198 lines
6.5 KiB
Go
198 lines
6.5 KiB
Go
/*
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Copyright 2020 The Flux authors
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 libgit2
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import (
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"encoding/base64"
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"reflect"
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"testing"
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git2go "github.com/libgit2/git2go/v31"
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corev1 "k8s.io/api/core/v1"
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"github.com/fluxcd/source-controller/pkg/git"
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)
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const (
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// secretKeyFixture is a randomly generated password less
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// 512bit RSA private key.
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secretKeyFixture string = `-----BEGIN RSA PRIVATE KEY-----
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MIICXAIBAAKBgQCrakELAKxozvwJijQEggYlTvS1QTZx1DaBwOhW/4kRSuR21plu
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xuQeyuUiztoWeb9jgW7wjzG4j1PIJjdbsgjPIcIZ4PBY7JeEW+QRopfwuN8MHXNp
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uTLgIHbkmhoOg5qBEcjzO/lEOOPpV0EmbObgqv3+wRmLJrgfzWl/cTtRewIDAQAB
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AoGAawKFImpEN5Xn78iwWpQVZBsbV0AjzgHuGSiloxIZrorzf2DPHkHZzYNaclVx
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/o/4tBTsfg7WumH3qr541qyZJDgU7iRMABwmx0v1vm2wQiX7NJzLzH2E9vlMC3mw
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d8S99g9EqRuNH98XX8su34B9WGRPqiKvEm0RW8Hideo2/KkCQQDbs6rHcriKQyPB
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paidHZAfguu0eVbyHT2EgLgRboWE+tEAqFEW2ycqNL3VPz9fRvwexbB6rpOcPpQJ
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DEL4XB2XAkEAx7xJz8YlCQ2H38xggK8R8EUXF9Zhb0fqMJHMNmao1HCHVMtbsa8I
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jR2EGyQ4CaIqNG5tdWukXQSJrPYDRWNvvQJAZX3rP7XUYDLB2twvN12HzbbKMhX3
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v2MYnxRjc9INpi/Dyzz2MMvOnOW+aDuOh/If2AtVCmeJUx1pf4CFk3viQwJBAKyC
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t824+evjv+NQBlme3AOF6PgxtV4D4wWoJ5Uk/dTejER0j/Hbl6sqPxuiILRRV9qJ
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Ngkgu4mLjc3RfenEhJECQAx8zjWUE6kHHPGAd9DfiAIQ4bChqnyS0Nwb9+Gd4hSE
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P0Ah10mHiK/M0o3T8Eanwum0gbQHPnOwqZgsPkwXRqQ=
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-----END RSA PRIVATE KEY-----`
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// knownHostsFixture is known_hosts fixture in the expected
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// format.
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knownHostsFixture string = `github.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==`
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)
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var (
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basicAuthSecretFixture = corev1.Secret{
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Data: map[string][]byte{
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"username": []byte("git"),
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"password": []byte("password"),
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},
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}
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privateKeySecretFixture = corev1.Secret{
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Data: map[string][]byte{
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"identity": []byte(secretKeyFixture),
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"known_hosts": []byte(knownHostsFixture),
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},
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}
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)
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func TestAuthSecretStrategyForURL(t *testing.T) {
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tests := []struct {
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name string
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url string
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want git.AuthSecretStrategy
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wantErr bool
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}{
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{"HTTP", "http://git.example.com/org/repo.git", &BasicAuth{}, false},
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{"HTTPS", "https://git.example.com/org/repo.git", &BasicAuth{}, false},
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{"SSH", "ssh://git.example.com:2222/org/repo.git", &PublicKeyAuth{host: "git.example.com:2222"}, false},
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{"SSH with username", "ssh://example@git.example.com:2222/org/repo.git", &PublicKeyAuth{user: "example", host: "git.example.com:2222"}, false},
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{"unsupported", "protocol://example.com", nil, true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got, err := AuthSecretStrategyForURL(tt.url)
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if (err != nil) != tt.wantErr {
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t.Errorf("AuthSecretStrategyForURL() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if !reflect.DeepEqual(got, tt.want) {
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t.Errorf("AuthSecretStrategyForURL() got = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestBasicAuthStrategy_Method(t *testing.T) {
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tests := []struct {
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name string
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secret corev1.Secret
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modify func(secret *corev1.Secret)
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wantErr bool
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}{
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{"with username and password", basicAuthSecretFixture, nil, false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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secret := tt.secret.DeepCopy()
