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::ProjPerm;
  11         use Girocco::Config;
  12         use base ('Girocco::ProjPerm::'.$Girocco::Config::permission_control); # mwahaha
  13 }
  14
  15 our $metadata_fields = {
  16         homepage => ['Homepage URL', 'hp', 'text'],
  17         shortdesc => ['Short description', 'desc', 'text'],
  18         README => ['README (HTML, lt 8kb)', 'README', 'textarea'],
  19         notifymail => ['Commit notifications - mail to', 'notifymail', 'text'],
  20         notifyjson => ['Commit notifications - POST JSON at', 'notifyjson', 'text'],
  21         notifycia =>  ['Commit notifications - CIA project name', 'notifycia', 'text'],
  22 };
  23
  24 sub _mkdir_forkees {
  25         my $self = shift;
  26         my @pelems = split('/', $self->{name});
  27         pop @pelems; # do not create dir for the project itself
  28         my $path = $self->{base_path};
  29         foreach my $pelem (@pelems) {
  30                 $path .= "/$pelem";
  31                 (-d "$path") or mkdir $path or die "mkdir $path: $!";
  32                 chmod 0775, $path; # ok if fails (dir may already exist and be owned by someone else)
  33         }
  34 }
  35
  36 our %propmap = (
  37         url => ':baseurl',
  38         email => ':owner',
  39         desc => 'description',
  40         README => 'README.html',
  41         hp => ':homepage',
  42         notifymail => '%hooks.mailinglist',
  43         notifyjson => '%hooks.jsonurl',
  44         notifycia => '%hooks.cianame',
  45 );
  46
  47 sub _property_path {
  48         my $self = shift;
  49         my ($name) = @_;
  50         $self->{path}.'/'.$name;
  51 }
  52
  53 sub _property_fget {
  54         my $self = shift;
  55         my ($name) = @_;
  56         my $pname = $propmap{$name};
  57         $pname or die "unknown property: $name";
  58         if ($pname =~ s/^://) {
  59                 my $val = `git --git-dir="$self->{path}" config "gitweb.$pname"`;
  60                 chomp $val;
  61                 return $val;
  62         } elsif ($pname =~ s/^%//) {
  63                 my $val = `git --git-dir="$self->{path}" config "$pname"`;
  64                 chomp $val;
  65                 return $val;
  66         }
  67
  68         open P, $self->_property_path($pname) or return undef;
  69         my @value = <P>;
  70         close P;
  71         my $value = join('', @value); chomp $value;
  72         $value;
  73 }
  74
  75 sub _property_fput {
  76         my $self = shift;
  77         my ($name, $value) = @_;
  78         my $pname = $propmap{$name};
  79         $pname or die "unknown property: $name";
  80         $value ||= '';
  81         if ($pname =~ s/^://) {
  82                 system('git', '--git-dir='.$self->{path}, 'config', "gitweb.$pname", $value);
  83         } elsif ($pname =~ s/^%//) {
  84                 system('git', '--git-dir='.$self->{path}, 'config', $pname, $value);
  85         }
  86
  87         my $P = lock_file($self->_property_path($pname));
  88         $value ne '' and print $P "$value\n";
  89         close $P;
  90         unlock_file($self->_property_path($pname));
  91 }
  92
  93 sub _properties_load {
  94         my $self = shift;
  95         foreach my $prop (keys %propmap) {
  96                 $self->{$prop} = $self->_property_fget($prop);
  97         }
  98 }
  99
 100 sub _properties_save {
 101         my $self = shift;
 102         foreach my $prop (keys %propmap) {
 103                 $self->_property_fput($prop, $self->{$prop});
 104         }
 105 }
 106
 107 sub _nofetch_path {
 108         my $self = shift;
 109         $self->_property_path('.nofetch');
 110 }
 111
 112 sub _nofetch {
 113         my $self = shift;
 114         my ($nofetch) = @_;
 115         my $np = $self->_nofetch_path;
 116         if ($nofetch) {
 117                 open X, '>'.$np or die "nofetch failed: $!";
 118                 close X;
 119         } else {
 120                 unlink $np or die "yesfetch failed: $!";
 121         }
 122 }
 123
 124 sub _clonelog_path {
 125         my $self = shift;
 126         $self->_property_path('.clonelog');
 127 }
 128
 129 sub _clonefail_path {
 130         my $self = shift;
 131         $self->_property_path('.clone_failed');
 132 }
 133
 134 sub _clonep_path {
 135         my $self = shift;
 136         $self->_property_path('.clone_in_progress');
 137 }
 138
 139 sub _clonep {
 140         my $self = shift;
 141         my ($nofetch) = @_;
 142         my $np = $self->_clonep_path;
 143         if ($nofetch) {
 144                 open X, '>'.$np or die "clonep failed: $!";
 145                 close X;
 146         } else {
 147                 unlink $np or die "clonef failed: $!";
 148         }
 149 }
 150 sub _alternates_setup {
 151         my $self = shift;
 152         return unless $self->{name} =~ m#/#;
 153         my $forkee_name = get_forkee_name($self->{name});
 154         my $forkee_path = get_forkee_path($self->{name});
 155         return unless -d $forkee_path;
 156         mkdir $self->{path}.'/refs'; chmod 0775, $self->{path}.'/refs';
 157         mkdir $self->{path}.'/objects'; chmod 0775, $self->{path}.'/objects';
 158         mkdir $self->{path}.'/objects/info'; chmod 0775, $self->{path}.'/objects/info';
 159
 160         # We set up both alternates and http_alternates since we cannot use
 161         # relative path in alternates - that doesn't work recursively.
