nyancat/ip-checker
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refactor(go): simplify URL path logic

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This commit is contained in:
Guanran Wang 2024-10-19 12:19:03 +08:00
parent 49ca0945fb
commit dd807cb0d3
Signed by: nyancat
GPG key ID: 91F97D9ED12639CF
1 changed files with 29 additions and 35 deletions
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64
main.go
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@ -22,10 +22,18 @@ func main() {
http.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("./assets/static"))))
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
http.HandleFunc("/{$}", func(w http.ResponseWriter, r *http.Request) {
handleRequest(w, r, tmpl)
})
http.HandleFunc("/robots.txt", func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, `User-Agent: *
Disallow: /harming/humans
Disallow: /ignoring/human/orders
Disallow: /harm/to/self
`)
})
log.Printf("Starting server on %s", config.listen)
log.Fatal(http.ListenAndServe(config.listen, nil))
}
@ -36,43 +44,29 @@ func handleRequest(w http.ResponseWriter, r *http.Request, tmpl *template.Templa
log.Printf("r.URL.Path: %s, sourceIP: %s, isHeadless: %t, User-Agent: %s", r.URL.Path, sourceIP, isHeadless, r.Header.Get("User-Agent"))
// TODO: /favicon.ico
switch r.URL.Path {
case "/":
if isHeadless {
fmt.Fprintf(w, "%s\n", sourceIP)
} else {
csp := []string{
"default-src 'none'",
"img-src 'self'",
"script-src-elem 'self'",
"style-src-elem 'self' fonts.googleapis.com",
"font-src fonts.gstatic.com",
"connect-src api.ip.sb api-v3.speedtest.cn api.ipapi.is",
}
w.Header().Set("Content-Security-Policy", strings.Join(csp, "; "))
if isHeadless {
fmt.Fprintf(w, "%s\n", sourceIP)
} else {
csp := []string{
"default-src 'none'",
"img-src 'self'",
"script-src-elem 'self'",
"style-src-elem 'self' fonts.googleapis.com",
"font-src fonts.gstatic.com",
"connect-src api.ip.sb api-v3.speedtest.cn api.ipapi.is",
}
w.Header().Set("Content-Security-Policy", strings.Join(csp, "; "))
data := map[string]string{
"sourceIP": sourceIP,
}
err := tmpl.Execute(w, data)
if err != nil {
http.Error(w, "Unable to load template", http.StatusInternalServerError)
log.Printf("Template execution error: %v", err)
return
}
data := map[string]string{
"sourceIP": sourceIP,
}
case "/robots.txt":
fmt.Fprintf(w, `User-Agent: *
Disallow: /harming/humans
Disallow: /ignoring/human/orders
Disallow: /harm/to/self
`)
default:
http.NotFound(w, r)
err := tmpl.Execute(w, data)
if err != nil {
http.Error(w, "Unable to load template", http.StatusInternalServerError)
log.Printf("Template execution error: %v", err)
return
}
}
}