users: added SSH key management for user admin pages

rhodecode/apps/admin/tests/test_admin_users_ssh_keys.py

@@ -0,0 +1,173 b''
+# -*- 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/
+
+import pytest
+
+from rhodecode.model.db import User, UserSshKeys
+
+from rhodecode.tests import TestController, assert_session_flash
+from rhodecode.tests.fixture import Fixture
+
+fixture = Fixture()
+
+
+def route_path(name, params=None, **kwargs):
+    import urllib
+    from rhodecode.apps._base import ADMIN_PREFIX
+
+    base_url = {
+        'edit_user_ssh_keys':
+            ADMIN_PREFIX + '/users/{user_id}/edit/ssh_keys',
+        'edit_user_ssh_keys_generate_keypair':
+            ADMIN_PREFIX + '/users/{user_id}/edit/ssh_keys/generate',
+        'edit_user_ssh_keys_add':
+            ADMIN_PREFIX + '/users/{user_id}/edit/ssh_keys/new',
+        'edit_user_ssh_keys_delete':
+            ADMIN_PREFIX + '/users/{user_id}/edit/ssh_keys/delete',
+
+    }[name].format(**kwargs)
+
+    if params:
+        base_url = '{}?{}'.format(base_url, urllib.urlencode(params))
+    return base_url
+
+
+class TestAdminUsersSshKeysView(TestController):
+    INVALID_KEY = """\
+            ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDk+77sjDzVeB6vevJsuZds1iNU5
+            LANOa5CU5G/9JYIA6RYsWWMO7mbsR82IUckdqOHmxSykfR1D1TdluyIpQLrwgH5kb
+            n8FkVI8zBMCKakxowvN67B0R7b1BT4PPzW2JlOXei/m9W12ZY484VTow6/B+kf2Q8
+            cP8tmCJmKWZma5Em7OTUhvjyQVNz3v7HfeY5Hq0Ci4ECJ59hepFDabJvtAXg9XrI6
+            jvdphZTc30I4fG8+hBHzpeFxUGvSGNtXPUbwaAY8j/oHYrTpMgkj6pUEFsiKfC5zP
+            qPFR5HyKTCHW0nFUJnZsbyFT5hMiF/hZkJc9A0ZbdSvJwCRQ/g3bmdL 
+            [e-mail]      
+        """
+    VALID_KEY = 'ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDk+77sjDzVeB6vev' \
+                   'JsuZds1iNU5LANOa5CU5G/9JYIA6RYsWWMO7mbsR82IUckdqOHmxSy' \
+                   'kfR1D1TdluyIpQLrwgH5kbn8FkVI8zBMCKakxowvN67B0R7b1BT4PP' \
+                   'zW2JlOXei/m9W12ZY484VTow6/B+kf2Q8cP8tmCJmKWZma5Em7OTUh' \
+                   'vjyQVNz3v7HfeY5Hq0Ci4ECJ59hepFDabJvtAXg9XrI6jvdphZTc30' \
+                   'I4fG8+hBHzpeFxUGvSGNtXPUbwaAY8j/oHYrTpMgkj6pUEFsiKfC5zPq' \
+                   'PFR5HyKTCHW0nFUJnZsbyFT5hMiF/hZkJc9A0ZbdSvJwCRQ/g3bmdL ' \
+                   '[e-mail]'
+
+    def test_ssh_keys_default_user(self):
+        self.log_user()
+        user = User.get_default_user()
+        self.app.get(
+            route_path('edit_user_ssh_keys', user_id=user.user_id),
+            status=302)
+
+    def test_add_ssh_key_error(self, user_util):
+        self.log_user()
+        user = user_util.create_user()
+        user_id = user.user_id
+
+        key_data = self.INVALID_KEY
+
+        desc = 'MY SSH KEY'
+        response = self.app.post(
+            route_path('edit_user_ssh_keys_add', user_id=user_id),
+            {'description': desc, 'key_data': key_data,
+             'csrf_token': self.csrf_token})
+        assert_session_flash(response, 'An error occurred during ssh '
+                                       'key saving: Unable to decode the key')
+
+    def test_ssh_key_duplicate(self, user_util):
+        self.log_user()
+        user = user_util.create_user()
+        user_id = user.user_id
+
+        key_data = self.VALID_KEY
+
+        desc = 'MY SSH KEY'
+        response = self.app.post(
+            route_path('edit_user_ssh_keys_add', user_id=user_id),
+            {'description': desc, 'key_data': key_data,
+             'csrf_token': self.csrf_token})
+        assert_session_flash(response, 'Ssh Key successfully created')
+        response.follow()  # flush session flash
+
+        # add the same key AGAIN
+        desc = 'MY SSH KEY'
+        response = self.app.post(
+            route_path('edit_user_ssh_keys_add', user_id=user_id),
+            {'description': desc, 'key_data': key_data,
+             'csrf_token': self.csrf_token})
+        assert_session_flash(response, 'An error occurred during ssh key '
+                                       'saving: Such key already exists, '
+                                       'please use a different one')
+
+    def test_add_ssh_key(self, user_util):
+        self.log_user()
+        user = user_util.create_user()
+        user_id = user.user_id
+
+        key_data = self.VALID_KEY
+
+        desc = 'MY SSH KEY'
+        response = self.app.post(
+            route_path('edit_user_ssh_keys_add', user_id=user_id),
+            {'description': desc, 'key_data': key_data,
+             'csrf_token': self.csrf_token})
+        assert_session_flash(response, 'Ssh Key successfully created')
+
+        response = response.follow()
+        response.mustcontain(desc)
+
+    def test_delete_ssh_key(self, user_util):
+        self.log_user()
+        user = user_util.create_user()
+        user_id = user.user_id
+
+        key_data = self.VALID_KEY
+
+        desc = 'MY SSH KEY'
+        response = self.app.post(
+            route_path('edit_user_ssh_keys_add', user_id=user_id),
+            {'description': desc, 'key_data': key_data,
+             'csrf_token': self.csrf_token})
+        assert_session_flash(response, 'Ssh Key successfully created')
+        response = response.follow()  # flush the Session flash
+
+        # now delete our key
+        keys = UserSshKeys.query().filter(UserSshKeys.user_id == user_id).all()
+        assert 1 == len(keys)
+
+        response = self.app.post(
+            route_path('edit_user_ssh_keys_delete', user_id=user_id),
+            {'del_ssh_key': keys[0].ssh_key_id,
+             'csrf_token': self.csrf_token})
+
+        assert_session_flash(response, 'Ssh key successfully deleted')
+        keys = UserSshKeys.query().filter(UserSshKeys.user_id == user_id).all()
+        assert 0 == len(keys)
+
+    def test_generate_keypair(self, user_util):
+        self.log_user()
+        user = user_util.create_user()
+        user_id = user.user_id
+
+        response = self.app.get(
+            route_path('edit_user_ssh_keys_generate_keypair', user_id=user_id))
+
+        response.mustcontain('Private key')
+        response.mustcontain('Public key')
+        response.mustcontain('-----BEGIN RSA PRIVATE KEY-----')

