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added pledge and unveil

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This commit is contained in:
ston1th 2026-03-05 22:47:39 +01:00
commit 4bb7dd054e
330 changed files with 195092 additions and 3 deletions
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30
main.go
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@ -15,6 +15,8 @@ import (
"strconv"
"sync"
"time"
"git.giftfish.de/ston1th/godrop/v2"
)
var (
@ -22,6 +24,15 @@ var (
listen string
)
const bfsURL = "https://uvi.bfs.de/Tagesgrafiken"
var allowedFiles = []string{
"/etc/resolv.conf",
"/etc/localtime",
"/etc/hosts",
"/etc/ssl/cert.pem",
}
func main() {
flag.StringVar(&listen, "l", ":7878", "listen addr")
flag.Parse()
@ -29,9 +40,20 @@ func main() {
if len(cityList) != len(fileList) {
fatal(errors.New("city and file list length differ"))
}
if err := godrop.PledgePromises("stdio inet rpath unveil"); err != nil {
fatal(err)
}
for _, file := range allowedFiles {
if err := godrop.Unveil(file, "r"); err != nil {
fatal(err)
}
}
if err := godrop.UnveilBlock(); err != nil {
fatal(err)
}
ic := &ImageCrawler{
url: "https://uvi.bfs.de/Tagesgrafiken",
url: bfsURL,
c: &http.Client{},
m: make(map[int]*Image),
}
@ -76,12 +98,14 @@ func main() {
return
}
last := vals[len(vals)-1]
imgURL := bfsURL + "/" + fileList[num]
fmt.Fprintf(w, indexPage,
getColor(last),
fmt.Sprintf("%.2f", last),
mod.Format(time.RFC1123),
time.Now().Format(time.RFC1123),
location,
imgURL,
version,
)
})
@ -497,7 +521,6 @@ func generateLocPage() string {
}
var locPage = generateLocPage()
var indexPage = `<!doctype html>
<html>
<head>
@ -515,7 +538,8 @@ a, a:link, a:visited {
<h1 style="font-size:15em;color:#%s;">%s</h1>
<h5 style="font-size:2em;">Updated: %s</h5>
<h5 style="font-size:2em;">Server: %s</h5>
<h5 style="font-size:2em;"><a href="/set">Location</a>: %s</h5>
<h5 style="font-size:2em;"><a href="/set">Change Location</a>: %s</h5>
<h5 style="font-size:2em;"><a href="%s" rel="nofollow noreferrer noopener" target="_blank">View Image</a></h5>
<footer>UV data copyright belongs to <a href="https://www.bfs.de/DE/themen/opt/uv/uv-index/aktuelle-tagesverlaeufe/aktuell_node.html" rel="nofollow noreferrer noopener" target="_blank">Bundesamt für Strahlenschutz</a><br>
Use this service at your own risk.<br>
I take no responsibility for missing or incorrect data.<br>