From: Hypolite Petovan Date: Sun, 28 Jan 2018 19:33:47 +0000 (-0500) Subject: Move StatusNet addon dependencies in own library subfolder X-Git-Url: https://git.mxchange.org/?p=friendica-addons.git;a=commitdiff_plain;h=429448786d52475085e2266ae07add8dce5d9b4c Move StatusNet addon dependencies in own library subfolder - Move CodebirdSN to library/codebirdsn.php - Move StatusNetOAuth class to library/statusnetoauth.php - Copy TwitterOAuth to library/twitteroauth.php - Copy OAuth1 to library/OAuth1.php --- diff --git a/statusnet/codebird.php b/statusnet/codebird.php deleted file mode 100644 index cba5f936..00000000 --- a/statusnet/codebird.php +++ /dev/null @@ -1,1057 +0,0 @@ - - * @copyright 2010-2013 J.M. - * - * Modified for statusnet by Michael Vogel - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -/** - * Define constants - */ -$constants = explode(' ', 'OBJECT ARRAY JSON'); -foreach ($constants as $i => $id) { - $id = 'CODEBIRD_RETURNFORMAT_' . $id; - defined($id) or define($id, $i); -} -$constants = array( - 'CURLE_SSL_CERTPROBLEM' => 58, - 'CURLE_SSL_CACERT' => 60, - 'CURLE_SSL_CACERT_BADFILE' => 77, - 'CURLE_SSL_CRL_BADFILE' => 82, - 'CURLE_SSL_ISSUER_ERROR' => 83 -); -foreach ($constants as $id => $i) { - defined($id) or define($id, $i); -} -unset($constants); -unset($i); -unset($id); - -/** - * A Twitter library in PHP. - * - * @package codebird - * @subpackage codebird-php - */ -class CodebirdSN -{ - /** - * The current singleton instance - */ - private static $_instance = null; - - /** - * The OAuth consumer key of your registered app - */ - protected static $_oauth_consumer_key = null; - - /** - * The corresponding consumer secret - */ - protected static $_oauth_consumer_secret = null; - - /** - * The app-only bearer token. Used to authorize app-only requests - */ - protected static $_oauth_bearer_token = null; - - /** - * The API endpoint to use - */ - protected static $_endpoint = 'https://api.twitter.com/1.1/'; - - /** - * The API endpoint to use for OAuth requests - */ - protected static $_endpoint_oauth = 'https://api.twitter.com/'; - - /** - * The Request or access token. Used to sign requests - */ - protected $_oauth_token = null; - - /** - * The corresponding request or access token secret - */ - protected $_oauth_token_secret = null; - - /** - * The format of data to return from API calls - */ - protected $_return_format = CODEBIRD_RETURNFORMAT_OBJECT; - - /** - * The file formats that Twitter accepts as image uploads - */ - protected $_supported_media_files = array(IMAGETYPE_GIF, IMAGETYPE_JPEG, IMAGETYPE_PNG); - - /** - * The current Codebird version - */ - protected $_version = '2.4.1'; - - /** - * Returns singleton class instance - * Always use this method unless you're working with multiple authenticated users at once - * - * @return Codebird The instance - */ - public static function getInstance() - { - if (self::$_instance == null) { - self::$_instance = new self; - } - return self::$_instance; - } - - /** - * Sets the API endpoint - * - * @param string $api API endpoint - * - * @return void - */ - public static function setAPIEndpoint($api) - { - self::$_endpoint_oauth = $api; - self::$_endpoint = $api; - } - - /** - * Sets the OAuth consumer key and secret (App key) - * - * @param string $key OAuth consumer key - * @param string $secret OAuth consumer secret - * - * @return void - */ - public static function setConsumerKey($key, $secret) - { - self::$_oauth_consumer_key = $key; - self::$_oauth_consumer_secret = $secret; - } - - /** - * Sets the OAuth2 app-only auth bearer token - * - * @param string $token OAuth2 bearer token - * - * @return void - */ - public static function setBearerToken($token) - { - self::$_oauth_bearer_token = $token; - } - - /** - * Gets the current Codebird version - * - * @return string The version number - */ - public function getVersion() - { - return $this->_version; - } - - /** - * Sets the OAuth request or access token and secret (User key) - * - * @param string $token OAuth request or access token - * @param string $secret OAuth request or access token secret - * - * @return void - */ - public function setToken($token, $secret) - { - $this->_oauth_token = $token; - $this->_oauth_token_secret = $secret; - } - - /** - * Sets the format for API replies - * - * @param int $return_format One of these: - * CODEBIRD_RETURNFORMAT_OBJECT (default) - * CODEBIRD_RETURNFORMAT_ARRAY - * - * @return void - */ - public function setReturnFormat($return_format) - { - $this->_return_format = $return_format; - } - - /** - * Main API handler working on any requests you issue - * - * @param string $fn The member function you called - * @param array $params The parameters you sent along - * - * @return mixed The API reply encoded in the set return_format - */ - - public function __call($fn, $params) - { - // parse parameters - $apiparams = array(); - if (count($params) > 0) { - if (is_array($params[0])) { - $apiparams = $params[0]; - } else { - parse_str($params[0], $apiparams); - // remove auto-added slashes if on magic quotes steroids - if (get_magic_quotes_gpc()) { - foreach($apiparams as $key => $value) { - if (is_array($value)) { - $apiparams[$key] = array_map('stripslashes', $value); - } else { - $apiparams[$key] = stripslashes($value); - } - } - } - } - } - - // stringify null and boolean parameters - foreach ($apiparams as $key => $value) { - if (! is_scalar($value)) { - continue; - } - if (is_null($value)) { - $apiparams[$key] = 'null'; - } elseif (is_bool($value)) { - $apiparams[$key] = $value ? 'true' : 'false'; - } - } - - $app_only_auth = false; - if (count($params) > 1) { - $app_only_auth = !! $params[1]; - } - - // map function name to API method - $method = ''; - - // replace _ by / - $path = explode('_', $fn); - for ($i = 0; $i < count($path); $i++) { - if ($i > 0) { - $method .= '/'; - } - $method .= $path[$i]; - } - // undo replacement for URL parameters - $url_parameters_with_underscore = array('screen_name'); - foreach ($url_parameters_with_underscore as $param) { - $param = strtoupper($param); - $replacement_was = str_replace('_', '/', $param); - $method = str_replace($replacement_was, $param, $method); - } - - // replace AA by URL parameters - $method_template = $method; - $match = array(); - if (preg_match('/[A-Z_]{2,}/', $method, $match)) { - foreach ($match as $param) { - $param_l = strtolower($param); - $method_template = str_replace($param, ':' . $param_l, $method_template); - if (!isset($apiparams[$param_l])) { - for ($i = 0; $i < 26; $i++) { - $method_template = str_replace(chr(65 + $i), '_' . chr(97 + $i), $method_template); - } - throw new \Exception( - 'To call the templated method "' . $method_template - . '", specify the parameter value for "' . $param_l . '".' - ); - } - $method = str_replace($param, $apiparams[$param_l], $method); - unset($apiparams[$param_l]); - } - } - - // replace A-Z by _a-z - for ($i = 0; $i < 26; $i++) { - $method = str_replace(chr(65 + $i), '_' . chr(97 + $i), $method); - $method_template = str_replace(chr(65 + $i), '_' . chr(97 + $i), $method_template); - } - - $httpmethod = $this->_detectMethod($method_template, $apiparams); - $multipart = $this->_detectMultipart($method_template); - return $this->_callApi( - $httpmethod, - $method, - $method_template, - $apiparams, - $multipart, - $app_only_auth - ); - } - - /** - * Uncommon API methods - */ - - /** - * Gets the OAuth authenticate URL for the current request token - * - * @return string The OAuth authenticate URL - */ - public function oauth_authenticate($force_login = NULL, $screen_name = NULL) - { - if ($this->_oauth_token == null) { - throw new \Exception('To get the authenticate URL, the OAuth token must be set.'); - } - $url = self::$_endpoint_oauth . 'oauth/authenticate?oauth_token=' . $this->_url($this->_oauth_token); - if ($force_login) { - $url .= "&force_login=1"; - } - if ($screen_name) { - $url .= "&screen_name=" . $screen_name; - } - return $url; - } - - /** - * Gets the OAuth authorize URL for the current request token - * - * @return string The OAuth authorize URL - */ - public function oauth_authorize($force_login = NULL, $screen_name = NULL) - { - if ($this->_oauth_token == null) { - throw new \Exception('To get the authorize URL, the OAuth token must be set.'); - } - $url = self::$_endpoint_oauth . 'oauth/authorize?oauth_token=' . $this->_url($this->_oauth_token); - if ($force_login) { - $url .= "&force_login=1"; - } - if ($screen_name) { - $url .= "&screen_name=" . $screen_name; - } - return $url; - } - - /** - * Gets the OAuth bearer token - * - * @return string The OAuth bearer token - */ - - public function oauth2_token() - { - if (! function_exists('curl_init')) { - throw new \Exception('To make API requests, the PHP curl extension must be available.'); - } - if (self::$_oauth_consumer_key == null) { - throw new \Exception('To obtain a bearer token, the consumer key must be set.'); - } - $ch = false; - $post_fields = array( - 'grant_type' => 'client_credentials' - ); - $url = self::$_endpoint_oauth . 'oauth2/token'; - $ch = curl_init($url); - curl_setopt($ch, CURLOPT_POST, 1); - curl_setopt($ch, CURLOPT_POSTFIELDS, $post_fields); - curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); - curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0); - curl_setopt($ch, CURLOPT_HEADER, 1); - curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1); - curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); - //curl_setopt($ch, CURLOPT_CAINFO, __DIR__ . '/cacert.pem'); - - curl_setopt($ch, CURLOPT_USERPWD, self::$_oauth_consumer_key . ':' . self::$_oauth_consumer_secret); - curl_setopt($ch, CURLOPT_HTTPHEADER, array( - 'Expect:' - )); - $reply = curl_exec($ch); - - // certificate validation results - //$validation_result = curl_errno($ch); - //if (in_array( - // $validation_result, - // array( - // CURLE_SSL_CERTPROBLEM, - // CURLE_SSL_CACERT, - // CURLE_SSL_CACERT_BADFILE, - // CURLE_SSL_CRL_BADFILE, - // CURLE_SSL_ISSUER_ERROR - // ) - // ) - //) { - // throw new \Exception('Error ' . $validation_result . ' while validating the Twitter API certificate.'); - //} - - $httpstatus = curl_getinfo($ch, CURLINFO_HTTP_CODE); - $reply = $this->_parseApiReply('oauth2/token', $reply); - switch ($this->_return_format) { - case CODEBIRD_RETURNFORMAT_ARRAY: - $reply['httpstatus'] = $httpstatus; - if ($httpstatus == 200) { - self::setBearerToken($reply['access_token']); - } - break; - case CODEBIRD_RETURNFORMAT_JSON: - if ($httpstatus == 200) { - $parsed = json_decode($reply); - self::setBearerToken($parsed->access_token); - } - break; - case CODEBIRD_RETURNFORMAT_OBJECT: - $reply->httpstatus = $httpstatus; - if ($httpstatus == 200) { - self::setBearerToken($reply->access_token); - } - break; - } - return $reply; - } - - /** - * Signing helpers - */ - - /** - * URL-encodes the given data - * - * @param mixed $data - * - * @return mixed The encoded data - */ - private function _url($data) - { - if (is_array($data)) { - return array_map(array( - $this, - '_url' - ), $data); - } elseif (is_scalar($data)) { - return str_replace(array( - '+', - '!', - '*', - "'", - '(', - ')' - ), array( - ' ', - '%21', - '%2A', - '%27', - '%28', - '%29' - ), rawurlencode($data)); - } else { - return ''; - } - } - - /** - * Gets the base64-encoded SHA1 hash for the given data - * - * @param string $data The data to calculate the hash from - * - * @return string The hash - */ - private function _sha1($data) - { - if (self::$_oauth_consumer_secret == null) { - throw new \Exception('To generate a hash, the consumer secret must be set.'); - } - if (!function_exists('hash_hmac')) { - throw new \Exception('To generate a hash, the PHP hash extension must be available.'); - } - return base64_encode(hash_hmac('sha1', $data, self::$_oauth_consumer_secret . '&' - . ($this->_oauth_token_secret != null ? $this->_oauth_token_secret : ''), true)); - } - - /** - * Generates a (hopefully) unique random string - * - * @param int optional $length The length of the string to generate - * - * @return string The random string - */ - protected function _nonce($length = 8) - { - if ($length < 1) { - throw new \Exception('Invalid nonce length.'); - } - return substr(md5(microtime(true)), 0, $length); - } - - /** - * Generates an OAuth signature - * - * @param string $httpmethod Usually either 'GET' or 'POST' or 'DELETE' - * @param string $method The API method to call - * @param array optional $params The API call parameters, associative - * - * @return string Authorization HTTP header - */ - protected function _sign($httpmethod, $method, $params = array()) - { - if (self::$_oauth_consumer_key == null) { - throw new \Exception('To generate a signature, the consumer key must be set.'); - } - $sign_params = array( - 'consumer_key' => self::$_oauth_consumer_key, - 'version' => '1.0', - 'timestamp' => time(), - 'nonce' => $this->_nonce(), - 'signature_method' => 'HMAC-SHA1' - ); - $sign_base_params = array(); - foreach ($sign_params as $key => $value) { - $sign_base_params['oauth_' . $key] = $this->_url($value); - } - if ($this->_oauth_token != null) { - $sign_base_params['oauth_token'] = $this->_url($this->_oauth_token); - } - $oauth_params = $sign_base_params; - foreach ($params as $key => $value) { - $sign_base_params[$key] = $this->_url($value); - } - ksort($sign_base_params); - $sign_base_string = ''; - foreach ($sign_base_params as $key => $value) { - $sign_base_string .= $key . '=' . $value . '&'; - } - $sign_base_string = substr($sign_base_string, 0, -1); - $signature = $this->_sha1($httpmethod . '&' . $this->_url($method) . '&' . $this->_url($sign_base_string)); - - $params = array_merge($oauth_params, array( - 'oauth_signature' => $signature - )); - ksort($params); - $authorization = 'Authorization: OAuth '; - foreach ($params as $key => $value) { - $authorization .= $key . '="' . $this->_url($value) . '", '; - } - return substr($authorization, 0, -2); - } - - /** - * Detects HTTP method to use for API call - * - * @param string $method The API method to call - * @param array $params The parameters to send along - * - * @return string The HTTP method that should be used - */ - protected function _detectMethod($method, $params) - { - // multi-HTTP method endpoints - switch($method) { - case 'account/settings': - $method = count($params) > 0 ? $method . '__post' : $method; - break; - } - - $httpmethods = array(); - $httpmethods['GET'] = array( - // Timelines - 'statuses/mentions_timeline', - 'statuses/user_timeline', - 'statuses/home_timeline', - 'statuses/retweets_of_me', - - // Tweets - 'statuses/retweets/:id', - 'statuses/show/:id', - 'statuses/oembed', - - // Search - 'search/tweets', - - // Direct Messages - 'direct_messages', - 'direct_messages/sent', - 'direct_messages/show', - - // Friends & Followers - 'friendships/no_retweets/ids', - 'friends/ids', - 'followers/ids', - 'friendships/lookup', - 'friendships/incoming', - 'friendships/outgoing', - 'friendships/show', - 'friends/list', - 'followers/list', - - // Users - 'account/settings', - 'account/verify_credentials', - 'blocks/list', - 'blocks/ids', - 'users/lookup', - 'users/show', - 'users/search', - 'users/contributees', - 'users/contributors', - 'users/profile_banner', - - // Suggested Users - 'users/suggestions/:slug', - 'users/suggestions', - 'users/suggestions/:slug/members', - - // Favorites - 'favorites/list', - - // Lists - 'lists/list', - 'lists/statuses', - 'lists/memberships', - 'lists/subscribers', - 'lists/subscribers/show', - 'lists/members/show', - 'lists/members', - 'lists/show', - 'lists/subscriptions', - - // Saved searches - 'saved_searches/list', - 'saved_searches/show/:id', - - // Places & Geo - 'geo/id/:place_id', - 'geo/reverse_geocode', - 'geo/search', - 'geo/similar_places', - - // Trends - 'trends/place', - 'trends/available', - 'trends/closest', - - // OAuth - 'oauth/authenticate', - 'oauth/authorize', - - // Help - 'help/configuration', - 'help/languages', - 'help/privacy', - 'help/tos', - 'application/rate_limit_status' - ); - $httpmethods['POST'] = array( - // Tweets - 'statuses/destroy/:id', - 'statuses/update', - 'statuses/retweet/:id', - 'statuses/update_with_media', - - // Media resources - 'statusnet/media/upload', - - // Direct Messages - 'direct_messages/destroy', - 