/**
* Cast to HTTP query string
*
* @param mixed $url
* @param Zend\OAuth\Config $config
* @param null|array $params
* @return string
*/
public function toQueryString($url, Config $config, array $params = null)
{
$uri = new URI\URL($url);
if (!$uri->isValid() || !in_array($uri->getScheme(), array('http', 'https'))) {
throw new OAuth\Exception('\'' . $url . '\' is not a valid URI');
}
$params = $this->_httpUtility->assembleParams($url, $config, $params);
return $this->_httpUtility->toEncodedQueryString($params);
}
/**
* Attempt to turn a relative URI into an absolute URI
*/
protected function _absolutiseUri($link, $uri = null)
{
if (!URI\URL::validate($link)) {
if (!is_null($uri)) {
$uri = new URI\URL($uri);
if ($link[0] !== '/') {
$link = $uri->getPath() . '/' . $link;
}
$link = $uri->getScheme() . '://' . $uri->getHost() . '/' . $this->_canonicalizePath($link);
if (!URI\Zend\Uri\Uri::check($link)) {
$link = null;
}
}
}
return $link;
}
public function testReloadAllowsCustomURI()
{
$uriOverride = 'http://www.example.org';
$etag = 'ABCD1234';
$this->service->setMajorProtocolVersion(2);
$this->adapter->setResponse($this->httpEntrySample);
$entry = $this->service->newEntry();
$entry->link = array(new Extension\Link('http://www.example.com', 'edit', 'application/atom+xml'));
$entry->setEtag($etag);
$newEntry = $entry->reload($uriOverride);
$requestUri = $this->adapter->popRequest()->uri;
$uriOverrideObject = new URI\URL($uriOverride);
$uriOverrideObject->setPort('80');
$this->assertEquals($uriOverrideObject, $requestUri);
}
/**
* Get a specific cookie according to a URI and name
*
* @param \Zend\URI\URL|string $uri The uri (domain and path) to match
* @param string $cookie_name The cookie's name
* @param int $ret_as Whether to return cookies as objects of \Zend\HTTP\Cookie or as strings
* @return \Zend\HTTP\Cookie|string
*/
public function getCookie($uri, $cookie_name, $ret_as = self::COOKIE_OBJECT)
{
if (is_string($uri)) {
$uri = new URI\URL($uri);
}
if (!$uri instanceof URI\URL) {
throw new Exception('Invalid URI specified');
}
$host = $uri->getHost();
if (empty($host)) {
throw new Exception('Invalid URI specified; host missing');
}
// Get correct cookie path
$path = $uri->getPath();
$path = substr($path, 0, strrpos($path, '/'));
if (!$path) {
$path = '/';
}
if (isset($this->cookies[$uri->getHost()][$path][$cookie_name])) {
$cookie = $this->cookies[$uri->getHost()][$path][$cookie_name];
switch ($ret_as) {
case self::COOKIE_OBJECT:
return $cookie;
break;
case self::COOKIE_STRING_ARRAY:
case self::COOKIE_STRING_CONCAT:
return $cookie->__toString();
break;
default:
throw new Exception("Invalid value passed for \$ret_as: {$ret_as}");
break;
}
} else {
return false;
}
}
/**
* Send request to the remote server
*
* @param string $method
* @param \Zend\URI\URL $uri
* @param string $http_ver
* @param array $headers
* @param string $body
* @return string Request as string
*/
public function write($method, $uri, $http_ver = '1.1', $headers = array(), $body = '')
{
// Make sure we're properly connected
if (!$this->socket) {
throw new Exception('Trying to write but we are not connected');
}
$host = $uri->getHost();
$host = (strtolower($uri->getScheme()) == 'https' ? $this->config['ssltransport'] : 'tcp') . '://' . $host;
if ($this->connected_to[0] != $host || $this->connected_to[1] != $uri->getPort()) {
throw new Exception('Trying to write but we are connected to the wrong host');
}
// Save request method for later
$this->method = $method;
// Build request headers
$path = $uri->getPath();
if ($uri->getQuery()) {
$path .= '?' . $uri->getQuery();
}
$request = "{$method} {$path} HTTP/{$http_ver}\r\n";
foreach ($headers as $k => $v) {
if (is_string($k)) {
$v = ucfirst($k) . ": {$v}";
}
$request .= "{$v}\r\n";
}
if (is_resource($body)) {
$request .= "\r\n";
} else {
// Add the request body
$request .= "\r\n" . $body;
}
// Send the request
if (!@fwrite($this->socket, $request)) {
throw new Exception('Error writing request to server');
}
if (is_resource($body)) {
if (stream_copy_to_stream($body, $this->socket) == 0) {
throw new Exception('Error writing request to server');
}
}
return $request;
}
/**
* Adds an enclosure to the entry.
