/**
* Scan driver can decide about correct input data. If scan driver detect
* not valid input source, scanning can be refused.
* @return bool
*/
public function validate()
{
foreach ($this->ignoredExtensions as $ext) {
if (Strings::endsWith(strtolower($this->url), $ext)) {
return false;
}
}
return true;
}
/**
* Scan one url for links ands update scanned and not scanned links.
* @param IScanDriver $site
* @param $startPage
*/
protected function scanUrl(IScanDriver $site, $startPage)
{
if (!$site->validate()) {
return;
}
$content = $site->getContent($site);
/** @var \simple_html_dom $simpleDom */
$simpleDom = HtmlDomParser::str_get_html($content);
/** @var \simple_html_dom_node[] $links */
$links = $simpleDom->find("a");
foreach ($links as $link) {
$siteUrl = $link->getAttribute("href");
if (!$siteUrl) {
continue;
}
$siteUrl = str_replace($startPage, '', $siteUrl);
if (!Strings::startsWith($siteUrl, '/')) {
continue;
}
$siteUrl = str_replace($site->getUrl(), "", $siteUrl);
$siteUrl = rtrim($siteUrl, "/");
$newSite = $site::fromUrl($startPage . $siteUrl);
if (isset($this->scannedUrls[$newSite->getUrl()])) {
continue;
}
$this->unscannedUrls[$newSite->getUrl()] = $newSite;
}
$this->scannedUrls[$site->getUrl()] = $site;
unset($this->unscannedUrls[$site->getUrl()]);
}
