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# -*- coding: utf-8 -*-
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# Copyright (C) 2014-2017 RhodeCode GmbH
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License, version 3
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# (only), as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# This program is dual-licensed. If you wish to learn more about the
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# RhodeCode Enterprise Edition, including its added features, Support services,
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# and proprietary license terms, please see https://rhodecode.com/licenses/
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"""
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JSON RPC utils
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"""
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import collections
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import logging
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from rhodecode.api.exc import JSONRPCError
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from rhodecode.lib.auth import (
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HasPermissionAnyApi, HasRepoPermissionAnyApi, HasRepoGroupPermissionAnyApi)
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from rhodecode.lib.utils import safe_unicode
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from rhodecode.lib.vcs.exceptions import RepositoryError
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from rhodecode.controllers.utils import get_commit_from_ref_name
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from rhodecode.lib.utils2 import str2bool
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log = logging.getLogger(__name__)
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class OAttr(object):
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"""
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Special Option that defines other attribute, and can default to them
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Example::
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def test(apiuser, userid=Optional(OAttr('apiuser')):
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user = Optional.extract(userid, evaluate_locals=local())
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#if we pass in userid, we get it, else it will default to apiuser
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#attribute
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"""
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def __init__(self, attr_name):
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self.attr_name = attr_name
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def __repr__(self):
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return '<OptionalAttr:%s>' % self.attr_name
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def __call__(self):
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return self
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class Optional(object):
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"""
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Defines an optional parameter::
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param = param.getval() if isinstance(param, Optional) else param
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param = param() if isinstance(param, Optional) else param
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is equivalent of::
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param = Optional.extract(param)
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"""
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def __init__(self, type_):
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self.type_ = type_
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def __repr__(self):
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return '<Optional:%s>' % self.type_.__repr__()
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def __call__(self):
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return self.getval()
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def getval(self, evaluate_locals=None):
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"""
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returns value from this Optional instance
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"""
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if isinstance(self.type_, OAttr):
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param_name = self.type_.attr_name
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if evaluate_locals:
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return evaluate_locals[param_name]
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# use params name
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return param_name
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return self.type_
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@classmethod
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def extract(cls, val, evaluate_locals=None, binary=None):
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"""
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Extracts value from Optional() instance
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:param val:
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:return: original value if it's not Optional instance else
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value of instance
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"""
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if isinstance(val, cls):
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val = val.getval(evaluate_locals)
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if binary:
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val = str2bool(val)
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return val
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def parse_args(cli_args, key_prefix=''):
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from rhodecode.lib.utils2 import (escape_split)
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kwargs = collections.defaultdict(dict)
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for el in escape_split(cli_args, ','):
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kv = escape_split(el, '=', 1)
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if len(kv) == 2:
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k, v = kv
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kwargs[key_prefix + k] = v
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return kwargs
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def get_origin(obj):
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"""
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Get origin of permission from object.
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:param obj:
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"""
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origin = 'permission'
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if getattr(obj, 'owner_row', '') and getattr(obj, 'admin_row', ''):
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# admin and owner case, maybe we should use dual string ?
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origin = 'owner'
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elif getattr(obj, 'owner_row', ''):
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origin = 'owner'
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elif getattr(obj, 'admin_row', ''):
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origin = 'super-admin'
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return origin
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def store_update(updates, attr, name):
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"""
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Stores param in updates dict if it's not instance of Optional
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allows easy updates of passed in params
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"""
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if not isinstance(attr, Optional):
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updates[name] = attr
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def has_superadmin_permission(apiuser):
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"""
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Return True if apiuser is admin or return False
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:param apiuser:
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"""
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if HasPermissionAnyApi('hg.admin')(user=apiuser):
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return True
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return False
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def validate_repo_permissions(apiuser, repoid, repo, perms):
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"""
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Raise JsonRPCError if apiuser is not authorized or return True
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:param apiuser:
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:param repoid:
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:param repo:
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:param perms:
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"""
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if not HasRepoPermissionAnyApi(*perms)(
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user=apiuser, repo_name=repo.repo_name):
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raise JSONRPCError(
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'repository `%s` does not exist' % repoid)
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return True
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def validate_repo_group_permissions(apiuser, repogroupid, repo_group, perms):
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"""
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Raise JsonRPCError if apiuser is not authorized or return True
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:param apiuser:
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:param repogroupid: just the id of repository group
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:param repo_group: instance of repo_group
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:param perms:
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"""
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if not HasRepoGroupPermissionAnyApi(*perms)(
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user=apiuser, group_name=repo_group.group_name):
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raise JSONRPCError(
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'repository group `%s` does not exist' % repogroupid)
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return True
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def validate_set_owner_permissions(apiuser, owner):
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if isinstance(owner, Optional):
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owner = get_user_or_error(apiuser.user_id)
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else:
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if has_superadmin_permission(apiuser):
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owner = get_user_or_error(owner)
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else:
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# forbid setting owner for non-admins
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raise JSONRPCError(
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'Only RhodeCode super-admin can specify `owner` param')
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return owner
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def get_user_or_error(userid):
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"""
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Get user by id or name or return JsonRPCError if not found
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:param userid:
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"""
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from rhodecode.model.user import UserModel
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user_model = UserModel()
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try:
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user = user_model.get_user(int(userid))
