# -*- coding: utf-8 -*-

"""

 (c) 2016 - Copyright Red Hat Inc

 Authors:

   Pierre-Yves Chibon <pingou@pingoured.fr></pingou@pingoured.fr>

   Farhaan Bukhsh <farhaan.bukhsh@gmail.com></farhaan.bukhsh@gmail.com>

"""

__requires__ = ['SQLAlchemy >= 0.8']

import pkg_resources

import datetime

import hashlib

import json

import unittest

import shutil

import sys

import tempfile

import os

import flask

import pygit2

from mock import patch, MagicMock

sys.path.insert(0, os.path.join(os.path.dirname(

    os.path.abspath(__file__)), '..'))

import pagure.lib

import tests

from pagure.lib.repo import PagureRepo

import pagure.ui.login

class PagureFlaskLogintests(tests.SimplePagureTest):

    """ Tests for flask app controller of pagure """

    def setUp(self):

        """ Set up the environnment, ran before every tests. """

        super(PagureFlaskLogintests, self).setUp()

        pagure.APP.config['TESTING'] = True

        pagure.APP.config['EMAIL_SEND'] = False

        pagure.APP.config['PAGURE_AUTH'] = 'local'

        pagure.SESSION = self.session

        pagure.ui.SESSION = self.session

        pagure.ui.app.SESSION = self.session

        pagure.ui.login.SESSION = self.session

        pagure.ui.filters.SESSION = self.session

    @patch('pagure.lib.notify.send_email', MagicMock(return_value=True))

    def test_new_user(self):

        """ Test the new_user endpoint. """

        # Check before:

        items = pagure.lib.search_user(self.session)

        self.assertEqual(2, len(items))

        # First access the new user page

        output = self.app.get('/user/new')

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>New user - Pagure</title>', output.data)

        self.assertIn(

            '<form action="/user/new" method="post">', output.data)</form>

        # Create the form to send there

        # This has all the data needed

        data = {

            'user': 'foo',

            'fullname': 'user foo',

            'email_address': 'foo@bar.com',

            'password': 'barpass',

            'confirm_password': 'barpass',

        }

        # Submit this form  -  Doesn't work since there is no csrf token

        output = self.app.post('/user/new', data=data)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>New user - Pagure</title>', output.data)

        self.assertIn(

            '<form action="/user/new" method="post">', output.data)</form>

        csrf_token = output.data.split(

            'name="csrf_token" type="hidden" value="')[1].split('">')[0]

        # Submit the form with the csrf token

        data['csrf_token'] = csrf_token

        output = self.app.post('/user/new', data=data, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>New user - Pagure</title>', output.data)

        self.assertIn(

            '<form action="/user/new" method="post">', output.data)</form>

        self.assertIn('Username already taken.', output.data)

        # Submit the form with another username

        data['user'] = 'foouser'

        output = self.app.post('/user/new', data=data, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>New user - Pagure</title>', output.data)

        self.assertIn('Email address already taken.', output.data)

        # Submit the form with proper data

        data['email_address'] = 'foo@example.com'

        output = self.app.post('/user/new', data=data, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Login - Pagure</title>', output.data)

        self.assertIn(

            'User created, please check your email to activate the account',

            output.data)

        # Check after:

        items = pagure.lib.search_user(self.session)

        self.assertEqual(3, len(items))

    def test_do_login(self):

        """ Test the do_login endpoint. """

        output = self.app.get('/login/')

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Login - Pagure</title>', output.data)

        self.assertIn(

            '<form action="/dologin" method="post">', output.data)</form>

        # This has all the data needed

        data = {

            'username': 'foouser',

            'password': 'barpass',

        }

        # Submit this form  -  Doesn't work since there is no csrf token

        output = self.app.post('/dologin', data=data, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Login - Pagure</title>', output.data)

        self.assertIn(

            '<form action="/dologin" method="post">', output.data)</form>

        self.assertIn('Insufficient information provided', output.data)

        csrf_token = output.data.split(

            'name="csrf_token" type="hidden" value="')[1].split('">')[0]

        # Submit the form with the csrf token  -  but invalid user

        data['csrf_token'] = csrf_token

        output = self.app.post('/dologin', data=data, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Login - Pagure</title>', output.data)

        self.assertIn(

            '<form action="/dologin" method="post">', output.data)</form>

        self.assertIn('Username or password invalid.', output.data)

        # Create a local user

        self.test_new_user()

        items = pagure.lib.search_user(self.session)

        self.assertEqual(3, len(items))

        # Submit the form with the csrf token  -  but user not confirmed

        data['csrf_token'] = csrf_token

        output = self.app.post('/dologin', data=data, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Login - Pagure</title>', output.data)

        self.assertIn(

            '<form action="/dologin" method="post">', output.data)</form>

        self.assertIn(

            'Invalid user, did you confirm the creation with the url '