'direct_messages/new', - - // Friends & Followers - 'friendships/create', - 'friendships/destroy', - 'friendships/update', - - // Users - 'account/settings__post', - 'account/update_delivery_device', - 'account/update_profile', - 'account/update_profile_background_image', - 'account/update_profile_colors', - 'account/update_profile_image', - 'blocks/create', - 'blocks/destroy', - 'account/update_profile_banner', - 'account/remove_profile_banner', - - // Favorites - 'favorites/destroy', - 'favorites/create', - - // Lists - 'lists/members/destroy', - 'lists/subscribers/create', - 'lists/subscribers/destroy', - 'lists/members/create_all', - 'lists/members/create', - 'lists/destroy', - 'lists/update', - 'lists/create', - 'lists/members/destroy_all', - - // Saved Searches - 'saved_searches/create', - 'saved_searches/destroy/:id', - - // Places & Geo - 'geo/place', - - // Spam Reporting - 'users/report_spam', - - // OAuth - 'oauth/access_token', - 'oauth/request_token', - 'oauth2/token', - 'oauth2/invalidate_token' - ); - foreach ($httpmethods as $httpmethod => $methods) { - if (in_array($method, $methods)) { - return $httpmethod; - } - } - throw new \Exception('Can\'t find HTTP method to use for "' . $method . '".'); - } - - /** - * Detects if API call should use multipart/form-data - * - * @param string $method The API method to call - * - * @return bool Whether the method should be sent as multipart - */ - protected function _detectMultipart($method) - { - $multiparts = array( - // Tweets - 'statuses/update', - 'statuses/update_with_media', - - // Media ressources - 'statusnet/media/upload', - - // Users - 'account/update_profile_background_image', - 'account/update_profile_image', - 'account/update_profile_banner' - ); - return in_array($method, $multiparts); - } - - /** - * Detect filenames in upload parameters, - * build multipart request from upload params - * - * @param string $method The API method to call - * @param array $params The parameters to send along - * - * @return void - */ - protected function _buildMultipart($method, $params) - { - // well, files will only work in multipart methods - if (! $this->_detectMultipart($method)) { - return; - } - - // only check specific parameters - $possible_files = array( - // Tweets - 'statuses/update' => 'media[]', - 'statuses/update_with_media' => 'media[]', - // Accounts - 'account/update_profile_background_image' => 'image', - 'account/update_profile_image' => 'image', - 'account/update_profile_banner' => 'banner' - ); - // method might have files? - if (! in_array($method, array_keys($possible_files))) { - return; - } - - $possible_files = explode(' ', $possible_files[$method]); - - $multipart_border = '--------------------' . $this->_nonce(); - $multipart_request = ''; - foreach ($params as $key => $value) { - // is it an array? - if (is_array($value)) { - throw new \Exception('Using URL-encoded parameters is not supported for uploading media.'); - continue; - } - - // check for filenames - if (in_array($key, $possible_files)) { - if (// is it a file, a readable one? - @file_exists($value) - && @is_readable($value) - - // is it a valid image? - && $data = @getimagesize($value) - ) { - if (// is it a supported image format? - in_array($data[2], $this->_supported_media_files) - ) { - // try to read the file - ob_start(); - readfile($value); - $data = ob_get_contents(); - ob_end_clean(); - if (strlen($data) == 0) { - continue; - } - $value = $data; - } - } - - // To-Do - $tempfile = tempnam(get_temppath(), "mimecheck"); - file_put_contents($tempfile, $data); - $mime = image_type_to_mime_type(exif_imagetype($tempfile)); - unlink($tempfile); - $filename = "upload"; - $parametername = str_replace("[]", "", $key); - - $multipart_request .= "--".$multipart_border."\n"; - $multipart_request .= "Content-Disposition: form-data; name=\"{$parametername}\"; filename=\"{$filename}\"\n"; - $multipart_request .= "Content-Type: ".$mime."\n"; - $multipart_request .= "Content-Transfer-Encoding: binary\n\n"; - $multipart_request .= $data."\n"; - } else { - - $multipart_request .= - '--' . $multipart_border . "\r\n" - . 'Content-Disposition: form-data; name="' . $key . '"'; - - $multipart_request .= - "\r\n\r\n" . $value . "\r\n"; - } - } - $multipart_request .= '--' . $multipart_border . '--'; - - return $multipart_request; - } - - - /** - * Builds the complete API endpoint url - * - * @param string $method The API method to call - * @param string $method_template The API method template to call - * - * @return string The URL to send the request to - */ - protected function _getEndpoint($method, $method_template) - { - if (substr($method, 0, 5) == 'oauth') { - $url = self::$_endpoint_oauth . $method; - } else { - $url = self::$_endpoint . $method . '.json'; - } - return $url; - } - - /** - * Calls the API using cURL - * - * @param string $httpmethod The HTTP method to use for making the request - * @param string $method The API method to call - * @param string $method_template The templated API method to call - * @param array optional $params The parameters to send along - * @param bool optional $multipart Whether to use multipart/form-data - * @param bool optional $app_only_auth Whether to use app-only bearer authentication - * - * @return mixed The API reply, encoded in the set return_format - */ - - protected function _callApi($httpmethod, $method, $method_template, $params = array(), $multipart = false, $app_only_auth = false) - { - if (! function_exists('curl_init')) { - throw new \Exception('To make API requests, the PHP curl extension must be available.'); - } - $url = $this->_getEndpoint($method, $method_template); - $ch = false; - if ($httpmethod == 'GET') { - $url_with_params = $url; - if (count($params) > 0) { - $url_with_params .= '?' . http_build_query($params); - } - $authorization = $this->_sign($httpmethod, $url, $params); - $ch = curl_init($url_with_params); - } else { - if ($multipart) { - $authorization = $this->_sign($httpmethod, $url, array()); - $params = $this->_buildMultipart($method_template, $params); - } else { - $authorization = $this->_sign($httpmethod, $url, $params); - $params = http_build_query($params); - } - $ch = curl_init($url); - curl_setopt($ch, CURLOPT_POST, 1); - curl_setopt($ch, CURLOPT_POSTFIELDS, $params); - } - if ($app_only_auth) { - if (self::$_oauth_consumer_key == null) { - throw new \Exception('To make an app-only auth API request, the consumer key must be set.'); - } - // automatically fetch bearer token, if necessary - if (self::$_oauth_bearer_token == null) { - $this->oauth2_token(); - } - $authorization = 'Authorization: Bearer ' . self::$_oauth_bearer_token; - } - $request_headers = array(); - if (isset($authorization)) { - $request_headers[] = $authorization; - $request_headers[] = 'Expect:'; - } - if ($multipart) { - $first_newline = strpos($params, "\r\n"); - $multipart_boundary = substr($params, 2, $first_newline - 2); - $request_headers[] = 'Content-Length: ' . strlen($params); - $request_headers[] = 'Content-Type: multipart/form-data; boundary=' - . $multipart_boundary; - } - - curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); - curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0); - curl_setopt($ch, CURLOPT_HEADER, 1); - curl_setopt($ch, CURLOPT_HTTPHEADER, $request_headers); - curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1); - curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); - //curl_setopt($ch, CURLOPT_CAINFO, __DIR__ . '/cacert.pem'); - - $reply = curl_exec($ch); - - // certificate validation results - //$validation_result = curl_errno($ch); - //if (in_array( - // $validation_result, - // array( - // CURLE_SSL_CERTPROBLEM, - // CURLE_SSL_CACERT, - // CURLE_SSL_CACERT_BADFILE, - // CURLE_SSL_CRL_BADFILE, - // CURLE_SSL_ISSUER_ERROR - // ) - // ) - //) { - // throw new \Exception('Error ' . $validation_result . ' while validating the Twitter API certificate.'); - //} - - $httpstatus = curl_getinfo($ch, CURLINFO_HTTP_CODE); - $reply = $this->_parseApiReply($method_template, $reply); - if ($this->_return_format == CODEBIRD_RETURNFORMAT_OBJECT) { - $reply->httpstatus = $httpstatus; - } elseif ($this->_return_format == CODEBIRD_RETURNFORMAT_ARRAY) { - $reply['httpstatus'] = $httpstatus; - } - return $reply; - } - - /** - * Parses the API reply to encode it in the set return_format - * - * @param string $method The method that has been called - * @param string $reply The actual reply, JSON-encoded or URL-encoded - * - * @return array|object The parsed reply - */ - protected function _parseApiReply($method, $reply) - { - // split headers and body - $headers = array(); - $reply = explode("\r\n\r\n", $reply, 4); - - // check if using proxy - if (substr($reply[0], 0, 35) === 'HTTP/1.1 200 Connection Established') { - array_shift($reply); - } elseif (count($reply) > 2) { - $headers = array_shift($reply); - $reply = array( - $headers, - implode("\r\n", $reply) - ); - } - - $headers_array = explode("\r\n", $reply[0]); - foreach ($headers_array as $header) { - $header_array = explode(': ', $header, 2); - $key = $header_array[0]; - $value = ''; - if (count($header_array) > 1) { - $value = $header_array[1]; - } - $headers[$key] = $value; - } - if (count($reply) > 1) { - $reply = $reply[1]; - } else { - $reply = ''; - } - - $need_array = $this->_return_format == CODEBIRD_RETURNFORMAT_ARRAY; - if ($reply == '[]') { - switch ($this->_return_format) { - case CODEBIRD_RETURNFORMAT_ARRAY: - return array(); - case CODEBIRD_RETURNFORMAT_JSON: - return '{}'; - case CODEBIRD_RETURNFORMAT_OBJECT: - return new \stdClass; - } - } - $parsed = array(); - if (! $parsed = json_decode($reply, $need_array)) { - if ($reply) { - if (stripos($reply, '<' . '?xml version="1.0" encoding="UTF-8"?' . '>') === 0) { - // we received XML... - // since this only happens for errors, - // don't perform a full decoding - preg_match('/(.*)<\/request>/', $reply, $request); - preg_match('/(.*)<\/error>/', $reply, $error); - $parsed['request'] = htmlspecialchars_decode($request[1]); - $parsed['error'] = htmlspecialchars_decode($error[1]); - } else { - // assume query format - $reply = explode('&', $reply); - foreach ($reply as $element) { - if (stristr($element, '=')) { - list($key, $value) = explode('=', $element); - $parsed[$key] = $value; - } else { - $parsed['message'] = $element; - } - } - } - } - $reply = json_encode($parsed); - } - switch ($this->_return_format) { - case CODEBIRD_RETURNFORMAT_ARRAY: - return $parsed; - case CODEBIRD_RETURNFORMAT_JSON: - return $reply; - case CODEBIRD_RETURNFORMAT_OBJECT: - return (object) $parsed; - } - return $parsed; - } -} - -?> diff --git a/statusnet/library/OAuth1.php b/statusnet/library/OAuth1.php new file mode 100644 index 00000000..57481f5d --- /dev/null +++ b/statusnet/library/OAuth1.php @@ -0,0 +1,891 @@ +key = $key; + $this->secret = $secret; + $this->callback_url = $callback_url; + } + + function __toString() { + return "OAuthConsumer[key=$this->key,secret=$this->secret]"; + } + } + + class OAuthToken { + // access tokens and request tokens + public $key; + public $secret; + + public $expires; + public $scope; + public $uid; + + /** + * key = the token + * secret = the token secret + */ + function __construct($key, $secret) { + $this->key = $key; + $this->secret = $secret; + } + + /** + * generates the basic string serialization of a token that a server + * would respond to request_token and access_token calls with + */ + function to_string() { + return "oauth_token=" . + OAuthUtil::urlencode_rfc3986($this->key) . + "&oauth_token_secret=" . + OAuthUtil::urlencode_rfc3986($this->secret); + } + + function __toString() { + return $this->to_string(); + } + } + + /** + * A class for implementing a Signature Method + * See section 9 ("Signing Requests") in the spec + */ + abstract class OAuthSignatureMethod { + /** + * Needs to return the name of the Signature Method (ie HMAC-SHA1) + * @return string + */ + abstract public function get_name(); + + /** + * Build up the signature + * NOTE: The output of this function MUST NOT be urlencoded. + * the encoding is handled in OAuthRequest when the final + * request is serialized + * @param OAuthRequest $request + * @param OAuthConsumer $consumer + * @param OAuthToken $token + * @return string + */ + abstract public function build_signature($request, $consumer, $token); + + /** + * Verifies that a given signature is correct + * @param OAuthRequest $request + * @param OAuthConsumer $consumer + * @param OAuthToken $token + * @param string $signature + * @return bool + */ + public function check_signature($request, $consumer, $token, $signature) { + $built = $this->build_signature($request, $consumer, $token); + //echo "
"; var_dump($signature, $built, ($built == $signature)); killme();
+		return ($built == $signature);
+	  }
+	}
+
+	/**
+	 * The HMAC-SHA1 signature method uses the HMAC-SHA1 signature algorithm as defined in [RFC2104]
+	 * where the Signature Base String is the text and the key is the concatenated values (each first
+	 * encoded per Parameter Encoding) of the Consumer Secret and Token Secret, separated by an '&'
+	 * character (ASCII code 38) even if empty.
+	 *   - Chapter 9.2 ("HMAC-SHA1")
+	 */
+	class OAuthSignatureMethod_HMAC_SHA1 extends OAuthSignatureMethod {
+	  function get_name() {
+		return "HMAC-SHA1";
+	  }
+
+	  public function build_signature($request, $consumer, $token) {
+		$base_string = $request->get_signature_base_string();
+		$request->base_string = $base_string;
+
+		$key_parts = array(
+		  $consumer->secret,
+		  ($token) ? $token->secret : ""
+		);
+
+		$key_parts = OAuthUtil::urlencode_rfc3986($key_parts);
+		$key = implode('&', $key_parts);
+
+
+		$r = base64_encode(hash_hmac('sha1', $base_string, $key, true));
+		return $r;
+	  }
+	}
+
+	/**
+	 * The PLAINTEXT method does not provide any security protection and SHOULD only be used
+	 * over a secure channel such as HTTPS. It does not use the Signature Base String.
+	 *   - Chapter 9.4 ("PLAINTEXT")
+	 */
+	class OAuthSignatureMethod_PLAINTEXT extends OAuthSignatureMethod {
+	  public function get_name() {
+		return "PLAINTEXT";
+	  }
+
+	  /**
+	   * oauth_signature is set to the concatenated encoded values of the Consumer Secret and
+	   * Token Secret, separated by a '&' character (ASCII code 38), even if either secret is
+	   * empty. The result MUST be encoded again.
+	   *   - Chapter 9.4.1 ("Generating Signatures")
+	   *
+	   * Please note that the second encoding MUST NOT happen in the SignatureMethod, as
+	   * OAuthRequest handles this!
+	   */
+	  public function build_signature($request, $consumer, $token) {
+		$key_parts = array(
+		  $consumer->secret,
+		  ($token) ? $token->secret : ""
+		);
+
+		$key_parts = OAuthUtil::urlencode_rfc3986($key_parts);
+		$key = implode('&', $key_parts);
+		$request->base_string = $key;
+
+		return $key;
+	  }
+	}
+
+	/**
+	 * The RSA-SHA1 signature method uses the RSASSA-PKCS1-v1_5 signature algorithm as defined in
+	 * [RFC3447] section 8.2 (more simply known as PKCS#1), using SHA-1 as the hash function for
+	 * EMSA-PKCS1-v1_5. It is assumed that the Consumer has provided its RSA public key in a
+	 * verified way to the Service Provider, in a manner which is beyond the scope of this
+	 * specification.
+	 *   - Chapter 9.3 ("RSA-SHA1")
+	 */
+	abstract class OAuthSignatureMethod_RSA_SHA1 extends OAuthSignatureMethod {
+	  public function get_name() {
+		return "RSA-SHA1";
+	  }
+
+	  // Up to the SP to implement this lookup of keys. Possible ideas are:
+	  // (1) do a lookup in a table of trusted certs keyed off of consumer
+	  // (2) fetch via http using a url provided by the requester
+	  // (3) some sort of specific discovery code based on request
+	  //
+	  // Either way should return a string representation of the certificate
+	  protected abstract function fetch_public_cert(&$request);
+
+	  // Up to the SP to implement this lookup of keys. Possible ideas are:
+	  // (1) do a lookup in a table of trusted certs keyed off of consumer
+	  //
+	  // Either way should return a string representation of the certificate
+	  protected abstract function fetch_private_cert(&$request);
+
+	  public function build_signature($request, $consumer, $token) {
+		$base_string = $request->get_signature_base_string();
