From ec88d2650ea4371cf53229171851747b31587e4b Mon Sep 17 00:00:00 2001 From: Adrian Lang Date: Mon, 10 Aug 2009 14:48:50 +0200 Subject: Replace own OMB stack with libomb. --- actions/userauthorization.php | 406 +++++++++++------------------------------- 1 file changed, 103 insertions(+), 303 deletions(-) (limited to 'actions/userauthorization.php') diff --git a/actions/userauthorization.php b/actions/userauthorization.php index 8dc2c808d..d5b6a6998 100644 --- a/actions/userauthorization.php +++ b/actions/userauthorization.php @@ -1,5 +1,16 @@ + * @author Robin Millette + * @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3 + * @link http://laconi.ca/ + * * Laconica - a distributed open-source microblogging tool * Copyright (C) 2008, 2009, Control Yourself, Inc. * @@ -17,9 +28,13 @@ * along with this program. If not, see . */ -if (!defined('LACONICA')) { exit(1); } +if (!defined('LACONICA')) { + exit(1); +} -require_once(INSTALLDIR.'/lib/omb.php'); +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 @@ -32,42 +47,58 @@ class UserauthorizationAction extends Action parent::handle($args); if ($_SERVER['REQUEST_METHOD'] == 'POST') { - # CSRF protection + /* Use a session token for CSRF protection. */ $token = $this->trimmed('token'); if (!$token || $token != common_session_token()) { - $params = $this->getStoredParams(); - $this->showForm($params, _('There was a problem with your session token. '. - 'Try again, please.')); + $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 + /* We've shown the form, now post user's choice. */ $this->sendAuthorization(); } else { if (!common_logged_in()) { - # Go log in, and then come back + /* Go log in, and then come back. */ common_set_returnto($_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->validateRequest(); - $this->storeParams($_GET); - $this->showForm($_GET); - } catch (OAuthException $e) { + $this->validateOmb(); + $srv = new OMB_Service_Provider( + profile_to_omb_profile($_GET['omb_listener'], $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->error = $error; $this->showPage(); } @@ -79,23 +110,24 @@ class UserauthorizationAction extends Action 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".')); + '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['omb_listenee_nickname']; - $profile = $params['omb_listenee_profile']; - $license = $params['omb_listenee_license']; - $fullname = $params['omb_listenee_fullname']; - $homepage = $params['omb_listenee_homepage']; - $bio = $params['omb_listenee_bio']; - $location = $params['omb_listenee_location']; - $avatar = $params['omb_listenee_avatar']; + $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', array('class' => 'profile')); $this->elementStart('div', 'entity_profile vcard'); @@ -172,11 +204,14 @@ class UserauthorizationAction extends Action 'id' => 'userauthorization', 'class' => 'form_user_authorization', 'name' => 'userauthorization', - 'action' => common_local_url('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->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'); @@ -186,191 +221,27 @@ class UserauthorizationAction extends Action function sendAuthorization() { - $params = $this->getStoredParams(); + $srv = $this->getStoredParams(); - if (!$params) { + if (is_null($srv)) { $this->clientError(_('No authorization request!')); return; } - $callback = $params['oauth_callback']; - - if ($this->arg('accept')) { - if (!$this->authorizeToken($params)) { - $this->clientError(_('Error authorizing token')); - } - if (!$this->saveRemoteProfile($params)) { - $this->clientError(_('Error saving remote profile')); - } - if (!$callback) { - $this->showAcceptMessage($params['oauth_token']); - } else { - $newparams = array(); - $newparams['oauth_token'] = $params['oauth_token']; - $newparams['omb_version'] = OMB_VERSION_01; - $user = User::staticGet('uri', $params['omb_listener']); - $profile = $user->getProfile(); - if (!$profile) { - common_log_db_error($user, 'SELECT', __FILE__); - $this->serverError(_('User without matching profile')); - return; - } - $newparams['omb_listener_nickname'] = $user->nickname; - $newparams['omb_listener_profile'] = common_local_url('showstream', - array('nickname' => $user->nickname)); - if (!is_null($profile->fullname)) { - $newparams['omb_listener_fullname'] = $profile->fullname; - } - if (!is_null($profile->homepage)) { - $newparams['omb_listener_homepage'] = $profile->homepage; - } - if (!is_null($profile->bio)) { - $newparams['omb_listener_bio'] = $profile->bio; - } - if (!is_null($profile->location)) { - $newparams['omb_listener_location'] = $profile->location; - } - $avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE); - if ($avatar) { - $newparams['omb_listener_avatar'] = $avatar->url; - } - $parts = array(); - foreach ($newparams as $k => $v) { - $parts[] = $k . '=' . OAuthUtil::urlencode_rfc3986($v); - } - $query_string = implode('&', $parts); - $parsed = parse_url($callback); - $url = $callback . (($parsed['query']) ? '&' : '?') . $query_string; - common_redirect($url, 303); - } - } else { - if (!