X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/64370885cca3a37ee1f4a9e96673aca7ba5daae4..e155982f920186173c6fd956a35905a557ef4690:/IkiWiki/Plugin/attachment.pm

diff --git a/IkiWiki/Plugin/attachment.pm b/IkiWiki/Plugin/attachment.pm
index aea70429d..e8135a8fd 100644
--- a/IkiWiki/Plugin/attachment.pm
+++ b/IkiWiki/Plugin/attachment.pm
@@ -132,9 +132,11 @@ sub formbuilder (@) {
 
 	return if ! defined $form->field("do") || ($form->field("do") ne "edit" && $form->field("do") ne "create") ;
 
-	my $filename=Encode::decode_utf8($q->param('attachment'));
+	my $filename=Encode::decode_utf8(scalar $q->param('attachment'));
+	my $handle=$q->upload('attachment');
+
 	if (defined $filename && length $filename) {
-		attachment_store($filename, $form, $q, $params{session});
+		attachment_store($filename, $handle, $form, $q, $params{session});
 	}
 
 	if ($form->submitted eq "Save Page") {
@@ -142,9 +144,9 @@ sub formbuilder (@) {
 	}
 
 	if ($form->submitted eq "Insert Links") {
-		my $page=quotemeta(Encode::decode_utf8($q->param("page")));
+		my $page=quotemeta(Encode::decode_utf8(scalar $q->param("page")));
 		my $add="";
-		foreach my $f ($q->param("attachment_select")) {
+		foreach my $f (@{$q->param_fetch("attachment_select")}) {
 			$f=Encode::decode_utf8($f);
 			$f=~s/^$page\///;
 			if (IkiWiki::isinlinableimage($f) &&
@@ -190,13 +192,20 @@ sub is_held_attachment {
 # 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;
-	
-	# 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);
+
+	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'}) {
@@ -205,9 +214,9 @@ sub attachment_store {
 				last if defined $tempfile && length $tempfile;
 			}
 		}
-		if (! defined $tempfile || ! length $tempfile) {
-			error("CGI::tmpFileName failed to return the uploaded file name");
-		}
+	}
+	if (! defined $tempfile || ! length $tempfile) {
+		error("CGI::tmpFileName failed to return the uploaded file name");
 	}
 
 	$filename=IkiWiki::basename($filename);
@@ -229,8 +238,10 @@ sub attachment_store {
 		check_canattach($session, $final_filename, $tempfile);
 	};
 	if ($@) {
-		json_response($q, $form, $dest."/".$filename, $@);
-		error $@;
+		# save error in case called functions clobber $@
+		my $error = $@;
+		json_response($q, $form, $dest."/".$filename, $error);
+		error $error;
 	}
 
 	# Move the attachment into holding directory.
@@ -274,15 +285,15 @@ sub attachments_save {
 	foreach my $filename (glob("$dir/*")) {
 		$filename=Encode::decode_utf8($filename);
 		next unless -f $filename;
-		my $destdir=$config{srcdir}."/".
-			linkpage(IkiWiki::possibly_foolish_untaint(
-				attachment_location($form->field('page'))));
+		my $destdir=linkpage(IkiWiki::possibly_foolish_untaint(
+			attachment_location($form->field('page'))));
+		my $absdestdir=$config{srcdir}."/".$destdir;
 		my $destfile=IkiWiki::basename($filename);
-		my $dest=$destdir.$destfile;
+		my $dest=$absdestdir.$destfile;
 		unlink($dest);
-		IkiWiki::prep_writefile($destfile, $destdir);
+		IkiWiki::prep_writefile($destfile, $absdestdir);
 		rename($filename, $dest);
-		push @attachments, $dest;
+		push @attachments, $destdir.$destfile;
 	}
 	return unless @attachments;
 	require IkiWiki::Render;