html_escape_table = {

    "&": "&",

    '"': """,

    "'": "'",

    ">": ">",

    "<": "&lt;",

}

def html_escape(text):

    """Produce entities within text."""

    return "".join(html_escape_table.get(c,c) for c in text)

"""

Set of generic validators

"""

import os

import re

import formencode

import logging

from pylons.i18n.translation import _

from webhelpers.pylonslib.secure_form import authentication_token

from formencode.validators import (

    UnicodeString, OneOf, Int, Number, Regex, Email, Bool, StringBoolean, Set

)

from rhodecode.lib.utils import repo_name_slug

from rhodecode.model.db import RepoGroup, Repository, UsersGroup, User

from rhodecode.lib.auth import authenticate

from rhodecode.lib.exceptions import LdapImportError

from rhodecode.config.routing import ADMIN_PREFIX

# silence warnings and pylint

UnicodeString, OneOf, Int, Number, Regex, Email, Bool, StringBoolean, Set

log = logging.getLogger(__name__)

class StateObj(object):

    """

    this is needed to translate the messages using _() in validators

    """

    _ = staticmethod(_)

def M(self, key, state=None, **kwargs):

    """

    returns string from self.message based on given key,

    passed kw params are used to substitute %(named)s params inside

    translated strings

    :param msg:

    :param state:

    """

    if state is None:

        state = StateObj()

    else:

        state._ = staticmethod(_)

    #inject validator into state object

    return self.message(key, state, **kwargs)

def ValidUsername(edit=False, old_data={}):

    class _validator(formencode.validators.FancyValidator):

        messages = {

            'username_exists': _(u'Username "%(username)s" already exists'),

            'system_invalid_username':

                _(u'Username "%(username)s" is forbidden'),

            'invalid_username':

                _(u'Username may only contain alphanumeric characters '

                  'underscores, periods or dashes and must begin with '

                  'alphanumeric character')

        }

        def validate_python(self, value, state):

            if value in ['default', 'new_user']:

                msg = M(self, 'system_invalid_username', state, username=value)

                raise formencode.Invalid(msg, value, state)

            #check if user is unique

            old_un = None

            if edit:

                old_un = User.get(old_data.get('user_id')).username

            if old_un != value or not edit:

                if User.get_by_username(value, case_insensitive=True):

                    msg = M(self, 'username_exists', state, username=value)

                    raise formencode.Invalid(msg, value, state)

            if re.match(r'^[a-zA-Z0-9]{1}[a-zA-Z0-9\-\_\.]+$', value) is None:

                msg = M(self, 'invalid_username', state)

                raise formencode.Invalid(msg, value, state)

    return _validator

def ValidRepoUser():

    class _validator(formencode.validators.FancyValidator):

        messages = {

            'invalid_username': _(u'Username %(username)s is not valid')

        }

        def validate_python(self, value, state):

            try:

                User.query().filter(User.active == True)\

                    .filter(User.username == value).one()

            except Exception:

                msg = M(self, 'invalid_username', state, username=value)

                raise formencode.Invalid(msg, value, state,

                    error_dict=dict(username=msg)

                )

    return _validator

def ValidUsersGroup(edit=False, old_data={}):

    class _validator(formencode.validators.FancyValidator):

        messages = {

            'invalid_group': _(u'Invalid users group name'),

            'group_exist': _(u'Users group "%(usersgroup)s" already exists'),

            'invalid_usersgroup_name':

                _(u'users group name may only contain  alphanumeric '

                  'characters underscores, periods or dashes and must begin '

                  'with alphanumeric character')

        }

        def validate_python(self, value, state):

            if value in ['default']:

                msg = M(self, 'invalid_group', state)

                raise formencode.Invalid(msg, value, state,

                    error_dict=dict(users_group_name=msg)

                )

            #check if group is unique

            old_ugname = None

            if edit:

                old_id = old_data.get('users_group_id')

                old_ugname = UsersGroup.get(old_id).users_group_name

            if old_ugname != value or not edit:

                is_existing_group = UsersGroup.get_by_group_name(value,

                                                        case_insensitive=True)

                if is_existing_group:

                    msg = M(self, 'group_exist', state, usersgroup=value)

                    raise formencode.Invalid(msg, value, state,

                        error_dict=dict(users_group_name=msg)

                    )

            if re.match(r'^[a-zA-Z0-9]{1}[a-zA-Z0-9\-\_\.]+$', value) is None:

                msg = M(self, 'invalid_usersgroup_name', state)

                raise formencode.Invalid(msg, value, state,

                    error_dict=dict(users_group_name=msg)