            'provided by email?', output.data)

        # User in the DB, csrf provided  -  but wrong password submitted

        data['password'] = 'password'

        output = self.app.post('/dologin', data=data, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Login - Pagure</title>', output.data)

        self.assertIn(

            '<form action="/dologin" method="post">', output.data)</form>

        self.assertIn('Username or password invalid.', output.data)

        # When account is not confirmed i.e user_obj != None

        data['password'] = 'barpass'

        output = self.app.post('/dologin', data=data, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Login - Pagure</title>', output.data)

        self.assertIn(

            '<form action="/dologin" method="post">', output.data)</form>

        self.assertIn(

            'Invalid user, did you confirm the creation with the url '

            'provided by email?', output.data)

        # Wrong password submitted

        data['password'] = 'password'

        output = self.app.post('/dologin', data=data, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Login - Pagure</title>', output.data)

        self.assertIn(

            '<form action="/dologin" method="post">', output.data)</form>

        self.assertIn('Username or password invalid.', output.data)

        # When account is not confirmed i.e user_obj != None

        data['password'] = 'barpass'

        output = self.app.post('/dologin', data=data, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Login - Pagure</title>', output.data)

        self.assertIn(

            '<form action="/dologin" method="post">', output.data)</form>

        self.assertIn(

            'Invalid user, did you confirm the creation with the url '

            'provided by email?', output.data)

        # Confirm the user so that we can log in

        item = pagure.lib.search_user(self.session, username='foouser')

        self.assertEqual(item.user, 'foouser')

        self.assertNotEqual(item.token, None)

        # Remove the token

        item.token = None

        self.session.add(item)

        self.session.commit

        # Check the user

        item = pagure.lib.search_user(self.session, username='foouser')

        self.assertEqual(item.user, 'foouser')

        self.assertEqual(item.token, None)

        # Login but cannot save the session to the DB due to the missing IP

        # address in the flask request

        data['password'] = 'barpass'

        output = self.app.post('/dologin', data=data, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Home - Pagure</title>', output.data)

        self.assertIn(

            '

            'href="/login/?next=http://localhost/">', output.data)

        # I'm not sure if the change was in flask or werkzeug, but in older

        # version flask.request.remote_addr was returning None, while it

        # now returns 127.0.0.1 making our logic pass where it used to

        # partly fail

        if hasattr(flask, '__version__') and \

                tuple(flask.__version__.split('.')) <= (0,12,0):

            self.assertIn(

                'Could not set the session in the db, please report '

                'this error to an admin', output.data)

        # Make the password invalid

        item = pagure.lib.search_user(self.session, username='foouser')

        self.assertEqual(item.user, 'foouser')

        self.assertTrue(item.password.startswith('$2$'))

        # Remove the $2$

        item.password = item.password[3:]

        self.session.add(item)

        self.session.commit

        # Check the password

        item = pagure.lib.search_user(self.session, username='foouser')

        self.assertEqual(item.user, 'foouser')

        self.assertFalse(item.password.startswith('$2$'))

        # Try login again

        output = self.app.post('/dologin', data=data, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Login - Pagure</title>', output.data)

        self.assertIn(

            '<form action="/dologin" method="post">', output.data)</form>

        self.assertIn('Username or password of invalid format.', output.data)

        # Make the password be version 1

        item = pagure.lib.search_user(self.session, username='foouser')

        self.assertEqual(item.user, 'foouser')

        self.assertTrue(item.password.startswith('$2$'))

        # V1 password

        password = '%s%s' % ('barpass', None)

        password = hashlib.sha512(password).hexdigest()

        item.token = None

        item.password = '$1$%s' % password

        self.session.add(item)

        self.session.commit

        # Check the password

        item = pagure.lib.search_user(self.session, username='foouser')

        self.assertEqual(item.user, 'foouser')

        self.assertTrue(item.password.startswith('$1$'))

        # Log in with a v1 password

        output = self.app.post('/dologin', data=data, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Home - Pagure</title>', output.data)

        self.assertIn(

            '

            'href="/login/?next=http://localhost/">', output.data)

        # I'm not sure if the change was in flask or werkzeug, but in older

        # version flask.request.remote_addr was returning None, while it

        # now returns 127.0.0.1 making our logic pass where it used to

        # partly fail

        if hasattr(flask, '__version__') and \

                tuple(flask.__version__.split('.')) <= (0,12,0):

            self.assertIn(

                'Could not set the session in the db, please report '

                'this error to an admin', output.data)

    def test_confirm_user(self):

        """ Test the confirm_user endpoint. """

        output = self.app.get('/confirm/foo', follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Home - Pagure</title>', output.data)

        self.assertIn(

            'No user associated with this token.', output.data)

