Merge pull request 'A settings proposal reads at a glance, its values whole where the sender is proven (issues 383 and 639)' (#304) from fix/383-an-ask-reads-at-a-glance into main

This commit was merged in pull request #304.
This commit is contained in:
2026-10-13 19:22:06 +00:00
10 changed files with 629 additions and 87 deletions
+205 -51
View File
@@ -28,6 +28,13 @@ package main
// ask says so, and the whole is read with `settings proposals <id>` — whose fingerprint must be the one on the
// phone. Fail closed: a proposal nothing can carry to the operator is refused at once, in words, and never left
// waiting for an answer that cannot come.
//
// **On a channel that proves who answers, the values are shown WHOLE** (novox/hq issue 383, the operator's
// decision of 2026-10-10): a mount point, a share name or a private address is the thing being approved and must
// be readable, so the ask carries them whole beside the explanation (asks.Ask.Whole), the router shows that only
// on a kind that verifies its sender, and only a value shaped like a secret is withheld there. The message is the
// headline, one line per key, who proposed it and when; the fingerprint and how to read the proposal whole are
// the Details answer's (asks.Ask.Details). The masking stays for conditions and for channels that prove nothing.
import (
"context"
@@ -156,35 +163,40 @@ func (p settingsProposal) ask(id string, machines []string) (asks.Ask, map[strin
if len([]rune(headline)) > asks.HeadlineLength {
headline = verb + " settings?"
}
shown, whole := p.change(machines)
var b strings.Builder
if p.Clear {
fmt.Fprintf(&b, "Clear the settings of %s on %s, back to what the module says?\n\n", p.Module, p.where())
} else {
fmt.Fprintf(&b, "Set the settings of %s on %s to these values?\n\n", p.Module, p.where())
// The message reads at a glance (issues 383 and 639): a summary of what changes where, then at most three
// points, a key each; every key with its whole value, who proposed it, the fingerprint and how to read it at the
// terminal are its Details, which the router notes after the answers.
shown, shownAll, shownWhole := p.change(machines, false)
whole, wholeAll, _ := p.change(machines, true)
summary := p.summary()
compose := func(points []string) string {
return strings.Join(append([]string{summary}, points...), "\n")
}
fmt.Fprintf(&b, "Proposed by %s, at %s. ", sayable(p.From, machines), p.At.Local().Format("15:04 on 2 Jan"))
switch {
case p.Clear && p.HadLayer:
b.WriteString("The layer it removes:\n\n")
case p.Clear:
b.WriteString("There is no layer to remove; approving changes nothing.")
case !p.HadLayer:
b.WriteString("There is no layer yet; this is the whole of it:\n\n")
default:
b.WriteString("The layer is replaced whole; what changes against it:\n\n")
// The Details: every setting it sets, one line each, uncut — whole where the sender is proven (WholeDetails),
// masked elsewhere — then who proposed it, the fingerprint and how to read it at the terminal.
details := func(lines []string) string {
var d strings.Builder
d.WriteString(strings.Join(lines, "\n") + "\n")
d.WriteString(p.onApprove() + "\n")
fmt.Fprintf(&d, "Proposed by %s at %s. Fingerprint %s.\n", sayable(p.From, machines), p.At.Local().Format("15:04 on 2 Jan"),
fingerprint(p.Digest))
if !shownWhole {
d.WriteString("Where who answers is not proven, its values are shown as ‹address›, ‹path› or ‹withheld›.\n")
}
fmt.Fprintf(&d, "Read it whole, with this fingerprint: settings proposals %s at the controller's terminal, or the "+
"controller's settings verb with proposal %s through the mesh MCP server.", id, id)
return d.String()
}
b.WriteString(shown)
fmt.Fprintf(&b, "\n\nFingerprint %s.", fingerprint(p.Digest))
if !whole {
b.WriteString(" Parts shown as ‹address›, ‹path› or ‹withheld› may not leave the mesh: read it whole, with " +
"this fingerprint, through the mesh MCP server (mesh-controller.settings, proposal " + id + ") or with " +
"mesh-cli settings proposals " + id + ".")
}
b.WriteString(" " + p.onApprove())
q := asks.Ask{ID: id, Headline: headline, Explanation: b.String(), Who: asks.Operator,
q := asks.Ask{ID: id, Headline: headline, Explanation: compose(shown), Who: asks.Operator,
Expires: p.At.Add(askApproveFor), OnExpiry: "the proposal is discarded; nothing changes",
About: p.about()}
About: p.about(), Details: details(shownAll)}
// Only where a value was masked: an ask whose values all pass the content rule shows the same everywhere.
if w := compose(whole); w != q.Explanation {
q.Whole = w
}
if w := details(wholeAll); w != q.Details {
q.WholeDetails = w
}
options := map[string]int{}
for i, act := range p.actions(id) {
binds, _ := asks.ActDigest(boundAct(act))
@@ -203,55 +215,141 @@ func (p settingsProposal) ask(id string, machines []string) (asks.Ask, map[strin
return q, options
}
// shownMost is the most of a change the phone is shown, in bytes; the rest is read whole with `settings proposals`.
const shownMost = 1400
// summary is the proposal's first line, what changes where: how many settings, how many stay, and that Approve sends
// the layer at once by a walk, one machine at a time (novox/hq ADR 0344); the rest of what Approve does
// (onApprove) is the Details'.
func (p settingsProposal) summary() string {
if p.Clear {
if !p.HadLayer {
return "There is no layer to remove; approving changes nothing."
