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         homepage => ['Homepage URL', 'hp', 'text'],
  38         shortdesc => ['Short description', 'desc', 'text'],
  39         README => ['README (HTML, lt 8kb)', 'README', 'textarea'],
  40         notifymail => ['Commit notify - mail to', 'notifymail', 'text'],
  41         notifyjson => ['Commit notify - <a href="http://help.github.com/post-receive-hooks/">POST JSON</a> at', 'notifyjson', 'text'],
  42         notifycia =>  ['Commit notify - <a href="http://cia.vc/doc/">CIA project</a> name', 'notifycia', 'text'],
  43 };
  44
  45 sub _mkdir_forkees {
  46         my $self = shift;
  47         my @pelems = split('/', $self->{name});
  48         pop @pelems; # do not create dir for the project itself
  49         my $path = $self->{base_path};
  50         foreach my $pelem (@pelems) {
  51                 $path .= "/$pelem";
  52                 (-d "$path") or mkdir $path or die "mkdir $path: $!";
  53                 chmod 02775, $path; # ok if fails (dir may already exist and be owned by someone else)
  54         }
  55 }
  56
  57 # With a leading ':' get from config replacing ':' with 'gitweb.'
  58 # With a leading '%' get from config after removing '%'
  59 # Otherwise it's a file name to be loaded
  60 # %propmapro entries are loaded but never written
  61
  62 our %propmap = (
  63         url => ':baseurl',
  64         email => ':owner',
  65         desc => 'description',
  66         README => 'README.html',
  67         hp => ':homepage',
  68         notifymail => '%hooks.mailinglist',
  69         notifytag => '%hooks.announcelist',
  70         notifyjson => '%hooks.jsonurl',
  71         notifycia => '%hooks.cianame',
  72 );
  73
  74 our %propmapro = (
  75         lastchange => ':lastchange',
  76         lastactivity => 'info/lastactivity',
  77         creationtime => '%girocco.creationtime',
  78         origurl => ':baseurl',
  79 );
  80
  81 # Projects with any of these names will be disallowed to avoid possible
  82 # collisions with cgi script paths or chroot paths
  83 our %reservedprojectnames = (
  84         b => 1,         # /b/ -> bundle.cgi
  85         c => 1,         # /c/ -> cgit
  86         h => 1,         # /h/ -> html.cgi
  87         r => 1,         # /r/ -> git http
  88         w => 1,         # /w/ -> gitweb
  89         srv => 1,       # /srv/git/ -> chroot ssh git repositories
  90 );
  91
  92 sub _update_index {
  93         system($Girocco::Config::basedir . '/gitweb/genindex.sh');
  94 }
  95
  96 sub _property_path {
  97         my $self = shift;
  98         my ($name) = @_;
  99         $self->{path}.'/'.$name;
 100 }
 101
 102 sub _property_fget {
 103         my $self = shift;
 104         my ($name) = @_;
 105         my $pname = $propmap{$name};
 106         $pname = $propmapro{$name} unless $pname;
 107         $pname or die "unknown property: $name";
 108         if ($pname =~ s/^://) {
 109                 my $val = `"$Girocco::Config::git_bin" --git-dir="$self->{path}" config "gitweb.$pname"`;
 110                 chomp $val;
 111                 return $val;
 112         } elsif ($pname =~ s/^%//) {
 113                 my $val = `"$Girocco::Config::git_bin" --git-dir="$self->{path}" config "$pname"`;
 114                 chomp $val;
 115                 return $val;
 116         }
 117
 118         open P, '<', $self->_property_path($pname) or return undef;
 119         my @value = <P>;
 120         close P;
 121         my $value = join('', @value); chomp $value;
 122         $value;
 123 }
 124
 125 sub _property_fput {
 126         my $self = shift;
 127         my ($name, $value) = @_;
 128         my $pname = $propmap{$name};
 129         $pname or die "unknown property: $name";
 130         $value ||= '';
 131         if ($pname =~ s/^://) {
 132                 system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', "gitweb.$pname", $value);
 133                 return;
 134         } elsif ($pname =~ s/^%//) {
 135                 system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', $pname, $value);
 136                 return;
 137         }
 138
 139         my $P = lock_file($self->_property_path($pname));
 140         $value ne '' and print $P "$value\n";
 141         close $P;
 142         unlock_file($self->_property_path($pname));
 143 }
 144
 145 sub _properties_load {
 146         my $self = shift;
 147         foreach my $prop (keys %propmap) {
 148                 $self->{$prop} = $self->_property_fget($prop);
