Add allow_symlinks_before_srcdir config setting

[git.ikiwiki.info.git] / IkiWiki / Render.pm

diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm
index 3422024d1e1c6d09ca701082c91ffa92b25d9a8d..ab3ccd7aec0655035e7626bedc77e87053699ab5 100644 (file)
--- a/IkiWiki/Render.pm
+++ b/IkiWiki/Render.pm
@@ -47,23 +47,6 @@ sub backlinks ($) { #{{{
        return @links;
 } #}}}
 
-sub parentlinks ($) { #{{{
-       my $page=shift;
-       
-       my @ret;
-       my $pagelink="";
-       my $path="";
-       my $title=$config{wikiname};
-       
-       foreach my $dir (split("/", $page)) {
-               next if $dir eq 'index';
-               push @ret, { url => urlto($path, $page), page => $title };
-               $path.="/".$dir;
-               $title=pagetitle($dir);
-       }
-       return @ret;
-} #}}}
-
 sub genpage ($$) { #{{{
        my $page=shift;
        my $content=shift;
@@ -80,7 +63,7 @@ sub genpage ($$) { #{{{
        my $actions=0;
 
        if (length $config{cgiurl}) {
-               $template->param(editurl => cgiurl(do => "edit", page => pagetitle($page, 1)));
+               $template->param(editurl => cgiurl(do => "edit", page => $page));
                $template->param(prefsurl => cgiurl(do => "prefs"));
                $actions++;
        }
@@ -121,7 +104,6 @@ sub genpage ($$) { #{{{
                        ? $config{wikiname} 
                        : pagetitle(basename($page)),
                wikiname => $config{wikiname},
-               parentlinks => [parentlinks($page)],
                content => $content,
                backlinks => $backlinks,
                more_backlinks => $more_backlinks,
@@ -135,6 +117,10 @@ sub genpage ($$) { #{{{
        });
        
        $content=$template->output;
+       
+       run_hooks(postscan => sub {
+               shift->(page => $page, content => $content);
+       });
 
        run_hooks(format => sub {
                $content=shift->(
@@ -180,6 +166,30 @@ sub scan ($) { #{{{
        }
 } #}}}
 
+sub fast_file_copy (@) { #{{{
+       my $srcfile=shift;
+       my $destfile=shift;
+       my $srcfd=shift;
+       my $destfd=shift;
+       my $cleanup=shift;
+
+       my $blksize = 16384;
+       my ($len, $buf, $written);
+       while ($len = sysread $srcfd, $buf, $blksize) {
+               if (! defined $len) {
+                       next if $! =~ /^Interrupted/;
+                       error("failed to read $srcfile: $!", $cleanup);
+               }
+               my $offset = 0;
+               while ($len) {
+                       defined($written = syswrite $destfd, $buf, $len, $offset)
+                               or error("failed to write $destfile: $!", $cleanup);
+                       $len -= $written;
+                       $offset += $written;
+               }
+       }
+}
+
 sub render ($) { #{{{
        my $file=shift;
        
@@ -191,7 +201,7 @@ sub render ($) { #{{{
                will_render($page, htmlpage($page), 1);
                return if $type=~/^_/;
                
-               my $content=htmlize($page, $type,
+               my $content=htmlize($page, $page, $type,
                        linkify($page, $page,
                        preprocess($page, $page,
                        filter($page, $page,
@@ -205,34 +215,21 @@ sub render ($) { #{{{
                will_render($file, $file, 1);
                
                if ($config{hardlink}) {
-                       prep_writefile($file, $config{destdir});
-                       unlink($config{destdir}."/".$file);
-                       if (link($srcfile, $config{destdir}."/".$file)) {
-                               return;
+                       # only hardlink if owned by same user
+                       my @stat=stat($srcfile);
+                       if ($stat[4] == $>) {
+                               prep_writefile($file, $config{destdir});
+                               unlink($config{destdir}."/".$file);
+                               if (link($srcfile, $config{destdir}."/".$file)) {
+                                       return;
+                               }
                        }
                        # if hardlink fails, fall back to copying
                }
                
                my $srcfd=readfile($srcfile, 1, 1);
                writefile($file, $config{destdir}, undef, 1, sub {
-                       my $destfd=shift;
-                       my $cleanup=shift;
-
-                       my $blksize = 16384;
-                       my ($len, $buf, $written);
-                       while ($len = sysread $srcfd, $buf, $blksize) {
-                               if (! defined $len) {
-                                       next if $! =~ /^Interrupted/;
-                                       error("failed to read $srcfile: $!", $cleanup);
-                               }
-                               my $offset = 0;
-                               while ($len) {
-                                       defined($written = syswrite $destfd, $buf, $len, $offset)
-                                               or error("failed to write $file: $!", $cleanup);
-                                       $len -= $written;
-                                       $offset += $written;
-                               }
-                       }
+                       fast_file_copy($srcfile, $file, $srcfd, @_);
                });
        }
 } #}}}
@@ -248,11 +245,11 @@ sub prune ($) { #{{{
 } #}}}
 
 sub refresh () { #{{{
-       # security check, avoid following symlinks in the srcdir path
+       # security check, avoid following symlinks in the srcdir path by default
        my $test=$config{srcdir};
        while (length $test) {
-               if (-l $test) {
-                       error("symlink found in srcdir path ($test)");
+               if (-l $test && ! $config{allow_symlinks_before_srcdir}) {
+                       error("symlink found in srcdir path ($test) -- set allow_symlinks_before_srcdir to allow this");
                }
                unless ($test=~s/\/+$//) {
                        $test=dirname($test);
@@ -520,7 +517,7 @@ sub commandline_render () { #{{{
        $content=filter($page, $page, $content);
        $content=preprocess($page, $page, $content);
        $content=linkify($page, $page, $content);
-       $content=htmlize($page, $type, $content);
+       $content=htmlize($page, $page, $type, $content);
        $pagemtime{$page}=(stat($srcfile))[9];
 
        print genpage($page, $content);