 162
 163         my $filename = $self->{path}.'/objects/info/alternates';
 164         open X, '>'.$filename or die "alternates failed: $!";
 165         print X "$forkee_path/objects\n";
 166         close X;
 167         chmod 0664, $filename or warn "cannot chmod $filename: $!";
 168
 169         if ($Girocco::Config::httppullurl) {
 170                 $filename = $self->{path}.'/objects/info/http-alternates';
 171                 open X, '>'.$filename or die "http-alternates failed: $!";
 172                 my $upfork = $forkee_name;
 173                 do { print X "$Girocco::Config::httppullurl/$upfork.git/objects\n"; } while ($upfork =~ s#/?.+?$## and $upfork); #
 174                 close X;
 175                 chmod 0664, $filename or warn "cannot chmod $filename: $!";
 176         }
 177
 178         # The symlink is problematic since git remote prune will traverse it.
 179         #symlink "$forkee_path/refs", $self->{path}.'/refs/forkee';
 180 }
 181
 182 sub _ctags_setup {
 183         my $self = shift;
 184         mkdir $self->{path}.'/ctags'; chmod 01777, $self->{path}.'/ctags';
 185 }
 186
 187 sub _group_add {
 188         my $self = shift;
 189         my ($xtra) = @_;
 190         $xtra .= join(',', @{$self->{users}});
 191         filedb_atomic_append(jailed_file('/etc/group'),
 192                 join(':', $self->{name}, $self->{crypt}, '\i', $xtra));
 193 }
 194
 195 sub _group_update {
 196         my $self = shift;
 197         my $xtra = join(',', @{$self->{users}});
 198         filedb_atomic_edit(jailed_file('/etc/group'),
 199                 sub {
 200                         $_ = $_[0];
 201                         chomp;
 202                         if ($self->{name} eq (split /:/)[0]) {
 203                                 # preserve readonly flag
 204                                 s/::([^:]*)$/:$1/ and $xtra = ":$xtra";
 205                                 return join(':', $self->{name}, $self->{crypt}, $self->{gid}, $xtra)."\n";
 206                         } else {
 207                                 return "$_\n";
 208                         }
 209                 }
 210         );
 211 }
 212
 213 sub _group_remove {
 214         my $self = shift;
 215         filedb_atomic_edit(jailed_file('/etc/group'),
 216                 sub {
 217                         $self->{name} ne (split /:/)[0] and return $_;
 218                 }
 219         );
 220 }
 221
 222 sub _hook_path {
 223         my $self = shift;
 224         my ($name) = @_;
 225         $self->{path}.'/hooks/'.$name;
 226 }
 227
 228 sub _hook_install {
 229         my $self = shift;
 230         my ($name) = @_;
 231         open SRC, "$Girocco::Config::basedir/$name-hook" or die "cannot open hook $name: $!";
 232         open DST, '>'.$self->_hook_path($name) or die "cannot open hook $name for writing: $!";
 233         while (<SRC>) { print DST $_; }
 234         close DST;
 235         close SRC;
 236         chmod 0775, $self->_hook_path($name) or die "cannot chmod hook $name: $!";
 237 }
 238
 239 sub _hooks_install {
 240         my $self = shift;
 241         foreach my $hook ('post-receive', 'update') {
 242                 $self->_hook_install($hook);
 243         }
 244 }
 245
 246 # private constructor, do not use
 247 sub _new {
 248         my $class = shift;
 249         my ($name, $base_path, $path) = @_;
 250         valid_name($name) or die "refusing to create project with invalid name ($name)!";
 251         $path ||= "$base_path/$name.git";
 252         my $proj = { name => $name, base_path => $base_path, path => $path };
 253
 254         bless $proj, $class;
 255 }
 256
 257 # public constructor #0
 258 # creates a virtual project not connected to disk image
 259 # you can conjure() it later to disk
 260 sub ghost {
 261         my $class = shift;
 262         my ($name, $mirror) = @_;
 263         my $self = $class->_new($name, $Girocco::Config::reporoot);
 264         $self->{users} = [];
 265         $self->{mirror} = $mirror;
 266         $self;
 267 }
 268
 269 # public constructor #1
 270 sub load {
 271         my $class = shift;
 272         my ($name) = @_;
 273
 274         open F, jailed_file("/etc/group") or die "project load failed: $!";
 275         while (<F>) {
 276                 chomp;
 277                 @_ = split /:+/;
 278                 next unless (shift eq $name);
 279
 280                 my $self = $class->_new($name, $Girocco::Config::reporoot);
 281                 (-d $self->{path}) or die "invalid path (".$self->{path}.") for project ".$self->{name};
 282
 283                 my $ulist;
 284                 ($self->{crypt}, $self->{gid}, $ulist) = @_;
 285                 $ulist ||= '';
 286                 $self->{users} = [split /,/, $ulist];
 287                 $self->{orig_users} = [@{$self->{users}}];
