2023-09-11 17:09:08 +00:00
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/*
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Copyright © 2023 Seednode <seednode@seedno.de>
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*/
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package cmd
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import (
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"sort"
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"strconv"
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"strings"
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"time"
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"github.com/julienschmidt/httprouter"
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"github.com/yosssi/gohtml"
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)
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func serveDebugHtml(args []string, index *Index, paginate bool) httprouter.Handle {
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return func(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
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w.Header().Set("Content-Type", "text/html")
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startTime := time.Now()
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indexDump := index.Index()
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fileCount := len(indexDump)
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var startIndex, stopIndex int
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page, err := strconv.Atoi(p.ByName("page"))
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if err != nil || page <= 0 {
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startIndex = 0
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stopIndex = fileCount
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} else {
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startIndex = ((page - 1) * int(pageLength))
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stopIndex = (startIndex + int(pageLength))
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}
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if startIndex > (fileCount - 1) {
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indexDump = []string{}
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}
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if stopIndex > fileCount {
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stopIndex = fileCount
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}
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sort.SliceStable(indexDump, func(p, q int) bool {
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return strings.ToLower(indexDump[p]) < strings.ToLower(indexDump[q])
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})
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var htmlBody strings.Builder
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htmlBody.WriteString(`<!DOCTYPE html><html lang="en"><head>`)
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htmlBody.WriteString(FaviconHtml)
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htmlBody.WriteString(`<style>a{text-decoration:none;height:100%;width:100%;color:inherit;cursor:pointer}`)
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htmlBody.WriteString(`table,td,tr{border:1px solid black;border-collapse:collapse}td{white-space:nowrap;padding:.5em}</style>`)
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htmlBody.WriteString(fmt.Sprintf("<title>Index contains %d files</title></head><body><table>", fileCount))
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if len(indexDump) > 0 {
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for _, v := range indexDump[startIndex:stopIndex] {
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var shouldSort = ""
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if sorting {
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shouldSort = "?sort=asc"
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}
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htmlBody.WriteString(fmt.Sprintf("<tr><td><a href=\"%s%s%s\">%s</a></td></tr>\n", MediaPrefix, v, shouldSort, v))
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}
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}
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if pageLength != 0 {
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2023-09-11 19:09:12 +00:00
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var lastPage int
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2023-09-11 17:09:08 +00:00
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2023-09-11 19:09:12 +00:00
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if fileCount%int(pageLength) == 0 {
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lastPage = fileCount / int(pageLength)
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} else {
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lastPage = (fileCount / int(pageLength)) + 1
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2023-09-11 17:09:08 +00:00
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}
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if paginate {
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2023-09-11 19:09:12 +00:00
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var prevStatus, nextStatus string = "", ""
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if page <= 1 {
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prevStatus = "disabled"
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}
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if page >= lastPage {
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nextStatus = "disabled"
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}
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prevPage := page - 1
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if prevPage < 1 {
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prevPage = 1
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}
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nextPage := page + 1
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if nextPage > lastPage {
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nextPage = fileCount / int(pageLength)
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}
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htmlBody.WriteString(fmt.Sprintf("<button onclick=\"window.location.href = '/html/%d';\" %s>Prev</button>",
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prevPage,
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prevStatus))
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htmlBody.WriteString(fmt.Sprintf("<button onclick=\"window.location.href = '/html/%d';\" %s>Next</button>",
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nextPage,
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nextStatus))
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2023-09-11 17:09:08 +00:00
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}
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}
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htmlBody.WriteString(`</table></body></html>`)
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b, err := io.WriteString(w, gohtml.Format(htmlBody.String()))
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if err != nil {
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return
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}
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if verbose {
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fmt.Printf("%s | Served HTML debug page (%s) to %s in %s\n",
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startTime.Format(LogDate),
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humanReadableSize(b),
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realIP(r),
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time.Since(startTime).Round(time.Microsecond),
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)
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}
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}
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}
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func serveDebugJson(args []string, index *Index) httprouter.Handle {
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return func(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
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w.Header().Set("Content-Type", "application/json")
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startTime := time.Now()
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indexDump := index.Index()
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fileCount := len(indexDump)
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sort.SliceStable(indexDump, func(p, q int) bool {
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return strings.ToLower(indexDump[p]) < strings.ToLower(indexDump[q])
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})
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var startIndex, stopIndex int
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page, err := strconv.Atoi(p.ByName("page"))
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if err != nil || page <= 0 {
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startIndex = 0
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stopIndex = fileCount
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} else {
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startIndex = ((page - 1) * int(pageLength))
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stopIndex = (startIndex + int(pageLength))
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}
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if startIndex > (fileCount - 1) {
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indexDump = []string{}
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}
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if stopIndex > fileCount {
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stopIndex = fileCount
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}
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response, err := json.MarshalIndent(indexDump[startIndex:stopIndex], "", " ")
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if err != nil {
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fmt.Println(err)
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serverError(w, r, nil)
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return
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}
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w.Write(response)
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if verbose {
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fmt.Printf("%s | Served JSON debug page (%s) to %s in %s\n",
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startTime.Format(LogDate),
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humanReadableSize(len(response)),
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realIP(r),
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time.Since(startTime).Round(time.Microsecond),
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)
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}
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}
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}
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