| 1 | package acme |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "crypto/ecdsa" |
| 6 | "crypto/elliptic" |
| 7 | "crypto/rand" |
| 8 | "crypto/x509" |
| 9 | "crypto/x509/pkix" |
| 10 | "encoding/pem" |
| 11 | "math/big" |
| 12 | "os" |
| 13 | "path/filepath" |
| 14 | "strings" |
| 15 | "testing" |
| 16 | "time" |
| 17 | ) |
| 18 | |
| 19 | func TestEnsureCertificateGeneratesLocalDevelopmentMaterial(t *testing.T) { |
| 20 | t.Parallel() |
| 21 | |
| 22 | keyDir := t.TempDir() |
| 23 | manager, err := NewManager(Config{ |
| 24 | BaseDomain: "localhost", |
| 25 | KeyDir: keyDir, |
| 26 | }) |
| 27 | if err != nil { |
| 28 | t.Fatalf("NewManager() error = %v", err) |
| 29 | } |
| 30 | |
| 31 | certPEM, keyPEM, err := manager.EnsureTLSMaterial(context.Background()) |
| 32 | if err != nil { |
| 33 | t.Fatalf("EnsureTLSMaterial() error = %v", err) |
| 34 | } |
| 35 | if len(certPEM) == 0 || len(keyPEM) == 0 { |
| 36 | t.Fatalf("EnsureTLSMaterial() returned empty PEM material") |
| 37 | } |
| 38 | |
| 39 | certFile, _, err := manager.TLSFiles() |
| 40 | if err != nil { |
| 41 | t.Fatalf("TLSFiles() error = %v", err) |
| 42 | } |
| 43 | covered, err := certCoversDomains(certFile, []string{"localhost"}) |
| 44 | if err != nil { |
| 45 | t.Fatalf("certCoversDomains() error = %v", err) |
| 46 | } |
| 47 | if !covered { |
| 48 | t.Fatal("certCoversDomains() = false, want true") |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | func TestEnsureTLSMaterialUsesManualCertificateWithoutDNSProvider(t *testing.T) { |
| 53 | t.Parallel() |
| 54 | |
| 55 | keyDir := t.TempDir() |
| 56 | if err := writeManualRelayCertificate(t, keyDir, "portal.example.com"); err != nil { |
| 57 | t.Fatalf("writeManualRelayCertificate() error = %v", err) |
| 58 | } |
| 59 | |
| 60 | manager, err := NewManager(Config{ |
| 61 | BaseDomain: "portal.example.com", |
| 62 | KeyDir: keyDir, |
| 63 | }) |
| 64 | if err != nil { |
| 65 | t.Fatalf("NewManager() error = %v", err) |
| 66 | } |
| 67 | |
| 68 | certPEM, keyPEM, err := manager.EnsureTLSMaterial(context.Background()) |
| 69 | if err != nil { |
| 70 | t.Fatalf("EnsureTLSMaterial() error = %v", err) |
| 71 | } |
| 72 | if len(certPEM) == 0 || len(keyPEM) == 0 { |
| 73 | t.Fatalf("EnsureTLSMaterial() returned empty PEM material") |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | func TestEnsureTLSMaterialRequiresManualCertificateWhenProviderUnset(t *testing.T) { |
| 78 | t.Parallel() |
| 79 | |
| 80 | manager, err := NewManager(Config{ |
| 81 | BaseDomain: "portal.example.com", |
| 82 | KeyDir: t.TempDir(), |
| 83 | }) |
| 84 | if err != nil { |
| 85 | t.Fatalf("NewManager() error = %v", err) |
| 86 | } |
| 87 | |
| 88 | _, _, err = manager.EnsureTLSMaterial(context.Background()) |
| 89 | if err == nil { |
| 90 | t.Fatal("EnsureTLSMaterial() error = nil, want missing manual certificate error") |
| 91 | } |
| 92 | if got := err.Error(); got == "" || !containsAll(got, "manual certificate mode requires", "fullchain.pem", "privatekey.pem") { |
| 93 | t.Fatalf("EnsureTLSMaterial() error = %q, want manual certificate guidance", got) |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | func TestNewManagerRejectsENSGaslessWithoutDNSProvider(t *testing.T) { |
| 98 | t.Parallel() |
| 99 | |
| 100 | _, err := NewManager(Config{ |
