105 lines
2.4 KiB
Go
105 lines
2.4 KiB
Go
package settings
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import (
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"crypto/rand"
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"encoding/base64"
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"github.com/kirsle/blog/jsondb"
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)
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// DB is a reference to the parent app's JsonDB object.
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var DB *jsondb.DB
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// Settings holds the global app settings.
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type Settings struct {
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// Only gets set to true on save(), this determines whether
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// the site has ever been configured before.
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Initialized bool `json:"initialized"`
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Site struct {
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Title string `json:"title"`
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Description string `json:"description"`
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AdminEmail string `json:"adminEmail"`
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NSFW bool `json:"nsfw"`
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URL string `json:"url"`
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} `json:"site"`
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// Security-related settings.
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Security struct {
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SecretKey string `json:"secretKey"` // Session cookie secret key
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HashCost int `json:"hashCost"` // Bcrypt hash cost for passwords
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} `json:"security"`
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// Blog settings.
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Blog struct {
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PostsPerPage int `json:"postsPerPage"`
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PostsPerFeed int `json:"postsPerFeed"`
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} `json:"blog"`
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// Redis settings for caching in JsonDB.
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Redis struct {
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Enabled bool `json:"enabled"`
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Host string `json:"host"`
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Port int `json:"port"`
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DB int `json:"db"`
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Prefix string `json:"prefix"`
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} `json:"redis"`
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// Mail settings
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Mail struct {
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Enabled bool `json:"enabled"`
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Sender string `json:"sender"`
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Host string `json:"host"`
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Port int `json:"port"`
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Username string `json:"username"`
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Password string `json:"password"`
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} `json:"mail,omitempty"`
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}
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// Defaults returns default settings. The app initially sets this on
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// startup before reading your site's saved settings (if available).
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// Also this is used as a template when the user first configures their
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// site.
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func Defaults() *Settings {
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s := &Settings{}
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s.Site.Title = "Untitled Site"
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s.Security.HashCost = 14
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s.Security.SecretKey = RandomKey()
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s.Blog.PostsPerPage = 10
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s.Blog.PostsPerFeed = 10
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s.Redis.Host = "localhost"
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s.Redis.Port = 6379
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s.Redis.DB = 0
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s.Mail.Host = "localhost"
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s.Mail.Port = 25
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return s
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}
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// RandomKey generates a random string to use for the site's secret key.
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func RandomKey() string {
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keyLength := 32
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b := make([]byte, keyLength)
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rand.Read(b)
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return base64.URLEncoding.EncodeToString(b)
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}
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// Load the settings.
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func Load() (*Settings, error) {
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s := &Settings{}
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err := DB.Get("app/settings", &s)
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return s, err
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}
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// Save the site settings.
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func (s *Settings) Save() error {
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s.Initialized = true
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err := DB.Commit("app/settings", &s)
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if err != nil {
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return err
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}
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return nil
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}
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