Modify the request 'Accept' header to behave more like a web browser,
and add an assertion to verify that Pomerium serves an HTML response for
the unauthorized error page.
* databroker: add databroker, identity manager, update cache (#864)
* databroker: add databroker, identity manager, update cache
* fix cache tests
* directory service (#885)
* directory: add google and okta
* add onelogin
* add directory provider
* initialize before sync, upate google provider, remove dead code
* add azure provider
* fix azure provider
* fix gitlab
* add gitlab test, fix azure test
* hook up okta
* remove dead code
* fix tests
* fix flaky test
* authorize: use databroker data for rego policy (#904)
* wip
* add directory provider
* initialize before sync, upate google provider, remove dead code
* fix flaky test
* update authorize to use databroker data
* implement signed jwt
* wait for session and user to appear
* fix test
* directory service (#885)
* directory: add google and okta
* add onelogin
* add directory provider
* initialize before sync, upate google provider, remove dead code
* add azure provider
* fix azure provider
* fix gitlab
* add gitlab test, fix azure test
* hook up okta
* remove dead code
* fix tests
* fix flaky test
* remove log line
* only redirect when no session id exists
* prepare rego query as part of create
* return on ctx done
* retry on disconnect for sync
* move jwt signing
* use !=
* use parent ctx for wait
* remove session state, remove logs
* rename function
* add log message
* pre-allocate slice
* use errgroup
* return nil on eof for sync
* move check
* disable timeout on gRPC requests in envoy
* fix gitlab test
* use v4 backoff
* authenticate: databroker changes (#914)
* wip
* add directory provider
* initialize before sync, upate google provider, remove dead code
* fix flaky test
* update authorize to use databroker data
* implement signed jwt
* wait for session and user to appear
* fix test
* directory service (#885)
* directory: add google and okta
* add onelogin
* add directory provider
* initialize before sync, upate google provider, remove dead code
* add azure provider
* fix azure provider
* fix gitlab
* add gitlab test, fix azure test
* hook up okta
* remove dead code
* fix tests
* fix flaky test
* remove log line
* only redirect when no session id exists
* prepare rego query as part of create
* return on ctx done
* retry on disconnect for sync
* move jwt signing
* use !=
* use parent ctx for wait
* remove session state, remove logs
* rename function
* add log message
* pre-allocate slice
* use errgroup
* return nil on eof for sync
* move check
* disable timeout on gRPC requests in envoy
* fix dashboard
* delete session on logout
* permanently delete sessions once they are marked as deleted
* remove permanent delete
* fix tests
* remove groups and refresh test
* databroker: remove dead code, rename cache url, move dashboard (#925)
* wip
* add directory provider
* initialize before sync, upate google provider, remove dead code
* fix flaky test
* update authorize to use databroker data
* implement signed jwt
* wait for session and user to appear
* fix test
* directory service (#885)
* directory: add google and okta
* add onelogin
* add directory provider
* initialize before sync, upate google provider, remove dead code
* add azure provider
* fix azure provider
* fix gitlab
* add gitlab test, fix azure test
* hook up okta
* remove dead code
* fix tests
* fix flaky test
* remove log line
* only redirect when no session id exists
* prepare rego query as part of create
* return on ctx done
* retry on disconnect for sync
* move jwt signing
* use !=
* use parent ctx for wait
* remove session state, remove logs
* rename function
* add log message
* pre-allocate slice
* use errgroup
* return nil on eof for sync
* move check
* disable timeout on gRPC requests in envoy
* fix dashboard
* delete session on logout
* permanently delete sessions once they are marked as deleted
* remove permanent delete
* fix tests
* remove cache service
* remove kv
* remove refresh docs
* remove obsolete cache docs
* add databroker url option
* cache: use memberlist to detect multiple instances
* add databroker service url
* remove cache service
* remove kv
* remove refresh docs
* remove obsolete cache docs
* add databroker url option
* cache: use memberlist to detect multiple instances
* add databroker service url
* wip
* remove groups and refresh test
* fix redirect, signout
* remove databroker client from proxy
* remove unused method
* remove user dashboard test
* handle missing session ids
* session: reject sessions with no id
* sessions: invalidate old sessions via databroker server version (#930)
* session: add a version field tied to the databroker server version that can be used to invalidate sessions
* fix tests
* add log
* authenticate: create user record immediately, call "get" directly in authorize (#931)
* authorize: add support for .pomerium and unauthenticated routes
integration-tests: add test for forward auth dashboard urls
* proxy: fix ctx error test to return a 200 when authorize allows it