rhodecode/lib/dbmigrate/schema/db_4_9_0_0.py

@@ -0,0 +1,4172 b''
+# -*- 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/
+
+"""
+Database Models for RhodeCode Enterprise
+"""
+
+import re
+import os
+import time
+import hashlib
+import logging
+import datetime
+import warnings
+import ipaddress
+import functools
+import traceback
+import collections
+
+
+from sqlalchemy import *
+from sqlalchemy.ext.declarative import declared_attr
+from sqlalchemy.ext.hybrid import hybrid_property
+from sqlalchemy.orm import (
+    relationship, joinedload, class_mapper, validates, aliased)
+from sqlalchemy.sql.expression import true
+from sqlalchemy.sql.functions import coalesce, count  # noqa
+from beaker.cache import cache_region
+from zope.cachedescriptors.property import Lazy as LazyProperty
+
+from pyramid.threadlocal import get_current_request
+
+from rhodecode.translation import _
+from rhodecode.lib.vcs import get_vcs_instance
+from rhodecode.lib.vcs.backends.base import EmptyCommit, Reference
+from rhodecode.lib.utils2 import (
+    str2bool, safe_str, get_commit_safe, safe_unicode, md5_safe,
+    time_to_datetime, aslist, Optional, safe_int, get_clone_url, AttributeDict,
+    glob2re, StrictAttributeDict, cleaned_uri)
+from rhodecode.lib.jsonalchemy import MutationObj, MutationList, JsonType
+from rhodecode.lib.ext_json import json
+from rhodecode.lib.caching_query import FromCache
+from rhodecode.lib.encrypt import AESCipher
+
+from rhodecode.model.meta import Base, Session
+
+URL_SEP = '/'
+log = logging.getLogger(__name__)
+
+# =============================================================================
+# BASE CLASSES
+# =============================================================================
+
+# this is propagated from .ini file rhodecode.encrypted_values.secret or
+# beaker.session.secret if first is not set.
+# and initialized at environment.py
+ENCRYPTION_KEY = None
+
+# used to sort permissions by types, '#' used here is not allowed to be in
+# usernames, and it's very early in sorted string.printable table.
+PERMISSION_TYPE_SORT = {
+    'admin': '####',
+    'write': '###',
+    'read':  '##',
+    'none':  '#',
+}
+
+
+def display_sort(obj):
+    """
+    Sort function used to sort permissions in .permissions() function of
+    Repository, RepoGroup, UserGroup. Also it put the default user in front
+    of all other resources
+    """
+
+    if obj.username == User.DEFAULT_USER:
+        return '#####'
+    prefix = PERMISSION_TYPE_SORT.get(obj.permission.split('.')[-1], '')
+    return prefix + obj.username
+
+
+def _hash_key(k):
+    return md5_safe(k)
+
+
+class EncryptedTextValue(TypeDecorator):
+    """
+    Special column for encrypted long text data, use like::
+
+        value = Column("encrypted_value", EncryptedValue(), nullable=False)
+
+    This column is intelligent so if value is in unencrypted form it return
+    unencrypted form, but on save it always encrypts
+    """
+    impl = Text
+
+    def process_bind_param(self, value, dialect):
+        if not value:
+            return value
+        if value.startswith('enc$aes$') or value.startswith('enc$aes_hmac$'):
+            # protect against double encrypting if someone manually starts
+            # doing
+            raise ValueError('value needs to be in unencrypted format, ie. '
+                             'not starting with enc$aes')
+        return 'enc$aes_hmac$%s' % AESCipher(
+            ENCRYPTION_KEY, hmac=True).encrypt(value)
+
+    def process_result_value(self, value, dialect):
+        import rhodecode
+
+        if not value:
+            return value
+
+        parts = value.split('$', 3)
+        if not len(parts) == 3:
+            # probably not encrypted values
+            return value
+        else:
+            if parts[0] != 'enc':
+                # parts ok but without our header ?
+                return value
+            enc_strict_mode = str2bool(rhodecode.CONFIG.get(
+                'rhodecode.encrypted_values.strict') or True)
+            # at that stage we know it's our encryption
+            if parts[1] == 'aes':
+                decrypted_data = AESCipher(ENCRYPTION_KEY).decrypt(parts[2])
+            elif parts[1] == 'aes_hmac':
+                decrypted_data = AESCipher(
+                    ENCRYPTION_KEY, hmac=True,
+                    strict_verification=enc_strict_mode).decrypt(parts[2])
+            else:
+                raise ValueError(
+                    'Encryption type part is wrong, must be `aes` '
+                    'or `aes_hmac`, got `%s` instead' % (parts[1]))
+            return decrypted_data
+
+
+class BaseModel(object):
+    """
+    Base Model for all classes
+    """
+
+    @classmethod
+    def _get_keys(cls):
+        """return column names for this model """
+        return class_mapper(cls).c.keys()
+
+    def get_dict(self):
+        """
+        return dict with keys and values corresponding
+        to this model data """
+
+        d = {}
+        for k in self._get_keys():
+            d[k] = getattr(self, k)
+
+        # also use __json__() if present to get additional fields
+        _json_attr = getattr(self, '__json__', None)
+        if _json_attr:
+            # update with attributes from __json__
+            if callable(_json_attr):
+                _json_attr = _json_attr()
+            for k, val in _json_attr.iteritems():
+                d[k] = val
+        return d
+
+    def get_appstruct(self):
+        """return list with keys and values tuples corresponding
+        to this model data """
+
+        l = []
+        for k in self._get_keys():
+            l.append((k, getattr(self, k),))
+        return l
+
+    def populate_obj(self, populate_dict):
+        """populate model with data from given populate_dict"""
+
+        for k in self._get_keys():
+            if k in populate_dict:
+                setattr(self, k, populate_dict[k])
+
+    @classmethod
+    def query(cls):
+        return Session().query(cls)
+
+    @classmethod
+    def get(cls, id_):
+        if id_:
+            return cls.query().get(id_)
+
+    @classmethod
+    def get_or_404(cls, id_):
+        from pyramid.httpexceptions import HTTPNotFound
+
+        try:
+            id_ = int(id_)
+        except (TypeError, ValueError):
+            raise HTTPNotFound()
+
+        res = cls.query().get(id_)
+        if not res:
+            raise HTTPNotFound()
+        return res
+
+    @classmethod
+    def getAll(cls):
+        # deprecated and left for backward compatibility
+        return cls.get_all()
+
+    @classmethod
+    def get_all(cls):
+        return cls.query().all()
+
+    @classmethod
+    def delete(cls, id_):
+        obj = cls.query().get(id_)
+        Session().delete(obj)
+
+    @classmethod
+    def identity_cache(cls, session, attr_name, value):
+        exist_in_session = []
+        for (item_cls, pkey), instance in session.identity_map.items():
+            if cls == item_cls and getattr(instance, attr_name) == value:
+                exist_in_session.append(instance)
+        if exist_in_session:
+            if len(exist_in_session) == 1:
+                return exist_in_session[0]
+            log.exception(
+                'multiple objects with attr %s and '
+                'value %s found with same name: %r',
+                attr_name, value, exist_in_session)
+
+    def __repr__(self):
+        if hasattr(self, '__unicode__'):
+            # python repr needs to return str
+            try:
+                return safe_str(self.__unicode__())
+            except UnicodeDecodeError:
+                pass
+        return '<DB:%s>' % (self.__class__.__name__)
+
+
+class RhodeCodeSetting(Base, BaseModel):
+    __tablename__ = 'rhodecode_settings'
+    __table_args__ = (
+        UniqueConstraint('app_settings_name'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+
+    SETTINGS_TYPES = {
+        'str': safe_str,
+        'int': safe_int,
+        'unicode': safe_unicode,
+        'bool': str2bool,
+        'list': functools.partial(aslist, sep=',')
+    }
+    DEFAULT_UPDATE_URL = 'https://rhodecode.com/api/v1/info/versions'
+    GLOBAL_CONF_KEY = 'app_settings'
+
+    app_settings_id = Column("app_settings_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    app_settings_name = Column("app_settings_name", String(255), nullable=True, unique=None, default=None)
+    _app_settings_value = Column("app_settings_value", String(4096), nullable=True, unique=None, default=None)
+    _app_settings_type = Column("app_settings_type", String(255), nullable=True, unique=None, default=None)
+
+    def __init__(self, key='', val='', type='unicode'):
+        self.app_settings_name = key
+        self.app_settings_type = type
+        self.app_settings_value = val
+
+    @validates('_app_settings_value')
+    def validate_settings_value(self, key, val):
+        assert type(val) == unicode
+        return val
+
+    @hybrid_property
+    def app_settings_value(self):
+        v = self._app_settings_value
+        _type = self.app_settings_type
+        if _type:
+            _type = self.app_settings_type.split('.')[0]
+            # decode the encrypted value
+            if 'encrypted' in self.app_settings_type:
+                cipher = EncryptedTextValue()
+                v = safe_unicode(cipher.process_result_value(v, None))
+
+        converter = self.SETTINGS_TYPES.get(_type) or \
+            self.SETTINGS_TYPES['unicode']
+        return converter(v)
+
+    @app_settings_value.setter
+    def app_settings_value(self, val):
+        """
+        Setter that will always make sure we use unicode in app_settings_value
+
+        :param val:
+        """
+        val = safe_unicode(val)
+        # encode the encrypted value
+        if 'encrypted' in self.app_settings_type:
+            cipher = EncryptedTextValue()
+            val = safe_unicode(cipher.process_bind_param(val, None))
+        self._app_settings_value = val
+
+    @hybrid_property
+    def app_settings_type(self):
+        return self._app_settings_type
+
+    @app_settings_type.setter
+    def app_settings_type(self, val):
+        if val.split('.')[0] not in self.SETTINGS_TYPES:
+            raise Exception('type must be one of %s got %s'
+                            % (self.SETTINGS_TYPES.keys(), val))
+        self._app_settings_type = val
+
+    def __unicode__(self):
+        return u"<%s('%s:%s[%s]')>" % (
+            self.__class__.__name__,
+            self.app_settings_name, self.app_settings_value,
+            self.app_settings_type
+        )
+
+
+class RhodeCodeUi(Base, BaseModel):
+    __tablename__ = 'rhodecode_ui'
+    __table_args__ = (
+        UniqueConstraint('ui_key'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+
+    HOOK_REPO_SIZE = 'changegroup.repo_size'
+    # HG
+    HOOK_PRE_PULL = 'preoutgoing.pre_pull'
+    HOOK_PULL = 'outgoing.pull_logger'
+    HOOK_PRE_PUSH = 'prechangegroup.pre_push'
+    HOOK_PRETX_PUSH = 'pretxnchangegroup.pre_push'
+    HOOK_PUSH = 'changegroup.push_logger'
+    HOOK_PUSH_KEY = 'pushkey.key_push'
+
+    # TODO: johbo: Unify way how hooks are configured for git and hg,
+    # git part is currently hardcoded.
+
+    # SVN PATTERNS
+    SVN_BRANCH_ID = 'vcs_svn_branch'
+    SVN_TAG_ID = 'vcs_svn_tag'
+
+    ui_id = Column(
+        "ui_id", Integer(), nullable=False, unique=True, default=None,
+        primary_key=True)
+    ui_section = Column(
+        "ui_section", String(255), nullable=True, unique=None, default=None)
+    ui_key = Column(
+        "ui_key", String(255), nullable=True, unique=None, default=None)
+    ui_value = Column(
+        "ui_value", String(255), nullable=True, unique=None, default=None)
+    ui_active = Column(
+        "ui_active", Boolean(), nullable=True, unique=None, default=True)
+
+    def __repr__(self):
+        return '<%s[%s]%s=>%s]>' % (self.__class__.__name__, self.ui_section,
+                                    self.ui_key, self.ui_value)
+
+
+class RepoRhodeCodeSetting(Base, BaseModel):
+    __tablename__ = 'repo_rhodecode_settings'
+    __table_args__ = (
+        UniqueConstraint(
+            'app_settings_name', 'repository_id',
+            name='uq_repo_rhodecode_setting_name_repo_id'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+
+    repository_id = Column(
+        "repository_id", Integer(), ForeignKey('repositories.repo_id'),
+        nullable=False)
+    app_settings_id = Column(
+        "app_settings_id", Integer(), nullable=False, unique=True,
+        default=None, primary_key=True)
+    app_settings_name = Column(
+        "app_settings_name", String(255), nullable=True, unique=None,
+        default=None)
+    _app_settings_value = Column(
+        "app_settings_value", String(4096), nullable=True, unique=None,
+        default=None)
+    _app_settings_type = Column(
+        "app_settings_type", String(255), nullable=True, unique=None,
+        default=None)
+
+    repository = relationship('Repository')
+
+    def __init__(self, repository_id, key='', val='', type='unicode'):
+        self.repository_id = repository_id
+        self.app_settings_name = key
+        self.app_settings_type = type
+        self.app_settings_value = val
+
+    @validates('_app_settings_value')
+    def validate_settings_value(self, key, val):
+        assert type(val) == unicode
+        return val
+
+    @hybrid_property
+    def app_settings_value(self):
+        v = self._app_settings_value
+        type_ = self.app_settings_type
+        SETTINGS_TYPES = RhodeCodeSetting.SETTINGS_TYPES
+        converter = SETTINGS_TYPES.get(type_) or SETTINGS_TYPES['unicode']
+        return converter(v)
+
+    @app_settings_value.setter
+    def app_settings_value(self, val):
+        """
+        Setter that will always make sure we use unicode in app_settings_value
+
+        :param val:
+        """
+        self._app_settings_value = safe_unicode(val)
+
+    @hybrid_property
+    def app_settings_type(self):
+        return self._app_settings_type
+
+    @app_settings_type.setter
+    def app_settings_type(self, val):
+        SETTINGS_TYPES = RhodeCodeSetting.SETTINGS_TYPES
+        if val not in SETTINGS_TYPES:
+            raise Exception('type must be one of %s got %s'
+                            % (SETTINGS_TYPES.keys(), val))
+        self._app_settings_type = val
+
+    def __unicode__(self):
+        return u"<%s('%s:%s:%s[%s]')>" % (
+            self.__class__.__name__, self.repository.repo_name,
+            self.app_settings_name, self.app_settings_value,
+            self.app_settings_type
+        )
+
+
+class RepoRhodeCodeUi(Base, BaseModel):
+    __tablename__ = 'repo_rhodecode_ui'
+    __table_args__ = (
+        UniqueConstraint(
+            'repository_id', 'ui_section', 'ui_key',
+            name='uq_repo_rhodecode_ui_repository_id_section_key'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+
+    repository_id = Column(
+        "repository_id", Integer(), ForeignKey('repositories.repo_id'),
+        nullable=False)
+    ui_id = Column(
+        "ui_id", Integer(), nullable=False, unique=True, default=None,
+        primary_key=True)
+    ui_section = Column(
+        "ui_section", String(255), nullable=True, unique=None, default=None)
+    ui_key = Column(
+        "ui_key", String(255), nullable=True, unique=None, default=None)
+    ui_value = Column(
+        "ui_value", String(255), nullable=True, unique=None, default=None)
+    ui_active = Column(
+        "ui_active", Boolean(), nullable=True, unique=None, default=True)
+
+    repository = relationship('Repository')
+
+    def __repr__(self):
+        return '<%s[%s:%s]%s=>%s]>' % (
+            self.__class__.__name__, self.repository.repo_name,
+            self.ui_section, self.ui_key, self.ui_value)
+
+
+class User(Base, BaseModel):
+    __tablename__ = 'users'
+    __table_args__ = (
+        UniqueConstraint('username'), UniqueConstraint('email'),
+        Index('u_username_idx', 'username'),
+        Index('u_email_idx', 'email'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+    DEFAULT_USER = 'default'
+    DEFAULT_USER_EMAIL = '[e-mail]'
+    DEFAULT_GRAVATAR_URL = 'https://secure.gravatar.com/avatar/{md5email}?d=identicon&s={size}'
+
+    user_id = Column("user_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    username = Column("username", String(255), nullable=True, unique=None, default=None)
+    password = Column("password", String(255), nullable=True, unique=None, default=None)
+    active = Column("active", Boolean(), nullable=True, unique=None, default=True)
+    admin = Column("admin", Boolean(), nullable=True, unique=None, default=False)
+    name = Column("firstname", String(255), nullable=True, unique=None, default=None)
+    lastname = Column("lastname", String(255), nullable=True, unique=None, default=None)
+    _email = Column("email", String(255), nullable=True, unique=None, default=None)
+    last_login = Column("last_login", DateTime(timezone=False), nullable=True, unique=None, default=None)
+    last_activity = Column('last_activity', DateTime(timezone=False), nullable=True, unique=None, default=None)
+
+    extern_type = Column("extern_type", String(255), nullable=True, unique=None, default=None)
+    extern_name = Column("extern_name", String(255), nullable=True, unique=None, default=None)
+    _api_key = Column("api_key", String(255), nullable=True, unique=None, default=None)
+    inherit_default_permissions = Column("inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
+    created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
+    _user_data = Column("user_data", LargeBinary(), nullable=True)  # JSON data
+
+    user_log = relationship('UserLog')
+    user_perms = relationship('UserToPerm', primaryjoin="User.user_id==UserToPerm.user_id", cascade='all')
+
+    repositories = relationship('Repository')
+    repository_groups = relationship('RepoGroup')
+    user_groups = relationship('UserGroup')
+
+    user_followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_user_id==User.user_id', cascade='all')
+    followings = relationship('UserFollowing', primaryjoin='UserFollowing.user_id==User.user_id', cascade='all')
+
+    repo_to_perm = relationship('UserRepoToPerm', primaryjoin='UserRepoToPerm.user_id==User.user_id', cascade='all')
+    repo_group_to_perm = relationship('UserRepoGroupToPerm', primaryjoin='UserRepoGroupToPerm.user_id==User.user_id', cascade='all')
+    user_group_to_perm = relationship('UserUserGroupToPerm', primaryjoin='UserUserGroupToPerm.user_id==User.user_id', cascade='all')
+
+    group_member = relationship('UserGroupMember', cascade='all')
+
+    notifications = relationship('UserNotification', cascade='all')
+    # notifications assigned to this user
+    user_created_notifications = relationship('Notification', cascade='all')
+    # comments created by this user
+    user_comments = relationship('ChangesetComment', cascade='all')
+    # user profile extra info
+    user_emails = relationship('UserEmailMap', cascade='all')
+    user_ip_map = relationship('UserIpMap', cascade='all')
+    user_auth_tokens = relationship('UserApiKeys', cascade='all')
+    user_ssh_keys = relationship('UserSshKeys', cascade='all')
+
+    # gists
+    user_gists = relationship('Gist', cascade='all')
+    # user pull requests
+    user_pull_requests = relationship('PullRequest', cascade='all')
+    # external identities
+    extenal_identities = relationship(
+        'ExternalIdentity',
+        primaryjoin="User.user_id==ExternalIdentity.local_user_id",
+        cascade='all')
+
+    def __unicode__(self):
+        return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
+                                      self.user_id, self.username)
+
+    @hybrid_property
+    def email(self):
+        return self._email
+
+    @email.setter
+    def email(self, val):
+        self._email = val.lower() if val else None
+
+    @hybrid_property
+    def first_name(self):
+        from rhodecode.lib import helpers as h
+        if self.name:
+            return h.escape(self.name)
+        return self.name
+
+    @hybrid_property
+    def last_name(self):
+        from rhodecode.lib import helpers as h
+        if self.lastname:
+            return h.escape(self.lastname)
+        return self.lastname
+
+    @hybrid_property
+    def api_key(self):
+        """
+        Fetch if exist an auth-token with role ALL connected to this user
+        """
+        user_auth_token = UserApiKeys.query()\
+            .filter(UserApiKeys.user_id == self.user_id)\
+            .filter(or_(UserApiKeys.expires == -1,
+                            UserApiKeys.expires >= time.time()))\
+            .filter(UserApiKeys.role == UserApiKeys.ROLE_ALL).first()
+        if user_auth_token:
+            user_auth_token = user_auth_token.api_key
+
+        return user_auth_token
+
+    @api_key.setter
+    def api_key(self, val):
+        # don't allow to set API key this is deprecated for now
+        self._api_key = None
+
+    @property
+    def reviewer_pull_requests(self):
+        return PullRequestReviewers.query() \
+            .options(joinedload(PullRequestReviewers.pull_request)) \
+            .filter(PullRequestReviewers.user_id == self.user_id) \
+            .all()
+
+    @property
+    def firstname(self):
+        # alias for future
+        return self.name
+
+    @property
+    def emails(self):
+        other = UserEmailMap.query()\
+            .filter(UserEmailMap.user == self) \
+            .order_by(UserEmailMap.email_id.asc()) \
+            .all()
+        return [self.email] + [x.email for x in other]
+
+    @property
+    def auth_tokens(self):
+        auth_tokens = self.get_auth_tokens()
+        return [x.api_key for x in auth_tokens]
+
+    def get_auth_tokens(self):
+        return UserApiKeys.query()\
+            .filter(UserApiKeys.user == self)\
+            .order_by(UserApiKeys.user_api_key_id.asc())\
+            .all()
+
+    @property
+    def feed_token(self):
+        return self.get_feed_token()
+
+    def get_feed_token(self):
+        feed_tokens = UserApiKeys.query()\
+            .filter(UserApiKeys.user == self)\
+            .filter(UserApiKeys.role == UserApiKeys.ROLE_FEED)\
+            .all()
+        if feed_tokens:
+            return feed_tokens[0].api_key
+        return 'NO_FEED_TOKEN_AVAILABLE'
+
+    @classmethod
+    def extra_valid_auth_tokens(cls, user, role=None):
+        tokens = UserApiKeys.query().filter(UserApiKeys.user == user)\
+                .filter(or_(UserApiKeys.expires == -1,
+                            UserApiKeys.expires >= time.time()))
+        if role:
+            tokens = tokens.filter(or_(UserApiKeys.role == role,
+                                       UserApiKeys.role == UserApiKeys.ROLE_ALL))
+        return tokens.all()
+
+    def authenticate_by_token(self, auth_token, roles=None, scope_repo_id=None):
+        from rhodecode.lib import auth
+
+        log.debug('Trying to authenticate user: %s via auth-token, '
+                  'and roles: %s', self, roles)
+
+        if not auth_token:
+            return False
+
+        crypto_backend = auth.crypto_backend()
+
+        roles = (roles or []) + [UserApiKeys.ROLE_ALL]
+        tokens_q = UserApiKeys.query()\
+            .filter(UserApiKeys.user_id == self.user_id)\
+            .filter(or_(UserApiKeys.expires == -1,
+                        UserApiKeys.expires >= time.time()))
+
+        tokens_q = tokens_q.filter(UserApiKeys.role.in_(roles))
+
+        plain_tokens = []
+        hash_tokens = []
+
+        for token in tokens_q.all():
+            # verify scope first
+            if token.repo_id:
+                # token has a scope, we need to verify it
+                if scope_repo_id != token.repo_id:
+                    log.debug(
+                        'Scope mismatch: token has a set repo scope: %s, '
+                        'and calling scope is:%s, skipping further checks',
+                         token.repo, scope_repo_id)
+                    # token has a scope, and it doesn't match, skip token
+                    continue
+
+            if token.api_key.startswith(crypto_backend.ENC_PREF):
+                hash_tokens.append(token.api_key)
+            else:
+                plain_tokens.append(token.api_key)
+
+        is_plain_match = auth_token in plain_tokens
+        if is_plain_match:
+            return True
+
+        for hashed in hash_tokens:
+            # TODO(marcink): this is expensive to calculate, but most secure
+            match = crypto_backend.hash_check(auth_token, hashed)
+            if match:
+                return True
+
+        return False
+
+    @property
+    def ip_addresses(self):
+        ret = UserIpMap.query().filter(UserIpMap.user == self).all()
+        return [x.ip_addr for x in ret]
+
+    @property
+    def username_and_name(self):
+        return '%s (%s %s)' % (self.username, self.first_name, self.last_name)
+
+    @property
+    def username_or_name_or_email(self):
+        full_name = self.full_name if self.full_name is not ' ' else None
+        return self.username or full_name or self.email
+
+    @property
+    def full_name(self):
+        return '%s %s' % (self.first_name, self.last_name)
+
+    @property
+    def full_name_or_username(self):
+        return ('%s %s' % (self.first_name, self.last_name)
+                if (self.first_name and self.last_name) else self.username)
+
+    @property
+    def full_contact(self):
+        return '%s %s <%s>' % (self.first_name, self.last_name, self.email)
+
+    @property
+    def short_contact(self):
+        return '%s %s' % (self.first_name, self.last_name)
+
+    @property
+    def is_admin(self):
+        return self.admin
+
+    @property
+    def AuthUser(self):
+        """
+        Returns instance of AuthUser for this user
+        """
+        from rhodecode.lib.auth import AuthUser
+        return AuthUser(user_id=self.user_id, username=self.username)
+
+    @hybrid_property
+    def user_data(self):
+        if not self._user_data:
+            return {}
+
+        try:
+            return json.loads(self._user_data)
+        except TypeError:
+            return {}
+
+    @user_data.setter
+    def user_data(self, val):
+        if not isinstance(val, dict):
+            raise Exception('user_data must be dict, got %s' % type(val))
+        try:
+            self._user_data = json.dumps(val)
+        except Exception:
+            log.error(traceback.format_exc())
+
+    @classmethod
+    def get_by_username(cls, username, case_insensitive=False,
+                        cache=False, identity_cache=False):
+        session = Session()
+
+        if case_insensitive:
+            q = cls.query().filter(
+                func.lower(cls.username) == func.lower(username))
+        else:
+            q = cls.query().filter(cls.username == username)
+
+        if cache:
+            if identity_cache:
+                val = cls.identity_cache(session, 'username', username)
+                if val:
+                    return val
+            else:
+                cache_key = "get_user_by_name_%s" % _hash_key(username)
+                q = q.options(
+                    FromCache("sql_cache_short", cache_key))
+
+        return q.scalar()
+
+    @classmethod
+    def get_by_auth_token(cls, auth_token, cache=False):
+        q = UserApiKeys.query()\
+            .filter(UserApiKeys.api_key == auth_token)\
+            .filter(or_(UserApiKeys.expires == -1,
+                        UserApiKeys.expires >= time.time()))
+        if cache:
+            q = q.options(
+                FromCache("sql_cache_short", "get_auth_token_%s" % auth_token))
+
+        match = q.first()
+        if match:
+            return match.user
+
+    @classmethod
+    def get_by_email(cls, email, case_insensitive=False, cache=False):
+
+        if case_insensitive:
+            q = cls.query().filter(func.lower(cls.email) == func.lower(email))
+
+        else:
+            q = cls.query().filter(cls.email == email)
+
+        email_key = _hash_key(email)
+        if cache:
+            q = q.options(
+                FromCache("sql_cache_short", "get_email_key_%s" % email_key))
+
+        ret = q.scalar()
+        if ret is None:
+            q = UserEmailMap.query()
+            # try fetching in alternate email map
+            if case_insensitive:
+                q = q.filter(func.lower(UserEmailMap.email) == func.lower(email))
+            else:
+                q = q.filter(UserEmailMap.email == email)
+            q = q.options(joinedload(UserEmailMap.user))
+            if cache:
+                q = q.options(
+                    FromCache("sql_cache_short", "get_email_map_key_%s" % email_key))
+            ret = getattr(q.scalar(), 'user', None)
+
+        return ret
+
+    @classmethod
+    def get_from_cs_author(cls, author):
+        """
+        Tries to get User objects out of commit author string
+
+        :param author:
+        """
+        from rhodecode.lib.helpers import email, author_name
+        # Valid email in the attribute passed, see if they're in the system
+        _email = email(author)
+        if _email:
+            user = cls.get_by_email(_email, case_insensitive=True)
+            if user:
+                return user
+        # Maybe we can match by username?
+        _author = author_name(author)
+        user = cls.get_by_username(_author, case_insensitive=True)
+        if user:
+            return user
+
+    def update_userdata(self, **kwargs):
+        usr = self
+        old = usr.user_data
+        old.update(**kwargs)
+        usr.user_data = old
+        Session().add(usr)
+        log.debug('updated userdata with ', kwargs)
+
+    def update_lastlogin(self):
+        """Update user lastlogin"""
+        self.last_login = datetime.datetime.now()
+        Session().add(self)
+        log.debug('updated user %s lastlogin', self.username)
+
+    def update_lastactivity(self):
+        """Update user lastactivity"""
+        self.last_activity = datetime.datetime.now()
+        Session().add(self)
+        log.debug('updated user %s lastactivity', self.username)
+
+    def update_password(self, new_password):