                )

    return _validator

def ValidReposGroup(edit=False, old_data={}):

    class _validator(formencode.validators.FancyValidator):

        messages = {

            'group_parent_id': _(u'Cannot assign this group as parent'),

            'group_exists': _(u'Group "%(group_name)s" already exists'),

            'repo_exists':

                _(u'Repository with name "%(group_name)s" already exists')

        }

        def validate_python(self, value, state):

            # TODO WRITE VALIDATIONS

            group_name = value.get('group_name')

            group_parent_id = value.get('group_parent_id')

            # slugify repo group just in case :)

            slug = repo_name_slug(group_name)

            # check for parent of self

            parent_of_self = lambda: (

                old_data['group_id'] == int(group_parent_id)

                if group_parent_id else False

            )

            if edit and parent_of_self():

                msg = M(self, 'group_parent_id', state)

                raise formencode.Invalid(msg, value, state,

                    error_dict=dict(group_parent_id=msg)

                )

            old_gname = None

            if edit:

                old_gname = RepoGroup.get(old_data.get('group_id')).group_name

            if old_gname != group_name or not edit:

                # check group

                gr = RepoGroup.query()\

                      .filter(RepoGroup.group_name == slug)\

                      .filter(RepoGroup.group_parent_id == group_parent_id)\

                      .scalar()

                if gr:

                    msg = M(self, 'group_exists', state, group_name=slug)

                    raise formencode.Invalid(msg, value, state,

                            error_dict=dict(group_name=msg)

                    )

                # check for same repo

                repo = Repository.query()\

                      .filter(Repository.repo_name == slug)\

                      .scalar()

                if repo:

                    msg = M(self, 'repo_exists', state, group_name=slug)

                    raise formencode.Invalid(msg, value, state,

                            error_dict=dict(group_name=msg)

                    )

    return _validator

def ValidPassword():

    class _validator(formencode.validators.FancyValidator):

        messages = {

            'invalid_password':

                _(u'Invalid characters (non-ascii) in password')

        }

        def validate_python(self, value, state):

            try:

                (value or '').decode('ascii')

            except UnicodeError:

                msg = M(self, 'invalid_password', state)

                raise formencode.Invalid(msg, value, state,)

    return _validator

def ValidPasswordsMatch():

    class _validator(formencode.validators.FancyValidator):

        messages = {

            'password_mismatch': _(u'Passwords do not match'),

        }

        def validate_python(self, value, state):

            pass_val = value.get('password') or value.get('new_password')

            if pass_val != value['password_confirmation']:

                msg = M(self, 'password_mismatch', state)

                raise formencode.Invalid(msg, value, state,

                     error_dict=dict(password_confirmation=msg)

                )

    return _validator

def ValidAuth():

    class _validator(formencode.validators.FancyValidator):

        messages = {

            'invalid_password': _(u'invalid password'),

            'invalid_username': _(u'invalid user name'),

            'disabled_account': _(u'Your account is disabled')

        }

        def validate_python(self, value, state):

            password = value['password']

            username = value['username']

            if not authenticate(username, password):

                user = User.get_by_username(username)

                if user and user.active is False:

                    log.warning('user %s is disabled' % username)

                    msg = M(self, 'disabled_account', state)

                    raise formencode.Invalid(msg, value, state,

                        error_dict=dict(username=msg)

                    )

                else:

                    log.warning('user %s failed to authenticate' % username)

                    msg = M(self, 'invalid_username', state)

                    msg2 = M(self, 'invalid_password', state)

                    raise formencode.Invalid(msg, value, state,

                        error_dict=dict(username=msg, password=msg2)

                    )

    return _validator

def ValidAuthToken():

    class _validator(formencode.validators.FancyValidator):

        messages = {

            'invalid_token': _(u'Token mismatch')

        }

        def validate_python(self, value, state):

            if value != authentication_token():

                msg = M(self, 'invalid_token', state)

                raise formencode.Invalid(msg, value, state)

    return _validator

def ValidRepoName(edit=False, old_data={}):

    class _validator(formencode.validators.FancyValidator):

        messages = {

            'invalid_repo_name':

                _(u'Repository name %(repo)s is disallowed'),

            'repository_exists':

                _(u'Repository named %(repo)s already exists'),

            'repository_in_group_exists': _(u'Repository "%(repo)s" already '

                                            'exists in group "%(group)s"'),

            'same_group_exists': _(u'Repositories group with name "%(repo)s" '

                                   'already exists')

