Editing: ClientResolver.php
<?php namespace Aws; use Aws\Api\ApiProvider; use Aws\Api\Service; use Aws\Api\Validator; use Aws\Auth\AuthResolver; use Aws\Auth\AuthSchemeResolver; use Aws\Auth\AuthSchemeResolverInterface; use Aws\ClientSideMonitoring\ApiCallAttemptMonitoringMiddleware; use Aws\ClientSideMonitoring\ApiCallMonitoringMiddleware; use Aws\ClientSideMonitoring\Configuration; use Aws\Configuration\ConfigurationResolver; use Aws\Credentials\CredentialProvider; use Aws\Credentials\Credentials; use Aws\Credentials\CredentialsInterface; use Aws\DefaultsMode\ConfigurationInterface as ConfigModeInterface; use Aws\DefaultsMode\ConfigurationProvider as ConfigModeProvider; use Aws\Endpoint\EndpointProvider; use Aws\Endpoint\PartitionEndpointProvider; use Aws\Endpoint\UseDualstackEndpoint\Configuration as UseDualStackEndpointConfiguration; use Aws\Endpoint\UseDualstackEndpoint\ConfigurationInterface as UseDualStackEndpointConfigurationInterface; use Aws\Endpoint\UseDualstackEndpoint\ConfigurationProvider as UseDualStackConfigProvider; use Aws\Endpoint\UseFipsEndpoint\Configuration as UseFipsEndpointConfiguration; use Aws\Endpoint\UseFipsEndpoint\ConfigurationInterface as UseFipsEndpointConfigurationInterface; use Aws\Endpoint\UseFipsEndpoint\ConfigurationProvider as UseFipsConfigProvider; use Aws\EndpointDiscovery\ConfigurationInterface; use Aws\EndpointDiscovery\ConfigurationProvider; use Aws\EndpointV2\EndpointDefinitionProvider; use Aws\Exception\AwsException; use Aws\Exception\InvalidRegionException; use Aws\Retry\ConfigurationInterface as RetryConfigInterface; use Aws\Retry\ConfigurationProvider as RetryConfigProvider; use Aws\Signature\SignatureProvider; use Aws\Token\Token; use Aws\Token\TokenInterface; use Aws\Token\TokenProvider; use GuzzleHttp\Promise\PromiseInterface; use InvalidArgumentException as IAE; use Psr\Http\Message\RequestInterface; /** * @internal Resolves a hash of client arguments to construct a client. */ class ClientResolver { /** @var array */ private $argDefinitions; /** @var array Map of types to a corresponding function */ private static $typeMap = [ 'resource' => 'is_resource', 'callable' => 'is_callable', 'int' => 'is_int', 'bool' => 'is_bool', 'boolean' => 'is_bool', 'string' => 'is_string', 'object' => 'is_object', 'array' => 'is_array', ]; private static $defaultArgs = [ 'service' => [ 'type' => 'value', 'valid' => ['string'], 'doc' => 'Name of the service to utilize. This value will be supplied by default when using one of the SDK clients (e.g., Aws\\S3\\S3Client).', 'required' => true, 'internal' => true ], 'exception_class' => [ 'type' => 'value', 'valid' => ['string'], 'doc' => 'Exception class to create when an error occurs.', 'default' => AwsException::class, 'internal' => true ], 'scheme' => [ 'type' => 'value', 'valid' => ['string'], 'default' => 'https', 'doc' => 'URI scheme to use when connecting connect. The SDK will utilize "https" endpoints (i.e., utilize SSL/TLS connections) by default. You can attempt to connect to a service over an unencrypted "http" endpoint by setting ``scheme`` to "http".', ], 'disable_host_prefix_injection' => [ 'type' => 'value', 'valid' => ['bool'], 'doc' => 'Set to true to disable host prefix injection logic for services that use it. This disables the entire prefix injection, including the portions supplied by user-defined parameters. Setting this flag will have no effect on services that do not use host prefix injection.', 'default' => false, ], 'ignore_configured_endpoint_urls' => [ 'type' => 'value', 'valid' => ['bool'], 'doc' => 'Set to true to disable endpoint urls configured using `AWS_ENDPOINT_URL` and `endpoint_url` shared config option.', 'fn' => [__CLASS__, '_apply_ignore_configured_endpoint_urls'], 'default' => [__CLASS__, '_default_ignore_configured_endpoint_urls'], ], 'endpoint' => [ 'type' => 'value', 'valid' => ['string'], 'doc' => 'The full URI of the webservice. This is only required when connecting to a custom endpoint (e.g., a local version of S3).', 'fn' => [__CLASS__, '_apply_endpoint'], 'default' => [__CLASS__, '_default_endpoint'] ], 'region' => [ 'type' => 'value', 'valid' => ['string'], 'doc' => 'Region to connect to. See http://docs.aws.amazon.com/general/latest/gr/rande.html for a list of available regions.', 'fn' => [__CLASS__, '_apply_region'], 'default' => [__CLASS__, '_default_region'] ], 'version' => [ 'type' => 'value', 'valid' => ['string'], 'doc' => 'The version of the webservice to utilize (e.g., 2006-03-01).', 'default' => 'latest', ], 'signature_provider' => [ 'type' => 'value', 'valid' => ['callable'], 'doc' => 'A callable that accepts a signature version name (e.g., "v4"), a service name, and region, and returns a SignatureInterface object or null. This provider is used to create signers utilized by the client. See Aws\\Signature\\SignatureProvider for a list of built-in providers', 'default' => [__CLASS__, '_default_signature_provider'], ], 'api_provider' => [ 'type' => 'value', 'valid' => ['callable'], 'doc' => 'An optional PHP callable that accepts a type, service, and version argument, and returns an array of corresponding configuration data. The type value can be one of api, waiter, or paginator.', 'fn' => [__CLASS__, '_apply_api_provider'], 'default' => [ApiProvider::class, 'defaultProvider'], ], 