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( $DBDIR @SUITES @ARCHIVES @SECTIONS
  15                          @ARCHITECTURES %FTP_SITES
  16                          @LANGUAGES @DDTP_LANGUAGES);
  17 use Packages::CGI qw( :DEFAULT make_url make_search_url );
  18 use Packages::DB;
  19 use Packages::Search qw( :all );
  20 use Packages::Page ();
  21 use Packages::SrcPage ();
  22
  23 our @ISA = qw( Exporter );
  24 our @EXPORT = qw( do_show );
  25
  26 sub do_show {
  27     my ($params, $opts, $page_contents) = @_;
  28     my $cat = $opts->{cat};
  29
  30     if ($params->{errors}{package}) {
  31         fatal_error( $cat->g( "package not valid or not specified" ) );
  32     }
  33     if ($params->{errors}{suite}) {
  34         fatal_error( $cat->g( "suite not valid or not specified" ) );
  35     }
  36     if (@{$opts->{suite}} > 1) {
  37         fatal_error( $cat->g( "more than one suite specified for show (%s)",
  38                               "@{$opts->{suite}}" ) );
  39     }
  40
  41     my %contents;
  42     $contents{make_url} = sub { return &Packages::CGI::make_url(@_) };
  43
  44     my $pkg = $opts->{package};
  45     $contents{pkg} = $pkg;
  46     my $suite = $opts->{suite}[0];
  47     $contents{suite} = $suite;
  48     my $archive = $opts->{archive}[0] ||'';
  49
  50     our (%packages_all, %sources_all);
  51     my (@results, @non_results);
  52     my $page = $opts->{source} ?
  53         new Packages::SrcPage( $pkg ) :
  54         new Packages::Page( $pkg );
  55     my ($short_desc, $version, $section, $subsection) = ("")x5;
  56
  57     my $st0 = new Benchmark;
  58     unless (@Packages::CGI::fatal_errors) {
  59         tie %packages_all, 'DB_File', "$DBDIR/packages_all_$suite.db",
  60         O_RDONLY, 0666, $DB_BTREE
  61             or die "couldn't tie DB $DBDIR/packages_all_$suite.db: $!";
  62         tie %sources_all, 'DB_File', "$DBDIR/sources_all_$suite.db",
  63         O_RDONLY, 0666, $DB_BTREE
  64             or die "couldn't tie DB $DBDIR/sources_all_$suite.db: $!";
  65
  66         unless ($opts->{source}) {
  67             read_entry_all( \%packages, $pkg, \@results, \@non_results, $opts );
  68         } else {
  69             read_src_entry_all( \%sources, $pkg, \@results, \@non_results, $opts );
  70         }
  71
  72         unless (@results || @non_results ) {
  73             fatal_error( $cat->g( "No such package.") );
  74             #sprintf( _g( '<a href="%s">Search for the package</a>' ), make_search_url('','keywords='.uri_escape($pkg)) ) );
  75         } else {
  76             my %all_suites;
  77             foreach (@results, @non_results) {
  78                 my $a = $_->[1];
  79                 my $s = $_->[2];
  80                 $all_suites{$s}++;
  81             }
  82             $contents{suites} = [ suites_sort(keys %all_suites) ];
  83
  84             unless (@results) {
  85                 fatal_error( $cat->g( "Package not available in this suite." ) );
  86             } else {
  87                 $contents{page} = $page;
  88                 unless ($opts->{source}) {
  89
  90                     for my $entry (@results) {
  91                         debug( join(":", @$entry), 1 ) if DEBUG;
  92                         my (undef, $archive, undef, $arch, $section, $subsection,
  93                             $priority, $version, undef, $provided_by) = @$entry;
  94
  95                         if ($arch ne 'virtual') {
  96                             my %data = split /\000/, $packages_all{"$pkg $arch $version"};
  97                             $data{package} = $pkg;
  98                             $data{architecture} = $arch;
  99                             $data{version} = $version;
 100                             $page->merge_package(\%data)
 101                                 or debug( "Merging $pkg $arch $version FAILED", 2 ) if DEBUG;
 102                         } else {
 103                             $page->add_provided_by([split /\s+/, $provided_by]);
 104                         }
 105                     }
 106
 107                     unless ($page->is_virtual()) {
 108                         $version = $page->{newest};
 109                         $contents{version} = $version;
 110                         my $source = $page->get_newest( 'source' );
 111                         $archive = $page->get_newest( 'archive' );
 112                         $contents{archive} = $archive;
 113
 114                         debug( "find source package: source=$source", 1) if DEBUG;
 115                         my $src_data = $sources_all{"$archive $suite $source"};
 116                         #FIXME: should be $main_archive or similar, not hardcoded "us"
 117                         $src_data = $sources_all{"us $suite $source"} unless $src_data;
 118                         $page->add_src_data( $source, $src_data )