*
* @param array $enclosures
*/
public function setEnclosure(array $enclosure)
{
if (!isset($enclosure['type'])) {
throw new Feed\Exception('Enclosure "type" is not set');
}
if (!isset($enclosure['length'])) {
throw new Feed\Exception('Enclosure "length" is not set');
}
if (!isset($enclosure['uri'])) {
throw new Feed\Exception('Enclosure "uri" is not set');
}
if (!\Zend\URI\URL::validate($enclosure['uri'])) {
throw new Feed\Exception('Enclosure "uri" is not a valid URI/IRI');
}
if ((int) $enclosure['length'] <= 0) {
throw new Feed\Exception('Enclosure "length" must be an integer' . ' indicating the content\'s length in bytes');
}
$this->_data['enclosure'] = $enclosure;
}
/**
* Set new feed URL
*
* @param string $value
* @return \Zend\Feed\Writer\Extension\ITunes\Feed
*/
public function setItunesNewFeedUrl($value)
{
if (!\Zend\URI\URL::validate($value)) {
throw new \Zend\Feed\Exception('invalid parameter: "newFeedUrl" may only' . ' be a valid URI/IRI');
}
$this->_data['newFeedUrl'] = $value;
return $this;
}
/**
* Set entry identifier
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setId(\DOMDocument $dom, \DOMElement $root)
{
if (!$this->getDataContainer()->getId() && !$this->getDataContainer()->getLink()) {
return;
}
$id = $dom->createElement('guid');
$root->appendChild($id);
if (!$this->getDataContainer()->getId()) {
$this->getDataContainer()->setId($this->getDataContainer()->getLink());
}
$text = $dom->createTextNode($this->getDataContainer()->getId());
$id->appendChild($text);
if (!\Zend\URI\URL::validate($this->getDataContainer()->getId())) {
$id->setAttribute('isPermaLink', 'false');
}
}
/**
* Send request to the remote server
*
* @param string $method
* @param \Zend\URI\URL $uri
* @param float $http_ver
* @param array $headers
* @param string $body
* @return string $request
* @throws \Zend\HTTP\Client\Adapter\Exception If connection fails, connected to wrong host, no PUT file defined, unsupported method, or unsupported cURL option
*/
public function write($method, $uri, $httpVersion = 1.1, $headers = array(), $body = '')
{
// Make sure we're properly connected
if (!$this->_curl) {
throw new Exception("Trying to write but we are not connected");
}
if ($this->_connected_to[0] != $uri->getHost() || $this->_connected_to[1] != $uri->getPort()) {
throw new Exception("Trying to write but we are connected to the wrong host");
}
// set URL
curl_setopt($this->_curl, CURLOPT_URL, $uri->__toString());
// ensure correct curl call
$curlValue = true;
switch ($method) {
case Client\Client::GET:
$curlMethod = CURLOPT_HTTPGET;
break;
case Client\Client::POST:
$curlMethod = CURLOPT_POST;
break;
case Client\Client::PUT:
// There are two different types of PUT request, either a Raw Data string has been set
// or CURLOPT_INFILE and CURLOPT_INFILESIZE are used.