 149         }
 150         foreach my $prop (keys %propmapro) {
 151                 $self->{$prop} = $self->_property_fget($prop);
 152         }
 153         my $val = `"$Girocco::Config::git_bin" --git-dir="$self->{path}" config --bool "gitweb.statusupdates" 2>/dev/null`;
 154         chomp $val;
 155         $val = ($val eq 'false') ? 0 : 1;
 156         $self->{statusupdates} = $val;
 157         delete $self->{auth};
 158         $val = `"$Girocco::Config::git_bin" --git-dir="$self->{path}" config "gitweb.repoauth"`;
 159         chomp $val;
 160         if ($val =~ /^# ([A-Z]+)AUTH ([0-9a-f]+) (\d+)/) {
 161                 my $expire = $3;
 162                 if (time < $expire) {
 163                         $self->{authtype} = $1;
 164                         $self->{auth} = $2;
 165                 }
 166         }
 167 }
 168
 169 sub _properties_save {
 170         my $self = shift;
 171         foreach my $prop (keys %propmap) {
 172                 $self->_property_fput($prop, $self->{$prop});
 173         }
 174         $self->{statusupdates} = 1
 175                 unless defined($self->{statusupdates}) && $self->{statusupdates} =~ /^\d+$/;
 176         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', '--bool',
 177                 "gitweb.statusupdates", $self->{statusupdates});
 178         if (defined($self->{origurl}) && defined($self->{url}) &&
 179             $self->{origurl} ne $self->{url} && -e $self->_property_path(".banged")) {
 180                 if (open(X, '>', $self->_property_path(".bangagain"))) {
 181                         close X;
 182                         chmod(0664, $self->_property_path(".bangagain"));
 183                 }
 184         }
 185 }
 186
 187 sub _nofetch_path {
 188         my $self = shift;
 189         $self->_property_path('.nofetch');
 190 }
 191
 192 sub _nofetch {
 193         my $self = shift;
 194         my ($nofetch) = @_;
 195         my $nf = $self->_nofetch_path;
 196         if ($nofetch) {
 197                 open X, '>', $nf or die "nofetch failed: $!";
 198                 close X;
 199         } else {
 200                 unlink $nf or die "yesfetch failed: $!";
 201         }
 202 }
 203
 204 sub _clonelog_path {
 205         my $self = shift;
 206         $self->_property_path('.clonelog');
 207 }
 208
 209 sub _clonefail_path {
 210         my $self = shift;
 211         $self->_property_path('.clone_failed');
 212 }
 213
 214 sub _clonep_path {
 215         my $self = shift;
 216         $self->_property_path('.clone_in_progress');
 217 }
 218
 219 sub _clonep {
 220         my $self = shift;
 221         my ($nofetch) = @_;
 222         my $np = $self->_clonep_path;
 223         if ($nofetch) {
 224                 open X, '>', $np or die "clonep failed: $!";
 225                 close X;
 226         } else {
 227                 unlink $np or die "clonef failed: $!";
 228         }
 229 }
 230 sub _alternates_setup {
 231         my $self = shift;
 232         return unless $self->{name} =~ m#/#;
 233         my $forkee_name = get_forkee_name($self->{name});
 234         my $forkee_path = get_forkee_path($self->{name});
 235         return unless -d $forkee_path;
 236         mkdir $self->{path}.'/refs'; chmod 02775, $self->{path}.'/refs';
 237         mkdir $self->{path}.'/objects'; chmod 02775, $self->{path}.'/objects';
 238         mkdir $self->{path}.'/objects/info'; chmod 02775, $self->{path}.'/objects/info';
 239
 240         # We set up both alternates and http_alternates since we cannot use
 241         # relative path in alternates - that doesn't work recursively.
 242
 243         my $filename = $self->{path}.'/objects/info/alternates';
 244         open X, '>', $filename or die "alternates failed: $!";
 245         print X "$forkee_path/objects\n";
 246         close X;
 247         chmod 0664, $filename or warn "cannot chmod $filename: $!";
 248
 249         if ($Girocco::Config::httppullurl) {
 250                 $filename = $self->{path}.'/objects/info/http-alternates';
 251                 open X, '>', $filename or die "http-alternates failed: $!";
 252                 my $upfork = $forkee_name;
 253                 do { print X "$Girocco::Config::httppullurl/$upfork.git/objects\n"; } while ($upfork =~ s#/?.+?$## and $upfork); #
 254                 close X;
 255                 chmod 0664, $filename or warn "cannot chmod $filename: $!";
 256         }
 257
 258         # The symlink is problematic since git remote prune will traverse it.
