
-} #}}}
-
-sub userinfo_setall ($$) { #{{{
-       my $user=shift;
-       my $info=shift;
-       
-       eval q{use Storable};
-       my $userdata=eval{ Storable::lock_retrieve("$config{wikistatedir}/userdb") };
-       if (! defined $userdata || ! ref $userdata) {
-               $userdata={};
+       elsif ($config{setup}) {
+               require IkiWiki::Setup;
+               setup();
        }
-       $userdata->{$user}=$info;
-       my $oldmask=umask(077);
-       my $ret=Storable::lock_store($userdata, "$config{wikistatedir}/userdb");
-       umask($oldmask);
-       return $ret;
-} #}}}
-
-sub is_admin ($) { #{{{
-       my $user_name=shift;
-
-       return grep { $_ eq $user_name } @{$config{adminuser}};
-} #}}}
-
-sub glob_match ($$) { #{{{
-       my $page=shift;
-       my $glob=shift;
-
-       # turn glob into safe regexp
-       $glob=quotemeta($glob);
-       $glob=~s/\\\*/.*/g;
-       $glob=~s/\\\?/./g;
-       $glob=~s!\\/!/!g;
-       
-       $page=~/^$glob$/i;
-} #}}}
-
-sub globlist_match ($$) { #{{{
-       my $page=shift;
-       my @globlist=split(" ", shift);
-
-       # check any negated globs first
-       foreach my $glob (@globlist) {
-               return 0 if $glob=~/^!(.*)/ && glob_match($page, $1);
+       elsif ($config{wrapper}) {
+               lockwiki();
+               require IkiWiki::Wrapper;
+               gen_wrapper();
        }
-
-       foreach my $glob (@globlist) {
-               return 1 if glob_match($page, $glob);
+       else {
+               lockwiki();
+               loadindex();
+               require IkiWiki::Render;
+               rcs_update();
+               refresh();
+               rcs_notify() if $config{notify};
+               saveindex();
        }
-       
-       return 0;
 } #}}}
 
-# main {{{
-if ($config{setup}) {
-       require IkiWiki::Setup;
-       setup();
-}
-lockwiki();
-if ($config{wrapper}) {
-       require IkiWiki::Wrapper;
-       gen_wrapper();
-       exit;
-}
-loadindex() unless $config{rebuild};
-if ($config{cgi}) {
-       require IkiWiki::CGI;
-       cgi();
-}
-else {
-       require IkiWiki::Render;
-       rcs_update();
-       refresh();
-       saveindex();
-}
-#}}}
+main;