| 1 | package mail |
| 2 | |
| 3 | import ( |
| 4 | "slices" |
| 5 | "strings" |
| 6 | "testing" |
| 7 | "time" |
| 8 | |
| 9 | "github.com/carlosframework/platform/internal/release" |
| 10 | ) |
| 11 | |
| 12 | func planApps(t *testing.T, s release.Store, acct string, p claimMailPlan) []string { |
| 13 | t.Helper() |
| 14 | apps, err := p.resolve(t.Context(), s, acct) |
| 15 | if err != nil { |
| 16 | t.Fatal(err) |
| 17 | } |
| 18 | var out []string |
| 19 | for _, a := range apps { |
| 20 | if a.Account != acct { |
| 21 | t.Fatalf("plan crossed accounts: %+v", a) |
| 22 | } |
| 23 | out = append(out, a.App) |
| 24 | } |
| 25 | return out |
| 26 | } |
| 27 | |
| 28 | // The preflighted set is persisted members, the account claim's app and the |
| 29 | // proposed member, before any SES, DNS or store call. A claim held by |
| 30 | // another account adds nothing (the walk refuses or lapses it). |
| 31 | func TestClaimMailPlanIncludesClaimApp(t *testing.T) { |
| 32 | s := release.NewDirStore(t.TempDir()) |
| 33 | ctx := t.Context() |
| 34 | now := time.Date(2026, 10, 7, 12, 0, 0, 0, time.UTC) |
| 35 | |
| 36 | // Fresh domain: only the proposed member. |
| 37 | if got := planApps(t, s, "bab", claimMailPlan{Apps: []string{"second"}, Domain: "shared.com"}); !slices.Equal(got, []string{"second"}) { |
| 38 | t.Fatalf("fresh: %v", got) |
| 39 | } |
| 40 | // First claimer's walk failed before its record: a sibling's re-run |
| 41 | // admits the claim's app too, so the claim stamp is never refused |
| 42 | // halfway through the walk. |
| 43 | if err := claimDomain(ctx, s, "shared.com", "bab", "first", now); err != nil { |
| 44 | t.Fatal(err) |
| 45 | } |
| 46 | if got := planApps(t, s, "bab", claimMailPlan{Apps: []string{"second"}, Domain: "shared.com"}); !slices.Equal(got, []string{"first", "second"}) { |
| 47 | t.Fatalf("claim app: %v", got) |
| 48 | } |
| 49 | // Record members join. |
| 50 | if _, err := PutDomain(ctx, s, "bab", &DomainRecord{Domain: "shared.com", Apps: []string{"third"}, Regions: map[string]*RegionState{}}, ""); err != nil { |
| 51 | t.Fatal(err) |
| 52 | } |
| 53 | if got := planApps(t, s, "bab", claimMailPlan{Apps: []string{"second"}, Domain: "shared.com"}); !slices.Equal(got, []string{"first", "second", "third"}) { |
| 54 | t.Fatalf("record members: %v", got) |
| 55 | } |
| 56 | // AppDomains (Teardown) covers the claim app of every referred domain. |
| 57 | if got := planApps(t, s, "bab", claimMailPlan{Apps: []string{"third"}, AppDomains: "third"}); !slices.Equal(got, []string{"first", "third"}) { |
| 58 | t.Fatalf("teardown: %v", got) |
| 59 | } |
| 60 | // Another account's claim adds nothing to this account's plan. |
| 61 | if err := claimDomain(ctx, s, "other.com", "zed", "web", now); err != nil { |
| 62 | t.Fatal(err) |
| 63 | } |
| 64 | if got := planApps(t, s, "bab", claimMailPlan{Apps: []string{"second"}, Domain: "other.com"}); !slices.Equal(got, []string{"second"}) { |
| 65 | t.Fatalf("foreign claim: %v", got) |
| 66 | } |
| 67 | // An invalid domain never becomes a key. |
| 68 | if _, err := (claimMailPlan{Apps: []string{"x"}, Domain: "../evil"}).resolve(ctx, s, "bab"); err == nil { |
| 69 | t.Fatal("invalid domain resolved") |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | func TestSenderOwnsUserNameForwardOnly(t *testing.T) { |
| 74 | for _, c := range []struct { |
| 75 | acct, app, id, user string |
| 76 | want bool |
| 77 | }{ |
| 78 | {"bab", "shop", SenderAppID, UserName("bab", "shop"), true}, |
| 79 | {"bab", "shop", SenderAppID, StandaloneUserName("bab", "shop", "laptop"), true}, |
| 80 | {"bab", "shop", SenderAppID, UserName("bab", "shop-eu"), false}, |
| 81 | {"bab", "shop", SenderAppID, StandaloneUserName("bab", "shop-eu", "laptop"), false}, |
| 82 | {"bab", "shop-eu", SenderAppID, StandaloneUserName("bab", "shop", "eu"), false}, |
| 83 | {"bab", "shop", SenderAppID, StandaloneUserName("bab", "shop", ""), false}, |
| 84 | {"bab", "shop", SenderAppID, StandaloneUserName("bab", "shop", "a+s+b"), false}, |
| 85 | {"bab", "shop", SenderAppID, StandaloneUserName("zed", "shop", "laptop"), false}, |
| 86 | } { |
| 87 | if got := SenderOwnsUserName(c.acct, c.app, c.id, c.user); got != c.want { |
| 88 | t.Errorf("SenderOwnsUserName(%s, %s, %s, %s) = %v", c.acct, c.app, c.id, c.user, got) |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | // A slugged sender owns its rendered names for any salt, and nothing |
| 93 | // outside its own prefix. |
| 94 | for _, salt := range []string{"", "0a1b2c3d"} { |
| 95 | n, err := SenderNames("bab", "shop", "web1.example.com", salt) |
| 96 | if err != nil { |
| 97 | t.Fatal(err) |
| 98 | } |
| 99 | if !SenderOwnsUserName("bab", "shop", "web1.example.com", n.IAMUser) { |
| 100 | t.Fatalf("own slugged user %s", n.IAMUser) |
| 101 | } |
| 102 | sa, err := n.StandaloneUser("bab", "shop", "ci") |
| 103 | if err != nil { |
| 104 | t.Fatal(err) |
| 105 | } |
| 106 | if !SenderOwnsUserName("bab", "shop", "web1.example.com", sa) { |
| 107 | t.Fatalf("own slugged standalone %s", sa) |
| 108 | } |
| 109 | if SenderOwnsUserName("bab", "shop", "web1.example.com", strings.Replace(n.IAMUser, "-bab-", "-zed-", 1)) { |
| 110 | t.Fatal("another account's slugged name") |
| 111 | } |
| 112 | if SenderOwnsUserName("bab", "shop", "web1.example.com", n.IAMUser+"x") { |
| 113 | t.Fatal("over-long slug") |
| 114 | } |
| 115 | if SenderOwnsUserName("bab", "shop", SenderAppID, n.IAMUser) { |
| 116 | t.Fatal("the app sender owns a slugged name") |
| 117 | } |
| 118 | } |
| 119 | } |
| 120 | |