chore: Move httpapi, httpmw, & database into coderd (#568)

* chore: Move httpmw to /coderd directory
httpmw is specific to coderd and should be scoped under coderd

* chore: Move httpapi to /coderd directory
httpapi is specific to coderd and should be scoped under coderd

* chore: Move database  to /coderd directory
database is specific to coderd and should be scoped under coderd

* chore: Update codecov & gitattributes for generated files
* chore: Update Makefile

coderd/httpmw/workspaceagent_test.go

@@ -0,0 +1,73 @@
+package httpmw_test
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/require"
+
+	"github.com/coder/coder/coderd/database"
+	"github.com/coder/coder/coderd/database/databasefake"
+	"github.com/coder/coder/coderd/httpmw"
+)
+
+func TestWorkspaceAgent(t *testing.T) {
+	t.Parallel()
+
+	setup := func(db database.Store) (*http.Request, uuid.UUID) {
+		token := uuid.New()
+		r := httptest.NewRequest("GET", "/", nil)
+		r.AddCookie(&http.Cookie{
+			Name:  httpmw.AuthCookie,
+			Value: token.String(),
+		})
+		return r, token
+	}
+
+	t.Run("None", func(t *testing.T) {
+		t.Parallel()
+		db := databasefake.New()
+		rtr := chi.NewRouter()
+		rtr.Use(
+			httpmw.ExtractWorkspaceAgent(db),
+		)
+		rtr.Get("/", nil)
+		r, _ := setup(db)
+		rw := httptest.NewRecorder()
+		rtr.ServeHTTP(rw, r)
+
+		res := rw.Result()
+		defer res.Body.Close()
+		require.Equal(t, http.StatusUnauthorized, res.StatusCode)
+	})
+
+	t.Run("Found", func(t *testing.T) {
+		t.Parallel()
+		db := databasefake.New()
+		rtr := chi.NewRouter()
+		rtr.Use(
+			httpmw.ExtractWorkspaceAgent(db),
+		)
+		rtr.Get("/", func(rw http.ResponseWriter, r *http.Request) {
+			_ = httpmw.WorkspaceAgent(r)
+			rw.WriteHeader(http.StatusOK)
+		})
+		r, token := setup(db)
+		_, err := db.InsertWorkspaceAgent(context.Background(), database.InsertWorkspaceAgentParams{
+			ID:        uuid.New(),
+			AuthToken: token,
+		})
+		require.NoError(t, err)
+		require.NoError(t, err)
+		rw := httptest.NewRecorder()
+		rtr.ServeHTTP(rw, r)
+
+		res := rw.Result()
+		defer res.Body.Close()
+		require.Equal(t, http.StatusOK, res.StatusCode)
+	})
+}