+		$request->base_string = $base_string;
+
+		// Fetch the private key cert based on the request
+		$cert = $this->fetch_private_cert($request);
+
+		// Pull the private key ID from the certificate
+		$privatekeyid = openssl_get_privatekey($cert);
+
+		// Sign using the key
+		$ok = openssl_sign($base_string, $signature, $privatekeyid);
+
+		// Release the key resource
+		openssl_free_key($privatekeyid);
+
+		return base64_encode($signature);
+	  }
+
+	  public function check_signature($request, $consumer, $token, $signature) {
+		$decoded_sig = base64_decode($signature);
+
+		$base_string = $request->get_signature_base_string();
+
+		// Fetch the public key cert based on the request
+		$cert = $this->fetch_public_cert($request);
+
+		// Pull the public key ID from the certificate
+		$publickeyid = openssl_get_publickey($cert);
+
+		// Check the computed signature against the one passed in the query
+		$ok = openssl_verify($base_string, $decoded_sig, $publickeyid);
+
+		// Release the key resource
+		openssl_free_key($publickeyid);
+
+		return $ok == 1;
+	  }
+	}
+
+	class OAuthRequest {
+	  private $parameters;
+	  private $http_method;
+	  private $http_url;
+	  // for debug purposes
+	  public $base_string;
+	  public static $version = '1.0';
+	  public static $POST_INPUT = 'php://input';
+
+	  function __construct($http_method, $http_url, $parameters=NULL) {
+		@$parameters or $parameters = array();
+		$parameters = array_merge( OAuthUtil::parse_parameters(parse_url($http_url, PHP_URL_QUERY)), $parameters);
+		$this->parameters = $parameters;
+		$this->http_method = $http_method;
+		$this->http_url = $http_url;
+	  }
+
+
+	  /**
+	   * attempt to build up a request from what was passed to the server
+	   */
+	  public static function from_request($http_method=NULL, $http_url=NULL, $parameters=NULL) {
+		$scheme = (!isset($_SERVER['HTTPS']) || $_SERVER['HTTPS'] != "on")
+				  ? 'http'
+				  : 'https';
+		@$http_url or $http_url = $scheme .
+								  '://' . $_SERVER['HTTP_HOST'] .
+								  ':' .
+								  $_SERVER['SERVER_PORT'] .
+								  $_SERVER['REQUEST_URI'];
+		@$http_method or $http_method = $_SERVER['REQUEST_METHOD'];
+
+		// We weren't handed any parameters, so let's find the ones relevant to
+		// this request.
+		// If you run XML-RPC or similar you should use this to provide your own
+		// parsed parameter-list
+		if (!$parameters) {
+		  // Find request headers
+		  $request_headers = OAuthUtil::get_headers();
+
+		  // Parse the query-string to find GET parameters
+		  $parameters = OAuthUtil::parse_parameters($_SERVER['QUERY_STRING']);
+
+		  // It's a POST request of the proper content-type, so parse POST
+		  // parameters and add those overriding any duplicates from GET
+		  if ($http_method == "POST"
+			  && @strstr($request_headers["Content-Type"],
+						 "application/x-www-form-urlencoded")
+			  ) {
+			$post_data = OAuthUtil::parse_parameters(
+			  file_get_contents(self::$POST_INPUT)
+			);
+			$parameters = array_merge($parameters, $post_data);
+		  }
+
+		  // We have a Authorization-header with OAuth data. Parse the header
+		  // and add those overriding any duplicates from GET or POST
+		  if (@substr($request_headers['Authorization'], 0, 6) == "OAuth ") {
+			$header_parameters = OAuthUtil::split_header(
+			  $request_headers['Authorization']
+			);
+			$parameters = array_merge($parameters, $header_parameters);
+		  }
+
+		}
+		// fix for friendica redirect system
+
+		$http_url =  substr($http_url, 0, strpos($http_url,$parameters['pagename'])+strlen($parameters['pagename']));
+		unset( $parameters['pagename'] );
+
+		//echo "
".__function__."\n"; var_dump($http_method, $http_url, $parameters, $_SERVER['REQUEST_URI']); killme();
+		return new OAuthRequest($http_method, $http_url, $parameters);
+	  }
+
+	  /**
+	   * pretty much a helper function to set up the request
+	   */
+	  public static function from_consumer_and_token($consumer, $token, $http_method, $http_url, $parameters=NULL) {
+		@$parameters or $parameters = array();
+		$defaults = array("oauth_version" => OAuthRequest::$version,
+						  "oauth_nonce" => OAuthRequest::generate_nonce(),
+						  "oauth_timestamp" => OAuthRequest::generate_timestamp(),
+						  "oauth_consumer_key" => $consumer->key);
+		if ($token)
+		  $defaults['oauth_token'] = $token->key;
+
+		$parameters = array_merge($defaults, $parameters);
+
+		return new OAuthRequest($http_method, $http_url, $parameters);
+	  }
+
+	  public function set_parameter($name, $value, $allow_duplicates = true) {
+		if ($allow_duplicates && isset($this->parameters[$name])) {
+		  // We have already added parameter(s) with this name, so add to the list
+		  if (is_scalar($this->parameters[$name])) {
+			// This is the first duplicate, so transform scalar (string)
+			// into an array so we can add the duplicates
+			$this->parameters[$name] = array($this->parameters[$name]);
+		  }
+
+		  $this->parameters[$name][] = $value;
+		} else {
+		  $this->parameters[$name] = $value;
+		}
+	  }
+
+	  public function get_parameter($name) {
+		return isset($this->parameters[$name]) ? $this->parameters[$name] : null;
+	  }
+
+	  public function get_parameters() {
+		return $this->parameters;
+	  }
+
+	  public function unset_parameter($name) {
+		unset($this->parameters[$name]);
+	  }
+
+	  /**
+	   * The request parameters, sorted and concatenated into a normalized string.
+	   * @return string
+	   */
+	  public function get_signable_parameters() {
+		// Grab all parameters
+		$params = $this->parameters;
+
+		// Remove oauth_signature if present
+		// Ref: Spec: 9.1.1 ("The oauth_signature parameter MUST be excluded.")
+		if (isset($params['oauth_signature'])) {
+		  unset($params['oauth_signature']);
+		}
+
+		return OAuthUtil::build_http_query($params);
+	  }
+
+	  /**
+	   * Returns the base string of this request
+	   *
+	   * The base string defined as the method, the url
+	   * and the parameters (normalized), each urlencoded
+	   * and the concated with &.
+	   */
+	  public function get_signature_base_string() {
+		$parts = array(
+		  $this->get_normalized_http_method(),
+		  $this->get_normalized_http_url(),
+		  $this->get_signable_parameters()
+		);
+
+		$parts = OAuthUtil::urlencode_rfc3986($parts);
+
+		return implode('&', $parts);
+	  }
+
+	  /**
+	   * just uppercases the http method
+	   */
+	  public function get_normalized_http_method() {
+		return strtoupper($this->http_method);
+	  }
+
+	  /**
+	   * parses the url and rebuilds it to be
+	   * scheme://host/path
+	   */
+	  public function get_normalized_http_url() {
+		$parts = parse_url($this->http_url);
+
+		$port = @$parts['port'];
+		$scheme = $parts['scheme'];
+		$host = $parts['host'];
+		$path = @$parts['path'];
+
+		$port or $port = ($scheme == 'https') ? '443' : '80';
+
+		if (($scheme == 'https' && $port != '443')
+			|| ($scheme == 'http' && $port != '80')) {
+		  $host = "$host:$port";
+		}
+		return "$scheme://$host$path";
+	  }
+
+	  /**
+	   * builds a url usable for a GET request
+	   */
+	  public function to_url() {
+		$post_data = $this->to_postdata();
+		$out = $this->get_normalized_http_url();
+		if ($post_data) {
+		  $out .= '?'.$post_data;
+		}
+		return $out;
+	  }
+
+	  /**
+	   * builds the data one would send in a POST request
+	   */
+	  public function to_postdata($raw = false) {
+		if ($raw)
+		  return($this->parameters);
+		else
+		  return OAuthUtil::build_http_query($this->parameters);
+	  }
+
+	  /**
+	   * builds the Authorization: header
+	   */
+	  public function to_header($realm=null) {
+		$first = true;
+		if($realm) {
+		  $out = 'Authorization: OAuth realm="' . OAuthUtil::urlencode_rfc3986($realm) . '"';
+		  $first = false;
+		} else
+		  $out = 'Authorization: OAuth';
+
+		$total = array();
+		foreach ($this->parameters as $k => $v) {
+		  if (substr($k, 0, 5) != "oauth") continue;
+		  if (is_array($v)) {
+			throw new OAuthException('Arrays not supported in headers');
+		  }
+		  $out .= ($first) ? ' ' : ',';
+		  $out .= OAuthUtil::urlencode_rfc3986($k) .
+				  '="' .
+				  OAuthUtil::urlencode_rfc3986($v) .
+				  '"';
+		  $first = false;
+		}
+		return $out;
+	  }
+
+	  public function __toString() {
+		return $this->to_url();
+	  }
+
+
+	  public function sign_request($signature_method, $consumer, $token) {
+		$this->set_parameter(
+		  "oauth_signature_method",
+		  $signature_method->get_name(),
+		  false
+		);
+		$signature = $this->build_signature($signature_method, $consumer, $token);
+		$this->set_parameter("oauth_signature", $signature, false);
+	  }
+
+	  public function build_signature($signature_method, $consumer, $token) {
+		$signature = $signature_method->build_signature($this, $consumer, $token);
+		return $signature;
+	  }
+
+	  /**
+	   * util function: current timestamp
+	   */
+	  private static function generate_timestamp() {
+		return time();
+	  }
+
+	  /**
+	   * util function: current nonce
+	   */
+	  private static function generate_nonce() {
+		$mt = microtime();
+		$rand = mt_rand();
+
+		return md5($mt . $rand); // md5s look nicer than numbers
+	  }
+	}
+
+	class OAuthServer {
+	  protected $timestamp_threshold = 300; // in seconds, five minutes
+	  protected $version = '1.0';             // hi blaine
+	  protected $signature_methods = array();
+
+	  protected $data_store;
+
+	  function __construct($data_store) {
+		$this->data_store = $data_store;
+	  }
+
+	  public function add_signature_method($signature_method) {
+		$this->signature_methods[$signature_method->get_name()] =
+		  $signature_method;
+	  }
+
+	  // high level functions
+
+	  /**
+	   * process a request_token request
+	   * returns the request token on success
+	   */
+	  public function fetch_request_token(&$request) {
+		$this->get_version($request);
+
+		$consumer = $this->get_consumer($request);
+
+		// no token required for the initial token request
+		$token = NULL;
+
+		$this->check_signature($request, $consumer, $token);
+
+		// Rev A change
+		$callback = $request->get_parameter('oauth_callback');
+		$new_token = $this->data_store->new_request_token($consumer, $callback);
+
+		return $new_token;
+	  }
+
+	  /**
+	   * process an access_token request
+	   * returns the access token on success
+	   */
+	  public function fetch_access_token(&$request) {
+		$this->get_version($request);
+
+		$consumer = $this->get_consumer($request);
+
+		// requires authorized request token
+		$token = $this->get_token($request, $consumer, "request");
+
+		$this->check_signature($request, $consumer, $token);
+
+		// Rev A change
+		$verifier = $request->get_parameter('oauth_verifier');
+		$new_token = $this->data_store->new_access_token($token, $consumer, $verifier);
+
+		return $new_token;
+	  }
+
+	  /**
+	   * verify an api call, checks all the parameters
+	   */
+	  public function verify_request(&$request) {
+		$this->get_version($request);
+		$consumer = $this->get_consumer($request);
+		//echo __file__.__line__.__function__."
"; var_dump($consumer); die();
+		$token = $this->get_token($request, $consumer, "access");
+		$this->check_signature($request, $consumer, $token);
+		return array($consumer, $token);
+	  }
+
+	  // Internals from here
+	  /**
+	   * version 1
+	   */
+	  private function get_version(&$request) {
+		$version = $request->get_parameter("oauth_version");
+		if (!$version) {
+		  // Service Providers MUST assume the protocol version to be 1.0 if this parameter is not present.
+		  // Chapter 7.0 ("Accessing Protected Ressources")
+		  $version = '1.0';
+		}
+		if ($version !== $this->version) {
+		  throw new OAuthException("OAuth version '$version' not supported");
+		}
+		return $version;
+	  }
+
+	  /**
+	   * figure out the signature with some defaults
+	   */
+	  private function get_signature_method(&$request) {
+		$signature_method =
+			@$request->get_parameter("oauth_signature_method");
+
+		if (!$signature_method) {
+		  // According to chapter 7 ("Accessing Protected Ressources") the signature-method
+		  // parameter is required, and we can't just fallback to PLAINTEXT
+		  throw new OAuthException('No signature method parameter. This parameter is required');
+		}
+
+		if (!in_array($signature_method,
+					  array_keys($this->signature_methods))) {
+		  throw new OAuthException(
+			"Signature method '$signature_method' not supported " .
+			"try one of the following: " .
+			implode(", ", array_keys($this->signature_methods))
+		  );
+		}
+		return $this->signature_methods[$signature_method];
+	  }
+
+	  /**
+	   * try to find the consumer for the provided request's consumer key
+	   */
+	  private function get_consumer(&$request) {
+		$consumer_key = @$request->get_parameter("oauth_consumer_key");
+		if (!$consumer_key) {
+		  throw new OAuthException("Invalid consumer key");
+		}
+
+		$consumer = $this->data_store->lookup_consumer($consumer_key);
+		if (!$consumer) {
+		  throw new OAuthException("Invalid consumer");
+		}
+
+		return $consumer;
+	  }
+
+	  /**
+	   * try to find the token for the provided request's token key
+	   */
+	  private function get_token(&$request, $consumer, $token_type="access") {
+		$token_field = @$request->get_parameter('oauth_token');
+		$token = $this->data_store->lookup_token(
+		  $consumer, $token_type, $token_field
+		);
+		if (!$token) {
+		  throw new OAuthException("Invalid $token_type token: $token_field");
+		}
+		return $token;
+	  }
+
+	  /**
+	   * all-in-one function to check the signature on a request
+	   * should guess the signature method appropriately
+	   */
+	  private function check_signature(&$request, $consumer, $token) {
+		// this should probably be in a different method
+		$timestamp = @$request->get_parameter('oauth_timestamp');
+		$nonce = @$request->get_parameter('oauth_nonce');
+
+		$this->check_timestamp($timestamp);
+		$this->check_nonce($consumer, $token, $nonce, $timestamp);
+
+		$signature_method = $this->get_signature_method($request);
+
+		$signature = $request->get_parameter('oauth_signature');
+		$valid_sig = $signature_method->check_signature(
+		  $request,
+		  $consumer,
+		  $token,
+		  $signature
+		);
+
+
+		if (!$valid_sig) {
+		  throw new OAuthException("Invalid signature");
+		}
+	  }
+
+	  /**
+	   * check that the timestamp is new enough
+	   */
+	  private function check_timestamp($timestamp) {
+		if( ! $timestamp )
+		  throw new OAuthException(
+			'Missing timestamp parameter. The parameter is required'
+		  );
+
+		// verify that timestamp is recentish
+		$now = time();
+		if (abs($now - $timestamp) > $this->timestamp_threshold) {
+		  throw new OAuthException(
+			"Expired timestamp, yours $timestamp, ours $now"
+		  );
+		}
+	  }
+
+	  /**
+	   * check that the nonce is not repeated
+	   */
+	  private function check_nonce($consumer, $token, $nonce, $timestamp) {
+		if( ! $nonce )
+		  throw new OAuthException(
+			'Missing nonce parameter. The parameter is required'
+		  );
+
+		// verify that the nonce is uniqueish
+		$found = $this->data_store->lookup_nonce(
+		  $consumer,
+		  $token,
+		  $nonce,
+		  $timestamp
+		);
+		if ($found) {
+		  throw new OAuthException("Nonce already used: $nonce");
+		}
+	  }
+
+	}
+
+	class OAuthDataStore {
+	  function lookup_consumer($consumer_key) {
+		// implement me
+	  }
+
+	  function lookup_token($consumer, $token_type, $token) {
+		// implement me
+	  }
+
+	  function lookup_nonce($consumer, $token, $nonce, $timestamp) {
+		// implement me
+	  }
+
+	  function new_request_token($consumer, $callback = null) {
+		// return a new token attached to this consumer
+	  }
+
+	  function new_access_token($token, $consumer, $verifier = null) {
+		// return a new access token attached to this consumer
+		// for the user associated with this token if the request token
+		// is authorized
+		// should also invalidate the request token
+	  }
+
+	}
+
+	class OAuthUtil {
+	  public static function urlencode_rfc3986($input) {
+	  if (is_array($input)) {
+		return array_map(array('OAuthUtil', 'urlencode_rfc3986'), $input);
+	  } else if (is_scalar($input)) {
+		return str_replace(
+		  '+',
+		  ' ',
+		  str_replace('%7E', '~', rawurlencode($input))
+		);
+	  } else {
+		return '';
+	  }
+	}
+
+
+	  // This decode function isn't taking into consideration the above
+	  // modifications to the encoding process. However, this method doesn't
