use warnings;
use strict;
-use IkiWiki 2.00;
-use CGI;
-$CGI::DISABLE_UPLOADS=0;
-
-# TODO move to admin prefs
-$config{valid_attachments}="(*.mp3 and maxsize(15mb)) or (* and maxsize(.50kb))";
+use IkiWiki 3.00;
-sub import { #{{{
+sub import {
+ add_underlay("javascript");
+ 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);
-} # }}}
+ 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));
+ }
-sub formbuilder_setup { #{{{
- my %params=@_;
- my $form=$params{form};
+ # 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 => $ENV{REMOTE_ADDR},
+ );
+ }
- return if $form->field("do") ne "edit";
+ if (! $allowed) {
+ error(gettext("prohibited by allowed_attachments")." ($allowed)");
+ }
+ else {
+ return 1;
+ }
+}
- $form->field(name => 'attachment', type => 'file');
-} #}}}
+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 the toggle javascript; the attachments interface uses
+ # it to toggle visibility.
+ require IkiWiki::Plugin::toggle;
+ $form->tmpl_param("javascript" => IkiWiki::Plugin::toggle::include_javascript($params{page}, 1));
+ # 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");
+ }
+ }
+}
-sub formbuilder (@) { #{{{
+sub formbuilder (@) {
my %params=@_;
my $form=$params{form};
+ my $q=$params{cgi};
- return if $form->field("do") ne "edit";
+ return if ! defined $form->field("do") || ($form->field("do") ne "edit" && $form->field("do") ne "create") ;
- if ($form->submitted eq "Upload") {
- my $q=$params{cgi};
- my $filename=IkiWiki::basename($q->param('attachment'));
- if (! defined $filename || ! length $filename) {
- # no file, so do nothing
- return;
- }
+ my $filename=Encode::decode_utf8($q->param('attachment'));
+ if (defined $filename && length $filename &&
+ ($form->submitted eq "Upload Attachment" || $form->submitted eq "Save Page")) {
+ my $session=$params{session};
# This is an (apparently undocumented) way to get the name
# of the temp file that CGI writes the upload to.
my $tempfile=$q->tmpFileName($filename);
-
- # To untaint the filename, escape any hazardous characters,
- # and make sure it isn't pruned.
- $filename=IkiWiki::possibly_foolish_untaint(IkiWiki::titlepage($filename));
- if (IkiWiki::file_pruned($filename, $config{srcdir})) {
- error(gettext("bad attachment 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");
+ }
}
- # Check that the attachment matches the configured
- # pagespec.
- my $result=pagespec_match($filename, $config{valid_attachments},
- tempfile => $tempfile);
- if (! $result) {
- error(gettext("attachment rejected")." ($result)");
+ $filename=linkpage(IkiWiki::possibly_foolish_untaint(
+ attachment_location($form->field('page')).
+ IkiWiki::basename($filename)));
+ if (IkiWiki::file_pruned($filename)) {
+ error(gettext("bad attachment filename"));
}
- my $fh=$q->upload('attachment');
- if (! defined $fh || ! ref $fh) {
- error("failed to get filehandle");
+ # Check that the user is allowed to edit a page with the
+ # name of the attachment.
+ IkiWiki::check_canedit($filename, $q, $session, 1);
+ # And that the attachment itself is acceptable.
+ check_canattach($session, $filename, $tempfile);
+
+ # Needed for fast_file_copy and for rendering below.
+ require IkiWiki::Render;
+
+ # Move the attachment into place.
+ # Try to use a fast rename; fall back to copying.
+ IkiWiki::prep_writefile($filename, $config{srcdir});
+ unlink($config{srcdir}."/".$filename);
+ if (rename($tempfile, $config{srcdir}."/".$filename)) {
+ # The temp file has tight permissions; loosen up.
