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| author | mo khan <mo@mokhan.ca> | 2025-07-17 12:37:14 -0600 |
|---|---|---|
| committer | mo khan <mo@mokhan.ca> | 2025-07-17 12:37:14 -0600 |
| commit | 814a864184affab624f7d1e5314cd1f55d72b90c (patch) | |
| tree | 0271aea841154d214471427bfcfa9d928636749e /share | |
| parent | 09e0702b7519fd06f6ba953eabae1b838896158b (diff) | |
refactor: remove cedar
Diffstat (limited to 'share')
| -rw-r--r-- | share/man/cedar/README.md | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/share/man/cedar/README.md b/share/man/cedar/README.md deleted file mode 100644 index ec665d69..00000000 --- a/share/man/cedar/README.md +++ /dev/null @@ -1,125 +0,0 @@ -# Cedar Authorization Guide - -Cedar provides policy-based authorization using Amazon's Cedar policy -language. This service handles request authorization through Envoy's -`ext_authz` filter. - -## Architecture - -``` -+---------------------------------------------------------------------+ -| Client Request | -+---------------------------------------------------------------------+ - │ - V -+---------------------------------------------------------------------+ -│ Envoy Proxy (:20000) | -│ | -│ * JWT Filter extracts x-jwt-claim-sub header | -│ * ext_authz sends CheckRequest to authzd | -+---------------------------------------------------------------------+ - | ext_authz - V - +---------------------+ - | authzd (:50052) | - | | - | +-----------------+ | - | | Cedar Policies | | - | | * Static Assets | | - | | * JWT Claims | | - | | * Path Rules | | - | +-----------------+ | - +---------------------+ -``` - -## Authorization Flow - -``` - Client Envoy authzd - | | | - | HTTP Request + JWT | | - |---------------------->| | - | | Extract JWT claims | - | | Add x-jwt-claim-sub | - | | | - | | ext_authz CheckRequest | - | |----------------------->| - | | | - | | | Evaluate - | | | Cedar - | | | policies - | | Allow/Deny | - | |<-----------------------| - | | | - | Forward request | | - | or 403 Forbidden | | - |<----------------------| | -``` - -## Cedar Policies - -### Policy Structure - -Policies are stored in `etc/authzd/*.cedar` files using Cedar's policy language: - -```cedar -permit ( - principal == User::"1", - action == Action::"GET", - resource == Resource::"/sparkle/" -) -when -{ - context has host && - context.host == "sparkle.staging.runway.gitlab.net" && - principal has username -}; -``` - -## JWT Integration - -### JWT Header Extraction - -Envoy's JWT filter extracts claims and adds them as headers: - -- `x-jwt-claim-sub` - User ID (subject) - -## Policy Development - -### Adding New Policies - -1. Create or edit `.cedar` files in `etc/authzd/` -2. Use Cedar policy syntax for rules -3. Test with `make test` -4. Validate with `make lint` - -### Policy Validation - -```bash -# Check policy syntax -cedar check-parse --policies etc/authzd/policy1.cedar - -# Format policies -cedar format --policies etc/authzd/policy1.cedar --check -``` - -### Testing Policies - -```bash -# Run Cedar authorization tests -cargo test authorization::cedar_authorizer_test - -# Test specific scenarios -cargo test test_sparkle_homepage -``` - -## Make Targets - -- `make test` - Run all tests including Cedar policy tests -- `make lint` - Validate Cedar policy syntax and formatting - -## References - -- [Cedar Policy Language](https://docs.cedarpolicy.com/) -- [Cedar Language Guide](https://docs.cedarpolicy.com/policies/syntax.html) -- [Envoy JWT Authentication](https://www.envoyproxy.io/docs/envoy/latest/configuration/http/http_filters/jwt_authn_filter) |