/**
* Post back to PayPal to check whether this request is a valid one
*
* @param Zend_Http_Client_Adapter_Interface $httpAdapter
* @throws Exception
*/
protected function _postBack(Zend_Http_Client_Adapter_Interface $httpAdapter)
{
$sReq = '';
foreach ($this->_request as $k => $v) {
$sReq .= '&' . $k . '=' . urlencode(stripslashes($v));
}
$sReq .= "&cmd=_notify-validate";
$sReq = substr($sReq, 1);
$this->_debugData['postback'] = $sReq;
$this->_debugData['postback_to'] = $this->_config->getPaypalUrl();
$httpAdapter->write(Zend_Http_Client::POST, $this->_config->getPaypalUrl(), '1.1', array(), $sReq);
try {
$response = $httpAdapter->read();
} catch (Exception $e) {
$this->_debugData['http_error'] = array('error' => $e->getMessage(), 'code' => $e->getCode());
throw $e;
}
$this->_debugData['postback_result'] = $response;
// =====================================================================
// Changed from default code. Paypal now regularly returns a 100
// response with an empty body followed by a 200 response with the
// VERIFIED/INVALID message. The code below will check the last
// response for the VERIFIED/INVALID code rather than the first.
//
// ref: http://www.dhmedia.com.au/blog/debugging-paypal-ipn-postback-failure-magent
// Magento 2 Pull Request: https://github.com/magento/magento2/pull/136
$response = preg_split('/^\\r?$/m', $response);
$response = trim(end($response));
// =====================================================================
if ($response != 'VERIFIED') {
throw new Exception('PayPal IPN postback failure. See ' . self::DEFAULT_LOG_FILE . ' for details.');
}
unset($this->_debugData['postback'], $this->_debugData['postback_result']);
}
/**
* Set adapter for client
*
* @param array $client
* @return Zend_Auth_Adapter_Cas
*/
public function setClientAdapter($client = array())
{
extract($client);
$adapter = isset($adapter) ? $adapter : 'Zend_Http_Client_Adapter_Socket';
$options = isset($options) ? $options : array();
$this->_clientAdapter = new $adapter();
$this->_clientAdapter->setConfig($options);
return $this;
}
/**
* Load the connection adapter
*
* While this method is not called more than one for a client, it is
* seperated from ->request() to preserve logic and readability
*
* @param Zend_Http_Client_Adapter_Interface|string $adapter
*/
protected function loadAdapter($adapter)
{
if (is_string($adapter)) {
try {
Zend_Loader::loadClass($adapter);
} catch (Zend_Exception $e) {
throw new Zend_Http_Client_Exception("Unable to load adapter '{$adapter}': {$e->getMessage()}");
}
$adapter = new $adapter();
}
if (!$adapter instanceof Zend_Http_Client_Adapter_Interface) {
throw new Zend_Http_Client_Exception('Passed adapter is not a HTTP connection adapter');
}
$this->adapter = $adapter;
$config = $this->config;
unset($config['adapter']);
$this->adapter->setConfig($config);
}
/**
* Post back to PayPal to check whether this request is a valid one
*
* @param Zend_Http_Client_Adapter_Interface $httpAdapter
*/
protected function _postBack(Zend_Http_Client_Adapter_Interface $httpAdapter)
{
$postbackQuery = http_build_query($this->_request) . '&cmd=_notify-validate';
$postbackUrl = $this->_config->getPaypalUrl();
$this->_debugData['postback_to'] = $postbackUrl;
$httpAdapter->setConfig(array('verifypeer' => $this->_config->verifyPeer));
$httpAdapter->write(Zend_Http_Client::POST, $postbackUrl, '1.1', array('Connection: close'), $postbackQuery);
try {
$postbackResult = $httpAdapter->read();
} catch (Exception $e) {
$this->_debugData['http_error'] = array('error' => $e->getMessage(), 'code' => $e->getCode());
throw $e;
}
$response = preg_split('/^\\r?$/m', $postbackResult, 2);
$response = trim($response[1]);
if ($response != 'VERIFIED') {
$this->_debugData['postback'] = $postbackQuery;
$this->_debugData['postback_result'] = $postbackResult;
throw new Exception('PayPal IPN postback failure. See ' . self::DEFAULT_LOG_FILE . ' for details.');
}
}
/**
* Send the HTTP request and return an HTTP response object
*
* @param string $method
* @return Zend_Http_Response
* @throws Zend_Http_Client_Exception
*/
public function request($method = null)
{
if (!$this->uri instanceof Zend_Uri_Http) {
/** @see Zend_Http_Client_Exception */
require_once 'Zend/Http/Client/Exception.php';
throw new Zend_Http_Client_Exception('No valid URI has been passed to the client');
}
if ($method) {
$this->setMethod($method);
}
$this->redirectCounter = 0;
$response = null;
// Make sure the adapter is loaded
if ($this->adapter == null) {
$this->setAdapter($this->config['adapter']);
}
// Send the first request. If redirected, continue.