+        from rhodecode.lib.auth import get_crypt_password
+
+        self.password = get_crypt_password(new_password)
+        Session().add(self)
+
+    @classmethod
+    def get_first_super_admin(cls):
+        user = User.query().filter(User.admin == true()).first()
+        if user is None:
+            raise Exception('FATAL: Missing administrative account!')
+        return user
+
+    @classmethod
+    def get_all_super_admins(cls):
+        """
+        Returns all admin accounts sorted by username
+        """
+        return User.query().filter(User.admin == true())\
+            .order_by(User.username.asc()).all()
+
+    @classmethod
+    def get_default_user(cls, cache=False, refresh=False):
+        user = User.get_by_username(User.DEFAULT_USER, cache=cache)
+        if user is None:
+            raise Exception('FATAL: Missing default account!')
+        if refresh:
+            # The default user might be based on outdated state which
+            # has been loaded from the cache.
+            # A call to refresh() ensures that the
+            # latest state from the database is used.
+            Session().refresh(user)
+        return user
+
+    def _get_default_perms(self, user, suffix=''):
+        from rhodecode.model.permission import PermissionModel
+        return PermissionModel().get_default_perms(user.user_perms, suffix)
+
+    def get_default_perms(self, suffix=''):
+        return self._get_default_perms(self, suffix)
+
+    def get_api_data(self, include_secrets=False, details='full'):
+        """
+        Common function for generating user related data for API
+
+        :param include_secrets: By default secrets in the API data will be replaced
+           by a placeholder value to prevent exposing this data by accident. In case
+           this data shall be exposed, set this flag to ``True``.
+
+        :param details: details can be 'basic|full' basic gives only a subset of
+           the available user information that includes user_id, name and emails.
+        """
+        user = self
+        user_data = self.user_data
+        data = {
+            'user_id': user.user_id,
+            'username': user.username,
+            'firstname': user.name,
+            'lastname': user.lastname,
+            'email': user.email,
+            'emails': user.emails,
+        }
+        if details == 'basic':
+            return data
+
+        auth_token_length = 40
+        auth_token_replacement = '*' * auth_token_length
+
+        extras = {
+            'auth_tokens': [auth_token_replacement],
+            'active': user.active,
+            'admin': user.admin,
+            'extern_type': user.extern_type,
+            'extern_name': user.extern_name,
+            'last_login': user.last_login,
+            'last_activity': user.last_activity,
+            'ip_addresses': user.ip_addresses,
+            'language': user_data.get('language')
+        }
+        data.update(extras)
+
+        if include_secrets:
+            data['auth_tokens'] = user.auth_tokens
+        return data
+
+    def __json__(self):
+        data = {
+            'full_name': self.full_name,
+            'full_name_or_username': self.full_name_or_username,
+            'short_contact': self.short_contact,
+            'full_contact': self.full_contact,
+        }
+        data.update(self.get_api_data())
+        return data
+
+
+class UserApiKeys(Base, BaseModel):
+    __tablename__ = 'user_api_keys'
+    __table_args__ = (
+        Index('uak_api_key_idx', 'api_key', unique=True),
+        Index('uak_api_key_expires_idx', 'api_key', 'expires'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+    __mapper_args__ = {}
+
+    # ApiKey role
+    ROLE_ALL = 'token_role_all'
+    ROLE_HTTP = 'token_role_http'
+    ROLE_VCS = 'token_role_vcs'
+    ROLE_API = 'token_role_api'
+    ROLE_FEED = 'token_role_feed'
+    ROLE_PASSWORD_RESET = 'token_password_reset'
+
+    ROLES = [ROLE_ALL, ROLE_HTTP, ROLE_VCS, ROLE_API, ROLE_FEED]
+
+    user_api_key_id = Column("user_api_key_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
+    api_key = Column("api_key", String(255), nullable=False, unique=True)
+    description = Column('description', UnicodeText().with_variant(UnicodeText(1024), 'mysql'))
+    expires = Column('expires', Float(53), nullable=False)
+    role = Column('role', String(255), nullable=True)
+    created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
+
+    # scope columns
+    repo_id = Column(
+        'repo_id', Integer(), ForeignKey('repositories.repo_id'),
+        nullable=True, unique=None, default=None)
+    repo = relationship('Repository', lazy='joined')
+
+    repo_group_id = Column(
+        'repo_group_id', Integer(), ForeignKey('groups.group_id'),
+        nullable=True, unique=None, default=None)
+    repo_group = relationship('RepoGroup', lazy='joined')
+
+    user = relationship('User', lazy='joined')
+
+    def __unicode__(self):
+        return u"<%s('%s')>" % (self.__class__.__name__, self.role)
+
+    def __json__(self):
+        data = {
+            'auth_token': self.api_key,
+            'role': self.role,
+            'scope': self.scope_humanized,
+            'expired': self.expired
+        }
+        return data
+
+    def get_api_data(self, include_secrets=False):
+        data = self.__json__()
+        if include_secrets:
+            return data
+        else:
+            data['auth_token'] = self.token_obfuscated
+            return data
+
+    @hybrid_property
+    def description_safe(self):
+        from rhodecode.lib import helpers as h
+        return h.escape(self.description)
+
+    @property
+    def expired(self):
+        if self.expires == -1:
+            return False
+        return time.time() > self.expires
+
+    @classmethod
+    def _get_role_name(cls, role):
+        return {
+            cls.ROLE_ALL: _('all'),
+            cls.ROLE_HTTP: _('http/web interface'),
+            cls.ROLE_VCS: _('vcs (git/hg/svn protocol)'),
+            cls.ROLE_API: _('api calls'),
+            cls.ROLE_FEED: _('feed access'),
+        }.get(role, role)
+
+    @property
+    def role_humanized(self):
+        return self._get_role_name(self.role)
+
+    def _get_scope(self):
+        if self.repo:
+            return repr(self.repo)
+        if self.repo_group:
+            return repr(self.repo_group) + ' (recursive)'
+        return 'global'
+
+    @property
+    def scope_humanized(self):
+        return self._get_scope()
+
+    @property
+    def token_obfuscated(self):
+        if self.api_key:
+            return self.api_key[:4] + "****"
+
+
+class UserEmailMap(Base, BaseModel):
+    __tablename__ = 'user_email_map'
+    __table_args__ = (
+        Index('uem_email_idx', 'email'),
+        UniqueConstraint('email'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+    __mapper_args__ = {}
+
+    email_id = Column("email_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
+    _email = Column("email", String(255), nullable=True, unique=False, default=None)
+    user = relationship('User', lazy='joined')
+
+    @validates('_email')
+    def validate_email(self, key, email):
+        # check if this email is not main one
+        main_email = Session().query(User).filter(User.email == email).scalar()
+        if main_email is not None:
+            raise AttributeError('email %s is present is user table' % email)
+        return email
+
+    @hybrid_property
+    def email(self):
+        return self._email
+
+    @email.setter
+    def email(self, val):
+        self._email = val.lower() if val else None
+
+
+class UserIpMap(Base, BaseModel):
+    __tablename__ = 'user_ip_map'
+    __table_args__ = (
+        UniqueConstraint('user_id', 'ip_addr'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+    __mapper_args__ = {}
+
+    ip_id = Column("ip_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
+    ip_addr = Column("ip_addr", String(255), nullable=True, unique=False, default=None)
+    active = Column("active", Boolean(), nullable=True, unique=None, default=True)
+    description = Column("description", String(10000), nullable=True, unique=None, default=None)
+    user = relationship('User', lazy='joined')
+
+    @hybrid_property
+    def description_safe(self):
+        from rhodecode.lib import helpers as h
+        return h.escape(self.description)
+
+    @classmethod
+    def _get_ip_range(cls, ip_addr):
+        net = ipaddress.ip_network(safe_unicode(ip_addr), strict=False)
+        return [str(net.network_address), str(net.broadcast_address)]
+
+    def __json__(self):
+        return {
+          'ip_addr': self.ip_addr,
+          'ip_range': self._get_ip_range(self.ip_addr),
+        }
+
+    def __unicode__(self):
+        return u"<%s('user_id:%s=>%s')>" % (self.__class__.__name__,
+                                            self.user_id, self.ip_addr)
+
+
+class UserSshKeys(Base, BaseModel):
+    __tablename__ = 'user_ssh_keys'
+    __table_args__ = (
+        Index('usk_ssh_key_fingerprint_idx', 'ssh_key_fingerprint'),
+        UniqueConstraint('ssh_key_fingerprint'),
+
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+    __mapper_args__ = {}
+
+    ssh_key_id = Column('ssh_key_id', Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    ssh_key_data = Column('ssh_key_data', String(10240), nullable=False, unique=None, default=None)
+    ssh_key_fingerprint = Column('ssh_key_fingerprint', String(1024), nullable=False, unique=None, default=None)
+
+    description = Column('description', UnicodeText().with_variant(UnicodeText(1024), 'mysql'))
+
+    created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
+    accessed_on = Column('accessed_on', DateTime(timezone=False), nullable=True, default=None)
+    user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
+
+    user = relationship('User', lazy='joined')
+
+    def __json__(self):
+        data = {
+            'ssh_fingerprint': self.ssh_key_fingerprint,
+            'description': self.description,
+            'created_on': self.created_on
+        }
+        return data
+
+    def get_api_data(self):
+        data = self.__json__()
+        return data
+
+
+class UserLog(Base, BaseModel):
+    __tablename__ = 'user_logs'
+    __table_args__ = (
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
+    )
+    VERSION_1 = 'v1'
+    VERSION_2 = 'v2'
+    VERSIONS = [VERSION_1, VERSION_2]
+
+    user_log_id = Column("user_log_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
+    username = Column("username", String(255), nullable=True, unique=None, default=None)
+    repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True)
+    repository_name = Column("repository_name", String(255), nullable=True, unique=None, default=None)
+    user_ip = Column("user_ip", String(255), nullable=True, unique=None, default=None)
+    action = Column("action", Text().with_variant(Text(1200000), 'mysql'), nullable=True, unique=None, default=None)
+    action_date = Column("action_date", DateTime(timezone=False), nullable=True, unique=None, default=None)
+
+    version = Column("version", String(255), nullable=True, default=VERSION_1)
+    user_data = Column('user_data_json', MutationObj.as_mutable(JsonType(dialect_map=dict(mysql=UnicodeText(16384)))))
+    action_data = Column('action_data_json', MutationObj.as_mutable(JsonType(dialect_map=dict(mysql=UnicodeText(16384)))))
+
+    def __unicode__(self):
+        return u"<%s('id:%s:%s')>" % (
+            self.__class__.__name__, self.repository_name, self.action)
+
+    def __json__(self):
+        return {
+            'user_id': self.user_id,
+            'username': self.username,
+            'repository_id': self.repository_id,
+            'repository_name': self.repository_name,
+            'user_ip': self.user_ip,
+            'action_date': self.action_date,
+            'action': self.action,
+        }
+
+    @property
+    def action_as_day(self):
+        return datetime.date(*self.action_date.timetuple()[:3])
+
+    user = relationship('User')
+    repository = relationship('Repository', cascade='')
+
+
+class UserGroup(Base, BaseModel):
+    __tablename__ = 'users_groups'
+    __table_args__ = (
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
+    )
+
+    users_group_id = Column("users_group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    users_group_name = Column("users_group_name", String(255), nullable=False, unique=True, default=None)
+    user_group_description = Column("user_group_description", String(10000), nullable=True, unique=None, default=None)
+    users_group_active = Column("users_group_active", Boolean(), nullable=True, unique=None, default=None)
+    inherit_default_permissions = Column("users_group_inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
+    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
+    created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
+    _group_data = Column("group_data", LargeBinary(), nullable=True)  # JSON data
+
+    members = relationship('UserGroupMember', cascade="all, delete, delete-orphan", lazy="joined")
+    users_group_to_perm = relationship('UserGroupToPerm', cascade='all')
+    users_group_repo_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
+    users_group_repo_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
+    user_user_group_to_perm = relationship('UserUserGroupToPerm', cascade='all')
+    user_group_user_group_to_perm = relationship('UserGroupUserGroupToPerm ', primaryjoin="UserGroupUserGroupToPerm.target_user_group_id==UserGroup.users_group_id", cascade='all')
+
+    user = relationship('User', primaryjoin="User.user_id==UserGroup.user_id")
+
+    @classmethod
+    def _load_group_data(cls, column):
+        if not column:
+            return {}
+
+        try:
+            return json.loads(column) or {}
+        except TypeError:
+            return {}
+
+    @hybrid_property
+    def description_safe(self):
+        from rhodecode.lib import helpers as h
+        return h.escape(self.description)
+
+    @hybrid_property
+    def group_data(self):
+        return self._load_group_data(self._group_data)
+
+    @group_data.expression
+    def group_data(self, **kwargs):
+        return self._group_data
+
+    @group_data.setter
+    def group_data(self, val):
+        try:
+            self._group_data = json.dumps(val)
+        except Exception:
+            log.error(traceback.format_exc())
+
+    def __unicode__(self):
+        return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
+                                      self.users_group_id,
+                                      self.users_group_name)
+
+    @classmethod
+    def get_by_group_name(cls, group_name, cache=False,
+                          case_insensitive=False):
+        if case_insensitive:
+            q = cls.query().filter(func.lower(cls.users_group_name) ==
+                                   func.lower(group_name))
+
+        else:
+            q = cls.query().filter(cls.users_group_name == group_name)
+        if cache:
+            q = q.options(
+                FromCache("sql_cache_short", "get_group_%s" % _hash_key(group_name)))
+        return q.scalar()
+
+    @classmethod
+    def get(cls, user_group_id, cache=False):
+        user_group = cls.query()
+        if cache:
+            user_group = user_group.options(
+                FromCache("sql_cache_short", "get_users_group_%s" % user_group_id))
+        return user_group.get(user_group_id)
+
+    def permissions(self, with_admins=True, with_owner=True):
+        q = UserUserGroupToPerm.query().filter(UserUserGroupToPerm.user_group == self)
+        q = q.options(joinedload(UserUserGroupToPerm.user_group),
+                      joinedload(UserUserGroupToPerm.user),
+                      joinedload(UserUserGroupToPerm.permission),)
+
+        # get owners and admins and permissions. We do a trick of re-writing
+        # objects from sqlalchemy to named-tuples due to sqlalchemy session
+        # has a global reference and changing one object propagates to all
+        # others. This means if admin is also an owner admin_row that change
+        # would propagate to both objects
+        perm_rows = []
+        for _usr in q.all():
+            usr = AttributeDict(_usr.user.get_dict())
+            usr.permission = _usr.permission.permission_name
+            perm_rows.append(usr)
+
+        # filter the perm rows by 'default' first and then sort them by
+        # admin,write,read,none permissions sorted again alphabetically in
+        # each group
+        perm_rows = sorted(perm_rows, key=display_sort)
+
+        _admin_perm = 'usergroup.admin'
+        owner_row = []
+        if with_owner:
+            usr = AttributeDict(self.user.get_dict())
+            usr.owner_row = True
+            usr.permission = _admin_perm
+            owner_row.append(usr)
+
+        super_admin_rows = []
+        if with_admins:
+            for usr in User.get_all_super_admins():
+                # if this admin is also owner, don't double the record
+                if usr.user_id == owner_row[0].user_id:
+                    owner_row[0].admin_row = True
+                else:
+                    usr = AttributeDict(usr.get_dict())
+                    usr.admin_row = True
+                    usr.permission = _admin_perm
+                    super_admin_rows.append(usr)
+
+        return super_admin_rows + owner_row + perm_rows
+
+    def permission_user_groups(self):
+        q = UserGroupUserGroupToPerm.query().filter(UserGroupUserGroupToPerm.target_user_group == self)
+        q = q.options(joinedload(UserGroupUserGroupToPerm.user_group),
+                      joinedload(UserGroupUserGroupToPerm.target_user_group),
+                      joinedload(UserGroupUserGroupToPerm.permission),)
+
+        perm_rows = []
+        for _user_group in q.all():
+            usr = AttributeDict(_user_group.user_group.get_dict())
+            usr.permission = _user_group.permission.permission_name
+            perm_rows.append(usr)
+
+        return perm_rows
+
+    def _get_default_perms(self, user_group, suffix=''):
+        from rhodecode.model.permission import PermissionModel
+        return PermissionModel().get_default_perms(user_group.users_group_to_perm, suffix)
+
+    def get_default_perms(self, suffix=''):
+        return self._get_default_perms(self, suffix)
+
+    def get_api_data(self, with_group_members=True, include_secrets=False):
+        """
+        :param include_secrets: See :meth:`User.get_api_data`, this parameter is
+           basically forwarded.
+
+        """
+        user_group = self
+        data = {
+            'users_group_id': user_group.users_group_id,
+            'group_name': user_group.users_group_name,
+            'group_description': user_group.user_group_description,
+            'active': user_group.users_group_active,
+            'owner': user_group.user.username,
+            'owner_email': user_group.user.email,
+        }
+
+        if with_group_members:
+            users = []
+            for user in user_group.members:
+                user = user.user
+                users.append(user.get_api_data(include_secrets=include_secrets))
+            data['users'] = users
+
+        return data
+
+
+class UserGroupMember(Base, BaseModel):
+    __tablename__ = 'users_groups_members'
+    __table_args__ = (
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
+    )
+
+    users_group_member_id = Column("users_group_member_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
+    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
+
+    user = relationship('User', lazy='joined')
+    users_group = relationship('UserGroup')
+
+    def __init__(self, gr_id='', u_id=''):
+        self.users_group_id = gr_id
+        self.user_id = u_id
+
+
+class RepositoryField(Base, BaseModel):
+    __tablename__ = 'repositories_fields'
+    __table_args__ = (
+        UniqueConstraint('repository_id', 'field_key'),  # no-multi field
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
+    )
+    PREFIX = 'ex_'  # prefix used in form to not conflict with already existing fields
+
+    repo_field_id = Column("repo_field_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
+    field_key = Column("field_key", String(250))
+    field_label = Column("field_label", String(1024), nullable=False)
+    field_value = Column("field_value", String(10000), nullable=False)
+    field_desc = Column("field_desc", String(1024), nullable=False)
+    field_type = Column("field_type", String(255), nullable=False, unique=None)
+    created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
+
+    repository = relationship('Repository')
+
+    @property
+    def field_key_prefixed(self):
+        return 'ex_%s' % self.field_key
+
+    @classmethod
+    def un_prefix_key(cls, key):
+        if key.startswith(cls.PREFIX):
+            return key[len(cls.PREFIX):]
+        return key
+
+    @classmethod
+    def get_by_key_name(cls, key, repo):
+        row = cls.query()\
+                .filter(cls.repository == repo)\
+                .filter(cls.field_key == key).scalar()
+        return row
+
+
+class Repository(Base, BaseModel):
+    __tablename__ = 'repositories'
+    __table_args__ = (
+        Index('r_repo_name_idx', 'repo_name', mysql_length=255),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
+    )
+    DEFAULT_CLONE_URI = '{scheme}://{user}@{netloc}/{repo}'
+    DEFAULT_CLONE_URI_ID = '{scheme}://{user}@{netloc}/_{repoid}'
+
+    STATE_CREATED = 'repo_state_created'
+    STATE_PENDING = 'repo_state_pending'
+    STATE_ERROR = 'repo_state_error'
+
+    LOCK_AUTOMATIC = 'lock_auto'
+    LOCK_API = 'lock_api'
+    LOCK_WEB = 'lock_web'
+    LOCK_PULL = 'lock_pull'
+
+    NAME_SEP = URL_SEP
+
+    repo_id = Column(
+        "repo_id", Integer(), nullable=False, unique=True, default=None,
+        primary_key=True)
+    _repo_name = Column(
+        "repo_name", Text(), nullable=False, default=None)
+    _repo_name_hash = Column(
+        "repo_name_hash", String(255), nullable=False, unique=True)
+    repo_state = Column("repo_state", String(255), nullable=True)
+
+    clone_uri = Column(
+        "clone_uri", EncryptedTextValue(), nullable=True, unique=False,
+        default=None)
+    repo_type = Column(
+        "repo_type", String(255), nullable=False, unique=False, default=None)
+    user_id = Column(
+        "user_id", Integer(), ForeignKey('users.user_id'), nullable=False,
+        unique=False, default=None)
+    private = Column(
+        "private", Boolean(), nullable=True, unique=None, default=None)
+    enable_statistics = Column(
+        "statistics", Boolean(), nullable=True, unique=None, default=True)
+    enable_downloads = Column(
+        "downloads", Boolean(), nullable=True, unique=None, default=True)
+    description = Column(
+        "description", String(10000), nullable=True, unique=None, default=None)
+    created_on = Column(
+        'created_on', DateTime(timezone=False), nullable=True, unique=None,
+        default=datetime.datetime.now)
+    updated_on = Column(
+        'updated_on', DateTime(timezone=False), nullable=True, unique=None,
+        default=datetime.datetime.now)
+    _landing_revision = Column(
+        "landing_revision", String(255), nullable=False, unique=False,
+        default=None)
+    enable_locking = Column(
+        "enable_locking", Boolean(), nullable=False, unique=None,
+        default=False)
+    _locked = Column(
+        "locked", String(255), nullable=True, unique=False, default=None)
+    _changeset_cache = Column(
+        "changeset_cache", LargeBinary(), nullable=True)  # JSON data
+
+    fork_id = Column(
+        "fork_id", Integer(), ForeignKey('repositories.repo_id'),
+        nullable=True, unique=False, default=None)
+    group_id = Column(
+        "group_id", Integer(), ForeignKey('groups.group_id'), nullable=True,
+        unique=False, default=None)
+
+    user = relationship('User', lazy='joined')
+    fork = relationship('Repository', remote_side=repo_id, lazy='joined')
+    group = relationship('RepoGroup', lazy='joined')
+    repo_to_perm = relationship(
+        'UserRepoToPerm', cascade='all',
+        order_by='UserRepoToPerm.repo_to_perm_id')
+    users_group_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
+    stats = relationship('Statistics', cascade='all', uselist=False)
+
+    followers = relationship(
+        'UserFollowing',
+        primaryjoin='UserFollowing.follows_repo_id==Repository.repo_id',
+        cascade='all')
+    extra_fields = relationship(
+        'RepositoryField', cascade="all, delete, delete-orphan")
+    logs = relationship('UserLog')
+    comments = relationship(
+        'ChangesetComment', cascade="all, delete, delete-orphan")
+    pull_requests_source = relationship(
+        'PullRequest',
+        primaryjoin='PullRequest.source_repo_id==Repository.repo_id',
+        cascade="all, delete, delete-orphan")
+    pull_requests_target = relationship(
+        'PullRequest',
+        primaryjoin='PullRequest.target_repo_id==Repository.repo_id',
+        cascade="all, delete, delete-orphan")
+    ui = relationship('RepoRhodeCodeUi', cascade="all")
+    settings = relationship('RepoRhodeCodeSetting', cascade="all")
+    integrations = relationship('Integration',
+                                cascade="all, delete, delete-orphan")
+
+    def __unicode__(self):
+        return u"<%s('%s:%s')>" % (self.__class__.__name__, self.repo_id,
+                                   safe_unicode(self.repo_name))
+
+    @hybrid_property
+    def description_safe(self):
+        from rhodecode.lib import helpers as h
+        return h.escape(self.description)
+
+    @hybrid_property
+    def landing_rev(self):
+        # always should return [rev_type, rev]
+        if self._landing_revision:
+            _rev_info = self._landing_revision.split(':')
+            if len(_rev_info) < 2:
+                _rev_info.insert(0, 'rev')
+            return [_rev_info[0], _rev_info[1]]
+        return [None, None]
+
+    @landing_rev.setter
+    def landing_rev(self, val):
+        if ':' not in val:
+            raise ValueError('value must be delimited with `:` and consist '
+                             'of <rev_type>:<rev>, got %s instead' % val)
+        self._landing_revision = val
+
+    @hybrid_property
+    def locked(self):
+        if self._locked:
+            user_id, timelocked, reason = self._locked.split(':')
+            lock_values = int(user_id), timelocked, reason
+        else:
+            lock_values = [None, None, None]
+        return lock_values
+
+    @locked.setter
+    def locked(self, val):
+        if val and isinstance(val, (list, tuple)):
+            self._locked = ':'.join(map(str, val))
+        else:
+            self._locked = None
+
+    @hybrid_property
+    def changeset_cache(self):
+        from rhodecode.lib.vcs.backends.base import EmptyCommit
+        dummy = EmptyCommit().__json__()
+        if not self._changeset_cache:
+            return dummy
+        try:
+            return json.loads(self._changeset_cache)
+        except TypeError:
+            return dummy
+        except Exception:
+            log.error(traceback.format_exc())
+            return dummy
+
+    @changeset_cache.setter
+    def changeset_cache(self, val):
+        try:
+            self._changeset_cache = json.dumps(val)
+        except Exception:
+            log.error(traceback.format_exc())
+
+    @hybrid_property
+    def repo_name(self):
+        return self._repo_name
+
+    @repo_name.setter
+    def repo_name(self, value):
+        self._repo_name = value
+        self._repo_name_hash = hashlib.sha1(safe_str(value)).hexdigest()
+
+    @classmethod
+    def normalize_repo_name(cls, repo_name):
+        """
+        Normalizes os specific repo_name to the format internally stored inside
+        database using URL_SEP
+
+        :param cls:
+        :param repo_name:
+        """
+        return cls.NAME_SEP.join(repo_name.split(os.sep))
+
+    @classmethod
+    def get_by_repo_name(cls, repo_name, cache=False, identity_cache=False):
+        session = Session()
+        q = session.query(cls).filter(cls.repo_name == repo_name)
+
+        if cache:
+            if identity_cache:
+                val = cls.identity_cache(session, 'repo_name', repo_name)
+                if val:
+                    return val
+            else:
+                cache_key = "get_repo_by_name_%s" % _hash_key(repo_name)
+                q = q.options(
+                    FromCache("sql_cache_short", cache_key))
+
+        return q.scalar()
+
+    @classmethod
+    def get_by_full_path(cls, repo_full_path):
+        repo_name = repo_full_path.split(cls.base_path(), 1)[-1]
+        repo_name = cls.normalize_repo_name(repo_name)
+        return cls.get_by_repo_name(repo_name.strip(URL_SEP))
+
+    @classmethod
+    def get_repo_forks(cls, repo_id):
+        return cls.query().filter(Repository.fork_id == repo_id)
+
+    @classmethod
+    def base_path(cls):
+        """
+        Returns base path when all repos are stored
+
+        :param cls:
+        """
+        q = Session().query(RhodeCodeUi)\
+            .filter(RhodeCodeUi.ui_key == cls.NAME_SEP)
+        q = q.options(FromCache("sql_cache_short", "repository_repo_path"))
+        return q.one().ui_value
+
+    @classmethod
+    def is_valid(cls, repo_name):
+        """
+        returns True if given repo name is a valid filesystem repository
+
+        :param cls:
+        :param repo_name:
+        """
+        from rhodecode.lib.utils import is_valid_repo
+
+        return is_valid_repo(repo_name, cls.base_path())
+
+    @classmethod
+    def get_all_repos(cls, user_id=Optional(None), group_id=Optional(None),
+                      case_insensitive=True):
+        q = Repository.query()
+
+        if not isinstance(user_id, Optional):
+            q = q.filter(Repository.user_id == user_id)
+
+        if not isinstance(group_id, Optional):
+            q = q.filter(Repository.group_id == group_id)
+
+        if case_insensitive:
+            q = q.order_by(func.lower(Repository.repo_name))
+        else:
+            q = q.order_by(Repository.repo_name)
