]> git.mxchange.org Git - quix0rs-gnu-social.git/blobdiff - actions/userauthorization.php
Merge branch 'testing' of git@gitorious.org:statusnet/mainline into testing
[quix0rs-gnu-social.git] / actions / userauthorization.php
index 617830e9a6d5011f04e953354716342dd92e6c6c..7f71c60dbe64441adc9515b1ab106362089ce897 100644 (file)
@@ -1,7 +1,18 @@
 <?php
-/*
- * Laconica - a distributed open-source microblogging tool
- * Copyright (C) 2008, Controlez-Vous, Inc.
+/**
+ * Let the user authorize a remote subscription request
+ *
+ * PHP version 5
+ *
+ * @category Action
+ * @package  StatusNet
+ * @author   Evan Prodromou <evan@status.net>
+ * @author   Robin Millette <millette@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link     http://status.net/
+ *
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2008, 2009, StatusNet, Inc.
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as published by
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-if (!defined('LACONICA')) { exit(1); }
-
-class UserauthorizationAction extends Action {
-       function handle($args) {
-               parent::handle($args);
-               
-               if ($_SERVER['REQUEST_METHOD'] == 'POST') {
-                       $this->send_authorization();
-               } else {
-                       try {
-                               $req = $this->get_request();
-                               if (!$req) {
-                                       common_server_error(_t('Cannot find request'));
-                               }
-                               common_debug('userauthorization.php - $req = "'.print_r($req,TRUE).'"');
-                               $server = common_oauth_server();
-                               $server->get_version($req);
-                               $consumer = $server->get_consumer($req);
-                               common_debug('userauthorization.php - $consumer = "'.print_r($consumer,TRUE).'"');
-                               $token = $server->get_token($req, $consumer, "request");
-                               common_debug('userauthorization.php - $token = "'.print_r($token,TRUE).'"');
-                               $server->check_signature($req, $consumer, $token);
-                       } catch (OAuthException $e) {
-                               $this->clear_request();
-                               common_server_error($e->getMessage());
-                               return;
-                       }
-                       
-                       if (common_logged_in()) {
-                               $this->show_form($req);
-                       } else {
-                               # Go log in, and then come back
-                               common_set_returnto(common_local_url('userauthorization'));
-                               common_redirect(common_local_url('login'));
-                       }
-               }
-       }
-       
-       function store_request($req) {
-               common_ensure_session();
-               $_SESSION['userauthorizationrequest'] = $req;
-       }
-       
-       function get_request() {
-               common_ensure_session();                
-               $req = $_SESSION['userauthorizationrequest'];
-               if (!$req) {
-                       # XXX: may have an uncaught exception
-                       $req = OAuthRequest::from_request();
-                       if ($req) {
-                               $this->store_request($req);
-                       }
-               }
-               return $req;
-       }
-       
-       function show_form($req) {
-               common_show_header(_t('Authorize subscription'));
-
-               common_show_footer();
-       }
-       
-       function send_authorization() {
-               $req = $this->get_request();
-               
-               if (!$req) {
-                       common_user_error(_t('No authorization request!'));
-                       return;
-               }
-               
-               if ($this->boolean('authorize')) {
-                       
-               }
-       }
+if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
+
+require_once INSTALLDIR.'/lib/omb.php';
+require_once INSTALLDIR.'/extlib/libomb/service_provider.php';
+require_once INSTALLDIR.'/extlib/libomb/profile.php';
+define('TIMESTAMP_THRESHOLD', 300);
+
+class UserauthorizationAction extends Action
+{
+    var $error;
+    var $params;
+
+    function handle($args)
+    {
+        parent::handle($args);
+
+        if ($_SERVER['REQUEST_METHOD'] == 'POST') {
+            /* Use a session token for CSRF protection. */
+            $token = $this->trimmed('token');
+            if (!$token || $token != common_session_token()) {
+                $srv = $this->getStoredParams();
+                $this->showForm($srv->getRemoteUser(), _('There was a problem ' .
+                                        'with your session token. Try again, ' .
