77 lines
2.1 KiB
PHP
77 lines
2.1 KiB
PHP
<?php namespace libs\oauth2;
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/**
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* Copyright 2015 OpenStack Foundation
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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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* http://www.apache.org/licenses/LICENSE-2.0
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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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/**
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* Class BearerAccessTokenAuthorizationHeaderParser
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* Parse
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* http://tools.ietf.org/html/rfc6750#section-2-1
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* @package oauth2
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*/
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class BearerAccessTokenAuthorizationHeaderParser
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{
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private static $instance = null;
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private function __construct()
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{
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}
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public static function getInstance()
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{
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if (self::$instance == null)
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{
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self::$instance = new BearerAccessTokenAuthorizationHeaderParser();
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}
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return self::$instance;
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}
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/**
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* @param string $http_auth_header_value
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* @return string
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* @throws OAuth2MissingBearerAccessTokenException
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*/
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public function parse($http_auth_header_value)
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{
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$accessTokenValue = '';
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if (!is_null($http_auth_header_value) && !empty($http_auth_header_value))
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{
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// Check for special case, because cURL sometimes does an
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// internal second request and doubles the authorization header,
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// which always resulted in an error.
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//
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// 1st request: Authorization: Bearer XXX
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// 2nd request: Authorization: Bearer XXX, Bearer XXX
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if (strpos($http_auth_header_value, ',') !== false)
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{
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$headerPart = explode(',', $http_auth_header_value);
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$accessTokenValue = trim(preg_replace('/^(?:\s+)?Bearer\s/', '', $headerPart[0]));
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}
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else
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{
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$accessTokenValue = trim(preg_replace('/^(?:\s+)?Bearer\s/', '', $http_auth_header_value));
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}
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$accessTokenValue = ($accessTokenValue == 'Bearer') ? '' : $accessTokenValue;
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}
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if (empty($accessTokenValue))
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{
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throw new OAuth2MissingBearerAccessTokenException;
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}
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return $accessTokenValue;
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}
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private function __clone()
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{
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}
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} |