+        return q.all()
+
+    @property
+    def forks(self):
+        """
+        Return forks of this repo
+        """
+        return Repository.get_repo_forks(self.repo_id)
+
+    @property
+    def parent(self):
+        """
+        Returns fork parent
+        """
+        return self.fork
+
+    @property
+    def just_name(self):
+        return self.repo_name.split(self.NAME_SEP)[-1]
+
+    @property
+    def groups_with_parents(self):
+        groups = []
+        if self.group is None:
+            return groups
+
+        cur_gr = self.group
+        groups.insert(0, cur_gr)
+        while 1:
+            gr = getattr(cur_gr, 'parent_group', None)
+            cur_gr = cur_gr.parent_group
+            if gr is None:
+                break
+            groups.insert(0, gr)
+
+        return groups
+
+    @property
+    def groups_and_repo(self):
+        return self.groups_with_parents, self
+
+    @LazyProperty
+    def repo_path(self):
+        """
+        Returns base full path for that repository means where it actually
+        exists on a filesystem
+        """
+        q = Session().query(RhodeCodeUi).filter(
+            RhodeCodeUi.ui_key == self.NAME_SEP)
+        q = q.options(FromCache("sql_cache_short", "repository_repo_path"))
+        return q.one().ui_value
+
+    @property
+    def repo_full_path(self):
+        p = [self.repo_path]
+        # we need to split the name by / since this is how we store the
+        # names in the database, but that eventually needs to be converted
+        # into a valid system path
+        p += self.repo_name.split(self.NAME_SEP)
+        return os.path.join(*map(safe_unicode, p))
+
+    @property
+    def cache_keys(self):
+        """
+        Returns associated cache keys for that repo
+        """
+        return CacheKey.query()\
+            .filter(CacheKey.cache_args == self.repo_name)\
+            .order_by(CacheKey.cache_key)\
+            .all()
+
+    def get_new_name(self, repo_name):
+        """
+        returns new full repository name based on assigned group and new new
+
+        :param group_name:
+        """
+        path_prefix = self.group.full_path_splitted if self.group else []
+        return self.NAME_SEP.join(path_prefix + [repo_name])
+
+    @property
+    def _config(self):
+        """
+        Returns db based config object.
+        """
+        from rhodecode.lib.utils import make_db_config
+        return make_db_config(clear_session=False, repo=self)
+
+    def permissions(self, with_admins=True, with_owner=True):
+        q = UserRepoToPerm.query().filter(UserRepoToPerm.repository == self)
+        q = q.options(joinedload(UserRepoToPerm.repository),
+                      joinedload(UserRepoToPerm.user),
+                      joinedload(UserRepoToPerm.permission),)
+
+        # get owners and admins and permissions. We do a trick of re-writing
+        # objects from sqlalchemy to named-tuples due to sqlalchemy session
+        # has a global reference and changing one object propagates to all
+        # others. This means if admin is also an owner admin_row that change
+        # would propagate to both objects
+        perm_rows = []
+        for _usr in q.all():
+            usr = AttributeDict(_usr.user.get_dict())
+            usr.permission = _usr.permission.permission_name
+            perm_rows.append(usr)
+
+        # filter the perm rows by 'default' first and then sort them by
+        # admin,write,read,none permissions sorted again alphabetically in
+        # each group
+        perm_rows = sorted(perm_rows, key=display_sort)
+
+        _admin_perm = 'repository.admin'
+        owner_row = []
+        if with_owner:
+            usr = AttributeDict(self.user.get_dict())
+            usr.owner_row = True
+            usr.permission = _admin_perm
+            owner_row.append(usr)
+
+        super_admin_rows = []
+        if with_admins:
+            for usr in User.get_all_super_admins():
+                # if this admin is also owner, don't double the record
+                if usr.user_id == owner_row[0].user_id:
+                    owner_row[0].admin_row = True
+                else:
+                    usr = AttributeDict(usr.get_dict())
+                    usr.admin_row = True
+                    usr.permission = _admin_perm
+                    super_admin_rows.append(usr)
+
+        return super_admin_rows + owner_row + perm_rows
+
+    def permission_user_groups(self):
+        q = UserGroupRepoToPerm.query().filter(
+            UserGroupRepoToPerm.repository == self)
+        q = q.options(joinedload(UserGroupRepoToPerm.repository),
+                      joinedload(UserGroupRepoToPerm.users_group),
+                      joinedload(UserGroupRepoToPerm.permission),)
+
+        perm_rows = []
+        for _user_group in q.all():
+            usr = AttributeDict(_user_group.users_group.get_dict())
+            usr.permission = _user_group.permission.permission_name
+            perm_rows.append(usr)
+
+        return perm_rows
+
+    def get_api_data(self, include_secrets=False):
+        """
+        Common function for generating repo api data
+
+        :param include_secrets: See :meth:`User.get_api_data`.
+
+        """
+        # TODO: mikhail: Here there is an anti-pattern, we probably need to
+        # move this methods on models level.
+        from rhodecode.model.settings import SettingsModel
+        from rhodecode.model.repo import RepoModel
+
+        repo = self
+        _user_id, _time, _reason = self.locked
+
+        data = {
+            'repo_id': repo.repo_id,
+            'repo_name': repo.repo_name,
+            'repo_type': repo.repo_type,
+            'clone_uri': repo.clone_uri or '',
+            'url': RepoModel().get_url(self),
+            'private': repo.private,
+            'created_on': repo.created_on,
+            'description': repo.description_safe,
+            'landing_rev': repo.landing_rev,
+            'owner': repo.user.username,
+            'fork_of': repo.fork.repo_name if repo.fork else None,
+            'fork_of_id': repo.fork.repo_id if repo.fork else None,
+            'enable_statistics': repo.enable_statistics,
+            'enable_locking': repo.enable_locking,
+            'enable_downloads': repo.enable_downloads,
+            'last_changeset': repo.changeset_cache,
+            'locked_by': User.get(_user_id).get_api_data(
+                include_secrets=include_secrets) if _user_id else None,
+            'locked_date': time_to_datetime(_time) if _time else None,
+            'lock_reason': _reason if _reason else None,
+        }
+
+        # TODO: mikhail: should be per-repo settings here
+        rc_config = SettingsModel().get_all_settings()
+        repository_fields = str2bool(
+            rc_config.get('rhodecode_repository_fields'))
+        if repository_fields:
+            for f in self.extra_fields:
+                data[f.field_key_prefixed] = f.field_value
+
+        return data
+
+    @classmethod
+    def lock(cls, repo, user_id, lock_time=None, lock_reason=None):
+        if not lock_time:
+            lock_time = time.time()
+        if not lock_reason:
+            lock_reason = cls.LOCK_AUTOMATIC
+        repo.locked = [user_id, lock_time, lock_reason]
+        Session().add(repo)
+        Session().commit()
+
+    @classmethod
+    def unlock(cls, repo):
+        repo.locked = None
+        Session().add(repo)
+        Session().commit()
+
+    @classmethod
+    def getlock(cls, repo):
+        return repo.locked
+
+    def is_user_lock(self, user_id):
+        if self.lock[0]:
+            lock_user_id = safe_int(self.lock[0])
+            user_id = safe_int(user_id)
+            # both are ints, and they are equal
+            return all([lock_user_id, user_id]) and lock_user_id == user_id
+
+        return False
+
+    def get_locking_state(self, action, user_id, only_when_enabled=True):
+        """
+        Checks locking on this repository, if locking is enabled and lock is
+        present returns a tuple of make_lock, locked, locked_by.
+        make_lock can have 3 states None (do nothing) True, make lock
+        False release lock, This value is later propagated to hooks, which
+        do the locking. Think about this as signals passed to hooks what to do.
+
+        """
+        # TODO: johbo: This is part of the business logic and should be moved
+        # into the RepositoryModel.
+
+        if action not in ('push', 'pull'):
+            raise ValueError("Invalid action value: %s" % repr(action))
+
+        # defines if locked error should be thrown to user
+        currently_locked = False
+        # defines if new lock should be made, tri-state
+        make_lock = None
+        repo = self
+        user = User.get(user_id)
+
+        lock_info = repo.locked
+
+        if repo and (repo.enable_locking or not only_when_enabled):
+            if action == 'push':
+                # check if it's already locked !, if it is compare users
+                locked_by_user_id = lock_info[0]
+                if user.user_id == locked_by_user_id:
+                    log.debug(
+                        'Got `push` action from user %s, now unlocking', user)
+                    # unlock if we have push from user who locked
+                    make_lock = False
+                else:
+                    # we're not the same user who locked, ban with
+                    # code defined in settings (default is 423 HTTP Locked) !
+                    log.debug('Repo %s is currently locked by %s', repo, user)
+                    currently_locked = True
+            elif action == 'pull':
+                # [0] user [1] date
+                if lock_info[0] and lock_info[1]:
+                    log.debug('Repo %s is currently locked by %s', repo, user)
+                    currently_locked = True
+                else:
+                    log.debug('Setting lock on repo %s by %s', repo, user)
+                    make_lock = True
+
+        else:
+            log.debug('Repository %s do not have locking enabled', repo)
+
+        log.debug('FINAL locking values make_lock:%s,locked:%s,locked_by:%s',
+                  make_lock, currently_locked, lock_info)
+
+        from rhodecode.lib.auth import HasRepoPermissionAny
+        perm_check = HasRepoPermissionAny('repository.write', 'repository.admin')
+        if make_lock and not perm_check(repo_name=repo.repo_name, user=user):
+            # if we don't have at least write permission we cannot make a lock
+            log.debug('lock state reset back to FALSE due to lack '
+                      'of at least read permission')
+            make_lock = False
+
+        return make_lock, currently_locked, lock_info
+
+    @property
+    def last_db_change(self):
+        return self.updated_on
+
+    @property
+    def clone_uri_hidden(self):
+        clone_uri = self.clone_uri
+        if clone_uri:
+            import urlobject
+            url_obj = urlobject.URLObject(cleaned_uri(clone_uri))
+            if url_obj.password:
+                clone_uri = url_obj.with_password('*****')
+        return clone_uri
+
+    def clone_url(self, **override):
+        from rhodecode.model.settings import SettingsModel
+
+        uri_tmpl = None
+        if 'with_id' in override:
+            uri_tmpl = self.DEFAULT_CLONE_URI_ID
+            del override['with_id']
+
+        if 'uri_tmpl' in override:
+            uri_tmpl = override['uri_tmpl']
+            del override['uri_tmpl']
+
+        # we didn't override our tmpl from **overrides
+        if not uri_tmpl:
+            rc_config = SettingsModel().get_all_settings(cache=True)
+            uri_tmpl = rc_config.get(
+                'rhodecode_clone_uri_tmpl') or self.DEFAULT_CLONE_URI
+
+        request = get_current_request()
+        return get_clone_url(request=request,
+                             uri_tmpl=uri_tmpl,
+                             repo_name=self.repo_name,
+                             repo_id=self.repo_id, **override)
+
+    def set_state(self, state):
+        self.repo_state = state
+        Session().add(self)
+    #==========================================================================
+    # SCM PROPERTIES
+    #==========================================================================
+
+    def get_commit(self, commit_id=None, commit_idx=None, pre_load=None):
+        return get_commit_safe(
+            self.scm_instance(), commit_id, commit_idx, pre_load=pre_load)
+
+    def get_changeset(self, rev=None, pre_load=None):
+        warnings.warn("Use get_commit", DeprecationWarning)
+        commit_id = None
+        commit_idx = None
+        if isinstance(rev, basestring):
+            commit_id = rev
+        else:
+            commit_idx = rev
+        return self.get_commit(commit_id=commit_id, commit_idx=commit_idx,
+                               pre_load=pre_load)
+
+    def get_landing_commit(self):
+        """
+        Returns landing commit, or if that doesn't exist returns the tip
+        """
+        _rev_type, _rev = self.landing_rev
+        commit = self.get_commit(_rev)
+        if isinstance(commit, EmptyCommit):
+            return self.get_commit()
+        return commit
+
+    def update_commit_cache(self, cs_cache=None, config=None):
+        """
+        Update cache of last changeset for repository, keys should be::
+
+            short_id
+            raw_id
+            revision
+            parents
+            message
+            date
+            author
+
+        :param cs_cache:
+        """
+        from rhodecode.lib.vcs.backends.base import BaseChangeset
+        if cs_cache is None:
+            # use no-cache version here
+            scm_repo = self.scm_instance(cache=False, config=config)
+            if scm_repo:
+                cs_cache = scm_repo.get_commit(
+                    pre_load=["author", "date", "message", "parents"])
+            else:
+                cs_cache = EmptyCommit()
+
+        if isinstance(cs_cache, BaseChangeset):
+            cs_cache = cs_cache.__json__()
+
+        def is_outdated(new_cs_cache):
+            if (new_cs_cache['raw_id'] != self.changeset_cache['raw_id'] or
+                new_cs_cache['revision'] != self.changeset_cache['revision']):
+                return True
+            return False
+
+        # check if we have maybe already latest cached revision
+        if is_outdated(cs_cache) or not self.changeset_cache:
+            _default = datetime.datetime.fromtimestamp(0)
+            last_change = cs_cache.get('date') or _default
+            log.debug('updated repo %s with new cs cache %s',
+                      self.repo_name, cs_cache)
+            self.updated_on = last_change
+            self.changeset_cache = cs_cache
+            Session().add(self)
+            Session().commit()
+        else:
+            log.debug('Skipping update_commit_cache for repo:`%s` '
+                      'commit already with latest changes', self.repo_name)
+
+    @property
+    def tip(self):
+        return self.get_commit('tip')
+
+    @property
+    def author(self):
+        return self.tip.author
+
+    @property
+    def last_change(self):
+        return self.scm_instance().last_change
+
+    def get_comments(self, revisions=None):
+        """
+        Returns comments for this repository grouped by revisions
+
+        :param revisions: filter query by revisions only
+        """
+        cmts = ChangesetComment.query()\
+            .filter(ChangesetComment.repo == self)
+        if revisions:
+            cmts = cmts.filter(ChangesetComment.revision.in_(revisions))
+        grouped = collections.defaultdict(list)
+        for cmt in cmts.all():
+            grouped[cmt.revision].append(cmt)
+        return grouped
+
+    def statuses(self, revisions=None):
+        """
+        Returns statuses for this repository
+
+        :param revisions: list of revisions to get statuses for
+        """
+        statuses = ChangesetStatus.query()\
+            .filter(ChangesetStatus.repo == self)\
+            .filter(ChangesetStatus.version == 0)
+
+        if revisions:
+            # Try doing the filtering in chunks to avoid hitting limits
+            size = 500
+            status_results = []
+            for chunk in xrange(0, len(revisions), size):
+                status_results += statuses.filter(
+                    ChangesetStatus.revision.in_(
+                        revisions[chunk: chunk+size])
+                ).all()
+        else:
+            status_results = statuses.all()
+
+        grouped = {}
+
+        # maybe we have open new pullrequest without a status?
+        stat = ChangesetStatus.STATUS_UNDER_REVIEW
+        status_lbl = ChangesetStatus.get_status_lbl(stat)
+        for pr in PullRequest.query().filter(PullRequest.source_repo == self).all():
+            for rev in pr.revisions:
+                pr_id = pr.pull_request_id
+                pr_repo = pr.target_repo.repo_name
+                grouped[rev] = [stat, status_lbl, pr_id, pr_repo]
+
+        for stat in status_results:
+            pr_id = pr_repo = None
+            if stat.pull_request:
+                pr_id = stat.pull_request.pull_request_id
+                pr_repo = stat.pull_request.target_repo.repo_name
+            grouped[stat.revision] = [str(stat.status), stat.status_lbl,
+                                      pr_id, pr_repo]
+        return grouped
+
+    # ==========================================================================
+    # SCM CACHE INSTANCE
+    # ==========================================================================
+
+    def scm_instance(self, **kwargs):
+        import rhodecode
+
+        # Passing a config will not hit the cache currently only used
+        # for repo2dbmapper
+        config = kwargs.pop('config', None)
+        cache = kwargs.pop('cache', None)
+        full_cache = str2bool(rhodecode.CONFIG.get('vcs_full_cache'))
+        # if cache is NOT defined use default global, else we have a full
+        # control over cache behaviour
+        if cache is None and full_cache and not config:
+            return self._get_instance_cached()
+        return self._get_instance(cache=bool(cache), config=config)
+
+    def _get_instance_cached(self):
+        @cache_region('long_term')
+        def _get_repo(cache_key):
+            return self._get_instance()
+
+        invalidator_context = CacheKey.repo_context_cache(
+            _get_repo, self.repo_name, None, thread_scoped=True)
+
+        with invalidator_context as context:
+            context.invalidate()
+            repo = context.compute()
+
+        return repo
+
+    def _get_instance(self, cache=True, config=None):
+        config = config or self._config
+        custom_wire = {
+            'cache': cache  # controls the vcs.remote cache
+        }
+        repo = get_vcs_instance(
+            repo_path=safe_str(self.repo_full_path),
+            config=config,
+            with_wire=custom_wire,
+            create=False,
+            _vcs_alias=self.repo_type)
+
+        return repo
+
+    def __json__(self):
+        return {'landing_rev': self.landing_rev}
+
+    def get_dict(self):
+
+        # Since we transformed `repo_name` to a hybrid property, we need to
+        # keep compatibility with the code which uses `repo_name` field.
+
+        result = super(Repository, self).get_dict()
+        result['repo_name'] = result.pop('_repo_name', None)
+        return result
+
+
+class RepoGroup(Base, BaseModel):
+    __tablename__ = 'groups'
+    __table_args__ = (
+        UniqueConstraint('group_name', 'group_parent_id'),
+        CheckConstraint('group_id != group_parent_id'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
+    )
+    __mapper_args__ = {'order_by': 'group_name'}
+
+    CHOICES_SEPARATOR = '/'  # used to generate select2 choices for nested groups
+
+    group_id = Column("group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    group_name = Column("group_name", String(255), nullable=False, unique=True, default=None)
+    group_parent_id = Column("group_parent_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=None, default=None)
+    group_description = Column("group_description", String(10000), nullable=True, unique=None, default=None)
+    enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
+    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
+    created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
+    updated_on = Column('updated_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
+    personal = Column('personal', Boolean(), nullable=True, unique=None, default=None)
+
+    repo_group_to_perm = relationship('UserRepoGroupToPerm', cascade='all', order_by='UserRepoGroupToPerm.group_to_perm_id')
+    users_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
+    parent_group = relationship('RepoGroup', remote_side=group_id)
+    user = relationship('User')
+    integrations = relationship('Integration',
+                                cascade="all, delete, delete-orphan")
+
+    def __init__(self, group_name='', parent_group=None):
+        self.group_name = group_name
+        self.parent_group = parent_group
+
+    def __unicode__(self):
+        return u"<%s('id:%s:%s')>" % (
+            self.__class__.__name__, self.group_id, self.group_name)
+
+    @hybrid_property
+    def description_safe(self):
+        from rhodecode.lib import helpers as h
+        return h.escape(self.group_description)
+
+    @classmethod
+    def _generate_choice(cls, repo_group):
+        from webhelpers.html import literal as _literal
+        _name = lambda k: _literal(cls.CHOICES_SEPARATOR.join(k))
+        return repo_group.group_id, _name(repo_group.full_path_splitted)
+
+    @classmethod
+    def groups_choices(cls, groups=None, show_empty_group=True):
+        if not groups:
+            groups = cls.query().all()
+
+        repo_groups = []
+        if show_empty_group:
+            repo_groups = [(-1, u'-- %s --' % _('No parent'))]
+
+        repo_groups.extend([cls._generate_choice(x) for x in groups])
+
+        repo_groups = sorted(
+            repo_groups, key=lambda t: t[1].split(cls.CHOICES_SEPARATOR)[0])
+        return repo_groups
+
+    @classmethod
+    def url_sep(cls):
+        return URL_SEP
+
+    @classmethod
+    def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):
+        if case_insensitive:
+            gr = cls.query().filter(func.lower(cls.group_name)
+                                    == func.lower(group_name))
+        else:
+            gr = cls.query().filter(cls.group_name == group_name)
+        if cache:
+            name_key = _hash_key(group_name)
+            gr = gr.options(
+                FromCache("sql_cache_short", "get_group_%s" % name_key))
+        return gr.scalar()
+
+    @classmethod
+    def get_user_personal_repo_group(cls, user_id):
+        user = User.get(user_id)
+        if user.username == User.DEFAULT_USER:
+            return None
+
+        return cls.query()\
+            .filter(cls.personal == true()) \
+            .filter(cls.user == user).scalar()
+
+    @classmethod
+    def get_all_repo_groups(cls, user_id=Optional(None), group_id=Optional(None),
+                            case_insensitive=True):
+        q = RepoGroup.query()
+
+        if not isinstance(user_id, Optional):
+            q = q.filter(RepoGroup.user_id == user_id)
+
+        if not isinstance(group_id, Optional):
+            q = q.filter(RepoGroup.group_parent_id == group_id)
+
+        if case_insensitive:
+            q = q.order_by(func.lower(RepoGroup.group_name))
+        else:
+            q = q.order_by(RepoGroup.group_name)
+        return q.all()
+
+    @property
+    def parents(self):
+        parents_recursion_limit = 10
+        groups = []
+        if self.parent_group is None:
+            return groups
+        cur_gr = self.parent_group
+        groups.insert(0, cur_gr)
+        cnt = 0
+        while 1:
+            cnt += 1
+            gr = getattr(cur_gr, 'parent_group', None)
+            cur_gr = cur_gr.parent_group
+            if gr is None:
+                break
+            if cnt == parents_recursion_limit:
+                # this will prevent accidental infinit loops
+                log.error(('more than %s parents found for group %s, stopping '
+                           'recursive parent fetching' % (parents_recursion_limit, self)))
+                break
+
+            groups.insert(0, gr)
+        return groups
+
+    @property
+    def last_db_change(self):
+        return self.updated_on
+
+    @property
+    def children(self):
+        return RepoGroup.query().filter(RepoGroup.parent_group == self)
+
+    @property
+    def name(self):
+        return self.group_name.split(RepoGroup.url_sep())[-1]
+
+    @property
+    def full_path(self):
+        return self.group_name
+
+    @property
+    def full_path_splitted(self):
+        return self.group_name.split(RepoGroup.url_sep())
+
+    @property
+    def repositories(self):
+        return Repository.query()\
+                .filter(Repository.group == self)\
+                .order_by(Repository.repo_name)
+
+    @property
+    def repositories_recursive_count(self):
+        cnt = self.repositories.count()
+
+        def children_count(group):
+            cnt = 0
+            for child in group.children:
+                cnt += child.repositories.count()
+                cnt += children_count(child)
+            return cnt
+
+        return cnt + children_count(self)
+
+    def _recursive_objects(self, include_repos=True):
+        all_ = []
+
+        def _get_members(root_gr):
+            if include_repos:
+                for r in root_gr.repositories:
+                    all_.append(r)
+            childs = root_gr.children.all()
+            if childs:
+                for gr in childs:
+                    all_.append(gr)
+                    _get_members(gr)
+
+        _get_members(self)
+        return [self] + all_
+
+    def recursive_groups_and_repos(self):
+        """
+        Recursive return all groups, with repositories in those groups
+        """
+        return self._recursive_objects()
+
+    def recursive_groups(self):
+        """
+        Returns all children groups for this group including children of children
+        """
+        return self._recursive_objects(include_repos=False)
+
+    def get_new_name(self, group_name):
+        """
+        returns new full group name based on parent and new name
+
+        :param group_name:
+        """
+        path_prefix = (self.parent_group.full_path_splitted if
+                       self.parent_group else [])
+        return RepoGroup.url_sep().join(path_prefix + [group_name])
+
+    def permissions(self, with_admins=True, with_owner=True):
+        q = UserRepoGroupToPerm.query().filter(UserRepoGroupToPerm.group == self)
+        q = q.options(joinedload(UserRepoGroupToPerm.group),
+                      joinedload(UserRepoGroupToPerm.user),
+                      joinedload(UserRepoGroupToPerm.permission),)
+
+        # get owners and admins and permissions. We do a trick of re-writing
+        # objects from sqlalchemy to named-tuples due to sqlalchemy session
+        # has a global reference and changing one object propagates to all
+        # others. This means if admin is also an owner admin_row that change
+        # would propagate to both objects
+        perm_rows = []
+        for _usr in q.all():
+            usr = AttributeDict(_usr.user.get_dict())
+            usr.permission = _usr.permission.permission_name
+            perm_rows.append(usr)
+
+        # filter the perm rows by 'default' first and then sort them by
+        # admin,write,read,none permissions sorted again alphabetically in
+        # each group
+        perm_rows = sorted(perm_rows, key=display_sort)
+
+        _admin_perm = 'group.admin'
+        owner_row = []
+        if with_owner:
+            usr = AttributeDict(self.user.get_dict())
+            usr.owner_row = True
+            usr.permission = _admin_perm
+            owner_row.append(usr)
+
+        super_admin_rows = []
+        if with_admins:
+            for usr in User.get_all_super_admins():
+                # if this admin is also owner, don't double the record
+                if usr.user_id == owner_row[0].user_id:
+                    owner_row[0].admin_row = True
+                else:
+                    usr = AttributeDict(usr.get_dict())
+                    usr.admin_row = True
+                    usr.permission = _admin_perm
+                    super_admin_rows.append(usr)
+
+        return super_admin_rows + owner_row + perm_rows
+
+    def permission_user_groups(self):
+        q = UserGroupRepoGroupToPerm.query().filter(UserGroupRepoGroupToPerm.group == self)
+        q = q.options(joinedload(UserGroupRepoGroupToPerm.group),
+                      joinedload(UserGroupRepoGroupToPerm.users_group),
+                      joinedload(UserGroupRepoGroupToPerm.permission),)
+
+        perm_rows = []
+        for _user_group in q.all():
+            usr = AttributeDict(_user_group.users_group.get_dict())
+            usr.permission = _user_group.permission.permission_name
+            perm_rows.append(usr)
+
+        return perm_rows
+
+    def get_api_data(self):
+        """
+        Common function for generating api data
+
+        """
+        group = self
+        data = {
+            'group_id': group.group_id,
+            'group_name': group.group_name,
+            'group_description': group.description_safe,
+            'parent_group': group.parent_group.group_name if group.parent_group else None,
+            'repositories': [x.repo_name for x in group.repositories],
+            'owner': group.user.username,
+        }
+        return data
+
+
+class Permission(Base, BaseModel):
+    __tablename__ = 'permissions'
+    __table_args__ = (
+        Index('p_perm_name_idx', 'permission_name'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
+    )
+    PERMS = [
+        ('hg.admin', _('RhodeCode Super Administrator')),
+
+        ('repository.none', _('Repository no access')),
+        ('repository.read', _('Repository read access')),
