rename, remove: Don't rely on a form parameter to tell whether the page should be...

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

diff --git a/IkiWiki/Plugin/remove.pm b/IkiWiki/Plugin/remove.pm
index 9b665513909bef3a395ab91469742d2d44be64ea..869d32f9303e41a2e96198615a2171305f6732e6 100644 (file)
--- a/IkiWiki/Plugin/remove.pm
+++ b/IkiWiki/Plugin/remove.pm
@@ -6,12 +6,56 @@ use strict;
 use IkiWiki 2.00;
 
 sub import { #{{{
+       hook(type => "getsetup", id => "remove", call => \&getsetup);
        hook(type => "formbuilder_setup", id => "remove", call => \&formbuilder_setup);
        hook(type => "formbuilder", id => "remove", call => \&formbuilder);
        hook(type => "sessioncgi", id => "remove", call => \&sessioncgi);
 
 } # }}}
 
+sub getsetup () { #{{{
+       return 
+               plugin => {
+                       safe => 1,
+                       rebuild => 0,
+               },
+} #}}}
+
+sub check_canremove ($$$) { #{{{
+       my $page=shift;
+       my $q=shift;
+       my $session=shift;
+
+       # Must be a known source file.
+       if (! exists $pagesources{$page}) {
+               error(sprintf(gettext("%s does not exist"),
+                       htmllink("", "", $page, noimageinline => 1)));
+       }
+
+       # Must exist on disk, and be a regular file.
+       my $file=$pagesources{$page};
+       if (! -e "$config{srcdir}/$file") {
+               error(sprintf(gettext("%s is not in the srcdir, so it cannot be deleted"), $file));
+       }
+       elsif (-l "$config{srcdir}/$file" && ! -f _) {
+               error(sprintf(gettext("%s is not a file"), $file));
+       }
+       
+       # Must be editiable.
+       IkiWiki::check_canedit($page, $q, $session);
+
+       # If a user can't upload an attachment, don't let them delete it.
+       # This is sorta overkill, but better safe than sorry.
+       if (! defined IkiWiki::pagetype($pagesources{$page})) {
+               if (IkiWiki::Plugin::attachment->can("check_canattach")) {
+                       IkiWiki::Plugin::attachment::check_canattach($session, $page, $file);
+               }
+               else {
+                       error("renaming of attachments is not allowed");
+               }
+       }
+} #}}}
+
 sub formbuilder_setup (@) { #{{{
        my %params=@_;
        my $form=$params{form};
@@ -47,12 +91,14 @@ sub confirmation_form ($$) { #{{{
        return $f, ["Remove", "Cancel"];
 } #}}}
 
-sub removal_confirm ($$@) {
+sub removal_confirm ($$@) { #{{{
        my $q=shift;
        my $session=shift;
        my $attachment=shift;
        my @pages=@_;
 
+       check_canremove($_, $q, $session) foreach @pages;
+
        # Save current form state to allow returning to it later
        # without losing any edits.
        # (But don't save what button was submitted, to avoid
@@ -73,9 +119,9 @@ sub removal_confirm ($$@) {
 
        IkiWiki::showform($f, $buttons, $session, $q);
        exit 0;
-}
+} #}}}
 
-sub postremove ($) {
+sub postremove ($) { #{{{
        my $session=shift;
 
        # Load saved form state and return to edit form.
@@ -83,7 +129,7 @@ sub postremove ($) {
        $session->clear("postremove");
        IkiWiki::cgi_savesession($session);
        IkiWiki::cgi($postremove, $session);
-}
+} #}}}
 
 sub formbuilder (@) { #{{{
        my %params=@_;
@@ -124,32 +170,12 @@ sub sessioncgi ($$) { #{{{
                        # and that the user is allowed to edit(/remove) it.
                        my @files;
                        foreach my $page (@pages) {
-                               # Must be a known source file.
-                               if (! exists $pagesources{$page}) {
-                                       error(sprintf(gettext("%s does not exist"),
-                                       htmllink("", "", $page, noimageinline => 1)));
-                               }
-
-                               # Must exist on disk, and be a regular file.
-                               my $file=$pagesources{$page};
-                               if (! -e "$config{srcdir}/$file") {
-                                       error(sprintf(gettext("%s is not in the srcdir, so it cannot be deleted"), $file));
-                               }
-                               elsif (-l "$config{srcdir}/$file" && ! -f _) {
-                                       error(sprintf(gettext("%s is not a file"), $file));
-                               }
+                               check_canremove($page, $q, $session);
                                
-                               # Must be editiable.
-                               IkiWiki::check_canedit($page, $q, $session);
-
-                               # This is sorta overkill, but better safe
-                               # than sorry. If a user can't upload an
-                               # attachment, don't let them delete it.
-                               if ($q->param("attachment")) {
-                                       IkiWiki::Plugin::attachment::check_canattach($session, $page, $file);
-                               }
-
-                               push @files, IkiWiki::possibly_foolish_untaint($file);
+                               # This untaint is safe because of the
+                               # checks performed above, which verify the
+                               # page is a normal file, etc.
+                               push @files, IkiWiki::possibly_foolish_untaint($pagesources{$page});
                        }
 
                        # Do removal, and update the wiki.
@@ -157,11 +183,10 @@ sub sessioncgi ($$) { #{{{
                        if ($config{rcs}) {
                                IkiWiki::disable_commit_hook();
                                foreach my $file (@files) {
-                                       my $token=IkiWiki::rcs_prepedit($file);
                                        IkiWiki::rcs_remove($file);
-                                       IkiWiki::rcs_commit($file, gettext("removed"),
-                                               $token, $session->param("name"), $ENV{REMOTE_ADDR});
                                }
+                               IkiWiki::rcs_commit_staged(gettext("removed"),
+                                       $session->param("name"), $ENV{REMOTE_ADDR});
                                IkiWiki::enable_commit_hook();
                                IkiWiki::rcs_update();
                        }