* API: Add reqSignedIn to router groups
* AuthN: Add fall through in context handler
* AuthN: Add IsAnonymous field
* AuthN: add priority to context aware clients
* ContextHandler: Add comment
* AuthN: Add a simple priority queue
* AuthN: Add Name to client interface
* AuthN: register clients with function
* AuthN: update mock and fake to implement interface
* AuthN: rewrite test without reflection
* AuthN: add comment
* AuthN: fix queue insert
* AuthN: rewrite tests
* AuthN: make the queue generic so we can reuse it for hooks
* ContextHandler: Add fixme for auth headers
* AuthN: remove unused variable
* AuthN: use multierror
* AuthN: write proper tests for queue
* AuthN: Add queue item that can store the value and priority
Co-authored-by: Jo <joao.guerreiro@grafana.com>
* AuthN: Replicate functionallity to get org id for request
* Authn: parse org id for the request and populate the auth request with
it
* AuthN: add simple mock for client to use in test
* AuthN: add tests to verify that authentication is called with correct
org id
* AuthN: Add ClientParams to mock
* AuthN: Fix flaky org id selection
* AuthN: Add functionallity to test if auth client should be used
* AuthN: Add bolierplate client for api keys and register it
* AuthN: Add tests for api key client
* Inject service
* AuthN: Update client names
* ContextHandler: Set authn service
* AuthN: Implement authentication for api key client
* ContextHandler: Use authn service for api keys if flag is enabled
* AuthN: refactor authentication method to return additional value to
indicate if client could perform authentication
* update prefixes
* Add namespaced id to identity
* AuthN: Expand the Identity struct to include required fields from signed
in user
* Add error for disabled service account
* Add function to write error response based on errutil.Error
* Add error to log
* Return errors based on errutil.Error
* pass error
* update log message
* Fix namespaced ids
* Add tests
* Lint
