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 @similar = find_similar( $pkg, "$DBDIR/xapian/",
 124                                                     \%did2pkg );
 125                         $contents{similar} = \@similar;
 126
 127                         my $did = $page->get_newest( 'description' );
 128                         my $desc_md5 = $page->get_newest( 'description-md5' );
 129                         my @complete_tags = split(/, /, $page->get_newest( 'tag' )||'' );
 130                         my @tags;
 131                         foreach (@complete_tags) {
 132                             my ($facet, $tag) = split( /::/, $_, 2);
 133                             next if $facet =~ /^special/;
 134                             next if $tag =~ /^special:/;
 135                             push @tags, [ $facet, $tag ];
 136                         }
 137
 138                         $contents{tags} = \@tags;
 139                         $contents{debtags_voc} = \%debtags;
 140
 141                         $section = $page->get_newest( 'section' );
 142                         $contents{section} = $section;
 143                         $subsection = $page->get_newest( 'subsection' );
 144                         $contents{subsection} = $subsection;
 145
 146                         my $archives = $page->get_arch_field( 'archive' );
 147                         my $versions = $page->get_arch_field( 'version' );
 148                         my $sizes_inst = $page->get_arch_field( 'installed-size' );
 149                         my $sizes_deb = $page->get_arch_field( 'size' );
 150                         my @archs = sort $page->get_architectures;
 151
 152                         # process description
 153                         #
 154                         sub process_description {
 155                             my ($desc) = @_;
 156
 157                             my $short_desc = encode_entities( $1, "<>&\"" )
 158                                 if $desc =~ s/^(.*)$//m;
 159                             my $long_desc = encode_entities( $desc, "<>&\"" );
 160
 161                             $long_desc =~ s,((ftp|http|https)://[\S~-]+?/?)((\&gt\;)?[)]?[']?[:.\,]?(\s|$)),<a href=\"$1\">$1</a>$3,go; # syntax highlighting -> '];
 162                             $long_desc =~ s/\A //o;
 163                             $long_desc =~ s/\n /\n/sgo;
 164                             $long_desc =~ s/\n.\n/\n<p>\n/go;
 165                             $long_desc =~ s/(((\n|\A) [^\n]*)+)/\n<pre>$1\n<\/pre>/sgo;
 166
 167                             return ($short_desc, $long_desc);
 168                         }
 169
 170                         my $desc = $descriptions{$did};
 171                         my $long_desc;
 172                         ($short_desc, $long_desc) = process_description($desc);
 173
 174                         $contents{desc}{en} = { short => $short_desc,
 175                                                 long => $long_desc, };
 176
 177                         debug( "desc_md5=$desc_md5", 2)
 178                             if DEBUG;
 179                         my $trans_desc = $desctrans{$desc_md5};
 180                         if ($trans_desc) {
 181                             my %trans_desc = split /\000|\001/, $trans_desc;
 182                             $contents{used_langs} = ['en', sort keys %trans_desc];
 183                             debug( "TRANSLATIONS: ".join(" ",keys %trans_desc), 2)
 184                                 if DEBUG;
 185                             while (my ($l, $d) = each %trans_desc) {
 186                                 my ($short_t, $long_t) = process_description($d);
 187
 188                                 $contents{desc}{$l} = { short => $short_t,
 189                                                         long => $long_t, };
 190                             }
 191                         }
 192
 193                         my $v_str = $version;
 194                         my $multiple_versions = grep { $_ ne $version } values %$versions;
 195                         $v_str .= _g(" and others") if $multiple_versions;
 196                         $contents{versions} = { short => $v_str,
 197                                                 multiple => $multiple_versions };
 198
 199                         my $provided_by = $page->{provided_by};
 200                         $contents{providers} = [];
 201                         pkg_list( \%packages, $opts, $provided_by, 'en', $contents{providers} ) if $provided_by;
 202
