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/**
* Socket-based adapter for HTTP_Request2
*
* PHP version 5
*
* LICENSE
*
* This source file is subject to BSD 3-Clause License that is bundled
* with this package in the file LICENSE and available at the URL
* https://raw.github.com/pear/HTTP_Request2/trunk/docs/LICENSE
*
* @category HTTP
* @package HTTP_Request2
* @author Alexey Borzov <avb@php.net>
* @copyright 2008-2014 Alexey Borzov <avb@php.net>
* @license http://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
* @link http://pear.php.net/package/HTTP_Request2
*/
/** Base class for HTTP_Request2 adapters */
require_once 'HTTP/Request2/Adapter.php';
/** Socket wrapper class */
require_once 'HTTP/Request2/SocketWrapper.php';
/**
* Socket-based adapter for HTTP_Request2
*
* This adapter uses only PHP sockets and will work on almost any PHP
* environment. Code is based on original HTTP_Request PEAR package.
*
* @category HTTP
* @package HTTP_Request2
* @author Alexey Borzov <avb@php.net>
* @license http://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
* @version Release: 2.2.1
* @link http://pear.php.net/package/HTTP_Request2
*/
class HTTP_Request2_Adapter_Socket extends HTTP_Request2_Adapter
{
/**
* Regular expression for 'token' rule from RFC 2616
*/
const REGEXP_TOKEN = '[^\x00-\x1f\x7f-\xff()<>@,;:\\\\"/\[\]?={}\s]+';
/**
* Regular expression for 'quoted-string' rule from RFC 2616
*/
const REGEXP_QUOTED_STRING = '"(?>[^"\\\\]+|\\\\.)*"';
/**
* Connected sockets, needed for Keep-Alive support
* @var array
* @see connect()
*/
protected static $sockets = array();
/**
* Data for digest authentication scheme
*
* The keys for the array are URL prefixes.
*
* The values are associative arrays with data (realm, nonce, nonce-count,
* opaque...) needed for digest authentication. Stored here to prevent making
* duplicate requests to digest-protected resources after we have already
* received the challenge.
*
* @var array
*/
protected static $challenges = array();
/**
* Connected socket
* @var HTTP_Request2_SocketWrapper
* @see connect()
*/
protected $socket;
/**
* Challenge used for server digest authentication
* @var array
*/
protected $serverChallenge;
/**
* Challenge used for proxy digest authentication
* @var array
*/
protected $proxyChallenge;
/**
* Remaining length of the current chunk, when reading chunked response
* @var integer
* @see readChunked()
*/
protected $chunkLength = 0;
/**
* Remaining amount of redirections to follow
*
* Starts at 'max_redirects' configuration parameter and is reduced on each
* subsequent redirect. An Exception will be thrown once it reaches zero.
*
* @var integer
*/
protected $redirectCountdown = null;
/**
* Whether to wait for "100 Continue" response before sending request body
* @var bool
*/
protected $expect100Continue = false;
/**
* Sends request to the remote server and returns its response
*
* @param HTTP_Request2 $request HTTP request message
*
* @return HTTP_Request2_Response
* @throws HTTP_Request2_Exception
*/
public function sendRequest(HTTP_Request2 $request)
{
$this->request = $request;
try {
$keepAlive = $this->connect();
$headers = $this->prepareHeaders();
$this->socket->write($headers);
// provide request headers to the observer, see request #7633
$this->request->setLastEvent('sentHeaders', $headers);
if (!$this->expect100Continue) {
$this->writeBody();
$response = $this->readResponse();
} else {
$response = $this->readResponse();
if (!$response || 100 == $response->getStatus()) {
$this->expect100Continue = false;
// either got "100 Continue" or timed out -> send body
$this->writeBody();
$response = $this->readResponse();
}
}
if ($jar = $request->getCookieJar()) {
$jar->addCookiesFromResponse($response, $request->getUrl());
}
if (!$this->canKeepAlive($keepAlive, $response)) {
$this->disconnect();
}
if ($this->shouldUseProxyDigestAuth($response)) {
return $this->sendRequest($request);
}
if ($this->shouldUseServerDigestAuth($response)) {
return $this->sendRequest($request);
}
if ($authInfo = $response->getHeader('authentication-info')) {
$this->updateChallenge($this->serverChallenge, $authInfo);
}
if ($proxyInfo = $response->getHeader('proxy-authentication-info')) {
$this->updateChallenge($this->proxyChallenge, $proxyInfo);
}
} catch (Exception $e) {
$this->disconnect();
}
unset($this->request, $this->requestBody);
if (!empty($e)) {
$this->redirectCountdown = null;
throw $e;
}
if (!$request->getConfig('follow_redirects') || !$response->isRedirect()) {
$this->redirectCountdown = null;
return $response;
} else {
return $this->handleRedirect($request, $response);
}
}
/**
* Connects to the remote server
*
* @return bool whether the connection can be persistent
* @throws HTTP_Request2_Exception
*/
protected function connect()
{
$secure = 0 == strcasecmp($this->request->getUrl()->getScheme(), 'https');
$tunnel = HTTP_Request2::METHOD_CONNECT == $this->request->getMethod();
$headers = $this->request->getHeaders();
$reqHost = $this->request->getUrl()->getHost();
if (!($reqPort = $this->request->getUrl()->getPort())) {
$reqPort = $secure? 443: 80;
}
$httpProxy = $socksProxy = false;
if (!($host = $this->request->getConfig('proxy_host'))) {
$host = $reqHost;
$port = $reqPort;
} else {
if (!($port = $this->request->getConfig('proxy_port'))) {
throw new HTTP_Request2_LogicException(
'Proxy port not provided',
HTTP_Request2_Exception::MISSING_VALUE
);
}
if ('http' == ($type = $this->request->getConfig('proxy_type'))) {
$httpProxy = true;
} elseif ('socks5' == $type) {
$socksProxy = true;
} else {
throw new HTTP_Request2_NotImplementedException(
"Proxy type '{$type}' is not supported"
);
}
}
if ($tunnel && !$httpProxy) {
throw new HTTP_Request2_LogicException(
"Trying to perform CONNECT request without proxy",
HTTP_Request2_Exception::MISSING_VALUE
);
}
if ($secure && !in_array('ssl', stream_get_transports())) {
throw new HTTP_Request2_LogicException(
'Need OpenSSL support for https:// requests',
HTTP_Request2_Exception::MISCONFIGURATION
);
}
// RFC 2068, section 19.7.1: A client MUST NOT send the Keep-Alive
// connection token to a proxy server...
if ($httpProxy && !$secure && !empty($headers['connection'])
&& 'Keep-Alive' == $headers['connection']
) {
$this->request->setHeader('connection');
}
$keepAlive = ('1.1' == $this->request->getConfig('protocol_version') &&
empty($headers['connection'])) ||
(!empty($headers['connection']) &&
'Keep-Alive' == $headers['connection']);
$options = array();
if ($ip = $this->request->getConfig('local_ip')) {
$options['socket'] = array(
'bindto' => (false === strpos($ip, ':') ? $ip : '[' . $ip . ']') . ':0'
);
}
if ($secure || $tunnel) {
$options['ssl'] = array();
foreach ($this->request->getConfig() as $name => $value) {
if ('ssl_' == substr($name, 0, 4) && null !== $value) {
if ('ssl_verify_host' == $name) {
if ($value) {
$options['ssl']['CN_match'] = $reqHost;
}
} else {
$options['ssl'][substr($name, 4)] = $value;
}
}
}
ksort($options['ssl']);
}
// Use global request timeout if given, see feature requests #5735, #8964
if ($timeout = $this->request->getConfig('timeout')) {
$deadline = time() + $timeout;
} else {
$deadline = null;
}
// Changing SSL context options after connection is established does *not*
// work, we need a new connection if options change
$remote = ((!$secure || $httpProxy || $socksProxy)? 'tcp://': 'ssl://')
. $host . ':' . $port;
$socketKey = $remote . (
($secure && $httpProxy || $socksProxy)
? "->{$reqHost}:{$reqPort}" : ''
) . (empty($options)? '': ':' . serialize($options));
unset($this->socket);
// We use persistent connections and have a connected socket?