'configuration_mode' => [ 'type' => 'value', 'valid' => [ConfigModeInterface::class, CacheInterface::class, 'string', 'closure'], 'doc' => "Sets the default configuration mode. Otherwise provide an instance of Aws\DefaultsMode\ConfigurationInterface, an instance of Aws\CacheInterface, or a string containing a valid mode", 'fn' => [__CLASS__, '_apply_defaults'], 'default' => [ConfigModeProvider::class, 'defaultProvider'] ], 'use_fips_endpoint' => [ 'type' => 'value', 'valid' => ['bool', UseFipsEndpointConfiguration::class, CacheInterface::class, 'callable'], 'doc' => 'Set to true to enable the use of FIPS pseudo regions', 'fn' => [__CLASS__, '_apply_use_fips_endpoint'], 'default' => [__CLASS__, '_default_use_fips_endpoint'], ], 'use_dual_stack_endpoint' => [ 'type' => 'value', 'valid' => ['bool', UseDualStackEndpointConfiguration::class, CacheInterface::class, 'callable'], 'doc' => 'Set to true to enable the use of dual-stack endpoints', 'fn' => [__CLASS__, '_apply_use_dual_stack_endpoint'], 'default' => [__CLASS__, '_default_use_dual_stack_endpoint'], ], 'endpoint_provider' => [ 'type' => 'value', 'valid' => ['callable', EndpointV2\EndpointProviderV2::class], 'fn' => [__CLASS__, '_apply_endpoint_provider'], 'doc' => 'An optional PHP callable that accepts a hash of options including a "service" and "region" key and returns NULL or a hash of endpoint data, of which the "endpoint" key is required. See Aws\\Endpoint\\EndpointProvider for a list of built-in providers.', 'default' => [__CLASS__, '_default_endpoint_provider'], ], 'serializer' => [ 'default' => [__CLASS__, '_default_serializer'], 'fn' => [__CLASS__, '_apply_serializer'], 'internal' => true, 'type' => 'value', 'valid' => ['callable'], ], 'signature_version' => [ 'type' => 'config', 'valid' => ['string'], 'doc' => 'A string representing a custom signature version to use with a service (e.g., v4). Note that per/operation signature version MAY override this requested signature version.', 'default' => [__CLASS__, '_default_signature_version'], ], 'signing_name' => [ 'type' => 'config', 'valid' => ['string'], 'doc' => 'A string representing a custom service name to be used when calculating a request signature.', 'default' => [__CLASS__, '_default_signing_name'], ], 'signing_region' => [ 'type' => 'config', 'valid' => ['string'], 'doc' => 'A string representing a custom region name to be used when calculating a request signature.', 'default' => [__CLASS__, '_default_signing_region'], ], 'profile' => [ 'type' => 'config', 'valid' => ['string'], 'doc' => 'Allows you to specify which profile to use when credentials are created from the AWS credentials file in your HOME directory. This setting overrides the AWS_PROFILE environment variable. Note: Specifying "profile" will cause the "credentials" and "use_aws_shared_config_files" keys to be ignored.', 'fn' => [__CLASS__, '_apply_profile'], ], 'credentials' => [ 'type' => 'value', 'valid' => [CredentialsInterface::class, CacheInterface::class, 'array', 'bool', 'callable'], 'doc' => 'Specifies the credentials used to sign requests. Provide an Aws\Credentials\CredentialsInterface object, an associative array of "key", "secret", and an optional "token" key, `false` to use null credentials, or a callable credentials provider used to create credentials or return null. See Aws\\Credentials\\CredentialProvider for a list of built-in credentials providers. If no credentials are provided, the SDK will attempt to load them from the environment.', 'fn' => [__CLASS__, '_apply_credentials'], 'default' => [__CLASS__, '_default_credential_provider'], ], 'token' => [ 'type' => 'value', 'valid' => [TokenInterface::class, CacheInterface::class, 'array', 'bool', 'callable'], 'doc' => 'Specifies the token used to authorize requests. Provide an Aws\Token\TokenInterface object, an associative array of "token", and an optional "expiration" key, `false` to use a null token, or a callable token provider used to fetch a token or return null. See Aws\\Token\\TokenProvider for a list of built-in credentials providers. If no token is provided, the SDK will attempt to load one from the environment.', 'fn' => [__CLASS__, '_apply_token'], 'default' => [__CLASS__, '_default_token_provider'], ], 'auth_scheme_resolver' => [ 'type' => 'value', 'valid' => [AuthSchemeResolverInterface::class], 'doc' => 'An instance of Aws\Auth\AuthSchemeResolverInterface which selects a modeled auth scheme and returns a signature version', 'default' => [__CLASS__, '_default_auth_scheme_resolver'], ], 'endpoint_discovery' => [ 'type' => 'value', 'valid' => [ConfigurationInterface::class, CacheInterface::class, 'array', 'callable'], 'doc' => 'Specifies settings for endpoint discovery. Provide an instance of Aws\EndpointDiscovery\ConfigurationInterface, an instance Aws\CacheInterface, a callable that provides a promise for a Configuration object, or an associative array with the following keys: enabled: (bool) Set to true to enable endpoint discovery, false to explicitly disable it. Defaults to false; cache_limit: (int) The maximum number of keys in the endpoints cache. Defaults to 1000.', 'fn' => [__CLASS__, '_apply_endpoint_discovery'], 'default' => [__CLASS__, '_default_endpoint_discovery_provider'] ], 'stats' => [ 'type' => 'value', 'valid' => ['bool', 'array'], 'default' => false, 