/**
* Request before-send event handler.
*
* @param \Guzzle\Common\Event $event
*/
public function onRequestBeforeSend(Event $event)
{
$apiKey = $this->config->get('api_key');
$username = $this->config->get('username');
$password = $this->config->get('password');
$this->addApiKey($event['request'], $apiKey)->addAuthorizationHeader($event['request'], $username, $password);
}
/**
* Default method to execute when credentials are not specified
*
* @param Collection $config Config options
*
* @return CredentialsInterface
*/
protected function defaultMissingFunction(Collection $config)
{
if ($config->get(Options::KEY) && $config->get(Options::SECRET)) {
// Credentials were not provided, so create them using keys
return Credentials::factory($config->getAll());
}
// Attempt to get credentials from the EC2 instance profile server
return new RefreshableInstanceProfileCredentials(new Credentials('', '', '', 1));
}
/**
* @param string $group
*
* @return string
*/
public function getConfigFilename($group)
{
$conf_files = $this->config->get('conf_files');
if (!isset($conf_files[$group])) {
$filename = $this->config['conf_dir'] . '/' . $group . '.json';
$conf_files[$group] = $filename;
}
$this->config->set('conf_files', $conf_files);
return $conf_files[$group];
}
/**
* Collects items from the result of a DynamoDB operation and returns them as an ItemIterator.
*
* @param Collection $result The result of a DynamoDB operation that potentially contains items
* (e.g., BatchGetItem, DeleteItem, GetItem, PutItem, Query, Scan, UpdateItem)
*
* @return self
*/
public static function fromResult(Collection $result)
{
if (!($items = $result->get('Items'))) {
if ($item = $result->get('Item') ?: $result->get('Attributes')) {
$items = array($item);
} else {
$items = $result->getPath('Responses/*');
}
}
return new self(new \ArrayIterator($items ?: array()));
}
/**
* Create a collection of files to be migrated and add them to the read queue
*/
protected function enqueueGetRequests()
{
$files = $this->oldContainer->objectList(array('limit.total' => false, 'limit.page' => $this->options->get('read.pageLimit')));
foreach ($files as $file) {
$this->readQueue->add($this->getClient()->get($file->getUrl()));
}
}
/**
* Retrieve access token
*
* @param Collection $config
*
* @return string
*/
protected static function retrieveAccessToken(Collection $config)
{
$client = new \Guzzle\Http\Client($config->get('oauth2_token'));
$request = $client->get();
$query = $request->getQuery();
$query->set('grant_type', $config->get('grant_type'));
$query->set('client_id', $config->get('client_id'));
$query->set('client_secret', $config->get('client_secret'));
$query->set('api_key', $config->get('api_key'));
try {
$response = $request->send();
$json = $response->json();
} catch (\Guzzle\Http\Exception\BadResponseException $ex) {
throw new \Exception('Bad authentification, please check your oauth settings');
}
return $json['access_token'];
}
/**
* @covers Guzzle\Common\Collection::offsetGet
* @covers Guzzle\Common\Collection::offsetSet
* @covers Guzzle\Common\Collection::offsetUnset
* @covers Guzzle\Common\Collection::offsetExists
*/
public function testImplementsArrayAccess()
{
$this->coll->merge(array('k1' => 'v1', 'k2' => 'v2'));
$this->assertTrue($this->coll->offsetExists('k1'));
$this->assertFalse($this->coll->offsetExists('Krull'));
$this->coll->offsetSet('k3', 'v3');
$this->assertEquals('v3', $this->coll->offsetGet('k3'));
$this->assertEquals('v3', $this->coll->get('k3'));
$this->coll->offsetUnset('k1');
$this->assertFalse($this->coll->offsetExists('k1'));
}
public function testConstructorCallsResolvers()
{
$config = new Collection(array(Options::ENDPOINT_PROVIDER => $this->getMock('Aws\\Common\\Region\\EndpointProviderInterface')));
$signature = new SignatureV4();
$credentials = new Credentials('test', '123');
$config->set('client.resolvers', array(new BackoffOptionResolver(function () {
return BackoffPlugin::getExponentialBackoff();
})));
$client = $this->getMockBuilder('Aws\\Common\\Client\\AbstractClient')->setConstructorArgs(array($credentials, $signature, $config))->getMockForAbstractClass();
