mirror of
https://github.com/TeaOSLab/EdgeNode.git
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125 lines
3.3 KiB
Go
125 lines
3.3 KiB
Go
package nodes
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import (
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"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared"
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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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"github.com/iwind/TeaGo/logs"
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"net/http"
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"os"
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"regexp"
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)
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var urlPrefixRegexp = regexp.MustCompile("^(?i)(http|https|ftp)://")
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// 请求特殊页面
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func (this *HTTPRequest) doPage(status int) (shouldStop bool) {
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if len(this.web.Pages) == 0 {
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return false
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}
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for _, page := range this.web.Pages {
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if page.Match(status) {
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if len(page.BodyType) == 0 || page.BodyType == shared.BodyTypeURL {
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if urlPrefixRegexp.MatchString(page.URL) {
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var newStatus = page.NewStatus
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if newStatus <= 0 {
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newStatus = status
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}
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this.doURL(http.MethodGet, page.URL, "", newStatus, true)
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return true
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} else {
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file := Tea.Root + Tea.DS + page.URL
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fp, err := os.Open(file)
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if err != nil {
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logs.Error(err)
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msg := "404 page not found: '" + page.URL + "'"
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this.writer.WriteHeader(http.StatusNotFound)
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_, err := this.writer.Write([]byte(msg))
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if err != nil {
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logs.Error(err)
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}
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return true
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}
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stat, err := fp.Stat()
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if err != nil {
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logs.Error(err)
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msg := "404 could not read page content: '" + page.URL + "'"
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this.writer.WriteHeader(http.StatusNotFound)
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_, err := this.writer.Write([]byte(msg))
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if err != nil {
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logs.Error(err)
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}
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return true
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}
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// 修改状态码
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if page.NewStatus > 0 {
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// 自定义响应Headers
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this.processResponseHeaders(page.NewStatus)
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this.writer.Prepare(nil, stat.Size(), page.NewStatus, true)
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this.writer.WriteHeader(page.NewStatus)
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} else {
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this.processResponseHeaders(status)
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this.writer.Prepare(nil, stat.Size(), status, true)
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this.writer.WriteHeader(status)
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}
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buf := utils.BytePool1k.Get()
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_, err = utils.CopyWithFilter(this.writer, fp, buf, 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_PAGE", "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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err = fp.Close()
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if err != nil {
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logs.Error(err)
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}
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}
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return true
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} else if page.BodyType == shared.BodyTypeHTML {
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// 这里需要实现设置Status，因为在Format()中可以获取${status}等变量
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if page.NewStatus > 0 {
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this.writer.statusCode = page.NewStatus
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} else {
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this.writer.statusCode = status
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}
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var content = this.Format(page.Body)
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// 修改状态码
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if page.NewStatus > 0 {
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// 自定义响应Headers
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this.processResponseHeaders(page.NewStatus)
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this.writer.Prepare(nil, int64(len(content)), page.NewStatus, true)
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this.writer.WriteHeader(page.NewStatus)
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} else {
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this.processResponseHeaders(status)
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this.writer.Prepare(nil, int64(len(content)), status, true)
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this.writer.WriteHeader(status)
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}
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_, err := this.writer.WriteString(content)
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if err != nil {
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if !this.canIgnore(err) {
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remotelogs.Warn("HTTP_REQUEST_PAGE", "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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return true
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}
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}
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}
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return false
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}
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