gitweb: refactor If-Modified-Since handling

[Gitweb] / gitweb.perl

diff --git a/gitweb.perl b/gitweb.perl
index 66d8628b26f25590b8035263fa11581d7d05c895cafd13559aa2eb15b533a70a..349a7d22f4a9ec4bd421111ae501f7f351dc632160d4ea03bbc51db2afe28452 100755 (executable)
--- a/gitweb.perl
+++ b/gitweb.perl
@@ -3074,15 +3074,15 @@ sub filter_forks_from_projects_list {
 sub search_projects_list {
        my ($projlist, %opts) = @_;
        my $tagfilter  = $opts{'tagfilter'};
-       my $searchtext = $opts{'searchtext'};
+       my $search_re = $opts{'search_regexp'};
 
        return @$projlist
-               unless ($tagfilter || $searchtext);
+               unless ($tagfilter || $search_re);
 
        # searching projects require filling to be run before it;
        fill_project_list_info($projlist,
                               $tagfilter  ? 'ctags' : (),
-                              $searchtext ? ('path', 'descr') : ());
+                              $search_re ? ('path', 'descr') : ());
        my @projects;
  PROJECT:
        foreach my $pr (@$projlist) {
@@ -3093,10 +3093,10 @@ sub search_projects_list {
                                grep { lc($_) eq lc($tagfilter) } keys %{$pr->{'ctags'}};
                }
 
-               if ($searchtext) {
+               if ($search_re) {
                        next unless
-                               $pr->{'path'} =~ /$searchtext/ ||
-                               $pr->{'descr_long'} =~ /$searchtext/;
+                               $pr->{'path'} =~ /$search_re/ ||
+                               $pr->{'descr_long'} =~ /$search_re/;
                }
 
                push @projects, $pr;
@@ -5485,16 +5485,16 @@ sub git_project_list_body {
        my $show_ctags  = gitweb_check_feature('ctags');
        my $tagfilter = $show_ctags ? $input_params{'ctag'} : undef;
        $check_forks = undef
-               if ($tagfilter || $searchtext);
+               if ($tagfilter || $search_regexp);
 
        # filtering out forks before filling info allows to do less work
        @projects = filter_forks_from_projects_list(\@projects)
                if ($check_forks);
        # search_projects_list pre-fills required info
        @projects = search_projects_list(\@projects,
-                                        'searchtext' => $searchtext,
+                                        'search_regexp' => $search_regexp,
                                         'tagfilter'  => $tagfilter)
-               if ($tagfilter || $searchtext);
+               if ($tagfilter || $search_regexp);
        # fill the rest
        @projects = fill_project_list_info(\@projects);
 
@@ -7004,6 +7004,28 @@ sub snapshot_name {
        return wantarray ? ($name, $name) : $name;
 }
 
+sub exit_if_unmodified_since {
+       my ($latest_epoch) = @_;
+       our $cgi;
+
+       my $if_modified = $cgi->http('IF_MODIFIED_SINCE');
+       if (defined $if_modified) {
+               my $since;
+               if (eval { require HTTP::Date; 1; }) {
+                       $since = HTTP::Date::str2time($if_modified);
+               } elsif (eval { require Time::ParseDate; 1; }) {
+                       $since = Time::ParseDate::parsedate($if_modified, GMT => 1);
+               }
+               if (defined $since && $latest_epoch <= $since) {
+                       my %latest_date = parse_date($latest_epoch);
+                       print $cgi->header(
+                               -last_modified => $latest_date{'rfc2822'},
+                               -status => '304 Not Modified');
+                       goto DONE_GITWEB;
+               }
+       }
+}
+
 sub git_snapshot {
        my $format = $input_params{'snapshot_format'};
        if (!@snapshot_fmts) {
@@ -7821,33 +7843,14 @@ sub git_feed {
        if (defined($commitlist[0])) {
                %latest_commit = %{$commitlist[0]};
                my $latest_epoch = $latest_commit{'committer_epoch'};
-               %latest_date   = parse_date($latest_epoch, $latest_commit{'comitter_tz'});
-               my $if_modified = $cgi->http('IF_MODIFIED_SINCE');
-               if (defined $if_modified) {
-                       my $since;
-                       if (eval { require HTTP::Date; 1; }) {
-                               $since = HTTP::Date::str2time($if_modified);
-                       } elsif (eval { require Time::ParseDate; 1; }) {
-                               $since = Time::ParseDate::parsedate($if_modified, GMT => 1);
-                       }
-                       if (defined $since && $latest_epoch <= $since) {
-                               print $cgi->header(
-                                       -type => $content_type,
-                                       -charset => 'utf-8',
-                                       -last_modified => $latest_date{'rfc2822'},
-                                       -status => '304 Not Modified');
-                               return;
-                       }
-               }
-               print $cgi->header(
-                       -type => $content_type,
-                       -charset => 'utf-8',
-                       -last_modified => $latest_date{'rfc2822'});
-       } else {
-               print $cgi->header(
-                       -type => $content_type,
-                       -charset => 'utf-8');
+               exit_if_unmodified_since($latest_epoch);
+               %latest_date = parse_date($latest_epoch, $latest_commit{'comitter_tz'});
        }
+       print $cgi->header(
+               -type => $content_type,
+               -charset => 'utf-8',
+               %latest_date ? (-last_modified => $latest_date{'rfc2822'}) : (),
+               -status => '200 OK');
 
        # Optimization: skip generating the body if client asks only
        # for Last-Modified date.