view test/test_security.py @ 8180:d02ce1d14acd

feat: issue2551068 - Provide way to retrieve file/msg data via rest endpoint. Use Allow header to change format of /binary_content endpoint. If Allow header for endpoint is not application/json, it will be matched against the mime type for the file. */*, text/* are supported and will return the native mime type if present. Changes: move */* mime type from static dict of supported types. It was hardcoded to return json only. Now it can return a matching non-json mime type for the /binary_content endpoint. Edited some errors to explicitly add */* mime type. Cleanups to use ', ' separation in lists of valid mime types rather than just space separated. Remove ETag header when sending raw content. See issue 2551375 for background. Doc added to rest.txt. Small format fix up (add dash) in CHANGES.txt. Make passing an unset/None/False accept_mime_type to format_dispatch_output a 500 error. This used to be the fallback to produce a 406 error after all processing had happened. It should no longer be possible to take that code path as all 406 errors (with valid accept_mime_types) are generated before processing takes place. Make format_dispatch_output handle output other than json/xml so it can send back binary_content data. Removed a spurious client.response_code = 400 that seems to not be used. Tests added for all code paths. Database setup for tests msg and file entry. This required a file upload test to change so it doesn't look for file1 as the link returned by the upload. Download the link and verify the data rather than verifying the link. Multiple formatting changes to error messages to make all lists of valid mime types ', ' an not just space separated.
author John Rouillard <rouilj@ieee.org>
date Sun, 08 Dec 2024 17:22:33 -0500
parents 5b1b876054ef
children 98011edc6c60
line wrap: on
line source

# Copyright (c) 2002 ekit.com Inc (http://www.ekit-inc.com/)
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
#   The above copyright notice and this permission notice shall be included in
#   all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

from __future__ import print_function
import os
import shutil
import unittest

from roundup import backends
import roundup.password
from .db_test_base import setupSchema, MyTestCase, config


class PermissionTest(MyTestCase, unittest.TestCase):
    def setUp(self):
        backend = backends.get_backend('anydbm')
        # remove previous test, ignore errors
        if os.path.exists(config.DATABASE):
            shutil.rmtree(config.DATABASE)
        os.makedirs(config.DATABASE + '/files')
        self.db = backend.Database(config, 'admin')
        setupSchema(self.db, 1, backend)

    def testInterfaceSecurity(self):
        ' test that the CGI and mailgw have initialised security OK '
        # TODO: some asserts

    def testInitialiseSecurity(self):
        ei = self.db.security.addPermission(
            name="Edit", klass="issue",
            description="User is allowed to edit issues")
        self.db.security.addPermissionToRole('User', ei)
        ai = self.db.security.addPermission(
            name="View", klass="issue",
            description="User is allowed to access issues")
        self.db.security.addPermissionToRole('User', ai)

    def testAdmin(self):
        ei = self.db.security.addPermission(
            name="Edit", klass="issue",
            description="User is allowed to edit issues")
        self.db.security.addPermissionToRole('User', ei)
        ei = self.db.security.addPermission(
            name="Edit", klass=None,
            description="User is allowed to edit issues")
        self.db.security.addPermissionToRole('Admin', ei)

        u1 = self.db.user.create(username='one', roles='Admin')
        u2 = self.db.user.create(username='two', roles='User')

        self.assertTrue(self.db.security.hasPermission('Edit', u1, None))
        self.assertTrue(not self.db.security.hasPermission('Edit', u2, None))

    def testGetPermission(self):
        self.db.security.getPermission('Edit')
        self.db.security.getPermission('View')
        self.assertRaises(ValueError, self.db.security.getPermission, 'x')
        self.assertRaises(ValueError, self.db.security.getPermission, 'Edit',
                          'fubar')

        add = self.db.security.addPermission
        get = self.db.security.getPermission

        # class
        ei = add(name="Edit", klass="issue")
        self.assertEqual(get('Edit', 'issue'), ei)
        ai = add(name="View", klass="issue")
        self.assertEqual(get('View', 'issue'), ai)

