wip: migrate to mono-repo. SPN has already been moved to spn/

service/profile/config-update.go

@@ -0,0 +1,157 @@
+package profile
+
+import (
+	"context"
+	"fmt"
+	"sync"
+	"time"
+
+	"github.com/safing/portbase/modules"
+	"github.com/safing/portmaster/service/intel/filterlists"
+	"github.com/safing/portmaster/service/profile/endpoints"
+)
+
+var (
+	cfgLock sync.RWMutex
+
+	cfgDefaultAction       uint8
+	cfgEndpoints           endpoints.Endpoints
+	cfgServiceEndpoints    endpoints.Endpoints
+	cfgSPNUsagePolicy      endpoints.Endpoints
+	cfgSPNTransitHubPolicy endpoints.Endpoints
+	cfgSPNExitHubPolicy    endpoints.Endpoints
+	cfgFilterLists         []string
+)
+
+func registerConfigUpdater() error {
+	return module.RegisterEventHook(
+		"config",
+		"config change",
+		"update global config profile",
+		func(ctx context.Context, _ interface{}) error {
+			return updateGlobalConfigProfile(ctx, nil)
+		},
+	)
+}
+
+const globalConfigProfileErrorID = "profile:global-profile-error"
+
+func updateGlobalConfigProfile(ctx context.Context, task *modules.Task) error {
+	cfgLock.Lock()
+	defer cfgLock.Unlock()
+
+	var err error
+	var lastErr error
+
+	action := cfgOptionDefaultAction()
+	switch action {
+	case DefaultActionPermitValue:
+		cfgDefaultAction = DefaultActionPermit
+	case DefaultActionAskValue:
+		cfgDefaultAction = DefaultActionAsk
+	case DefaultActionBlockValue:
+		cfgDefaultAction = DefaultActionBlock
+	default:
+		// TODO: module error?
+		lastErr = fmt.Errorf(`default action "%s" invalid`, action)
+		cfgDefaultAction = DefaultActionBlock // default to block in worst case
+	}
+
+	list := cfgOptionEndpoints()
+	cfgEndpoints, err = endpoints.ParseEndpoints(list)
+	if err != nil {
+		// TODO: module error?
+		lastErr = err
+	}
+
+	list = cfgOptionServiceEndpoints()
+	cfgServiceEndpoints, err = endpoints.ParseEndpoints(list)
+	if err != nil {
+		// TODO: module error?
+		lastErr = err
+	}
+
+	list = cfgOptionFilterLists()
+	cfgFilterLists, err = filterlists.ResolveListIDs(list)
+	if err != nil {
+		lastErr = err
+	}
+
+	list = cfgOptionSPNUsagePolicy()
+	cfgSPNUsagePolicy, err = endpoints.ParseEndpoints(list)
+	if err != nil {
+		// TODO: module error?
+		lastErr = err
+	}
+
+	list = cfgOptionTransitHubPolicy()
+	cfgSPNTransitHubPolicy, err = endpoints.ParseEndpoints(list)
+	if err != nil {
+		// TODO: module error?
+		lastErr = err
+	}
+
+	list = cfgOptionExitHubPolicy()
+	cfgSPNExitHubPolicy, err = endpoints.ParseEndpoints(list)
+	if err != nil {
+		// TODO: module error?
+		lastErr = err
+	}
+
+	// Build config.
+	newConfig := make(map[string]interface{})
+	// fill profile config options
+	for key, value := range cfgStringOptions {
+		newConfig[key] = value()
+	}
+	for key, value := range cfgStringArrayOptions {
+		newConfig[key] = value()
+	}
+	for key, value := range cfgIntOptions {
+		newConfig[key] = value()
+	}
+	for key, value := range cfgBoolOptions {
+		newConfig[key] = value()
+	}
+
+	// Build global profile for reference.
+	profile := New(&Profile{
+		ID:       "global-config",
+		Source:   SourceSpecial,
+		Name:     "Global Configuration",
+		Config:   newConfig,
+		Internal: true,
+	})
+
+	// save profile
+	err = profile.Save()
+	if err != nil && lastErr == nil {
+		// other errors are more important
+		lastErr = err
+	}
+
+	// If there was any error, try again later until it succeeds.
+	if lastErr == nil {
+		module.Resolve(globalConfigProfileErrorID)
+	} else {
+		// Create task after first failure.
+		if task == nil {
+			task = module.NewTask(
+				"retry updating global config profile",
+				updateGlobalConfigProfile,
+			)
+		}
+
+		// Schedule task.
+		task.Schedule(time.Now().Add(15 * time.Second))
+
+		// Add module warning to inform user.
+		module.Warning(
+			globalConfigProfileErrorID,
+			"Internal Settings Failure",
+			fmt.Sprintf("Some global settings might not be applied correctly. You can try restarting the Portmaster to resolve this problem. Error: %s", err),
+		)
+	}
+
+	return lastErr
+}