        }

        def _to_python(self, value, state):

            repo_name = repo_name_slug(value.get('repo_name', ''))

            repo_group = value.get('repo_group')

            if repo_group:

                gr = RepoGroup.get(repo_group)

                group_path = gr.full_path

                group_name = gr.group_name

                # value needs to be aware of group name in order to check

                # db key This is an actual just the name to store in the

                # database

                repo_name_full = group_path + RepoGroup.url_sep() + repo_name

            else:

                group_name = group_path = ''

                repo_name_full = repo_name

            value['repo_name'] = repo_name

            value['repo_name_full'] = repo_name_full

            value['group_path'] = group_path

            value['group_name'] = group_name

            return value

        def validate_python(self, value, state):

            repo_name = value.get('repo_name')

            repo_name_full = value.get('repo_name_full')

            group_path = value.get('group_path')

            group_name = value.get('group_name')

            if repo_name in [ADMIN_PREFIX, '']:

                msg = M(self, 'invalid_repo_name', state, repo=repo_name)

                raise formencode.Invalid(msg, value, state,

                    error_dict=dict(repo_name=msg)

                )

            rename = old_data.get('repo_name') != repo_name_full

            create = not edit

            if rename or create:

                if group_path != '':

                    if Repository.get_by_repo_name(repo_name_full):

                        msg = M(self, 'repository_in_group_exists', state,

                                repo=repo_name, group=group_name)

                        raise formencode.Invalid(msg, value, state,

                            error_dict=dict(repo_name=msg)

                        )

                elif RepoGroup.get_by_group_name(repo_name_full):

                        msg = M(self, 'same_group_exists', state,

                                repo=repo_name)

                        raise formencode.Invalid(msg, value, state,

                            error_dict=dict(repo_name=msg)

                        )

                elif Repository.get_by_repo_name(repo_name_full):

                        msg = M(self, 'repository_exists', state,

                                repo=repo_name)

                        raise formencode.Invalid(msg, value, state,

                            error_dict=dict(repo_name=msg)

                        )

            return value

    return _validator

def ValidForkName(*args, **kwargs):

    return ValidRepoName(*args, **kwargs)

def SlugifyName():

    class _validator(formencode.validators.FancyValidator):

        def _to_python(self, value, state):

            return repo_name_slug(value)

        def validate_python(self, value, state):

            pass

    return _validator

def ValidCloneUri():

    from rhodecode.lib.utils import make_ui

    def url_handler(repo_type, url, proto, ui=None):

        if repo_type == 'hg':

            from mercurial.httprepo import httprepository, httpsrepository

            if proto == 'https':

                httpsrepository(make_ui('db'), url).capabilities

            elif proto == 'http':

                httprepository(make_ui('db'), url).capabilities

        elif repo_type == 'git':

            #TODO: write a git url validator

            pass

    class _validator(formencode.validators.FancyValidator):

        messages = {

            'clone_uri': _(u'invalid clone url'),

            'invalid_clone_uri': _(u'Invalid clone url, provide a '

                                    'valid clone http\s url')

        }

        def validate_python(self, value, state):

            repo_type = value.get('repo_type')

            url = value.get('clone_uri')

            if not url:

                pass

            elif url.startswith('https') or url.startswith('http'):

                _type = 'https' if url.startswith('https') else 'http'

                try:

                    url_handler(repo_type, url, _type, make_ui('db'))

                except Exception:

                    log.exception('Url validation failed')

                    msg = M(self, 'clone_uri')

                    raise formencode.Invalid(msg, value, state,

                        error_dict=dict(clone_uri=msg)

                    )

            else:

                msg = M(self, 'invalid_clone_uri', state)

                raise formencode.Invalid(msg, value, state,

                    error_dict=dict(clone_uri=msg)

                )

    return _validator

def ValidForkType(old_data={}):

    class _validator(formencode.validators.FancyValidator):

        messages = {

            'invalid_fork_type': _(u'Fork have to be the same type as parent')

        }

        def validate_python(self, value, state):

            if old_data['repo_type'] != value:

                msg = M(self, 'invalid_fork_type', state)

                raise formencode.Invalid(msg, value, state,

                    error_dict=dict(repo_type=msg)

                )

    return _validator

def ValidPerms(type_='repo'):

    if type_ == 'group':

        EMPTY_PERM = 'group.none'

    elif type_ == 'repo':

        EMPTY_PERM = 'repository.none'

    class _validator(formencode.validators.FancyValidator):

        messages = {

            'perm_new_member_name':

                _(u'This username or users group name is not valid')

        }

        def to_python(self, value, state):

            perms_update = []

            perms_new = []

            # build a list of permission to update and new permission to create

            for k, v in value.items():

