Changeset - 7977ca209b1d
[Not reviewed]
default
0 2 0
Mads Kiilerich - 7 years ago 2019-04-08 00:11:20
mads@kiilerich.com
auth: make User.get_by_api_key more strict about only returning active non-default users

Thus drop some extra checks against default user.
2 files changed with 7 insertions and 5 deletions:
0 comments (0 inline, 0 general)
kallithea/lib/base.py
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# -*- coding: utf-8 -*-
 
# This program is free software: you can redistribute it and/or modify
 
# it under the terms of the GNU General Public License as published by
 
# the Free Software Foundation, either version 3 of the License, or
 
# (at your option) any later version.
 
#
 
# 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 General Public License
 
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 

	
 
"""
 
kallithea.lib.base
 
~~~~~~~~~~~~~~~~~~
 

	
 
The base Controller API
 
Provides the BaseController class for subclassing. And usage in different
 
controllers
 

	
 
This file was forked by the Kallithea project in July 2014.
 
Original author and date, and relevant copyright and licensing information is below:
 
:created_on: Oct 06, 2010
 
:author: marcink
 
:copyright: (c) 2013 RhodeCode GmbH, and others.
 
:license: GPLv3, see LICENSE.md for more details.
 
"""
 

	
 
import datetime
 
import decorator
 
import logging
 
import time
 
import traceback
 
import warnings
 

	
 
import webob.exc
 
import paste.httpexceptions
 
import paste.auth.basic
 
import paste.httpheaders
 
from webhelpers.pylonslib import secure_form
 

	
 
from tg import config, tmpl_context as c, request, response, session, render_template
 
from tg import TGController
 
from tg.i18n import ugettext as _
 

	
 
from kallithea import __version__, BACKENDS
 

	
 
from kallithea.config.routing import url
 
from kallithea.lib.utils2 import str2bool, safe_unicode, AttributeDict, \
 
    safe_str, safe_int
 
from kallithea.lib import auth_modules
 
from kallithea.lib.auth import AuthUser, HasPermissionAnyMiddleware
 
from kallithea.lib.compat import json
 
from kallithea.lib.utils import get_repo_slug
 
from kallithea.lib.exceptions import UserCreationError
 
from kallithea.lib.vcs.exceptions import RepositoryError, EmptyRepositoryError, ChangesetDoesNotExistError
 
from kallithea.model import meta
 

	
 
from kallithea.model.db import PullRequest, Repository, Ui, User, Setting
 
from kallithea.model.scm import ScmModel
 

	
 
log = logging.getLogger(__name__)
 

	
 

	
 
def render(template_path):
 
    return render_template({'url': url}, 'mako', template_path)
 

	
 

	
 
def _filter_proxy(ip):
 
    """
 
    HEADERS can have multiple ips inside the left-most being the original
 
    client, and each successive proxy that passed the request adding the IP
 
    address where it received the request from.
 

	
 
    :param ip:
 
    """
 
    if ',' in ip:
 
        _ips = ip.split(',')
 
        _first_ip = _ips[0].strip()
 
        log.debug('Got multiple IPs %s, using %s', ','.join(_ips), _first_ip)
 
        return _first_ip
 
    return ip
 

	
 

	
 
def _get_ip_addr(environ):
 
    proxy_key = 'HTTP_X_REAL_IP'
 
    proxy_key2 = 'HTTP_X_FORWARDED_FOR'
 
    def_key = 'REMOTE_ADDR'
 

	
 
    ip = environ.get(proxy_key)
 
    if ip:
 
        return _filter_proxy(ip)
 

	
 
    ip = environ.get(proxy_key2)
 
    if ip:
 
        return _filter_proxy(ip)
 

	
 
    ip = environ.get(def_key, '0.0.0.0')
 
    return _filter_proxy(ip)
 

	
 

	
 
def _get_access_path(environ):
 
    path = environ.get('PATH_INFO')
 
    org_req = environ.get('tg.original_request')
 
    if org_req:
 
        path = org_req.environ.get('PATH_INFO')
 
    return path
 

	
 

	
 
def log_in_user(user, remember, is_external_auth, ip_addr):
 
    """
 
    Log a `User` in and update session and cookies. If `remember` is True,
 
    the session cookie is set to expire in a year; otherwise, it expires at
 
    the end of the browser session.
 

	
 
    Returns populated `AuthUser` object.
 
    """
 
    # It should not be possible to explicitly log in as the default user.
 
    assert not user.is_default_user, user
 

	
 
    auth_user = AuthUser.make(dbuser=user, is_external_auth=is_external_auth, ip_addr=ip_addr)
 
