Persist management URL and pre-shared key overrides on login

client/server/login_overrides_test.go

@@ -0,0 +1,93 @@
+package server
+
+import (
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/netbirdio/netbird/client/internal/profilemanager"
+)
+
+func TestPersistLoginOverrides(t *testing.T) {
+	strPtr := func(s string) *string { return &s }
+
+	tests := []struct {
+		name           string
+		initialMgmtURL string
+		initialPSK     string
+		newMgmtURL     string
+		newPSK         *string
+		wantMgmtURL    string
+		wantPSK        string
+	}{
+		{
+			name:           "persist new management URL",
+			initialMgmtURL: "https://old.example.com:33073",
+			newMgmtURL:     "https://new.example.com:33073",
+			wantMgmtURL:    "https://new.example.com:33073",
+		},
+		{
+			name:           "persist new pre-shared key",
+			initialMgmtURL: "https://existing.example.com:33073",
+			initialPSK:     "old-key",
+			newPSK:         strPtr("new-key"),
+			wantMgmtURL:    "https://existing.example.com:33073",
+			wantPSK:        "new-key",
+		},
+		{
+			name:           "persist both",
+			initialMgmtURL: "https://old.example.com:33073",
+			initialPSK:     "old-key",
+			newMgmtURL:     "https://new.example.com:33073",
+			newPSK:         strPtr("new-key"),
+			wantMgmtURL:    "https://new.example.com:33073",
+			wantPSK:        "new-key",
+		},
+		{
+			name:           "no inputs preserves existing",
+			initialMgmtURL: "https://existing.example.com:33073",
+			initialPSK:     "existing-key",
+			wantMgmtURL:    "https://existing.example.com:33073",
+			wantPSK:        "existing-key",
+		},
+		{
+			name:           "empty PSK pointer is ignored",
+			initialMgmtURL: "https://existing.example.com:33073",
+			initialPSK:     "existing-key",
+			newPSK:         strPtr(""),
+			wantMgmtURL:    "https://existing.example.com:33073",
+			wantPSK:        "existing-key",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			origDefault := profilemanager.DefaultConfigPath
+			t.Cleanup(func() { profilemanager.DefaultConfigPath = origDefault })
+
+			dir := t.TempDir()
+			profilemanager.DefaultConfigPath = filepath.Join(dir, "default.json")
+
+			seed := profilemanager.ConfigInput{
+				ConfigPath:    profilemanager.DefaultConfigPath,
+				ManagementURL: tt.initialMgmtURL,
+			}
+			if tt.initialPSK != "" {
+				seed.PreSharedKey = strPtr(tt.initialPSK)
+			}
+			_, err := profilemanager.UpdateOrCreateConfig(seed)
+			require.NoError(t, err, "seed config")
+
+			activeProf := &profilemanager.ActiveProfileState{Name: "default"}
+			err = persistLoginOverrides(activeProf, tt.newMgmtURL, tt.newPSK)
+			require.NoError(t, err, "persistLoginOverrides")
+
+			cfg, err := profilemanager.ReadConfig(profilemanager.DefaultConfigPath)
+			require.NoError(t, err, "read back config")
+
+			require.Equal(t, tt.wantMgmtURL, cfg.ManagementURL.String(), "management URL")
+			require.Equal(t, tt.wantPSK, cfg.PreSharedKey, "pre-shared key")
+		})
+	}
+}

client/server/server.go

@@ -489,6 +489,10 @@ func (s *Server) Login(callerCtx context.Context, msg *proto.LoginRequest) (*pro
 
 	s.mutex.Unlock()
 
+	if err := persistLoginOverrides(activeProf, msg.ManagementUrl, msg.OptionalPreSharedKey); err != nil {
+		return nil, err
+	}
+
 	config, _, err := s.getConfig(activeProf)
 	if err != nil {
 		log.Errorf("failed to get active profile config: %v", err)
@@ -963,7 +967,33 @@ func (s *Server) handleActiveProfileLogout(ctx context.Context) (*proto.LogoutRe
 	return &proto.LogoutResponse{}, nil
 }
 
-// GetConfig reads config file and returns Config and whether the config file already existed. Errors out if it does not exist
+// persistLoginOverrides writes management URL and pre-shared key from a LoginRequest to the
+// active profile config so that subsequent reads pick them up. Empty/nil values are ignored.
+func persistLoginOverrides(activeProf *profilemanager.ActiveProfileState, managementURL string, preSharedKey *string) error {
+	if preSharedKey != nil && *preSharedKey == "" {
+		preSharedKey = nil
+	}
+	if managementURL == "" && preSharedKey == nil {
+		return nil
+	}
+
+	cfgPath, err := activeProf.FilePath()
+	if err != nil {
+		return fmt.Errorf("get active profile file path: %w", err)
+	}
+
+	input := profilemanager.ConfigInput{
+		ConfigPath:    cfgPath,
+		ManagementURL: managementURL,
+		PreSharedKey:  preSharedKey,
+	}
+	if _, err := profilemanager.UpdateOrCreateConfig(input); err != nil {
+		return fmt.Errorf("persist login overrides: %w", err)
+	}
+	return nil
+}
+
+// getConfig reads config file and returns Config and whether the config file already existed. Errors out if it does not exist
 func (s *Server) getConfig(activeProf *profilemanager.ActiveProfileState) (*profilemanager.Config, bool, error) {
 	cfgPath, err := activeProf.FilePath()
 	if err != nil {