// Handler 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)
}
}
func (p *ControllerRegistor) recoverPanic(context *beecontext.Context) {
if err := recover(); err != nil {
if err == USERSTOPRUN {
return
}
if RunMode == "dev" {
if !RecoverPanic {
panic(err)
} else {
if ErrorsShow {
if handler, ok := ErrorMaps[fmt.Sprint(err)]; ok {
executeError(handler, context)
return
}
}
var stack string
Critical("the request url is ", context.Input.Url())
Critical("Handler crashed with error", err)
for i := 1; ; i++ {
_, file, line, ok := runtime.Caller(i)
if !ok {
break
}
Critical(fmt.Sprintf("%s:%d", file, line))
stack = stack + fmt.Sprintln(fmt.Sprintf("%s:%d", file, line))
}
showErr(err, context, stack)
}
} else {
if !RecoverPanic {
panic(err)
} else {
// in production model show all infomation
if ErrorsShow {
if handler, ok := ErrorMaps[fmt.Sprint(err)]; ok {
executeError(handler, context)
return
} else if handler, ok := ErrorMaps["503"]; ok {
executeError(handler, context)
return
} else {
context.WriteString(fmt.Sprint(err))
}
} else {
Critical("the request url is ", context.Input.Url())
Critical("Handler crashed with error", err)
for i := 1; ; i++ {
_, file, line, ok := runtime.Caller(i)
if !ok {
break
}
Critical(fmt.Sprintf("%s:%d", file, line))
}
}
}
}
}
}
func WriteJson(ctx *context.Context, i interface{}) error {
data, err := json.Marshal(i)
if err != nil {
fmt.Println(err)
return err
}
ctx.WriteString(string(data))
return nil
}
func (me *StatusCode) Write(ctx *context.Context, code EUmsError, err error) {
me.Code = int(code)
j, _ := json.Marshal(me)
ctx.WriteString(string(j))
beego.Info(string(j), code.ToString(), 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)
}
}
// show error string as simple text message.
// if error string is empty, show 503 or 500 error as default.
func exception(errCode string, ctx *context.Context) {
atoi := func(code string) int {
v, err := strconv.Atoi(code)
if err == nil {
return v
}
return 503
}
for _, ec := range []string{errCode, "503", "500"} {
if h, ok := ErrorMaps[ec]; ok {
executeError(h, ctx, atoi(ec))
return
}
}
//if 50x error has been removed from errorMap
ctx.ResponseWriter.WriteHeader(atoi(errCode))
ctx.WriteString(errCode)
}
func DocsStatic(ctx *context.Context) {
if uri := ctx.Input.Param(":all"); len(uri) > 0 {
lang := ctx.GetCookie("lang")
if !i18n.IsExist(lang) {
lang = "en-US"
}
f, err := os.Open("docs/" + lang + "/" + "images/" + uri)
if err != nil {
ctx.WriteString(err.Error())
return
}
defer f.Close()
_, err = io.Copy(ctx.ResponseWriter, f)
if err != nil {
ctx.WriteString(err.Error())
return
}
}
}
//beego
func beegoHandler(ctx *context.Context) {
if sleepTime > 0 {
time.Sleep(sleepTimeDuration)
}
ctx.WriteString(messageStr)
}
func beegoFilterFunc(ctx *context.Context) {
ctx.WriteString("hello")
}
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 beegoHandlerWrite(ctx *context.Context) {
ctx.WriteString(ctx.Input.Param(":name"))
}