mirror of
https://github.com/TeaOSLab/EdgeNode.git
synced 2025-11-04 16:00:25 +08:00
108 lines
2.5 KiB
Go
108 lines
2.5 KiB
Go
package nodes
|
|
|
|
import (
|
|
"github.com/TeaOSLab/EdgeCommon/pkg/configutils"
|
|
"github.com/iwind/TeaGo/lists"
|
|
"github.com/iwind/TeaGo/types"
|
|
"net/http"
|
|
"strings"
|
|
)
|
|
|
|
const httpStatusPageTemplate = `<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<title>${status} ${statusMessage}</title>
|
|
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
|
|
</head>
|
|
<body>
|
|
|
|
<h1>${status} ${statusMessage}</h1>
|
|
<p>${message}</p>
|
|
|
|
<address>Request ID: ${requestId}.</address>
|
|
|
|
</body>
|
|
</html>`
|
|
|
|
func (this *HTTPRequest) write404() {
|
|
this.writeCode(http.StatusNotFound)
|
|
}
|
|
|
|
func (this *HTTPRequest) writeCode(statusCode int) {
|
|
if this.doPage(statusCode) {
|
|
return
|
|
}
|
|
|
|
var pageContent = configutils.ParseVariables(httpStatusPageTemplate, func(varName string) (value string) {
|
|
switch varName {
|
|
case "status":
|
|
return types.String(statusCode)
|
|
case "statusMessage":
|
|
return http.StatusText(statusCode)
|
|
case "requestId":
|
|
return this.requestId
|
|
case "message":
|
|
return "" // 空
|
|
}
|
|
return "${" + varName + "}"
|
|
})
|
|
|
|
this.processResponseHeaders(statusCode)
|
|
this.writer.WriteHeader(statusCode)
|
|
|
|
_, _ = this.writer.Write([]byte(pageContent))
|
|
}
|
|
|
|
func (this *HTTPRequest) write50x(err error, statusCode int, enMessage string, zhMessage string, canTryStale bool) {
|
|
if err != nil {
|
|
this.addError(err)
|
|
}
|
|
|
|
// 尝试从缓存中恢复
|
|
if canTryStale &&
|
|
this.cacheCanTryStale &&
|
|
this.web.Cache.Stale != nil &&
|
|
this.web.Cache.Stale.IsOn &&
|
|
(len(this.web.Cache.Stale.Status) == 0 || lists.ContainsInt(this.web.Cache.Stale.Status, statusCode)) {
|
|
var ok = this.doCacheRead(true)
|
|
if ok {
|
|
return
|
|
}
|
|
}
|
|
|
|
// 显示自定义页面
|
|
if this.doPage(statusCode) {
|
|
return
|
|
}
|
|
|
|
// 内置HTML模板
|
|
var pageContent = configutils.ParseVariables(httpStatusPageTemplate, func(varName string) (value string) {
|
|
switch varName {
|
|
case "status":
|
|
return types.String(statusCode)
|
|
case "statusMessage":
|
|
return http.StatusText(statusCode)
|
|
case "requestId":
|
|
return this.requestId
|
|
case "message":
|
|
var acceptLanguages = this.RawReq.Header.Get("Accept-Language")
|
|
if len(acceptLanguages) > 0 {
|
|
var index = strings.Index(acceptLanguages, ",")
|
|
if index > 0 {
|
|
var firstLanguage = acceptLanguages[:index]
|
|
if firstLanguage == "zh-CN" {
|
|
return "网站出了一点小问题，原因：" + zhMessage + "。"
|
|
}
|
|
}
|
|
}
|
|
return "The site is unavailable now, cause: " + enMessage + "."
|
|
}
|
|
return "${" + varName + "}"
|
|
})
|
|
|
|
this.processResponseHeaders(statusCode)
|
|
this.writer.WriteHeader(statusCode)
|
|
|
|
_, _ = this.writer.Write([]byte(pageContent))
|
|
}
|