+        ('repository.write', _('Repository write access')),
+        ('repository.admin', _('Repository admin access')),
+
+        ('group.none', _('Repository group no access')),
+        ('group.read', _('Repository group read access')),
+        ('group.write', _('Repository group write access')),
+        ('group.admin', _('Repository group admin access')),
+
+        ('usergroup.none', _('User group no access')),
+        ('usergroup.read', _('User group read access')),
+        ('usergroup.write', _('User group write access')),
+        ('usergroup.admin', _('User group admin access')),
+
+        ('hg.repogroup.create.false', _('Repository Group creation disabled')),
+        ('hg.repogroup.create.true', _('Repository Group creation enabled')),
+
+        ('hg.usergroup.create.false', _('User Group creation disabled')),
+        ('hg.usergroup.create.true', _('User Group creation enabled')),
+
+        ('hg.create.none', _('Repository creation disabled')),
+        ('hg.create.repository', _('Repository creation enabled')),
+        ('hg.create.write_on_repogroup.true', _('Repository creation enabled with write permission to a repository group')),
+        ('hg.create.write_on_repogroup.false', _('Repository creation disabled with write permission to a repository group')),
+
+        ('hg.fork.none', _('Repository forking disabled')),
+        ('hg.fork.repository', _('Repository forking enabled')),
+
+        ('hg.register.none', _('Registration disabled')),
+        ('hg.register.manual_activate', _('User Registration with manual account activation')),
+        ('hg.register.auto_activate', _('User Registration with automatic account activation')),
+
+        ('hg.password_reset.enabled', _('Password reset enabled')),
+        ('hg.password_reset.hidden', _('Password reset hidden')),
+        ('hg.password_reset.disabled', _('Password reset disabled')),
+
+        ('hg.extern_activate.manual', _('Manual activation of external account')),
+        ('hg.extern_activate.auto', _('Automatic activation of external account')),
+
+        ('hg.inherit_default_perms.false', _('Inherit object permissions from default user disabled')),
+        ('hg.inherit_default_perms.true', _('Inherit object permissions from default user enabled')),
+    ]
+
+    # definition of system default permissions for DEFAULT user
+    DEFAULT_USER_PERMISSIONS = [
+        'repository.read',
+        'group.read',
+        'usergroup.read',
+        'hg.create.repository',
+        'hg.repogroup.create.false',
+        'hg.usergroup.create.false',
+        'hg.create.write_on_repogroup.true',
+        'hg.fork.repository',
+        'hg.register.manual_activate',
+        'hg.password_reset.enabled',
+        'hg.extern_activate.auto',
+        'hg.inherit_default_perms.true',
+    ]
+
+    # defines which permissions are more important higher the more important
+    # Weight defines which permissions are more important.
+    # The higher number the more important.
+    PERM_WEIGHTS = {
+        'repository.none': 0,
+        'repository.read': 1,
+        'repository.write': 3,
+        'repository.admin': 4,
+
+        'group.none': 0,
+        'group.read': 1,
+        'group.write': 3,
+        'group.admin': 4,
+
+        'usergroup.none': 0,
+        'usergroup.read': 1,
+        'usergroup.write': 3,
+        'usergroup.admin': 4,
+
+        'hg.repogroup.create.false': 0,
+        'hg.repogroup.create.true': 1,
+
+        'hg.usergroup.create.false': 0,
+        'hg.usergroup.create.true': 1,
+
+        'hg.fork.none': 0,
+        'hg.fork.repository': 1,
+        'hg.create.none': 0,
+        'hg.create.repository': 1
+    }
+
+    permission_id = Column("permission_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    permission_name = Column("permission_name", String(255), nullable=True, unique=None, default=None)
+    permission_longname = Column("permission_longname", String(255), nullable=True, unique=None, default=None)
+
+    def __unicode__(self):
+        return u"<%s('%s:%s')>" % (
+            self.__class__.__name__, self.permission_id, self.permission_name
+        )
+
+    @classmethod
+    def get_by_key(cls, key):
+        return cls.query().filter(cls.permission_name == key).scalar()
+
+    @classmethod
+    def get_default_repo_perms(cls, user_id, repo_id=None):
+        q = Session().query(UserRepoToPerm, Repository, Permission)\
+            .join((Permission, UserRepoToPerm.permission_id == Permission.permission_id))\
+            .join((Repository, UserRepoToPerm.repository_id == Repository.repo_id))\
+            .filter(UserRepoToPerm.user_id == user_id)
+        if repo_id:
+            q = q.filter(UserRepoToPerm.repository_id == repo_id)
+        return q.all()
+
+    @classmethod
+    def get_default_repo_perms_from_user_group(cls, user_id, repo_id=None):
+        q = Session().query(UserGroupRepoToPerm, Repository, Permission)\
+            .join(
+                Permission,
+                UserGroupRepoToPerm.permission_id == Permission.permission_id)\
+            .join(
+                Repository,
+                UserGroupRepoToPerm.repository_id == Repository.repo_id)\
+            .join(
+                UserGroup,
+                UserGroupRepoToPerm.users_group_id ==
+                UserGroup.users_group_id)\
+            .join(
+                UserGroupMember,
+                UserGroupRepoToPerm.users_group_id ==
+                UserGroupMember.users_group_id)\
+            .filter(
+                UserGroupMember.user_id == user_id,
+                UserGroup.users_group_active == true())
+        if repo_id:
+            q = q.filter(UserGroupRepoToPerm.repository_id == repo_id)
+        return q.all()
+
+    @classmethod
+    def get_default_group_perms(cls, user_id, repo_group_id=None):
+        q = Session().query(UserRepoGroupToPerm, RepoGroup, Permission)\
+            .join((Permission, UserRepoGroupToPerm.permission_id == Permission.permission_id))\
+            .join((RepoGroup, UserRepoGroupToPerm.group_id == RepoGroup.group_id))\
+            .filter(UserRepoGroupToPerm.user_id == user_id)
+        if repo_group_id:
+            q = q.filter(UserRepoGroupToPerm.group_id == repo_group_id)
+        return q.all()
+
+    @classmethod
+    def get_default_group_perms_from_user_group(
+            cls, user_id, repo_group_id=None):
+        q = Session().query(UserGroupRepoGroupToPerm, RepoGroup, Permission)\
+            .join(
+                Permission,
+                UserGroupRepoGroupToPerm.permission_id ==
+                Permission.permission_id)\
+            .join(
+                RepoGroup,
+                UserGroupRepoGroupToPerm.group_id == RepoGroup.group_id)\
+            .join(
+                UserGroup,
+                UserGroupRepoGroupToPerm.users_group_id ==
+                UserGroup.users_group_id)\
+            .join(
+                UserGroupMember,
+                UserGroupRepoGroupToPerm.users_group_id ==
+                UserGroupMember.users_group_id)\
+            .filter(
+                UserGroupMember.user_id == user_id,
+                UserGroup.users_group_active == true())
+        if repo_group_id:
+            q = q.filter(UserGroupRepoGroupToPerm.group_id == repo_group_id)
+        return q.all()
+
+    @classmethod
+    def get_default_user_group_perms(cls, user_id, user_group_id=None):
+        q = Session().query(UserUserGroupToPerm, UserGroup, Permission)\
+            .join((Permission, UserUserGroupToPerm.permission_id == Permission.permission_id))\
+            .join((UserGroup, UserUserGroupToPerm.user_group_id == UserGroup.users_group_id))\
+            .filter(UserUserGroupToPerm.user_id == user_id)
+        if user_group_id:
+            q = q.filter(UserUserGroupToPerm.user_group_id == user_group_id)
+        return q.all()
+
+    @classmethod
+    def get_default_user_group_perms_from_user_group(
+            cls, user_id, user_group_id=None):
+        TargetUserGroup = aliased(UserGroup, name='target_user_group')
+        q = Session().query(UserGroupUserGroupToPerm, UserGroup, Permission)\
+            .join(
+                Permission,
+                UserGroupUserGroupToPerm.permission_id ==
+                Permission.permission_id)\
+            .join(
+                TargetUserGroup,
+                UserGroupUserGroupToPerm.target_user_group_id ==
+                TargetUserGroup.users_group_id)\
+            .join(
+                UserGroup,
+                UserGroupUserGroupToPerm.user_group_id ==
+                UserGroup.users_group_id)\
+            .join(
+                UserGroupMember,
+                UserGroupUserGroupToPerm.user_group_id ==
+                UserGroupMember.users_group_id)\
+            .filter(
+                UserGroupMember.user_id == user_id,
+                UserGroup.users_group_active == true())
+        if user_group_id:
+            q = q.filter(
+                UserGroupUserGroupToPerm.user_group_id == user_group_id)
+
+        return q.all()
+
+
+class UserRepoToPerm(Base, BaseModel):
+    __tablename__ = 'repo_to_perm'
+    __table_args__ = (
+        UniqueConstraint('user_id', 'repository_id', 'permission_id'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+    repo_to_perm_id = Column("repo_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
+    permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
+    repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
+
+    user = relationship('User')
+    repository = relationship('Repository')
+    permission = relationship('Permission')
+
+    @classmethod
+    def create(cls, user, repository, permission):
+        n = cls()
+        n.user = user
+        n.repository = repository
+        n.permission = permission
+        Session().add(n)
+        return n
+
+    def __unicode__(self):
+        return u'<%s => %s >' % (self.user, self.repository)
+
+
+class UserUserGroupToPerm(Base, BaseModel):
+    __tablename__ = 'user_user_group_to_perm'
+    __table_args__ = (
+        UniqueConstraint('user_id', 'user_group_id', 'permission_id'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+    user_user_group_to_perm_id = Column("user_user_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
+    permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
+    user_group_id = Column("user_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
+
+    user = relationship('User')
+    user_group = relationship('UserGroup')
+    permission = relationship('Permission')
+
+    @classmethod
+    def create(cls, user, user_group, permission):
+        n = cls()
+        n.user = user
+        n.user_group = user_group
+        n.permission = permission
+        Session().add(n)
+        return n
+
+    def __unicode__(self):
+        return u'<%s => %s >' % (self.user, self.user_group)
+
+
+class UserToPerm(Base, BaseModel):
+    __tablename__ = 'user_to_perm'
+    __table_args__ = (
+        UniqueConstraint('user_id', 'permission_id'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+    user_to_perm_id = Column("user_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
+    permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
+
+    user = relationship('User')
+    permission = relationship('Permission', lazy='joined')
+
+    def __unicode__(self):
+        return u'<%s => %s >' % (self.user, self.permission)
+
+
+class UserGroupRepoToPerm(Base, BaseModel):
+    __tablename__ = 'users_group_repo_to_perm'
+    __table_args__ = (
+        UniqueConstraint('repository_id', 'users_group_id', 'permission_id'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+    users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
+    permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
+    repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
+
+    users_group = relationship('UserGroup')
+    permission = relationship('Permission')
+    repository = relationship('Repository')
+
+    @classmethod
+    def create(cls, users_group, repository, permission):
+        n = cls()
+        n.users_group = users_group
+        n.repository = repository
+        n.permission = permission
+        Session().add(n)
+        return n
+
+    def __unicode__(self):
+        return u'<UserGroupRepoToPerm:%s => %s >' % (self.users_group, self.repository)
+
+
+class UserGroupUserGroupToPerm(Base, BaseModel):
+    __tablename__ = 'user_group_user_group_to_perm'
+    __table_args__ = (
+        UniqueConstraint('target_user_group_id', 'user_group_id', 'permission_id'),
+        CheckConstraint('target_user_group_id != user_group_id'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+    user_group_user_group_to_perm_id = Column("user_group_user_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    target_user_group_id = Column("target_user_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
+    permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
+    user_group_id = Column("user_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
+
+    target_user_group = relationship('UserGroup', primaryjoin='UserGroupUserGroupToPerm.target_user_group_id==UserGroup.users_group_id')
+    user_group = relationship('UserGroup', primaryjoin='UserGroupUserGroupToPerm.user_group_id==UserGroup.users_group_id')
+    permission = relationship('Permission')
+
+    @classmethod
+    def create(cls, target_user_group, user_group, permission):
+        n = cls()
+        n.target_user_group = target_user_group
+        n.user_group = user_group
+        n.permission = permission
+        Session().add(n)
+        return n
+
+    def __unicode__(self):
+        return u'<UserGroupUserGroup:%s => %s >' % (self.target_user_group, self.user_group)
+
+
+class UserGroupToPerm(Base, BaseModel):
+    __tablename__ = 'users_group_to_perm'
+    __table_args__ = (
+        UniqueConstraint('users_group_id', 'permission_id',),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+    users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
+    permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
+
+    users_group = relationship('UserGroup')
+    permission = relationship('Permission')
+
+
+class UserRepoGroupToPerm(Base, BaseModel):
+    __tablename__ = 'user_repo_group_to_perm'
+    __table_args__ = (
+        UniqueConstraint('user_id', 'group_id', 'permission_id'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+
+    group_to_perm_id = Column("group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
+    group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
+    permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
+
+    user = relationship('User')
+    group = relationship('RepoGroup')
+    permission = relationship('Permission')
+
+    @classmethod
+    def create(cls, user, repository_group, permission):
+        n = cls()
+        n.user = user
+        n.group = repository_group
+        n.permission = permission
+        Session().add(n)
+        return n
+
+
+class UserGroupRepoGroupToPerm(Base, BaseModel):
+    __tablename__ = 'users_group_repo_group_to_perm'
+    __table_args__ = (
+        UniqueConstraint('users_group_id', 'group_id'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+
+    users_group_repo_group_to_perm_id = Column("users_group_repo_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
+    group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
+    permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
+
+    users_group = relationship('UserGroup')
+    permission = relationship('Permission')
+    group = relationship('RepoGroup')
+
+    @classmethod
+    def create(cls, user_group, repository_group, permission):
+        n = cls()
+        n.users_group = user_group
+        n.group = repository_group
+        n.permission = permission
+        Session().add(n)
+        return n
+
+    def __unicode__(self):
+        return u'<UserGroupRepoGroupToPerm:%s => %s >' % (self.users_group, self.group)
+
+
+class Statistics(Base, BaseModel):
+    __tablename__ = 'statistics'
+    __table_args__ = (
+         {'extend_existing': True, 'mysql_engine': 'InnoDB',
+          'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+    stat_id = Column("stat_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=True, default=None)
+    stat_on_revision = Column("stat_on_revision", Integer(), nullable=False)
+    commit_activity = Column("commit_activity", LargeBinary(1000000), nullable=False)#JSON data
+    commit_activity_combined = Column("commit_activity_combined", LargeBinary(), nullable=False)#JSON data
+    languages = Column("languages", LargeBinary(1000000), nullable=False)#JSON data
+
+    repository = relationship('Repository', single_parent=True)
+
+
+class UserFollowing(Base, BaseModel):
+    __tablename__ = 'user_followings'
+    __table_args__ = (
+        UniqueConstraint('user_id', 'follows_repository_id'),
+        UniqueConstraint('user_id', 'follows_user_id'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+
+    user_following_id = Column("user_following_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
+    follows_repo_id = Column("follows_repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=None, default=None)
+    follows_user_id = Column("follows_user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
+    follows_from = Column('follows_from', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
+
+    user = relationship('User', primaryjoin='User.user_id==UserFollowing.user_id')
+
+    follows_user = relationship('User', primaryjoin='User.user_id==UserFollowing.follows_user_id')
+    follows_repository = relationship('Repository', order_by='Repository.repo_name')
+
+    @classmethod
+    def get_repo_followers(cls, repo_id):
+        return cls.query().filter(cls.follows_repo_id == repo_id)
+
+
+class CacheKey(Base, BaseModel):
+    __tablename__ = 'cache_invalidation'
+    __table_args__ = (
+        UniqueConstraint('cache_key'),
+        Index('key_idx', 'cache_key'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
+    )
+    CACHE_TYPE_ATOM = 'ATOM'
+    CACHE_TYPE_RSS = 'RSS'
+    CACHE_TYPE_README = 'README'
+
+    cache_id = Column("cache_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    cache_key = Column("cache_key", String(255), nullable=True, unique=None, default=None)
+    cache_args = Column("cache_args", String(255), nullable=True, unique=None, default=None)
+    cache_active = Column("cache_active", Boolean(), nullable=True, unique=None, default=False)
+
+    def __init__(self, cache_key, cache_args=''):
+        self.cache_key = cache_key
+        self.cache_args = cache_args
+        self.cache_active = False
+
+    def __unicode__(self):
+        return u"<%s('%s:%s[%s]')>" % (
+            self.__class__.__name__,
+            self.cache_id, self.cache_key, self.cache_active)
+
+    def _cache_key_partition(self):
+        prefix, repo_name, suffix = self.cache_key.partition(self.cache_args)
+        return prefix, repo_name, suffix
+
+    def get_prefix(self):
+        """
+        Try to extract prefix from existing cache key. The key could consist
+        of prefix, repo_name, suffix
+        """
+        # this returns prefix, repo_name, suffix
+        return self._cache_key_partition()[0]
+
+    def get_suffix(self):
+        """
+        get suffix that might have been used in _get_cache_key to
+        generate self.cache_key. Only used for informational purposes
+        in repo_edit.mako.
+        """
+        # prefix, repo_name, suffix
+        return self._cache_key_partition()[2]
+
+    @classmethod
+    def delete_all_cache(cls):
+        """
+        Delete all cache keys from database.
+        Should only be run when all instances are down and all entries
+        thus stale.
+        """
+        cls.query().delete()
+        Session().commit()
+
+    @classmethod
+    def get_cache_key(cls, repo_name, cache_type):
+        """
+
+        Generate a cache key for this process of RhodeCode instance.
+        Prefix most likely will be process id or maybe explicitly set
+        instance_id from .ini file.
+        """
+        import rhodecode
+        prefix = safe_unicode(rhodecode.CONFIG.get('instance_id') or '')
+
+        repo_as_unicode = safe_unicode(repo_name)
+        key = u'{}_{}'.format(repo_as_unicode, cache_type) \
+            if cache_type else repo_as_unicode
+
+        return u'{}{}'.format(prefix, key)
+
+    @classmethod
+    def set_invalidate(cls, repo_name, delete=False):
+        """
+        Mark all caches of a repo as invalid in the database.
+        """
+
+        try:
+            qry = Session().query(cls).filter(cls.cache_args == repo_name)
+            if delete:
+                log.debug('cache objects deleted for repo %s',
+                          safe_str(repo_name))
+                qry.delete()
+            else:
+                log.debug('cache objects marked as invalid for repo %s',
+                          safe_str(repo_name))
+                qry.update({"cache_active": False})
+
+            Session().commit()
+        except Exception:
+            log.exception(
+                'Cache key invalidation failed for repository %s',
+                safe_str(repo_name))
+            Session().rollback()
+
+    @classmethod
+    def get_active_cache(cls, cache_key):
+        inv_obj = cls.query().filter(cls.cache_key == cache_key).scalar()
+        if inv_obj:
+            return inv_obj
+        return None
+
+    @classmethod
+    def repo_context_cache(cls, compute_func, repo_name, cache_type,
+                           thread_scoped=False):
+        """
+        @cache_region('long_term')
+        def _heavy_calculation(cache_key):
+            return 'result'
+
+        cache_context = CacheKey.repo_context_cache(
+            _heavy_calculation, repo_name, cache_type)
+
+        with cache_context as context:
+            context.invalidate()
+            computed = context.compute()
+
+        assert computed == 'result'
+        """
+        from rhodecode.lib import caches
+        return caches.InvalidationContext(
+            compute_func, repo_name, cache_type, thread_scoped=thread_scoped)
+
+
+class ChangesetComment(Base, BaseModel):
+    __tablename__ = 'changeset_comments'
+    __table_args__ = (
+        Index('cc_revision_idx', 'revision'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
+    )
+
+    COMMENT_OUTDATED = u'comment_outdated'
+    COMMENT_TYPE_NOTE = u'note'
+    COMMENT_TYPE_TODO = u'todo'
+    COMMENT_TYPES = [COMMENT_TYPE_NOTE, COMMENT_TYPE_TODO]
+
+    comment_id = Column('comment_id', Integer(), nullable=False, primary_key=True)
+    repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
+    revision = Column('revision', String(40), nullable=True)
+    pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
+    pull_request_version_id = Column("pull_request_version_id", Integer(), ForeignKey('pull_request_versions.pull_request_version_id'), nullable=True)
+    line_no = Column('line_no', Unicode(10), nullable=True)
+    hl_lines = Column('hl_lines', Unicode(512), nullable=True)
+    f_path = Column('f_path', Unicode(1000), nullable=True)
+    user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
+    text = Column('text', UnicodeText().with_variant(UnicodeText(25000), 'mysql'), nullable=False)
+    created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
+    modified_at = Column('modified_at', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
+    renderer = Column('renderer', Unicode(64), nullable=True)
+    display_state = Column('display_state',  Unicode(128), nullable=True)
+
+    comment_type = Column('comment_type',  Unicode(128), nullable=True, default=COMMENT_TYPE_NOTE)
+    resolved_comment_id = Column('resolved_comment_id', Integer(), ForeignKey('changeset_comments.comment_id'), nullable=True)
+    resolved_comment = relationship('ChangesetComment', remote_side=comment_id, backref='resolved_by')
+    author = relationship('User', lazy='joined')
+    repo = relationship('Repository')
+    status_change = relationship('ChangesetStatus', cascade="all, delete, delete-orphan", lazy='joined')
+    pull_request = relationship('PullRequest', lazy='joined')
+    pull_request_version = relationship('PullRequestVersion')
+
+    @classmethod
+    def get_users(cls, revision=None, pull_request_id=None):
+        """
+        Returns user associated with this ChangesetComment. ie those
+        who actually commented
+
+        :param cls:
+        :param revision:
+        """
+        q = Session().query(User)\
+                .join(ChangesetComment.author)
+        if revision:
+            q = q.filter(cls.revision == revision)
+        elif pull_request_id:
+            q = q.filter(cls.pull_request_id == pull_request_id)
+        return q.all()
+
+    @classmethod
+    def get_index_from_version(cls, pr_version, versions):
+        num_versions = [x.pull_request_version_id for x in versions]
+        try:
+            return num_versions.index(pr_version) +1
+        except (IndexError, ValueError):
+            return
+
+    @property
+    def outdated(self):
+        return self.display_state == self.COMMENT_OUTDATED
+
+    def outdated_at_version(self, version):
+        """
+        Checks if comment is outdated for given pull request version
+        """
+        return self.outdated and self.pull_request_version_id != version
+
+    def older_than_version(self, version):
+        """
+        Checks if comment is made from previous version than given
+        """
+        if version is None:
+            return self.pull_request_version_id is not None
+
+        return self.pull_request_version_id < version
+
+    @property
+    def resolved(self):
+        return self.resolved_by[0] if self.resolved_by else None
+
+    @property
+    def is_todo(self):
+        return self.comment_type == self.COMMENT_TYPE_TODO
+
+    @property
+    def is_inline(self):
+        return self.line_no and self.f_path
+
+    def get_index_version(self, versions):
+        return self.get_index_from_version(
+            self.pull_request_version_id, versions)
+
+    def __repr__(self):
+        if self.comment_id:
+            return '<DB:Comment #%s>' % self.comment_id
+        else:
+            return '<DB:Comment at %#x>' % id(self)
+
+    def get_api_data(self):
+        comment = self
+        data = {
+            'comment_id': comment.comment_id,
+            'comment_type': comment.comment_type,
+            'comment_text': comment.text,
+            'comment_status': comment.status_change,
+            'comment_f_path': comment.f_path,
+            'comment_lineno': comment.line_no,
+            'comment_author': comment.author,
+            'comment_created_on': comment.created_on
+        }
+        return data
+
+    def __json__(self):
+        data = dict()
+        data.update(self.get_api_data())
+        return data
+
+
+class ChangesetStatus(Base, BaseModel):
+    __tablename__ = 'changeset_statuses'
+    __table_args__ = (
+        Index('cs_revision_idx', 'revision'),
+        Index('cs_version_idx', 'version'),
+        UniqueConstraint('repo_id', 'revision', 'version'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+    STATUS_NOT_REVIEWED = DEFAULT = 'not_reviewed'
+    STATUS_APPROVED = 'approved'
+    STATUS_REJECTED = 'rejected'
+    STATUS_UNDER_REVIEW = 'under_review'
+
+    STATUSES = [
+        (STATUS_NOT_REVIEWED, _("Not Reviewed")),  # (no icon) and default
+        (STATUS_APPROVED, _("Approved")),
+        (STATUS_REJECTED, _("Rejected")),
+        (STATUS_UNDER_REVIEW, _("Under Review")),
+    ]
+
+    changeset_status_id = Column('changeset_status_id', Integer(), nullable=False, primary_key=True)
+    repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
+    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
+    revision = Column('revision', String(40), nullable=False)
+    status = Column('status', String(128), nullable=False, default=DEFAULT)
+    changeset_comment_id = Column('changeset_comment_id', Integer(), ForeignKey('changeset_comments.comment_id'))
+    modified_at = Column('modified_at', DateTime(), nullable=False, default=datetime.datetime.now)
+    version = Column('version', Integer(), nullable=False, default=0)
+    pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
+
+    author = relationship('User', lazy='joined')
+    repo = relationship('Repository')
+    comment = relationship('ChangesetComment', lazy='joined')
+    pull_request = relationship('PullRequest', lazy='joined')
+
+    def __unicode__(self):
+        return u"<%s('%s[v%s]:%s')>" % (
+            self.__class__.__name__,
+            self.status, self.version, self.author
+        )
+
+    @classmethod
+    def get_status_lbl(cls, value):
+        return dict(cls.STATUSES).get(value)
+
+    @property
+    def status_lbl(self):
+        return ChangesetStatus.get_status_lbl(self.status)
+
+    def get_api_data(self):
+        status = self
+        data = {
+            'status_id': status.changeset_status_id,
+            'status': status.status,
+        }
+        return data
+
+    def __json__(self):
+        data = dict()
+        data.update(self.get_api_data())
+        return data
+
+
+class _PullRequestBase(BaseModel):
+    """
+    Common attributes of pull request and version entries.
+    """
+
+    # .status values
+    STATUS_NEW = u'new'
+    STATUS_OPEN = u'open'
+    STATUS_CLOSED = u'closed'
+
+    title = Column('title', Unicode(255), nullable=True)
+    description = Column(
+        'description', UnicodeText().with_variant(UnicodeText(10240), 'mysql'),
+        nullable=True)
+    # new/open/closed status of pull request (not approve/reject/etc)
+    status = Column('status', Unicode(255), nullable=False, default=STATUS_NEW)
+    created_on = Column(
+        'created_on', DateTime(timezone=False), nullable=False,
+        default=datetime.datetime.now)
+    updated_on = Column(
+        'updated_on', DateTime(timezone=False), nullable=False,
+        default=datetime.datetime.now)
+
+    @declared_attr
+    def user_id(cls):
+        return Column(
+            "user_id", Integer(), ForeignKey('users.user_id'), nullable=False,
