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File Content: `OAuthRequest.php`

<?php
/*!
* This file is part of the OAuth PHP Library (https://code.google.com/p/oauth/)
*
* OAuth `PHP' Library is an open source software available under the MIT License.
*/

namespace Hybridauth\Thirdparty\OAuth;

/**
 * Class OAuthRequest
 *
 * @package Hybridauth\Thirdparty\OAuth
 */
class OAuthRequest
{
    public $parameters;
    public $http_method;
    public $http_url;
    // for debug purposes
    public $base_string;
    public static $version = '1.0';
    public static $POST_INPUT = 'php://input';

    /**
     * OAuthRequest constructor.
     *
     * @param      $http_method
     * @param      $http_url
     * @param null $parameters
     */
    public function __construct($http_method, $http_url, $parameters = null)
    {
        $parameters = ($parameters) ? $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
     *
     * @param null $http_method
     * @param null $http_url
     * @param null $parameters
     *
     * @return OAuthRequest
     */
    public static function from_request($http_method = null, $http_url = null, $parameters = null)
    {
        $scheme = (!isset($_SERVER['HTTPS']) || $_SERVER['HTTPS'] != "on") ? 'http' : 'https';
        $http_url = ($http_url) ? $http_url : $scheme . '://' . $_SERVER['SERVER_NAME'] . ':' . $_SERVER['SERVER_PORT'] . $_SERVER['REQUEST_URI'];
        $http_method = ($http_method) ? $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 ($http_method == "POST" && isset($request_headers['Content-Type']) && 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 (isset($request_headers['Authorization']) && substr($request_headers['Authorization'], 0, 6) == 'OAuth ') {
                $header_parameters = OAuthUtil::split_header($request_headers['Authorization']);
                $parameters = array_merge($parameters, $header_parameters);
            }
        }
        
        return new OAuthRequest($http_method, $http_url, $parameters);
    }

    /**
     * pretty much a helper function to set up the request
     * @param      $consumer
     * @param      $token
     * @param      $http_method
     * @param      $http_url
     * @param null $parameters
     * @return OAuthRequest
*/
    public static function from_consumer_and_token($consumer, $token, $http_method, $http_url, $parameters = null)
    {
        $parameters = ($parameters) ? $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);
    }

    /**
     * @param      $name
     * @param      $value
     * @param bool $allow_duplicates
     */
    public function set_parameter($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;
        }
    }

    /**
     * @param $name
     *
     * @return |null
     */
    public function get_parameter($name)
    {
        return isset($this->parameters[$name]) ? $this->parameters[$name] : null;
    }

    /**
     * @return array
     */
    public function get_parameters()
    {
        return $this->parameters;
    }

    /**
     * @param $name
     */
    public function unset_parameter($name)
    {
        unset($this->parameters[$name]);
    }
    
    /**
     * The request parameters, sorted and concatenated into a normalized string.
     *
     * @return string
     */
    public function get_signable_parameters()
    {
        $params = [];

        // Grab all parameters.
        foreach ($this->parameters as $key_param => $value_param) {
            // Process only scalar values.
            if (is_scalar($value_param)) {
                $params[$key_param] = $value_param;
            }
        }

        // 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);
        
        $scheme = (isset($parts['scheme'])) ? $parts['scheme'] : 'http';
        $port   = (isset($parts['port'])) ? $parts['port'] : (($scheme == 'https') ? '443' : '80');
        $host   = (isset($parts['host'])) ? strtolower($parts['host']) : '';
        $path   = (isset($parts['path'])) ? $parts['path'] : '';
        
        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()
    {
        return OAuthUtil::build_http_query($this->parameters);
    }

    /**
     * builds the Authorization: header
     * @param null $realm
     * @return array
*/
    public function to_header($realm = null)
    {
        $first = true;
        if ($realm) {
            $out   = 'OAuth realm="' . OAuthUtil::urlencode_rfc3986($realm) . '"';
            $first = false;
        } else {
            $out = 'OAuth';
        }
        
        foreach ($this->parameters as $k => $v) {
            if (substr($k, 0, 5) != "oauth") {
                continue;
            }
            if (is_array($v)) {
                continue;
            }
            $out .= ($first) ? ' ' : ',';
            $out .= OAuthUtil::urlencode_rfc3986($k) . '="' . OAuthUtil::urlencode_rfc3986($v) . '"';
            $first = false;
        }

        return array(
            'Authorization' => $out
        ); //- hacked into this to make it return an array. 15/11/2014.
    }

    /**
     * @return string
     */
    public function __toString()
    {
        return $this->to_url();
    }

    /**
     * @param $signature_method
     * @param $consumer
     * @param $token
     */
    public function sign_request($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);
    }

    /**
     * @param $signature_method
     * @param $consumer
     * @param $token
     *
     * @return mixed
     */
    public function build_signature($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
    }
}
Name	Size	Permission
OAuthConsumer.php	864 bytes	0644
OAuthRequest.php	10310 bytes	0644
OAuthSignatureMethod.php	1777 bytes	0644
OAuthSignatureMethodHMACSHA1.php	1052 bytes	0644
OAuthUtil.php	7070 bytes	0644
README.md	208 bytes	0644
File Content: OAuthRequest.php

File Content: `OAuthRequest.php`