}
return fmt.Sprintf("Removes the %d setting(s) of %s set on %s; approved, the layer is removed and that is sent at once "+
"by a walk to %s, one machine at a time, each judged.", len(leaves(p.Before, "")), p.Module, p.where(), p.reaches())
}
added, changed, removed := settingsChange(p.Before, p.Values)
n := len(added) + len(changed) + len(removed)
unchanged := len(leaves(p.Values, "")) - len(added) - len(changed)
if n == 0 {
return fmt.Sprintf("Nothing changes: the %d setting(s) of %s on %s are as they stand.", unchanged, p.Module, p.where())
}
stay := ""
if unchanged > 0 {
stay = fmt.Sprintf(", and %d stay as they are", unchanged)
}
return fmt.Sprintf("Changes %d setting(s) of %s on %s%s; approved, the layer is set and sent at once by a walk to %s, "+
"one machine at a time, each judged.", n, p.Module, p.where(), stay, p.reaches())
}
// change is what changes, line by line, each value shown under the content rule, and whether every value was
// shown whole: "+ key: value" added, "~ key: value (was: old)" changed, "- key (was: old)" removed, and the
// count of keys unchanged.
func (p settingsProposal) change(machines []string) (string, bool) {
// change is what changes: as at most asks.MostPoints points for the glance, as every line whole for the note, and
// whether every value was shown exactly: "+ key: value"
// added, "~ key: value (was: old)" changed, "- key (was: old)" removed. Each value is shown under the content rule
// (sayableValue), or — exact, for a channel that proves who answers — as it is, withheld only when shaped like a
// secret (wholeValue). More changes than points: the first two, and the keys of the rest; a point longer than a
// phone shows at a glance is cut and says so. The note carries every line uncut (the review of #304: Approve sets
// exactly what the operator can read).
func (p settingsProposal) change(machines []string, exact bool) ([]string, []string, bool) {
whole := true
say := func(v any) string {
s, w := sayableValue(v, machines)
if exact {
s, w = wholeValue(v, machines)
}
whole = whole && w
return s
}
var lines []string
type line struct{ key, text string }
var lines []line
if p.Clear {
was := leaves(p.Before, "")
for _, k := range layerKeys(was) {
lines = append(lines, fmt.Sprintf("- %s: %s", k, say(was[k])))
lines = append(lines, line{k, fmt.Sprintf("- %s: %s", k, say(was[k]))})
}
} else {
added, changed, removed := settingsChange(p.Before, p.Values)
was, now := leaves(p.Before, ""), leaves(p.Values, "")
for _, k := range added {
lines = append(lines, fmt.Sprintf("+ %s: %s", k, say(now[k])))
lines = append(lines, line{k, fmt.Sprintf("+ %s: %s", k, say(now[k]))})
}
for _, k := range changed {
lines = append(lines, fmt.Sprintf("~ %s: %s (was: %s)", k, say(now[k]), say(was[k])))
lines = append(lines, line{k, fmt.Sprintf("~ %s: %s (was: %s)", k, say(now[k]), say(was[k]))})
}
for _, k := range removed {
lines = append(lines, fmt.Sprintf("- %s (was: %s)", k, say(was[k])))
}
unchanged := len(now) - len(added) - len(changed)
switch {
case len(lines) == 0 && unchanged > 0:
lines = append(lines, fmt.Sprintf("= nothing changes: the %d key(s) are as they stand", unchanged))
case unchanged > 0:
lines = append(lines, fmt.Sprintf("= %d key(s) unchanged", unchanged))
lines = append(lines, line{k, fmt.Sprintf("- %s (was: %s)", k, say(was[k]))})
}
}
out := strings.Join(lines, "\n")
if len(out) > shownMost {
cut := shownMost
for cut > 0 && out[cut] != '\n' {
cut--
// **Each line is judged as the router will judge it** (the review of #304, ADR 0347 §1 and §3): a line the
// content rule (masked) or the secret rule (whole) would refuse — a value given to a secret's name, say
// "+ password: hunter2" — is said with its key still named and its value withheld, never left for the
// router to withhold whole and unnamed. A line refused even so is the propose's refusal (judgeLines).
for i, l := range lines {
if lineLeaves(l.text, exact, machines) {
continue
}
out = out[:cut] + fmt.Sprintf("\n… NOT SHOWN IN FULL here: %d more bytes", len(strings.Join(lines, "\n"))-cut)
lines[i].text = l.text[:2] + l.key + " (value withheld)"
whole = false
}
return out, whole
all := make([]string, len(lines))
for i, l := range lines {
all[i] = l.text
}
// What the note holds of a value: whole where the glance is the whole one (shown only where the sender is
// proven, with the whole details beside it), under the content rule elsewhere — so the marker says no more than
// the note it points to (the review of ADR 0347).
inNote := "in the note"
if exact {
inNote = "whole in the note"
}
var out []string
for i, l := range lines {
if len(lines) > asks.MostPoints && i == asks.MostPoints-1 {
var rest []string
for _, r := range lines[i:] {
rest = append(rest, r.key)
}
out = append(out, fmt.Sprintf("and %d more, each %s: %s", len(rest), inNote, strings.Join(rest, ", ")))
break
}
out = append(out, l.text)
}
// A point too long for a glance is cut, and says so: its value is the note's.
cut := "… (cut: " + inNote + ")"
for i, l := range out {
if r := []rune(l); len(r) > asks.PointLength {
out[i] = string(r[:asks.PointLength-len([]rune(cut))]) + cut
}
}
return out, all, whole
}
// lineLeaves says whether a line may leave the mesh as the router judges it: under the content rule for the masked
// form, the secret rule alone for the whole one.
func lineLeaves(line string, exact bool, machines []string) bool {
if exact {
_, ok := outward.Secret(line, machines...)
return ok
}
_, ok := outward.Check(line, machines...)
return ok
}
// judgeLines is the first line of an ask's details the router would refuse, or withhold, and why: masked under
// the content rule line by line, whole under the secret rule. Empty when every line may leave.
