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utils.py
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# -*- coding: utf-8 -*-
# Copyright (C) 2014-2017 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/
"""
JSON RPC utils
"""
import collections
import logging
from rhodecode.api.exc import JSONRPCError
from rhodecode.lib.auth import (
HasPermissionAnyApi, HasRepoPermissionAnyApi, HasRepoGroupPermissionAnyApi)
from rhodecode.lib.utils import safe_unicode
from rhodecode.lib.vcs.exceptions import RepositoryError
from rhodecode.controllers.utils import get_commit_from_ref_name
from rhodecode.lib.utils2 import str2bool
log = logging.getLogger(__name__)
class OAttr(object):
"""
Special Option that defines other attribute, and can default to them
Example::
def test(apiuser, userid=Optional(OAttr('apiuser')):
user = Optional.extract(userid, evaluate_locals=local())
#if we pass in userid, we get it, else it will default to apiuser
#attribute
"""
def __init__(self, attr_name):
self.attr_name = attr_name
def __repr__(self):
return '<OptionalAttr:%s>' % self.attr_name
def __call__(self):
return self
class Optional(object):
"""
Defines an optional parameter::
param = param.getval() if isinstance(param, Optional) else param
param = param() if isinstance(param, Optional) else param
is equivalent of::
param = Optional.extract(param)
"""
def __init__(self, type_):
self.type_ = type_
def __repr__(self):
return '<Optional:%s>' % self.type_.__repr__()
def __call__(self):
return self.getval()
def getval(self, evaluate_locals=None):
"""
returns value from this Optional instance
"""
if isinstance(self.type_, OAttr):
param_name = self.type_.attr_name
if evaluate_locals:
return evaluate_locals[param_name]
# use params name
return param_name
return self.type_
@classmethod
def extract(cls, val, evaluate_locals=None, binary=None):
"""
Extracts value from Optional() instance
:param val:
:return: original value if it's not Optional instance else
value of instance
"""
if isinstance(val, cls):
val = val.getval(evaluate_locals)
if binary:
val = str2bool(val)
return val
def parse_args(cli_args, key_prefix=''):
from rhodecode.lib.utils2 import (escape_split)
kwargs = collections.defaultdict(dict)
for el in escape_split(cli_args, ','):
kv = escape_split(el, '=', 1)
if len(kv) == 2:
k, v = kv
kwargs[key_prefix + k] = v
return kwargs
def get_origin(obj):
"""
Get origin of permission from object.
:param obj:
"""
origin = 'permission'
if getattr(obj, 'owner_row', '') and getattr(obj, 'admin_row', ''):
# admin and owner case, maybe we should use dual string ?
origin = 'owner'
elif getattr(obj, 'owner_row', ''):
origin = 'owner'
elif getattr(obj, 'admin_row', ''):
origin = 'super-admin'
return origin
def store_update(updates, attr, name):
"""
Stores param in updates dict if it's not instance of Optional
allows easy updates of passed in params
"""
if not isinstance(attr, Optional):
updates[name] = attr
def has_superadmin_permission(apiuser):
"""
Return True if apiuser is admin or return False
:param apiuser:
"""
if HasPermissionAnyApi('hg.admin')(user=apiuser):
return True
return False
def validate_repo_permissions(apiuser, repoid, repo, perms):
"""
Raise JsonRPCError if apiuser is not authorized or return True
:param apiuser:
:param repoid:
:param repo:
:param perms:
"""
if not HasRepoPermissionAnyApi(*perms)(
user=apiuser, repo_name=repo.repo_name):
raise JSONRPCError(
'repository `%s` does not exist' % repoid)
return True
def validate_repo_group_permissions(apiuser, repogroupid, repo_group, perms):
"""
Raise JsonRPCError if apiuser is not authorized or return True
:param apiuser:
:param repogroupid: just the id of repository group
:param repo_group: instance of repo_group
:param perms:
"""
if not HasRepoGroupPermissionAnyApi(*perms)(
user=apiuser, group_name=repo_group.group_name):
raise JSONRPCError(
'repository group `%s` does not exist' % repogroupid)
return True
def validate_set_owner_permissions(apiuser, owner):
if isinstance(owner, Optional):
owner = get_user_or_error(apiuser.user_id)
else:
if has_superadmin_permission(apiuser):
owner = get_user_or_error(owner)
else:
# forbid setting owner for non-admins
raise JSONRPCError(
'Only RhodeCode super-admin can specify `owner` param')
return owner
def get_user_or_error(userid):
"""
Get user by id or name or return JsonRPCError if not found
:param userid:
"""
from rhodecode.model.user import UserModel
user_model = UserModel()
if isinstance(userid, (int, long)):
try:
user = user_model.get_user(userid)
except ValueError:
user = None
else:
user = user_model.get_by_username(userid)
if user is None:
raise JSONRPCError(
'user `%s` does not exist' % (userid,))
return user
def get_repo_or_error(repoid):
"""
Get repo by id or name or return JsonRPCError if not found
:param repoid:
"""
from rhodecode.model.repo import RepoModel
repo_model = RepoModel()
if isinstance(repoid, (int, long)):
try:
repo = repo_model.get_repo(repoid)
except ValueError:
