* @author Evan Prodromou <evan@status.net>
* @author mEDI <medi@milaro.net>
* @author Sarven Capadisli <csarven@status.net>
- * @author Zach Copley <zach@status.net>
- * @copyright 2009 StatusNet, Inc.
+ * @author Zach Copley <zach@status.net>
+ * @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/
*/
exit(1);
}
-require_once INSTALLDIR . '/lib/api.php';
+require_once INSTALLDIR . '/lib/apioauth.php';
/**
* Actions extending this class will require auth
class ApiAuthAction extends ApiAction
{
-
- var $auth_user = null;
+ var $auth_user_nickname = null;
+ var $auth_user_password = null;
+ var $oauth_source = null;
/**
- * Take arguments for running, and output basic auth header if needed
+ * Take arguments for running, looks for an OAuth request,
+ * and outputs basic auth header if needed
*
* @param array $args $_REQUEST args
*
function prepare($args)
{
- common_debug('ApiAction::prepare()');
parent::prepare($args);
- if ($this->requiresAuth()) {
- $this->checkBasicAuthUser();
+ // NOTE: $this->auth_user has to get set in prepare(), not handle(),
+ // because subclasses do stuff with it in their prepares.
+
+ $oauthReq = $this->getOAuthRequest();
+
+ if (!$oauthReq) {
+ if ($this->requiresAuth()) {
+ $this->checkBasicAuthUser(true);
+ } else {
+ // Check to see if a basic auth user is there even
+ // if one's not required
+ $this->checkBasicAuthUser(false);
+ }
+ } else {
+ $this->checkOAuthRequest($oauthReq);
+ }
+
+ // 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;
}
+ /**
+ * Determine whether the request is an OAuth request.
+ * This is to avoid doign any unnecessary DB lookups.
+ *
+ * @return mixed the OAuthRequest or false
+ */
+
+ function getOAuthRequest()
+ {
+ ApiOauthAction::cleanRequest();
+
+ $req = OAuthRequest::from_request();
+
+ $consumer = $req->get_parameter('oauth_consumer_key');
+ $accessToken = $req->get_parameter('oauth_token');
+
+ // XXX: Is it good enough to assume it's not meant to be an
+ // OAuth request if there is no consumer or token? --Z
+
+ if (empty($consumer) || empty($accessToken)) {
+ return false;
+ }
+
+ return $req;
+ }
+
+ /**
+ * Verifies the OAuth request signature, sets the auth user
+ * and access type (read-only or read-write)
+ *
+ * @param OAuthRequest $request the OAuth Request
+ *
+ * @return nothing
+ */
+
+ function checkOAuthRequest($request)
+ {
+ $datastore = new ApiStatusNetOAuthDataStore();
+ $server = new OAuthServer($datastore);
+ $hmac_method = new OAuthSignatureMethod_HMAC_SHA1();
+
+ $server->add_signature_method($hmac_method);
+
+ try {
+
+ $server->verify_request($request);
+
+ $consumer = $request->get_parameter('oauth_consumer_key');
+ $access_token = $request->get_parameter('oauth_token');
+
+ $app = Oauth_application::getByConsumerKey($consumer);
+
+ if (empty($app)) {
+ common_log(LOG_WARNING,
+ 'Couldn\'t find the OAuth app for consumer key: ' .
+ $consumer);
+ throw new OAuthException('No application for that consumer key.');
+ }
+
+ // set the source attr
+
+ $this->oauth_source = $app->name;
+
+ $appUser = Oauth_application_user::staticGet('token', $access_token);
+
+ if (!empty($appUser)) {
+
+ // If access_type == 0 we have either a request token
+ // or a bad / revoked access token
+
+ if ($appUser->access_type != 0) {
+
+ // Set the access level for the api call
+
+ $this->access = ($appUser->access_type & Oauth_application::$writeAccess)
+ ? self::READ_WRITE : self::READ_ONLY;
+
+ // Set the auth user
+
+ if (Event::handle('StartSetApiUser', array(&$user))) {
+ $this->auth_user = User::staticGet('id', $appUser->profile_id);
+ Event::handle('EndSetApiUser', array($user));
+ }
+
+ $msg = "API OAuth authentication for user '%s' (id: %d) on behalf of " .
+ "application '%s' (id: %d) with %s access.";
+
+ common_log(LOG_INFO, sprintf($msg,
+ $this->auth_user->nickname,
+ $this->auth_user->id,
+ $app->name,
+ $app->id,
+ ($this->access = self::READ_WRITE) ?
+ 'read-write' : 'read-only'
+ ));
+ } else {
+ throw new OAuthException('Bad access token.');
+ }
+ } else {
+
+ // Also should not happen
+
+ throw new OAuthException('No user for that token.');
+ }
+
+ } catch (OAuthException $e) {
+ common_log(LOG_WARNING, 'API OAuthException - ' . $e->getMessage());
+ $this->showAuthError();
+ exit;
+ }
+ }
+
/**
* Does this API resource require authentication?
*
* @return boolean true or false
*/
- function checkBasicAuthUser()
+ function checkBasicAuthUser($required = true)
{
$this->basicAuthProcessHeader();
$realm = common_config('site', 'name') . ' API';
- if (!isset($this->auth_user)) {
+ 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 {
- $nickname = $this->auth_user;
- $password = $this->auth_pw;
- $this->auth_user = common_check_user($nickname, $password);
- if (empty($this->auth_user)) {
+ $user = common_check_user($this->auth_user_nickname,
+ $this->auth_user_password);
+
+ if (Event::handle('StartSetApiUser', array(&$user))) {
+
+ if (!empty($user)) {
+ $this->auth_user = $user;
+ }
+
+ Event::handle('EndSetApiUser', array($user));
+ }
+
+ // By default, basic auth users have rw access
+
+ $this->access = self::READ_WRITE;
+
+ if (empty($this->auth_user) && $required) {
// basic authentication failed
list($proxy, $ip) = common_client_ip();
- common_log(
- LOG_WARNING,
- 'Failed API auth attempt, nickname = ' .
- "$nickname, proxy = $proxy, ip = $ip."
- );
- $this->showBasicAuthError();
+
+ $msg = sprintf(_('Failed API auth attempt, nickname = %1$s, ' .
+ 'proxy = %2$s, ip = %3$s'),
+ $this->auth_user_nickname,
+ $proxy,
+ $ip);
+ common_log(LOG_WARNING, $msg);
+ $this->showAuthError();
exit;
}
}
- return true;
}
/**
{
if (isset($_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;
}
}
* @return void
*/
- function showBasicAuthError()
+ function showAuthError()
{
header('HTTP/1.1 401 Unauthorized');
$msg = 'Could not authenticate you.';
projects / quix0rs-gnu-social.git / blobdiff