diff options
Diffstat (limited to 'lib/apiauth.php')
| -rw-r--r-- | lib/apiauth.php | 128 |
1 files changed, 67 insertions, 61 deletions
diff --git a/lib/apiauth.php b/lib/apiauth.php index 927dcad6a..ac5e997c7 100644 --- a/lib/apiauth.php +++ b/lib/apiauth.php @@ -29,7 +29,7 @@ * @author mEDI <medi@milaro.net> * @author Sarven Capadisli <csarven@status.net> * @author Zach Copley <zach@status.net> - * @copyright 2009 StatusNet, Inc. + * @copyright 2009-2010 StatusNet, Inc. * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 * @link http://status.net/ */ @@ -53,9 +53,11 @@ require_once INSTALLDIR . '/lib/apioauth.php'; class ApiAuthAction extends ApiAction { - var $access_token; - var $oauth_access_type; - var $oauth_source; + var $auth_user_nickname = null; + var $auth_user_password = null; + var $access_token = null; + var $oauth_source = null; + var $auth_user = null; /** * Take arguments for running, and output basic auth header if needed @@ -70,11 +72,13 @@ class ApiAuthAction extends ApiAction { parent::prepare($args); - if ($this->requiresAuth()) { + $this->consumer_key = $this->arg('oauth_consumer_key'); + $this->access_token = $this->arg('oauth_token'); - $this->consumer_key = $this->arg('oauth_consumer_key'); - $this->access_token = $this->arg('oauth_token'); + // NOTE: $this->auth_user has to get set in prepare(), not handle(), + // because subclasses do stuff with it in their prepares. + if ($this->requiresAuth()) { if (!empty($this->access_token)) { $this->checkOAuthRequest(); } else { @@ -88,6 +92,17 @@ class ApiAuthAction extends ApiAction $this->checkBasicAuthUser(false); } + // Reject API calls with the wrong access level + + if ($this->isReadOnly($args) == false) { + if ($this->access != self::READ_WRITE) { + $msg = 'API resource requires read-write access, ' . + 'but you only have read access.'; + $this->clientError($msg, 401, $this->format); + exit; + } + } + return true; } @@ -98,8 +113,6 @@ class ApiAuthAction extends ApiAction function checkOAuthRequest() { - common_debug("We have an OAuth request."); - $datastore = new ApiStatusNetOAuthDataStore(); $server = new OAuthServer($datastore); $hmac_method = new OAuthSignatureMethod_HMAC_SHA1(); @@ -117,9 +130,10 @@ class ApiAuthAction extends ApiAction if (empty($app)) { - // this should really not happen - common_log(LOG_WARN, - "Couldn't find the OAuth app for consumer key: $this->consumer_key"); + // this should probably not happen + common_log(LOG_WARNING, + 'Couldn\'t find the OAuth app for consumer key: ' . + $this->consumer_key); throw new OAuthException('No application for that consumer key.'); } @@ -131,20 +145,18 @@ class ApiAuthAction extends ApiAction $appUser = Oauth_application_user::staticGet('token', $this->access_token); - // XXX: check that app->id and appUser->application_id and consumer all + // XXX: Check that app->id and appUser->application_id and consumer all // match? if (!empty($appUser)) { - // read or read-write - $this->oauth_access_type = $appUser->access_type; - // If access_type == 0 we have either a request token // or a bad / revoked access token - if ($this->oauth_access_type != 0) { + if ($appUser->access_type != 0) { + + // Set the access level for the api call - // Set the read or read-write access for the api call $this->access = ($appUser->access_type & Oauth_application::$writeAccess) ? self::READ_WRITE : self::READ_ONLY; @@ -154,38 +166,34 @@ class ApiAuthAction extends ApiAction } $msg = "API OAuth authentication for user '%s' (id: %d) on behalf of " . - "application '%s' (id: %d)."; + "application '%s' (id: %d) with %s access."; common_log(LOG_INFO, sprintf($msg, $this->auth_user->nickname, $this->auth_user->id, $app->name, - $app->id)); + $app->id, + ($this->access = self::READ_WRITE) ? + 'read-write' : 