| 101 | BaseDomain: "portal.example.com", |
| 102 | KeyDir: t.TempDir(), |
| 103 | ENSGaslessEnabled: true, |
| 104 | ENSGaslessAddress: "0x1234567890123456789012345678901234567890", |
| 105 | }) |
| 106 | if err == nil { |
| 107 | t.Fatal("NewManager() error = nil, want ENS gasless provider error") |
| 108 | } |
| 109 | if got := err.Error(); got != "ens gasless automation requires ACME_DNS_PROVIDER" { |
| 110 | t.Fatalf("NewManager() error = %q, want ENS gasless provider guidance", got) |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | func TestEnsureTLSMaterialUsesManualCertificateWithDNSProvider(t *testing.T) { |
| 115 | t.Parallel() |
| 116 | |
| 117 | keyDir := t.TempDir() |
| 118 | if err := writeManualRelayCertificate(t, keyDir, "portal.example.com"); err != nil { |
| 119 | t.Fatalf("writeManualRelayCertificate() error = %v", err) |
| 120 | } |
| 121 | |
| 122 | manager, err := NewManager(Config{ |
| 123 | BaseDomain: "portal.example.com", |
| 124 | KeyDir: keyDir, |
| 125 | DNSProvider: TypeRoute53, |
| 126 | }) |
| 127 | if err != nil { |
| 128 | t.Fatalf("NewManager() error = %v", err) |
| 129 | } |
| 130 | |
| 131 | certPEM, keyPEM, err := manager.EnsureTLSMaterial(context.Background()) |
| 132 | if err != nil { |
| 133 | t.Fatalf("EnsureTLSMaterial() error = %v", err) |
| 134 | } |
| 135 | if len(certPEM) == 0 || len(keyPEM) == 0 { |
| 136 | t.Fatalf("EnsureTLSMaterial() returned empty PEM material") |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | func writeManualRelayCertificate(t *testing.T, keyDir, baseDomain string) error { |
| 141 | t.Helper() |
| 142 | |
| 143 | privateKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) |
| 144 | if err != nil { |
| 145 | return err |
| 146 | } |
| 147 | |
| 148 | now := time.Now().UTC() |
| 149 | template := &x509.Certificate{ |
| 150 | SerialNumber: big.NewInt(now.UnixNano()), |
| 151 | Subject: pkix.Name{ |
| 152 | CommonName: baseDomain, |
| 153 | }, |
| 154 | NotBefore: now.Add(-time.Hour), |
| 155 | NotAfter: now.Add(90 * 24 * time.Hour), |
| 156 | DNSNames: []string{baseDomain, "*." + baseDomain}, |
| 157 | BasicConstraintsValid: true, |
| 158 | KeyUsage: x509.KeyUsageDigitalSignature | x509.KeyUsageKeyEncipherment, |
| 159 | ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth}, |
| 160 | } |
| 161 | |
| 162 | der, err := x509.CreateCertificate(rand.Reader, template, template, privateKey.Public(), privateKey) |
| 163 | if err != nil { |
| 164 | return err |
| 165 | } |
| 166 | keyDER, err := x509.MarshalECPrivateKey(privateKey) |
| 167 | if err != nil { |
| 168 | return err |
| 169 | } |
| 170 | |
| 171 | certPEM := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: der}) |
| 172 | keyPEM := pem.EncodeToMemory(&pem.Block{Type: "EC PRIVATE KEY", Bytes: keyDER}) |
| 173 | |
| 174 | if err := os.WriteFile(filepath.Join(keyDir, fullChainFileName), certPEM, 0o644); err != nil { |
| 175 | return err |
| 176 | } |
| 177 | return os.WriteFile(filepath.Join(keyDir, keyFileName), keyPEM, 0o600) |
| 178 | } |
| 179 | |
| 180 | func containsAll(text string, parts ...string) bool { |
| 181 | for _, part := range parts { |
| 182 | if !strings.Contains(text, part) { |
| 183 | return false |
| 184 | } |
| 185 | } |
| 186 | return true |
| 187 | } |