        # property
        epi1 = add(name="Edit", klass="issue", properties=['title'])
        self.assertEqual(get('Edit', 'issue', properties=['title']), epi1)
        epi2 = add(name="Edit", klass="issue", properties=['title'],
                   props_only=True)
        self.assertEqual(get('Edit', 'issue', properties=['title'],
                             props_only=False), epi1)
        self.assertEqual(get('Edit', 'issue', properties=['title'],
                             props_only=True), epi2)
        self.db.security.set_props_only_default(True)
        self.assertEqual(get('Edit', 'issue', properties=['title']), epi2)
        api1 = add(name="View", klass="issue", properties=['title'])
        self.assertEqual(get('View', 'issue', properties=['title']), api1)
        self.db.security.set_props_only_default(False)
        api2 = add(name="View", klass="issue", properties=['title'])
        self.assertEqual(get('View', 'issue', properties=['title']), api2)
        self.assertNotEqual(get('View', 'issue', properties=['title']), api1)

        # check function
        dummy = lambda: 0
        eci = add(name="Edit", klass="issue", check=dummy)
        self.assertEqual(get('Edit', 'issue', check=dummy), eci)
        # props_only only makes sense if you are setting props.
        # make it a no-op unless properties is set.
        self.assertEqual(get('Edit', 'issue', check=dummy,
                             props_only=True), eci)
        aci = add(name="View", klass="issue", check=dummy)
        self.assertEqual(get('View', 'issue', check=dummy), aci)

        # all
        epci = add(name="Edit", klass="issue", properties=['title'],
                   check=dummy)

        self.db.security.set_props_only_default(False)
        # implicit props_only=False
        self.assertEqual(get('Edit', 'issue', properties=['title'],
                             check=dummy), epci)
        # explicit props_only=False
        self.assertEqual(get('Edit', 'issue', properties=['title'],
                             check=dummy, props_only=False), epci)

        # implicit props_only=True
        self.db.security.set_props_only_default(True)
        self.assertRaises(ValueError, get, 'Edit', 'issue',
                          properties=['title'],
                          check=dummy)
        # explicit props_only=False
        self.assertRaises(ValueError, get, 'Edit', 'issue',
                          properties=['title'],
                          check=dummy, props_only=True)

        apci = add(name="View", klass="issue", properties=['title'],
                   check=dummy)
        self.assertEqual(get('View', 'issue', properties=['title'],
                             check=dummy), apci)

        # Reset to default. Somehow this setting looks like it
        # was bleeding through to other tests in test_xmlrpc.
        # Is the security module being loaded only once for all tests??
        self.db.security.set_props_only_default(False)

    def testDBinit(self):
        self.db.user.create(username="demo", roles='User')
        self.db.user.create(username="anonymous", roles='Anonymous')

    def testAccessControls(self):
        add = self.db.security.addPermission
        has = self.db.security.hasPermission
        addRole = self.db.security.addRole
        addToRole = self.db.security.addPermissionToRole

        none = self.db.user.create(username='none', roles='None')

        # test admin access
        addRole(name='Super')
        addToRole('Super', add(name="Test"))
        super = self.db.user.create(username='super', roles='Super')

        # test class-level access
        addRole(name='Role1')
        addToRole('Role1', add(name="Test", klass="test"))
        user1 = self.db.user.create(username='user1', roles='Role1')
        self.assertEqual(has('Test', user1, 'test'), 1)
        self.assertEqual(has('Test', super, 'test'), 1)
        self.assertEqual(has('Test', none, 'test'), 0)

        # property
        addRole(name='Role2')
        addToRole('Role2', add(name="Test", klass="test",
                               properties=['a', 'b']))
        user2 = self.db.user.create(username='user2', roles='Role2')

        # check function
        check_old_style = lambda db, userid, itemid: itemid == '2'
        # def check_old_style(db, userid, itemid):
        #    print "checking userid, itemid: %r"%((userid,itemid),)
        #    return(itemid == '2')

        # setup to check function new style. Make sure that
        # other args are passed.
        def check(db, userid, itemid, **other):
            prop = other['property']
            prop = other['classname']
            prop = other['permission']
            return (itemid == '1')

        # also create a check as a callable of a class
        #   https://issues.roundup-tracker.org/issue2550952
        class CheckClass(object):
            def __call__(self, db, userid, itemid, **other):
                prop = other['property']
                prop = other['classname']
                prop = other['permission']
                return (itemid == '1')

        addRole(name='Role3')
        # make sure check=CheckClass() and not check=CheckClass
        # otherwise we get:
        # inspectible <slot wrapper '__init__' of 'object' objects>
        addToRole('Role3', add(name="Test", klass="test", check=CheckClass()))
        user3 = self.db.user.create(username='user3', roles='Role3')

        addRole(name='Role4')
        addToRole('Role4', add(name="Test", klass="test", check=check,
                               properties='a', props_only=True))
        user4 = self.db.user.create(username='user4', roles='Role4')

