mirror of
https://github.com/astaxie/beego.git
synced 2024-11-29 14:01:29 +00:00
491 lines
14 KiB
Go
491 lines
14 KiB
Go
// Copyright 2014 beego Author. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package beego
|
|
|
|
import (
|
|
"fmt"
|
|
"html/template"
|
|
"net/http"
|
|
"reflect"
|
|
"runtime"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"github.com/astaxie/beego/context"
|
|
"github.com/astaxie/beego/utils"
|
|
)
|
|
|
|
const (
|
|
errorTypeHandler = iota
|
|
errorTypeController
|
|
)
|
|
|
|
var tpl = `
|
|
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
|
|
<title>beego application error</title>
|
|
<style>
|
|
html, body, body * {padding: 0; margin: 0;}
|
|
#header {background:#ffd; border-bottom:solid 2px #A31515; padding: 20px 10px;}
|
|
#header h2{ }
|
|
#footer {border-top:solid 1px #aaa; padding: 5px 10px; font-size: 12px; color:green;}
|
|
#content {padding: 5px;}
|
|
#content .stack b{ font-size: 13px; color: red;}
|
|
#content .stack pre{padding-left: 10px;}
|
|
table {}
|
|
td.t {text-align: right; padding-right: 5px; color: #888;}
|
|
</style>
|
|
<script type="text/javascript">
|
|
</script>
|
|
</head>
|
|
<body>
|
|
<div id="header">
|
|
<h2>{{.AppError}}</h2>
|
|
</div>
|
|
<div id="content">
|
|
<table>
|
|
<tr>
|
|
<td class="t">Request Method: </td><td>{{.RequestMethod}}</td>
|
|
</tr>
|
|
<tr>
|
|
<td class="t">Request URL: </td><td>{{.RequestURL}}</td>
|
|
</tr>
|
|
<tr>
|
|
<td class="t">RemoteAddr: </td><td>{{.RemoteAddr }}</td>
|
|
</tr>
|
|
</table>
|
|
<div class="stack">
|
|
<b>Stack</b>
|
|
<pre>{{.Stack}}</pre>
|
|
</div>
|
|
</div>
|
|
<div id="footer">
|
|
<p>beego {{ .BeegoVersion }} (beego framework)</p>
|
|
<p>golang version: {{.GoVersion}}</p>
|
|
</div>
|
|
</body>
|
|
</html>
|
|
`
|
|
|
|
// render default application error page with error and stack string.
|
|
func showErr(err interface{}, ctx *context.Context, Stack string) {
|
|
t, _ := template.New("beegoerrortemp").Parse(tpl)
|
|
data := make(map[string]string)
|
|
data["AppError"] = AppName + ":" + fmt.Sprint(err)
|
|
data["RequestMethod"] = ctx.Input.Method()
|
|
data["RequestURL"] = ctx.Input.Uri()
|
|
data["RemoteAddr"] = ctx.Input.IP()
|
|
data["Stack"] = Stack
|
|
data["BeegoVersion"] = VERSION
|
|
data["GoVersion"] = runtime.Version()
|
|
ctx.ResponseWriter.WriteHeader(500)
|
|
t.Execute(ctx.ResponseWriter, data)
|
|
}
|
|
|
|
var errtpl = `
|
|
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
|
|
<title>{{.Title}}</title>
|
|
<style type="text/css">
|
|
* {
|
|
margin:0;
|
|
padding:0;
|
|
}
|
|
|
|
body {
|
|
background-color:#EFEFEF;
|
|
font: .9em "Lucida Sans Unicode", "Lucida Grande", sans-serif;
|
|
}
|
|
|
|
#wrapper{
|
|
width:600px;
|
|
margin:40px auto 0;
|
|
text-align:center;
|
|
-moz-box-shadow: 5px 5px 10px rgba(0,0,0,0.3);
|
|
-webkit-box-shadow: 5px 5px 10px rgba(0,0,0,0.3);
|
|
box-shadow: 5px 5px 10px rgba(0,0,0,0.3);
|
|
}
|
|
|
|
#wrapper h1{
|
|
color:#FFF;
|
|
text-align:center;
|
|
margin-bottom:20px;
|
|
}
|
|
|
|
#wrapper a{
|
|
display:block;
|
|
font-size:.9em;
|
|
padding-top:20px;
|
|
color:#FFF;
|
|
text-decoration:none;
|
|
text-align:center;
|
