/**
* Get a curl instance for the file to initiate download, if url exists.
*
* @param File $downloadFile
* @return Curl
*/
public function setCurlForFile(File &$downloadFile)
{
$urlInfo = $this->infoFromURL($downloadFile->getUrl());
if ($urlInfo->isSuccessful()) {
$downloadFile->setInfo($urlInfo);
$fileSize = null;
if (file_exists($downloadFile->getDestination())) {
$fileSize = $this->getLocalFileSize($downloadFile->getDestination());
if (!$downloadFile->getOverwrite() && $fileSize >= $urlInfo->info->CONTENT_LENGTH_DOWNLOAD) {
return true;
}
}
$curl = new Curl($downloadFile->getUrl());
$curl->options->SSL_VERIFYPEER = false;
$curl->options->FOLLOWLOCATION = true;
$curl->options->RETURNTRANSFER = false;
$curl->options->CONNECTTIMEOUT = $this->connectTimeout;
$curl->options->TIMEOUT = $this->curlTimeout;
if (!$downloadFile->getOverwrite() && file_exists($downloadFile->getDestination()) && $urlInfo->headers->acceptRanges == 'bytes') {
$curl->options->FILE = fopen($downloadFile->getDestination(), 'a');
$curl->options->RESUME_FROM = $fileSize;
$this->logMessage("Resuming {$downloadFile->getUrl()} From {$fileSize} Bytes");
} else {
$curl->options->FILE = fopen($downloadFile->getDestination(), 'w');
}
if ($this->cookiePath && $this->cookieFile) {
$this->cookieFile = $this->cookiePath . "{$this->cookieFile}";
$curl->options->COOKIEFILE = $this->cookieFile;
$curl->options->COOKIEJAR = $this->cookieFile;
}
$headers = array('DNT: 1');
$curl->options->HTTPHEADER = $headers;
$downloadFile->setCurl($curl);
return true;
} else {
if ($urlInfo->isForbidden()) {
//Forbidden
throw new Exception("Forbidden Access to the URL.");
} else {
throw new Exception("General Failure to access the URL.");
}
}
return false;
}