func judgeLines(details string, exact bool, machines []string) (string, string) {
for _, line := range strings.Split(details, "\n") {
if strings.TrimSpace(line) == "" {
continue
}
if exact {
if refusal, ok := outward.Secret(line, machines...); !ok {
return line, refusal.String()
}
continue
}
if refusal, ok := outward.Check(line, machines...); !ok {
return line, refusal.String()
}
}
return "", ""
}
func layerKeys(m map[string]any) []string {
@@ -298,6 +396,27 @@ func sayableValue(v any, machines []string) (string, bool) {
return out, out == text
}
// wholeValue is a value as a channel that proves who answers is shown it (asks.Ask.Whole), and whether it was
// shown whole: as it is, unless it is shaped like a secret (outward.Secret), which is withheld whole — never in
// part, so no half of a key reaches the phone.
func wholeValue(v any, machines []string) (string, bool) {
text, ok := v.(string)
if !ok {
raw, err := json.Marshal(v)
if err != nil {
return markWithheld, false
}
text = string(raw)
}
if text == "" {
return `""`, true
}
if _, ok := outward.Secret(text, machines...); !ok {
return markWithheld, false
}
return text, true
}
// sayable is a text with what may not leave the mesh replaced in place by a marker; what the markers cannot make
// pass is withheld whole.
func sayable(text string, machines []string) string {
@@ -430,6 +549,23 @@ func (pr proposer) propose(ctx context.Context, in proposeInput) (string, error)
return refuse("the ask's words would carry %s, which may not leave the mesh, and the change could not be "+
"shown without it; %s", refusal, atTheTerminalInstead(in))
}
// The whole words are shown only where the sender is proven, and never a secret's shape: wholeValue withholds
// one, and the router would refuse the ask if one were left, so it is refused here first, in words.
if refusal, ok := outward.Secret(q.Whole, machines...); !ok {
return refuse("the change shown whole would carry %s, which may not leave the mesh on any channel; %s",
refusal, atTheTerminalInstead(in))
}
// So are the details (ADR 0347 §1, §3): every line the router would withhold from the note, or refuse the ask
// for, is refused here, in the controller's own words, naming the line's key — Approve never sets a value the
// operator was shown nothing of.
if line, why := judgeLines(q.Details, false, machines); line != "" {
return refuse("the change's line %q would carry %s, which the operator's note may not show; %s",
keyOfLine(line), why, atTheTerminalInstead(in))
}
if line, why := judgeLines(q.WholeDetails, true, machines); line != "" {
return refuse("the change's line %q shown whole would carry %s, which may not leave the mesh on any channel; %s",
keyOfLine(line), why, atTheTerminalInstead(in))
}
// Fail closed, before anything is kept: no router, no grant, no channel means no ask.
if pr.routerHere != nil {
here, err := pr.routerHere(ctx)
@@ -819,3 +955,21 @@ func pushTo(node string) string {
}
return node
}
// keyOfLine is what a refusal names of a line: the key of a change's line ("+ key: …"), or the line's first words.
func keyOfLine(line string) string {
if len(line) > 2 && strings.ContainsRune("+~-=", rune(line[0])) && line[1] == ' ' {
rest := line[2:]
if i := strings.IndexAny(rest, ": "); i > 0 {
rest = rest[:i]
}
if _, ok := outward.Secret(rest); !ok {
return "whose key is shaped like a secret"
}
return rest
}
if r := []rune(line); len(r) > 40 {
return string(r[:40]) + "…"
}
return line
}
+247 -14
View File
@@ -4,6 +4,7 @@ import (
"context"
"encoding/json"
"errors"
"fmt"
"io"
"os"
"slices"
@@ -116,24 +117,43 @@ func TestAProposalAsksAtTheLevelApproveWithTheExactChange(t *testing.T) {
if q.Options[0].Binds == q.Options[1].Binds {
t.Error("Approve and Decline bind the same act")
}
for _, line := range []string{
"Set the settings of mounts on shanks to these values?",
"Proposed by g14/claude-code, through the mesh-controller seat, at " + r.now.Local().Format("15:04 on 2 Jan") + ".",
"+ sources: recalbox=‹address›@‹path›:ro",
"~ shares: library=‹path› (was: none)",
"- old (was: x)",
"Fingerprint " + fingerprint(layerDigest(mountsSources)) + ".",
"read it whole, with this fingerprint",
} {
if !strings.Contains(q.Explanation, line) {
t.Errorf("the explanation lacks %q:\n%s", line, q.Explanation)
}
// The message reads at a glance (issues 383 and 639): a summary, then one point per key — and nothing else:
// who proposed it, the fingerprint and the how-to are the Details, which the router notes after the answers.
summary := "Changes 3 setting(s) of mounts on shanks; approved, the layer is set and sent at once by a walk to shanks, one machine at a time, each judged."
if q.Explanation != summary+"\n+ sources: recalbox=‹address›@‹path›:ro\n~ shares: library=‹path› (was: none)\n- old (was: x)" {
t.Errorf("the explanation:\n%s", q.Explanation)
}
if err := asks.Glance(q.Explanation); err != nil {
t.Error(err)
}
for _, leak := range []string{"nas.lan", "/mnt/recalbox", "/mnt/library", "smb://"} {
if strings.Contains(q.Explanation, leak) {
t.Errorf("the explanation carries %q, which may not leave the mesh", leak)
}
}
// Where the sender is proven, the values whole: the mount point and the share are what is approved.
