162 lines
4.3 KiB
PHP
Executable File
162 lines
4.3 KiB
PHP
Executable File
<?php
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/**
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* twitter-timeline-php : Twitter API 1.1 user timeline implemented with PHP, a little JavaScript, and web intents
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*
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* @package twitter-timeline-php
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* @author Kim Maida <contact@kim-maida.com>
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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* @link http://github.com/kmaida/twitter-timeline-php
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* @credits Based on a mish-mash of code from Rivers, Jimbo / James Mallison, and others at <http://stackoverflow.com/questions/12916539/simplest-php-example-for-retrieving-user-timeline-with-twitter-api-version-1-1>
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*
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**/
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if (class_exists('TwitterAPITimeline') === false) {
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class TwitterAPITimeline
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{
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private $consumer_key;
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private $consumer_secret;
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private $oauth_access_token;
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private $oauth_access_token_secret;
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private $getfield;
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protected $oauth;
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public $url;
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public function __construct(array $settings)
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{
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if (!in_array('curl', get_loaded_extensions()))
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{
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throw new Exception('You need to install cURL, see: http://curl.haxx.se/docs/install.html');
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}
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if (!isset($settings['oauth_access_token'])
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|| !isset($settings['oauth_access_token_secret'])
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|| !isset($settings['consumer_key'])
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|| !isset($settings['consumer_secret']))
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{
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throw new Exception('Make sure you are passing in the correct parameters');
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}
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$this->oauth_access_token = $settings['oauth_access_token'];
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$this->oauth_access_token_secret = $settings['oauth_access_token_secret'];
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$this->consumer_key = $settings['consumer_key'];
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$this->consumer_secret = $settings['consumer_secret'];
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}
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public function setGetfield($string)
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{
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$search = array('#', ',', '+', ':');
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$replace = array('%23', '%2C', '%2B', '%3A');
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$string = str_replace($search, $replace, $string);
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$this->getfield = $string;
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return $this;
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}
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public function getGetfield()
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{
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return $this->getfield;
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}
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private function buildBaseString($baseURI, $method, $params)
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{
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$return = array();
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ksort($params);
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foreach($params as $key=>$value)
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{
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$return[] = "$key=" . $value;
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}
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return $method . "&" . rawurlencode($baseURI) . '&' . rawurlencode(implode('&', $return));
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}
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private function buildAuthorizationHeader($oauth)
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{
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$return = 'Authorization: OAuth ';
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$values = array();
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foreach($oauth as $key => $value)
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{
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$values[] = "$key=\"" . rawurlencode($value) . "\"";
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}
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$return .= implode(', ', $values);
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return $return;
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}
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public function buildOauth($url)
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{
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$consumer_key = $this->consumer_key;
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$consumer_secret = $this->consumer_secret;
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$oauth_access_token = $this->oauth_access_token;
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$oauth_access_token_secret = $this->oauth_access_token_secret;
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$oauth = array(
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'oauth_consumer_key' => $consumer_key,
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'oauth_nonce' => time(),
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'oauth_signature_method' => 'HMAC-SHA1',
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'oauth_token' => $oauth_access_token,
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'oauth_timestamp' => time(),
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'oauth_version' => '1.0'
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);
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$getfield = $this->getGetfield();
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if (!is_null($getfield))
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{
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$getfields = str_replace('?', '', explode('&', $getfield));
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foreach ($getfields as $g)
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{
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$split = explode('=', $g);
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$oauth[$split[0]] = $split[1];
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}
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}
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$base_info = $this->buildBaseString($url, 'GET', $oauth);
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$composite_key = rawurlencode($consumer_secret) . '&' . rawurlencode($oauth_access_token_secret);
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$oauth_signature = base64_encode(hash_hmac('sha1', $base_info, $composite_key, true));
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$oauth['oauth_signature'] = $oauth_signature;
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$this->url = $url;
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$this->oauth = $oauth;
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return $this;
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}
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public function performRequest($return = true)
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{
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if (!is_bool($return))
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{
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throw new Exception('performRequest parameter must be true or false');
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}
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$header = array($this->buildAuthorizationHeader($this->oauth), 'Expect:');
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$getfield = $this->getGetfield();
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$options = array(
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CURLOPT_HTTPHEADER => $header,
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CURLOPT_HEADER => false,
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CURLOPT_URL => $this->url,
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_SSL_VERIFYPEER => false
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);
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if ($getfield !== '')
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{
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$options[CURLOPT_URL] .= $getfield;
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}
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$feed = curl_init();
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curl_setopt_array($feed, $options);
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$json = curl_exec($feed);
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curl_close($feed);
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if ($return) { return $json; }
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}
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}
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}
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?>
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