Example #1
0
// beego filter handler for serve captcha image
func (c *Captcha) Handler(ctx *context.Context) {
	var chars []byte

	id := path.Base(ctx.Request.RequestURI)
	if i := strings.Index(id, "."); i != -1 {
		id = id[:i]
	}

	key := c.key(id)

	if len(ctx.Input.Query("reload")) > 0 {
		chars = c.genRandChars()
		if err := c.store.Put(key, chars, c.Expiration); err != nil {
			ctx.Output.SetStatus(500)
			ctx.WriteString("captcha reload error")
			beego.Error("Reload Create Captcha Error:", err)
			return
		}
	} else {
		if v, ok := c.store.Get(key).([]byte); ok {
			chars = v
		} else {
			ctx.Output.SetStatus(404)
			ctx.WriteString("captcha not found")
			return
		}
	}

	img := NewImage(chars, c.StdWidth, c.StdHeight)
	if _, err := img.WriteTo(ctx.ResponseWriter); err != nil {
		beego.Error("Write Captcha Image Error:", err)
	}
}
Example #2
0
// reset all migration
// run all migration's down function
func Reset() error {
	sm := sortMap(migrationMap)
	i := 0
	for j := len(sm) - 1; j >= 0; j-- {
		v := sm[j]
		if isRollBack(v.name) {
			beego.Info("skip the", v.name)
			time.Sleep(1 * time.Second)
			continue
		}
		beego.Info("start reset:", v.name)
		v.m.Reset()
		v.m.Down()
		err := v.m.Exec(v.name, "down")
		if err != nil {
			beego.Error("execute error:", err)
			time.Sleep(2 * time.Second)
			return err
		}
		i++
		beego.Info("end reset:", v.name)
	}
	beego.Info("total success reset:", i, " migration")
	time.Sleep(2 * time.Second)
	return nil
}
Example #3
0
// first Reset, then Upgrade
func Refresh() error {
	err := Reset()
	if err != nil {
		beego.Error("execute error:", err)
		time.Sleep(2 * time.Second)
		return err
	}
	err = Upgrade(0)
	return err
}
Example #4
0
//rollback the migration by the name
func Rollback(name string) error {
	if v, ok := migrationMap[name]; ok {
		beego.Info("start rollback")
		v.Reset()
		v.Down()
		err := v.Exec(name, "down")
		if err != nil {
			beego.Error("execute error:", err)
			time.Sleep(2 * time.Second)
			return err
		}
		beego.Info("end rollback")
		time.Sleep(2 * time.Second)
		return nil
	} else {
		beego.Error("not exist the migrationMap name:" + name)
		time.Sleep(2 * time.Second)
		return errors.New("not exist the migrationMap name:" + name)
	}
}
Example #5
0
// tempalte func for output html
func (c *Captcha) CreateCaptchaHtml() template.HTML {
	value, err := c.CreateCaptcha()
	if err != nil {
		beego.Error("Create Captcha Error:", err)
		return ""
	}

	// create html
	return template.HTML(fmt.Sprintf(`<input type="hidden" name="%s" value="%s">`+
		`<a class="captcha" href="javascript:">`+
		`<img onclick="this.src=('%s%s.png?reload='+(new Date()).getTime())" class="captcha-img" src="%s%s.png">`+
		`</a>`, c.FieldIdName, value, c.URLPrefix, value, c.URLPrefix, value))
}
Example #6
0
// upgrate the migration from lasttime
func Upgrade(lasttime int64) error {
	sm := sortMap(migrationMap)
	i := 0
	for _, v := range sm {
		if v.created > lasttime {
			beego.Info("start upgrade", v.name)
			v.m.Reset()
			v.m.Up()
			err := v.m.Exec(v.name, "up")
			if err != nil {
				beego.Error("execute error:", err)
				time.Sleep(2 * time.Second)
				return err
			}
			beego.Info("end upgrade:", v.name)
			i++
		}
	}
	beego.Info("total success upgrade:", i, " migration")
	time.Sleep(2 * time.Second)
	return nil
}