Girocco/Project.pm

   1 package Girocco::Project;
   2
   3 use strict;
   4 use warnings;
   5
   6 BEGIN {
   7         use Girocco::CGI;
   8         use Girocco::User;
   9         use Girocco::Util;
  10         use Girocco::HashUtil;
  11         use Girocco::ProjPerm;
  12         use Girocco::Config;
  13         use base ('Girocco::ProjPerm::'.$Girocco::Config::permission_control); # mwahaha
  14 }
  15
  16 BEGIN {
  17         eval {
  18                 require Digest::SHA;
  19                 Digest::SHA->import(
  20                         qw(sha1_hex)
  21         );1} ||
  22         eval {
  23                 require Digest::SHA1;
  24                 Digest::SHA1->import(
  25                         qw(sha1_hex)
  26         );1} ||
  27         eval {
  28                 require Digest::SHA::PurePerl;
  29                 Digest::SHA::PurePerl->import(
  30                         qw(sha1_hex)
  31         );1} ||
  32         die "One of Digest::SHA or Digest::SHA1 or Digest::SHA::PurePerl "
  33         . "must be available\n";
  34 }
  35
  36 our $metadata_fields = {
  37         cleanmirror => ['Mirror refs', 'cleanmirror', 'placeholder'],
  38         homepage => ['Homepage URL', 'hp', 'text'],
  39         shortdesc => ['Short description', 'desc', 'text'],
  40         README => ['<span style="display:inline-block;vertical-align:top">'.
  41                 'README (HTML, &lt; 8 KiB)<br />leave blank for automatic</span>',
  42                 'README', 'textarea', 'Enter only &#x201c;<!-- comments -->&#x201d; '.
  43                 'to completely suppress any README'],
  44         notifymail => ['Commit notify &#x2013; mail to', 'notifymail', 'text',
  45                 'comma separated address list'],
  46         reverseorder => ['Show oldest first', 'reverseorder', 'checkbox',
  47                 'show new revisions in oldest to newest order (instead of the default newest to oldest older)'.
  48                 ' in &#x201c;Commit notify&#x201d; email when showing new revisions'],
  49         summaryonly => ['Summaries only', 'summaryonly', 'checkbox',
  50                 'suppress patch/diff output in &#x201c;Commit notify&#x201d; email when showing new revisions'],
  51         notifytag => ['Tag notify &#x2013; mail to', 'notifytag', 'text',
  52                 'comma separated address list &#x2013; if not empty, tag '.
  53                 'notifications are sent here INSTEAD of to '.
  54                 '&#x201c;Commit notify &#x2013; mail to&#x201d; address(es)'],
  55         notifyjson => ['Commit notify &#x2013; '.
  56                 '<a title="'.html_esc('single field name is &#x201c;payload&#x201d;', 1).'" href="'.
  57                 'https://developer.github.com/v3/activity/events/types/#pushevent'.
  58                 '">POST JSON</a> at', 'notifyjson', 'text'],
  59         notifycia =>  ['Commit notify &#x2013; <a href="http://cia.vc/doc/">CIA project</a> name',
  60                 'notifycia', 'text', 'CIA is defunct &#x2013; this value is ignored'],
  61 };
  62
  63 sub _mkdir_forkees {
  64         my $self = shift;
  65         my @pelems = split('/', $self->{name});
  66         pop @pelems; # do not create dir for the project itself
  67         my $path = $self->{base_path};
  68         foreach my $pelem (@pelems) {
  69                 $path .= "/$pelem";
  70                 (-d "$path") or mkdir $path or die "mkdir $path: $!";
  71                 chmod 02775, $path; # ok if fails (dir may already exist and be owned by someone else)
  72         }
  73 }
  74
  75 # With a leading ':' get from project local config replacing ':' with 'gitweb.'
  76 # With a leading '%' get from project local config after removing '%'
  77 # With a leading '!' get boolean from project local config after removing '!' (prefixed with 'gitweb.' if no '.')
  78 # With a leading [:%!] a trailing ':defval' may be added to select the default value to use if unset
  79 # Otherwise it's a project file name to be loaded
  80 # %propmapro entries are loaded but never written
  81 # %propmapromirror entries are loaded only for mirrors but never written
  82
  83 our %propmap = (
  84         url => ':baseurl',
  85         email => ':owner',
  86         desc => 'description',
  87         README => 'README.html',
  88         hp => ':homepage',
  89         notifymail => '%hooks.mailinglist',
  90         notifytag => '%hooks.announcelist',
  91         notifyjson => '%hooks.jsonurl',
  92         notifycia => '%hooks.cianame',
  93         cleanmirror => '!girocco.cleanmirror',
  94         statusupdates => '!statusupdates:1',
  95         reverseorder => '!hooks.reverseorder',
  96         summaryonly => '!hooks.summaryonly',
  97 );
  98
  99 our %propmapro = (
 100         lastchange => ':lastchange',
 101         lastactivity => 'info/lastactivity',
 102         lastgc => ':lastgc',
 103         lastreceive => ':lastreceive',
 104         lastparentgc => ':lastparentgc',
 105         lastrefresh => ':lastrefresh',
 106         creationtime => '%girocco.creationtime',
 107         reposizek => '%girocco.reposizek',
 108         notifyhook => '%girocco.notifyhook:undef',
 109         origurl => ':baseurl',
 110 );
 111
 112 our %propmapromirror = (
 113         bangcount => '%girocco.bang.count',
 114         bangfirstfail => '%girocco.bang.firstfail',
 115         bangmessagesent => '!girocco.bang.messagesent',
 116         showpush => '!showpush',
 117 );
 118
 119 # Projects with any of these names will be disallowed to avoid possible
 120 # collisions with cgi script paths or chroot paths
 121 # NOTE: names are checked after using lc on them, so all entries MUST be lowercase
 122 our %reservedprojectnames = (
 123         admin => 1,     # /admin/ links
 124         alternates => 1, # .git/objects/info/alternates
 125         b => 1,         # /b/ -> bundle.cgi
 126         blog => 1,      # /blog/ links
 127         c => 1,         # /c/ -> cgit
 128         'git-receive-pack' => 1, # smart HTTP
 129         'git-upload-archive' => 1, # smart HTTP
 130         'git-upload-pack' => 1, # smart HTTP
 131         h => 1,         # /h/ -> html.cgi
 132         head => 1,      # .git/HEAD
 133         'http-alternates' => 1, # .git/objects/info/http-alternates
 134         info => 1,      # .git/info
 135         objects => 1,   # .git/objects
 136         packs => 1,     # .git/objects/info/packs
 137         r => 1,         # /r/ -> git http
 138         refs => 1,      # .git/refs
 139         w => 1,         # /w/ -> gitweb
 140         wiki => 1,      # /wiki/ links
 141         srv => 1,       # /srv/git/ -> chroot ssh git repositories
 142 );
 143
 144 sub _update_index {
 145         my $self = shift;
 146         system("$Girocco::Config::basedir/gitweb/genindex.sh", $self->{name});
 147 }
 148
 149 sub _readlocalconfigfile {
 150         my $self = shift;
 151         my $undefonerr = shift || 0;
 152         delete $self->{configfilehash};
 153         my $confighash = read_config_file_hash($self->{path} . "/config");
 154         my $result = 1;
 155         defined($confighash) || $undefonerr or $result = 0, $confighash = {};
 156         return undef unless defined($confighash);
 157         $self->{configfilehash} = $confighash;
 158         return $result;
 159 }
 160
 161 # @_[0]: argument to convert to boolean result (0 or 1)
 162 # @_[1]: value to use if argument is undef (default is 0)
 163 # Returns 0 or 1
 164 sub _boolval {
 165         my ($val, $def) = @_;
 166         defined($def) or $def = 0;
 167         defined($val) or $val = $def;
 168         $val =~ s/\s+//gs;
 169         $val = lc($val);
 170         return 0 if $val eq '' || $val eq 'false' || $val eq 'off' || $val eq 'no' || $val =~ /^[-+]?0+$/;
 171         return 1;
 172 }
 173
 174 sub _property_path {
 175         my $self = shift;
 176         my ($name) = @_;
 177         $self->{path}.'/'.$name;
 178 }
 179
 180 sub _property_fget {
 181         my $self = shift;
 182         my ($name, $nodef) = @_;
 183         my $pname = $propmap{$name};
 184         $pname = $propmapro{$name} unless $pname;
 185         $pname = $propmapromirror{$name} unless $pname;
 186         $pname or die "unknown property: $name";
 187         if ($pname =~ /^([:%!])([^:]+)(:.*)?$/) {
 188                 my ($where, $pname, $defval) = ($1, lc($2), substr(($3||":"),1));
 189                 $defval = undef if $defval eq "undef";
 190                 $defval = '' if $nodef;
 191                 $self->_readlocalconfigfile
 192                         unless ref($self->{configfilehash}) eq 'HASH';
 193                 $pname = "gitweb." . $pname if $where eq ':' or $where eq '!' && $pname !~ /[.]/;
 194                 my $val = $self->{configfilehash}->{$pname};
 195                 defined($val) or $val = $defval;
 196                 chomp $val if defined($val);
 197                 $val = _boolval($val, $defval) if $where eq '!';
