use warnings;
use strict;
-use File::Find;
use Memoize;
use File::Spec;
use HTML::Template;
use Getopt::Long;
-BEGIN {
- $blosxom::version="is a proper perl module too much to ask?";
- do "/usr/bin/markdown";
-}
my (%links, %oldlinks, %oldpagemtime, %renderedfiles, %pagesources);
-my %config=( #{{{
+# Holds global config settings, also used by some modules.
+our %config=( #{{{
wiki_file_prune_regexp => qr{((^|/).svn/|\.\.|^\.|\/\.|\.html?$)},
wiki_link_regexp => qr/\[\[([^\s]+)\]\]/,
wiki_file_regexp => qr/(^[-A-Za-z0-9_.:\/+]+$)/,
wikiname => "wiki",
default_pageext => ".mdwn",
cgi => 0,
- url => "",
- cgiurl => "",
- historyurl => "",
svn => 1,
+ url => '',
+ cgiurl => '',
+ historyurl => '',
anonok => 0,
rebuild => 0,
- wrapper => 0,
+ wrapper => undef,
+ wrappermode => undef,
srcdir => undef,
destdir => undef,
templatedir => undef,
+ setup => undef,
); #}}}
GetOptions( #{{{
+ "setup=s" => \$config{setup},
"wikiname=s" => \$config{wikiname},
"verbose|v!" => \$config{verbose},
"rebuild!" => \$config{rebuild},
- "wrapper!" => \$config{wrapper},
+ "wrapper=s" => sub { $config{wrapper}=$_[1] ? $_[1] : "ikiwiki-wrap" },
+ "wrappermode=i" => \$config{wrappermode},
"svn!" => \$config{svn},
"anonok!" => \$config{anonok},
"cgi!" => \$config{cgi},
},
) || usage();
-usage() unless @ARGV == 3;
-$config{srcdir} = possibly_foolish_untaint(shift);
-$config{templatedir} = possibly_foolish_untaint(shift);
-$config{destdir} = possibly_foolish_untaint(shift);
-if ($config{cgi} && ! length $config{url}) {
- error("Must specify url to wiki with --url when using --cgi");
-} #}}}
+if (! $config{setup}) {
+ usage() unless @ARGV == 3;
+ $config{srcdir} = possibly_foolish_untaint(shift);
+ $config{templatedir} = possibly_foolish_untaint(shift);
+ $config{destdir} = possibly_foolish_untaint(shift);
+ if ($config{cgi} && ! length $config{url}) {
+ error("Must specify url to wiki with --url when using --cgi");
+ }
+}
+#}}}
sub usage { #{{{
die "usage: ikiwiki [options] source templates dest\n";
if ($config{cgi}) {
print "Content-type: text/html\n\n";
print misctemplate("Error", "<p>Error: @_</p>");
- exit 1;
- }
- else {
- die @_;
}
+ die @_;
} #}}}
sub debug ($) { #{{{
close OUT;
} #}}}
-sub findlinks ($) { #{{{
+sub findlinks ($$) { #{{{
my $content=shift;
+ my $page=shift;
my @links;
- while ($content =~ /$config{wiki_link_regexp}/g) {
+ while ($content =~ /(?<!\\)$config{wiki_link_regexp}/g) {
push @links, lc($1);
}
- return @links;
+ # Discussion links are a special case since they're not in the text
+ # of the page, but on its template.
