diff options
Diffstat (limited to 'actions/userauthorization.php')
| -rw-r--r-- | actions/userauthorization.php | 1104 |
1 files changed, 552 insertions, 552 deletions
diff --git a/actions/userauthorization.php b/actions/userauthorization.php index ac0a0728c..97809f197 100644 --- a/actions/userauthorization.php +++ b/actions/userauthorization.php @@ -24,556 +24,556 @@ define('TIMESTAMP_THRESHOLD', 300); class UserauthorizationAction extends Action { - function handle($args) { - parent::handle($args); - - if ($_SERVER['REQUEST_METHOD'] == 'POST') { - # CSRF protection - $token = $this->trimmed('token'); - if (!$token || $token != common_session_token()) { - $req = $this->get_stored_request(); - $this->show_form(_('There was a problem with your session token. Try again, please.'), $req); - return; - } - # We've shown the form, now post user's choice - $this->send_authorization(); - } else { - if (!common_logged_in()) { - # Go log in, and then come back - common_debug('saving URL for returnto', __FILE__); - common_set_returnto($_SERVER['REQUEST_URI']); - - common_debug('redirecting to login', __FILE__); - common_redirect(common_local_url('login')); - return; - } - try { - # this must be a new request - common_debug('getting new request', __FILE__); - $req = $this->get_new_request(); - if (!$req) { - $this->client_error(_('No request found!')); - } - common_debug('validating request', __FILE__); - # XXX: only validate new requests, since nonce is one-time use - $this->validate_request($req); - common_debug('showing form', __FILE__); - $this->store_request($req); - $this->show_form($req); - } catch (OAuthException $e) { - $this->clear_request(); - $this->client_error($e->getMessage()); - return; - } - - } - } - - function show_form($req) { - - $nickname = $req->get_parameter('omb_listenee_nickname'); - $profile = $req->get_parameter('omb_listenee_profile'); - $license = $req->get_parameter('omb_listenee_license'); - $fullname = $req->get_parameter('omb_listenee_fullname'); - $homepage = $req->get_parameter('omb_listenee_homepage'); - $bio = $req->get_parameter('omb_listenee_bio'); - $location = $req->get_parameter('omb_listenee_location'); - $avatar = $req->get_parameter('omb_listenee_avatar'); - - common_show_header(_('Authorize subscription')); - common_element('p', NULL, _('Please check these details to make sure '. - 'that you want to subscribe to this user\'s notices. '. - 'If you didn\'t just ask to subscribe to someone\'s notices, '. - 'click "Cancel".')); - common_element_start('div', 'profile'); - if ($avatar) { - common_element('img', array('src' => $avatar, - 'class' => 'avatar profile', - 'width' => AVATAR_PROFILE_SIZE, - 'height' => AVATAR_PROFILE_SIZE, - 'alt' => $nickname)); - } - common_element('a', array('href' => $profile, - 'class' => 'external profile nickname'), - $nickname); - if ($fullname) { - common_element_start('div', 'fullname'); - if ($homepage) { - common_element('a', array('href' => $homepage), - $fullname); - } else { - common_text($fullname); - } - common_element_end('div'); - } - if ($location) { - common_element('div', 'location', $location); - } - if ($bio) { - common_element('div', 'bio', $bio); - } - common_element_start('div', 'license'); - common_element('a', array('href' => $license, - 'class' => 'license'), - $license); - common_element_end('div'); - common_element_end('div'); - common_element_start('form', array('method' => 'post', - 'id' => 'userauthorization', - 'name' => 'userauthorization', - 'action' => common_local_url('userauthorization'))); - common_hidden('token', common_session_token()); - common_submit('accept', _('Accept')); - common_submit('reject', _('Reject')); - common_element_end('form'); - common_show_footer(); - } - - function send_authorization() { - $req = $this->get_stored_request(); - - if (!$req) { - common_user_error(_('No authorization request!')); - return; - } - - $callback = $req->get_parameter('oauth_callback'); - - if ($this->arg('accept')) { - if (!$this->authorize_token($req)) { - $this->client_error(_('Error authorizing token')); - } - if (!$this->save_remote_profile($req)) { - $this->client_error(_('Error saving remote profile')); - } - if (!