$callback) { - $this->showRejectMessage(); - } else { - # XXX: not 100% sure how to signal failure... just redirect without token? - common_redirect($callback, 303); - } - } - } - - function authorizeToken(&$params) - { - $token_field = $params['oauth_token']; - $rt = new Token(); - $rt->tok = $token_field; - $rt->type = 0; - $rt->state = 0; - if ($rt->find(true)) { - $orig_rt = clone($rt); - $rt->state = 1; # Authorized but not used - if ($rt->update($orig_rt)) { - return true; - } - } - return false; - } - - # XXX: refactor with similar code in finishremotesubscribe.php - - function saveRemoteProfile(&$params) - { - # FIXME: we should really do this when the consumer comes - # back for an access token. If they never do, we've got stuff in a - # weird state. - - $nickname = $params['omb_listenee_nickname']; - $fullname = $params['omb_listenee_fullname']; - $profile_url = $params['omb_listenee_profile']; - $homepage = $params['omb_listenee_homepage']; - $bio = $params['omb_listenee_bio']; - $location = $params['omb_listenee_location']; - $avatar_url = $params['omb_listenee_avatar']; - - $listenee = $params['omb_listenee']; - $remote = Remote_profile::staticGet('uri', $listenee); - - if ($remote) { - $exists = true; - $profile = Profile::staticGet($remote->id); - $orig_remote = clone($remote); - $orig_profile = clone($profile); - } else { - $exists = false; - $remote = new Remote_profile(); - $remote->uri = $listenee; - $profile = new Profile(); - } - - $profile->nickname = $nickname; - $profile->profileurl = $profile_url; - - if (!is_null($fullname)) { - $profile->fullname = $fullname; - } - if (!is_null($homepage)) { - $profile->homepage = $homepage; - } - if (!is_null($bio)) { - $profile->bio = $bio; - } - if (!is_null($location)) { - $profile->location = $location; - } - - if ($exists) { - $profile->update($orig_profile); - } else { - $profile->created = DB_DataObject_Cast::dateTime(); # current time - $id = $profile->insert(); - if (!$id) { - return false; - } - $remote->id = $id; + $accepted = $this->arg('accept'); + try { + list($val, $token) = $srv->continueUserAuth($accepted); + } catch (Exception $e) { + $this->clientError($e->getMessage()); + return; } - - if ($exists) { - if (!$remote->update($orig_remote)) { - return false; - } + if ($val !== false) { + common_redirect($val, 303); + } elseif ($accepted) { + $this->showAcceptMessage($token); } else { - $remote->created = DB_DataObject_Cast::dateTime(); # current time - if (!$remote->insert()) { - return false; - } - } - - if ($avatar_url) { - if (!$this->addAvatar($profile, $avatar_url)) { - return false; - } - } - - $user = common_current_user(); - - $sub = new Subscription(); - $sub->subscriber = $user->id; - $sub->subscribed = $remote->id; - $sub->token = $params['oauth_token']; # NOTE: request token, not valid for use! - $sub->created = DB_DataObject_Cast::dateTime(); # current time - - if (!$sub->insert()) { - return false; + $this->showRejectMessage(); } - - return true; - } - - function addAvatar($profile, $url) - { - $temp_filename = tempnam(sys_get_temp_dir(), 'listenee_avatar'); - copy($url, $temp_filename); - $imagefile = new ImageFile($profile->id, $temp_filename); - $filename = Avatar::filename($profile->id, - image_type_to_extension($imagefile->type), - null, - common_timestamp()); - rename($temp_filename, Avatar::path($filename)); - return $profile->setOriginal($filename); } function showAcceptMessage($tok) @@ -378,26 +249,28 @@ class UserauthorizationAction extends Action 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:')); + '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', $tok); common_show_footer(); } - function showRejectMessage($tok) + function showRejectMessage() { common_show_header(_('Subscription rejected')); $this->element('p', null, _('The subscription has been rejected, but no '. - 'callback URL was passed. Check with the site\'s instructions for '. - 'details on how to fully reject the subscription.')); + 'callback URL was passed. Check with the site\'s ' . + 'instructions for details on how to fully reject ' . + 'the subscription.')); common_show_footer(); } function storeParams($params) { common_ensure_session(); - $_SESSION['userauthorizationparams'] = $params; + $_SESSION['userauthorizationparams'] = serialize($params); } function clearParams() @@ -409,138 +282,65 @@ class UserauthorizationAction extends Action function getStoredParams() { common_ensure_session(); - $params = $_SESSION['userauthorizationparams']; + $params = unserialize($_SESSION['userauthorizationparams']); return $params; } - # Throws an OAuthException if anything goes wrong - - function validateRequest() - { - /* Find token. - TODO: If no token is passed the user should get a prompt to enter it - according to OAuth Core 1.0 */ - $t = new Token(); - $t->tok = $_GET['oauth_token']; - $t->type = 0; - if (!