        self.db.security.set_props_only_default(props_only=True)
        addRole(name='Role5')
        addToRole('Role5', add(name="Test", klass="test",
                               check=check_old_style, properties=['a']))
        user5 = self.db.user.create(username='user5', roles='Role5')

        self.db.security.set_props_only_default(False)
        addRole(name='Role6')
        addToRole('Role6', add(name="Test", klass="test", check=check,
                               properties=['a', 'b']))
        user6 = self.db.user.create(username='user6', roles='Role6')

        addRole(name='Role7')
        addToRole('Role7', add(name="Test", klass="test",
                               check=check_old_style,
                               properties=['a', 'b']))
        user7 = self.db.user.create(username='user7', roles='Role7')
        print(user7)

        # *any* access to class
        self.assertEqual(has('Test', user1, 'test'), 1)
        self.assertEqual(has('Test', user2, 'test'), 1)
        self.assertEqual(has('Test', user3, 'test'), 1)
        # user4 and user5 should not return true as the permission
        # is limited to property checks
        self.assertEqual(has('Test', user4, 'test'), 0)
        self.assertEqual(has('Test', user5, 'test'), 0)
        # user6 will will return access
        self.assertEqual(has('Test', user6, 'test'), 1)
        # will work because check is ignored, if check was
        # used this would work but next test would fail
        self.assertEqual(has('Test', user7, 'test', itemid='2'), 1)
        # returns true because class tests ignore the check command
        # if there is no itemid no check command is run
        self.assertEqual(has('Test', user7, 'test'), 1)
        self.assertEqual(has('Test', none, 'test'), 0)

        # *any* access to item
        self.assertEqual(has('Test', user1, 'test', itemid='1'), 1)
        self.assertEqual(has('Test', user2, 'test', itemid='1'), 1)
        self.assertEqual(has('Test', user3, 'test', itemid='1'), 1)
        self.assertEqual(has('Test', user4, 'test', itemid='1'), 0)
        self.assertEqual(has('Test', user5, 'test', itemid='1'), 0)
        self.assertEqual(has('Test', user6, 'test', itemid='1'), 1)
        self.assertEqual(has('Test', user7, 'test', itemid='2'), 1)
        self.assertEqual(has('Test', user7, 'test', itemid='1'), 0)
        self.assertEqual(has('Test', super, 'test', itemid='1'), 1)
        self.assertEqual(has('Test', none, 'test', itemid='1'), 0)

        # now property test: no default itemid so check functions not run.
        self.assertEqual(has('Test', user7, 'test', property='a'), 1)
        self.assertEqual(has('Test', user7, 'test', property='b'), 1)
        self.assertEqual(has('Test', user7, 'test', property='c'), 0)

        self.assertEqual(has('Test', user6, 'test', property='a'), 1)
        self.assertEqual(has('Test', user6, 'test', property='b'), 1)
        self.assertEqual(has('Test', user6, 'test', property='c'), 0)

        self.assertEqual(has('Test', user5, 'test', property='a'), 1)
        self.assertEqual(has('Test', user5, 'test', property='b'), 0)
        self.assertEqual(has('Test', user5, 'test', property='c'), 0)

        self.assertEqual(has('Test', user4, 'test', property='a'), 1)
        self.assertEqual(has('Test', user4, 'test', property='b'), 0)
        self.assertEqual(has('Test', user4, 'test', property='c'), 0)

        self.assertEqual(has('Test', user3, 'test', property='a'), 1)
        self.assertEqual(has('Test', user3, 'test', property='b'), 1)
        self.assertEqual(has('Test', user3, 'test', property='c'), 1)

        self.assertEqual(has('Test', user2, 'test', property='a'), 1)
        self.assertEqual(has('Test', user2, 'test', property='b'), 1)
        self.assertEqual(has('Test', user2, 'test', property='c'), 0)
        self.assertEqual(has('Test', user1, 'test', property='a'), 1)
        self.assertEqual(has('Test', user1, 'test', property='b'), 1)
        self.assertEqual(has('Test', user1, 'test', property='c'), 1)
        self.assertEqual(has('Test', super, 'test', property='a'), 1)
        self.assertEqual(has('Test', super, 'test', property='b'), 1)
        self.assertEqual(has('Test', super, 'test', property='c'), 1)
        self.assertEqual(has('Test', none, 'test', property='a'), 0)
        self.assertEqual(has('Test', none, 'test', property='b'), 0)
        self.assertEqual(has('Test', none, 'test', property='c'), 0)
        self.assertEqual(has('Test', none, 'test'), 0)

