/**
* Launch a google Search
* @param string $searchTerm the string to search. Or if not specified will take the given with ->searchTerm($search)
* @param array $options Options for the query . available options :
* + proxy : a proxyDefinition item to proxyfy the request
* +
* +
*
* @return GoogleDOM the Google DOMDocument
* @throws Exception
* @throws \GoogleUrl\CaptachaException google detected us as a bot
*/
public function search($searchTerm = null, \GoogleUrl\SimpleProxyInterface $proxy = null)
{
/**======================
* CHANGE SEARCH IF NEEDED
========================*/
if (null !== $searchTerm) {
$this->searchTerm($searchTerm);
} else {
if (!strlen($this->param("q")) > 0) {
throw new Exception("Nothing to Search");
}
}
/**=========
* INIT CURL
=========*/
$c = new \GoogleUrl\Curl();
$c->url = $this->__toString();
/**==========
* DO HEADERS
===========*/
// let's be redirected if needed
$c->followLocation();
// use a true user agent, maybe better for true results
$c->useragent = $this->userAgent;
// use other headers
// accept-langage to make sure google use the same language as asked
$header[] = "Accept-Language: " . $this->acceptLangage;
$c->HTTPHEADER = $header;
/**=========
* SET PROXY
=========*/
if ($proxy) {
$c->proxy = $proxy->getIp();
$c->proxyport = $proxy->getPort();
$login = $proxy->getLogin();
if ($login) {
$auth = $login;
$psw = $proxy->getPassword();
if ($psw) {
$auth .= ":" . $psw;
}
$c->proxyuserpwd = $auth;
}
$proxyType = $proxy->getProxyType();
$c->proxytype = $proxyType ? $proxyType : "http";
}
/**========
* EXECUTE
=========*/
$r = $c->exec();
if (false === $r) {
$errno = $c->errno();
if (CURLE_COULDNT_RESOLVE_PROXY == $errno) {
throw new \GoogleUrl\Exception\ProxyException("HTTP query failled [curl-error : {$errno} - " . $c->error() . " ] for the following URL : " . $this);
} else {
throw new \GoogleUrl\Exception\CurlException("HTTP query failled [curl-error : {$errno} - " . $c->error() . " ] for the following URL : " . $this);
}
}
/**===============
* CREATE DOCUMENT
================*/
$doc = new GoogleDOM($this->param("q"), $this->getUrl(), $this->getPage(), $this->param(self::PARAM_NBRESULTS));
libxml_use_internal_errors(TRUE);
$doc->loadHTML($r);
libxml_use_internal_errors(FALSE);
libxml_clear_errors();
if ($doc->isCaptcha()) {
throw new \GoogleUrl\Exception\CaptachaException();
}
return $doc;
}
public static function fromSimpleProxy(\GoogleUrl\SimpleProxyInterface $proxy, $lastRun = 0, $nextDelay = 0, $delayCount = 0, $locked = false)
{
return new static($proxy->getIp(), $proxy->getPort(), $proxy->getLogin(), $proxy->getPassword(), $proxy->getProxyType(), $lastRun, $nextDelay, $delayCount, $locked);
}
/**
* returns the proxy string identifier
*/
private function __id(\GoogleUrl\SimpleProxyInterface $proxy)
{
return $proxy->getIp() . ":" . $proxy->getPort();
}