    if auth_user is None:
 
        return None
 

	
 
    user.update_lastlogin()
 
    meta.Session().commit()
 

	
 
    # Start new session to prevent session fixation attacks.
 
    session.invalidate()
 
    session['authuser'] = cookie = auth_user.to_cookie()
 

	
 
    # If they want to be remembered, update the cookie.
 
    # NOTE: Assumes that beaker defaults to browser session cookie.
 
    if remember:
 
        t = datetime.datetime.now() + datetime.timedelta(days=365)
 
        session._set_cookie_expires(t)
 

	
 
    session.save()
 

	
 
    log.info('user %s is now authenticated and stored in '
 
             'session, session attrs %s', user.username, cookie)
 

	
 
    # dumps session attrs back to cookie
 
    session._update_cookie_out()
 

	
 
    return auth_user
 

	
 

	
 
class BasicAuth(paste.auth.basic.AuthBasicAuthenticator):
 

	
 
    def __init__(self, realm, authfunc, auth_http_code=None):
 
        self.realm = realm
 
        self.authfunc = authfunc
 
        self._rc_auth_http_code = auth_http_code
 

	
 
    def build_authentication(self, environ):
 
        head = paste.httpheaders.WWW_AUTHENTICATE.tuples('Basic realm="%s"' % self.realm)
 
        # Consume the whole body before sending a response
 
        try:
 
            request_body_size = int(environ.get('CONTENT_LENGTH', 0))
 
        except (ValueError):
 
            request_body_size = 0
 
        environ['wsgi.input'].read(request_body_size)
 
        if self._rc_auth_http_code and self._rc_auth_http_code == '403':
 
            # return 403 if alternative http return code is specified in
 
            # Kallithea config
 
            return paste.httpexceptions.HTTPForbidden(headers=head)
 
        return paste.httpexceptions.HTTPUnauthorized(headers=head)
 

	
 
    def authenticate(self, environ):
 
        authorization = paste.httpheaders.AUTHORIZATION(environ)
 
        if not authorization:
 
            return self.build_authentication(environ)
 
        (authmeth, auth) = authorization.split(' ', 1)
 
        if 'basic' != authmeth.lower():
 
            return self.build_authentication(environ)
 
        auth = auth.strip().decode('base64')
 
        _parts = auth.split(':', 1)
 
        if len(_parts) == 2:
 
            username, password = _parts
 
            if self.authfunc(username, password, environ) is not None:
 
                return username
 
        return self.build_authentication(environ)
 

	
 
    __call__ = authenticate
 

	
 

	
 
class BaseVCSController(object):
 
    """Base controller for handling Mercurial/Git protocol requests
 
    (coming from a VCS client, and not a browser).
 
    """
 

	
 
    def __init__(self, application, config):
 
        self.application = application
 
        self.config = config
 
        # base path of repo locations
 
        self.basepath = self.config['base_path']
 
        # authenticate this VCS request using the authentication modules
 
        self.authenticate = BasicAuth('', auth_modules.authenticate,
 
                                      config.get('auth_ret_code'))
 

	
 
    def _authorize(self, environ, start_response, action, repo_name, ip_addr):
 
        """Authenticate and authorize user.
 

	
 
        Since we're dealing with a VCS client and not a browser, we only
 
        support HTTP basic authentication, either directly via raw header
 
        inspection, or by using container authentication to delegate the
 
        authentication to the web server.
 

	
 
        Returns (user, None) on successful authentication and authorization.
 
        Returns (None, wsgi_app) to send the wsgi_app response to the client.
 
        """
 
        # Use anonymous access if allowed for action on repo.
 
        default_user = User.get_default_user(cache=True)
 
        default_authuser = AuthUser.make(dbuser=default_user, ip_addr=ip_addr)
 
        if default_authuser is None:
 
            log.debug('No anonymous access at all') # move on to proper user auth
 
        else:
 
            if self._check_permission(action, default_authuser, repo_name):
 
                return default_authuser, None
 
            log.debug('Not authorized to access this repository as anonymous user')
 

	
 
        username = None
 