if (is_resource($body)) {
$this->_config['curloptions'][CURLOPT_INFILE] = $body;
}
if (isset($this->_config['curloptions'][CURLOPT_INFILE])) {
// Now we will probably already have Content-Length set, so that we have to delete it
// from $headers at this point:
foreach ($headers as $k => $header) {
if (preg_match('/Content-Length:\\s*(\\d+)/i', $header, $m)) {
if (is_resource($body)) {
$this->_config['curloptions'][CURLOPT_INFILESIZE] = (int) $m[1];
}
unset($headers[$k]);
}
}
if (!isset($this->_config['curloptions'][CURLOPT_INFILESIZE])) {
throw new Exception("Cannot set a file-handle for cURL option CURLOPT_INFILE without also setting its size in CURLOPT_INFILESIZE.");
}
if (is_resource($body)) {
$body = '';
}
$curlMethod = CURLOPT_PUT;
} else {
$curlMethod = CURLOPT_CUSTOMREQUEST;
$curlValue = "PUT";
}
break;
case Client\Client::DELETE:
$curlMethod = CURLOPT_CUSTOMREQUEST;
$curlValue = "DELETE";
break;
case Client\Client::OPTIONS:
$curlMethod = CURLOPT_CUSTOMREQUEST;
$curlValue = "OPTIONS";
break;
case Client\Client::TRACE:
$curlMethod = CURLOPT_CUSTOMREQUEST;
$curlValue = "TRACE";
break;
default:
// For now, through an exception for unsupported request methods
throw new Exception("Method currently not supported");
}
if (is_resource($body) && $curlMethod != CURLOPT_PUT) {
throw new Exception("Streaming requests are allowed only with PUT");
}
// get http version to use
$curlHttp = $httpVersion == 1.1 ? CURL_HTTP_VERSION_1_1 : CURL_HTTP_VERSION_1_0;
// mark as HTTP request and set HTTP method
curl_setopt($this->_curl, $curlHttp, true);
curl_setopt($this->_curl, $curlMethod, $curlValue);
if ($this->out_stream) {
// headers will be read into the response
curl_setopt($this->_curl, CURLOPT_HEADER, false);
curl_setopt($this->_curl, CURLOPT_HEADERFUNCTION, array($this, "readHeader"));
// and data will be written into the file
curl_setopt($this->_curl, CURLOPT_FILE, $this->out_stream);
} else {
// ensure headers are also returned
curl_setopt($this->_curl, CURLOPT_HEADER, true);
// ensure actual response is returned
curl_setopt($this->_curl, CURLOPT_RETURNTRANSFER, true);
}
// set additional headers
$headers['Accept'] = '';
curl_setopt($this->_curl, CURLOPT_HTTPHEADER, $headers);
/**
* Make sure POSTFIELDS is set after $curlMethod is set:
* @link http://de2.php.net/manual/en/function.curl-setopt.php#81161
*/
if ($method == Client\Client::POST) {
curl_setopt($this->_curl, CURLOPT_POSTFIELDS, $body);
} elseif ($curlMethod == CURLOPT_PUT) {
// this covers a PUT by file-handle:
// Make the setting of this options explicit (rather than setting it through the loop following a bit lower)
// to group common functionality together.
curl_setopt($this->_curl, CURLOPT_INFILE, $this->_config['curloptions'][CURLOPT_INFILE]);
curl_setopt($this->_curl, CURLOPT_INFILESIZE, $this->_config['curloptions'][CURLOPT_INFILESIZE]);
unset($this->_config['curloptions'][CURLOPT_INFILE]);
unset($this->_config['curloptions'][CURLOPT_INFILESIZE]);
} elseif ($method == Client\Client::PUT) {
// This is a PUT by a setRawData string, not by file-handle
curl_setopt($this->_curl, CURLOPT_POSTFIELDS, $body);
}
// set additional curl options
if (isset($this->_config['curloptions'])) {
foreach ((array) $this->_config['curloptions'] as $k => $v) {
if (!in_array($k, $this->_invalidOverwritableCurlOptions)) {
if (curl_setopt($this->_curl, $k, $v) == false) {
throw new Client\Exception(sprintf("Unknown or erroreous cURL option '%s' set", $k));
}
}
}
}
// send the request
$response = curl_exec($this->_curl);
// if we used streaming, headers are already there
if (!is_resource($this->out_stream)) {
$this->_response = $response;
}
$request = curl_getinfo($this->_curl, CURLINFO_HEADER_OUT);
$request .= $body;
if (empty($this->_response)) {
throw new Client\Exception("Error in cURL request: " . curl_error($this->_curl));
}
// cURL automatically decodes chunked-messages, this means we have to disallow the Zend_Http_Response to do it again
if (stripos($this->_response, "Transfer-Encoding: chunked\r\n")) {
$this->_response = str_ireplace("Transfer-Encoding: chunked\r\n", '', $this->_response);
}
// Eliminate multiple HTTP responses.