+                                        'please.'));
+                return;
+            }
+            /* We've shown the form, now post user's choice. */
+            $this->sendAuthorization();
+        } else {
+            if (!common_logged_in()) {
+                /* Go log in, and then come back. */
+                common_set_returnto($_SERVER['REQUEST_URI']);
+
+                common_redirect(common_local_url('login'));
+                return;
+            }
+
+            $user    = common_current_user();
+            $profile = $user->getProfile();
+            if (!$profile) {
+                common_log_db_error($user, 'SELECT', __FILE__);
+                $this->serverError(_('User without matching profile'));
+                return;
+            }
+
+            /* TODO: If no token is passed the user should get a prompt to enter
+               it according to OAuth Core 1.0. */
+            try {
+                $this->validateOmb();
+                $srv = new OMB_Service_Provider(
+                        profile_to_omb_profile($user->uri, $profile),
+                        omb_oauth_datastore());
+
+                $remote_user = $srv->handleUserAuth();
+            } catch (Exception $e) {
+                $this->clearParams();
+                $this->clientError($e->getMessage());
+                return;
+            }
+
+            $this->storeParams($srv);
+            $this->showForm($remote_user);
+        }
+    }
+
+    function showForm($params, $error=null)
+    {
+        $this->params = $params;
+        $this->error  = $error;
+        $this->showPage();
+    }
+
+    function title()
+    {
+        return _('Authorize subscription');
+    }
+
+    function showPageNotice()
+    {
+        $this->element('p', null, _('Please check these details to make sure '.
+                                    'that you want to subscribe to this ' .
+                                    'user’s notices. If you didn’t just ask ' .
+                                    'to subscribe to someone’s notices, '.
+                                    'click “Reject”.'));
+    }
+
+    function showContent()
+    {
+        $params = $this->params;
+
+        $nickname = $params->getNickname();
+        $profile  = $params->getProfileURL();
+        $license  = $params->getLicenseURL();
+        $fullname = $params->getFullname();
+        $homepage = $params->getHomepage();
+        $bio      = $params->getBio();
+        $location = $params->getLocation();
+        $avatar   = $params->getAvatarURL();
+
+        $this->elementStart('div', 'entity_profile vcard');
+        $this->elementStart('dl', 'entity_depiction');
+        $this->element('dt', null, _('Photo'));
+        $this->elementStart('dd');
+        if ($avatar) {
+            $this->element('img', array('src' => $avatar,
+                                        'class' => 'photo avatar',
+                                        'width' => AVATAR_PROFILE_SIZE,
+                                        'height' => AVATAR_PROFILE_SIZE,
+                                        'alt' => $nickname));
+        }
+        $this->elementEnd('dd');
+        $this->elementEnd('dl');
+
+        $this->elementStart('dl', 'entity_nickname');
+        $this->element('dt', null, _('Nickname'));
+        $this->elementStart('dd');
+        $hasFN = ($fullname !== '') ? 'nickname' : 'fn nickname';
+        $this->elementStart('a', array('href' => $profile,
+                                       'class' => 'url '.$hasFN));
+        $this->raw($nickname);
+        $this->elementEnd('a');
+        $this->elementEnd('dd');
+        $this->elementEnd('dl');
+
+        if (!is_null($fullname)) {
+            $this->elementStart('dl', 'entity_fn');
+            $this->elementStart('dd');
+            $this->elementStart('span', 'fn');
+            $this->raw($fullname);
+            $this->elementEnd('span');
+            $this->elementEnd('dd');
+            $this->elementEnd('dl');
+        }
+        if (!is_null($location)) {
+            $this->elementStart('dl', 'entity_location');
+            $this->element('dt', null, _('Location'));
+            $this->elementStart('dd', 'label');
+            $this->raw($location);
+            $this->elementEnd('dd');
+            $this->elementEnd('dl');
+        }
+
+        if (!is_null($homepage)) {
+            $this->elementStart('dl', 'entity_url');
+            $this->element('dt', null, _('URL'));
+            $this->elementStart('dd');
+            $this->elementStart('a', array('href' => $homepage,
+                                                'class' => 'url'));
+            $this->raw($homepage);
+            $this->elementEnd('a');
+            $this->elementEnd('dd');
+            $this->elementEnd('dl');
+        }
+
+        if (!is_null($bio)) {
+            $this->elementStart('dl', 'entity_note');
+            $this->element('dt', null, _('Note'));
+            $this->elementStart('dd', 'note');
+            $this->raw($bio);
+            $this->elementEnd('dd');
+            $this->elementEnd('dl');
+        }
+
+        if (!is_null($license)) {
+            $this->elementStart('dl', 'entity_license');
+            $this->element('dt', null, _('License'));
+            $this->elementStart('dd', 'license');
+            $this->element('a', array('href' => $license,
+                                      'class' => 'license'),
+                           $license);
+            $this->elementEnd('dd');
+            $this->elementEnd('dl');
+        }
+        $this->elementEnd('div');
+
+        $this->elementStart('div', 'entity_actions');
+        $this->elementStart('ul');
+        $this->elementStart('li', 'entity_subscribe');
+        $this->elementStart('form', array('method' => 'post',
+                                          'id' => 'userauthorization',
+                                          'class' => 'form_user_authorization',
+                                          'name' => 'userauthorization',
+                                          'action' => common_local_url(
+                                                         'userauthorization')));
+        $this->hidden('token', common_session_token());
+
+        $this->submit('accept', _('Accept'), 'submit accept', null,
+                      _('Subscribe to this user'));
+        $this->submit('reject', _('Reject'), 'submit reject', null,
+                      _('Reject this subscription'));
+        $this->elementEnd('form');
+        $this->elementEnd('li');
+        $this->elementEnd('ul');
+        $this->elementEnd('div');
+    }
+
+    function sendAuthorization()
+    {
+        $srv = $this->getStoredParams();
+
+        if (is_null($srv)) {
+            $this->clientError(_('No authorization request!'));
+            return;
+        }
+
+        $accepted = $this->arg('accept');
+        try {
+            list($val, $token) = $srv->continueUserAuth($accepted);
+        } catch (Exception $e) {
+            $this->clientError($e->getMessage());
+            return;
+        }
+        if ($val !== false) {
+            common_redirect($val, 303);
+        } elseif ($accepted) {
+            $this->showAcceptMessage($token);
+        } else {
+            $this->showRejectMessage();
+        }
+    }
+
+    function showAcceptMessage($tok)
+    {
+        common_show_header(_('Subscription authorized'));
+        $this->element('p', null,
+                       _('The subscription has been authorized, but no '.