// Ensure that the socket is still connected, see bug #16149
if ($keepAlive && !empty(self::$sockets[$socketKey])
&& !self::$sockets[$socketKey]->eof()
) {
$this->socket =& self::$sockets[$socketKey];
} else {
if ($socksProxy) {
require_once 'HTTP/Request2/SOCKS5.php';
$this->socket = new HTTP_Request2_SOCKS5(
$remote, $this->request->getConfig('connect_timeout'),
$options, $this->request->getConfig('proxy_user'),
$this->request->getConfig('proxy_password')
);
// handle request timeouts ASAP
$this->socket->setDeadline($deadline, $this->request->getConfig('timeout'));
$this->socket->connect($reqHost, $reqPort);
if (!$secure) {
$conninfo = "tcp://{$reqHost}:{$reqPort} via {$remote}";
} else {
$this->socket->enableCrypto();
$conninfo = "ssl://{$reqHost}:{$reqPort} via {$remote}";
}
} elseif ($secure && $httpProxy && !$tunnel) {
$this->establishTunnel();
$conninfo = "ssl://{$reqHost}:{$reqPort} via {$remote}";
} else {
$this->socket = new HTTP_Request2_SocketWrapper(
$remote, $this->request->getConfig('connect_timeout'), $options
);
}
$this->request->setLastEvent('connect', empty($conninfo)? $remote: $conninfo);
self::$sockets[$socketKey] =& $this->socket;
}
$this->socket->setDeadline($deadline, $this->request->getConfig('timeout'));
return $keepAlive;
}
/**
* Establishes a tunnel to a secure remote server via HTTP CONNECT request
*
* This method will fail if 'ssl_verify_peer' is enabled. Probably because PHP
* sees that we are connected to a proxy server (duh!) rather than the server
* that presents its certificate.
*
* @link http://tools.ietf.org/html/rfc2817#section-5.2
* @throws HTTP_Request2_Exception
*/
protected function establishTunnel()
{
$donor = new self;
$connect = new HTTP_Request2(
$this->request->getUrl(), HTTP_Request2::METHOD_CONNECT,
array_merge($this->request->getConfig(), array('adapter' => $donor))
);
$response = $connect->send();
// Need any successful (2XX) response
if (200 > $response->getStatus() || 300 <= $response->getStatus()) {
throw new HTTP_Request2_ConnectionException(
'Failed to connect via HTTPS proxy. Proxy response: ' .
$response->getStatus() . ' ' . $response->getReasonPhrase()
);
}
$this->socket = $donor->socket;
$this->socket->enableCrypto();
}
/**
* Checks whether current connection may be reused or should be closed
*
* @param boolean $requestKeepAlive whether connection could
* be persistent in the first place
* @param HTTP_Request2_Response $response response object to check
*
* @return boolean
*/
protected function canKeepAlive($requestKeepAlive, HTTP_Request2_Response $response)
{
// Do not close socket on successful CONNECT request
if (HTTP_Request2::METHOD_CONNECT == $this->request->getMethod()
&& 200 <= $response->getStatus() && 300 > $response->getStatus()
) {
return true;
}
$lengthKnown = 'chunked' == strtolower($response->getHeader('transfer-encoding'))
|| null !== $response->getHeader('content-length')
// no body possible for such responses, see also request #17031
|| HTTP_Request2::METHOD_HEAD == $this->request->getMethod()
|| in_array($response->getStatus(), array(204, 304));
$persistent = 'keep-alive' == strtolower($response->getHeader('connection')) ||
(null === $response->getHeader('connection') &&
'1.1' == $response->getVersion());
return $requestKeepAlive && $lengthKnown && $persistent;
}
/**
* Disconnects from the remote server
*/
protected function disconnect()
{
if (!empty($this->socket)) {
$this->socket = null;
$this->request->setLastEvent('disconnect');
}
}
/**
* Handles HTTP redirection
*
* This method will throw an Exception if redirect to a non-HTTP(S) location
* is attempted, also if number of redirects performed already is equal to
* 'max_redirects' configuration parameter.
*
* @param HTTP_Request2 $request Original request
* @param HTTP_Request2_Response $response Response containing redirect
*
* @return HTTP_Request2_Response Response from a new location
* @throws HTTP_Request2_Exception
*/
protected function handleRedirect(
HTTP_Request2 $request, HTTP_Request2_Response $response
) {
if (is_null($this->redirectCountdown)) {
$this->redirectCountdown = $request->getConfig('max_redirects');
}
if (0 == $this->redirectCountdown) {
$this->redirectCountdown = null;
// Copying cURL behaviour
throw new HTTP_Request2_MessageException(
'Maximum (' . $request->getConfig('max_redirects') . ') redirects followed',
HTTP_Request2_Exception::TOO_MANY_REDIRECTS
);
}
$redirectUrl = new Net_URL2(
$response->getHeader('location'),
array(Net_URL2::OPTION_USE_BRACKETS => $request->getConfig('use_brackets'))
);
// refuse non-HTTP redirect
if ($redirectUrl->isAbsolute()
&& !in_array($redirectUrl->getScheme(), array('http', 'https'))
) {
$this->redirectCountdown = null;
throw new HTTP_Request2_MessageException(
'Refusing to redirect to a non-HTTP URL ' . $redirectUrl->__toString(),
HTTP_Request2_Exception::NON_HTTP_REDIRECT
);
}
// Theoretically URL should be absolute (see http://tools.ietf.org/html/rfc2616#section-14.30),
// but in practice it is often not
if (!$redirectUrl->isAbsolute()) {
$redirectUrl = $request->getUrl()->resolve($redirectUrl);
}
$redirect = clone $request;
$redirect->setUrl($redirectUrl);
if (303 == $response->getStatus()
|| (!$request->getConfig('strict_redirects')
&& in_array($response->getStatus(), array(301, 302)))
) {
$redirect->setMethod(HTTP_Request2::METHOD_GET);
$redirect->setBody('');
}
if (0 < $this->redirectCountdown) {
$this->redirectCountdown--;
}
return $this->sendRequest($redirect);
}
/**
* Checks whether another request should be performed with server digest auth
*
* Several conditions should be satisfied for it to return true:
* - response status should be 401
* - auth credentials should be set in the request object
* - response should contain WWW-Authenticate header with digest challenge
* - there is either no challenge stored for this URL or new challenge
* contains stale=true parameter (in other case we probably just failed
* due to invalid username / password)
*
* The method stores challenge values in $challenges static property
*
* @param HTTP_Request2_Response $response response to check
*
* @return boolean whether another request should be performed
* @throws HTTP_Request2_Exception in case of unsupported challenge parameters
*/
protected function shouldUseServerDigestAuth(HTTP_Request2_Response $response)
{
// no sense repeating a request if we don't have credentials
if (401 != $response->getStatus() || !$this->request->getAuth()) {
return false;
}
if (!$challenge = $this->parseDigestChallenge($response->getHeader('www-authenticate'))) {
return false;
}
$url = $this->request->getUrl();
$scheme = $url->getScheme();
$host = $scheme . '://' . $url->getHost();
if ($port = $url->getPort()) {
if ((0 == strcasecmp($scheme, 'http') && 80 != $port)
