if (!defined('LACONICA')) { exit(1); }
require_once(INSTALLDIR.'/lib/omb.php');
-require_once('Auth/Yadis/Yadis.php');
class RemotesubscribeAction extends Action {
-
+
function handle($args) {
-
+
parent::handle($args);
if (common_logged_in()) {
function show_form($err=NULL) {
$nickname = $this->trimmed('nickname');
+ $profile = $this->trimmed('profile_url');
common_show_header(_t('Remote subscribe'));
if ($err) {
common_element('div', 'error', $err);
}
common_element_start('form', array('id' => 'remotesubscribe', 'method' => 'POST',
'action' => common_local_url('remotesubscribe')));
- common_input('nickname', _t('User nickname'), $nickname);
- common_input('profile', _t('Profile URL'));
+ common_input('nickname', _t('User nickname'), $nickname,
+ _t('Nickname of the user you want to follow'));
+ common_input('profile_url', _t('Profile URL'), $profile,
+ _t('URL of your profile on another compatible microblogging service'));
common_submit('submit', _t('Subscribe'));
common_element_end('form');
common_show_footer();
}
-
+
function remote_subscription() {
$user = $this->get_user();
-
+
if (!$user) {
$this->show_form(_t('No such user!'));
return;
}
-
- $profile = $this->trimmed('profile');
-
+
+ $profile = $this->trimmed('profile_url');
+
if (!$profile) {
$this->show_form(_t('No such user!'));
return;
}
-
+
if (!Validate::uri($profile, array('allowed_schemes' => array('http', 'https')))) {
$this->show_form(_t('Invalid profile URL (bad format)'));
return;
}
-
+
$fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
$yadis = Auth_Yadis_Yadis::discover($profile, $fetcher);
- common_debug('remotesubscribe.php: XRDS discovery failure? "'.$yadis->failed.'"');
-
if (!$yadis || $yadis->failed) {
$this->show_form(_t('Not a valid profile URL (no YADIS document).'));
return;
$this->show_form(_t('Not a valid profile URL (no XRDS defined).'));
return;
}
-
- common_debug('remotesubscribe.php: XRDS is "'.print_r($xrds,TRUE).'"');
$omb = $this->getOmb($xrds);
-
+
if (!$omb) {
$this->show_form(_t('Not a valid profile URL (incorrect services).'));
return;
}
-
+
list($token, $secret) = $this->request_token($omb);
-
+
if (!$token || !$secret) {
$this->show_form(_t('Couldn\'t get a request token.'));
return;
}
-
+
$this->request_authorization($user, $omb, $token, $secret);
}
-
+
function get_user() {
$user = NULL;
$nickname = $this->trimmed('nickname');
}
function getOmb($xrds) {
-
+
static $omb_endpoints = array(OMB_ENDPOINT_UPDATEPROFILE, OMB_ENDPOINT_POSTNOTICE);
static $oauth_endpoints = array(OAUTH_ENDPOINT_REQUEST, OAUTH_ENDPOINT_AUTHORIZE,
OAUTH_ENDPOINT_ACCESS);
$omb = array();
# XXX: the following code could probably be refactored to eliminate dupes
-
- common_debug('remotesubscribe.php - looking for oauth discovery service');
-
- $oauth_services = $xrds->services(omb_service_filter(OAUTH_DISCOVERY));
-
+
+ $oauth_services = omb_get_services($xrds, OAUTH_DISCOVERY);
+
if (!$oauth_services) {
- common_debug('remotesubscribe.php - failed to find oauth discovery service');
return NULL;
}
$oauth_service = $oauth_services[0];
-
- common_debug('remotesubscribe.php - looking for oauth discovery XRD');
-
- $xrd = $this->getXRD($oauth_service, $xrds);
-
- if (!$xrd) {
- common_debug('remotesubscribe.php - failed to find oauth discovery XRD');
+
+ $oauth_xrd = $this->getXRD($oauth_service, $xrds);
+
+ if (!$oauth_xrd) {
return NULL;
}
-
- common_debug('remotesubscribe.php - adding OAuth services from XRD');
-
- if (!$this->addServices($xrd, $oauth_endpoints, $omb)) {
- common_debug('remotesubscribe.php - failed to add OAuth services');
+
+ if (!$this->addServices($oauth_xrd, $oauth_endpoints, $omb)) {
return NULL;
}
- common_debug('remotesubscribe.php - looking for OMB discovery service');
-
- $omb_services = $xrds->services(omb_service_filter(OMB_NAMESPACE));
+ $omb_services = omb_get_services($xrds, OMB_NAMESPACE);
if (!$omb_services) {
- common_debug('remotesubscribe.php - failed to find OMB discovery service');
return NULL;
}
$omb_service = $omb_services[0];
-
- common_debug('remotesubscribe.php - looking for OMB discovery XRD');
-
- $xrd = $this->getXRD($omb_service, $xrds);
- if (!$xrd) {
- common_debug('remotesubscribe.php - failed to find OMB discovery XRD');
+ $omb_xrd = $this->getXRD($omb_service, $xrds);
+
+ if (!$omb_xrd) {
return NULL;
}
-
- common_debug('remotesubscribe.php - adding OMB services from XRD');