do {
// Clone the URI and add the additional GET parameters to it
$uri = clone $this->uri;
if (!empty($this->paramsGet)) {
$query = $uri->getQuery();
if (!empty($query)) {
$query .= '&';
}
$query .= http_build_query($this->paramsGet, null, '&');
if ($this->config['rfc3986_strict']) {
$query = str_replace('+', '%20', $query);
}
// @see ZF-11671 to unmask for some services to foo=val1&foo=val2
if ($this->getUnmaskStatus()) {
if ($this->_queryBracketsEscaped) {
$query = preg_replace('/%5B(?:[0-9]|[1-9][0-9]+)%5D=/', '=', $query);
} else {
$query = preg_replace('/\\[(?:[0-9]|[1-9][0-9]+)\\]=/', '=', $query);
}
}
$uri->setQuery($query);
}
$body = $this->_prepareBody();
$headers = $this->_prepareHeaders();
// check that adapter supports streaming before using it
if (is_resource($body) && !$this->adapter instanceof Zend_Http_Client_Adapter_Stream) {
/** @see Zend_Http_Client_Exception */
require_once 'Zend/Http/Client/Exception.php';
throw new Zend_Http_Client_Exception('Adapter does not support streaming');
}
// Open the connection, send the request and read the response
$this->adapter->connect($uri->getHost(), $uri->getPort(), $uri->getScheme() == 'https' ? true : false);
if ($this->config['output_stream']) {
if ($this->adapter instanceof Zend_Http_Client_Adapter_Stream) {
$stream = $this->_openTempStream();
$this->adapter->setOutputStream($stream);
} else {
/** @see Zend_Http_Client_Exception */
require_once 'Zend/Http/Client/Exception.php';
throw new Zend_Http_Client_Exception('Adapter does not support streaming');
}
}
$this->last_request = $this->adapter->write($this->method, $uri, $this->config['httpversion'], $headers, $body);
$response = $this->adapter->read();
if (!$response) {
/** @see Zend_Http_Client_Exception */
require_once 'Zend/Http/Client/Exception.php';
throw new Zend_Http_Client_Exception('Unable to read response, or response is empty');
}
if ($this->config['output_stream']) {
$streamMetaData = stream_get_meta_data($stream);
if ($streamMetaData['seekable']) {
rewind($stream);
}
// cleanup the adapter
$this->adapter->setOutputStream(null);
$response = Zend_Http_Response_Stream::fromStream($response, $stream);
$response->setStreamName($this->_stream_name);
if (!is_string($this->config['output_stream'])) {
// we used temp name, will need to clean up
$response->setCleanup(true);
}
} else {
$response = Zend_Http_Response::fromString($response);
}
if ($this->config['storeresponse']) {
$this->last_response = $response;
}
// Load cookies into cookie jar
if (isset($this->cookiejar)) {
$this->cookiejar->addCookiesFromResponse($response, $uri, $this->config['encodecookies']);
}
// If we got redirected, look for the Location header
if ($response->isRedirect() && ($location = $response->getHeader('location'))) {
// Avoid problems with buggy servers that add whitespace at the
// end of some headers (See ZF-11283)
$location = trim($location);
// Check whether we send the exact same request again, or drop the parameters
// and send a GET request
if ($response->getStatus() == 303 || !$this->config['strictredirects'] && ($response->getStatus() == 302 || $response->getStatus() == 301)) {
$this->resetParameters();
$this->setMethod(self::GET);
}
// If we got a well formed absolute URI
if (($scheme = substr($location, 0, 6)) && ($scheme == 'http:/' || $scheme == 'https:')) {
$this->setHeaders('host', null);
$this->setUri($location);
} else {
// Split into path and query and set the query
if (strpos($location, '?') !== false) {
list($location, $query) = explode('?', $location, 2);
} else {
$query = '';
}
$this->uri->setQuery($query);
// Else, if we got just an absolute path, set it
if (strpos($location, '/') === 0) {
$this->uri->setPath($location);
// Else, assume we have a relative path
} else {
// Get the current path directory, removing any trailing slashes
$path = $this->uri->getPath();
$path = rtrim(substr($path, 0, strrpos($path, '/')), "/");
$this->uri->setPath($path . '/' . $location);
}
}
++$this->redirectCounter;
} else {
