406 lines
11 KiB
Perl
406 lines
11 KiB
Perl
#!/usr/bin/perl
|
|
package IkiWiki::Plugin::attachment;
|
|
|
|
use warnings;
|
|
use strict;
|
|
use IkiWiki 3.00;
|
|
|
|
sub import {
|
|
add_underlay("attachment");
|
|
add_underlay("javascript");
|
|
add_underlay("jquery");
|
|
hook(type => "getsetup", id => "attachment", call => \&getsetup);
|
|
hook(type => "checkconfig", id => "attachment", call => \&checkconfig);
|
|
hook(type => "formbuilder_setup", id => "attachment", call => \&formbuilder_setup);
|
|
hook(type => "formbuilder", id => "attachment", call => \&formbuilder, last => 1);
|
|
IkiWiki::loadplugin("filecheck");
|
|
}
|
|
|
|
sub getsetup () {
|
|
return
|
|
plugin => {
|
|
safe => 1,
|
|
rebuild => 0,
|
|
section => "web",
|
|
},
|
|
allowed_attachments => {
|
|
type => "pagespec",
|
|
example => "virusfree() and mimetype(image/*) and maxsize(50kb)",
|
|
description => "enhanced PageSpec specifying what attachments are allowed",
|
|
link => "ikiwiki/PageSpec/attachment",
|
|
safe => 1,
|
|
rebuild => 0,
|
|
},
|
|
virus_checker => {
|
|
type => "string",
|
|
example => "clamdscan -",
|
|
description => "virus checker program (reads STDIN, returns nonzero if virus found)",
|
|
safe => 0, # executed
|
|
rebuild => 0,
|
|
},
|
|
}
|
|
|
|
sub check_canattach ($$;$) {
|
|
my $session=shift;
|
|
my $dest=shift; # where it's going to be put, under the srcdir
|
|
my $file=shift; # the path to the attachment currently
|
|
|
|
# Don't allow an attachment to be uploaded with the same name as an
|
|
# existing page.
|
|
if (exists $IkiWiki::pagesources{$dest} &&
|
|
$IkiWiki::pagesources{$dest} ne $dest) {
|
|
error(sprintf(gettext("there is already a page named %s"), $dest));
|
|
}
|
|
|
|
# Use a special pagespec to test that the attachment is valid.
|
|
my $allowed=1;
|
|
if (defined $config{allowed_attachments} &&
|
|
length $config{allowed_attachments}) {
|
|
$allowed=pagespec_match($dest,
|
|
$config{allowed_attachments},
|
|
file => $file,
|
|
user => $session->param("name"),
|
|
ip => $session->remote_addr(),
|
|
);
|
|
}
|
|
|
|
if (! $allowed) {
|
|
error(gettext("prohibited by allowed_attachments")." ($allowed)");
|
|
}
|
|
else {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
sub checkconfig () {
|
|
$config{cgi_disable_uploads}=0;
|
|
}
|
|
|
|
sub formbuilder_setup (@) {
|
|
my %params=@_;
|
|
my $form=$params{form};
|
|
my $q=$params{cgi};
|
|
|
|
if (defined $form->field("do") && ($form->field("do") eq "edit" ||
|
|
$form->field("do") eq "create")) {
|
|
# Add attachment field, set type to multipart.
|
|
$form->enctype(&CGI::MULTIPART);
|
|
$form->field(name => 'attachment', type => 'file');
|
|
# These buttons are not put in the usual place, so
|
|
# are not added to the normal formbuilder button list.
|
|
$form->tmpl_param("field-upload" => '<input name="_submit" type="submit" value="Upload Attachment" />');
|
|
$form->tmpl_param("field-link" => '<input name="_submit" type="submit" value="Insert Links" />');
|
|
|
|
# Add all the javascript used by the attachments interface.
|
|
require IkiWiki::Plugin::toggle;
|
|
my $js=IkiWiki::Plugin::toggle::include_javascript($params{page});
|
|
$js.='<link rel="stylesheet" href="'.urlto("ikiwiki/jquery-ui.min.css", $params{page}).'" id="theme">'."\n";
|
|
my @jsfiles=qw{jquery.min jquery-ui.min
|
|
jquery.tmpl.min jquery.iframe-transport
|
|
jquery.fileupload jquery.fileupload-ui
|
|
};
|
|
foreach my $file (@jsfiles) {
|
|
$js.='<script src="'.urlto("ikiwiki/$file.js", $params{page}).