|
}
|
|
|
|
#container {
|
|
width:600px;
|
|
padding-bottom:15px;
|
|
background-color:#FFFFFF;
|
|
}
|
|
|
|
.navtop{
|
|
height:40px;
|
|
background-color:#24B2EB;
|
|
padding:13px;
|
|
}
|
|
|
|
.content {
|
|
padding:10px 10px 25px;
|
|
background: #FFFFFF;
|
|
margin:;
|
|
color:#333;
|
|
}
|
|
|
|
a.button{
|
|
color:white;
|
|
padding:15px 20px;
|
|
text-shadow:1px 1px 0 #00A5FF;
|
|
font-weight:bold;
|
|
text-align:center;
|
|
border:1px solid #24B2EB;
|
|
margin:0px 200px;
|
|
clear:both;
|
|
background-color: #24B2EB;
|
|
border-radius:100px;
|
|
-moz-border-radius:100px;
|
|
-webkit-border-radius:100px;
|
|
}
|
|
|
|
a.button:hover{
|
|
text-decoration:none;
|
|
background-color: #24B2EB;
|
|
}
|
|
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<div id="wrapper">
|
|
<div id="container">
|
|
<div class="navtop">
|
|
<h1>{{.Title}}</h1>
|
|
</div>
|
|
<div id="content">
|
|
{{.Content}}
|
|
<a href="/" title="Home" class="button">Go Home</a><br />
|
|
|
|
<br>Powered by beego {{.BeegoVersion}}
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</body>
|
|
</html>
|
|
`
|
|
|
|
type errorInfo struct {
|
|
controllerType reflect.Type
|
|
handler http.HandlerFunc
|
|
method string
|
|
errorType int
|
|
}
|
|
|
|
// map of http handlers for each error string.
|
|
var ErrorMaps map[string]*errorInfo
|
|
|
|
func init() {
|
|
ErrorMaps = make(map[string]*errorInfo)
|
|
}
|
|
|
|
// show 401 unauthorized error.
|
|
func unauthorized(rw http.ResponseWriter, r *http.Request) {
|
|
t, _ := template.New("beegoerrortemp").Parse(errtpl)
|
|
data := make(map[string]interface{})
|
|
data["Title"] = "Unauthorized"
|
|
data["Content"] = template.HTML("<br>The page you have requested can't be authorized." +
|
|
"<br>Perhaps you are here because:" +
|
|
"<br><br><ul>" +
|
|
"<br>The credentials you supplied are incorrect" +
|
|
"<br>There are errors in the website address" +
|
|
"</ul>")
|
|
data["BeegoVersion"] = VERSION
|
|
t.Execute(rw, data)
|
|
}
|
|
|
|
// show 402 Payment Required
|
|
func paymentRequired(rw http.ResponseWriter, r *http.Request) {
|
|
t, _ := template.New("beegoerrortemp").Parse(errtpl)
|
|
data := make(map[string]interface{})
|
|
data["Title"] = "Payment Required"
|
|
data["Content"] = template.HTML("<br>The page you have requested Payment Required." +
|
|
"<br>Perhaps you are here because:" +
|
|
"<br><br><ul>" +
|
|
"<br>The credentials you supplied are incorrect" +
|
|
"<br>There are errors in the website address" +
|
|
"</ul>")
|
|
data["BeegoVersion"] = VERSION
|
|
t.Execute(rw, data)
|
|
}
|
|
|
|
// show 403 forbidden error.
|
|
func forbidden(rw http.ResponseWriter, r *http.Request) {
|
|
t, _ := template.New("beegoerrortemp").Parse(errtpl)
|
|
data := make(map[string]interface{})
|
|
data["Title"] = "Forbidden"
|
|
data["Content"] = template.HTML("<br>The page you have requested is forbidden." +
|
|
"<br>Perhaps you are here because:" +
|
|
"<br><br><ul>" +
|
|
"<br>Your address may be blocked" +
|
|
"<br>The site may be disabled" +
|
|
"<br>You need to log in" +
|
|
"</ul>")
|
|
data["BeegoVersion"] = VERSION
|
|
t.Execute(rw, data)
|
|
}
|
|
|
|
// show 404 notfound error.