|| (0 == strcasecmp($scheme, 'https') && 443 != $port)
) {
$host .= ':' . $port;
}
}
if (!empty($challenge['domain'])) {
$prefixes = array();
foreach (preg_split('/\\s+/', $challenge['domain']) as $prefix) {
// don't bother with different servers
if ('/' == substr($prefix, 0, 1)) {
$prefixes[] = $host . $prefix;
}
}
}
if (empty($prefixes)) {
$prefixes = array($host . '/');
}
$ret = true;
foreach ($prefixes as $prefix) {
if (!empty(self::$challenges[$prefix])
&& (empty($challenge['stale']) || strcasecmp('true', $challenge['stale']))
) {
// probably credentials are invalid
$ret = false;
}
self::$challenges[$prefix] =& $challenge;
}
return $ret;
}
/**
* Checks whether another request should be performed with proxy digest auth
*
* Several conditions should be satisfied for it to return true:
* - response status should be 407
* - proxy auth credentials should be set in the request object
* - response should contain Proxy-Authenticate header with digest challenge
* - there is either no challenge stored for this proxy or new challenge
* contains stale=true parameter (in other case we probably just failed
* due to invalid username / password)
*
* The method stores challenge values in $challenges static property
*
* @param HTTP_Request2_Response $response response to check
*
* @return boolean whether another request should be performed
* @throws HTTP_Request2_Exception in case of unsupported challenge parameters
*/
protected function shouldUseProxyDigestAuth(HTTP_Request2_Response $response)
{
if (407 != $response->getStatus() || !$this->request->getConfig('proxy_user')) {
return false;
}
if (!($challenge = $this->parseDigestChallenge($response->getHeader('proxy-authenticate')))) {
return false;
}
$key = 'proxy://' . $this->request->getConfig('proxy_host') .
':' . $this->request->getConfig('proxy_port');
if (!empty(self::$challenges[$key])
&& (empty($challenge['stale']) || strcasecmp('true', $challenge['stale']))
) {
$ret = false;
} else {
$ret = true;
}
self::$challenges[$key] = $challenge;
return $ret;
}
/**
* Extracts digest method challenge from (WWW|Proxy)-Authenticate header value
*
* There is a problem with implementation of RFC 2617: several of the parameters
* are defined as quoted-string there and thus may contain backslash escaped
* double quotes (RFC 2616, section 2.2). However, RFC 2617 defines unq(X) as
* just value of quoted-string X without surrounding quotes, it doesn't speak
* about removing backslash escaping.
*
* Now realm parameter is user-defined and human-readable, strange things
* happen when it contains quotes:
* - Apache allows quotes in realm, but apparently uses realm value without
* backslashes for digest computation
* - Squid allows (manually escaped) quotes there, but it is impossible to
* authorize with either escaped or unescaped quotes used in digest,
* probably it can't parse the response (?)
* - Both IE and Firefox display realm value with backslashes in
* the password popup and apparently use the same value for digest
*
* HTTP_Request2 follows IE and Firefox (and hopefully RFC 2617) in
* quoted-string handling, unfortunately that means failure to authorize
* sometimes
*
* @param string $headerValue value of WWW-Authenticate or Proxy-Authenticate header
*
* @return mixed associative array with challenge parameters, false if
* no challenge is present in header value
* @throws HTTP_Request2_NotImplementedException in case of unsupported challenge parameters
*/
protected function parseDigestChallenge($headerValue)
{
$authParam = '(' . self::REGEXP_TOKEN . ')\\s*=\\s*(' .
self::REGEXP_TOKEN . '|' . self::REGEXP_QUOTED_STRING . ')';
$challenge = "!(?<=^|\\s|,)Digest ({$authParam}\\s*(,\\s*|$))+!";
if (!preg_match($challenge, $headerValue, $matches)) {
return false;
}
preg_match_all('!' . $authParam . '!', $matches[0], $params);
$paramsAry = array();
$knownParams = array('realm', 'domain', 'nonce', 'opaque', 'stale',
'algorithm', 'qop');
for ($i = 0; $i < count($params[0]); $i++) {
// section 3.2.1: Any unrecognized directive MUST be ignored.
if (in_array($params[1][$i], $knownParams)) {
if ('"' == substr($params[2][$i], 0, 1)) {
$paramsAry[$params[1][$i]] = substr($params[2][$i], 1, -1);
} else {
$paramsAry[$params[1][$i]] = $params[2][$i];
}
}
}
// we only support qop=auth
if (!empty($paramsAry['qop'])
&& !in_array('auth', array_map('trim', explode(',', $paramsAry['qop'])))
) {
throw new HTTP_Request2_NotImplementedException(
"Only 'auth' qop is currently supported in digest authentication, " .
"server requested '{$paramsAry['qop']}'"
);
}
// we only support algorithm=MD5
if (!empty($paramsAry['algorithm']) && 'MD5' != $paramsAry['algorithm']) {
throw new HTTP_Request2_NotImplementedException(
"Only 'MD5' algorithm is currently supported in digest authentication, " .
"server requested '{$paramsAry['algorithm']}'"
);
}
return $paramsAry;
}
/**
* Parses [Proxy-]Authentication-Info header value and updates challenge
*
* @param array &$challenge challenge to update
* @param string $headerValue value of [Proxy-]Authentication-Info header
*
* @todo validate server rspauth response
*/
protected function updateChallenge(&$challenge, $headerValue)
{
$authParam = '!(' . self::REGEXP_TOKEN . ')\\s*=\\s*(' .
self::REGEXP_TOKEN . '|' . self::REGEXP_QUOTED_STRING . ')!';
$paramsAry = array();
preg_match_all($authParam, $headerValue, $params);
for ($i = 0; $i < count($params[0]); $i++) {
if ('"' == substr($params[2][$i], 0, 1)) {
$paramsAry[$params[1][$i]] = substr($params[2][$i], 1, -1);
} else {
$paramsAry[$params[1][$i]] = $params[2][$i];
}
}
// for now, just update the nonce value
if (!empty($paramsAry['nextnonce'])) {
$challenge['nonce'] = $paramsAry['nextnonce'];
$challenge['nc'] = 1;
}
}
/**
* Creates a value for [Proxy-]Authorization header when using digest authentication
*
* @param string $user user name
* @param string $password password
* @param string $url request URL
* @param array &$challenge digest challenge parameters
*
* @return string value of [Proxy-]Authorization request header
* @link http://tools.ietf.org/html/rfc2617#section-3.2.2
*/
protected function createDigestResponse($user, $password, $url, &$challenge)
{
if (false !== ($q = strpos($url, '?'))
&& $this->request->getConfig('digest_compat_ie')
) {
$url = substr($url, 0, $q);
}
$a1 = md5($user . ':' . $challenge['realm'] . ':' . $password);
$a2 = md5($this->request->getMethod() . ':' . $url);
if (empty($challenge['qop'])) {
$digest = md5($a1 . ':' . $challenge['nonce'] . ':' . $a2);
} else {
$challenge['cnonce'] = 'Req2.' . rand();
if (empty($challenge['nc'])) {
$challenge['nc'] = 1;
}
$nc = sprintf('%08x', $challenge['nc']++);
$digest = md5(
$a1 . ':' . $challenge['nonce'] . ':' . $nc . ':' .
