/**
* Always add a x-amz-content-sha-256 for data integrity.
*/
public function signRequest(RequestInterface $request, CredentialsInterface $credentials)
{
if (!$request->hasHeader('x-amz-content-sha256')) {
$request->setHeader('x-amz-content-sha256', $this->getPresignedPayload($request));
}
parent::signRequest($request, $credentials);
}
public function signRequest(RequestInterface $request, CredentialsInterface $credentials)
{
// Ensure that the signable query string parameters are sorted
sort($this->signableQueryString);
// Add the security token header if one is being used by the credentials
if ($token = $credentials->getSecurityToken()) {
$request->setHeader('x-amz-security-token', $token);
}
// Add a date header if one is not set
if (!$request->hasHeader('date') && !$request->hasHeader('x-amz-date')) {
$request->setHeader('Date', gmdate(\DateTime::RFC2822));
}
$stringToSign = $this->createCanonicalizedString($request);
$request->getParams()->set('aws.string_to_sign', $stringToSign);
$request->setHeader('Authorization', 'AWS ' . $credentials->getAccessKeyId() . ':' . $this->signString($stringToSign, $credentials));
}
/**
* Add a prefixed array of headers to the request
*
* @param RequestInterface $request Request to update
* @param Parameter $param Parameter object
* @param array $value Header array to add
*
* @throws InvalidArgumentException
*/
protected function addPrefixedHeaders(RequestInterface $request, Parameter $param, $value)
{
if (!is_array($value)) {
throw new InvalidArgumentException('An array of mapped headers expected, but received a single value');
}
$prefix = $param->getSentAs();
foreach ($value as $headerName => $headerValue) {
$request->setHeader($prefix . $headerName, $headerValue);
}
}
public function signRequest(RequestInterface $request, CredentialsInterface $credentials)
{
// Add a date header if one is not set
if (!$request->hasHeader('date') && !$request->hasHeader('x-amz-date')) {
$request->setHeader('Date', gmdate(DateFormat::RFC1123, $this->getTimestamp()));
}
// Add the security token if one is present
if ($credentials->getSecurityToken()) {
$request->setHeader('x-amz-security-token', $credentials->getSecurityToken());
}
// Determine the string to sign
$stringToSign = (string) ($request->getHeader('Date') ?: $request->getHeader('x-amz-date'));
$request->getParams()->set('aws.string_to_sign', $stringToSign);
// Calculate the signature
$signature = base64_encode(hash_hmac('sha256', $stringToSign, $credentials->getSecretKey(), true));
// Add the authorization header to the request
$headerFormat = 'AWS3-HTTPS AWSAccessKeyId=%s,Algorithm=HmacSHA256,Signature=%s';
$request->setHeader('X-Amzn-Authorization', sprintf($headerFormat, $credentials->getAccessKeyId(), $signature));
}
public function after(CommandInterface $command, RequestInterface $request)
{
if (isset($this->data[$command])) {
// Don't overwrite the Content-Type if one is set
if ($this->jsonContentType && !$request->hasHeader('Content-Type')) {
$request->setHeader('Content-Type', $this->jsonContentType);
}
$request->setBody(json_encode($this->data[$command]));
unset($this->data[$command]);
}
}
public function after(CommandInterface $command, RequestInterface $request)
{
$xml = null;
// If data was found that needs to be serialized, then do so
if (isset($this->data[$command])) {
$xml = $this->finishDocument($this->data[$command]);
unset($this->data[$command]);
} else {
// Check if XML should always be sent for the command
$operation = $command->getOperation();
if ($operation->getData('xmlAllowEmpty')) {
$xmlWriter = $this->createRootElement($operation);
$xml = $this->finishDocument($xmlWriter);
}
}
if ($xml) {
// Don't overwrite the Content-Type if one is set
if ($this->contentType && !$request->hasHeader('Content-Type')) {
$request->setHeader('Content-Type', $this->contentType);
}
$request->setBody($xml);
}
}
public function signRequest(RequestInterface $request, CredentialsInterface $credentials)
{
$timestamp = $this->getTimestamp();
$longDate = gmdate(DateFormat::ISO8601, $timestamp);
$shortDate = substr($longDate, 0, 8);
// Remove any previously set Authorization headers so that retries work
$request->removeHeader('Authorization');
// Requires a x-amz-date header or Date
if ($request->hasHeader('x-amz-date') || !$request->hasHeader('Date')) {
