#!/usr/bin/perl -T
-
-eval 'exec /usr/bin/perl -T -S $0 ${1+"$@"}'
- if 0; # not running under some shell
$ENV{PATH}="/usr/local/bin:/usr/bin:/bin";
+package IkiWiki;
use warnings;
use strict;
-use Memoize;
-use File::Spec;
-use HTML::Template;
-use Getopt::Long;
-
-my (%links, %oldlinks, %oldpagemtime, %renderedfiles, %pagesources);
-
-# Holds global config settings, also used by some modules.
-our %config=( #{{{
- wiki_file_prune_regexp => qr{((^|/).svn/|\.\.|^\.|\/\.|\.html?$)},
- 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,
-); #}}}
+use lib '.'; # For use without installation, removed by Makefile.
+use IkiWiki;
-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);
- $config{destdir} = possibly_foolish_untaint(shift);
- checkoptions();
-}
-#}}}
-
-sub checkoptions { #{{{
- if ($config{cgi} && ! length $config{url}) {
- error("Must specify url to wiki with --url when using --cgi");
- }
- $config{wikistatedir}="$config{srcdir}/.ikiwiki"
- unless exists $config{wikistatedir};
-} #}}}
-
-sub usage { #{{{
+sub usage () { #{{{
die "usage: ikiwiki [options] source dest\n";
} #}}}
-sub error { #{{{
- if ($config{cgi}) {
- print "Content-type: text/html\n\n";
- print misctemplate("Error", "<p>Error: @_</p>");
- }
- die @_;
-} #}}}
-
-sub debug ($) { #{{{
- return unless $config{verbose};
- if (! $config{cgi}) {
- print "@_\n";
- }
- else {
- print STDERR "@_\n";
- }
-} #}}}
-
-sub mtime ($) { #{{{
- my $page=shift;
-
- return (stat($page))[9];
-} #}}}
-
-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 ($$) { #{{{
- my $file=shift;
- my $content=shift;
-
- if (-l $file) {
- error("cannot write to a symlink ($file)");
- }
-
- my $dir=dirname($file);
- if (! -d $dir) {
- my $d="";
- foreach my $s (split(m!/+!, $dir)) {
- $d.="$s/";
- if (! -d $d) {
- mkdir($d) || error("failed to create directory $d: $!");
- }
- }
- }
-
- open (OUT, ">$file") || error("failed to write $file: $!");
- print OUT $content;
- close OUT;
-} #}}}
-
-sub findlinks ($$) { #{{{
- my $content=shift;
- my $page=shift;
-
- my @links;
- while ($content =~ /(?<!\\)$config{wiki_link_regexp}/g) {
- push @links, lc($1);
- }
- # Discussion links are a special case since they're not in the text
- # of the page, but on its template.
- return @links, "$page/discussion";
-} #}}}
-
-sub bestlink ($$) { #{{{
- # Given a page and the text of a link on the page, determine which
- # existing page that link best points to. Prefers pages under a
- # subdirectory with the same name as the source page, failing that
- # goes down the directory tree to the base looking for matching
- # pages.
- my $page=shift;
- my $link=lc(shift);
-
- my $cwd=$page;
- do {
- my $l=$cwd;
- $l.="/" if length $l;
- $l.=$link;
-
- if (exists $links{$l}) {
- #debug("for $page, \"$link\", use $l");
- return $l;
- }
- } while $cwd=~s!/?[^/]+$!!;
-
- #print STDERR "warning: page $page, broken link: $link\n";
- return "";
-} #}}}
-
-sub isinlinableimage ($) { #{{{
- my $file=shift;
-
- $file=~/\.(png|gif|jpg|jpeg)$/;
-} #}}}
-
-sub htmllink { #{{{
- my $page=shift;
- my $link=shift;
- my $noimageinline=shift; # don't turn links into inline html images
- my $forcesubpage=shift; # force a link to a subpage
-
- my $bestlink;
- if (! $forcesubpage) {
- $bestlink=bestlink($page, $link);
- }
- else {
- $bestlink="$page/".lc($link);
- }
-
- return $link if length $bestlink && $page eq $bestlink;
-
- # TODO BUG: %renderedfiles may not have it, if the linked to page
- # was also added and isn't yet rendered! Note that this bug is
- # masked by the bug mentioned below that makes all new files
- # be rendered twice.
