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( $DBDIR @SUITES @ARCHIVES @SECTIONS
  15                          @ARCHITECTURES %FTP_SITES );
  16 use Packages::I18N::Locale;
  17 use Packages::CGI qw( :DEFAULT make_url make_search_url note );
  18 use Packages::DB;
  19 use Packages::Search qw( :all );
  20 use Packages::Page ();
  21 use Packages::SrcPage ();
  22
  23 our @ISA = qw( Exporter );
  24 our @EXPORT = qw( do_show );
  25
  26 sub do_show {
  27     my ($params, $opts, $html_header, $page_contents) = @_;
  28
  29     if ($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                         $page->add_src_data( $source, $src_data )
 115                             if $src_data;
 116
 117                         my $st1 = new Benchmark;
 118                         my $std = timediff($st1, $st0);
 119                         debug( "Data search and merging took ".timestr($std) ) if DEBUG;
 120
 121                         my $did = $page->get_newest( 'description' );
 122                         my @tags = split(/, /, $page->get_newest( 'tag' ));
 123                         $contents{tags} = \@tags;
 124
 125                         $section = $page->get_newest( 'section' );
 126                         $contents{section} = $section;
 127                         $subsection = $page->get_newest( 'subsection' );
 128                         $contents{subsection} = $subsection;
 129
 130                         my $archives = $page->get_arch_field( 'archive' );
 131                         my $versions = $page->get_arch_field( 'version' );
 132                         my $sizes_inst = $page->get_arch_field( 'installed-size' );
 133                         my $sizes_deb = $page->get_arch_field( 'size' );
 134                         my @archs = sort $page->get_architectures;
 135
 136                         # process description
 137                         #
 138                         my $desc = $descriptions{$did};
 139                         $short_desc = encode_entities( $1, "<>&\"" )
 140                             if $desc =~ s/^(.*)$//m;
 141                         my $long_desc = encode_entities( $desc, "<>&\"" );
 142
 143                         $long_desc =~ s,((ftp|http|https)://[\S~-]+?/?)((\&gt\;)?[)]?[']?[:.\,]?(\s|$)),<a href=\"$1\">$1</a>$3,go; # syntax highlighting -> '];
 144                         $long_desc =~ s/\A //o;
 145                         $long_desc =~ s/\n /\n/sgo;
 146                         $long_desc =~ s/\n.\n/\n<p>\n/go;
 147                         $long_desc =~ s/(((\n|\A) [^\n]*)+)/\n<pre>$1\n<\/pre>/sgo;
 148
 149                         $contents{desc} = { short => $short_desc,
 150                                             long => $long_desc, };
 151
 152                         my $v_str = $version;
 153                         my $multiple_versions = grep { $_ ne $version } values %$versions;
 154                         $v_str .= _g(" and others") if $multiple_versions;
 155                         $contents{versions} = { short => $v_str,
 156                                                 multiple => $multiple_versions };
 157
 158                         my $provided_by = $page->{provided_by};
 159                         $contents{providers} = [];
 160                         pkg_list( \%packages, $opts, $provided_by, 'en', $contents{providers} ) if $provided_by;
 161
 162                         #
 163                         # display dependencies
 164                         #
 165                         build_deps( \%packages, $opts, $pkg,
 166                                     $page->get_dep_field('depends'),
 167                                     'depends', \%contents );
 168                         build_deps( \%packages, $opts, $pkg,
 169                                     $page->get_dep_field('recommends'),
 170                                     'recommends', \%contents );
 171                         build_deps( \%packages, $opts, $pkg,
 172                                     $page->get_dep_field('suggests'),
 173                                     'suggests', \%contents );
 174
 175                         #
 176                         # Download package
 177                         #
 178                         my @downloads;
 179                         foreach my $a ( @archs ) {
