X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/96da041907bcd4e74be6b2beef06d265708644ee..3096c8ea69783b1c1cfbf5b9f940d2939d2a33f5:/IkiWiki/Plugin/attachment.pm

diff --git a/IkiWiki/Plugin/attachment.pm b/IkiWiki/Plugin/attachment.pm
index 15c9a8c48..01d0d2478 100644
--- a/IkiWiki/Plugin/attachment.pm
+++ b/IkiWiki/Plugin/attachment.pm
@@ -15,50 +15,34 @@ sub checkconfig () { #{{{
 	$config{cgi_disable_uploads}=0;
 } #}}}
 
-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 $f (values %pagesources) {
-		if (! defined IkiWiki::pagetype($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, $f, noimageinline => 1),
-				size => humansize((stat(_))[7]),
-				mtime => displaytime($IkiWiki::pagemtime{$f}),
-			};
-		}
-	}
-
-	return @ret;
-}
-
 sub formbuilder_setup (@) { #{{{
 	my %params=@_;
 	my $form=$params{form};
+	my $q=$params{cgi};
 
-	if ($form->field("do") eq "edit") {
+	if (defined $form->field("do") && $form->field("do") eq "edit") {
+		# Add attachment field, set type to multipart.
+		$form->enctype(&CGI::MULTIPART);
 		$form->field(name => 'attachment', type => 'file');
-		$form->tmpl_param("attachment_list" => [attachment_list($form->field('page'))]);
-
 		# These buttons are not put in the usual place, so
-		# is not added to the normal formbuilder button list.
+		# 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 javascript from the toggle plugin;
+		# the attachments interface uses it to toggle visibility.
+		require IkiWiki::Plugin::toggle;
+		$form->tmpl_param("javascript" => $IkiWiki::Plugin::toggle::javascript);
+		# Start with the attachments interface toggled invisible,
+		# but if it was used, keep it open.
+		if ($form->submitted ne "Upload Attachment" &&
+		    (! defined $q->param("attachment_select") ||
+		    ! length $q->param("attachment_select"))) {
+			$form->tmpl_param("attachments-class" => "toggleable");
+		}
+		else {
+			$form->tmpl_param("attachments-class" => "toggleable-open");
+		}
 	}
 	elsif ($form->title eq "preferences") {
 		my $session=$params{session};
@@ -66,7 +50,13 @@ sub formbuilder_setup (@) { #{{{
 
 		$form->field(name => "allowed_attachments", size => 50,
 			fieldset => "admin",
-			comment => "(".htmllink("", "", "ikiwiki/PageSpec", noimageinline => 1).")");
+			comment => "(".
+				htmllink("", "", 
+					"ikiwiki/PageSpec/attachment", 
+					noimageinline => 1,
+					linktext => "Enhanced PageSpec",
+				).")"
+		);
 		if (! IkiWiki::is_admin($user_name)) {
 			$form->field(name => "allowed_attachments", type => "hidden");
 		}
@@ -89,21 +79,29 @@ sub formbuilder (@) { #{{{
 	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";
 
-	if ($form->submitted eq "Upload" || $form->submitted eq "Save Page") {
+	my $filename=$q->param('attachment');
+	if (defined $filename && length $filename &&
+            ($form->submitted eq "Upload Attachment" || $form->submitted eq "Save Page")) {
 		my $session=$params{session};
-
-		my $filename=$q->param('attachment');
-		if (! defined $filename || ! length $filename) {
-			# no file, so do nothing
-			return;
-		}
 		
 		# 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);
-		
+		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");
+			}
+		}
+
 		$filename=IkiWiki::titlepage(
 			IkiWiki::possibly_foolish_untaint(
 				attachment_location($form->field('page')).
@@ -124,7 +122,10 @@ sub formbuilder (@) { #{{{
 			    length $allowed_attachments) {
 				$allowed=pagespec_match($filename,
 					$allowed_attachments,
-					file => $tempfile);
+					file => $tempfile,
+					user => $session->param("name"),
+					ip => $ENV{REMOTE_ADDR},
+				);
 				last if $allowed;
 			}
 		}
@@ -139,10 +140,21 @@ sub formbuilder (@) { #{{{
 		# Try to use a fast rename; fall back to copying.
 		IkiWiki::prep_writefile($filename, $config{srcdir});
 		unlink($config{srcdir}."/".$filename);
-		if (! rename($tempfile, $config{srcdir}."/".$filename)) {
+		if (rename($tempfile, $config{srcdir}."/".$filename)) {
+			# The temp file has tight permissions; loosen up.
+			chmod(0666 & ~umask, $config{srcdir}."/".$filename);
+		}
+		else {
 			my $fh=$q->upload('attachment');
 			if (! defined $fh || ! ref $fh) {
-				error("failed to get filehandle");
+				# 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 {
@@ -170,10 +182,49 @@ sub formbuilder (@) { #{{{
 		}
 		$form->field(name => 'editcontent',
 			value => $form->field('editcontent')."\n\n".$add,
-			force => 1);
+			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'))]);
 } # }}}
 
