cloudflared/tlsconfig/cloudflare_ca.go

package tlsconfig

import (
	"crypto/x509"
	"encoding/pem"
)

// TODO: remove the Origin CA root certs when migrated to Authenticated Origin Pull certs
var cloudflareRootCA = []byte(`
Issuer: C=US, ST=California, L=San Francisco, O=CloudFlare, Inc., OU=CloudFlare Origin SSL ECC Certificate Authority
-----BEGIN CERTIFICATE-----
MIICiTCCAi6gAwIBAgIUXZP3MWb8MKwBE1Qbawsp1sfA/Y4wCgYIKoZIzj0EAwIw
gY8xCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlhMRYwFAYDVQQHEw1T
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MBcGA1UEChMQQ2xvdWRGbGFyZSwgSW5jLjE4MDYGA1UECxMvQ2xvdWRGbGFyZSBP
cmlnaW4gU1NMIEVDQyBDZXJ0aWZpY2F0ZSBBdXRob3JpdHkwWTATBgcqhkjOPQIB
BggqhkjOPQMBBwNCAASR+sGALuaGshnUbcxKry+0LEXZ4NY6JUAtSeA6g87K3jaA
xpIg9G50PokpfWkhbarLfpcZu0UAoYy2su0EhN7wo2YwZDAOBgNVHQ8BAf8EBAMC
AQYwEgYDVR0TAQH/BAgwBgEB/wIBAjAdBgNVHQ4EFgQUhTBdOypw1O3VkmcH/es5
tBoOOKcwHwYDVR0jBBgwFoAUhTBdOypw1O3VkmcH/es5tBoOOKcwCgYIKoZIzj0E
AwIDSQAwRgIhAKilfntP2ILGZjwajktkBtXE1pB4Y/fjAfLkIRUzrI15AiEA5UCL
XYZZ9m2c3fKwIenMMojL1eqydsgqj/wK4p5kagQ=
-----END CERTIFICATE-----
Issuer: C=US, O=CloudFlare, Inc., OU=CloudFlare Origin SSL Certificate Authority, L=San Francisco, ST=California
-----BEGIN CERTIFICATE-----
MIIEADCCAuigAwIBAgIID+rOSdTGfGcwDQYJKoZIhvcNAQELBQAwgYsxCzAJBgNV
BAYTAlVTMRkwFwYDVQQKExBDbG91ZEZsYXJlLCBJbmMuMTQwMgYDVQQLEytDbG91
ZEZsYXJlIE9yaWdpbiBTU0wgQ2VydGlmaWNhdGUgQXV0aG9yaXR5MRYwFAYDVQQH
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lwrFSySWAdwYdgxw180yKU0dvwIDAQABo2YwZDAOBgNVHQ8BAf8EBAMCAQYwEgYD
VR0TAQH/BAgwBgEB/wIBAjAdBgNVHQ4EFgQUJOhTV118NECHqeuU27rhFnj8KaQw
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0iykLhH1trywrKRMVw67F44IE8Y=
-----END CERTIFICATE-----
Issuer: C=US, O=CloudFlare, Inc., OU=Origin Pull, L=San Francisco, ST=California, CN=origin-pull.cloudflare.net
-----BEGIN CERTIFICATE-----
MIIGCjCCA/KgAwIBAgIIV5G6lVbCLmEwDQYJKoZIhvcNAQENBQAwgZAxCzAJBgNV
BAYTAlVTMRkwFwYDVQQKExBDbG91ZEZsYXJlLCBJbmMuMRQwEgYDVQQLEwtPcmln
aW4gUHVsbDEWMBQGA1UEBxMNU2FuIEZyYW5jaXNjbzETMBEGA1UECBMKQ2FsaWZv
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5ulBqZaCHm563jsvWb/kXJnlFxW+1bsO9BDD6DweBcGdNurgmH625wBXksSdD7y/
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bA+JbyJeUMtU7KMsxvx82RmhqBEJJDBCJ3scVptvhDMRrtqDBW5JShxoAOcpFQGm
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fVQ6VpyjEXdiIXWUq/o=
-----END CERTIFICATE-----`)

func GetCloudflareRootCA() ([]*x509.Certificate, error) {
	var certs []*x509.Certificate
	pemBlocks := cloudflareRootCA
	for len(pemBlocks) > 0 {
		var block *pem.Block
		block, pemBlocks = pem.Decode(pemBlocks)
		if block == nil {
			break
		}
		if block.Type != "CERTIFICATE" {
			continue
		}

		cert, err := x509.ParseCertificate(block.Bytes)
		if err != nil {
			return nil, err
		}

		certs = append(certs, cert)
	}

	return certs, nil
}