        # now check function
        self.assertEqual(has('Test', user7, 'test', itemid='1'), 0)
        self.assertEqual(has('Test', user7, 'test', itemid='2'), 1)
        self.assertEqual(has('Test', user6, 'test', itemid='1'), 1)
        self.assertEqual(has('Test', user6, 'test', itemid='2'), 0)
        # check functions will not run for user4/user5 since the
        # only perms are for properties only.
        self.assertEqual(has('Test', user5, 'test', itemid='1'), 0)
        self.assertEqual(has('Test', user5, 'test', itemid='2'), 0)
        self.assertEqual(has('Test', user4, 'test', itemid='1'), 0)
        self.assertEqual(has('Test', user4, 'test', itemid='2'), 0)
        self.assertEqual(has('Test', user3, 'test', itemid='1'), 1)
        self.assertEqual(has('Test', user3, 'test', itemid='2'), 0)
        self.assertEqual(has('Test', user2, 'test', itemid='1'), 1)
        self.assertEqual(has('Test', user2, 'test', itemid='2'), 1)
        self.assertEqual(has('Test', user1, 'test', itemid='2'), 1)
        self.assertEqual(has('Test', user1, 'test', itemid='2'), 1)
        self.assertEqual(has('Test', super, 'test', itemid='1'), 1)
        self.assertEqual(has('Test', super, 'test', itemid='2'), 1)
        self.assertEqual(has('Test', none, 'test', itemid='1'), 0)
        self.assertEqual(has('Test', none, 'test', itemid='2'), 0)

        # now mix property and check commands
        # check is old style props_only = false
        self.assertEqual(has('Test', user7, 'test', property="c",
                             itemid='2'), 0)
        self.assertEqual(has('Test', user7, 'test', property="c",
                             itemid='1'), 0)

        self.assertEqual(has('Test', user7, 'test', property="a",
                             itemid='2'), 1)
        self.assertEqual(has('Test', user7, 'test', property="a",
                             itemid='1'), 0)

        # check is new style props_only = false
        self.assertEqual(has('Test', user6, 'test', itemid='2',
                             property='c'), 0)
        self.assertEqual(has('Test', user6, 'test', itemid='1',
                             property='c'), 0)
        self.assertEqual(has('Test', user6, 'test', itemid='2',
                             property='b'), 0)
        self.assertEqual(has('Test', user6, 'test', itemid='1',
                             property='b'), 1)
        self.assertEqual(has('Test', user6, 'test', itemid='2',
                             property='a'), 0)
        self.assertEqual(has('Test', user6, 'test', itemid='1',
                             property='a'), 1)

        # check is old style props_only = true
        self.assertEqual(has('Test', user5, 'test', itemid='2',
                             property='b'), 0)
        self.assertEqual(has('Test', user5, 'test', itemid='1',
                             property='b'), 0)
        self.assertEqual(has('Test', user5, 'test', itemid='2',
                             property='a'), 1)
        self.assertEqual(has('Test', user5, 'test', itemid='1',
                             property='a'), 0)

        # check is new style props_only = true
        self.assertEqual(has('Test', user4, 'test', itemid='2',
                             property='b'), 0)
        self.assertEqual(has('Test', user4, 'test', itemid='1',
                             property='b'), 0)
        self.assertEqual(has('Test', user4, 'test', itemid='2',
                             property='a'), 0)
        self.assertEqual(has('Test', user4, 'test', itemid='1',
                             property='a'), 1)