if q.Whole != summary+"\n+ sources: recalbox=smb://nas.lan/recalbox@/mnt/recalbox:ro\n~ shares: library=/mnt/library (was: none)\n- old (was: x)" ||
asks.Glance(q.Whole) != nil {
t.Errorf("the whole words:\n%s", q.Whole)
}
for _, line := range []string{
"Proposed by g14/claude-code, through the mesh-controller seat at " + r.now.Local().Format("15:04 on 2 Jan") +
". Fingerprint " + fingerprint(layerDigest(mountsSources)) + ".",
"Where who answers is not proven, its values are shown as ‹address›, ‹path› or ‹withheld›.",
"Read it whole, with this fingerprint: settings proposals " + kept(r).ID + " at the controller's terminal",
} {
if !strings.Contains(q.Details, line) {
t.Errorf("Details lack %q:\n%s", line, q.Details)
}
}
if refusal, ok := outward.Check(q.Details, "anchor", "laptop", "shanks"); !ok {
t.Errorf("the router would withhold a line of the details: %s", refusal)
}
for _, howTo := range []string{"ingerprint", "settings proposals", "settings verb", "not proven", "Proposed by"} {
if strings.Contains(q.Explanation, howTo) || strings.Contains(q.Whole, howTo) {
t.Errorf("the message carries the how-to %q", howTo)
}
}
all := []string{q.Headline, q.Explanation, q.OnExpiry}
for _, o := range q.Options {
all = append(all, o.Label, o.Does)
@@ -141,6 +161,9 @@ func TestAProposalAsksAtTheLevelApproveWithTheExactChange(t *testing.T) {
if refusal, ok := outward.Check(strings.Join(all, "\n"), "anchor", "laptop", "shanks"); !ok {
t.Errorf("the router would refuse the ask: %s", refusal)
}
if refusal, ok := outward.Secret(q.Whole, "anchor", "laptop", "shanks"); !ok {
t.Errorf("the router would refuse the whole words: %s", refusal)
}
// Kept as the controller's own ask, about no condition, with the proposal whole and its digests.
kept := r.theProposal(t)
p := kept.Proposal
@@ -173,11 +196,98 @@ func TestAMeshWideLayerIsProposed(t *testing.T) {
}
q := r.askSent(t)
if q.Headline != "Set notes on the whole mesh?" || q.About != "settings.notes.mesh" ||
!strings.Contains(q.Explanation, "Set the settings of notes on the whole mesh to these values?") {
q.Explanation != "Changes 1 setting(s) of notes on the whole mesh; approved, the layer is set and sent at once by a walk to every machine running notes, one machine at a time, each judged.\n+ x: 1" ||
q.Whole != "" {
t.Errorf("%+v", q)
}
}
// kept is the one proposal the rig keeps.
func kept(r *proposerRig) asked {
for _, a := range r.store {
if a.Proposal != nil {
return a
}
}
return asked{}
}
// The switch between the masked and the whole change (issue 383): the same change, under the content rule and
// exact, differs in the masked values alone; a value shaped like a secret is withheld in both, whole, with its
// key still named; and a change no value of which is masked carries no whole words of its own.
func TestAProposalShowsItsValuesWholeOnlyWhereTheSenderIsProvenAndNeverASecret(t *testing.T) {
machines := []string{"anchor", "laptop", "shanks"}
r := newProposerRig(t)
values := map[string]any{"shares": "media=/storage/media", "sources": "recalbox=smb://nas.lan/recalbox@/mnt/recalbox", "font": "Inter 13"}
if _, err := r.pr.propose(context.Background(), proposeInput{module: "mounts", node: "shanks", values: values}); err != nil {
t.Fatal(err)
}
q := r.askSent(t)
masked, _, _ := kept(r).Proposal.change(machines, false)
whole, _, _ := kept(r).Proposal.change(machines, true)
if !strings.HasSuffix(q.Explanation, "\n"+strings.Join(masked, "\n")) || !strings.HasSuffix(q.Whole, "\n"+strings.Join(whole, "\n")) {
t.Fatalf("the ask does not carry the change masked and whole:\n%s\n--\n%s", q.Explanation, q.Whole)
}
if want := []string{"+ font: Inter 13", "+ shares: media=‹path›", "+ sources: recalbox=‹address›@‹path›"}; strings.Join(masked, "\n") != strings.Join(want, "\n") {
t.Errorf("masked: %q", masked)
}
if want := []string{"+ font: Inter 13", "+ shares: media=/storage/media", "+ sources: recalbox=smb://nas.lan/recalbox@/mnt/recalbox"}; strings.Join(whole, "\n") != strings.Join(want, "\n") {
t.Errorf("whole: %q", whole)
}
if _, ok := outward.Secret(q.Whole, "shanks"); !ok {
t.Error("the router would refuse the whole words")
}
// Mutation: the masked and the whole change differ in exactly the lines whose value was masked.
differ := 0
for i := range masked {
if masked[i] != whole[i] {
differ++
if !strings.Contains(masked[i], "‹") || strings.Contains(whole[i], "‹") {
t.Errorf("the lines differ otherwise than by the mask:\n%s\n%s", masked[i], whole[i])
}
}
}
if differ != 2 {
t.Errorf("%d lines differ, and the mask covered 2", differ)
}
// A value shaped like a secret is withheld in both, whole, with its key still named.
r1 := newProposerRig(t)
secrets := map[string]any{"github": "ghp_abcdefghijklmnopqrstuvwxyz0123456789", "cert": "-----BEGIN CERTIFICATE-----"}
if _, err := r1.pr.propose(context.Background(), proposeInput{module: "mounts", node: "shanks", values: secrets}); err != nil {
t.Fatal(err)
}
q1 := r1.askSent(t)
for _, line := range []string{"+ cert: ‹withheld›", "+ github: ‹withheld›"} {
if !strings.Contains(q1.Explanation, line) {
t.Errorf("lacks %q:\n%s", line, q1.Explanation)
}
}
for _, secret := range []string{"ghp_", "BEGIN CERTIFICATE"} {
if strings.Contains(q1.Explanation, secret) || strings.Contains(q1.Whole, secret) || strings.Contains(q1.Details, secret) {
t.Errorf("the secret %q reaches the phone", secret)
}
}
// More keys than points (issue 639): the first two, then the keys of the rest, read whole at the terminal.