$callback) { - $this->show_accept_message($req->get_parameter('oauth_token')); - } else { - $params = array(); - $params['oauth_token'] = $req->get_parameter('oauth_token'); - $params['omb_version'] = OMB_VERSION_01; - $user = User::staticGet('uri', $req->get_parameter('omb_listener')); - $profile = $user->getProfile(); - if (!$profile) { - common_log_db_error($user, 'SELECT', __FILE__); - $this->server_error(_('User without matching profile')); - return; - } - $params['omb_listener_nickname'] = $user->nickname; - $params['omb_listener_profile'] = common_local_url('showstream', - array('nickname' => $user->nickname)); - if ($profile->fullname) { - $params['omb_listener_fullname'] = $profile->fullname; - } - if ($profile->homepage) { - $params['omb_listener_homepage'] = $profile->homepage; - } - if ($profile->bio) { - $params['omb_listener_bio'] = $profile->bio; - } - if ($profile->location) { - $params['omb_listener_location'] = $profile->location; - } - $avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE); - if ($avatar) { - $params['omb_listener_avatar'] = $avatar->url; - } - $parts = array(); - foreach ($params as $k => $v) { - $parts[] = $k . '=' . OAuthUtil::urlencodeRFC3986($v); - } - $query_string = implode('&', $parts); - $parsed = parse_url($callback); - $url = $callback . (($parsed['query']) ? '&' : '?') . $query_string; - common_redirect($url, 303); - } - } else { - if (!$callback) { - $this->show_reject_message(); - } else { - # XXX: not 100% sure how to signal failure... just redirect without token? - common_redirect($callback, 303); - } - } - } - - function authorize_token(&$req) { - $consumer_key = $req->get_parameter('oauth_consumer_key'); - $token_field = $req->get_parameter('oauth_token'); - common_debug('consumer key = "'.$consumer_key.'"', __FILE__); - common_debug('token field = "'.$token_field.'"', __FILE__); - $rt = new Token(); - $rt->consumer_key = $consumer_key; - $rt->tok = $token_field; - $rt->type = 0; - $rt->state = 0; - common_debug('request token to look up: "'.print_r($rt,TRUE).'"'); - if ($rt->find(true)) { - common_debug('found request token to authorize', __FILE__); - $orig_rt = clone($rt); - $rt->state = 1; # Authorized but not used - if ($rt->update($orig_rt)) { - common_debug('updated request token so it is authorized', __FILE__); - return true; - } - } - return FALSE; - } - - # XXX: refactor with similar code in finishremotesubscribe.php - - function save_remote_profile(&$req) { - # 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 = $req->get_parameter('omb_listenee_nickname'); - $fullname = $req->get_parameter('omb_listenee_fullname'); - $profile_url = $req->get_parameter('omb_listenee_profile'); - $homepage = $req->get_parameter('omb_listenee_homepage'); - $bio = $req->get_parameter('omb_listenee_bio'); - $location = $req->get_parameter('omb_listenee_location'); - $avatar_url = $req->get_parameter('omb_listenee_avatar'); - - $listenee = $req->get_parameter('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 = $profile_url; - - if ($fullname) { - $profile->fullname = $fullname; - } - if ($homepage) { - $profile->homepage = $homepage; - } - if ($bio) { - $profile->bio = $bio; - } - if ($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 = $id; - } - - if ($exists) { - if (!$remote->update($orig_remote)) { - return FALSE; - } - } else { - $remote->created = DB_DataObject_Cast::dateTime(); # current time - if (!$remote->insert()) { - return FALSE; - } - } - - if ($avatar_url) { - if (!$this->add_avatar($profile, $avatar_url)) { - return FALSE; - } - } - - $user = common_current_user(); - $datastore = omb_oauth_datastore(); - $consumer = $this->get_consumer($datastore, $req); - $token = $this->get_token($datastore, $req, $consumer); - - $sub = new Subscription(); - $sub->subscriber = $user->id; - $sub->subscribed = $remote->id; - $sub->token = $token->key; # NOTE: request token, not valid for use! - $sub->created = DB_DataObject_Cast::dateTime(); # current time - - if (!