138 lines
3.4 KiB
Go
138 lines
3.4 KiB
Go
// NextNVR — MIT License
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// Copyright (c) 2026 NextNVR Contributors
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// SPDX-License-Identifier: MIT
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//
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// config.go — JSON configuration management. Zero external dependencies.
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package main
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import (
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"encoding/json"
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"fmt"
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"os"
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)
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// Config represents the top-level application configuration.
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type Config struct {
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Server ServerConfig `json:"server"`
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Storage StorageConfig `json:"storage"`
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Auth AuthConfig `json:"auth"`
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Cameras []CameraConfig `json:"cameras"`
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Go2RTC Go2RTCConfig `json:"go2rtc"`
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}
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type ServerConfig struct {
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Port string `json:"port"`
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BindHost string `json:"bind_host"`
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ViewerPort string `json:"viewer_port"`
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}
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type StorageConfig struct {
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RecordingsPath string `json:"recordings_path"`
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RetentionDays int `json:"retention_days"`
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CleanupIntervalMins int `json:"cleanup_interval_mins"`
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}
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type CameraConfig struct {
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ID string `json:"id"`
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Name string `json:"name"`
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IP string `json:"ip"`
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Username string `json:"username"`
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Password string `json:"password"`
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ONVIFPort int `json:"onvif_port,string"`
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RTSPMain string `json:"rtsp_main"`
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RTSPSub string `json:"rtsp_sub"`
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Description string `json:"description"`
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Enabled bool `json:"enabled"`
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Record bool `json:"record"`
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}
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type Go2RTCConfig struct {
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Enabled bool `json:"enabled"`
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Port string `json:"port"`
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Binary string `json:"binary"`
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}
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type AuthConfig struct {
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Enabled bool `json:"enabled"`
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Master UserConfig `json:"master"`
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Viewer UserConfig `json:"viewer"`
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}
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type UserConfig struct {
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Username string `json:"username"`
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Password string `json:"password"`
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Enabled bool `json:"enabled"`
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}
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// APIResponse wraps all JSON API responses.
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type APIResponse struct {
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Success bool `json:"success"`
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Data interface{} `json:"data,omitempty"`
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Error string `json:"error,omitempty"`
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}
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// CameraStatus extends CameraConfig with runtime information.
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type CameraStatus struct {
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CameraConfig
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Online bool `json:"online"`
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Uptime string `json:"uptime"`
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Streams int `json:"streams"`
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}
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// DefaultConfig returns a Config with sensible defaults.
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func DefaultConfig() Config {
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return Config{
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Server: ServerConfig{
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Port: ":8080",
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BindHost: "0.0.0.0",
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ViewerPort: ":8090",
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},
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Storage: StorageConfig{
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RecordingsPath: "/home/master/nvr_data",
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RetentionDays: 7,
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CleanupIntervalMins: 60,
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},
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Auth: AuthConfig{
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Enabled: false,
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Viewer: UserConfig{Enabled: true},
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},
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Go2RTC: Go2RTCConfig{
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Enabled: true,
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Port: ":1984",
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Binary: "/opt/nextnvr/go2rtc",
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},
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}
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}
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// LoadConfig reads and parses a JSON configuration file.
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func LoadConfig(path string) (Config, error) {
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cfg := DefaultConfig()
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data, err := os.ReadFile(path)
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if err != nil {
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if os.IsNotExist(err) {
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return cfg, fmt.Errorf("config file not found: %s", path)
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}
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return cfg, fmt.Errorf("reading config: %w", err)
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}
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if err := json.Unmarshal(data, &cfg); err != nil {
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return cfg, fmt.Errorf("parsing config: %w", err)
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}
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return cfg, nil
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}
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// SaveConfig writes the configuration to a JSON file.
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func SaveConfig(cfg Config, path string) error {
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data, err := json.MarshalIndent(&cfg, "", " ")
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if err != nil {
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return fmt.Errorf("marshaling config: %w", err)
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}
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data = append(data, '\n')
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if err := os.WriteFile(path, data, 0600); err != nil {
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return fmt.Errorf("writing config: %w", err)
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}
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return nil
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}
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