        #==============================================================
 
        # DEFAULT PERM FAILED OR ANONYMOUS ACCESS IS DISABLED SO WE
 
        # NEED TO AUTHENTICATE AND ASK FOR AUTH USER PERMISSIONS
 
        #==============================================================
 

	
 
        # try to auth based on environ, container auth methods
 
        log.debug('Running PRE-AUTH for container based authentication')
 
        pre_auth = auth_modules.authenticate('', '', environ)
 
        if pre_auth is not None and pre_auth.get('username'):
 
            username = pre_auth['username']
 
        log.debug('PRE-AUTH got %s as username', username)
 

	
 
        # If not authenticated by the container, running basic auth
 
        if not username:
 
            self.authenticate.realm = safe_str(self.config['realm'])
 
            result = self.authenticate(environ)
 
            if isinstance(result, str):
 
                paste.httpheaders.AUTH_TYPE.update(environ, 'basic')
 
                paste.httpheaders.REMOTE_USER.update(environ, result)
 
                username = result
 
            else:
 
                return None, result.wsgi_application
 

	
 
        #==============================================================
 
        # CHECK PERMISSIONS FOR THIS REQUEST USING GIVEN USERNAME
 
        #==============================================================
 
        try:
 
            user = User.get_by_username_or_email(username)
 
        except Exception:
 
            log.error(traceback.format_exc())
 
            return None, webob.exc.HTTPInternalServerError()
 

	
 
        authuser = AuthUser.make(dbuser=user, ip_addr=ip_addr)
 
        if authuser is None:
 
            return None, webob.exc.HTTPForbidden()
 
        if not self._check_permission(action, authuser, repo_name):
 
            return None, webob.exc.HTTPForbidden()
 

	
 
        return user, None
 

	
 
    def _handle_request(self, environ, start_response):
 
        raise NotImplementedError()
 

	
 
    def _get_by_id(self, repo_name):
 
        """
 
        Gets a special pattern _<ID> from clone url and tries to replace it
 
        with a repository_name for support of _<ID> permanent URLs
 

	
 
        :param repo_name:
 
        """
 

	
 
        data = repo_name.split('/')
 
        if len(data) >= 2:
 
            from kallithea.lib.utils import get_repo_by_id
 
            by_id_match = get_repo_by_id(repo_name)
 
            if by_id_match:
 
                data[1] = safe_str(by_id_match)
 

	
 
        return '/'.join(data)
 

	
 
    def _check_permission(self, action, authuser, repo_name):
 
        """
 
        Checks permissions using action (push/pull) user and repository
 
        name
 

	
 
        :param action: 'push' or 'pull' action
 
        :param user: `User` instance
 
        :param repo_name: repository name
 
        """
 
        if action == 'push':
 
            if not HasPermissionAnyMiddleware('repository.write',
 
                                              'repository.admin')(authuser,
 
                                                                  repo_name):
 
                return False
 

	
 
        else:
 
            #any other action need at least read permission
 
            if not HasPermissionAnyMiddleware('repository.read',
 
                                              'repository.write',
 
                                              'repository.admin')(authuser,
 
                                                                  repo_name):
 
                return False
 

	
 
        return True
 

	
 
    def _get_ip_addr(self, environ):
 
        return _get_ip_addr(environ)
 

	
 
    def __call__(self, environ, start_response):
 
        start = time.time()
 
        try:
 
            return self._handle_request(environ, start_response)
 
        finally:
 
            log = logging.getLogger('kallithea.' + self.__class__.__name__)
 
            log.debug('Request time: %.3fs', time.time() - start)
 
            meta.Session.remove()
 

	
 

	
 
class BaseController(TGController):
 

	
 
    def _before(self, *args, **kwargs):
 
        """
 
        _before is called before controller methods and after __call__
 
        """
 
        c.kallithea_version = __version__
 