+            unique=None)
+
+    # 500 revisions max
+    _revisions = Column(
+        'revisions', UnicodeText().with_variant(UnicodeText(20500), 'mysql'))
+
+    @declared_attr
+    def source_repo_id(cls):
+        # TODO: dan: rename column to source_repo_id
+        return Column(
+            'org_repo_id', Integer(), ForeignKey('repositories.repo_id'),
+            nullable=False)
+
+    source_ref = Column('org_ref', Unicode(255), nullable=False)
+
+    @declared_attr
+    def target_repo_id(cls):
+        # TODO: dan: rename column to target_repo_id
+        return Column(
+            'other_repo_id', Integer(), ForeignKey('repositories.repo_id'),
+            nullable=False)
+
+    target_ref = Column('other_ref', Unicode(255), nullable=False)
+    _shadow_merge_ref = Column('shadow_merge_ref', Unicode(255), nullable=True)
+
+    # TODO: dan: rename column to last_merge_source_rev
+    _last_merge_source_rev = Column(
+        'last_merge_org_rev', String(40), nullable=True)
+    # TODO: dan: rename column to last_merge_target_rev
+    _last_merge_target_rev = Column(
+        'last_merge_other_rev', String(40), nullable=True)
+    _last_merge_status = Column('merge_status', Integer(), nullable=True)
+    merge_rev = Column('merge_rev', String(40), nullable=True)
+
+    reviewer_data = Column(
+        'reviewer_data_json', MutationObj.as_mutable(
+            JsonType(dialect_map=dict(mysql=UnicodeText(16384)))))
+
+    @property
+    def reviewer_data_json(self):
+        return json.dumps(self.reviewer_data)
+
+    @hybrid_property
+    def description_safe(self):
+        from rhodecode.lib import helpers as h
+        return h.escape(self.description)
+
+    @hybrid_property
+    def revisions(self):
+        return self._revisions.split(':') if self._revisions else []
+
+    @revisions.setter
+    def revisions(self, val):
+        self._revisions = ':'.join(val)
+
+    @hybrid_property
+    def last_merge_status(self):
+        return safe_int(self._last_merge_status)
+
+    @last_merge_status.setter
+    def last_merge_status(self, val):
+        self._last_merge_status = val
+
+    @declared_attr
+    def author(cls):
+        return relationship('User', lazy='joined')
+
+    @declared_attr
+    def source_repo(cls):
+        return relationship(
+            'Repository',
+            primaryjoin='%s.source_repo_id==Repository.repo_id' % cls.__name__)
+
+    @property
+    def source_ref_parts(self):
+        return self.unicode_to_reference(self.source_ref)
+
+    @declared_attr
+    def target_repo(cls):
+        return relationship(
+            'Repository',
+            primaryjoin='%s.target_repo_id==Repository.repo_id' % cls.__name__)
+
+    @property
+    def target_ref_parts(self):
+        return self.unicode_to_reference(self.target_ref)
+
+    @property
+    def shadow_merge_ref(self):
+        return self.unicode_to_reference(self._shadow_merge_ref)
+
+    @shadow_merge_ref.setter
+    def shadow_merge_ref(self, ref):
+        self._shadow_merge_ref = self.reference_to_unicode(ref)
+
+    def unicode_to_reference(self, raw):
+        """
+        Convert a unicode (or string) to a reference object.
+        If unicode evaluates to False it returns None.
+        """
+        if raw:
+            refs = raw.split(':')
+            return Reference(*refs)
+        else:
+            return None
+
+    def reference_to_unicode(self, ref):
+        """
+        Convert a reference object to unicode.
+        If reference is None it returns None.
+        """
+        if ref:
+            return u':'.join(ref)
+        else:
+            return None
+
+    def get_api_data(self, with_merge_state=True):
+        from rhodecode.model.pull_request import PullRequestModel
+
+        pull_request = self
+        if with_merge_state:
+            merge_status = PullRequestModel().merge_status(pull_request)
+            merge_state = {
+                'status': merge_status[0],
+                'message': safe_unicode(merge_status[1]),
+            }
+        else:
+            merge_state = {'status': 'not_available',
+                           'message': 'not_available'}
+
+        merge_data = {
+            'clone_url': PullRequestModel().get_shadow_clone_url(pull_request),
+            'reference': (
+                pull_request.shadow_merge_ref._asdict()
+                if pull_request.shadow_merge_ref else None),
+        }
+
+        data = {
+            'pull_request_id': pull_request.pull_request_id,
+            'url': PullRequestModel().get_url(pull_request),
+            'title': pull_request.title,
+            'description': pull_request.description,
+            'status': pull_request.status,
+            'created_on': pull_request.created_on,
+            'updated_on': pull_request.updated_on,
+            'commit_ids': pull_request.revisions,
+            'review_status': pull_request.calculated_review_status(),
+            'mergeable': merge_state,
+            'source': {
+                'clone_url': pull_request.source_repo.clone_url(),
+                'repository': pull_request.source_repo.repo_name,
+                'reference': {
+                    'name': pull_request.source_ref_parts.name,
+                    'type': pull_request.source_ref_parts.type,
+                    'commit_id': pull_request.source_ref_parts.commit_id,
+                },
+            },
+            'target': {
+                'clone_url': pull_request.target_repo.clone_url(),
+                'repository': pull_request.target_repo.repo_name,
+                'reference': {
+                    'name': pull_request.target_ref_parts.name,
+                    'type': pull_request.target_ref_parts.type,
+                    'commit_id': pull_request.target_ref_parts.commit_id,
+                },
+            },
+            'merge': merge_data,
+            'author': pull_request.author.get_api_data(include_secrets=False,
+                                                       details='basic'),
+            'reviewers': [
+                {
+                    'user': reviewer.get_api_data(include_secrets=False,
+                                                  details='basic'),
+                    'reasons': reasons,
+                    'review_status': st[0][1].status if st else 'not_reviewed',
+                }
+                for reviewer, reasons, mandatory, st in
+                pull_request.reviewers_statuses()
+            ]
+        }
+
+        return data
+
+
+class PullRequest(Base, _PullRequestBase):
+    __tablename__ = 'pull_requests'
+    __table_args__ = (
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
+    )
+
+    pull_request_id = Column(
+        'pull_request_id', Integer(), nullable=False, primary_key=True)
+
+    def __repr__(self):
+        if self.pull_request_id:
+            return '<DB:PullRequest #%s>' % self.pull_request_id
+        else:
+            return '<DB:PullRequest at %#x>' % id(self)
+
+    reviewers = relationship('PullRequestReviewers',
+                             cascade="all, delete, delete-orphan")
+    statuses = relationship('ChangesetStatus',
+                            cascade="all, delete, delete-orphan")
+    comments = relationship('ChangesetComment',
+                            cascade="all, delete, delete-orphan")
+    versions = relationship('PullRequestVersion',
+                            cascade="all, delete, delete-orphan",
+                            lazy='dynamic')
+
+    @classmethod
+    def get_pr_display_object(cls, pull_request_obj, org_pull_request_obj,
+                              internal_methods=None):
+
+        class PullRequestDisplay(object):
+            """
+            Special object wrapper for showing PullRequest data via Versions
+            It mimics PR object as close as possible. This is read only object
+            just for display
+            """
+
+            def __init__(self, attrs, internal=None):
+                self.attrs = attrs
+                # internal have priority over the given ones via attrs
+                self.internal = internal or ['versions']
+
+            def __getattr__(self, item):
+                if item in self.internal:
+                    return getattr(self, item)
+                try:
+                    return self.attrs[item]
+                except KeyError:
+                    raise AttributeError(
+                        '%s object has no attribute %s' % (self, item))
+
+            def __repr__(self):
+                return '<DB:PullRequestDisplay #%s>' % self.attrs.get('pull_request_id')
+
+            def versions(self):
+                return pull_request_obj.versions.order_by(
+                    PullRequestVersion.pull_request_version_id).all()
+
+            def is_closed(self):
+                return pull_request_obj.is_closed()
+
+            @property
+            def pull_request_version_id(self):
+                return getattr(pull_request_obj, 'pull_request_version_id', None)
+
+        attrs = StrictAttributeDict(pull_request_obj.get_api_data())
+
+        attrs.author = StrictAttributeDict(
+            pull_request_obj.author.get_api_data())
+        if pull_request_obj.target_repo:
+            attrs.target_repo = StrictAttributeDict(
+                pull_request_obj.target_repo.get_api_data())
+            attrs.target_repo.clone_url = pull_request_obj.target_repo.clone_url
+
+        if pull_request_obj.source_repo:
+            attrs.source_repo = StrictAttributeDict(
+                pull_request_obj.source_repo.get_api_data())
+            attrs.source_repo.clone_url = pull_request_obj.source_repo.clone_url
+
+        attrs.source_ref_parts = pull_request_obj.source_ref_parts
+        attrs.target_ref_parts = pull_request_obj.target_ref_parts
+        attrs.revisions = pull_request_obj.revisions
+
+        attrs.shadow_merge_ref = org_pull_request_obj.shadow_merge_ref
+        attrs.reviewer_data = org_pull_request_obj.reviewer_data
+        attrs.reviewer_data_json = org_pull_request_obj.reviewer_data_json
+
+        return PullRequestDisplay(attrs, internal=internal_methods)
+
+    def is_closed(self):
+        return self.status == self.STATUS_CLOSED
+
+    def __json__(self):
+        return {
+            'revisions': self.revisions,
+        }
+
+    def calculated_review_status(self):
+        from rhodecode.model.changeset_status import ChangesetStatusModel
+        return ChangesetStatusModel().calculated_review_status(self)
+
+    def reviewers_statuses(self):
+        from rhodecode.model.changeset_status import ChangesetStatusModel
+        return ChangesetStatusModel().reviewers_statuses(self)
+
+    @property
+    def workspace_id(self):
+        from rhodecode.model.pull_request import PullRequestModel
+        return PullRequestModel()._workspace_id(self)
+
+    def get_shadow_repo(self):
+        workspace_id = self.workspace_id
+        vcs_obj = self.target_repo.scm_instance()
+        shadow_repository_path = vcs_obj._get_shadow_repository_path(
+            workspace_id)
+        return vcs_obj._get_shadow_instance(shadow_repository_path)
+
+
+class PullRequestVersion(Base, _PullRequestBase):
+    __tablename__ = 'pull_request_versions'
+    __table_args__ = (
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
+    )
+
+    pull_request_version_id = Column(
+        'pull_request_version_id', Integer(), nullable=False, primary_key=True)
+    pull_request_id = Column(
+        'pull_request_id', Integer(),
+        ForeignKey('pull_requests.pull_request_id'), nullable=False)
+    pull_request = relationship('PullRequest')
+
+    def __repr__(self):
+        if self.pull_request_version_id:
+            return '<DB:PullRequestVersion #%s>' % self.pull_request_version_id
+        else:
+            return '<DB:PullRequestVersion at %#x>' % id(self)
+
+    @property
+    def reviewers(self):
+        return self.pull_request.reviewers
+
+    @property
+    def versions(self):
+        return self.pull_request.versions
+
+    def is_closed(self):
+        # calculate from original
+        return self.pull_request.status == self.STATUS_CLOSED
+
+    def calculated_review_status(self):
+        return self.pull_request.calculated_review_status()
+
+    def reviewers_statuses(self):
+        return self.pull_request.reviewers_statuses()
+
+
+class PullRequestReviewers(Base, BaseModel):
+    __tablename__ = 'pull_request_reviewers'
+    __table_args__ = (
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
+    )
+
+    @hybrid_property
+    def reasons(self):
+        if not self._reasons:
+            return []
+        return self._reasons
+
+    @reasons.setter
+    def reasons(self, val):
+        val = val or []
+        if any(not isinstance(x, basestring) for x in val):
+            raise Exception('invalid reasons type, must be list of strings')
+        self._reasons = val
+
+    pull_requests_reviewers_id = Column(
+        'pull_requests_reviewers_id', Integer(), nullable=False,
+        primary_key=True)
+    pull_request_id = Column(
+        "pull_request_id", Integer(),
+        ForeignKey('pull_requests.pull_request_id'), nullable=False)
+    user_id = Column(
+        "user_id", Integer(), ForeignKey('users.user_id'), nullable=True)
+    _reasons = Column(
+        'reason', MutationList.as_mutable(
+            JsonType('list', dialect_map=dict(mysql=UnicodeText(16384)))))
+    mandatory = Column("mandatory", Boolean(), nullable=False, default=False)
+    user = relationship('User')
+    pull_request = relationship('PullRequest')
+
+
+class Notification(Base, BaseModel):
+    __tablename__ = 'notifications'
+    __table_args__ = (
+        Index('notification_type_idx', 'type'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
+    )
+
+    TYPE_CHANGESET_COMMENT = u'cs_comment'
+    TYPE_MESSAGE = u'message'
+    TYPE_MENTION = u'mention'
+    TYPE_REGISTRATION = u'registration'
+    TYPE_PULL_REQUEST = u'pull_request'
+    TYPE_PULL_REQUEST_COMMENT = u'pull_request_comment'
+
+    notification_id = Column('notification_id', Integer(), nullable=False, primary_key=True)
+    subject = Column('subject', Unicode(512), nullable=True)
+    body = Column('body', UnicodeText().with_variant(UnicodeText(50000), 'mysql'), nullable=True)
+    created_by = Column("created_by", Integer(), ForeignKey('users.user_id'), nullable=True)
+    created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
+    type_ = Column('type', Unicode(255))
+
+    created_by_user = relationship('User')
+    notifications_to_users = relationship('UserNotification', lazy='joined',
+                                          cascade="all, delete, delete-orphan")
+
+    @property
+    def recipients(self):
+        return [x.user for x in UserNotification.query()\
+                .filter(UserNotification.notification == self)\
+                .order_by(UserNotification.user_id.asc()).all()]
+
+    @classmethod
+    def create(cls, created_by, subject, body, recipients, type_=None):
+        if type_ is None:
+            type_ = Notification.TYPE_MESSAGE
+
+        notification = cls()
+        notification.created_by_user = created_by
+        notification.subject = subject
+        notification.body = body
+        notification.type_ = type_
+        notification.created_on = datetime.datetime.now()
+
+        for u in recipients:
+            assoc = UserNotification()
+            assoc.notification = notification
+
+            # if created_by is inside recipients mark his notification
+            # as read
+            if u.user_id == created_by.user_id:
+                assoc.read = True
+
+            u.notifications.append(assoc)
+        Session().add(notification)
+
+        return notification
+
+
+class UserNotification(Base, BaseModel):
+    __tablename__ = 'user_to_notification'
+    __table_args__ = (
+        UniqueConstraint('user_id', 'notification_id'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+    user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), primary_key=True)
+    notification_id = Column("notification_id", Integer(), ForeignKey('notifications.notification_id'), primary_key=True)
+    read = Column('read', Boolean, default=False)
+    sent_on = Column('sent_on', DateTime(timezone=False), nullable=True, unique=None)
+
+    user = relationship('User', lazy="joined")
+    notification = relationship('Notification', lazy="joined",
+                                order_by=lambda: Notification.created_on.desc(),)
+
+    def mark_as_read(self):
+        self.read = True
+        Session().add(self)
+
+
+class Gist(Base, BaseModel):
+    __tablename__ = 'gists'
+    __table_args__ = (
+        Index('g_gist_access_id_idx', 'gist_access_id'),
+        Index('g_created_on_idx', 'created_on'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+    GIST_PUBLIC = u'public'
+    GIST_PRIVATE = u'private'
+    DEFAULT_FILENAME = u'gistfile1.txt'
+
+    ACL_LEVEL_PUBLIC = u'acl_public'
+    ACL_LEVEL_PRIVATE = u'acl_private'
+
+    gist_id = Column('gist_id', Integer(), primary_key=True)
+    gist_access_id = Column('gist_access_id', Unicode(250))
+    gist_description = Column('gist_description', UnicodeText().with_variant(UnicodeText(1024), 'mysql'))
+    gist_owner = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=True)
+    gist_expires = Column('gist_expires', Float(53), nullable=False)
+    gist_type = Column('gist_type', Unicode(128), nullable=False)
+    created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
+    modified_at = Column('modified_at', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
+    acl_level = Column('acl_level', Unicode(128), nullable=True)
+
+    owner = relationship('User')
+
+    def __repr__(self):
+        return '<Gist:[%s]%s>' % (self.gist_type, self.gist_access_id)
+
+    @hybrid_property
+    def description_safe(self):
+        from rhodecode.lib import helpers as h
+        return h.escape(self.gist_description)
+
+    @classmethod
+    def get_or_404(cls, id_):
+        from pyramid.httpexceptions import HTTPNotFound
+
+        res = cls.query().filter(cls.gist_access_id == id_).scalar()
+        if not res:
+            raise HTTPNotFound()
+        return res
+
+    @classmethod
+    def get_by_access_id(cls, gist_access_id):
+        return cls.query().filter(cls.gist_access_id == gist_access_id).scalar()
+
+    def gist_url(self):
+        from rhodecode.model.gist import GistModel
+        return GistModel().get_url(self)
+
+    @classmethod
+    def base_path(cls):
+        """
+        Returns base path when all gists are stored
+
+        :param cls:
+        """
+        from rhodecode.model.gist import GIST_STORE_LOC
+        q = Session().query(RhodeCodeUi)\
+            .filter(RhodeCodeUi.ui_key == URL_SEP)
+        q = q.options(FromCache("sql_cache_short", "repository_repo_path"))
+        return os.path.join(q.one().ui_value, GIST_STORE_LOC)
+
+    def get_api_data(self):
+        """
+        Common function for generating gist related data for API
+        """
+        gist = self
+        data = {
+            'gist_id': gist.gist_id,
+            'type': gist.gist_type,
+            'access_id': gist.gist_access_id,
+            'description': gist.gist_description,
+            'url': gist.gist_url(),
+            'expires': gist.gist_expires,
+            'created_on': gist.created_on,
+            'modified_at': gist.modified_at,
+            'content': None,
+            'acl_level': gist.acl_level,
+        }
+        return data
+
+    def __json__(self):
+        data = dict(
+        )
+        data.update(self.get_api_data())
+        return data
+    # SCM functions
+
+    def scm_instance(self, **kwargs):
+        full_repo_path = os.path.join(self.base_path(), self.gist_access_id)
+        return get_vcs_instance(
+            repo_path=safe_str(full_repo_path), create=False)
+
+
+class ExternalIdentity(Base, BaseModel):
+    __tablename__ = 'external_identities'
+    __table_args__ = (
+        Index('local_user_id_idx', 'local_user_id'),
+        Index('external_id_idx', 'external_id'),
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8'})
+
+    external_id = Column('external_id', Unicode(255), default=u'',
+                         primary_key=True)
+    external_username = Column('external_username', Unicode(1024), default=u'')
+    local_user_id = Column('local_user_id', Integer(),
+                           ForeignKey('users.user_id'), primary_key=True)
+    provider_name = Column('provider_name', Unicode(255), default=u'',
+                           primary_key=True)
+    access_token = Column('access_token', String(1024), default=u'')
+    alt_token = Column('alt_token', String(1024), default=u'')
+    token_secret = Column('token_secret', String(1024), default=u'')
+
+    @classmethod
+    def by_external_id_and_provider(cls, external_id, provider_name,
+                                    local_user_id=None):
+        """
+        Returns ExternalIdentity instance based on search params
+
+        :param external_id:
+        :param provider_name:
+        :return: ExternalIdentity
+        """
+        query = cls.query()
+        query = query.filter(cls.external_id == external_id)
+        query = query.filter(cls.provider_name == provider_name)
+        if local_user_id:
+            query = query.filter(cls.local_user_id == local_user_id)
+        return query.first()
+
+    @classmethod
+    def user_by_external_id_and_provider(cls, external_id, provider_name):
+        """
+        Returns User instance based on search params
+
+        :param external_id:
+        :param provider_name:
+        :return: User
+        """
+        query = User.query()
+        query = query.filter(cls.external_id == external_id)
+        query = query.filter(cls.provider_name == provider_name)
+        query = query.filter(User.user_id == cls.local_user_id)
+        return query.first()
+
+    @classmethod
+    def by_local_user_id(cls, local_user_id):
+        """
+        Returns all tokens for user
+
+        :param local_user_id:
+        :return: ExternalIdentity
+        """
+        query = cls.query()
+        query = query.filter(cls.local_user_id == local_user_id)
+        return query
+
+
+class Integration(Base, BaseModel):
+    __tablename__ = 'integrations'
+    __table_args__ = (
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+
+    integration_id = Column('integration_id', Integer(), primary_key=True)
+    integration_type = Column('integration_type', String(255))
+    enabled = Column('enabled', Boolean(), nullable=False)
+    name = Column('name', String(255), nullable=False)
+    child_repos_only = Column('child_repos_only', Boolean(), nullable=False,
+        default=False)
+
+    settings = Column(
+        'settings_json', MutationObj.as_mutable(
+            JsonType(dialect_map=dict(mysql=UnicodeText(16384)))))
+    repo_id = Column(
+        'repo_id', Integer(), ForeignKey('repositories.repo_id'),
+        nullable=True, unique=None, default=None)
+    repo = relationship('Repository', lazy='joined')
+
+    repo_group_id = Column(
+        'repo_group_id', Integer(), ForeignKey('groups.group_id'),
+        nullable=True, unique=None, default=None)
+    repo_group = relationship('RepoGroup', lazy='joined')
+
+    @property
+    def scope(self):
+        if self.repo:
+            return repr(self.repo)
+        if self.repo_group:
+            if self.child_repos_only:
+                return repr(self.repo_group) + ' (child repos only)'
+            else:
+                return repr(self.repo_group) + ' (recursive)'
+        if self.child_repos_only:
+            return 'root_repos'
+        return 'global'
+
+    def __repr__(self):
+        return '<Integration(%r, %r)>' % (self.integration_type, self.scope)
+
+
+class RepoReviewRuleUser(Base, BaseModel):
+    __tablename__ = 'repo_review_rules_users'
+    __table_args__ = (
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True,}
+    )
+    repo_review_rule_user_id = Column('repo_review_rule_user_id', Integer(), primary_key=True)
+    repo_review_rule_id = Column("repo_review_rule_id", Integer(), ForeignKey('repo_review_rules.repo_review_rule_id'))
+    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False)
+    mandatory = Column("mandatory", Boolean(), nullable=False, default=False)
+    user = relationship('User')
+
+    def rule_data(self):
+        return {
+            'mandatory': self.mandatory
+        }
+
+
+class RepoReviewRuleUserGroup(Base, BaseModel):
+    __tablename__ = 'repo_review_rules_users_groups'
+    __table_args__ = (
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True,}
+    )
+    repo_review_rule_users_group_id = Column('repo_review_rule_users_group_id', Integer(), primary_key=True)
+    repo_review_rule_id = Column("repo_review_rule_id", Integer(), ForeignKey('repo_review_rules.repo_review_rule_id'))
+    users_group_id = Column("users_group_id", Integer(),ForeignKey('users_groups.users_group_id'), nullable=False)
+    mandatory = Column("mandatory", Boolean(), nullable=False, default=False)
+    users_group = relationship('UserGroup')
+
+    def rule_data(self):
+        return {
+            'mandatory': self.mandatory
+        }
+
+
+class RepoReviewRule(Base, BaseModel):
+    __tablename__ = 'repo_review_rules'
+    __table_args__ = (
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True,}
+    )
+
+    repo_review_rule_id = Column(
+        'repo_review_rule_id', Integer(), primary_key=True)
+    repo_id = Column(
+        "repo_id", Integer(), ForeignKey('repositories.repo_id'))
+    repo = relationship('Repository', backref='review_rules')
+
+    _branch_pattern = Column("branch_pattern", UnicodeText().with_variant(UnicodeText(255), 'mysql'), default=u'*')  # glob
+    _file_pattern = Column("file_pattern", UnicodeText().with_variant(UnicodeText(255), 'mysql'), default=u'*')  # glob
+
+    use_authors_for_review = Column("use_authors_for_review", Boolean(), nullable=False, default=False)
+    forbid_author_to_review = Column("forbid_author_to_review", Boolean(), nullable=False, default=False)
+    forbid_commit_author_to_review = Column("forbid_commit_author_to_review", Boolean(), nullable=False, default=False)
+    forbid_adding_reviewers = Column("forbid_adding_reviewers", Boolean(), nullable=False, default=False)
+
+    rule_users = relationship('RepoReviewRuleUser')
+    rule_user_groups = relationship('RepoReviewRuleUserGroup')
+
+    @hybrid_property
+    def branch_pattern(self):
+        return self._branch_pattern or '*'
+
+    def _validate_glob(self, value):
+        re.compile('^' + glob2re(value) + '$')
+
+    @branch_pattern.setter
+    def branch_pattern(self, value):
+        self._validate_glob(value)
+        self._branch_pattern = value or '*'
+
+    @hybrid_property
+    def file_pattern(self):
+        return self._file_pattern or '*'
+
+    @file_pattern.setter
+    def file_pattern(self, value):
+        self._validate_glob(value)
+        self._file_pattern = value or '*'
+
+    def matches(self, branch, files_changed):
+        """
+        Check if this review rule matches a branch/files in a pull request
+
+        :param branch: branch name for the commit
+        :param files_changed: list of file paths changed in the pull request
+        """
+
+        branch = branch or ''
+        files_changed = files_changed or []
+
+        branch_matches = True
+        if branch:
+            branch_regex = re.compile('^' + glob2re(self.branch_pattern) + '$')
+            branch_matches = bool(branch_regex.search(branch))
+
+        files_matches = True
+        if self.file_pattern != '*':
+            files_matches = False
+            file_regex = re.compile(glob2re(self.file_pattern))
+            for filename in files_changed:
+                if file_regex.search(filename):
+                    files_matches = True
+                    break
+
+        return branch_matches and files_matches
+
+    @property
+    def review_users(self):
+        """ Returns the users which this rule applies to """
+
+        users = collections.OrderedDict()
+
+        for rule_user in self.rule_users:
+            if rule_user.user.active:
+                if rule_user.user not in users:
+                    users[rule_user.user.username] = {
+                        'user': rule_user.user,
+                        'source': 'user',
+                        'source_data': {},
+                        'data': rule_user.rule_data()
+                    }
+
+        for rule_user_group in self.rule_user_groups:
+            source_data = {
+                'name': rule_user_group.users_group.users_group_name,
+                'members': len(rule_user_group.users_group.members)
+            }
+            for member in rule_user_group.users_group.members:
+                if member.user.active:
+                    users[member.user.username] = {
+                        'user': member.user,
+                        'source': 'user_group',
+                        'source_data': source_data,
+                        'data': rule_user_group.rule_data()
+                    }
+
+        return users
+
+    def __repr__(self):
+        return '<RepoReviewerRule(id=%r, repo=%r)>' % (
+            self.repo_review_rule_id, self.repo)
+
+
+class DbMigrateVersion(Base, BaseModel):
+    __tablename__ = 'db_migrate_version'
+    __table_args__ = (
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
+    )
+    repository_id = Column('repository_id', String(250), primary_key=True)
+    repository_path = Column('repository_path', Text)
+    version = Column('version', Integer)
+
+
+class DbSession(Base, BaseModel):
+    __tablename__ = 'db_session'
+    __table_args__ = (
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
+    )
+
+    def __repr__(self):
+        return '<DB:DbSession({})>'.format(self.id)
+
+    id = Column('id', Integer())
+    namespace = Column('namespace', String(255), primary_key=True)
+    accessed = Column('accessed', DateTime, nullable=False)
+    created = Column('created', DateTime, nullable=False)
+    data = Column('data', PickleType, nullable=False)

