diff options
Diffstat (limited to 'Zotlabs')
| -rw-r--r-- | Zotlabs/Module/Magic.php | 237 | ||||
| -rw-r--r-- | Zotlabs/Module/Owa.php | 95 | ||||
| -rw-r--r-- | Zotlabs/Module/Regdir.php | 35 |
3 files changed, 131 insertions, 236 deletions
diff --git a/Zotlabs/Module/Magic.php b/Zotlabs/Module/Magic.php index 6ac656a04..b4372e26d 100644 --- a/Zotlabs/Module/Magic.php +++ b/Zotlabs/Module/Magic.php @@ -1,214 +1,133 @@ <?php namespace Zotlabs\Module; +use App; +use Zotlabs\Web\Controller; use Zotlabs\Web\HTTPSig; +use Zotlabs\Lib\Libzot; +use Zotlabs\Lib\SConfig; -@require_once('include/zot.php'); - - -class Magic extends \Zotlabs\Web\Controller { +class Magic extends Controller { function init() { + + $ret = [ + 'success' => false, + 'url' => '', + 'message' => '' + ]; - $ret = array('success' => false, 'url' => '', 'message' => ''); logger('mod_magic: invoked', LOGGER_DEBUG); - - logger('mod_magic: args: ' . print_r($_REQUEST,true),LOGGER_DATA); - - $addr = ((x($_REQUEST,'addr')) ? $_REQUEST['addr'] : ''); - $bdest = ((x($_REQUEST,'bdest')) ? $_REQUEST['bdest'] : ''); - $dest = ((x($_REQUEST,'dest')) ? $_REQUEST['dest'] : ''); - $test = ((x($_REQUEST,'test')) ? intval($_REQUEST['test']) : 0); - $rev = ((x($_REQUEST,'rev')) ? intval($_REQUEST['rev']) : 0); - $owa = ((x($_REQUEST,'owa')) ? intval($_REQUEST['owa']) : 0); - $delegate = ((x($_REQUEST,'delegate')) ? $_REQUEST['delegate'] : ''); - - if($bdest) + + logger('args: ' . print_r($_REQUEST,true),LOGGER_DATA); + + $addr = ((x($_REQUEST,'addr')) ? $_REQUEST['addr'] : ''); + $bdest = ((x($_REQUEST,'bdest')) ? $_REQUEST['bdest'] : ''); + $dest = ((x($_REQUEST,'dest')) ? $_REQUEST['dest'] : ''); + $rev = ((x($_REQUEST,'rev')) ? intval($_REQUEST['rev']) : 0); + $owa = ((x($_REQUEST,'owa')) ? intval($_REQUEST['owa']) : 0); + $delegate = ((x($_REQUEST,'delegate')) ? $_REQUEST['delegate'] : ''); + + // bdest is preferred as it is hex-encoded and can survive url rewrite and argument parsing + + if ($bdest) { $dest = hex2bin($bdest); + } $parsed = parse_url($dest); - if(! $parsed) { - if($test) { - $ret['message'] .= 'could not parse ' . $dest . EOL; - return($ret); - } + + if (! $parsed) { goaway($dest); } - + $basepath = $parsed['scheme'] . '://' . $parsed['host'] . (($parsed['port']) ? ':' . $parsed['port'] : ''); - - $x = q("select * from hubloc where hubloc_url = '%s' order by hubloc_connected desc limit 1", - dbesc($basepath) - ); - - if(! $x) { - - /* - * We have no records for, or prior communications with this hub. - * If an address was supplied, let's finger them to create a hub record. - * Otherwise we'll use the special address '[system]' which will return - * either a system channel or the first available normal channel. We don't - * really care about what channel is returned - we need the hub information - * from that response so that we can create signed auth packets destined - * for that hub. - * - */ - - $j = \Zotlabs\Zot\Finger::run((($addr) ? $addr : '[system]@' . $parsed['host']),null); - if($j['success']) { - import_xchan($j); - - // Now try again - - $x = q("select * from hubloc where hubloc_url = '%s' order by hubloc_connected desc limit 1", - dbesc($basepath) - ); - } - } - - if(! $x) { - if($rev) - goaway($dest); - else { - logger('mod_magic: no channels found for requested hub.' . print_r($_REQUEST,true)); - if($test) { - $ret['message'] .= 'This site has no previous connections with ' . $basepath . EOL; - return $ret; - } - notice( t('Hub not found.') . EOL); - return; - } - } - + $owapath = SConfig::get($basepath,'system','openwebauth', $basepath . '/owa'); + // This is ready-made for a plugin that provides a blacklist or "ask me" before blindly authenticating. // By default, we'll proceed without asking. - - $arr = array( - 'channel_id' => local_channel(), - 'xchan' => $x[0], + + $arr = [ + 'channel_id' => local_channel(), 'destination' => $dest, - 'proceed' => true - ); - + 'proceed' => true + ]; + call_hooks('magic_auth',$arr); $dest = $arr['destination']; - if(! $arr['proceed']) { - if($test) { - $ret['message'] .