63 lines
2.5 KiB
Go
63 lines
2.5 KiB
Go
//go:build integration
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package link
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import (
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"context"
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"crypto/ed25519"
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"encoding/json"
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"strings"
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"testing"
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"time"
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"github.com/nats-io/nats.go"
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"github.com/novox/mesh-controller/internal/broker"
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"github.com/novox/mesh-controller/internal/testbus"
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)
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// A judgement of a machine's directories is asked of the machine on its own subject, signed under its own context
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// (never a hand-over's), naming no path, and the engine's answer comes back (novox/hq issue 358). The engine holds the
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// same subject and context (mesh-host internal/link, TestTheDirectoryJudgementAskKeepsItsSubjectAndContext).
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func TestADirectoryJudgementIsAskedOfTheMachineSignedUnderItsOwnContext(t *testing.T) {
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if broker.AskJudgeDirectoriesSubject("laptop") != "mesh.node.laptop.ask.judge-directories" ||
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JudgeDirectoriesContext != "novox-mesh judge-directories v1\n" {
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t.Fatalf("the subject %q, the context %q", broker.AskJudgeDirectoriesSubject("laptop"), JudgeDirectoriesContext)
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}
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conn, err := nats.Connect(testbus.URL(t))
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if err != nil {
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t.Fatal(err)
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}
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t.Cleanup(conn.Close)
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signer, public := testSigner(t)
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var heard HandOverAsk
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engine, err := conn.Subscribe(broker.AskJudgeDirectoriesSubject("laptop"), func(msg *nats.Msg) {
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var signed SignedHandOver
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_ = json.Unmarshal(msg.Data, &signed)
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if ed25519.Verify(public, append([]byte(HandOverContext), signed.Ask...), signed.Signature) ||
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ed25519.Verify(public, append([]byte(SetuidSearchContext), signed.Ask...), signed.Signature) ||
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!ed25519.Verify(public, append([]byte(JudgeDirectoriesContext), signed.Ask...), signed.Signature) {
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_ = msg.Respond([]byte(`{"refused":"not signed as a judgement"}`))
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return
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}
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_ = json.Unmarshal(signed.Ask, &heard)
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body, _ := json.Marshal(HandOverAnswer{Said: "3 directories declared, asked by " + heard.By})
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_ = msg.Respond(body)
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})
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if err != nil {
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t.Fatal(err)
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}
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t.Cleanup(func() { _ = engine.Unsubscribe() })
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a, err := AskJudgeDirectories(context.Background(), conn, signer, "laptop", "jo", 5*time.Second)
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if err != nil || a.Said != "3 directories declared, asked by jo" {
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t.Fatalf("answered %+v, %v", a, err)
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}
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if heard.Node != "laptop" || heard.Path != "" || heard.Nonce == "" || heard.Expires.IsZero() {
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t.Fatalf("the engine heard %+v", heard)
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}
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if _, err := AskJudgeDirectories(context.Background(), conn, signer, "anchor", "jo", 5*time.Second); err == nil ||
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!strings.Contains(err.Error(), "nothing was judged") {
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t.Fatalf("a machine with no engine listening: %v", err)
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}
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}
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