$challenge['cnonce'] . ':auth:' . $a2
);
}
return 'Digest username="' . str_replace(array('\\', '"'), array('\\\\', '\\"'), $user) . '", ' .
'realm="' . $challenge['realm'] . '", ' .
'nonce="' . $challenge['nonce'] . '", ' .
'uri="' . $url . '", ' .
'response="' . $digest . '"' .
(!empty($challenge['opaque'])?
', opaque="' . $challenge['opaque'] . '"':
'') .
(!empty($challenge['qop'])?
', qop="auth", nc=' . $nc . ', cnonce="' . $challenge['cnonce'] . '"':
'');
}
/**
* Adds 'Authorization' header (if needed) to request headers array
*
* @param array &$headers request headers
* @param string $requestHost request host (needed for digest authentication)
* @param string $requestUrl request URL (needed for digest authentication)
*
* @throws HTTP_Request2_NotImplementedException
*/
protected function addAuthorizationHeader(&$headers, $requestHost, $requestUrl)
{
if (!($auth = $this->request->getAuth())) {
return;
}
switch ($auth['scheme']) {
case HTTP_Request2::AUTH_BASIC:
$headers['authorization'] = 'Basic ' . base64_encode(
$auth['user'] . ':' . $auth['password']
);
break;
case HTTP_Request2::AUTH_DIGEST:
unset($this->serverChallenge);
$fullUrl = ('/' == $requestUrl[0])?
$this->request->getUrl()->getScheme() . '://' .
$requestHost . $requestUrl:
$requestUrl;
foreach (array_keys(self::$challenges) as $key) {
if ($key == substr($fullUrl, 0, strlen($key))) {
$headers['authorization'] = $this->createDigestResponse(
$auth['user'], $auth['password'],
$requestUrl, self::$challenges[$key]
);
$this->serverChallenge =& self::$challenges[$key];
break;
}
}
break;
default:
throw new HTTP_Request2_NotImplementedException(
"Unknown HTTP authentication scheme '{$auth['scheme']}'"
);
}
}
/**
* Adds 'Proxy-Authorization' header (if needed) to request headers array
*
* @param array &$headers request headers
* @param string $requestUrl request URL (needed for digest authentication)
*
* @throws HTTP_Request2_NotImplementedException
*/
protected function addProxyAuthorizationHeader(&$headers, $requestUrl)
{
if (!$this->request->getConfig('proxy_host')
|| !($user = $this->request->getConfig('proxy_user'))
|| (0 == strcasecmp('https', $this->request->getUrl()->getScheme())
&& HTTP_Request2::METHOD_CONNECT != $this->request->getMethod())
) {
return;
}
$password = $this->request->getConfig('proxy_password');
switch ($this->request->getConfig('proxy_auth_scheme')) {
case HTTP_Request2::AUTH_BASIC:
$headers['proxy-authorization'] = 'Basic ' . base64_encode(
$user . ':' . $password
);
break;
case HTTP_Request2::AUTH_DIGEST:
unset($this->proxyChallenge);
$proxyUrl = 'proxy://' . $this->request->getConfig('proxy_host') .
':' . $this->request->getConfig('proxy_port');
if (!empty(self::$challenges[$proxyUrl])) {
$headers['proxy-authorization'] = $this->createDigestResponse(
$user, $password,
$requestUrl, self::$challenges[$proxyUrl]
);
$this->proxyChallenge =& self::$challenges[$proxyUrl];
}
break;
default:
throw new HTTP_Request2_NotImplementedException(
"Unknown HTTP authentication scheme '" .
$this->request->getConfig('proxy_auth_scheme') . "'"
);
}
}
/**
* Creates the string with the Request-Line and request headers
*
* @return string
* @throws HTTP_Request2_Exception
*/
protected function prepareHeaders()
{
$headers = $this->request->getHeaders();
$url = $this->request->getUrl();
$connect = HTTP_Request2::METHOD_CONNECT == $this->request->getMethod();
$host = $url->getHost();
$defaultPort = 0 == strcasecmp($url->getScheme(), 'https')? 443: 80;
if (($port = $url->getPort()) && $port != $defaultPort || $connect) {
$host .= ':' . (empty($port)? $defaultPort: $port);
}
// Do not overwrite explicitly set 'Host' header, see bug #16146
if (!isset($headers['host'])) {
$headers['host'] = $host;
}
if ($connect) {
$requestUrl = $host;
} else {
if (!$this->request->getConfig('proxy_host')
|| 'http' != $this->request->getConfig('proxy_type')
|| 0 == strcasecmp($url->getScheme(), 'https')
) {
$requestUrl = '';
} else {
$requestUrl = $url->getScheme() . '://' . $host;
}
$path = $url->getPath();
$query = $url->getQuery();
$requestUrl .= (empty($path)? '/': $path) . (empty($query)? '': '?' . $query);
}
if ('1.1' == $this->request->getConfig('protocol_version')
&& extension_loaded('zlib') && !isset($headers['accept-encoding'])
) {
$headers['accept-encoding'] = 'gzip, deflate';
}
if (($jar = $this->request->getCookieJar())
&& ($cookies = $jar->getMatching($this->request->getUrl(), true))
) {
$headers['cookie'] = (empty($headers['cookie'])? '': $headers['cookie'] . '; ') . $cookies;
}
$this->addAuthorizationHeader($headers, $host, $requestUrl);
$this->addProxyAuthorizationHeader($headers, $requestUrl);
$this->calculateRequestLength($headers);
if ('1.1' == $this->request->getConfig('protocol_version')) {
$this->updateExpectHeader($headers);
} else {
$this->expect100Continue = false;
}
$headersStr = $this->request->getMethod() . ' ' . $requestUrl . ' HTTP/' .
$this->request->getConfig('protocol_version') . "\r\n";
foreach ($headers as $name => $value) {
$canonicalName = implode('-', array_map('ucfirst', explode('-', $name)));
$headersStr .= $canonicalName . ': ' . $value . "\r\n";
}
return $headersStr . "\r\n";
}
/**
* Adds or removes 'Expect: 100-continue' header from request headers
*
* Also sets the $expect100Continue property. Parsing of existing header
* is somewhat needed due to its complex structure and due to the
* requirement in section 8.2.3 of RFC 2616:
* > A client MUST NOT send an Expect request-header field (section
* > 14.20) with the "100-continue" expectation if it does not intend
* > to send a request body.
