| 1 | package discovery |
| 2 | |
| 3 | import ( |
| 4 | "testing" |
| 5 | "time" |
| 6 | |
| 7 | "github.com/gosuda/portal-tunnel/v2/portal/auth" |
| 8 | "github.com/gosuda/portal-tunnel/v2/portal/identity" |
| 9 | "github.com/gosuda/portal-tunnel/v2/types" |
| 10 | ) |
| 11 | |
| 12 | func mustSigningIdentity(t *testing.T) types.Identity { |
| 13 | t.Helper() |
| 14 | signingIdentity, err := identity.ResolveSecp256k1Identity("") |
| 15 | if err != nil { |
| 16 | t.Fatalf("identity.ResolveSecp256k1Identity() error = %v", err) |
| 17 | } |
| 18 | return signingIdentity |
| 19 | } |
| 20 | |
| 21 | func mustUnsignedDescriptor(t *testing.T, signing types.Identity, relayURL string) types.RelayDescriptor { |
| 22 | t.Helper() |
| 23 | now := time.Now().UTC().Truncate(time.Microsecond) |
| 24 | return types.RelayDescriptor{ |
| 25 | Address: signing.Address, |
| 26 | Version: types.DiscoveryVersion, |
| 27 | IssuedAt: now, |
| 28 | ExpiresAt: now.Add(time.Hour), |
| 29 | APIHTTPSAddr: relayURL, |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | func mustSignedDescriptor(t *testing.T, signing types.Identity, relayURL string, issuedAt time.Time) types.RelayDescriptor { |
| 34 | t.Helper() |
| 35 | authority, err := identity.NewLocalAuthority(signing) |
| 36 | if err != nil { |
| 37 | t.Fatalf("identity.NewLocalAuthority() error = %v", err) |
| 38 | } |
| 39 | signed, err := auth.SignRelayDescriptor(types.RelayDescriptor{ |
| 40 | Address: signing.Address, |
| 41 | Version: types.DiscoveryVersion, |
| 42 | IssuedAt: issuedAt, |
| 43 | ExpiresAt: issuedAt.Add(DiscoveryDescriptorTTL), |
| 44 | APIHTTPSAddr: relayURL, |
| 45 | }, authority) |
| 46 | if err != nil { |
| 47 | t.Fatalf("SignRelayDescriptor() error = %v", err) |
| 48 | } |
| 49 | return signed |
| 50 | } |
| 51 | |
| 52 | func TestInsertAnnouncedAcceptsValidDescriptor(t *testing.T) { |
| 53 | set := NewRelaySet(nil) |
| 54 | signing := mustSigningIdentity(t) |
| 55 | now := time.Now().UTC().Truncate(time.Microsecond) |
| 56 | desc := mustSignedDescriptor(t, signing, "https://relay-ann.example", now) |
| 57 | if err := set.InsertAnnounced(desc, now); err != nil { |
| 58 | t.Fatalf("InsertAnnounced() error = %v", err) |
| 59 | } |
| 60 | if got := relayStates(set); len(got) != 1 { |
| 61 | t.Fatalf("len(relayStates()) = %d, want 1", len(got)) |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | func TestInsertAnnouncedRejectsUnsigned(t *testing.T) { |
| 66 | set := NewRelaySet(nil) |
| 67 | signing := mustSigningIdentity(t) |
| 68 | now := time.Now().UTC().Truncate(time.Microsecond) |
| 69 | desc := mustUnsignedDescriptor(t, signing, "https://relay-unsigned.example") |
| 70 | if err := set.InsertAnnounced(desc, now); err == nil { |
| 71 | t.Fatal("expected unsigned reject") |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | func TestInsertAnnouncedIgnoresSupersededRollback(t *testing.T) { |
| 76 | set := NewRelaySet(nil) |
| 77 | signing := mustSigningIdentity(t) |
| 78 | now := time.Now().UTC().Truncate(time.Microsecond) |
| 79 | relayURL := "https://relay-roll.example" |
