pve-access-control/PVE/API2/Domains.pm
Thomas Lamprecht 89338e4d9c api/domain: add on add/update/delete hooks
Almost 1:1 taken from pve-storage ones

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
2020-04-18 18:48:05 +02:00

474 lines
12 KiB
Perl

package PVE::API2::Domains;
use strict;
use warnings;
use PVE::Exception qw(raise_param_exc);
use PVE::Tools qw(extract_param);
use PVE::Cluster qw (cfs_read_file cfs_write_file);
use PVE::AccessControl;
use PVE::JSONSchema qw(get_standard_option);
use PVE::SafeSyslog;
use PVE::RESTHandler;
use PVE::Auth::Plugin;
my $domainconfigfile = "domains.cfg";
use base qw(PVE::RESTHandler);
__PACKAGE__->register_method ({
name => 'index',
path => '',
method => 'GET',
description => "Authentication domain index.",
permissions => {
description => "Anyone can access that, because we need that list for the login box (before the user is authenticated).",
user => 'world',
},
parameters => {
additionalProperties => 0,
properties => {},
},
returns => {
type => 'array',
items => {
type => "object",
properties => {
realm => { type => 'string' },
type => { type => 'string' },
tfa => {
description => "Two-factor authentication provider.",
type => 'string',
enum => [ 'yubico', 'oath' ],
optional => 1,
},
comment => {
description => "A comment. The GUI use this text when you select a domain (Realm) on the login window.",
type => 'string',
optional => 1,
},
},
},
links => [ { rel => 'child', href => "{realm}" } ],
},
code => sub {
my ($param) = @_;
my $res = [];
my $cfg = cfs_read_file($domainconfigfile);
my $ids = $cfg->{ids};
foreach my $realm (keys %$ids) {
my $d = $ids->{$realm};
my $entry = { realm => $realm, type => $d->{type} };
$entry->{comment} = $d->{comment} if $d->{comment};
$entry->{default} = 1 if $d->{default};
if ($d->{tfa} && (my $tfa_cfg = PVE::Auth::Plugin::parse_tfa_config($d->{tfa}))) {
$entry->{tfa} = $tfa_cfg->{type};
}
push @$res, $entry;
}
return $res;
}});
__PACKAGE__->register_method ({
name => 'create',
protected => 1,
path => '',
method => 'POST',
permissions => {
check => ['perm', '/access/realm', ['Realm.Allocate']],
},
description => "Add an authentication server.",
parameters => PVE::Auth::Plugin->createSchema(),
returns => { type => 'null' },
code => sub {
my ($param) = @_;
# always extract, add it with hook
my $password = extract_param($param, 'password');
PVE::Auth::Plugin::lock_domain_config(
sub {
my $cfg = cfs_read_file($domainconfigfile);
my $ids = $cfg->{ids};
my $realm = extract_param($param, 'realm');
my $type = $param->{type};
die "domain '$realm' already exists\n"
if $ids->{$realm};
die "unable to use reserved name '$realm'\n"
if ($realm eq 'pam' || $realm eq 'pve');
die "unable to create builtin type '$type'\n"
if ($type eq 'pam' || $type eq 'pve');
my $plugin = PVE::Auth::Plugin->lookup($type);
my $config = $plugin->check_config($realm, $param, 1, 1);
if ($config->{default}) {
foreach my $r (keys %$ids) {
delete $ids->{$r}->{default};
}
}
$ids->{$realm} = $config;
my $opts = $plugin->options();
if (defined($password) && !defined($opts->{password})) {
$password = undef;
warn "ignoring password parameter";
}
$plugin->on_add_hook($realm, $config, password => $password);
cfs_write_file($domainconfigfile, $cfg);
}, "add auth server failed");
return undef;
}});
__PACKAGE__->register_method ({
name => 'update',
path => '{realm}',
method => 'PUT',
permissions => {
check => ['perm', '/access/realm', ['Realm.Allocate']],
},
description => "Update authentication server settings.",
protected => 1,
parameters => PVE::Auth::Plugin->updateSchema(),
returns => { type => 'null' },
code => sub {
my ($param) = @_;
# always extract, update in hook
my $password = extract_param($param, 'password');
PVE::Auth::Plugin::lock_domain_config(
sub {
my $cfg = cfs_read_file($domainconfigfile);
my $ids = $cfg->{ids};
my $digest = extract_param($param, 'digest');
PVE::SectionConfig::assert_if_modified($cfg, $digest);
my $realm = extract_param($param, 'realm');
die "domain '$realm' does not exist\n"
if !$ids->{$realm};
my $delete_str = extract_param($param, 'delete');
die "no options specified\n" if !$delete_str && !scalar(keys %$param);
my $delete_pw = 0;
foreach my $opt (PVE::Tools::split_list($delete_str)) {
delete $ids->{$realm}->{$opt};
$delete_pw = 1 if $opt eq 'password';
}
my $plugin = PVE::Auth::Plugin->lookup($ids->{$realm}->{type});
my $config = $plugin->check_config($realm, $param, 0, 1);
if ($config->{default}) {
foreach my $r (keys %$ids) {
delete $ids->{$r}->{default};
}
}
foreach my $p (keys %$config) {
$ids->{$realm}->{$p} = $config->{$p};
}
my $opts = $plugin->options();
if ($delete_pw || defined($password)) {
$plugin->on_update_hook($realm, $config, password => $password);
} else {
$plugin->on_update_hook($realm, $config);
}
cfs_write_file($domainconfigfile, $cfg);
}, "update auth server failed");
return undef;
}});
