procurement-ingest/docs/shoc-webhook-test-vectors.json
Adam Moussa eb56d39b93
feat(webhook): SHOC WO webhook emitter — dark-ship streams, HMAC secret + rotation
Implements docs/shoc-webhook-plan.md Phases 1-5 (PR-2 of the SHOC
call-and-be-called effort). Everything ships DARK: both DynamoDB event
source mappings deploy enabled=False; activation is a deliberate
one-line follow-up PR gated on the SHOC receiver passing the shared
HMAC test vectors.

- Streams: NEW_AND_OLD_IMAGES on WorkOrders + WorkOrderComments
  (in-place update, RETAIN + logical IDs untouched; no existing
  consumers — verified live, neither table had a stream).
- workorder-shoc-emitter (Py3.12/ARM64): stream -> envelope ->
  HMAC-signed POST per docs/shoc-webhook-contract.md; strict per-shard
  ordering (parallelization 1, bisect off, retry until 24h age,
  ReportBatchItemFailures); 429/5xx/timeout block the shard in order,
  other 4xx park to workorder-shoc-emitter-rejected; ESM failures ->
  workorder-shoc-emitter-failures (metadata; replay rebuilds from
  DynamoDB). Echo guard skips write_origin=shoc-write-api.
- Secret workorder-ingest/shoc-webhook-hmac on a dedicated CMK
  (alias workorder-ingest-shoc-webhook-kms); cross-account
  GetSecretValue/DescribeSecret + kms:Decrypt granted to exactly
  arn:aws:iam::396287094661:role/shoc-backend-dev. RemovalPolicy
  DESTROY deliberately (machine-generated material; avoids the
  fixed-name RETAIN-orphan deadlock).
- workorder-shoc-hmac-rotator: 30-day rotation, dual-key overlap,
  64-hex keys, kid = UTC %Y-%m-%dT%H.
- Alarms (ALARM-only -> site-alerts): emitter errors/throttles/
  duration + iterator-age (>=10 min) + failures/rejected queue
  depth; rotator standard trio.
- scripts/replay_shoc_webhooks.py: dry-run-default operator replay
  (rebuilds from tables, replay:true envelopes).
- Tests: 742 passing, 85.56% aggregate; golden HMAC vectors shared
  with SHOC in docs/shoc-webhook-test-vectors.json (emitter + replay
  signing pinned to identical vectors); bundle-consistency AST pins
  for both new bundles.
- README: WO stack + webhook feed section, alarm table, runbooks;
  removed stale seahaven-slack-bot consumer references.
2026-07-24 14:54:07 -04:00

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{
"_readme": "Shared HMAC signing test vectors for the SHOC work-order webhook (docs/shoc-webhook-contract.md section 6). string_to_sign = \"{timestamp}.{raw_body}\" computed over the RAW UTF-8 body bytes; signature = lowercase hex of HMAC-SHA256(secret, string_to_sign), sent as header X-SH-Signature: \"v1=<hex>\" alongside X-SH-Timestamp: <unix seconds> and X-SH-Key-Id: <kid>. The HMAC key is the UTF-8 bytes of the 64-hex 'secret' string exactly as stored in the workorder-ingest/shoc-webhook-hmac secret (NO hex-decoding on either side). 'body' is the exact raw JSON string to sign, byte-for-byte: vector 2 contains non-ASCII UTF-8 (multi-byte characters must be signed as their UTF-8 bytes), vector 3 is an empty JSON object. Producer pins: lambdas/wo/shoc_emitter/delivery.py sign_body and scripts/replay_shoc_webhooks.py sign_body, both enforced by tests/test_shoc_emitter_delivery.py. The SHOC receiver should verify its implementation against every vector before activation.",
"vectors": [
{
"kid": "2026-07-20T00",
"secret_hex": "3afc6cf9cc5782b304fda7efa7f0a77c4b67ab7336536daa228960dae34aa2fe",
"timestamp": 1784642602,
"body": "{\"schema_version\": 1, \"delivery_id\": \"f2a9c1de-7b34-4d5c-9e01-8a6b5c4d3e2f\", \"event_type\": \"work_order.created\", \"occurred_at\": \"2026-07-16T14:03:22.114208+00:00\", \"source\": \"procurement-ingest/workorder-shoc-emitter\", \"replay\": false, \"data\": {\"work_order_id\": \"11144580730\", \"wo_status\": \"new\", \"description\": \"Dock door 14 won't close\", \"customer\": \"AMAZON\", \"site_code\": \"JFK8\", \"building\": \"JFK8\", \"address\": \"546 Gulf Ave, Staten Island, NY 10314\", \"severity\": \"3-Normal\", \"priority\": \"Medium\", \"assigned_to\": \"Sea Haven Industries\", \"date_reported\": \"2026-07-14T09:12:00\", \"scheduled_start\": null, \"due_date\": null, \"record_type\": \"new_work_order\", \"created_at\": \"2026-07-16T14:03:22.114208+00:00\", \"updated_at\": \"2026-07-16T14:03:22.114208+00:00\"}}",
"expected_signature": "4e6e171480e80eed333c966743c9da46595df86b4b65b76926e0781d2d3b0b46"
},
{
"kid": "2026-07-20T00",
"secret_hex": "3afc6cf9cc5782b304fda7efa7f0a77c4b67ab7336536daa228960dae34aa2fe",
"timestamp": 1784642700,
"body": "{\"schema_version\": 1, \"delivery_id\": \"0d1e2f3a-4b5c-6d7e-8f90-a1b2c3d4e5f6\", \"event_type\": \"work_order.comment_added\", \"occurred_at\": \"2026-07-16T14:05:00+00:00\", \"source\": \"procurement-ingest/workorder-shoc-emitter\", \"replay\": true, \"data\": {\"work_order_id\": \"11144580730\", \"comment_id\": \"11144580730#2026-04-27T23:51:48#a1b2c3d4e5f6\", \"record_type\": \"comment\", \"commenter\": \"APM Technician\", \"text\": \"Vendor dispatched — café access via süd door ✓\", \"created_at\": \"2026-04-27T23:51:48\", \"ingested_at\": \"2026-07-16T14:05:00+00:00\"}}",
"expected_signature": "6b61d5ac09bbf032b1a9c9b651bd7d5ea2ec925f94a857eeade52995801479e5"
},
{
"kid": "2026-06-20T00",
"secret_hex": "737719b2c437aa252a0db5f65411f828f244d403f7e625f7336da10ee985b2e4",
"timestamp": 1784000000,
"body": "{}",
"expected_signature": "ebe65980194b494c8de8d40cd6b8a42ff64c26749cf40fc6f36f59426dafa3c7"
},
{
"kid": "2026-06-20T00",
"secret_hex": "737719b2c437aa252a0db5f65411f828f244d403f7e625f7336da10ee985b2e4",
"timestamp": 1784650000,
"body": "{\"schema_version\": 1, \"event_type\": \"work_order.updated\", \"data\": {\"work_order_id\": \"999\"}}",
"expected_signature": "626c5d241887c6186fe021907b1a67a0f14ff2286d19df97785a33994c56ca54"
}
]
}