| 80 | newer := mustSignedDescriptor(t, signing, relayURL, now) |
| 81 | if err := set.InsertAnnounced(newer, now); err != nil { |
| 82 | t.Fatalf("seed insert error = %v", err) |
| 83 | } |
| 84 | older := mustSignedDescriptor(t, signing, relayURL, now.Add(-time.Minute)) |
| 85 | if err := set.InsertAnnounced(older, now); err != nil { |
| 86 | t.Fatalf("superseded insert error = %v", err) |
| 87 | } |
| 88 | |
| 89 | states := relayStates(set) |
| 90 | if len(states) != 1 { |
| 91 | t.Fatalf("len(relayStates()) = %d, want 1", len(states)) |
| 92 | } |
| 93 | if got := states[0].Descriptor.IssuedAt; !got.Equal(newer.IssuedAt) { |
| 94 | t.Fatalf("stored issued_at = %v, want %v", got, newer.IssuedAt) |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | func TestInsertAnnouncedRejectsRollbackAcrossRelayURL(t *testing.T) { |
| 99 | set := NewRelaySet(nil) |
| 100 | signing := mustSigningIdentity(t) |
| 101 | now := time.Now().UTC().Truncate(time.Microsecond) |
| 102 | newer := mustSignedDescriptor(t, signing, "https://relay-roll-new.example", now) |
| 103 | if err := set.InsertAnnounced(newer, now); err != nil { |
| 104 | t.Fatalf("seed insert error = %v", err) |
| 105 | } |
| 106 | older := mustSignedDescriptor(t, signing, "https://relay-roll-old.example", now.Add(-time.Minute)) |
| 107 | if err := set.InsertAnnounced(older, now); err == nil { |
| 108 | t.Fatal("expected rollback reject") |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | func TestInsertAnnouncedBlocksCrossIdentityTakeover(t *testing.T) { |
| 113 | set := NewRelaySet(nil) |
| 114 | owner := mustSigningIdentity(t) |
| 115 | attacker := mustSigningIdentity(t) |
| 116 | now := time.Now().UTC().Truncate(time.Microsecond) |
| 117 | relayURL := "https://relay-takeover.example" |
| 118 | |
| 119 | ownerDesc := mustSignedDescriptor(t, owner, relayURL, now) |
| 120 | if err := set.InsertAnnounced(ownerDesc, now); err != nil { |
| 121 | t.Fatalf("owner insert error = %v", err) |
| 122 | } |
| 123 | |
| 124 | attackerDesc := mustSignedDescriptor(t, attacker, relayURL, now.Add(time.Second)) |
| 125 | if err := set.InsertAnnounced(attackerDesc, now); err == nil { |
| 126 | t.Fatal("expected takeover reject") |
| 127 | } |
| 128 | |
| 129 | states := relayStates(set) |
| 130 | if len(states) != 1 { |
| 131 | t.Fatalf("len(relayStates()) = %d, want 1", len(states)) |
| 132 | } |
| 133 | if got := states[0].Descriptor.Address; got != owner.Address { |
| 134 | t.Fatalf("retained address = %q, want %q", got, owner.Address) |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | func TestAnnounceLimiterAllowsBurstThenThrottles(t *testing.T) { |
| 139 | limiter := NewAnnounceLimiter(60, 5) // 1/sec sustained, burst 5 |
| 140 | for i := range 5 { |
| 141 | if !limiter.Allow("10.0.0.1") { |
| 142 | t.Fatalf("burst[%d] should be allowed", i) |
| 143 | } |
| 144 | } |
| 145 | if limiter.Allow("10.0.0.1") { |
| 146 | t.Fatal("burst budget should be exhausted") |
| 147 | } |
| 148 | if !limiter.Allow("10.0.0.2") { |
| 149 | t.Fatal("different IP should have its own bucket") |
| 150 | } |
| 151 | } |