// If we didn't get any location, stop redirecting
break;
}
} while ($this->redirectCounter < $this->config['maxredirects']);
return $response;
}
/**
* Send the HTTP request and return an HTTP response object
*
* @param string $method
* @return Zend_Http_Response
* @throws Zend_Http_Client_Exception
*/
public function request($method = null)
{
if (!$this->uri instanceof Zend_Uri_Http) {
/** @see Zend_Http_Client_Exception */
require_once 'Zend/Http/Client/Exception.php';
throw new Zend_Http_Client_Exception('No valid URI has been passed to the client');
}
if ($method) {
$this->setMethod($method);
}
$this->redirectCounter = 0;
$response = null;
// Make sure the adapter is loaded
if ($this->adapter == null) {
$this->setAdapter($this->config['adapter']);
}
// Send the first request. If redirected, continue.
do {
// Clone the URI and add the additional GET parameters to it
$uri = clone $this->uri;
if (!empty($this->paramsGet)) {
$query = $uri->getQuery();
if (!empty($query)) {
$query .= '&';
}
$query .= http_build_query($this->paramsGet, null, '&');
$uri->setQuery($query);
}
$body = $this->_prepareBody();
$headers = $this->_prepareHeaders();
// Open the connection, send the request and read the response
$this->adapter->connect($uri->getHost(), $uri->getPort(), $uri->getScheme() == 'https' ? true : false);
$this->last_request = $this->adapter->write($this->method, $uri, $this->config['httpversion'], $headers, $body);
$response = $this->adapter->read();
if (!$response) {
/** @see Zend_Http_Client_Exception */
require_once 'Zend/Http/Client/Exception.php';
throw new Zend_Http_Client_Exception('Unable to read response, or response is empty');
}
$response = Zend_Http_Response::fromString($response);
if ($this->config['storeresponse']) {
$this->last_response = $response;
}
// Load cookies into cookie jar
if (isset($this->cookiejar)) {
$this->cookiejar->addCookiesFromResponse($response, $uri);
}
// If we got redirected, look for the Location header
if ($response->isRedirect() && ($location = $response->getHeader('location'))) {
// Check whether we send the exact same request again, or drop the parameters
// and send a GET request
if ($response->getStatus() == 303 || !$this->config['strictredirects'] && ($response->getStatus() == 302 || $response->getStatus() == 301)) {
$this->resetParameters();
$this->setMethod(self::GET);
}
// If we got a well formed absolute URI
if (Zend_Uri_Http::check($location)) {
$this->setHeaders('host', null);
$this->setUri($location);
} else {
// Split into path and query and set the query
if (strpos($location, '?') !== false) {
list($location, $query) = explode('?', $location, 2);
} else {
$query = '';
}
$this->uri->setQuery($query);
// Else, if we got just an absolute path, set it
if (strpos($location, '/') === 0) {
$this->uri->setPath($location);
// Else, assume we have a relative path
} else {
// Get the current path directory, removing any trailing slashes
$path = $this->uri->getPath();
$path = rtrim(substr($path, 0, strrpos($path, '/')), "/");
$this->uri->setPath($path . '/' . $location);
}
}
++$this->redirectCounter;
} else {
// If we didn't get any location, stop redirecting
break;
}
} while ($this->redirectCounter < $this->config['maxredirects']);
return $response;
}
/**
* Post back to PayPal to check whether this request is a valid one
*
* @param Zend_Http_Client_Adapter_Interface $httpAdapter
*/
protected function _postBack(Zend_Http_Client_Adapter_Interface $httpAdapter)
{
$postbackQuery = http_build_query($this->_request) . '&cmd=_notify-validate';
$postbackUrl = $this->_config->getPaypalUrl();
$this->_debugData['postback_to'] = $postbackUrl;
$httpAdapter->setConfig(array('verifypeer' => $this->_config->verifyPeer));
$httpAdapter->write(Zend_Http_Client::POST, $postbackUrl, '1.1', array('Connection: close'), $postbackQuery);
try {
$postbackResult = $httpAdapter->read();
} catch (Exception $e) {
$this->_debugData['http_error'] = array('error' => $e->getMessage(), 'code' => $e->getCode());
throw $e;
}
/*
* Handle errors on PayPal side.
*/
$responseCode = Zend_Http_Response::extractCode($postbackResult);
if (empty($postbackResult) || in_array($responseCode, array('500', '502', '503'))) {
if (empty($postbackResult)) {
$reason = 'Empty response.';
} else {
$reason = 'Response code: ' . $responseCode . '.';
}
$this->_debugData['exception'] = 'PayPal IPN postback failure. ' . $reason;
throw new Mage_Paypal_UnavailableException($reason);
}
$response = preg_split('/^\\r?$/m', $postbackResult, 2);
$response = trim($response[1]);
if ($response != 'VERIFIED') {
$this->_debugData['postback'] = $postbackQuery;
$this->_debugData['postback_result'] = $postbackResult;
throw new Exception('PayPal IPN postback failure. See ' . self::DEFAULT_LOG_FILE . ' for details.');
}
}
/**
* Post back to PayPal to check whether this request is a valid one
*
* @param Zend_Http_Client_Adapter_Interface $httpAdapter
*/
protected function _postBack(Zend_Http_Client_Adapter_Interface $httpAdapter)
{
$sReq = '';
foreach ($this->_request as $k => $v) {
$sReq .= '&' . $k . '=' . urlencode(stripslashes($v));
}
$sReq .= "&cmd=_notify-validate";
$sReq = substr($sReq, 1);
$this->_debugData['postback'] = $sReq;
$this->_debugData['postback_to'] = $this->_config->getPaypalUrl();
$httpAdapter->write(Zend_Http_Client::POST, $this->_config->getPaypalUrl(), '1.1', array(), $sReq);
try {
$response = $httpAdapter->read();
} catch (Exception $e) {
$this->_debugData['http_error'] = array('error' => $e->getMessage(), 'code' => $e->getCode());
throw $e;
}
$this->_debugData['postback_result'] = $response;
$response = preg_split('/^\\r?$/m', $response, 2);
$response = trim($response[1]);
if ($response != 'VERIFIED') {
throw new Exception('PayPal IPN postback failure. See ' . self::DEFAULT_LOG_FILE . ' for details.');
}
unset($this->_debugData['postback'], $this->_debugData['postback_result']);
}
/**
* Send the HTTP request and return an HTTP response object
*
* @param string $method
* @return Zend_Http_Response
* @throws Zend_Http_Client_Exception
*/
public function request($method = null)
{
if (!$this->uri instanceof Sabel_Http_Uri) {
$message = __METHOD__ . "() No valid URI has been passed to the client.";
throw new Sabel_Exception_Runtime($message);
}
if ($method) {
$this->setMethod($method);
}
$this->redirectCounter = 0;
$response = null;
// Make sure the adapter is loaded
if ($this->adapter == null) {
$this->setAdapter($this->config["adapter"]);
}
// Send the first request. If redirected, continue.
