#!/usr/bin/perl -T # Packages::Dispatcher -- CGI interface for packages.debian.org # # Copyright (C) 2004-2007 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 # the Free Software Foundation; either version 1 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. package Packages::Dispatcher; use strict; use warnings; use CGI; use POSIX; use File::Basename; use Template; use DB_File; use URI::Escape; use Benchmark ':hireswallclock'; use I18N::AcceptLanguage; use Deb::Versions; use Packages::Config qw( $DBDIR $ROOT $TEMPLATEDIR $CACHEDIR @SUITES @SECTIONS @ARCHIVES @ARCHITECTURES @PRIORITIES @LANGUAGES @DDTP_LANGUAGES ); use Packages::CGI qw( :DEFAULT error get_all_messages ); use Packages::DB; use Packages::Search qw( :all ); use Packages::Template (); use Packages::Sections; use Packages::I18N::Locale; use Packages::DoSearch; use Packages::DoSearchContents; use Packages::DoShow; use Packages::DoIndex; use Packages::DoNewPkg; use Packages::DoDownload; use Packages::DoFilelist; sub do_dispatch { &Packages::CGI::reset; $Packages::Search::too_many_hits = 0; # clean up env $ENV{PATH} = "/bin:/usr/bin"; delete $ENV{'LANGUAGE'}; delete $ENV{'LANG'}; delete $ENV{'LC_ALL'}; delete $ENV{'LC_MESSAGES'}; my %SUITES_ALIAS = ( oldstable => 'sarge', stable => 'etch', testing => 'lenny', unstable => 'sid', '3.1' => 'sarge', '4.0' => 'etch' ); # Read in all the variables set by the form my $input; if ($ARGV[0] && ($ARGV[0] eq 'php')) { $input = new CGI(\*STDIN); } else { $input = new CGI; } my $cgi_error = $input->cgi_error; if ($cgi_error) { fatal_error( "Error parsing the request", $cgi_error ); } my $pet0 = new Benchmark; my $tet0 = new Benchmark; my $debug = DEBUG && $input->param("debug"); $debug = 0 if !defined($debug) || $debug !~ /^\d+$/o; $Packages::CGI::debug = $debug; my $homedir = dirname($ENV{SCRIPT_FILENAME}).'/../'; &Packages::Config::init( $homedir ); &Packages::DB::init(); &Packages::I18N::Locale::load( "$homedir/po" ); 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( $input->http("Accept-Language"), \@all_langs ) || 'en'; debug( "LANGUAGES=@all_langs header=". ($input->http("Accept-Language")||''). " http_lang=$http_lang", 1 ) if DEBUG; # backwards compatibility stuff debug( "SCRIPT_URL=$ENV{SCRIPT_URL} SCRIPT_URI=$ENV{SCRIPT_URI}" ) if DEBUG; if ($ENV{SCRIPT_URL} =~ m|^/cgi-bin/search_|) { error( "You reached this site over an old URL. ". "Depending on the exact parameters your search might work or not." ); # contents search changed a lot if ($ENV{SCRIPT_URL} =~ m|^/cgi-bin/search_contents|) { $input->param('keywords',$input->param('word')) if $input->param('word'); $input->param('searchon','contents'); for ($input->param('searchmode')) { /^searchfiles/ && do { $input->param('mode','filename'); last; }; /^filelist/ && do { $ENV{PATH_INFO} = '/'.join('/',($input->param('version')||'stable', $input->param('keywords'), $input->param('arch')||'i386', 'filelist' )); $input->delete('searchon','version','keywords','arch'); last; }; } } } if ($ENV{is_reportbug}) { $input->param('exact', 1); debug( "reportbug detected, set paramater exact to '1'" ) if DEBUG; } my $what_to_do = 'show'; my $source = 0; if (my $path = $ENV{'PATH_INFO'} || $input->param('PATH_INFO')) { my @components = grep { $_ } map { lc $_ } split /\/+/, $path; debug( "PATH_INFO=$path components=@components", 3) if DEBUG; push @components, 'index' if @components && $path =~ m,/$,; my %LANGUAGES = map { $_ => 1 } @all_langs; if (@components > 1 and $LANGUAGES{$components[0]} and !$input->param('lang')) { $input->param( 'lang', shift(@components) ); } if (@components > 1 and $components[0] eq 'source') { shift @components; $input->param( 'source', 1 ); } if (@components > 0 and $components[0] eq 'search') { shift @components; $what_to_do = 'search'; # Done fatal_error( "search doesn't take any more path elements" ) if @components; } elsif (@components == 0) { fatal_error( "We're supposed to display the homepage here, instead of getting dispatch.pl" ); } elsif (@components == 1) { $what_to_do = 'search'; } else { for ($components[-1]) { /^(index|allpackages|newpkg|changelog|copyright|download|filelist)$/ && do { pop @components; $what_to_do = $1; last; }; } my %SUITES = map { $_ => 1 } @SUITES; my %SECTIONS = map { $_ => 1 } @SECTIONS; my %ARCHIVES = map { $_ => 1 } @ARCHIVES; my %ARCHITECTURES = map { $_ => 1 } (@ARCHITECTURES, 'all', 'any'); my %PRIORITIES = map { $_ => 1 } @PRIORITIES; my %params_set; sub set_param_once { my ($cgi, $params_set, $key, $val) = @_; debug("set_param_once key=$key val=$val",4) if DEBUG; if ($params_set->{$key}++) { fatal_error( "$key set more than once in path" ); } else { $cgi->param( $key, $val ); } } my (@pkg, $need_pkg); foreach (reverse @components) { $need_pkg = !@pkg && ($what_to_do !