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Code Issues Releases Activity
8142c9eeec
oauth2-proxy/pkg/util/util_test.go
emsixteeen a5006fd606
Issue: 2236 - adds an option to append CA certificates (#2237) 
* adding append option for custom CA certs

* updated test for changed GetCertPool signature, added testing to check functionality of empty and non-empty store

* adding legacy options as well

* update associated documentation

* fixing code climate complaints - reduce number of return statements

* Apply suggestions from code review

Changes caFilesAppend (and variants) to useSystemTrustStore

Co-authored-by: Jan Larwig <jan@larwig.com>

* Apply suggestions from code review

Fixes extra whitespaces and grammar.

Co-authored-by: Koen van Zuijlen <8818390+kvanzuijlen@users.noreply.github.com>

* fix indentation

* update changelog

---------

Co-authored-by: Jan Larwig <jan@larwig.com>
Co-authored-by: Koen van Zuijlen <8818390+kvanzuijlen@users.noreply.github.com>
Co-authored-by: Joel Speed <Joel.speed@hotmail.co.uk>
2023-10-25 11:36:17 +01:00

256 lines
13 KiB
Go
Raw Blame History

package util
import (
"crypto/x509"
"encoding/pem"
"os"
"testing"
"github.com/stretchr/testify/assert"
)
// Test certificate created with an OpenSSL command in the following form:
// # Create "root1" certification and "cert1" certification signed by "root1" certification.
// openssl req -x509 -nodes -days 365000 -newkey rsa:4096 -keyout root1.key -out root1.pem -subj "/CN=oauth2-proxy test root1 ca"
// openssl req -nodes -days 365000 -newkey rsa:4096 -keyout cert1.key -out cert1-req.pem -subj "/CN=oauth2-proxy test cert1 ca"
// openssl x509 -req -in cert1-req.pem -days 365000 -CA root1.pem -CAkey root1.key -set_serial 01 -out cert1.pem
// openssl verify -CAfile ./root1.pem cert1.pem
// # Create "root2" certification and "cert2" certification signed by "root2" certification.
// openssl req -x509 -nodes -days 365000 -newkey rsa:4096 -keyout root2.key -out root2.pem -subj "/CN=oauth2-proxy test root2 ca"
// openssl req -nodes -days 365000 -newkey rsa:4096 -keyout cert2.key -out cert2-req.pem -subj "/CN=oauth2-proxy test cert2 ca"
// openssl x509 -req -in cert2-req.pem -days 365000 -CA root2.pem -CAkey root2.key -set_serial 01 -out cert2.pem
// openssl verify -CAfile ./root2.pem cert2.pem
// # Create "root3" certification and "cert3" certification signed by "root3" certification.
// openssl req -x509 -nodes -days 365000 -newkey rsa:4096 -keyout root3.key -out root3.pem -subj "/CN=oauth2-proxy test root3 ca"
// openssl req -nodes -days 365000 -newkey rsa:4096 -keyout cert3.key -out cert3-req.pem -subj "/CN=oauth2-proxy test cert3 ca"
// openssl x509 -req -in cert3-req.pem -days 365000 -CA root3.pem -CAkey root3.key -set_serial 01 -out cert3.pem
// openssl verify -CAfile ./root3.pem cert3.pem
var (
root1Cert = `-----BEGIN CERTIFICATE-----
MIIFLTCCAxWgAwIBAgIUfVKJjmDCrxB6a4GfPxF7QjP67vwwDQYJKoZIhvcNAQEL
BQAwJTEjMCEGA1UEAwwab2F1dGgyLXByb3h5IHRlc3Qgcm9vdDEgY2EwIBcNMjIw
NzA3MjMyNzUwWhgPMzAyMTExMDcyMzI3NTBaMCUxIzAhBgNVBAMMGm9hdXRoMi1w
cm94eSB0ZXN0IHJvb3QxIGNhMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKC
AgEA8a5ieYCOmxkKT5fnZbLe5zWun+zNVnIGJOrrayg4esJ9TXfnfzQJE6sC+7ty