do {
$parts = preg_split('|(?:\\r?\\n){2}|m', $this->_response, 2);
$again = false;
if (isset($parts[1]) && preg_match("|^HTTP/1\\.[01](.*?)\r\n|mi", $parts[1])) {
$this->_response = $parts[1];
$again = true;
}
} while ($again);
// cURL automatically handles Proxy rewrites, remove the "HTTP/1.0 200 Connection established" string:
if (stripos($this->_response, "HTTP/1.0 200 Connection established\r\n\r\n") !== false) {
$this->_response = str_ireplace("HTTP/1.0 200 Connection established\r\n\r\n", '', $this->_response);
}
return $request;
}
/**
* Generate a new Cookie object from a cookie string
* (for example the value of the Set-Cookie HTTP header)
*
* @param string $cookieStr
* @param \Zend\URI\URL|string $refUri Reference URI for default values (domain, path)
* @param boolean $encodeValue Weither or not the cookie's value should be
* passed through urlencode/urldecode
* @return \Zend\HTTP\Cookie A new \Zend\HTTP\Cookie object or false on failure.
*/
public static function fromString($cookieStr, $refUri = null, $encodeValue = true)
{
// Set default values
if (is_string($refUri)) {
$refUri = new URI\URL($refUri);
}
$name = '';
$value = '';
$domain = '';
$path = '';
$expires = null;
$secure = false;
$parts = explode(';', $cookieStr);
// If first part does not include '=', fail
if (strpos($parts[0], '=') === false) {
return false;
}
// Get the name and value of the cookie
list($name, $value) = explode('=', trim(array_shift($parts)), 2);
$name = trim($name);
if ($encodeValue) {
$value = urldecode(trim($value));
}
// Set default domain and path
if ($refUri instanceof URI\URL) {
$domain = $refUri->getHost();
$path = $refUri->getPath();
$path = substr($path, 0, strrpos($path, '/'));
}
// Set other cookie parameters
foreach ($parts as $part) {
$part = trim($part);
if (strtolower($part) == 'secure') {
$secure = true;
continue;
}
$keyValue = explode('=', $part, 2);
if (count($keyValue) == 2) {
list($k, $v) = $keyValue;
switch (strtolower($k)) {
case 'expires':
if (($expires = strtotime($v)) === false) {
/**
* The expiration is past Tue, 19 Jan 2038 03:14:07 UTC
* the maximum for 32-bit signed integer. Zend_Date
* can get around that limit.
*/
$expireDate = new \Zend\Date\Date($v);
$expires = $expireDate->getTimestamp();
}
break;
case 'path':
$path = $v;
break;
case 'domain':
$domain = $v;
break;
default:
break;
}
}
}
if ($name !== '') {
$ret = new self($name, $value, $domain, $expires, $path, $secure);
$ret->encodeValue = $encodeValue ? true : false;
return $ret;
} else {
return false;
}
}
/**
* Constructor
*
* If a $uri is passed, the object will attempt to populate itself using
* that information.
*
* @param string|\Zend\Uri\Uri $uri
* @return void
* @throws \Zend\Controller\Request\Exception when invalid URI passed
*/
public function __construct($uri = null)
{
if (null !== $uri) {
if (!$uri instanceof URI\URL) {
$uri = new URI\URL($uri);
}
if ($uri->isValid()) {
$path = $uri->getPath();
$query = $uri->getQuery();
if (!empty($query)) {
$path .= '?' . $query;
}
$this->setRequestUri($path);
} else {
throw new Exception('Invalid URI provided to constructor');
}
} else {
$this->setRequestUri();
}
}
/**
* Send request to the remote server
*
* @param string $method
* @param \Zend\URI\URL $uri
* @param string $http_ver
* @param array $headers
* @param string $body
* @return string Request as string
*/
public function write($method, $uri, $http_ver = '1.1', $headers = array(), $body = '')
{
$host = $uri->getHost();
$host = strtolower($uri->getScheme()) == 'https' ? 'sslv2://' . $host : $host;
// Build request headers
$path = $uri->getPath();
if ($uri->getQuery()) {
$path .= '?' . $uri->getQuery();
}
$request = "{$method} {$path} HTTP/{$http_ver}\r\n";
foreach ($headers as $k => $v) {
if (is_string($k)) {
$v = ucfirst($k) . ": {$v}";
}
$request .= "{$v}\r\n";
}
// Add the request body
$request .= "\r\n" . $body;
// Do nothing - just return the request as string
return $request;
}
/**
* Determine if a given URL is valid
*
* @param string $url
* @return void
* @throws Zend\OAuth\Exception
*/
protected function _validateUrl($url)
{
$uri = new URI\URL($url);
if (!$uri->isValid()) {
