lib/Packages/DoShow.pm

   1 package Packages::DoShow;
   2
   3 use strict;
   4 use warnings;
   5
   6 use POSIX;
   7 use URI::Escape;
   8 use HTML::Entities;
   9 use DB_File;
  10 use Benchmark ':hireswallclock';
  11 use Exporter;
  12
  13 use Deb::Versions;
  14 use Packages::Config qw( $DBDIR @SUITES @ARCHIVES @SECTIONS
  15                          @ARCHITECTURES %FTP_SITES @DDTP_LANGUAGES);
  16 use Packages::I18N::Locale;
  17 use Packages::CGI qw( :DEFAULT make_url make_search_url note );
  18 use Packages::DB;
  19 use Packages::Search qw( :all );
  20 use Packages::Page ();
  21 use Packages::SrcPage ();
  22
  23 our @ISA = qw( Exporter );
  24 our @EXPORT = qw( do_show );
  25
  26 sub do_show {
  27     my ($params, $opts, $page_contents) = @_;
  28
  29     if ($params->{errors}{package}) {
  30         fatal_error( _g( "package not valid or not specified" ) );
  31     }
  32     if ($params->{errors}{suite}) {
  33         fatal_error( _g( "suite not valid or not specified" ) );
  34     }
  35     if (@{$opts->{suite}} > 1) {
  36         fatal_error( sprintf( _g( "more than one suite specified for show (%s)" ), "@{$opts->{suite}}" ) );
  37     }
  38
  39     my %contents;
  40     $contents{make_url} = sub { return &Packages::CGI::make_url(@_) };
  41
  42     my $pkg = $opts->{package};
  43     $contents{pkg} = $pkg;
  44     my $suite = $opts->{suite}[0];
  45     $contents{suite} = $suite;
  46     my $archive = $opts->{archive}[0] ||'';
  47
  48     our (%packages_all, %sources_all);
  49     my (@results, @non_results);
  50     my $page = $opts->{source} ?
  51         new Packages::SrcPage( $pkg ) :
  52         new Packages::Page( $pkg );
  53     my ($short_desc, $version, $section, $subsection) = ("")x5;
  54
  55     my $st0 = new Benchmark;
  56     unless (@Packages::CGI::fatal_errors) {
  57         tie %packages_all, 'DB_File', "$DBDIR/packages_all_$suite.db",
  58         O_RDONLY, 0666, $DB_BTREE
  59             or die "couldn't tie DB $DBDIR/packages_all_$suite.db: $!";
  60         tie %sources_all, 'DB_File', "$DBDIR/sources_all_$suite.db",
  61         O_RDONLY, 0666, $DB_BTREE
  62             or die "couldn't tie DB $DBDIR/sources_all_$suite.db: $!";
  63
  64         unless ($opts->{source}) {
  65             read_entry_all( \%packages, $pkg, \@results, \@non_results, $opts );
  66         } else {
  67             read_src_entry_all( \%sources, $pkg, \@results, \@non_results, $opts );
  68         }
  69
  70         unless (@results || @non_results ) {
  71             fatal_error( _g( "No such package." )."<br>".