C5CGmueZqNAiYBriXzLoQwqtb+wVORH6TBzn2rNQonxMXB4rGaHX9Z1+bx3a3WKi
nDY1oERDeAeDOS42QhJIoSnYMYVHWeKdYw+xveLPjtqiN7pj7bPB7vpyFRO0c3r1
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AocvbFcNNth6jiM9a4jERjZ+VV/rvvGAx1Ucp3a9kcHc9s2r0bQV82U3KqO2RNP4
M5y9g+TKMttaDMp2PC20jpWwfJ/wfmFWk6QK0oJU6FlcaPOop6YzIaIdOP6qXVEv
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Za1bOvOT14m4yJvM6uyykYLkNqXpbZ8HEux9jwPoWfAWRVJfFt8aPCUb4vT3S6ps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z0ZbR2ytzflzXZrj6JEN1R4QJ2UTvzcYBNbT+UnNpMrqGk9HO5v0D/k0QoN4XtCv
YX351kePLY+69mTzwjWVjdH1aZh5ROh4i3Zez1+aZZuZlOoIOWbm1EzlmAYwlQ1L
OArpFJ7vc1Xx6/q9uoW9bkZk4tYNRdgighCDBDv8JnIHl+ZUPAJm1dnnv7reyfPy
wgySqqf9K+LokNpEsVS3sQYa5HRgF4rGYPBiOxnHBRb+7PnGNK9p8wI/FAfbuXJN
oV3sleVSP/U9sr/1q8ThUy7w9MW8NOT4EKbQh5Ph5L2aafsO+LNn9Ly9vZgxy5Dz
HJcjgKpeXzKhwMtFToVEkkIx+VL0kcRxou4XAF2wltck
-----END CERTIFICATE-----
`
root2Cert = `-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
`
cert1CertSubj = "CN=oauth2-proxy test cert1 ca"
cert1Cert = `-----BEGIN CERTIFICATE-----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reS3NQgEPFbSoxZRS2e5zpopuFOekUejT+57zib4XalOdVNZi7CFbF4OZuMGXYsj
IgaIatcon8ujk/f0LqUfCSyNFXLpO10ZKpV5z0QGXyMYfLjImUyHHHs6VPPc3AL0
cCspspx8ihnOHE9pD0ljfbQI/mdwk0wZ5Cg+AOWk2x1nlzXUV4aHtv9VLOaUb66u
O5o6nSUu/nEBwsLo5xiXur63V0GEolj+Ia7DROEyofX/G8whlAxHT4IqAit2CVSA
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+fgiDqs4CfOLxUKIfrO8+gHxFEBSYjr194lccK2AlzneCDs5E4qyspaxT1mBm2D0
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ldU6ntf7soIbh3JXeoyNuDrth/M4QO4TcgZG4svaRUraoATov2J6D2SyJBqrzEK9
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gBncgeV/3A8IKwkiWcVYkMhe+tW59Q19j2t9BFyDkRECpOeNTR9OcQ1mwpv/BfY3
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WA+NNQQzq8KOuyTUxx9OYtBq93WFpnOE8/jrOu+KCmrGLXBS5CYOviu4q6/wEp0O
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ZZUrUbOKkforJJnoiPXIlG/Lka4=
-----END CERTIFICATE-----
`
cert2CertSubj = "CN=oauth2-proxy test cert2 ca"
cert2Cert = `-----BEGIN CERTIFICATE-----
MIIEwDCCAqgCAQEwDQYJKoZIhvcNAQELBQAwJTEjMCEGA1UEAwwab2F1dGgyLXBy
b3h5IHRlc3Qgcm9vdDIgY2EwIBcNMjIwNzA3MjMyNzUyWhgPMzAyMTExMDcyMzI3
NTJaMCUxIzAhBgNVBAMMGm9hdXRoMi1wcm94eSB0ZXN0IGNlcnQyIGNhMIICIjAN
BgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAoyM+YiNabREpTjoZ+pl2QimTTwnQ
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8ogc7Y3N4drpKQdPr364mxy0o8cr0d4H+rXBYpWy/JiUEQ+ZsrGjeX1URALkdOcO
SIUAL1UhMysNUXGP8OttP9+TKlZEInFS6bZea+5Hm7SG/3upFfMd9SVPIbw8ixzD
0w9uCrmQ89hy/qSarAn5PFSY2aVpCxGs4Nbs9tG150Y54GgnIjFEmb65EKsHOGf8
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tjPruxVQq6NwzP6pj3konaoCeGs2kiepJBHgZ5c/YUT7CVjInUMOz3bxqMxVDRda
ZuewaJp6IMZGeBL0Oeb2pXVFGjKehkGBlNr/nuH2tvFVVRPMu/ooqrHhyj0+WHbD
NYVTNAnwHqFy4mNKOH/MwW7KGUORvAQtR1n8yzityGW1q//KfRuwqsn+ZCwnEe82
UiYGZKAL1pKZDWtp6QdbEt2sF4U7HFAvhvWekRd9gVanMtILfI9Sosbo9HLtMvyq
Pq0fIPFdxOj6G5vRkJqGnHzF88l1oyBQXdw16CNETxj+LyhrzlKTwgy5GQz1Eohn
4N9rfnCp5salP9naH5eRD/dBFA0m/yhYWF5MeRlNSbuxk3jxuZ7/HsbxG5zczEuZ
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iQrSTvd4cxrJEGxRWz2rfSZOAUM=
-----END CERTIFICATE-----
`
cert3CertSubj = "CN=oauth2-proxy test cert3 ca"
cert3Cert = `-----BEGIN CERTIFICATE-----
