use IO::Scalar;
use IO::File;
-use Debbugs::Config qw(:globals :text);
+use Debbugs::Config qw(:globals :text :config);
# for read_log_records
use Debbugs::Log qw(:read);
-use Debbugs::CGI qw(:url :html :util);
+use Debbugs::CGI qw(:url :html :util :cache);
use Debbugs::CGI::Bugreport qw(:all);
use Debbugs::Common qw(buglog getmaintainers make_list bug_status);
use Debbugs::Packages qw(getpkgsrc);
my $buglog = buglog($ref);
my $bug_status = bug_status($ref);
if (not defined $buglog or not defined $bug_status) {
- print $q->header(-status => "404 No such bug",
- -type => "text/html",
- -charset => 'utf-8',
- );
- print fill_in_template(template=>'cgi/no_such_bug',
- variables => {modify_time => strftime('%a, %e %b %Y %T UTC', gmtime),
- bug_num => $ref,
- },
- );
- exit 0;
+ no_such_bug($q,$ref);
}
-# the log should almost always be newer, but just in case
-my $log_mtime = +(stat $buglog)[9] || time;
-my $status_mtime = +(stat $bug_status)[9] || time;
-my $mtime = strftime '%a, %d %b %Y %T GMT', gmtime(max($status_mtime,$log_mtime));
+sub no_such_bug {
+ my ($q,$ref) = @_;
+ print $q->header(-status => 404,
+ -content_type => "text/html",
+ -charset => 'utf-8',
+ -cache_control => 'public, max-age=600',
+ );
+ print fill_in_template(template=>'cgi/no_such_bug',
+ variables => {modify_time => strftime('%a, %e %b %Y %T UTC', gmtime),
+ bug_num => $ref,
+ },
+ );
+ exit 0;
+}
+
+## calculate etag for this bugreport.cgi call
+my $etag;
+## identify the files that we need to look at; if someone just wants the mbox,
+## they don't need to see anything but the buglog; otherwise, track what is
+## necessary for the usertags and things to calculate status.
+
+my @dependent_files = ($buglog);
+my $need_status = 0;
+if (not (($mbox and not $mbox_status_message) or
+ (defined $att and defined $msg))) {
+ $need_status = 1;
+ push @dependent_files,
+ $bug_status,
+ defined $config{version_index} ? $config{version_index}:(),
+ defined $config{binary_source_map} ? $config{binary_source_map}:();
+}
+
+## Identify the users required
+for my $user (map {split /[\s*,\s*]+/} make_list($param{users}||[])) {
+ next unless length($user);
+ push @dependent_files,Debbugs::User::usertag_flie_from_email($user);
+}
+if (defined $param{usertag}) {
+ for my $usertag (make_list($param{usertag})) {
+ my ($user, $tag) = split /:/, $usertag, 2;
+ push @dependent_files,Debbugs::User::usertag_flie_from_email($user);
+ }
+}
+$etag =
+ etag_does_not_match(cgi => $q,
+ additional_data => [grep {defined $_ ? $_ :()}
+ values %param
+ ],
+ files => [@dependent_files,
+ ],
+ );
+if (not $etag) {
+ print $q->header(-status => 304);
+ print "304: Not modified\n";
+ exit 0;
+}
+## if they're just asking for the head, stop here.
if ($q->request_method() eq 'HEAD' and not defined($att) and not $mbox) {
- print $q->header(-type => "text/html",
- -charset => 'utf-8',
- (length $mtime)?(-last_modified => $mtime):(),
- );
+ print $q->header(-status => 200,
+ -cache_control => 'public, max-age=600',
+ -etag => $etag,
+ -content_type => 'text/html',
+ );
exit 0;
}
}
-my %status =
- %{split_status_fields(get_bug_status(bug=>$ref,
- bugusertags => \%bugusertags,
- ))};
+my %status;
+if ($need_status) {
+ %status = %{split_status_fields(get_bug_status(bug=>$ref,
+ bugusertags => \%bugusertags,
+ ))}
+}
my @records;
eval{
my $date = strftime "%a %b %d %T %Y", localtime;
if (@records > 1) {
print $q->header(-type => "text/plain",
+ -cache_control => 'public, max-age=600',
+ -etag => $etag,
content_disposition => qq(attachment; filename="bug_${ref}.mbox"),
- (length $mtime)?(-last_modified => $mtime):(),
);
}
else {
$msg_num++;
print $q->header(-type => "message/rfc822",
+ -cache_control => 'public, max-age=86400',
+ -etag => $etag,
content_disposition => qq(attachment; filename="bug_${ref}_message_${msg_num}.mbox"),
- (length $mtime)?(-last_modified => $mtime):(),
);
}
if ($mbox_status_message and @records > 1) {
else {
if (defined $att and defined $msg and @records) {
binmode(STDOUT,":raw");
- $msg_num++;
+ $msg_num++;
+ ## allow this to be cached for a week
+ print "Status: 200 OK\n";
+ print "Cache-Control: public, max-age=604800\n";
+ print "Etag: $etag\n";
print handle_email_message($records[0],
ref => $ref,
msg_num => $msg_num,
my $dtime = strftime "%a, %e %b %Y %T UTC", gmtime;
unless (%status) {
- print $q->header(-type => "text/html",
- -charset => 'utf-8',
- (length $mtime)?(-last_modified => $mtime):(),
- );
- print fill_in_template(template=>'cgi/no_such_bug',
- variables => {modify_time => $dtime,
- bug_num => $ref,
- },
- );
- exit 0;
+ no_such_bug($q,$ref);
}
#$|=1;
print $q->header(-type => "text/html",
-charset => 'utf-8',
- (length $mtime)?(-last_modified => $mtime):(),
+ -cache_control => 'public, max-age=300',
+ -etag => $etag,
);
print fill_in_template(template => 'cgi/bugreport',