$sub->insert()) { - return FALSE; - } - - return TRUE; - } - - function add_avatar($profile, $url) { - $temp_filename = tempnam(sys_get_temp_dir(), 'listenee_avatar'); - copy($url, $temp_filename); - return $profile->setOriginal($temp_filename); - } - - function show_accept_message($tok) { - common_show_header(_('Subscription authorized')); - common_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:')); - common_element('blockquote', 'token', $tok); - common_show_footer(); - } - - function show_reject_message($tok) { - common_show_header(_('Subscription rejected')); - common_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 store_request($req) { - common_ensure_session(); - $_SESSION['userauthorizationrequest'] = $req; - } - - function clear_request() { - common_ensure_session(); - unset($_SESSION['userauthorizationrequest']); - } - - function get_stored_request() { - common_ensure_session(); - $req = $_SESSION['userauthorizationrequest']; - return $req; - } - - function get_new_request() { - common_remove_magic_from_request(); - $req = OAuthRequest::from_request(); - return $req; - } - - # Throws an OAuthException if anything goes wrong - - function validate_request(&$req) { - # OAuth stuff -- have to copy from OAuth.php since they're - # all private methods, and there's no user-authentication method - common_debug('checking version', __FILE__); - $this->check_version($req); - common_debug('getting datastore', __FILE__); - $datastore = omb_oauth_datastore(); - common_debug('getting consumer', __FILE__); - $consumer = $this->get_consumer($datastore, $req); - common_debug('getting token', __FILE__); - $token = $this->get_token($datastore, $req, $consumer); - common_debug('checking timestamp', __FILE__); - $this->check_timestamp($req); - common_debug('checking nonce', __FILE__); - $this->check_nonce($datastore, $req, $consumer, $token); - common_debug('checking signature', __FILE__); - $this->check_signature($req, $consumer, $token); - common_debug('validating omb stuff', __FILE__); - $this->validate_omb($req); - common_debug('done validating', __FILE__); - return true; - } - - function validate_omb(&$req) { - foreach (array('omb_version', 'omb_listener', 'omb_listenee', - 'omb_listenee_profile', 'omb_listenee_nickname', - 'omb_listenee_license') as $param) - { - if (!$req->get_parameter($param)) { - throw new OAuthException("Required parameter '$param' not found"); - } - } - # Now, OMB stuff - $version = $req->get_parameter('omb_version'); - if ($version != OMB_VERSION_01) { - throw new OAuthException("OpenMicroBlogging version '$version' not supported"); - } - $listener = $req->get_parameter('omb_listener'); - $user = User::staticGet('uri', $listener); - if (!$user) { - throw new OAuthException("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 = $req->get_parameter('omb_listenee'); - if (!Validate::uri($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"); - } - - $other = User::staticGet('uri', $listenee); - if ($other) { - throw new OAuthException("Listenee URI '$listenee' is local user"); - } - - $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 OAuthException("Already subscribed to user!"); - } - } - $nickname = $req->get_parameter('omb_listenee_nickname'); - if (!Validate::string($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 = $req->get_parameter('omb_listenee_profile'); - if (!common_valid_http_url($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."); - } - - $license = $req->get_parameter('omb_listenee_license'); - if (!common_valid_http_url($license)) { - throw new OAuthException("Invalid license URL '$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 = $req->get_parameter('omb_listenee_fullname'); - if ($fullname && strlen($fullname) > 255) { - throw new OAuthException("Full name '$fullname' too long."); - } - $homepage = $req->get_parameter('omb_listenee_homepage'); - if ($homepage && (!common_valid_http_url($homepage) || strlen($homepage) > 255)) { - throw new OAuthException("Invalid homepage '$homepage'"); - } - $bio = $req->get_parameter('omb_listenee_bio'); - if ($bio && strlen($bio) > 140) { - throw new OAuthException("Bio too long '$bio'"); - } - $location = $req->get_parameter('omb_listenee_location'); - if ($location && strlen($location) > 255) { - throw new OAuthException("Location too long '$location'"); - } - $avatar = $req->get_parameter('omb_listenee_avatar'); - if ($avatar) { - if (!common_valid_http_url($avatar) || strlen($avatar) > 255) { - throw new OAuthException("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'"); - } - if (!in_array($size[2], array(IMAGETYPE_GIF, IMAGETYPE_JPEG, - IMAGETYPE_PNG))) { - throw new OAuthException("Wrong image type for '$avatar'"); - } - } - $callback = $req->get_parameter('oauth_callback'); - if ($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."); - } - } - - # Snagged from OAuthServer - - function check_version(&$req) { - $version = $req->get_parameter("oauth_version"); - if (!