repo = None
else:
repo = repo_model.get_by_repo_name(repoid)
if repo is None:
raise JSONRPCError(
'repository `%s` does not exist' % (repoid,))
return repo
def get_repo_group_or_error(repogroupid):
"""
Get repo group by id or name or return JsonRPCError if not found
:param repogroupid:
"""
from rhodecode.model.repo_group import RepoGroupModel
repo_group_model = RepoGroupModel()
if isinstance(repogroupid, (int, long)):
try:
repo_group = repo_group_model._get_repo_group(repogroupid)
except ValueError:
repo_group = None
else:
repo_group = repo_group_model.get_by_group_name(repogroupid)
if repo_group is None:
raise JSONRPCError(
'repository group `%s` does not exist' % (repogroupid,))
return repo_group
def get_user_group_or_error(usergroupid):
"""
Get user group by id or name or return JsonRPCError if not found
:param usergroupid:
"""
from rhodecode.model.user_group import UserGroupModel
user_group_model = UserGroupModel()
if isinstance(usergroupid, (int, long)):
try:
user_group = user_group_model.get_group(usergroupid)
except ValueError:
user_group = None
else:
user_group = user_group_model.get_by_name(usergroupid)
if user_group is None:
raise JSONRPCError(
'user group `%s` does not exist' % (usergroupid,))
return user_group
def get_perm_or_error(permid, prefix=None):
"""
Get permission by id or name or return JsonRPCError if not found
:param permid:
"""
from rhodecode.model.permission import PermissionModel
perm = PermissionModel.cls.get_by_key(permid)
if perm is None:
raise JSONRPCError('permission `%s` does not exist' % (permid,))
if prefix:
if not perm.permission_name.startswith(prefix):
raise JSONRPCError('permission `%s` is invalid, '
'should start with %s' % (permid, prefix))
return perm
def get_gist_or_error(gistid):
"""
Get gist by id or gist_access_id or return JsonRPCError if not found
:param gistid:
"""
from rhodecode.model.gist import GistModel
gist = GistModel.cls.get_by_access_id(gistid)
if gist is None:
raise JSONRPCError('gist `%s` does not exist' % (gistid,))
return gist
def get_pull_request_or_error(pullrequestid):
"""
Get pull request by id or return JsonRPCError if not found
:param pullrequestid:
"""
from rhodecode.model.pull_request import PullRequestModel
try:
pull_request = PullRequestModel().get(int(pullrequestid))
except ValueError:
raise JSONRPCError('pullrequestid must be an integer')
if not pull_request:
raise JSONRPCError('pull request `%s` does not exist' % (
pullrequestid,))
return pull_request
def build_commit_data(commit, detail_level):
parsed_diff = []
if detail_level == 'extended':
for f in commit.added:
parsed_diff.append(_get_commit_dict(filename=f.path, op='A'))
for f in commit.changed:
parsed_diff.append(_get_commit_dict(filename=f.path, op='M'))
for f in commit.removed:
parsed_diff.append(_get_commit_dict(filename=f.path, op='D'))
elif detail_level == 'full':
from rhodecode.lib.diffs import DiffProcessor
diff_processor = DiffProcessor(commit.diff())
for dp in diff_processor.prepare():
del dp['stats']['ops']
_stats = dp['stats']
parsed_diff.append(_get_commit_dict(
filename=dp['filename'], op=dp['operation'],
new_revision=dp['new_revision'],
old_revision=dp['old_revision'],
raw_diff=dp['raw_diff'], stats=_stats))
return parsed_diff
def get_commit_or_error(ref, repo):
try:
ref_type, _, ref_hash = ref.split(':')
except ValueError:
raise JSONRPCError(
'Ref `{ref}` given in a wrong format. Please check the API'
' documentation for more details'.format(ref=ref))
try:
# TODO: dan: refactor this to use repo.scm_instance().get_commit()
# once get_commit supports ref_types
return get_commit_from_ref_name(repo, ref_hash)
except RepositoryError:
raise JSONRPCError('Ref `{ref}` does not exist'.format(ref=ref))
def resolve_ref_or_error(ref, repo):
def _parse_ref(type_, name, hash_=None):
return type_, name, hash_
try:
ref_type, ref_name, ref_hash = _parse_ref(*ref.split(':'))
except TypeError:
raise JSONRPCError(
'Ref `{ref}` given in a wrong format. Please check the API'
' documentation for more details'.format(ref=ref))
try:
ref_hash = ref_hash or _get_ref_hash(repo, ref_type, ref_name)
except (KeyError, ValueError):
raise JSONRPCError(
'The specified {type} `{name}` does not exist'.format(
type=ref_type, name=ref_name))
return ':'.join([ref_type, ref_name, ref_hash])
def _get_commit_dict(
filename, op, new_revision=None, old_revision=None,
raw_diff=None, stats=None):
if stats is None:
stats = {
"added": None,
"binary": None,
"deleted": None
}
return {
"filename": safe_unicode(filename),
"op": op,
# extra details
"new_revision": new_revision,
"old_revision": old_revision,
"raw_diff": raw_diff,
"stats": stats
}
# TODO: mikhail: Think about moving this function to some library
def _get_ref_hash(repo, type_, name):
vcs_repo = repo.scm_instance()
if type_ == 'branch' and vcs_repo.alias in ('hg', 'git'):
return vcs_repo.branches[name]
elif type_ == 'bookmark' and vcs_repo.alias == 'hg':
return vcs_repo.bookmarks[name]
else:
raise ValueError()