r3 := newProposerRig(t)
five := map[string]any{"a": "1", "b": "2", "c": "3", "d": "4", "e": "5"}
if _, err := r3.pr.propose(context.Background(), proposeInput{module: "notes", node: "laptop", values: five}); err != nil {
t.Fatal(err)
}
if q3 := r3.askSent(t); !strings.HasSuffix(q3.Explanation, "\n+ a: 1\n+ b: 2\nand 3 more, each in the note: c, d, e") || asks.Glance(q3.Explanation) != nil ||
!strings.Contains(q3.Details, "settings proposals") {
t.Errorf("five keys:\n%s", q3.Explanation)
}
// No value masked: the message is the same everywhere, and the ask says no whole words.
r2 := newProposerRig(t)
if _, err := r2.pr.propose(context.Background(), proposeInput{module: "dunst", node: "laptop", values: map[string]any{"font-size": 13, "width": 500}}); err != nil {
t.Fatal(err)
}
if q2 := r2.askSent(t); q2.Whole != "" || !strings.HasSuffix(q2.Explanation, "\n+ font-size: 13\n+ width: 500") ||
strings.Contains(q2.Details, "not proven") {
t.Errorf("%+v", q2)
}
}
// A proposal expired unanswered is kept so by the reconciling, and a warrant for it afterwards sets nothing.
func TestAnExpiredProposalIsKeptExpired(t *testing.T) {
r := newAskerRig(t)
@@ -205,7 +315,8 @@ func TestAClearIsProposedAndShowsWhatItRemoves(t *testing.T) {
}
q := r.askSent(t)
if q.Headline != "Clear notes on laptop?" || !strings.Contains(q.Explanation, "- places.data.owner: 1001:1001") ||
!strings.Contains(q.Explanation, "- places.data.path: ‹path›") {
!strings.Contains(q.Explanation, "- places.data.path: ‹path›") || !strings.Contains(q.Whole, "- places.data.path: /srv/notes") ||
!strings.HasPrefix(q.Explanation, "Removes the 2 setting(s) of notes set on laptop; approved, the layer is removed and that is sent at once by a walk to laptop, one machine at a time") {
t.Errorf("%+v", q)
}
if p := r.theProposal(t).Proposal; !p.Clear || p.Digest != layerDigest(r.before) || len(r.judged) != 0 {
@@ -744,3 +855,125 @@ func captureStdout(t *testing.T, f func()) string {
_ = w.Close()
return <-done
}
// The review of #304: Approve sets exactly what the operator can read. A proposal of five keys, one value 300
// characters long, shows two keys at a glance, says what it cut, and carries every key with its whole value in its
// Details for a channel that proves who answers (WholeDetails), and every key masked for one that does not.
func TestEveryKeyAndItsWholeValueReachTheOperator(t *testing.T) {
var long strings.Builder
long.WriteString("library=/storage")
for i := 0; long.Len() < 300; i++ {
long.WriteString(fmt.Sprintf("/album-%02d", i))
}
value := long.String()[:300]
values := map[string]any{"a": "1", "b": "2", "c": "3", "d": "4", "shares": value}
r := newProposerRig(t)
if _, err := r.pr.propose(context.Background(), proposeInput{module: "mounts", node: "shanks", values: values}); err != nil {
t.Fatal(err)
}
q := r.askSent(t)
if err := q.Check(r.now); err != nil {
t.Fatal(err)
}
// What the operator reads on a proving channel: the whole words, then the note's whole details.
visible := q.Whole + "\n" + q.WholeDetails
if q.Whole == "" {
visible = q.Explanation + "\n" + q.WholeDetails
}
for k, v := range values {
if !strings.Contains(visible, "+ "+k+": "+v.(string)) {
t.Errorf("the operator never reads %s whole:\n%s", k, visible)
}
}
// The masked glance points to a note that holds the values masked, and says no more; the whole glance, shown only
// beside the whole details, says they are whole there.
if asks.Glance(q.Explanation) != nil || !strings.HasSuffix(q.Explanation, "\nand 3 more, each in the note: c, d, shares") ||
strings.Contains(q.Explanation, "whole in the note") || !strings.HasSuffix(q.Whole, "\nand 3 more, each whole in the note: c, d, shares") {
t.Errorf("the glance:\n%s", q.Explanation)
}
for k := range values {
if !strings.Contains(q.Details, "+ "+k+": ") {
t.Errorf("the masked details lack %s:\n%s", k, q.Details)
}
}
if strings.Contains(q.Details, "/storage") {
t.Errorf("the masked details show a path:\n%s", q.Details)
}
if refusal, ok := outward.Check(q.Details, "shanks"); !ok {
t.Errorf("the router would withhold the masked details: %s", refusal)
}
if _, ok := outward.Secret(q.WholeDetails, "shanks"); !ok {
t.Error("the router would refuse the whole details")
}
// A value too long for a glance is cut there, and says so.
r2 := newProposerRig(t)
if _, err := r2.pr.propose(context.Background(), proposeInput{module: "mounts", node: "shanks", values: map[string]any{"shares": value}}); err != nil {
t.Fatal(err)
}
q2 := r2.askSent(t)
// The cut point is 160 characters, its marker inside the bound.
if last := q2.Whole[strings.LastIndex(q2.Whole, "\n")+1:]; len([]rune(last)) != asks.PointLength {
t.Errorf("the cut point is %d characters, not %d: %q", len([]rune(last)), asks.PointLength, last)
}
if !strings.HasSuffix(q2.Whole, "… (cut: whole in the note)") || !strings.HasSuffix(q2.Explanation, "‹path›") && !strings.HasSuffix(q2.Explanation, "… (cut: in the note)") || !strings.Contains(q2.WholeDetails, "+ shares: "+value) || asks.Glance(q2.Whole) != nil {
t.Errorf("the cut is not said, or the note lacks the whole:\n%s\n--\n%s", q2.Whole, q2.WholeDetails)
}
}
// The review of #304: a value given to a secret's name, past the second key, is said with its key named and its
// value withheld, in the note on every channel; the router has nothing left to withhold unnamed or refuse. A line
// the router would refuse even so is refused at propose, in the controller's words.