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except ValueError:
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user = user_model.get_by_username(userid)
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if user is None:
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raise JSONRPCError("user `%s` does not exist" % (userid,))
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return user
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def get_repo_or_error(repoid):
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"""
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Get repo by id or name or return JsonRPCError if not found
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:param repoid:
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"""
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from rhodecode.model.repo import RepoModel
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repo = RepoModel().get_repo(repoid)
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if repo is None:
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raise JSONRPCError('repository `%s` does not exist' % (repoid,))
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return repo
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def get_repo_group_or_error(repogroupid):
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"""
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Get repo group by id or name or return JsonRPCError if not found
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:param repogroupid:
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"""
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from rhodecode.model.repo_group import RepoGroupModel
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repo_group = RepoGroupModel()._get_repo_group(repogroupid)
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if repo_group is None:
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raise JSONRPCError(
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'repository group `%s` does not exist' % (repogroupid,))
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return repo_group
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def get_user_group_or_error(usergroupid):
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"""
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Get user group by id or name or return JsonRPCError if not found
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:param usergroupid:
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"""
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from rhodecode.model.user_group import UserGroupModel
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user_group = UserGroupModel().get_group(usergroupid)
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if user_group is None:
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raise JSONRPCError('user group `%s` does not exist' % (usergroupid,))
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return user_group
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def get_perm_or_error(permid, prefix=None):
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"""
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Get permission by id or name or return JsonRPCError if not found
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:param permid:
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"""
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from rhodecode.model.permission import PermissionModel
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perm = PermissionModel.cls.get_by_key(permid)
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if perm is None:
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raise JSONRPCError('permission `%s` does not exist' % (permid,))
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if prefix:
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if not perm.permission_name.startswith(prefix):
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raise JSONRPCError('permission `%s` is invalid, '
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'should start with %s' % (permid, prefix))
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return perm
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def get_gist_or_error(gistid):
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"""
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Get gist by id or gist_access_id or return JsonRPCError if not found
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:param gistid:
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"""
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from rhodecode.model.gist import GistModel
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gist = GistModel.cls.get_by_access_id(gistid)
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if gist is None:
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raise JSONRPCError('gist `%s` does not exist' % (gistid,))
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return gist
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def get_pull_request_or_error(pullrequestid):
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"""
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Get pull request by id or return JsonRPCError if not found
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:param pullrequestid:
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"""
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from rhodecode.model.pull_request import PullRequestModel
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try:
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pull_request = PullRequestModel().get(int(pullrequestid))
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except ValueError:
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raise JSONRPCError('pullrequestid must be an integer')
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if not pull_request:
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raise JSONRPCError('pull request `%s` does not exist' % (
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pullrequestid,))
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return pull_request
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def build_commit_data(commit, detail_level):
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parsed_diff = []
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if detail_level == 'extended':
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for f in commit.added:
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parsed_diff.append(_get_commit_dict(filename=f.path, op='A'))
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for f in commit.changed:
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parsed_diff.append(_get_commit_dict(filename=f.path, op='M'))
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for f in commit.removed:
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parsed_diff.append(_get_commit_dict(filename=f.path, op='D'))
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elif detail_level == 'full':
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from rhodecode.lib.diffs import DiffProcessor
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diff_processor = DiffProcessor(commit.diff())
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for dp in diff_processor.prepare():
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del dp['stats']['ops']
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_stats = dp['stats']
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parsed_diff.append(_get_commit_dict(
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filename=dp['filename'], op=dp['operation'],
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new_revision=dp['new_revision'],
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old_revision=dp['old_revision'],
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raw_diff=dp['raw_diff'], stats=_stats))
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return parsed_diff
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def get_commit_or_error(ref, repo):
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try:
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ref_type, _, ref_hash = ref.split(':')
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except ValueError:
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raise JSONRPCError(
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'Ref `{ref}` given in a wrong format. Please check the API'
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' documentation for more details'.format(ref=ref))
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try:
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# TODO: dan: refactor this to use repo.scm_instance().get_commit()
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# once get_commit supports ref_types
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return get_commit_from_ref_name(repo, ref_hash)
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except RepositoryError:
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raise JSONRPCError('Ref `{ref}` does not exist'.format(ref=ref))
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def resolve_ref_or_error(ref, repo):
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def _parse_ref(type_, name, hash_=None):
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return type_, name, hash_
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try:
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ref_type, ref_name, ref_hash = _parse_ref(*ref.split(':'))
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except TypeError:
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raise JSONRPCError(
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'Ref `{ref}` given in a wrong format. Please check the API'
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' documentation for more details'.format(ref=ref))
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try:
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ref_hash = ref_hash or _get_ref_hash(repo, ref_type, ref_name)
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except (KeyError, ValueError):
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raise JSONRPCError(
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'The specified {type} `{name}` does not exist'.format(
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type=ref_type, name=ref_name))
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return ':'.join([ref_type, ref_name, ref_hash])
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def _get_commit_dict(
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filename, op, new_revision=None, old_revision=None,
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raw_diff=None, stats=None):
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if stats is None:
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stats = {
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"added": None,
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"binary": None,
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"deleted": None
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}
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return {
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"filename": safe_unicode(filename),
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"op": op,
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# extra details
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"new_revision": new_revision,
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"old_revision": old_revision,
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"raw_diff": raw_diff,
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"stats": stats
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}
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# TODO: mikhail: Think about moving this function to some library
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def _get_ref_hash(repo, type_, name):
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vcs_repo = repo.scm_instance()
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if type_ == 'branch' and vcs_repo.alias in ('hg', 'git'):
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return vcs_repo.branches[name]
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elif type_ == 'bookmark' and vcs_repo.alias == 'hg':
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return vcs_repo.bookmarks[name]
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else:
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raise ValueError()
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