mirror of
https://github.com/SociallyDev/Spaces-API.git
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v2: Updates
* Simplifies & beautifies everything * Introduces a new Class system. * Errors are defaulted to AWS's handler. * New function names & more efficient handling. * Should fix a majority of the errors. Please read the README for more!
This commit is contained in:
Devang Srivastava
parent
ad0726e41e
commit
e6d7753dc8
1095 changed files with 45088 additions and 2911 deletions
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@ -2,8 +2,10 @@
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namespace Aws\Credentials;
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use Aws;
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use Aws\Api\DateTimeResult;
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use Aws\CacheInterface;
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use Aws\Exception\CredentialsException;
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use Aws\Sts\StsClient;
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use GuzzleHttp\Promise;
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/**
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@ -42,18 +44,23 @@ use GuzzleHttp\Promise;
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*/
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class CredentialProvider
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{
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const ENV_ARN = 'AWS_ROLE_ARN';
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const ENV_KEY = 'AWS_ACCESS_KEY_ID';
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const ENV_PROFILE = 'AWS_PROFILE';
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const ENV_ROLE_SESSION_NAME = 'AWS_ROLE_SESSION_NAME';
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const ENV_SECRET = 'AWS_SECRET_ACCESS_KEY';
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const ENV_SESSION = 'AWS_SESSION_TOKEN';
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const ENV_PROFILE = 'AWS_PROFILE';
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const ENV_TOKEN_FILE = 'AWS_WEB_IDENTITY_TOKEN_FILE';
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/**
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* Create a default credential provider that first checks for environment
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* variables, then checks for the "default" profile in ~/.aws/credentials,
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* then checks for "profile default" profile in ~/.aws/config (which is
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* the default profile of AWS CLI), then tries to make a GET Request to
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* fetch credentials if Ecs environment variable is presented, and finally
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* checks for EC2 instance profile credentials.
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* fetch credentials if Ecs environment variable is presented, then checks
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* for credential_process in the "default" profile in ~/.aws/credentials,
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* then for credential_process in the "default profile" profile in
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* ~/.aws/config, and finally checks for EC2 instance profile credentials.
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*
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* This provider is automatically wrapped in a memoize function that caches
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* previously provided credentials.
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@ -65,13 +72,63 @@ class CredentialProvider
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*/
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public static function defaultProvider(array $config = [])
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{
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$localCredentialProviders = self::localCredentialProviders();
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$remoteCredentialProviders = self::remoteCredentialProviders($config);
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$cacheable = [
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'web_identity',
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'sso',
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'ecs',
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'process_credentials',
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'process_config',
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'instance'
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];
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$defaultChain = [
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'env' => self::env(),
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'web_identity' => self::assumeRoleWithWebIdentityCredentialProvider($config),
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];
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if (
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!isset($config['use_aws_shared_config_files'])
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|| $config['use_aws_shared_config_files'] !== false
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) {
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$defaultChain['sso'] = self::sso(
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'profile default',
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self::getHomeDir() . '/.aws/config',
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$config
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);
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$defaultChain['ini'] = self::ini();
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$defaultChain['ini_config'] = self::ini(
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'profile default',
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self::getHomeDir() . '/.aws/config'
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);
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}
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if (!empty(getenv(EcsCredentialProvider::ENV_URI))) {
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$defaultChain['ecs'] = self::ecsCredentials($config);
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}
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$defaultChain['process_credentials'] = self::process();
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$defaultChain['process_config'] = self::process(
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'profile default',
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self::getHomeDir() . '/.aws/config'
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);
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$defaultChain['instance'] = self::instanceProfile($config);
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if (isset($config['credentials'])
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&& $config['credentials'] instanceof CacheInterface
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) {
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foreach ($cacheable as $provider) {
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if (isset($defaultChain[$provider])) {
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$defaultChain[$provider] = self::cache(
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$defaultChain[$provider],
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$config['credentials'],
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'aws_cached_' . $provider . '_credentials'
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);
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}
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}
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}
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return self::memoize(
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call_user_func_array(
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'self::chain',
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array_merge($localCredentialProviders, $remoteCredentialProviders)
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array_values($defaultChain)
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)
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);
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}
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@ -158,6 +215,11 @@ class CredentialProvider
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}
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// Refresh the result and forward the promise.
