+
+function twitter_is_retweet($a, $uid, $body) {
+ $body = trim($body);
+
+ // Skip if it isn't a pure repeated messages
+ // Does it start with a share?
+ if (strpos($body, "[share") > 0)
+ return(false);
+
+ // Does it end with a share?
+ if (strlen($body) > (strrpos($body, "[/share]") + 8))
+ return(false);
+
+ $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
+ // Skip if there is no shared message in there
+ if ($body == $attributes)
+ return(false);
+
+ $link = "";
+ preg_match("/link='(.*?)'/ism", $attributes, $matches);
+ if ($matches[1] != "")
+ $link = $matches[1];
+
+ preg_match('/link="(.*?)"/ism', $attributes, $matches);
+ if ($matches[1] != "")
+ $link = $matches[1];
+
+ $id = preg_replace("=https?://twitter.com/(.*)/status/(.*)=ism", "$2", $link);
+ if ($id == $link)
+ return(false);
+
+ logger('twitter_is_retweet: Retweeting id '.$id.' for user '.$uid, LOGGER_DEBUG);
+
+ $ckey = get_config('twitter', 'consumerkey');
+ $csecret = get_config('twitter', 'consumersecret');
+ $otoken = get_pconfig($uid, 'twitter', 'oauthtoken');
+ $osecret = get_pconfig($uid, 'twitter', 'oauthsecret');
+
+ require_once('library/twitteroauth.php');
+ $connection = new TwitterOAuth($ckey,$csecret,$otoken,$osecret);
+
+ $result = $connection->post('statuses/retweet/'.$id);
+
+ return(!isset($result->errors));
+}
+