*
* @param array &$headers Array of headers prepared for the request
*
* @throws HTTP_Request2_LogicException
* @link http://pear.php.net/bugs/bug.php?id=19233
* @link http://tools.ietf.org/html/rfc2616#section-8.2.3
*/
protected function updateExpectHeader(&$headers)
{
$this->expect100Continue = false;
$expectations = array();
if (isset($headers['expect'])) {
if ('' === $headers['expect']) {
// empty 'Expect' header is technically invalid, so just get rid of it
unset($headers['expect']);
return;
}
// build regexp to parse the value of existing Expect header
$expectParam = ';\s*' . self::REGEXP_TOKEN . '(?:\s*=\s*(?:'
. self::REGEXP_TOKEN . '|'
. self::REGEXP_QUOTED_STRING . '))?\s*';
$expectExtension = self::REGEXP_TOKEN . '(?:\s*=\s*(?:'
. self::REGEXP_TOKEN . '|'
. self::REGEXP_QUOTED_STRING . ')\s*(?:'
. $expectParam . ')*)?';
$expectItem = '!(100-continue|' . $expectExtension . ')!A';
$pos = 0;
$length = strlen($headers['expect']);
while ($pos < $length) {
$pos += strspn($headers['expect'], " \t", $pos);
if (',' === substr($headers['expect'], $pos, 1)) {
$pos++;
continue;
} elseif (!preg_match($expectItem, $headers['expect'], $m, 0, $pos)) {
throw new HTTP_Request2_LogicException(
"Cannot parse value '{$headers['expect']}' of Expect header",
HTTP_Request2_Exception::INVALID_ARGUMENT
);
} else {
$pos += strlen($m[0]);
if (strcasecmp('100-continue', $m[0])) {
$expectations[] = $m[0];
}
}
}
}
if (1024 < $this->contentLength) {
$expectations[] = '100-continue';
$this->expect100Continue = true;
}
if (empty($expectations)) {
unset($headers['expect']);
} else {
$headers['expect'] = implode(',', $expectations);
}
}
/**
* Sends the request body
*
* @throws HTTP_Request2_MessageException
*/
protected function writeBody()
{
if (in_array($this->request->getMethod(), self::$bodyDisallowed)
|| 0 == $this->contentLength
) {
return;
}
$position = 0;
$bufferSize = $this->request->getConfig('buffer_size');
$headers = $this->request->getHeaders();
$chunked = isset($headers['transfer-encoding']);
while ($position < $this->contentLength) {
if (is_string($this->requestBody)) {
$str = substr($this->requestBody, $position, $bufferSize);
} elseif (is_resource($this->requestBody)) {
$str = fread($this->requestBody, $bufferSize);
} else {
$str = $this->requestBody->read($bufferSize);
}
if (!$chunked) {
$this->socket->write($str);
} else {
$this->socket->write(dechex(strlen($str)) . "\r\n{$str}\r\n");
}
// Provide the length of written string to the observer, request #7630
$this->request->setLastEvent('sentBodyPart', strlen($str));
$position += strlen($str);
}
// write zero-length chunk
if ($chunked) {
$this->socket->write("0\r\n\r\n");
}
$this->request->setLastEvent('sentBody', $this->contentLength);
}
/**
* Reads the remote server's response
*
* @return HTTP_Request2_Response
* @throws HTTP_Request2_Exception
*/
protected function readResponse()
{
$bufferSize = $this->request->getConfig('buffer_size');
// http://tools.ietf.org/html/rfc2616#section-8.2.3
// ...the client SHOULD NOT wait for an indefinite period before sending the request body
$timeout = $this->expect100Continue ? 1 : null;
do {
try {
$response = new HTTP_Request2_Response(
$this->socket->readLine($bufferSize, $timeout), true, $this->request->getUrl()
);
do {
$headerLine = $this->socket->readLine($bufferSize);
$response->parseHeaderLine($headerLine);
} while ('' != $headerLine);
} catch (HTTP_Request2_MessageException $e) {
if (HTTP_Request2_Exception::TIMEOUT === $e->getCode()
&& $this->expect100Continue
) {
return null;
}
throw $e;
}
if ($this->expect100Continue && 100 == $response->getStatus()) {
return $response;
}
} while (in_array($response->getStatus(), array(100, 101)));
$this->request->setLastEvent('receivedHeaders', $response);
// No body possible in such responses
if (HTTP_Request2::METHOD_HEAD == $this->request->getMethod()
|| (HTTP_Request2::METHOD_CONNECT == $this->request->getMethod()
&& 200 <= $response->getStatus() && 300 > $response->getStatus())
|| in_array($response->getStatus(), array(204, 304))
) {
return $response;
}
$chunked = 'chunked' == $response->getHeader('transfer-encoding');
$length = $response->getHeader('content-length');
$hasBody = false;
if ($chunked || null === $length || 0 < intval($length)) {
// RFC 2616, section 4.4:
// 3. ... If a message is received with both a
// Transfer-Encoding header field and a Content-Length header field,
// the latter MUST be ignored.
$toRead = ($chunked || null === $length)? null: $length;
$this->chunkLength = 0;
while (!$this->socket->eof() && (is_null($toRead) || 0 < $toRead)) {
if ($chunked) {
$data = $this->readChunked($bufferSize);
} elseif (is_null($toRead)) {
$data = $this->socket->read($bufferSize);
} else {
$data = $this->socket->read(min($toRead, $bufferSize));
$toRead -= strlen($data);
}
if ('' == $data && (!$this->chunkLength || $this->socket->eof())) {
break;
}
$hasBody = true;
if ($this->request->getConfig('store_body')) {
$response->appendBody($data);
}
if (!in_array($response->getHeader('content-encoding'), array('identity', null))) {
$this->request->setLastEvent('receivedEncodedBodyPart', $data);
} else {
$this->request->setLastEvent('receivedBodyPart', $data);
}
}
}
if ($hasBody) {
$this->request->setLastEvent('receivedBody', $response);
}
return $response;
}
/**
* Reads a part of response body encoded with chunked Transfer-Encoding
*
* @param int $bufferSize buffer size to use for reading
*
* @return string
* @throws HTTP_Request2_MessageException
*/
protected function readChunked($bufferSize)
{
// at start of the next chunk?
if (0 == $this->chunkLength) {
$line = $this->socket->readLine($bufferSize);
if (!preg_match('/^([0-9a-f]+)/i', $line, $matches)) {
throw new HTTP_Request2_MessageException(
"Cannot decode chunked response, invalid chunk length '{$line}'",
HTTP_Request2_Exception::DECODE_ERROR
);
} else {
$this->chunkLength = hexdec($matches[1]);
// Chunk with zero length indicates the end
if (0 == $this->chunkLength) {
$this->socket->readLine($bufferSize);
return '';
}
}
}
$data = $this->socket->read(min($this->chunkLength, $bufferSize));
$this->chunkLength -= strlen($data);
if (0 == $this->chunkLength) {
$this->socket->readLine($bufferSize); // Trailing CRLF
}
return $data;
}
}
?>PK � ]� �� � Mock.phpnu &1i� <?php
/**
* Mock adapter intended for testing
*
* PHP version 5
*
* LICENSE
*
* This source file is subject to BSD 3-Clause License that is bundled
* with this package in the file LICENSE and available at the URL
* https://raw.github.com/pear/HTTP_Request2/trunk/docs/LICENSE
*
* @category HTTP
* @package HTTP_Request2
* @author Alexey Borzov <avb@php.net>
* @copyright 2008-2014 Alexey Borzov <avb@php.net>
* @license http://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
* @link http://pear.php.net/package/HTTP_Request2
*/
/**
* Base class for HTTP_Request2 adapters
*/
require_once 'HTTP/Request2/Adapter.php';
/**
* Mock adapter intended for testing
*
* Can be used to test applications depending on HTTP_Request2 package without
* actually performing any HTTP requests. This adapter will return responses
* previously added via addResponse()
* <code>
* $mock = new HTTP_Request2_Adapter_Mock();
* $mock->addResponse("HTTP/1.1 ... ");
*
* $request = new HTTP_Request2();
* $request->setAdapter($mock);
*
* // This will return the response set above
* $response = $req->send();
* </code>
*
* @category HTTP
* @package HTTP_Request2
* @author Alexey Borzov <avb@php.net>
* @license http://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
* @version Release: 2.2.1
* @link http://pear.php.net/package/HTTP_Request2
*/
class HTTP_Request2_Adapter_Mock extends HTTP_Request2_Adapter
{
/**
* A queue of responses to be returned by sendRequest()
* @var array
*/
protected $responses = array();
/**
* Returns the next response from the queue built by addResponse()
*
* Only responses without explicit URLs or with URLs equal to request URL
* will be considered. If matching response is not found or the queue is
* empty then default empty response with status 400 will be returned,
* if an Exception object was added to the queue it will be thrown.