    def testTransitiveSearchPermissions(self):
        add = self.db.security.addPermission
        has = self.db.security.hasSearchPermission
        addRole = self.db.security.addRole
        addToRole = self.db.security.addPermissionToRole
        addRole(name='User')
        addRole(name='Anonymous')
        addRole(name='Issue')
        addRole(name='Msg')
        addRole(name='UV')
        user = self.db.user.create(username='user1', roles='User')
        anon = self.db.user.create(username='anonymous', roles='Anonymous')
        ui = self.db.user.create(username='user2', roles='Issue')
        uim = self.db.user.create(username='user3', roles='Issue,Msg')
        uimu = self.db.user.create(username='user4', roles='Issue,Msg,UV')
        iv = add(name="View", klass="issue")
        addToRole('User', iv)
        addToRole('Anonymous', iv)
        addToRole('Issue', iv)
        ms = add(name="Search", klass="msg")
        addToRole('User', ms)
        addToRole('Anonymous', ms)
        addToRole('Msg', ms)
        uv = add(name="View", klass="user")
        addToRole('User', uv)
        addToRole('UV', uv)
        self.assertEqual(has(anon, 'issue', 'messages'), 1)
        self.assertEqual(has(anon, 'issue', 'messages.author'), 0)
        self.assertEqual(has(anon, 'issue', 'messages.author.username'), 0)
        self.assertEqual(has(anon, 'issue', 'messages.recipients'), 0)
        self.assertEqual(has(anon, 'issue', 'messages.recipients.username'), 0)
        self.assertEqual(has(user, 'issue', 'messages'), 1)
        self.assertEqual(has(user, 'issue', 'messages.author'), 1)
        self.assertEqual(has(user, 'issue', 'messages.author.username'), 1)
        self.assertEqual(has(user, 'issue', 'messages.recipients'), 1)
        self.assertEqual(has(user, 'issue', 'messages.recipients.username'), 1)

        self.assertEqual(has(ui, 'issue', 'messages'), 0)
        self.assertEqual(has(ui, 'issue', 'messages.author'), 0)
        self.assertEqual(has(ui, 'issue', 'messages.author.username'), 0)
        self.assertEqual(has(ui, 'issue', 'messages.recipients'), 0)
        self.assertEqual(has(ui, 'issue', 'messages.recipients.username'), 0)

        self.assertEqual(has(uim, 'issue', 'messages'), 1)
        self.assertEqual(has(uim, 'issue', 'messages.author'), 0)
        self.assertEqual(has(uim, 'issue', 'messages.author.username'), 0)
        self.assertEqual(has(uim, 'issue', 'messages.recipients'), 0)
        self.assertEqual(has(uim, 'issue', 'messages.recipients.username'), 0)

        self.assertEqual(has(uimu, 'issue', 'messages'), 1)
        self.assertEqual(has(uimu, 'issue', 'messages.author'), 1)
        self.assertEqual(has(uimu, 'issue', 'messages.author.username'), 1)
        self.assertEqual(has(uimu, 'issue', 'messages.recipients'), 1)
        self.assertEqual(has(uimu, 'issue', 'messages.recipients.username'), 1)

    # roundup.password has its own built-in tests, call them.
    def test_password(self):
        roundup.password.test()

        # pretend import of crypt failed
        orig_crypt = roundup.password.crypt
        roundup.password.crypt = None
        with self.assertRaises(roundup.password.PasswordValueError) as ctx:
            roundup.password.test_missing_crypt()
        self.assertEqual(ctx.exception.args[0],
                         "Unsupported encryption scheme 'crypt'")
        roundup.password.crypt = orig_crypt

    def test_pbkdf2_unpack_errors(self):
        pbkdf2_unpack = roundup.password.pbkdf2_unpack

        with self.assertRaises(roundup.password.PasswordValueError) as ctx:
            pbkdf2_unpack("fred$password")

        self.assertEqual(ctx.exception.args[0],
                         'invalid PBKDF2 hash (wrong number of separators)')

        with self.assertRaises(roundup.password.PasswordValueError) as ctx:
            pbkdf2_unpack("0200000$salt$password")

        self.assertEqual(ctx.exception.args[0],
                         'invalid PBKDF2 hash (zero-padded rounds)')

        with self.assertRaises(roundup.password.PasswordValueError) as ctx:
            pbkdf2_unpack("fred$salt$password")

        self.assertEqual(ctx.exception.args[0],
                         'invalid PBKDF2 hash (invalid rounds)')

    def test_empty_passwords(self):

        p = roundup.password.Password()

        with self.assertRaises(ValueError) as ctx:
            p == "foo"

        self.assertEqual(ctx.exception.args[0],
                         'Password not set')

        with self.assertRaises(ValueError) as ctx:
            p.__str__()

        self.assertEqual(ctx.exception.args[0],
                         'Password not set')

        # make sure it uses the default scheme
        default_scheme = roundup.password.Password.default_scheme
        p.setPassword("sekret", config=self.db.config)
        self.assertEqual(p.scheme, default_scheme)

    def test_pbkdf2_migrate_rounds(self):
        '''Check that migration happens when number of rounds in
           config is larger than number of rounds in current password.
        '''

        p = roundup.password.Password('sekrit', 'PBKDF2',
                                      config=self.db.config)

        self.db.config.PASSWORD_PBKDF2_DEFAULT_ROUNDS = 2000000

        os.environ["PYTEST_USE_CONFIG"] = "True"
        self.assertEqual(p.needs_migration(config=self.db.config), True)
        del(os.environ["PYTEST_USE_CONFIG"])