-
- if (!$this->addServices($xrd, $omb_endpoints, $omb)) {
- common_debug('remotesubscribe.php - failed to add OMB services');
+
+ if (!$this->addServices($omb_xrd, $omb_endpoints, $omb)) {
return NULL;
}
-
+
# XXX: check that we got all the services we needed
-
+
foreach (array_merge($omb_endpoints, $oauth_endpoints) as $type) {
- if (!array_key_exists($type, $omb)) {
+ if (!array_key_exists($type, $omb) || !$omb[$type]) {
return NULL;
}
}
-
+
if (!omb_local_id($omb[OAUTH_ENDPOINT_REQUEST])) {
return NULL;
}
-
+
return $omb;
}
$attrs = $parser->attributes($node);
if (array_key_exists('xml:id', $attrs) &&
$attrs['xml:id'] == $id) {
- return new Auth_Yadis_XRDS($parser, array($node));
+ # XXX: trick the constructor into thinking this is the only node
+ $bogus_nodes = array($node);
+ return new Auth_Yadis_XRDS($parser, $bogus_nodes);
}
}
return NULL;
function addServices($xrd, $types, &$omb) {
foreach ($types as $type) {
- $matches = $xrd->services(omb_service_filter($type));
+ $matches = omb_get_services($xrd, $type);
if ($matches) {
- $omb[$type] = $services[0];
+ $omb[$type] = $matches[0];
} else {
# no match for type
return false;
}
return true;
}
-
+
function request_token($omb) {
$con = omb_oauth_consumer();
$url = omb_service_uri($omb[OAUTH_ENDPOINT_REQUEST]);
-
+
# XXX: Is this the right thing to do? Strip off GET params and make them
# POST params? Seems wrong to me.
-
+
$parsed = parse_url($url);
$params = array();
parse_str($parsed['query'], $params);
$req = OAuthRequest::from_consumer_and_token($con, NULL, "POST", $url, $params);
$listener = omb_local_id($omb[OAUTH_ENDPOINT_REQUEST]);
-
+
if (!$listener) {
return NULL;
}
-
+
$req->set_parameter('omb_listener', $listener);
$req->set_parameter('omb_version', OMB_VERSION_01);
-
+
# XXX: test to see if endpoint accepts this signature method
$req->sign_request(omb_hmac_sha1(), $con, NULL);
-
+
# We re-use this tool's fetcher, since it's pretty good
-
+
$fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
+
$result = $fetcher->post($req->get_normalized_http_url(),
$req->to_postdata());
-
+
if ($result->status != 200) {
return NULL;
}
parse_str($result->body, $return);
-
+
return array($return['oauth_token'], $return['oauth_token_secret']);
}
-
+
function request_authorization($user, $omb, $token, $secret) {
global $config; # for license URL
-
+
$con = omb_oauth_consumer();
$tok = new OAuthToken($token, $secret);
-
+
$url = omb_service_uri($omb[OAUTH_ENDPOINT_AUTHORIZE]);
-
+
# XXX: Is this the right thing to do? Strip off GET params and make them
# POST params? Seems wrong to me.
-
+
$parsed = parse_url($url);
$params = array();
parse_str($parsed['query'], $params);
$req = OAuthRequest::from_consumer_and_token($con, $tok, 'GET', $url, $params);
-
+
# We send over a ton of information. This lets the other
# server store info about our user, and it lets the current
# user decide if they really want to authorize the subscription.
-
+
$req->set_parameter('omb_version', OMB_VERSION_01);
$req->set_parameter('omb_listener', omb_local_id($omb[OAUTH_ENDPOINT_REQUEST]));
$req->set_parameter('omb_listenee', $user->uri);
$req->set_parameter('omb_listenee_avatar', $avatar->url);
}
- $nonce = $this->make_nonce();
+ # XXX: add a nonce to prevent replay attacks
- $req->set_parameter('oauth_callback', common_local_url('finishremotesubscribe',
- array('nonce' => $nonce)));
-
+ $req->set_parameter('oauth_callback', common_local_url('finishremotesubscribe'));
+
# XXX: test to see if endpoint accepts this signature method
$req->sign_request(omb_hmac_sha1(), $con, $tok);
-
+
# store all our info here
$omb['listenee'] = $user->nickname;
+ $omb['listener'] = omb_local_id($omb[OAUTH_ENDPOINT_REQUEST]);
$omb['token'] = $token;
$omb['secret'] = $secret;
-
- $_SESSION[$nonce] = $omb;
-
+ # call doesn't work after bounce back so we cache; maybe serialization issue...?
+ $omb['access_token_url'] = omb_service_uri($omb[OAUTH_ENDPOINT_ACCESS]);
+ $omb['post_notice_url'] = omb_service_uri($omb[OMB_ENDPOINT_POSTNOTICE]);
+ $omb['update_profile_url'] = omb_service_uri($omb[OMB_ENDPOINT_UPDATEPROFILE]);
+
+ $_SESSION['oauth_authorization_request'] = $omb;
+
# Redirect to authorization service
-
+
common_redirect($req->to_url());
return;
}
+
+ function make_nonce() {
+ return common_good_rand(16);
+ }
}
\ No newline at end of file
projects / quix0rs-gnu-social.git / blobdiff