        rc_config = Setting.get_app_settings()
 

	
 
        # Visual options
 
        c.visual = AttributeDict({})
 

	
 
        ## DB stored
 
        c.visual.show_public_icon = str2bool(rc_config.get('show_public_icon'))
 
        c.visual.show_private_icon = str2bool(rc_config.get('show_private_icon'))
 
        c.visual.stylify_metalabels = str2bool(rc_config.get('stylify_metalabels'))
 
        c.visual.page_size = safe_int(rc_config.get('dashboard_items', 100))
 
        c.visual.admin_grid_items = safe_int(rc_config.get('admin_grid_items', 100))
 
        c.visual.repository_fields = str2bool(rc_config.get('repository_fields'))
 
        c.visual.show_version = str2bool(rc_config.get('show_version'))
 
        c.visual.use_gravatar = str2bool(rc_config.get('use_gravatar'))
 
        c.visual.gravatar_url = rc_config.get('gravatar_url')
 

	
 
        c.ga_code = rc_config.get('ga_code')
 
        # TODO: replace undocumented backwards compatibility hack with db upgrade and rename ga_code
 
        if c.ga_code and '<' not in c.ga_code:
 
            c.ga_code = '''<script type="text/javascript">
 
                var _gaq = _gaq || [];
 
                _gaq.push(['_setAccount', '%s']);
 
                _gaq.push(['_trackPageview']);
 

	
 
                (function() {
 
                    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
 
                    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
 
                    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
 
                    })();
 
            </script>''' % c.ga_code
 
        c.site_name = rc_config.get('title')
 
        c.clone_uri_tmpl = rc_config.get('clone_uri_tmpl')
 

	
 
        ## INI stored
 
        c.visual.allow_repo_location_change = str2bool(config.get('allow_repo_location_change', True))
 
        c.visual.allow_custom_hooks_settings = str2bool(config.get('allow_custom_hooks_settings', True))
 

	
 
        c.instance_id = config.get('instance_id')
 
        c.issues_url = config.get('bugtracker', url('issues_url'))
 
        # END CONFIG VARS
 

	
 
        c.repo_name = get_repo_slug(request)  # can be empty
 
        c.backends = BACKENDS.keys()
 

	
 
        self.cut_off_limit = safe_int(config.get('cut_off_limit'))
 

	
 
        c.my_pr_count = PullRequest.query(reviewer_id=request.authuser.user_id, include_closed=False).count()
 

	
 
        self.scm_model = ScmModel()
 

	
 
    @staticmethod
 
    def _determine_auth_user(api_key, bearer_token, session_authuser, ip_addr):
 
        """
 
        Create an `AuthUser` object given the API key/bearer token
 
        (if any) and the value of the authuser session cookie.
 
        Returns None if no valid user is found (like not active or no access for IP).
 
        """
 

	
 
        # Authenticate by bearer token
 
        if bearer_token is not None:
 
            api_key = bearer_token
 

	
 
        # Authenticate by API key
 
        if api_key is not None:
 
            dbuser = User.get_by_api_key(api_key)
 
            au = AuthUser.make(dbuser=dbuser, authenticating_api_key=api_key, is_external_auth=True, ip_addr=ip_addr)
 
            if au is None or au.is_anonymous:
 
                log.warning('API key ****%s is NOT valid', api_key[-4:])
 
                raise webob.exc.HTTPForbidden(_('Invalid API key'))
 
            return au
 
            if dbuser is None:
 
                log.info('No db user found for authentication with API key ****%s from %s',
 
                         api_key[-4:], ip_addr)
 
                return None
 
            return AuthUser.make(dbuser=dbuser, authenticating_api_key=api_key, is_external_auth=True, ip_addr=ip_addr)
 

	
 
        # Authenticate by session cookie
 
        # In ancient login sessions, 'authuser' may not be a dict.
 
        # In that case, the user will have to log in again.
 
        # v0.3 and earlier included an 'is_authenticated' key; if present,
 
        # this must be True.
 
        if isinstance(session_authuser, dict) and session_authuser.get('is_authenticated', True):
 
            return AuthUser.from_cookie(session_authuser, ip_addr=ip_addr)
 

	
 
        # Authenticate by auth_container plugin (if enabled)
 
        if any(
 