do {
// Clone the URI and add the additional GET parameters to it
$uri = clone $this->uri;
$query = array();
if (!empty($uri->query)) {
parse_str($uri->query, $query);
}
if (!empty($this->paramsGet)) {
$query = array_merge($query, $this->paramsGet);
}
if (!empty($query)) {
$uri->query = http_build_query($query, null, "&");
}
$body = $this->_prepareBody();
$headers = $this->_prepareHeaders();
// Open the connection, send the request and read the response
$this->adapter->connect($uri->host, $uri->port, $uri->scheme === "https" ? true : false);
$this->last_request = $this->adapter->write($this->method, $uri, $this->config["httpversion"], $headers, $body);
$response = $this->adapter->read();
if (!$response) {
$message = __METHOD__ . "() Unable to read response, or response is empty.";
throw new Sabel_Exception_Runtime($message);
}
$response = Sabel_Http_Response::fromString($response);
if ($this->config["storeresponse"]) {
$this->last_response = $response;
}
// Load cookies into cookie jar
if (isset($this->cookiejar)) {
$this->cookiejar->addCookiesFromResponse($response, $uri);
}
// If we got redirected, look for the Location header
if ($response->isRedirect() && ($location = $response->getHeader("location"))) {
// Check whether we send the exact same request again,
// or drop the parameters and send a GET request
if ($response->getStatus() == 303 || !$this->config["strictredirects"] && ($response->getStatus() == 302 || $response->getStatus() == 301)) {
$this->resetParameters();
$this->setMethod(self::GET);
}
// If we got a well formed absolute URI
$_uri = @parse_url($location);
if (isset($_uri["scheme"]) && isset($_uri["host"])) {
$this->setHeaders("host", null);
$this->setUri($location);
} else {
// Split into path and query and set the query
if (strpos($location, "?") === false) {
$query = "";
} else {
list($location, $query) = explode("?", $location, 2);
}
$this->uri->query = $query;
// Else, if we got just an absolute path, set it
if (strpos($location, "/") === 0) {
$this->uri->path = $location;
} else {
// Get the current path directory, removing any trailing slashes
$path = $this->uri->path;
$path = rtrim(substr($path, 0, strrpos($path, "/")), "/");
$this->uri->path = $path . "/" . $location;
}
}
++$this->redirectCounter;
} else {
// If we didn't get any location, stop redirecting
break;
}
} while ($this->redirectCounter < $this->config["maxredirects"]);
return $response;
}
/**
* Send the HTTP request and return an HTTP response object
*
* @param string $method
* @return Zend_Http_Response
*/
public function request($method = null)
{
if (!$this->uri instanceof Zend_Uri_Http) {
throw new Zend_Http_Client_Exception("No valid URI has been passed to the client");
}
if ($method) {
$this->setMethod($method);
}
$this->redirectCounter = 0;
$response = null;
// Send the first request. If redirected, continue.
do {
// Clone the URI and add the additional GET parameters to it
$uri = clone $this->uri;
$uri_params = array();
parse_str($uri->getQuery(), $uri_params);
$uri->setQuery(array_merge($uri_params, $this->paramsGet));
$body = $this->prepare_body();
$headers = $this->prepare_headers();
$request = implode("\r\n", $headers) . "\r\n" . $body;
$this->last_request = $request;
// Open the connection, send the request and read the response
$this->adapter->connect($uri->getHost(), $uri->getPort(), $uri->getScheme() == 'https' ? true : false);
$this->adapter->write($this->method, $uri, $this->config['httpversion'], $headers, $body);
$response = Zend_Http_Response::factory($this->adapter->read());
// Load cookies into cookie jar
if (isset($this->Cookiejar)) {
$this->Cookiejar->addCookiesFromResponse($response, $uri);
}
// If we got redirected, look for the Location header
if ($response->isRedirect() && ($location = $response->getHeader('location'))) {
// Check whether we send the exact same request again, or drop the parameters
// and send a GET request
if ($response->getStatus() == 303 || !$this->config['strictredirects'] && ($response->getStatus() == 302 || $response->getStatus() == 301)) {
$this->resetParameters();
$this->setMethod(self::GET);
}
// If we got a well formed absolute URI
if (Zend_Uri_Http::check($location)) {
$this->setHeaders('host', null);
$this->setUri($location);
} else {
// Split into path and query and set the query
list($location, $query) = explode('?', $location, 2);
$this->uri->setQueryString($query);
// Else, if we got just an absolute path, set it
if (strpos($location, '/') === 0) {
$this->uri->setPath($location);
// Else, assume we have a relative path
} else {
// Get the current path directory, removing any trailing slashes
$path = rtrim(dirname($this->uri->getPath()), "/");
$this->uri->setPath($path . '/' . $location);
}
}
$this->redirectCounter++;
} else {
// If we didn't get any location, stop redirecting
break;
}
} while ($this->redirectCounter < $this->config['maxredirects']);
return $response;
}