# fixme: return format!
__PACKAGE__->register_method ({
name => 'read',
path => '{realm}',
method => 'GET',
description => "Get auth server configuration.",
permissions => {
check => ['perm', '/access/realm', ['Realm.Allocate', 'Sys.Audit'], any => 1],
},
parameters => {
additionalProperties => 0,
properties => {
realm => get_standard_option('realm'),
},
},
returns => {},
code => sub {
my ($param) = @_;
my $cfg = cfs_read_file($domainconfigfile);
my $realm = $param->{realm};
my $data = $cfg->{ids}->{$realm};
die "domain '$realm' does not exist\n" if !$data;
$data->{digest} = $cfg->{digest};
return $data;
}});
__PACKAGE__->register_method ({
name => 'delete',
path => '{realm}',
method => 'DELETE',
permissions => {
check => ['perm', '/access/realm', ['Realm.Allocate']],
},
description => "Delete an authentication server.",
protected => 1,
parameters => {
additionalProperties => 0,
properties => {
realm => get_standard_option('realm'),
}
},
returns => { type => 'null' },
code => sub {
my ($param) = @_;
PVE::Auth::Plugin::lock_domain_config(
sub {
my $cfg = cfs_read_file($domainconfigfile);
my $ids = $cfg->{ids};
my $realm = $param->{realm};
die "authentication domain '$realm' does not exist\n" if !$ids->{$realm};
my $plugin = PVE::Auth::Plugin->lookup($ids->{$realm}->{type});
$plugin->on_delete_hook($realm, $ids->{$realm});
delete $ids->{$realm};
cfs_write_file($domainconfigfile, $cfg);
}, "delete auth server failed");
return undef;
}});
my $update_users = sub {
my ($usercfg, $realm, $synced_users, $opts) = @_;
print "syncing users\n";
$usercfg->{users} = {} if !defined($usercfg->{users});
my $users = $usercfg->{users};
my $oldusers = {};
if ($opts->{'full'}) {
print "full sync, deleting outdated existing users first\n";
foreach my $userid (sort keys %$users) {
next if $userid !~ m/\@$realm$/;
$oldusers->{$userid} = delete $users->{$userid};
if ($opts->{'purge'} && !$synced_users->{$userid}) {
PVE::AccessControl::delete_user_acl($userid, $usercfg);
print "purged user '$userid' and all its ACL entries\n";
} elsif (!defined($synced_users->{$userid})) {
print "remove user '$userid'\n";
}
}
}
foreach my $userid (sort keys %$synced_users) {
my $synced_user = $synced_users->{$userid} // {};
if (!defined($users->{$userid})) {
my $user = $users->{$userid} = $synced_user;
my $olduser = $oldusers->{$userid} // {};
if (defined(my $enabled = $olduser->{enable})) {
$user->{enable} = $enabled;
} elsif ($opts->{'enable-new'}) {
$user->{enable} = 1;
}
if (defined($olduser->{tokens})) {
$user->{tokens} = $olduser->{tokens};
}
if (defined($oldusers->{$userid})) {
print "updated user '$userid'\n";
} else {
print "added user '$userid'\n";
}
} else {
my $olduser = $users->{$userid};
foreach my $attr (keys %$synced_user) {
$olduser->{$attr} = $synced_user->{$attr};
}
print "updated user '$userid'\n";
}
}
};
my $update_groups = sub {
my ($usercfg, $realm, $synced_groups, $opts) = @_;
print "syncing groups\n";
$usercfg->{groups} = {} if !defined($usercfg->{groups});
my $groups = $usercfg->{groups};
my $oldgroups = {};
if ($opts->{full}) {
print "full sync, deleting outdated existing groups first\n";
foreach my $groupid (sort keys %$groups) {
next if $groupid !~ m/\-$realm$/;
my $oldgroups->{$groupid} = delete $groups->{$groupid};
if ($opts->{purge} && !$synced_groups->{$groupid}) {
print "purged group '$groupid' and all its ACL entries\n";
PVE::AccessControl::delete_group_acl($groupid, $usercfg)
} elsif (!defined($synced_groups->{$groupid})) {