+	  // seem to be used anywhere so leaving it as is.
+	  public static function urldecode_rfc3986($string) {
+		return urldecode($string);
+	  }
+
+	  // Utility function for turning the Authorization: header into
+	  // parameters, has to do some unescaping
+	  // Can filter out any non-oauth parameters if needed (default behaviour)
+	  public static function split_header($header, $only_allow_oauth_parameters = true) {
+		$pattern = '/(([-_a-z]*)=("([^"]*)"|([^,]*)),?)/';
+		$offset = 0;
+		$params = array();
+		while (preg_match($pattern, $header, $matches, PREG_OFFSET_CAPTURE, $offset) > 0) {
+		  $match = $matches[0];
+		  $header_name = $matches[2][0];
+		  $header_content = (isset($matches[5])) ? $matches[5][0] : $matches[4][0];
+		  if (preg_match('/^oauth_/', $header_name) || !$only_allow_oauth_parameters) {
+			$params[$header_name] = OAuthUtil::urldecode_rfc3986($header_content);
+		  }
+		  $offset = $match[1] + strlen($match[0]);
+		}
+
+		if (isset($params['realm'])) {
+		  unset($params['realm']);
+		}
+
+		return $params;
+	  }
+
+	  // helper to try to sort out headers for people who aren't running apache
+	  public static function get_headers() {
+		if (function_exists('apache_request_headers')) {
+		  // we need this to get the actual Authorization: header
+		  // because apache tends to tell us it doesn't exist
+		  $headers = apache_request_headers();
+
+		  // sanitize the output of apache_request_headers because
+		  // we always want the keys to be Cased-Like-This and arh()
+		  // returns the headers in the same case as they are in the
+		  // request
+		  $out = array();
+		  foreach( $headers AS $key => $value ) {
+			$key = str_replace(
+				" ",
+				"-",
+				ucwords(strtolower(str_replace("-", " ", $key)))
+			  );
+			$out[$key] = $value;
+		  }
+		} else {
+		  // otherwise we don't have apache and are just going to have to hope
+		  // that $_SERVER actually contains what we need
+		  $out = array();
+		  if( isset($_SERVER['CONTENT_TYPE']) )
+			$out['Content-Type'] = $_SERVER['CONTENT_TYPE'];
+		  if( isset($_ENV['CONTENT_TYPE']) )
+			$out['Content-Type'] = $_ENV['CONTENT_TYPE'];
+
+		  foreach ($_SERVER as $key => $value) {
+			if (substr($key, 0, 5) == "HTTP_") {
+			  // this is chaos, basically it is just there to capitalize the first
+			  // letter of every word that is not an initial HTTP and strip HTTP
+			  // code from przemek
+			  $key = str_replace(
+				" ",
+				"-",
+				ucwords(strtolower(str_replace("_", " ", substr($key, 5))))
+			  );
+			  $out[$key] = $value;
+			}
+		  }
+		}
+		return $out;
+	  }
+
+	  // This function takes a input like a=b&a=c&d=e and returns the parsed
+	  // parameters like this
+	  // array('a' => array('b','c'), 'd' => 'e')
+	  public static function parse_parameters( $input ) {
+		if (!isset($input) || !$input) return array();
+
+		$pairs = explode('&', $input);
+
+		$parsed_parameters = array();
+		foreach ($pairs as $pair) {
+		  $split = explode('=', $pair, 2);
+		  $parameter = OAuthUtil::urldecode_rfc3986($split[0]);
+		  $value = isset($split[1]) ? OAuthUtil::urldecode_rfc3986($split[1]) : '';
+
+		  if (isset($parsed_parameters[$parameter])) {
+			// We have already recieved parameter(s) with this name, so add to the list
+			// of parameters with this name
+
+			if (is_scalar($parsed_parameters[$parameter])) {
+			  // This is the first duplicate, so transform scalar (string) into an array
+			  // so we can add the duplicates
+			  $parsed_parameters[$parameter] = array($parsed_parameters[$parameter]);
+			}
+
+			$parsed_parameters[$parameter][] = $value;
+		  } else {
+			$parsed_parameters[$parameter] = $value;
+		  }
+		}
+		return $parsed_parameters;
+	  }
+
+	  public static function build_http_query($params) {
+		if (!$params) return '';
+
+		// Urlencode both keys and values
+		$keys = OAuthUtil::urlencode_rfc3986(array_keys($params));
+		$values = OAuthUtil::urlencode_rfc3986(array_values($params));
+		$params = array_combine($keys, $values);
+
+		// Parameters are sorted by name, using lexicographical byte value ordering.
+		// Ref: Spec: 9.1.1 (1)
+		uksort($params, 'strcmp');
+
+		$pairs = array();
+		foreach ($params as $parameter => $value) {
+		  if (is_array($value)) {
+			// If two or more parameters share the same name, they are sorted by their value
+			// Ref: Spec: 9.1.1 (1)
+			natsort($value);
+			foreach ($value as $duplicate_value) {
+			  $pairs[] = $parameter . '=' . $duplicate_value;
+			}
+		  } else {
+			$pairs[] = $parameter . '=' . $value;
+		  }
+		}
+		// For each parameter, the name is separated from the corresponding value by an '=' character (ASCII code 61)
+		// Each name-value pair is separated by an '&' character (ASCII code 38)
+		return implode('&', $pairs);
+	  }
+	}
+}
diff --git a/statusnet/library/codebirdsn.php b/statusnet/library/codebirdsn.php
new file mode 100644
index 00000000..cba5f936
--- /dev/null
+++ b/statusnet/library/codebirdsn.php
@@ -0,0 +1,1057 @@
+
+ * @copyright 2010-2013 J.M. 
+ *
+ * Modified for statusnet by Michael Vogel 
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see .
+ */
+
+/**
+ * Define constants
+ */
+$constants = explode(' ', 'OBJECT ARRAY JSON');
+foreach ($constants as $i => $id) {
+    $id = 'CODEBIRD_RETURNFORMAT_' . $id;
+    defined($id) or define($id, $i);
+}
+$constants = array(
+    'CURLE_SSL_CERTPROBLEM' => 58,
+    'CURLE_SSL_CACERT' => 60,
+    'CURLE_SSL_CACERT_BADFILE' => 77,
+    'CURLE_SSL_CRL_BADFILE' => 82,
+    'CURLE_SSL_ISSUER_ERROR' => 83
+);
+foreach ($constants as $id => $i) {
+    defined($id) or define($id, $i);
+}
+unset($constants);
+unset($i);
+unset($id);
+
+/**
+ * A Twitter library in PHP.
+ *
+ * @package codebird
+ * @subpackage codebird-php
+ */
+class CodebirdSN
+{
+    /**
+     * The current singleton instance
+     */
+    private static $_instance = null;
+
+    /**
+     * The OAuth consumer key of your registered app
+     */
+    protected static $_oauth_consumer_key = null;
+
+    /**
+     * The corresponding consumer secret
+     */
+    protected static $_oauth_consumer_secret = null;
+
+    /**
+     * The app-only bearer token. Used to authorize app-only requests
+     */
+    protected static $_oauth_bearer_token = null;
+
+    /**
+     * The API endpoint to use
+     */
+    protected static $_endpoint = 'https://api.twitter.com/1.1/';
+
+    /**
+     * The API endpoint to use for OAuth requests
+     */
+    protected static $_endpoint_oauth = 'https://api.twitter.com/';
+
+    /**
+     * The Request or access token. Used to sign requests
+     */
+    protected $_oauth_token = null;
+
+    /**
+     * The corresponding request or access token secret
+     */
+    protected $_oauth_token_secret = null;
+
+    /**
+     * The format of data to return from API calls
+     */
+    protected $_return_format = CODEBIRD_RETURNFORMAT_OBJECT;
+
+    /**
+     * The file formats that Twitter accepts as image uploads
+     */
+    protected $_supported_media_files = array(IMAGETYPE_GIF, IMAGETYPE_JPEG, IMAGETYPE_PNG);
+
+    /**
+     * The current Codebird version
+     */
+    protected $_version = '2.4.1';
+
+    /**
+     * Returns singleton class instance
+     * Always use this method unless you're working with multiple authenticated users at once
+     *
+     * @return Codebird The instance
+     */
+    public static function getInstance()
+    {
+        if (self::$_instance == null) {
+            self::$_instance = new self;
+        }
+        return self::$_instance;
+    }
+
+    /**
+     * Sets the API endpoint
+     *
+     * @param string $api    API endpoint
+     *
+     * @return void
+     */
+    public static function setAPIEndpoint($api)
+    {
+        self::$_endpoint_oauth = $api;
+        self::$_endpoint       = $api;
+    }
+
+    /**
+     * Sets the OAuth consumer key and secret (App key)
+     *
+     * @param string $key    OAuth consumer key
+     * @param string $secret OAuth consumer secret
+     *
+     * @return void
+     */
+    public static function setConsumerKey($key, $secret)
+    {
+        self::$_oauth_consumer_key    = $key;
+        self::$_oauth_consumer_secret = $secret;
+    }
+
+    /**
+     * Sets the OAuth2 app-only auth bearer token
+     *
+     * @param string $token OAuth2 bearer token
+     *
+     * @return void
+     */
+    public static function setBearerToken($token)
+    {
+        self::$_oauth_bearer_token = $token;
+    }
+
+    /**
+     * Gets the current Codebird version
+     *
+     * @return string The version number
+     */
+    public function getVersion()
+    {
+        return $this->_version;
+    }
+
+    /**
+     * Sets the OAuth request or access token and secret (User key)
+     *
+     * @param string $token  OAuth request or access token
+     * @param string $secret OAuth request or access token secret
+     *
+     * @return void
+     */
+    public function setToken($token, $secret)
+    {
+        $this->_oauth_token        = $token;
+        $this->_oauth_token_secret = $secret;
+    }
+
+    /**
+     * Sets the format for API replies
+     *
+     * @param int $return_format One of these:
+     *                           CODEBIRD_RETURNFORMAT_OBJECT (default)
+     *                           CODEBIRD_RETURNFORMAT_ARRAY
+     *
+     * @return void
+     */
+    public function setReturnFormat($return_format)
+    {
+        $this->_return_format = $return_format;
+    }
+
+    /**
+     * Main API handler working on any requests you issue
+     *
+     * @param string $fn    The member function you called
+     * @param array $params The parameters you sent along
+     *
+     * @return mixed The API reply encoded in the set return_format
+     */
+
+    public function __call($fn, $params)
+    {
+        // parse parameters
+        $apiparams = array();
+        if (count($params) > 0) {
+            if (is_array($params[0])) {
+                $apiparams = $params[0];
+            } else {
+                parse_str($params[0], $apiparams);
+                // remove auto-added slashes if on magic quotes steroids
+                if (get_magic_quotes_gpc()) {
+                    foreach($apiparams as $key => $value) {
+                        if (is_array($value)) {
+                            $apiparams[$key] = array_map('stripslashes', $value);
+                        } else {
+                            $apiparams[$key] = stripslashes($value);
+                        }
+                    }
+                }
+            }
+        }
+
+        // stringify null and boolean parameters
+        foreach ($apiparams as $key => $value) {
+            if (! is_scalar($value)) {
+                continue;
+            }
+            if (is_null($value)) {
+                $apiparams[$key] = 'null';
+            } elseif (is_bool($value)) {
+                $apiparams[$key] = $value ? 'true' : 'false';
+            }
+        }
+
+        $app_only_auth = false;
+        if (count($params) > 1) {
+            $app_only_auth = !! $params[1];
+        }
+
+        // map function name to API method
+        $method = '';
+
+        // replace _ by /
+        $path = explode('_', $fn);
+        for ($i = 0; $i < count($path); $i++) {
+            if ($i > 0) {
+                $method .= '/';
+            }
+            $method .= $path[$i];
+        }
+        // undo replacement for URL parameters
+        $url_parameters_with_underscore = array('screen_name');
+        foreach ($url_parameters_with_underscore as $param) {
+            $param = strtoupper($param);
+            $replacement_was = str_replace('_', '/', $param);
+            $method = str_replace($replacement_was, $param, $method);
+        }
+
+        // replace AA by URL parameters
+        $method_template = $method;
+        $match   = array();
+        if (preg_match('/[A-Z_]{2,}/', $method, $match)) {
+            foreach ($match as $param) {
+                $param_l = strtolower($param);
+                $method_template = str_replace($param, ':' . $param_l, $method_template);
+                if (!isset($apiparams[$param_l])) {
+                    for ($i = 0; $i < 26; $i++) {
+                        $method_template = str_replace(chr(65 + $i), '_' . chr(97 + $i), $method_template);
+                    }
+                    throw new \Exception(
+                        'To call the templated method "' . $method_template
+                        . '", specify the parameter value for "' . $param_l . '".'
+                    );
+                }
+                $method  = str_replace($param, $apiparams[$param_l], $method);
+                unset($apiparams[$param_l]);
+            }
+        }
+
+        // replace A-Z by _a-z
+        for ($i = 0; $i < 26; $i++) {
+            $method  = str_replace(chr(65 + $i), '_' . chr(97 + $i), $method);
+            $method_template = str_replace(chr(65 + $i), '_' . chr(97 + $i), $method_template);
+        }
+
+        $httpmethod = $this->_detectMethod($method_template, $apiparams);
+        $multipart  = $this->_detectMultipart($method_template);
+        return $this->_callApi(
+            $httpmethod,
+            $method,
+            $method_template,
+            $apiparams,
+            $multipart,
+            $app_only_auth
+        );
+    }
+
+    /**
+     * Uncommon API methods
+     */
+
+    /**
+     * Gets the OAuth authenticate URL for the current request token
+     *
+     * @return string The OAuth authenticate URL
+     */
+    public function oauth_authenticate($force_login = NULL, $screen_name = NULL)
+    {
+        if ($this->_oauth_token == null) {
+            throw new \Exception('To get the authenticate URL, the OAuth token must be set.');
+        }
+        $url = self::$_endpoint_oauth . 'oauth/authenticate?oauth_token=' . $this->_url($this->_oauth_token);
+        if ($force_login) {
+            $url .= "&force_login=1";
+        }
+        if ($screen_name) {
+            $url .= "&screen_name=" . $screen_name;
+        }
+        return $url;
+    }
+
+    /**
+     * Gets the OAuth authorize URL for the current request token
+     *
+     * @return string The OAuth authorize URL
+     */
+    public function oauth_authorize($force_login = NULL, $screen_name = NULL)
+    {
+        if ($this->_oauth_token == null) {
+            throw new \Exception('To get the authorize URL, the OAuth token must be set.');
+        }
+        $url = self::$_endpoint_oauth . 'oauth/authorize?oauth_token=' . $this->_url($this->_oauth_token);
+        if ($force_login) {
+            $url .= "&force_login=1";
+        }
+        if ($screen_name) {
+            $url .= "&screen_name=" . $screen_name;
+        }
+        return $url;
+    }
+
+    /**
+     * Gets the OAuth bearer token
+     *
+     * @return string The OAuth bearer token
+     */
+
+    public function oauth2_token()
+    {
+        if (! function_exists('curl_init')) {
+            throw new \Exception('To make API requests, the PHP curl extension must be available.');
+        }
+        if (self::$_oauth_consumer_key == null) {
+            throw new \Exception('To obtain a bearer token, the consumer key must be set.');
+        }
+        $ch  = false;
+        $post_fields = array(
+            'grant_type' => 'client_credentials'
+        );
+        $url = self::$_endpoint_oauth . 'oauth2/token';
+        $ch = curl_init($url);
+        curl_setopt($ch, CURLOPT_POST, 1);
+        curl_setopt($ch, CURLOPT_POSTFIELDS, $post_fields);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0);
+        curl_setopt($ch, CURLOPT_HEADER, 1);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
+        //curl_setopt($ch, CURLOPT_CAINFO, __DIR__ . '/cacert.pem');
+
+        curl_setopt($ch, CURLOPT_USERPWD, self::$_oauth_consumer_key . ':' . self::$_oauth_consumer_secret);
+        curl_setopt($ch, CURLOPT_HTTPHEADER, array(
+            'Expect:'
+        ));
+        $reply = curl_exec($ch);
+
+        // certificate validation results
+        //$validation_result = curl_errno($ch);
+        //if (in_array(
+        //        $validation_result,
+        //        array(
+        //            CURLE_SSL_CERTPROBLEM,
+        //            CURLE_SSL_CACERT,