- if (! grep { $_ eq $bestlink } values %renderedfiles) {
- $bestlink=htmlpage($bestlink);
- }
- if (! grep { $_ eq $bestlink } values %renderedfiles) {
- return "<a href=\"$config{cgiurl}?do=create&page=$link&from=$page\">?</a>$link"
- }
-
- $bestlink=File::Spec->abs2rel($bestlink, dirname($page));
-
- if (! $noimageinline && isinlinableimage($bestlink)) {
- return "<img src=\"$bestlink\">";
- }
- return "<a href=\"$bestlink\">$link</a>";
-} #}}}
-
-sub linkify ($$) { #{{{
- my $content=shift;
- my $page=shift;
-
- $content =~ s{(\\?)$config{wiki_link_regexp}}{
- $1 ? "[[$2]]" : htmllink($page, $2)
- }eg;
-
- return $content;
-} #}}}
-
-sub htmlize ($$) { #{{{
- my $type=shift;
- my $content=shift;
-
- if (! $INC{"/usr/bin/markdown"}) {
- no warnings 'once';
- $blosxom::version="is a proper perl module too much to ask?";
- use warnings 'all';
- do "/usr/bin/markdown";
- }
-
- if ($type eq '.mdwn') {
- return Markdown::Markdown($content);
- }
- else {
- error("htmlization of $type not supported");
- }
-} #}}}
-
-sub backlinks ($) { #{{{
- my $page=shift;
-
- my @links;
- foreach my $p (keys %links) {
- next if bestlink($page, $p) eq $page;
- if (grep { length $_ && bestlink($p, $_) eq $page } @{$links{$p}}) {
- my $href=File::Spec->abs2rel(htmlpage($p), dirname($page));
-
- # Trim common dir prefixes from both pages.
- my $p_trimmed=$p;
- my $page_trimmed=$page;
- my $dir;
- 1 while (($dir)=$page_trimmed=~m!^([^/]+/)!) &&
- defined $dir &&
- $p_trimmed=~s/^\Q$dir\E// &&
- $page_trimmed=~s/^\Q$dir\E//;
-
- push @links, { url => $href, page => $p_trimmed };
- }
- }
-
- return sort { $a->{page} cmp $b->{page} } @links;
-} #}}}
-
-sub parentlinks ($) { #{{{
- my $page=shift;
-
- my @ret;
- my $pagelink="";
- my $path="";
- my $skip=1;
- foreach my $dir (reverse split("/", $page)) {
- if (! $skip) {
- $path.="../";
- unshift @ret, { url => "$path$dir.html", page => $dir };
- }
- else {
- $skip=0;
- }
- }
- unshift @ret, { url => length $path ? $path : ".", page => $config{wikiname} };
- return @ret;
-} #}}}
-
-sub indexlink () { #{{{
- return "<a href=\"$config{url}\">$config{wikiname}</a>";
-} #}}}
-
-sub finalize ($$$) { #{{{
- my $content=shift;
- my $page=shift;
- my $mtime=shift;
-
- my $title=basename($page);
- $title=~s/_/ /g;
-
- my $template=HTML::Template->new(blind_cache => 1,
- filename => "$config{templatedir}/page.tmpl");
-
- if (length $config{cgiurl}) {
- $template->param(editurl => "$config{cgiurl}?do=edit&page=$page");
- $template->param(prefsurl => "$config{cgiurl}?do=prefs");
- if ($config{svn}) {
- $template->param(recentchangesurl => "$config{cgiurl}?do=recentchanges");
- }
- }
-
- if (length $config{historyurl}) {
- my $u=$config{historyurl};
- $u=~s/\[\[file\]\]/$pagesources{$page}/g;
- $template->param(historyurl => $u);
- }
-
- $template->param(
- title => $title,
- wikiname => $config{wikiname},
- parentlinks => [parentlinks($page)],
- content => $content,
- backlinks => [backlinks($page)],
- discussionlink => htmllink($page, "Discussion", 1, 1),
- mtime => scalar(gmtime($mtime)),
- );
-
- return $template->output;
-} #}}}
-
-sub check_overwrite ($$) { #{{{
- # Important security check. Make sure to call this before saving
- # any files to the source directory.
- my $dest=shift;
- my $src=shift;
-
- if (! exists $renderedfiles{$src} && -e $dest && ! $config{rebuild}) {
- error("$dest already exists and was rendered from ".
- join(" ",(grep { $renderedfiles{$_} eq $dest } keys
- %renderedfiles)).
- ", before, so not rendering from $src");
- }
-} #}}}
-
-sub render ($) { #{{{
- my $file=shift;
-
- my $type=pagetype($file);
- my $content=readfile("$config{srcdir}/$file");
- if ($type ne 'unknown') {
- my $page=pagename($file);
-
- $links{$page}=[findlinks($content, $page)];
-
- $content=linkify($content, $page);
- $content=htmlize($type, $content);
- $content=finalize($content, $page,
- mtime("$config{srcdir}/$file"));
-
- check_overwrite("$config{destdir}/".htmlpage($page), $page);
- writefile("$config{destdir}/".htmlpage($page), $content);
- $oldpagemtime{$page}=time;
- $renderedfiles{$page}=htmlpage($page);
- }
- else {
- $links{$file}=[];
- check_overwrite("$config{destdir}/$file", $file);
- writefile("$config{destdir}/$file", $content);
- $oldpagemtime{$file}=time;
- $renderedfiles{$file}=$file;
- }
-} #}}}
-
-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;
- }
- 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;
- }
- 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 rcs_update () { #{{{
- if (-d "$config{srcdir}/.svn") {
- if (system("svn", "update", "--quiet", $config{srcdir}) != 0) {
- warn("svn update failed\n");
- }
- }
-} #}}}
-
-sub rcs_prepedit ($) { #{{{
- # Prepares to edit a file under revision control. Returns a token
- # that must be passed into rcs_commit when the file is ready
- # for committing.
- # The file is relative to the srcdir.
