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 notify - mail to', 'notifymail', 'text'],
  20         notifyjson => ['Commit notify - <a href="http://help.github.com/post-receive-hooks/">POST JSON</a> at', 'notifyjson', 'text'],
  21         notifycia =>  ['Commit notify - <a href="http://cia.vc/doc/">CIA project</a> 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", $value);
  83                 return;
  84         } elsif ($pname =~ s/^%//) {
  85                 system('git', '--git-dir='.$self->{path}, 'config', $pname, $value);
  86                 return;
  87         }
  88
  89         my $P = lock_file($self->_property_path($pname));
  90         $value ne '' and print $P "$value\n";
  91         close $P;
  92         unlock_file($self->_property_path($pname));
  93 }
  94
  95 sub _properties_load {
  96         my $self = shift;
  97         foreach my $prop (keys %propmap) {
  98                 $self->{$prop} = $self->_property_fget($prop);
  99         }
 100 }
 101
 102 sub _properties_save {
 103         my $self = shift;
 104         foreach my $prop (keys %propmap) {
 105                 $self->_property_fput($prop, $self->{$prop});
 106         }
 107 }
 108
 109 sub _nofetch_path {
 110         my $self = shift;
 111         $self->_property_path('.nofetch');
 112 }
 113
 114 sub _nofetch {
 115         my $self = shift;
 116         my ($nofetch) = @_;
 117         my $np = $self->_nofetch_path;
 118         if ($nofetch) {
 119                 open X, '>'.$np or die "nofetch failed: $!";
 120                 close X;
 121         } else {
 122                 unlink $np or die "yesfetch failed: $!";
 123         }
 124 }
 125
 126 sub _clonelog_path {
 127         my $self = shift;
 128         $self->_property_path('.clonelog');
 129 }
 130
 131 sub _clonefail_path {
 132         my $self = shift;
 133         $self->_property_path('.clone_failed');
 134 }
 135
 136 sub _clonep_path {
 137         my $self = shift;
 138         $self->_property_path('.clone_in_progress');
 139 }
 140
 141 sub _clonep {
 142         my $self = shift;
 143         my ($nofetch) = @_;
 144         my $np = $self->_clonep_path;
 145         if ($nofetch) {
 146                 open X, '>'.$np or die "clonep failed: $!";
 147                 close X;
 148         } else {
 149                 unlink $np or die "clonef failed: $!";
 150         }
 151 }
 152 sub _alternates_setup {
 153         my $self = shift;
 154         return unless $self->{name} =~ m#/#;
 155         my $forkee_name = get_forkee_name($self->{name});
 156         my $forkee_path = get_forkee_path($self->{name});
 157         return unless -d $forkee_path;
 158         mkdir $self->{path}.'/refs'; chmod 0775, $self->{path}.'/refs';
 159         mkdir $self->{path}.'/objects'; chmod 0775, $self->{path}.'/objects';
 160         mkdir $self->{path}.'/objects/info'; chmod 0775, $self->{path}.'/objects/info';
 161
 162         # We set up both alternates and http_alternates since we cannot use
 163         # relative path in alternates - that doesn't work recursively.
 164
 165         my $filename = $self->{path}.'/objects/info/alternates';
 166         open X, '>'.$filename or die "alternates failed: $!";
 167         print X "$forkee_path/objects\n";
 168         close X;
 169         chmod 0664, $filename or warn "cannot chmod $filename: $!";
 170
 171         if ($Girocco::Config::httppullurl) {
 172                 $filename = $self->{path}.'/objects/info/http-alternates';
 173                 open X, '>'.$filename or die "http-alternates failed: $!";
 174                 my $upfork = $forkee_name;
 175                 do { print X "$Girocco::Config::httppullurl/$upfork.git/objects\n"; } while ($upfork =~ s#/?.+?$## and $upfork); #
 176                 close X;
 177                 chmod 0664, $filename or warn "cannot chmod $filename: $!";
 178         }
 179
 180         # The symlink is problematic since git remote prune will traverse it.
