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<?php /** @file */
/**
* API Login via basic-auth or OAuth
*/
function api_login(&$a){
$record = null;
$remote_auth = false;
$sigblock = null;
require_once('include/oauth.php');
if(array_key_exists('REDIRECT_REMOTE_USER',$_SERVER) && (! array_key_exists('HTTP_AUTHORIZATION',$_SERVER))) {
$_SERVER['HTTP_AUTHORIZATION'] = $_SERVER['REDIRECT_REMOTE_USER'];
}
// login with oauth
try {
// OAuth 2.0
$storage = new \Zotlabs\Identity\OAuth2Storage(\DBA::$dba->db);
$server = new \Zotlabs\Identity\OAuth2Server($storage);
$request = \OAuth2\Request::createFromGlobals();
if ($server->verifyResourceRequest($request)) {
$token = $server->getAccessTokenData($request);
$uid = $token['user_id'];
$r = q("SELECT * FROM channel WHERE channel_id = %d LIMIT 1",
intval($uid)
);
if (count($r)) {
$record = $r[0];
} else {
header('HTTP/1.0 401 Unauthorized');
echo('This api requires login');
killme();
}
$_SESSION['uid'] = $record['channel_id'];
$_SESSION['addr'] = $_SERVER['REMOTE_ADDR'];
$x = q("select * from account where account_id = %d LIMIT 1",
intval($record['channel_account_id'])
);
if ($x) {
require_once('include/security.php');
authenticate_success($x[0], null, true, false, true, true);
$_SESSION['allow_api'] = true;
call_hooks('logged_in', App::$user);
return;
}
} else {
// OAuth 1.0
$oauth = new ZotOAuth1();
$req = OAuth1Request::from_request();
list($consumer, $token) = $oauth->verify_request($req);
if (!is_null($token)) {
$oauth->loginUser($token->uid);
App::set_oauth_key($consumer->key);
call_hooks('logged_in', App::$user);
return;
}
killme();
}
} catch (Exception $e) {
logger($e->getMessage());
}
if(array_key_exists('HTTP_AUTHORIZATION',$_SERVER)) {
/* Basic authentication */
if (substr(trim($_SERVER['HTTP_AUTHORIZATION']),0,5) === 'Basic') {
$userpass = @base64_decode(substr(trim($_SERVER['HTTP_AUTHORIZATION']),6)) ;
if(strlen($userpass)) {
list($name, $password) = explode(':', $userpass);
$_SERVER['PHP_AUTH_USER'] = $name;
$_SERVER['PHP_AUTH_PW'] = $password;
}
}
/* OpenWebAuth */
if(substr(trim($_SERVER['HTTP_AUTHORIZATION']),0,9) === 'Signature') {
$record = null;
$sigblock = \Zotlabs\Web\HTTPSig::parse_sigheader($_SERVER['HTTP_AUTHORIZATION']);
if($sigblock) {
$keyId = str_replace('acct:','',$sigblock['keyId']);
if($keyId) {
$r = q("select * from hubloc where hubloc_addr = '%s' limit 1",
dbesc($keyId)
);
if($r) {
$c = channelx_by_hash($r[0]['hubloc_hash']);
if($c) {
$a = q("select * from account where account_id = %d limit 1",
intval($c['channel_account_id'])
);
if($a) {
$record = [ 'channel' => $c, 'account' => $a[0] ];
$channel_login = $c['channel_id'];
}
}
}
if($record) {
$verified = \Zotlabs\Web\HTTPSig::verify('',$record['channel']['channel_pubkey']);
if(! ($verified && $verified['header_signed'] && $verified['header_valid'])) {
$record = null;
}
}
}
}
}
}
require_once('include/auth.php');
require_once('include/security.php');
// process normal login request
if(isset($_SERVER['PHP_AUTH_USER']) && (! $record)) {
$channel_login = 0;
$record = account_verify_password($_SERVER['PHP_AUTH_USER'],$_SERVER['PHP_AUTH_PW']);
if($record && $record['channel']) {
$channel_login = $record['channel']['channel_id'];
}
}
if($record['account']) {
authenticate_success($record['account']);
if($channel_login)
change_channel($channel_login);
$_SESSION['allow_api'] = true;
return true;
}
else {
$_SERVER['PHP_AUTH_PW'] = '*****';
logger('API_login failure: ' . print_r($_SERVER,true), LOGGER_DEBUG);
log_failed_login('API login failure');
retry_basic_auth();
}
}
function retry_basic_auth($method = 'Basic') {
header('WWW-Authenticate: ' . $method . ' realm="Hubzilla"');
header('HTTP/1.0 401 Unauthorized');
echo('This api requires login');
killme();
}
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