From: Hypolite Petovan <mrpetovan@gmail.com>
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/?a=commitdiff_plain;h=7afef6b87f30c3e5fbad12de7c4980b7bab47f27;p=friendica-addons.git

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 @@
-<?php
-
-namespace CodebirdSN;
-
-/**
- * A Twitter library in PHP.
- *
- * @package codebird
- * @version 2.4.1
- * @author J.M. <me@mynetx.net>
- * @copyright 2010-2013 J.M. <me@mynetx.net>
- *
- * Modified for statusnet by Michael Vogel <heluecht@pirati.ca>
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-/**
- * 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>(.*)<\/request>/', $reply, $request);
-                    preg_match('/<error>(.*)<\/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..a2097be0
--- /dev/null
+++ b/statusnet/library/OAuth1.php
@@ -0,0 +1,893 @@
+<?php
+// vim: foldmethod=marker
+
+/* Generic exception class
+ */
+if (!class_exists('OAuthException')) {
+	class OAuthException extends Exception {
+		// pass
+	}
+}
+
+class OAuthConsumer {
+  public $key;
+  public $secret;
+
+  function __construct($key, $secret, $callback_url=NULL) {
+    $this->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, $token);
+    //echo "<pre>"; var_dump($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( $parameters['pagename'] );
+    
+	//echo "<pre>".__function__."\n"; var_dump($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__."<pre>"; 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('&', $pairs);
+  }
+}
+
+?>
diff --git a/statusnet/library/codebirdsn.php b/statusnet/library/codebirdsn.php
new file mode 100644
index 00000000..cba5f936
--- /dev/null
+++ b/statusnet/library/codebirdsn.php
@@ -0,0 +1,1057 @@
+<?php
+
+namespace CodebirdSN;
+
+/**
+ * A Twitter library in PHP.
+ *
+ * @package codebird
+ * @version 2.4.1
+ * @author J.M. <me@mynetx.net>
+ * @copyright 2010-2013 J.M. <me@mynetx.net>
+ *
+ * Modified for statusnet by Michael Vogel <heluecht@pirati.ca>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * Define constants
+ */
+$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>(.*)<\/request>/', $reply, $request);
+                    preg_match('/<error>(.*)<\/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 @@
+<?php
+
+require_once __DIR__ . DIRECTORY_SEPARATOR . 'twitteroauth.php';
+
+/*
+ * 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!
+ */
+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
+	 *
+	 * 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 @@
+<?php
+
+/*
+ * Abraham Williams (abraham@abrah.am) http://abrah.am
+ *
+ * The first PHP Library to support OAuth for Twitter's REST API.
+ *
+ * Version 0.2.0 kept for compatibility purpose with StatusNetOAuth
+ */
+
+/* Load OAuth lib. You can find it at http://oauth.net */
+require_once __DIR__ . DIRECTORY_SEPARATOR . 'OAuth1.php';
+
+/**
+ * Twitter OAuth class
+ */
+class TwitterOAuth
+{
+	/* Contains the last HTTP status code returned. */
+	public $http_code;
+	/* Contains the last API call. */
+	public $url;
+	/* Set up the API root URL. */
+	public $host = "https://api.twitter.com/1.1/";
+	/* Set timeout default. */
+	public $timeout = 30;
+	/* Set connect timeout. */
+	public $connecttimeout = 30;
+	/* Verify SSL Cert. */
+	public $ssl_verifypeer = FALSE;
+	/* Respons format. */
+	public $format = 'json';
+	/* Decode returned json data. */
+	public $decode_json = TRUE;
+	/* Contains the last HTTP headers returned. */
+	public $http_info;
+	/* Set the useragnet. */
+	public $useragent = 'TwitterOAuth v0.2.0-beta2';
+
+	/* Immediately retry the API call if the response was not successful. */
+	//public $retry = TRUE;
+
+	/**
+	 * Set API URLS
+	 */
+	function accessTokenURL()
+	{
+		return 'https://api.twitter.com/oauth/access_token';
+	}
+
+	function authenticateURL()
+	{
+		return 'https://twitter.com/oauth/authenticate';
+	}
+
+	function authorizeURL()
+	{
+		return 'https://twitter.com/oauth/authorize';
+	}
+
+	function requestTokenURL()
+	{
+		return 'https://api.twitter.com/oauth/request_token';
+	}
+
+	/**
+	 * Debug helpers
+	 */
+	function lastStatusCode()
+	{
+		return $this->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