func TestASecretNamedKeyIsNamedAndItsValueWithheld(t *testing.T) {
r := newProposerRig(t)
values := map[string]any{"a": "1", "b": "2", "c": "3", "password": "hunter2"}
if _, err := r.pr.propose(context.Background(), proposeInput{module: "notes", node: "laptop", values: values}); err != nil {
t.Fatal(err)
}
q := r.askSent(t)
for _, form := range []string{q.Details, q.WholeDetails, q.Explanation, q.Whole} {
if strings.Contains(form, "hunter2") {
t.Errorf("the value reaches the phone:\n%s", form)
}
}
if !strings.Contains(q.Details, "+ password (value withheld)") {
t.Errorf("the key is not named with its value withheld:\n%s", q.Details)
}
if q.WholeDetails != "" && !strings.Contains(q.WholeDetails, "+ password (value withheld)") {
t.Errorf("the whole details do not name the key:\n%s", q.WholeDetails)
}
if line, why := judgeLines(q.Details, false, nil); line != "" {
t.Errorf("the router would withhold %q: %s", line, why)
}
if line, why := judgeLines(q.WholeDetails, true, nil); line != "" {
t.Errorf("the router would refuse %q: %s", line, why)
}
if !strings.HasSuffix(q.Explanation, "\nand 2 more, each in the note: c, password") {
t.Errorf("the glance:\n%s", q.Explanation)
}
// A key shaped like a secret cannot be named on any channel: refused at propose, in the controller's words, and
// the key itself not echoed.
r2 := newProposerRig(t)
secretKey := "ghp_abcdefghijklmnopqrstuvwxyz0123456789"
_, err := r2.pr.propose(context.Background(), proposeInput{module: "notes", node: "laptop",
values: map[string]any{"a": "1", "b": "2", secretKey: "3"}})
if err == nil || !strings.Contains(err.Error(), "Nothing was proposed") || strings.Contains(err.Error(), secretKey) {
t.Errorf("a secret-shaped key: %v", err)
}
if len(r2.sent) != 0 {
t.Errorf("the refused proposal was asked")
}
}
// keyOfLine names a change's key, and never one shaped like a secret.
func TestARefusalNamesTheKeyAndNeverASecret(t *testing.T) {
for line, want := range map[string]string{
"+ password (value withheld)": "password",
"~ shares: ‹path› (was: none)": "shares",
"+ ghp_abcdefghijklmnopqrstuvwxyz0123456789: 1": "whose key is shaped like a secret",
"Proposed by g14 at 15:04.": "Proposed by g14 at 15:04.",
} {
if got := keyOfLine(line); got != want {
t.Errorf("%q: %q, want %q", line, got, want)
}
}
}
+6 -3
View File
@@ -82,8 +82,11 @@ func TestTheAskSaysAnApprovedLayerIsSentAtOnce(t *testing.T) {
if err := q.Check(r.now); err != nil {
t.Fatalf("the ask is refused: %v", err)
}
if !strings.Contains(q.Explanation, "and sent at once to "+c.where+", one machine at a time, each judged, "+
"every build there kept; its end is told as every walk's is") {
// At a glance (ADR 0345): the summary says it is sent at once by a walk, one machine at a time; the rest of
// what Approve does is the Details', which the router notes after the answers.
if !strings.Contains(q.Explanation, "sent at once by a walk to "+c.where+", one machine at a time, each judged") ||
!strings.Contains(q.Details, "and sent at once to "+c.where+", one machine at a time, each judged, "+
"every build there kept; its end is told as every walk's is") {
t.Errorf("the ask does not say the layer is sent at once to %s:\n%s", c.where, q.Explanation)
}
approve := q.Options[0]
@@ -93,7 +96,7 @@ func TestTheAskSaysAnApprovedLayerIsSentAtOnce(t *testing.T) {
if !strings.Contains(words, "a walk sends it to "+c.where+" at once") {
t.Errorf("the proposer's answer:\n%s", words)
}
for _, said := range []string{q.Explanation, approve.Does, words} {
for _, said := range []string{q.Explanation, q.Whole, approve.Does, words} {
if strings.Contains(said, "push") {
t.Errorf("a push is still named, as if a second act were needed:\n%s", said)
}
+1 -1
View File
@@ -3,7 +3,7 @@ module github.com/novox/mesh-controller
go 1.26.0
require (
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261010191001-33917f91ac3c
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261013182924-5933eb757d44
github.com/jackc/pgx/v5 v5.10.0
github.com/nats-io/nats-server/v2 v2.11.17
github.com/nats-io/nats.go v1.54.0
+6
View File
@@ -2,6 +2,12 @@ git.novox.be/novox/mesh-host v0.0.0-20261011092230-20d5af9b2d5f h1:8N5OW2mdTNIck
git.novox.be/novox/mesh-host v0.0.0-20261011092230-20d5af9b2d5f/go.mod h1:tcTK4LMs1d6JpZUwy3hSHMFG/MIuDr/XFs7/nbeaW/c=
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261010191001-33917f91ac3c h1:l5onJwoIeH8yE/PjVlEeoPyXBsHp2NQiWLllz2fwX7s=
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261010191001-33917f91ac3c/go.mod h1:GFuZUElBZ9A++mxgIKo97aXXo+kV0uJ/UkbhQPPIbrY=
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261013141520-9588871d6629 h1:7TYFV1Q6Mcz+lsLP/sds87tysET4rKCn3rRIQV8gNmA=
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261013141520-9588871d6629/go.mod h1:GFuZUElBZ9A++mxgIKo97aXXo+kV0uJ/UkbhQPPIbrY=
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261013145622-f4745447ba6d h1:HEJyqorKktrkJPeeJdwEo0kdrJjH3fm/YVS9MGftCqY=
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261013145622-f4745447ba6d/go.mod h1:GFuZUElBZ9A++mxgIKo97aXXo+kV0uJ/UkbhQPPIbrY=
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261013182924-5933eb757d44 h1:r5xIo5qWOXQdCSMxvqJy8kV4U+P/QWXFK6971Ha6wU8=
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261013182924-5933eb757d44/go.mod h1:GFuZUElBZ9A++mxgIKo97aXXo+kV0uJ/UkbhQPPIbrY=
github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op h1:Z/MZK75wC/NSrkgqeNIa7jexam9uWzhLmFTSCPI/kn0=
github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op/go.mod h1:FQyySiasQQM8735Ddel3MRojmy4dA1IqCeyJ5jmPMbI=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+56 -11
View File
@@ -80,6 +80,57 @@ func Check(text string, machines ...string) (Refusal, bool) {
return Refusal{"address", "a hardware address"}, false
case reIPv6.MatchString(text):
return Refusal{"address", "an IPv6 address"}, false
}
if refusal, ok := secretShape(text); !ok {
return refusal, false
}
if reWinPath.MatchString(text) {
return Refusal{"path", "a drive path"}, false
}
if refusal, ok := randomRun(text); !ok {
return refusal, false
}
for _, word := range strings.FieldsFunc(text, isSeparator) {
w := strings.TrimRight(word, ".:!?")
