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from flask import Flask, render_template, request, redirect, url_for, session
app = Flask(__name__)
app.secret_key = "supersecretkey" # replace with env var in production
# Simple in-memory user store (replace with DB in production)
users = {"admin": "password123"}
@app.route("/", methods=["GET", "POST"])
def login():
if request.method == "POST":
username = request.form["username"]
password = request.form["password"]
if username in users and users[username] == password:
session["user"] = username
return redirect(url_for("dashboard"))
else:
return render_template("login.html", error="Invalid credentials")
return render_template("login.html")
@app.route("/signup", methods=["GET", "POST"])
def signup():
if request.method == "POST":
username = request.form["username"]
password = request.form["password"]
if username in users:
return render_template("signup.html", error="User already exists")
else:
users[username] = password
session["user"] = username
return redirect(url_for("dashboard"))
return render_template("signup.html")
@app.route("/dashboard")
def dashboard():
if "user" not in session:
return redirect(url_for("login"))
return render_template("dashboard.html", user=session["user"])
@app.route("/logout")
def logout():
session.pop("user", None)
return redirect(url_for("login"))
if __name__ == "__main__":
app.run(host="0.0.0.0", port=7860)
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