|
|
'" type="text/javascript" charset="utf-8"></script>'."\n";
|
|
}
|
|
$form->tmpl_param("javascript" => $js);
|
|
|
|
# Start with the attachments interface toggled invisible,
|
|
# but if it was used, keep it open.
|
|
if ($form->submitted ne "Upload Attachment" &&
|
|
(! defined $q->param("attachment_select") ||
|
|
! length $q->param("attachment_select"))) {
|
|
$form->tmpl_param("attachments-class" => "toggleable");
|
|
}
|
|
else {
|
|
$form->tmpl_param("attachments-class" => "toggleable-open");
|
|
}
|
|
|
|
# Save attachments in holding area before previewing and
|
|
# saving.
|
|
if ($form->submitted eq "Preview" ||
|
|
$form->submitted eq "Save Page") {
|
|
attachments_save($form, $params{session});
|
|
}
|
|
}
|
|
}
|
|
|
|
sub formbuilder (@) {
|
|
my %params=@_;
|
|
my $form=$params{form};
|
|
my $q=$params{cgi};
|
|
|
|
return if ! defined $form->field("do") || ($form->field("do") ne "edit" && $form->field("do") ne "create") ;
|
|
|
|
my $filename=Encode::decode_utf8(scalar $q->param('attachment'));
|
|
my $handle=$q->upload('attachment');
|
|
|
|
if (defined $filename && length $filename) {
|
|
attachment_store($filename, $handle, $form, $q, $params{session});
|
|
}
|
|
|
|
if ($form->submitted eq "Save Page") {
|
|
attachments_save($form, $params{session});
|
|
}
|
|
|
|
if ($form->submitted eq "Insert Links") {
|
|
my $page=quotemeta(Encode::decode_utf8(scalar $q->param("page")));
|
|
my $add="";
|
|
foreach my $f (@{$q->param_fetch("attachment_select")}) {
|
|
$f=Encode::decode_utf8($f);
|
|
$f=~s/^$page\///;
|
|
if (IkiWiki::isinlinableimage($f) &&
|
|
IkiWiki::Plugin::img->can("import")) {
|
|
$add.='[[!img '.$f.' align="right" size="" alt=""]]';
|
|
}
|
|
else {
|
|
$add.="[[$f]]";
|
|
}
|
|
$add.="\n";
|
|
}
|
|
my $content = $form->field('editcontent');
|
|
$form->field(name => 'editcontent',
|
|
value => $content."\n\n".$add,
|
|
force => 1) if length $add;
|
|
}
|
|
|
|
# Generate the attachment list only after having added any new
|
|
# attachments.
|
|
$form->tmpl_param("attachment_list" => [attachment_list(scalar $form->field('page'))]);
|
|
}
|
|
|
|
sub attachment_holding_location {
|
|
my $page=attachment_location(shift);
|
|
|
|
my $dir=$config{wikistatedir}."/attachments/".
|
|
IkiWiki::possibly_foolish_untaint(linkpage($page));
|
|
$dir=~s/\/$//;
|
|
return $dir;
|
|
}
|
|
|
|
sub is_held_attachment {
|
|
my $attachment=shift;
|
|
|
|
my $f=attachment_holding_location($attachment);
|
|
if (-f $f) {
|
|
return $f
|
|
}
|
|
else {
|
|
return undef;