+ chmod(0666 & ~umask, $config{srcdir}."/".$filename);
}
- binmode($fh);
- while (<$fh>) {
- print STDERR $_."\n";
+ 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);
+ writefile($filename, $config{srcdir}, undef, 1, sub {
+ IkiWiki::fast_file_copy($tempfile, $filename, $fh, @_);
+ });
}
- }
-} # }}}
-
-package IkiWiki::PageSpec;
-
-sub parsesize { #{{{
- my $size=shift;
- no warnings;
- my $base=$size+0; # force to number
- use warnings;
- my $exponent=1;
- if ($size=~/kb?$/i) {
- $exponent=10;
- }
- elsif ($size=~/mb?$/i) {
- $exponent=20;
- }
- elsif ($size=~/gb?$/i) {
- $exponent=30;
- }
- elsif ($size=~/tb?$/i) {
- $exponent=40;
- }
- return $base * 2**$exponent;
-} #}}}
-
-sub match_maxsize ($$;@) { #{{{
- shift;
- my $maxsize=eval{parsesize(shift)};
- if ($@) {
- return IkiWiki::FailReason->new("unable to parse maxsize (or number too large)");
- }
-
- my %params=@_;
- if (! exists $params{tempfile}) {
- return IkiWiki::FailReason->new("no tempfile specified");
- }
- if (-s $params{tempfile} > $maxsize) {
- return IkiWiki::FailReason->new("attachment too large");
- }
- else {
- return IkiWiki::SuccessReason->new("attachment size ok");
+ # Check the attachment in and trigger a wiki refresh.
+ if ($config{rcs}) {
+ IkiWiki::rcs_add($filename);
+ IkiWiki::disable_commit_hook();
+ IkiWiki::rcs_commit($filename, gettext("attachment upload"),
+ IkiWiki::rcs_prepedit($filename),
+ $session->param("name"), $ENV{REMOTE_ADDR});
+ IkiWiki::enable_commit_hook();
+ IkiWiki::rcs_update();
+ }
+ IkiWiki::refresh();
+ IkiWiki::saveindex();
}
-} #}}}
-
-sub match_minsize ($$;@) { #{{{
- shift;
- my $minsize=eval{parsesize(shift)};
- if ($@) {
- return IkiWiki::FailReason->new("unable to parse minsize (or number too large)");
+ elsif ($form->submitted eq "Insert Links") {
+ my $page=quotemeta(Encode::decode_utf8($q->param("page")));
+ my $add="";
+ foreach my $f ($q->param("attachment_select")) {
+ $f=Encode::decode_utf8($f);
+ $f=~s/^$page\///;
+ $add.="[[$f]]\n";
+ }
+ $form->field(name => 'editcontent',
+ value => $form->field('editcontent')."\n\n".$add,
+ force => 1) if length $add;
}
+
+ # Generate the attachment list only after having added any new
+ # attachments.
+ $form->tmpl_param("attachment_list" => [attachment_list($form->field('page'))]);
+}
- my %params=@_;
- if (! exists $params{tempfile}) {
- return IkiWiki::FailReason->new("no tempfile specified");
+sub attachment_location ($) {
+ my $page=shift;
+
+ # Put the attachment in a subdir of the page it's attached
+ # to, unless that page is an "index" page.
+ $page=~s/(^|\/)index//;
+ $page.="/" if length $page;
+
+ return $page;
+}
+
+sub attachment_list ($) {
+ my $page=shift;
+ my $loc=attachment_location($page);
+
+ my @ret;
+ foreach my $f (values %pagesources) {
+ if (! defined pagetype($f) &&
+ $f=~m/^\Q$loc\E[^\/]+$/ &&
+ -e "$config{srcdir}/$f") {
+ push @ret, {
+ "field-select" => '<input type="checkbox" name="attachment_select" value="'.$f.'" />',
+ link => htmllink($page, $page, $f, noimageinline => 1),
+ size => IkiWiki::Plugin::filecheck::humansize((stat(_))[7]),
+ mtime => displaytime($IkiWiki::pagemtime{$f}),
+ mtime_raw => $IkiWiki::pagemtime{$f},
+ };
+ }
}
- if (-s $params{tempfile} < $minsize) {
- return IkiWiki::FailReason->new("attachment too small");
- }
- else {
- return IkiWiki::SuccessReason->new("attachment size ok");
- }
-} #}}}
+ # Sort newer attachments to the top of the list, so a newly-added
+ # attachment appears just before the form used to add it.
+ return sort { $b->{mtime_raw} <=> $a->{mtime_raw} || $a->{link} cmp $b->{link} } @ret;
+}
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