|
|
func notFound(rw http.ResponseWriter, r *http.Request) {
|
|
t, _ := template.New("beegoerrortemp").Parse(errtpl)
|
|
data := make(map[string]interface{})
|
|
data["Title"] = "Page Not Found"
|
|
data["Content"] = template.HTML("<br>The page you have requested has flown the coop." +
|
|
"<br>Perhaps you are here because:" +
|
|
"<br><br><ul>" +
|
|
"<br>The page has moved" +
|
|
"<br>The page no longer exists" +
|
|
"<br>You were looking for your puppy and got lost" +
|
|
"<br>You like 404 pages" +
|
|
"</ul>")
|
|
data["BeegoVersion"] = VERSION
|
|
t.Execute(rw, data)
|
|
}
|
|
|
|
// show 405 Method Not Allowed
|
|
func methodNotAllowed(rw http.ResponseWriter, r *http.Request) {
|
|
t, _ := template.New("beegoerrortemp").Parse(errtpl)
|
|
data := make(map[string]interface{})
|
|
data["Title"] = "Method Not Allowed"
|
|
data["Content"] = template.HTML("<br>The method you have requested Not Allowed." +
|
|
"<br>Perhaps you are here because:" +
|
|
"<br><br><ul>" +
|
|
"<br>The method specified in the Request-Line is not allowed for the resource identified by the Request-URI" +
|
|
"<br>The response MUST include an Allow header containing a list of valid methods for the requested resource." +
|
|
"</ul>")
|
|
data["BeegoVersion"] = VERSION
|
|
t.Execute(rw, data)
|
|
}
|
|
|
|
// show 500 internal server error.
|
|
func internalServerError(rw http.ResponseWriter, r *http.Request) {
|
|
t, _ := template.New("beegoerrortemp").Parse(errtpl)
|
|
data := make(map[string]interface{})
|
|
data["Title"] = "Internal Server Error"
|
|
data["Content"] = template.HTML("<br>The page you have requested is down right now." +
|
|
"<br><br><ul>" +
|
|
"<br>Please try again later and report the error to the website administrator" +
|
|
"<br></ul>")
|
|
data["BeegoVersion"] = VERSION
|
|
t.Execute(rw, data)
|
|
}
|
|
|
|
// show 501 Not Implemented.
|
|
func notImplemented(rw http.ResponseWriter, r *http.Request) {
|
|
t, _ := template.New("beegoerrortemp").Parse(errtpl)
|
|
data := make(map[string]interface{})
|
|
data["Title"] = "Not Implemented"
|
|
data["Content"] = template.HTML("<br>The page you have requested is Not Implemented." +
|
|
"<br><br><ul>" +
|
|
"<br>Please try again later and report the error to the website administrator" +
|
|
"<br></ul>")
|
|
data["BeegoVersion"] = VERSION
|
|
t.Execute(rw, data)
|
|
}
|
|
|
|
// show 502 Bad Gateway.
|
|
func badGateway(rw http.ResponseWriter, r *http.Request) {
|
|
t, _ := template.New("beegoerrortemp").Parse(errtpl)
|
|
data := make(map[string]interface{})
|
|
data["Title"] = "Bad Gateway"
|
|
data["Content"] = template.HTML("<br>The page you have requested is down right now." +
|
|
"<br><br><ul>" +
|
|
"<br>The server, while acting as a gateway or proxy, received an invalid response from the upstream server it accessed in attempting to fulfill the request." +
|
|
"<br>Please try again later and report the error to the website administrator" +
|
|
"<br></ul>")
|
|
data["BeegoVersion"] = VERSION
|
|
t.Execute(rw, data)
|
|
}
|
|
|
|
// show 503 service unavailable error.
|
|
func serviceUnavailable(rw http.ResponseWriter, r *http.Request) {
|
|
t, _ := template.New("beegoerrortemp").Parse(errtpl)
|
|
data := make(map[string]interface{})
|
|
data["Title"] = "Service Unavailable"
|
|
data["Content"] = template.HTML("<br>The page you have requested is unavailable." +
|
|
"<br>Perhaps you are here because:" +
|
|
"<br><br><ul>" +
|
|
"<br><br>The page is overloaded" +
|
|
"<br>Please try again later." +
|
|
"</ul>")
|
|
data["BeegoVersion"] = VERSION
|
|
t.Execute(rw, data)
|
|
}
|
|
|
|
// show 504 Gateway Timeout.
|
|
func gatewayTimeout(rw http.ResponseWriter, r *http.Request) {
|
|
t, _ := template.New("beegoerrortemp").Parse(errtpl)
|
|
data := make(map[string]interface{})
|
|
data["Title"] = "Gateway Timeout"
|
|
data["Content"] = template.HTML("<br>The page you have requested is unavailable." +
|
|
"<br>Perhaps you are here because:" +
|
|
"<br><br><ul>" +
|
|
"<br><br>The server, while acting as a gateway or proxy, did not receive a timely response from the upstream server specified by the URI." +
|
|
"<br>Please try again later." +
|
|
"</ul>")
|
|
data["BeegoVersion"] = VERSION
|
|
t.Execute(rw, data)
|
|
}
|
|
|
|
// register default error http handlers, 404,401,403,500 and 503.
