WeKnora deployment source with the reviewed wiki identity, summary and recovery fixes

cmd/desktop/prefs.go

@@ -0,0 +1,93 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+const desktopPrefsFileName = "desktop-prefs.json"
+
+type desktopPrefs struct {
+	HTTPPort       int  `json:"http_port"`
+	HTTPBindPublic bool `json:"http_bind_public"`
+}
+
+func desktopPrefsDir() (string, error) {
+	cfg, err := os.UserConfigDir()
+	if err != nil {
+		return "", err
+	}
+	dir := filepath.Join(cfg, "WeKnora Lite")
+	if err := os.MkdirAll(dir, 0o755); err != nil {
+		return "", err
+	}
+	return dir, nil
+}
+
+func desktopPrefsFilePath() (string, error) {
+	dir, err := desktopPrefsDir()
+	if err != nil {
+		return "", err
+	}
+	return filepath.Join(dir, desktopPrefsFileName), nil
+}
+
+func loadDesktopPrefs() desktopPrefs {
+	path, err := desktopPrefsFilePath()
+	if err != nil {
+		return desktopPrefs{}
+	}
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return desktopPrefs{}
+	}
+	var p desktopPrefs
+	if json.Unmarshal(data, &p) != nil {
+		return desktopPrefs{}
+	}
+	if p.HTTPPort < 0 || p.HTTPPort > 65535 {
+		p.HTTPPort = 0
+	}
+	return p
+}
+
+func saveDesktopPrefs(p desktopPrefs) error {
+	path, err := desktopPrefsFilePath()
+	if err != nil {
+		return err
+	}
+	data, err := json.MarshalIndent(p, "", "  ")
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(path, data, 0o600)
+}
+
+// LoadDesktopPrefsHTTPPort returns http_port from prefs file, or 0 if unset / invalid (ephemeral port on each launch).
+func LoadDesktopPrefsHTTPPort() int {
+	return loadDesktopPrefs().HTTPPort
+}
+
+// LoadDesktopHTTPBindPublic returns whether the embedded API server should listen on all interfaces (0.0.0.0).
+func LoadDesktopHTTPBindPublic() bool {
+	return loadDesktopPrefs().HTTPBindPublic
+}
+
+// SaveDesktopHTTPPortPreference persists listen port preference. port 0 means use a random free port on each launch.
+func SaveDesktopHTTPPortPreference(port int) error {
+	if port < 0 || port > 65535 {
+		return fmt.Errorf("invalid port")
+	}
+	cur := loadDesktopPrefs()
+	cur.HTTPPort = port
+	return saveDesktopPrefs(cur)
+}
+
+// SaveDesktopHTTPBindPublicPreference persists whether to listen on 0.0.0.0 for LAN/public access.
+func SaveDesktopHTTPBindPublicPreference(v bool) error {
+	cur := loadDesktopPrefs()
+	cur.HTTPBindPublic = v
+	return saveDesktopPrefs(cur)
+}