mirror of
https://github.com/GSA/notifications-admin.git
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0dabd4ffc0
if a user signs in again, clear their file upload data from any aborted journeys from before, so that their cookies don't fill up also add some temporary logging when the session starts getting full.
118 lines
3.9 KiB
Python
118 lines
3.9 KiB
Python
import json
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from flask import (
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current_app,
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flash,
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redirect,
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render_template,
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request,
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session,
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url_for,
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)
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from flask_login import current_user, login_user
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from itsdangerous import SignatureExpired
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from notifications_utils.url_safe_token import check_token
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from app import user_api_client
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from app.main import main
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from app.main.forms import TwoFactorForm
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from app.utils import redirect_to_sign_in
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@main.route('/two-factor-email-sent', methods=['GET'])
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def two_factor_email_sent():
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title = 'Email resent' if request.args.get('email_resent') else 'Check your email'
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return render_template(
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'views/two-factor-email.html',
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title=title
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)
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@main.route('/email-auth/<token>', methods=['GET'])
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def two_factor_email(token):
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if current_user.is_authenticated:
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return redirect_when_logged_in(current_user.id)
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# checks url is valid, and hasn't timed out
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try:
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token_data = json.loads(check_token(
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token,
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current_app.config['SECRET_KEY'],
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current_app.config['DANGEROUS_SALT'],
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current_app.config['EMAIL_2FA_EXPIRY_SECONDS']
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))
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except SignatureExpired as exc:
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# lets decode again, without the expiry, to get the user id out
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orig_data = json.loads(check_token(
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token,
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current_app.config['SECRET_KEY'],
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current_app.config['DANGEROUS_SALT'],
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None
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))
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session['user_details'] = {'id': orig_data['user_id']}
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flash("The link in the email we sent you has expired. We’ve sent you a new one.")
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return redirect(url_for('.resend_email_link'))
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user_id = token_data['user_id']
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# checks if code was already used
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logged_in, msg = user_api_client.check_verify_code(user_id, token_data['secret_code'], "email")
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if not logged_in:
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flash("This link has already been used")
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session['user_details'] = {'id': user_id}
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return redirect(url_for('.resend_email_link'))
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return log_in_user(user_id)
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@main.route('/two-factor', methods=['GET', 'POST'])
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@redirect_to_sign_in
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def two_factor():
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user_id = session['user_details']['id']
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def _check_code(code):
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return user_api_client.check_verify_code(user_id, code, "sms")
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form = TwoFactorForm(_check_code)
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if form.validate_on_submit():
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return log_in_user(user_id)
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return render_template('views/two-factor.html', form=form)
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# see http://flask.pocoo.org/snippets/62/
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def _is_safe_redirect_url(target):
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from urllib.parse import urlparse, urljoin
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host_url = urlparse(request.host_url)
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redirect_url = urlparse(urljoin(request.host_url, target))
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return redirect_url.scheme in ('http', 'https') and \
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host_url.netloc == redirect_url.netloc
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def log_in_user(user_id):
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try:
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user = user_api_client.get_user(user_id)
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# the user will have a new current_session_id set by the API - store it in the cookie for future requests
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session['current_session_id'] = user.current_session_id
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# Check if coming from new password page
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if 'password' in session.get('user_details', {}):
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user = user_api_client.update_password(user.id, password=session['user_details']['password'])
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activated_user = user_api_client.activate_user(user)
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login_user(activated_user)
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finally:
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# get rid of anything in the session that we don't expect to have been set during register/sign in flow
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session.pop("user_details", None)
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session.pop("file_uploads", None)
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return redirect_when_logged_in(user_id)
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def redirect_when_logged_in(user_id):
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next_url = request.args.get('next')
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if next_url and _is_safe_redirect_url(next_url):
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return redirect(next_url)
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if current_user.platform_admin:
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return redirect(url_for('main.platform_admin'))
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return redirect(url_for('main.show_accounts_or_dashboard'))
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