 259         #symlink "$forkee_path/refs", $self->{path}.'/refs/forkee';
 260
 261         # copy refs from parent project
 262         system("'$Girocco::Config::git_bin' --git-dir='$forkee_path' show-ref > '$self->{path}/packed-refs'");
 263         # initialize HEAD, hacky version
 264         system("cp $forkee_path/HEAD $self->{path}/HEAD");
 265         chmod 0664, "$self->{path}/packed-refs", "$self->{path}/HEAD";
 266 }
 267
 268 sub _ctags_setup {
 269         my $self = shift;
 270         my $perms = $Girocco::Config::permission_control eq 'Hooks' ? 02777 : 02775;
 271         mkdir $self->{path}.'/ctags'; chmod $perms, $self->{path}.'/ctags';
 272 }
 273
 274 sub _group_add {
 275         my $self = shift;
 276         my ($xtra) = @_;
 277         $xtra .= join(',', @{$self->{users}});
 278         filedb_atomic_append(jailed_file('/etc/group'),
 279                 join(':', $self->{name}, $self->{crypt}, '\i', $xtra));
 280 }
 281
 282 sub _group_update {
 283         my $self = shift;
 284         my $xtra = join(',', @{$self->{users}});
 285         filedb_atomic_edit(jailed_file('/etc/group'),
 286                 sub {
 287                         $_ = $_[0];
 288                         chomp;
 289                         if ($self->{name} eq (split /:/)[0]) {
 290                                 # preserve readonly flag
 291                                 s/::([^:]*)$/:$1/ and $xtra = ":$xtra";
 292                                 return join(':', $self->{name}, $self->{crypt}, $self->{gid}, $xtra)."\n";
 293                         } else {
 294                                 return "$_\n";
 295                         }
 296                 }
 297         );
 298 }
 299
 300 sub _group_remove {
 301         my $self = shift;
 302         filedb_atomic_edit(jailed_file('/etc/group'),
 303                 sub {
 304                         $self->{name} ne (split /:/)[0] and return $_;
 305                 }
 306         );
 307 }
 308
 309 sub _hook_path {
 310         my $self = shift;
 311         my ($name) = @_;
 312         $self->{path}.'/hooks/'.$name;
 313 }
 314
 315 sub _hook_install {
 316         my $self = shift;
 317         my ($name) = @_;
 318         my $hooksdir = $self->{path}.'/hooks';
 319         -d $hooksdir or mkdir $hooksdir or
 320           die "hooks directory does not exist and unable to create it for project " . $self->{name} . ": $!";
 321         open SRC, '<', "$Girocco::Config::basedir/hooks/$name" or die "cannot open hook $name: $!";
 322         open DST, '>', $self->_hook_path($name) or die "cannot open hook $name for writing: $!";
 323         while (<SRC>) { print DST $_; }
 324         close DST;
 325         close SRC;
 326         chmod 0775, $self->_hook_path($name) or die "cannot chmod hook $name: $!";
 327 }
 328
 329 sub _hooks_install {
 330         my $self = shift;
 331         foreach my $hook ('pre-receive', 'post-receive', 'update', 'post-update') {
 332                 $self->_hook_install($hook);
 333         }
 334 }
 335
 336 # private constructor, do not use
 337 sub _new {
 338         my $class = shift;
 339         my ($name, $base_path, $path) = @_;
 340         does_exist($name,1) || valid_name($name) or die "refusing to create project with invalid name ($name)!";
 341         $path ||= "$base_path/$name.git";
 342         my $proj = { name => $name, base_path => $base_path, path => $path };
 343
 344         bless $proj, $class;
 345 }
 346
 347 # public constructor #0
 348 # creates a virtual project not connected to disk image
 349 # you can conjure() it later to disk
 350 sub ghost {
 351         my $class = shift;
 352         my ($name, $mirror) = @_;
 353         my $self = $class->_new($name, $Girocco::Config::reporoot);
 354         $self->{users} = [];
 355         $self->{mirror} = $mirror;
 356         $self->{email} = $self->{orig_email} = '';
 357         $self;
 358 }
 359
 360 # public constructor #1
 361 sub load {
 362         my $class = shift;
 363         my $name = shift || '';
 364
 365         open F, '<', jailed_file("/etc/group") or die "project load failed: $!";
 366         while (<F>) {
 367                 chomp;
 368                 @_ = split /:+/;
 369                 next unless (shift eq $name);
 370
 371                 my $self = $class->_new($name, $Girocco::Config::reporoot);
 372                 (-d $self->{path}) or die "invalid path (".$self->{path}.") for project ".$self->{name};
 373
 374                 my $ulist;
 375                 ($self->{crypt}, $self->{gid}, $ulist) = @_;
 376                 $ulist ||= '';
 377                 $self->{users} = [split /,/, $ulist];
 378                 $self->{HEAD} = $self->get_HEAD;
 379                 $self->{orig_HEAD} = $self->{HEAD};
 380                 $self->{orig_users} = [@{$self->{users}}];
 381                 $self->{mirror} = ! -e $self->_nofetch_path;
 382                 $self->{clone_in_progress} = -e $self->_clonep_path;
 383                 $self->{clone_logged} = -e $self->_clonelog_path;
 384                 $self->{clone_failed} = -e $self->_clonefail_path;
 385                 $self->{ccrypt} = $self->{crypt};
 386
 387                 $self->_properties_load;
 388                 $self->{orig_email} = $self->{email};
 389                 $self->{loaded} = 1; # indicates self was loaded from etc/group file
 390                 return $self;
 391         }
 392         close F;
 393         undef;
 394 }
 395
 396 # $proj may not be in sane state if this returns false!
