spaces.php

aws/Aws/CognitoIdentity/CognitoIdentityProvider.php

@@ -0,0 +1,61 @@
+<?php
+namespace Aws\CognitoIdentity;
+
+use Aws\Credentials\Credentials;
+use GuzzleHttp\Promise;
+
+class CognitoIdentityProvider
+{
+    /** @var CognitoIdentityClient */
+    private $client;
+    /** @var string */
+    private $identityPoolId;
+    /** @var string|null */
+    private $accountId;
+    /** @var array */
+    private $logins;
+
+    public function __construct(
+        $poolId,
+        array $clientOptions,
+        array $logins = [],
+        $accountId = null
+    ) {
+        $this->identityPoolId = $poolId;
+        $this->logins = $logins;
+        $this->accountId = $accountId;
+        $this->client = new CognitoIdentityClient($clientOptions + [
+            'credentials' => false,
+        ]);
+    }
+
+    public function __invoke()
+    {
+        return Promise\coroutine(function () {
+            $params = $this->logins ? ['Logins' => $this->logins] : [];
+            $getIdParams = $params + ['IdentityPoolId' => $this->identityPoolId];
+            if ($this->accountId) {
+                $getIdParams['AccountId'] = $this->accountId;
+            }
+
+            $id = (yield $this->client->getId($getIdParams));
+            $result = (yield $this->client->getCredentialsForIdentity([
+                'IdentityId' => $id['IdentityId'],
+            ] + $params));
+
+            yield new Credentials(
+                $result['Credentials']['AccessKeyId'],
+                $result['Credentials']['SecretKey'],
+                $result['Credentials']['SessionToken'],
+                (int) $result['Credentials']['Expiration']->format('U')
+            );
+        });
+    }
+
+    public function updateLogin($key, $value)
+    {
+        $this->logins[$key] = $value;
+
+        return $this;
+    }
+}