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validators.py
1089 lines | 41.9 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
# Copyright (C) 2010-2017 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
"""
Set of generic validators
"""
import logging
import os
import re
from collections import defaultdict
import formencode
import ipaddress
from formencode.validators import (
UnicodeString, OneOf, Int, Number, Regex, Email, Bool, StringBoolean, Set,
NotEmpty, IPAddress, CIDR, String, FancyValidator
)
from pylons.i18n.translation import _
from sqlalchemy.sql.expression import true
from sqlalchemy.util import OrderedSet
from webhelpers.pylonslib.secure_form import authentication_token
from rhodecode.authentication import (
legacy_plugin_prefix, _import_legacy_plugin)
from rhodecode.authentication.base import loadplugin
from rhodecode.config.routing import ADMIN_PREFIX
from rhodecode.lib.auth import HasRepoGroupPermissionAny, HasPermissionAny
from rhodecode.lib.utils import repo_name_slug, make_db_config
from rhodecode.lib.utils2 import safe_int, str2bool, aslist, md5
from rhodecode.lib.vcs.backends.git.repository import GitRepository
from rhodecode.lib.vcs.backends.hg.repository import MercurialRepository
from rhodecode.lib.vcs.backends.svn.repository import SubversionRepository
from rhodecode.model.db import (
RepoGroup, Repository, UserGroup, User, ChangesetStatus, Gist)
from rhodecode.model.settings import VcsSettingsModel
# silence warnings and pylint
UnicodeString, OneOf, Int, Number, Regex, Email, Bool, StringBoolean, Set, \
NotEmpty, IPAddress, CIDR, String, FancyValidator
log = logging.getLogger(__name__)
class _Missing(object):
pass
Missing = _Missing()
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 UniqueList(convert=None):
class _UniqueList(formencode.FancyValidator):
"""
Unique List !
"""
messages = {
'empty': _(u'Value cannot be an empty list'),
'missing_value': _(u'Value cannot be an empty list'),
}
def _to_python(self, value, state):
ret_val = []
def make_unique(value):
seen = []
return [c for c in value if not (c in seen or seen.append(c))]
if isinstance(value, list):
ret_val = make_unique(value)
elif isinstance(value, set):
ret_val = make_unique(list(value))
elif isinstance(value, tuple):
ret_val = make_unique(list(value))
elif value is None:
ret_val = []
else:
ret_val = [value]
if convert:
ret_val = map(convert, ret_val)
return ret_val
def empty_value(self, value):
return []
return _UniqueList
def UniqueListFromString():
class _UniqueListFromString(UniqueList()):
def _to_python(self, value, state):
if isinstance(value, basestring):
value = aslist(value, ',')
return super(_UniqueListFromString, self)._to_python(value, state)
return _UniqueListFromString
def ValidSvnPattern(section, repo_name=None):
class _validator(formencode.validators.FancyValidator):
messages = {
'pattern_exists': _(u'Pattern already exists'),
}
def validate_python(self, value, state):
if not value:
return
model = VcsSettingsModel(repo=repo_name)
ui_settings = model.get_svn_patterns(section=section)
for entry in ui_settings:
if value == entry.value:
msg = M(self, 'pattern_exists', state)
raise formencode.Invalid(msg, value, state)
return _validator
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 '
u'underscores, periods or dashes and must begin with '
u'alphanumeric character or underscore')
}
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'^[\w]{1}[\w\-\.]{0,254}$', value)
is None):
msg = M(self, 'invalid_username', state)
raise formencode.Invalid(msg, value, state)
return _validator
def ValidRegex(msg=None):
class _validator(formencode.validators.Regex):
messages = {'invalid': msg or _(u'The input is not valid')}
return _validator
def ValidRepoUser(allow_disabled=False):
class _validator(formencode.validators.FancyValidator):
messages = {
