From 88110c68f0b4c575f936f7dbbe0da10f6a807fb0 Mon Sep 17 00:00:00 2001
From: Vincent Hanewinkel <vincent.hanewinkel@stud.htwk-leipzig.de>
Date: Wed, 12 Nov 2025 15:08:20 +0100
Subject: [PATCH] first commit + add OtpViewer.py + add requirements.txt +
 updated Readme

---
 OtpViewer.py    | 105 ++++++++++++++++++++++++++++++++++++++++++++++++
 README.md       |   1 +
 requirments.txt |   2 +
 3 files changed, 108 insertions(+)
 create mode 100644 OtpViewer.py
 create mode 100644 requirments.txt

diff --git a/OtpViewer.py b/OtpViewer.py
new file mode 100644
index 0000000..0f330c8
--- /dev/null
+++ b/OtpViewer.py
@@ -0,0 +1,105 @@
+import pyotp, time
+import tkinter as tk
+from tkinter import simpledialog, messagebox
+from dotenv import load_dotenv
+import os
+load_dotenv() 
+
+email = os.getenv("ACCOUND")
+seed = os.getenv("OTP_SEED")
+
+def set_env_value(key, value, path=".env"):
+    lines = []
+    found = False
+
+    try:
+        with open(path, "r") as f:
+            for line in f:
+                if line.startswith(f"{key}="):
+                    lines.append(f"{key}={value}\n")
+                    found = True
+                else:
+                    lines.append(line)
+    except FileNotFoundError:
+        pass  # Falls Datei noch nicht existiert
+
+    if not found:
+        lines.append(f"{key}={value}\n")
+
+    with open(path, "w") as f:
+        f.writelines(lines)
+
+otp = pyotp.TOTP(seed)
+INTERVAL = otp.interval  # Standard = 30s
+
+def seconds_left():
+    # Differenz bis zum nächsten 30-Sekunden-Zyklus
+    return INTERVAL - int(time.time()) % INTERVAL
+
+root = tk.Tk()
+root.title("OTP-Code")
+
+
+label_email = tk.Label(
+        root,
+        text=f"Account: {email}",
+        font=("Arial", 20, "bold"),
+        fg='Black',      # Textfarbe
+    )
+label_email.pack(padx=20, pady=20)
+label = tk.Label(
+        root,
+        text=f"Lade ...",
+        font=("Arial", 20, "bold"),
+        fg='Black',      # Textfarbe
+    )
+label.pack(padx=20, pady=20)
+
+def update():
+    remaining = seconds_left()
+    global seed
+    if seed == 'Standard':
+        label.config(text=f"Gibt deinen Otp Seed ein",fg='black',)
+        root.after(250, update)
+
+    else:
+        if remaining > 10:
+            color = 'green'
+        elif remaining > 5:
+            color = "#e9ab00"
+        else:
+            color = 'red'
+        
+        label.config(text=f"Code: {otp.now()} - Läuft ab in: {remaining:02d}s",fg=color,)
+
+        root.after(250, update)
+
+def set_seed():
+    global email, seed, otp
+    new_account = simpledialog.askstring("Accountname eingeben", "Gib deinen Accountnamen ein:")
+    new_seed = simpledialog.askstring("Seed eingeben", "Gib den neuen OTP-Seed ein:")
+    if new_seed and new_account:
+        try:
+            otp = pyotp.TOTP(new_seed)
+            seed = new_seed
+            set_env_value("OTP_SEED", new_seed)
+            set_env_value("ACCOUND", new_account)
+            email = new_account
+            label_email.config(text=f"Account: {email}")
+            messagebox.showinfo("Erfolg", "Seed wurde erfolgreich geändert!")
+        except Exception as e:
+            messagebox.showerror("Fehler", f"Ungültiger Seed:\n{e}")
+
+menubar = tk.Menu(root)
+root.config(menu=menubar)
+
+otp_menu = tk.Menu(menubar, tearoff=0)
+otp_menu.add_command(label="Seed ändern", command=set_seed)
+otp_menu.add_separator()
+otp_menu.add_command(label="Beenden", command=root.destroy)
+menubar.add_cascade(label="Optionen", menu=otp_menu)
+
+
+
+update()
+root.mainloop()
diff --git a/README.md b/README.md
index 5adbdb8..f3a0332 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,3 @@
 # OTP-Viewer
 
+Software die für ein OPT-Token die Code Generiert
\ No newline at end of file
diff --git a/requirments.txt b/requirments.txt
new file mode 100644
index 0000000..23f0852
--- /dev/null
+++ b/requirments.txt
@@ -0,0 +1,2 @@
+pyotp
+python-dotenv
\ No newline at end of file