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-rw-r--r--lib/apiauth.php196
1 files changed, 163 insertions, 33 deletions
diff --git a/lib/apiauth.php b/lib/apiauth.php
index 7102764cb..c684a6cae 100644
--- a/lib/apiauth.php
+++ b/lib/apiauth.php
@@ -28,8 +28,8 @@
* @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/
*/
@@ -39,6 +39,7 @@ if (!defined('STATUSNET')) {
}
require_once INSTALLDIR . '/lib/api.php';
+require_once INSTALLDIR . '/lib/apioauth.php';
/**
* Actions extending this class will require auth
@@ -52,6 +53,10 @@ require_once INSTALLDIR . '/lib/api.php';
class ApiAuthAction extends ApiAction
{
+ var $auth_user_nickname = null;
+ var $auth_user_password = null;
+ var $access_token = null;
+ var $oauth_source = null;
/**
* Take arguments for running, and output basic auth header if needed
@@ -66,13 +71,130 @@ class ApiAuthAction extends ApiAction
{
parent::prepare($args);
+ $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()) {
- $this->checkBasicAuthUser();
+ if (!empty($this->access_token)) {
+ $this->checkOAuthRequest();
+ } else {
+ $this->checkBasicAuthUser(true);
+ }
+ } else {
+
+ // Check to see if a basic auth user is there even
+ // if one's not required
+
+ if (empty($this->access_token)) {
+ $this->checkBasicAuthUser(false);
+ }
+ }
+
+ // Reject API calls with the wrong access level
+
+ if ($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, $this->format);
+ exit;
+ }
}
return true;
}
+ function handle($args)
+ {
+ parent::handle($args);
+ }
+
+ function checkOAuthRequest()
+ {
+ $datastore = new ApiStatusNetOAuthDataStore();
+ $server = new OAuthServer($datastore);
+ $hmac_method = new OAuthSignatureMethod_HMAC_SHA1();
+
+ $server->add_signature_method($hmac_method);
+
+ ApiOauthAction::cleanRequest();
+
+ try {
+
+ $req = OAuthRequest::from_request();
+ $server->verify_request($req);
+
+ $app = Oauth_application::getByConsumerKey($this->consumer_key);
+
+ if (empty($app)) {
+
+ // 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.');
+ }
+
+ // set the source attr
+
+ $this->oauth_source = $app->name;
+
+ $appUser = Oauth_application_user::staticGet('token',
+ $this->access_token);
+
+ // XXX: Check that app->id and appUser->application_id and consumer all
+ // match?
+
+ if (!empty($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::$writeAccess)
+ ? self::READ_WRITE : self::READ_ONLY;
+
+ if (Event::handle('StartSetApiUser', array(&$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'
+ ));
+ return;
+ } 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());
+ $this->showAuthError();
+ exit;
+ }
+ }
+
/**
* Does this API resource require authentication?
*
@@ -91,44 +213,54 @@ class ApiAuthAction extends ApiAction
* @return boolean true or false
*/
- function checkBasicAuthUser()
+ function checkBasicAuthUser($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;
- $user = common_check_user($nickname, $password);
+
+ $user = common_check_user($this->auth_user_nickname,
+ $this->auth_user_password);
+
if (Event::handle('StartSetApiUser', array(&$user))) {
- $this->auth_user = $user;
+
+ if (!empty($user)) {
+ $this->auth_user = $user;
+ }
+
Event::handle('EndSetApiUser', array($user));
}
- if (empty($this->auth_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);
+ $this->showAuthError();
exit;
}
}
- return true;
}
/**
@@ -142,32 +274,30 @@ class ApiAuthAction extends ApiAction
{
if (isset($_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;
}
}
@@ -178,7 +308,7 @@ class ApiAuthAction extends ApiAction
* @return void
*/
- function showBasicAuthError()
+ function showAuthError()
{
header('HTTP/1.1 401 Unauthorized');
$msg = 'Could not authenticate you.';
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-07 10:46:04 +0000