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options.go
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options.go
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package buffalo
import (
"context"
"fmt"
"log"
"net/http"
"github.com/gobuffalo/buffalo/worker"
"github.com/gobuffalo/envy"
"github.com/gorilla/sessions"
"github.com/markbates/going/defaults"
)
// Options are used to configure and define how your application should run.
type Options struct {
Name string
// Env is the "environment" in which the App is running. Default is "development".
Env string
// LogLevel defaults to "debug".
LogLevel string
// Logger to be used with the application. A default one is provided.
Logger Logger
// MethodOverride allows for changing of the request method type. See the default
// implementation at buffalo.MethodOverride
MethodOverride http.HandlerFunc
// SessionStore is the `github.com/gorilla/sessions` store used to back
// the session. It defaults to use a cookie store and the ENV variable
// `SESSION_SECRET`.
SessionStore sessions.Store
// SessionName is the name of the session cookie that is set. This defaults
// to "_buffalo_session".
SessionName string
// Host that this application will be available at. Default is "http://127.0.0.1:[$PORT|3000]".
Host string
// Worker implements the Worker interface and can process tasks in the background.
// Default is "github.com/gobuffalo/worker.Simple.
Worker worker.Worker
// WorkerOff tells App.Start() whether to start the Worker process or not. Default is "false".
WorkerOff bool
Context context.Context
cancel context.CancelFunc
prefix string
}
// NewOptions returns a new Options instance with sensible defaults
func NewOptions() Options {
return optionsWithDefaults(Options{})
}
func optionsWithDefaults(opts Options) Options {
opts.Env = defaults.String(opts.Env, envy.Get("GO_ENV", "development"))
opts.LogLevel = defaults.String(opts.LogLevel, "debug")
opts.Name = defaults.String(opts.Name, "/")
if opts.Context == nil {
opts.Context = context.Background()
}
opts.Context, opts.cancel = context.WithCancel(opts.Context)
if opts.Logger == nil {
opts.Logger = NewLogger(opts.LogLevel)
}
if opts.SessionStore == nil {
secret := envy.Get("SESSION_SECRET", "")
// In production a SESSION_SECRET must be set!
if opts.Env == "production" && secret == "" {
log.Println("WARNING! Unless you set SESSION_SECRET env variable, your session storage is not protected!")
}
opts.SessionStore = sessions.NewCookieStore([]byte(secret))
}
if opts.Worker == nil {
opts.Worker = worker.NewSimpleWithContext(opts.Context)
}
opts.SessionName = defaults.String(opts.SessionName, "_buffalo_session")
opts.Host = defaults.String(opts.Host, envy.Get("HOST", fmt.Sprintf("http://127.0.0.1:%s", envy.Get("PORT", "3000"))))
return opts
}