'read-only' + )); return true; } else { throw new OAuthException('Bad access token.'); } } else { - // also should not happen + // Also should not happen + throw new OAuthException('No user for that token.'); - } + } } catch (OAuthException $e) { - common_log(LOG_WARN, 'API OAuthException - ' . $e->getMessage()); - common_debug(var_export($req, true)); - $this->showOAuthError($e->getMessage()); - exit(); + common_log(LOG_WARNING, 'API OAuthException - ' . $e->getMessage()); + $this->showAuthError(); + exit; } } - function showOAuthError($msg) - { - header('HTTP/1.1 401 Unauthorized'); - header('Content-Type: text/html; charset=utf-8'); - print $msg . "\n"; - } - /** * Does this API resource require authentication? * @@ -210,43 +218,43 @@ class ApiAuthAction extends ApiAction $realm = common_config('site', 'name') . ' API'; - if (!isset($this->auth_user) && $required) { + if (!isset($this->auth_user_nickname) && $required) { header('WWW-Authenticate: Basic realm="' . $realm . '"'); // show error if the user clicks 'cancel' - $this->showBasicAuthError(); + $this->showAuthError(); exit; - } else if (isset($this->auth_user)) { - $nickname = $this->auth_user; - $password = $this->auth_pw; - $user = common_check_user($nickname, $password); - if (Event::handle('StartSetApiUser', array(&$user))) { - $this->auth_user = $user; + } else { - // By default, all basic auth users have read and write access - $this->access = self::READ_WRITE; + if (Event::handle('StartSetApiUser', array(&$user))) { + $this->auth_user = common_check_user($this->auth_user_nickname, + $this->auth_user_password); Event::handle('EndSetApiUser', array($user)); } + // By default, basic auth users have rw access + + $this->access = self::READ_WRITE; + if (empty($this->auth_user)) { // basic authentication failed list($proxy, $ip) = common_client_ip(); + common_log( LOG_WARNING, 'Failed API auth attempt, nickname = ' . "$nickname, proxy = $proxy, ip = $ip." ); - $this->showBasicAuthError(); + + $this->showAuthError(); exit; } } - - return true; } /** @@ -260,32 +268,30 @@ class ApiAuthAction extends ApiAction { if (isset($_SERVER['AUTHORIZATION']) || isset($_SERVER['HTTP_AUTHORIZATION']) - ) { - $authorization_header = isset($_SERVER['HTTP_AUTHORIZATION']) - ? $_SERVER['HTTP_AUTHORIZATION'] : $_SERVER['AUTHORIZATION']; + ) { + $authorization_header = isset($_SERVER['HTTP_AUTHORIZATION']) + ? $_SERVER['HTTP_AUTHORIZATION'] : $_SERVER['AUTHORIZATION']; } if (isset($_SERVER['PHP_AUTH_USER'])) { - $this->auth_user = $_SERVER['PHP_AUTH_USER']; - $this->auth_pw = $_SERVER['PHP_AUTH_PW']; + $this->auth_user_nickname = $_SERVER['PHP_AUTH_USER']; + $this->auth_user_password = $_SERVER['PHP_AUTH_PW']; } elseif (isset($authorization_header) && strstr(substr($authorization_header, 0, 5), 'Basic')) { - // decode the HTTP_AUTHORIZATION header on php-cgi server self + // Decode the HTTP_AUTHORIZATION header on php-cgi server self // on fcgid server the header name is AUTHORIZATION $auth_hash = base64_decode(substr($authorization_header, 6)); - list($this->auth_user, $this->auth_pw) = explode(':', $auth_hash); + list($this->auth_user_nickname, + $this->auth_user_password) = explode(':', $auth_hash); - // set all to null on a empty basic auth request + // Set all to null on a empty basic auth request - if ($this->auth_user == "") { - $this->auth_user = null; - $this->auth_pw = null; + if (empty($this->auth_user_nickname)) { + $this->auth_user_nickname = null; + $this->auth_password = null; } - } else { - $this->auth_user = null; - $this->auth_pw = null; } } @@ -296,7 +302,7 @@ class ApiAuthAction extends ApiAction * @return void */ - function showBasicAuthError() + function showAuthError() { header('HTTP/1.1 401 Unauthorized'); $msg = 'Could not authenticate you.'; |