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return $result = $provider();
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})
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->otherwise(function($reason) use (&$result) {
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// Cleanup rejected promise.
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$result = null;
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return new Promise\RejectedPromise($reason);
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});
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};
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}
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@ -167,8 +229,6 @@ class CredentialProvider
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* instance of Aws\CacheInterface. Forwards calls when no credentials found
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* in cache and updates cache with the results.
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*
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* Defaults to using a simple file-based cache when none provided.
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*
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* @param callable $provider Credentials provider function to wrap
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* @param CacheInterface $cache Cache to store credentials
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* @param string|null $cacheKey (optional) Cache key to use
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@ -242,6 +302,85 @@ class CredentialProvider
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return new InstanceProfileProvider($config);
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}
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/**
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* Credential provider that retrieves cached SSO credentials from the CLI
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*
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* @return callable
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*/
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public static function sso($ssoProfileName, $filename = null, $config = [])
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{
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$filename = $filename ?: (self::getHomeDir() . '/.aws/config');
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return function () use ($ssoProfileName, $filename, $config) {
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if (!is_readable($filename)) {
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return self::reject("Cannot read credentials from $filename");
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}
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$data = self::loadProfiles($filename);
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$ssoProfile = $data[$ssoProfileName];
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if (empty($ssoProfile['sso_start_url'])
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|| empty($ssoProfile['sso_region'])
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|| empty($ssoProfile['sso_account_id'])
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|| empty($ssoProfile['sso_role_name'])
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) {
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return self::reject(
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"Profile {$ssoProfileName} in {$filename} must contain the following keys: "
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. 'sso_start_url, sso_region, sso_account_id, and sso_role_name'
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);
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}
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$tokenLocation = self::getHomeDir()
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. '/.aws/sso/cache/'
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. utf8_encode(sha1($ssoProfile['sso_start_url']))
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. ".json";
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if (!is_readable($tokenLocation)) {
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return self::reject("Unable to read token file at $tokenLocation");
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}
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$tokenData = json_decode(file_get_contents($tokenLocation), true);
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if (empty($tokenData['accessToken']) || empty($tokenData['expiresAt'])) {
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return self::reject(
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"Token file at {$tokenLocation} must contain an access token and an expiration"
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);
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}
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try {
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$expiration = (new DateTimeResult($tokenData['expiresAt']))->getTimestamp();
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} catch (\Exception $e) {
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return self::reject("Cached SSO credentials returned an invalid expiration");
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}
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$now = time();
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if ($expiration < $now) {
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return self::reject("Cached SSO credentials returned expired credentials");
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}
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$ssoClient = null;
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if (empty($config['ssoClient'])) {
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$ssoClient = new Aws\SSO\SSOClient([
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'region' => $ssoProfile['sso_region'],
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'version' => '2019-06-10',
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'credentials' => false
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]);
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} else {
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$ssoClient = $config['ssoClient'];
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}
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$ssoResponse = $ssoClient->getRoleCredentials([
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'accessToken' => $tokenData['accessToken'],
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'accountId' => $ssoProfile['sso_account_id'],
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'roleName' => $ssoProfile['sso_role_name']
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]);
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$ssoCredentials = $ssoResponse['roleCredentials'];
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return Promise\promise_for(
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new Credentials(
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$ssoCredentials['accessKeyId'],
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$ssoCredentials['secretAccessKey'],
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$ssoCredentials['sessionToken'],
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$expiration
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)
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);
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};
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}
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/**
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* Credential provider that creates credentials using
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* ecs credentials by a GET request, whose uri is specified
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return new AssumeRoleCredentialProvider($config);
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}
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/**
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* Credential provider that creates credentials by assuming role from a
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* Web Identity Token
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*
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* @param array $config Array of configuration data
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* @return callable
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* @see Aws\Credentials\AssumeRoleWithWebIdentityCredentialProvider for
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* $config details.
