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57 lines
1.5 KiB
57 lines
1.5 KiB
/*
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* MinIO Cloud Storage, (C) 2020 MinIO, Inc.
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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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package certs
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import (
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"crypto/x509"
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"io/ioutil"
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"os"
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"path"
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)
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// GetRootCAs - returns all the root CAs into certPool
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// at the input certsCADir
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func GetRootCAs(certsCAsDir string) (*x509.CertPool, error) {
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rootCAs, _ := x509.SystemCertPool()
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if rootCAs == nil {
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// In some systems (like Windows) system cert pool is
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// not supported or no certificates are present on the
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// system - so we create a new cert pool.
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rootCAs = x509.NewCertPool()
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}
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fis, err := ioutil.ReadDir(certsCAsDir)
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if err != nil {
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if os.IsNotExist(err) || os.IsPermission(err) {
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// Return success if CA's directory is missing or permission denied.
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err = nil
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}
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return rootCAs, err
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}
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// Load all custom CA files.
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for _, fi := range fis {
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caCert, err := ioutil.ReadFile(path.Join(certsCAsDir, fi.Name()))
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if err != nil {
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// ignore files which are not readable.
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continue
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}
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rootCAs.AppendCertsFromPEM(caCert)
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}
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return rootCAs, nil
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}
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