'doc' => 'Set to true to gather transfer statistics on requests sent. Alternatively, you can provide an associative array with the following keys: retries: (bool) Set to false to disable reporting on retries attempted; http: (bool) Set to true to enable collecting statistics from lower level HTTP adapters (e.g., values returned in GuzzleHttp\TransferStats). HTTP handlers must support an http_stats_receiver option for this to have an effect; timer: (bool) Set to true to enable a command timer that reports the total wall clock time spent on an operation in seconds.', 'fn' => [__CLASS__, '_apply_stats'], ], 'retries' => [ 'type' => 'value', 'valid' => ['int', RetryConfigInterface::class, CacheInterface::class, 'callable', 'array'], 'doc' => "Configures the retry mode and maximum number of allowed retries for a client (pass 0 to disable retries). Provide an integer for 'legacy' mode with the specified number of retries. Otherwise provide an instance of Aws\Retry\ConfigurationInterface, an instance of Aws\CacheInterface, a callable function, or an array with the following keys: mode: (string) Set to 'legacy', 'standard' (uses retry quota management), or 'adapative' (an experimental mode that adds client-side rate limiting to standard mode); max_attempts: (int) The maximum number of attempts for a given request. ", 'fn' => [__CLASS__, '_apply_retries'], 'default' => [RetryConfigProvider::class, 'defaultProvider'] ], 'validate' => [ 'type' => 'value', 'valid' => ['bool', 'array'], 'default' => true, 'doc' => 'Set to false to disable client-side parameter validation. Set to true to utilize default validation constraints. Set to an associative array of validation options to enable specific validation constraints.', 'fn' => [__CLASS__, '_apply_validate'], ], 'debug' => [ 'type' => 'value', 'valid' => ['bool', 'array'], 'doc' => 'Set to true to display debug information when sending requests. Alternatively, you can provide an associative array with the following keys: logfn: (callable) Function that is invoked with log messages; stream_size: (int) When the size of a stream is greater than this number, the stream data will not be logged (set to "0" to not log any stream data); scrub_auth: (bool) Set to false to disable the scrubbing of auth data from the logged messages; http: (bool) Set to false to disable the "debug" feature of lower level HTTP adapters (e.g., verbose curl output).', 'fn' => [__CLASS__, '_apply_debug'], ], 'disable_request_compression' => [ 'type' => 'value', 'valid' => ['bool', 'callable'], 'doc' => 'Set to true to disable request compression for supported operations', 'fn' => [__CLASS__, '_apply_disable_request_compression'], 'default' => [__CLASS__, '_default_disable_request_compression'], ], 'request_min_compression_size_bytes' => [ 'type' => 'value', 'valid' => ['int', 'callable'], 'doc' => 'Set to a value between between 0 and 10485760 bytes, inclusive. This value will be ignored if `disable_request_compression` is set to `true`', 'fn' => [__CLASS__, '_apply_min_compression_size'], 'default' => [__CLASS__, '_default_min_compression_size'], ], 'csm' => [ 'type' => 'value', 'valid' => [\Aws\ClientSideMonitoring\ConfigurationInterface::class, 'callable', 'array', 'bool'], 'doc' => 'CSM options for the client. Provides a callable wrapping a promise, a boolean "false", an instance of ConfigurationInterface, or an associative array of "enabled", "host", "port", and "client_id".', 'fn' => [__CLASS__, '_apply_csm'], 'default' => [\Aws\ClientSideMonitoring\ConfigurationProvider::class, 'defaultProvider'] ], 'http' => [ 'type' => 'value', 'valid' => ['array'], 'default' => [], 'doc' => 'Set to an array of SDK request options to apply to each request (e.g., proxy, verify, etc.).', ], 'http_handler' => [ 'type' => 'value', 'valid' => ['callable'], 'doc' => 'An HTTP handler is a function that accepts a PSR-7 request object and returns a promise that is fulfilled with a PSR-7 response object or rejected with an array of exception data. NOTE: This option supersedes any provided "handler" option.', 'fn' => [__CLASS__, '_apply_http_handler'] ], 'handler' => [ 'type' => 'value', 'valid' => ['callable'], 'doc' => 'A handler that accepts a command object, request object and returns a promise that is fulfilled with an Aws\ResultInterface object or rejected with an Aws\Exception\AwsException. A handler does not accept a next handler as it is terminal and expected to fulfill a command. If no handler is provided, a default Guzzle handler will be utilized.', 'fn' => [__CLASS__, '_apply_handler'], 'default' => [__CLASS__, '_default_handler'] ], 'app_id' => [ 'type' => 'value', 'valid' => ['string'], 'doc' => 'app_id(AppId) is an optional application specific identifier that can be set. When set it will be appended to the User-Agent header of every request in the form of App/{AppId}. This value is also sourced from environment variable AWS_SDK_UA_APP_ID or the shared config profile attribute sdk_ua_app_id.', 'fn' => [__CLASS__, '_apply_app_id'], 'default' => [__CLASS__, '_default_app_id'] ], 'ua_append' => [ 'type' => 'value', 'valid' => ['string', 'array'], 'doc' => 'Provide a string or array of strings to send in the User-Agent header.', 'fn' => [__CLASS__, '_apply_user_agent'], 'default' => [], ], 'idempotency_auto_fill' => [ 'type' => 