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*/
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public static function assumeRoleWithWebIdentityCredentialProvider(array $config = [])
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{
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return function () use ($config) {
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$arnFromEnv = getenv(self::ENV_ARN);
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$tokenFromEnv = getenv(self::ENV_TOKEN_FILE);
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$stsClient = isset($config['stsClient'])
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? $config['stsClient']
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: null;
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$region = isset($config['region'])
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? $config['region']
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: null;
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if ($tokenFromEnv && $arnFromEnv) {
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$sessionName = getenv(self::ENV_ROLE_SESSION_NAME)
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? getenv(self::ENV_ROLE_SESSION_NAME)
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: null;
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$provider = new AssumeRoleWithWebIdentityCredentialProvider([
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'RoleArn' => $arnFromEnv,
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'WebIdentityTokenFile' => $tokenFromEnv,
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'SessionName' => $sessionName,
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'client' => $stsClient,
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'region' => $region
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]);
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return $provider();
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}
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$profileName = getenv(self::ENV_PROFILE) ?: 'default';
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if (isset($config['filename'])) {
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$profiles = self::loadProfiles($config['filename']);
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} else {
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$profiles = self::loadDefaultProfiles();
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}
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if (isset($profiles[$profileName])) {
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$profile = $profiles[$profileName];
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if (isset($profile['region'])) {
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$region = $profile['region'];
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}
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if (isset($profile['web_identity_token_file'])
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&& isset($profile['role_arn'])
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) {
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$sessionName = isset($profile['role_session_name'])
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? $profile['role_session_name']
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: null;
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$provider = new AssumeRoleWithWebIdentityCredentialProvider([
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'RoleArn' => $profile['role_arn'],
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'WebIdentityTokenFile' => $profile['web_identity_token_file'],
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'SessionName' => $sessionName,
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'client' => $stsClient,
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'region' => $region
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]);
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return $provider();
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}
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} else {
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return self::reject("Unknown profile: $profileName");
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}
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return self::reject("No RoleArn or WebIdentityTokenFile specified");
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};
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}
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/**
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* Credentials provider that creates credentials using an ini file stored
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* in the current user's home directory.
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* in the current user's home directory. A source can be provided
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* in this file for assuming a role using the credential_source config option.
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*
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* @param string|null $profile Profile to use. If not specified will use
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* the "default" profile in "~/.aws/credentials".
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* @param string|null $filename If provided, uses a custom filename rather
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* than looking in the home directory.
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* @param array|null $config If provided, may contain the following:
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* preferStaticCredentials: If true, prefer static
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* credentials to role_arn if both are present
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* disableAssumeRole: If true, disable support for
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* roles that assume an IAM role. If true and role profile
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* is selected, an error is raised.
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* stsClient: StsClient used to assume role specified in profile
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*
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* @return callable
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*/
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public static function ini($profile = null, $filename = null)
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public static function ini($profile = null, $filename = null, array $config = [])
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{
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$filename = $filename ?: (self::getHomeDir() . '/.aws/credentials');
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$profile = $profile ?: (getenv(self::ENV_PROFILE) ?: 'default');
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return function () use ($profile, $filename) {
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return function () use ($profile, $filename, $config) {
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$preferStaticCredentials = isset($config['preferStaticCredentials'])
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? $config['preferStaticCredentials']
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: false;
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$disableAssumeRole = isset($config['disableAssumeRole'])
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? $config['disableAssumeRole']
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: false;
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$stsClient = isset($config['stsClient']) ? $config['stsClient'] : null;
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if (!is_readable($filename)) {
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return self::reject("Cannot read credentials from $filename");
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}
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$data = parse_ini_file($filename, true);
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$data = self::loadProfiles($filename);
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if ($data === false) {
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return self::reject("Invalid credentials file: $filename");
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}
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if (!isset($data[$profile])) {
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return self::reject("'$profile' not found in credentials file");
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}
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/*
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In the CLI, the presence of both a role_arn and static credentials have
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different meanings depending on how many profiles have been visited. For
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the first profile processed, role_arn takes precedence over any static
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credentials, but for all subsequent profiles, static credentials are
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used if present, and only in their absence will the profile's
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source_profile and role_arn keys be used to load another set of
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credentials. This bool is intended to yield compatible behaviour in this
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sdk.