  72                          sprintf( _g( '<a href="%s">Search for the package</a>' ), make_search_url('','keywords='.uri_escape($pkg)) ) );
  73         } else {
  74             my %all_suites;
  75             foreach (@results, @non_results) {
  76                 my $a = $_->[1];
  77                 my $s = $_->[2];
  78                 $all_suites{$s}++;
  79             }
  80             $contents{suites} = [ suites_sort(keys %all_suites) ];
  81
  82             unless (@results) {
  83                 fatal_error( _g( "Package not available in this suite." ) );
  84             } else {
  85                 $contents{page} = $page;
  86                 unless ($opts->{source}) {
  87
  88                     for my $entry (@results) {
  89                         debug( join(":", @$entry), 1 ) if DEBUG;
  90                         my (undef, $archive, undef, $arch, $section, $subsection,
  91                             $priority, $version, $provided_by) = @$entry;
  92
  93                         if ($arch ne 'virtual') {
  94                             my %data = split /\000/, $packages_all{"$pkg $arch $version"};
  95                             $data{package} = $pkg;
  96                             $data{architecture} = $arch;
  97                             $data{version} = $version;
  98                             $page->merge_package(\%data)
  99                                 or debug( "Merging $pkg $arch $version FAILED", 2 ) if DEBUG;
 100                         } else {
 101                             $page->add_provided_by([split /\s+/, $provided_by]);
 102                         }
 103                     }
 104
 105                     unless ($page->is_virtual()) {
 106                         $version = $page->{newest};
 107                         $contents{version} = $version;
 108                         my $source = $page->get_newest( 'source' );
 109                         $archive = $page->get_newest( 'archive' );
 110                         $contents{archive} = $archive;
 111
 112                         debug( "find source package: source=$source", 1) if DEBUG;
 113                         my $src_data = $sources_all{"$archive $suite $source"};
 114                         #FIXME: should be $main_archive or similar, not hardcoded "us"
 115                         $src_data = $sources_all{"us $suite $source"} unless $src_data;
 116                         $page->add_src_data( $source, $src_data )
 117                             if $src_data;
 118
 119                         my $st1 = new Benchmark;
 120                         my $std = timediff($st1, $st0);
 121                         debug( "Data search and merging took ".timestr($std) ) if DEBUG;
 122
 123                         my $did = $page->get_newest( 'description' );
 124                         my $desc_md5 = $page->get_newest( 'description-md5' );
 125                         my @complete_tags = split(/, /, $page->get_newest( 'tag' ));
 126                         my @tags;
 127                         foreach (@complete_tags) {
 128                             my ($facet, $tag) = split( /::/, $_, 2);
 129                             next if $facet =~ /^special/;
 130                             next if $tag =~ /^special:/;
 131                             push @tags, [ $facet, $tag ];
 132                         }
 133
 134                         $contents{tags} = \@tags;
 135                         $contents{debtags_voc} = \%debtags;
 136
 137                         $section = $page->get_newest( 'section' );
 138                         $contents{section} = $section;
 139                         $subsection = $page->get_newest( 'subsection' );
 140                         $contents{subsection} = $subsection;
 141
 142                         my $archives = $page->get_arch_field( 'archive' );
 143                         my $versions = $page->get_arch_field( 'version' );
 144                         my $sizes_inst = $page->get_arch_field( 'installed-size' );
 145                         my $sizes_deb = $page->get_arch_field( 'size' );
 146                         my @archs = sort $page->get_architectures;
 147
 148                         # process description
 149                         #
 150                         sub process_description {
 151                             my ($desc) = @_;
 152
 153                             my $short_desc = encode_entities( $1, "<>&\"" )
 154                                 if $desc =~ s/^(.*)$//m;
 155                             my $long_desc = encode_entities( $desc, "<>&\"" );
 156
 157                             $long_desc =~ s,((ftp|http|https)://[\S~-]+?/?)((\&gt\;)?[)]?[']?[:.\,]?(\s|$)),<a href=\"$1\">$1</a>$3,go; # syntax highlighting -> '];
 158                             $long_desc =~ s/\A //o;
 159                             $long_desc =~ s/\n /\n/sgo;
 160                             $long_desc =~ s/\n.\n/\n<p>\n/go;
 161                             $long_desc =~ s/(((\n|\A) [^\n]*)+)/\n<pre>$1\n<\/pre>/sgo;
 162
 163                             return ($short_desc, $long_desc);
 164                         }
 165
 166                         my $desc = $descriptions{$did};