+        //            CURLE_SSL_CACERT_BADFILE,
+        //            CURLE_SSL_CRL_BADFILE,
+        //            CURLE_SSL_ISSUER_ERROR
+        //        )
+        //    )
+        //) {
+        //    throw new \Exception('Error ' . $validation_result . ' while validating the Twitter API certificate.');
+        //}
+
+        $httpstatus = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+        $reply = $this->_parseApiReply('oauth2/token', $reply);
+        switch ($this->_return_format) {
+            case CODEBIRD_RETURNFORMAT_ARRAY:
+                $reply['httpstatus'] = $httpstatus;
+                if ($httpstatus == 200) {
+                    self::setBearerToken($reply['access_token']);
+                }
+                break;
+            case CODEBIRD_RETURNFORMAT_JSON:
+                if ($httpstatus == 200) {
+                    $parsed = json_decode($reply);
+                    self::setBearerToken($parsed->access_token);
+                }
+                break;
+            case CODEBIRD_RETURNFORMAT_OBJECT:
+                $reply->httpstatus = $httpstatus;
+                if ($httpstatus == 200) {
+                    self::setBearerToken($reply->access_token);
+                }
+                break;
+        }
+        return $reply;
+    }
+
+    /**
+     * Signing helpers
+     */
+
+    /**
+     * URL-encodes the given data
+     *
+     * @param mixed $data
+     *
+     * @return mixed The encoded data
+     */
+    private function _url($data)
+    {
+        if (is_array($data)) {
+            return array_map(array(
+                $this,
+                '_url'
+            ), $data);
+        } elseif (is_scalar($data)) {
+            return str_replace(array(
+                '+',
+                '!',
+                '*',
+                "'",
+                '(',
+                ')'
+            ), array(
+                ' ',
+                '%21',
+                '%2A',
+                '%27',
+                '%28',
+                '%29'
+            ), rawurlencode($data));
+        } else {
+            return '';
+        }
+    }
+
+    /**
+     * Gets the base64-encoded SHA1 hash for the given data
+     *
+     * @param string $data The data to calculate the hash from
+     *
+     * @return string The hash
+     */
+    private function _sha1($data)
+    {
+        if (self::$_oauth_consumer_secret == null) {
+            throw new \Exception('To generate a hash, the consumer secret must be set.');
+        }
+        if (!function_exists('hash_hmac')) {
+            throw new \Exception('To generate a hash, the PHP hash extension must be available.');
+        }
+        return base64_encode(hash_hmac('sha1', $data, self::$_oauth_consumer_secret . '&'
+            . ($this->_oauth_token_secret != null ? $this->_oauth_token_secret : ''), true));
+    }
+
+    /**
+     * Generates a (hopefully) unique random string
+     *
+     * @param int optional $length The length of the string to generate
+     *
+     * @return string The random string
+     */
+    protected function _nonce($length = 8)
+    {
+        if ($length < 1) {
+            throw new \Exception('Invalid nonce length.');
+        }
+        return substr(md5(microtime(true)), 0, $length);
+    }
+
+    /**
+     * Generates an OAuth signature
+     *
+     * @param string          $httpmethod Usually either 'GET' or 'POST' or 'DELETE'
+     * @param string          $method     The API method to call
+     * @param array  optional $params     The API call parameters, associative
+     *
+     * @return string Authorization HTTP header
+     */
+    protected function _sign($httpmethod, $method, $params = array())
+    {
+        if (self::$_oauth_consumer_key == null) {
+            throw new \Exception('To generate a signature, the consumer key must be set.');
+        }
+        $sign_params      = array(
+            'consumer_key' => self::$_oauth_consumer_key,
+            'version' => '1.0',
+            'timestamp' => time(),
+            'nonce' => $this->_nonce(),
+            'signature_method' => 'HMAC-SHA1'
+        );
+        $sign_base_params = array();
+        foreach ($sign_params as $key => $value) {
+            $sign_base_params['oauth_' . $key] = $this->_url($value);
+        }
+        if ($this->_oauth_token != null) {
+            $sign_base_params['oauth_token'] = $this->_url($this->_oauth_token);
+        }
+        $oauth_params = $sign_base_params;
+        foreach ($params as $key => $value) {
+            $sign_base_params[$key] = $this->_url($value);
+        }
+        ksort($sign_base_params);
+        $sign_base_string = '';
+        foreach ($sign_base_params as $key => $value) {
+            $sign_base_string .= $key . '=' . $value . '&';
+        }
+        $sign_base_string = substr($sign_base_string, 0, -1);
+        $signature        = $this->_sha1($httpmethod . '&' . $this->_url($method) . '&' . $this->_url($sign_base_string));
+
+        $params = array_merge($oauth_params, array(
+            'oauth_signature' => $signature
+        ));
+        ksort($params);
+        $authorization = 'Authorization: OAuth ';
+        foreach ($params as $key => $value) {
+            $authorization .= $key . '="' . $this->_url($value) . '", ';
+        }
+        return substr($authorization, 0, -2);
+    }
+
+    /**
+     * Detects HTTP method to use for API call
+     *
+     * @param string $method The API method to call
+     * @param array  $params The parameters to send along
+     *
+     * @return string The HTTP method that should be used
+     */
+    protected function _detectMethod($method, $params)
+    {
+        // multi-HTTP method endpoints
+        switch($method) {
+            case 'account/settings':
+                $method = count($params) > 0 ? $method . '__post' : $method;
+                break;
+        }
+
+        $httpmethods         = array();
+        $httpmethods['GET']  = array(
+            // Timelines
+            'statuses/mentions_timeline',
+            'statuses/user_timeline',
+            'statuses/home_timeline',
+            'statuses/retweets_of_me',
+
+            // Tweets
+            'statuses/retweets/:id',
+            'statuses/show/:id',
+            'statuses/oembed',
+
+            // Search
+            'search/tweets',
+
+            // Direct Messages
+            'direct_messages',
+            'direct_messages/sent',
+            'direct_messages/show',
+
+            // Friends & Followers
+            'friendships/no_retweets/ids',
+            'friends/ids',
+            'followers/ids',
+            'friendships/lookup',
+            'friendships/incoming',
+            'friendships/outgoing',
+            'friendships/show',
+            'friends/list',
+            'followers/list',
+
+            // Users
+            'account/settings',
+            'account/verify_credentials',
+            'blocks/list',
+            'blocks/ids',
+            'users/lookup',
+            'users/show',
+            'users/search',
+            'users/contributees',
+            'users/contributors',
+            'users/profile_banner',
+
+            // Suggested Users
+            'users/suggestions/:slug',
+            'users/suggestions',
+            'users/suggestions/:slug/members',
+
+            // Favorites
+            'favorites/list',
+
+            // Lists
+            'lists/list',
+            'lists/statuses',
+            'lists/memberships',
+            'lists/subscribers',
+            'lists/subscribers/show',
+            'lists/members/show',
+            'lists/members',
+            'lists/show',
+            'lists/subscriptions',
+
+            // Saved searches
+            'saved_searches/list',
+            'saved_searches/show/:id',
+
+            // Places & Geo
+            'geo/id/:place_id',
+            'geo/reverse_geocode',
+            'geo/search',
+            'geo/similar_places',
+
+            // Trends
+            'trends/place',
+            'trends/available',
+            'trends/closest',
+
+            // OAuth
+            'oauth/authenticate',
+            'oauth/authorize',
+
+            // Help
+            'help/configuration',
+            'help/languages',
+            'help/privacy',
+            'help/tos',
+            'application/rate_limit_status'
+        );
+        $httpmethods['POST'] = array(
+            // Tweets
+            'statuses/destroy/:id',
+            'statuses/update',
+            'statuses/retweet/:id',
+            'statuses/update_with_media',
+
+            // Media resources
+            'statusnet/media/upload',
+
+            // Direct Messages
+            'direct_messages/destroy',
+            'direct_messages/new',
+
+            // Friends & Followers
+            'friendships/create',
+            'friendships/destroy',
+            'friendships/update',
+
+            // Users
+            'account/settings__post',
+            'account/update_delivery_device',
+            'account/update_profile',
+            'account/update_profile_background_image',
+            'account/update_profile_colors',
+            'account/update_profile_image',
+            'blocks/create',
+            'blocks/destroy',
+            'account/update_profile_banner',
+            'account/remove_profile_banner',
+
+            // Favorites
+            'favorites/destroy',
+            'favorites/create',
+
+            // Lists
+            'lists/members/destroy',
+            'lists/subscribers/create',
+            'lists/subscribers/destroy',
+            'lists/members/create_all',
+            'lists/members/create',
+            'lists/destroy',
+            'lists/update',
+            'lists/create',
+            'lists/members/destroy_all',
+
+            // Saved Searches
+            'saved_searches/create',
+            'saved_searches/destroy/:id',
+
+            // Places & Geo
+            'geo/place',
+
+            // Spam Reporting
+            'users/report_spam',
+
+            // OAuth
+            'oauth/access_token',
+            'oauth/request_token',
+            'oauth2/token',
+            'oauth2/invalidate_token'
+        );
+        foreach ($httpmethods as $httpmethod => $methods) {
+            if (in_array($method, $methods)) {
+                return $httpmethod;
+            }
+        }
+        throw new \Exception('Can\'t find HTTP method to use for "' . $method . '".');
+    }
+
+    /**
+     * Detects if API call should use multipart/form-data
+     *
+     * @param string $method The API method to call
+     *
+     * @return bool Whether the method should be sent as multipart
+     */
+    protected function _detectMultipart($method)
+    {
+        $multiparts = array(
+            // Tweets
+            'statuses/update',
+            'statuses/update_with_media',
+
+            // Media ressources
+            'statusnet/media/upload',
+
+            // Users
+            'account/update_profile_background_image',
+            'account/update_profile_image',
+            'account/update_profile_banner'
+        );
+        return in_array($method, $multiparts);
+    }
+
+    /**
+     * Detect filenames in upload parameters,
+     * build multipart request from upload params
+     *
+     * @param string $method  The API method to call
+     * @param array  $params  The parameters to send along
+     *
+     * @return void
+     */
+    protected function _buildMultipart($method, $params)
+    {
+        // well, files will only work in multipart methods
+        if (! $this->_detectMultipart($method)) {
+            return;
+        }
+
+        // only check specific parameters
+        $possible_files = array(
+            // Tweets
+            'statuses/update' => 'media[]',
+            'statuses/update_with_media' => 'media[]',
+            // Accounts
+            'account/update_profile_background_image' => 'image',
+            'account/update_profile_image' => 'image',
+            'account/update_profile_banner' => 'banner'
+        );
+        // method might have files?
+        if (! in_array($method, array_keys($possible_files))) {
+            return;
+        }
+
+        $possible_files = explode(' ', $possible_files[$method]);
+
+        $multipart_border = '--------------------' . $this->_nonce();
+        $multipart_request = '';
+        foreach ($params as $key => $value) {
+            // is it an array?
+            if (is_array($value)) {
+                throw new \Exception('Using URL-encoded parameters is not supported for uploading media.');
+                continue;
+            }
+
+            // check for filenames
+            if (in_array($key, $possible_files)) {
+                if (// is it a file, a readable one?
+                    @file_exists($value)
+                    && @is_readable($value)
+
+                    // is it a valid image?
+                    && $data = @getimagesize($value)
+                ) {
+                    if (// is it a supported image format?
+                        in_array($data[2], $this->_supported_media_files)
+                    ) {
+                        // try to read the file
+                        ob_start();
+                        readfile($value);
+                        $data = ob_get_contents();
+                        ob_end_clean();
+                        if (strlen($data) == 0) {
+                            continue;
+                        }
+                        $value = $data;
+                    }
+                }
+
+		// To-Do
+		$tempfile = tempnam(get_temppath(), "mimecheck");
+		file_put_contents($tempfile, $data);
+		$mime = image_type_to_mime_type(exif_imagetype($tempfile));
+		unlink($tempfile);
+		$filename = "upload";
+		$parametername = str_replace("[]", "", $key);
+
+		$multipart_request .= "--".$multipart_border."\n";
+		$multipart_request .= "Content-Disposition: form-data; name=\"{$parametername}\"; filename=\"{$filename}\"\n";
+		$multipart_request .= "Content-Type: ".$mime."\n";
+		$multipart_request .= "Content-Transfer-Encoding: binary\n\n";
+		$multipart_request .= $data."\n";
+            } else {
+
+            	$multipart_request .=
+	                '--' . $multipart_border . "\r\n"
+	                . 'Content-Disposition: form-data; name="' . $key . '"';
+
+            	$multipart_request .=
+	                "\r\n\r\n" . $value . "\r\n";
+            }
+        }
+        $multipart_request .= '--' . $multipart_border . '--';
+
+        return $multipart_request;
+    }
+
+
+    /**
+     * Builds the complete API endpoint url
+     *
+     * @param string $method           The API method to call
+     * @param string $method_template  The API method template to call
+     *
+     * @return string The URL to send the request to
+     */
+    protected function _getEndpoint($method, $method_template)
+    {
+        if (substr($method, 0, 5) == 'oauth') {
+            $url = self::$_endpoint_oauth . $method;
+        } else {
+            $url = self::$_endpoint . $method . '.json';
+        }
+        return $url;
+    }
+
+    /**
+     * Calls the API using cURL
+     *
+     * @param string          $httpmethod      The HTTP method to use for making the request
+     * @param string          $method          The API method to call
+     * @param string          $method_template The templated API method to call
+     * @param array  optional $params          The parameters to send along
+     * @param bool   optional $multipart       Whether to use multipart/form-data
+     * @param bool   optional $app_only_auth   Whether to use app-only bearer authentication
+     *
+     * @return mixed The API reply, encoded in the set return_format
+     */
+
+    protected function _callApi($httpmethod, $method, $method_template, $params = array(), $multipart = false, $app_only_auth = false)
+    {
+        if (! function_exists('curl_init')) {
+            throw new \Exception('To make API requests, the PHP curl extension must be available.');
+        }
+        $url = $this->_getEndpoint($method, $method_template);
+        $ch  = false;
+        if ($httpmethod == 'GET') {
+            $url_with_params = $url;
