fix openziti/ziti#3352 adds api session ressumption to edge_apis

adds method type, ApiSession interface JSON wrapper

- adds string alias type AuthMethod
- adds AuthMethodEmpty as a sentinal type
- adds ApiSessionJsonWrapper to allow direct (un)marshalling of
  ApiSession via interface
- adds the ability to provide custom http client and transports
- adds an inline OAuth2/OIDC rp token authentication
- update redirect URI handling, ensure default uses ported value

Author: andrewpmartinez

edge-apis/api_session.go

@@ -0,0 +1,33 @@
+package edge_apis
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func Test_ApiSessionMarshalling(t *testing.T) {
+
+	t.Run("test marshalling", func(t *testing.T) {
+		req := require.New(t)
+		type testStruct struct {
+			ApiSession ApiSessionJsonWrapper `json:"apiSession"`
+		}
+
+		test := &testStruct{
+			ApiSession: ApiSessionJsonWrapper{
+				ApiSession: NewApiSessionOidc("access", "refresh"),
+			},
+		}
+
+		testJson, err := json.Marshal(test)
+		req.NoError(err)
+
+		testUnmarhsal := &testStruct{}
+
+		err = json.Unmarshal(testJson, testUnmarhsal)
+		req.NoError(err)
+		req.Equal(test.ApiSession.ApiSession.GetToken(), testUnmarhsal.ApiSession.ApiSession.GetToken())
+	})
+}