 167                         my $long_desc;
 168                         ($short_desc, $long_desc) = process_description($desc);
 169
 170                         $contents{desc}{en} = { short => $short_desc,
 171                                                 long => $long_desc, };
 172
 173                         debug( "desc_md5=$desc_md5", 2)
 174                             if DEBUG;
 175                         my $trans_desc = $desctrans{$desc_md5};
 176                         if ($trans_desc) {
 177                             my %trans_desc = split /\000|\001/, $trans_desc;
 178                             $contents{used_langs} = ['en', sort keys %trans_desc];
 179                             debug( "TRANSLATIONS: ".join(" ",keys %trans_desc), 2)
 180                                 if DEBUG;
 181                             while (my ($l, $d) = each %trans_desc) {
 182                                 my ($short_t, $long_t) = process_description($d);
 183
 184                                 $contents{desc}{$l} = { short => $short_t,
 185                                                         long => $long_t, };
 186                             }
 187                         }
 188
 189                         my $v_str = $version;
 190                         my $multiple_versions = grep { $_ ne $version } values %$versions;
 191                         $v_str .= _g(" and others") if $multiple_versions;
 192                         $contents{versions} = { short => $v_str,
 193                                                 multiple => $multiple_versions };
 194
 195                         my $provided_by = $page->{provided_by};
 196                         $contents{providers} = [];
 197                         pkg_list( \%packages, $opts, $provided_by, 'en', $contents{providers} ) if $provided_by;
 198
 199                         #
 200                         # display dependencies
 201                         #
 202                         build_deps( \%packages, $opts, $pkg,
 203                                     $page->get_dep_field('pre-depends'),
 204                                     'depends', \%contents );
 205                         build_deps( \%packages, $opts, $pkg,
 206                                     $page->get_dep_field('depends'),
 207                                     'depends', \%contents );
 208                         build_deps( \%packages, $opts, $pkg,
 209                                     $page->get_dep_field('recommends'),
 210                                     'recommends', \%contents );
 211                         build_deps( \%packages, $opts, $pkg,
 212                                     $page->get_dep_field('suggests'),
 213                                     'suggests', \%contents );
 214
 215                         #
 216                         # Download package
 217                         #
 218                         my @downloads;
 219                         foreach my $a ( @archs ) {
 220                             my %d = ( arch => $a,
 221                                       pkgsize => sprintf( '%.1f', floor(($sizes_deb->{$a}/102.4)+0.5)/10 ),
 222                                       instsize => $sizes_inst->{$a}, );
 223
 224                             $d{version} = $versions->{$a} if $multiple_versions;
 225                             $d{archive} = $archives->{$a};
 226                             if ( ($suite ne "experimental")
 227                                  && ($subsection ne 'debian-installer')) {
 228                                 $d{contents_avail} = 1;
 229                             }
 230                             push @downloads, \%d;
 231                         }
 232                         $contents{downloads} = \@downloads;
 233
 234                         #
 235                         # more information
 236                         #
 237                         moreinfo( name => $pkg, data => $page, vars => \%contents,
 238                                   opts => $opts,
 239                                   env => \%FTP_SITES,
 240                                   bugreports => 1, sourcedownload => 1,
 241                                   changesandcopy => 1, maintainers => 1,
 242                                   search => 1 );
 243                     } else { # unless $page->is_virtual
 244                         $contents{is_virtual} = 1;
 245                         $contents{desc}{short} = _g( "virtual package" );
 246                         $contents{subsection} = 'virtual';
 247
 248                         my $provided_by = $page->{provided_by};
 249                         $contents{providers} = [];
 250                         pkg_list( \%packages, $opts, $provided_by, 'en', $contents{providers} );
 251
 252                     } # else (unless $page->is_virtual)
 253                 } else { # unless $opts->{source}
 254                     $contents{is_source} = 1;
 255
 256                     for my $entry (@results) {
 257                         debug( join(":", @$entry), 1 ) if DEBUG;
 258                         my (undef, $archive, undef, $section, $subsection,