 203                         #
 204                         # display dependencies
 205                         #
 206                         build_deps( \%packages, $opts, $pkg,
 207                                     $page->get_dep_field('pre-depends'),
 208                                     'depends', \%contents );
 209                         build_deps( \%packages, $opts, $pkg,
 210                                     $page->get_dep_field('depends'),
 211                                     'depends', \%contents );
 212                         build_deps( \%packages, $opts, $pkg,
 213                                     $page->get_dep_field('recommends'),
 214                                     'recommends', \%contents );
 215                         build_deps( \%packages, $opts, $pkg,
 216                                     $page->get_dep_field('suggests'),
 217                                     'suggests', \%contents );
 218
 219                         #
 220                         # Download package
 221                         #
 222                         my @downloads;
 223                         foreach my $a ( @archs ) {
 224                             my %d = ( arch => $a,
 225                                       pkgsize => sprintf( '%.1f', floor(($sizes_deb->{$a}/102.4)+0.5)/10 ),
 226                                       instsize => $sizes_inst->{$a}, );
 227
 228                             $d{version} = $versions->{$a} if $multiple_versions;
 229                             $d{archive} = $archives->{$a};
 230                             if ( ($suite ne "experimental")
 231                                  && ($subsection ne 'debian-installer')) {
 232                                 $d{contents_avail} = 1;
 233                             }
 234                             push @downloads, \%d;
 235                         }
 236                         $contents{downloads} = \@downloads;
 237
 238                         #
 239                         # more information
 240                         #
 241                         moreinfo( name => $pkg, data => $page, vars => \%contents,
 242                                   opts => $opts,
 243                                   env => \%FTP_SITES,
 244                                   bugreports => 1, sourcedownload => 1,
 245                                   changesandcopy => 1, maintainers => 1,
 246                                   search => 1 );
 247                     } else { # unless $page->is_virtual
 248                         $contents{is_virtual} = 1;
 249                         $contents{desc}{short} = _g( "virtual package" );
 250                         $contents{subsection} = 'virtual';
 251
 252                         my $provided_by = $page->{provided_by};
 253                         $contents{providers} = [];
 254                         pkg_list( \%packages, $opts, $provided_by, 'en', $contents{providers} );
 255
 256                     } # else (unless $page->is_virtual)
 257                 } else { # unless $opts->{source}
 258                     $contents{is_source} = 1;
 259
 260                     for my $entry (@results) {
 261                         debug( join(":", @$entry), 1 ) if DEBUG;
 262                         my (undef, $archive, undef, $section, $subsection,
 263                             $priority, $version) = @$entry;
 264
 265                         my $data = $sources_all{"$archive $suite $pkg"};
 266                         $page->merge_data($pkg, $suite, $archive, $data)
 267                             or debug( "Merging $pkg $version FAILED", 2 ) if DEBUG;
 268                     }
 269                     $version = $page->{version};
 270                     $contents{version} = $version;
 271
 272                     my $st1 = new Benchmark;
 273                     my $std = timediff($st1, $st0);
 274                     debug( "Data search and merging took ".timestr($std) ) if DEBUG;
 275
 276                     $archive = $page->get_newest( 'archive' );
 277                     $contents{archive} = $archive;
 278                     $section = $page->get_newest( 'section' );
 279                     $contents{section} = $section;
 280                     $subsection = $page->get_newest( 'subsection' );
 281                     $contents{subsection} = $subsection;
 282
 283                     my $binaries = find_binaries( $pkg, $archive, $suite, \%src2bin );
 284                     if ($binaries && @$binaries) {
 285                         $contents{binaries} = [];