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*/
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$preferStaticCredentialsToRoleArn = ($preferStaticCredentials
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&& isset($data[$profile]['aws_access_key_id'])
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&& isset($data[$profile]['aws_secret_access_key']));
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if (isset($data[$profile]['role_arn'])
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&& !$preferStaticCredentialsToRoleArn
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) {
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if ($disableAssumeRole) {
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return self::reject(
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"Role assumption profiles are disabled. "
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. "Failed to load profile " . $profile);
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}
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return self::loadRoleProfile(
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$data,
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$profile,
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$filename,
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$stsClient
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);
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}
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if (!isset($data[$profile]['aws_access_key_id'])
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|| !isset($data[$profile]['aws_secret_access_key'])
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) {
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@ -321,53 +578,149 @@ class CredentialProvider
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}
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/**
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* Local credential providers returns a list of local credential providers
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* in following order:
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* - credentials from environment variables
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* - 'default' profile in '.aws/credentials' file
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* - 'profile default' profile in '.aws/config' file
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* Credentials provider that creates credentials using a process configured in
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* ini file stored in the current user's home directory.
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*
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* @return array
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* @param string|null $profile Profile to use. If not specified will use
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* the "default" profile in "~/.aws/credentials".
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* @param string|null $filename If provided, uses a custom filename rather
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* than looking in the home directory.
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*
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* @return callable
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*/
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private static function localCredentialProviders()
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public static function process($profile = null, $filename = null)
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{
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return [
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self::env(),
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self::ini(),
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self::ini('profile default', self::getHomeDir() . '/.aws/config')
|
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];
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$filename = $filename ?: (self::getHomeDir() . '/.aws/credentials');
|
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$profile = $profile ?: (getenv(self::ENV_PROFILE) ?: 'default');
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return function () use ($profile, $filename) {
|
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if (!is_readable($filename)) {
|
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return self::reject("Cannot read process credentials from $filename");
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}
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$data = \Aws\parse_ini_file($filename, true, INI_SCANNER_RAW);
|
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if ($data === false) {
|
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return self::reject("Invalid credentials file: $filename");
|
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}
|
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if (!isset($data[$profile])) {
|
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return self::reject("'$profile' not found in credentials file");
|
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}
|
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if (!isset($data[$profile]['credential_process'])) {
|
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return self::reject("No credential_process present in INI profile "
|
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. "'$profile' ($filename)");
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}
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|
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$credentialProcess = $data[$profile]['credential_process'];
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$json = shell_exec($credentialProcess);
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$processData = json_decode($json, true);
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// Only support version 1
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if (isset($processData['Version'])) {
|
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if ($processData['Version'] !== 1) {
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return self::reject("credential_process does not return Version == 1");
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}
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}
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|
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if (!isset($processData['AccessKeyId'])
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|| !isset($processData['SecretAccessKey']))
|
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{
|
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return self::reject("credential_process does not return valid credentials");
|
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}
|
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|
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if (isset($processData['Expiration'])) {
|
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try {
|
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$expiration = new DateTimeResult($processData['Expiration']);
|
||||
} catch (\Exception $e) {
|
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return self::reject("credential_process returned invalid expiration");
|
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}
|
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$now = new DateTimeResult();
|
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if ($expiration < $now) {
|
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return self::reject("credential_process returned expired credentials");
|
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}
|
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$expires = $expiration->getTimestamp();
|
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} else {
|
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$expires = null;
|
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}
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|
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if (empty($processData['SessionToken'])) {
|
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$processData['SessionToken'] = null;
|
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}
|
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|
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return Promise\promise_for(
|
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new Credentials(
|
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$processData['AccessKeyId'],
|
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$processData['SecretAccessKey'],
|
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$processData['SessionToken'],
|
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$expires
|
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)
|
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);
|
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};
|
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}
|
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|
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/**
|
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* Remote credential providers returns a list of credentials providers
|
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* for the remote endpoints such as EC2 or ECS Roles.
