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package bidder
import (
"context"
"strings"
"testing"
"time"
"github.com/johnandersen777/socialweb-computer-kcp/api/v1alpha1"
"github.com/johnandersen777/socialweb-computer-kcp/internal/atproto/market"
"github.com/johnandersen777/socialweb-computer-kcp/internal/market/participant"
bundledactions "github.com/johnandersen777/socialweb-computer-kcp/internal/policyengine/bundled-actions"
"github.com/johnandersen777/socialweb-computer-kcp/internal/policyengine/policytest"
"github.com/johnandersen777/socialweb-computer-kcp/internal/policyengine/runs"
)
func specBidder(h *policytest.Harness, own string) *Bidder {
records := market.NewRepoStore(market.RepoStoreConfig{DID: "did:plc:policytestbidderlocal", Foreign: h.World})
return &Bidder{
cfg: Config{DID: policytest.Bidder, ScopePolicy: own},
records: records,
policy: &policyEvaluator{runs: h.Client(PerspectiveBidder), scope: own, records: records},
}
}
func (b *Bidder) specRFPToBid(ctx context.Context, requester string, rfp policytest.Ref, attached []market.StrongRef) participant.PolicyDecision {
if scope := b.policy.Scope(ctx, participant.PolicyInput{SelfDid: b.cfg.DID, CounterpartyDid: requester,
RFP: &participant.PolicyRef{URI: rfp.URI, CID: rfp.CID}}); !scope.Allow {
return scope
}
return b.policy.EvaluatePolicies(ctx, attached, b.fullInput(requester, rfp.URI, rfp.CID))
}
type bidderMode struct {
own string
workflow string
want func(policytest.TrustCase) bool
}
var bidderModes = []bidderMode{
{own: "", workflow: v1alpha1.BidderDefaultPolicy, want: func(c policytest.TrustCase) bool { return c.Vouch }},
{own: "bidder-tangled-vouch", workflow: "bidder-tangled-vouch", want: func(c policytest.TrustCase) bool { return c.Vouch }},
{own: "bidder-only-me", workflow: "bidder-only-me", want: func(c policytest.TrustCase) bool { return c.OnlyMe }},
{own: "open", workflow: "open", want: func(policytest.TrustCase) bool { return true }},
}
func modeName(m bidderMode) string {
if m.own == "" {
return "default"
}
return m.own
}
type ranRun struct {
mode string
workflow string
allow bool
finished bool
}
func runsOf(h *policytest.Harness, mark int) []ranRun {
out := []ranRun{}
for _, run := range h.Runner.Since(mark) {
allow := false
if raw, ok := run.Status.Outputs["evaluate"]; ok {
allow = strings.Contains(string(raw), `"allow":"true"`)
}
out = append(out, ranRun{mode: run.Input("mode"), workflow: run.Workflow, allow: allow, finished: run.Status.CompletionTime != nil})
}
return out
}
func requireRan(t *testing.T, got []ranRun, mode, workflow string) ranRun {
t.Helper()
for _, run := range got {
if run.mode == mode && run.workflow == workflow {
if !run.finished {
t.Fatalf("the %s %s run did not finish", mode, workflow)
}
return run
}
}
t.Fatalf("no %s run of %s for this decision; runs %+v", mode, workflow, got)
return ranRun{}
}
func attachedRecord(h *policytest.Harness, name string) market.StrongRef {
text, _ := bundledactions.Workflow(name)
ref := h.World.PolicyRecord(policytest.Requester, "policy-"+name, name, string(text))
return market.StrongRef{URI: ref.URI, CID: ref.CID}
}
func TestBidderDecisionSites(t *testing.T) {
t.Parallel()
for _, site := range []string{"rfp-to-bid", "accept"} {
for _, mode := range bidderModes {
for _, attach := range []string{"", "requester-tangled-vouch"} {
for _, tc := range policytest.TrustCases {
label := "none"
if attach != "" {
label = attach
}
t.Run("always-run/bidder-"+site+"/"+modeName(mode)+"/attached-"+label+"/"+tc.Name, func(t *testing.T) {
t.Parallel()
h := policytest.New(t)
p := policytest.PartiesFor("bidder")
tc.Build(h.World, p)
b := specBidder(h, mode.own)
var refs []market.StrongRef
if attach != "" {
refs = append(refs, attachedRecord(h, attach))
}
rfp := h.World.RFP(policytest.Requester, "rfp-"+site)
mark := h.Runner.Mark()
ctx, cancel := context.WithTimeout(context.Background(), 90*time.Second)
defer cancel()
verdict := b.specRFPToBid(ctx, p.CP, rfp, refs)
got := runsOf(h, mark)
ownScope := requireRan(t, got, runs.ModeScope, mode.workflow)
want := mode.want(tc)
if ownScope.allow != want {
t.Fatalf("the scope run of %s answered allow=%t, want %t", mode.workflow, ownScope.allow, want)
}
if !ownScope.allow {
if verdict.Allow {
t.Fatalf("the decision allowed after the scope run denied")
}
for _, run := range got {
