X-Git-Url: https://git.deb.at/?p=deb%2Fpackages.git;a=blobdiff_plain;f=lib%2FPackages%2FDispatcher.pm;h=08c6f96a1c7cee40a1985e2a88eeb3006908f27f;hp=3113683c010cf210de0f24c88162a7189df4b2e8;hb=0f318fa9ad9d473b543a48f46a7714a11283d300;hpb=95a88f632e71b7cd3037856ac164c691d593414c

diff --git a/lib/Packages/Dispatcher.pm b/lib/Packages/Dispatcher.pm
index 3113683..08c6f96 100755
--- a/lib/Packages/Dispatcher.pm
+++ b/lib/Packages/Dispatcher.pm
@@ -1,7 +1,7 @@
 #!/usr/bin/perl -T
 # Packages::Dispatcher -- CGI interface for packages.debian.org
 #
-# Copyright (C) 2004-2007 Frank Lichtenheld
+# Copyright (C) 2004-2008 Frank Lichtenheld
 #
 #    This program is free software; you can redistribute it and/or modify
 #    it under the terms of the GNU General Public License as published by
@@ -30,6 +30,7 @@ use DB_File;
 use URI::Escape;
 use Benchmark ':hireswallclock';
 use I18N::AcceptLanguage;
+use Date::Parse;
 
 use Deb::Versions;
 use Packages::Config qw( $DBDIR $ROOT $TEMPLATEDIR $CACHEDIR
@@ -63,12 +64,12 @@ sub do_dispatch {
     delete $ENV{'LC_ALL'};
     delete $ENV{'LC_MESSAGES'};
 
-    my %SUITES_ALIAS = ( oldstable => 'sarge',
-			 stable => 'etch',
-			 testing => 'lenny',
+    my %SUITES_ALIAS = ( oldstable => 'etch',
+			 stable => 'lenny',
+			 testing => 'squeeze',
 			 unstable => 'sid',
-			 '3.1' => 'sarge',
-			 '4.0' => 'etch' );
+			 '4.0' => 'etch',
+			 '5.0' => 'lenny' );
 
     # Read in all the variables set by the form
     my $input;
@@ -91,15 +92,32 @@ sub do_dispatch {
     my $homedir = dirname($ENV{SCRIPT_FILENAME}).'/../';
     &Packages::Config::init( $homedir );
     &Packages::DB::init();
+    my $last_modified = $Packages::DB::db_read_time;
+    my $now = time;
+    my $expires = $last_modified + (12*3600);
+    $expires = $now + 3600 if $expires < $now;
+    # allow some fudge, since the db mod time is not the end of
+    # the cron job
+    $last_modified = $now if $now - $last_modified < 3600;
+
+    if ($input->http('If-Modified-Since') and
+	(my $modtime = str2time($input->http('If-Modified-Since'), 'UTC'))) {
+	if ($modtime <= $last_modified) {
+	    print $input->header(-status => 304);
+	    exit;
+	}
+    }
 
-    my $acc = I18N::AcceptLanguage->new();
-    my %all_langs = map { $_ => 1 } (@LANGUAGES, @DDTP_LANGUAGES);
-    my @all_langs = sort keys %all_langs;
-    my $http_lang = $acc->accepts( $input->http("Accept-Language"),
-				   \@all_langs ) || 'en';
-    debug( "LANGUAGES=@all_langs header=".
+    my %PO_LANGUAGES = map { $_ => 1 } @LANGUAGES;
+    my %DDTP_LANGUAGES = map { $_ => 1 } @DDTP_LANGUAGES;
+    my $acc = I18N::AcceptLanguage->new(defaultLanguage => 'en');
+    my $ddtp_lang = $acc->accepts( $input->http("Accept-Language"),
+				   \@DDTP_LANGUAGES );
+    my $po_lang = $acc->accepts( $input->http("Accept-Language"),
+				 \@LANGUAGES );
+    debug( "LANGS=@LANGUAGES DDTP_LANGS=@DDTP_LANGUAGES header=".
 	   ($input->http("Accept-Language")||'').
-	   " http_lang=$http_lang", 1 ) if DEBUG;
+	   " po_lang=$po_lang ddtp_lang=$ddtp_lang", 1 ) if DEBUG;
 
     # backwards compatibility stuff
     debug( "SCRIPT_URL=$ENV{SCRIPT_URL} SCRIPT_URI=$ENV{SCRIPT_URI}" ) if DEBUG;
@@ -141,7 +159,7 @@ sub do_dispatch {
 
 	push @components, 'index' if @components && $path =~ m,/$,;
 