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if tt.modify != nil {
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tt.modify(secret)
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}
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s := &BasicAuth{}
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_, err := s.Method(*secret)
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if (err != nil) != tt.wantErr {
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t.Errorf("Method() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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})
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}
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}
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func TestPublicKeyStrategy_Method(t *testing.T) {
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tests := []struct {
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name string
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secret corev1.Secret
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modify func(secret *corev1.Secret)
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wantErr bool
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}{
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{"private key and known_hosts", privateKeySecretFixture, nil, false},
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{"missing private key", privateKeySecretFixture, func(s *corev1.Secret) { delete(s.Data, "identity") }, true},
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{"invalid private key", privateKeySecretFixture, func(s *corev1.Secret) { s.Data["identity"] = []byte(`-----BEGIN RSA PRIVATE KEY-----`) }, true},
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{"missing known_hosts", privateKeySecretFixture, func(s *corev1.Secret) { delete(s.Data, "known_hosts") }, true},
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{"invalid known_hosts", privateKeySecretFixture, func(s *corev1.Secret) { s.Data["known_hosts"] = []byte(`invalid`) }, true},
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{"empty", corev1.Secret{}, nil, true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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secret := tt.secret.DeepCopy()
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if tt.modify != nil {
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tt.modify(secret)
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}
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s := &PublicKeyAuth{}
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_, err := s.Method(*secret)
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if (err != nil) != tt.wantErr {
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t.Errorf("Method() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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})
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}
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}
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func TestKnownKeyHash(t *testing.T) {
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tests := []struct {
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name string
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hostkey git2go.HostkeyCertificate
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wantMatches bool
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}{
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{"good sha256 hostkey", git2go.HostkeyCertificate{Kind: git2go.HostkeySHA256, HashSHA256: sha256Fingerprint("nThbg6kXUpJWGl7E1IGOCspRomTxdCARLviKw6E5SY8")}, true},
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{"bad sha256 hostkey", git2go.HostkeyCertificate{Kind: git2go.HostkeySHA256, HashSHA256: sha256Fingerprint("ROQFvPThGrW4RuWLoL9tq9I9zJ42fK4XywyRtbOz/EQ")}, false},
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{"good sha1 hostkey", git2go.HostkeyCertificate{Kind: git2go.HostkeySHA1, HashSHA1: sha1Fingerprint("v2toJdKXfFEaR1u++4iq1UqSrHM")}, true},
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{"invalid hostkey", git2go.HostkeyCertificate{}, false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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knownKeys, err := parseKnownHosts(knownHostsFixture)
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if err != nil {
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t.Error(err)
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return
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}
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matches := knownKeys[0].matches("github.com", tt.hostkey)
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if matches != tt.wantMatches {
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t.Errorf("Method() matches = %v, wantMatches %v", matches, tt.wantMatches)
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return
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}
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})
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}
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}
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func sha1Fingerprint(in string) [20]byte {
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d, err := base64.RawStdEncoding.DecodeString(in)
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if err != nil {
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panic(err)
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}
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var out [20]byte
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copy(out[:], d)
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return out
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}
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func sha256Fingerprint(in string) [32]byte {
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d, err := base64.RawStdEncoding.DecodeString(in)
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if err != nil {
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panic(err)
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}
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var out [32]byte
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copy(out[:], d)
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return out
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}
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