+            if (count($params) > 0) {
+                $url_with_params .= '?' . http_build_query($params);
+            }
+            $authorization = $this->_sign($httpmethod, $url, $params);
+            $ch = curl_init($url_with_params);
+        } else {
+            if ($multipart) {
+                $authorization = $this->_sign($httpmethod, $url, array());
+                $params        = $this->_buildMultipart($method_template, $params);
+            } else {
+                $authorization = $this->_sign($httpmethod, $url, $params);
+                $params        = http_build_query($params);
+            }
+            $ch = curl_init($url);
+            curl_setopt($ch, CURLOPT_POST, 1);
+            curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
+        }
+        if ($app_only_auth) {
+            if (self::$_oauth_consumer_key == null) {
+                throw new \Exception('To make an app-only auth API request, the consumer key must be set.');
+            }
+            // automatically fetch bearer token, if necessary
+            if (self::$_oauth_bearer_token == null) {
+                $this->oauth2_token();
+            }
+            $authorization = 'Authorization: Bearer ' . self::$_oauth_bearer_token;
+        }
+        $request_headers = array();
+        if (isset($authorization)) {
+            $request_headers[] = $authorization;
+            $request_headers[] = 'Expect:';
+        }
+        if ($multipart) {
+            $first_newline      = strpos($params, "\r\n");
+            $multipart_boundary = substr($params, 2, $first_newline - 2);
+            $request_headers[]  = 'Content-Length: ' . strlen($params);
+            $request_headers[]  = 'Content-Type: multipart/form-data; boundary='
+                . $multipart_boundary;
+        }
+
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0);
+        curl_setopt($ch, CURLOPT_HEADER, 1);
+        curl_setopt($ch, CURLOPT_HTTPHEADER, $request_headers);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
+        //curl_setopt($ch, CURLOPT_CAINFO, __DIR__ . '/cacert.pem');
+
+        $reply = curl_exec($ch);
+
+        // certificate validation results
+        //$validation_result = curl_errno($ch);
+        //if (in_array(
+        //        $validation_result,
+        //        array(
+        //            CURLE_SSL_CERTPROBLEM,
+        //            CURLE_SSL_CACERT,
+        //            CURLE_SSL_CACERT_BADFILE,
+        //            CURLE_SSL_CRL_BADFILE,
+        //            CURLE_SSL_ISSUER_ERROR
+        //        )
+        //    )
+        //) {
+        //    throw new \Exception('Error ' . $validation_result . ' while validating the Twitter API certificate.');
+        //}
+
+        $httpstatus = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+        $reply = $this->_parseApiReply($method_template, $reply);
+        if ($this->_return_format == CODEBIRD_RETURNFORMAT_OBJECT) {
+            $reply->httpstatus = $httpstatus;
+        } elseif ($this->_return_format == CODEBIRD_RETURNFORMAT_ARRAY) {
+            $reply['httpstatus'] = $httpstatus;
+        }
+        return $reply;
+    }
+
+    /**
+     * Parses the API reply to encode it in the set return_format
+     *
+     * @param string $method The method that has been called
+     * @param string $reply  The actual reply, JSON-encoded or URL-encoded
+     *
+     * @return array|object The parsed reply
+     */
+    protected function _parseApiReply($method, $reply)
+    {
+        // split headers and body
+        $headers = array();
+        $reply = explode("\r\n\r\n", $reply, 4);
+
+        // check if using proxy
+        if (substr($reply[0], 0, 35) === 'HTTP/1.1 200 Connection Established') {
+            array_shift($reply);
+        } elseif (count($reply) > 2) {
+            $headers = array_shift($reply);
+            $reply = array(
+                $headers,
+                implode("\r\n", $reply)
+            );
+        }
+
+        $headers_array = explode("\r\n", $reply[0]);
+        foreach ($headers_array as $header) {
+            $header_array = explode(': ', $header, 2);
+            $key = $header_array[0];
+            $value = '';
+            if (count($header_array) > 1) {
+                $value = $header_array[1];
+            }
+            $headers[$key] = $value;
+        }
+        if (count($reply) > 1) {
+            $reply = $reply[1];
+        } else {
+            $reply = '';
+        }
+
+        $need_array = $this->_return_format == CODEBIRD_RETURNFORMAT_ARRAY;
+        if ($reply == '[]') {
+            switch ($this->_return_format) {
+                case CODEBIRD_RETURNFORMAT_ARRAY:
+                    return array();
+                case CODEBIRD_RETURNFORMAT_JSON:
+                    return '{}';
+                case CODEBIRD_RETURNFORMAT_OBJECT:
+                    return new \stdClass;
+            }
+        }
+        $parsed = array();
+        if (! $parsed = json_decode($reply, $need_array)) {
+            if ($reply) {
+                if (stripos($reply, '<' . '?xml version="1.0" encoding="UTF-8"?' . '>') === 0) {
+                    // we received XML...
+                    // since this only happens for errors,
+                    // don't perform a full decoding
+                    preg_match('/(.*)<\/request>/', $reply, $request);
+                    preg_match('/(.*)<\/error>/', $reply, $error);
+                    $parsed['request'] = htmlspecialchars_decode($request[1]);
+                    $parsed['error'] = htmlspecialchars_decode($error[1]);
+                } else {
+                    // assume query format
+                    $reply = explode('&', $reply);
+                    foreach ($reply as $element) {
+                        if (stristr($element, '=')) {
+                            list($key, $value) = explode('=', $element);
+                            $parsed[$key] = $value;
+                        } else {
+                            $parsed['message'] = $element;
+                        }
+                    }
+                }
+            }
+            $reply = json_encode($parsed);
+        }
+        switch ($this->_return_format) {
+            case CODEBIRD_RETURNFORMAT_ARRAY:
+                return $parsed;
+            case CODEBIRD_RETURNFORMAT_JSON:
+                return $reply;
+            case CODEBIRD_RETURNFORMAT_OBJECT:
+                return (object) $parsed;
+        }
+        return $parsed;
+    }
+}
+
+?>
diff --git a/statusnet/library/statusnetoauth.php b/statusnet/library/statusnetoauth.php
new file mode 100644
index 00000000..beed59e7
--- /dev/null
+++ b/statusnet/library/statusnetoauth.php
@@ -0,0 +1,102 @@
+get($this->host . 'statusnet/config.json');
+		return $config->site->textlimit;
+	}
+
+	function accessTokenURL()
+	{
+		return $this->host . 'oauth/access_token';
+	}
+
+	function authenticateURL()
+	{
+		return $this->host . 'oauth/authenticate';
+	}
+
+	function authorizeURL()
+	{
+		return $this->host . 'oauth/authorize';
+	}
+
+	function requestTokenURL()
+	{
+		return $this->host . 'oauth/request_token';
+	}
+
+	function __construct($apipath, $consumer_key, $consumer_secret, $oauth_token = NULL, $oauth_token_secret = NULL)
+	{
+		parent::__construct($consumer_key, $consumer_secret, $oauth_token, $oauth_token_secret);
+		$this->host = $apipath;
+	}
+
+	/**
+	 * Make an HTTP request
+	 *
+	 * Copied here from the TwitterOAuth library and complemented by applying the proxy settings of Friendica
+	 *
+	 * @param string $method
+	 * @param string $host
+	 * @param string $path
+	 * @param array  $parameters
+	 *
+	 * @return array|object API results
+	 */
+	function http($url, $method, $postfields = NULL)
+	{
+		$this->http_info = [];
+		$ci = curl_init();
+		/* Curl settings */
+		$prx = Config::get('system', 'proxy');
+		if (strlen($prx)) {
+			curl_setopt($ci, CURLOPT_HTTPPROXYTUNNEL, 1);
+			curl_setopt($ci, CURLOPT_PROXY, $prx);
+			$prxusr = Config::get('system', 'proxyuser');
+			if (strlen($prxusr)) {
+				curl_setopt($ci, CURLOPT_PROXYUSERPWD, $prxusr);
+			}
+		}
+		curl_setopt($ci, CURLOPT_USERAGENT, $this->useragent);
+		curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, $this->connecttimeout);
+		curl_setopt($ci, CURLOPT_TIMEOUT, $this->timeout);
+		curl_setopt($ci, CURLOPT_RETURNTRANSFER, TRUE);
+		curl_setopt($ci, CURLOPT_HTTPHEADER, ['Expect:']);
+		curl_setopt($ci, CURLOPT_SSL_VERIFYPEER, $this->ssl_verifypeer);
+		curl_setopt($ci, CURLOPT_HEADERFUNCTION, [$this, 'getHeader']);
+		curl_setopt($ci, CURLOPT_HEADER, FALSE);
+
+		switch ($method) {
+			case 'POST':
+				curl_setopt($ci, CURLOPT_POST, TRUE);
+				if (!empty($postfields)) {
+					curl_setopt($ci, CURLOPT_POSTFIELDS, $postfields);
+				}
+				break;
+			case 'DELETE':
+				curl_setopt($ci, CURLOPT_CUSTOMREQUEST, 'DELETE');
+				if (!empty($postfields)) {
+					$url = "{$url}?{$postfields}";
+				}
+		}
+
+		curl_setopt($ci, CURLOPT_URL, $url);
+		$response = curl_exec($ci);
+		$this->http_code = curl_getinfo($ci, CURLINFO_HTTP_CODE);
+		$this->http_info = array_merge($this->http_info, curl_getinfo($ci));
+		$this->url = $url;
+		curl_close($ci);
+		return $response;
+	}
+}
diff --git a/statusnet/library/twitteroauth.php b/statusnet/library/twitteroauth.php
new file mode 100644
index 00000000..323156eb
--- /dev/null
+++ b/statusnet/library/twitteroauth.php
@@ -0,0 +1,280 @@
+http_status;
+	}
+
+	function lastAPICall()
+	{
+		return $this->last_api_call;
+	}
+
+	/**
+	 * construct TwitterOAuth object
+	 */
+	function __construct($consumer_key, $consumer_secret, $oauth_token = NULL, $oauth_token_secret = NULL)
+	{
+		$this->sha1_method = new OAuthSignatureMethod_HMAC_SHA1();
+		$this->consumer = new OAuthConsumer($consumer_key, $consumer_secret);
+		if (!empty($oauth_token) && !empty($oauth_token_secret)) {
+			$this->token = new OAuthConsumer($oauth_token, $oauth_token_secret);
+		} else {
+			$this->token = NULL;
+		}
+	}
+
+	/**
+	 * Get a request_token from Twitter
+	 *
+	 * @returns a key/value array containing oauth_token and oauth_token_secret
+	 */
+	function getRequestToken($oauth_callback = NULL)
+	{
+		$parameters = array();
+		if (!empty($oauth_callback)) {
+			$parameters['oauth_callback'] = $oauth_callback;
+		}
+		$request = $this->oAuthRequest($this->requestTokenURL(), 'GET', $parameters);
+		$token = OAuthUtil::parse_parameters($request);
+		$this->token = new OAuthConsumer($token['oauth_token'], $token['oauth_token_secret']);
+		return $token;
+	}
+
+	/**
+	 * Get the authorize URL
+	 *
+	 * @returns a string
+	 */
+	function getAuthorizeURL($token, $sign_in_with_twitter = TRUE)
+	{
+		if (is_array($token)) {
+			$token = $token['oauth_token'];
+		}
+		if (empty($sign_in_with_twitter)) {
+			return $this->authorizeURL() . "?oauth_token={$token}";
+		} else {
+			return $this->authenticateURL() . "?oauth_token={$token}";
+		}
+	}
+
+	/**
+	 * Exchange request token and secret for an access token and
+	 * secret, to sign API calls.
+	 *
+	 * @returns array("oauth_token" => "the-access-token",
+	 *                "oauth_token_secret" => "the-access-secret",
+	 *                "user_id" => "9436992",
+	 *                "screen_name" => "abraham")
+	 */
+	function getAccessToken($oauth_verifier = FALSE)
+	{
+		$parameters = array();
+		if (!empty($oauth_verifier)) {
+			$parameters['oauth_verifier'] = $oauth_verifier;
+		}
+		$request = $this->oAuthRequest($this->accessTokenURL(), 'GET', $parameters);
+		$token = OAuthUtil::parse_parameters($request);
+		$this->token = new OAuthConsumer($token['oauth_token'], $token['oauth_token_secret']);
+		return $token;
+	}
+
+	/**
+	 * One time exchange of username and password for access token and secret.
+	 *
+	 * @returns array("oauth_token" => "the-access-token",
+	 *                "oauth_token_secret" => "the-access-secret",
+	 *                "user_id" => "9436992",
+	 *                "screen_name" => "abraham",
+	 *                "x_auth_expires" => "0")
+	 */
+	function getXAuthToken($username, $password)
+	{
+		$parameters = array();
+		$parameters['x_auth_username'] = $username;
+		$parameters['x_auth_password'] = $password;
+		$parameters['x_auth_mode'] = 'client_auth';
+		$request = $this->oAuthRequest($this->accessTokenURL(), 'POST', $parameters);
+		$token = OAuthUtil::parse_parameters($request);
+		$this->token = new OAuthConsumer($token['oauth_token'], $token['oauth_token_secret']);
+		return $token;
+	}
+
+	/**
+	 * GET wrapper for oAuthRequest.
+	 */
+	function get($url, $parameters = array())
+	{
+		$response = $this->oAuthRequest($url, 'GET', $parameters);
+		if ($this->format === 'json' && $this->decode_json) {
+			return json_decode($response);
+		}
+		return $response;
+	}
+
+	/**
+	 * POST wrapper for oAuthRequest.
+	 */
+	function post($url, $parameters = array())
+	{
+		$response = $this->oAuthRequest($url, 'POST', $parameters);
+		if ($this->format === 'json' && $this->decode_json) {
+			return json_decode($response);
+		}
+		return $response;
+	}
+
+	/**
+	 * DELETE wrapper for oAuthReqeust.
+	 */
+	function delete($url, $parameters = array())
+	{
+		$response = $this->oAuthRequest($url, 'DELETE', $parameters);
+		if ($this->format === 'json' && $this->decode_json) {
+			return json_decode($response);
+		}
+		return $response;
+	}
+
+	/**
+	 * Format and sign an OAuth / API request
+	 */
+	function oAuthRequest($url, $method, $parameters)
+	{
+		if (strrpos($url, 'https://') !== 0 && strrpos($url, 'http://') !== 0) {
+			$url = "{$this->host}{$url}.{$this->format}";
+		}
+		$request = OAuthRequest::from_consumer_and_token($this->consumer, $this->token, $method, $url, $parameters);
+		$request->sign_request($this->sha1_method, $this->consumer, $this->token);
+		switch ($method) {
+			case 'GET':
+				return $this->http($request->to_url(), 'GET');
+			case 'UPLOAD':
+				return $this->http($request->get_normalized_http_url(), 'POST', $request->to_postdata(true));
+			default:
+				return $this->http($request->get_normalized_http_url(), $method, $request->to_postdata());
+		}
+	}
+
+	/**
+	 * Make an HTTP request
+	 *
+	 * @return API results
+	 */
+	function http($url, $method, $postfields = NULL)
+	{
+		$this->http_info = array();
+		$ci = curl_init();
+		/* Curl settings */
+		curl_setopt($ci, CURLOPT_USERAGENT, $this->useragent);
+		curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, $this->connecttimeout);
+		curl_setopt($ci, CURLOPT_TIMEOUT, $this->timeout);
+		curl_setopt($ci, CURLOPT_RETURNTRANSFER, TRUE);
+		curl_setopt($ci, CURLOPT_HTTPHEADER, array('Expect:'));
+		curl_setopt($ci, CURLOPT_SSL_VERIFYPEER, $this->ssl_verifypeer);
+		curl_setopt($ci, CURLOPT_HEADERFUNCTION, array($this, 'getHeader'));
+		curl_setopt($ci, CURLOPT_HEADER, FALSE);
+
+		switch ($method) {
+			case 'POST':
+				curl_setopt($ci, CURLOPT_POST, TRUE);
+				if (!empty($postfields)) {
+					curl_setopt($ci, CURLOPT_POSTFIELDS, $postfields);
+				}
+				break;
+			case 'DELETE':
+				curl_setopt($ci, CURLOPT_CUSTOMREQUEST, 'DELETE');
+				if (!empty($postfields)) {
+					$url = "{$url}?{$postfields}";
+				}
+		}
+
+		curl_setopt($ci, CURLOPT_URL, $url);
+		$response = curl_exec($ci);
+		$this->http_code = curl_getinfo($ci, CURLINFO_HTTP_CODE);
+		$this->http_info = array_merge($this->http_info, curl_getinfo($ci));
+		$this->url = $url;
+		curl_close($ci);
+		return $response;
+	}
+
+	/**
+	 * Get the header info to store.
+	 */
+	function getHeader($ch, $header)
+	{
+		$i = strpos($header, ':');
+		if (!empty($i)) {
+			$key = str_replace('-', '_', strtolower(substr($header, 0, $i)));
+			$value = trim(substr($header, $i + 2));
+			$this->http_header[$key] = $value;
+		}
+		return strlen($header);
+	}
+}
diff --git a/statusnet/statusnet.php b/statusnet/statusnet.php
index 7308f223..7ef171f7 100644
--- a/statusnet/statusnet.php
+++ b/statusnet/statusnet.php
@@ -33,16 +33,9 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
-/*
- * We have to alter the TwitterOAuth class a little bit to work with any GNU Social
- * installation abroad. Basically it's only make the API path variable and be happy.
- *
- * Thank you guys for the Twitter compatible API!
- */
-
 define('STATUSNET_DEFAULT_POLL_INTERVAL', 5); // given in minutes
 