 180                             my %d = ( arch => $a,
 181                                       pkgsize => sprintf( '%.1f', floor(($sizes_deb->{$a}/102.4)+0.5)/10 ),
 182                                       instsize => $sizes_inst->{$a}, );
 183
 184                             $d{version} = $versions->{$a} if $multiple_versions;
 185                             if ( ($suite ne "experimental")
 186                                  && ($subsection ne 'debian-installer')) {
 187                                 $d{contents_avail} = 1;
 188                             }
 189                             push @downloads, \%d;
 190                         }
 191                         $contents{downloads} = \@downloads;
 192
 193                         #
 194                         # more information
 195                         #
 196                         moreinfo( name => $pkg, data => $page, vars => \%contents,
 197                                   opts => $opts,
 198                                   env => \%FTP_SITES,
 199                                   bugreports => 1, sourcedownload => 1,
 200                                   changesandcopy => 1, maintainers => 1,
 201                                   search => 1 );
 202                     } else { # unless $page->is_virtual
 203                         $contents{is_virtual} = 1;
 204                         $contents{desc}{short} = _g( "virtual package" );
 205                         $contents{subsection} = 'virtual';
 206
 207                         my $policy_url = 'http://www.debian.org/doc/debian-policy/';
 208                         note( sprintf( _g( 'This is a <em>virtual package</em>. See the <a href="%s">Debian policy</a> for a <a href="%sch-binary.html#s-virtual_pkg">definition of virtual packages</a>.' ),
 209                                        $policy_url, $policy_url ));
 210
 211                         my $provided_by = $page->{provided_by};
 212                         $contents{providers} = [];
 213                         pkg_list( \%packages, $opts, $provided_by, 'en', $contents{providers} );
 214
 215                     } # else (unless $page->is_virtual)
 216                 } else { # unless $opts->{source}
 217                     $contents{is_source} = 1;
 218
 219                     for my $entry (@results) {
 220                         debug( join(":", @$entry), 1 ) if DEBUG;
 221                         my (undef, $archive, undef, $section, $subsection,
 222                             $priority, $version) = @$entry;
 223
 224                         my $data = $sources_all{"$archive $suite $pkg"};
 225                         $page->merge_data($pkg, $suite, $archive, $data)
 226                             or debug( "Merging $pkg $version FAILED", 2 ) if DEBUG;
 227                     }
 228                     $version = $page->{version};
 229                     $contents{version} = $version;
 230
 231                     my $st1 = new Benchmark;
 232                     my $std = timediff($st1, $st0);
 233                     debug( "Data search and merging took ".timestr($std) ) if DEBUG;
 234
 235                     $archive = $page->get_newest( 'archive' );
 236                     $contents{archive} = $archive;
 237                     $section = $page->get_newest( 'section' );
 238                     $contents{section} = $section;
 239                     $subsection = $page->get_newest( 'subsection' );
 240                     $contents{subsection} = $subsection;
 241
 242                     my $binaries = find_binaries( $pkg, $archive, $suite, \%src2bin );
 243                     if ($binaries && @$binaries) {
 244                         $contents{binaries} = [];
 245                         pkg_list( \%packages, $opts, $binaries, 'en', $contents{binaries} );
 246                     }
 247
 248                     #
 249                     # display dependencies
 250                     #
 251                     build_deps( \%packages, $opts, $pkg,
 252                                 $page->get_dep_field('build-depends'),
 253                                 'build-depends', \%contents );
 254                     build_deps( \%packages, $opts, $pkg,
 255                                 $page->get_dep_field('build-depends-indep'),
 256                                 'build-depends-indep', \%contents );