-	my %LANGUAGES = map { $_ => 1 } @all_langs;
+	my %LANGUAGES = map { $_ => 1 } (@LANGUAGES, @DDTP_LANGUAGES);
 	if (@components > 1 and $LANGUAGES{$components[0]}
 	    and !$input->param('lang')) {
 	    $input->param( 'lang', shift(@components) );
@@ -159,7 +177,11 @@ sub do_dispatch {
 	} elsif (@components == 0) {
 	    fatal_error( "We're supposed to display the homepage here, instead of getting dispatch.pl" );
 	} elsif (@components == 1) {
-	    $what_to_do = 'search';
+	    if ($components[0] eq 'index') {
+		$what_to_do = 'homepage';
+	    } else {
+		$what_to_do = 'search';
+	    }
 	} else {
 
 	    for ($components[-1]) {
@@ -247,7 +269,7 @@ sub do_dispatch {
 					replace => { all => \@ARCHIVES,
 						     default => \@ARCHIVES} },
 		       exact => { default => 0, match => '^(\w+)$',  },
-		       lang => { default => $http_lang, match => '^([\w-]+)$',  },
+		       lang => { default => undef, match => '^([\w-]+)$',  },
 		       source => { default => 0, match => '^(\d+)$',  },
 		       debug => { default => 0, match => '^(\d+)$',  },
 		       searchon => { default => 'names', match => '^(\w+)$', },
@@ -272,10 +294,16 @@ sub do_dispatch {
     my %params = Packages::CGI::parse_params( $input, \%params_def, \%opts );
     Packages::CGI::init_url( $input, \%params, \%opts );
 
+    if (defined($opts{lang})) {
+	$opts{po_lang} = $PO_LANGUAGES{$opts{lang}} ? $opts{lang} : 'en';
+	$opts{ddtp_lang} = $DDTP_LANGUAGES{$opts{lang}} ? $opts{lang} : 'en';
+    } else {
+	$opts{po_lang} = $po_lang;
+	$opts{ddtp_lang} = $ddtp_lang;
+    }
     my $charset = "UTF-8";
-    my $cat = Packages::I18N::Locale->get_handle( $opts{lang} )
-	|| Packages::I18N::Locale->get_handle( 'en' );
-    die "get_handle failed for $opts{lang}" unless $cat;
+    my $cat = Packages::I18N::Locale->get_handle( $opts{po_lang}, 'en' )
+	or die "get_handle failed for $opts{po_lang}";
     $opts{cat} = $cat;
 
     $opts{h_suites} = { map { $_ => 1 } @suites };
@@ -300,13 +328,14 @@ sub do_dispatch {
     debug( "Parameter evaluation took ".timestr($petd) ) if DEBUG;
 
     my $template = new Packages::Template( $TEMPLATEDIR, $opts{format},
-					   { lang => $opts{lang}, charset => $charset,
-					     cat => $cat,
+					   { po_lang => $opts{po_lang}, ddtp_lang => $opts{ddtp_lang},
+					     charset => $charset, cat => $cat,
 					     debug => ( DEBUG ? $opts{debug} : 0 ) },
 					   ( $CACHEDIR ? { COMPILE_DIR => $CACHEDIR } : {} ) );
 
     #FIXME: ugly hack
     unless (($what_to_do eq 'allpackages' and $opts{format} =~ /^(html|txt\.gz)/)
+	    || ($what_to_do eq 'index' and $opts{format} eq 'html')
 	    || -e "$TEMPLATEDIR/$opts{format}/${what_to_do}.tmpl") {
 	fatal_error( $cat->g("requested format not available for this document"),
 		     "406 requested format not available");
@@ -322,7 +351,14 @@ sub do_dispatch {
     $page_content{params} = \%params;
 
     unless (@Packages::CGI::fatal_errors) {
-	print $input->header(-charset => $charset, -type => get_mime($opts{format}) );
+	print $input->header(-charset => $charset,
+			     -type => get_mime($opts{format}),
+			     -vary => 'negotiate,accept-language',
+			     -last_modified => strftime("%a, %d %b %Y %T %z",
+							localtime($last_modified)),
+			     -expires => strftime("%a, %d %b %Y %T %z",
+						  localtime($expires)),
+			     );
 	#use Data::Dumper;
 	#print '<pre>'.Dumper(\%ENV, \%page_content, get_all_messages()).'</pre>';
 	print $template->page( $what_to_do, { %page_content, %{ get_all_messages() } } );