'value', 'valid' => ['bool', 'callable'], 'doc' => 'Set to false to disable SDK to populate parameters that enabled \'idempotencyToken\' trait with a random UUID v4 value on your behalf. Using default value \'true\' still allows parameter value to be overwritten when provided. Note: auto-fill only works when cryptographically secure random bytes generator functions(random_bytes, openssl_random_pseudo_bytes or mcrypt_create_iv) can be found. You may also provide a callable source of random bytes.', 'default' => true, 'fn' => [__CLASS__, '_apply_idempotency_auto_fill'] ], 'use_aws_shared_config_files' => [ 'type' => 'value', 'valid' => ['bool'], 'doc' => 'Set to false to disable checking for shared aws config files usually located in \'~/.aws/config\' and \'~/.aws/credentials\'. This will be ignored if you set the \'profile\' setting.', 'default' => true, ], ]; /** * Gets an array of default client arguments, each argument containing a * hash of the following: * * - type: (string, required) option type described as follows: * - value: The default option type. * - config: The provided value is made available in the client's * getConfig() method. * - valid: (array, required) Valid PHP types or class names. Note: null * is not an allowed type. * - required: (bool, callable) Whether or not the argument is required. * Provide a function that accepts an array of arguments and returns a * string to provide a custom error message. * - default: (mixed) The default value of the argument if not provided. If * a function is provided, then it will be invoked to provide a default * value. The function is provided the array of options and is expected * to return the default value of the option. The default value can be a * closure and can not be a callable string that is not part of the * defaultArgs array. * - doc: (string) The argument documentation string. * - fn: (callable) Function used to apply the argument. The function * accepts the provided value, array of arguments by reference, and an * event emitter. * * Note: Order is honored and important when applying arguments. * * @return array */ public static function getDefaultArguments() { return self::$defaultArgs; } /** * @param array $argDefinitions Client arguments. */ public function __construct(array $argDefinitions) { $this->argDefinitions = $argDefinitions; } /** * Resolves client configuration options and attached event listeners. * Check for missing keys in passed arguments * * @param array $args Provided constructor arguments. * @param HandlerList $list Handler list to augment. * * @return array Returns the array of provided options. * @throws \InvalidArgumentException * @see Aws\AwsClient::__construct for a list of available options. */ public function resolve(array $args, HandlerList $list) { $args['config'] = []; foreach ($this->argDefinitions as $key => $a) { // Add defaults, validate required values, and skip if not set. if (!isset($args[$key])) { if (isset($a['default'])) { // Merge defaults in when not present. if (is_callable($a['default']) && ( is_array($a['default']) || $a['default'] instanceof \Closure ) ) { $args[$key] = $a['default']($args); } else { $args[$key] = $a['default']; } } elseif (empty($a['required'])) { continue; } else { $this->throwRequired($args); } } // Validate the types against the provided value. foreach ($a['valid'] as $check) { if (isset(self::$typeMap[$check])) { $fn = self::$typeMap[$check]; if ($fn($args[$key])) { goto is_valid; } } elseif ($args[$key] instanceof $check) { goto is_valid; } } $this->invalidType($key, $args[$key]); // Apply the value is_valid: if (isset($a['fn'])) { $a['fn']($args[$key], $args, $list); } if ($a['type'] === 'config') { $args['config'][$key] = $args[$key]; } } $this->_apply_client_context_params($args); return $args; } /** * Creates a verbose error message for an invalid argument. * * @param string $name Name of the argument that is missing. * @param array $args Provided arguments * @param bool $useRequired Set to true to show the required fn text if * available instead of the documentation. * @return string */ private function getArgMessage($name, $args = [], $useRequired = false) { $arg = $this->argDefinitions[$name]; $msg = ''; $modifiers = []; if (isset($arg['valid'])) { $modifiers[] = implode('|', $arg['valid']); } if (isset($arg['choice'])) { $modifiers[] = 'One of ' . implode(', ', $arg['choice']); } if ($modifiers) { $msg .= '(' . implode('; ', $modifiers) . ')'; } $msg = wordwrap("{$name}: {$msg}", 75, "\n "); if ($useRequired && is_callable($arg['required'])) { $msg .= "\n\n "; $msg .= str_replace("\n", "\n ", call_user_func($arg['required'], $args)); } elseif (isset($arg['doc'])) { $msg .= wordwrap("\n\n {$arg['doc']}", 75, "\n "); } return $msg; } /** * Throw when an invalid type is encountered. * * @param string $name Name of the value being validated. * @param mixed $provided The provided value. * @throws \InvalidArgumentException */ private function invalidType($name, $provided) { $expected = implode('|', $this->argDefinitions[$name]['valid']); $msg = "Invalid configuration value " . "provided for \"{$name}\". Expected {$expected}, but got " . describe_type($provided) . "\n\n" . $this->getArgMessage($name); throw new IAE($msg); } /** * Throws an exception for missing required arguments. * * @param array $args Passed in arguments. * @throws \InvalidArgumentException */ private function throwRequired(array $args) { $missing = []; foreach ($this->argDefinitions as $k => $a) { if (empty($a['required']) || isset($a['default']) || isset($args[$k]) ) { continue; } $missing[] = $this->getArgMessage($k, $args, true); } $msg = "Missing required client configuration options: \n\n"; $msg .