 288                 $self->{mirror} = ! -e $self->_nofetch_path;
 289                 $self->{clone_in_progress} = -e $self->_clonep_path;
 290                 $self->{clone_logged} = -e $self->_clonelog_path;
 291                 $self->{clone_failed} = -e $self->_clonefail_path;
 292                 $self->{ccrypt} = $self->{crypt};
 293
 294                 $self->_properties_load;
 295                 return $self;
 296         }
 297         close F;
 298         undef;
 299 }
 300
 301 # $proj may not be in sane state if this returns false!
 302 sub cgi_fill {
 303         my $self = shift;
 304         my ($gcgi) = @_;
 305         my $cgi = $gcgi->cgi;
 306
 307         my ($pwd, $pwd2) = ($cgi->param('pwd'), $cgi->param('pwd2'));
 308         $pwd ||= ''; $pwd2 ||= ''; # in case passwords are disabled
 309         if ($pwd or not $self->{crypt}) {
 310                 $self->{crypt} = scrypt($pwd);
 311         }
 312
 313         if ($pwd2 and $pwd ne $pwd2) {
 314                 $gcgi->err("Our high-paid security consultants have determined that the admin passwords you have entered do not match each other.");
 315         }
 316
 317         $self->{cpwd} = $cgi->param('cpwd');
 318
 319         if ($Girocco::Config::project_owners eq 'email') {
 320                 $self->{email} = $gcgi->wparam('email');
 321                 valid_email($self->{email})
 322                         or $gcgi->err("Your email sure looks weird...?");
 323         }
 324
 325         $self->{url} = $gcgi->wparam('url');
 326         if ($self->{url}) {
 327                 valid_repo_url($self->{url})
 328                         or $gcgi->err("Invalid URL. Note that only HTTP and Git protocol is supported. If the URL contains funny characters, contact me.");
 329         }
 330
 331         $self->{desc} = $gcgi->wparam('desc');
 332         length($self->{desc}) <= 1024
 333                 or $gcgi->err("<b>Short</b> description length &gt; 1kb!");
 334
 335         $self->{README} = $gcgi->wparam('README');
 336         length($self->{README}) <= 8192
 337                 or $gcgi->err("README length &gt; 8kb!");
 338
 339         $self->{hp} = $gcgi->wparam('hp');
 340         if ($self->{hp}) {
 341                 valid_web_url($self->{hp})
 342                         or $gcgi->err("Invalid homepage URL. Note that only HTTP protocol is supported. If the URL contains funny characters, contact me.");
 343         }
 344
 345         # FIXME: Permit only existing users
 346         $self->{users} = [grep { Girocco::User::valid_name($_) } $cgi->param('user')];
 347
 348         not $gcgi->err_check;
 349 }
 350
 351 sub form_defaults {
 352         my $self = shift;
 353         (
 354                 name => $self->{name},
 355                 email => $self->{email},
 356                 url => $self->{url},
 357                 desc => html_esc($self->{desc}),
 358                 README => html_esc($self->{README}),
 359                 hp => $self->{hp},
 360                 users => $self->{users},
 361         );
 362 }
 363
 364 sub authenticate {
 365         my $self = shift;
 366         my ($gcgi) = @_;
 367
 368         $self->{ccrypt} or die "Can't authenticate against a project with no password";
 369         $self->{cpwd} ||= '';
 370         unless ($self->{ccrypt} eq crypt($self->{cpwd}, $self->{ccrypt})) {
 371                 $gcgi->err("Your admin password does not match!");
 372                 return 0;
 373         }
 374         return 1;
 375 }
 376
 377 sub _setup {
 378         my $self = shift;
 379         my ($pushers) = @_;
 380
 381         $self->_mkdir_forkees;
 382
 383         mkdir($self->{path}) or die "mkdir $self->{path} failed: $!";
 384         if ($Girocco::Config::owning_group) {
 385                 my $gid = scalar(getgrnam($Girocco::Config::owning_group));
 386                 chown(-1, $gid, $self->{path}) or die "chgrp $gid $self->{path} failed: $!";
 387                 chmod(02775, $self->{path}) or die "chmod 2775 $self->{path} failed: $!";
 388         } else {
 389                 chmod(02777, $self->{path}) or die "chmod 2777 $self->{path} failed: $!";
 390         }
 391         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'init', '--bare', '--shared='.$self->shared_mode()) == 0
 392                 or die "git init $self->{path} failed: $?";
 393         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'receive.denyNonFastforwards', 'false') == 0
 394                 or die "disabling receive.denyNonFastforwards failed: $?";
 395         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'gc.auto', '0') == 0
 396                 or die "disabling gc.auto failed: $?";
 397
 398         # /info must have right permissions even before the fixup job,
 399         # and git init didn't do it for some reason.