 181         #symlink "$forkee_path/refs", $self->{path}.'/refs/forkee';
 182 }
 183
 184 sub _ctags_setup {
 185         my $self = shift;
 186         mkdir $self->{path}.'/ctags'; chmod 01777, $self->{path}.'/ctags';
 187 }
 188
 189 sub _group_add {
 190         my $self = shift;
 191         my ($xtra) = @_;
 192         $xtra .= join(',', @{$self->{users}});
 193         filedb_atomic_append(jailed_file('/etc/group'),
 194                 join(':', $self->{name}, $self->{crypt}, '\i', $xtra));
 195 }
 196
 197 sub _group_update {
 198         my $self = shift;
 199         my $xtra = join(',', @{$self->{users}});
 200         filedb_atomic_edit(jailed_file('/etc/group'),
 201                 sub {
 202                         $_ = $_[0];
 203                         chomp;
 204                         if ($self->{name} eq (split /:/)[0]) {
 205                                 # preserve readonly flag
 206                                 s/::([^:]*)$/:$1/ and $xtra = ":$xtra";
 207                                 return join(':', $self->{name}, $self->{crypt}, $self->{gid}, $xtra)."\n";
 208                         } else {
 209                                 return "$_\n";
 210                         }
 211                 }
 212         );
 213 }
 214
 215 sub _group_remove {
 216         my $self = shift;
 217         filedb_atomic_edit(jailed_file('/etc/group'),
 218                 sub {
 219                         $self->{name} ne (split /:/)[0] and return $_;
 220                 }
 221         );
 222 }
 223
 224 sub _hook_path {
 225         my $self = shift;
 226         my ($name) = @_;
 227         $self->{path}.'/hooks/'.$name;
 228 }
 229
 230 sub _hook_install {
 231         my $self = shift;
 232         my ($name) = @_;
 233         open SRC, "$Girocco::Config::basedir/$name-hook" or die "cannot open hook $name: $!";
 234         open DST, '>'.$self->_hook_path($name) or die "cannot open hook $name for writing: $!";
 235         while (<SRC>) { print DST $_; }
 236         close DST;
 237         close SRC;
 238         chmod 0775, $self->_hook_path($name) or die "cannot chmod hook $name: $!";
 239 }
 240
 241 sub _hooks_install {
 242         my $self = shift;
 243         foreach my $hook ('post-receive', 'update') {
 244                 $self->_hook_install($hook);
 245         }
 246 }
 247
 248 # private constructor, do not use
 249 sub _new {
 250         my $class = shift;
 251         my ($name, $base_path, $path) = @_;
 252         valid_name($name) or die "refusing to create project with invalid name ($name)!";
 253         $path ||= "$base_path/$name.git";
 254         my $proj = { name => $name, base_path => $base_path, path => $path };
 255
 256         bless $proj, $class;
 257 }
 258
 259 # public constructor #0
 260 # creates a virtual project not connected to disk image
 261 # you can conjure() it later to disk
 262 sub ghost {
 263         my $class = shift;
 264         my ($name, $mirror) = @_;
 265         my $self = $class->_new($name, $Girocco::Config::reporoot);
 266         $self->{users} = [];
 267         $self->{mirror} = $mirror;
 268         $self;
 269 }
 270
 271 # public constructor #1
 272 sub load {
 273         my $class = shift;
 274         my ($name) = @_;
 275
 276         open F, jailed_file("/etc/group") or die "project load failed: $!";
 277         while (<F>) {
 278                 chomp;
 279                 @_ = split /:+/;
 280                 next unless (shift eq $name);
 281
 282                 my $self = $class->_new($name, $Girocco::Config::reporoot);
 283                 (-d $self->{path}) or die "invalid path (".$self->{path}.") for project ".$self->{name};
 284
 285                 my $ulist;
 286                 ($self->{crypt}, $self->{gid}, $ulist) = @_;
 287                 $ulist ||= '';
 288                 $self->{users} = [split /,/, $ulist];
 289                 $self->{orig_users} = [@{$self->{users}}];
 290                 $self->{mirror} = ! -e $self->_nofetch_path;
 291                 $self->{clone_in_progress} = -e $self->_clonep_path;
 292                 $self->{clone_logged} = -e $self->_clonelog_path;
 293                 $self->{clone_failed} = -e $self->_clonefail_path;
 294                 $self->{ccrypt} = $self->{crypt};
 295
 296                 $self->_properties_load;
 297                 return $self;
 298         }
 299         close F;
 300         undef;
 301 }
 302
 303 # $proj may not be in sane state if this returns false!
