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![Paddy](/assets/img/avatar_default.png)
Switch to using Go modules. This migrates our vendor.json to use Go 1.11's modules system, and replaces the vendor folder with the output of go mod vendor. The vendored code should remain basically the same; I believe some tree shaking of packages and support scripts/licenses/READMEs/etc. happened. This also fixes Travis and our Makefile to no longer use govendor.
74 lines
1.8 KiB
Go
74 lines
1.8 KiB
Go
package plugin
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import (
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"bytes"
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"crypto/ecdsa"
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"crypto/elliptic"
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"crypto/rand"
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"crypto/x509"
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"crypto/x509/pkix"
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"encoding/pem"
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"math/big"
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"time"
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)
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// generateCert generates a temporary certificate for plugin authentication. The
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// certificate and private key are returns in PEM format.
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func generateCert() (cert []byte, privateKey []byte, err error) {
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key, err := ecdsa.GenerateKey(elliptic.P521(), rand.Reader)
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if err != nil {
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return nil, nil, err
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}
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serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128)
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sn, err := rand.Int(rand.Reader, serialNumberLimit)
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if err != nil {
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return nil, nil, err
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}
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host := "localhost"
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template := &x509.Certificate{
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Subject: pkix.Name{
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CommonName: host,
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Organization: []string{"HashiCorp"},
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},
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DNSNames: []string{host},
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ExtKeyUsage: []x509.ExtKeyUsage{
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x509.ExtKeyUsageClientAuth,
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x509.ExtKeyUsageServerAuth,
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},
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KeyUsage: x509.KeyUsageDigitalSignature | x509.KeyUsageKeyEncipherment | x509.KeyUsageKeyAgreement | x509.KeyUsageCertSign,
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BasicConstraintsValid: true,
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SerialNumber: sn,
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NotBefore: time.Now().Add(-30 * time.Second),
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NotAfter: time.Now().Add(262980 * time.Hour),
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IsCA: true,
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}
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der, err := x509.CreateCertificate(rand.Reader, template, template, key.Public(), key)
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if err != nil {
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return nil, nil, err
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}
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var certOut bytes.Buffer
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if err := pem.Encode(&certOut, &pem.Block{Type: "CERTIFICATE", Bytes: der}); err != nil {
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return nil, nil, err
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}
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keyBytes, err := x509.MarshalECPrivateKey(key)
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if err != nil {
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return nil, nil, err
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}
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var keyOut bytes.Buffer
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if err := pem.Encode(&keyOut, &pem.Block{Type: "EC PRIVATE KEY", Bytes: keyBytes}); err != nil {
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return nil, nil, err
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}
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cert = certOut.Bytes()
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privateKey = keyOut.Bytes()
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return cert, privateKey, nil
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}
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