package config import ( "errors" "fmt" "io/ioutil" "reflect" _ "github.com/jinzhu/gorm/dialects/mysql" _ "github.com/jinzhu/gorm/dialects/sqlite" "github.com/photoprism/photoprism/pkg/fs" "github.com/urfave/cli" "gopkg.in/yaml.v2" ) // Database drivers (sql dialects). const ( MySQL = "mysql" SQLite = "sqlite3" ) // Params provides a struct in which application configuration is stored. // Application code must use functions to get config values, for two reasons: // // 1. Some values are computed and we don't want to leak implementation details (aims at reducing refactoring overhead). // // 2. Paths might actually be dynamic later (if we build a multi-user version). // // See https://github.com/photoprism/photoprism/issues/50#issuecomment-433856358 type Params struct { Name string Version string Copyright string SiteUrl string `yaml:"site-url" flag:"site-url"` SiteTitle string `yaml:"site-title" flag:"site-title"` SiteCaption string `yaml:"site-caption" flag:"site-caption"` SiteDescription string `yaml:"site-description" flag:"site-description"` SiteAuthor string `yaml:"site-author" flag:"site-author"` Public bool `yaml:"public" flag:"public"` Debug bool `yaml:"debug" flag:"debug"` ReadOnly bool `yaml:"read-only" flag:"read-only"` Experimental bool `yaml:"experimental" flag:"experimental"` TensorFlowOff bool `yaml:"tf-off" flag:"tf-off"` Workers int `yaml:"workers" flag:"workers"` WakeupInterval int `yaml:"wakeup-interval" flag:"wakeup-interval"` AdminPassword string `yaml:"admin-password" flag:"admin-password"` WebDAVPassword string `yaml:"webdav-password" flag:"webdav-password"` LogLevel string `yaml:"log-level" flag:"log-level"` AssetsPath string `yaml:"assets-path" flag:"assets-path"` StoragePath string `yaml:"storage-path" flag:"storage-path"` ImportPath string `yaml:"import-path" flag:"import-path"` OriginalsPath string `yaml:"originals-path" flag:"originals-path"` OriginalsLimit int64 `yaml:"originals-limit" flag:"originals-limit"` ConfigFile string SettingsPath string `yaml:"settings-path" flag:"settings-path"` SettingsHidden bool `yaml:"settings-hidden" flag:"settings-hidden"` TempPath string `yaml:"temp-path" flag:"temp-path"` CachePath string `yaml:"cache-path" flag:"cache-path"` DatabaseDriver string `yaml:"database-driver" flag:"database-driver"` DatabaseDsn string `yaml:"database-dsn" flag:"database-dsn"` DatabaseConns int `yaml:"database-conns" flag:"database-conns"` HttpServerHost string `yaml:"http-host" flag:"http-host"` HttpServerPort int `yaml:"http-port" flag:"http-port"` HttpServerMode string `yaml:"http-mode" flag:"http-mode"` HttpServerPassword string `yaml:"http-password" flag:"http-password"` SipsBin string `yaml:"sips-bin" flag:"sips-bin"` DarktableBin string `yaml:"darktable-bin" flag:"darktable-bin"` HeifConvertBin string `yaml:"heifconvert-bin" flag:"heifconvert-bin"` FFmpegBin string `yaml:"ffmpeg-bin" flag:"ffmpeg-bin"` ExifToolBin string `yaml:"exiftool-bin" flag:"exiftool-bin"` SidecarJson bool `yaml:"sidecar-json" flag:"sidecar-json"` SidecarYaml bool `yaml:"sidecar-yaml" flag:"sidecar-yaml"` SidecarHidden bool `yaml:"sidecar-hidden" flag:"sidecar-hidden"` PIDFilename string `yaml:"pid-filename" flag:"pid-filename"` LogFilename string `yaml:"log-filename" flag:"log-filename"` DetachServer bool `yaml:"detach-server" flag:"detach-server"` DetectNSFW bool `yaml:"detect-nsfw" flag:"detect-nsfw"` UploadNSFW bool `yaml:"upload-nsfw" flag:"upload-nsfw"` GeoCodingApi string `yaml:"geocoding-api" flag:"geocoding-api"` DownloadToken string `yaml:"download-token" flag:"download-token"` PreviewToken string `yaml:"preview-token" flag:"preview-token"` ThumbFilter string `yaml:"thumb-filter" flag:"thumb-filter"` ThumbUncached bool `yaml:"thumb-uncached" flag:"thumb-uncached"` ThumbSize int `yaml:"thumb-size" flag:"thumb-size"` ThumbLimit int `yaml:"thumb-limit" flag:"thumb-limit"` JpegHidden bool `yaml:"jpeg-hidden" flag:"jpeg-hidden"` JpegQuality int `yaml:"jpeg-quality" flag:"jpeg-quality"` } // NewParams creates a new configuration entity by using two methods: // // 1. Load: This will initialize values from a yaml config file. // // 2. SetContext: Which comes after Load and overrides // any previous values giving an option two override file configs through the CLI. func NewParams(ctx *cli.Context) *Params { c := &Params{} c.Name = ctx.App.Name c.Copyright = ctx.App.Copyright c.Version = ctx.App.Version c.ConfigFile = fs.Abs(ctx.GlobalString("config-file")) if err := c.Load(c.ConfigFile); err != nil { log.Debug(err) } if err := c.SetContext(ctx); err != nil { log.Error(err) } return c } // expandFilenames converts path in config to absolute path func (c *Params) expandFilenames() { c.SettingsPath = fs.Abs(c.SettingsPath) c.StoragePath = fs.Abs(c.StoragePath) c.AssetsPath = fs.Abs(c.AssetsPath) c.CachePath = fs.Abs(c.CachePath) c.OriginalsPath = fs.Abs(c.OriginalsPath) c.ImportPath = fs.Abs(c.ImportPath) c.TempPath = fs.Abs(c.TempPath) c.PIDFilename = fs.Abs(c.PIDFilename) c.LogFilename = fs.Abs(c.LogFilename) } // Load uses a yaml config file to initiate the configuration entity. func (c *Params) Load(fileName string) error { if fileName == "" { return nil } if !fs.FileExists(fileName) { return errors.New(fmt.Sprintf("config: %s not found", fileName)) } yamlConfig, err := ioutil.ReadFile(fileName) if err != nil { return err } return yaml.Unmarshal(yamlConfig, c) } // SetContext uses values from the CLI to setup configuration overrides // for the entity. func (c *Params) SetContext(ctx *cli.Context) error { v := reflect.ValueOf(c).Elem() // Iterate through all config fields. for i := 0; i < v.NumField(); i++ { fieldValue := v.Field(i) tagValue := v.Type().Field(i).Tag.Get("flag") // Automatically assign values to fields with "flag" tag. if tagValue != "" { switch t := fieldValue.Interface().(type) { case int, int64: // Only if explicitly set or current value is empty (use default). if ctx.IsSet(tagValue) { f := ctx.Int64(tagValue) fieldValue.SetInt(f) } else if ctx.GlobalIsSet(tagValue) || fieldValue.Int() == 0 { f := ctx.GlobalInt64(tagValue) fieldValue.SetInt(f) } case uint, uint64: // Only if explicitly set or current value is empty (use default). if ctx.IsSet(tagValue) { f := ctx.Uint64(tagValue) fieldValue.SetUint(f) } else if ctx.GlobalIsSet(tagValue) || fieldValue.Uint() == 0 { f := ctx.GlobalUint64(tagValue) fieldValue.SetUint(f) } case string: // Only if explicitly set or current value is empty (use default) if ctx.IsSet(tagValue) { f := ctx.String(tagValue) fieldValue.SetString(f) } else if ctx.GlobalIsSet(tagValue) || fieldValue.String() == "" { f := ctx.GlobalString(tagValue) fieldValue.SetString(f) } case bool: if ctx.IsSet(tagValue) { f := ctx.Bool(tagValue) fieldValue.SetBool(f) } else if ctx.GlobalIsSet(tagValue) { f := ctx.GlobalBool(tagValue) fieldValue.SetBool(f) } default: log.Warnf("can't assign value of type %s from cli flag %s", t, tagValue) } } } return nil }