--- /dev/null
+<?php
+
+/**
+ * Twitter-API-PHP : Simple PHP wrapper for the v1.1 API
+ *
+ * PHP version 5.3.10
+ *
+ * @category Awesomeness
+ * @package Twitter-API-PHP
+ * @author James Mallison <me@j7mbo.co.uk>
+ * @license MIT License
+ * @version 1.0.4
+ * @link http://github.com/j7mbo/twitter-api-php
+ */
+class TwitterAPIExchange
+{
+ /**
+ * @var string
+ */
+ private $oauth_access_token;
+
+ /**
+ * @var string
+ */
+ private $oauth_access_token_secret;
+
+ /**
+ * @var string
+ */
+ private $consumer_key;
+
+ /**
+ * @var string
+ */
+ private $consumer_secret;
+
+ /**
+ * @var array
+ */
+ private $postfields;
+
+ /**
+ * @var string
+ */
+ private $getfield;
+
+ /**
+ * @var mixed
+ */
+ protected $oauth;
+
+ /**
+ * @var string
+ */
+ public $url;
+
+ /**
+ * @var string
+ */
+ public $requestMethod;
+
+ /**
+ * Create the API access object. Requires an array of settings::
+ * oauth access token, oauth access token secret, consumer key, consumer secret
+ * These are all available by creating your own application on dev.twitter.com
+ * Requires the cURL library
+ *
+ * @throws \Exception When cURL isn't installed or incorrect settings parameters are provided
+ *
+ * @param array $settings
+ */
+ public function __construct(array $settings)
+ {
+ if (!in_array('curl', get_loaded_extensions()))
+ {
+ throw new Exception('You need to install cURL, see: http://curl.haxx.se/docs/install.html');
+ }
+
+ if (!isset($settings['oauth_access_token'])
+ || !isset($settings['oauth_access_token_secret'])
+ || !isset($settings['consumer_key'])
+ || !isset($settings['consumer_secret']))
+ {
+ throw new Exception('Make sure you are passing in the correct parameters');
+ }
+
+ $this->oauth_access_token = $settings['oauth_access_token'];
+ $this->oauth_access_token_secret = $settings['oauth_access_token_secret'];
+ $this->consumer_key = $settings['consumer_key'];
+ $this->consumer_secret = $settings['consumer_secret'];
+ }
+
+ /**
+ * Set postfields array, example: array('screen_name' => 'J7mbo')
+ *
+ * @param array $array Array of parameters to send to API
+ *
+ * @throws \Exception When you are trying to set both get and post fields
+ *
+ * @return TwitterAPIExchange Instance of self for method chaining
+ */
+ public function setPostfields(array $array)
+ {
+ if (!is_null($this->getGetfield()))
+ {
+ throw new Exception('You can only choose get OR post fields.');
+ }
+
+ if (isset($array['status']) && substr($array['status'], 0, 1) === '@')
+ {
+ $array['status'] = sprintf("\0%s", $array['status']);
+ }
+
+ foreach ($array as $key => &$value)
+ {
+ if (is_bool($value))
+ {
+ $value = ($value === true) ? 'true' : 'false';
+ }
+ }
+
+ $this->postfields = $array;
+
+ // rebuild oAuth
+ if (isset($this->oauth['oauth_signature'])) {
+ $this->buildOauth($this->url, $this->requestMethod);
+ }
+
+ return $this;
+ }
+
+ /**
+ * Set getfield string, example: '?screen_name=J7mbo'
+ *
+ * @param string $string Get key and value pairs as string
+ *
+ * @throws \Exception
+ *
+ * @return \TwitterAPIExchange Instance of self for method chaining
+ */
+ public function setGetfield($string)
+ {
+ if (!is_null($this->getPostfields()))
+ {
+ throw new Exception('You can only choose get OR post fields.');
+ }
+
+ $getfields = preg_replace('/^\?/', '', explode('&', $string));
+ $params = array();
+
+ foreach ($getfields as $field)
+ {
+ if ($field !== '')
+ {
+ list($key, $value) = explode('=', $field);
+ $params[$key] = $value;
+ }
+ }
+
+ $this->getfield = '?' . http_build_query($params);
+
+ return $this;
+ }
+
+ /**
+ * Get getfield string (simple getter)
+ *
+ * @return string $this->getfields
+ */
+ public function getGetfield()
+ {
+ return $this->getfield;
+ }
+
+ /**
+ * Get postfields array (simple getter)
+ *
+ * @return array $this->postfields
+ */
+ public function getPostfields()
+ {
+ return $this->postfields;
+ }
+
+ /**
+ * Build the Oauth object using params set in construct and additionals
+ * passed to this method. For v1.1, see: https://dev.twitter.com/docs/api/1.1
+ *
+ * @param string $url The API url to use. Example: https://api.twitter.com/1.1/search/tweets.json
+ * @param string $requestMethod Either POST or GET
+ *
+ * @throws \Exception
+ *
+ * @return \TwitterAPIExchange Instance of self for method chaining
+ */
+ public function buildOauth($url, $requestMethod)
