Plugins: Use plugins SDK constants for OAuth header names (#90892)

use SDK consts

pkg/services/pluginsintegration/clientmiddleware/oauthtoken_middleware.go

@@ -27,11 +27,6 @@ func NewOAuthTokenMiddleware(oAuthTokenService oauthtoken.OAuthTokenService) plu
 	})
 }
 
-const (
-	tokenHeaderName   = "Authorization"
-	idTokenHeaderName = "X-ID-Token"
-)
-
 type OAuthTokenMiddleware struct {
 	baseMiddleware
 	oAuthTokenService oauthtoken.OAuthTokenService
@@ -69,19 +64,19 @@ func (m *OAuthTokenMiddleware) applyToken(ctx context.Context, pCtx backend.Plug
 
 			switch t := req.(type) {
 			case *backend.QueryDataRequest:
-				t.Headers[tokenHeaderName] = authorizationHeader
+				t.Headers[backend.OAuthIdentityTokenHeaderName] = authorizationHeader
 				if idTokenHeader != "" {
-					t.Headers[idTokenHeaderName] = idTokenHeader
+					t.Headers[backend.OAuthIdentityIDTokenHeaderName] = idTokenHeader
 				}
 			case *backend.CheckHealthRequest:
-				t.Headers[tokenHeaderName] = authorizationHeader
+				t.Headers[backend.OAuthIdentityTokenHeaderName] = authorizationHeader
 				if idTokenHeader != "" {
-					t.Headers[idTokenHeaderName] = idTokenHeader
+					t.Headers[backend.OAuthIdentityIDTokenHeaderName] = idTokenHeader
 				}
 			case *backend.CallResourceRequest:
-				t.Headers[tokenHeaderName] = []string{authorizationHeader}
+				t.Headers[backend.OAuthIdentityTokenHeaderName] = []string{authorizationHeader}
 				if idTokenHeader != "" {
-					t.Headers[idTokenHeaderName] = []string{idTokenHeader}
+					t.Headers[backend.OAuthIdentityIDTokenHeaderName] = []string{idTokenHeader}
 				}
 			}
 		}

pkg/services/pluginsintegration/clientmiddleware/oauthtoken_middleware_test.go

@@ -112,8 +112,8 @@ func TestOAuthTokenMiddleware(t *testing.T) {
 			require.NotNil(t, cdt.QueryDataReq)
 			require.Len(t, cdt.QueryDataReq.Headers, 3)
 			require.Equal(t, "test", cdt.QueryDataReq.Headers[otherHeader])
-			require.Equal(t, "Bearer access-token", cdt.QueryDataReq.Headers[tokenHeaderName])
-			require.Equal(t, "id-token", cdt.QueryDataReq.Headers[idTokenHeaderName])
+			require.Equal(t, "Bearer access-token", cdt.QueryDataReq.Headers[backend.OAuthIdentityTokenHeaderName])
+			require.Equal(t, "id-token", cdt.QueryDataReq.Headers[backend.OAuthIdentityIDTokenHeaderName])
 		})
 
 		t.Run("Should forward OAuth Identity when calling CallResource", func(t *testing.T) {
@@ -125,10 +125,10 @@ func TestOAuthTokenMiddleware(t *testing.T) {
 			require.NotNil(t, cdt.CallResourceReq)
 			require.Len(t, cdt.CallResourceReq.Headers, 3)
 			require.Equal(t, "test", cdt.CallResourceReq.Headers[otherHeader][0])
-			require.Len(t, cdt.CallResourceReq.Headers[tokenHeaderName], 1)
-			require.Equal(t, "Bearer access-token", cdt.CallResourceReq.Headers[tokenHeaderName][0])
-			require.Len(t, cdt.CallResourceReq.Headers[idTokenHeaderName], 1)
-			require.Equal(t, "id-token", cdt.CallResourceReq.Headers[idTokenHeaderName][0])
+			require.Len(t, cdt.CallResourceReq.Headers[backend.OAuthIdentityTokenHeaderName], 1)
+			require.Equal(t, "Bearer access-token", cdt.CallResourceReq.Headers[backend.OAuthIdentityTokenHeaderName][0])
+			require.Len(t, cdt.CallResourceReq.Headers[backend.OAuthIdentityIDTokenHeaderName], 1)
+			require.Equal(t, "id-token", cdt.CallResourceReq.Headers[backend.OAuthIdentityIDTokenHeaderName][0])
 		})
 
 		t.Run("Should forward OAuth Identity when calling CheckHealth", func(t *testing.T) {
@@ -140,8 +140,8 @@ func TestOAuthTokenMiddleware(t *testing.T) {
 			require.NotNil(t, cdt.CheckHealthReq)
 			require.Len(t, cdt.CheckHealthReq.Headers, 3)
 			require.Equal(t, "test", cdt.CheckHealthReq.Headers[otherHeader])
-			require.Equal(t, "Bearer access-token", cdt.CheckHealthReq.Headers[tokenHeaderName])
-			require.Equal(t, "id-token", cdt.CheckHealthReq.Headers[idTokenHeaderName])
+			require.Equal(t, "Bearer access-token", cdt.CheckHealthReq.Headers[backend.OAuthIdentityTokenHeaderName])
+			require.Equal(t, "id-token", cdt.CheckHealthReq.Headers[backend.OAuthIdentityIDTokenHeaderName])
 		})
 	})
 }