-require_once 'library/twitteroauth.php';
+require_once __DIR__ . DIRECTORY_SEPARATOR . 'library' . DIRECTORY_SEPARATOR . 'statusnetoauth.php';
 require_once 'include/enotify.php';
 
 use Friendica\App;
@@ -60,94 +53,6 @@ use Friendica\Model\Photo;
 use Friendica\Model\User;
 use Friendica\Util\Network;
 
-class StatusNetOAuth extends TwitterOAuth
-{
-	function get_maxlength()
-	{
-		$config = $this->get($this->host . 'statusnet/config.json');
-		return $config->site->textlimit;
-	}
-
-	function accessTokenURL()
-	{
-		return $this->host . 'oauth/access_token';
-	}
-
-	function authenticateURL()
-	{
-		return $this->host . 'oauth/authenticate';
-	}
-
-	function authorizeURL()
-	{
-		return $this->host . 'oauth/authorize';
-	}
-
-	function requestTokenURL()
-	{
-		return $this->host . 'oauth/request_token';
-	}
-
-	function __construct($apipath, $consumer_key, $consumer_secret, $oauth_token = NULL, $oauth_token_secret = NULL)
-	{
-		parent::__construct($consumer_key, $consumer_secret, $oauth_token, $oauth_token_secret);
-		$this->host = $apipath;
-	}
-
-	/**
-	 * Make an HTTP request
-	 *
-	 * @return API results
-	 *
-	 * Copied here from the twitteroauth library and complemented by applying the proxy settings of friendica
-	 */
-	function http($url, $method, $postfields = NULL)
-	{
-		$this->http_info = [];
-		$ci = curl_init();
-		/* Curl settings */
-		$prx = Config::get('system', 'proxy');
-		if (strlen($prx)) {
-			curl_setopt($ci, CURLOPT_HTTPPROXYTUNNEL, 1);
-			curl_setopt($ci, CURLOPT_PROXY, $prx);
-			$prxusr = Config::get('system', 'proxyuser');
-			if (strlen($prxusr)) {
-				curl_setopt($ci, CURLOPT_PROXYUSERPWD, $prxusr);
-			}
-		}
-		curl_setopt($ci, CURLOPT_USERAGENT, $this->useragent);
-		curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, $this->connecttimeout);
-		curl_setopt($ci, CURLOPT_TIMEOUT, $this->timeout);
-		curl_setopt($ci, CURLOPT_RETURNTRANSFER, TRUE);
-		curl_setopt($ci, CURLOPT_HTTPHEADER, ['Expect:']);
-		curl_setopt($ci, CURLOPT_SSL_VERIFYPEER, $this->ssl_verifypeer);
-		curl_setopt($ci, CURLOPT_HEADERFUNCTION, [$this, 'getHeader']);
-		curl_setopt($ci, CURLOPT_HEADER, FALSE);
-
-		switch ($method) {
-			case 'POST':
-				curl_setopt($ci, CURLOPT_POST, TRUE);
-				if (!empty($postfields)) {
-					curl_setopt($ci, CURLOPT_POSTFIELDS, $postfields);
-				}
-				break;
-			case 'DELETE':
-				curl_setopt($ci, CURLOPT_CUSTOMREQUEST, 'DELETE');
-				if (!empty($postfields)) {
-					$url = "{$url}?{$postfields}";
-				}
-		}
-
-		curl_setopt($ci, CURLOPT_URL, $url);
-		$response = curl_exec($ci);
-		$this->http_code = curl_getinfo($ci, CURLINFO_HTTP_CODE);
-		$this->http_info = array_merge($this->http_info, curl_getinfo($ci));
-		$this->url = $url;
-		curl_close($ci);
-		return $response;
-	}
-}
-
 function statusnet_install()
 {
 	//  we need some hooks, for the configuration and for sending tweets
@@ -671,7 +576,7 @@ function statusnet_post_hook(App $a, &$b)
 			$postdata = ["status" => $msg];
 		}
 
