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34 lines
781 B
Go
34 lines
781 B
Go
package targets
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import (
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"crypto/x509"
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"encoding/base64"
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"errors"
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"io/ioutil"
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)
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// GetCertPool returns a x509.CertPool containing the cert(s)
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// from `cert`, which can be a path to a .pem or .crt file,
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// or a base64 encoded cert.
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func GetCertPool(cert string) (*x509.CertPool, error) {
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if cert == "" {
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return nil, errors.New("no cert provided")
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}
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// first treat as a file and try to read.
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serverCert, err := ioutil.ReadFile(cert)
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if err != nil {
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// maybe it's a base64 encoded cert
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serverCert, err = base64.StdEncoding.DecodeString(cert)
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if err != nil {
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return nil, errors.New("cert cannot be read")
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}
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}
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pool := x509.NewCertPool()
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if ok := pool.AppendCertsFromPEM(serverCert); ok {
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return pool, nil
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}
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return nil, errors.New("cannot parse cert")
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}
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