 286                         pkg_list( \%packages, $opts, $binaries, 'en', $contents{binaries} );
 287                     }
 288
 289                     #
 290                     # display dependencies
 291                     #
 292                     build_deps( \%packages, $opts, $pkg,
 293                                 $page->get_dep_field('build-depends'),
 294                                 'build-depends', \%contents );
 295                     build_deps( \%packages, $opts, $pkg,
 296                                 $page->get_dep_field('build-depends-indep'),
 297                                 'build-depends-indep', \%contents );
 298
 299                     #
 300                     # Source package download
 301                     #
 302                     my $source_files = $page->get_src( 'files' );
 303                     my $source_dir = $page->get_src( 'directory' );
 304
 305                     $contents{srcfiles} = [];
 306                     foreach( @$source_files ) {
 307                         my ($src_file_md5, $src_file_size, $src_file_name)
 308                             = split /\s+/, $_;
 309                         (my $server = lc $archive) =~ s/-//go; # non-US hack
 310                         $server = $FTP_SITES{$server}
 311                             || $FTP_SITES{us};
 312                         my $path = "/$source_dir/$src_file_name";
 313
 314                         push @{$contents{srcfiles}}, { server => $server, path => $path, filename => $src_file_name,
 315                                                        size => sprintf("%.1f", (floor(($src_file_size/102.4)+0.5)/10)),
 316                                                        md5sum => $src_file_md5 };
 317                     }
 318
 319                     #
 320                     # more information
 321                     #
 322                     moreinfo( name => $pkg, data => $page, vars => \%contents,
 323                               opts => $opts,
 324                               env => \%FTP_SITES,
 325                               bugreports => 1,
 326                               changesandcopy => 1, maintainers => 1,
 327                               search => 1, is_source => 1 );
 328
 329                 } # else (unless $opts->{source})
 330             } # else (unless @results)
 331         } # else (unless (@results || @non_results ))
 332     }
 333
 334 #    use Data::Dumper;
 335 #    debug( "Final page object:\n".Dumper(\%contents), 3 ) if DEBUG;
 336
 337     %$page_contents = %contents;
 338 }
 339
 340 sub moreinfo {
 341     my %info = @_;
 342
 343     my $name = $info{name} or return;
 344     my $env = $info{env} or return;
 345     my $opts = $info{opts} or return;
 346     my $page = $info{data} or return;
 347     my $contents = $info{vars} or return;
 348     my $is_source = $info{is_source};
 349     my $suite = $opts->{suite}[0];
 350
 351     my $source = $page->get_src( 'package' );
 352     my $source_version = $page->get_src( 'version' );
 353     my $src_dir = $page->get_src('directory');
 354     if ($info{sourcedownload}) {
 355         $contents->{src}{url} = make_url($source,'',{source=>'source'});
 356         $contents->{src}{pkg} = $source;
 357
 358         my @downloads;
 359         my $files = $page->get_src( 'files' );
 360         if (defined($files) and @$files) {
 361             foreach( @$files ) {
 362                 my ($src_file_md5, $src_file_size, $src_file_name) = split /\s/o, $_;
 363                 my ($server, $path);
 364                 # non-US hack
 365                 ($server = lc $page->get_newest('archive')) =~ s/-//go;
 366                 $server = $env->{$server}||$env->{us};
 367                 $path = "/$src_dir/$src_file_name";
 368                 push @downloads, { name => $src_file_name, server => $server, path => $path };
 369             }
 370         }
 371         $contents->{src}{downloads} = \@downloads;
 372     }
 373
 374     if ($info{changesandcopy}) {
 375         if ( $src_dir ) {
 376             (my $src_basename = $source_version) =~ s,^\d+:,,; # strip epoche
 377             $src_basename = "${source}_$src_basename";
 378             $src_dir =~ s,pool/updates,pool,o;
 379             $src_dir =~ s,pool/non-US,pool,o;
 380
 381             $contents->{files}{changelog}{path} = "$src_dir/$src_basename/changelog";
 382             $contents->{files}{copyright}{path} = "$src_dir/$src_basename/".( $is_source ? 'copyright' : "$name.copyright" );
 383         }
 384    }
 385
