136 lines
2.8 KiB
Go
136 lines
2.8 KiB
Go
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/*
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Copyright © 2022 Seednode <seednode@seedno.de>
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*/
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package cmd
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import (
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"fmt"
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"io"
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"log"
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"net/http"
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"strconv"
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"strings"
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)
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func generateHeader() string {
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htmlHeader := `<html>
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<head>
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<title>OUI Lookup</title>
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</head>
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<body>
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`
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return htmlHeader
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}
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func generateFooter() string {
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htmlFooter := ` </body>
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</html>`
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return htmlFooter
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}
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func generatePageRaw(w http.ResponseWriter, output []string) {
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w.Header().Add("Content-Type", "text/plain")
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for i := 0; i < len(output); i++ {
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if Verbose {
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fmt.Println(output[i])
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}
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_, err := io.WriteString(w, output[i]+"\n")
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if err != nil {
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fmt.Println(err)
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}
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}
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}
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func generatePageHtml(w http.ResponseWriter, output []string) {
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w.Header().Add("Content-Type", "text/html")
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_, err := io.WriteString(w, generateHeader())
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if err != nil {
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fmt.Println(err)
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}
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for i := 0; i < len(output); i++ {
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if Verbose {
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fmt.Println(output[i])
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}
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_, err = io.WriteString(w, " "+output[i]+"<br />\n")
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if err != nil {
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fmt.Println(err)
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}
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}
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_, err = io.WriteString(w, generateFooter())
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if err != nil {
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fmt.Println(err)
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}
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}
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func generatePageHelp(r *http.Request, w http.ResponseWriter) {
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w.Header().Add("Content-Type", "text/html")
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_, err := io.WriteString(w, generateHeader())
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if err != nil {
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fmt.Println(err)
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}
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exampleHtmlUrl := fmt.Sprintf("http://%v/7C:0E:CE:FE:FE:FE,10:FE:ED:AB:AB:AB", r.Host)
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exampleRawUrl := fmt.Sprintf("http://%v/raw/7C:0E:CE:FE:FE:FE,10:FE:ED:AB:AB:AB", r.Host)
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exampleJsonUrl := fmt.Sprintf("http://%v/json/7C:0E:CE:FE:FE:FE,10:FE:ED:AB:AB:AB", r.Host)
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help := fmt.Sprintf(" Provide one or more MAC addresses, separated by commas.<br />\n For example: <a href=%q>%v</a>", exampleHtmlUrl, exampleHtmlUrl)
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help += fmt.Sprintf("<br /><br />\n Also supports plain text responses.<br />\n For example: <a href=%q>%v</a>", exampleRawUrl, exampleRawUrl)
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help += fmt.Sprintf("<br /><br />\n And JSON responses, of course.<br />\n For example: <a href=%q>%v</a>", exampleJsonUrl, exampleJsonUrl)
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_, err = io.WriteString(w, help)
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if err != nil {
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fmt.Println(err)
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}
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_, err = io.WriteString(w, generateFooter())
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if err != nil {
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fmt.Println(err)
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}
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}
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func servePageHandler() http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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var ouis []string
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oui := r.RequestURI
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if oui == "" {
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generatePageHelp(r, w)
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return
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}
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args := strings.Split(oui, ",")
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for i := 0; i < len(args); i++ {
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ouis = append(ouis, args[i])
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}
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var output []string
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generatePageHtml(w, output)
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}
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}
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func doNothing(http.ResponseWriter, *http.Request) {}
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func ServePage() {
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defer HandleExit()
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http.HandleFunc("/", servePageHandler())
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http.HandleFunc("/favicon.ico", doNothing)
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port := strconv.Itoa(Port)
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log.Fatal(http.ListenAndServe(":"+port, nil))
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}
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