'invalid_username': _(u'Username %(username)s is not valid'),
'disabled_username': _(u'Username %(username)s is disabled')
}
def validate_python(self, value, state):
try:
user = User.query().filter(User.username == value).one()
except Exception:
msg = M(self, 'invalid_username', state, username=value)
raise formencode.Invalid(
msg, value, state, error_dict={'username': msg}
)
if user and (not allow_disabled and not user.active):
msg = M(self, 'disabled_username', state, username=value)
raise formencode.Invalid(
msg, value, state, error_dict={'username': msg}
)
return _validator
def ValidUserGroup(edit=False, old_data={}):
class _validator(formencode.validators.FancyValidator):
messages = {
'invalid_group': _(u'Invalid user group name'),
'group_exist': _(u'User group "%(usergroup)s" already exists'),
'invalid_usergroup_name':
_(u'user group name may only contain alphanumeric '
u'characters underscores, periods or dashes and must begin '
u'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={'users_group_name': msg}
)
# check if group is unique
old_ugname = None
if edit:
old_id = old_data.get('users_group_id')
old_ugname = UserGroup.get(old_id).users_group_name
if old_ugname != value or not edit:
is_existing_group = UserGroup.get_by_group_name(
value, case_insensitive=True)
if is_existing_group:
msg = M(self, 'group_exist', state, usergroup=value)
raise formencode.Invalid(
msg, value, state, error_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_usergroup_name', state)
raise formencode.Invalid(
msg, value, state, error_dict={'users_group_name': msg}
)
return _validator
def ValidRepoGroup(edit=False, old_data={}, can_create_in_root=False):
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" '
u'already exists'),
'permission_denied': _(u"no permission to store repository group"
u"in this location"),
'permission_denied_root': _(
u"no permission to store repository group "
u"in root location")
}
def _to_python(self, value, state):
group_name = repo_name_slug(value.get('group_name', ''))
group_parent_id = safe_int(value.get('group_parent_id'))
gr = RepoGroup.get(group_parent_id)
if gr:
parent_group_path = gr.full_path
# 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
group_name_full = (
parent_group_path + RepoGroup.url_sep() + group_name)
else:
group_name_full = group_name
value['group_name'] = group_name
value['group_name_full'] = group_name_full
value['group_parent_id'] = group_parent_id
return value
def validate_python(self, value, state):
old_group_name = None
group_name = value.get('group_name')
group_name_full = value.get('group_name_full')
group_parent_id = safe_int(value.get('group_parent_id'))
if group_parent_id == -1:
group_parent_id = None
group_obj = RepoGroup.get(old_data.get('group_id'))
parent_group_changed = False
if edit:
old_group_name = group_obj.group_name
old_group_parent_id = group_obj.group_parent_id
if group_parent_id != old_group_parent_id:
parent_group_changed = True
# TODO: mikhail: the following if statement is not reached
# since group_parent_id's OneOf validation fails before.
# Can be removed.
# check against setting a parent of self
parent_of_self = (
old_data['group_id'] == group_parent_id
if group_parent_id else False
)
if parent_of_self:
msg = M(self, 'group_parent_id', state)
raise formencode.Invalid(
msg, value, state, error_dict={'group_parent_id': msg}
)
# group we're moving current group inside
child_group = None
if group_parent_id:
child_group = RepoGroup.query().filter(
RepoGroup.group_id == group_parent_id).scalar()
# do a special check that we cannot move a group to one of
# it's children
if edit and child_group:
parents = [x.group_id for x in child_group.parents]
move_to_children = old_data['group_id'] in parents
if move_to_children:
msg = M(self, 'group_parent_id', state)
raise formencode.Invalid(
msg, value, state, error_dict={'group_parent_id': msg})