*
* @param HTTP_Request2 $request HTTP request message
*
* @return HTTP_Request2_Response
* @throws Exception
*/
public function sendRequest(HTTP_Request2 $request)
{
$requestUrl = (string)$request->getUrl();
$response = null;
foreach ($this->responses as $k => $v) {
if (!$v[1] || $requestUrl == $v[1]) {
$response = $v[0];
array_splice($this->responses, $k, 1);
break;
}
}
if (!$response) {
return self::createResponseFromString("HTTP/1.1 400 Bad Request\r\n\r\n");
} elseif ($response instanceof HTTP_Request2_Response) {
return $response;
} else {
// rethrow the exception
$class = get_class($response);
$message = $response->getMessage();
$code = $response->getCode();
throw new $class($message, $code);
}
}
/**
* Adds response to the queue
*
* @param mixed $response either a string, a pointer to an open file,
* an instance of HTTP_Request2_Response or Exception
* @param string $url A request URL this response should be valid for
* (see {@link http://pear.php.net/bugs/bug.php?id=19276})
*
* @throws HTTP_Request2_Exception
*/
public function addResponse($response, $url = null)
{
if (is_string($response)) {
$response = self::createResponseFromString($response);
} elseif (is_resource($response)) {
$response = self::createResponseFromFile($response);
} elseif (!$response instanceof HTTP_Request2_Response &&
!$response instanceof Exception
) {
throw new HTTP_Request2_Exception('Parameter is not a valid response');
}
$this->responses[] = array($response, $url);
}
/**
* Creates a new HTTP_Request2_Response object from a string
*
* @param string $str string containing HTTP response message
*
* @return HTTP_Request2_Response
* @throws HTTP_Request2_Exception
*/
public static function createResponseFromString($str)
{
$parts = preg_split('!(\r?\n){2}!m', $str, 2);
$headerLines = explode("\n", $parts[0]);
$response = new HTTP_Request2_Response(array_shift($headerLines));
foreach ($headerLines as $headerLine) {
$response->parseHeaderLine($headerLine);
}
$response->parseHeaderLine('');
if (isset($parts[1])) {
$response->appendBody($parts[1]);
}
return $response;
}
/**
* Creates a new HTTP_Request2_Response object from a file
*
* @param resource $fp file pointer returned by fopen()
*
* @return HTTP_Request2_Response
* @throws HTTP_Request2_Exception
*/
public static function createResponseFromFile($fp)
{
$response = new HTTP_Request2_Response(fgets($fp));
do {
$headerLine = fgets($fp);
$response->parseHeaderLine($headerLine);
} while ('' != trim($headerLine));
while (!feof($fp)) {
$response->appendBody(fread($fp, 8192));
}
return $response;
}
}
?>PK � ]����X �X Curl.phpnu &1i� <?php
/**
* Adapter for HTTP_Request2 wrapping around cURL extension
*
* PHP version 5
*
* LICENSE
*
* This source file is subject to BSD 3-Clause License that is bundled
* with this package in the file LICENSE and available at the URL
* https://raw.github.com/pear/HTTP_Request2/trunk/docs/LICENSE
*
* @category HTTP
* @package HTTP_Request2
* @author Alexey Borzov <avb@php.net>
* @copyright 2008-2014 Alexey Borzov <avb@php.net>
* @license http://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
* @link http://pear.php.net/package/HTTP_Request2
*/
/**
* Base class for HTTP_Request2 adapters
*/
require_once 'HTTP/Request2/Adapter.php';
/**
* Adapter for HTTP_Request2 wrapping around cURL extension
*
* @category HTTP
* @package HTTP_Request2
* @author Alexey Borzov <avb@php.net>
* @license http://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
* @version Release: 2.2.1
* @link http://pear.php.net/package/HTTP_Request2
*/
class HTTP_Request2_Adapter_Curl extends HTTP_Request2_Adapter
{
/**
* Mapping of header names to cURL options
* @var array
*/
protected static $headerMap = array(
'accept-encoding' => CURLOPT_ENCODING,
'cookie' => CURLOPT_COOKIE,
'referer' => CURLOPT_REFERER,
'user-agent' => CURLOPT_USERAGENT
);
/**
* Mapping of SSL context options to cURL options
* @var array
*/
protected static $sslContextMap = array(
'ssl_verify_peer' => CURLOPT_SSL_VERIFYPEER,
'ssl_cafile' => CURLOPT_CAINFO,
'ssl_capath' => CURLOPT_CAPATH,
'ssl_local_cert' => CURLOPT_SSLCERT,
'ssl_passphrase' => CURLOPT_SSLCERTPASSWD
);
/**
* Mapping of CURLE_* constants to Exception subclasses and error codes
* @var array
*/
protected static $errorMap = array(
CURLE_UNSUPPORTED_PROTOCOL => array('HTTP_Request2_MessageException',
HTTP_Request2_Exception::NON_HTTP_REDIRECT),
CURLE_COULDNT_RESOLVE_PROXY => array('HTTP_Request2_ConnectionException'),
CURLE_COULDNT_RESOLVE_HOST => array('HTTP_Request2_ConnectionException'),
CURLE_COULDNT_CONNECT => array('HTTP_Request2_ConnectionException'),
// error returned from write callback
CURLE_WRITE_ERROR => array('HTTP_Request2_MessageException',
HTTP_Request2_Exception::NON_HTTP_REDIRECT),
CURLE_OPERATION_TIMEOUTED => array('HTTP_Request2_MessageException',
HTTP_Request2_Exception::TIMEOUT),
CURLE_HTTP_RANGE_ERROR => array('HTTP_Request2_MessageException'),
CURLE_SSL_CONNECT_ERROR => array('HTTP_Request2_ConnectionException'),
CURLE_LIBRARY_NOT_FOUND => array('HTTP_Request2_LogicException',
HTTP_Request2_Exception::MISCONFIGURATION),
CURLE_FUNCTION_NOT_FOUND => array('HTTP_Request2_LogicException',
HTTP_Request2_Exception::MISCONFIGURATION),
CURLE_ABORTED_BY_CALLBACK => array('HTTP_Request2_MessageException',
HTTP_Request2_Exception::NON_HTTP_REDIRECT),
CURLE_TOO_MANY_REDIRECTS => array('HTTP_Request2_MessageException',
HTTP_Request2_Exception::TOO_MANY_REDIRECTS),
CURLE_SSL_PEER_CERTIFICATE => array('HTTP_Request2_ConnectionException'),
CURLE_GOT_NOTHING => array('HTTP_Request2_MessageException'),
CURLE_SSL_ENGINE_NOTFOUND => array('HTTP_Request2_LogicException',
HTTP_Request2_Exception::MISCONFIGURATION),
CURLE_SSL_ENGINE_SETFAILED => array('HTTP_Request2_LogicException',
HTTP_Request2_Exception::MISCONFIGURATION),
CURLE_SEND_ERROR => array('HTTP_Request2_MessageException'),
CURLE_RECV_ERROR => array('HTTP_Request2_MessageException'),
CURLE_SSL_CERTPROBLEM => array('HTTP_Request2_LogicException',
HTTP_Request2_Exception::INVALID_ARGUMENT),
CURLE_SSL_CIPHER => array('HTTP_Request2_ConnectionException'),
CURLE_SSL_CACERT => array('HTTP_Request2_ConnectionException'),
CURLE_BAD_CONTENT_ENCODING => array('HTTP_Request2_MessageException'),
);
/**
* Response being received
* @var HTTP_Request2_Response
*/
protected $response;
/**
* Whether 'sentHeaders' event was sent to observers
* @var boolean
*/
protected $eventSentHeaders = false;
/**
* Whether 'receivedHeaders' event was sent to observers
* @var boolean
*/
protected $eventReceivedHeaders = false;
/**
* Position within request body
* @var integer
* @see callbackReadBody()
*/
protected $position = 0;
/**
* Information about last transfer, as returned by curl_getinfo()
* @var array
*/
protected $lastInfo;
/**
* Creates a subclass of HTTP_Request2_Exception from curl error data
*
* @param resource $ch curl handle
*
* @return HTTP_Request2_Exception
*/
protected static function wrapCurlError($ch)
{
$nativeCode = curl_errno($ch);
$message = 'Curl error: ' . curl_error($ch);
if (!isset(self::$errorMap[$nativeCode])) {
