Make user keys endpoint specs passjr/pedant-keys

- Add UserKeyEndpoint; handles GET/DELETE/PUT
  `/user_keys/USERNAME/keys/KEY_NAME`.

- Add UserKeysEndpoint; handles GET, POST `/user_keys/USERNAME`.

- RestBase
  - Add some docs.
  - #json_response
    - Move `request_version` and `response_version` params into options
      hash.
    - Accept `:headers` option for additional headers to be set on
      response.
  - #already_json_response: #json_response

- RestObjectEndpoint
  - Add some docs.
  - Move some repeated logic into methods (`identity_key_value`,
    `is_rename?`).
  - #patch_request_body: Add `:except` option to allow skipping keys not
    wanted in output.

- ActorsEndpoint
  - #post: Store `public_key` in store under
    `user_keys/USERNAME/keys/default` instead of with user.

- ActorEndpoint
  - #delete: Delete user keys when user is deleted.
  - #put: Store `public_key` in store under `user_keys` as above.
  - #populate_defaults: Retrieve user's default `public_key` from store
    and merge with user response.

- OrganizationUserEndpoint
  - #get: Retrieve user's default `public_key` from store and merge with
    user response.

- PrincipalEndpont
  - #get
    - Retrieve user's default `public_key` from store and merge with
      user response.
    - Refactor complex nested `if`s.

1 files changed, 32 insertions, 0 deletions

diff --git a/lib/chef_zero/endpoints/user_key_endpoint.rb b/lib/chef_zero/endpoints/user_key_endpoint.rb
new file mode 100644
index 0000000..4e4872b
--- /dev/null
+++ b/lib/chef_zero/endpoints/user_key_endpoint.rb
@@ -0,0 +1,32 @@
+require 'ffi_yajl'
+require 'chef_zero/rest_base'
+
+module ChefZero
+  module Endpoints
+    # /users/USER/keys/NAME
+    class UserKeyEndpoint < RestBase
+      def get(request)
+        path = [ "user_keys", *request.rest_path[1..-1] ]
+        already_json_response(200, get_data(request, path))
+      end
+
+      def delete(request)
+        path = [ "user_keys", *request.rest_path[1..-1] ]
+
+        data = get_data(request, path)
+        delete_data(request, path)
+
+        already_json_response(200, data)
+      end
+
+      def put(request)
+        path = [ "user_keys", *request.rest_path[1..-1] ]
+
+        # We grab the old data to trigger a 404 if it doesn't exist
+        get_data(request, path)
+
+        set_data(request, path, request.body)
+      end
+    end
+  end
+end