if isPath(w) {
return Refusal{"path", "a file path"}, false
}
if isHostName(w) {
return Refusal{"address", "a host name"}, false
}
}
return Refusal{}, true
}
// Secret says whether a text carries a secret's shape, the one class that leaves the mesh nowhere — the
// messenger's CheckSecret, one for one. It is what an ask's whole words (asks.Ask.Whole, novox/hq issue 383)
// are held to: on a channel that proves who answers, a path or an address is what the operator approves and
// is shown; a secret never is. A path is read as one: a run with a slash in it is judged piece by piece
// between the slashes, so "/mnt/Photos_2024/Jochen" is a path and not a random string (the review of
// 2026-10-10); the named shapes hold whatever the run holds.
func Secret(text string, machines ...string) (Refusal, bool) {
text = withoutMachines(text, machines)
if refusal, ok := secretShape(text); !ok {
return refusal, false
}
return randomRunOutsidePaths(text)
}
// randomRunOutsidePaths is randomRun with each run that holds a slash judged by its pieces between the slashes.
func randomRunOutsidePaths(text string) (Refusal, bool) {
for _, run := range reRun.FindAllString(text, -1) {
for _, piece := range strings.Split(run, "/") {
if len(piece) >= 20 && looksRandom(piece) {
return Refusal{"secret", "a long random-looking string"}, false
}
}
}
return Refusal{}, true
}
// secretShape is the secret shapes a pattern names.
func secretShape(text string) (Refusal, bool) {
switch {
case rePEM.MatchString(text):
return Refusal{"secret", "a key block"}, false
case reJWT.MatchString(text):
@@ -92,23 +143,17 @@ func Check(text string, machines ...string) (Refusal, bool) {
return Refusal{"secret", "a value given to a secret's name"}, false
case reHex.MatchString(text):
return Refusal{"secret", "a long hexadecimal string"}, false
case reWinPath.MatchString(text):
return Refusal{"path", "a drive path"}, false
}
return Refusal{}, true
}
// randomRun is a long unbroken run of characters spread as a random string's are.
func randomRun(text string) (Refusal, bool) {
for _, run := range reRun.FindAllString(text, -1) {
if looksRandom(run) {
return Refusal{"secret", "a long random-looking string"}, false
}
}
for _, word := range strings.FieldsFunc(text, isSeparator) {
w := strings.TrimRight(word, ".:!?")
if isPath(w) {
return Refusal{"path", "a file path"}, false
}
if isHostName(w) {
return Refusal{"address", "a host name"}, false
}
}
return Refusal{}, true
}
+37
View File
@@ -86,3 +86,40 @@ func TestScrubAlwaysGivesWhatMayLeave(t *testing.T) {
t.Errorf("a text that passes was changed: %q", got)
}
}
// Secret is the one class that leaves the mesh nowhere (novox/hq issue 383): it refuses every secret's shape
// Check refuses, and nothing Check refuses as an address or a path — those an ask's whole words may carry.
func TestSecretRefusesOnlyASecretsShape(t *testing.T) {
for _, text := range []string{
"-----BEGIN RSA PRIVATE KEY-----",
"eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIxIn0.abc",
"123456789:ABCdefGHIjklMNOpqrSTUvwxYZ0123456789ab",
"ghp_abcdefghijklmnopqrstuvwxyz0123456789",
"password=hunter2",
"0123456789abcdef0123456789abcdef",
"a key xK9mQ2vL8pR4tW7yB3nF6hJ1dG5sA0zC",
} {
r, ok := Secret(text)
if ok || r.Class != "secret" {
t.Errorf("not refused as a secret: %q (%s)", text, r)
}
}
for _, text := range []string{
"recalbox=smb://nas.lan/recalbox@/mnt/recalbox:ro",
"library=/mnt/library",
"photos=/mnt/Photos_2024/Jochen",
"games=smb://nas.lan/Recalbox_Games2024",
"/srv/media/Series_Archive/Season01",
"10.77.0.9:53",
"jochen@example.com",
"C:\\Users\\jo",
"anchor and the laptop",
} {
if r, ok := Secret(text, "anchor"); !ok {
t.Errorf("refused as %s: %q", r, text)
}
if _, ok := Check(text, "anchor"); ok && text != "anchor and the laptop" {
t.Errorf("Check lets %q leave, so Secret is not the narrower rule", text)
}
}
}
+1 -1
View File
@@ -9,7 +9,7 @@ a second place to clean besides the catalogue itself.