 119                             if $src_data;
 120
 121                         my $st1 = new Benchmark;
 122                         my $std = timediff($st1, $st0);
 123                         debug( "Data search and merging took ".timestr($std) ) if DEBUG;
 124
 125                         my @similar = find_similar( $pkg, "$DBDIR/xapian/",
 126                                                     \%did2pkg );
 127                         $contents{similar} = \@similar;
 128
 129                         my $did = $page->get_newest( 'description' );
 130                         my $desc_md5 = $page->get_newest( 'description-md5' );
 131                         my @complete_tags = split(/, /, $page->get_newest( 'tag' )||'' );
 132                         my @tags;
 133                         foreach (@complete_tags) {
 134                             my ($facet, $tag) = split( /::/, $_, 2);
 135                             next if $facet =~ /^special/;
 136                             next if $tag =~ /^special:/;
 137                             push @tags, [ $facet, $tag ];
 138                         }
 139
 140                         $contents{tags} = \@tags;
 141                         $contents{debtags_voc} = \%debtags;
 142
 143                         $section = $page->get_newest( 'section' );
 144                         $contents{section} = $section;
 145                         $subsection = $page->get_newest( 'subsection' );
 146                         $contents{subsection} = $subsection;
 147
 148                         my $archives = $page->get_arch_field( 'archive' );
 149                         my $versions = $page->get_arch_field( 'version' );
 150                         my $sizes_inst = $page->get_arch_field( 'installed-size' );
 151                         my $sizes_deb = $page->get_arch_field( 'size' );
 152                         my @archs = sort $page->get_architectures;
 153
 154                         # process description
 155                         #
 156                         sub process_description {
 157                             my ($desc) = @_;
 158
 159                             my $short_desc = encode_entities( $1, "<>&\"" )
 160                                 if $desc =~ s/^(.*)$//m;
 161                             my $long_desc = encode_entities( $desc, "<>&\"" );
 162
 163                             $long_desc =~ s,((ftp|http|https)://[\S~-]+?/?)((\&gt\;)?[)]?[']?[:.\,]?(\s|$)),<a href=\"$1\">$1</a>$3,go; # syntax highlighting -> '];
 164                             $long_desc =~ s/\A //o;
 165                             $long_desc =~ s/\n /\n/sgo;
 166                             $long_desc =~ s/\n.\n/\n<p>\n/go;
 167                             $long_desc =~ s/(((\n|\A) [^\n]*)+)/\n<pre>$1\n<\/pre>/sgo;
 168
 169                             return ($short_desc, $long_desc);
 170                         }
 171
 172                         my $desc = $descriptions{$did};
 173                         my $long_desc;
 174                         ($short_desc, $long_desc) = process_description($desc);
 175
 176                         $contents{desc}{en} = { short => $short_desc,
 177                                                 long => $long_desc, };
 178
 179                         debug( "desc_md5=$desc_md5", 2)
 180                             if DEBUG;
 181                         my $trans_desc = $desctrans{$desc_md5};
 182                         if ($trans_desc) {
 183                             my %trans_desc = split /\000|\001/, $trans_desc;
 184                             my %all_langs = map { $_ => 1 } (@LANGUAGES, keys %trans_desc);
 185                             $contents{used_langs} = [ keys %all_langs ];
 186                             debug( "TRANSLATIONS: ".join(" ",keys %trans_desc), 2)
 187                                 if DEBUG;
 188                             while (my ($l, $d) = each %trans_desc) {
 189                                 my ($short_t, $long_t) = process_description($d);
 190
 191                                 $contents{desc}{$l} = { short => $short_t,
 192                                                         long => $long_t, };
 193                             }
 194                         }
 195
 196                         my $v_str = $version;
 197                         my $multiple_versions = grep { $_ ne $version } values %$versions;
 198                         $v_str .= $cat->g(" and others") if $multiple_versions;
 199                         $contents{versions} = { short => $v_str,
 200                                                 multiple => $multiple_versions };
 201
 202                         my $provided_by = $page->{provided_by};
 203                         $contents{providers} = [];
 204                         pkg_list( \%packages, $opts, $provided_by, $contents{providers} ) if $provided_by;
 205