$request->setHeader('x-amz-date', $longDate);
} else {
$request->setHeader('Date', gmdate(DateFormat::RFC1123, $timestamp));
}
// Add the security token if one is present
if ($credentials->getSecurityToken()) {
$request->setHeader('x-amz-security-token', $credentials->getSecurityToken());
}
// Parse the service and region or use one that is explicitly set
$region = $this->regionName;
$service = $this->serviceName;
if (!$region || !$service) {
$url = Url::factory($request->getUrl());
$region = $region ?: HostNameUtils::parseRegionName($url);
$service = $service ?: HostNameUtils::parseServiceName($url);
}
$credentialScope = $this->createScope($shortDate, $region, $service);
$payload = $this->getPayload($request);
$signingContext = $this->createSigningContext($request, $payload);
$signingContext['string_to_sign'] = $this->createStringToSign($longDate, $credentialScope, $signingContext['canonical_request']);
// Calculate the signing key using a series of derived keys
$signingKey = $this->getSigningKey($shortDate, $region, $service, $credentials->getSecretKey());
$signature = hash_hmac('sha256', $signingContext['string_to_sign'], $signingKey);
$request->setHeader('Authorization', "AWS4-HMAC-SHA256 " . "Credential={$credentials->getAccessKeyId()}/{$credentialScope}, " . "SignedHeaders={$signingContext['signed_headers']}, Signature={$signature}");
// Add debug information to the request
$request->getParams()->set('aws.signature', $signingContext);
}
/**
* Update a request based on the log messages of the CurlHandle
*
* @param RequestInterface $request Request to update
*/
public function updateRequestFromTransfer(RequestInterface $request)
{
if (!$request->getResponse()) {
return;
}
// Update the transfer stats of the response
$request->getResponse()->setInfo($this->getInfo());
if (!($log = $this->getStderr(true))) {
return;
}
// Parse the cURL stderr output for outgoing requests
$headers = '';
fseek($log, 0);
while (($line = fgets($log)) !== false) {
if ($line && $line[0] == '>') {
$headers = substr(trim($line), 2) . "\r\n";
while (($line = fgets($log)) !== false) {
if ($line[0] == '*' || $line[0] == '<') {
break;
} else {
$headers .= trim($line) . "\r\n";
}
}
}
}
// Add request headers to the request exactly as they were sent
if ($headers) {
$parsed = ParserRegistry::getInstance()->getParser('message')->parseRequest($headers);
if (!empty($parsed['headers'])) {
$request->setHeaders(array());
foreach ($parsed['headers'] as $name => $value) {
$request->setHeader($name, $value);
}
}
if (!empty($parsed['version'])) {
$request->setProtocolVersion($parsed['version']);
}
}
}
/**
* Prepare a request to be sent from the Client by adding client specific behaviors and properties to the request.
*
* @param RequestInterface $request Request to prepare for the client
* @param array $options Options to apply to the request
*
* @return RequestInterface
*/
protected function prepareRequest(RequestInterface $request, array $options = array())
{
$request->setClient($this)->setEventDispatcher(clone $this->getEventDispatcher());
if ($curl = $this->config[self::CURL_OPTIONS]) {
$request->getCurlOptions()->overwriteWith(CurlHandle::parseCurlConfig($curl));
}
if ($params = $this->config[self::REQUEST_PARAMS]) {
Version::warn('request.params is deprecated. Use request.options to add default request options.');
$request->getParams()->overwriteWith($params);
}
if ($this->userAgent && !$request->hasHeader('User-Agent')) {
$request->setHeader('User-Agent', $this->userAgent);
}
if ($defaults = $this->config[self::REQUEST_OPTIONS]) {
$this->requestFactory->applyOptions($request, $defaults, RequestFactoryInterface::OPTIONS_AS_DEFAULTS);
}
if ($options) {
$this->requestFactory->applyOptions($request, $options);
}
$this->dispatch('client.create_request', array('client' => $this, 'request' => $request));
return $request;
}
protected function visit_headers(RequestInterface $request, $value, $flags)
{
if (!is_array($value)) {
throw new InvalidArgumentException('headers value must be an array');
}
if ($flags & self::OPTIONS_AS_DEFAULTS) {
// Merge headers in but do not overwrite existing values
foreach ($value as $key => $header) {
if (!$request->hasHeader($key)) {
$request->setHeader($key, $header);
}
}
} else {
$request->addHeaders($value);
}
}