mesh-catalog e0bc919d4945bb5f13f971f74643a0b714cf45da modules/*/module.json, modules/nats/Dockerfile
mesh-host 7a41e120635b3f7b6cb94cca8b3fc4093e4e6110 examples/foundation-first-node.lock
mesh-sdk 33917f91ac3cc213b879b32f3c70e2aa70395f98 conformance/events/module-event.json
mesh-sdk 5933eb757d443293631be2bed27a96288c2348d8 conformance/events/module-event.json
To move them, from this repository's root, with the two repositories checked out beside it:
+69 -5
View File
@@ -170,10 +170,18 @@ func (a Ask) Digest() string {
canonical(&b, v)
}
}
if a.Whole != "" || a.Details != "" {
// Whole and Details are written whenever either or WholeDetails is given, and WholeDetails after them whenever
// it is given (novox/hq ADR 0347): the fields after the options are then always one of three fixed shapes —
// none, the two, or the three — and the count of values the sequence holds tells them apart, so no two asks
// encode the same (the review of mesh-sdk #25). An ask with none of them digests as before they existed, and
// one without WholeDetails as before it existed.
if a.Whole != "" || a.Details != "" || a.WholeDetails != "" {
canonical(&b, a.Whole)
canonical(&b, a.Details)
}
if a.WholeDetails != "" {
canonical(&b, a.WholeDetails)
}
sum := sha256.Sum256([]byte(b.String()))
return "sha256:" + hex.EncodeToString(sum[:])
}
@@ -202,9 +210,59 @@ type Ask struct {
// The asker withholds a value shaped like a secret in it, and the router refuses the ask when one is left;
// Explanation stays under the whole content rule everywhere else. Empty, Explanation is shown everywhere.
Whole string `json:"whole,omitempty"`
// Details is what the Details answer on the ask's message shows, line by line under the content rule: a
// fingerprint, how to read the proposal whole at the terminal. Empty, an ask's own message offers no Details.
// Details are the ask's secondary words, line by line under the content rule: who proposed it, a
// fingerprint, how to read it whole. The router shows them in the note of the ask's own message
// (Message.Note), after what the ask's options do and when it expires — never in its body (novox/hq
// issue 639).
Details string `json:"details,omitempty"`
// WholeDetails are the Details with their exact values whole, shown in place of Details where Whole is shown
// in place of the explanation (a kind that proves who answers, given the ask's answers): every value an
// approval sets, whole, so the person reads exactly what they approve (novox/hq issue 383). Held, like
// Whole, to the secret rule alone; the router refuses the ask when a secret's shape is left in it. Empty,
// Details are shown everywhere.
WholeDetails string `json:"whole-details,omitempty"`
}
// What an ask's explanation is held to, so it reads at a glance on a phone (novox/hq issue 639): a summary
// of two or three short sentences on its first line — what changes, why, what it costs or risks — then at
// most three points, a line each, only where they add something. Whole is held to the same. Who asked, when,
// the fingerprint and how to read it whole are Details, never the explanation.
const (
SummaryLength = 300
MostPoints = 3
PointLength = 160
)
// Glance says why an explanation does not read at a glance, or nil: its first line, the summary, longer than
// SummaryLength; more than MostPoints lines after it; a point longer than PointLength. Blank lines are not
// counted. An asker holds its asks to it in its own tests; the router says, without refusing, an ask that
// does not hold to it.
func Glance(explanation string) error {
var lines []string
for _, l := range strings.Split(explanation, "\n") {
if strings.TrimSpace(l) != "" {
lines = append(lines, strings.TrimSpace(l))
}
}
var problems []string
switch {
case len(lines) == 0:
problems = append(problems, "it has no summary")
case len([]rune(lines[0])) > SummaryLength:
problems = append(problems, fmt.Sprintf("its summary is %d characters, more than %d", len([]rune(lines[0])), SummaryLength))
}
if len(lines) > 1+MostPoints {
problems = append(problems, fmt.Sprintf("it has %d points after its summary, more than %d", len(lines)-1, MostPoints))
}
for i, l := range lines {
if i > 0 && len([]rune(l)) > PointLength {
problems = append(problems, fmt.Sprintf("its point %d is %d characters, more than %d", i, len([]rune(l)), PointLength))
}
}
if len(problems) > 0 {
return errors.New("the explanation does not read at a glance: " + strings.Join(problems, "; "))
}
return nil
}
// The bounds of an ask (novox/hq ADR 0234 §8, ADR 0259 §4).
@@ -435,8 +493,14 @@ type Message struct {
Title string `json:"title"`
Body string `json:"body"`
Buttons []Button `json:"buttons,omitempty"`
Urgent bool `json:"urgent,omitempty"`
Silent bool `json:"silent,omitempty"`
// Note is the message's secondary words, after its body and its buttons: who asked and when, what each
// answer does, when it expires, and the ask's Details. A channel shows it smaller, collapsed or set apart
// where it can, and after the body where it cannot (novox/hq issue 639). A channel that bounds a message's
// length cuts the body first and the note only when the title and the note alone do not fit, saying each
// cut (novox/hq ADR 0347 §5).
Note string `json:"note,omitempty"`
Urgent bool `json:"urgent,omitempty"`
Silent bool `json:"silent,omitempty"`
// Reply is the Choice or LinkAsked this answers, by its ID: the channel shows it where that was made.
Reply string `json:"reply,omitempty"`
// To is the account linked as the operator on this kind, for a channel that verifies its sender: where
+1 -1
View File
@@ -1,4 +1,4 @@
# git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261010191001-33917f91ac3c
# git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261013182924-5933eb757d44
## explicit; go 1.22
git.novox.be/novox/mesh-sdk/go/asks
# github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op