print "removed group '$groupid'\n";
}
}
}
foreach my $groupid (sort keys %$synced_groups) {
my $synced_group = $synced_groups->{$groupid};
if (!defined($groups->{$groupid})) {
$groups->{$groupid} = $synced_group;
if (defined($oldgroups->{$groupid})) {
print "updated group '$groupid'\n";
} else {
print "added group '$groupid'\n";
}
} else {
my $group = $groups->{$groupid};
foreach my $attr (keys %$synced_group) {
$group->{$attr} = $synced_group->{$attr};
}
print "updated group '$groupid'\n";
}
}
};
my $parse_sync_opts = sub {
my ($param, $realmconfig) = @_;
my $sync_opts_fmt = PVE::JSONSchema::get_format('realm-sync-options');
my $res = {};
if (defined(my $cfg_opts = $realmconfig->{'sync-defaults-options'})) {
$res = PVE::JSONSchema::parse_property_string($sync_opts_fmt, $cfg_opts);
}
for my $opt (sort keys %$sync_opts_fmt) {
my $fmt = $sync_opts_fmt->{$opt};
if (exists $param->{$opt}) {
$res->{$opt} = $param->{$opt};
} elsif (!exists $res->{$opt}) {
raise_param_exc({
"$opt" => 'Not passed as parameter and not defined in realm default sync options.'
}) if !$fmt->{optional};
$res->{$opt} = $fmt->{default} if exists $fmt->{default};
}
}
return $res;
};
__PACKAGE__->register_method ({
name => 'sync',
path => '{realm}/sync',
method => 'POST',
permissions => {
description => "'Realm.AllocateUser' on '/access/realm/<realm>' and "
." 'User.Modify' permissions to '/access/groups/'.",
check => [ 'and',
[ 'userid-param', 'Realm.AllocateUser' ],
[ 'userid-group', ['User.Modify'] ],
],
},
description => "Syncs users and/or groups from the configured LDAP to user.cfg."
." NOTE: Synced groups will have the name 'name-\$realm', so make sure"
." those groups do not exist to prevent overwriting.",
protected => 1,
parameters => {
additionalProperties => 0,
properties => get_standard_option('realm-sync-options', {
realm => get_standard_option('realm'),
})
},
returns => {
description => 'Worker Task-UPID',
type => 'string'
},
code => sub {
my ($param) = @_;
my $rpcenv = PVE::RPCEnvironment::get();
my $authuser = $rpcenv->get_user();
my $realm = $param->{realm};
my $cfg = cfs_read_file($domainconfigfile);
my $realmconfig = $cfg->{ids}->{$realm};
raise_param_exc({ 'realm' => 'Realm does not exist.' }) if !defined($realmconfig);
my $type = $realmconfig->{type};
if ($type ne 'ldap' && $type ne 'ad') {
die "Cannot sync realm type '$type'! Only LDAP/AD realms can be synced.\n";
}
my $opts = $parse_sync_opts->($param, $realmconfig); # can throw up
my $scope = $opts->{scope};
my $whatstring = $scope eq 'both' ? "users and groups" : $scope;
my $plugin = PVE::Auth::Plugin->lookup($type);
my $worker = sub {
print "starting sync for realm $realm\n";
my ($synced_users, $dnmap) = $plugin->get_users($realmconfig, $realm);
my $synced_groups = {};
if ($scope eq 'groups' || $scope eq 'both') {
$synced_groups = $plugin->get_groups($realmconfig, $realm, $dnmap);
}
PVE::AccessControl::lock_user_config(sub {
my $usercfg = cfs_read_file("user.cfg");
print "got data from server, updating $whatstring\n";
if ($scope eq 'users' || $scope eq 'both') {
$update_users->($usercfg, $realm, $synced_users, $opts);
}
if ($scope eq 'groups' || $scope eq 'both') {
$update_groups->($usercfg, $realm, $synced_groups, $opts);
}
cfs_write_file("user.cfg", $usercfg);
print "successfully updated $whatstring configuration\n";
}, "syncing $whatstring failed");
};
return $rpcenv->fork_worker('auth-realm-sync', $realm, $authuser, $worker);
}});
1;