                # means new added member to permissions

                if k.startswith('perm_new_member'):

                    new_perm = value.get('perm_new_member', False)

                    new_member = value.get('perm_new_member_name', False)

                    new_type = value.get('perm_new_member_type')

                    if new_member and new_perm:

                        if (new_member, new_perm, new_type) not in perms_new:

                            perms_new.append((new_member, new_perm, new_type))

                elif k.startswith('u_perm_') or k.startswith('g_perm_'):

                    member = k[7:]

                    t = {'u': 'user',

                         'g': 'users_group'

                    }[k[0]]

                    if member == 'default':

                        if value.get('private'):

                            # set none for default when updating to

                            # private repo

                            v = EMPTY_PERM

                    perms_update.append((member, v, t))

            value['perms_updates'] = perms_update

            value['perms_new'] = perms_new

            # update permissions

            for k, v, t in perms_new:

                try:

                    if t is 'user':

                        self.user_db = User.query()\

                            .filter(User.active == True)\

                            .filter(User.username == k).one()

                    if t is 'users_group':

                        self.user_db = UsersGroup.query()\

                            .filter(UsersGroup.users_group_active == True)\

                            .filter(UsersGroup.users_group_name == k).one()

                except Exception:

                    log.exception('Updated permission failed')

                    msg = M(self, 'perm_new_member_type', state)

                    raise formencode.Invalid(msg, value, state,

                        error_dict=dict(perm_new_member_name=msg)

                    )

            return value

    return _validator

def ValidSettings():

    class _validator(formencode.validators.FancyValidator):

        def _to_python(self, value, state):

            # settings  form can't edit user

            if 'user' in value:

                del value['user']

            return value

        def validate_python(self, value, state):

            pass

    return _validator

def ValidPath():

    class _validator(formencode.validators.FancyValidator):

        messages = {

            'invalid_path': _(u'This is not a valid path')

        }

        def validate_python(self, value, state):

            if not os.path.isdir(value):

                msg = M(self, 'invalid_path', state)

                raise formencode.Invalid(msg, value, state,

                    error_dict=dict(paths_root_path=msg)

                )

    return _validator

def UniqSystemEmail(old_data={}):

    class _validator(formencode.validators.FancyValidator):

        messages = {

            'email_taken': _(u'This e-mail address is already taken')

        }

        def _to_python(self, value, state):

            return value.lower()

        def validate_python(self, value, state):

            if (old_data.get('email') or '').lower() != value:

                user = User.get_by_email(value, case_insensitive=True)

                if user:

                    msg = M(self, 'email_taken', state)

                    raise formencode.Invalid(msg, value, state,

                        error_dict=dict(email=msg)

                    )

    return _validator

def ValidSystemEmail():

    class _validator(formencode.validators.FancyValidator):

        messages = {

            'non_existing_email': _(u'e-mail "%(email)s" does not exist.')

        }

        def _to_python(self, value, state):

            return value.lower()

        def validate_python(self, value, state):

            user = User.get_by_email(value, case_insensitive=True)

            if user is None:

                msg = M(self, 'non_existing_email', state, email=value)

                raise formencode.Invalid(msg, value, state,

                    error_dict=dict(email=msg)

                )

    return _validator

def LdapLibValidator():

    class _validator(formencode.validators.FancyValidator):

        messages = {

        }

        def validate_python(self, value, state):

            try:

                import ldap

                ldap  # pyflakes silence !

            except ImportError:

                raise LdapImportError()

    return _validator

def AttrLoginValidator():

    class _validator(formencode.validators.FancyValidator):

        messages = {

            'invalid_cn':

                  _(u'The LDAP Login attribute of the CN must be specified - '

                    'this is the name of the attribute that is equivalent '

                    'to "username"')

        }

        def validate_python(self, value, state):

            if not value or not isinstance(value, (str, unicode)):

                msg = M(self, 'invalid_cn', state)

                raise formencode.Invalid(msg, value, state,

                    error_dict=dict(ldap_attr_login=msg)