$version) { - $version = 1.0; - } - if ($version != 1.0) { - throw new OAuthException("OAuth version '$version' not supported"); - } - return $version; - } - - # Snagged from OAuthServer - - function get_consumer($datastore, $req) { - $consumer_key = @$req->get_parameter("oauth_consumer_key"); - if (!$consumer_key) { - throw new OAuthException("Invalid consumer key"); - } - - $consumer = $datastore->lookup_consumer($consumer_key); - if (!$consumer) { - throw new OAuthException("Invalid consumer"); - } - return $consumer; - } - - # Mostly cadged from OAuthServer - - function get_token($datastore, &$req, $consumer) {/*{{{*/ - $token_field = @$req->get_parameter('oauth_token'); - $token = $datastore->lookup_token($consumer, 'request', $token_field); - if (!$token) { - throw new OAuthException("Invalid $token_type token: $token_field"); - } - return $token; - } - - function check_timestamp(&$req) { - $timestamp = @$req->get_parameter('oauth_timestamp'); - $now = time(); - if ($now - $timestamp > TIMESTAMP_THRESHOLD) { - throw new OAuthException("Expired timestamp, yours $timestamp, ours $now"); - } - } - - # NOTE: don't call twice on the same request; will fail! - function check_nonce(&$datastore, &$req, $consumer, $token) { - $timestamp = @$req->get_parameter('oauth_timestamp'); - $nonce = @$req->get_parameter('oauth_nonce'); - $found = $datastore->lookup_nonce($consumer, $token, $nonce, $timestamp); - if ($found) { - throw new OAuthException("Nonce already used"); - } - return true; - } - - function check_signature(&$req, $consumer, $token) { - $signature_method = $this->get_signature_method($req); - $signature = $req->get_parameter('oauth_signature'); - $valid_sig = $signature_method->check_signature($req, - $consumer, - $token, - $signature); - if (!$valid_sig) { - throw new OAuthException("Invalid signature"); - } - } - - function get_signature_method(&$req) { - $signature_method = @$req->get_parameter("oauth_signature_method"); - if (!$signature_method) { - $signature_method = "PLAINTEXT"; - } - if ($signature_method != 'HMAC-SHA1') { - throw new OAuthException("Signature method '$signature_method' not supported."); - } - return omb_hmac_sha1(); - } + function handle($args) { + parent::handle($args); + + if ($_SERVER['REQUEST_METHOD'] == 'POST') { + # CSRF protection + $token = $this->trimmed('token'); + if (!$token || $token != common_session_token()) { + $req = $this->get_stored_request(); + $this->show_form(_('There was a problem with your session token. Try again, please.'), $req); + return; + } + # We've shown the form, now post user's choice + $this->send_authorization(); + } else { + if (!common_logged_in()) { + # Go log in, and then come back + common_debug('saving URL for returnto', __FILE__); + common_set_returnto($_SERVER['REQUEST_URI']); + + common_debug('redirecting to login', __FILE__); + common_redirect(common_local_url('login')); + return; + } + try { + # this must be a new request + common_debug('getting new request', __FILE__); + $req = $this->get_new_request(); + if (!$req) { + $this->client_error(_('No request found!')); + } + common_debug('validating request', __FILE__); + # XXX: only validate new requests, since nonce is one-time use + $this->validate_request($req); + common_debug('showing form', __FILE__); + $this->store_request($req); + $this->show_form($req); + } catch (OAuthException $e) { + $this->clear_request(); + $this->client_error($e->getMessage()); + return; + } + + } + } + + function show_form($req) { + + $nickname = $req->get_parameter('omb_listenee_nickname'); + $profile = $req->get_parameter('omb_listenee_profile'); + $license = $req->get_parameter('omb_listenee_license'); + $fullname = $req->get_parameter('omb_listenee_fullname'); + $homepage = $req->get_parameter('omb_listenee_homepage'); + $bio = $req->get_parameter('omb_listenee_bio'); + $location = $req->get_parameter('omb_listenee_location'); + $avatar = $req->get_parameter('omb_listenee_avatar'); + + common_show_header(_('Authorize subscription')); + common_element('p', NULL, _('Please check these details to make sure '. + 'that you want to subscribe to