- my $file=shift;
-
- if (-d "$config{srcdir}/.svn") {
- # For subversion, return the revision of the file when
- # editing begins.
- my $rev=svn_info("Revision", "$config{srcdir}/$file");
- return defined $rev ? $rev : "";
- }
-} #}}}
-
-sub rcs_commit ($$$) { #{{{
- # Tries to commit the page; returns undef on _success_ and
- # a version of the page with the rcs's conflict markers on failure.
- # The file is relative to the srcdir.
- my $file=shift;
- my $message=shift;
- my $rcstoken=shift;
-
- if (-d "$config{srcdir}/.svn") {
- # Check to see if the page has been changed by someone
- # else since rcs_prepedit was called.
- my ($oldrev)=$rcstoken=~/^([0-9]+)$/; # untaint
- my $rev=svn_info("Revision", "$config{srcdir}/$file");
- if (defined $rev && defined $oldrev && $rev != $oldrev) {
- # Merge their changes into the file that we've
- # changed.
- chdir($config{srcdir}); # svn merge wants to be here
- if (system("svn", "merge", "--quiet", "-r$oldrev:$rev",
- "$config{srcdir}/$file") != 0) {
- warn("svn merge -r$oldrev:$rev failed\n");
- }
- }
-
- if (system("svn", "commit", "--quiet", "-m",
- possibly_foolish_untaint($message),
- "$config{srcdir}") != 0) {
- my $conflict=readfile("$config{srcdir}/$file");
- if (system("svn", "revert", "--quiet", "$config{srcdir}/$file") != 0) {
- warn("svn revert failed\n");
- }
- return $conflict;
- }
- }
- return undef # success
-} #}}}
-
-sub rcs_add ($) { #{{{
- # filename is relative to the root of the srcdir
- my $file=shift;
-
- if (-d "$config{srcdir}/.svn") {
- my $parent=dirname($file);
- while (! -d "$config{srcdir}/$parent/.svn") {
- $file=$parent;
- $parent=dirname($file);
- }
-
- if (system("svn", "add", "--quiet", "$config{srcdir}/$file") != 0) {
- warn("svn add failed\n");
- }
- }
-} #}}}
-
-sub svn_info ($$) { #{{{
- my $field=shift;
- my $file=shift;
-
- my $info=`LANG=C svn info $file`;
- my ($ret)=$info=~/^$field: (.*)$/m;
- return $ret;
-} #}}}
-
-sub rcs_recentchanges ($) { #{{{
- my $num=shift;
- my @ret;
-
- eval q{use CGI 'escapeHTML'};
- eval q{use Date::Parse};
- eval q{use Time::Duration};
-
- if (-d "$config{srcdir}/.svn") {
- my $svn_url=svn_info("URL", $config{srcdir});
-
- # FIXME: currently assumes that the wiki is somewhere
- # under trunk in svn, doesn't support other layouts.
- my ($svn_base)=$svn_url=~m!(/trunk(?:/.*)?)$!;
-
- my $div=qr/^--------------------+$/;
- my $infoline=qr/^r(\d+)\s+\|\s+([^\s]+)\s+\|\s+(\d+-\d+-\d+\s+\d+:\d+:\d+\s+[-+]?\d+).*/;
- my $state='start';
- my ($rev, $user, $when, @pages, @message);
- foreach (`LANG=C svn log --limit $num -v '$svn_url'`) {
- chomp;
- if ($state eq 'start' && /$div/) {
- $state='header';
- }
- elsif ($state eq 'header' && /$infoline/) {
- $rev=$1;
- $user=$2;
- $when=concise(ago(time - str2time($3)));
- }
- elsif ($state eq 'header' && /^\s+[A-Z]\s+\Q$svn_base\E\/([^ ]+)(?:$|\s)/) {
- my $file=$1;
- my $diffurl=$config{diffurl};
- $diffurl=~s/\[\[file\]\]/$file/g;
- $diffurl=~s/\[\[r1\]\]/$rev - 1/eg;
- $diffurl=~s/\[\[r2\]\]/$rev/g;
- push @pages, {
- link => htmllink("", pagename($file), 1),
- diffurl => $diffurl,
- } if length $file;
- }
- elsif ($state eq 'header' && /^$/) {
- $state='body';
- }
- elsif ($state eq 'body' && /$div/) {
- my $committype="web";
- if (defined $message[0] &&
- $message[0]->{line}=~/^web commit by (\w+):?(.*)/) {
- $user="$1";
- $message[0]->{line}=$2;
- }
- else {
- $committype="svn";
- }
-
- push @ret, { rev => $rev,
- user => htmllink("", $user, 1),
- committype => $committype,
- when => $when, message => [@message],
- pages => [@pages],
- } if @pages;
- return @ret if @ret >= $num;
-
- $state='header';
- $rev=$user=$when=undef;
- @pages=@message=();
- }
- elsif ($state eq 'body') {
- push @message, {line => escapeHTML($_)},
- }
- }
- }
-
- return @ret;
-} #}}}
-
-sub prune ($) { #{{{
- my $file=shift;
-
- unlink($file);
- my $dir=dirname($file);
- while (rmdir($dir)) {
- $dir=dirname($dir);
- }
-} #}}}
-
-sub refresh () { #{{{
- # find existing pages
- my %exists;
- my @files;
- eval q{use File::Find};
- find({
- no_chdir => 1,
- wanted => sub {
- if (/$config{wiki_file_prune_regexp}/) {
- no warnings 'once';
- $File::Find::prune=1;
