mirror of
https://github.com/simple-login/app.git
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62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
import pyotp
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from flask import request, render_template, redirect, url_for, flash, session
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from flask_login import login_user
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from flask_wtf import FlaskForm
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from wtforms import StringField, validators
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from app.auth.base import auth_bp
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from app.config import MFA_USER_ID
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from app.log import LOG
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from app.models import User
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class OtpTokenForm(FlaskForm):
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token = StringField("Token", validators=[validators.DataRequired()])
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@auth_bp.route("/mfa", methods=["GET", "POST"])
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def mfa():
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# passed from login page
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user_id = session.get(MFA_USER_ID)
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# user access this page directly without passing by login page
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if not user_id:
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flash("Unknown error, redirect back to main page", "warning")
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return redirect(url_for("auth.login"))
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user = User.get(user_id)
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if not (user and user.enable_otp):
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flash("Only user with MFA enabled should go to this page", "warning")
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return redirect(url_for("auth.login"))
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otp_token_form = OtpTokenForm()
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next_url = request.args.get("next")
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if otp_token_form.validate_on_submit():
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totp = pyotp.TOTP(user.otp_secret)
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token = otp_token_form.token.data
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if totp.verify(token):
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del session[MFA_USER_ID]
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login_user(user)
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flash(f"Welcome back {user.name}!")
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# User comes to login page from another page
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if next_url:
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LOG.debug("redirect user to %s", next_url)
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return redirect(next_url)
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else:
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LOG.debug("redirect user to dashboard")
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return redirect(url_for("dashboard.index"))
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else:
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flash("Incorrect token", "warning")
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return render_template(
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"auth/mfa.html",
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otp_token_form=otp_token_form,
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enable_fido=(user.fido_enabled()),
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)
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