// Ensure that lazy resolvers were triggered
$this->assertInstanceOf('Guzzle\\Plugin\\Backoff\\BackoffPlugin', $client->getConfig(Options::BACKOFF));
// Ensure that the client removed the option
$this->assertNull($config->get('client.resolvers'));
}
/**
* {@inheritdoc}
*/
public function resolve(Collection $config, AwsClientInterface $client = null)
{
// A user can inject the plugin in their options array or have one
// created for them by default
$plugin = $config->get(Options::BACKOFF);
if (!$plugin && $this->missingFunction) {
$plugin = call_user_func($this->missingFunction, $config, $client);
$config->set(Options::BACKOFF, $plugin);
// The log option can be set to `debug` or an instance of a LogAdapterInterface
if ($logger = $config->get(Options::BACKOFF_LOGGER)) {
$this->addLogger($plugin, $logger, $config->get(Options::BACKOFF_LOGGER_TEMPLATE));
}
}
// Ensure that the plugin implements the correct interface
if ($plugin && !$plugin instanceof BackoffPlugin) {
throw new InvalidArgumentException(Options::BACKOFF . ' must be an instance of Guzzle\\Plugin\\Backoff\\BackoffPlugin');
}
// Attach the BackoffPlugin to the client
if ($client) {
$client->addSubscriber($plugin, -255);
}
}
/**
* {@inheritdoc}
*/
public function resolve(Collection $config, AwsClientInterface $client = null)
{
$signature = $config->get(Options::SIGNATURE);
// Ensure that a signature object is passed to the client
if (!$signature && $this->missingFunction) {
// The signature was not provided, so use the callback to get one
$signature = call_user_func($this->missingFunction, $config);
$config->set(Options::SIGNATURE, $signature);
} elseif (!$signature instanceof $this->mustImplement) {
throw new InvalidArgumentException('An explicitly provided ' . Options::SIGNATURE . ' option must implement SignatureInterface');
}
// If this is a region and service specific signature object then add
// these values to the signature object if they are present in the config
if ($signature instanceof EndpointSignatureInterface) {
if ($serviceName = $config->get(Options::SIGNATURE_SERVICE)) {
$signature->setServiceName($serviceName);
}
if ($regionName = $config->get(Options::SIGNATURE_REGION)) {
$signature->setRegionName($regionName);
}
}
}
/**
* @dataProvider falseyDataProvider
*/
public function testReturnsCorrectData($a, $b)
{
$c = new Collection(array('value' => $a));
$this->assertSame($b, $c->get('value'));
}
/**
* Return an appropriate signature object for a a client based on a description
*
* @param ServiceDescription $description Description that holds a signature option
* @param Collection $config Configuration options
*
* @throws InvalidArgumentException
*/
protected function addSignature(ServiceDescription $description, Collection $config)
{
if (!($signature = $config->get(Options::SIGNATURE))) {
if (!$description->getData('signatureVersion')) {
throw new InvalidArgumentException('The service description does not specify a signatureVersion');
}
switch ($description->getData('signatureVersion')) {
case 'v2':
$signature = new SignatureV2();
break;
case 'v3':
$signature = new SignatureV3();
break;
case 'v3https':
$signature = new SignatureV3Https();
break;
case 'v4':
$signature = new SignatureV4();
break;
}
}
// Allow a custom service name or region value to be provided
if ($signature instanceof EndpointSignatureInterface) {
$signature->setServiceName($config->get(Options::SIGNATURE_SERVICE) ?: $description->getData('signingName'));
$signature->setRegionName($config->get(Options::SIGNATURE_REGION));
}
$config->set(Options::SIGNATURE, $signature);
}
/**
* Add a base URL to the client of a region, scheme, and service were provided instead
*
* @param Collection $config Config object
*
* @throws InvalidArgumentException if required parameters are not set
*/
protected function addBaseUrlToConfig(Collection $config)
{
$region = $config->get(Options::REGION);
$service = $config->get(Options::SERVICE);
if (!$region || !$service) {
throw new InvalidArgumentException('You must specify a [base_url] or a [region, service, and optional scheme]');
}