# Check if we have permission to store in the parent.
# Only check if the parent group changed.
if parent_group_changed:
if child_group is None:
if not can_create_in_root:
msg = M(self, 'permission_denied_root', state)
raise formencode.Invalid(
msg, value, state,
error_dict={'group_parent_id': msg})
else:
valid = HasRepoGroupPermissionAny('group.admin')
forbidden = not valid(
child_group.group_name, 'can create group validator')
if forbidden:
msg = M(self, 'permission_denied', state)
raise formencode.Invalid(
msg, value, state,
error_dict={'group_parent_id': msg})
# if we change the name or it's new group, check for existing names
# or repositories with the same name
if old_group_name != group_name_full or not edit:
# check group
gr = RepoGroup.get_by_group_name(group_name_full)
if gr:
msg = M(self, 'group_exists', state, group_name=group_name)
raise formencode.Invalid(
msg, value, state, error_dict={'group_name': msg})
# check for same repo
repo = Repository.get_by_repo_name(group_name_full)
if repo:
msg = M(self, 'repo_exists', state, group_name=group_name)
raise formencode.Invalid(
msg, value, state, error_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 ValidOldPassword(username):
class _validator(formencode.validators.FancyValidator):
messages = {
'invalid_password': _(u'Invalid old password')
}
def validate_python(self, value, state):
from rhodecode.authentication.base import authenticate, HTTP_TYPE
if not authenticate(username, value, '', HTTP_TYPE):
msg = M(self, 'invalid_password', state)
raise formencode.Invalid(
msg, value, state, error_dict={'current_password': msg}
)
return _validator
def ValidPasswordsMatch(
passwd='new_password', passwd_confirmation='password_confirmation'):
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(passwd)
if pass_val != value[passwd_confirmation]:
msg = M(self, 'password_mismatch', state)
raise formencode.Invalid(
msg, value, state,
error_dict={passwd: msg, passwd_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):
from rhodecode.authentication.base import authenticate, HTTP_TYPE
password = value['password']
username = value['username']
if not authenticate(username, password, '', HTTP_TYPE,
skip_missing=True):
user = User.get_by_username(username)
if user and not user.active:
log.warning('user %s is disabled', username)
msg = M(self, 'disabled_account', state)
raise formencode.Invalid(
msg, value, state, error_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={'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'),
# top level
'repository_exists': _(u'Repository with name %(repo)s '
u'already exists'),
'group_exists': _(u'Repository group with name "%(repo)s" '
u'already exists'),
# inside a group
'repository_in_group_exists': _(u'Repository with name %(repo)s '
u'exists in group "%(group)s"'),
'group_in_group_exists': _(
u'Repository group with name "%(repo)s" '
u'exists in group "%(group)s"'),
}
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={'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={'repo_name': msg})
if RepoGroup.get_by_group_name(repo_name_full):
msg = M(self, 'group_in_group_exists', state,
repo=repo_name, group=group_name)
raise formencode.Invalid(
msg, value, state, error_dict={'repo_name': msg})
else:
if RepoGroup.get_by_group_name(repo_name_full):
msg = M(self, 'group_exists', state, repo=repo_name)
raise formencode.Invalid(
msg, value, state, error_dict={'repo_name': msg})
if 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={'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():
class InvalidCloneUrl(Exception):
allowed_prefixes = ()
def url_handler(repo_type, url):
config = make_db_config(clear_session=False)
if repo_type == 'hg':
allowed_prefixes = ('http', 'svn+http', 'git+http')
if 'http' in url[:4]:
# initially check if it's at least the proper URL
# or does it pass basic auth
MercurialRepository.check_url(url, config)
elif 'svn+http' in url[:8]: # svn->hg import
SubversionRepository.check_url(url, config)
elif 'git+http' in url[:8]: # git->hg import