 198                 return $nodef && !exists($self->{configfilehash}->{$pname}) ? undef : $val;
 199         }
 200
 201         open my $p, '<', $self->_property_path($pname) or return undef;
 202         my @value = <$p>;
 203         close $p;
 204         my $value = join('', @value); chomp $value;
 205         $value;
 206 }
 207
 208 sub _prop_is_same {
 209         my $self = shift;
 210         my ($name, $value) = @_;
 211         my $existing = $self->_property_fget($name, 1);
 212         defined($value) or $value = '';
 213         return defined($existing) && $existing eq $value;
 214 }
 215
 216 sub _property_fput {
 217         my $self = shift;
 218         my ($name, $value, $nosetsame) = @_;
 219         my $pname = $propmap{$name};
 220         $pname or die "unknown property: $name";
 221         my $defval = '';
 222         ($pname, $defval) = ($1, substr(($2||":"),1)) if $pname =~ /^([:%!][^:]+)(:.*)?$/;
 223         defined($value) or $value = $defval;
 224         if ($pname =~ s/^://) {
 225                 return if $nosetsame && $self->_prop_is_same($name, $value);
 226                 system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', "gitweb.$pname", $value);
 227                 return;
 228         } elsif ($pname =~ s/^%//) {
 229                 return if $nosetsame && $self->_prop_is_same($name, $value);
 230                 system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', $pname, $value);
 231                 return;
 232         } elsif ($pname =~ s/^!//) {
 233                 $pname = "gitweb." . $pname unless $pname =~ /[.]/;
 234                 $value = _boolval($value, $defval);
 235                 return if $nosetsame && $self->_prop_is_same($name, $value);
 236                 system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', '--bool', $pname, $value);
 237                 return;
 238         }
 239
 240         my $P = lock_file($self->_property_path($pname));
 241         chomp $value;
 242         $value ne '' and print $P "$value\n";
 243         close $P;
 244         unlock_file($self->_property_path($pname));
 245 }
 246
 247 sub _cleanup_readme {
 248         my $self = shift;
 249         defined($self->{README}) or $self->{README} = '';
 250         $self->{README} =~ s/\r\n?/\n/gs;
 251         $self->{README} =~ s/^\s+//s;
 252         $self->{README} =~ s/\s+$//s;
 253         $self->{README} eq '' or $self->{README} .= "\n";
 254 }
 255
 256 sub _lint_readme {
 257         my $self = shift;
 258         my $htmlfrag = shift;
 259         defined($htmlfrag) or $htmlfrag = 1;
 260         return 0 unless defined($self->{README}) && $self->{README} ne '';
 261         my $test = '<html xmlns="http://www.w3.org/1999/xhtml"><body><div>';
 262         $test .= $self->{README};
 263         $test .= '</div></body></html>';
 264         my ($code, $errors) = capture_command(2, $test, 'xmllint', '--nonet',
 265                 '--noout', '--nowarning', '-');
 266         return 0 unless $code;
 267         my $cnt = 0;
 268         my @errs = ();
 269         for my $line (split(/\n+/, $errors)) {
 270                 $line = html_esc($line) if $htmlfrag;
 271                 $line =~ s/ /\&#160;/gs if $htmlfrag;
 272                 ++$cnt, $line = 'README'.$1 if $line =~ /^-(:\d+:.*)$/;
 273                 if ($htmlfrag) {
 274                         push @errs, '<tt>' . $line . '</tt>';
 275                 } else {
 276                         push @errs, $line . "\n";
 277                 }
 278         }
 279         if ($htmlfrag) {
 280                 return ($cnt, join("<br />\n", @errs));
 281         } else {
 282                 return ($cnt, join("", @errs));
 283         }
 284 }
 285
 286 sub _properties_load {
 287         my $self = shift;
 288         my $setprop = sub {
 289                 my $propval = $self->_property_fget($_);
 290                 defined($propval) and $self->{$_} = $propval;
 291         };
 292         &$setprop foreach keys %propmap;
 293         &$setprop foreach keys %propmapro;
 294         do {&$setprop foreach keys %propmapromirror} if $self->{mirror};
 295         $self->_readlocalconfigfile
 296                 unless ref($self->{configfilehash}) eq 'HASH';
 297         delete $self->{auth};
 298         my $val = $self->{configfilehash}->{'gitweb.repoauth'};
 299         defined($val) or $val = '';
 300         chomp $val;
 301         if ($val =~ /^# ([A-Z]+)AUTH ([0-9a-f]+) (\d+)/) {
 302                 my $expire = $3;
 303                 if (time < $expire) {
 304                         $self->{authtype} = $1;
 305                         $self->{auth} = $2;
 306                 }
 307         }
 308         if ($Girocco::Config::autogchack && ($self->{mirror} || $Girocco::Config::autogchack ne "mirror")) {
 309                 if (defined($self->{configfilehash}->{'girocco.autogchack'})) {
 310                         $self->{autogchack} = _boolval($self->{configfilehash}->{'girocco.autogchack'});
 311                 }
 312         }
 313         $self->_cleanup_readme;
 314         delete $self->{configfilehash};
 315 }
 316
 317 sub _set_bangagain {
 318         my $self = shift;
 319         my $fd;
 320         if ($self->{mirror} && defined($self->{origurl}) && $self->{url} &&
 321             $self->{origurl} ne $self->{url} && -e $self->_banged_path) {
 322                 if (open($fd, '>', $self->_bangagain_path)) {
 323                         close $fd;
 324                         chmod(0664, $self->_bangagain_path);
 325                 }
 326         }
 327 }
 328
 329 sub _properties_save {
 330         my $self = shift;
 331         delete $self->{configfilehash};
 332         foreach my $prop (keys %propmap) {
 333                 $self->_property_fput($prop, $self->{$prop}, 1);
 334         }
 335         $self->_set_bangagain;
 336 }
 337
 338 sub _nofetch_path {
 339         my $self = shift;
 340         $self->_property_path('.nofetch');
 341 }
 342
 343 sub _nofetch {
 344         my $self = shift;
 345         my ($nofetch) = @_;
 346         my $nf = $self->_nofetch_path;
 347         if ($nofetch) {
 348                 open my $x, '>', $nf or die "nofetch failed: $!";
 349                 close $x;
 350         } else {
 351                 ! -e $nf or unlink $nf or die "yesfetch failed: $!";
 352         }
 353 }
 354
 355 sub _banged_path {
 356         my $self = shift;
 357         $self->_property_path('.banged');
 358 }
 359
 360 sub _bangagain_path {
 361         my $self = shift;
 362         $self->_property_path('.bangagain');
 363 }
 364
 365 sub _gcp_path {
 366         my $self = shift;
 367         $self->_property_path('.gc_in_progress');
 368 }
 369
 370 sub _clonelog_path {
 371         my $self = shift;
 372         $self->_property_path('.clonelog');
 373 }
 374
 375 sub _clonefail_path {
 376         my $self = shift;
 377         $self->_property_path('.clone_failed');
 378 }
 379
 380 sub _clonep_path {
 381         my $self = shift;
 382         $self->_property_path('.clone_in_progress');
 383 }
 384
 385 sub _clonep {
 386         my $self = shift;
 387         my ($nofetch) = @_;
 388         my $np = $self->_clonep_path;
 389         if ($nofetch) {
 390                 open my $x, '>', $np or die "clonep failed: $!";
 391                 close $x;
 392         } else {
 393                 unlink $np or die "clonef failed: $!";
 394         }
 395 }
 396 sub _alternates_setup {
 397         use POSIX qw(:fcntl_h);
 398         my $self = shift;
 399         return unless $self->{name} =~ m#/#;
 400         my $forkee_name = get_forkee_name($self->{name});
 401         my $forkee_path = get_forkee_path($self->{name});
 402         return unless -d $forkee_path;
 403         mkdir $self->{path}.'/refs'; chmod 02775, $self->{path}.'/refs';
 404         mkdir $self->{path}.'/objects'; chmod 02775, $self->{path}.'/objects';
 405         mkdir $self->{path}.'/objects/info'; chmod 02775, $self->{path}.'/objects/info';
 406         mkdir $self->{path}.'/objects/pack'; chmod 02775, $self->{path}.'/objects/pack';
 407
 408         # If somehow either our objects/pack or the prospective alternate's pack
 409         # directory does not exist decline to set up any alternates
 410         my $altpath = "$forkee_path/objects";
 411         -d $self->{path}.'/objects/pack' && -d $altpath.'/pack' or return;
 412
 413         # If our objects/pack and the prospective alternate's pack directory
 414         # do not share the same device then decline to set up any alternates
 415         my ($selfdev) = stat($self->{path}.'/objects/pack');
 416         my ($altdev) = stat($altpath.'/pack');
 417         defined($selfdev) && defined($altdev) && $selfdev ne "" && $altdev ne "" && $selfdev == $altdev or return;
 418
 419         # We set up both alternates and http_alternates since we cannot use
 420         # relative path in alternates - that doesn't work recursively.