- use warnings "all";
- }
- elsif (! -d $_ && ! -l $_) {
- my ($f)=/$config{wiki_file_regexp}/; # untaint
- if (! defined $f) {
- warn("skipping bad filename $_\n");
- }
- else {
- $f=~s/^\Q$config{srcdir}\E\/?//;
- push @files, $f;
- $exists{pagename($f)}=1;
- }
- }
- },
- }, $config{srcdir});
-
- my %rendered;
-
- # check for added or removed pages
- my @add;
- foreach my $file (@files) {
- my $page=pagename($file);
- if (! $oldpagemtime{$page}) {
- debug("new page $page");
- push @add, $file;
- $links{$page}=[];
- $pagesources{$page}=$file;
- }
- }
- my @del;
- foreach my $page (keys %oldpagemtime) {
- if (! $exists{$page}) {
- debug("removing old page $page");
- push @del, $pagesources{$page};
- prune($config{destdir}."/".$renderedfiles{$page});
- delete $renderedfiles{$page};
- $oldpagemtime{$page}=0;
- delete $pagesources{$page};
- }
- }
-
- # render any updated files
- foreach my $file (@files) {
- my $page=pagename($file);
-
- if (! exists $oldpagemtime{$page} ||
- mtime("$config{srcdir}/$file") > $oldpagemtime{$page}) {
- debug("rendering changed file $file");
- render($file);
- $rendered{$file}=1;
- }
- }
-
- # if any files were added or removed, check to see if each page
- # needs an update due to linking to them
- # TODO: inefficient; pages may get rendered above and again here;
- # problem is the bestlink may have changed and we won't know until
- # now
- if (@add || @del) {
-FILE: foreach my $file (@files) {
- my $page=pagename($file);
- foreach my $f (@add, @del) {
- my $p=pagename($f);
- foreach my $link (@{$links{$page}}) {
- if (bestlink($page, $link) eq $p) {
- debug("rendering $file, which links to $p");
- render($file);
- $rendered{$file}=1;
- next FILE;
- }
- }
- }
- }
- }
-
- # handle backlinks; if a page has added/removed links, update the
- # pages it links to
- # TODO: inefficient; pages may get rendered above and again here;
- # problem is the backlinks could be wrong in the first pass render
- # above
- if (%rendered) {
- my %linkchanged;
- foreach my $file (keys %rendered, @del) {
- my $page=pagename($file);
- if (exists $links{$page}) {
- foreach my $link (map { bestlink($page, $_) } @{$links{$page}}) {
- if (length $link &&
- ! exists $oldlinks{$page} ||
- ! grep { $_ eq $link } @{$oldlinks{$page}}) {
- $linkchanged{$link}=1;
- }
- }
- }
- if (exists $oldlinks{$page}) {
- foreach my $link (map { bestlink($page, $_) } @{$oldlinks{$page}}) {
- if (length $link &&
- ! exists $links{$page} ||
- ! grep { $_ eq $link } @{$links{$page}}) {
- $linkchanged{$link}=1;
- }
- }
- }
- }
- foreach my $link (keys %linkchanged) {
- my $linkfile=$pagesources{$link};
- if (defined $linkfile) {
- debug("rendering $linkfile, to update its backlinks");
- render($linkfile);
- }
- }
- }
-} #}}}
-
-sub gen_wrapper () { #{{{
- eval q{use Cwd 'abs_path'};
- $config{srcdir}=abs_path($config{srcdir});
- $config{destdir}=abs_path($config{destdir});
- my $this=abs_path($0);
- if (! -x $this) {
- error("$this doesn't seem to be executable");
- }
-
- if ($config{setup}) {
- error("cannot create a wrapper that uses a setup file");
- }
-
- my @params=($config{srcdir}, $config{destdir},
- "--wikiname=$config{wikiname}",
- "--templatedir=$config{templatedir}");
- push @params, "--verbose" if $config{verbose};
- push @params, "--rebuild" if $config{rebuild};
- push @params, "--nosvn" if !$config{svn};
- push @params, "--cgi" if $config{cgi};
- push @params, "--url=$config{url}" if length $config{url};
- push @params, "--cgiurl=$config{cgiurl}" if length $config{cgiurl};
- push @params, "--historyurl=$config{historyurl}" if length $config{historyurl};
- push @params, "--diffurl=$config{diffurl}" if length $config{diffurl};
- push @params, "--anonok" if $config{anonok};
- push @params, "--adminuser=$_" foreach @{$config{adminuser}};
- my $params=join(" ", @params);
- my $call='';
- foreach my $p ($this, $this, @params) {
- $call.=qq{"$p", };
- }
- $call.="NULL";
-
- my @envsave;
- push @envsave, qw{REMOTE_ADDR QUERY_STRING REQUEST_METHOD REQUEST_URI
- CONTENT_TYPE CONTENT_LENGTH GATEWAY_INTERFACE
- HTTP_COOKIE} if $config{cgi};
- my $envsave="";
- foreach my $var (@envsave) {
- $envsave.=<<"EOF"