 397 sub cgi_fill {
 398         my $self = shift;
 399         my ($gcgi) = @_;
 400         my $cgi = $gcgi->cgi;
 401
 402         my ($pwd, $pwd2) = ($cgi->param('pwd'), $cgi->param('pwd2'));
 403         # in case passwords are disabled
 404         defined($pwd) or $pwd = ''; defined($pwd2) or $pwd = '';
 405         if ($Girocco::Config::project_passwords and not $self->{crypt} and $pwd eq '' and $pwd2 eq '') {
 406                 $gcgi->err("Empty passwords are not permitted.");
 407         }
 408         if ($pwd ne '' or not $self->{crypt}) {
 409                 $self->{crypt} = scrypt_sha1($pwd);
 410         }
 411         if (($pwd ne '' || $pwd2 ne '') and $pwd ne $pwd2) {
 412                 $gcgi->err("Our high-paid security consultants have determined that the admin passwords you have entered do not match each other.");
 413         }
 414
 415         $self->{cpwd} = $cgi->param('cpwd');
 416
 417         my ($forkee,$project) = ($self->{name} =~ m#^(.*/)?([^/]+)$#);
 418         my $newtype = $forkee ? 'fork' : 'project';
 419         length($project) <= 64
 420                 or $gcgi->err("The $newtype name is longer than 64 characters. Do you really need that much?");
 421
 422         if ($Girocco::Config::project_owners eq 'email') {
 423                 $self->{email} = $gcgi->wparam('email');
 424                 valid_email($self->{email})
 425                         or $gcgi->err("Your email sure looks weird...?");
 426                 length($self->{email}) <= 96
 427                         or $gcgi->err("Your email is longer than 96 characters. Do you really need that much?");
 428         }
 429
 430         $self->{url} = $gcgi->wparam('url');
 431         if ($self->{url}) {
 432                 valid_repo_url($self->{url})
 433                         or $gcgi->err("Invalid URL. Note that only HTTP and Git protocols are supported. If the URL contains funny characters, contact me.");
 434                 if ($Girocco::Config::restrict_mirror_hosts) {
 435                         my $mh = extract_url_hostname($self->{url});
 436                         is_dns_hostname($mh)
 437                                 or $gcgi->err("Invalid URL. Note that only DNS names are allowed, not IP addresses.");
 438                         !is_our_hostname($mh)
 439                                 or $gcgi->err("Invalid URL. Mirrors from this host are not allowed, please create a fork instead.");
 440                 }
 441         }
 442
 443         $self->{desc} = $gcgi->wparam('desc');
 444         length($self->{desc}) <= 1024
 445                 or $gcgi->err("<b>Short</b> description length &gt; 1kb!");
 446
 447         $self->{README} = $gcgi->wparam('README');
 448         length($self->{README}) <= 8192
 449                 or $gcgi->err("README length &gt; 8kb!");
 450
 451         $self->{hp} = $gcgi->wparam('hp');
 452         if ($self->{hp}) {
 453                 valid_web_url($self->{hp})
 454                         or $gcgi->err("Invalid homepage URL. Note that only HTTP protocol is supported. If the URL contains funny characters, contact me.");
 455         }
 456
 457         my %users = ();
 458         my @users = ();
 459         foreach my $user ($cgi->param('user')) {
 460                 if (!exists($users{$user})) {
 461                         $users{$user} = 1;
 462                         push(@users, $user) if Girocco::User::valid_name($user) && Girocco::User::does_exist($user)
 463                 }
 464         }
 465         $self->{users} = \@users;
 466
 467         $self->{HEAD} = $cgi->param('HEAD') if $cgi->param('HEAD');
 468
 469         # schedule deletion of tags (will be committed by update() after auth)
 470         $self->{tags_to_delete} = [$cgi->param('tags')];
 471
 472         $self->{notifymail} = $gcgi->wparam('notifymail');
 473         if ($self->{notifymail}) {
 474                 (valid_email_multi($self->{notifymail}) and length($self->{notifymail}) <= 512)
 475                         or $gcgi->err("Invalid notify e-mail address. Use mail,mail to specify multiple addresses; total length must not exceed 512 characters, however.");
 476         }
 477
 478         $self->{notifyjson} = $gcgi->wparam('notifyjson');
 479         if ($self->{notifyjson}) {
 480                 valid_web_url($self->{notifyjson})
 481                         or $gcgi->err("Invalid JSON notify URL. Note that only HTTP protocol is supported. If the URL contains funny characters, contact me.");
 482         }
 483
 484         $self->{notifycia} = $gcgi->wparam('notifycia');
 485         if ($self->{notifycia}) {
 486                 $self->{notifycia} =~ /^[a-zA-Z0-9._-]+$/
 487                         or $gcgi->err("Overly suspicious CIA notify project name. If it is actually valid, contact me.");
