X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/b286ce04cb9d6b29048e0ad7549cfe980d8c2e7b..7f8259441058b16db1fd8dc2c6a53827a46794d8:/IkiWiki/Plugin/remove.pm

diff --git a/IkiWiki/Plugin/remove.pm b/IkiWiki/Plugin/remove.pm
index 3ad90ad6d..b1cb6233d 100644
--- a/IkiWiki/Plugin/remove.pm
+++ b/IkiWiki/Plugin/remove.pm
@@ -6,20 +6,62 @@ 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;
+	my $attachment=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, $session);
+
+	# This is sorta overkill, but better safe
+	# than sorry. If a user can't upload an
+	# attachment, don't let them delete it.
+	if ($attachment) {
+		IkiWiki::Plugin::attachment::check_canattach($session, $page, $file);
+	}
+} #}}}
+
 sub formbuilder_setup (@) { #{{{
 	my %params=@_;
 	my $form=$params{form};
 	my $q=$params{cgi};
 
 	if (defined $form->field("do") && $form->field("do") eq "edit") {
+		# Removal button for the page, and also for attachments.
 		push @{$params{buttons}}, "Remove";
-		# TODO button for attachments
+		$form->tmpl_param("field-remove" => '<input name="_submit" type="submit" value="Remove Attachments" />');
 	}
 } #}}}
 
@@ -29,9 +71,7 @@ sub confirmation_form ($$) { #{{{
 
 	eval q{use CGI::FormBuilder};
 	error($@) if $@;
-	my @fields=qw(do page);
 	my $f = CGI::FormBuilder->new(
-		title => "confirm removal",
 		name => "remove",
 		header => 0,
 		charset => "utf-8",
@@ -40,46 +80,72 @@ sub confirmation_form ($$) { #{{{
 		params => $q,
 		action => $config{cgiurl},
 		stylesheet => IkiWiki::baseurl()."style.css",
-		fields => \@fields,
+		fields => [qw{do page}],
 	);
-		
+	
 	$f->field(name => "do", type => "hidden", value => "remove", force => 1);
-	$f->field(name => "page", label => "Will remove:", validate => sub {
-		my $page=shift;
-		if (! exists $pagesources{$page}) {
-			$f->field(name => "page", message => gettext("page does not exist"));
-			return 0;
-		}
-		else {
-			IkiWiki::check_canedit($page, $q, $session);
-			return 1;
-		}
-	});
 
 	return $f, ["Remove", "Cancel"];
 } #}}}
 
+sub removal_confirm ($$@) { #{{{
+	my $q=shift;
+	my $session=shift;
+	my $attachment=shift;
+	my @pages=@_;
+
+	check_canremove($_, $q, $session, $attachment) 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
+	# looping back to here.)
+	# Note: "_submit" is CGI::FormBuilder internals.
+	$q->param(-name => "_submit", -value => "");
+	$session->param(postremove => scalar $q->Vars);
+	IkiWiki::cgi_savesession($session);
+	
+	my ($f, $buttons)=confirmation_form($q, $session);
+	$f->title(sprintf(gettext("confirm removal of %s"),
+		join(", ", map { IkiWiki::pagetitle($_) } @pages)));
+	$f->field(name => "page", type => "hidden", value => \@pages, force => 1);
+	if (defined $attachment) {
+		$f->field(name => "attachment", type => "hidden",
+			value => $attachment, force => 1);
+	}
+
+	IkiWiki::showform($f, $buttons, $session, $q);
+	exit 0;
+} #}}}
+
+sub postremove ($) { #{{{
+	my $session=shift;
+
+	# Load saved form state and return to edit form.
+	my $postremove=CGI->new($session->param("postremove"));
+	$session->clear("postremove");
+	IkiWiki::cgi_savesession($session);
+	IkiWiki::cgi($postremove, $session);
+} #}}}
+
 sub formbuilder (@) { #{{{
 	my %params=@_;
 	my $form=$params{form};
 
-	if (defined $form->field("do") && $form->field("do") eq "edit" &&
-	    $form->submitted eq "Remove") {
+	if (defined $form->field("do") && $form->field("do") eq "edit") {
 		my $q=$params{cgi};
 		my $session=$params{session};
-	    	# Save current form state to allow returning to it later
-		# without losing any edits.
-		# (But don't save what button was submitted.)
-		$q->param(-name => "_submit", -value => "");
-		$session->param(postremove => scalar $q->Vars);
-		IkiWiki::cgi_savesession($session);
-
-		# Display a small confirmation form.
-		my ($f, $buttons)=confirmation_form($q, $session);
-		$f->field(name => "page", value => $form->field("page"),
-			force => 1);
-		IkiWiki::showform($f, $buttons, $session, $q);
-		exit 0;
+
+		if ($form->submitted eq "Remove") {
+			removal_confirm($q, $session, 0, $form->field("page"));
+		}
+		elsif ($form->submitted eq "Remove Attachments") {
+			my @selected=$q->param("attachment_select");
+			if (! @selected) {
+				error(gettext("Please select the attachments to remove."));
+			}
+			removal_confirm($q, $session, 1, @selected);
+		}
 	}
 } #}}}
 
@@ -90,21 +156,65 @@ sub sessioncgi ($$) { #{{{
         	my $session=shift;
 		my ($form, $buttons)=confirmation_form($q, $session);
 		IkiWiki::decode_form_utf8($form);
+
 		if ($form->submitted eq 'Cancel') {
-			# Load saved form state and return to edit form.
-			my $postremove=CGI->new($session->param("postremove"));
-			$session->clear("postremove");
-			IkiWiki::cgi_savesession($session);
-			IkiWiki::cgi($postremove, $session);
-			exit 0;
+			postremove($session);
 		}
 		elsif ($form->submitted eq 'Remove' && $form->validate) {
-			error("removal not yet implemented"); # TODO
+			my @pages=$q->param("page");
+	
+			# Validate removal by checking that the page exists,
+			# and that the user is allowed to edit(/remove) it.
+			my @files;
+			foreach my $page (@pages) {
+				check_canremove($page, $q, $session, $q->param("attachment"));
+				
+				# This untaint is safe because of the
+				# checks performed above, which verify the
+				# page is a normal file, etc.
+				push @files, IkiWiki::possibly_foolish_untaint($pagesources{$page});
+			}
+
+			# Do removal, and update the wiki.
+			require IkiWiki::Render;
+			if ($config{rcs}) {
+				IkiWiki::disable_commit_hook();
+				foreach my $file (@files) {
+					IkiWiki::rcs_remove($file);
+				}
+				IkiWiki::rcs_commit_staged(gettext("removed"),
+					$session->param("name"), $ENV{REMOTE_ADDR});
+				IkiWiki::enable_commit_hook();
+				IkiWiki::rcs_update();
+			}
+			else {
+				foreach my $file (@files) {
+					IkiWiki::prune("$config{srcdir}/$file");
+				}
+			}
+			IkiWiki::refresh();
+			IkiWiki::saveindex();
+
+			if ($q->param("attachment")) {
+				# Attachments were deleted, so redirect
+				# back to the edit form.
+				postremove($session);
+			}
+			else {
+				# The page is gone, so redirect to parent
+				# of the page.
+				my $parent=IkiWiki::dirname($pages[0]);
+				if (! exists $pagesources{$parent}) {
+					$parent="index";
+				}
+				IkiWiki::redirect($q, urlto($parent, '/', 1));
+			}
 		}
 		else {
 			IkiWiki::showform($form, $buttons, $session, $q);
-			exit 0;
 		}
+
+		exit 0;
 	}
 }