prune: do not prune beyond an optional base directory, and add a test

[ikiwiki.git] / IkiWiki / Plugin / remove.pm

diff --git a/IkiWiki/Plugin/remove.pm b/IkiWiki/Plugin/remove.pm
index b664cbf744a14c10b279f0892f0a0a89041328b8..3e9f9b82f3326872d3155678570d34785974e1c2 100644 (file)
--- a/IkiWiki/Plugin/remove.pm
+++ b/IkiWiki/Plugin/remove.pm
@@ -42,9 +42,6 @@ sub check_canremove ($$$) {
                error(sprintf(gettext("%s is not a file"), $file));
        }
        
-       # Must be editable.
-       IkiWiki::check_canedit($page, $q, $session);
-
        # If a user can't upload an attachment, don't let them delete it.
        # This is sorta overkill, but better safe than sorry.
        if (! defined pagetype($pagesources{$page})) {
@@ -74,6 +71,7 @@ sub check_canremove ($$$) {
                        }
                }
        });
+       return defined $canremove ? $canremove : 1;
 }
 
 sub formbuilder_setup (@) {
@@ -102,7 +100,7 @@ sub confirmation_form ($$) {
                method => 'POST',
                javascript => 0,
                params => $q,
-               action => $config{cgiurl},
+               action => IkiWiki::cgiurl(),
                stylesheet => 1,
                fields => [qw{do page}],
        );
@@ -119,12 +117,26 @@ sub removal_confirm ($$@) {
        my $session=shift;
        my $attachment=shift;
        my @pages=@_;
+               
+       # Special case for unsaved attachments.
+       foreach my $page (@pages) {
+               if ($attachment && IkiWiki::Plugin::attachment->can("is_held_attachment")) {
+                       my $f=IkiWiki::Plugin::attachment::is_held_attachment($page);
+                       if (defined $f) {
+                               require IkiWiki::Render;
+                               IkiWiki::prune($f, "$config{wikistatedir}/attachments");
+                       }
+               }
+       }
+       @pages=grep { exists $pagesources{$_} } @pages;
+       return unless @pages;
 
        foreach my $page (@pages) {
+               IkiWiki::check_canedit($page, $q, $session);
                check_canremove($page, $q, $session);
        }
 
-       # Save current form state to allow returning to it later
+       # Save current form state to allow returning to it later
        # without losing any edits.
        # (But don't save what button was submitted, to avoid
        # looping back to here.)
@@ -179,10 +191,10 @@ sub formbuilder (@) {
 }
 
 sub sessioncgi ($$) {
-        my $q=shift;
+       my $q=shift;
 
        if ($q->param("do") eq 'remove') {
-               my $session=shift;
+               my $session=shift;
                my ($form, $buttons)=confirmation_form($q, $session);
                IkiWiki::decode_form_utf8($form);
 
@@ -193,11 +205,12 @@ sub sessioncgi ($$) {
                        IkiWiki::checksessionexpiry($q, $session, $q->param('sid'));
 
                        my @pages=$form->field("page");
-       
+                       
                        # Validate removal by checking that the page exists,
                        # and that the user is allowed to edit(/remove) it.
                        my @files;
                        foreach my $page (@pages) {
+                               IkiWiki::check_canedit($page, $q, $session);
                                check_canremove($page, $q, $session);
                                
                                # This untaint is safe because of the
@@ -213,15 +226,16 @@ sub sessioncgi ($$) {
                                foreach my $file (@files) {
                                        IkiWiki::rcs_remove($file);
                                }
-                               IkiWiki::rcs_commit_staged(gettext("removed"),
-                                       $session->param("name"),
-                                       $session->remote_addr());
+                               IkiWiki::rcs_commit_staged(
+                                       message => gettext("removed"),
+                                       session => $session,
+                               );
                                IkiWiki::enable_commit_hook();
                                IkiWiki::rcs_update();
                        }
                        else {
                                foreach my $file (@files) {
-                                       IkiWiki::prune("$config{srcdir}/$file");
+                                       IkiWiki::prune("$config{srcdir}/$file", $config{srcdir});
                                }
                        }
                        IkiWiki::refresh();
@@ -239,7 +253,7 @@ sub sessioncgi ($$) {
                                if (! exists $pagesources{$parent}) {
                                        $parent="index";
                                }
-                               IkiWiki::redirect($q, urlto($parent, '/', 1));
+                               IkiWiki::redirect($q, urlto($parent));
                        }
                }
                else {