 488         }
 489
 490         if ($cgi->param('setstatusupdates')) {
 491                 my $val = $gcgi->wparam('statusupdates') || '0';
 492                 $self->{statusupdates} = $val ? 1 : 0;
 493         }
 494
 495         not $gcgi->err_check;
 496 }
 497
 498 sub form_defaults {
 499         my $self = shift;
 500         (
 501                 name => $self->{name},
 502                 email => $self->{email},
 503                 url => $self->{url},
 504                 desc => html_esc($self->{desc}),
 505                 README => html_esc($self->{README}),
 506                 hp => $self->{hp},
 507                 users => $self->{users},
 508                 notifymail => html_esc($self->{notifymail}),
 509                 notifyjson => html_esc($self->{notifyjson}),
 510                 notifycia => html_esc($self->{notifycia}),
 511         );
 512 }
 513
 514 # return true if $enc_passwd is a match for $plain_passwd
 515 my $_check_passwd_match = sub {
 516         my $enc_passwd = shift;
 517         my $plain_passwd = shift;
 518         defined($enc_passwd) or $enc_passwd = '';
 519         defined($plain_passwd) or $plain_passwd = '';
 520         # $enc_passwd may be crypt or crypt_sha1
 521         if ($enc_passwd =~ m(^\$sha1\$(\d+)\$([./0-9A-Za-z]{1,64})\$[./0-9A-Za-z]{28}$)) {
 522                 # It's using sha1-crypt
 523                 return $enc_passwd eq crypt_sha1($plain_passwd, $2, -(0+$1));
 524         } else {
 525                 # It's using crypt
 526                 return $enc_passwd eq crypt($plain_passwd, $enc_passwd);
 527         }
 528 };
 529
 530 sub authenticate {
 531         my $self = shift;
 532         my ($gcgi) = @_;
 533
 534         $self->{ccrypt} or die "Can't authenticate against a project with no password";
 535         defined($self->{cpwd}) or $self->{cpwd} = '';
 536         unless ($_check_passwd_match->($self->{ccrypt}, $self->{cpwd})) {
 537                 $gcgi->err("Your admin password does not match!");
 538                 return 0;
 539         }
 540         return 1;
 541 }
 542
 543 # return true if the password from the file is empty or consists of all the same
 544 # character.  However, if the project was NOT loaded from the group file
 545 # (!self->{loaded}) then the password is never locked.
 546 # This function does NOT check $Girocco::Config::project_passwords, the caller
 547 # is responsible for doing so if desired.  Same for $self->{email}.
 548 sub is_password_locked {
 549         my $self = shift;
 550
 551         $self->{loaded} or return 0;
 552         my $testcrypt = $self->{ccrypt}; # The value from the group file
 553         defined($testcrypt) or $testcrypt = '';
 554         $testcrypt ne '' or return 1; # No password at all
 555         $testcrypt =~ /^(.)\1*$/ and return 1; # Bogus crypt value
 556         return 0; # Not locked
 557 }
 558
 559 sub _setup {
 560         use POSIX qw(strftime);
 561         my $self = shift;
 562         my ($pushers) = @_;
 563
 564         $self->_mkdir_forkees;
 565
 566         mkdir($self->{path}) or die "mkdir $self->{path} failed: $!";
 567         if ($Girocco::Config::owning_group) {
 568                 my $gid = scalar(getgrnam($Girocco::Config::owning_group));
 569                 chown(-1, $gid, $self->{path}) or die "chgrp $gid $self->{path} failed: $!";
 570                 chmod(02775, $self->{path}) or die "chmod 02775 $self->{path} failed: $!";
 571         } else {
 572                 chmod(02777, $self->{path}) or die "chmod 02777 $self->{path} failed: $!";
 573         }
 574         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'init', '--quiet', '--bare', '--shared='.$self->shared_mode()) == 0
 575                 or die "git init $self->{path} failed: $?";
 576         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'receive.denyNonFastforwards', 'false') == 0
 577                 or die "disabling receive.denyNonFastforwards failed: $?";
 578         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'gc.auto', '0') == 0
 579                 or die "disabling gc.auto failed: $?";
 580         my ($S,$M,$H,$d,$m,$y) = gmtime(time());
 581         $self->{creationtime} = strftime("%Y-%m-%dT%H:%M:%SZ", $S, $M, $H, $d, $m, $y, -1, -1, -1);
 582         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'girocco.creationtime', $self->{creationtime}) == 0
 583                 or die "setting girocco.creationtime failed: $?";
 584         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'repack.writebitmaps', 'true') == 0
 585                 or die "enabling repack.writebitmaps failed: $?";
 586
 587         # /info must have right permissions,
 588         # and git init didn't do it for some reason.