 421
 422         my $filename = $self->{path}.'/objects/info/alternates';
 423         open my $x, '>', $filename or die "alternates failed: $!";
 424         print $x "$altpath\n";
 425         close $x;
 426         chmod 0664, $filename or warn "cannot chmod $filename: $!";
 427
 428         if ($Girocco::Config::httppullurl) {
 429                 $filename = $self->{path}.'/objects/info/http-alternates';
 430                 open my $x, '>', $filename or die "http-alternates failed: $!";
 431                 my $upfork = $forkee_name;
 432                 do { print $x "$Girocco::Config::httppullurl/$upfork.git/objects\n"; } while ($upfork =~ s#/?.+?$## and $upfork); #
 433                 close $x;
 434                 chmod 0664, $filename or warn "cannot chmod $filename: $!";
 435         }
 436
 437         # copy lastactivity from the parent project
 438         if (open $x, '<', $forkee_path.'/info/lastactivity') {{
 439                 my $activity = <$x>;
 440                 close $x;
 441                 last unless $activity;
 442                 open $x, '>', $self->{path}.'/info/lastactivity' or last;
 443                 print $x $activity;
 444                 close $x;
 445                 chomp $activity;
 446                 $self->{'lastactivity'} = $activity;
 447         }}
 448
 449         # copy refs from parent project
 450         my $dupout;
 451         open $dupout, '>&1' or
 452                 die "could not dup STDOUT_FILENO: $!";
 453         my $packedrefsfd = POSIX::open("$self->{path}/packed-refs", O_WRONLY|O_TRUNC|O_CREAT, 0664);
 454         defined($packedrefsfd) && $packedrefsfd >= 0 or die "could not open fork's packed-refs file for writing: $!";
 455         POSIX::dup2($packedrefsfd, 1) or
 456                 die "could not dup2 STDOUT_FILENO: $!";
 457         POSIX::close($packedrefsfd);
 458         my $result = system($Girocco::Config::git_bin, "--git-dir=$forkee_path", 'for-each-ref', '--format=%(objectname) %(refname)');
 459         my $resultstr = $!;
 460         POSIX::dup2(fileno($dupout), 1);
 461         close($dupout);
 462         $result == 0 or die "could not create fork's packed-refs file data: $resultstr";
 463         unlink("$self->{path}/.delaygc") if -s "$self->{path}/packed-refs";
 464
 465         # initialize HEAD
 466         my $HEAD = get_git("--git-dir=$forkee_path", 'symbolic-ref', 'HEAD');
 467         defined($HEAD) && $HEAD =~ m,^refs/heads/., or $HEAD = 'refs/heads/master';
 468         chomp $HEAD;
 469         system($Girocco::Config::git_bin, "--git-dir=$self->{path}", 'symbolic-ref', 'HEAD', $HEAD);
 470         chmod 0664, "$self->{path}/packed-refs", "$self->{path}/HEAD";
 471 }
 472
 473 sub _set_changed {
 474         my $self = shift;
 475         my $fd;
 476         open $fd, '>', "$self->{path}/htmlcache/changed" and close $fd;
 477 }
 478
 479 sub _set_forkchange {
 480         my $self = shift;
 481         my $changedtoo = shift;
 482         return unless $self->{name} =~ m#/#;
 483         my $forkee_path = get_forkee_path($self->{name});
 484         return unless -d $forkee_path;
 485         # mark forkee as changed
 486         my $fd;
 487         open $fd, '>', $forkee_path.'/htmlcache/changed' and close $fd if $changedtoo;
 488         open $fd, '>', $forkee_path.'/htmlcache/forkchange' and close $fd;
 489         return if -e $forkee_path.'/htmlcache/summary.forkchange';
 490         open $fd, '>', $forkee_path.'/htmlcache/summary.forkchange' and close $fd;
 491 }
 492
 493 sub _ctags_setup {
 494         my $self = shift;
 495         my $perms = $Girocco::Config::permission_control eq 'Hooks' ? 02777 : 02775;
 496         mkdir $self->{path}.'/ctags'; chmod $perms, $self->{path}.'/ctags';
 497 }
 498
 499 sub _group_add {
 500         my $self = shift;
 501         my ($xtra) = @_;
 502         $xtra .= join(',', @{$self->{users}});
 503         my $crypt = $self->{crypt};
 504         defined($crypt) or $crypt = 'unknown';
 505         filedb_atomic_append(jailed_file('/etc/group'),
 506                 join(':', $self->{name}, $crypt, '\i', $xtra));
 507 }
 508
 509 sub _group_update {
 510         my $self = shift;
 511         my $xtra = join(',', @{$self->{users}});
 512         filedb_atomic_edit(jailed_file('/etc/group'),
 513                 sub {
 514                         $_ = $_[0];
 515                         chomp;
 516                         if ($self->{name} eq (split /:/)[0]) {
 517                                 # preserve readonly flag
 518                                 s/::([^:]*)$/:$1/ and $xtra = ":$xtra";
 519                                 return join(':', $self->{name}, $self->{crypt}, $self->{gid}, $xtra)."\n";
 520                         } else {
 521                                 return "$_\n";
 522                         }
 523                 }
 524         );
 525 }
 526
 527 sub _group_remove {
 528         my $self = shift;
 529         filedb_atomic_edit(jailed_file('/etc/group'),
 530                 sub {
 531                         $self->{name} ne (split /:/)[0] and return $_;
 532                 }
 533         );
 534 }
 535
 536 sub _hook_path {
 537         my $self = shift;
 538         my ($name) = @_;
 539         $self->{path}.'/hooks/'.$name;
 540 }
 541
 542 sub _hook_install {
 543         my $self = shift;
 544         my ($name) = @_;
 545         my $hooksdir = $self->{path}.'/hooks';
 546         my $oldmask = umask();
 547         umask($oldmask & ~0070);
 548         -d $hooksdir or mkdir $hooksdir or
 549           die "hooks directory does not exist and unable to create it for project " . $self->{name} . ": $!";
 550         umask($oldmask);
 551         my $globalhooks = $Girocco::Config::reporoot . "/_global/hooks";
 552         -f "$globalhooks/$name" && -r _ or die "cannot find hook $name: $!";
 553         ! -e $self->_hook_path($name) || unlink($self->_hook_path($name)) && ! -e $self->_hook_path($name) or
 554           die "hooks directory contains unremovable pre-existing hook $name: $!";
 555         symlink("$globalhooks/$name", $self->_hook_path($name)) or
 556           die "cannot create hook $name symlink: $!";
 557 }
 558
 559 sub _hooks_install {
 560         my $self = shift;
 561         foreach my $hook ('pre-auto-gc', 'pre-receive', 'post-commit', 'post-receive', 'update') {
 562                 $self->_hook_install($hook);
 563         }
 564 }
 565
 566 # private constructor, do not use
 567 sub _new {
 568         my $class = shift;
 569         my ($name, $base_path, $path, $orphan, $optp) = @_;
 570         does_exist($name,1) || valid_name($name, $orphan, $optp) or die "refusing to create project with invalid name ($name)!";
 571         $path ||= "$base_path/$name.git";
 572         my $proj = { name => $name, base_path => $base_path, path => $path };
 573
 574         bless $proj, $class;
 575 }
 576
 577 # public constructor #0
 578 # creates a virtual project not connected to disk image
 579 # you can conjure() it later to disk
 580 sub ghost {
 581         my $class = shift;
 582         my ($name, $mirror, $orphan, $optp) = @_;
 583         my $self = $class->_new($name, $Girocco::Config::reporoot, undef, $orphan, $optp);
 584         $self->{users} = [];
 585         $self->{mirror} = $mirror;
 586         $self->{email} = $self->{orig_email} = '';
 587         $self;
 588 }
 589
 590 # public constructor #1
 591 sub load {
 592         my $class = shift;
 593         my $name = shift || '';
 594
 595         open my $fd, '<', jailed_file("/etc/group") or die "project load failed: $!";
 596         my $r = qr/^\Q$name\E:/;
 597         foreach (grep /$r/, <$fd>) {
 598                 chomp;
 599
 600                 my $self = $class->_new($name, $Girocco::Config::reporoot);
 601                 (-d $self->{path} && $self->_readlocalconfigfile(1))
 602                         or die "invalid path (".$self->{path}.") for project ".$self->{name};
 603
 604                 my $ulist;
 605                 (undef, $self->{crypt}, $self->{gid}, $ulist) = split /:/;
 606                 $ulist ||= '';
 607                 $self->{users} = [split /,/, $ulist];
 608                 $self->{HEAD} = $self->get_HEAD;
 609                 $self->{orig_HEAD} = $self->{HEAD};
 610                 $self->{orig_users} = [@{$self->{users}}];
 611                 $self->{mirror} = ! -e $self->_nofetch_path;
 612                 $self->{banged} = -e $self->_banged_path if $self->{mirror};
 613                 $self->{gc_in_progress} = -e $self->_gcp_path;
 614                 $self->{clone_in_progress} = -e $self->_clonep_path;
 615                 $self->{clone_logged} = -e $self->_clonelog_path;
 616                 $self->{clone_failed} = -e $self->_clonefail_path;
 617                 $self->{ccrypt} = $self->{crypt};
 618
 619                 $self->_properties_load;
 620                 $self->{orig_email} = $self->{email};
 621                 $self->{loaded} = 1; # indicates self was loaded from etc/group file
 622                 close $fd;
 623                 return $self;
 624         }
 625         close $fd;
 626         undef;
 627 }
 628
 629 # $proj may not be in sane state if this returns false!
 630 # fields listed in %$metadata_fields that are NOT also
 631 # in @Girocco::Config::project_fields are totally ignored!
