mirror of
https://github.com/TeaOSLab/EdgeNode.git
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115 lines
3.3 KiB
Go
115 lines
3.3 KiB
Go
package nodes
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import (
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"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
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"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
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"github.com/TeaOSLab/EdgeNode/internal/utils"
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"github.com/iwind/TeaGo/Tea"
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"net/http"
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"os"
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"path"
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"strings"
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)
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// 调用临时关闭页面
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func (this *HTTPRequest) doShutdown() {
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var shutdown = this.web.Shutdown
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if shutdown == nil {
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return
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}
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if len(shutdown.BodyType) == 0 || shutdown.BodyType == serverconfigs.HTTPPageBodyTypeURL {
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// URL
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if urlSchemeRegexp.MatchString(shutdown.URL) {
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this.doURL(http.MethodGet, shutdown.URL, "", shutdown.Status, true)
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return
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}
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// URL为空，则显示文本
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if len(shutdown.URL) == 0 {
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// 自定义响应Headers
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if shutdown.Status > 0 {
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this.ProcessResponseHeaders(this.writer.Header(), shutdown.Status)
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this.writer.WriteHeader(shutdown.Status)
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} else {
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this.ProcessResponseHeaders(this.writer.Header(), http.StatusOK)
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this.writer.WriteHeader(http.StatusOK)
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}
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_, _ = this.writer.WriteString("The site have been shutdown.")
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return
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}
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// 从本地文件中读取
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var realpath = path.Clean(shutdown.URL)
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if !strings.HasPrefix(realpath, "/pages/") && !strings.HasPrefix(realpath, "pages/") { // only files under "/pages/" can be used
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var msg = "404 page not found: '" + shutdown.URL + "'"
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this.writer.WriteHeader(http.StatusNotFound)
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_, _ = this.writer.Write([]byte(msg))
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return
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}
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var file = Tea.Root + Tea.DS + shutdown.URL
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fp, err := os.Open(file)
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if err != nil {
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var msg = "404 page not found: '" + shutdown.URL + "'"
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this.writer.WriteHeader(http.StatusNotFound)
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_, _ = this.writer.Write([]byte(msg))
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return
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}
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defer func() {
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_ = fp.Close()
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}()
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// 自定义响应Headers
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if shutdown.Status > 0 {
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this.ProcessResponseHeaders(this.writer.Header(), shutdown.Status)
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this.writer.WriteHeader(shutdown.Status)
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} else {
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this.ProcessResponseHeaders(this.writer.Header(), http.StatusOK)
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this.writer.WriteHeader(http.StatusOK)
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}
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var buf = utils.BytePool1k.Get()
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_, err = utils.CopyWithFilter(this.writer, fp, buf.Bytes, func(p []byte) []byte {
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return []byte(this.Format(string(p)))
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})
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utils.BytePool1k.Put(buf)
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if err != nil {
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if !this.canIgnore(err) {
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remotelogs.Warn("HTTP_REQUEST_SHUTDOWN", "write to client failed: "+err.Error())
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}
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} else {
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this.writer.SetOk()
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}
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} else if shutdown.BodyType == serverconfigs.HTTPPageBodyTypeHTML {
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// 自定义响应Headers
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if shutdown.Status > 0 {
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this.ProcessResponseHeaders(this.writer.Header(), shutdown.Status)
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this.writer.WriteHeader(shutdown.Status)
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} else {
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this.ProcessResponseHeaders(this.writer.Header(), http.StatusOK)
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this.writer.WriteHeader(http.StatusOK)
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}
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_, err := this.writer.WriteString(this.Format(shutdown.Body))
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if err != nil {
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if !this.canIgnore(err) {
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remotelogs.Warn("HTTP_REQUEST_SHUTDOWN", "write to client failed: "+err.Error())
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}
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} else {
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this.writer.SetOk()
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}
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} else if shutdown.BodyType == serverconfigs.HTTPPageBodyTypeRedirectURL {
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var newURL = shutdown.URL
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if len(newURL) == 0 {
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newURL = "/"
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}
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if shutdown.Status > 0 && httpStatusIsRedirect(shutdown.Status) {
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httpRedirect(this.writer, this.RawReq, newURL, shutdown.Status)
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} else {
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httpRedirect(this.writer, this.RawReq, newURL, http.StatusTemporaryRedirect)
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}
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this.writer.SetOk()
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}
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}
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