        # Create a local user

        self.test_new_user()

        items = pagure.lib.search_user(self.session)

        self.assertEqual(3, len(items))

        item = pagure.lib.search_user(self.session, username='foouser')

        self.assertEqual(item.user, 'foouser')

        self.assertTrue(item.password.startswith('$2$'))

        self.assertNotEqual(item.token, None)

        output = self.app.get(

            '/confirm/%s' % item.token, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Login - Pagure</title>', output.data)

        self.assertIn(

            'Email confirmed, account activated', output.data)

    @patch('pagure.lib.notify.send_email', MagicMock(return_value=True))

    def test_lost_password(self):

        """ Test the lost_password endpoint. """

        output = self.app.get('/password/lost')

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Lost password - Pagure</title>', output.data)

        self.assertIn(

            '<form action="/password/lost" method="post">', output.data)</form>

        # Prepare the data to send

        data = {

            'username': 'foouser',

        }

        # Missing CSRF

        output = self.app.post('/password/lost', data=data)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Lost password - Pagure</title>', output.data)

        self.assertIn(

            '<form action="/password/lost" method="post">', output.data)</form>

        csrf_token = output.data.split(

            'name="csrf_token" type="hidden" value="')[1].split('">')[0]

        # With the CSRF  -  But invalid user

        data['csrf_token'] = csrf_token

        output = self.app.post(

            '/password/lost', data=data, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Login - Pagure</title>', output.data)

        self.assertIn('Username invalid.', output.data)

        # With the CSRF and a valid user

        data['username'] = 'foo'

        output = self.app.post(

            '/password/lost', data=data, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Login - Pagure</title>', output.data)

        self.assertIn(

            'Check your email to finish changing your password', output.data)

        # With the CSRF and a valid user  -  but too quick after the last one

        data['username'] = 'foo'

        output = self.app.post(

            '/password/lost', data=data, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Login - Pagure</title>', output.data)

        self.assertIn(

            'An email was sent to you less than 3 minutes ago, did you '

            'check your spam folder? Otherwise, try again after some time.',

            output.data)

    @patch('pagure.lib.notify.send_email', MagicMock(return_value=True))

    def test_reset_password(self):

        """ Test the reset_password endpoint. """

        output = self.app.get('/password/reset/foo', follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Login - Pagure</title>', output.data)

        self.assertIn('No user associated with this token.', output.data)

        self.assertIn('<form action="/dologin" method="post">', output.data)</form>

        self.test_lost_password()

        self.test_new_user()

        # Check the password

        item = pagure.lib.search_user(self.session, username='foouser')

        self.assertEqual(item.user, 'foouser')

        self.assertNotEqual(item.token, None)

        self.assertTrue(item.password.startswith('$2$'))

        old_password = item.password

        token = item.token

        output = self.app.get(

            '/password/reset/%s' % token, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Change password - Pagure</title>', output.data)

        self.assertIn(

            '

        data = {

            'password': 'passwd',

            'confirm_password': 'passwd',

        }

        # Missing CSRF

        output = self.app.post(

            '/password/reset/%s' % token, data=data, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Change password - Pagure</title>', output.data)

        self.assertIn(

            '

        csrf_token = output.data.split(

            'name="csrf_token" type="hidden" value="')[1].split('">')[0]

        # With CSRF

        data['csrf_token'] = csrf_token

        output = self.app.post(

            '/password/reset/%s' % token, data=data, follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Login - Pagure</title>', output.data)

        self.assertIn('Password changed', output.data)

    def test_change_password(self):

        """ Test the change_password endpoint. """

        # Not logged in, redirects

        output = self.app.get('/password/change', follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Login - Pagure</title>', output.data)

        self.assertIn('<form action="/dologin" method="post">', output.data)</form>

        user = tests.FakeUser()

        with tests.user_set(pagure.APP, user):

            output = self.app.get('/password/change')

            self.assertEqual(output.status_code, 404)

            self.assertIn('User not found', output.data)

        user = tests.FakeUser(username='foo')

        with tests.user_set(pagure.APP, user):

            output = self.app.get('/password/change')

            self.assertEqual(output.status_code, 200)

            self.assertIn(

                '<title>Change password - Pagure</title>', output.data)

            self.assertIn(

                '<form action="/password/change" method="post">', output.data)</form>

            data = {

                'old_password': 'foo',

                'password': 'foo',

                'confirm_password': 'foo',

            }

            # No CSRF token

            output = self.app.post('/password/change', data=data)

            self.assertEqual(output.status_code, 200)

            self.assertIn(

                '<title>Change password - Pagure</title>', output.data)

            self.assertIn(

                '<form action="/password/change" method="post">', output.data)</form>

            csrf_token = output.data.split(

                'name="csrf_token" type="hidden" value="')[1].split('">')[0]