|
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* Assumes role for profile that includes role_arn
|
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*
|
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* @param array $config Array of configuration data.
|
||||
*
|
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* @return array
|
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* @see Aws\Credentials\InstanceProfileProvider for $config details.
|
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* @see Aws\Credentials\EcsCredentialProvider for $config details.
|
||||
* @return callable
|
||||
*/
|
||||
private static function remoteCredentialProviders(array $config = [])
|
||||
private static function loadRoleProfile($profiles, $profileName, $filename, $stsClient)
|
||||
{
|
||||
if (!empty(getenv(EcsCredentialProvider::ENV_URI))) {
|
||||
$providers['ecs'] = self::ecsCredentials($config);
|
||||
}
|
||||
$providers['instance'] = self::instanceProfile($config);
|
||||
$roleProfile = $profiles[$profileName];
|
||||
$roleArn = isset($roleProfile['role_arn']) ? $roleProfile['role_arn'] : '';
|
||||
$roleSessionName = isset($roleProfile['role_session_name'])
|
||||
? $roleProfile['role_session_name']
|
||||
: 'aws-sdk-php-' . round(microtime(true) * 1000);
|
||||
|
||||
if (isset($config['credentials'])
|
||||
&& $config['credentials'] instanceof CacheInterface
|
||||
if (
|
||||
empty($roleProfile['source_profile'])
|
||||
== empty($roleProfile['credential_source'])
|
||||
) {
|
||||
foreach ($providers as $key => $provider) {
|
||||
$providers[$key] = self::cache(
|
||||
$provider,
|
||||
$config['credentials'],
|
||||
'aws_cached_' . $key . '_credentials'
|
||||
return self::reject("Either source_profile or credential_source must be set " .
|
||||
"using profile " . $profileName . ", but not both."
|
||||
);
|
||||
}
|
||||
|
||||
$sourceProfileName = "";
|
||||
if (!empty($roleProfile['source_profile'])) {
|
||||
$sourceProfileName = $roleProfile['source_profile'];
|
||||
if (!isset($profiles[$sourceProfileName])) {
|
||||
return self::reject("source_profile " . $sourceProfileName
|
||||
. " using profile " . $profileName . " does not exist"
|
||||
);
|
||||
}
|
||||
}
|
||||
$sourceRegion = isset($profiles[$sourceProfileName]['region'])
|
||||
? $profiles[$sourceProfileName]['region']
|
||||
: 'us-east-1';
|
||||
|
||||
return $providers;
|
||||
if (empty($stsClient)) {
|
||||
$config = [
|
||||
'preferStaticCredentials' => true
|
||||
];
|
||||
$sourceCredentials = null;
|
||||
if ($roleProfile['source_profile']){
|
||||
$sourceCredentials = call_user_func(
|
||||
CredentialProvider::ini($sourceProfileName, $filename, $config)
|
||||
)->wait();
|
||||
} else {
|
||||
$sourceCredentials = self::getCredentialsFromSource(
|
||||
$profileName,
|
||||
$filename
|
||||
);
|
||||
}
|
||||
$stsClient = new StsClient([
|
||||
'credentials' => $sourceCredentials,
|
||||
'region' => $sourceRegion,
|
||||
'version' => '2011-06-15',
|
||||
]);
|
||||
}
|
||||
|
||||
$result = $stsClient->assumeRole([
|
||||
'RoleArn' => $roleArn,
|
||||
'RoleSessionName' => $roleSessionName
|
||||
]);
|
||||
|
||||
$credentials = $stsClient->createCredentials($result);
|
||||
return Promise\promise_for($credentials);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -389,6 +742,97 @@ class CredentialProvider
|
|||
return ($homeDrive && $homePath) ? $homeDrive . $homePath : null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets profiles from specified $filename, or default ini files.