 206                         #
 207                         # display dependencies
 208                         #
 209                         build_deps( \%packages, $opts, $pkg,
 210                                     $page->get_dep_field('pre-depends'),
 211                                     'depends', \%contents );
 212                         build_deps( \%packages, $opts, $pkg,
 213                                     $page->get_dep_field('depends'),
 214                                     'depends', \%contents );
 215                         build_deps( \%packages, $opts, $pkg,
 216                                     $page->get_dep_field('recommends'),
 217                                     'recommends', \%contents );
 218                         build_deps( \%packages, $opts, $pkg,
 219                                     $page->get_dep_field('suggests'),
 220                                     'suggests', \%contents );
 221
 222                         #
 223                         # Download package
 224                         #
 225                         my @downloads;
 226                         foreach my $a ( @archs ) {
 227                             my %d = ( arch => $a,
 228                                       pkgsize => floor(($sizes_deb->{$a}/102.4)+0.5)/10,
 229                                       instsize => $sizes_inst->{$a}, );
 230
 231                             $d{version} = $versions->{$a} if $multiple_versions;
 232                             $d{archive} = $archives->{$a};
 233                             if ( ($suite ne "experimental")
 234                                  && ($subsection ne 'debian-installer')
 235                                  && ($suite !~ /-(backports|updates)$/)
 236                                  && ($suite !~ /dapper/)) {
 237                                 $d{contents_avail} = 1;
 238                             }
 239                             push @downloads, \%d;
 240                         }
 241                         $contents{downloads} = \@downloads;
 242
 243                         #
 244                         # more information
 245                         #
 246                         moreinfo( name => $pkg, data => $page, vars => \%contents,
 247                                   opts => $opts,
 248                                   env => \%FTP_SITES,
 249                                   bugreports => 1, sourcedownload => 1,
 250                                   changesandcopy => 1, maintainers => 1,
 251                                   search => 1 );
 252                     } else { # unless $page->is_virtual
 253                         $contents{is_virtual} = 1;
 254                         $contents{desc}{short} = $cat->g( "virtual package" );
 255                         $contents{subsection} = 'virtual';
 256
 257                         my $provided_by = $page->{provided_by};
 258                         $contents{providers} = [];
 259                         pkg_list( \%packages, $opts, $provided_by, $contents{providers} );
 260
 261                     } # else (unless $page->is_virtual)
 262                 } else { # unless $opts->{source}
 263                     $contents{is_source} = 1;
 264
 265                     for my $entry (@results) {
 266                         debug( join(":", @$entry), 1 ) if DEBUG;
 267                         my (undef, $archive, undef, $section, $subsection,
 268                             $priority, $version) = @$entry;
 269
 270                         my $data = $sources_all{"$archive $suite $pkg"};
 271                         $page->merge_data($pkg, $suite, $archive, $data)
 272                             or debug( "Merging $pkg $version FAILED", 2 ) if DEBUG;
 273                     }
 274                     $version = $page->{version};
 275                     $contents{version} = $version;
 276
 277                     my $st1 = new Benchmark;
 278                     my $std = timediff($st1, $st0);
 279                     debug( "Data search and merging took ".timestr($std) ) if DEBUG;
 280
 281                     $archive = $page->get_newest( 'archive' );
 282                     $contents{archive} = $archive;
 283                     $section = $page->get_newest( 'section' );
 284                     $contents{section} = $section;
 285                     $subsection = $page->get_newest( 'subsection' );
 286                     $contents{subsection} = $subsection;
 287
 288                     my $binaries = find_binaries( $pkg, $archive, $suite, \%src2bin );
 289                     if ($binaries && @$binaries) {
 290                         $contents{binaries} = [];
 291                         pkg_list( \%packages, $opts, $binaries, $contents{binaries} );
 292                     }
 293
 294                     #
 295                     # display dependencies
 296                     #