= implode("\n\n", $missing); throw new IAE($msg); } public static function _apply_retries($value, array &$args, HandlerList $list) { // A value of 0 for the config option disables retries if ($value) { $config = RetryConfigProvider::unwrap($value); if ($config->getMode() === 'legacy') { // # of retries is 1 less than # of attempts $decider = RetryMiddleware::createDefaultDecider( $config->getMaxAttempts() - 1 ); $list->appendSign( Middleware::retry($decider, null, $args['stats']['retries']), 'retry' ); } else { $list->appendSign( RetryMiddlewareV2::wrap( $config, ['collect_stats' => $args['stats']['retries']] ), 'retry' ); } } } public static function _apply_defaults($value, array &$args, HandlerList $list) { $config = ConfigModeProvider::unwrap($value); if ($config->getMode() !== 'legacy') { if (!isset($args['retries']) && !is_null($config->getRetryMode())) { $args['retries'] = ['mode' => $config->getRetryMode()]; } if ( !isset($args['sts_regional_endpoints']) && !is_null($config->getStsRegionalEndpoints()) ) { $args['sts_regional_endpoints'] = ['mode' => $config->getStsRegionalEndpoints()]; } if ( !isset($args['s3_us_east_1_regional_endpoint']) && !is_null($config->getS3UsEast1RegionalEndpoints()) ) { $args['s3_us_east_1_regional_endpoint'] = ['mode' => $config->getS3UsEast1RegionalEndpoints()]; } if (!isset($args['http'])) { $args['http'] = []; } if ( !isset($args['http']['connect_timeout']) && !is_null($config->getConnectTimeoutInMillis()) ) { $args['http']['connect_timeout'] = $config->getConnectTimeoutInMillis() / 1000; } if ( !isset($args['http']['timeout']) && !is_null($config->getHttpRequestTimeoutInMillis()) ) { $args['http']['timeout'] = $config->getHttpRequestTimeoutInMillis() / 1000; } } } public static function _apply_disable_request_compression($value, array &$args) { if (is_callable($value)) { $value = $value(); } if (!is_bool($value)) { throw new IAE( "Invalid configuration value provided for 'disable_request_compression'." . " value must be a bool." ); } $args['config']['disable_request_compression'] = $value; } public static function _default_disable_request_compression(array &$args) { return ConfigurationResolver::resolve( 'disable_request_compression', false, 'bool', $args ); } public static function _apply_min_compression_size($value, array &$args) { if (is_callable($value)) { $value = $value(); } if (!is_int($value) || (is_int($value) && ($value < 0 || $value > 10485760)) ) { throw new IAE(" Invalid configuration value provided for 'min_compression_size_bytes'." . " value must be an integer between 0 and 10485760, inclusive."); } $args['config']['request_min_compression_size_bytes'] = $value; } public static function _default_min_compression_size(array &$args) { return ConfigurationResolver::resolve( 'request_min_compression_size_bytes', 10240, 'int', $args ); } public static function _apply_credentials($value, array &$args) { if (is_callable($value)) { return; } if ($value instanceof CredentialsInterface) { $args['credentials'] = CredentialProvider::fromCredentials($value); } elseif (is_array($value) && isset($value['key']) && isset($value['secret']) ) { $args['credentials'] = CredentialProvider::fromCredentials( new Credentials( $value['key'], $value['secret'], $value['token'] ?? null, $value['expires'] ?? null ) ); } elseif ($value === false) { $args['credentials'] = CredentialProvider::fromCredentials( new Credentials('', '') ); $args['config']['signature_version'] = 'anonymous'; $args['config']['configured_signature_version'] = true; } elseif ($value instanceof CacheInterface) { $args['credentials'] = CredentialProvider::defaultProvider($args); } else { throw new IAE('Credentials must be an instance of ' . "'" . CredentialsInterface::class . ', an associative ' . 'array that contains "key", "secret", and an optional "token" ' . 'key-value pairs, a credentials provider function, or false.'); } } public static function _default_credential_provider(array $args) { return CredentialProvider::defaultProvider($args); } public static function _apply_token($value, array &$args) { if (is_callable($value)) { return; } if ($value instanceof Token) { $args['token'] = TokenProvider::fromToken($value); } elseif (is_array($value) && isset($value['token']) ) { $args['token'] = TokenProvider::fromToken( new Token( $value['token'], $value['expires'] ?? null ) ); } elseif ($value instanceof CacheInterface) { $args['token'] = TokenProvider::defaultProvider($args); } else { throw new IAE('Token must be an instance of ' . TokenInterface::class . ', an associative ' . 'array that contains "token" and an optional "expires" ' . 