~ /^(index|allpackages|newpkg)$/); debug("need_pkg=$need_pkg component=$_",4) if DEBUG; if (!$need_pkg && $SUITES{$_}) { set_param_once( $input, \%params_set, 'suite', $_); } elsif (!$need_pkg && (my $s = $SUITES_ALIAS{$_})) { set_param_once( $input, \%params_set, 'suite', $s); } elsif (!$need_pkg && $SECTIONS{$_}) { set_param_once( $input, \%params_set, 'section', $_); } elsif (!$need_pkg && $ARCHIVES{$_}) { set_param_once( $input, \%params_set, 'archive', $_); } elsif (!$need_pkg && $sections_descs{$_}) { set_param_once( $input, \%params_set, 'subsection', $_); } elsif (!$need_pkg && ($_ eq 'source')) { set_param_once( $input, \%params_set, 'source', 1); } elsif ($ARCHITECTURES{$_}) { set_param_once( $input, \%params_set, 'arch', $_) unless $_ eq 'any'; } elsif ($PRIORITIES{$_}) { set_param_once( $input, \%params_set, 'priority', $_); } else { push @pkg, $_; } } @components = @pkg; if (@components > 1) { fatal_error( "two or more packages specified (@components)" ); } } # else if (@components == 1) if (@components) { my $c = uri_unescape($components[0]); $input->param( 'keywords', $c ); $input->param( 'package', $c ); } } my ( $pkg, @suites, @sections, @subsections, @archives, @archs ); my %params_def = ( keywords => { default => undef, array => '\s+', match => '^([-+\@\w\/.:]+)$', }, 'package' => { default => undef, match => '^([\w.+-]+)$', var => \$pkg }, suite => { default => 'default', match => '^([\w-]+)$', array => ',', var => \@suites, replace => { all => \@SUITES, default => \@SUITES, %SUITES_ALIAS } }, archive => { default => ($what_to_do eq 'search') ? 'all' : 'default', match => '^([\w-]+)$', array => ',', var => \@archives, replace => { all => \@ARCHIVES, default => \@ARCHIVES} }, exact => { default => 0, match => '^(\w+)$', }, lang => { default => $http_lang, match => '^([\w-]+)$', }, source => { default => 0, match => '^(\d+)$', }, debug => { default => 0, match => '^(\d+)$', }, searchon => { default => 'names', match => '^(\w+)$', }, section => { default => 'all', match => '^([\w-]+)$', alias => 'release', array => ',', var => \@sections, replace => { all => \@SECTIONS } }, subsection => { default => 'default', match => '^([\w-]+)$', array => ',', var => \@subsections, replace => { default => [] } }, priority => { default => 'default', match => '^([\w-]+)$', array => ',', replace => { default => [] } }, arch => { default => 'any', match => '^([\w-]+)$', array => ',', var => \@archs, replace => { any => \@ARCHITECTURES } }, 'format' => { default => 'html', match => '^([\w.]+)$', }, mode => { default => '', match => '^(\w+)$', }, sort_by => { default => 'file', match => '^(\w+)$', }, ); my %opts; my %params = Packages::CGI::parse_params( $input, \%params_def, \%opts ); Packages::CGI::init_url( $input, \%params, \%opts ); 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; $opts{cat} = $cat; $opts{h_suites} = { map { $_ => 1 } @suites }; $opts{h_sections} = { map { $_ => 1 } @sections }; $opts{h_archives} = { map { $_ => 1 } @archives }; $opts{h_archs} = { map { $_ => 1 } @archs }; if ((($opts{searchon} eq 'names') && $opts{source}) || ($opts{searchon} eq 'sourcenames')) { $opts{source} = 1; $opts{searchon} = 'names', $opts{searchon_form} = 'sourcenames'; } else { $opts{searchon_form} = $opts{searchon}; } if ($opts{searchon} eq 'contents' or $opts{searchon} eq 'filenames') { $what_to_do = 'search_contents'; } my $pet1 = new Benchmark; my $petd = timediff($pet1, $pet0); debug( "Parameter evaluation took ".timestr($petd) ) if DEBUG; my $template = new Packages::Template( $TEMPLATEDIR, $opts{format}, { lang => $opts{lang}, charset => $charset, cat => $cat, debug => ( DEBUG ? $opts{debug} : 0 ) }, ( $CACHEDIR ? { COMPILE_DIR => $CACHEDIR } : {} ) ); #FIXME: ugly hack unless (($what_to_do eq 'allpackages' and $opts{format} =~ /^(html|txt\.gz)/) || -e "$TEMPLATEDIR/$opts{format}/${what_to_do}.tmpl") { fatal_error( $cat->g("requested format not available for this document"), "406 requested format not available"); } my (%page_content); unless (@Packages::CGI::fatal_errors) { no strict 'refs'; &{"do_$what_to_do"}( \%params, \%opts, \%page_content ); } $page_content{opts} = \%opts; $page_content{params} = \%params; unless (@Packages::CGI::fatal_errors) { print $input->header(-charset => $charset, -type => get_mime($opts{format}) ); #use Data::Dumper; #print '
'.Dumper(\%ENV, \%page_content, get_all_messages()).''; print $template->page( $what_to_do, { %page_content, %{ get_all_messages() } } ); } elsif ($Packages::CGI::http_code && $Packages::CGI::http_code !~ /^2\d\d/) { print $input->header( -charset => $charset, -status => $Packages::CGI::http_code ); } else { # We currently have only an error page in html # so no format support here print $input->header( -charset => $charset ); print $template->error_page( get_all_messages() ); } } 1; # vim: ts=8 sw=4