 257
 258                     #
 259                     # Source package download
 260                     #
 261                     my $source_files = $page->get_src( 'files' );
 262                     my $source_dir = $page->get_src( 'directory' );
 263
 264                     $contents{srcfiles} = [];
 265                     foreach( @$source_files ) {
 266                         my ($src_file_md5, $src_file_size, $src_file_name)
 267                             = split /\s+/, $_;
 268                         (my $server = lc $archive) =~ s/-//go; # non-US hack
 269                         $server = $FTP_SITES{$server}
 270                             || $FTP_SITES{us};
 271                         my $path = "/$source_dir/$src_file_name";
 272
 273                         push @{$contents{srcfiles}}, { server => $server, path => $path, filename => $src_file_name,
 274                                                        size => sprintf("%.1f", (floor(($src_file_size/102.4)+0.5)/10)),
 275                                                        md5sum => $src_file_md5 };
 276                     }
 277
 278                     #
 279                     # more information
 280                     #
 281                     moreinfo( name => $pkg, data => $page, vars => \%contents,
 282                               opts => $opts,
 283                               env => \%FTP_SITES,
 284                               bugreports => 1,
 285                               changesandcopy => 1, maintainers => 1,
 286                               search => 1, is_source => 1 );
 287
 288                 } # else (unless $opts->{source})
 289             } # else (unless @results)
 290         } # else (unless (@results || @non_results ))
 291     }
 292
 293 #    use Data::Dumper;
 294 #    debug( "Final page object:\n".Dumper(\%contents), 3 ) if DEBUG;
 295
 296     %$page_contents = %contents;
 297 }
 298
 299 sub moreinfo {
 300     my %info = @_;
 301
 302     my $name = $info{name} or return;
 303     my $env = $info{env} or return;
 304     my $opts = $info{opts} or return;
 305     my $page = $info{data} or return;
 306     my $contents = $info{vars} or return;
 307     my $is_source = $info{is_source};
 308     my $suite = $opts->{suite}[0];
 309
 310     my $source = $page->get_src( 'package' );
 311     my $source_version = $page->get_src( 'version' );
 312     my $src_dir = $page->get_src('directory');
 313     if ($info{sourcedownload}) {
 314         $contents->{src}{url} = make_url($source,'',{source=>'source'});
 315         $contents->{src}{pkg} = $source;
 316
 317         my @downloads;
 318         my $files = $page->get_src( 'files' );
 319         if (defined($files) and @$files) {
 320             foreach( @$files ) {
 321                 my ($src_file_md5, $src_file_size, $src_file_name) = split /\s/o, $_;
 322                 my ($name, $server, $path);
 323                 # non-US hack
 324                 ($server = lc $page->get_newest('archive')) =~ s/-//go;
 325                 $server = $env->{$server}||$env->{us};
 326                 $path = "$src_dir/$src_file_name";
 327                 if ($src_file_name =~ /dsc$/) {
 328                     $name = 'dsc'
 329                 } else {
 330                     $name = $src_file_name;
 331                 }
 332                 push @downloads, { name => $name, server => $server, path => $path };
 333             }
 334         }
 335         $contents->{src}{downloads} = \@downloads;
 336     }
 337
 338     if ($info{changesandcopy}) {
 339         if ( $src_dir ) {
 340             (my $src_basename = $source_version) =~ s,^\d+:,,; # strip epoche
 341             $src_basename = "${source}_$src_basename";
 342             $src_dir =~ s,pool/updates,pool,o;
 343             $src_dir =~ s,pool/non-US,pool,o;
 344
 345             $contents->{files}{changelog}{path} = "$src_dir/$src_basename/changelog";
 346             $contents->{files}{copyright}{path} = "$src_dir/$src_basename/".( $is_source ? 'copyright' : "$name.copyright" );
 347         }
 348    }
 349
 350     if ($info{maintainers}) {
 351         my $uploaders = $page->get_src( 'uploaders' );
 352         if ($uploaders && @$uploaders) {
 353             my @maintainers = map { { name => $_->[0], mail => $_->[1] } } @$uploaders;