if run.mode == runs.ModeFull {
t.Fatalf("a full run went ahead after the scope run denied")
}
}
return
}
ownFull := requireRan(t, got, runs.ModeFull, mode.workflow)
if ownFull.allow != want {
t.Fatalf("the full run of %s answered allow=%t, want %t", mode.workflow, ownFull.allow, want)
}
if attach != "" && ownFull.allow {
attachedRun := requireRan(t, got, runs.ModeFull, refs[0].URI)
want = want && tc.Vouch
if attachedRun.allow != tc.Vouch {
t.Fatalf("the attached %s run answered allow=%t, want %t", attach, attachedRun.allow, tc.Vouch)
}
}
if verdict.Allow != want {
t.Fatalf("the %s decision allow=%t, want %t (%s)", site, verdict.Allow, want, verdict.Reason)
}
})
}
}
}
}
}
func TestBidderAttachedPoliciesFailClosed(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
name string
attach func(h *policytest.Harness) market.StrongRef
reason string
}{
{"attached-deny-workflow", func(h *policytest.Harness) market.StrongRef {
ref := h.World.PolicyRecord(policytest.Requester, "split", "split-verdict", policytest.WorkflowFixture("split-verdict"))
return market.StrongRef{URI: ref.URI, CID: ref.CID}
}, "the second job denies"},
{"attached-typescript-record", func(h *policytest.Harness) market.StrongRef {
ref := h.World.RecordOfType(policytest.Requester, "computer.socialweb.temp.policy.typescript", "ts", policytest.RecordFixture("typescript"))
return market.StrongRef{URI: ref.URI, CID: ref.CID}
}, "not gha-lite"},
{"attached-record-missing", func(h *policytest.Harness) market.StrongRef {
return market.StrongRef{URI: policytest.URI(policytest.Requester, policytest.PolicyGhaLiteNSID, "gone"), CID: "bafyreigh2akiscaildcqabsyg3dfr6chu3fgpregiymsck7e7aqa4s52zy"}
}, "failed to resolve policy ref"},
{"attached-record-cid-changed", func(h *policytest.Harness) market.StrongRef {
ref := attachedRecord(h, "requester-tangled-vouch")
return market.StrongRef{URI: ref.URI, CID: "bafyreigh2akiscaildcqabsyg3dfr6chu3fgpregiymsck7e7aqa4s52zy"}
}, "failed to resolve policy ref"},
} {
t.Run("always-run/bidder-rfp-to-bid/default/"+tc.name, func(t *testing.T) {
t.Parallel()
h := policytest.New(t)
h.World.Vouch(policytest.Bidder, policytest.Requester)
b := specBidder(h, "")
rfp := h.World.RFP(policytest.Requester, "rfp")
mark := h.Runner.Mark()
verdict := b.specRFPToBid(context.Background(), policytest.Requester, rfp, []market.StrongRef{tc.attach(h)})
got := runsOf(h, mark)
requireRan(t, got, runs.ModeScope, v1alpha1.BidderDefaultPolicy)
requireRan(t, got, runs.ModeFull, v1alpha1.BidderDefaultPolicy)
if verdict.Allow {
t.Fatalf("an attached policy that cannot allow let the bid through")
}
if !strings.Contains(verdict.Reason, tc.reason) {
t.Fatalf("want a deny with %q, got %q", tc.reason, verdict.Reason)
}
})
}
}
func TestBidderFailClosedWithoutEngine(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
name string
setup func(h *policytest.Harness, b *Bidder)
}{
{"no-run-client", func(h *policytest.Harness, b *Bidder) { b.policy = &policyEvaluator{} }},
{"sandbox-unfenced", func(h *policytest.Harness, b *Bidder) { h.Sandbox.SetMode(policytest.SandboxUnfenced) }},
{"no-engine-output", func(h *policytest.Harness, b *Bidder) {}},
} {
t.Run("fail-closed/bidder-rfp-to-bid/"+tc.name, func(t *testing.T) {
t.Parallel()
h := policytest.New(t)
h.World.Vouch(policytest.Bidder, policytest.Requester)
b := specBidder(h, "open")
tc.setup(h, b)
rfp := h.World.RFP(policytest.Requester, "rfp")
var attached []market.StrongRef
if tc.name == "no-engine-output" {
ref := h.World.PolicyRecord(policytest.Requester, "silent", "silent", policytest.WorkflowFixture("no-allow-output"))
attached = []market.StrongRef{{URI: ref.URI, CID: ref.CID}}
}
verdict := b.specRFPToBid(context.Background(), policytest.Requester, rfp, attached)
if verdict.Allow {
t.Fatalf("the bid decision allowed with %s", tc.name)
}
if strings.TrimSpace(verdict.Reason) == "" {
t.Fatalf("the deny carries no reason")
}
})
}
}
func TestBidderDefaultPolicyIsTangledVouch(t *testing.T) {
t.Parallel()
if v1alpha1.BidderDefaultPolicy != "bidder-tangled-vouch" {
t.Fatalf("the bidder default policy is %q, want bidder-tangled-vouch", v1alpha1.BidderDefaultPolicy)
}
for _, own := range []string{"", " "} {
if got := (&policyEvaluator{scope: own}).workflow(); got != "bidder-tangled-vouch" {
t.Fatalf("spec.policy %q runs %q, want bidder-tangled-vouch", own, got)
}
}
}