- if ((s=getenv("$var")))
- asprintf(&newenviron[i++], "%s=%s", "$var", s);
-EOF
- }
-
- open(OUT, ">ikiwiki-wrap.c") || error("failed to write ikiwiki-wrap.c: $!");;
- print OUT <<"EOF";
-/* A wrapper for ikiwiki, can be safely made suid. */
-#define _GNU_SOURCE
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-
-extern char **environ;
-
-int main (int argc, char **argv) {
- /* Sanitize environment. */
- char *s;
- char *newenviron[$#envsave+3];
- int i=0;
-$envsave
- newenviron[i++]="HOME=$ENV{HOME}";
- newenviron[i]=NULL;
- environ=newenviron;
-
- if (argc == 2 && strcmp(argv[1], "--params") == 0) {
- printf("$params\\n");
- exit(0);
- }
-
- execl($call);
- perror("failed to run $this");
- exit(1);
-}
-EOF
- close OUT;
- if (system("gcc", "ikiwiki-wrap.c", "-o", possibly_foolish_untaint($config{wrapper})) != 0) {
- error("failed to compile ikiwiki-wrap.c");
- }
- unlink("ikiwiki-wrap.c");
- if (defined $config{wrappermode} &&
- ! chmod(oct($config{wrappermode}), possibly_foolish_untaint($config{wrapper}))) {
- error("chmod $config{wrapper}: $!");
- }
- print "successfully generated $config{wrapper}\n";
-} #}}}
-
-sub misctemplate ($$) { #{{{
- my $title=shift;
- my $pagebody=shift;
-
- my $template=HTML::Template->new(
- filename => "$config{templatedir}/misc.tmpl"
- );
- $template->param(
- title => $title,
- indexlink => indexlink(),
- wikiname => $config{wikiname},
- pagebody => $pagebody,
- );
- return $template->output;
-}#}}}
-
-sub cgi_recentchanges ($) { #{{{
- my $q=shift;
-
- my $template=HTML::Template->new(
- filename => "$config{templatedir}/recentchanges.tmpl"
- );
- $template->param(
- title => "RecentChanges",
- indexlink => indexlink(),
- wikiname => $config{wikiname},
- changelog => [rcs_recentchanges(100)],
- );
- print $q->header, $template->output;
-} #}}}
-
-sub userinfo_get ($$) { #{{{
- 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 ($$$) { #{{{
- my $user=shift;
- my $field=shift;
- my $value=shift;
-
- eval q{use Storable};
- my $userdata=eval{ Storable::lock_retrieve("$config{wikistatedir}/userdb") };
- if (! defined $userdata || ! ref $userdata ||
- ! exists $userdata->{$user} || ! ref $userdata->{$user}) {
- return "";
- }
-
- $userdata->{$user}->{$field}=$value;
- my $oldmask=umask(077);
- my $ret=Storable::lock_store($userdata, "$config{wikistatedir}/userdb");
- umask($oldmask);
- return $ret;
-} #}}}
-
-sub userinfo_setall ($$) { #{{{
- 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={};
- }
- $userdata->{$user}=$info;
- my $oldmask=umask(077);
- my $ret=Storable::lock_store($userdata, "$config{wikistatedir}/userdb");
- umask($oldmask);
- return $ret;
-} #}}}
-
-sub cgi_signin ($$) { #{{{
- my $q=shift;
- my $session=shift;
-
- eval q{use CGI::FormBuilder};
- my $form = CGI::FormBuilder->new(
- title => "signin",
- fields => [qw(do page from name password confirm_password email)],
- header => 1,
- method => 'POST',
- validate => {
- confirm_password => {
- perl => q{eq $form->field("password")},
+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]/;
},
- email => 'EMAIL',
- },
- required => 'NONE',
- javascript => 0,
- params => $q,
- action => $q->request_uri,
- header => 0,
- template => (-e "$config{templatedir}/signin.tmpl" ?
- "$config{templatedir}/signin.tmpl" : "")
- );
-
- $form->field(name => "name", required => 0);
- $form->field(name => "do", type => "hidden");
- $form->field(name => "page", type => "hidden");
- $form->field(name => "from", type => "hidden");
- $form->field(name => "password", type => "password", required => 0);
- $form->field(name => "confirm_password", type => "password", required => 0);
- $form->field(name => "email", required => 0);
- if ($q->param("do") ne "signin") {
- $form->text("You need to log in first.");
- }
-
- if ($form->submitted) {
- # Set required fields based on how form was submitted.
- my %required=(
- "Login" => [qw(name password)],
- "Register" => [qw(name password confirm_password email)],
- "Mail Password" => [qw(name)],
- );
- foreach my $opt (@{$required{$form->submitted}}) {
- $form->field(name => $opt, required => 1);
- }
-
- # Validate password differently depending on how
- # form was submitted.
