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5 Commits

Author SHA1 Message Date
Florian Walther
2c09ab8f87 added getRealIP
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2026-02-08 22:26:02 +01:00
Florian Walther
75be4d3015 added getClientIP
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Docker Release Build / push_to_registry (push) Failing after 49s
2026-02-08 21:17:08 +01:00
Florian Walther
c208afabf1 updated screenshot to v0.7.2 2026-02-08 11:20:27 +01:00
Florian Walther
7c7a0dcf15 added debug var, changed title
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Docker Release Build / push_to_registry (push) Successful in 1m0s
2026-02-08 10:59:18 +01:00
Florian Walther
90f4b9a0e3 screenshot updated 2026-02-08 00:42:30 +01:00
3 changed files with 39 additions and 7 deletions

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44
main.go
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@@ -2,6 +2,7 @@ package main
import (
"os"
"net"
"strconv"
"strings"
"sync"
@@ -18,12 +19,35 @@ const (
)
var (
debug = false
templates = make(map[string]*template.Template)
AppVersion = "development"
counterFile = "/data/counter.txt"
mu sync.Mutex
)
func getClientIP(r *http.Request) string {
// 1. Prüfe den X-Forwarded-For Header (Standard für Proxies)
xForwardedFor := r.Header.Get("X-Forwarded-For")
if xForwardedFor != "" {
// Der Header kann eine Liste von IPs sein (Client, Proxy1, Proxy2)
// Die erste IP in der Liste ist die echte Client-IP
ips := strings.Split(xForwardedFor, ",")
return strings.TrimSpace(ips[0])
}
// 2. Fallback auf X-Real-IP (oft von Traefik/Nginx gesetzt)
xRealIP := r.Header.Get("X-Real-IP")
if xRealIP != "" {
return xRealIP
}
// 3. Letzter Ausweg: Die direkte IP (wird in deinem Fall die Traefik-IP sein)
// RemoteAddr enthält oft auch den Port (z.B. "127.0.0.1:1234")
ip, _, _ := net.SplitHostPort(r.RemoteAddr)
return ip
}
// Diese Funktion wird nur intern aufgerufen, wenn der Mutex bereits gesperrt ist
func getCount() int {
data, err := os.ReadFile(counterFile)
@@ -76,7 +100,7 @@ func loadTemplates() {
}
func generatePassword() string {
log.Printf("called generatePassword\n")
if debug { log.Printf("called generatePassword\n") }
password := make([]byte, passwordLength)
_, err := rand.Read(password)
if err != nil {
@@ -90,7 +114,9 @@ func generatePassword() string {
}
func passwordHandler(w http.ResponseWriter, r *http.Request) {
log.Printf("called passwordHandler\n")
clientIP := getClientIP(r)
log.Printf("passwordHandler aufrerufen von IP: %s\n", clientIP)
if debug { log.Printf("called passwordHandler\n") }
password := generatePassword()
currentCount := GetPasswordCount()
response := map[string]interface{}{
@@ -107,14 +133,18 @@ func passwordHandler(w http.ResponseWriter, r *http.Request) {
}
func passwordAPIHandler(w http.ResponseWriter, r *http.Request) {
log.Printf("called passwordHandler\n")
clientIP := getClientIP(r)
log.Printf("passwordAPIHandler aufrerufen von IP: %s\n", clientIP)
if debug { log.Printf("called passwordHandler\n") }
password := generatePassword()
w.Header().Set("Content-Type", "text/plain")
w.Write([]byte(password))
}
func indexHandler(w http.ResponseWriter, r *http.Request) {
log.Printf("call indexHandler: Request %s %s\n", r.Method, r.URL)
clientIP := getClientIP(r)
log.Printf("indexHandler aufrerufen von IP: %s\n", clientIP)
if debug { log.Printf("call indexHandler: Request %s %s\n", r.Method, r.URL) }
password := generatePassword()
//password := "load..."
data := struct {
@@ -122,7 +152,7 @@ func indexHandler(w http.ResponseWriter, r *http.Request) {
}{
Password: password,
}
log.Printf("prepare template for index\n")
if debug { log.Printf("prepare template for index\n") }
err := templates["index.html"].ExecuteTemplate(w, "base.html", data)
if err != nil {
log.Printf("Fehler beim Rendern des Templates: %v", err)
@@ -131,7 +161,9 @@ func indexHandler(w http.ResponseWriter, r *http.Request) {
}
func helpHandler(w http.ResponseWriter, r *http.Request) {
log.Printf("call helpHandler\n")
clientIP := getClientIP(r)
log.Printf("helpHandler aufrerufen von IP: %s\n", clientIP)
if debug { log.Printf("call helpHandler\n") }
err := templates["help.html"].ExecuteTemplate(w, "base.html", nil)
if err != nil {
log.Printf("Fehler beim Rendern des Templates: %v", err)

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@@ -43,7 +43,7 @@
<div class="container">
<a href="/help" class="help-link">?</a>
<a href="https://gitea.scu.si/Florian.Walther/Web-Password" class="code-link">Sourcecode</a>
<h1>Generiertes Passwort</h1>
<h1>Passwort Generator</h1>
<div id="password">{{ .Password }}</div>
<div class="buttons">
<button class="copy-button" onclick="copyToClipboard()">In Zwischenablage kopieren</button>