mirror of
https://github.com/astaxie/beego.git
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309 lines
7.4 KiB
Go
309 lines
7.4 KiB
Go
package middleware
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import (
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"fmt"
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"html/template"
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"net/http"
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"runtime"
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"strconv"
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)
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var (
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AppName string
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VERSION string
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)
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var tpl = `
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<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>beego application error</title>
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<style>
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html, body, body * {padding: 0; margin: 0;}
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#header {background:#ffd; border-bottom:solid 2px #A31515; padding: 20px 10px;}
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#header h2{ }
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#footer {border-top:solid 1px #aaa; padding: 5px 10px; font-size: 12px; color:green;}
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#content {padding: 5px;}
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#content .stack b{ font-size: 13px; color: red;}
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#content .stack pre{padding-left: 10px;}
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table {}
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td.t {text-align: right; padding-right: 5px; color: #888;}
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</style>
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<script type="text/javascript">
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</script>
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</head>
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<body>
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<div id="header">
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<h2>{{.AppError}}</h2>
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</div>
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<div id="content">
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<table>
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<tr>
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<td class="t">Request Method: </td><td>{{.RequestMethod}}</td>
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</tr>
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<tr>
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<td class="t">Request URL: </td><td>{{.RequestURL}}</td>
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</tr>
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<tr>
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<td class="t">RemoteAddr: </td><td>{{.RemoteAddr }}</td>
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</tr>
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</table>
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<div class="stack">
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<b>Stack</b>
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<pre>{{.Stack}}</pre>
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</div>
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</div>
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<div id="footer">
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<p>beego {{ .BeegoVersion }} (beego framework)</p>
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<p>golang version: {{.GoVersion}}</p>
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</div>
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</body>
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</html>
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`
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func ShowErr(err interface{}, rw http.ResponseWriter, r *http.Request, Stack string) {
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t, _ := template.New("beegoerrortemp").Parse(tpl)
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data := make(map[string]string)
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data["AppError"] = AppName + ":" + fmt.Sprint(err)
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data["RequestMethod"] = r.Method
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data["RequestURL"] = r.RequestURI
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data["RemoteAddr"] = r.RemoteAddr
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data["Stack"] = Stack
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data["BeegoVersion"] = VERSION
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data["GoVersion"] = runtime.Version()
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t.Execute(rw, data)
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}
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var errtpl = `
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>{{.Title}}</title>
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<style type="text/css">
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* {
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margin:0;
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padding:0;
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}
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body {
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background-color:#EFEFEF;
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font: .9em "Lucida Sans Unicode", "Lucida Grande", sans-serif;
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}
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#wrapper{
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width:600px;
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margin:40px auto 0;
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text-align:center;
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-moz-box-shadow: 5px 5px 10px rgba(0,0,0,0.3);
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-webkit-box-shadow: 5px 5px 10px rgba(0,0,0,0.3);
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box-shadow: 5px 5px 10px rgba(0,0,0,0.3);
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}
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#wrapper h1{
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color:#FFF;
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text-align:center;
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margin-bottom:20px;
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}
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#wrapper a{
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display:block;
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font-size:.9em;
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padding-top:20px;
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color:#FFF;
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text-decoration:none;
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text-align:center;
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}
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#container {
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width:600px;
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padding-bottom:15px;
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background-color:#FFFFFF;
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}
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.navtop{
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height:40px;
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background-color:#24B2EB;
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padding:13px;
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}
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.content {
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padding:10px 10px 25px;
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background: #FFFFFF;
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margin:;
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color:#333;
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}
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a.button{
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color:white;
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padding:15px 20px;
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text-shadow:1px 1px 0 #00A5FF;
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font-weight:bold;
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text-align:center;
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border:1px solid #24B2EB;
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margin:0px 200px;
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clear:both;
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background-color: #24B2EB;
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border-radius:100px;
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-moz-border-radius:100px;
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-webkit-border-radius:100px;
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}
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a.button:hover{
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text-decoration:none;
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background-color: #24B2EB;
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}
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</style>
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</head>
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<body>
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<div id="wrapper">
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<div id="container">
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<div class="navtop">
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<h1>{{.Title}}</h1>
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</div>
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<div id="content">