|
|
}
|
|
}
|
|
|
|
# Stores the attachment in a holding area, not yet in the wiki proper.
|
|
sub attachment_store {
|
|
my $filename=shift;
|
|
my $handle=shift;
|
|
my $form=shift;
|
|
my $q=shift;
|
|
my $session=shift;
|
|
|
|
my $tempfile;
|
|
if (defined $handle) {
|
|
# This is what works in CGI.pm 4.09+: $q->tmpFileName($q->upload('attachment'))
|
|
$tempfile=$q->tmpFileName($handle);
|
|
}
|
|
if (! defined $tempfile || ! length $tempfile) {
|
|
# This is what is *documented* in CGI.pm 4.09: $q->tmpFileName($q->param('attachment'))
|
|
$tempfile=$q->tmpFileName($filename);
|
|
}
|
|
if (! defined $tempfile || ! length $tempfile) {
|
|
# perl 5.8 needs an alternative, awful method
|
|
if ($q =~ /HASH/ && exists $q->{'.tmpfiles'}) {
|
|
foreach my $key (keys(%{$q->{'.tmpfiles'}})) {
|
|
$tempfile=$q->tmpFileName(\$key);
|
|
last if defined $tempfile && length $tempfile;
|
|
}
|
|
}
|
|
}
|
|
if (! defined $tempfile || ! length $tempfile) {
|
|
error("CGI::tmpFileName failed to return the uploaded file name");
|
|
}
|
|
|
|
$filename=IkiWiki::basename($filename);
|
|
$filename=~s/.*\\+(.+)/$1/; # hello, windows
|
|
$filename=IkiWiki::possibly_foolish_untaint(linkpage($filename));
|
|
my $dest=attachment_holding_location(scalar $form->field('page'));
|
|
|
|
# Check that the user is allowed to edit the attachment.
|
|
my $final_filename=
|
|
linkpage(IkiWiki::possibly_foolish_untaint(
|
|
attachment_location(scalar $form->field('page')))).
|
|
$filename;
|
|
eval {
|
|
if (IkiWiki::file_pruned($final_filename)) {
|
|
error(gettext("bad attachment filename"));
|
|
}
|
|
IkiWiki::check_canedit($final_filename, $q, $session);
|
|
# And that the attachment itself is acceptable.
|
|
check_canattach($session, $final_filename, $tempfile);
|
|
};
|
|
if ($@) {
|
|
# save error in case called functions clobber $@
|
|
my $error = $@;
|
|
json_response($q, $form, $dest."/".$filename, $error);
|
|
error $error;
|
|
}
|
|
|
|
# Move the attachment into holding directory.
|
|
# Try to use a fast rename; fall back to copying.
|
|
IkiWiki::prep_writefile($filename, $dest);
|
|
unlink($dest."/".$filename);
|
|
if (rename($tempfile, $dest."/".$filename)) {
|
|
# The temp file has tight permissions; loosen up.
|
|
chmod(0666 & ~umask, $dest."/".$filename);
|
|
}
|
|
else {
|
|
my $fh=$q->upload('attachment');
|
|
if (! defined $fh || ! ref $fh) {
|
|
# needed by old CGI versions
|
|
$fh=$q->param('attachment');
|
|
if (! defined $fh || ! ref $fh) {
|
|
# even that doesn't always work,
|
|
# fall back to opening the tempfile
|
|
$fh=undef;
|
|
open($fh, "<", $tempfile) || error("failed to open \"$tempfile\": $!");
|
|
}
|
|
}
|
|
binmode($fh);
|
|
require IkiWiki::Render;
|
|
writefile($filename, $dest, undef, 1, sub {
|
|
IkiWiki::fast_file_copy($tempfile, $filename, $fh, @_);
|
|
});
|
|
}
|
|
|
|
json_response($q, $form, $dest."/".$filename, stored_msg());
|
|
}
|
|
|
|
# Save all stored attachments for a page.
|
|
sub attachments_save {
|
|
my $form=shift;
|
|
my $session=shift;
|
|
|
|
# Move attachments out of holding directory.
|
|
my @attachments;
|
|
my $dir=attachment_holding_location(scalar $form->field('page'));
|
|
foreach my $filename (glob("$dir/*")) {
|
|
$filename=Encode::decode_utf8($filename);
|
|
next unless -f $filename;
|
|
my $destdir=linkpage(IkiWiki::possibly_foolish_untaint(
|
|
attachment_location(scalar $form->field('page'))));
|
|
my $absdestdir=$config{srcdir}."/".$destdir;
|
|
my $destfile=IkiWiki::basename($filename);
|
|
my $dest=$absdestdir.$destfile;
|
|
unlink($dest);
|
|
IkiWiki::prep_writefile($destfile, $absdestdir);
|
|
rename($filename, $dest);
|
|
push @attachments, $destdir.$destfile;
|
|
}
|
|
return unless @attachments;
|
|
require IkiWiki::Render;
|
|
IkiWiki::prune($dir, $config{wikistatedir}."/attachments");