rhodecode/lib/dbmigrate/versions/080_version_4_9_0.py

@@ -0,0 +1,29 b''
+import logging
+
+from sqlalchemy import *
+from rhodecode.model import meta
+from rhodecode.lib.dbmigrate.versions import _reset_base, notify
+
+log = logging.getLogger(__name__)
+
+
+def upgrade(migrate_engine):
+    """
+    Upgrade operations go here.
+    Don't create your own engine; bind migrate_engine to your metadata
+    """
+    _reset_base(migrate_engine)
+    from rhodecode.lib.dbmigrate.schema import db_4_9_0_0 as db
+
+    db.UserSshKeys.__table__.create()
+
+    fixups(db, meta.Session)
+
+
+def downgrade(migrate_engine):
+    meta = MetaData()
+    meta.bind = migrate_engine
+
+
+def fixups(models, _SESSION):
+    pass

rhodecode/model/ssh_key.py

@@ -0,0 +1,123 b''
+# -*- coding: utf-8 -*-
+
+# Copyright (C) 2013-2017 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/
+
+import logging
+import traceback
+
+import sshpubkeys
+import sshpubkeys.exceptions
+
+from rhodecode.model import BaseModel
+from rhodecode.model.db import UserSshKeys
+from rhodecode.model.meta import Session
+
+log = logging.getLogger(__name__)
+
+
+class SshKeyModel(BaseModel):
+    cls = UserSshKeys
+
+    def parse_key(self, key_data):
+        """
+        print(ssh.bits)  # 768
+        print(ssh.hash_md5())  # 56:84:1e:90:08:3b:60:c7:29:70:5f:5e:25:a6:3b:86
+        print(ssh.hash_sha256())  # SHA256:xk3IEJIdIoR9MmSRXTP98rjDdZocmXJje/28ohMQEwM
+        print(ssh.hash_sha512())  # SHA512:1C3lNBhjpDVQe39hnyy+xvlZYU3IPwzqK1rVneGavy6O3/ebjEQSFvmeWoyMTplIanmUK1hmr9nA8Skmj516HA
+        print(ssh.comment)  # ojar@ojar-laptop
+        print(ssh.options_raw)  # None (string of optional options at the beginning of public key)
+        print(ssh.options)  # None (options as a dictionary, parsed and validated)
+
+        :param key_data:
+        :return:
+        """
+        ssh = sshpubkeys.SSHKey(strict_mode=True)
+        try:
+            ssh.parse(key_data)
+            return ssh
+        except sshpubkeys.exceptions.InvalidKeyException as err:
+            log.error("Invalid key: %s", err)
+            raise
+        except NotImplementedError as err:
+            log.error("Invalid key type: %s", err)
+            raise
+        except Exception as err:
+            log.error("Key Parse error: %s", err)
+            raise
+
+    def generate_keypair(self, comment=None):
+        from Crypto.PublicKey import RSA
+
+        key = RSA.generate(2048)
+        private = key.exportKey('PEM')
+
+        pubkey = key.publickey()
+        public = pubkey.exportKey('OpenSSH')
+        if comment:
+            public = public + " " + comment
+        return private, public
+
+    def create(self, user, fingerprint, key_data, description):
+        """
+        """
+        user = self._get_user(user)
+
+        new_ssh_key = UserSshKeys()
+        new_ssh_key.ssh_key_fingerprint = fingerprint
+        new_ssh_key.ssh_key_data = key_data
+        new_ssh_key.user_id = user.user_id
+        new_ssh_key.description = description
+
+        Session().add(new_ssh_key)
+
+        return new_ssh_key
+
+    def delete(self, ssh_key_id, user=None):
+        """
+        Deletes given api_key, if user is set it also filters the object for
+        deletion by given user.
+        """
+        ssh_key = UserSshKeys.query().filter(
+            UserSshKeys.ssh_key_id == ssh_key_id)
+
+        if user:
+            user = self._get_user(user)
+            ssh_key = ssh_key.filter(UserSshKeys.user_id == user.user_id)
+            ssh_key = ssh_key.scalar()
+
+        if ssh_key:
+            try:
+                Session().delete(ssh_key)
+            except Exception:
+                log.error(traceback.format_exc())
+                raise
+
+    def get_ssh_keys(self, user):
+        user = self._get_user(user)
+        user_ssh_keys = UserSshKeys.query()\
+            .filter(UserSshKeys.user_id == user.user_id)
+        user_ssh_keys = user_ssh_keys.order_by(UserSshKeys.ssh_key_id)
+        return user_ssh_keys
+
+    def get_ssh_key_by_fingerprint(self, ssh_key_fingerprint):
+        user_ssh_key = UserSshKeys.query()\
+            .filter(UserSshKeys.ssh_key_fingerprint == ssh_key_fingerprint)\
+            .first()
+
+        return user_ssh_key