 304 sub cgi_fill {
 305         my $self = shift;
 306         my ($gcgi) = @_;
 307         my $cgi = $gcgi->cgi;
 308
 309         my ($pwd, $pwd2) = ($cgi->param('pwd'), $cgi->param('pwd2'));
 310         $pwd ||= ''; $pwd2 ||= ''; # in case passwords are disabled
 311         if ($pwd or not $self->{crypt}) {
 312                 $self->{crypt} = scrypt($pwd);
 313         }
 314
 315         if ($pwd2 and $pwd ne $pwd2) {
 316                 $gcgi->err("Our high-paid security consultants have determined that the admin passwords you have entered do not match each other.");
 317         }
 318
 319         $self->{cpwd} = $cgi->param('cpwd');
 320
 321         if ($Girocco::Config::project_owners eq 'email') {
 322                 $self->{email} = $gcgi->wparam('email');
 323                 valid_email($self->{email})
 324                         or $gcgi->err("Your email sure looks weird...?");
 325         }
 326
 327         $self->{url} = $gcgi->wparam('url');
 328         if ($self->{url}) {
 329                 valid_repo_url($self->{url})
 330                         or $gcgi->err("Invalid URL. Note that only HTTP and Git protocol is supported. If the URL contains funny characters, contact me.");
 331         }
 332
 333         $self->{desc} = $gcgi->wparam('desc');
 334         length($self->{desc}) <= 1024
 335                 or $gcgi->err("<b>Short</b> description length &gt; 1kb!");
 336
 337         $self->{README} = $gcgi->wparam('README');
 338         length($self->{README}) <= 8192
 339                 or $gcgi->err("README length &gt; 8kb!");
 340
 341         $self->{hp} = $gcgi->wparam('hp');
 342         if ($self->{hp}) {
 343                 valid_web_url($self->{hp})
 344                         or $gcgi->err("Invalid homepage URL. Note that only HTTP protocol is supported. If the URL contains funny characters, contact me.");
 345         }
 346
 347         # FIXME: Permit only existing users
 348         $self->{users} = [grep { Girocco::User::valid_name($_) } $cgi->param('user')];
 349
 350         $self->{notifymail} = $gcgi->wparam('notifymail');
 351         if ($self->{notifymail}) {
 352                 (valid_email_multi($self->{notifymail}) and length($self->{notifymail}) <= 512)
 353                         or $gcgi->err("Invalid notify e-mail address. Use mail,mail to specify multiple addresses; total length must not exceed 512 characters, however.");
 354         }
 355
 356         $self->{notifyjson} = $gcgi->wparam('notifyjson');
 357         if ($self->{notifyjson}) {
 358                 valid_web_url($self->{notifyjson})
 359                         or $gcgi->err("Invalid JSON notify URL. Note that only HTTP protocol is supported. If the URL contains funny characters, contact me.");
 360         }
 361
 362         $self->{notifycia} = $gcgi->wparam('notifycia');
 363         if ($self->{notifycia}) {
 364                 $self->{notifycia} =~ /^[a-zA-Z0-9._-]+$/
 365                         or $gcgi->err("Overly suspicious CIA notify project name. If it is actually valid, contact me.");
 366         }
 367
 368         not $gcgi->err_check;
 369 }
 370
 371 sub form_defaults {
 372         my $self = shift;
 373         (
 374                 name => $self->{name},
 375                 email => $self->{email},
 376                 url => $self->{url},
 377                 desc => html_esc($self->{desc}),
 378                 README => html_esc($self->{README}),
 379                 hp => $self->{hp},
 380                 users => $self->{users},
 381                 notifymail => html_esc($self->{notifymail}),
 382                 notifyjson => html_esc($self->{notifyjson}),
 383                 notifycia => html_esc($self->{notifycia}),
 384         );
 385 }
 386
 387 sub authenticate {
 388         my $self = shift;
 389         my ($gcgi) = @_;
 390
 391         $self->{ccrypt} or die "Can't authenticate against a project with no password";
 392         $self->{cpwd} ||= '';
 393         unless ($self->{ccrypt} eq crypt($self->{cpwd}, $self->{ccrypt})) {
 394                 $gcgi->err("Your admin password does not match!");
 395                 return 0;
 396         }
 397         return 1;
 398 }
 399
 400 sub _setup {
 401         my $self = shift;
 402         my ($pushers) = @_;
 403
 404         $self->_mkdir_forkees;
 405
 406         mkdir($self->{path}) or die "mkdir $self->{path} failed: $!";
 407         if ($Girocco::Config::owning_group) {
 408                 my $gid = scalar(getgrnam($Girocco::Config::owning_group));
 409                 chown(-1, $gid, $self->{path}) or die "chgrp $gid $self->{path} failed: $!";
 410                 chmod(02775, $self->{path}) or die "chmod 2775 $self->{path} failed: $!";
 411         } else {
 412                 chmod(02777, $self->{path}) or die "chmod 2777 $self->{path} failed: $!";
 413         }
 414         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'init', '--bare', '--shared='.$self->shared_mode()) == 0
 415                 or die "git init $self->{path} failed: $?";
 416         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'receive.denyNonFastforwards', 'false') == 0
 417                 or die "disabling receive.denyNonFastforwards failed: $?";
 418         system($Girocco::Config::git_bin, '--git-dir='.$self->{path}, 'config', 'gc.auto', '0') == 0
 419                 or die "disabling gc.auto failed: $?";
 420
 421         # /info must have right permissions even before the fixup job,
 422         # and git init didn't do it for some reason.