raise NotImplementedError()
else:
exc = InvalidCloneUrl('Clone from URI %s not allowed. '
'Allowed url must start with one of %s'
% (url, ','.join(allowed_prefixes)))
exc.allowed_prefixes = allowed_prefixes
raise exc
elif repo_type == 'git':
allowed_prefixes = ('http', 'svn+http', 'hg+http')
if 'http' in url[:4]:
# initially check if it's at least the proper URL
# or does it pass basic auth
GitRepository.check_url(url, config)
elif 'svn+http' in url[:8]: # svn->git import
raise NotImplementedError()
elif 'hg+http' in url[:8]: # hg->git import
raise NotImplementedError()
else:
exc = InvalidCloneUrl('Clone from URI %s not allowed. '
'Allowed url must start with one of %s'
% (url, ','.join(allowed_prefixes)))
exc.allowed_prefixes = allowed_prefixes
raise exc
class _validator(formencode.validators.FancyValidator):
messages = {
'clone_uri': _(u'invalid clone url for %(rtype)s repository'),
'invalid_clone_uri': _(
u'Invalid clone url, provide a valid clone '
u'url starting with one of %(allowed_prefixes)s')
}
def validate_python(self, value, state):
repo_type = value.get('repo_type')
url = value.get('clone_uri')
if url:
try:
url_handler(repo_type, url)
except InvalidCloneUrl as e:
log.warning(e)
msg = M(self, 'invalid_clone_uri', rtype=repo_type,
allowed_prefixes=','.join(e.allowed_prefixes))
raise formencode.Invalid(msg, value, state,
error_dict={'clone_uri': msg})
except Exception:
log.exception('Url validation failed')
msg = M(self, 'clone_uri', rtype=repo_type)
raise formencode.Invalid(msg, value, state,
error_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={'repo_type': msg}
)
return _validator
def CanWriteGroup(old_data=None):
class _validator(formencode.validators.FancyValidator):
messages = {
'permission_denied': _(
u"You do not have the permission "
u"to create repositories in this group."),
'permission_denied_root': _(
u"You do not have the permission to store repositories in "
u"the root location.")
}
def _to_python(self, value, state):
# root location
if value in [-1, "-1"]:
return None
return value
def validate_python(self, value, state):
gr = RepoGroup.get(value)
gr_name = gr.group_name if gr else None # None means ROOT location
# create repositories with write permission on group is set to true
create_on_write = HasPermissionAny(
'hg.create.write_on_repogroup.true')()
group_admin = HasRepoGroupPermissionAny('group.admin')(
gr_name, 'can write into group validator')
group_write = HasRepoGroupPermissionAny('group.write')(
gr_name, 'can write into group validator')
forbidden = not (group_admin or (group_write and create_on_write))
can_create_repos = HasPermissionAny(
'hg.admin', 'hg.create.repository')
gid = (old_data['repo_group'].get('group_id')
if (old_data and 'repo_group' in old_data) else None)
value_changed = gid != safe_int(value)
new = not old_data
# do check if we changed the value, there's a case that someone got
# revoked write permissions to a repository, he still created, we
# don't need to check permission if he didn't change the value of
# groups in form box
if value_changed or new:
# parent group need to be existing
if gr and forbidden:
msg = M(self, 'permission_denied', state)
raise formencode.Invalid(
msg, value, state, error_dict={'repo_type': msg}
)
# check if we can write to root location !
elif gr is None and not can_create_repos():
msg = M(self, 'permission_denied_root', state)
raise formencode.Invalid(
msg, value, state, error_dict={'repo_type': msg}
)
return _validator
def ValidPerms(type_='repo'):
if type_ == 'repo_group':
EMPTY_PERM = 'group.none'
elif type_ == 'repo':
EMPTY_PERM = 'repository.none'
elif type_ == 'user_group':
EMPTY_PERM = 'usergroup.none'
class _validator(formencode.validators.FancyValidator):
messages = {
'perm_new_member_name':
_(u'This username or user group name is not valid')
}
def _to_python(self, value, state):
perm_updates = OrderedSet()
perm_additions = OrderedSet()
perm_deletions = OrderedSet()
# build a list of permission to update/delete and new permission
# Read the perm_new_member/perm_del_member attributes and group
# them by they IDs
new_perms_group = defaultdict(dict)
