/** Helper to get (distant) file content
*
* @param string file location
* @param float http timeout (optional, default to self::timeout 30s)
* @param integer starting offset (optional, default to null)
* @param integer content length (optional, default to null)
*
* @return string|boolean file content or false if error
*/
public static function file_GET_contents($file, $timeout = self::timeout, $offset = null, $length = null)
{
if (is_file($file) || ini_GET('allow_url_fopen')) {
$context = !is_file($file) && $timeout ? stream_context_create(array('http' => array('timeout' => $timeout))) : null;
return !is_null($offset) ? $length ? @file_GET_contents($file, false, $context, $offset, $length) : @file_GET_contents($file, false, $context, $offset) : @file_GET_contents($file, false, $context);
} elseif (!function_exists('curl_init')) {
return self::set_error(new Exception('Install CURL or enable "allow_url_fopen"'));
}
$handle = curl_init($file);
if ($timeout) {
curl_setopt($handle, CURLOPT_TIMEOUT, $timeout);
}
if ($offset || $length) {
curl_setopt($handle, CURLOPT_RANGE, $offset . '-' . ($length ? $offset + $length - 1 : null));
}
curl_setopt($handle, CURLOPT_RETURNTRANSFER, 1);
$content = curl_exec($handle);
$size = curl_GETinfo($handle, CURLINFO_CONTENT_LENGTH_DOWNLOAD);
curl_close($handle);
return $offset && $size == -1 || $length && $length != $size ? $length ? substr($content, $offset, $length) : substr($content, $offset) : $content;
}
/**
* ˽�з���:ִ����������
*
* @param string $method :HTTP����ʽ
* @param string $url :�����URL
* @param array $params ������IJ���
* @param array $uploadFile :�ϴ����ļ�(ֻ��POSTʱ����Ч)
* @param array $referer :����ҳ��
*
* @return ����:false ��ȷ����:�������
*/
private function _request($method, $url, $params = array(), $uploadFile = array(), $referer = '')
{
//�������GET��ʽ������Ҫ���ӵ�URL����
if ($method == 'GET') {
$url = $this->_parseUrl($url, $params);
}
//���������URL
curl_setopt($this->ch, CURLOPT_URL, $url);
curl_setopt($this->ch, CURLOPT_HTTPHEADER, $this->header);
//����������ҳ,�����Զ�����
if ($referer) {
curl_setopt($this->ch, CURLOPT_REFERER, $referer);
} else {
curl_setopt($this->ch, CURLOPT_AUTOREFERER, true);
}
curl_setopt($this->ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.3 Safari/537.36");
$urlInfo = parse_url($url);
$cookieJar = "/tmp/cookie_{$urlInfo['host']}";
curl_setopt($this->ch, CURLOPT_COOKIEJAR, $cookieJar);
//�����POST
if ($method == 'POST') {
//����һ�������POST��������Ϊ��application/x-www-form-urlencoded
curl_setopt($this->ch, CURLOPT_POST, true);
//����POST�ֶ�ֵ
$postData = $this->_parsmEncode($params, false);
//������ϴ��ļ�
if ($uploadFile) {
foreach ($uploadFile as $key => $file) {
if (is_array($file)) {
$n = 0;
foreach ($file as $f) {
//�ļ������Ǿ��·��
$postData[$key . '[' . $n++ . ']'] = '@' . realpath($f);
}
} else {
$postData[$key] = '@' . realpath($file);
}
}
}
//pr($postData); die;
curl_setopt($this->ch, CURLOPT_POSTFIELDS, $postData);
}
//�õ��������õ���Ϣ
$this->info['before'] = curl_GETinfo($this->ch);
//��ʼִ������
$result = curl_exec($this->ch);
//�õ�����ͷ
$headerSize = curl_GETinfo($this->ch, CURLINFO_HEADER_SIZE);
$this->info['header'] = substr($result, 0, $headerSize);
//ȥ������ͷ
$result = substr($result, $headerSize);
//�õ����а������������ص���Ϣ
$this->info['after'] = curl_GETinfo($this->ch);
//�������ɹ�
if ($this->getErrCode() == 0) {
//&& $this->info['after']['http_code'] == 200
return $result;
} else {
return false;
}
}