= 'cancelled by plugin.' . EOL; - return $ret; - } + if (! $arr['proceed']) { goaway($dest); } - - if((get_observer_hash()) && ($x[0]['hubloc_url'] === z_root())) { + + if((get_observer_hash()) && (stripos($dest,z_root()) === 0)) { + // We are already authenticated on this site and a registered observer. - // Just redirect. - if($test) { - $ret['success'] = true; - $ret['message'] .= 'Local site - you are already authenticated.' . EOL; - return $ret; - } - - $delegation_success = false; - if($delegate) { + // First check if this is a delegate request on the local system and process accordingly. + // Otherwise redirect. + + if ($delegate) { + $r = q("select * from channel left join hubloc on channel_hash = hubloc_hash where hubloc_addr = '%s' limit 1", dbesc($delegate) ); - - if($r && intval($r[0]['channel_id'])) { - $allowed = perm_is_allowed($r[0]['channel_id'],get_observer_hash(),'delegate'); - if($allowed) { + + if ($r) { + $c = array_shift($r); + if (perm_is_allowed($c['channel_id'],get_observer_hash(),'delegate')) { $tmp = $_SESSION; - $_SESSION['delegate_push'] = $tmp; - $_SESSION['delegate_channel'] = $r[0]['channel_id']; - $_SESSION['delegate'] = get_observer_hash(); - $_SESSION['account_id'] = intval($r[0]['channel_account_id']); - change_channel($r[0]['channel_id']); - - $delegation_success = true; + $_SESSION['delegate_push'] = $tmp; + $_SESSION['delegate_channel'] = $c['channel_id']; + $_SESSION['delegate'] = get_observer_hash(); + $_SESSION['account_id'] = intval($c['channel_account_id']); + + change_channel($c['channel_id']); } } } - - - - // FIXME: check and honour local delegation - - + goaway($dest); } - - if(local_channel()) { - $channel = \App::get_channel(); - + + if (local_channel()) { + $channel = App::get_channel(); + // OpenWebAuth - if($owa) { + if ($owa) { $dest = strip_zids($dest); $dest = strip_query_param($dest,'f'); + // We now post to the OWA endpoint. This improves security by providing a signed digest + $data = json_encode([ 'OpenWebAuth' => random_string() ]); $headers = []; $headers['Accept'] = 'application/x-zot+json' ; + $headers['Content-Type'] = 'application/x-zot+json' ; $headers['X-Open-Web-Auth'] = random_string(); - $headers['Host'] = $parsed['host']; $headers['Digest'] = HTTPSig::generate_digest_header($data); + $headers['Host'] = $parsed['host']; + $headers['(request-target)'] = 'post ' . '/owa'; - $headers = HTTPSig::create_sig($headers,$channel['channel_prvkey'], 'acct:' . channel_reddress($channel),true,'sha512'); - $x = z_post_url($basepath . '/owa',$data,$redirects,[ 'headers' => $headers ]); - - if($x['success']) { + $headers = HTTPSig::create_sig($headers,$channel['channel_prvkey'], channel_url($channel),true,'sha512'); + $x = z_post_url($owapath,$data,$redirects,[ 'headers' => $headers ]); + logger('owa fetch returned: ' . print_r($x,true),LOGGER_DATA); + if ($x['success']) { $j = json_decode($x['body'],true); - if($j['success']) { + if ($j['success'] && $j['encrypted_token']) { + // decrypt the token using our private key $token = ''; - if($j['encrypted_token']) { - openssl_private_decrypt(base64url_decode($j['encrypted_token']),$token,$channel['channel_prvkey']); - } - else { - $token = $j['token']; - } - - $strp = strpbrk($dest,'?&'); - $args = (($strp) ? '&owt=' . $token : '?f=&owt=' . $token) . (($delegate) ? '&delegate=1' : ''); + openssl_private_decrypt(base64url_decode($j['encrypted_token']),$token,$channel['channel_prvkey']); + $x = strpbrk($dest,'?