this user\'s notices. '. + 'If you didn\'t just ask to subscribe to someone\'s notices, '. + 'click "Cancel".')); + common_element_start('div', 'profile'); + if ($avatar) { + common_element('img', array('src' => $avatar, + 'class' => 'avatar profile', + 'width' => AVATAR_PROFILE_SIZE, + 'height' => AVATAR_PROFILE_SIZE, + 'alt' => $nickname)); + } + common_element('a', array('href' => $profile, + 'class' => 'external profile nickname'), + $nickname); + if ($fullname) { + common_element_start('div', 'fullname'); + if ($homepage) { + common_element('a', array('href' => $homepage), + $fullname); + } else { + common_text($fullname); + } + common_element_end('div'); + } + if ($location) { + common_element('div', 'location', $location); + } + if ($bio) { + common_element('div', 'bio', $bio); + } + common_element_start('div', 'license'); + common_element('a', array('href' => $license, + 'class' => 'license'), + $license); + common_element_end('div'); + common_element_end('div'); + common_element_start('form', array('method' => 'post', + 'id' => 'userauthorization', + 'name' => 'userauthorization', + 'action' => common_local_url('userauthorization'))); + common_hidden('token', common_session_token()); + common_submit('accept', _('Accept')); + common_submit('reject', _('Reject')); + common_element_end('form'); + common_show_footer(); + } + + function send_authorization() { + $req = $this->get_stored_request(); + + if (!$req) { + common_user_error(_('No authorization request!')); + return; + } + + $callback = $req->get_parameter('oauth_callback'); + + if ($this->arg('accept')) { + if (!$this->authorize_token($req)) { + $this->client_error(_('Error authorizing token')); + } + if (!$this->save_remote_profile($req)) { + $this->client_error(_('Error saving remote profile')); + } + if (!$callback) { + $this->show_accept_message($req->get_parameter('oauth_token')); + } else { + $params = array(); + $params['oauth_token'] = $req->get_parameter('oauth_token'); + $params['omb_version'] = OMB_VERSION_01; + $user = User::staticGet('uri', $req->get_parameter('omb_listener')); + $profile = $user->getProfile(); + if (!$profile) { + common_log_db_error($user, 'SELECT', __FILE__); + $this->server_error(_('User without matching profile')); + return; + } + $params['omb_listener_nickname'] = $user->nickname; + $params['omb_listener_profile'] = common_local_url('showstream', + array('nickname' => $user->nickname)); + if ($profile->fullname) { + $params['omb_listener_fullname'] = $profile->fullname; + } + if ($profile->homepage) { + $params['omb_listener_homepage'] = $profile->homepage; + } + if ($profile->bio) { + $params['omb_listener_bio'] = $profile->bio; + } + if ($profile->location) { + $params['omb_listener_location'] = $profile->location; + } + $avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE); + if ($avatar) { + $params['omb_listener_avatar'] = $avatar->url; + } + $parts = array(); + foreach ($params as $k => $v) { + $parts[] = $k . '=' . OAuthUtil::urlencodeRFC3986($v); + } + $query_string = implode('&', $parts); + $parsed = parse_url($callback); + $url = $callback . (($parsed['query']) ? '&' : '?') . $query_string; + common_redirect($url, 303); + } + } else { + if (!$callback) { + $this->show_reject_message(); + } else { + # XXX: not 100% sure how to signal failure... just redirect without token? + common_redirect($callback, 303); + } + } + } + + function authorize_token(&$req) { + $consumer_key = $req->get_parameter('oauth_consumer_key'); + $token_field = $req->get_parameter('oauth_token'); + common_debug('consumer key = "'.$consumer_key.'"', __FILE__); + common_debug('token field = "'.$token_field.'"', __FILE__); + $rt = new Token(); + $rt->consumer_key = $consumer_key; + $rt->tok = $token_field; + $rt->type = 0; + $rt->state = 0; + common_debug('request token to look up: "'.print_r($rt,TRUE).'"'); + if ($rt->find(true)) { + common_debug('found request token to authorize', __FILE__); + $orig_rt = clone($rt); + $rt->state = 1; # Authorized but not used + if ($rt->update($orig_rt)) { + common_debug('updated request token so it is authorized', __FILE__); + return true; + } + } + return FALSE; + } + + # XXX: refactor with similar code in finishremotesubscribe.php + + function save_remote_profile(&$req) { + # 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 = $req->get_parameter('omb_listenee_nickname'); + $fullname = $req->get_parameter('omb_listenee_fullname'); + $profile_url = $req->get_parameter('omb_listenee_profile'); + $homepage = $req->get_parameter('omb_listenee_homepage'); + $bio = $req->get_parameter('omb_listenee_bio'); + $location = $req->get_parameter('omb_listenee_location'); + $avatar_url = $req->get_parameter('omb_listenee_avatar'); + + $listenee = $req->get_parameter('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 = $profile_url; + + if ($fullname) { + $profile->fullname = $fullname; + } + if ($homepage) { + $profile->homepage = $homepage; + } + if ($bio) { + $profile->bio = $bio; + } + if ($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 = $id; + } + + if ($exists) { + if (!$remote->update($orig_remote)) { + return FALSE; + } + } else { + $remote->created = DB_DataObject_Cast::dateTime(); # current time + if (!$remote->insert()) { + return FALSE; + } + } + + if ($avatar_url) { + if (!$this->add_avatar($profile, $avatar_url)) { + return FALSE; + } + } + + $user = common_current_user(); + $datastore = omb_oauth_datastore(); + $consumer = $this->get_consumer($datastore, $req); + $token = $this->get_token($datastore, $req, $consumer); + + $sub = new Subscription(); + $sub->subscriber = $user->id; + $sub->subscribed = $remote->id; + $sub->token = $token->key; # NOTE: request token, not valid for use! + $sub->created = DB_DataObject_Cast::dateTime(); # current time + + if (!$sub->insert()) { + return FALSE; + } + + return TRUE; + } + + function add_avatar($profile, $url) { + $temp_filename = tempnam(sys_get_temp_dir(), 'listenee_avatar'); + copy($url, $temp_filename); + return $profile->setOriginal($temp_filename); + } + + function show_accept_message($tok) { + common_show_header(_('Subscription authorized')); + common_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:')); + common_element('blockquote', 'token', $tok); + common_show_footer(); + } + + function show_reject_message($tok) { + common_show_header(_('Subscription rejected')); + common_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 store_request($req) { + common_ensure_session(); + $_SESSION['userauthorizationrequest'] = $req; + } + + function clear_request() { + common_ensure_session(); + unset($_SESSION['userauthorizationrequest']); + } + + function get_stored_request() { + common_ensure_session(); + $req = $_SESSION['userauthorizationrequest']; + return $req; + } + + function get_new_request() { + common_remove_magic_from_request(); + $req = OAuthRequest::from_request(); + return $req; + } + + # Throws an OAuthException if anything goes wrong + + function validate_request(&$req) { + # OAuth stuff -- have to copy from OAuth.php since they're + # all private methods, and there's no user-authentication method + common_debug('checking version', __FILE__); + $this->check_version($req); + common_debug('getting datastore', __FILE__); + $datastore = omb_oauth_datastore(); + common_debug('getting consumer', __FILE__); + $consumer = $this->get_consumer($datastore, $req); + common_debug('getting token', __FILE__); + $token = $this->get_token($datastore, $req, $consumer); + common_debug('checking timestamp', __FILE__); + $this->check_timestamp($req); + common_debug('checking nonce', __FILE__); + $this->check_nonce($datastore, $req, $consumer, $token); + common_debug('checking signature', __FILE__); + $this->check_signature($req, $consumer, $token); + common_debug('validating omb stuff', __FILE__); + $this->validate_omb($req); + common_debug('done validating', __FILE__); + return true; + } + + function validate_omb(&$req) { + foreach (array('omb_version', 'omb_listener', 'omb_listenee', + 'omb_listenee_profile', 'omb_listenee_nickname', + 'omb_listenee_license') as $param) + { + if (!$req->get_parameter($param)) { + throw new OAuthException("Required parameter '$param' not found"); + } + } + # Now, OMB stuff + $version = $req->get_parameter('omb_version'); + if ($version != OMB_VERSION_01) { + throw new OAuthException("OpenMicroBlogging version '$version' not supported"); + } + $listener = $req->get_parameter('omb_listener'); + $user = User::staticGet('uri', $listener); + if (!