|
|
|
|
# Check the attachments in and trigger a wiki refresh.
|
|
if ($config{rcs}) {
|
|
IkiWiki::rcs_add($_) foreach @attachments;
|
|
IkiWiki::disable_commit_hook();
|
|
IkiWiki::rcs_commit_staged(
|
|
message => gettext("attachment upload"),
|
|
session => $session,
|
|
);
|
|
IkiWiki::enable_commit_hook();
|
|
IkiWiki::rcs_update();
|
|
}
|
|
IkiWiki::refresh();
|
|
IkiWiki::saveindex();
|
|
}
|
|
|
|
sub attachment_location ($) {
|
|
my $page=shift;
|
|
|
|
# Put the attachment in a subdir of the page it's attached
|
|
# to, unless that page is the "index" page.
|
|
return "" if $page eq 'index';
|
|
$page.="/" if length $page;
|
|
|
|
return $page;
|
|
}
|
|
|
|
sub attachment_list ($) {
|
|
my $page=shift;
|
|
my $loc=attachment_location($page);
|
|
|
|
my $std=sub {
|
|
my $file=shift;
|
|
my $mtime=shift;
|
|
my $date=shift;
|
|
my $size=shift;
|
|
|
|
name => $file,
|
|
size => IkiWiki::Plugin::filecheck::humansize($size),
|
|
mtime => $date,
|
|
mtime_raw => $mtime,
|
|
};
|
|
|
|
# attachments already in the wiki
|
|
my %attachments;
|
|
foreach my $f (values %pagesources) {
|
|
if (! defined pagetype($f) &&
|
|
$f=~m/^\Q$loc\E[^\/]+$/) {
|
|
$attachments{$f}={
|
|
$std->($f, $IkiWiki::pagemtime{$f}, displaytime($IkiWiki::pagemtime{$f}), (stat($f))[7]),
|
|
link => htmllink($page, $page, $f, noimageinline => 1),
|
|
};
|
|
}
|
|
}
|
|
|
|
# attachments in holding directory
|
|
my $dir=attachment_holding_location($page);
|
|
my $heldmsg=gettext("this attachment is not yet saved");
|
|
foreach my $file (glob("$dir/*")) {
|
|
$file=Encode::decode_utf8($file);
|
|
next unless -f $file;
|
|
my $base=IkiWiki::basename($file);
|
|
my $f=$loc.$base;
|
|
$attachments{$f}={
|
|
$std->($f, (stat($file))[9]*2, stored_msg(), (stat(_))[7]),
|
|
link => $base,
|
|
}
|
|
}
|
|
|
|
# Sort newer attachments to the end of the list.
|
|
return sort { $a->{mtime_raw} <=> $b->{mtime_raw} || $a->{link} cmp $b->{link} }
|
|
values %attachments;
|
|
}
|
|
|
|
sub stored_msg {
|
|
gettext("just uploaded");
|
|
}
|
|
|
|
sub json_response ($$$$) {
|
|
my $q=shift;
|
|
my $form=shift;
|
|
my $filename=shift;
|
|
my $stored_msg=shift;
|
|
|
|
if (! defined $form->submitted ||
|
|
$form->submitted ne "Upload Attachment") {
|
|
eval q{use JSON};
|
|
error $@ if $@;
|
|
print "Content-type: text/html\n\n";
|
|
my $size=-s $filename;
|
|
print to_json([
|
|
{
|
|
name => IkiWiki::basename($filename),
|
|
size => $size,
|
|
humansize => IkiWiki::Plugin::filecheck::humansize($size),
|
|
stored_msg => $stored_msg,
|
|
|
|
}
|
|
]);
|
|
exit 0;
|
|
}
|
|
}
|
|
|
|
1
|