$t->find(true)) { - throw new OAuthException("Invalid request token: " . $_GET['oauth_token']); - } - - $this->validateOmb(); - return true; - } - function validateOmb() { - foreach (array('omb_version', 'omb_listener', 'omb_listenee', - 'omb_listenee_profile', 'omb_listenee_nickname', - 'omb_listenee_license') as $param) - { - if (!isset($_GET[$param]) || is_null($_GET[$param])) { - throw new OAuthException("Required parameter '$param' not found"); - } - } - # Now, OMB stuff - $version = $_GET['omb_version']; - if ($version != OMB_VERSION_01) { - throw new OAuthException("OpenMicroBlogging version '$version' not supported"); - } $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 OAuthException("Listener URI '$listener' not found here"); + throw new Exception("Listener URI '$listener' not found here"); } $cur = common_current_user(); if ($cur->id != $user->id) { - throw new OAuthException("Can't add for another user!"); - } - $listenee = $_GET['omb_listenee']; - if (!Validate::uri($listenee) && - !common_valid_tag($listenee)) { - throw new OAuthException("Listenee URI '$listenee' not a recognizable URI"); - } - if (strlen($listenee) > 255) { - throw new OAuthException("Listenee URI '$listenee' too long"); + throw new Exception('Can\'t subscribe for another user!'); } $other = User::staticGet('uri', $listenee); if ($other) { - throw new OAuthException("Listenee URI '$listenee' is local user"); + throw new Exception("Listenee URI '$listenee' is local user"); } $remote = Remote_profile::staticGet('uri', $listenee); if ($remote) { - $sub = new Subscription(); + $sub = new Subscription(); $sub->subscriber = $user->id; $sub->subscribed = $remote->id; if ($sub->find(true)) { - throw new OAuthException("Already subscribed to user!"); + throw new Exception('You are already subscribed to this user.'); } } - $nickname = $_GET['omb_listenee_nickname']; - if (!Validate::string($nickname, array('min_length' => 1, - 'max_length' => 64, - 'format' => VALIDATE_NUM . VALIDATE_ALPHA_LOWER))) { - throw new OAuthException('Nickname must have only letters and numbers and no spaces.'); - } - $profile = $_GET['omb_listenee_profile']; - if (!common_valid_http_url($profile)) { - throw new OAuthException("Invalid profile URL '$profile'."); - } - if ($profile == common_local_url('showstream', array('nickname' => $nickname))) { - throw new OAuthException("Profile URL '$profile' is for a local user."); + if ($profile == common_profile_url($nickname)) { + throw new Exception("Profile URL '$profile' is for a local user."); } - $license = $_GET['omb_listenee_license']; - if (!common_valid_http_url($license)) { - throw new OAuthException("Invalid license URL '$license'."); - } + $license = $_GET['omb_listenee_license']; $site_license = common_config('license', 'url'); if (!common_compatible_license($license, $site_license)) { - throw new OAuthException("Listenee stream license '$license' not compatible with site license '$site_license'."); - } - # optional stuff - $fullname = $_GET['omb_listenee_fullname']; - if ($fullname && mb_strlen($fullname) > 255) { - throw new OAuthException("Full name '$fullname' too long."); - } - $homepage = $_GET['omb_listenee_homepage']; - if ($homepage && (!common_valid_http_url($homepage) || mb_strlen($homepage) > 255)) { - throw new OAuthException("Invalid homepage '$homepage'"); - } - $bio = $_GET['omb_listenee_bio']; - if ($bio && mb_strlen($bio) > 140) { - throw new OAuthException("Bio too long '$bio'"); - } - $location = $_GET['omb_listenee_location']; - if ($location && mb_strlen($location) > 255) { - throw new OAuthException("Location too long '$location'"); + throw new Exception("Listenee stream license '$license' is not " . + "compatible with site license '$site_license'."); } $avatar = $_GET['omb_listenee_avatar']; if ($avatar) { if (!common_valid_http_url($avatar) || strlen($avatar) > 255) { - throw new OAuthException("Invalid avatar URL '$avatar'"); + throw new Exception("Invalid avatar URL '$avatar'"); } $size = @getimagesize($avatar); if (!$size) { - throw new OAuthException("Can't read avatar URL '$avatar'"); - } - if ($size[0] != AVATAR_PROFILE_SIZE || $size[1] != AVATAR_PROFILE_SIZE) { - throw new OAuthException("Wrong size image at '$avatar'"); + throw new Exception("Can't read avatar URL '$avatar'."); } if (!in_array($size[2], array(IMAGETYPE_GIF, IMAGETYPE_JPEG, IMAGETYPE_PNG))) { - throw new OAuthException("Wrong image type for '$avatar'"); + throw new Exception("Wrong image type for '$avatar'"); } } - $callback = $_GET['oauth_callback']; - if ($callback && !common_valid_http_url($callback)) { - throw new OAuthException("Invalid callback URL '$callback'"); - } - if ($callback && $callback == common_local_url('finishremotesubscribe')) { - throw new OAuthException("Callback URL '$callback' is for local site."); - } } } +?> -- cgit v1.2.3-54-g00ecf