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Merge "Move 'builtin-*' into a 'builtin/' subdirectory"
[git.git] / gitweb / gitweb.perl
diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index e2522cc64f50fbf2a740dd7656373a99f9769119..3c879b88fee39abc8a40cc1ff8e9e6f2652a1e5c 100755 (executable)
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -1143,6 +1143,7 @@ sub validate_refname {
 # in utf-8 thanks to "binmode STDOUT, ':utf8'" at beginning
 sub to_utf8 {
        my $str = shift;
+       return undef unless defined $str;
        if (utf8::valid($str)) {
                utf8::decode($str);
                return $str;
@@ -1155,6 +1156,7 @@ sub to_utf8 {
 # correct, but quoted slashes look too horrible in bookmarks
 sub esc_param {
        my $str = shift;
+       return undef unless defined $str;
        $str =~ s/([^A-Za-z0-9\-_.~()\/:@ ]+)/CGI::escape($1)/eg;
        $str =~ s/ /\+/g;
        return $str;
@@ -1163,6 +1165,7 @@ sub esc_param {
 # quote unsafe chars in whole URL, so some charactrs cannot be quoted
 sub esc_url {
        my $str = shift;
+       return undef unless defined $str;
        $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
        $str =~ s/\+/%2B/g;
        $str =~ s/ /\+/g;
@@ -1174,6 +1177,8 @@ sub esc_html {
        my $str = shift;
        my %opts = @_;
 
+       return undef unless defined $str;
+
        $str = to_utf8($str);
        $str = $cgi->escapeHTML($str);
        if ($opts{'-nbsp'}) {
@@ -1188,6 +1193,8 @@ sub esc_path {
        my $str = shift;
        my %opts = @_;
 
+       return undef unless defined $str;
+
        $str = to_utf8($str);
        $str = $cgi->escapeHTML($str);
        if ($opts{'-nbsp'}) {
@@ -1330,7 +1337,6 @@ sub chop_str {
                $str =~ m/^(.*?)($begre)$/;
                my ($lead, $body) = ($1, $2);
                if (length($lead) > 4) {
-                       $body =~ s/^[^;]*;// if ($lead =~ m/&[^;]*$/);
                        $lead = " ...";
                }
                return "$lead$body";
@@ -1341,8 +1347,6 @@ sub chop_str {
                $str =~ m/^(.*?)($begre)$/;
                my ($mid, $right) = ($1, $2);
                if (length($mid) > 5) {
-                       $left  =~ s/&[^;]*$//;
-                       $right =~ s/^[^;]*;// if ($mid =~ m/&[^;]*$/);
                        $mid = " ... ";
                }
                return "$left$mid$right";
@@ -1352,7 +1356,6 @@ sub chop_str {
                my $body = $1;
                my $tail = $2;
                if (length($tail) > 4) {
-                       $body =~ s/&[^;]*$//;
                        $tail = "... ";
                }
                return "$body$tail";
@@ -3254,7 +3257,7 @@ EOF
        print "</head>\n" .
              "<body>\n";
 
-       if (-f $site_header) {
+       if (defined $site_header && -f $site_header) {
                insert_file($site_header);
        }
 
@@ -3355,7 +3358,7 @@ sub git_footer_html {
                print "</div>\n"; # class="page_footer"
        }
 
-       if (-f $site_footer) {
+       if (defined $site_footer && -f $site_footer) {
                insert_file($site_footer);
        }
 
@@ -3376,7 +3379,7 @@ sub git_footer_html {
              "</html>";
 }
 
-# die_error(<http_status_code>, <error_message>)
+# die_error(<http_status_code>, <error_message>[, <detailed_html_description>])
 # Example: die_error(404, 'Hash not found')
 # By convention, use the following status codes (as defined in RFC 2616):
 # 400: Invalid or missing CGI parameters, or
@@ -3391,7 +3394,8 @@ sub git_footer_html {
 #      or down for maintenance).  Generally, this is a temporary state.
 sub die_error {
        my $status = shift || 500;
-       my $error = shift || "Internal server error";
+       my $error = esc_html(shift) || "Internal Server Error";
+       my $extra = shift;
 
        my %http_responses = (
                400 => '400 Bad Request',
@@ -3406,8 +3410,13 @@ sub die_error {
 <br /><br />
 $status - $error
 <br />
-</div>
 EOF
+       if (defined $extra) {
+               print "<hr />\n" .
+                     "$extra\n";
+       }
+       print "</div>\n";
+
        git_footer_html();
        exit;
 }
@@ -3509,14 +3518,21 @@ sub git_print_header_div {
 }
 
 sub print_local_time {
+       print format_local_time(@_);
+}
+
+sub format_local_time {
+       my $localtime = '';
        my %date = @_;
        if ($date{'hour_local'} < 6) {
-               printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
+               $localtime .= sprintf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
                        $date{'hour_local'}, $date{'minute_local'}, $date{'tz_local'});
        } else {
-               printf(" (%02d:%02d %s)",
+               $localtime .= sprintf(" (%02d:%02d %s)",
                        $date{'hour_local'}, $date{'minute_local'}, $date{'tz_local'});
        }
+
+       return $localtime;
 }
 
 # Outputs the author name and date in long form
@@ -4340,17 +4356,24 @@ sub fill_project_list_info {
 # print 'sort by' <th> element, generating 'sort by $name' replay link
 # if that order is not selected
 sub print_sort_th {
+       print format_sort_th(@_);
+}
+
+sub format_sort_th {
        my ($name, $order, $header) = @_;
+       my $sort_th = "";
        $header ||= ucfirst($name);
 
        if ($order eq $name) {
-               print "<th>$header</th>\n";
+               $sort_th .= "<th>$header</th>\n";
        } else {
-               print "<th>" .
-                     $cgi->a({-href => href(-replay=>1, order=>$name),
-                              -class => "header"}, $header) .
-                     "</th>\n";
+               $sort_th .= "<th>" .
+                           $cgi->a({-href => href(-replay=>1, order=>$name),
+                                    -class => "header"}, $header) .
+                           "</th>\n";
        }
+
+       return $sort_th;
 }
 
 sub git_project_list_body {
@@ -4781,7 +4804,7 @@ sub git_project_list {
        }
 
        git_header_html();
-       if (-f $home_text) {
+       if (defined $home_text && -f $home_text) {
                print "<div class=\"index_include\">\n";
                insert_file($home_text);
                print "</div>\n";
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