|
||||
*/
|
||||
private static function loadProfiles($filename)
|
||||
{
|
||||
$profileData = \Aws\parse_ini_file($filename, true, INI_SCANNER_RAW);
|
||||
|
||||
// If loading .aws/credentials, also load .aws/config when AWS_SDK_LOAD_NONDEFAULT_CONFIG is set
|
||||
if ($filename === self::getHomeDir() . '/.aws/credentials'
|
||||
&& getenv('AWS_SDK_LOAD_NONDEFAULT_CONFIG')
|
||||
) {
|
||||
$configFilename = self::getHomeDir() . '/.aws/config';
|
||||
$configProfileData = \Aws\parse_ini_file($configFilename, true, INI_SCANNER_RAW);
|
||||
foreach ($configProfileData as $name => $profile) {
|
||||
// standardize config profile names
|
||||
$name = str_replace('profile ', '', $name);
|
||||
if (!isset($profileData[$name])) {
|
||||
$profileData[$name] = $profile;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $profileData;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets profiles from ~/.aws/credentials and ~/.aws/config ini files
|
||||
*/
|
||||
private static function loadDefaultProfiles() {
|
||||
$profiles = [];
|
||||
$credFile = self::getHomeDir() . '/.aws/credentials';
|
||||
$configFile = self::getHomeDir() . '/.aws/config';
|
||||
if (file_exists($credFile)) {
|
||||
$profiles = \Aws\parse_ini_file($credFile, true, INI_SCANNER_RAW);
|
||||
}
|
||||
|
||||
if (file_exists($configFile)) {
|
||||
$configProfileData = \Aws\parse_ini_file($configFile, true, INI_SCANNER_RAW);
|
||||
foreach ($configProfileData as $name => $profile) {
|
||||
// standardize config profile names
|
||||
$name = str_replace('profile ', '', $name);
|
||||
if (!isset($profiles[$name])) {
|
||||
$profiles[$name] = $profile;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $profiles;
|
||||
}
|
||||
|
||||
public static function getCredentialsFromSource(
|
||||
$profileName = '',
|
||||
$filename = '',
|
||||
$config = []
|
||||
) {
|
||||
$data = self::loadProfiles($filename);
|
||||
$credentialSource = !empty($data[$profileName]['credential_source']) ? $data[$profileName]['credential_source'] : null;
|
||||
$credentialsPromise = null;
|
||||
|
||||
switch ($credentialSource) {
|
||||
case 'Environment':
|
||||
$credentialsPromise = self::env();
|
||||
break;
|
||||
case 'Ec2InstanceMetadata':
|
||||
$credentialsPromise = self::instanceProfile($config);
|
||||
break;
|
||||
case 'EcsContainer':
|
||||
$credentialsPromise = self::ecsCredentials($config);
|
||||
break;
|
||||
default:
|
||||
throw new CredentialsException (
|
||||
"Invalid credential_source found in config file: {$credentialSource}. Valid inputs "
|
||||
. "include Environment, Ec2InstanceMetadata, and EcsContainer."
|
||||
);
|
||||
}
|
||||
|
||||
$credentialsResult = null;
|
||||
try {
|
||||
$credentialsResult = $credentialsPromise()->wait();
|
||||
} catch (\Exception $reason) {
|
||||
return self::reject(
|
||||
"Unable to successfully retrieve credentials from the source specified in the"
|
||||
. " credentials file: {$credentialSource}; failure message was: "
|
||||
. $reason->getMessage()
|
||||
);
|
||||
}
|
||||
return function () use ($credentialsResult) {
|
||||
return Promise\promise_for($credentialsResult);
|
||||
};
|
||||
}
|
||||
|
||||
private static function reject($msg)
|
||||
{
|
||||
return new Promise\RejectedPromise(new CredentialsException($msg));
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue