2022-09-08 15:12:06 +00:00
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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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2022-09-08 20:30:51 +00:00
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"net/url"
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2022-09-08 15:57:59 +00:00
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"os"
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2022-09-08 15:12:06 +00:00
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"strconv"
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)
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2022-09-08 20:30:51 +00:00
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func generateHeader(fileName string) string {
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htmlHeader := `<html lang="en">
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2022-09-08 15:12:06 +00:00
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<head>
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2022-09-08 20:30:51 +00:00
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<style>img{max-width:100%;max-height:97vh;height:auto;}</style>
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<title>`
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htmlHeader += fileName
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htmlHeader += `</title>
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2022-09-08 15:12:06 +00:00
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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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2022-09-08 20:30:51 +00:00
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func generatePageHtml(w http.ResponseWriter, paths []string, output []string) {
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fileList, err := getFileList(paths)
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2022-09-08 15:12:06 +00:00
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if err != nil {
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2022-09-08 20:30:51 +00:00
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panic(err)
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2022-09-08 15:12:06 +00:00
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}
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2022-09-08 20:30:51 +00:00
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fileName, filePath := pickFile(fileList)
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2022-09-08 15:12:06 +00:00
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w.Header().Add("Content-Type", "text/html")
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2022-09-08 20:30:51 +00:00
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_, err = io.WriteString(w, generateHeader(fileName))
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2022-09-08 15:12:06 +00:00
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if err != nil {
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fmt.Println(err)
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}
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2022-09-08 20:30:51 +00:00
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htmlBody := ` <a href="/"><img src="`
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htmlBody += filePath
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htmlBody += `"></img></a>
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`
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_, err = io.WriteString(w, htmlBody)
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2022-09-08 15:12:06 +00:00
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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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2022-09-08 20:30:51 +00:00
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func servePageHandler(paths []string) http.HandlerFunc {
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2022-09-08 15:12:06 +00:00
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return func(w http.ResponseWriter, r *http.Request) {
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var output []string
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2022-09-08 20:30:51 +00:00
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request := r.RequestURI
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if r.RequestURI == "/" {
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generatePageHtml(w, paths, output)
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} else {
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f, err := url.QueryUnescape(request)
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if err != nil {
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log.Fatal(err)
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return
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}
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buf, err := os.ReadFile(f)
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if err != nil {
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panic(err)
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}
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w.Write(buf)
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}
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2022-09-08 15:12:06 +00:00
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}
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}
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func doNothing(http.ResponseWriter, *http.Request) {}
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2022-09-08 15:57:59 +00:00
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func ServePage(args []string) {
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defer HandleExit()
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2022-09-08 20:30:51 +00:00
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paths := normalizePaths(args)
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http.HandleFunc("/", servePageHandler(paths))
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2022-09-08 15:12:06 +00:00
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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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