75 lines
2.4 KiB
PHP
75 lines
2.4 KiB
PHP
<?php
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/*
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* Copyright 2023 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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namespace Google\Auth;
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/**
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* Provides shared methods for updating request metadata (request headers).
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*
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* Should implement {@see UpdateMetadataInterface} and {@see FetchAuthTokenInterface}.
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*
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* @internal
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*/
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trait UpdateMetadataTrait
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{
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use MetricsTrait;
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/**
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* export a callback function which updates runtime metadata.
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*
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* @return callable updateMetadata function
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* @deprecated
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*/
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public function getUpdateMetadataFunc()
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{
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return [$this, 'updateMetadata'];
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}
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/**
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* Updates metadata with the authorization token.
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*
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* @param array<mixed> $metadata metadata hashmap
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* @param string $authUri optional auth uri
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* @param callable $httpHandler callback which delivers psr7 request
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* @return array<mixed> updated metadata hashmap
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*/
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public function updateMetadata(
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$metadata,
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$authUri = null,
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callable $httpHandler = null
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) {
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$metadata_copy = $metadata;
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// We do need to set the service api usage metrics irrespective even if
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// the auth token is set because invoking this method with auth tokens
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// would mean the intention is to just explicitly set the metrics metadata.
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$metadata_copy = $this->applyServiceApiUsageMetrics($metadata_copy);
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if (isset($metadata_copy[self::AUTH_METADATA_KEY])) {
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// Auth metadata has already been set
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return $metadata_copy;
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}
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$result = $this->fetchAuthToken($httpHandler);
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if (isset($result['access_token'])) {
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$metadata_copy[self::AUTH_METADATA_KEY] = ['Bearer ' . $result['access_token']];
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} elseif (isset($result['id_token'])) {
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$metadata_copy[self::AUTH_METADATA_KEY] = ['Bearer ' . $result['id_token']];
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}
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return $metadata_copy;
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}
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}
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