del_perms_group = defaultdict(dict)
for k, v in value.copy().iteritems():
if k.startswith('perm_del_member'):
# delete from org storage so we don't process that later
del value[k]
# part is `id`, `type`
_type, part = k.split('perm_del_member_')
args = part.split('_')
if len(args) == 2:
_key, pos = args
del_perms_group[pos][_key] = v
if k.startswith('perm_new_member'):
# delete from org storage so we don't process that later
del value[k]
# part is `id`, `type`, `perm`
_type, part = k.split('perm_new_member_')
args = part.split('_')
if len(args) == 2:
_key, pos = args
new_perms_group[pos][_key] = v
# store the deletes
for k in sorted(del_perms_group.keys()):
perm_dict = del_perms_group[k]
del_member = perm_dict.get('id')
del_type = perm_dict.get('type')
if del_member and del_type:
perm_deletions.add((del_member, None, del_type))
# store additions in order of how they were added in web form
for k in sorted(new_perms_group.keys()):
perm_dict = new_perms_group[k]
new_member = perm_dict.get('id')
new_type = perm_dict.get('type')
new_perm = perm_dict.get('perm')
if new_member and new_perm and new_type:
perm_additions.add((new_member, new_perm, new_type))
# get updates of permissions
# (read the existing radio button states)
for k, update_value in value.iteritems():
if k.startswith('u_perm_') or k.startswith('g_perm_'):
member = k[7:]
update_type = {'u': 'user',
'g': 'users_group'}[k[0]]
if member == User.DEFAULT_USER:
if str2bool(value.get('repo_private')):
# set none for default when updating to
# private repo protects agains form manipulation
update_value = EMPTY_PERM
perm_updates.add((member, update_value, update_type))
# check the deletes
value['perm_additions'] = list(perm_additions)
value['perm_updates'] = list(perm_updates)
value['perm_deletions'] = list(perm_deletions)
# validate users they exist and they are active !
for member_id, _perm, member_type in perm_additions:
try:
if member_type == 'user':
self.user_db = User.query()\
.filter(User.active == true())\
.filter(User.user_id == member_id).one()
if member_type == 'users_group':
self.user_db = UserGroup.query()\
.filter(UserGroup.users_group_active == true())\
.filter(UserGroup.users_group_id == member_id)\
.one()
except Exception:
log.exception('Updated permission failed: org_exc:')
msg = M(self, 'perm_new_member_type', state)
raise formencode.Invalid(
msg, value, state, error_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 for users that are not admin
# can't edit certain parameters, it's extra backup if they mangle
# with forms
forbidden_params = [
'user', 'repo_type', 'repo_enable_locking',
'repo_enable_downloads', 'repo_enable_statistics'
]
for param in forbidden_params:
if param in value:
del value[param]
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={'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={'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={'email': msg}
)
return _validator
def NotReviewedRevisions(repo_id):
class _validator(formencode.validators.FancyValidator):
messages = {
'rev_already_reviewed':
_(u'Revisions %(revs)s are already part of pull request '
u'or have set status'),
}
def validate_python(self, value, state):
# check revisions if they are not reviewed, or a part of another
# pull request
statuses = ChangesetStatus.query()\
.filter(ChangesetStatus.revision.in_(value))\
.filter(ChangesetStatus.repo_id == repo_id)\
.all()
errors = []
for status in statuses:
if status.pull_request_id:
errors.append(['pull_req', status.revision[:12]])
elif status.status:
errors.append(['status', status.revision[:12]])
if errors:
revs = ','.join([x[1] for x in errors])
msg = M(self, 'rev_already_reviewed', state, revs=revs)
raise formencode.Invalid(
msg, value, state, error_dict={'revisions': revs})
return _validator
def ValidIp():
class _validator(CIDR):
messages = {
'badFormat': _(u'Please enter a valid IPv4 or IpV6 address'),
'illegalBits': _(
u'The network size (bits) must be within the range '