 386     if ($info{maintainers}) {
 387         my $uploaders = $page->get_src( 'uploaders' );
 388         if ($uploaders && @$uploaders) {
 389             my @maintainers = map { { name => $_->[0], mail => $_->[1] } } @$uploaders;
 390             $contents->{maintainers} = \@maintainers;
 391         }
 392     }
 393
 394 }
 395
 396 sub providers {
 397     my ($suite, $entry, $also) = @_;
 398     my %tmp = map { $_ => 1 } split /\s/, $entry;
 399     my @provided_by = keys %tmp; # weed out duplicates
 400     my %out = ( also => $also,
 401                 pkgs => \@provided_by );
 402     return \%out;
 403 }
 404
 405 sub build_deps {
 406     my ( $packages, $opts, $pkg, $relations, $type, $contents) = @_;
 407     my %dep_type = ('depends' => 'dep', 'recommends' => 'rec',
 408                     'suggests' => 'sug', 'build-depends' => 'adep',
 409                     'build-depends-indep' => 'idep' );
 410     my $suite = $opts->{suite}[0];
 411
 412     my %out = ( id => $dep_type{$type}, terms => [] );
 413
 414 #    use Data::Dumper;
 415 #    debug( "print_deps called:\n".Dumper( $pkg, $relations, \$type ), 3 ) if DEBUG;
 416
 417     foreach my $rel (@$relations) {
 418         my %rel_out;
 419         $rel_out{is_old_pkgs} = $rel->[0];
 420         $rel_out{alternatives} = [];
 421
 422         foreach my $rel_alt ( @$rel ) {
 423             next unless ref($rel_alt);
 424             my ( $p_name, $pkg_version, $arch_neg,
 425                  $arch_str, $subsection, $available ) = @$rel_alt;
 426
 427             if ($arch_str ||= '') {
 428                 if ($arch_neg) {
 429                     $arch_str = _g("not")." $arch_str";
 430                 } else {
 431                     $arch_str = $arch_str;
 432                 }
 433             }
 434
 435             my %rel_alt_out = ( name => $p_name,
 436                                 version => $pkg_version,
 437                                 arch_str => $arch_str,
 438                                 arch_neg => $arch_neg );
 439
 440             my @results;
 441             my %entries;
 442             my $entry = $entries{$p_name} ||
 443                 read_entry_simple( $packages, $p_name, $opts->{h_archives}, $suite);
 444             my $short_desc = $entry->[-1];
 445             my $arch = $entry->[3];
 446             my $archive = $entry->[1];
 447             my $p_suite = $entry->[2];
 448             if ( $short_desc ) {
 449                 $rel_alt_out{desc} = $short_desc;
 450                 $rel_alt_out{suite} = $p_suite;
 451                 if ( $rel_out{is_old_pkgs} ) {
 452                 } elsif (defined $entry->[1]) {
 453                     $entries{$p_name} ||= $entry;
 454                     $rel_alt_out{providers} = providers( $p_suite,
 455                                                         $entry->[0],
 456                                                         1 ) if defined $entry->[0];
 457                 } elsif (defined $entry->[0]) {
 458                     $rel_alt_out{desc} = undef;
 459                     $rel_alt_out{providers} = providers( $p_suite,
 460                                                         $entry->[0] );
 461                     #FIXME: we don't handle virtual packages from
 462                     # the fallback suite correctly here
 463                     $rel_alt_out{suite} = $suite;
 464                 }
 465             } elsif ( $rel_out{is_old_pkgs} ) {
 466             } else {
 467                 $rel_alt_out{desc} = _g( "Package not available" );
 468                 $rel_alt_out{suite} = '';
 469             }
 470             push @{$rel_out{alternatives}}, \%rel_alt_out;
 471         }
 472
 473         push @{$out{terms}}, \%rel_out;
 474     }
 475
 476     $contents->{relations} ||= [];
 477     push @{$contents->{relations}}, \%out if @{$out{terms}};
 478 } # end print_deps
 479
 480 sub pkg_list {
 481     my ( $packages, $opts, $pkgs, $lang, $list ) = @_;
 482     my $suite = $opts->{suite}[0];
 483
 484     foreach my $p ( sort @$pkgs ) {
 485
 486         # we don't deal with virtual packages here because for the
 487         # current uses of this function this isn't needed
 488         my $short_desc = (read_entry_simple( $packages, $p, $opts->{h_archives}, $suite))->[-1];
 489
 490         if ( $short_desc ) {
 491             push @$list, { name => $p, desc => $short_desc, available => 1 };
 492         } else {
 493             push @$list, { name => $p, desc => _g("Not available") };
 494         }
 495     }
 496 }
 497
 498
 499 1;
 500