return new HTTP_Request2_Exception($message, 0, $nativeCode);
} else {
$class = self::$errorMap[$nativeCode][0];
$code = empty(self::$errorMap[$nativeCode][1])
? 0 : self::$errorMap[$nativeCode][1];
return new $class($message, $code, $nativeCode);
}
}
/**
* Sends request to the remote server and returns its response
*
* @param HTTP_Request2 $request HTTP request message
*
* @return HTTP_Request2_Response
* @throws HTTP_Request2_Exception
*/
public function sendRequest(HTTP_Request2 $request)
{
if (!extension_loaded('curl')) {
throw new HTTP_Request2_LogicException(
'cURL extension not available', HTTP_Request2_Exception::MISCONFIGURATION
);
}
$this->request = $request;
$this->response = null;
$this->position = 0;
$this->eventSentHeaders = false;
$this->eventReceivedHeaders = false;
try {
if (false === curl_exec($ch = $this->createCurlHandle())) {
$e = self::wrapCurlError($ch);
}
} catch (Exception $e) {
}
if (isset($ch)) {
$this->lastInfo = curl_getinfo($ch);
curl_close($ch);
}
$response = $this->response;
unset($this->request, $this->requestBody, $this->response);
if (!empty($e)) {
throw $e;
}
if ($jar = $request->getCookieJar()) {
$jar->addCookiesFromResponse($response, $request->getUrl());
}
if (0 < $this->lastInfo['size_download']) {
$request->setLastEvent('receivedBody', $response);
}
return $response;
}
/**
* Returns information about last transfer
*
* @return array associative array as returned by curl_getinfo()
*/
public function getInfo()
{
return $this->lastInfo;
}
/**
* Creates a new cURL handle and populates it with data from the request
*
* @return resource a cURL handle, as created by curl_init()
* @throws HTTP_Request2_LogicException
* @throws HTTP_Request2_NotImplementedException
*/
protected function createCurlHandle()
{
$ch = curl_init();
curl_setopt_array($ch, array(
// setup write callbacks
CURLOPT_HEADERFUNCTION => array($this, 'callbackWriteHeader'),
CURLOPT_WRITEFUNCTION => array($this, 'callbackWriteBody'),
// buffer size
CURLOPT_BUFFERSIZE => $this->request->getConfig('buffer_size'),
// connection timeout
CURLOPT_CONNECTTIMEOUT => $this->request->getConfig('connect_timeout'),
// save full outgoing headers, in case someone is interested
CURLINFO_HEADER_OUT => true,
// request url
CURLOPT_URL => $this->request->getUrl()->getUrl()
));
// set up redirects
if (!$this->request->getConfig('follow_redirects')) {
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
} else {
if (!@curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true)) {
throw new HTTP_Request2_LogicException(
'Redirect support in curl is unavailable due to open_basedir or safe_mode setting',
HTTP_Request2_Exception::MISCONFIGURATION
);
}
curl_setopt($ch, CURLOPT_MAXREDIRS, $this->request->getConfig('max_redirects'));
// limit redirects to http(s), works in 5.2.10+
if (defined('CURLOPT_REDIR_PROTOCOLS')) {
curl_setopt($ch, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
}
// works in 5.3.2+, http://bugs.php.net/bug.php?id=49571
if ($this->request->getConfig('strict_redirects') && defined('CURLOPT_POSTREDIR')) {
curl_setopt($ch, CURLOPT_POSTREDIR, 3);
}
}
// set local IP via CURLOPT_INTERFACE (request #19515)
if ($ip = $this->request->getConfig('local_ip')) {
curl_setopt($ch, CURLOPT_INTERFACE, $ip);
}
// request timeout
if ($timeout = $this->request->getConfig('timeout')) {
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
}
// set HTTP version
switch ($this->request->getConfig('protocol_version')) {
case '1.0':
curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
break;
case '1.1':
curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
}
// set request method
switch ($this->request->getMethod()) {
case HTTP_Request2::METHOD_GET:
curl_setopt($ch, CURLOPT_HTTPGET, true);
break;
case HTTP_Request2::METHOD_POST:
curl_setopt($ch, CURLOPT_POST, true);
break;
case HTTP_Request2::METHOD_HEAD:
curl_setopt($ch, CURLOPT_NOBODY, true);
break;
case HTTP_Request2::METHOD_PUT:
curl_setopt($ch, CURLOPT_UPLOAD, true);
break;
default:
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $this->request->getMethod());
}
// set proxy, if needed
if ($host = $this->request->getConfig('proxy_host')) {
if (!($port = $this->request->getConfig('proxy_port'))) {
throw new HTTP_Request2_LogicException(
'Proxy port not provided', HTTP_Request2_Exception::MISSING_VALUE
);
}
curl_setopt($ch, CURLOPT_PROXY, $host . ':' . $port);
if ($user = $this->request->getConfig('proxy_user')) {
curl_setopt(
$ch, CURLOPT_PROXYUSERPWD,
$user . ':' . $this->request->getConfig('proxy_password')
);
switch ($this->request->getConfig('proxy_auth_scheme')) {
case HTTP_Request2::AUTH_BASIC:
curl_setopt($ch, CURLOPT_PROXYAUTH, CURLAUTH_BASIC);
break;
case HTTP_Request2::AUTH_DIGEST:
curl_setopt($ch, CURLOPT_PROXYAUTH, CURLAUTH_DIGEST);
}
}
if ($type = $this->request->getConfig('proxy_type')) {
switch ($type) {
case 'http':
curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
break;
case 'socks5':
curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);
break;
default:
throw new HTTP_Request2_NotImplementedException(
"Proxy type '{$type}' is not supported"
);
}
}
}
// set authentication data
if ($auth = $this->request->getAuth()) {
curl_setopt($ch, CURLOPT_USERPWD, $auth['user'] . ':' . $auth['password']);
switch ($auth['scheme']) {
case HTTP_Request2::AUTH_BASIC:
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
break;
case HTTP_Request2::AUTH_DIGEST:
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);
}
}
// set SSL options
foreach ($this->request->getConfig() as $name => $value) {
if ('ssl_verify_host' == $name && null !== $value) {
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, $value? 2: 0);
} elseif (isset(self::$sslContextMap[$name]) && null !== $value) {
curl_setopt($ch, self::$sslContextMap[$name], $value);
}
}
$headers = $this->request->getHeaders();
// make cURL automagically send proper header
if (!isset($headers['accept-encoding'])) {
$headers['accept-encoding'] = '';
}
if (($jar = $this->request->getCookieJar())
&& ($cookies = $jar->getMatching($this->request->getUrl(), true))
) {
$headers['cookie'] = (empty($headers['cookie'])? '': $headers['cookie'] . '; ') . $cookies;
}
// set headers having special cURL keys
foreach (self::$headerMap as $name => $option) {
if (isset($headers[$name])) {
curl_setopt($ch, $option, $headers[$name]);
unset($headers[$name]);
}
}
$this->calculateRequestLength($headers);
if (isset($headers['content-length']) || isset($headers['transfer-encoding'])) {
$this->workaroundPhpBug47204($ch, $headers);
}
// set headers not having special keys
$headersFmt = array();
foreach ($headers as $name => $value) {
$canonicalName = implode('-', array_map('ucfirst', explode('-', $name)));
$headersFmt[] = $canonicalName . ': ' . $value;
}
curl_setopt($ch, CURLOPT_HTTPHEADER, $headersFmt);
return $ch;
}
/**
* Workaround for PHP bug #47204 that prevents rewinding request body
*
* The workaround consists of reading the entire request body into memory
* and setting it as CURLOPT_POSTFIELDS, so it isn't recommended for large
* file uploads, use Socket adapter instead.