 632 sub cgi_fill {
 633         my $self = shift;
 634         my ($gcgi) = @_;
 635         my $cgi = $gcgi->cgi;
 636         my %allowedfields = map({$_ => 1} @Girocco::Config::project_fields);
 637         my $field_enabled = sub {
 638                 !exists($metadata_fields->{$_[0]}) || exists($allowedfields{$_[0]})};
 639
 640         my $pwd = $cgi->param('pwd');
 641         my $pwd2 = $cgi->param('pwd2');
 642         # in case passwords are disabled
 643         defined($pwd) or $pwd = ''; defined($pwd2) or $pwd2 = '';
 644         if ($Girocco::Config::project_passwords and not $self->{crypt} and $pwd eq '' and $pwd2 eq '') {
 645                 $gcgi->err("Empty passwords are not permitted.");
 646         }
 647         if ($pwd ne '' or not $self->{crypt}) {
 648                 $self->{crypt} = scrypt_sha1($pwd);
 649         }
 650         if (($pwd ne '' || $pwd2 ne '') and $pwd ne $pwd2) {
 651                 $gcgi->err("Our high-paid security consultants have determined that the admin passwords you have entered do not match each other.");
 652         }
 653
 654         $self->{cpwd} = $cgi->param('cpwd');
 655
 656         my ($forkee,$project) = ($self->{name} =~ m#^(.*/)?([^/]+)$#);
 657         my $newtype = $forkee ? 'fork' : 'project';
 658         length($project) <= 64
 659                 or $gcgi->err("The $newtype name is longer than 64 characters. Do you really need that much?");
 660
 661         if ($Girocco::Config::project_owners eq 'email') {
 662                 $self->{email} = $gcgi->wparam('email');
 663                 valid_email($self->{email})
 664                         or $gcgi->err("Your email sure looks weird...?");
 665                 length($self->{email}) <= 96
 666                         or $gcgi->err("Your email is longer than 96 characters. Do you really need that much?");
 667         }
 668
 669         # No setting the url unless we're either new or an existing mirror!
 670         unless ($self->{loaded} && !$self->{mirror}) {
 671                 $self->{url} = $gcgi->wparam('url') ;
 672                 if ($field_enabled->('cleanmirror')) {
 673                         $self->{cleanmirror} = $gcgi->wparam('cleanmirror') || 0;
 674                 }
 675         }
 676         # Always validate the url if we're an existing mirror
 677         if ((defined($self->{url}) && $self->{url} ne '') || ($self->{loaded} && $self->{mirror})) {{
 678                 # Always allow the url to be left unchanged without validation when editing
 679                 last if $self->{loaded} && defined($self->{origurl}) && defined($self->{url}) && $self->{origurl} eq $self->{url};
 680                 valid_repo_url($self->{url})
 681                         or $gcgi->err("Invalid URL. Note that only HTTP and Git protocols are supported. If the URL contains funny characters, contact me.");
 682                 if ($Girocco::Config::restrict_mirror_hosts) {
 683                         my $mh = extract_url_hostname($self->{url});
 684                         is_dns_hostname($mh)
 685                                 or $gcgi->err("Invalid URL. Note that only DNS names are allowed, not IP addresses.");
 686                         !is_our_hostname($mh)
 687                                 or $gcgi->err("Invalid URL. Mirrors from this host are not allowed, please create a fork instead.");
 688                 }}
 689         }
 690
 691         if ($field_enabled->('desc')) {
 692                 $self->{desc} = to_utf8($gcgi->wparam('desc'), 1);
 693                 length($self->{desc}) <= 1024
 694                         or $gcgi->err("<b>Short</b> description length &gt; 1kb!");
 695         }
 696
 697         if ($field_enabled->('README')) {
 698                 $self->{README} = to_utf8($gcgi->wparam('README'), 1);
 699                 $self->_cleanup_readme;
 700                 length($self->{README}) <= 8192
 701                         or $gcgi->err("README length &gt; 8kb!");
 702                 my ($cnt, $err) = (0);
 703                 ($cnt, $err) = $self->_lint_readme if $gcgi->ok && $Girocco::Config::xmllint_readme;
 704                 $gcgi->err($err), $gcgi->{err} += $cnt-1 if $cnt;
 705         }
 706
 707         if ($field_enabled->('hp')) {
 708                 $self->{hp} = $gcgi->wparam('hp');
 709                 if ($self->{hp}) {
 710                         valid_web_url($self->{hp})
 711                                 or $gcgi->err("Invalid homepage URL. Note that only HTTP protocol is supported. If the URL contains funny characters, contact me.");
 712                 }
 713         }
 714
 715         # No mucking about with users unless we're a push project
 716         if (($self->{loaded} && !$self->{mirror}) ||
 717             (!$self->{loaded} && (!defined($self->{url}) || $self->{url} eq ''))) {
 718                 my %users = ();
 719                 my @users = ();
 720                 foreach my $user ($cgi->multi_param('user')) {
 721                         if (!exists($users{$user})) {
 722                                 $users{$user} = 1;
 723                                 push(@users, $user) if Girocco::User::does_exist($user, 1);
 724                         }
 725                 }
 726                 $self->{users} = \@users;
 727         }
 728
 729         # HEAD can only be set with editproj, NOT regproj (regproj sets it automatically)
 730         # It may ALWAYS be set to what it was (even if there's no such refs/heads/...)
 731         my $newhead;
 732         if (defined($self->{orig_HEAD}) && $self->{orig_HEAD} ne '' &&
 733             defined($newhead = $cgi->param('HEAD')) && $newhead ne '') {
 734                 if ($newhead eq $self->{orig_HEAD} ||
 735                     get_git("--git-dir=$self->{path}", 'rev-parse', '--verify', '--quiet', 'refs/heads/'.$newhead)) {
 736                         $self->{HEAD} = $newhead;
 737                 } else {
 738                         $gcgi->err("Invalid default branch (no such ref)");
 739                 }
 740         }
 741
 742         # schedule deletion of tags (will be committed by update() after auth)
 743         $self->{tags_to_delete} = [$cgi->multi_param('tags')];
 744
 745         if ($field_enabled->('notifymail')) {
 746                 my $newaddrs = clean_email_multi($gcgi->wparam('notifymail'));
 747                 if ($newaddrs eq "" or (valid_email_multi($newaddrs) and length($newaddrs) <= 512)) {
 748                         $self->{notifymail} = $newaddrs;
 749                 } else {
 750                         $gcgi->err("Invalid notify e-mail address. Use mail,mail to specify multiple addresses; total length must not exceed 512 characters, however.");
 751                 }
 752                 if ($field_enabled->('reverseorder')) {
 753                         $self->{reverseorder} = $gcgi->wparam('reverseorder') || 0;
 754                 }
 755                 if ($field_enabled->('summaryonly')) {
 756                         $self->{summaryonly} = $gcgi->wparam('summaryonly') || 0;
 757                 }
 758         }
 759
 760         if ($field_enabled->('notifytag')) {
 761                 my $newaddrs = clean_email_multi($gcgi->wparam('notifytag'));
 762                 if ($newaddrs eq "" or (valid_email_multi($newaddrs) and length($newaddrs) <= 512)) {
 763                         $self->{notifytag} = $newaddrs;
 764                 } else {
 765                         $gcgi->err("Invalid notify e-mail address. Use mail,mail to specify multiple addresses; total length must not exceed 512 characters, however.");
 766                 }
 767         }
 768
 769         if ($field_enabled->('notifyjson')) {
 770                 $self->{notifyjson} = $gcgi->wparam('notifyjson');
 771                 if ($self->{notifyjson}) {
 772                         valid_web_url($self->{notifyjson})
 773                                 or $gcgi->err("Invalid JSON notify URL. Note that only HTTP protocol is supported. If the URL contains funny characters, contact me.");
 774                 }
 775         }
 776
 777         if ($field_enabled->('notifycia')) {
 778                 $self->{notifycia} = $gcgi->wparam('notifycia');
 779                 if ($self->{notifycia}) {
 780                         $self->{notifycia} =~ /^[a-zA-Z0-9._-]+$/
 781                                 or $gcgi->err("Overly suspicious CIA notify project name. If it's actually valid, don't contact me, CIA is defunct.");
 782                 }
 783         }
 784
 785         if ($cgi->param('setstatusupdates')) {
 786                 my $val = $gcgi->wparam('statusupdates') || '0';
 787                 $self->{statusupdates} = $val ? 1 : 0;
 788         }
 789
 790         not $gcgi->err_check;
 791 }
 792
 793 sub form_defaults {
 794         my $self = shift;
 795         (
 796                 name => $self->{name},
 797                 email => $self->{email},
 798                 url => $self->{url},
 799                 cleanmirror => $self->{cleanmirror},
 800                 desc => html_esc($self->{desc}),
 801                 README => html_esc($self->{README}),
 802                 hp => $self->{hp},
 803                 users => $self->{users},
 804                 notifymail => html_esc($self->{notifymail}),
 805                 reverseorder => $self->{reverseorder},
 806                 summaryonly => $self->{summaryonly},
 807                 notifytag => html_esc($self->{notifytag}),
 808                 notifyjson => html_esc($self->{notifyjson}),
 809                 notifycia => html_esc($self->{notifycia}),
 810         );
 811 }
 812
 813 # return true if $enc_passwd is a match for $plain_passwd
 814 my $_check_passwd_match = sub {
 815         my $enc_passwd = shift;
 816         my $plain_passwd = shift;
 817         defined($enc_passwd) or $enc_passwd = '';
 818         defined($plain_passwd) or $plain_passwd = '';
 819         # $enc_passwd may be crypt or crypt_sha1
 820         if ($enc_passwd =~ m(^\$sha1\$(\d+)\$([./0-9A-Za-z]{1,64})\$[./0-9A-Za-z]{28}$)) {
 821                 # It's using sha1-crypt
 822                 return $enc_passwd eq crypt_sha1($plain_passwd, $2, -(0+$1));
 823         } else {
 824                 # It's using crypt
 825                 return $enc_passwd eq crypt($plain_passwd, $enc_passwd);
 826         }
 827 };
 828
 829 sub authenticate {
 830         my $self = shift;
 831         my ($gcgi) = @_;
 832
 833         $self->{ccrypt} or die "Can't authenticate against a project with no password";
 834         defined($self->{cpwd}) or $self->{cpwd} = '';
 835         unless ($_check_passwd_match->($self->{ccrypt}, $self->{cpwd})) {
 836                 $gcgi->err("Your admin password does not match!");
 837                 return 0;
 838         }
 839         return 1;
 840 }
 841
 842 # return true if the password from the file is empty or consists of all the same
 843 # character.  However, if the project was NOT loaded from the group file
 844 # (!self->{loaded}) then the password is never locked.
