Code review and sanitation. More understanding of concepts

frontend/groclist.py

@@ -0,0 +1,33 @@
+import pymongo
+from flask import Flask, request, render_template, redirect, url_for
+
+# initialize connection to database
+app = Flask(__name__)
+config = {
+	"username": "admin",
+	"password": "pass",
+	"server": "localhost:27017",
+}
+connector = "mongodb://{}:{}@{}".format(config["username"],config["password"], config["server"]
+client = pymongo.MongoClient(connector)
+db = client["groclist"]
+
+@app.route("/")
+def main():
+	return render_template("login.html")
+
+@app.route("/login", methods=["POST"])
+def login()
+	error = None
+	username = request.form["username"]
+	password = request.form["password"]
+	if db.cred.find_one({"username": username, "password": password})
+		auth_user_id = db.cred.find_one({"username": username},{"_id", 1})
+		return redirect(url_for("welcome", id=auth_user_id["_id"]))
+	else:
+		error = "Usernaam of wachtwoord onbekend, probeer opnieuw"
+		return render_template("login.html", error=error)
+
+@app.route("/welcome")
+def welcome(id)
+