// 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) } }
// show error string as simple text message. // if error string is empty, show 500 error as default. func exception(errcode string, ctx *context.Context) { code, err := strconv.Atoi(errcode) if err != nil { code = 503 } if h, ok := ErrorMaps[errcode]; ok { executeError(h, ctx, code) return } else if h, ok := ErrorMaps["503"]; ok { executeError(h, ctx, code) return } else { ctx.ResponseWriter.WriteHeader(code) ctx.WriteString(errcode) } }
func beegoFinishRouter2(ctx *context.Context) { ctx.WriteString("|FinishRouter2") }
func beegoAfterExec2(ctx *context.Context) { ctx.WriteString("|AfterExec2") }
func beegoBeforeExec2(ctx *context.Context) { ctx.WriteString("|BeforeExec2") }
func beegoBeforeRouter2(ctx *context.Context) { ctx.WriteString("|BeforeRouter2") }
func beegoFilterFunc(ctx *context.Context) { ctx.WriteString("hello") }