throw new OAuth\Exception(sprintf("'%s' is not a valid URI", $url));
} elseif (!in_array($uri->getScheme(), array('http', 'https'))) {
throw new OAuth\Exception(sprintf("'%s' is not a valid URI", $url));
}
}
/**
* Add a URL to a topic (Atom or RSS feed) which has been updated
*
* @param string $url
* @return \Zend\Feed\PubSubHubbub\Publisher
*/
public function addUpdatedTopicUrl($url)
{
if (empty($url) || !is_string($url) || !\Zend\URI\URL::validate($url)) {
throw new Exception('Invalid parameter "url"' . ' of "' . $url . '" must be a non-empty string and a valid' . 'URL');
}
$this->_updatedTopicUrls[] = $url;
return $this;
}
/**
* Set link to feed
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setLink(\DOMDocument $dom, \DOMElement $root)
{
$value = $this->getDataContainer()->getLink();
if (!$value) {
$message = 'RSS 2.0 feed elements MUST contain exactly one' . ' link element but one has not been set';
$exception = new Feed\Exception($message);
if (!$this->_ignoreExceptions) {
throw $exception;
} else {
$this->_exceptions[] = $exception;
return;
}
}
$link = $dom->createElement('link');
$root->appendChild($link);
$text = $dom->createTextNode($value);
$link->appendChild($text);
if (!\Zend\URI\URL::validate($value)) {
$link->setAttribute('isPermaLink', 'false');
}
}
public function setBy(array $by)
{
$author = array();
if (!array_key_exists('name', $by) || empty($by['name']) || !is_string($by['name'])) {
throw new Feed\Exception('Invalid parameter: author array must include a "name" key with a non-empty string value');
}
$author['name'] = $by['name'];
if (isset($by['email'])) {
if (empty($by['email']) || !is_string($by['email'])) {
throw new Feed\Exception('Invalid parameter: "email" array value must be a non-empty string');
}
$author['email'] = $by['email'];
}
if (isset($by['uri'])) {
if (empty($by['uri']) || !is_string($by['uri']) || !\Zend\URI\URL::validate($by['uri'])) {
throw new Feed\Exception('Invalid parameter: "uri" array value must be a non-empty string and valid URI/IRI');
}
$author['uri'] = $by['uri'];
}
$this->_data['by'] = $author;
}
/**
* Attempt to absolutise the URI, i.e. if a relative URI apply the
* xml:base value as a prefix to turn into an absolute URI.
*/
protected function _absolutiseUri($link)
{
if (!\Zend\URI\URL::validate($link)) {
if (!is_null($this->getBaseUrl())) {
$link = $this->getBaseUrl() . $link;
if (!\Zend\URI\URL::validate($link)) {
$link = null;
}
}
}
return $link;
}
/**
* Set entry identifier
*
* @param \DOMDocument $dom
* @param \DOMElement $root
* @return void
*/
protected function _setId(\DOMDocument $dom, \DOMElement $root)
{
if (!$this->getDataContainer()->getId() && !$this->getDataContainer()->getLink()) {
$message = 'Atom 1.0 entry elements MUST contain exactly one ' . 'atom:id element, or as an alternative, we can use the same ' . 'value as atom:link however neither a suitable link nor an ' . 'id have been set';
$exception = new Writer\Exception($message);
if (!$this->_ignoreExceptions) {
throw $exception;
} else {
$this->_exceptions[] = $exception;
return;
}
}
if (!$this->getDataContainer()->getId()) {
$this->getDataContainer()->setId($this->getDataContainer()->getLink());
}
if (!URI\URL::validate($this->getDataContainer()->getId()) && !preg_match("#^urn:[a-zA-Z0-9][a-zA-Z0-9\\-]{1,31}:([a-zA-Z0-9\\(\\)\\+\\,\\.\\:\\=\\@\\;\$\\_\\!\\*\\-]|%[0-9a-fA-F]{2})*#", $this->getDataContainer()->getId()) && !$this->_validateTagUri($this->getDataContainer()->getId())) {
throw new Exception('Atom 1.0 IDs must be a valid URI/IRI');
}
$id = $dom->createElement('id');
$root->appendChild($id);
$text = $dom->createTextNode($this->getDataContainer()->getId());
$id->appendChild($text);
}
/**
* @group ZF-1480
*/
public function testRemoveQueryParametersModifiesQueryAndReturnsOldQuery()
{
$url = new URL('http://example.com/foo/?a=1&b=2&c=3&d=4');
$url->removeQueryParameters(array('b', 'd', 'e'));
$this->assertEquals(array('a' => 1, 'c' => 3), $url->getQueryAsArray());
$this->assertEquals('a=1&c=3', $url->getQuery());
}
/**
* Checks validity of the request simply by making a quick pass and
* confirming the presence of all REQUIRED parameters.