 259                             $priority, $version) = @$entry;
 260
 261                         my $data = $sources_all{"$archive $suite $pkg"};
 262                         $page->merge_data($pkg, $suite, $archive, $data)
 263                             or debug( "Merging $pkg $version FAILED", 2 ) if DEBUG;
 264                     }
 265                     $version = $page->{version};
 266                     $contents{version} = $version;
 267
 268                     my $st1 = new Benchmark;
 269                     my $std = timediff($st1, $st0);
 270                     debug( "Data search and merging took ".timestr($std) ) if DEBUG;
 271
 272                     $archive = $page->get_newest( 'archive' );
 273                     $contents{archive} = $archive;
 274                     $section = $page->get_newest( 'section' );
 275                     $contents{section} = $section;
 276                     $subsection = $page->get_newest( 'subsection' );
 277                     $contents{subsection} = $subsection;
 278
 279                     my $binaries = find_binaries( $pkg, $archive, $suite, \%src2bin );
 280                     if ($binaries && @$binaries) {
 281                         $contents{binaries} = [];
 282                         pkg_list( \%packages, $opts, $binaries, 'en', $contents{binaries} );
 283                     }
 284
 285                     #
 286                     # display dependencies
 287                     #
 288                     build_deps( \%packages, $opts, $pkg,
 289                                 $page->get_dep_field('build-depends'),
 290                                 'build-depends', \%contents );
 291                     build_deps( \%packages, $opts, $pkg,
 292                                 $page->get_dep_field('build-depends-indep'),
 293                                 'build-depends-indep', \%contents );
 294
 295                     #
 296                     # Source package download
 297                     #
 298                     my $source_files = $page->get_src( 'files' );
 299                     my $source_dir = $page->get_src( 'directory' );
 300
 301                     $contents{srcfiles} = [];
 302                     foreach( @$source_files ) {
 303                         my ($src_file_md5, $src_file_size, $src_file_name)
 304                             = split /\s+/, $_;
 305                         (my $server = lc $archive) =~ s/-//go; # non-US hack
 306                         $server = $FTP_SITES{$server}
 307                             || $FTP_SITES{us};
 308                         my $path = "/$source_dir/$src_file_name";
 309
 310                         push @{$contents{srcfiles}}, { server => $server, path => $path, filename => $src_file_name,
 311                                                        size => sprintf("%.1f", (floor(($src_file_size/102.4)+0.5)/10)),
 312                                                        md5sum => $src_file_md5 };
 313                     }
 314
 315                     #
 316                     # more information
 317                     #
 318                     moreinfo( name => $pkg, data => $page, vars => \%contents,
 319                               opts => $opts,
 320                               env => \%FTP_SITES,
 321                               bugreports => 1,
 322                               changesandcopy => 1, maintainers => 1,
 323                               search => 1, is_source => 1 );
 324
 325                 } # else (unless $opts->{source})
 326             } # else (unless @results)
 327         } # else (unless (@results || @non_results ))
 328     }
 329
 330 #    use Data::Dumper;
 331 #    debug( "Final page object:\n".Dumper(\%contents), 3 ) if DEBUG;
 332
 333     %$page_contents = %contents;
 334 }
 335
 336 sub moreinfo {
 337     my %info = @_;
 338
 339     my $name = $info{name} or return;
 340     my $env = $info{env} or return;
 341     my $opts = $info{opts} or return;
 342     my $page = $info{data} or return;
 343     my $contents = $info{vars} or return;
 344     my $is_source = $info{is_source};
 345     my $suite = $opts->{suite}[0];
 346
 347     my $source = $page->get_src( 'package' );
 348     my $source_version = $page->get_src( 'version' );
 349     my $src_dir = $page->get_src('directory');
 350     if ($info{sourcedownload}) {
 351         $contents->{src}{url} = make_url($source,'',{source=>'source'});
 352         $contents->{src}{pkg} = $source;
 353
 354         my @downloads;
 355         my $files = $page->get_src( 'files' );
 356         if (defined($files) and @$files) {
 357             foreach( @$files ) {
 358                 my ($src_file_md5, $src_file_size, $src_file_name) = split /\s/o, $_;
 359                 my ($server, $path);
 360                 # non-US hack
 361                 ($server = lc $page->get_newest('archive')) =~ s/-//go;
 362                 $server = $env->{$server}||$env->{us};
 363                 $path = "/$src_dir/$src_file_name";
 364                 push @downloads, { name => $src_file_name, server => $server, path => $path };
 365             }
 366         }
 367         $contents->{src}{downloads} = \@downloads;
