forked from friendica/friendica-addons
		
	
		
			
				
	
	
		
			1026 lines
		
	
	
	
		
			32 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			1026 lines
		
	
	
	
		
			32 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
 | 
						|
 | 
						|
namespace Codebird;
 | 
						|
 | 
						|
/**
 | 
						|
 * 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>
 | 
						|
 *
 | 
						|
 * 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 Codebird
 | 
						|
{
 | 
						|
    /**
 | 
						|
     * 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 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',
 | 
						|
 | 
						|
            // 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)
 | 
						|
    {
 | 
						|
        $multiparts = array(
 | 
						|
            // Tweets
 | 
						|
            'statuses/update_with_media',
 | 
						|
 | 
						|
            // Users
 | 
						|
            'account/update_profile_background_image',
 | 
						|
            'account/update_profile_image',
 | 
						|
            'account/update_profile_banner'
 | 
						|
        );
 | 
						|
        return in_array($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
 | 
						|
        $possible_files = array(
 | 
						|
            // Tweets
 | 
						|
            'statuses/update_with_media' => 'media[]',
 | 
						|
            // Accounts
 | 
						|
            'account/update_profile_background_image' => 'image',
 | 
						|
            'account/update_profile_image' => 'image',
 | 
						|
            'account/update_profile_banner' => 'banner'
 | 
						|
        );
 | 
						|
        // method might have files?
 | 
						|
        if (! in_array($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;
 | 
						|
            }
 | 
						|
            $multipart_request .=
 | 
						|
                '--' . $multipart_border . "\r\n"
 | 
						|
                . 'Content-Disposition: form-data; name="' . $key . '"';
 | 
						|
 | 
						|
            // check for filenames
 | 
						|
            if (in_array($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;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                /*
 | 
						|
                $multipart_request .=
 | 
						|
                    "\r\nContent-Transfer-Encoding: base64";
 | 
						|
                $value = base64_encode($value);
 | 
						|
                */
 | 
						|
            }
 | 
						|
 | 
						|
            $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;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
?>
 |