'key-value pairs, a token provider function, or false.'); } } public static function _default_token_provider(array $args) { return TokenProvider::defaultProvider($args); } public static function _apply_csm($value, array &$args, HandlerList $list) { if ($value === false) { $value = new Configuration( false, \Aws\ClientSideMonitoring\ConfigurationProvider::DEFAULT_HOST, \Aws\ClientSideMonitoring\ConfigurationProvider::DEFAULT_PORT, \Aws\ClientSideMonitoring\ConfigurationProvider::DEFAULT_CLIENT_ID ); $args['csm'] = $value; } $list->appendBuild( ApiCallMonitoringMiddleware::wrap( $args['credentials'], $value, $args['region'], $args['api']->getServiceId() ), 'ApiCallMonitoringMiddleware' ); $list->appendAttempt( ApiCallAttemptMonitoringMiddleware::wrap( $args['credentials'], $value, $args['region'], $args['api']->getServiceId() ), 'ApiCallAttemptMonitoringMiddleware' ); } public static function _apply_api_provider(callable $value, array &$args) { $api = new Service( ApiProvider::resolve( $value, 'api', $args['service'], $args['version'] ), $value ); if ( empty($args['config']['signing_name']) && isset($api['metadata']['signingName']) ) { $args['config']['signing_name'] = $api['metadata']['signingName']; } $args['api'] = $api; $args['parser'] = Service::createParser($api); $args['error_parser'] = Service::createErrorParser($api->getProtocol(), $api); } public static function _apply_endpoint_provider($value, array &$args) { if (!isset($args['endpoint'])) { if ($value instanceof \Aws\EndpointV2\EndpointProviderV2) { $options = self::getEndpointProviderOptions($args); $value = PartitionEndpointProvider::defaultProvider($options) ->getPartition($args['region'], $args['service']); } $endpointPrefix = $args['api']['metadata']['endpointPrefix'] ?? $args['service']; // Check region is a valid host label when it is being used to // generate an endpoint if (!self::isValidRegion($args['region'])) { throw new InvalidRegionException('Region must be a valid RFC' . ' host label.'); } $serviceEndpoints = is_array($value) && isset($value['services'][$args['service']]['endpoints']) ? $value['services'][$args['service']]['endpoints'] : null; if (isset($serviceEndpoints[$args['region']]['deprecated'])) { trigger_error("The service " . $args['service'] . "has " . " deprecated the region " . $args['region'] . ".", E_USER_WARNING ); } $args['region'] = \Aws\strip_fips_pseudo_regions($args['region']); // Invoke the endpoint provider and throw if it does not resolve. $result = EndpointProvider::resolve($value, [ 'service' => $endpointPrefix, 'region' => $args['region'], 'scheme' => $args['scheme'], 'options' => self::getEndpointProviderOptions($args), ]); $args['endpoint'] = $result['endpoint']; if (empty($args['config']['signature_version'])) { if ( isset($args['api']) && $args['api']->getSignatureVersion() == 'bearer' ) { $args['config']['signature_version'] = 'bearer'; } elseif (isset($result['signatureVersion'])) { $args['config']['signature_version'] = $result['signatureVersion']; } } if ( empty($args['config']['signing_region']) && isset($result['signingRegion']) ) { $args['config']['signing_region'] = $result['signingRegion']; } if ( empty($args['config']['signing_name']) && isset($result['signingName']) ) { $args['config']['signing_name'] = $result['signingName']; } } } public static function _apply_endpoint_discovery($value, array &$args) { $args['endpoint_discovery'] = $value; } public static function _default_endpoint_discovery_provider(array $args) { return ConfigurationProvider::defaultProvider($args); } public static function _apply_use_fips_endpoint($value, array &$args) { if ($value instanceof CacheInterface) { $value = UseFipsConfigProvider::defaultProvider($args); } if (is_callable($value)) { $value = $value(); } if ($value instanceof PromiseInterface) { $value = $value->wait(); } if ($value instanceof UseFipsEndpointConfigurationInterface) { $args['config']['use_fips_endpoint'] = $value; } else { // The Configuration class itself will validate other inputs $args['config']['use_fips_endpoint'] = new UseFipsEndpointConfiguration($value); } } public static function _default_use_fips_endpoint(array &$args) { return UseFipsConfigProvider::defaultProvider($args); } public static function _apply_use_dual_stack_endpoint($value, array &$args) { if ($value instanceof CacheInterface) { $value = UseDualStackConfigProvider::defaultProvider($args); } if (is_callable($value)) { $value = $value(); } if ($value instanceof PromiseInterface) { $value = $value->wait(); } if ($value instanceof UseDualStackEndpointConfigurationInterface) { $args['config']['use_dual_stack_endpoint'] = $value; } else { // The Configuration class itself will validate other inputs $args['config']['use_dual_stack_endpoint'] = new UseDualStackEndpointConfiguration($value, $args['region']); } } public static function _default_use_dual_stack_endpoint(array &$args) { return UseDualStackConfigProvider::defaultProvider($args); } public static function _apply_serializer($value, array &$args, HandlerList $list) { $list->prependBuild(Middleware::requestBuilder($value), 'builder'); } public static function _apply_debug($value, array &$args, HandlerList $list) { if ($value !