 589         # config must have correct permissions.
 590         # and Git 2.1.0 - 2.2.1 incorrectly add +x for some reason.
 591         if ($Girocco::Config::owning_group) {
 592                 chmod(02775, $self->{path}."/info") or die "chmod 02775 $self->{path}/info failed: $!";
 593                 chmod(0664, $self->{path}."/config") or die "chmod 0664 $self->{path}/config failed: $!";
 594         } else {
 595                 chmod(02777, $self->{path}."/info") or die "chmod 02777 $self->{path}/info failed: $!";
 596                 chmod(0666, $self->{path}."/config") or die "chmod 0666 $self->{path}/config failed: $!";
 597         }
 598
 599         $self->_properties_save;
 600         $self->_alternates_setup;
 601         $self->_ctags_setup;
 602         $self->_group_remove;
 603         $self->_group_add($pushers);
 604         $self->_hooks_install;
 605         #$self->perm_initialize;
 606         $self->_update_index;
 607 }
 608
 609 sub premirror {
 610         my $self = shift;
 611
 612         $self->_setup(':');
 613         $self->_clonep(1);
 614         $self->perm_initialize;
 615 }
 616
 617 sub conjure {
 618         my $self = shift;
 619
 620         $self->_setup;
 621         $self->_nofetch(1);
 622         if ($Girocco::Config::mob && $Girocco::Config::mob eq "mob") {
 623                 system("$Girocco::Config::basedir/bin/create-personal-mob-area", $self->{name}) == 0
 624                         or die "create-personal-mob-area $self->{name} failed";
 625         }
 626         $self->perm_initialize;
 627 }
 628
 629 sub clone {
 630         my $self = shift;
 631
 632         unlink ($self->_clonefail_path()); # Ignore EEXIST error
 633         unlink ($self->_clonelog_path()); # Ignore EEXIST error
 634
 635         use IO::Socket;
 636         my $sock = IO::Socket::UNIX->new($Girocco::Config::chroot.'/etc/taskd.socket') or die "cannot connect to taskd.socket: $!";
 637         $sock->print("clone ".$self->{name}."\n");
 638         # Just ignore reply, we are going to succeed anyway and the I/O
 639         # would apparently get quite hairy.
 640         $sock->flush();
 641         sleep 2; # *cough*
 642         $sock->close();
 643 }
 644
 645 sub update {
 646         my $self = shift;
 647
 648         $self->_properties_save;
 649         $self->_group_update;
 650
 651         if (exists($self->{tags_to_delete})) {
 652                 $self->delete_ctag($_) foreach(@{$self->{tags_to_delete}});
 653         }
 654
 655         $self->set_HEAD($self->{HEAD}) unless $self->{orig_HEAD} eq $self->{HEAD};
 656
 657         my @users_add = grep { $a = $_; not scalar grep { $a eq $_ } $self->{orig_users} } $self->{users};
 658         my @users_del = grep { $a = $_; not scalar grep { $a eq $_ } $self->{users} } $self->{orig_users};
 659         $self->perm_user_add($_, Girocco::User::resolve_uid($_)) foreach (@users_add);
 660         $self->perm_user_del($_, Girocco::User::resolve_uid($_)) foreach (@users_del);
 661
 662         $self->_update_index if $self->{email} ne $self->{orig_email};
 663         $self->{orig_email} = $self->{email};
 664
 665         1;
 666 }
 667
 668 sub update_password {
 669         my $self = shift;
 670         my ($pwd) = @_;
 671
 672         $self->{crypt} = scrypt_sha1($pwd);
 673         $self->_group_update;
 674 }
 675
 676 # You can explicitly do this just on a ghost() repository too.
