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#!/usr/bin/perl
package IkiWiki::Plugin::rename;
use warnings;
use strict;
use IkiWiki 2.00;
sub import { #{{{
hook(type => "formbuilder_setup", id => "rename", call => \&formbuilder_setup);
hook(type => "formbuilder", id => "rename", call => \&formbuilder);
hook(type => "sessioncgi", id => "rename", call => \&sessioncgi);
} # }}}
sub check_canrename ($$$$$$$) { #{{{
my $src=shift;
my $srcfile=shift;
my $dest=shift;
my $destfile=shift;
my $q=shift;
my $session=shift;
my $attachment=shift;
# Must be a known source file.
if (! exists $pagesources{$src}) {
error(sprintf(gettext("%s does not exist"),
htmllink("", "", $src, noimageinline => 1)));
}
# Must exist on disk, and be a regular file.
if (! -e "$config{srcdir}/$srcfile") {
error(sprintf(gettext("%s is not in the srcdir, so it cannot be renamed"), $srcfile));
}
elsif (-l "$config{srcdir}/$srcfile" && ! -f _) {
error(sprintf(gettext("%s is not a file"), $srcfile));
}
# Must be editable.
IkiWiki::check_canedit($src, $q, $session);
if ($attachment) {
IkiWiki::Plugin::attachment::check_canattach($session, $src, $srcfile);
}
# Dest checks can be omitted by passing undef.
if (defined $dest) {
if ($src eq $dest || $srcfile eq $destfile) {
error(gettext("no change to the file name was specified"));
}
# Must be a legal filename, and not absolute.
if (IkiWiki::file_pruned($destfile, $config{srcdir}) ||
$destfile=~/^\//) {
error(sprintf(gettext("illegal name")));
}
# Must not be a known source file.
if (exists $pagesources{$dest}) {
error(sprintf(gettext("%s already exists"),
htmllink("", "", $dest, noimageinline => 1)));
}
# Must not exist on disk already.
if (-l "$config{srcdir}/$destfile" || -e _) {
error(sprintf(gettext("%s already exists on disk"), $destfile));
}
# Must be editable.
IkiWiki::check_canedit($dest, $q, $session);
if ($attachment) {
# Note that $srcfile is used here, not $destfile,
# because it wants the current file, to check it.
IkiWiki::Plugin::attachment::check_canattach($session, $dest, $srcfile);
}
}
} #}}}
sub formbuilder_setup (@) { #{{{
my %params=@_;
my $form=$params{form};
my $q=$params{cgi};
if (defined $form->field("do") && $form->field("do") eq "edit") {
# Rename button for the page, and also for attachments.
push @{$params{buttons}}, "Rename";
$form->tmpl_param("field-rename" => '<input name="_submit" type="submit" value="Rename Attachment" />');
}
} #}}}
sub rename_form ($$$) { #{{{
my $q=shift;
my $session=shift;
my $page=shift;
eval q{use CGI::FormBuilder};
error($@) if $@;
my $f = CGI::FormBuilder->new(
name => "rename",
title => sprintf(gettext("rename %s"), IkiWiki::pagetitle($page)),
header => 0,
charset => "utf-8",
method => 'POST',
javascript => 0,
params => $q,
action => $config{cgiurl},
stylesheet => IkiWiki::baseurl()."style.css",
fields => [qw{do page new_name attachment}],
);
$f->field(name => "do", type => "hidden", value => "rename", force => 1);
$f->field(name => "page", type => "hidden", value => $page, force => 1);
$f->field(name => "new_name", value => IkiWiki::pagetitle($page), size => 60);
$f->field(name => "attachment", type => "hidden");
return $f, ["Rename", "Cancel"];
} #}}}
sub rename_start ($$$$) {
my $q=shift;
my $session=shift;
my $attachment=shift;
my $page=shift;
check_canrename($page, $pagesources{$page}, undef, undef,
$q, $session, $attachment);
# Save current form state to allow returning to it later
# without losing any edits.
# (But don't save what button was submitted, to avoid
# looping back to here.)
# Note: "_submit" is CGI::FormBuilder internals.
$q->param(-name => "_submit", -value => "");
$session->param(postrename => scalar $q->Vars);
IkiWiki::cgi_savesession($session);
my ($f, $buttons)=rename_form($q, $session, $page);
if (defined $attachment) {
$f->field(name => "attachment", value => $attachment, force => 1);
}
IkiWiki::showform($f, $buttons, $session, $q);
exit 0;
}
sub postrename ($;$) {
my $session=shift;
my $newname=shift;
# Load saved form state and return to edit form.
my $postrename=CGI->new($session->param("postrename"));
if (defined $newname) {
# They renamed the page they were editing.
# Tweak the edit form to be editing the new
# page name, and redirect back to it.
# (Deep evil here.)
error("don't know how to redir back!"); ## FIXME
}
$session->clear("postrename");
IkiWiki::cgi_savesession($session);
IkiWiki::cgi($postrename, $session);
}
sub formbuilder (@) { #{{{
my %params=@_;
my $form=$params{form};
if (defined $form->field("do") && $form->field("do") eq "edit") {
my $q=$params{cgi};
my $session=$params{session};
if ($form->submitted eq "Rename") {
rename_start($q, $session, 0, $form->field("page"));
}
elsif ($form->submitted eq "Rename Attachment") {
my @selected=$q->param("attachment_select");
if (@selected > 1) {
error(gettext("Only one attachment can be renamed at a time."));
}
elsif (! @selected) {
error(gettext("Please select the attachment to rename."))
}
rename_start($q, $session, 1, $selected[0]);
}
}
} #}}}
sub sessioncgi ($$) { #{{{
my $q=shift;
if ($q->param("do") eq 'rename') {
my $session=shift;
my ($form, $buttons)=rename_form($q, $session, $q->param("page"));
IkiWiki::decode_form_utf8($form);
if ($form->submitted eq 'Cancel') {
postrename($session);
}
elsif ($form->submitted eq 'Rename' && $form->validate) {
# These untaints are safe because of the checks
# performed in check_canrename below.
my $src=$q->param("page");
my $srcfile=IkiWiki::possibly_foolish_untaint($pagesources{$src});
my $dest=IkiWiki::possibly_foolish_untaint(IkiWiki::titlepage($q->param("new_name")));
# The extension of dest is the same as src if it's
# a page. If it's an extension, the extension is
# already included.
my $destfile=$dest;
if (! $q->param("attachment")) {
my ($ext)=$srcfile=~/(\.[^.]+)$/;
$destfile.=$ext;
}
check_canrename($src, $srcfile, $dest, $destfile,
$q, $session, $q->param("attachment"));
# Ensures that the dest directory exists and is ok.
IkiWiki::prep_writefile($destfile, $config{srcdir});
# Do rename, and update the wiki.
require IkiWiki::Render;
if ($config{rcs}) {
IkiWiki::disable_commit_hook();
IkiWiki::rcs_rename($srcfile, $destfile);
IkiWiki::rcs_commit_staged(gettext("rename $srcfile to $destfile"),
$session->param("name"), $ENV{REMOTE_ADDR});
IkiWiki::enable_commit_hook();
IkiWiki::rcs_update();
}
else {
if (! rename("$config{srcdir}/$srcfile", "$config{srcdir}/$destfile")) {
error("rename: $!");
}
}
IkiWiki::refresh();
IkiWiki::saveindex();
if ($q->param("attachment")) {
postrename($session);
}
else {
postrename($session, $dest);
}
}
else {
IkiWiki::showform($form, $buttons, $session, $q);
}
exit 0;
}
}
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