        # set up p with rounds under 1000. This is usually prevented,
        # but older software could generate smaller rounds.
        p.password = p.password.replace('1000$', '900$')
        self.assertEqual(p.needs_migration(config=self.db.config), True)

    def test_encodePassword_errors(self):
        self.db.config.PASSWORD_PBKDF2_DEFAULT_ROUNDS = 999

        os.environ["PYTEST_USE_CONFIG"] = "True"
        with self.assertRaises(roundup.password.PasswordValueError) as ctx:
            roundup.password.encodePassword('sekrit', 'PBKDF2',
                                            config=self.db.config)

        self.assertEqual(ctx.exception.args[0],
                         'invalid PBKDF2 hash (rounds too low)')

        del(os.environ["PYTEST_USE_CONFIG"])

        with self.assertRaises(roundup.password.PasswordValueError) as ctx:
            roundup.password.encodePassword('sekrit', 'fred',
                                            config=self.db.config)

        self.assertEqual(ctx.exception.args[0],
                         "Unknown encryption scheme 'fred'")

    def test_pbkdf2_errors(self):

        with self.assertRaises(ValueError) as ctx:
            roundup.password.pbkdf2('sekret', b'saltandpepper', 0, 41)

        self.assertEqual(ctx.exception.args[0],
                         "key length too large")

        with self.assertRaises(ValueError) as ctx:
            roundup.password.pbkdf2('sekret', b'saltandpepper', 0, 40)

        self.assertEqual(ctx.exception.args[0],
                         "rounds must be positive number")

    def test_pbkdf2_sha512_errors(self):

        with self.assertRaises(ValueError) as ctx:
            roundup.password.pbkdf2_sha512('sekret', b'saltandpepper', 0, 65)

        self.assertEqual(ctx.exception.args[0],
                         "key length too large")

        with self.assertRaises(ValueError) as ctx:
            roundup.password.pbkdf2_sha512('sekret', b'saltandpepper', 0, 64)

        self.assertEqual(ctx.exception.args[0],
                         "rounds must be positive number")

    def test_misc_functions(self):
        import random  # for fuzzing later

        v = roundup.password.bchr(64)
        if bytes == str:
            self.assertEqual(v, '@')
        else:
            self.assertEqual(v, b'@')

        v = roundup.password.bord(b'@')
        if bytes == str:
            self.assertEqual(v, 64)
        else:
            self.assertEqual(v, b'@')

        for plain, encode in (
                (b'tes', 'dGVz'),
                (b'test', 'dGVzdA'),
                (b'testb', "dGVzdGI"),
        ):
            v = roundup.password.h64encode(plain)
            self.assertEqual(v, encode)
            v = roundup.password.h64decode(v)
            self.assertEqual(v, plain)

        with self.assertRaises(ValueError) as ctx:
            v = roundup.password.h64decode("dGVzd")
            self.assertEqual(ctx.exception.args[0], "Invalid base64 input")

        # poor man's fuzzer
        if bytes == str:
            # alias range to xrange for python2, more efficient.
            range_ = xrange  # noqa: F821
        else:
            range_ = range

        for i in range_(25):
            plain = bytearray(random.getrandbits(8) for _ in range_(i*4))
            e = roundup.password.h64encode(plain)
            self.assertEqual(roundup.password.h64decode(e), plain)

    def test_encodePasswordNoConfig(self):
        # should run cleanly as we are in a test.
        #
        p = roundup.password.encodePassword('sekrit', 'PBKDF2')
        # verify 1000 rounds being used becaue we are in test mode
        self.assertTrue(p.startswith("1000$"))

        del(os.environ["PYTEST_CURRENT_TEST"])
        self.assertNotIn("PYTEST_CURRENT_TEST", os.environ)

        with self.assertRaises(roundup.password.ConfigNotSet) as ctx:
            roundup.password.encodePassword('sekrit', 'PBKDF2')

        self.assertEqual(ctx.exception.args[0],
                         "encodePassword called without config.")
# vim: set filetype=python sts=4 sw=4 et si :

Roundup Issue Tracker: http://roundup-tracker.org/