 423         if ($Girocco::Config::owning_group) {
 424                 chmod(02775, $self->{path}."/info") or die "chmod 2775 $self->{path}/info failed: $!";
 425         } else {
 426                 chmod(02777, $self->{path}."/info") or die "chmod 2777 $self->{path}/info failed: $!";
 427         }
 428
 429         $self->_properties_save;
 430         $self->_alternates_setup;
 431         $self->_ctags_setup;
 432         $self->_group_add($pushers);
 433         $self->_hooks_install;
 434         $self->perm_initialize;
 435         system($Girocco::Config::basedir . '/gitweb/genindex.sh');
 436 }
 437
 438 sub premirror {
 439         my $self = shift;
 440
 441         $self->_setup(':');
 442         $self->_clonep(1);
 443 }
 444
 445 sub conjure {
 446         my $self = shift;
 447
 448         $self->_setup;
 449         $self->_nofetch(1);
 450 }
 451
 452 sub clone {
 453         my $self = shift;
 454
 455         unlink ($self->_clonefail_path()); # Ignore EEXIST error
 456         unlink ($self->_clonelog_path()); # Ignore EEXIST error
 457
 458         use IO::Socket;
 459         my $sock = IO::Socket::UNIX->new($Girocco::Config::chroot.'/etc/taskd.socket') or die "cannot connect to taskd.socket: $!";
 460         $sock->print("clone ".$self->{name}."\n");
 461         # Just ignore reply, we are going to succeed anyway and the I/O
 462         # would apparently get quite hairy.
 463         $sock->flush();
 464         sleep 2; # *cough*
 465         $sock->close();
 466 }
 467
 468 sub update {
 469         my $self = shift;
 470
 471         $self->_properties_save;
 472         $self->_group_update;
 473
 474         my @users_add = grep { $a = $_; not scalar grep { $a eq $_ } $self->{orig_users} } $self->{users};
 475         my @users_del = grep { $a = $_; not scalar grep { $a eq $_ } $self->{users} } $self->{orig_users};
 476         $self->perm_user_add($_, Girocco::User::resolve_uid($_)) foreach (@users_add);
 477         $self->perm_user_del($_, Girocco::User::resolve_uid($_)) foreach (@users_del);
 478
 479         1;
 480 }
 481
 482 sub update_password {
 483         my $self = shift;
 484         my ($pwd) = @_;
 485
 486         $self->{crypt} = scrypt($pwd);
 487         $self->_group_update;
 488 }
 489
 490 # You can explicitly do this just on a ghost() repository too.
 491 sub delete {
 492         my $self = shift;
 493
 494         if (-d $self->{path}) {
 495                 system('rm', '-rf', $self->{path}) == 0
 496                         or die "rm -rf $self->{path} failed: $?";
 497         }
 498         $self->_group_remove;
 499 }
 500
 501 sub has_forks {
 502         my $self = shift;
 503
 504         return glob($Girocco::Config::reporoot.'/'.$self->{name}.'/*');
 505 }
 506
 507
 508 ### static methods
 509
 510 sub get_forkee_name {
 511         $_ = $_[0];
 512         (m#^(.*)/.*?$#)[0]; #
 513 }
 514 sub get_forkee_path {
 515         my $forkee = $Girocco::Config::reporoot.'/'.get_forkee_name($_[0]).'.git';
 516         -d $forkee ? $forkee : '';
 517 }
 518
 519 sub valid_name {
 520         $_ = $_[0];
 521         (not m#/# or -d get_forkee_path($_)) # will also catch ^/
 522                 and (not m#\./#)
 523                 and (not m#/$#)
 524                 and m#^[a-zA-Z0-9+./_-]+$#;
 525 }
 526
 527 sub does_exist {
 528         my ($name) = @_;
 529         valid_name($name) or die "tried to query for project with invalid name $name!";
 530         (-d $Girocco::Config::reporoot."/$name.git");
 531 }
 532
 533
 534 1;