&'); + // redirect using the encrypted token which will be exchanged for an authenticated session + $args = (($x) ? '&owt=' . $token : '?f=&owt=' . $token) . (($delegate) ? '&delegate=1' : ''); goaway($dest . $args); } } - goaway($dest); - } - - - $token = random_string(); - - \Zotlabs\Lib\Verify::create('auth',$channel['channel_id'],$token,$x[0]['hubloc_url']); - - $target_url = $x[0]['hubloc_callback'] . '/?f=&auth=' . urlencode(channel_reddress($channel)) - . '&sec=' . $token . '&dest=' . urlencode($dest) . '&version=' . ZOT_REVISION; - - if($delegate) - $target_url .= '&delegate=' . urlencode($delegate); - - logger('mod_magic: redirecting to: ' . $target_url, LOGGER_DEBUG); - - if($test) { - $ret['success'] = true; - $ret['url'] = $target_url; - $ret['message'] = 'token ' . $token . ' created for channel ' . $channel['channel_id'] . ' for url ' . $x[0]['hubloc_url'] . EOL; - return $ret; } - - goaway($target_url); - } - - if($test) { - $ret['message'] = 'Not authenticated or invalid arguments to mod_magic' . EOL; - return $ret; - } - + goaway($dest); - } - + } diff --git a/Zotlabs/Module/Owa.php b/Zotlabs/Module/Owa.php index 4c6fd6216..561e35754 100644 --- a/Zotlabs/Module/Owa.php +++ b/Zotlabs/Module/Owa.php @@ -3,10 +3,12 @@ namespace Zotlabs\Module; use Zotlabs\Web\HTTPSig; +use Zotlabs\Lib\Verify; +use Zotlabs\Web\Controller; /** * OpenWebAuth verifier and token generator - * See https://macgirvin.com/wiki/mike/OpenWebAuth/Home + * See spec/OpenWebAuth/Home.md * Requests to this endpoint should be signed using HTTP Signatures * using the 'Authorization: Signature' authentication method * If the signature verifies a token is returned. @@ -14,74 +16,51 @@ use Zotlabs\Web\HTTPSig; * This token may be exchanged for an authenticated cookie. */ -class Owa extends \Zotlabs\Web\Controller { +class Owa extends Controller { function init() { $ret = [ 'success' => false ]; - foreach([ 'REDIRECT_REMOTE_USER', 'HTTP_AUTHORIZATION' ] as $head) { - if(array_key_exists($head,$_SERVER) && substr(trim($_SERVER[$head]),0,9) === 'Signature') { - if($head !== 'HTTP_AUTHORIZATION') { - $_SERVER['HTTP_AUTHORIZATION'] = $_SERVER[$head]; - continue; - } - - $sigblock = HTTPSig::parse_sigheader($_SERVER[$head]); - if($sigblock) { - $keyId = $sigblock['keyId']; - - if($keyId) { - - // Hubzilla connections can have both zot6 and zot hublocs - // The connections will usually be zot6 so match those first - - $r = q("select * from hubloc left join xchan on hubloc_hash = xchan_hash - where ( hubloc_addr = '%s' or hubloc_id_url = '%s' ) and hubloc_network = 'zot6' ", - dbesc(str_replace('acct:','',$keyId)), - dbesc($keyId) - ); + if (array_key_exists('REDIRECT_REMOTE_USER',$_SERVER) && (! array_key_exists('HTTP_AUTHORIZATION',$_SERVER))) { + $_SERVER['HTTP_AUTHORIZATION'] = $_SERVER['REDIRECT_REMOTE_USER']; + } - // If nothing was found, try searching on any network - - if (! $r) { + if (array_key_exists('HTTP_AUTHORIZATION',$_SERVER) && substr(trim($_SERVER['HTTP_AUTHORIZATION']),0,9) === 'Signature') { + $sigblock = HTTPSig::parse_sigheader($_SERVER['HTTP_AUTHORIZATION']); + if ($sigblock) { + $keyId = $sigblock['keyId']; + if ($keyId) { + $r = q("select * from hubloc left join xchan on hubloc_hash = xchan_hash + where ( hubloc_addr = '%s' or hubloc_id_url = '%s' ) ", + dbesc(str_replace('acct:','',$keyId)), + dbesc($keyId) + ); + if (! $r) { + $found = discover_by_webbie(str_replace('acct:','',$keyId)); + if ($found) { $r = q("select * from hubloc left join xchan on hubloc_hash = xchan_hash - where ( hubloc_addr = '%s' or hubloc_id_url = '%s' )", + where ( hubloc_addr = '%s' or hubloc_id_url = '%s' ) ", dbesc(str_replace('acct:','',$keyId)), dbesc($keyId) ); } - - // If nothing was found on any network, use network discovery and create a new record - - if (! $r) { - $found = discover_by_webbie(str_replace('acct:','',$keyId)); - if($found) { - $r = q("select * from hubloc left join xchan on hubloc_hash = xchan_hash - where ( hubloc_addr = '%s' or hubloc_id_url = '%s' ) ", - dbesc(str_replace('acct:','',$keyId)), - dbesc($keyId) - ); - } - } - - if ($r) { - foreach($r as $hubloc) { - $verified = HTTPSig::verify(file_get_contents('php://input'),$hubloc['xchan_pubkey']); - if($verified && $verified['header_signed'] && $verified['header_valid']) { - logger('OWA header: ' . print_r($verified,true),LOGGER_DATA); - logger('OWA success: ' . $hubloc['hubloc_addr'],LOGGER_DATA); - $ret['success'] = true; - $token = random_string(32); - \Zotlabs\Lib\Verify::create('owt',0,$token,$hubloc['hubloc_network'] . ',' . $hubloc['hubloc_addr']); - $result = ''; - openssl_public_encrypt($token,$result,$hubloc['xchan_pubkey']); - $ret['encrypted_token'] = base64url_encode($result); - break; - } - else { - logger('OWA fail: ' . $hubloc['hubloc_id'] . ' ' . $hubloc['hubloc_addr']); - } + } + if ($r) { + foreach ($r as $hubloc) { + $verified = HTTPSig::verify(file_get_contents('php://input')); + if ($verified && $verified['header_signed'] && $verified['header_valid'] && ($verified['content_valid'] || (! $verified['content_signed']))) { + logger('OWA header: ' . print_r($verified,true),LOGGER_DATA); + logger('OWA success: ' . $hubloc['hubloc_addr'],LOGGER_DATA); + $ret['success'] = true; + $token = random_string(32); + Verify::create('owt',0,$token,$hubloc['hubloc_addr']); + $result = ''; + openssl_public_encrypt($token,$result,$hubloc['xchan_pubkey']); + $ret['encrypted_token'] = base64url_encode($result); + break; + } else { + logger('OWA fail: ' . $hubloc['hubloc_id'] . ' ' . $hubloc['hubloc_addr']); } } } diff --git a/Zotlabs/Module/Regdir.php b/Zotlabs/Module/Regdir.php index f4d16c562..e49f89231 100644 --- a/Zotlabs/Module/Regdir.php +++ b/Zotlabs/Module/Regdir.php @@ -1,6 +1,9 @@ <?php namespace Zotlabs\Module; +use Zotlabs\Lib\Zotfinger; +use Zotlabs\Web\Controller; + /** * With args, register a directory server for this realm. * With no args, return a JSON array of directory servers for this realm. @@ -14,7 +17,7 @@ namespace Zotlabs\Module; * @param App &$a */ -class Regdir extends \Zotlabs\Web\Controller { +class Regdir extends Controller { function init() { @@ -25,7 +28,7 @@ class Regdir extends \Zotlabs\Web\Controller { $valid = 0; // we probably don't need the realm as we will find out in the probe. - // What we may want to die is throw an error if you're trying to register in a different realm + // What we may want to do is throw an error if you're trying to register in a different realm // so this configuration issue can be discovered. $realm = $_REQUEST['realm']; @@ -59,34 +62,28 @@ class Regdir extends \Zotlabs\Web\Controller { json_return_and_die($result); } - $j = \Zotlabs\Zot\Finger::run('[system]@' . $m['host']); - if($j['success'] && $j['guid']) { - $x = import_xchan($j); - if($x['success']) { - $result['success'] = true; - } + $j = Zotfinger::exec($url); + if($j) { + $result['success'] = true; } - - if(! $result['success']) + else { $valid = 0; - + } + q("update site set site_valid = %d where site_url = '%s'", intval($valid), strtolower($url) ); - + json_return_and_die($result); - } else { - - // We can put this in the sql without the condition after 31 august 2015 assuming - // most directory servers will have updated by then - // This just makes sure it happens if I forget + + } + else { - $sql_extra = ((datetime_convert() > datetime_convert('UTC','UTC','2015-08-31')) ? ' and site_valid = 1 ' : '' ); if ($dirmode == DIRECTORY_MODE_STANDALONE) { $r = array(array('site_url' => z_root())); } else { - $r = q("select site_url from site where site_flags in ( 1, 2 ) and site_realm = '%s' and site_type = %d $sql_extra ", + $r = q("select site_url from site where site_flags in ( 1, 2 ) and site_realm = '%s' and site_type = %d and site_valid = 1 ", dbesc(get_directory_realm()), intval(SITE_TYPE_ZOT) ); |