+                         'callback URL was passed. Check with the site’s ' .
+                         'instructions for details on how to authorize the ' .
+                         'subscription. Your subscription token is:'));
+        $this->element('blockquote', 'token', $tok);
+        common_show_footer();
+    }
+
+    function showRejectMessage()
+    {
+        common_show_header(_('Subscription rejected'));
+        $this->element('p', null,
+                       _('The subscription has been rejected, but no '.
+                         'callback URL was passed. Check with the site’s ' .
+                         'instructions for details on how to fully reject ' .
+                         'the subscription.'));
+        common_show_footer();
+    }
+
+    function storeParams($params)
+    {
+        common_ensure_session();
+        $_SESSION['userauthorizationparams'] = serialize($params);
+    }
+
+    function clearParams()
+    {
+        common_ensure_session();
+        unset($_SESSION['userauthorizationparams']);
+    }
+
+    function getStoredParams()
+    {
+        common_ensure_session();
+        $params = unserialize($_SESSION['userauthorizationparams']);
+        return $params;
+    }
+
+    function validateOmb()
+    {
+        $listener = $_GET['omb_listener'];
+        $listenee = $_GET['omb_listenee'];
+        $nickname = $_GET['omb_listenee_nickname'];
+        $profile  = $_GET['omb_listenee_profile'];
+
+        $user = User::staticGet('uri', $listener);
+        if (!$user) {
+            throw new Exception(sprintf(_('Listener URI ‘%s’ not found here.'),
+                                        $listener));
+        }
+
+        if (strlen($listenee) > 255) {
+            throw new Exception(sprintf(_('Listenee URI ‘%s’ is too long.'),
+                                        $listenee));
+        }
+
+        $other = User::staticGet('uri', $listenee);
+        if ($other) {
+            throw new Exception(sprintf(_('Listenee URI ‘%s’ is a local user.'),
+                                        $listenee));
+        }
+
+        $remote = Remote_profile::staticGet('uri', $listenee);
+        if ($remote) {
+            $sub             = new Subscription();
+            $sub->subscriber = $user->id;
+            $sub->subscribed = $remote->id;
+            if ($sub->find(true)) {
+                throw new Exception('You are already subscribed to this user.');
+            }
+        }
+
+        if ($profile == common_profile_url($nickname)) {
+            throw new Exception(sprintf(_('Profile URL ‘%s’ is for a local user.'),
+                                        $profile));
+
+        }
+
+        $license      = $_GET['omb_listenee_license'];
+        $site_license = common_config('license', 'url');
+        if (!common_compatible_license($license, $site_license)) {
+            throw new Exception(sprintf(_('Listenee stream license ‘%1$s’ is not ' .
+                                          'compatible with site license ‘%2$s’.'),
+                                        $license, $site_license));
+        }
+
+        $avatar = $_GET['omb_listenee_avatar'];
+        if ($avatar) {
+            if (!common_valid_http_url($avatar) || strlen($avatar) > 255) {
+                throw new Exception(sprintf(_('Avatar URL ‘%s’ is not valid.'),
+                                            $avatar));
+            }
+            $size = @getimagesize($avatar);
+            if (!$size) {
+                throw new Exception(sprintf(_('Can’t read avatar URL ‘%s’.'),
+                                            $avatar));
+            }
+            if (!in_array($size[2], array(IMAGETYPE_GIF, IMAGETYPE_JPEG,
+                                          IMAGETYPE_PNG))) {
+                throw new Exception(sprintf(_('Wrong image type for avatar URL '.
+                                              '‘%s’.'), $avatar));
+            }
+        }
+    }
 }