 677 sub delete {
 678         my $self = shift;
 679
 680         if (-d $self->{path}) {
 681                 system('rm', '-rf', $self->{path}) == 0
 682                         or die "rm -rf $self->{path} failed: $?";
 683         }
 684         # attempt to clean up any empty fork directories by removing them
 685         my @pelems = split('/', $self->{name});
 686         while (@pelems > 1) {
 687                 pop @pelems;
 688                 # okay to fail
 689                 rmdir join('/', $Girocco::Config::reporoot, @pelems) or last;
 690         }
 691         $self->_group_remove;
 692         $self->_update_index;
 693 }
 694
 695 sub _contains_files {
 696         my $dir = shift;
 697         (-d $dir) or return 0;
 698         opendir(my $dh, $dir) or die "opendir $dir failed: $!";
 699         while (my $entry = readdir($dh)) {
 700                 next if $entry eq '' || $entry eq '.' || $entry eq '..';
 701                 closedir($dh), return 1
 702                         if -f "$dir/$entry" ||
 703                         -d "$dir/$entry" && _contains_files("$dir/$entry");
 704         }
 705         closedir($dh);
 706         return 0;
 707 }
 708
 709 sub has_forks {
 710         my $self = shift;
 711
 712         return _contains_files($Girocco::Config::reporoot.'/'.$self->{name});
 713 }
 714
 715 sub is_empty {
 716         # A project is considered empty if the git repository does not
 717         # have any refs.  This means packed-refs does not exist or is
 718         # empty or only has lines starting with '#' AND there are no
 719         # files in the refs subdirectory hierarchy (no matter how deep).
 720
 721         my $self = shift;
 722
 723         (-d $self->{path}) or return 0;
 724         if (-e $self->{path}.'/packed-refs') {
 725                 open(my $pr, '<', $self->{path}.'/packed-refs')
 726                         or die "open $self->{path}./packed-refs failed: $!";
 727                 my $foundref = 0;
 728                 while (my $ref = <$pr>) {
 729                         next if $ref =~ /^#/;
 730                         $foundref = 1;
 731                         last;
 732                 }
 733                 close($pr);
 734                 return 0 if $foundref;
 735         }
 736         (-d $self->{path}.'/refs') or return 1;
 737         return !_contains_files($self->{path}.'/refs');
 738 }
 739
 740 sub delete_ctag {
 741         my $self = shift;
 742         my ($ctag) = @_;
 743
 744         # sanity check, disallow filenames starting with . .. or /
 745         unlink($self->{path}.'/ctags/'.$ctag) if($ctag !~ m|^(\.\.?)/|);
 746 }
 747
 748 sub get_ctag_names {
 749         my $self = shift;
 750         my @ctags = ();
 751         opendir(my $dh, $self->{path}.'/ctags')
 752                 or return @ctags;
 753         @ctags = grep { -f "$self->{path}/ctags/$_" } readdir($dh);
 754         closedir($dh);
 755         return @ctags;
 756 }
 757
 758 sub get_heads {
 759         my $self = shift;
 760         my $fh;
 761         open($fh, '-|', "$Girocco::Config::git_bin --git-dir=$self->{path} show-ref --heads") or die "could not get list of heads";
 762         my @res;
 763         while (<$fh>) {
 764                 chomp;
 765                 next if !m#^[0-9a-f]{40}\s+refs/heads/(.+)$ #x;
 766                 push @res, $1;
 767         }
 768         close $fh;
 769         @res;
 770 }
 771
 772 sub get_HEAD {
 773         my $self = shift;
 774         my $HEAD = `$Girocco::Config::git_bin --git-dir=$self->{path} symbolic-ref HEAD`;
 775         chomp $HEAD;
 776         die "could not get HEAD" if ($HEAD !~ m{^refs/heads/(.+)$});
 777         return $1;
 778 }
 779
 780 sub set_HEAD {
 781         my $self = shift;
 782         my $newHEAD = shift;
 783         # Cursory checks only -- if you want to break your HEAD, be my guest
 784         if ($newHEAD =~ /^\/|['<>]|\.\.|\/$/) {
 785                 die "grossly invalid new HEAD: $newHEAD";
 786         }
 787         system($Girocco::Config::git_bin, "--git-dir=$self->{path}", 'symbolic-ref', 'HEAD', "refs/heads/$newHEAD");
 788         die "could not set HEAD" if ($? >> 8);
 789         ! -d "$self->{path}/mob" || $Girocco::Config::mob ne 'mob'
 790                 or system('cp', '-p', '-f', "$self->{path}/HEAD", "$self->{path}/mob/HEAD") == 0;
 791 }
 792
 793 sub gen_auth {
 794         my $self = shift;
 795         my ($type) = @_;
 796         $type = 'REPO' unless $type && $type =~ /^[A-Z]+$/;
 797
 798         $self->{authtype} = $type;