MIIEwDCCAqgCAQEwDQYJKoZIhvcNAQELBQAwJTEjMCEGA1UEAwwab2F1dGgyLXBy
b3h5IHRlc3Qgcm9vdDMgY2EwIBcNMjIwNzA3MjMyNzUzWhgPMzAyMTExMDcyMzI3
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Vf/RTV1o/PUNYhKmQhuprPFEGYkpwJzZy9f9cgB16Lr4wuUhD/LzzzJwftn7orBM
h6GooNtnxCYcmJVtFI73uwBT70cXEV+ziDyfutPIxSOC7XtcDzl5ZocapzezqTjN
xFczC3r1bRDOEGa/B8yLaH1FqtH92+cZguwdhEq8TxZE+V1Ze/jqOfodFSpcpcz4
8A2BIjNU2gDjsnWOKlI5NxS7UbTHqXX65GsYPR5jfsaEkGf1B5aqXXuElW2iW+cA
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iNWaqjnKWA+Bec2oTXo7LX+i1YWHh0cJpPrSmMeVoqX1rsiugOzR3FtAawMN+b+Z
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hCR2lNlNaGX5N9RaDD+MonB1iSJMFL8G9lhGHLPcjJwjkSHpcGp+yplbMRlsUqww
ysfSIPMKydlLJUoVfhl1CnZmFE4NidxSF+wV0M3ai9CFGZ34HcXx28Jj8rFjnibN
AFgjUfC7DvXLb3INJYHi9ZVTXZlliElF5evKhk9NzNXk1gdam+7uFvqPKSYGecX/
fDcov2LkS95u4Zd692xaiE6UUxT4qcKEoZ5TM0aGjJjx0fDAYqgXes5lA3AYIN0S
hAEEC1diGFkQivnBjfxKMkauStsV828yTxtqOdlu75sUcW58AUKJ0LZ6bf8gzVSf
iY7GK6JBDUyme+kio9EutSx5WrTylPzCek9ajNoEUvlmBX8Dz+qG66vFfcff+bo2
Ixm/I9aL4lNQiCmE5E044L00IX802hE9iSdYqFbUmefKqk9NWK3CPtDoobcFLi6u
WrW4JMzLaGDtoHxRNNfo8E7fGkQ=
-----END CERTIFICATE-----
`
)
func makeTestCertFile(t *testing.T, pem, dir string) *os.File {
file, err := os.CreateTemp(dir, "test-certfile")
assert.NoError(t, err)
_, err = file.Write([]byte(pem))
assert.NoError(t, err)
return file
}
func TestGetCertPool_NoRoots(t *testing.T) {
_, err := GetCertPool([]string(nil), false)
assert.Error(t, err, "invalid empty list of Root CAs file paths")
}
func TestGetCertPool(t *testing.T) {
tempDir, err := os.MkdirTemp("", "certtest")
assert.NoError(t, err)
defer func(path string) {
rerr := os.RemoveAll(path)
if rerr != nil {
panic(rerr)
}
}(tempDir)
rootPool, _ := x509.SystemCertPool()
cleanPool := x509.NewCertPool()
tests := []struct {
appendCerts bool
pool *x509.CertPool
}{
{false, cleanPool},
{true, rootPool},
}
certFile1 := makeTestCertFile(t, root1Cert, tempDir)
certFile2 := makeTestCertFile(t, root2Cert, tempDir)
for _, tc := range tests {
// Append certs to "known" pool so we can compare them
assert.True(t, tc.pool.AppendCertsFromPEM([]byte(root1Cert)))
assert.True(t, tc.pool.AppendCertsFromPEM([]byte(root2Cert)))
certPool, err := GetCertPool([]string{certFile1.Name(), certFile2.Name()}, tc.appendCerts)
assert.NoError(t, err)
assert.True(t, tc.pool.Equal(certPool))
cert1Block, _ := pem.Decode([]byte(cert1Cert))
cert1, _ := x509.ParseCertificate(cert1Block.Bytes)
assert.Equal(t, cert1.Subject.String(), cert1CertSubj)
cert2Block, _ := pem.Decode([]byte(cert2Cert))
cert2, _ := x509.ParseCertificate(cert2Block.Bytes)
assert.Equal(t, cert2.Subject.String(), cert2CertSubj)
cert3Block, _ := pem.Decode([]byte(cert3Cert))
cert3, _ := x509.ParseCertificate(cert3Block.Bytes)
assert.Equal(t, cert3.Subject.String(), cert3CertSubj)
opts := x509.VerifyOptions{
Roots: certPool,
}
// "cert1" and "cert2" should be valid because "root1" and "root2" are in the certPool
// "cert3" should not be valid because "root3" is not in the certPool
_, err1 := cert1.Verify(opts)
assert.NoError(t, err1)
_, err2 := cert2.Verify(opts)
assert.NoError(t, err2)
_, err3 := cert3.Verify(opts)
assert.Error(t, err3)
}
}
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