| 1 | package host |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "log" |
| 6 | "net/http" |
| 7 | "path/filepath" |
| 8 | "time" |
| 9 | |
| 10 | "github.com/carlosframework/platform/internal/hostbox" |
| 11 | "github.com/carlosframework/platform/internal/hostclaim" |
| 12 | "github.com/carlosframework/platform/internal/hostguard" |
| 13 | "github.com/carlosframework/platform/internal/hostwrite" |
| 14 | "github.com/carlosframework/platform/internal/moves" |
| 15 | "github.com/carlosframework/platform/internal/park" |
| 16 | "github.com/carlosframework/platform/internal/registry" |
| 17 | "github.com/carlosframework/platform/internal/release" |
| 18 | "github.com/carlosframework/platform/internal/rootstate" |
| 19 | ) |
| 20 | |
| 21 | // WithProductionMovesHeldRelease adds the moves held-release route (Task |
| 22 | // 7b) to the claim-mode root handler WithProductionClaimLaunch returned, |
| 23 | // only while CARLOS_MOVES_PHASE1 is on; otherwise the handler is returned |
| 24 | // unchanged and the route refuses, exactly main's behaviour. It reuses the |
| 25 | // claim root's peer authentication and the assembly's roster identity, |
| 26 | // guard, policy and local authority, and builds root's held-release |
| 27 | // selection from them as the assembly builds the agent's (Build's |
| 28 | // WorkSource, without Prepare: participation is the agent's). A release |
| 29 | // key that does not parse leaves the route unwired, so every request is |
| 30 | // refused and T7 says MV-N455: fail closed, without stopping |
| 31 | // instance-control. |
| 32 | func WithProductionMovesHeldRelease(ctx context.Context, handler http.Handler, reg *registry.Registry, getenv func(string) string) (http.Handler, error) { |
| 33 | if !moves.Enabled(getenv) { |
| 34 | return handler, nil |
| 35 | } |
| 36 | root, ok := handler.(ClaimRootWithLaunch) |
| 37 | if !ok { |
| 38 | return nil, ErrClaimStopUnavailable |
| 39 | } |
| 40 | entry, _ := ctx.Value(claimEntryKey{}).(claimEntry) |
| 41 | a := entry.Assembly |
| 42 | if a == nil || entry.Store == nil || reg == nil || a.Guard.Root == nil || a.Guard.DataDir == "" || !filepath.IsAbs(a.ManagedRoots["opt"]) || root.Root.Stop.Authenticate == nil { |
| 43 | return nil, &ClaimDependencyError{Contracts: []string{"moves Task 7b held release: production claim assembly, registry and root peer authentication"}} |
| 44 | } |
| 45 | pub, err := release.ParsePublicKey(getenv("CARLOS_RELEASE_PUBKEY"), "CARLOS_RELEASE_PUBKEY") |
| 46 | if err != nil { |
| 47 | log.Printf("moves: held releases are refused: %v", err) |
| 48 | return root, nil |
| 49 | } |
| 50 | store := entry.Store |
| 51 | guard := a.Guard |
| 52 | guard.Claims = hostguard.StoreReader{Store: store} |
| 53 | optDir, dataDir := a.ManagedRoots["opt"], a.Guard.DataDir |
| 54 | policy, identity, local := a.Policy, a.Identity, a.Local |
| 55 | var continues func(kind, from, to string) bool |
| 56 | if a.Wake != nil { |
| 57 | continues = a.Wake.Continue |
| 58 | } |
| 59 | root.HeldRelease = &movesHeldReleaseRoot{ |
| 60 | generationPins: productionRootGenerationPins(), |
| 61 | OpenRelease: func() (rootstate.Store, error) { return rootstate.Open(rootReleasePrivate, true, false) }, |
| 62 | Authenticate: root.Root.Stop.Authenticate, |
| 63 | Actor: identity.Verify, |
| 64 | Store: store, |
| 65 | Claims: func(ctx context.Context, host string) (hostclaim.Observed, error) { |
| 66 | return hostclaim.Read(ctx, store, host) |
| 67 | }, |
| 68 | Records: MovesRecordsFrom(store), |
| 69 | Route: reg.Get, |
| 70 | Works: func(ctx context.Context, actor hostbox.Actor, host, action string) (hostwrite.Work, error) { |
| 71 | return hostbox.WorkSource{FleetHomeRegion: actor.FleetHomeRegion, HomeRegion: actor.HomeRegion, Guard: guard, Box: actor.Box, |
| 72 | Region: park.PlacementRegion(actor.Region), Now: time.Now, Policy: policy.Check, Local: identity.Local(local), Continue: continues}.Select(ctx, host, action) |
| 73 | }, |
| 74 | Selected: hostbox.Selected, |
| 75 | Pub: pub, |
| 76 | Ratchet: func() *release.DigestRatchet { return pointerRatchet(true, optDir, dataDir, getenv) }, |
| 77 | Proof: func() *release.ProofGate { return release.NewRootProofGate(release.ProofPolicyPath, dataDir) }, |
| 78 | OptDir: optDir, |
| 79 | DataDir: dataDir, |
| 80 | ReceiptDir: heldReleaseReceiptDir, |
| 81 | } |
| 82 | return root, nil |
| 83 | } |
| 84 | |
amadan