 400         if ($Girocco::Config::owning_group) {
 401                 chmod(02775, $self->{path}."/info") or die "chmod 2775 $self->{path}/info failed: $!";
 402         } else {
 403                 chmod(02777, $self->{path}."/info") or die "chmod 2777 $self->{path}/info failed: $!";
 404         }
 405
 406         $self->_properties_save;
 407         $self->_alternates_setup;
 408         $self->_ctags_setup;
 409         $self->_group_add($pushers);
 410         $self->_hooks_install;
 411         $self->perm_initialize;
 412         system($Girocco::Config::basedir . '/gitweb/genindex.sh');
 413 }
 414
 415 sub premirror {
 416         my $self = shift;
 417
 418         $self->_setup(':');
 419         $self->_clonep(1);
 420 }
 421
 422 sub conjure {
 423         my $self = shift;
 424
 425         $self->_setup;
 426         $self->_nofetch(1);
 427 }
 428
 429 sub clone {
 430         my $self = shift;
 431
 432         unlink ($self->_clonefail_path()); # Ignore EEXIST error
 433         unlink ($self->_clonelog_path()); # Ignore EEXIST error
 434
 435         use IO::Socket;
 436         my $sock = IO::Socket::UNIX->new($Girocco::Config::chroot.'/etc/taskd.socket') or die "cannot connect to taskd.socket: $!";
 437         $sock->print("clone ".$self->{name}."\n");
 438         # Just ignore reply, we are going to succeed anyway and the I/O
 439         # would apparently get quite hairy.
 440         $sock->flush();
 441         sleep 2; # *cough*
 442         $sock->close();
 443 }
 444
 445 sub update {
 446         my $self = shift;
 447
 448         $self->_properties_save;
 449         $self->_group_update;
 450
 451         my @users_add = grep { $a = $_; not scalar grep { $a eq $_ } $self->{orig_users} } $self->{users};
 452         my @users_del = grep { $a = $_; not scalar grep { $a eq $_ } $self->{users} } $self->{orig_users};
 453         $self->perm_user_add($_, Girocco::User::resolve_uid($_)) foreach (@users_add);
 454         $self->perm_user_del($_, Girocco::User::resolve_uid($_)) foreach (@users_del);
 455
 456         1;
 457 }
 458
 459 sub update_password {
 460         my $self = shift;
 461         my ($pwd) = @_;
 462
 463         $self->{crypt} = scrypt($pwd);
 464         $self->_group_update;
 465 }
 466
 467 # You can explicitly do this just on a ghost() repository too.
 468 sub delete {
 469         my $self = shift;
 470
 471         if (-d $self->{path}) {
 472                 system('rm', '-rf', $self->{path}) == 0
 473                         or die "rm -rf $self->{path} failed: $?";
 474         }
 475         $self->_group_remove;
 476 }
 477
 478 sub has_forks {
 479         my $self = shift;
 480
 481         return glob($Girocco::Config::reporoot.'/'.$self->{name}.'/*');
 482 }
 483
 484
 485 ### static methods
 486
 487 sub get_forkee_name {
 488         $_ = $_[0];
 489         (m#^(.*)/.*?$#)[0]; #
 490 }
 491 sub get_forkee_path {
 492         my $forkee = $Girocco::Config::reporoot.'/'.get_forkee_name($_[0]).'.git';
 493         -d $forkee ? $forkee : '';
 494 }
 495
 496 sub valid_name {
 497         $_ = $_[0];
 498         (not m#/# or -d get_forkee_path($_)) # will also catch ^/
 499                 and (not m#\./#)
 500                 and (not m#/$#)
 501                 and m#^[a-zA-Z0-9+./_-]+$#;
 502 }
 503
 504 sub does_exist {
 505         my ($name) = @_;
 506         valid_name($name) or die "tried to query for project with invalid name $name!";
 507         (-d $Girocco::Config::reporoot."/$name.git");
 508 }
 509
 510
 511 1;