 845 # This function does NOT check $Girocco::Config::project_passwords, the caller
 846 # is responsible for doing so if desired.  Same for $self->{email}.
 847 sub is_password_locked {
 848         my $self = shift;
 849
 850         $self->{loaded} or return 0;
 851         my $testcrypt = $self->{ccrypt}; # The value from the group file
 852         defined($testcrypt) or $testcrypt = '';
 853         $testcrypt ne '' or return 1; # No password at all
 854         $testcrypt =~ /^(.)\1*$/ and return 1; # Bogus crypt value
 855         return 0; # Not locked
 856 }
 857
 858 sub _setup {
 859         use POSIX qw(strftime);
 860         my $self = shift;
 861         my ($pushers) = @_;
 862         my $fd;
 863
 864         defined($self->{path}) && $self->{path} ne "" or die "invalid setup call";
 865         $self->_mkdir_forkees unless $self->{adopt};
 866
 867         my $gid;
 868         $self->{adopt} || mkdir($self->{path}) or die "mkdir $self->{path} failed: $!";
 869         -d $self->{path} or die "unable to setup nonexistent $self->{path}";
 870         if ($Girocco::Config::owning_group) {
 871                 $gid = scalar(getgrnam($Girocco::Config::owning_group));
 872                 chown(-1, $gid, $self->{path}) or die "chgrp $gid $self->{path} failed: $!";
 873                 chmod(02775, $self->{path}) or die "chmod 02775 $self->{path} failed: $!";
 874         } else {
 875                 chmod(02777, $self->{path}) or die "chmod 02777 $self->{path} failed: $!";
 876         }
 877         delete $ENV{GIT_OBJECT_DIRECTORY};
 878         $ENV{'GIT_TEMPLATE_DIR'} = $Girocco::Config::chroot.'/var/empty';
 879         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'init', '--quiet', '--bare', '--shared='.$self->shared_mode()) == 0
 880                 or die "git init $self->{path} failed: $?";
 881         # we don't need these two, remove them (they will normally be created empty) if they exist
 882         rmdir $self->{path}."/branches";
 883         rmdir $self->{path}."/remotes";
 884         -d $self->{path}."/info" or mkdir $self->{path}."/info"
 885                 or die "info directory does not exist and unable to create it: $!";
 886         -d $self->{path}."/hooks" or mkdir $self->{path}."/hooks"
 887                 or die "hooks directory does not exist and unable to create it: $!";
 888         # clean out any kruft that may have come in from the initial template directory
 889         foreach my $cleandir (qw(hooks info)) {
 890                 if (opendir my $hooksdir, $self->{path}.'/'.$cleandir) {
 891                         unlink map "$self->{path}/$_", grep { $_ ne '.' && $_ ne '..' } readdir $hooksdir;
 892                         closedir $hooksdir;
 893                 }
 894         }
 895         if ($Girocco::Config::owning_group) {
 896                 chown(-1, $gid, $self->{path}."/hooks") or die "chgrp $gid $self->{path}/hooks failed: $!";
 897         }
 898         # hooks never world writable
 899         chmod 02775, $self->{path}."/hooks" or die "chmod 02775 $self->{path}/hooks failed: $!";
 900         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'core.compression', '5') == 0
 901                 or die "setting core.compression failed: $?";
 902         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'core.logAllRefUpdates', 'false') == 0
 903                 or die "disabling core.logAllRefUpdates failed: $?";
 904         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'core.ignoreCase', 'false') == 0
 905                 or die "disabling core.ignoreCase failed: $?";
 906         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'core.hooksPath',
 907                 ($Girocco::Config::localhooks ? $self->{path}."/hooks" : $Girocco::Config::reporoot . "/_global/hooks")) == 0
 908                 or die "setting core.hooksPath failed: $?";
 909         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'extensions.preciousObjects', 'true') == 0
 910                 or die "setting extensions.preciousObjects failed: $?";
 911         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'transfer.fsckObjects', 'true') == 0
 912                 or die "enabling transfer.fsckObjects failed: $?";
 913         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'transfer.unpackLimit', '1') == 0
 914                 or die "setting transfer.unpackLimit failed: $?";
 915         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'receive.fsckObjects', 'true') == 0
 916                 or die "enabling receive.fsckObjects failed: $?";
 917         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'receive.denyNonFastForwards', 'false') == 0
 918                 or die "disabling receive.denyNonFastForwards failed: $?";
 919         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'receive.denyDeleteCurrent', 'warn') == 0
 920                 or die "disabling receive.denyDeleteCurrent failed: $?";
 921         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'receive.autogc', '0') == 0
 922                 or die "disabling receive.autogc failed: $?";
 923         my ($S,$M,$H,$d,$m,$y) = gmtime(time());
 924         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'receive.updateServerInfo', 'true') == 0
 925                 or die "enabling receive.updateServerInfo failed: $?";
 926         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'repack.writeBitmaps', 'true') == 0
 927                 or die "enabling repack.writeBitmaps failed: $?";
 928         $self->{creationtime} = strftime("%Y-%m-%dT%H:%M:%SZ", $S, $M, $H, $d, $m, $y, -1, -1, -1);
 929         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'girocco.creationtime', $self->{creationtime}) == 0
 930                 or die "setting girocco.creationtime failed: $?";
 931         -d $self->{path}."/htmlcache" or mkdir $self->{path}."/htmlcache"
 932                 or die "htmlcache directory does not exist and unable to create it: $!";
 933         -d $self->{path}."/bundles" or mkdir $self->{path}."/bundles"
 934                 or die "bundles directory does not exist and unable to create it: $!";
 935         -d $self->{path}."/reflogs" or mkdir $self->{path}."/reflogs"
 936                 or die "reflogs directory does not exist and unable to create it: $!";
 937         foreach my $file (qw(info/lastactivity .delaygc)) {
 938                 if (open $fd, '>', $self->{path}."/".$file) {
 939                         close $fd;
 940                         chmod 0664, $self->{path}."/".$file;
 941                 }
 942         }
 943
 944         # /info must have right permissions,
 945         # and git init didn't do it for some reason.
 946         # config must have correct permissions.
 947         # and Git 2.1.0 - 2.2.1 incorrectly add +x for some reason.
 948         # also make sure /refs, /objects and /htmlcache are correct too.