-		// and now dent it :-)
+		// and now send it :-)
 		if (strlen($msg)) {
 			if ($iscomment) {
 				$postdata["in_reply_to_status_id"] = substr($orig_post["uri"], $hostlength);
@@ -679,7 +584,7 @@ function statusnet_post_hook(App $a, &$b)
 			}
 
 			// New code that is able to post pictures
-			require_once "addon/statusnet/codebird.php";
+			require_once __DIR__ . DIRECTORY_SEPARATOR . 'library' . DIRECTORY_SEPARATOR . 'codebirdsn.php';
 			$cb = \CodebirdSN\CodebirdSN::getInstance();
 			$cb->setAPIEndpoint($api);
 			$cb->setConsumerKey($ckey, $csecret);
@@ -1131,9 +1036,9 @@ function statusnet_fetchuser(App $a, $uid, $screen_name = "", $user_id = "")
 	$otoken  = PConfig::get($uid, 'statusnet', 'oauthtoken');
 	$osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
 
-	require_once "addon/statusnet/codebird.php";
+	require_once __DIR__ . DIRECTORY_SEPARATOR . 'library' . DIRECTORY_SEPARATOR . 'codebirdsn.php';
 
-	$cb = \Codebird\Codebird::getInstance();
+	$cb = \CodebirdSN\CodebirdSN::getInstance();
 	$cb->setConsumerKey($ckey, $csecret);
 	$cb->setToken($otoken, $osecret);
 
@@ -1403,7 +1308,6 @@ function statusnet_fetchhometimeline(App $a, $uid, $mode = 1)
 
 	logger("statusnet_fetchhometimeline: Fetching for user " . $uid, LOGGER_DEBUG);
 
-	require_once 'library/twitteroauth.php';
 	require_once 'include/items.php';
 
 	$connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
@@ -1604,8 +1508,6 @@ function statusnet_complete_conversation(App $a, $uid, $self, $create_user, $nic
 	$osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
 	$own_url = PConfig::get($uid, 'statusnet', 'own_url');
 
-	require_once 'library/twitteroauth.php';
-
 	$connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
 
 	$parameters["count"] = 200;
@@ -1756,8 +1658,6 @@ function statusnet_fetch_own_contact(App $a, $uid)
 	$contact_id = 0;
 
 	if ($own_url == "") {
-		require_once 'library/twitteroauth.php';
-
 		$connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
 
 		// Fetching user data