 297                     build_deps( \%packages, $opts, $pkg,
 298                                 $page->get_dep_field('build-depends'),
 299                                 'build-depends', \%contents );
 300                     build_deps( \%packages, $opts, $pkg,
 301                                 $page->get_dep_field('build-depends-indep'),
 302                                 'build-depends-indep', \%contents );
 303
 304                     #
 305                     # Source package download
 306                     #
 307                     my $source_files = $page->get_src( 'files' );
 308                     my $source_dir = $page->get_src( 'directory' );
 309
 310                     $contents{srcfiles} = [];
 311                     foreach( @$source_files ) {
 312                         my ($src_file_md5, $src_file_size, $src_file_name)
 313                             = split /\s+/, $_;
 314                         my $server = $FTP_SITES{lc $archive}
 315                             || $FTP_SITES{us};
 316                         my $path = "/$source_dir/$src_file_name";
 317
 318                         push @{$contents{srcfiles}}, { server => $server, path => $path, filename => $src_file_name,
 319                                                        size => floor(($src_file_size/102.4)+0.5)/10,
 320                                                        md5sum => $src_file_md5 };
 321                     }
 322
 323                     #
 324                     # more information
 325                     #
 326                     moreinfo( name => $pkg, data => $page, vars => \%contents,
 327                               opts => $opts,
 328                               env => \%FTP_SITES,
 329                               bugreports => 1,
 330                               changesandcopy => 1, maintainers => 1,
 331                               search => 1, is_source => 1 );
 332
 333                 } # else (unless $opts->{source})
 334             } # else (unless @results)
 335         } # else (unless (@results || @non_results ))
 336     }
 337
 338 #    use Data::Dumper;
 339 #    debug( "Final page object:\n".Dumper(\%contents), 3 ) if DEBUG;
 340
 341     %$page_contents = %contents;
 342 }
 343
 344 sub moreinfo {
 345     my %info = @_;
 346
 347     my $name = $info{name} or return;
 348     my $env = $info{env} or return;
 349     my $opts = $info{opts} or return;
 350     my $page = $info{data} or return;
 351     my $contents = $info{vars} or return;
 352     my $is_source = $info{is_source};
 353     my $suite = $opts->{suite}[0];
 354
 355     my $source = $page->get_src( 'package' );
 356     my $source_version = $page->get_src( 'version' );
 357     my $src_dir = $page->get_src('directory');
 358     if ($info{sourcedownload}) {
 359         $contents->{src}{url} = make_url($source,'',{source=>'source'});
 360         $contents->{src}{pkg} = $source;
 361
 362         my @downloads;
 363         my $files = $page->get_src( 'files' );
 364         if (defined($files) and @$files) {
 365             foreach( @$files ) {
 366                 my ($src_file_md5, $src_file_size, $src_file_name) = split /\s/o, $_;
 367                 my ($server, $path);
 368                 $server = $env->{lc $page->get_newest('archive')}||$env->{us};
 369                 $path = "/$src_dir/$src_file_name";
 370                 push @downloads, { name => $src_file_name, server => $server, path => $path };
 371             }
 372         }
 373         $contents->{src}{downloads} = \@downloads;
 374     }
 375
 376     if ($info{changesandcopy}) {
 377         if ( $src_dir ) {
 378             (my $src_basename = $source_version) =~ s,^\d+:,,; # strip epoche
 379             $src_basename = "${source}_$src_basename";
 380             $src_dir =~ s,pool/updates,pool,o;
 381
 382             $contents->{files}{changelog}{path} = "$src_dir/$src_basename/changelog";
 383             $contents->{files}{copyright}{path} = "$src_dir/$src_basename/".( $is_source ? 'copyright' : "$name.copyright" );
 384         }
 385    }
 386
 387     if ($info{maintainers}) {
 388         my $uploaders = $page->get_src( 'uploaders' );
 389         if ($uploaders && @$uploaders) {
 390             my @maintainers = map { { name => $_->[0], mail => $_->[1] } } @$uploaders;
 391             $contents->{maintainers} = \@maintainers;
 392         }
 393     }
 394
 395 }
 396
 397 sub providers {
 398     my ($suite, $entry, $also) = @_;
 399     my %tmp = map { $_ => 1 } split /\s/, $entry;
 400     my @provided_by = keys %tmp; # weed out duplicates
 401     my %out = ( also => $also,
 402                 pkgs => \@provided_by );
 403     return \%out;
 404 }
 405
 406 sub build_deps {
 407     my ( $packages, $opts, $pkg, $relations, $type, $contents) = @_;
 408     my %dep_type = ('depends' => 'dep', 'recommends' => 'rec',
