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45 lines
1.4 KiB
Markdown
45 lines
1.4 KiB
Markdown
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# Authorization (Cedar policy)
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OmniGraph integrates AWS Cedar (`cedar-policy = 4.9`) for ABAC.
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## Policy actions
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1. `read` — query / snapshot / list branches & commits
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2. `export` — NDJSON export
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3. `change` — mutations
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4. `schema_apply` — apply schema migrations
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5. `branch_create`
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6. `branch_delete`
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7. `branch_merge`
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8. `run_publish`
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9. `run_abort`
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10. `admin` — reserved
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## Scope kinds
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- `branch_scope` — applied to source branch (`read`, `export`, `change`)
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- `target_branch_scope` — applied to destination (`schema_apply`, branch ops, run ops)
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- `protected_branches` — named list with special rules; rule scopes are `any | protected | unprotected`
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## Configuration
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`omnigraph.yaml`:
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```yaml
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policy:
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file: ./policy.yaml # Cedar rules + groups
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tests: ./policy.tests.yaml # declarative test cases
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```
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Each rule must use exactly one of `branch_scope` or `target_branch_scope`.
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## CLI
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- `omnigraph policy validate` — parse + count actors, exit 1 on parse error.
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- `omnigraph policy test` — run cases in `policy.tests.yaml`, exit 1 on any expectation mismatch.
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- `omnigraph policy explain --actor … --action … [--branch …] [--target-branch …]` — show decision and matched rule.
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## Server enforcement
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Every mutating endpoint calls `authorize_request()` *before* the handler runs; decisions are logged with actor / action / branch / outcome / matched rule.
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