 799         {
 800                 no warnings;
 801                 $self->{auth} = sha1_hex(time . $$ . rand() . join(':',%$self));
 802         }
 803         my $expire = time + 24 * 3600;
 804         my $propval = "# ${type}AUTH $self->{auth} $expire";
 805         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'gitweb.repoauth', $propval);
 806         $self->{auth};
 807 }
 808
 809 sub del_auth {
 810         my $self = shift;
 811
 812         delete $self->{auth};
 813         delete $self->{authtype};
 814         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', '--unset', 'gitweb.repoauth');
 815 }
 816
 817 sub remove_user {
 818         my $self = shift;
 819         my ($username) = @_;
 820
 821         my $before_count = @{$self->{users}};
 822         $self->{users} = [grep { $_ ne $username } @{$self->{users}}];
 823         return @{$self->{users}} != $before_count;
 824 }
 825
 826 ### static methods
 827
 828 sub get_forkee_name {
 829         local $_ = $_[0];
 830         (m#^(.*)/.*?$#)[0]; #
 831 }
 832
 833 sub get_forkee_path {
 834         no warnings; # avoid silly 'unsuccessful stat on filename with \n' warning
 835         my $forkee = $Girocco::Config::reporoot.'/'.get_forkee_name($_[0]).'.git';
 836         -d $forkee ? $forkee : '';
 837 }
 838
 839 # Ultimately the full project/fork name could end up being part of a Git ref name
 840 # when a project's forks are combined into one giant repository for efficiency.
 841 # That means that the project/fork name must satisfy the Git ref name requirements:
 842 #
 843 #  1. Characters with an ASCII value less than or equal to 32 are not allowed
 844 #  2. The character with an ASCII value of 0x7F is not allowed
 845 #  3. The characters '~', '^', ':', '\', '*', '?', and '[' are not allowed
 846 #  4. The character '/' is a separator and is not allowed within a name
 847 #  5. The name may not start with '.' or end with '.'
 848 #  6. The name may not end with '.lock'
 849 #  7. The name may not contain the '..' sequence
 850 #  8. The name may not contain the '@{' sequence
 851 #  9. If multiple components are used (separated by '/'), no empty '' components
 852 #
 853 # We also prohibit a trailing '.git' on any path component and futher restrict
 854 # the allowed characters to alphanumeric and [+._-] where names must start with
 855 # an alphanumeric.
 856
 857 sub _valid_name_characters {
 858         local $_ = $_[0];
 859         (not m#^[/+._-]#)
 860                 and (not m#//#)
 861                 and (not m#\.\.#)
 862                 and (not m#/[+._-]#)
 863                 and (not m#\./#)
 864                 and (not m#\.$#)
 865                 and (not m#\.git/#i)
 866                 and (not m#\.git$#i)
 867                 and (not m#\.lock/#i)
 868                 and (not m#\.lock$#i)
 869                 and (not m#/$#)
 870                 and m#^[a-zA-Z0-9/+._-]+$#;
 871 }
 872
 873 sub valid_name {
 874         no warnings; # avoid silly 'unsuccessful stat on filename with \n' warning
 875         local $_ = $_[0];
 876         _valid_name_characters($_) and not exists($reservedprojectnames{lc($_)})
 877                 and @{[m#/#g]} <= 5 # maximum fork depth is 5
 878                 and ((not m#/#) or -d get_forkee_path($_)); # will also catch ^/
 879 }
 880
 881 # It's possible that some forks have been kept but the forkee is gone.
 882 # In this case the standard valid_name check is too strict.
 883 sub does_exist {
 884         no warnings; # avoid silly 'unsuccessful stat on filename with \n' warning
 885         my ($name, $nodie) = @_;
 886         my $okay = (
 887                 _valid_name_characters($name)
 888                 and ((not $name =~ m#/#)
 889                         or -d get_forkee_path($name)
 890                         or -d $Girocco::Config::reporoot.'/'.get_forkee_name($name)));
 891         (!$okay && $nodie) and return undef;
 892         !$okay and die "tried to query for project with invalid name $name!";
 893         (-d $Girocco::Config::reporoot."/$name.git");
 894 }
 895
 896 sub get_full_list {
 897         my $class = shift;
 898         my @projects;
 899
 900         open F, '<', jailed_file("/etc/group") or die "getting project list failed: $!";
 901         while (<F>) {
 902                 chomp;
 903                 @_ = split /:+/;
 904                 next if ($_[2] < 65536);
 905
 906                 push @projects, $_[0];
 907         }
 908         close F;
 909         @projects;
 910 }
 911
 912
 913 1;