 409                     'suggests' => 'sug', 'build-depends' => 'adep',
 410                     'build-depends-indep' => 'idep' );
 411     my $suite = $opts->{suite}[0];
 412     my $cat = $opts->{cat};
 413
 414     my %out = ( id => $dep_type{$type}, terms => [] );
 415
 416 #    use Data::Dumper;
 417 #    debug( "print_deps called:\n".Dumper( $pkg, $relations, \$type ), 3 ) if DEBUG;
 418
 419     foreach my $rel (@$relations) {
 420         my %rel_out;
 421         $rel_out{is_old_pkgs} = $rel->[0];
 422         $rel_out{alternatives} = [];
 423
 424         foreach my $rel_alt ( @$rel ) {
 425             next unless ref($rel_alt);
 426             my ( $p_name, $pkg_version, $arch_neg,
 427                  $arch_str, $subsection, $available ) = @$rel_alt;
 428
 429             if ($arch_str ||= '') {
 430                 if ($arch_neg) {
 431                     $arch_str = $cat->g("not %s", "$arch_str" );
 432                 } else {
 433                     $arch_str = $arch_str;
 434                 }
 435             }
 436
 437             my %rel_alt_out = ( name => $p_name,
 438                                 version => $pkg_version,
 439                                 arch_str => $arch_str,
 440                                 arch_neg => $arch_neg );
 441
 442             my @results;
 443             my %entries;
 444             my $entry = $entries{$p_name} ||
 445                 read_entry_simple( $packages, $p_name, $opts->{h_archives}, $suite);
 446             my $short_desc = $entry->[-1];
 447             my $desc_md5 = $entry->[-2] || '';
 448             my $arch = $entry->[3];
 449             my $archive = $entry->[1];
 450             my $p_suite = $entry->[2];
 451             if ( $short_desc ) {
 452                 $rel_alt_out{desc} = $short_desc;
 453                 my $trans_desc = $desctrans{$desc_md5};
 454                 if ($trans_desc) {
 455                     my %trans_desc = split /\000|\001/, $trans_desc;
 456                     my %sdescs;
 457                     while (my ($l, $d) = each %trans_desc) {
 458                         $d =~ s/\n.*//os;
 459
 460                         $sdescs{$l} = $d;
 461                     }
 462                     $rel_alt_out{trans_desc} = \%sdescs;
 463                 }
 464                 $rel_alt_out{suite} = $p_suite;
 465                 if ( $rel_out{is_old_pkgs} ) {
 466                 } elsif (defined $entry->[1]) {
 467                     $entries{$p_name} ||= $entry;
 468                     $rel_alt_out{providers} = providers( $p_suite,
 469                                                         $entry->[0],
 470                                                         1 ) if defined $entry->[0];
 471                 } elsif (defined $entry->[0]) {
 472                     $rel_alt_out{desc} = undef;
 473                     $rel_alt_out{providers} = providers( $p_suite,
 474                                                         $entry->[0] );
 475                     #FIXME: we don't handle virtual packages from
 476                     # the fallback suite correctly here
 477                     $rel_alt_out{suite} = $suite;
 478                 }
 479             } elsif ( $rel_out{is_old_pkgs} ) {
 480             } else {
 481                 $rel_alt_out{desc} = $cat->g( "Package not available" );
 482                 $rel_alt_out{suite} = '';
 483             }
 484             push @{$rel_out{alternatives}}, \%rel_alt_out;
 485         }
 486
 487         push @{$out{terms}}, \%rel_out;
 488     }
 489
 490     $contents->{relations} ||= [];
 491     push @{$contents->{relations}}, \%out if @{$out{terms}};
 492 } # end print_deps
 493
 494 sub pkg_list {
 495     my ( $packages, $opts, $pkgs, $list ) = @_;
 496     my $suite = $opts->{suite}[0];
 497
 498     foreach my $p ( sort @$pkgs ) {
 499
 500         # we don't deal with virtual packages here because for the
 501         # current uses of this function this isn't needed
 502         my $data = read_entry_simple( $packages, $p, $opts->{h_archives}, $suite);
 503         my ($desc_md5, $short_desc) = ($data->[-2],$data->[-1]);
 504
 505         if ( $short_desc ) {
 506             my $trans_desc = $desctrans{$desc_md5};
 507             my %sdescs;
 508             if ($trans_desc) {
 509                 my %trans_desc = split /\000|\001/, $trans_desc;
 510                 while (my ($l, $d) = each %trans_desc) {
 511                     $d =~ s/\n.*//os;
 512
 513                     $sdescs{$l} = $d;
 514                 }
 515             }
 516             push @$list, { name => $p, desc => $short_desc,
 517                            trans_desc => \%sdescs, available => 1 };
 518         } else {
 519             push @$list, { name => $p,
 520                            desc => $opts->{cat}->g("Not available") };
 521         }
 522     }
 523 }
 524
 525
 526 1;
 527