- if ($form->submitted eq 'Login') {
- $form->field(
- name => "password",
- validate => sub {
- length $form->field("name") &&
- shift eq userinfo_get($form->field("name"), 'password');
- },
- );
- $form->field(name => "name", validate => '/^\w+$/');
- }
- else {
- $form->field(name => "password", validate => 'VALUE');
- }
- # And make sure the entered name exists when logging
- # in or sending email, and does not when registering.
- if ($form->submitted eq 'Register') {
- $form->field(
- name => "name",
- validate => sub {
- my $name=shift;
- length $name &&
- ! userinfo_get($name, "regdate");
- },
- );
- }
- else {
- $form->field(
- name => "name",
- validate => sub {
- my $name=shift;
- length $name &&
- userinfo_get($name, "regdate");
- },
- );
- }
- }
- else {
- # First time settings.
- $form->field(name => "name", comment => "use FirstnameLastName");
- $form->field(name => "confirm_password", comment => "(only needed");
- $form->field(name => "email", comment => "for registration)");
- if ($session->param("name")) {
- $form->field(name => "name", value => $session->param("name"));
- }
- }
-
- if ($form->submitted && $form->validate) {
- if ($form->submitted eq 'Login') {
- $session->param("name", $form->field("name"));
- if (defined $form->field("do") &&
- $form->field("do") ne 'signin') {
- print $q->redirect(
- "$config{cgiurl}?do=".$form->field("do").
- "&page=".$form->field("page").
- "&from=".$form->field("from"));;
- }
- else {
- print $q->redirect($config{url});
- }
- }
- elsif ($form->submitted eq 'Register') {
- my $user_name=$form->field('name');
- if (userinfo_setall($user_name, {
- 'email' => $form->field('email'),
- 'password' => $form->field('password'),
- 'regdate' => time
- })) {
- $form->field(name => "confirm_password", type => "hidden");
- $form->field(name => "email", type => "hidden");
- $form->text("Registration successful. Now you can Login.");
- print $session->header();
- print misctemplate($form->title, $form->render(submit => ["Login"]));
- }
- else {
- error("Error saving registration.");
- }
- }
- elsif ($form->submitted eq 'Mail Password') {
- my $user_name=$form->field("name");
- my $template=HTML::Template->new(
- filename => "$config{templatedir}/passwordmail.tmpl"
- );
- $template->param(
- user_name => $user_name,
- user_password => userinfo_get($user_name, "password"),
- wikiurl => $config{url},
- wikiname => $config{wikiname},
- REMOTE_ADDR => $ENV{REMOTE_ADDR},
- );
-
- eval q{use Mail::Sendmail};
- my ($fromhost) = $config{cgiurl} =~ m!/([^/]+)!;
- sendmail(
- To => userinfo_get($user_name, "email"),
- From => "$config{wikiname} admin <".(getpwuid($>))[0]."@".$fromhost.">",
- Subject => "$config{wikiname} information",
- Message => $template->output,
- ) or error("Failed to send mail");
-
- $form->text("Your password has been emailed to you.");
- $form->field(name => "name", required => 0);
- print $session->header();
- print misctemplate($form->title, $form->render(submit => ["Login", "Register", "Mail Password"]));
- }
- }
- else {
- print $session->header();
- print misctemplate($form->title, $form->render(submit => ["Login", "Register", "Mail Password"]));
- }
-} #}}}
-
-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 ($$) { #{{{
- my $page=shift;
- my @globlist=split(" ", shift);
-
- # check any negated globs first
- foreach my $glob (@globlist) {
- return 0 if $glob=~/^!(.*)/ && glob_match($page, $1);
- }
-
- foreach my $glob (@globlist) {
- return 1 if glob_match($page, $glob);
- }
-
- return 0;
-} #}}}
-
-sub page_locked ($$;$) { #{{{
- my $page=shift;
- my $session=shift;
- my $nonfatal=shift;
-
- my $user=$session->param("name");
- return if length $user && is_admin($user);
-
- foreach my $admin (@{$config{adminuser}}) {
- my $locked_pages=userinfo_get($admin, "locked_pages");
- if (globlist_match($page, userinfo_get($admin, "locked_pages"))) {
- return 1 if $nonfatal;
- error(htmllink("", $page, 1)." is locked by ".
- htmllink("", $admin, 1)." and cannot be edited.");
- }
- }
-
- return 0;
-} #}}}
-
-sub cgi_prefs ($$) { #{{{
- my $q=shift;
- my $session=shift;
-
- eval q{use CGI::FormBuilder};
- my $form = CGI::FormBuilder->new(
- title => "preferences",
- fields => [qw(do name password confirm_password email locked_pages)],
- header => 0,
- method => 'POST',
- validate => {
- confirm_password => {
- perl => q{eq $form->field("password")},
+ "adminuser=s@" => sub {
+ push @{$config{adminuser}}, $_[1]
},
- email => 'EMAIL',
- },
- required => 'NONE',
- javascript => 0,
- params => $q,
- action => $q->request_uri,
- template => (-e "$config{templatedir}/prefs.tmpl" ?