 368     }
 369
 370     if ($info{changesandcopy}) {
 371         if ( $src_dir ) {
 372             (my $src_basename = $source_version) =~ s,^\d+:,,; # strip epoche
 373             $src_basename = "${source}_$src_basename";
 374             $src_dir =~ s,pool/updates,pool,o;
 375             $src_dir =~ s,pool/non-US,pool,o;
 376
 377             $contents->{files}{changelog}{path} = "$src_dir/$src_basename/changelog";
 378             $contents->{files}{copyright}{path} = "$src_dir/$src_basename/".( $is_source ? 'copyright' : "$name.copyright" );
 379         }
 380    }
 381
 382     if ($info{maintainers}) {
 383         my $uploaders = $page->get_src( 'uploaders' );
 384         if ($uploaders && @$uploaders) {
 385             my @maintainers = map { { name => $_->[0], mail => $_->[1] } } @$uploaders;
 386             $contents->{maintainers} = \@maintainers;
 387         }
 388     }
 389
 390 }
 391
 392 sub providers {
 393     my ($suite, $entry, $also) = @_;
 394     my %tmp = map { $_ => 1 } split /\s/, $entry;
 395     my @provided_by = keys %tmp; # weed out duplicates
 396     my %out = ( also => $also,
 397                 pkgs => \@provided_by );
 398     return \%out;
 399 }
 400
 401 sub build_deps {
 402     my ( $packages, $opts, $pkg, $relations, $type, $contents) = @_;
 403     my %dep_type = ('depends' => 'dep', 'recommends' => 'rec',
 404                     'suggests' => 'sug', 'build-depends' => 'adep',
 405                     'build-depends-indep' => 'idep' );
 406     my $suite = $opts->{suite}[0];
 407
 408     my %out = ( id => $dep_type{$type}, terms => [] );
 409
 410 #    use Data::Dumper;
 411 #    debug( "print_deps called:\n".Dumper( $pkg, $relations, \$type ), 3 ) if DEBUG;
 412
 413     foreach my $rel (@$relations) {
 414         my %rel_out;
 415         $rel_out{is_old_pkgs} = $rel->[0];
 416         $rel_out{alternatives} = [];
 417
 418         foreach my $rel_alt ( @$rel ) {
 419             next unless ref($rel_alt);
 420             my ( $p_name, $pkg_version, $arch_neg,
 421                  $arch_str, $subsection, $available ) = @$rel_alt;
 422
 423             if ($arch_str ||= '') {
 424                 if ($arch_neg) {
 425                     $arch_str = _g("not")." $arch_str";
 426                 } else {
 427                     $arch_str = $arch_str;
 428                 }
 429             }
 430
 431             my %rel_alt_out = ( name => $p_name,
 432                                 version => $pkg_version,
 433                                 arch_str => $arch_str,
 434                                 arch_neg => $arch_neg );
 435
 436             my @results;
 437             my %entries;
 438             my $entry = $entries{$p_name} ||
 439                 read_entry_simple( $packages, $p_name, $opts->{h_archives}, $suite);
 440             my $short_desc = $entry->[-1];
 441             my $arch = $entry->[3];
 442             my $archive = $entry->[1];
 443             my $p_suite = $entry->[2];
 444             if ( $short_desc ) {
 445                 $rel_alt_out{desc} = $short_desc;
 446                 $rel_alt_out{suite} = $p_suite;
 447                 if ( $rel_out{is_old_pkgs} ) {
 448                 } elsif (defined $entry->[1]) {
 449                     $entries{$p_name} ||= $entry;
 450                     $rel_alt_out{providers} = providers( $p_suite,
 451                                                         $entry->[0],
 452                                                         1 ) if defined $entry->[0];
 453                 } elsif (defined $entry->[0]) {
 454                     $rel_alt_out{desc} = undef;
 455                     $rel_alt_out{providers} = providers( $p_suite,
 456                                                         $entry->[0] );
 457                     #FIXME: we don't handle virtual packages from
 458                     # the fallback suite correctly here
 459                     $rel_alt_out{suite} = $suite;
 460                 }
 461             } elsif ( $rel_out{is_old_pkgs} ) {
 462             } else {
 463                 $rel_alt_out{desc} = _g( "Package not available" );
 464                 $rel_alt_out{suite} = '';
 465             }
 466             push @{$rel_out{alternatives}}, \%rel_alt_out;
 467         }
 468
 469         push @{$out{terms}}, \%rel_out;
 470     }
 471
 472     $contents->{relations} ||= [];
 473     push @{$contents->{relations}}, \%out if @{$out{terms}};
 474 } # end print_deps
 475
 476 sub pkg_list {
 477     my ( $packages, $opts, $pkgs, $lang, $list ) = @_;
 478     my $suite = $opts->{suite}[0];
 479
 480     foreach my $p ( sort @$pkgs ) {
 481
 482         # we don't deal with virtual packages here because for the
 483         # current uses of this function this isn't needed
 484         my $short_desc = (read_entry_simple( $packages, $p, $opts->{h_archives}, $suite))->[-1];
 485
 486         if ( $short_desc ) {
 487             push @$list, { name => $p, desc => $short_desc, available => 1 };
 488         } else {
 489             push @$list, { name => $p, desc => _g("Not available") };
 490         }
 491     }
 492 }
 493
 494
 495 1;
 496