+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 $f (values %pagesources) {
+		if (! defined IkiWiki::pagetype($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, $f, noimageinline => 1),
+				size => humansize((stat(_))[7]),
+				mtime => displaytime($IkiWiki::pagemtime{$f}),
+				mtime_raw => $IkiWiki::pagemtime{$f},
+			};
+		}
+	}
+
+	# 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 $b->{link} } @ret;
+}
+
 my %units=(		# size in bytes
 	B		=> 1,
 	byte		=> 1,
@@ -215,7 +266,7 @@ sub parsesize ($) { #{{{
 	my $base=$size+0; # force to number
 	use warnings;
 	foreach my $unit (sort keys %units) {
-		if ($size=~/\Q$unit\E/i) {
+		if ($size=~/[0-9\s]\Q$unit\E$/i) {
 			return $base * $units{$unit};
 		}
 	}
@@ -227,7 +278,7 @@ sub humansize ($) { #{{{
 
 	foreach my $unit (reverse sort { $units{$a} <=> $units{$b} || $b cmp $a } keys %units) {
 		if ($size / $units{$unit} > 0.25) {
-			return (int($size / $units{$unit} * 10)/10)."$unit";
+			return (int($size / $units{$unit} * 10)/10).$unit;
 		}
 	}
 	return $size; # near zero, or negative
@@ -248,7 +299,7 @@ sub match_maxsize ($$;@) { #{{{
 	}
 
 	if (-s $params{file} > $maxsize) {
-		return IkiWiki::FailReason->new("file too large");
+		return IkiWiki::FailReason->new("file too large (".(-s $params{file})." >  $maxsize)");
 	}
 	else {
 		return IkiWiki::SuccessReason->new("file not too large");
@@ -275,6 +326,76 @@ sub match_minsize ($$;@) { #{{{
 	}
 } #}}}
 
+sub match_mimetype ($$;@) { #{{{
+	shift;
+	my $wanted=shift;
+
+	my %params=@_;
+	if (! exists $params{file}) {
+		return IkiWiki::FailReason->new("no file specified");
+	}
+
+	# Use ::magic to get the mime type, the idea is to only trust
+	# data obtained by examining the actual file contents.
+	eval q{use File::MimeInfo::Magic};
+	if ($@) {
+		return IkiWiki::FailReason->new("failed to load File::MimeInfo::Magic ($@); cannot check MIME type");
+	}
+	my $mimetype=File::MimeInfo::Magic::magic($params{file});
+	if (! defined $mimetype) {
+		$mimetype="unknown";
+	}
+
+	my $regexp=IkiWiki::glob2re($wanted);
+	if ($mimetype!~/^$regexp$/i) {
+		return IkiWiki::FailReason->new("file MIME type is $mimetype, not $wanted");
+	}
+	else {
+		return IkiWiki::SuccessReason->new("file MIME type is $mimetype");
+	}
+} #}}}
+
+sub match_virusfree ($$;@) { #{{{
+	shift;
+	my $wanted=shift;
+
+	my %params=@_;
+	if (! exists $params{file}) {
+		return IkiWiki::FailReason->new("no file specified");
+	}
+
+	if (! exists $IkiWiki::config{virus_checker} ||
+	    ! length $IkiWiki::config{virus_checker}) {
+		return IkiWiki::FailReason->new("no virus_checker configured");
+	}
+
+	# The file needs to be fed into the virus checker on stdin,
+	# because the file is not world-readable, and if clamdscan is
+	# used, clamd would fail to read it.
+	eval q{use IPC::Open2};
+	error($@) if $@;
+	open (IN, "<", $params{file}) || return IkiWiki::FailReason->new("failed to read file");
+	binmode(IN);
+	my $sigpipe=0;
+	$SIG{PIPE} = sub { $sigpipe=1 };
+	my $pid=open2(\*CHECKER_OUT, "<&IN", $IkiWiki::config{virus_checker}); 
+	my $reason=<CHECKER_OUT>;
+	chomp $reason;
+	1 while (<CHECKER_OUT>);
+	close(CHECKER_OUT);
+	waitpid $pid, 0;
+	$SIG{PIPE}="DEFAULT";
+	if ($sigpipe || $?) {
+		if (! length $reason) {
+			$reason="virus checker $IkiWiki::config{virus_checker}; failed with no output";
+		}
+		return IkiWiki::FailReason->new("file seems to contain a virus ($reason)");
+	}
+	else {
+		return IkiWiki::SuccessReason->new("file seems virusfree ($reason)");
+	}
+} #}}}
+
 sub match_ispage ($$;@) { #{{{
 	my $filename=shift;
 
@@ -286,4 +407,38 @@ sub match_ispage ($$;@) { #{{{
 	}
 } #}}}
 
+sub match_user ($$;@) { #{{{
+	shift;
+	my $user=shift;
+	my %params=@_;
+	
+	if (! exists $params{user}) {
+		return IkiWiki::FailReason->new("no user specified");
+	}
+
+	if (defined $params{user} && lc $params{user} eq lc $user) {
+		return IkiWiki::SuccessReason->new("user is $user");
+	}
+	else {
+		return IkiWiki::FailReason->new("user is $params{user}, not $user");
+	}
+} #}}}
+
+sub match_ip ($$;@) { #{{{
+	shift;
+	my $ip=shift;
+	my %params=@_;
+	
+	if (! exists $params{ip}) {
+		return IkiWiki::FailReason->new("no IP specified");
+	}
+
+	if (defined $params{ip} && lc $params{ip} eq lc $ip) {
+		return IkiWiki::SuccessReason->new("IP is $ip");
+	}
+	else {
+		return IkiWiki::FailReason->new("IP is $params{ip}, not $ip");
+	}
+} #}}}
+
 1