== false) { $list->interpose( new TraceMiddleware( $value === true ? [] : $value, $args['api']) ); } } public static function _apply_stats($value, array &$args, HandlerList $list) { // Create an array of stat collectors that are disabled (set to false) // by default. If the user has passed in true, enable all stat // collectors. $defaults = array_fill_keys( ['http', 'retries', 'timer'], $value === true ); $args['stats'] = is_array($value) ? array_replace($defaults, $value) : $defaults; if ($args['stats']['timer']) { $list->prependInit(Middleware::timer(), 'timer'); } } public static function _apply_profile($_, array &$args) { $args['credentials'] = CredentialProvider::ini($args['profile']); } public static function _apply_validate($value, array &$args, HandlerList $list) { if ($value === false) { return; } $validator = $value === true ? new Validator() : new Validator($value); $list->appendValidate( Middleware::validation($args['api'], $validator), 'validation' ); } public static function _apply_handler($value, array &$args, HandlerList $list) { $list->setHandler($value); } public static function _default_handler(array &$args) { return new WrappedHttpHandler( default_http_handler(), $args['parser'], $args['error_parser'], $args['exception_class'], $args['stats']['http'] ); } public static function _apply_http_handler($value, array &$args, HandlerList $list) { $args['handler'] = new WrappedHttpHandler( $value, $args['parser'], $args['error_parser'], $args['exception_class'], $args['stats']['http'] ); } public static function _apply_app_id($value, array &$args) { // AppId should not be longer than 50 chars static $MAX_APP_ID_LENGTH = 50; if (strlen($value) > $MAX_APP_ID_LENGTH) { trigger_error("The provided or configured value for `AppId`, " ."which is an user agent parameter, exceeds the maximum length of " ."$MAX_APP_ID_LENGTH characters.", E_USER_WARNING); } $args['app_id'] = $value; } public static function _default_app_id(array $args) { return ConfigurationResolver::resolve( 'sdk_ua_app_id', '', 'string', $args ); } public static function _apply_user_agent($inputUserAgent, array &$args, HandlerList $list) { // Add SDK version $userAgent = ['aws-sdk-php/' . Sdk::VERSION]; // User Agent Metadata $userAgent[] = 'ua/2.0'; // If on HHVM add the HHVM version if (defined('HHVM_VERSION')) { $userAgent []= 'HHVM/' . HHVM_VERSION; } // Add OS version $disabledFunctions = explode(',', ini_get('disable_functions')); if (function_exists('php_uname') && !in_array('php_uname', $disabledFunctions, true) ) { $osName = "OS/" . php_uname('s') . '#' . php_uname('r'); if (!empty($osName)) { $userAgent []= $osName; } } // Add the language version $userAgent []= 'lang/php#' . phpversion(); // Add exec environment if present if ($executionEnvironment = getenv('AWS_EXECUTION_ENV')) { $userAgent []= $executionEnvironment; } // Add endpoint discovery if set if (isset($args['endpoint_discovery'])) { if (($args['endpoint_discovery'] instanceof \Aws\EndpointDiscovery\Configuration && $args['endpoint_discovery']->isEnabled()) ) { $userAgent []= 'cfg/endpoint-discovery'; } elseif (is_array($args['endpoint_discovery']) && isset($args['endpoint_discovery']['enabled']) && $args['endpoint_discovery']['enabled'] ) { $userAgent []= 'cfg/endpoint-discovery'; } } // Add retry mode if set if (isset($args['retries'])) { if ($args['retries'] instanceof \Aws\Retry\Configuration) { $userAgent []= 'cfg/retry-mode#' . $args["retries"]->getMode(); } elseif (is_array($args['retries']) && isset($args["retries"]["mode"]) ) { $userAgent []= 'cfg/retry-mode#' . $args["retries"]["mode"]; } } // AppID Metadata if (!empty($args['app_id'])) { $userAgent[] = 'app/' . $args['app_id']; } // Add the input to the end if ($inputUserAgent){ if (!is_array($inputUserAgent)) { $inputUserAgent = [$inputUserAgent]; } $inputUserAgent = array_map('strval', $inputUserAgent); $userAgent = array_merge($userAgent, $inputUserAgent); } $args['ua_append'] = $userAgent; $list->appendBuild(static function (callable $handler) use ($userAgent) { return function ( CommandInterface $command, RequestInterface $request ) use ($handler, $userAgent) { return $handler( $command, $request->withHeader( 'X-Amz-User-Agent', implode(' ', array_merge( $userAgent, $request->getHeader('X-Amz-User-Agent') )) )->withHeader( 'User-Agent', implode(' ', array_merge( $userAgent, $request->getHeader('User-Agent') )) ) ); }; }); } public static function _apply_endpoint($value, array &$args, HandlerList $list) { if (empty($value)) { unset($args['endpoint']); return; } $args['endpoint'] = $value; } public static function _apply_idempotency_auto_fill( $value, array &$args, HandlerList $list ) { $enabled = false; $generator = null; if (is_bool($value)) { $enabled = $value; } elseif (is_callable($value)) { $enabled = true; $generator = $value; } if ($enabled) { $list->prependInit( IdempotencyTokenMiddleware::wrap($args['api'], $generator), 'idempotency_auto_fill' ); } } public static function _default_endpoint_provider(array $args) { $service = $args['api'] ?? null; $serviceName = isset($service) ? $service->getServiceName() : null; $apiVersion = isset($service) ? $service->getApiVersion() : null; if (self::isValidService($serviceName) && self::isValidApiVersion($serviceName, $apiVersion) ) { $ruleset = EndpointDefinitionProvider::getEndpointRuleset( $service->getServiceName(), $service->getApiVersion() ); return new \Aws\EndpointV2\EndpointProviderV2( $ruleset, EndpointDefinitionProvider::getPartitions() ); } $options = self::getEndpointProviderOptions($args); return PartitionEndpointProvider::defaultProvider($options) ->getPartition($args['region'], $args['service']); } public static function _default_serializer(array $args) { return