                )

    return _validator

from rhodecode.tests.nose_parametrized import parameterized

    'parameterized', 'environ', 'url', 'get_new_dir', 'TestController',

    'TESTS_TMP_PATH', 'HG_REPO', 'GIT_REPO', 'NEW_HG_REPO', 'NEW_GIT_REPO',

    'HG_FORK', 'GIT_FORK', 'TEST_USER_ADMIN_LOGIN', 'TEST_USER_REGULAR_LOGIN',

# nosetests --with-coverage --cover-package=rhodecode.model.validators rhodecode.tests.test_validators

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

import unittest

import formencode

from rhodecode.tests import *

from rhodecode.model import validators as v

from rhodecode.model.users_group import UsersGroupModel

from rhodecode.model.meta import Session

from rhodecode.model.repos_group import ReposGroupModel

from rhodecode.config.routing import ADMIN_PREFIX

class TestReposGroups(unittest.TestCase):

    def setUp(self):

        pass

    def tearDown(self):

        pass

    def test_Message_extractor(self):

        validator = v.ValidUsername()

        self.assertRaises(formencode.Invalid, validator.to_python, 'default')

        class StateObj(object):

            pass

        self.assertRaises(formencode.Invalid,

                          validator.to_python, 'default', StateObj)

    def test_ValidUsername(self):

        validator = v.ValidUsername()

        self.assertRaises(formencode.Invalid, validator.to_python, 'default')

        self.assertRaises(formencode.Invalid, validator.to_python, 'new_user')

        self.assertRaises(formencode.Invalid, validator.to_python, '.,')

        self.assertRaises(formencode.Invalid, validator.to_python,

                          TEST_USER_ADMIN_LOGIN)

        self.assertEqual('test', validator.to_python('test'))

        validator = v.ValidUsername(edit=True, old_data={'user_id': 1})

    def test_ValidRepoUser(self):

        validator = v.ValidRepoUser()

        self.assertRaises(formencode.Invalid, validator.to_python, 'nouser')

        self.assertEqual(TEST_USER_ADMIN_LOGIN,

                         validator.to_python(TEST_USER_ADMIN_LOGIN))

    def test_ValidUsersGroup(self):

        validator = v.ValidUsersGroup()

        self.assertRaises(formencode.Invalid, validator.to_python, 'default')

        self.assertRaises(formencode.Invalid, validator.to_python, '.,')

        gr = UsersGroupModel().create('test')

        gr2 = UsersGroupModel().create('tes2')

        Session.commit()

        self.assertRaises(formencode.Invalid, validator.to_python, 'test')

        assert gr.users_group_id != None

        validator = v.ValidUsersGroup(edit=True,

                                    old_data={'users_group_id':

                                              gr2.users_group_id})

        self.assertRaises(formencode.Invalid, validator.to_python, 'test')

        self.assertRaises(formencode.Invalid, validator.to_python, 'TesT')

        self.assertRaises(formencode.Invalid, validator.to_python, 'TEST')

        UsersGroupModel().delete(gr)

        UsersGroupModel().delete(gr2)

        Session.commit()

    def test_ValidReposGroup(self):

        validator = v.ValidReposGroup()

        model = ReposGroupModel()

        self.assertRaises(formencode.Invalid, validator.to_python,

                          {'group_name': HG_REPO, })

        gr = model.create(group_name='test_gr', group_description='desc',

                          parent=None,

                          just_db=True)

        self.assertRaises(formencode.Invalid,

                          validator.to_python, {'group_name': gr.group_name, })

        validator = v.ValidReposGroup(edit=True,

                                      old_data={'group_id':  gr.group_id})

        self.assertRaises(formencode.Invalid,

                          validator.to_python, {

                                        'group_name': gr.group_name + 'n',

                                        'group_parent_id': gr.group_id

                                        })

        model.delete(gr)

    def test_ValidPassword(self):

        validator = v.ValidPassword()

        self.assertEqual('lol', validator.to_python('lol'))

        self.assertEqual(None, validator.to_python(None))

        self.assertRaises(formencode.Invalid, validator.to_python, 'ąćżź')

    def test_ValidPasswordsMatch(self):

        validator = v.ValidPasswordsMatch()

        self.assertRaises(formencode.Invalid,

                    validator.to_python, {'password': 'pass',

                                          'password_confirmation': 'pass2'})

        self.assertRaises(formencode.Invalid,

                    validator.to_python, {'new_password': 'pass',

                                          'password_confirmation': 'pass2'})

        self.assertEqual({'new_password': 'pass',

                          'password_confirmation': 'pass'},

                    validator.to_python({'new_password': 'pass',

                                         'password_confirmation': 'pass'}))

        self.assertEqual({'password': 'pass',

                          'password_confirmation': 'pass'},

                    validator.to_python({'password': 'pass',

                                         'password_confirmation': 'pass'}))

    def test_ValidAuth(self):

        validator = v.ValidAuth()

        valid_creds = {

            'username': TEST_USER_REGULAR2_LOGIN,

            'password': TEST_USER_REGULAR2_PASS,

        }

        invalid_creds = {

            'username': 'err',

            'password': 'err',

        }

        self.assertEqual(valid_creds, validator.to_python(valid_creds))

        self.assertRaises(formencode.Invalid,