- "$config{templatedir}/prefs.tmpl" : "")
- );
- my @buttons=("Save Preferences", "Logout", "Cancel");
-
- my $user_name=$session->param("name");
- $form->field(name => "do", type => "hidden");
- $form->field(name => "name", disabled => 1,
- value => $user_name, force => 1);
- $form->field(name => "password", type => "password");
- $form->field(name => "confirm_password", type => "password");
- $form->field(name => "locked_pages", size => 50,
- comment => "(".htmllink("", "GlobList", 1).")");
-
- if (! is_admin($user_name)) {
- $form->field(name => "locked_pages", type => "hidden");
- }
-
- if (! $form->submitted) {
- $form->field(name => "email", force => 1,
- value => userinfo_get($user_name, "email"));
- $form->field(name => "locked_pages", force => 1,
- value => userinfo_get($user_name, "locked_pages"));
- }
-
- if ($form->submitted eq 'Logout') {
- $session->delete();
- print $q->redirect($config{url});
- return;
- }
- elsif ($form->submitted eq 'Cancel') {
- print $q->redirect($config{url});
- return;
- }
- elsif ($form->submitted eq "Save Preferences" && $form->validate) {
- foreach my $field (qw(password email locked_pages)) {
- if (length $form->field($field)) {
- userinfo_set($user_name, $field, $form->field($field)) || error("failed to set $field");
- }
- }
- $form->text("Preferences saved.");
- }
-
- print $session->header();
- print misctemplate($form->title, $form->render(submit => \@buttons));
-} #}}}
-
-sub cgi_editpage ($$) { #{{{
- my $q=shift;
- my $session=shift;
-
- eval q{use CGI::FormBuilder};
- my $form = CGI::FormBuilder->new(
- fields => [qw(do rcsinfo from page content comments)],
- header => 1,
- method => 'POST',
- validate => {
- content => '/.+/',
- },
- required => [qw{content}],
- javascript => 0,
- params => $q,
- action => $q->request_uri,
- table => 0,
- template => "$config{templatedir}/editpage.tmpl"
- );
- my @buttons=("Save Page", "Preview", "Cancel");
-
- my ($page)=$form->param('page')=~/$config{wiki_file_regexp}/;
- if (! defined $page || ! length $page || $page ne $q->param('page') ||
- $page=~/$config{wiki_file_prune_regexp}/ || $page=~/^\//) {
- error("bad page name");
- }
- $page=lc($page);
-
- my $file=$page.$config{default_pageext};
- my $newfile=1;
- if (exists $pagesources{lc($page)}) {
- $file=$pagesources{lc($page)};
- $newfile=0;
- }
-
- $form->field(name => "do", type => 'hidden');
- $form->field(name => "from", type => 'hidden');
- $form->field(name => "rcsinfo", type => 'hidden');
- $form->field(name => "page", value => "$page", force => 1);
- $form->field(name => "comments", type => "text", size => 80);
- $form->field(name => "content", type => "textarea", rows => 20,
- cols => 80);
- $form->tmpl_param("can_commit", $config{svn});
- $form->tmpl_param("indexlink", indexlink());
- $form->tmpl_param("helponformattinglink",
- htmllink("", "HelpOnFormatting", 1));
- if (! $form->submitted) {
- $form->field(name => "rcsinfo", value => rcs_prepedit($file),
- force => 1);
- }
-
- if ($form->submitted eq "Cancel") {
- print $q->redirect("$config{url}/".htmlpage($page));
- return;
- }
- elsif ($form->submitted eq "Preview") {
- $form->tmpl_param("page_preview",
- htmlize($config{default_pageext},
- linkify($form->field('content'), $page)));
- }
- else {
- $form->tmpl_param("page_preview", "");
- }
- $form->tmpl_param("page_conflict", "");
-
- if (! $form->submitted || $form->submitted eq "Preview" ||
- ! $form->validate) {
- if ($form->field("do") eq "create") {
- if (exists $pagesources{lc($page)}) {
- # hmm, someone else made the page in the
- # meantime?
- print $q->redirect("$config{url}/".htmlpage($page));
- return;
- }
-
- my @page_locs;
- my $best_loc;
- my ($from)=$form->param('from')=~/$config{wiki_file_regexp}/;
- if (! defined $from || ! length $from ||
- $from ne $form->param('from') ||
- $from=~/$config{wiki_file_prune_regexp}/ || $from=~/^\//) {
- @page_locs=$best_loc=$page;
- }
- else {
- my $dir=$from."/";
- $dir=~s![^/]+/$!!;
-
- if ($page eq 'discussion') {
- $best_loc="$from/$page";
- }
- else {
- $best_loc=$dir.$page;
- }
-
- push @page_locs, $dir.$page;
- push @page_locs, "$from/$page";
- while (length $dir) {
- $dir=~s![^/]+/$!!;
- push @page_locs, $dir.$page;
- }
-
- @page_locs = grep {
- ! exists $pagesources{lc($_)} &&
- ! page_locked($_, $session, 1)
- } @page_locs;
+ "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];
}
+ ) || usage();
- $form->tmpl_param("page_select", 1);
- $form->field(name => "page", type => 'select',
- options => \@page_locs, value => $best_loc);
- $form->title("creating $page");
+ if (! $config{setup}) {
+ usage() unless @ARGV == 2;
+ $config{srcdir} = possibly_foolish_untaint(shift @ARGV);
+ $config{destdir} = possibly_foolish_untaint(shift @ARGV);
+ checkconfig();
}
- elsif ($form->field("do") eq "edit") {
- page_locked($page, $session);
- if (! defined $form->field('content') ||
- ! length $form->field('content')) {
- my $content="";
- if (exists $pagesources{lc($page)}) {
- $content=readfile("$config{srcdir}/$pagesources{lc($page)}");
- $content=~s/\n/\r\n/g;
- }
- $form->field(name => "content", value => $content,
- force => 1);
- }
- $form->tmpl_param("page_select", 0);
- $form->field(name => "page", type => 'hidden');
- $form->title("editing $page");
- }
-
- print $form->render(submit => \@buttons);
}
else {
- # save page
- page_locked($page, $session);
-
- my $content=$form->field('content');
- $content=~s/\r\n/\n/g;
- $content=~s/\r/\n/g;
- writefile("$config{srcdir}/$file", $content);
-
- my $message="web commit ";
- if (length $session->param("name")) {
- $message.="by ".$session->param("name");
- }
- else {
- $message.="from $ENV{REMOTE_ADDR}";
+ # wrapper passes a full config structure in the environment
+ # variable
+ eval possibly_foolish_untaint($ENV{WRAPPED_OPTIONS});
+ if ($@) {
+ error("WRAPPED_OPTIONS: $@");
}
- if (defined $form->field('comments') &&
- length $form->field('comments')) {
- $message.=": ".$form->field('comments');
- }
-
- if ($config{svn}) {
- if ($newfile) {
- rcs_add($file);
- }
- # prevent deadlock with post-commit hook
- unlockwiki();
- # presumably the commit will trigger an update
- # of the wiki
- my $conflict=rcs_commit($file, $message,
- $form->field("rcsinfo"));
-
- if (defined $conflict) {
- $form->field(name => "rcsinfo", value => rcs_prepedit($file),
- force => 1);
- $form->tmpl_param("page_conflict", 1);
- $form->field("content", value => $conflict, force => 1);
- $form->field("do", "edit)");
- $form->tmpl_param("page_select", 0);
- $form->field(name => "page", type => 'hidden');
- $form->title("editing $page");
- print $form->render(submit => \@buttons);
- return;
- }
- }
- else {
- loadindex();
- refresh();
- saveindex();
- }
-
- # The trailing question mark tries to avoid broken
- # caches and get the most recent version of the page.
- print $q->redirect("$config{url}/".htmlpage($page)."?updated");
+ checkconfig();
}
} #}}}
-sub cgi () { #{{{
- eval q{use CGI};
- eval q{use CGI::Session};
-
- my $q=CGI->new;
-
- my $do=$q->param('do');
- if (! defined $do || ! length $do) {
- error("\"do\" parameter missing");
- }
+sub main () { #{{{
+ getconfig();
- # This does not need a session.
- if ($do eq 'recentchanges') {
- cgi_recentchanges($q);
- return;
- }
-
- CGI::Session->name("ikiwiki_session");
-
- my $oldmask=umask(077);
- my $session = CGI::Session->new("driver:db_file", $q,
- { FileName => "$config{wikistatedir}/sessions.db" });
- umask($oldmask);
-
- # Everything below this point needs the user to be signed in.
- if ((! $config{anonok} && ! defined $session->param("name") ||
- ! defined $session->param("name") ||
- ! userinfo_get($session->param("name"), "regdate")) || $do eq 'signin') {
- cgi_signin($q, $session);
-
- # Force session flush with safe umask.
- my $oldmask=umask(077);
- $session->flush;
- umask($oldmask);
-
- return;
+ if ($config{cgi}) {
+ lockwiki();
+ loadindex();
+ require IkiWiki::CGI;
+ cgi();
}
-
- if ($do eq 'create' || $do eq 'edit') {
- cgi_editpage($q, $session);
+ elsif ($config{setup}) {
+ require IkiWiki::Setup;
+ setup();
}
- elsif ($do eq 'prefs') {
- cgi_prefs($q, $session);
+ elsif ($config{wrapper}) {
+ lockwiki();
+ require IkiWiki::Wrapper;
+ gen_wrapper();
}
else {
- error("unknown do parameter");
+ lockwiki();
+ loadindex();
+ require IkiWiki::Render;
+ rcs_update();
+ refresh();
+ rcs_notify() if $config{notify};
+ saveindex();
}
} #}}}
-sub setup () { # {{{
- my $setup=possibly_foolish_untaint($config{setup});
- delete $config{setup};
- open (IN, $setup) || error("read $setup: $!\n");
- local $/=undef;
- my $code=<IN>;
- ($code)=$code=~/(.*)/s;
- close IN;
-
- eval $code;
- error($@) if $@;
- exit;
-} #}}}
-
-# main {{{
-setup() if $config{setup};
-lockwiki();
-if ($config{wrapper}) {
- gen_wrapper();
- exit;
-}
-memoize('pagename');
-memoize('bestlink');
-loadindex() unless $config{rebuild};
-if ($config{cgi}) {
- cgi();
-}
-else {
- rcs_update() if $config{svn};
- refresh();
- saveindex();
-}
-#}}}
+main;