Service::createSerializer( $args['api'], $args['endpoint'] ); } public static function _default_signature_provider() { return SignatureProvider::defaultProvider(); } public static function _default_auth_scheme_resolver(array $args) { return new AuthSchemeResolver($args['credentials'], $args['token']); } public static function _default_signature_version(array &$args) { if (isset($args['config']['signature_version'])) { return $args['config']['signature_version']; } $args['__partition_result'] = isset($args['__partition_result']) ? isset($args['__partition_result']) : call_user_func(PartitionEndpointProvider::defaultProvider(), [ 'service' => $args['service'], 'region' => $args['region'], ]); return isset($args['__partition_result']['signatureVersion']) ? $args['__partition_result']['signatureVersion'] : $args['api']->getSignatureVersion(); } public static function _default_signing_name(array &$args) { if (isset($args['config']['signing_name'])) { return $args['config']['signing_name']; } $args['__partition_result'] = isset($args['__partition_result']) ? isset($args['__partition_result']) : call_user_func(PartitionEndpointProvider::defaultProvider(), [ 'service' => $args['service'], 'region' => $args['region'], ]); if (isset($args['__partition_result']['signingName'])) { return $args['__partition_result']['signingName']; } if ($signingName = $args['api']->getSigningName()) { return $signingName; } return $args['service']; } public static function _default_signing_region(array &$args) { if (isset($args['config']['signing_region'])) { return $args['config']['signing_region']; } $args['__partition_result'] = isset($args['__partition_result']) ? isset($args['__partition_result']) : call_user_func(PartitionEndpointProvider::defaultProvider(), [ 'service' => $args['service'], 'region' => $args['region'], ]); return $args['__partition_result']['signingRegion'] ?? $args['region']; } public static function _apply_ignore_configured_endpoint_urls($value, array &$args) { $args['config']['ignore_configured_endpoint_urls'] = $value; } public static function _default_ignore_configured_endpoint_urls(array &$args) { return ConfigurationResolver::resolve( 'ignore_configured_endpoint_urls', false, 'bool', $args ); } public static function _default_endpoint(array &$args) { if ($args['config']['ignore_configured_endpoint_urls'] || !self::isValidService($args['service']) ) { return ''; } $serviceIdentifier = \Aws\manifest($args['service'])['serviceIdentifier']; $value = ConfigurationResolver::resolve( 'endpoint_url_' . $serviceIdentifier, '', 'string', $args + [ 'ini_resolver_options' => [ 'section' => 'services', 'subsection' => $serviceIdentifier, 'key' => 'endpoint_url' ] ] ); if (empty($value)) { $value = ConfigurationResolver::resolve( 'endpoint_url', '', 'string', $args ); } if (!empty($value)) { $args['config']['configured_endpoint_url'] = true; } return $value; } public static function _apply_region($value, array &$args) { if (empty($value)) { self::_missing_region($args); } $args['region'] = $value; } public static function _default_region(&$args) { return ConfigurationResolver::resolve('region', '', 'string'); } public static function _missing_region(array $args) { $service = $args['service'] ?? ''; $msg = <<<EOT Missing required client configuration options: region: (string) A "region" configuration value is required for the "{$service}" service (e.g., "us-west-2"). A list of available public regions and endpoints can be found at http://docs.aws.amazon.com/general/latest/gr/rande.html. EOT; throw new IAE($msg); } /** * Extracts client options for the endpoint provider to its own array * * @param array $args * @return array */ private static function getEndpointProviderOptions(array $args) { $options = []; $optionKeys = [ 'sts_regional_endpoints', 's3_us_east_1_regional_endpoint', ]; $configKeys = [ 'use_dual_stack_endpoint', 'use_fips_endpoint', ]; foreach ($optionKeys as $key) { if (isset($args[$key])) { $options[$key] = $args[$key]; } } foreach ($configKeys as $key) { if (isset($args['config'][$key])) { $options[$key] = $args['config'][$key]; } } return $options; } /** * Validates a region to be used for endpoint construction * * @param $region * @return bool */ private static function isValidRegion($region) { return is_valid_hostlabel($region); } private function _apply_client_context_params(array $args) { if (isset($args['api']) && !empty($args['api']->getClientContextParams())) { $clientContextParams = $args['api']->getClientContextParams(); foreach($clientContextParams as $paramName => $paramDefinition) { $definition = [ 'type' => 'value', 'valid' => [$paramDefinition['type']], 'doc' => $paramDefinition['documentation'] ?? null ]; $this->argDefinitions[$paramName] = $definition; if (isset($args[$paramName])) { $fn = self::$typeMap[$paramDefinition['type']]; if (!$fn($args[$paramName])) { $this->invalidType($paramName, $args[$paramName]); } } } } } private static function isValidService($service) { if (is_null($service)) { return false; } $services = \Aws\manifest(); return isset($services[$service]); } private static function isValidApiVersion($service, $apiVersion) { if (is_null($apiVersion)) { return false; } return is_dir( __DIR__ . "/data/{$service}/$apiVersion" ); } }
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