fix(capture): name what escalated the classification in an I1 refusal (#91 part 1) #95

Merged
mathias merged 1 commits from fix/capture-i1-refusal-names-target into main 2026-08-18 18:13:48 +00:00
2 changed files with 147 additions and 9 deletions
+42 -8
View File
@@ -83,7 +83,7 @@ func (s *Service) Capture(ctx context.Context, in CaptureInput) (CaptureReceipt,
declared, _ = classification.ParseLevel(in.Context.Classification)
}
effective, securityEvents := s.resolveClassification(declared, in)
effective, securityEvents, escalators := s.resolveClassification(declared, in)
// Server-derived origin governs the I1 gate; a caller-asserted harness
// label that names a different zone is descriptive-only and logged as a
@@ -107,8 +107,8 @@ func (s *Service) Capture(ctx context.Context, in CaptureInput) (CaptureReceipt,
Items: nil, // refused before any write
SecurityEvents: append(securityEvents, "I1 refusal: confidential capture via us-nexus origin"),
}, AuditCentral)
return CaptureReceipt{}, fmt.Errorf("%w: effective classification confidential through %s origin",
ErrSovereigntyRefused, in.Context.Origin)
return CaptureReceipt{}, fmt.Errorf("%w: effective classification confidential through %s origin (%s)",
ErrSovereigntyRefused, in.Context.Origin, escalationReason(escalators))
}
receipt := CaptureReceipt{
@@ -221,15 +221,28 @@ func (s *Service) validate(in CaptureInput) error {
return nil
}
// resolveClassification computes the effective level (stricter of
// declared and every target's derived level) and collects a security
// event whenever the caller under-declared relative to a target floor.
func (s *Service) resolveClassification(declared classification.Level, in CaptureInput) (classification.Level, []string) {
// resolveClassification computes the effective level (stricter of declared
// and every target's derived level), collects a security event whenever the
// caller under-declared relative to a target floor, and names the targets
// that carry the strictest level.
//
// That third return is what makes an I1 refusal actionable. A caller sending
// twenty tickets gets one refusal; without the offending target it cannot
// tell which repo tripped the gate, and infra#265 shows what happens next —
// the caller concluded the tickets ARRAY was broken, built a fallback of
// twenty individual calls, and filed a bug against the wrong thing.
func (s *Service) resolveClassification(declared classification.Level, in CaptureInput) (classification.Level, []string, []string) {
effective := declared
var events []string
derivedFor := map[string]classification.Level{}
var order []string
consider := func(kind classification.TargetKind, name string) {
derived := s.policy.Derive(classification.Target{Kind: kind, Name: name})
effective = classification.Stricter(effective, derived)
if _, seen := derivedFor[name]; !seen {
derivedFor[name] = derived
order = append(order, name)
}
if declared < derived {
events = append(events, fmt.Sprintf("classification under-declared: declared=%s target=%s(%s) derived=%s",
declared, name, kindString(kind), derived))
@@ -241,7 +254,28 @@ func (s *Service) resolveClassification(declared classification.Level, in Captur
for _, tk := range in.Tickets {
consider(classification.RepoTarget, tk.Repo)
}
return effective, events
// Only targets that actually reach the effective level are named: at
// twenty tickets, listing the innocent ones is noise that hides the one
// that matters.
var escalators []string
for _, name := range order {
if derivedFor[name] == effective && effective > declared {
escalators = append(escalators, name)
}
}
return effective, events, escalators
}
// escalationReason renders why the effective classification landed where it
// did, for an operator reading a refusal. Naming the caller's own declaration
// matters as much as naming a target: "you asked for this" and "a repo you
// touched required it" call for different fixes.
func escalationReason(escalators []string) string {
if len(escalators) == 0 {
return "declared by the caller; no target required it"
}
return "required by: " + strings.Join(escalators, ", ")
}
func (s *Service) persistInsight(ctx context.Context, ins Insight) (InsightResult, string, error) {
+105 -1
View File
@@ -3,6 +3,7 @@ package capture
import (
"context"
"errors"
"fmt"
"strings"
"testing"
"time"
@@ -59,12 +60,18 @@ type fakeTracker struct {
closed []int
comments []int
err error
// failOnTitle makes CreateIssue fail for one specific title, so a
// partial-failure receipt can be exercised without failing every item.
failOnTitle string
}
func (f *fakeTracker) CreateIssue(_ context.Context, repo, title, _ string) (IssueRef, error) {
if f.err != nil {
return IssueRef{}, f.err
}
if f.failOnTitle != "" && title == f.failOnTitle {
return IssueRef{}, errors.New("tracker refused this one")
}
f.created = append(f.created, repo+":"+title)
return IssueRef{Repo: repo, Number: 100 + len(f.created), URL: "https://git/" + repo + "/issues/x"}, nil
}
@@ -87,7 +94,9 @@ func (f *fakeTracker) CommentIssue(_ context.Context, repo string, number int, _
// fakePolicy derives from an explicit map; default Internal so tests pin
// behaviour without depending on the real defaulting.