+ {
+ if (!in_array(strtolower($requestMethod), array('post', 'get')))
+ {
+ throw new Exception('Request method must be either POST or GET');
+ }
+
+ $consumer_key = $this->consumer_key;
+ $consumer_secret = $this->consumer_secret;
+ $oauth_access_token = $this->oauth_access_token;
+ $oauth_access_token_secret = $this->oauth_access_token_secret;
+
+ $oauth = array(
+ 'oauth_consumer_key' => $consumer_key,
+ 'oauth_nonce' => time(),
+ 'oauth_signature_method' => 'HMAC-SHA1',
+ 'oauth_token' => $oauth_access_token,
+ 'oauth_timestamp' => time(),
+ 'oauth_version' => '1.0'
+ );
+
+ $getfield = $this->getGetfield();
+
+ if (!is_null($getfield))
+ {
+ $getfields = str_replace('?', '', explode('&', $getfield));
+
+ foreach ($getfields as $g)
+ {
+ $split = explode('=', $g);
+
+ /** In case a null is passed through **/
+ if (isset($split[1]))
+ {
+ $oauth[$split[0]] = urldecode($split[1]);
+ }
+ }
+ }
+
+ $postfields = $this->getPostfields();
+
+ if (!is_null($postfields)) {
+ foreach ($postfields as $key => $value) {
+ $oauth[$key] = $value;
+ }
+ }
+
+ $base_info = $this->buildBaseString($url, $requestMethod, $oauth);
+ $composite_key = rawurlencode($consumer_secret) . '&' . rawurlencode($oauth_access_token_secret);
+ $oauth_signature = base64_encode(hash_hmac('sha1', $base_info, $composite_key, true));
+ $oauth['oauth_signature'] = $oauth_signature;
+
+ $this->url = $url;
+ $this->requestMethod = $requestMethod;
+ $this->oauth = $oauth;
+
+ return $this;
+ }
+
+ /**
+ * Perform the actual data retrieval from the API
+ *
+ * @param boolean $return If true, returns data. This is left in for backward compatibility reasons
+ * @param array $curlOptions Additional Curl options for this request
+ *
+ * @throws \Exception
+ *
+ * @return string json If $return param is true, returns json data.
+ */
+ public function performRequest($return = true, $curlOptions = array())
+ {
+ if (!is_bool($return))
+ {
+ throw new Exception('performRequest parameter must be true or false');
+ }
+
+ $header = array($this->buildAuthorizationHeader($this->oauth), 'Expect:');
+
+ $getfield = $this->getGetfield();
+ $postfields = $this->getPostfields();
+
+ $options = array(
+ CURLOPT_HTTPHEADER => $header,
+ CURLOPT_HEADER => false,
+ CURLOPT_URL => $this->url,
+ CURLOPT_RETURNTRANSFER => true,
+ CURLOPT_TIMEOUT => 10,
+ ) + $curlOptions;
+
+ if (!is_null($postfields))
+ {
+ $options[CURLOPT_POSTFIELDS] = http_build_query($postfields);
+ }
+ else
+ {
+ if ($getfield !== '')
+ {
+ $options[CURLOPT_URL] .= $getfield;
+ }
+ }
+
+ $feed = curl_init();
+ curl_setopt_array($feed, $options);
+ $json = curl_exec($feed);
+
+ if (($error = curl_error($feed)) !== '')
+ {
+ curl_close($feed);
+
+ throw new \Exception($error);
+ }
+
+ curl_close($feed);
+
+ return $json;
+ }
+
+ /**
+ * Private method to generate the base string used by cURL
+ *
+ * @param string $baseURI
+ * @param string $method
+ * @param array $params
+ *
+ * @return string Built base string
+ */
+ private function buildBaseString($baseURI, $method, $params)
+ {
+ $return = array();
+ ksort($params);
+
+ foreach($params as $key => $value)
+ {
+ $return[] = rawurlencode($key) . '=' . rawurlencode($value);
+ }
+
+ return $method . "&" . rawurlencode($baseURI) . '&' . rawurlencode(implode('&', $return));
+ }
+
+ /**
+ * Private method to generate authorization header used by cURL
+ *
+ * @param array $oauth Array of oauth data generated by buildOauth()
+ *
+ * @return string $return Header used by cURL for request
+ */
+ private function buildAuthorizationHeader(array $oauth)
+ {
+ $return = 'Authorization: OAuth ';
+ $values = array();
+
+ foreach($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) . "\"";
+ }
+ }
+
+ $return .= implode(', ', $values);
+ return $return;
+ }
+
+ /**
+ * Helper method to perform our request
+ *
+ * @param string $url
+ * @param string $method
+ * @param string $data
+ * @param array $curlOptions
+ *
+ * @throws \Exception
+ *
+ * @return string The json response from the server
+ */
+ public function request($url, $method = 'get', $data = null, $curlOptions = array())
+ {
+ if (strtolower($method) === 'get')
+ {
+ $this->setGetfield($data);
+ }
+ else
+ {
+ $this->setPostfields($data);
+ }
+
+ return $this->buildOauth($url, $method)->performRequest(true, $curlOptions);
+ }
+}
projects / yaffs-website / blobdiff