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Alternative credential retrieval - threadsafe #2722

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Alternative credential retrieval - threadsafe #2722

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64fc419
Fallback to $_SERVER as source for credentials
paullallier Jul 4, 2023
c0edd18
Fallback to $_SERVER as source for credentials
paullallier Jul 4, 2023
7728a7b
Merge remote-tracking branch 'origin/alternative_credential_retrieval…
paullallier Jul 4, 2023
5c2fc0b
Fallback to $_SERVER as source for credentials
paullallier Jul 4, 2023
ecfa9d0
Revert change to ENV_SESSION since it's not working
paullallier Aug 25, 2023
4651651
Merge branch 'aws:master' into alternative_credential_retrieval
paullallier Jul 1, 2024
6ac8156
Update CredentialProvider.php
paullallier Jul 1, 2024
6523dae
Add missing LF
paullallier Jul 1, 2024
4356661
Set the $_SERVER variables a different way
paullallier Jul 12, 2024
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7 changes: 7 additions & 0 deletions .changes/nextrelease/bugfix-fix-empty-getenv-in-credentials-provider.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
[
{
"type": "bugfix",
"category": "",
"description": "Fix using credentials provider on multi-threaded servers"
}
]
6 changes: 3 additions & 3 deletions src/Credentials/CredentialProvider.php
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Original file line number Diff line number Diff line change
Expand Up @@ -289,11 +289,11 @@ public static function env()
{
return function () {
// Use credentials from environment variables, if available
$key = getenv(self::ENV_KEY);
$secret = getenv(self::ENV_SECRET);
$key = getenv(self::ENV_KEY) ?: $_SERVER[self::ENV_KEY] ?? false;
$secret = getenv(self::ENV_SECRET) ?: $_SERVER[self::ENV_SECRET] ?? false;
if ($key && $secret) {
return Promise\Create::promiseFor(
new Credentials($key, $secret, getenv(self::ENV_SESSION) ?: NULL)
new Credentials($key, $secret, getenv(self::ENV_SESSION) ?: $_SERVER[self::ENV_SESSION] ?? NULL)
);
}

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47 changes: 47 additions & 0 deletions tests/Credentials/CredentialProviderTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,38 @@ private function clearEnv()
return $dir;
}

private function clearEnvExceptServer()
{
putenv(CredentialProvider::ENV_KEY . '=');
putenv(CredentialProvider::ENV_SECRET . '=');
putenv(CredentialProvider::ENV_PROFILE . '=');
putenv('AWS_CONTAINER_CREDENTIALS_RELATIVE_URI');
putenv('AWS_CONTAINER_CREDENTIALS_FULL_URI');
putenv('AWS_CONTAINER_AUTHORIZATION_TOKEN');
putenv('AWS_SDK_LOAD_NONDEFAULT_CONFIG');
putenv('AWS_WEB_IDENTITY_TOKEN_FILE');
putenv('AWS_ROLE_ARN');
putenv('AWS_ROLE_SESSION_NAME');
putenv('AWS_SHARED_CREDENTIALS_FILE');

unset($_SERVER['AWS_CONTAINER_CREDENTIALS_RELATIVE_URI']);
unset($_SERVER['AWS_CONTAINER_CREDENTIALS_FULL_URI']);
unset($_SERVER['AWS_CONTAINER_AUTHORIZATION_TOKEN']);
unset($_SERVER['AWS_SDK_LOAD_NONDEFAULT_CONFIG']);
unset($_SERVER['AWS_WEB_IDENTITY_TOKEN_FILE']);
unset($_SERVER['AWS_ROLE_ARN']);
unset($_SERVER['AWS_ROLE_SESSION_NAME']);
unset($_SERVER['AWS_SHARED_CREDENTIALS_FILE']);

$dir = sys_get_temp_dir() . '/.aws';

if (!is_dir($dir)) {
mkdir($dir, 0777, true);
}

return $dir;
}

public function set_up()
{
$this->home = getenv('HOME');
Expand Down Expand Up @@ -173,6 +205,21 @@ public function testCreatesFromEnvironmentVariables()
$this->assertSame('456', $creds->getSecurityToken());
}

public function testCreatesFromServerVariables()
{
$this->clearEnvExceptServer();
$_SERVER[CredentialProvider::ENV_KEY] = 'abc';
$_SERVER[CredentialProvider::ENV_SECRET] = '123';
$_SERVER[CredentialProvider::ENV_SESSION] = '456';
$creds = call_user_func(CredentialProvider::env())->wait();
$this->assertSame('abc', $creds->getAccessKeyId());
$this->assertSame('123', $creds->getSecretKey());
$this->assertSame('456', $creds->getSecurityToken());
unset($_SERVER[CredentialProvider::ENV_KEY]);
unset($_SERVER[CredentialProvider::ENV_SECRET]);
unset($_SERVER[CredentialProvider::ENV_SESSION]);
}

public function testCreatesFromEnvironmentVariablesNullToken()
{
$this->clearEnv();
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