+ return @links, "$page/discussion";
} #}}}
sub bestlink ($$) { #{{{
my $page=shift;
my $link=shift;
my $noimageinline=shift; # don't turn links into inline html images
- my $createsubpage=shift; # force creation of a subpage if page DNE
+ my $forcesubpage=shift; # force a link to a subpage
- my $bestlink=bestlink($page, $link);
+ my $bestlink;
+ if (! $forcesubpage) {
+ $bestlink=bestlink($page, $link);
+ }
+ else {
+ $bestlink="$page/".lc($link);
+ }
return $link if length $bestlink && $page eq $bestlink;
$bestlink=htmlpage($bestlink);
}
if (! grep { $_ eq $bestlink } values %renderedfiles) {
- if (! $createsubpage) {
- return "<a href=\"$config{cgiurl}?do=create&page=$link&from=$page\">?</a>$link"
- }
- else {
- return "<a href=\"$config{cgiurl}?do=create&page=$page/$link\">?</a>$link"
- }
+ return "<a href=\"$config{cgiurl}?do=create&page=$link&from=$page\">?</a>$link"
}
$bestlink=File::Spec->abs2rel($bestlink, dirname($page));
sub linkify ($$) { #{{{
my $content=shift;
- my $file=shift;
+ my $page=shift;
- $content =~ s/$config{wiki_link_regexp}/htmllink(pagename($file), $1)/eg;
+ $content =~ s{(\\?)$config{wiki_link_regexp}}{
+ $1 ? "[[$2]]" : htmllink($page, $2)
+ }eg;
return $content;
} #}}}
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);
}
my $skip=1;
foreach my $dir (reverse split("/", $page)) {
if (! $skip) {
+ $path.="../";
unshift @ret, { url => "$path$dir.html", page => $dir };
}
else {
$skip=0;
}
- $path.="../";
}
- unshift @ret, { url => $path , page => $config{wikiname} };
+ unshift @ret, { url => length $path ? $path : ".", page => $config{wikiname} };
return @ret;
} #}}}
my $src=shift;
if (! exists $renderedfiles{$src} && -e $dest && ! $config{rebuild}) {
- error("$dest exists and was rendered from ".
+ error("$dest already exists and was rendered from ".
join(" ",(grep { $renderedfiles{$_} eq $dest } keys
%renderedfiles)).
- ", not from $src before not overwriting");
+ ", before, so not rendering from $src");
}
} #}}}
-
+
sub render ($) { #{{{
my $file=shift;
if ($type ne 'unknown') {
my $page=pagename($file);
- $links{$page}=[findlinks($content)];
+ $links{$page}=[findlinks($content, $page)];
- $content=linkify($content, $file);
+ $content=linkify($content, $page);
$content=htmlize($type, $content);
$content=finalize($content, $page);
}
} #}}}
+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{srcdir}/.ikiwiki") {
+ mkdir("$config{srcdir}/.ikiwiki");
+ }
+ open(WIKILOCK, ">$config{srcdir}/.ikiwiki/lockfile") || error ("cannot write to 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{srcdir}/.ikiwiki/index") || return;
while (<IN>) {
my $num=shift;
my @ret;
+ eval q{use CGI 'escapeHTML'};
eval q{use Date::Parse};
eval q{use Time::Duration};
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 -v '$svn_url'`) {
+ foreach (`LANG=C svn log --limit $num -v '$svn_url'`) {
chomp;
if ($state eq 'start' && /$div/) {
$state='header';
@pages=@message=();
}
elsif ($state eq 'body') {
- push @message, {line => $_},
+ push @message, {line => escapeHTML($_)},
}
}
}
} #}}}
sub refresh () { #{{{
- # Find existing pages.
+ # 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 $_) {
+ elsif (! -d $_ && ! -l $_) {
my ($f)=/$config{wiki_file_regexp}/; # untaint
if (! defined $f) {
warn("skipping bad filename $_\n");
foreach my $page (keys %oldpagemtime) {
if (! $exists{$page}) {
debug("removing old page $page");
- push @del, $renderedfiles{$page};
+ push @del, $pagesources{$page};
prune($config{destdir}."/".$renderedfiles{$page});
delete $renderedfiles{$page};
$oldpagemtime{$page}=0;
foreach my $file (keys %rendered, @del) {
my $page=pagename($file);
if (exists $links{$page}) {
- foreach my $link (@{$links{$page}}) {
- $link=bestlink($page, $link);
+ foreach my $link (map { bestlink($page, $_) } @{$links{$page}}) {
if (length $link &&
! exists $oldlinks{$page} ||
! grep { $_ eq $link } @{$oldlinks{$page}}) {
}
}
if (exists $oldlinks{$page}) {
- foreach my $link (@{$oldlinks{$page}}) {
- $link=bestlink($page, $link);
+ foreach my $link (map { bestlink($page, $_) } @{$oldlinks{$page}}) {
if (length $link &&
! exists $links{$page} ||
! grep { $_ eq $link } @{$links{$page}}) {
}
} #}}}
-sub gen_wrapper () { #{{{
+sub gen_wrapper (@) { #{{{
+ my %config=(@_);
eval q{use Cwd 'abs_path'};
$config{srcdir}=abs_path($config{srcdir});
$config{destdir}=abs_path($config{destdir});
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{templatedir}, $config{destdir},
"--wikiname=$config{wikiname}");
push @params, "--verbose" if $config{verbose};
push @params, "--cgiurl=$config{cgiurl}" if length $config{cgiurl};
push @params, "--historyurl=$config{historyurl}" if length $config{historyurl};
push @params, "--anonok" if $config{anonok};
- my $params=join(" ", map { "\'$_\'" } @params);
+ my $params=join(" ", @params);
my $call='';
foreach my $p ($this, $this, @params) {
$call.=qq{"$p", };
}
EOF
close OUT;
- if (system("gcc", "ikiwiki-wrap.c", "-o", "ikiwiki-wrap") != 0) {
+ if (system("gcc", "ikiwiki-wrap.c", "-o", possibly_foolish_untaint($config{wrapper})) != 0) {
error("failed to compile ikiwiki-wrap.c");
}
unlink("ikiwiki-wrap.c");
- print "successfully generated ikiwiki-wrap\n";
- exit 0;
+ 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 ($$) { #{{{
print $q->redirect("$config{url}/".htmlpage($page));
return;
}
- if (! $form->submitted || ! $form->validate) {
+ elsif ($form->submitted eq "Preview") {
+ $form->tmpl_param("page_preview",
+ htmlize($config{default_pageext},
+ linkify($form->field('content'), $page)));
+ }
+ else {
+ $form->tmpl_param("page_preview", "");
+ }
+
+ 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
}
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}/ || $from=~/^\//) {
- @page_locs=$page;
+ @page_locs=$best_loc=$page;
}
else {
my $dir=$from."/";
$dir=~s![^/]+/$!!;
push @page_locs, $dir.$page;
push @page_locs, "$from/$page";
+ $best_loc="$from/$page";
while (length $dir) {
$dir=~s![^/]+/$!!;
push @page_locs, $dir.$page;
}
+
+ @page_locs = grep { ! exists
+ $pagesources{lc($_)} } @page_locs;
}
$form->tmpl_param("page_select", 1);
$form->field(name => "page", type => 'select',
- options => \@page_locs);
+ options => \@page_locs, value => $best_loc);
$form->title("creating $page");
}
elsif ($form->field("do") eq "edit") {
- my $content="";
- if (exists $pagesources{lc($page)}) {
- $content=readfile("$config{srcdir}/$pagesources{lc($page)}");
- $content=~s/\n/\r\n/g;
+ if (! 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 => "content", value => $content,
- force => 1);
$form->field(name => "page", type => 'hidden');
$form->title("editing $page");
}
$form->tmpl_param("can_commit", $config{svn});
$form->tmpl_param("indexlink", indexlink());
- print $form->render(submit => ["Save Page", "Cancel"]);
+ print $form->render(submit => ["Save Page", "Preview", "Cancel"]);
}
else {
# save page
# presumably the commit will trigger an update
# of the wiki
rcs_commit($message);
+ # prevent deadlock with post-commit hook
+ unlockwiki();
}
else {
+ loadindex();
refresh();
+ saveindex();
}
# The trailing question mark tries to avoid broken
}
} #}}}
+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 {{{
-gen_wrapper() if $config{wrapper};
+lockwiki();
+setup() if $config{setup};
+if ($config{wrapper}) {
+ gen_wrapper(%config);
+ exit;
+}
memoize('pagename');
memoize('bestlink');
loadindex() unless $config{rebuild};