 949         my ($dmode, $dmodestr, $fmode, $fmodestr);
 950         if ($Girocco::Config::owning_group) {
 951                 ($dmode, $dmodestr) = (02775, '02775');
 952                 ($fmode, $fmodestr) = (0664,  '0664');
 953         } else {
 954                 ($dmode, $dmodestr) = (02777, '02777');
 955                 ($fmode, $fmodestr) = (0666,  '0666');
 956         }
 957         foreach my $dir (qw(info refs objects htmlcache bundles reflogs)) {
 958                 chmod($dmode, $self->{path}."/$dir") or die "chmod $dmodestr $self->{path}/$dir failed: $!";
 959         }
 960         foreach my $file (qw(config)) {
 961                 chmod($fmode, $self->{path}."/$file") or die "chmod $fmodestr $self->{path}/$file failed: $!";
 962         }
 963         # these ones are probably not strictly required but are nice to have
 964         foreach my $dir (qw(refs/heads refs/tags objects/info objects/pack)) {
 965                 -d $self->{path}."/$dir" or mkdir $self->{path}."/$dir";
 966                 chmod($dmode, $self->{path}."/$dir");
 967         }
 968         if ($Girocco::Config::owning_group && defined($gid) && $Girocco::Config::htmlcache_owning_group) {
 969                 my $htmlgid = scalar(getgrnam($Girocco::Config::htmlcache_owning_group));
 970                 if (defined($htmlgid) && $htmlgid ne $gid) {
 971                         chown(-1, $htmlgid, $self->{path}."/htmlcache") or die "chgrp $htmlgid $self->{path}/htmlcache failed: $!";
 972                         chmod($dmode, $self->{path}."/htmlcache") or die "chmod $dmodestr $self->{path}/htmlcache failed: $!";
 973                 }
 974         }
 975         if ($Girocco::Config::owning_group && defined($gid) && $Girocco::Config::ctags_owning_group) {
 976                 my $ctagsgid = scalar(getgrnam($Girocco::Config::ctags_owning_group));
 977                 if (defined($ctagsgid) && $ctagsgid ne $gid) {
 978                         chown(-1, $ctagsgid, $self->{path}."/ctags") or die "chgrp $ctagsgid $self->{path}/ctags failed: $!";
 979                         chmod($dmode, $self->{path}."/ctags") or die "chmod $dmodestr $self->{path}/ctags failed: $!";
 980                 }
 981         }
 982
 983         $self->_properties_save;
 984         $self->_alternates_setup unless $self->{noalternates} || $self->{adopt};
 985         $self->_ctags_setup;
 986         $self->_group_remove;
 987         $self->_group_add($pushers);
 988         $self->_hooks_install;
 989         $self->_update_index;
 990         $self->_set_changed;
 991         $self->_set_forkchange(1);
 992 }
 993
 994 sub premirror {
 995         my $self = shift;
 996
 997         delete $self->{adopt};
 998         $self->_setup(':');
 999         $self->_clonep(1);
1000         if ($Girocco::Config::autogchack) {
1001                 system("$Girocco::Config::basedir/jobd/maintain-auto-gc-hack.sh", $self->{name}) == 0
1002                         or die "maintain-auto-gc-hack.sh $self->{name} failed";
1003         }
1004         $self->perm_initialize;
1005 }
1006
1007 sub conjure {
1008         my $self = shift;
1009
1010         delete $self->{adopt};
1011         $self->_setup;
1012         $self->_nofetch(1);
1013         if ($Girocco::Config::autogchack && $Girocco::Config::autogchack ne "mirror") {
1014                 system("$Girocco::Config::basedir/jobd/maintain-auto-gc-hack.sh", $self->{name}) == 0
1015                         or die "maintain-auto-gc-hack.sh $self->{name} failed";
1016         }
1017         if ($Girocco::Config::mob && $Girocco::Config::mob eq "mob") {
1018                 system("$Girocco::Config::basedir/bin/create-personal-mob-area", $self->{name}) == 0
1019                         or die "create-personal-mob-area $self->{name} failed";
1020         }
1021         $self->perm_initialize;
1022 }
1023
1024 sub clone {
1025         my $self = shift;
1026
1027         unlink ($self->_clonefail_path()); # Ignore EEXIST error
1028         unlink ($self->_clonelog_path()); # Ignore EEXIST error
1029
1030         use IO::Socket;
1031         my $sock = IO::Socket::UNIX->new($Girocco::Config::chroot.'/etc/taskd.socket') or die "cannot connect to taskd.socket: $!";
1032         select((select($sock),$|=1)[0]);
1033         $sock->print("clone ".$self->{name}."\n");
1034         # Just ignore reply, we are going to succeed anyway and the I/O
1035         # would apparently get quite hairy.
1036         $sock->flush();
1037         sleep 2; # *cough*
1038         $sock->close();
1039 }
1040
1041 # call this after ghost instead of conjure or premirror+clone to adopt a pre-existing Git dir
1042 # ghost must be called with the proper value of $mirror for the to-be-adopted project
1043 # for mirrors the $proj->{url} needs to be set and for push projects the $proj->{users} array ref
1044 sub adopt {
1045         my $self = shift;
1046         my $name = $self->{name};
1047
1048         # Sanity check first
1049         defined($name) && $name ne "" && !$self->{loaded} or return undef;
1050         does_exist($name, 1) or return undef;
1051         defined($self->{path}) && $self->{path} eq $Girocco::Config::reporoot."/$name.git" or return undef;
1052         defined($self->{base_path}) && $self->{base_path} eq $Girocco::Config::reporoot or return undef;
1053         defined($self->{email}) && defined($self->{orig_email}) && defined($self->{mirror}) && ref($self->{users}) eq 'ARRAY'
1054                 or return undef;
1055         !defined(Girocco::Project->load($name)) or return undef;
1056         is_git_dir($self->{path}) or return undef;
1057         my $config = read_config_file_hash($self->{path}."/config");
1058         defined($config) && _boolval($config->{"core.bare"}) or die "refusing to adopt non-bare repository";
1059         defined(read_HEAD_symref($self->{path})) or die "refusing to adopt non-symref HEAD repository";
1060
1061         # Adopt the project by creating a new $chroot/etc/group entry and setting up anything that's missing
1062         $self->_nofetch(!$self->{mirror});
1063         $self->{adopt} = 1;
1064         $self->_setup($self->{mirror} ? ":" : "");
1065         delete $self->{adopt};
1066         if ($Girocco::Config::autogchack && ($self->{mirror} || $Girocco::Config::autogchack ne "mirror")) {
1067                 system("$Girocco::Config::basedir/jobd/maintain-auto-gc-hack.sh", $self->{name}) == 0
1068                         or die "maintain-auto-gc-hack.sh $self->{name} failed";
1069         }
1070         if (!$self->{mirror} && $Girocco::Config::mob && $Girocco::Config::mob eq "mob") {
1071                 system("$Girocco::Config::basedir/bin/create-personal-mob-area", $self->{name}) == 0
1072                         or die "create-personal-mob-area $self->{name} failed";
1073         }
1074         my $result = $self->perm_initialize;
1075         unlink("$self->{path}/.delaygc") unless $self->is_empty;
1076         # Pick up any pre-existing settings
1077         my $p = Girocco::Project->load($name);
1078         %$self = %$p if defined($p) && $p->{loaded};
1079         $result;
1080 }
1081
1082 sub _update_users {
1083         my $self = shift;
1084
1085         $self->_group_update;
1086         my @users_add = grep { $a = $_; not scalar grep { $a eq $_ } $self->{orig_users} } $self->{users};
1087         my @users_del = grep { $a = $_; not scalar grep { $a eq $_ } $self->{users} } $self->{orig_users};
1088         $self->perm_user_add($_, Girocco::User::resolve_uid($_)) foreach (@users_add);
1089         $self->perm_user_del($_, Girocco::User::resolve_uid($_)) foreach (@users_del);
1090 }
1091
1092 sub update {
1093         my $self = shift;
1094
1095         $self->_properties_save;
1096         $self->_update_users;
1097
1098         if (exists($self->{tags_to_delete})) {
1099                 $self->delete_ctag($_) foreach(@{$self->{tags_to_delete}});
1100         }
1101
1102         $self->set_HEAD($self->{HEAD}) unless $self->{orig_HEAD} eq $self->{HEAD};
1103
1104         $self->_update_index if $self->{email} ne $self->{orig_email};
1105         $self->{orig_email} = $self->{email};
1106         $self->_set_changed;
1107
1108         1;
1109 }
1110
1111 sub update_password {
1112         my $self = shift;
1113         my ($pwd) = @_;
1114
1115         $self->{crypt} = scrypt_sha1($pwd);
1116         $self->_group_update;
1117 }
1118
1119 # You can explicitly do this just on a ghost() repository too.
1120 sub delete {
1121         my $self = shift;
1122
1123         if (-d $self->{path}) {
1124                 system('rm', '-rf', $self->{path}) == 0
1125                         or die "rm -rf $self->{path} failed: $?";
1126         }
1127         # attempt to clean up any empty fork directories by removing them
1128         my @pelems = split('/', $self->{name});
1129         while (@pelems > 1) {
1130                 pop @pelems;
1131                 # okay to fail
1132                 rmdir join('/', $Girocco::Config::reporoot, @pelems) or last;
1133         }
1134         $self->_group_remove;
1135         $self->_update_index;
1136         $self->_set_forkchange(1);
1137
1138         1;
1139 }
1140
1141 # If the project's directory actually exists archive it before deleting it
1142 # Return full path to archived project ("" if none)
1143 sub archive_and_delete {
1144         my $self = shift;
1145
1146         unless (-d $self->{path}) {
1147                 $self->delete;
1148                 return "";
1149         }
1150
1151         # archive the project before deletion
1152         use POSIX qw(strftime);
1153         my $destdir = $self->{base_path};
1154         $destdir =~ s,(?<=[^/])/+$,,;
1155         $destdir .= "/_recyclebin/";
1156         $destdir .= $1 if $self->{name} =~ m,^(.*/)[^/]+$,;
1157         my $destbase = $self->{name};
1158         $destbase = $1 if $destbase =~ m,^.*/([^/]+)$,;
1159         my $oldmask = umask();
1160         umask($oldmask & ~0070);
1161         system('mkdir', '-p', $destdir) == 0 && -d $destdir
1162                 or die "mkdir -p \"$destdir\" failed: $?";
1163         umask($oldmask);
1164         my $suffix = '';
1165         if (-e "$destdir$destbase.git") {
1166                 $suffix = 1;
1167                 while (-e "$destdir$destbase~$suffix.git") {
1168                         ++$suffix;
1169                         last if $suffix >= 10000; # don't get too carried away
1170                 }
1171                 $suffix = '~'.$suffix;
1172         }
1173         not -e "$destdir$destbase$suffix.git"
1174                 or die "Unable to compute suitable archive path";
1175         system('mv', $self->{path}, "$destdir$destbase$suffix.git") == 0
1176                 or die "mv \"$self->{path}\" \"$destdir$destbase$suffix.git\" failed: $?";
1177         if (!$self->{mirror} && @{$self->{users}}) {
1178                 # Remember the user list at recycle time
1179                 system($Girocco::Config::git_bin, '--git-dir='.$destdir.$destbase.$suffix.".git",
1180                         'config', 'girocco.recycleusers', join(",", @{$self->{users}}));
1181         }
1182         my ($S,$M,$H,$d,$m,$y) = gmtime(time());
1183         my $recycletime = strftime("%Y-%m-%dT%H:%M:%SZ", $S, $M, $H, $d, $m, $y, -1, -1, -1);
1184         # We ought to do something if this fails, but the project has already been moved
1185         # so there's really nothing to be done at this point.