$endpoint = $config->get(Options::ENDPOINT_PROVIDER)->getEndpoint($service, $region);
$config->set(Options::BASE_URL, $endpoint->getBaseUrl($config->get(Options::SCHEME)));
}
/**
* {@inheritdoc}
* @throws ValidationException when validation errors occur
*/
public function validate(Collection $config, Inspector $inspector = null)
{
$inspector = $inspector ?: Inspector::getInstance();
$typeValidation = $inspector->getTypeValidation();
$errors = array();
foreach ($this->params as $name => $arg) {
$currentValue = $config->get($name);
$configValue = $arg->getValue($currentValue);
// Inject configuration information into the config value
if ($configValue && is_string($configValue)) {
$configValue = $config->inject($configValue);
}
// Ensure that required arguments are set
if ($arg->getRequired() && ($configValue === null || $configValue === '')) {
$errors[] = 'Requires that the ' . $name . ' argument be supplied.' . ($arg->getDoc() ? ' (' . $arg->getDoc() . ').' : '');
continue;
}
// Ensure that the correct data type is being used
if ($typeValidation && $configValue !== null && ($argType = $arg->getType())) {
$validation = $inspector->validateConstraint($argType, $configValue, $arg->getTypeArgs());
if ($validation !== true) {
$errors[] = $name . ': ' . $validation;
$config->set($name, $configValue);
continue;
}
}
$configValue = $arg->filter($configValue);
// Update the config value if it changed
if (!$configValue !== $currentValue) {
$config->set($name, $configValue);
}
// Check the length values if validating data
$argMinLength = $arg->getMinLength();
if ($argMinLength && strlen($configValue) < $argMinLength) {
$errors[] = 'Requires that the ' . $name . ' argument be >= ' . $arg->getMinLength() . ' characters.';
}
$argMaxLength = $arg->getMaxLength();
if ($argMaxLength && strlen($configValue) > $argMaxLength) {
$errors[] = 'Requires that the ' . $name . ' argument be <= ' . $arg->getMaxLength() . ' characters.';
}
}
if (!empty($errors)) {
$e = new ValidationException('Validation errors: ' . implode("\n", $errors));
$e->setErrors($errors);
throw $e;
}
}
/**
* Return an appropriate signature object for a a client based on a description
*
* @param ServiceDescription $description Description that holds a signature option
* @param Collection $config Configuration options
*
* @return SignatureInterface
* @throws InvalidArgumentException
*/
protected function getSignature(ServiceDescription $description, Collection $config)
{
if (!($signature = $config->get(Options::SIGNATURE))) {
switch ($description->getData('signatureVersion')) {
case 'v2':
$signature = new SignatureV2();
break;
case 'v3':
$signature = new SignatureV3();
break;
case 'v3https':
$signature = new SignatureV3Https();
break;
case 'v4':
$signature = new SignatureV4();
break;
default:
throw new InvalidArgumentException('Service description does not specify a valid signatureVersion');
}
}
// Allow a custom service name or region value to be provided
if ($signature instanceof EndpointSignatureInterface) {
// Determine the service name to use when signing
if (!($service = $config->get(Options::SIGNATURE_SERVICE))) {
if (!($service = $description->getData('signingName'))) {
$service = $description->getData('endpointPrefix');
}
}
$signature->setServiceName($service);
// Determine the region to use when signing requests
if (!($region = $config->get(Options::SIGNATURE_REGION))) {
$region = $config->get(Options::REGION);
}
$signature->setRegionName($region);
}
return $signature;
}
/**
* Configures the client by setting the appropriate headers, service description and error handling
*
* @param Collection $config
*/
protected function configure($config)
{
$this->setDefaultOption('headers', $config->get('headers'));
$this->setDescription($this->getServiceDescriptionFromFile($config->get('service_description')));
$this->setErrorHandler();
}
/**
* Return an appropriate signature object for a a client based on the
* "signature" configuration setting, or the default signature specified in
* a service description. The signature can be set to a valid signature
* version identifier string or an instance of Aws\Common\Signature\SignatureInterface.