 354             $contents->{maintainers} = \@maintainers;
 355         }
 356     }
 357
 358 }
 359
 360 sub providers {
 361     my ($suite, $entry, $also) = @_;
 362     my %tmp = map { $_ => 1 } split /\s/, $entry;
 363     my @provided_by = keys %tmp; # weed out duplicates
 364     my %out = ( also => $also,
 365                 pkgs => \@provided_by );
 366     return \%out;
 367 }
 368
 369 sub build_deps {
 370     my ( $packages, $opts, $pkg, $relations, $type, $contents) = @_;
 371     my %dep_type = ('depends' => 'dep', 'recommends' => 'rec',
 372                     'suggests' => 'sug', 'build-depends' => 'adep',
 373                     'build-depends-indep' => 'idep' );
 374     my $suite = $opts->{suite}[0];
 375
 376     my %out = ( id => $dep_type{$type}, terms => [] );
 377
 378 #    use Data::Dumper;
 379 #    debug( "print_deps called:\n".Dumper( $pkg, $relations, \$type ), 3 ) if DEBUG;
 380
 381     foreach my $rel (@$relations) {
 382         my %rel_out;
 383         $rel_out{is_old_pkgs} = $rel->[0];
 384         $rel_out{alternatives} = [];
 385
 386         foreach my $rel_alt ( @$rel ) {
 387             next unless ref($rel_alt);
 388             my ( $p_name, $pkg_version, $arch_neg,
 389                  $arch_str, $subsection, $available ) = @$rel_alt;
 390
 391             if ($arch_str ||= '') {
 392                 if ($arch_neg) {
 393                     $arch_str = _g("not")." $arch_str";
 394                 } else {
 395                     $arch_str = $arch_str;
 396                 }
 397             }
 398
 399             my %rel_alt_out = ( name => $p_name,
 400                                 version => $pkg_version,
 401                                 arch_str => $arch_str,
 402                                 arch_neg => $arch_neg );
 403
 404             my @results;
 405             my %entries;
 406             my $entry = $entries{$p_name} ||
 407                 read_entry_simple( $packages, $p_name, $opts->{h_archives}, $suite);
 408             my $short_desc = $entry->[-1];
 409             my $arch = $entry->[3];
 410             my $archive = $entry->[1];
 411             my $p_suite = $entry->[2];
 412             if ( $short_desc ) {
 413                 $rel_alt_out{desc} = $short_desc;
 414                 $rel_alt_out{suite} = $p_suite;
 415                 if ( $rel_out{is_old_pkgs} ) {
 416                 } elsif (defined $entry->[1]) {
 417                     $entries{$p_name} ||= $entry;
 418                     $rel_alt_out{providers} = providers( $p_suite,
 419                                                         $entry->[0],
 420                                                         1 ) if defined $entry->[0];
 421                 } elsif (defined $entry->[0]) {
 422                     $rel_alt_out{desc} = undef;
 423                     $rel_alt_out{providers} = providers( $p_suite,
 424                                                         $entry->[0] );
 425                     #FIXME: we don't handle virtual packages from
 426                     # the fallback suite correctly here
 427                     $rel_alt_out{suite} = $suite;
 428                 }
 429             } elsif ( $rel_out{is_old_pkgs} ) {
 430             } else {
 431                 $rel_alt_out{desc} = _g( "Package not available" );
 432                 $rel_alt_out{suite} = '';
 433             }
 434             push @{$rel_out{alternatives}}, \%rel_alt_out;
 435         }
 436
 437         push @{$out{terms}}, \%rel_out;
 438     }
 439
 440     $contents->{relations} ||= [];
 441     push @{$contents->{relations}}, \%out if @{$out{terms}};
 442 } # end print_deps
 443
 444 sub pkg_list {
 445     my ( $packages, $opts, $pkgs, $lang, $list ) = @_;
 446     my $suite = $opts->{suite}[0];
 447
 448     foreach my $p ( sort @$pkgs ) {
 449
 450         # we don't deal with virtual packages here because for the
 451         # current uses of this function this isn't needed
 452         my $short_desc = (read_entry_simple( $packages, $p, $opts->{h_archives}, $suite))->[-1];
 453
 454         if ( $short_desc ) {
 455             push @$list, { name => $p, desc => $short_desc, available => 1 };
 456         } else {
 457             push @$list, { name => $p, desc => _g("Not available") };
 458         }
 459     }
 460 }
 461
 462
 463 1;
 464