*
* @param array $httpGetData
* @return bool
*/
public function isValidHubVerification(array $httpGetData)
{
/**
* As per the specification, the hub.verify_token is OPTIONAL. This
* implementation of Pubsubhubbub considers it REQUIRED and will
* always send a hub.verify_token parameter to be echoed back
* by the Hub Server. Therefore, its absence is considered invalid.
*/
if (strtolower($_SERVER['REQUEST_METHOD']) !== 'get') {
return false;
}
$required = array('hub_mode', 'hub_topic', 'hub_challenge', 'hub_verify_token');
foreach ($required as $key) {
if (!array_key_exists($key, $httpGetData)) {
return false;
}
}
if ($httpGetData['hub_mode'] !== 'subscribe' && $httpGetData['hub_mode'] !== 'unsubscribe') {
return false;
}
if ($httpGetData['hub_mode'] == 'subscribe' && !array_key_exists('hub_lease_seconds', $httpGetData)) {
return false;
}
if (!\Zend\URI\URL::validate($httpGetData['hub_topic'])) {
return false;
}
/**
* Attempt to retrieve any Verification Token Key attached to Callback
* URL's path by our Subscriber implementation
*/
if (!$this->_hasValidVerifyToken($httpGetData)) {
return false;
}
return true;
}
/**
* Prepare the request headers
*
* @return array
*/
protected function _prepareHeaders()
{
$headers = array();
// Set the host header
if (!isset($this->headers['host'])) {
$host = $this->uri->getHost();
// If the port is not default, add it
if (!($this->uri->getScheme() == 'http' && $this->uri->getPort() == 80 || $this->uri->getScheme() == 'https' && $this->uri->getPort() == 443)) {
$host .= ':' . $this->uri->getPort();
}
$headers[] = "Host: {$host}";
}
// Set the connection header
if (!isset($this->headers['connection'])) {
if (!$this->config['keepalive']) {
$headers[] = "Connection: close";
}
}
// Set the Accept-encoding header if not set - depending on whether
// zlib is available or not.
if (!isset($this->headers['accept-encoding'])) {
if (function_exists('gzinflate')) {
$headers[] = 'Accept-encoding: gzip, deflate';
} else {
$headers[] = 'Accept-encoding: identity';
}
}
// Set the Content-Type header
if ($this->method == self::POST && (!isset($this->headers[strtolower(self::CONTENT_TYPE)]) && isset($this->enctype))) {
$headers[] = self::CONTENT_TYPE . ': ' . $this->enctype;
}
// Set the user agent header
if (!isset($this->headers['user-agent']) && isset($this->config['useragent'])) {
$headers[] = "User-Agent: {$this->config['useragent']}";
}
// Set HTTP authentication if needed
if (is_array($this->auth)) {
$auth = self::encodeAuthHeader($this->auth['user'], $this->auth['password'], $this->auth['type']);
$headers[] = "Authorization: {$auth}";
}
// Load cookies from cookie jar
if (isset($this->cookiejar)) {
$cookstr = $this->cookiejar->getMatchingCookies($this->uri, true, HTTP\CookieJar::COOKIE_STRING_CONCAT);
if ($cookstr) {
$headers[] = "Cookie: {$cookstr}";
}
}
// Add all other user defined headers
foreach ($this->headers as $header) {
list($name, $value) = $header;
if (is_array($value)) {
$value = implode(', ', $value);
}
$headers[] = "{$name}: {$value}";
}
return $headers;
}