1186         system($Girocco::Config::git_bin, '--git-dir='.$destdir.$destbase.$suffix.".git",
1187                 'config', 'girocco.recycletime', $recycletime);
1188
1189         $self->delete;
1190         return $destdir.$destbase.$suffix.".git";
1191 }
1192
1193 sub _contains_files {
1194         my $dir = shift;
1195         (-d $dir) or return 0;
1196         opendir(my $dh, $dir) or die "opendir $dir failed: $!";
1197         while (my $entry = readdir($dh)) {
1198                 next if $entry eq '' || $entry eq '.' || $entry eq '..';
1199                 closedir($dh), return 1
1200                         if -f "$dir/$entry" ||
1201                         -d "$dir/$entry" && _contains_files("$dir/$entry");
1202         }
1203         closedir($dh);
1204         return 0;
1205 }
1206
1207 sub has_forks {
1208         my $self = shift;
1209
1210         return _contains_files($Girocco::Config::reporoot.'/'.$self->{name});
1211 }
1212
1213 # Returns an array of 0 or more array refs, one for each bundle:
1214 #  ->[0]: bundle creation time (seconds since epoch)
1215 #  ->[1]: bundle name (e.g. foo-xxxxxxxx.bundle)
1216 #  ->[2]: bundle size in bytes
1217 sub bundles {
1218         my $self = shift;
1219         use Time::Local;
1220
1221         return @{$self->{bundles}} if ref($self->{bundles}) eq 'ARRAY';
1222         my @blist = ();
1223         if (-d $self->{path}.'/bundles') {{
1224                 my $prefix = $self->{name};
1225                 $prefix =~ s|^.*[^/]/([^/]+)$|$1|;
1226                 opendir(my $dh, $self->{path}.'/bundles') or last;
1227                 while (my $bfile = readdir($dh)) {
1228                         next unless $bfile =~ /^\d{8}_\d{6}-[0-9a-f]{8}$/;
1229                         my $ctime = eval {timegm(
1230                                 0+substr($bfile,13,2), 0+substr($bfile,11,2), 0+substr($bfile,9,2),
1231                                 0+substr($bfile,6,2), 0+substr($bfile,4,2)-1, 0+substr($bfile,0,4))};
1232                         next unless $ctime;
1233                         open(my $bh, '<', $self->{path}.'/bundles/'.$bfile) or next;
1234                         my $f1 = <$bh>;
1235                         my $f2 = <$bh>;
1236                         $f1 = $self->{path}.'/objects/pack/'.$f1 if $f1 && $f1 !~ m|^/|;
1237                         $f2 = $self->{path}.'/objects/pack/'.$f2 if $f2 && $f2 !~ m|^/|;
1238                         close($bh);
1239                         next unless $f1 && $f2 && $f1 ne $f2;
1240                         chomp $f1;
1241                         chomp $f2;
1242                         next unless -e $f1 && -e $f2;
1243                         my $s1 = -s $f1 || 0;
1244                         my $s2 = -s $f2 || 0;
1245                         next unless $s1 || $s2;
1246                         push(@blist, [$ctime, "$prefix-".substr($bfile,16,8).".bundle", $s1+$s2]);
1247                 }
1248                 closedir($dh);
1249         }}
1250         @blist = sort({$b->[0] <=> $a->[0]} @blist);
1251         my %seen = ();
1252         my @result = ();
1253         foreach my $bndl (@blist) {
1254                 next if $seen{$bndl->[1]};
1255                 $seen{$bndl->[1]} = 1;
1256                 push(@result, $bndl);
1257         }
1258         $self->{bundles} = \@result;
1259         return @result;
1260 }
1261
1262 sub has_alternates {
1263         my $self = shift;
1264         my $af = $self->{path}.'/objects/info/alternates';
1265         -f $af && -s _ or return 0;
1266         my $nb = 0;
1267         open my $fh, '<', $af or return 1;
1268         while (my $line = <$fh>) {
1269                 next if $line =~ /^$/ || $line =~ /^#/;
1270                 $nb = 1;
1271                 last;
1272         }
1273         close $fh;
1274         return $nb;
1275 }
1276
1277 sub has_bundle {
1278         my $self = shift;
1279
1280         return scalar($self->bundles);
1281 }
1282
1283 sub _has_notifyhook {
1284         my $self = shift;
1285         my $val = $Girocco::Config::default_notifyhook;
1286         defined($self->{'notifyhook'}) and $val = $self->{'notifyhook'};
1287         return (defined($val) && $val ne "") ? $val : undef;
1288 }
1289
1290 # returns true if any of the notify fields are non-empty
1291 sub has_notify {
1292         my $self = shift;
1293         # We do not ckeck notifycia since it's defunct
1294         return
1295                 $self->{'notifymail'} || $self->{'notifytag'} ||
1296                 $self->{'notifyjson'} ||
1297                 !!$self->_has_notifyhook;
1298 }
1299
1300 sub is_empty {
1301         # A project is considered empty if the git repository does not
1302         # have any refs.  This means packed-refs does not exist or is
1303         # empty or only has lines starting with '#' AND there are no
1304         # files in the refs subdirectory hierarchy (no matter how deep).
1305
1306         my $self = shift;
1307
1308         (-d $self->{path}) or return 0;
1309         if (-e $self->{path}.'/packed-refs') {
1310                 open(my $pr, '<', $self->{path}.'/packed-refs')
1311                         or die "open $self->{path}./packed-refs failed: $!";
1312                 my $foundref = 0;
1313                 while (my $ref = <$pr>) {
1314                         next if $ref =~ /^#/;
1315                         $foundref = 1;
1316                         last;
1317                 }
1318                 close($pr);
1319                 return 0 if $foundref;
1320         }
1321         (-d $self->{path}.'/refs') or return 1;
1322         return !_contains_files($self->{path}.'/refs');
1323 }
1324
1325 # returns array:
1326 # [0]: earliest possible scheduled next gc, undef if lastgc not set
1327 # [1]: approx. latest possible scheduled next gc, undef if lastgc not set
1328 # Both values (if not undef) are seconds since epoch
1329 # Result only considers lastgc and min_gc_interval nothing else
1330 sub next_gc {
1331         my $self = shift;
1332         my $lastgcepoch = parse_any_date($self->{lastgc});
1333         return (undef, undef) unless defined $lastgcepoch;
1334         return ($lastgcepoch + $Girocco::Config::min_gc_interval,
1335                 int($lastgcepoch + 1.25 * $Girocco::Config::min_gc_interval +
1336                                 $Girocco::Config::min_mirror_interval));
1337 }
1338
1339 # returns boolean (0 or 1)
1340 # Attempts to determine whether or not a gc (and corresponding build
1341 # of a .bitmap/.bndl file) will actually take place at the next_gc
1342 # time (as returned by next_gc).  Whether or not a .bitmap and .bndl
1343 # end up being built depends on whether or not the local object graph
1344 # is complete.  In general if has_alternates is true then a .bitmap/.bndl
1345 # is not possible because the object graph will be incomplete,
1346 # but it *is* possible that even though the repository has_alternates,
1347 # it does not actually borrow any objects so a .bitmap/.bndl will build
1348 # in spite of the presence of alternates -- but this is expected to be rare.
1349 # The result is a best guess and false return value is not an absolute
1350 # guarantee that gc will not take place at the next interval, but it probably
1351 # will not if nothing changes in the meantime.
1352 sub needs_gc {
1353         my $self = shift;
1354         my $lgc = parse_any_date($self->{lastgc});
1355         my $lrecv = parse_any_date($self->{lastreceive});
1356         my $lpgc = parse_any_date($self->{lastparentgc});
1357         return 1 unless defined($lgc) && defined($lrecv);
1358         if ($self->has_alternates) {
1359                 return 1 unless defined($lpgc);
1360                 return 1 unless $lpgc < $lgc;
1361         }
1362         return 1 unless $lrecv < $lgc;
1363         # We don't try running any "is_dirty" check, so if somehow the
1364         # repository became dirty without updating lastreceive we might
1365         # incorrectly return false instead of true.