|
|
func registerDefaultErrorHandler() {
|
|
if _, ok := ErrorMaps["401"]; !ok {
|
|
Errorhandler("401", unauthorized)
|
|
}
|
|
|
|
if _, ok := ErrorMaps["402"]; !ok {
|
|
Errorhandler("402", paymentRequired)
|
|
}
|
|
|
|
if _, ok := ErrorMaps["403"]; !ok {
|
|
Errorhandler("403", forbidden)
|
|
}
|
|
|
|
if _, ok := ErrorMaps["404"]; !ok {
|
|
Errorhandler("404", notFound)
|
|
}
|
|
|
|
if _, ok := ErrorMaps["405"]; !ok {
|
|
Errorhandler("405", methodNotAllowed)
|
|
}
|
|
|
|
if _, ok := ErrorMaps["500"]; !ok {
|
|
Errorhandler("500", internalServerError)
|
|
}
|
|
if _, ok := ErrorMaps["501"]; !ok {
|
|
Errorhandler("501", notImplemented)
|
|
}
|
|
if _, ok := ErrorMaps["502"]; !ok {
|
|
Errorhandler("502", badGateway)
|
|
}
|
|
|
|
if _, ok := ErrorMaps["503"]; !ok {
|
|
Errorhandler("503", serviceUnavailable)
|
|
}
|
|
|
|
if _, ok := ErrorMaps["504"]; !ok {
|
|
Errorhandler("504", gatewayTimeout)
|
|
}
|
|
}
|
|
|
|
// ErrorHandler registers http.HandlerFunc to each http err code string.
|
|
// usage:
|
|
// beego.ErrorHandler("404",NotFound)
|
|
// beego.ErrorHandler("500",InternalServerError)
|
|
func Errorhandler(code string, h http.HandlerFunc) *App {
|
|
errinfo := &errorInfo{}
|
|
errinfo.errorType = errorTypeHandler
|
|
errinfo.handler = h
|
|
errinfo.method = code
|
|
ErrorMaps[code] = errinfo
|
|
return BeeApp
|
|
}
|
|
|
|
// ErrorController registers ControllerInterface to each http err code string.
|
|
// usage:
|
|
// beego.ErrorHandler(&controllers.ErrorController{})
|
|
func ErrorController(c ControllerInterface) *App {
|
|
reflectVal := reflect.ValueOf(c)
|
|
rt := reflectVal.Type()
|
|
ct := reflect.Indirect(reflectVal).Type()
|
|
for i := 0; i < rt.NumMethod(); i++ {
|
|
if !utils.InSlice(rt.Method(i).Name, exceptMethod) && strings.HasPrefix(rt.Method(i).Name, "Error") {
|
|
errinfo := &errorInfo{}
|
|
errinfo.errorType = errorTypeController
|
|
errinfo.controllerType = ct
|
|
errinfo.method = rt.Method(i).Name
|
|
errname := strings.TrimPrefix(rt.Method(i).Name, "Error")
|
|
ErrorMaps[errname] = errinfo
|
|
}
|
|
}
|
|
return BeeApp
|
|
}
|
|
|
|
// 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 executeError(err *errorInfo, ctx *context.Context, code int) {
|
|
if err.errorType == errorTypeHandler {
|
|
ctx.ResponseWriter.WriteHeader(code)
|
|
err.handler(ctx.ResponseWriter, ctx.Request)
|
|
return
|
|
}
|
|
if err.errorType == errorTypeController {
|
|
ctx.Output.SetStatus(code)
|
|
//Invoke the request handler
|
|
vc := reflect.New(err.controllerType)
|
|
execController, ok := vc.Interface().(ControllerInterface)
|
|
if !ok {
|
|
panic("controller is not ControllerInterface")
|
|
}
|
|
//call the controller init function
|
|
execController.Init(ctx, err.controllerType.Name(), err.method, vc.Interface())
|
|
|
|
//call prepare function
|
|
execController.Prepare()
|
|
|
|
execController.URLMapping()
|
|
|
|
in := make([]reflect.Value, 0)
|
|
method := vc.MethodByName(err.method)
|
|
method.Call(in)
|
|
|
|
//render template
|
|
if AutoRender {
|
|
if err := execController.Render(); err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
// finish all runrouter. release resource
|
|
execController.Finish()
|
|
}
|
|
}
|