feat: add activity logs on user actions with authentication, resource… (#6748)

* feat: add activity logs on user actions with authentication, resourceAPI and sessionAPI

* feat: add activity logs on user actions with authentication, resourceAPI and sessionAPI

* feat: add activity logs on user actions with authentication, resourceAPI and sessionAPI

* feat: add activity logs on user actions with authentication, resourceAPI and sessionAPI

* feat: add activity logs on user actions with authentication, resourceAPI and sessionAPI

* fix: add unit tests to info package for context changes

* fix: add activity_interceptor.go suggestion

Co-authored-by: Tim Möhlmann <tim+github@zitadel.com>

* fix: refactoring and fixes through PR review

* fix: add auth service to lists of resourceAPIs

---------

Co-authored-by: Tim Möhlmann <tim+github@zitadel.com>
Co-authored-by: Fabi <fabienne@zitadel.com>

internal/api/grpc/server/middleware/activity_interceptor.go

@@ -0,0 +1,35 @@
+package middleware
+
+import (
+	"context"
+	"slices"
+	"strings"
+
+	"google.golang.org/grpc"
+
+	"github.com/zitadel/zitadel/internal/activity"
+)
+
+func ActivityInterceptor() grpc.UnaryServerInterceptor {
+	return func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
+		resp, err := handler(ctx, req)
+		if isResourceAPI(info.FullMethod) {
+			activity.TriggerWithContext(ctx, activity.ResourceAPI)
+		}
+		return resp, err
+	}
+}
+
+var resourcePrefixes = []string{
+	"/zitadel.management.v1.ManagementService/",
+	"/zitadel.admin.v1.AdminService/",
+	"/zitadel.user.v2beta.UserService/",
+	"/zitadel.settings.v2beta.SettingsService/",
+	"/zitadel.auth.v1.AuthService/",
+}
+
+func isResourceAPI(method string) bool {
+	return slices.ContainsFunc(resourcePrefixes, func(prefix string) bool {
+		return strings.HasPrefix(method, prefix)
+	})
+}