            # With CSRF  -  Invalid password format

            data['csrf_token'] = csrf_token

            output = self.app.post(

                '/password/change', data=data, follow_redirects=True)

            self.assertEqual(output.status_code, 200)

            self.assertIn('<title>Home - Pagure</title>', output.data)

            self.assertIn(

                'Could not update your password, either user or password '

                'could not be checked', output.data)

        self.test_new_user()

        # Remove token of foouser

        item = pagure.lib.search_user(self.session, username='foouser')

        self.assertEqual(item.user, 'foouser')

        self.assertNotEqual(item.token, None)

        self.assertTrue(item.password.startswith('$2$'))

        item.token = None

        self.session.add(item)

        self.session.commit()

        user = tests.FakeUser(username='foouser')

        with tests.user_set(pagure.APP, user):

            output = self.app.get('/password/change')

            self.assertEqual(output.status_code, 200)

            self.assertIn(

                '<title>Change password - Pagure</title>', output.data)

            self.assertIn(

                '<form action="/password/change" method="post">', output.data)</form>

            data = {

                'old_password': 'foo',

                'password': 'foo',

                'confirm_password': 'foo',

            }

            # No CSRF token

            output = self.app.post('/password/change', data=data)

            self.assertEqual(output.status_code, 200)

            self.assertIn(

                '<title>Change password - Pagure</title>', output.data)

            self.assertIn(

                '<form action="/password/change" method="post">', output.data)</form>

            csrf_token = output.data.split(

                'name="csrf_token" type="hidden" value="')[1].split('">')[0]

            # With CSRF  -  Incorrect password

            data['csrf_token'] = csrf_token

            output = self.app.post(

                '/password/change', data=data, follow_redirects=True)

            self.assertEqual(output.status_code, 200)

            self.assertIn('<title>Home - Pagure</title>', output.data)

            self.assertIn(

                'Could not update your password, either user or password '

                'could not be checked', output.data)

            # With CSRF  -  Correct password

            data['old_password'] = 'barpass'

            output = self.app.post(

                '/password/change', data=data, follow_redirects=True)

            self.assertEqual(output.status_code, 200)

            self.assertIn('<title>Home - Pagure</title>', output.data)

            self.assertIn('Password changed', output.data)

    def test_logout(self):

        """ Test the auth_logout endpoint for local login. """

        output = self.app.get('/logout/', follow_redirects=True)

        self.assertEqual(output.status_code, 200)

        self.assertIn('<title>Home - Pagure</title>', output.data)

        self.assertNotIn('You have been logged out', output.data)

        self.assertIn(

            '

            'href="/login/?next=http://localhost/">', output.data)

        user = tests.FakeUser(username='foo')

        with tests.user_set(pagure.APP, user):

            output = self.app.get('/logout/', follow_redirects=True)

            self.assertEqual(output.status_code, 200)

            self.assertIn('<title>Home - Pagure</title>', output.data)

            self.assertIn('You have been logged out', output.data)

            # Due to the way the tests are running we do not actually

            # log out

            self.assertIn(

                'Log Out',

                output.data)

    def test_settings_admin_session_timedout(self):

        """ Test the admin_session_timedout with settings endpoint. """

        lifetime = pagure.APP.config.get('ADMIN_SESSION_LIFETIME',

                                         datetime.timedelta(minutes=15))

        td1 = datetime.timedelta(minutes=1)

        # session already expired

        user = tests.FakeUser(username='foo')

        user.login_time = datetime.datetime.utcnow() - lifetime - td1

        with tests.user_set(pagure.APP, user):

            # not following the redirect because user_set contextmanager

            # will run again for the login page and set back the user

            # which results in a loop, since admin_session_timedout will

            # redirect again for the login page

            output = self.app.get('/settings/')

            self.assertEqual(output.status_code, 302)

            self.assertIn('http://localhost/login/', output.location)

        # session did not expire

        user.login_time = datetime.datetime.utcnow() - lifetime + td1

        with tests.user_set(pagure.APP, user):

            output = self.app.get('/settings/')

            self.assertEqual(output.status_code, 200)

    @patch('flask.flash')

    @patch('flask.g')

    def test_admin_session_timedout(self, g, flash):

        """ Test the call to admin_session_timedout. """

        lifetime = pagure.APP.config.get('ADMIN_SESSION_LIFETIME',

                                         datetime.timedelta(minutes=15))

        td1 = datetime.timedelta(minutes=1)

        # session already expired

        user = tests.FakeUser(username='foo')

        user.login_time = datetime.datetime.utcnow() - lifetime - td1

        g.fas_user = user

        self.assertTrue(pagure.admin_session_timedout())

        # session did not expire

        user.login_time = datetime.datetime.utcnow() - lifetime + td1

        g.fas_user = user

        self.assertFalse(pagure.admin_session_timedout())

if __name__ == '__main__':

    unittest.main(verbosity=2)