rhodecode/templates/admin/users/user_edit_ssh_keys.mako

@@ -0,0 +1,78 b''
+<div class="panel panel-default">
+    <div class="panel-heading">
+      <h3 class="panel-title">${_('SSH Keys')}</h3>
+    </div>
+    <div class="panel-body">
+        <div class="sshkeys_wrap">
+          <table class="rctable ssh_keys">
+            <tr>
+                <th>${_('Fingerprint')}</th>
+                <th>${_('Description')}</th>
+                <th>${_('Created')}</th>
+                <th>${_('Action')}</th>
+            </tr>
+            %if c.user_ssh_keys:
+                %for ssh_key in c.user_ssh_keys:
+                  <tr class="">
+                    <td class="">
+                        <code>${ssh_key.ssh_key_fingerprint}</code>
+                    </td>
+                    <td class="td-wrap">${ssh_key.description}</td>
+                    <td class="td-tags">${h.format_date(ssh_key.created_on)}</td>
+
+                    <td class="td-action">
+                        ${h.secure_form(h.route_path('edit_user_ssh_keys_delete', user_id=c.user.user_id), method='POST', request=request)}
+                            ${h.hidden('del_ssh_key', ssh_key.ssh_key_id)}
+                            <button class="btn btn-link btn-danger" type="submit"
+                                    onclick="return confirm('${_('Confirm to remove ssh key %s') % ssh_key.ssh_key_fingerprint}');">
+                                ${_('Delete')}
+                            </button>
+                        ${h.end_form()}
+                    </td>
+                  </tr>
+                %endfor
+            %else:
+            <tr><td><div class="ip">${_('No additional ssh keys specified')}</div></td></tr>
+            %endif
+          </table>
+        </div>
+
+        <div class="user_ssh_keys">
+            ${h.secure_form(h.route_path('edit_user_ssh_keys_add', user_id=c.user.user_id), method='POST', request=request)}
+            <div class="form form-vertical">
+                <!-- fields -->
+                <div class="fields">
+                    <div class="field">
+                        <div class="label">
+                            <label for="new_email">${_('New ssh key')}:</label>
+                        </div>
+                        <div class="input">
+                            ${h.text('description', class_='medium', placeholder=_('Description'))}
+                            <a href="${h.route_path('edit_user_ssh_keys_generate_keypair', user_id=c.user.user_id)}">${_('Generate random RSA key')}</a>
+                        </div>
+                     </div>
+
+                    <div class="field">
+                        <div class="textarea text-area editor">
+                            ${h.textarea('key_data',c.default_key, size=30, placeholder=_("Public key, begins with 'ssh-rsa', 'ssh-dss', 'ssh-ed25519', 'ecdsa-sha2-nistp256', 'ecdsa-sha2-nistp384', or 'ecdsa-sha2-nistp521'"))}
+                        </div>
+                    </div>
+
+                    <div class="buttons">
+                      ${h.submit('save',_('Add'),class_="btn")}
+                      ${h.reset('reset',_('Reset'),class_="btn")}
+                    </div>
+                </div>
+            </div>
+            ${h.end_form()}
+        </div>
+    </div>
+</div>
+
+<script>
+
+$(document).ready(function(){
+
+
+});
+</script>

rhodecode/templates/admin/users/user_edit_ssh_keys_generate.mako

@@ -0,0 +1,45 b''
+<div class="panel panel-default">
+    <div class="panel-heading">
+      <h3 class="panel-title">${_('New SSH Key generated')}</h3>
+    </div>
+    <div class="panel-body">
+        <p>
+            ${_('Below is a 2048 bit generated SSH RSA key. You can use it to access RhodeCode via the SSH wrapper.')}
+        </p>
+        <h4>${_('Private key')}</h4>
+        <pre>
+# Save the content as
+~/.ssh/id_rsa_rhodecode_access_priv.key
+# Change permissions
+chmod 0600 ~/.ssh/id_rsa_rhodecode_access_priv.key
+        </pre>
+
+        <div>
+            <textarea style="height: 300px">${c.private}</textarea>
+        </div>
+        <br/>
+
+
+        <h4>${_('Public key')}</h4>
+        <pre>
+# Save the content as
+~/.ssh/id_rsa_rhodecode_access_pub.key
+# Change permissions
+chmod 0600 ~/.ssh/id_rsa_rhodecode_access_pub.key
+        </pre>
+
+        <input type="text" value="${c.public}" class="large text" size="100"/>
+        <p>
+            <a href="${h.route_path('edit_user_ssh_keys', user_id=c.user.user_id, _query=dict(default_key=c.public))}">${_('Add this generated key')}</a>
+        </p>
+
+    </div>
+</div>
+
+<script>
+
+$(document).ready(function(){
+
+
+});
+</script>

pkgs/python-packages.nix

@@ -653,13 +653,13 b''
     };
   };
   ecdsa = super.buildPythonPackage {
-    name = "ecdsa-0.11";
+    name = "ecdsa-0.13";
     buildInputs = with self; [];
     doCheck = false;
     propagatedBuildInputs = with self; [];
     src = fetchurl {
-      url = "https://pypi.python.org/packages/6c/3f/92fe5dcdcaa7bd117be21e5520c9a54375112b66ec000d209e9e9519fad1/ecdsa-0.11.tar.gz";
-      md5 = "8ef586fe4dbb156697d756900cb41d7c";
+      url = "https://pypi.python.org/packages/f9/e5/99ebb176e47f150ac115ffeda5fedb6a3dbb3c00c74a59fd84ddf12f5857/ecdsa-0.13.tar.gz";
+      md5 = "1f60eda9cb5c46722856db41a3ae6670";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
@@ -1172,19 +1172,6 b''
       license = [ pkgs.lib.licenses.bsdOriginal ];
     };
   };
-  paramiko = super.buildPythonPackage {
-    name = "paramiko-1.15.1";
-    buildInputs = with self; [];
-    doCheck = false;
-    propagatedBuildInputs = with self; [pycrypto ecdsa];
-    src = fetchurl {
-      url = "https://pypi.python.org/packages/04/2b/a22d2a560c1951abbbf95a0628e245945565f70dc082d9e784666887222c/paramiko-1.15.1.tar.gz";
-      md5 = "48c274c3f9b1282932567b21f6acf3b5";
-    };
-    meta = {
-      license = [ { fullName = "LGPL"; } { fullName = "GNU Library or Lesser General Public License (LGPL)"; } ];
-    };
-  };
   pathlib2 = super.buildPythonPackage {
     name = "pathlib2-2.3.0";
     buildInputs = with self; [];
@@ -1722,7 +1709,7 b''
     name = "rhodecode-enterprise-ce-4.9.0";
     buildInputs = with self; [pytest py pytest-cov pytest-sugar pytest-runner pytest-catchlog pytest-profiling gprof2dot pytest-timeout mock WebTest cov-core coverage configobj];
     doCheck = true;
-    propagatedBuildInputs = with self; [Babel Beaker FormEncode Mako Markdown MarkupSafe MySQL-python Paste PasteDeploy PasteScript Pygments pygments-markdown-lexer Pylons Routes SQLAlchemy Tempita URLObject WebError WebHelpers WebHelpers2 WebOb WebTest Whoosh alembic amqplib anyjson appenlight-client authomatic cssselect celery channelstream colander decorator deform docutils gevent gunicorn infrae.cache ipython iso8601 kombu lxml msgpack-python nbconvert packaging psycopg2 py-gfm pycrypto pycurl pyparsing pyramid pyramid-debugtoolbar pyramid-mako pyramid-beaker pysqlite python-dateutil python-ldap python-memcached python-pam recaptcha-client repoze.lru requests simplejson subprocess32 waitress zope.cachedescriptors dogpile.cache dogpile.core psutil py-bcrypt];
+    propagatedBuildInputs = with self; [Babel Beaker FormEncode Mako Markdown MarkupSafe MySQL-python Paste PasteDeploy PasteScript Pygments pygments-markdown-lexer Pylons Routes SQLAlchemy Tempita URLObject WebError WebHelpers WebHelpers2 WebOb WebTest Whoosh alembic amqplib anyjson appenlight-client authomatic cssselect celery channelstream colander decorator deform docutils gevent gunicorn infrae.cache ipython iso8601 kombu lxml msgpack-python nbconvert packaging psycopg2 py-gfm pycrypto pycurl pyparsing pyramid pyramid-debugtoolbar pyramid-mako pyramid-beaker pysqlite python-dateutil python-ldap python-memcached python-pam recaptcha-client repoze.lru requests simplejson sshpubkeys subprocess32 waitress zope.cachedescriptors dogpile.cache dogpile.core psutil py-bcrypt];
     src = ./.;
     meta = {
       license = [ { fullName = "Affero GNU General Public License v3 or later (AGPLv3+)"; } { fullName = "AGPLv3, and Commercial License"; } ];
@@ -1832,6 +1819,19 b''
       license = [ pkgs.lib.licenses.mit ];
     };
   };
+  sshpubkeys = super.buildPythonPackage {
+    name = "sshpubkeys-2.2.0";
+    buildInputs = with self; [];
+    doCheck = false;
+    propagatedBuildInputs = with self; [pycrypto ecdsa];
+    src = fetchurl {
+      url = "https://pypi.python.org/packages/27/da/337fabeb3dca6b62039a93ceaa636f25065e0ae92b575b1235342076cf0a/sshpubkeys-2.2.0.tar.gz";
+      md5 = "458e45f6b92b1afa84f0ffe1f1c90935";
+    };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
+  };
   subprocess32 = super.buildPythonPackage {
     name = "subprocess32-3.2.7";
     buildInputs = with self; [];

requirements.txt

@@ -19,7 +19,7 b' deform==2.0.4'
 docutils==0.13.1
 dogpile.cache==0.6.4
 dogpile.core==0.4.1
-ecdsa==0.11
+ecdsa==0.13
 FormEncode==1.2.4
 future==0.14.3
 futures==3.0.2
@@ -39,7 +39,6 b' MySQL-python==1.2.5'
 nose==1.3.6
 objgraph==3.1.0
 packaging==15.2
-paramiko==1.15.1
 Paste==2.0.3
 PasteDeploy==1.5.2
 PasteScript==1.7.5
@@ -74,6 +73,7 b' simplejson==3.11.1'
 six==1.9.0
 Sphinx==1.2.2
 SQLAlchemy==1.1.11
+sshpubkeys==2.2.0
 subprocess32==3.2.7
 supervisor==3.3.2
 Tempita==0.5.2

rhodecode/__init__.py

@@ -51,7 +51,7 b' PYRAMID_SETTINGS = {}'
 EXTENSIONS = {}
 
 __version__ = ('.'.join((str(each) for each in VERSION[:3])))
-__dbversion__ = 79  # defines current db version for migrations
+__dbversion__ = 80  # defines current db version for migrations
 __platform__ = platform.system()
 __license__ = 'AGPLv3, and Commercial License'
 __author__ = 'RhodeCode GmbH'

rhodecode/apps/admin/__init__.py

@@ -126,6 +126,20 b' def admin_routes(config):'
         name='edit_user_auth_tokens_delete',
         pattern='/users/{user_id:\d+}/edit/auth_tokens/delete')
 
+    # user ssh keys
+    config.add_route(
+        name='edit_user_ssh_keys',
+        pattern='/users/{user_id:\d+}/edit/ssh_keys')
+    config.add_route(
+        name='edit_user_ssh_keys_generate_keypair',
+        pattern='/users/{user_id:\d+}/edit/ssh_keys/generate')
+    config.add_route(
+        name='edit_user_ssh_keys_add',
+        pattern='/users/{user_id:\d+}/edit/ssh_keys/new')
+    config.add_route(
+        name='edit_user_ssh_keys_delete',
+        pattern='/users/{user_id:\d+}/edit/ssh_keys/delete')
+
     # user emails
     config.add_route(
         name='edit_user_emails',

rhodecode/apps/admin/views/users.py

@@ -25,6 +25,7 b' import formencode'
 from pyramid.httpexceptions import HTTPFound
 from pyramid.view import view_config
 from sqlalchemy.sql.functions import coalesce
+from sqlalchemy.exc import IntegrityError
 
 from rhodecode.apps._base import BaseAppView, DataGridAppView
 
@@ -35,9 +36,11 b' from rhodecode.lib.auth import ('
 from rhodecode.lib import helpers as h
 from rhodecode.lib.utils2 import safe_int, safe_unicode
 from rhodecode.model.auth_token import AuthTokenModel
+from rhodecode.model.ssh_key import SshKeyModel
 from rhodecode.model.user import UserModel
 from rhodecode.model.user_group import UserGroupModel
-from rhodecode.model.db import User, or_, UserIpMap, UserEmailMap, UserApiKeys
+from rhodecode.model.db import (
+    or_, User, UserIpMap, UserEmailMap, UserApiKeys, UserSshKeys)
 from rhodecode.model.meta import Session
 
 log = logging.getLogger(__name__)
@@ -255,6 +258,123 b' class AdminUsersView(BaseAppView, DataGr'
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
+        route_name='edit_user_ssh_keys', request_method='GET',
+        renderer='rhodecode:templates/admin/users/user_edit.mako')
+    def ssh_keys(self):
+        _ = self.request.translate
+        c = self.load_default_context()
+
+        user_id = self.request.matchdict.get('user_id')
+        c.user = User.get_or_404(user_id)
+        self._redirect_for_default_user(c.user.username)
+
+        c.active = 'ssh_keys'
+        c.default_key = self.request.GET.get('default_key')
+        c.user_ssh_keys = SshKeyModel().get_ssh_keys(c.user.user_id)
+        return self._get_template_context(c)
+
+    @LoginRequired()
+    @HasPermissionAllDecorator('hg.admin')
+    @view_config(
+        route_name='edit_user_ssh_keys_generate_keypair', request_method='GET',
+        renderer='rhodecode:templates/admin/users/user_edit.mako')
+    def ssh_keys_generate_keypair(self):
+        _ = self.request.translate
+        c = self.load_default_context()
+
+        user_id = self.request.matchdict.get('user_id')
+        c.user = User.get_or_404(user_id)
+        self._redirect_for_default_user(c.user.username)
+
+        c.active = 'ssh_keys_generate'
+        comment = 'RhodeCode-SSH {}'.format(c.user.email or '')
+        c.private, c.public = SshKeyModel().generate_keypair(comment=comment)
+
+        return self._get_template_context(c)
+
+    @LoginRequired()
+    @HasPermissionAllDecorator('hg.admin')
+    @CSRFRequired()
+    @view_config(
+        route_name='edit_user_ssh_keys_add', request_method='POST')
+    def ssh_keys_add(self):
+        _ = self.request.translate
+        c = self.load_default_context()
+
+        user_id = self.request.matchdict.get('user_id')
+        c.user = User.get_or_404(user_id)
+
+        self._redirect_for_default_user(c.user.username)
+
+        user_data = c.user.get_api_data()
+        key_data = self.request.POST.get('key_data')
+        description = self.request.POST.get('description')
+
+        try:
+            if not key_data:
+                raise ValueError('Please add a valid public key')
+
+            key = SshKeyModel().parse_key(key_data.strip())
+            fingerprint = key.hash_md5()
+
+            ssh_key = SshKeyModel().create(
+                c.user.user_id, fingerprint, key_data, description)
+            ssh_key_data = ssh_key.get_api_data()
+
+            audit_logger.store_web(
+                'user.edit.ssh_key.add', action_data={
+                    'data': {'ssh_key': ssh_key_data, 'user': user_data}},
+                user=self._rhodecode_user, )
+            Session().commit()
+
+            h.flash(_("Ssh Key successfully created"), category='success')
+
+        except IntegrityError:
+            log.exception("Exception during ssh key saving")
+            h.flash(_('An error occurred during ssh key saving: {}').format(
+                'Such key already exists, please use a different one'),
+                    category='error')
+        except Exception as e:
+            log.exception("Exception during ssh key saving")
+            h.flash(_('An error occurred during ssh key saving: {}').format(e),
+                    category='error')
+
+        return HTTPFound(
+            h.route_path('edit_user_ssh_keys', user_id=user_id))
+
+    @LoginRequired()
+    @HasPermissionAllDecorator('hg.admin')
+    @CSRFRequired()
+    @view_config(
+        route_name='edit_user_ssh_keys_delete', request_method='POST')
+    def ssh_keys_delete(self):
+        _ = self.request.translate
+        c = self.load_default_context()
+
+        user_id = self.request.matchdict.get('user_id')
+        c.user = User.get_or_404(user_id)
+        self._redirect_for_default_user(c.user.username)
+        user_data = c.user.get_api_data()
+
+        del_ssh_key = self.request.POST.get('del_ssh_key')
+
+        if del_ssh_key:
+            ssh_key = UserSshKeys.get_or_404(del_ssh_key)
+            ssh_key_data = ssh_key.get_api_data()
+
+            SshKeyModel().delete(del_ssh_key, c.user.user_id)
+            audit_logger.store_web(
+                'user.edit.ssh_key.delete', action_data={
+                    'data': {'ssh_key': ssh_key_data, 'user': user_data}},
+                user=self._rhodecode_user,)
+            Session().commit()
+            h.flash(_("Ssh key successfully deleted"), category='success')
+
+        return HTTPFound(h.route_path('edit_user_ssh_keys', user_id=user_id))
+
+    @LoginRequired()
+    @HasPermissionAllDecorator('hg.admin')
+    @view_config(
         route_name='edit_user_emails', request_method='GET',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def emails(self):

rhodecode/lib/audit_logger.py

@@ -46,6 +46,8 b' ACTIONS_V1 = {'
     'user.edit.token.delete': {'token': {}, 'user': {}},
     'user.edit.email.add': {'email': ''},
     'user.edit.email.delete': {'email': ''},
+    'user.edit.ssh_key.add': {'token': {}, 'user': {}},
+    'user.edit.ssh_key.delete': {'token': {}, 'user': {}},
     'user.edit.password_reset.enabled': {},
     'user.edit.password_reset.disabled': {},
 

rhodecode/model/db.py

@@ -545,6 +545,8 b' class User(Base, BaseModel):'
     user_emails = relationship('UserEmailMap', cascade='all')
     user_ip_map = relationship('UserIpMap', cascade='all')
     user_auth_tokens = relationship('UserApiKeys', cascade='all')
+    user_ssh_keys = relationship('UserSshKeys', cascade='all')
+
     # gists
     user_gists = relationship('Gist', cascade='all')
     # user pull requests
@@ -1143,6 +1145,43 b' class UserIpMap(Base, BaseModel):'
                                             self.user_id, self.ip_addr)
 
 
+class UserSshKeys(Base, BaseModel):
+    __tablename__ = 'user_ssh_keys'
+    __table_args__ = (
+        Index('usk_ssh_key_fingerprint_idx', 'ssh_key_fingerprint'),
+
+        UniqueConstraint('ssh_key_fingerprint'),
+
+        {'extend_existing': True, 'mysql_engine': 'InnoDB',
+         'mysql_charset': 'utf8', 'sqlite_autoincrement': True}
+    )
+    __mapper_args__ = {}
+
+    ssh_key_id = Column('ssh_key_id', Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    ssh_key_data = Column('ssh_key_data', String(10240), nullable=False, unique=None, default=None)
+    ssh_key_fingerprint = Column('ssh_key_fingerprint', String(1024), nullable=False, unique=None, default=None)
+
+    description = Column('description', UnicodeText().with_variant(UnicodeText(1024), 'mysql'))
+
+    created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
+    accessed_on = Column('accessed_on', DateTime(timezone=False), nullable=True, default=None)
+    user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
+
+    user = relationship('User', lazy='joined')
+
+    def __json__(self):
+        data = {
+            'ssh_fingerprint': self.ssh_key_fingerprint,
+            'description': self.description,
+            'created_on': self.created_on
+        }
+        return data
+
+    def get_api_data(self):
+        data = self.__json__()
+        return data
+
+
 class UserLog(Base, BaseModel):
     __tablename__ = 'user_logs'
     __table_args__ = (

rhodecode/public/js/rhodecode/routes.js

@@ -62,6 +62,10 b' function registerRCRoutes() {'
     pyroutes.register('edit_user_auth_tokens', '/_admin/users/%(user_id)s/edit/auth_tokens', ['user_id']);
     pyroutes.register('edit_user_auth_tokens_add', '/_admin/users/%(user_id)s/edit/auth_tokens/new', ['user_id']);
     pyroutes.register('edit_user_auth_tokens_delete', '/_admin/users/%(user_id)s/edit/auth_tokens/delete', ['user_id']);
+    pyroutes.register('edit_user_ssh_keys', '/_admin/users/%(user_id)s/edit/ssh_keys', ['user_id']);
+    pyroutes.register('edit_user_ssh_keys_generate_keypair', '/_admin/users/%(user_id)s/edit/ssh_keys/generate', ['user_id']);
+    pyroutes.register('edit_user_ssh_keys_add', '/_admin/users/%(user_id)s/edit/ssh_keys/new', ['user_id']);
+    pyroutes.register('edit_user_ssh_keys_delete', '/_admin/users/%(user_id)s/edit/ssh_keys/delete', ['user_id']);
     pyroutes.register('edit_user_emails', '/_admin/users/%(user_id)s/edit/emails', ['user_id']);
     pyroutes.register('edit_user_emails_add', '/_admin/users/%(user_id)s/edit/emails/new', ['user_id']);
     pyroutes.register('edit_user_emails_delete', '/_admin/users/%(user_id)s/edit/emails/delete', ['user_id']);

rhodecode/templates/admin/users/user_edit.mako

@@ -37,6 +37,7 b''
         <ul class="nav nav-pills nav-stacked">
           <li class="${'active' if c.active=='profile' else ''}"><a href="${h.url('edit_user', user_id=c.user.user_id)}">${_('User Profile')}</a></li>
           <li class="${'active' if c.active=='auth_tokens' else ''}"><a href="${h.route_path('edit_user_auth_tokens', user_id=c.user.user_id)}">${_('Auth tokens')}</a></li>
+          <li class="${'active' if c.active in ['ssh_keys','ssh_keys_generate'] else ''}"><a href="${h.route_path('edit_user_ssh_keys', user_id=c.user.user_id)}">${_('SSH Keys')}</a></li>
           <li class="${'active' if c.active=='advanced' else ''}"><a href="${h.url('edit_user_advanced', user_id=c.user.user_id)}">${_('Advanced')}</a></li>
           <li class="${'active' if c.active=='global_perms' else ''}"><a href="${h.url('edit_user_global_perms', user_id=c.user.user_id)}">${_('Global permissions')}</a></li>
           <li class="${'active' if c.active=='perms_summary' else ''}"><a href="${h.url('edit_user_perms_summary', user_id=c.user.user_id)}">${_('Permissions summary')}</a></li>

setup.py

@@ -134,6 +134,7 b' install_requirements = ['
     'repoze.lru',
     'requests',
     'simplejson',
+    'sshpubkeys',
     'subprocess32',
     'waitress',
     'zope.cachedescriptors',