/**
* Processes a HTTP response
*
* This extracts response code, headers, cookies and decodes body if it
* was encoded in some way
*
* @access public
* @param bool Whether to store response body in object property, set
* this to false if downloading a LARGE file and using a Listener.
* This is assumed to be true if body is gzip-encoded.
* @param bool Whether the response can actually have a message-body.
* Will be set to false for HEAD requests.
* @throws PEAR_Error
* @return mixed true on success, PEAR_Error in case of malformed response
*/
function process($saveBody = true, $canHaveBody = true)
{
do {
$line = $this->_sock->readLine();
if (sscanf($line, 'HTTP/%s %s', $http_version, $returncode) != 2) {
return PEAR::raiseError('Malformed response', HTTP_REQUEST_ERROR_RESPONSE);
} else {
$this->_protocol = 'HTTP/' . $http_version;
$this->_code = intval($returncode);
}
while ('' !== ($header = $this->_sock->readLine())) {
$this->_processHeader($header);
}
} while (100 == $this->_code);
$this->_notify('gotHeaders', $this->_headers);
// RFC 2616, section 4.4:
// 1. Any response message which "MUST NOT" include a message-body ...
// is always terminated by the first empty line after the header fields
// 3. ... If a message is received with both a
// Transfer-Encoding header field and a Content-Length header field,
// the latter MUST be ignored.
$canHaveBody = $canHaveBody && $this->_code >= 200 &&
$this->_code != 204 && $this->_code != 304;
// If response body is present, read it and decode
$chunked = isset($this->_headers['transfer-encoding']) && ('chunked' == $this->_headers['transfer-encoding']);
$gzipped = isset($this->_headers['content-encoding']) && ('gzip' == $this->_headers['content-encoding']);
$hasBody = false;
if ($canHaveBody && ($chunked || !isset($this->_headers['content-length']) ||
0 != $this->_headers['content-length']))
{
if ($chunked || !isset($this->_headers['content-length'])) {
$this->_toRead = null;
} else {
$this->_toRead = $this->_headers['content-length'];
}
while (!$this->_sock->eof() && (is_null($this->_toRead) || 0 < $this->_toRead)) {
if ($chunked) {
$data = $this->_readChunked();
} elseif (is_null($this->_toRead)) {
$data = $this->_sock->read(4096);
} else {
$data = $this->_sock->read(min(4096, $this->_toRead));
$this->_toRead -= HTTP_REQUEST_MBSTRING? mb_strlen($data, 'iso-8859-1'): strlen($data);
}
if ('' == $data) {
break;
} else {
$hasBody = true;
if ($saveBody || $gzipped) {
$this->_body .= $data;
}
$this->_notify($gzipped? 'gzTick': 'tick', $data);
}
}
}
if ($hasBody) {
// Uncompress the body if needed
if ($gzipped) {
$body = $this->_decodeGzip($this->_body);
if (PEAR::isError($body)) {
return $body;
}
$this->_body = $body;
$this->_notify('gotBody', $this->_body);
} else {
$this->_notify('gotBody');
}
}
return true;
}
/**
* @brief
* @param string $data_file Saveするファイルのパス
* @param string $url データのURL
* @retval bool
*/
function fetchTgzFile($data_file, $url)
{
/* exec('which wget || which curl', $which, $status);
$command = strpos($which[0], 'wget')!==false
? sprintf('%s -O %s %s', $which[0], $data_file, $_url)
: sprintf('%s -o %s %s', $which[0], $data_file, $_url);
exec($command, $result, $status);
return $status === 0;
*/
if ($fp = fopen($data_file, 'w')) {
$url = parse_url($url);
if (isset($url['port']) && $url['port']) {
$port = $url['port'];
} else {
$port = $url['scheme'] == 'https' ? '443' : '80';
}
$path = isset($url['path']) && $url['path'] ? $url['path'] : '/';
$path .= isset($url['query']) && $url['query'] ? $url['query'] : '';
require_once 'Net/Socket.php';
$sock = new Net_Socket();
$connect = $sock->connect($url['host'], $port);
if ($connect) {
$sock->writeLine("GET {$path} HTTP/1.1");
$sock->writeLine("Host: " . $url['host']);
$sock->writeLine("User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; ja; rv:1.9.0.7) Gecko/2009021910 Firefox/3.0.7 (.NET CLR 3.5.30729)");
$sock->writeLine("Keep-Alive: 1000");
$sock->writeLine("Connection: keep-alive");
$sock->writeLine("");
$null_line = false;
while (!$sock->eof()) {
if ($null_line === false) {
$_sock_d = $sock->readLine();
if ($_sock_d == "") {
$null_line = true;
}
}
if ($null_line === true) {
$_sock_d = $sock->read(1024);
fputs($fp, $_sock_d);
}
}
$sock->disconnect();
}
fclose($fp);
return true;
}
return false;
}
