41 lines
1.1 KiB
Go
41 lines
1.1 KiB
Go
package server
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import (
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"net/http"
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"strconv"
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"strings"
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"time"
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"velvettear/godyn/config"
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"velvettear/godyn/log"
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)
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// exported function(s)
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func Run() {
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log.Debug("starting godyn in server mode")
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serverAddress := config.ServerListen() + ":" + strconv.Itoa(config.ServerPort())
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http.HandleFunc("/", handleRequests)
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log.Info("starting server '" + serverAddress + "'...")
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err := http.ListenAndServe(serverAddress, nil)
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if err != nil {
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log.Fatal("encountered an error starting the server", err.Error())
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}
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}
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// unexported function(s)
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func handleRequests(writer http.ResponseWriter, request *http.Request) {
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timestamp := time.Now()
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ip := strings.TrimSpace(request.Header.Get("X-Real-Ip"))
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if len(ip) == 0 {
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if strings.HasPrefix(request.RemoteAddr, "[::") {
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writer.WriteHeader(500)
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writer.Write([]byte("error: could not process request\n"))
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log.WarningTimed("could not answert request from '"+request.RemoteAddr+"'", timestamp.UnixMilli())
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return
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}
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ip, _, _ = strings.Cut(request.RemoteAddr, ":")
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}
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writer.WriteHeader(200)
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writer.Write([]byte(ip + "\n"))
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log.InfoTimed("answered request from '"+ip+"'", timestamp.UnixMilli())
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}
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