1366         return 0;
1367 }
1368
1369 sub delete_ctag {
1370         my $self = shift;
1371         my ($ctag) = @_;
1372
1373         # sanity check, disallow filenames starting with . .. or /
1374         unlink($self->{path}.'/ctags/'.$ctag)
1375                 unless !defined($ctag) || $ctag =~ m|^/| || $ctag =~ m{(?:^|/)(?:\.\.?)(?:/|$)};
1376 }
1377
1378 # returns new tag count value on success (will always be >= 1) otherwise undef
1379 sub add_ctag {
1380         my $self = shift;
1381         my $ctag = valid_tag(shift);
1382         my $nochanged = shift;
1383
1384         # sanity check, disallow filenames starting with . .. or /
1385         return undef if !defined($ctag) || $ctag =~ m|^/| || $ctag =~ m{(?:^|/)(?:\.\.?)(?:/|$)};
1386
1387         my $val = 0;
1388         my $ct;
1389         if (open $ct, '<', $self->{path}."/ctags/$ctag") {
1390                 my $count = <$ct>;
1391                 close $ct;
1392                 defined $count or $count = '';
1393                 chomp $count;
1394                 $val = $count =~ /^[1-9]\d*$/ ? $count : 1;
1395         }
1396         ++$val;
1397         my $oldmask = umask();
1398         umask($oldmask & ~0060);
1399         open $ct, '>', $self->{path}."/ctags/$ctag" and print $ct $val."\n" and close $ct;
1400         $self->_set_changed unless $nochanged;
1401         $self->_set_forkchange unless $nochanged;
1402         umask($oldmask);
1403         return $val;
1404 }
1405
1406 sub get_ctag_names {
1407         my $self = shift;
1408         my @ctags = ();
1409         opendir(my $dh, $self->{path}.'/ctags')
1410                 or return @ctags;
1411         @ctags = grep { -f "$self->{path}/ctags/$_" } readdir($dh);
1412         closedir($dh);
1413         return sort({lc($a) cmp lc($b)} @ctags);
1414 }
1415
1416 sub get_heads {
1417         my $self = shift;
1418         my $fh;
1419         my $heads = get_git("--git-dir=$self->{path}", 'for-each-ref', '--format=%(objectname) %(refname)', 'refs/heads');
1420         defined($heads) or $heads = '';
1421         chomp $heads;
1422         my @res = ();
1423         foreach (split(/\n/, $heads)) {
1424                 chomp;
1425                 next if !m#^[0-9a-f]{40}\s+refs/heads/(.+)$ #x;
1426                 push @res, $1;
1427         }
1428         push(@res, $self->{orig_HEAD}) if !@res && defined($self->{orig_HEAD}) && $self->{orig_HEAD} ne '';
1429         @res;
1430 }
1431
1432 sub get_HEAD {
1433         my $self = shift;
1434         my $HEAD = read_HEAD_ref($self->{path});
1435         defined($HEAD) && $HEAD ne "" or die "could not get HEAD";
1436         return $1 if $HEAD =~ m{^refs/heads/(.+)$};
1437         return "[other]" if $HEAD =~ m{^refs/};
1438         return "[detached]" if $HEAD =~ m{^[0-9a-fA-F]{4,}$};
1439         return "[invalid]";
1440 }
1441
1442 sub set_HEAD {
1443         my $self = shift;
1444         my $newHEAD = shift;
1445         # Cursory checks only -- if you want to break your HEAD, be my guest
1446         if ($newHEAD =~ /^\/|^\.|[\x00-\x1f \x7f\[~^'<>*?\\:]|\@\{|\.\.|\.lock$|\.$|\/$/) {
1447                 die "grossly invalid new HEAD: $newHEAD";
1448         }
1449         system($Girocco::Config::git_bin, "--git-dir=$self->{path}", 'symbolic-ref', 'HEAD', "refs/heads/$newHEAD");
1450         die "could not set HEAD" if ($? >> 8);
1451         ! -d "$self->{path}/mob" || $Girocco::Config::mob ne 'mob'
1452                 or system('cp', '-p', '-f', "$self->{path}/HEAD", "$self->{path}/mob/HEAD") == 0;
1453 }
1454
1455 sub gen_auth {
1456         my $self = shift;
1457         my ($type) = @_;
1458         $type = 'REPO' unless $type && $type =~ /^[A-Z]+$/;
1459
1460         $self->{authtype} = $type;
1461         {
1462                 no warnings;
1463                 $self->{auth} = sha1_hex(time . $$ . rand() . join(':',%$self));
1464         }
1465         my $expire = time + 24 * 3600;
1466         my $propval = "# ${type}AUTH $self->{auth} $expire";
1467         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'gitweb.repoauth', $propval);
1468         $self->{auth};
1469 }
1470
1471 sub del_auth {
1472         my $self = shift;
1473
1474         delete $self->{auth};
1475         delete $self->{authtype};
1476         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', '--unset', 'gitweb.repoauth');
1477 }
1478
1479 sub remove_user {
1480         my $self = shift;
1481         my ($username) = @_;
1482
1483         my $before_count = @{$self->{users}};
1484         $self->{users} = [grep { $_ ne $username } @{$self->{users}}];
1485         return @{$self->{users}} != $before_count;
1486 }
1487
1488 ### static methods
1489
1490 sub get_forkee_name {
1491         local $_ = $_[0];
1492         (m#^(.*)/.*?$#)[0]; #
1493 }
1494
1495 sub get_forkee_path {
1496         no warnings; # avoid silly 'unsuccessful stat on filename with \n' warning
1497         my $forkee = $Girocco::Config::reporoot.'/'.get_forkee_name($_[0]).'.git';
1498         -d $forkee ? $forkee : '';
1499 }
1500
1501 # Ultimately the full project/fork name could end up being part of a Git ref name
1502 # when a project's forks are combined into one giant repository for efficiency.
1503 # That means that the project/fork name must satisfy the Git ref name requirements:
1504 #
1505 #  1. Characters with an ASCII value less than or equal to 32 are not allowed
1506 #  2. The character with an ASCII value of 0x7F is not allowed
1507 #  3. The characters '~', '^', ':', '\', '*', '?', and '[' are not allowed
1508 #  4. The character '/' is a separator and is not allowed within a name
1509 #  5. The name may not start with '.' or end with '.'
1510 #  6. The name may not end with '.lock'
1511 #  7. The name may not contain the '..' sequence
1512 #  8. The name may not contain the '@{' sequence
1513 #  9. If multiple components are used (separated by '/'), no empty '' components
1514 #
1515 # We also prohibit a trailing '.git' on any path component and futher restrict
1516 # the allowed characters to alphanumeric and [+._-] where names must start with
1517 # an alphanumeric.
1518
1519 sub _valid_name_characters {
1520         local $_ = $_[0];
1521         (not m#^[/+._-]#)
1522                 and (not m#//#)
1523                 and (not m#\.\.#)
1524                 and (not m#/[+._-]#)
1525                 and (not m#\./#)
1526                 and (not m#\.$#)
1527                 and (not m#\.git/#i)
1528                 and (not m#\.git$#i)
1529                 and (not m#\.idx/#i)
1530                 and (not m#\.idx$#i)
1531                 and (not m#\.lock/#i)
1532                 and (not m#\.lock$#i)
1533                 and (not m#\.pack/#i)
1534                 and (not m#\.pack$#i)
1535                 and (not m#\.bundle/#i)
1536                 and (not m#\.bundle$#i)
1537                 and (not m#/$#)
1538                 and (not m/^[a-fA-F0-9]{38}$/)
1539                 and m#^[a-zA-Z0-9/+._-]+$#
1540                 and !has_reserved_suffix($_, $_[1], $_[2]);
1541 }
1542
1543 # $_[0] => prospective project name (WITHOUT trailing .git)
1544 # $_[1] => true to allow orphans (i.e. two-or-more-level-deep projects without a parent)
1545 #          (the directory in which the orphan will be created must, however, already exist)
1546 # $_[2] => true to allow orphans w/o needed directory if $_[1] also true (like mkdir -p)
1547 sub valid_name {
1548         no warnings; # avoid silly 'unsuccessful stat on filename with \n' warning
1549         local $_ = $_[0];
1550         _valid_name_characters($_) and not exists($reservedprojectnames{lc($_)})
1551                 and @{[m#/#g]} <= 5 # maximum fork depth is 5
1552                 and ((not m#/#) or -d get_forkee_path($_) or ($_[1] and ($_[2] or -d $Girocco::Config::reporoot.'/'.get_forkee_name($_))))
1553                 and (! -f $Girocco::Config::reporoot."/$_.git");
1554 }
1555
1556 # It's possible that some forks have been kept but the forkee is gone.
1557 # In this case the standard valid_name check is too strict.
1558 sub does_exist {
1559         no warnings; # avoid silly 'unsuccessful stat on filename with \n' warning
1560         my ($name, $nodie) = @_;
1561         my $okay = (
1562                 _valid_name_characters($name, $Girocco::Config::reporoot, ".git")
1563                 and ((not $name =~ m#/#)
1564                         or -d get_forkee_path($name)
1565                         or -d $Girocco::Config::reporoot.'/'.get_forkee_name($name)));
1566         (!$okay && $nodie) and return undef;
1567         !$okay and die "tried to query for project with invalid name $name!";
1568         (-d $Girocco::Config::reporoot."/$name.git");
1569 }
1570
1571 sub get_full_list {
1572         open my $fd, '<', jailed_file("/etc/group") or die "getting project list failed: $!";
1573         my @projects = map {/^([^:_\s#][^:\s#]*):[^:]*:\d{5,}:/ ? $1 : ()} <$fd>;
1574         close $fd;
1575         @projects;
1576 }
1577
1578
1579 1;