*
* @param ServiceDescription $description Description that holds a signature option
* @param Collection $config Configuration options
*
* @return SignatureInterface
* @throws InvalidArgumentException
*/
protected function getSignature(ServiceDescription $description, Collection $config)
{
// If a custom signature has not been provided, then use the default
// signature setting specified in the service description.
$signature = $config->get(Options::SIGNATURE) ?: $description->getData('signatureVersion');
if (is_string($signature)) {
if ($signature == 'v4') {
$signature = new SignatureV4();
} elseif ($signature == 'v2') {
$signature = new SignatureV2();
} elseif ($signature == 'v3https') {
$signature = new SignatureV3Https();
} else {
throw new InvalidArgumentException("Invalid signature type: {$signature}");
}
} elseif (!$signature instanceof SignatureInterface) {
throw new InvalidArgumentException('The provided signature is not ' . 'a signature version string or an instance of ' . 'Aws\\Common\\Signature\\SignatureInterface');
}
// Allow a custom service name or region value to be provided
if ($signature instanceof EndpointSignatureInterface) {
// Determine the service name to use when signing
$signature->setServiceName($config->get(Options::SIGNATURE_SERVICE) ?: $description->getData('signingName') ?: $description->getData('endpointPrefix'));
// Determine the region to use when signing requests
$signature->setRegionName($config->get(Options::SIGNATURE_REGION) ?: $config->get(Options::REGION));
}
return $signature;
}
protected function getCredentials(Collection $config)
{
$credentials = $config->get(Options::CREDENTIALS);
if (is_array($credentials)) {
$credentials = Credentials::factory($credentials);
} elseif ($credentials === false) {
$credentials = new NullCredentials();
} elseif (!$credentials instanceof CredentialsInterface) {
$credentials = Credentials::factory($config);
}
return $credentials;
}
/**
* Validates that all required args are included in a config object,
* and if not, throws an InvalidArgumentException with a helpful error message. Adds
* default args to the passed config object if the parameter was not
* set in the config object.
*
* @param array $params Params to validate
* @param Collection $config Configuration settings
* @param bool $strict (optional) Set to FALSE to allow missing required fields
* @param bool $validate (optional) Set to TRUE or FALSE to validate data.
* Set to false when you only need to add default values and statics.
*
* @return array|bool Returns an array of errors or TRUE on success
*
* @throws InvalidArgumentException if any args are missing and $strict is TRUE
*/
public function validateConfig(array $params, Collection $config, $strict = true, $validate = true)
{
$errors = array();
foreach ($params as $name => $arg) {
// Set the default or static value if it is not set
$configValue = $arg->getValue($config->get($name));
// Inject configuration information into the config value
if (is_string($configValue)) {
$configValue = Guzzle::inject($configValue, $config);
}
// Ensure that required arguments are set
if ($validate && $arg->getRequired() && ($configValue === null || $configValue === '')) {
$errors[] = 'Requires that the ' . $name . ' argument be supplied.' . ($arg->getDoc() ? ' (' . $arg->getDoc() . ').' : '');
continue;
}
// Ensure that the correct data type is being used
if ($validate && $this->typeValidation && $configValue !== null && ($argType = $arg->getType())) {
$validation = $this->validateConstraint($argType, $configValue);
if ($validation !== true) {
$errors[] = $validation;
continue;
}
}
// Run the value through attached filters
$configValue = $arg->filter($configValue);
$config->set($name, $configValue);
// Check the length values if validating data
if ($validate) {
$argMinLength = $arg->getMinLength();
if ($argMinLength && strlen($configValue) < $argMinLength) {
$errors[] = 'Requires that the ' . $name . ' argument be >= ' . $arg->getMinLength() . ' characters.';
}
$argMaxLength = $arg->getMaxLength();
if ($argMaxLength && strlen($configValue) > $argMaxLength) {
$errors[] = 'Requires that the ' . $name . ' argument be <= ' . $arg->getMaxLength() . ' characters.';
}
}
$config->set($name, $configValue);
}
if (empty($errors)) {
return true;
} else {
if ($strict) {
throw new ValidationException('Validation errors: ' . implode("\n", $errors));
}
}
return $errors;
}
