Fix File

• /home/sportsfe.../httpdocs/wp-conte.../plugins/custom-t.../inc

• File: CtfOauthConnect.php

• Content:

<?php
/**
 * Class OauthConnect
 *
 * Simple, lightweight class to make a connection to the Twitter API
 * Supports home timeline, user timeline, and search endpoints
 */
namespace TwitterFeed;

// Don't load directly
if ( ! defined( 'ABSPATH' ) ) {
    die( '-1' );
}

class CtfOauthConnect
{
    /**
     * @var string
     */
    protected $base_url;

/**
     * @var string
     */
    protected $get_fields;

/**
     * @var string
     */
    protected $request_method;

/**
     * @var array
     */
    protected $oauth;

/**
     * @var string
     */
    protected $header;

/**
     * @var bool
     */
    public $api_error_no = false;

/**
     * @var bool
     */
    public $api_error_message = false;

/**
     * @var string
     */
    public $json;

/**
     * @param array $request_settings   all necessary tokens for OAuth connection
     * @param $feed_type string         type of Twitter feed
     */
    public function __construct( array $request_settings, $feed_type )
    {
        $this->consumer_key = $request_settings['consumer_key'];
        $this->consumer_secret = $request_settings['consumer_secret'];
        $this->access_token = $request_settings['access_token'];
        $this->access_token_secret = $request_settings['access_token_secret'];
        $this->feed_type = $feed_type;
    }

/**
     * Sets the complete url for our API endpoint. GET fields will be added later
     */
    public function setUrlBase()
    {
        switch ( $this->feed_type ) {
            case "hometimeline":
                $this->base_url = 'https://api.twitter.com/1.1/statuses/home_timeline.json';
                break;
            case "search":
                $this->base_url = 'https://api.twitter.com/1.1/search/tweets.json';
                break;
            case "accountlookup":
                $this->base_url = 'https://api.twitter.com/1.1/account/verify_credentials.json';
                break;
            case "userslookup":
                $this->base_url = 'https://api.twitter.com/1.1/users/lookup.json';
                break;
            default:
                $this->base_url = 'https://api.twitter.com/1.1/statuses/user_timeline.json';
        }
    }

/**
     * Encodes an array of GET field data into html characters for including in a URL
     *
     * @param array $get_fields array of GET fields that are compatible with the Twitter API
     */
	public function setGetFields( array $get_fields )
	{
        $url_string = '?';
        $length = count( $get_fields );
        $j = 1;
        foreach ( $get_fields as $key => $value ) {
            $url_string .= rawurlencode( $key ) . '=' . rawurlencode( $value );
            if ( $j != $length ) {
                $url_string .= '&';
            }
            $j++;
        }

$this->get_fields = $url_string;
	}

/**
     * Users can manually set the request method if there is an uncatchable error in
     * the other methods
     *
     * @param string $request_method
     */
    public function setRequestMethod( $request_method = 'auto' )
    {
        $this->request_method = $request_method;
    }

/**
     * Uses the OAuth data to build the base string needed to create the
     * OAuth signature to be used in the header of the request
     *
     * @param $oauth array  oauth data without the signature
     * @return string       the base string for needed to construct the oauth signature
     */
    private function buildBaseString( $oauth )
    {
        $base_string = array();
        ksort( $oauth );

// start forming the header string by creating a numeric index array with
        // each part of the header string it's own element in the array
        foreach ( $oauth as $key => $value ) {
            $base_string[] = rawurlencode( $key ) . '=' . rawurlencode( $value );
        }

// convert the array of values into a single encoded string and return
        return 'GET&' . rawurlencode( $this->base_url ) . '&' . rawurlencode( implode( '&', $base_string ) );
    }

/**
     * Builds the OAuth data array that is used to authenticate the connection
     * to the Twitter API
     */
    public function buildOauth()
    {
        $oauth = array(
            'oauth_consumer_key' => $this->consumer_key,
            'oauth_nonce' => time(),
            'oauth_signature_method' => 'HMAC-SHA1',
            'oauth_token' => $this->access_token,
            'oauth_timestamp' => time(),
            'oauth_version' => '1.0'
        );

$getfields = str_replace( '?', '', explode( '&', $this->get_fields ? $this->get_fields : '' ) );

// add the get fields to the oauth associative array to be
        // formed into the header string eventually
        foreach ( $getfields as $getfield ) {
            $split = explode( '=', $getfield );

if ( isset( $split[1] ) ) {
                $oauth[$split[0]] = urldecode( $split[1] );
            }
        }

// the OAuth signature for Twitter is a hashed, encoded version of the base url, 4 different keys
        $base_string = $this->buildBaseString( $oauth );
        $composite_key = rawurlencode( $this->consumer_secret ) . '&' . rawurlencode( $this->access_token_secret );
        $oauth_signature = base64_encode( hash_hmac( 'sha1', $base_string, $composite_key, true ) );
        $oauth['oauth_signature'] = $oauth_signature;

$this->oauth = $oauth;
    }

/**
     * Since the OAuth data is passed in a url, special characters need to be encoded
     */
    private function encodeHeader()
    {
        $header = 'Authorization: OAuth ';
        $values = array();

// each element of the header needs to have it's special characters encoded for
        // passing through a url
        foreach ( $this->oauth as $key => $value ) {
            if ( in_array( $key, array( 'oauth_consumer_key', 'oauth_nonce', 'oauth_signature',
                'oauth_signature_method', 'oauth_timestamp', 'oauth_token', 'oauth_version' ) ) ){
                $values[] = "$key=\"" . rawurlencode( $value ) . "\"";
            }
        }

$header .= implode( ', ', $values );
        $this->header = $header;
    }

/**
     * Attempts to connect to the Twitter api using WP_HTTP class
     *
     * @param $url      string the complete api endpoint url
     * @return mixed    json string retrieved in the request
     */
    protected function wpHttpRequest( $url )
    {
        $args = array(
            'headers' => $this->header,
            'timeout' => 60,
        );
        $result = wp_remote_get( $url, $args );

if ( ! is_wp_error( $result ) ) {
	        return $result['body']; // just need the body to keep everything simple
        } else {
        	return '{}';
        }

}

/**
     * Uses the data created and gathered up to this point to make the actual connection
     * to the Twitter API. It first tests whether or not a curl connection is possible,
     * followed by file_get_contents connection, then defaults to the WordPress WP_HTTP object
     *
     * @return mixed|string raw json data retrieved from the API request
     */
    public function performRequest()
    {
        $url = $this->base_url . $this->get_fields;
        $this->buildOauth();
        $this->encodeHeader();

$this->json = $this->wpHttpRequest( $url );

return $this;
    }
}

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