type fakePolicy struct{ tags map[string]classification.Level }
type fakePolicy struct {
tags map[string]classification.Level
}
func (p fakePolicy) Derive(t classification.Target) classification.Level {
if lvl, ok := p.tags[t.Name]; ok {
@@ -434,3 +443,98 @@ func TestCaptureDryRunSkipsAuditGate(t *testing.T) {
assert.True(t, rec.DryRun)
assert.Empty(t, au.entries)
}
// ---- hyperguild#91 part 1 -------------------------------------------------
//
// The reported symptom was "capture with a tickets array fails" (infra#265:
// 20 tickets errored, 5 errored, caller fell back to 20 individual
// issue_create calls). The array was never the failing dimension — every
// ticket targeted a client repo, and the I1 gate refuses that through a
// us-nexus origin at ANY length. The refusal did not say which target
// escalated the classification, so it read as a malfunction.
func TestCapture_TicketsArrayWorksAtLengthOne(t *testing.T) {
b, tr, au := &fakeBrain{}, &fakeTracker{}, &fakeAudit{}
svc := newSvc(b, tr, fakePolicy{}, au)
rec, err := svc.Capture(context.Background(), CaptureInput{
Context: baseCtx(),
Tickets: []Ticket{{Repo: "hyperguild", Action: "create", Title: "one", Body: "b"}},
})
require.NoError(t, err)
require.Len(t, rec.Tickets, 1)
assert.True(t, rec.Tickets[0].OK)
assert.Len(t, tr.created, 1)
assert.Empty(t, rec.Errors)
}
func TestCapture_TicketsArrayWorksAtLengthMany(t *testing.T) {
b, tr, au := &fakeBrain{}, &fakeTracker{}, &fakeAudit{}
svc := newSvc(b, tr, fakePolicy{}, au)
in := CaptureInput{Context: baseCtx()}
for i := range 20 {
in.Tickets = append(in.Tickets, Ticket{
Repo: "hyperguild", Action: "create", Title: fmt.Sprintf("t%02d", i), Body: "b",
})
}
rec, err := svc.Capture(context.Background(), in)
require.NoError(t, err)
require.Len(t, rec.Tickets, 20, "one receipt entry per ticket")
for i, r := range rec.Tickets {
assert.True(t, r.OK, "ticket %d failed: %+v", i, rec.Errors)
}
assert.Len(t, tr.created, 20)
assert.Empty(t, rec.Errors)
}
func TestCapture_OneFailingTicketDoesNotSinkTheRest(t *testing.T) {
// infra#265 asked explicitly: "if ticket 3 of 5 fails, what happened to
// 1 and 2?" They land, and the receipt says so per item.
b, au := &fakeBrain{}, &fakeAudit{}
tr := &fakeTracker{failOnTitle: "boom"}
svc := newSvc(b, tr, fakePolicy{}, au)
rec, err := svc.Capture(context.Background(), CaptureInput{
Context: baseCtx(),
Tickets: []Ticket{
{Repo: "hyperguild", Action: "create", Title: "ok-1", Body: "b"},
{Repo: "hyperguild", Action: "create", Title: "boom", Body: "b"},
{Repo: "hyperguild", Action: "create", Title: "ok-3", Body: "b"},
},
})
require.NoError(t, err, "a per-item failure is a partial receipt, not a call error")
require.Len(t, rec.Tickets, 3)
assert.True(t, rec.Tickets[0].OK)
assert.False(t, rec.Tickets[1].OK)
assert.True(t, rec.Tickets[2].OK)
require.Len(t, rec.Errors, 1)
assert.Contains(t, rec.Errors[0].Item, "ticket[1]")
}
func TestCapture_I1RefusalNamesWhatEscalatedTheClassification(t *testing.T) {
// The actual defect behind infra#265. Without the offending target in
// the message, a caller with 20 tickets cannot tell which repo tripped
// the gate — and reasonably concludes the array itself is broken.
b, tr, au := &fakeBrain{}, &fakeTracker{}, &fakeAudit{}
pol := fakePolicy{tags: map[string]classification.Level{"trucker-ecommerce": classification.Confidential}}
svc := newSvc(b, tr, pol, au)
ctx := baseCtx()
ctx.Origin = ZoneUSNexus
_, err := svc.Capture(context.Background(), CaptureInput{
Context: ctx,
Tickets: []Ticket{
{Repo: "hyperguild", Action: "create", Title: "fine", Body: "b"},
{Repo: "trucker-ecommerce", Action: "create", Title: "client work", Body: "b"},
},
})
require.ErrorIs(t, err, ErrSovereigntyRefused)
assert.Contains(t, err.Error(), "trucker-ecommerce",
"the refusal must name the target that escalated the classification")
assert.NotContains(t, err.Error(), "hyperguild",
"only the offending target, or the message is noise at 20 tickets")
assert.Empty(t, tr.created, "refused before any write")
}