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{{.Content}}
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<a href="/" title="Home" class="button">Go Home</a><br />
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<br>power by beego {{.BeegoVersion}}
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</div>
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</div>
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</div>
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</body>
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</html>
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`
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var ErrorMaps map[string]http.HandlerFunc
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func init() {
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ErrorMaps = make(map[string]http.HandlerFunc)
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}
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//404
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func NotFound(rw http.ResponseWriter, r *http.Request) {
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t, _ := template.New("beegoerrortemp").Parse(errtpl)
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data := make(map[string]interface{})
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data["Title"] = "Page Not Found"
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data["Content"] = template.HTML("<br>The Page You have requested flown the coop." +
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"<br>Perhaps you are here because:" +
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"<br><br><ul>" +
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"<br>The page has moved" +
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"<br>The page no longer exists" +
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"<br>You were looking for your puppy and got lost" +
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"<br>You like 404 pages" +
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"</ul>")
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data["BeegoVersion"] = VERSION
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rw.WriteHeader(http.StatusNotFound)
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t.Execute(rw, data)
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}
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//401
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func Unauthorized(rw http.ResponseWriter, r *http.Request) {
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t, _ := template.New("beegoerrortemp").Parse(errtpl)
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data := make(map[string]interface{})
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data["Title"] = "Unauthorized"
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data["Content"] = template.HTML("<br>The Page You have requested can't authorized." +
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"<br>Perhaps you are here because:" +
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"<br><br><ul>" +
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"<br>Check the credentials that you supplied" +
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"<br>Check the address for errors" +
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"</ul>")
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data["BeegoVersion"] = VERSION
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rw.WriteHeader(http.StatusUnauthorized)
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t.Execute(rw, data)
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}
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//403
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func Forbidden(rw http.ResponseWriter, r *http.Request) {
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t, _ := template.New("beegoerrortemp").Parse(errtpl)
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data := make(map[string]interface{})
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data["Title"] = "Forbidden"
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data["Content"] = template.HTML("<br>The Page You have requested forbidden." +
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"<br>Perhaps you are here because:" +
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"<br><br><ul>" +
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"<br>Your address may be blocked" +
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"<br>The site may be disabled" +
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"<br>You need to log in" +
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"</ul>")
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data["BeegoVersion"] = VERSION
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rw.WriteHeader(http.StatusForbidden)
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t.Execute(rw, data)
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}
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//503
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func ServiceUnavailable(rw http.ResponseWriter, r *http.Request) {
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t, _ := template.New("beegoerrortemp").Parse(errtpl)
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data := make(map[string]interface{})
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data["Title"] = "Service Unavailable"
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data["Content"] = template.HTML("<br>The Page You have requested unavailable." +
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"<br>Perhaps you are here because:" +
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"<br><br><ul>" +
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"<br><br>The page is overloaded" +
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"<br>Please try again later." +
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"</ul>")
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data["BeegoVersion"] = VERSION
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rw.WriteHeader(http.StatusServiceUnavailable)
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t.Execute(rw, data)
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}
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//500
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func InternalServerError(rw http.ResponseWriter, r *http.Request) {
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t, _ := template.New("beegoerrortemp").Parse(errtpl)
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data := make(map[string]interface{})
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data["Title"] = "Internal Server Error"
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data["Content"] = template.HTML("<br>The Page You have requested has down now." +
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"<br><br><ul>" +
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"<br>simply try again later" +
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"<br>you should report the fault to the website administrator" +
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"</ul>")
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data["BeegoVersion"] = VERSION
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rw.WriteHeader(http.StatusInternalServerError)
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t.Execute(rw, data)
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}
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func Errorhandler(err string, h http.HandlerFunc) {
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ErrorMaps[err] = h
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}
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func RegisterErrorHander() {
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if _, ok := ErrorMaps["404"]; !ok {
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ErrorMaps["404"] = NotFound
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}
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if _, ok := ErrorMaps["401"]; !ok {
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ErrorMaps["401"] = Unauthorized
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}
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if _, ok := ErrorMaps["403"]; !ok {
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ErrorMaps["403"] = Forbidden
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}
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if _, ok := ErrorMaps["503"]; !ok {
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ErrorMaps["503"] = ServiceUnavailable
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}
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if _, ok := ErrorMaps["500"]; !ok {
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ErrorMaps["500"] = InternalServerError
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}
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}
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func Exception(errcode string, w http.ResponseWriter, r *http.Request, msg string) {
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if h, ok := ErrorMaps[errcode]; ok {
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h(w, r)
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return
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} else {
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isint, err := strconv.Atoi(errcode)
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if err != nil {
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isint = 500
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}
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if isint == 400 {
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msg = "404 page not found"
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}
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w.Header().Set("Content-Type", "text/plain; charset=utf-8")
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w.WriteHeader(isint)
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fmt.Fprintln(w, msg)
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return
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}
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}
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