moved permission check code from REST.pm

diff --git a/PVE/RPCEnvironment.pm b/PVE/RPCEnvironment.pm
index b5940de1944e483d0b0997ec869697844b1a8d16..3df603517a1558104ac5f5d439f61a20b6790e03 100644 (file)
--- a/PVE/RPCEnvironment.pm
+++ b/PVE/RPCEnvironment.pm
@@ -254,6 +254,94 @@ sub group_member_join {
     return $users;
 }
 
     return $users;
 }
 

+sub exec_api2_perm_check {
+    my ($self, $check, $username, $param, $noerr) = @_;
+
+    # syslog("info", "CHECK " . join(', ', @$check));
+
+    my $ind = 0;
+    my $test = $check->[$ind++];
+    die "no permission test specified" if !$test;
+ 
+    if ($test eq 'and') {
+       while (my $subcheck = $check->[$ind++]) {
+           $self->exec_api2_perm_check($subcheck, $username, $param); 
+       }
+       return 1;
+    } elsif ($test eq 'or') {
+       while (my $subcheck = $check->[$ind++]) {
+           return 1 if $self->exec_api2_perm_check($subcheck, $username, $param, 1); 
+       }
+       return 0 if $noerr;
+       raise_perm_exc();
+    } elsif ($test eq 'perm') {
+       my ($t, $tmplpath, $privs, %options) = @$check;
+       my $any = $options{any};
+       die "missing parameters" if !($tmplpath && $privs);
+       my $path = PVE::Tools::template_replace($tmplpath, $param);
+       if ($any) {
+           return $self->check_any($username, $path, $privs, $noerr);
+       } else {
+           return $self->check($username, $path, $privs, $noerr);
+       }
+    } elsif ($test eq 'userid-group') {
+       my $userid = $param->{userid};
+       my ($t, $privs, %options) = @$check;
+       return if !$options{groups_param} && !$self->check_user_exist($userid, $noerr);
+       if (!$self->check_any($username, "/access", $privs, 1)) {
+           my $groups = $self->filter_groups($username, $privs, 1);
+           if ($options{groups_param}) {
+               my @group_param = PVE::Tools::split_list($param->{groups});
+               raise_perm_exc("/access, " . join("|", @$privs)) if !scalar(@group_param);
+               foreach my $pg (@group_param) {
+                   raise_perm_exc("/access/groups/$pg, " . join("|", @$privs))
+                       if !$groups->{$pg};
+               }
+           } else {
+               my $allowed_users = $self->group_member_join([keys %$groups]);
+               if (!$allowed_users->{$userid}) {
+                   return 0 if $noerr;
+                   raise_perm_exc();
+               }
+           }
+       }
+       return 1;
+    } elsif ($test eq 'userid-param') {
+       my $userid = $param->{userid};
+       return if !$self->check_user_exist($userid, $noerr);
+       my ($t, $subtest) = @$check;
+       die "missing parameters" if !$subtest;
+       if ($subtest eq 'self') {
+           return 1 if $username eq 'userid';
+           return 0 if $noerr;
+           raise_perm_exc();
+       } else {
+           die "unknown userid-param test";
+       }
+    } else {
+       die "unknown permission test";
+    }
+};
+
+sub check_api2_permissions {
+    my ($self, $perm, $username, $param) = @_;
+
+    return 1 if !$username && $perm->{user} eq 'world';
+
+    raise_perm_exc("user != null") if !$username;
+
+    return 1 if $username eq 'root@pam';
+
+    raise_perm_exc('user != root@pam') if !$perm;
+
+    return 1 if $perm->{user} && $perm->{user} eq 'all';
+
+    return $self->exec_api2_perm_check($perm->{check}, $username, $param) 
+       if $perm->{check};
+
+    raise_perm_exc();
+}
+

 # initialize environment - must be called once at program startup
 sub init {
     my ($class, $type, %params) = @_;
 # initialize environment - must be called once at program startup
 sub init {
     my ($class, $type, %params) = @_;