u'of 0-32 (not %(bits)r)'),
}
# we ovveride the default to_python() call
def to_python(self, value, state):
v = super(_validator, self).to_python(value, state)
v = v.strip()
net = ipaddress.ip_network(address=v, strict=False)
return str(net)
def validate_python(self, value, state):
try:
addr = value.strip()
# this raises an ValueError if address is not IpV4 or IpV6
ipaddress.ip_network(addr, strict=False)
except ValueError:
raise formencode.Invalid(self.message('badFormat', state),
value, state)
return _validator
def FieldKey():
class _validator(formencode.validators.FancyValidator):
messages = {
'badFormat': _(
u'Key name can only consist of letters, '
u'underscore, dash or numbers'),
}
def validate_python(self, value, state):
if not re.match('[a-zA-Z0-9_-]+$', value):
raise formencode.Invalid(self.message('badFormat', state),
value, state)
return _validator
def ValidAuthPlugins():
class _validator(formencode.validators.FancyValidator):
messages = {
'import_duplicate': _(
u'Plugins %(loaded)s and %(next_to_load)s '
u'both export the same name'),
'missing_includeme': _(
u'The plugin "%(plugin_id)s" is missing an includeme '
u'function.'),
'import_error': _(
u'Can not load plugin "%(plugin_id)s"'),
'no_plugin': _(
u'No plugin available with ID "%(plugin_id)s"'),
}
def _to_python(self, value, state):
# filter empty values
return filter(lambda s: s not in [None, ''], value)
def _validate_legacy_plugin_id(self, plugin_id, value, state):
"""
Validates that the plugin import works. It also checks that the
plugin has an includeme attribute.
"""
try:
plugin = _import_legacy_plugin(plugin_id)
except Exception as e:
log.exception(
'Exception during import of auth legacy plugin "{}"'
.format(plugin_id))
msg = M(self, 'import_error', plugin_id=plugin_id)
raise formencode.Invalid(msg, value, state)
if not hasattr(plugin, 'includeme'):
msg = M(self, 'missing_includeme', plugin_id=plugin_id)
raise formencode.Invalid(msg, value, state)
return plugin
def _validate_plugin_id(self, plugin_id, value, state):
"""
Plugins are already imported during app start up. Therefore this
validation only retrieves the plugin from the plugin registry and
if it returns something not None everything is OK.
"""
plugin = loadplugin(plugin_id)
if plugin is None:
msg = M(self, 'no_plugin', plugin_id=plugin_id)
raise formencode.Invalid(msg, value, state)
return plugin
def validate_python(self, value, state):
unique_names = {}
for plugin_id in value:
# Validate legacy or normal plugin.
if plugin_id.startswith(legacy_plugin_prefix):
plugin = self._validate_legacy_plugin_id(
plugin_id, value, state)
else:
plugin = self._validate_plugin_id(plugin_id, value, state)
# Only allow unique plugin names.
if plugin.name in unique_names:
msg = M(self, 'import_duplicate', state,
loaded=unique_names[plugin.name],
next_to_load=plugin)
raise formencode.Invalid(msg, value, state)
unique_names[plugin.name] = plugin
return _validator
def ValidPattern():
class _Validator(formencode.validators.FancyValidator):
def _to_python(self, value, state):
patterns = []
prefix = 'new_pattern'
for name, v in value.iteritems():
pattern_name = '_'.join((prefix, 'pattern'))
if name.startswith(pattern_name):
new_item_id = name[len(pattern_name)+1:]
def _field(name):
return '%s_%s_%s' % (prefix, name, new_item_id)
values = {
'issuetracker_pat': value.get(_field('pattern')),
'issuetracker_pat': value.get(_field('pattern')),
'issuetracker_url': value.get(_field('url')),
'issuetracker_pref': value.get(_field('prefix')),
'issuetracker_desc': value.get(_field('description'))
}
new_uid = md5(values['issuetracker_pat'])
has_required_fields = (
values['issuetracker_pat']
and values['issuetracker_url'])
if has_required_fields:
settings = [
('_'.join((key, new_uid)), values[key], 'unicode')
for key in values]
patterns.append(settings)
value['patterns'] = patterns
delete_patterns = value.get('uid') or []
if not isinstance(delete_patterns, (list, tuple)):
delete_patterns = [delete_patterns]
value['delete_patterns'] = delete_patterns
return value
return _Validator