$user) { + throw new OAuthException("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 = $req->get_parameter('omb_listenee'); + if (!Validate::uri($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"); + } + + $other = User::staticGet('uri', $listenee); + if ($other) { + throw new OAuthException("Listenee URI '$listenee' is local user"); + } + + $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 OAuthException("Already subscribed to user!"); + } + } + $nickname = $req->get_parameter('omb_listenee_nickname'); + if (!Validate::string($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 = $req->get_parameter('omb_listenee_profile'); + if (!common_valid_http_url($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."); + } + + $license = $req->get_parameter('omb_listenee_license'); + if (!common_valid_http_url($license)) { + throw new OAuthException("Invalid license URL '$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 = $req->get_parameter('omb_listenee_fullname'); + if ($fullname && strlen($fullname) > 255) { + throw new OAuthException("Full name '$fullname' too long."); + } + $homepage = $req->get_parameter('omb_listenee_homepage'); + if ($homepage && (!common_valid_http_url($homepage) || strlen($homepage) > 255)) { + throw new OAuthException("Invalid homepage '$homepage'"); + } + $bio = $req->get_parameter('omb_listenee_bio'); + if ($bio && strlen($bio) > 140) { + throw new OAuthException("Bio too long '$bio'"); + } + $location = $req->get_parameter('omb_listenee_location'); + if ($location && strlen($location) > 255) { + throw new OAuthException("Location too long '$location'"); + } + $avatar = $req->get_parameter('omb_listenee_avatar'); + if ($avatar) { + if (!common_valid_http_url($avatar) || strlen($avatar) > 255) { + throw new OAuthException("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'"); + } + if (!in_array($size[2], array(IMAGETYPE_GIF, IMAGETYPE_JPEG, + IMAGETYPE_PNG))) { + throw new OAuthException("Wrong image type for '$avatar'"); + } + } + $callback = $req->get_parameter('oauth_callback'); + if ($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."); + } + } + + # Snagged from OAuthServer + + function check_version(&$req) { + $version = $req->get_parameter("oauth_version"); + if (!$version) { + $version = 1.0; + } + if ($version != 1.0) { + throw new OAuthException("OAuth version '$version' not supported"); + } + return $version; + } + + # Snagged from OAuthServer + + function get_consumer($datastore, $req) { + $consumer_key = @$req->get_parameter("oauth_consumer_key"); + if (!$consumer_key) { + throw new OAuthException("Invalid consumer key"); + } + + $consumer = $datastore->lookup_consumer($consumer_key); + if (!$consumer) { + throw new OAuthException("Invalid consumer"); + } + return $consumer; + } + + # Mostly cadged from OAuthServer + + function get_token($datastore, &$req, $consumer) {/*{{{*/ + $token_field = @$req->get_parameter('oauth_token'); + $token = $datastore->lookup_token($consumer, 'request', $token_field); + if (!$token) { + throw new OAuthException("Invalid $token_type token: $token_field"); + } + return $token; + } + + function check_timestamp(&$req) { + $timestamp = @$req->get_parameter('oauth_timestamp'); + $now = time(); + if ($now - $timestamp > TIMESTAMP_THRESHOLD) { + throw new OAuthException("Expired timestamp, yours $timestamp, ours $now"); + } + } + + # NOTE: don't call twice on the same request; will fail! + function check_nonce(&$datastore, &$req, $consumer, $token) { + $timestamp = @$req->get_parameter('oauth_timestamp'); + $nonce = @$req->get_parameter('oauth_nonce'); + $found = $datastore->lookup_nonce($consumer, $token, $nonce, $timestamp); + if ($found) { + throw new OAuthException("Nonce already used"); + } + return true; + } + + function check_signature(&$req, $consumer, $token) { + $signature_method = $this->get_signature_method($req); + $signature = $req->get_parameter('oauth_signature'); + $valid_sig = $signature_method->check_signature($req, + $consumer, + $token, + $signature); + if (!$valid_sig) { + throw new OAuthException("Invalid signature"); + } + } + + function get_signature_method(&$req) { + $signature_method = @$req->get_parameter("oauth_signature_method"); + if (!$signature_method) { + $signature_method = "PLAINTEXT"; + } + if ($signature_method != 'HMAC-SHA1') { + throw new OAuthException("Signature method '$signature_method' not supported."); + } + return omb_hmac_sha1(); + } } |