*
* @param resource $ch cURL handle
* @param array &$headers Request headers
*/
protected function workaroundPhpBug47204($ch, &$headers)
{
// no redirects, no digest auth -> probably no rewind needed
if (!$this->request->getConfig('follow_redirects')
&& (!($auth = $this->request->getAuth())
|| HTTP_Request2::AUTH_DIGEST != $auth['scheme'])
) {
curl_setopt($ch, CURLOPT_READFUNCTION, array($this, 'callbackReadBody'));
} else {
// rewind may be needed, read the whole body into memory
if ($this->requestBody instanceof HTTP_Request2_MultipartBody) {
$this->requestBody = $this->requestBody->__toString();
} elseif (is_resource($this->requestBody)) {
$fp = $this->requestBody;
$this->requestBody = '';
while (!feof($fp)) {
$this->requestBody .= fread($fp, 16384);
}
}
// curl hangs up if content-length is present
unset($headers['content-length']);
curl_setopt($ch, CURLOPT_POSTFIELDS, $this->requestBody);
}
}
/**
* Callback function called by cURL for reading the request body
*
* @param resource $ch cURL handle
* @param resource $fd file descriptor (not used)
* @param integer $length maximum length of data to return
*
* @return string part of the request body, up to $length bytes
*/
protected function callbackReadBody($ch, $fd, $length)
{
if (!$this->eventSentHeaders) {
$this->request->setLastEvent(
'sentHeaders', curl_getinfo($ch, CURLINFO_HEADER_OUT)
);
$this->eventSentHeaders = true;
}
if (in_array($this->request->getMethod(), self::$bodyDisallowed)
|| 0 == $this->contentLength || $this->position >= $this->contentLength
) {
return '';
}
if (is_string($this->requestBody)) {
$string = substr($this->requestBody, $this->position, $length);
} elseif (is_resource($this->requestBody)) {
$string = fread($this->requestBody, $length);
} else {
$string = $this->requestBody->read($length);
}
$this->request->setLastEvent('sentBodyPart', strlen($string));
$this->position += strlen($string);
return $string;
}
/**
* Callback function called by cURL for saving the response headers
*
* @param resource $ch cURL handle
* @param string $string response header (with trailing CRLF)
*
* @return integer number of bytes saved
* @see HTTP_Request2_Response::parseHeaderLine()
*/
protected function callbackWriteHeader($ch, $string)
{
// we may receive a second set of headers if doing e.g. digest auth
if ($this->eventReceivedHeaders || !$this->eventSentHeaders) {
// don't bother with 100-Continue responses (bug #15785)
if (!$this->eventSentHeaders
|| $this->response->getStatus() >= 200
) {
$this->request->setLastEvent(
'sentHeaders', curl_getinfo($ch, CURLINFO_HEADER_OUT)
);
}
$upload = curl_getinfo($ch, CURLINFO_SIZE_UPLOAD);
// if body wasn't read by a callback, send event with total body size
if ($upload > $this->position) {
$this->request->setLastEvent(
'sentBodyPart', $upload - $this->position
);
$this->position = $upload;
}
if ($upload && (!$this->eventSentHeaders
|| $this->response->getStatus() >= 200)
) {
$this->request->setLastEvent('sentBody', $upload);
}
$this->eventSentHeaders = true;
// we'll need a new response object
if ($this->eventReceivedHeaders) {
$this->eventReceivedHeaders = false;
$this->response = null;
}
}
if (empty($this->response)) {
$this->response = new HTTP_Request2_Response(
$string, false, curl_getinfo($ch, CURLINFO_EFFECTIVE_URL)
);
} else {
$this->response->parseHeaderLine($string);
if ('' == trim($string)) {
// don't bother with 100-Continue responses (bug #15785)
if (200 <= $this->response->getStatus()) {
$this->request->setLastEvent('receivedHeaders', $this->response);
}
if ($this->request->getConfig('follow_redirects') && $this->response->isRedirect()) {
$redirectUrl = new Net_URL2($this->response->getHeader('location'));
// for versions lower than 5.2.10, check the redirection URL protocol
if (!defined('CURLOPT_REDIR_PROTOCOLS') && $redirectUrl->isAbsolute()
&& !in_array($redirectUrl->getScheme(), array('http', 'https'))
) {
return -1;
}
if ($jar = $this->request->getCookieJar()) {
$jar->addCookiesFromResponse($this->response, $this->request->getUrl());
if (!$redirectUrl->isAbsolute()) {
$redirectUrl = $this->request->getUrl()->resolve($redirectUrl);
}
if ($cookies = $jar->getMatching($redirectUrl, true)) {
curl_setopt($ch, CURLOPT_COOKIE, $cookies);
}
}
}
$this->eventReceivedHeaders = true;
}
}
return strlen($string);
}
/**
* Callback function called by cURL for saving the response body
*
* @param resource $ch cURL handle (not used)
* @param string $string part of the response body
*
* @return integer number of bytes saved
* @throws HTTP_Request2_MessageException
* @see HTTP_Request2_Response::appendBody()
*/
protected function callbackWriteBody($ch, $string)
{
// cURL calls WRITEFUNCTION callback without calling HEADERFUNCTION if
// response doesn't start with proper HTTP status line (see bug #15716)
if (empty($this->response)) {
throw new HTTP_Request2_MessageException(
"Malformed response: {$string}",
HTTP_Request2_Exception::MALFORMED_RESPONSE
);
}
if ($this->request->getConfig('store_body')) {
$this->response->appendBody($string);
}
$this->request->setLastEvent('receivedBodyPart', $string);
return strlen($string);
}
}
?>
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