            plugin.is_container_auth
 
            for plugin in auth_modules.get_auth_plugins()
 
        ):
 
            try:
 
                user_info = auth_modules.authenticate('', '', request.environ)
 
            except UserCreationError as e:
 
                from kallithea.lib import helpers as h
 
                h.flash(e, 'error', logf=log.error)
 
            else:
 
                if user_info is not None:
 
                    username = user_info['username']
 
                    user = User.get_by_username(username, case_insensitive=True)
 
                    return log_in_user(user, remember=False, is_external_auth=True, ip_addr=ip_addr)
 

	
 
        # User is default user (if active) or anonymous
 
        default_user = User.get_default_user(cache=True)
 
        authuser = AuthUser.make(dbuser=default_user, ip_addr=ip_addr)
 
        if authuser is None: # fall back to anonymous
 
            authuser = AuthUser(dbuser=default_user) # TODO: somehow use .make?
 
        return authuser
 

	
 
    @staticmethod
 
    def _basic_security_checks():
 
        """Perform basic security/sanity checks before processing the request."""
 

	
 
        # Only allow the following HTTP request methods.
 
        if request.method not in ['GET', 'HEAD', 'POST']:
 
            raise webob.exc.HTTPMethodNotAllowed()
 

	
 
        # Also verify the _method override - no longer allowed.
 
        if request.params.get('_method') is None:
 
            pass # no override, no problem
 
        else:
 
            raise webob.exc.HTTPMethodNotAllowed()
 

	
 
        # Make sure CSRF token never appears in the URL. If so, invalidate it.
 
        if secure_form.token_key in request.GET:
 
            log.error('CSRF key leak detected')
 
            session.pop(secure_form.token_key, None)
 
            session.save()
 
            from kallithea.lib import helpers as h
 
            h.flash(_('CSRF token leak has been detected - all form tokens have been expired'),
 
                    category='error')
 

	
 
        # WebOb already ignores request payload parameters for anything other
 
        # than POST/PUT, but double-check since other Kallithea code relies on
 
        # this assumption.
 
        if request.method not in ['POST', 'PUT'] and request.POST:
 
            log.error('%r request with payload parameters; WebOb should have stopped this', request.method)
 
            raise webob.exc.HTTPBadRequest()
 

	
 
    def __call__(self, environ, context):
 
        try:
 
            ip_addr = _get_ip_addr(environ)
 
            # make sure that we update permissions each time we call controller
 

	
 
            self._basic_security_checks()
 

	
 
            # set globals for auth user
 

	
 
            bearer_token = None
 
            try:
 
                # Request.authorization may raise ValueError on invalid input
 
                type, params = request.authorization
 
            except (ValueError, TypeError):
 
                pass
 
            else:
 
                if type.lower() == 'bearer':
 
                    bearer_token = params
 

	
 
            authuser = self._determine_auth_user(
 
                request.GET.get('api_key'),
 
                bearer_token,
 
                session.get('authuser'),
 
                ip_addr=ip_addr,
 
            )
 
            if authuser is None:
 
                log.info('No valid user found')
 
                raise webob.exc.HTTPForbidden()
 

	
 
            request.authuser = authuser
 
            request.ip_addr = ip_addr
 

	
 
            log.info('IP: %s User: %s accessed %s',
 
                request.ip_addr, request.authuser,
 
                safe_unicode(_get_access_path(environ)),
 
            )
 
            return super(BaseController, self).__call__(environ, context)
 
        except webob.exc.HTTPException as e:
 
            return e
 

	
 

	
 
class BaseRepoController(BaseController):
 
    """
 
    Base class for controllers responsible for loading all needed data for
 
    repository loaded items are
 

	
 
    c.db_repo_scm_instance: instance of scm repository
 
    c.db_repo: instance of db
 
    c.repository_followers: number of followers
 
    c.repository_forks: number of forks
 
    c.repository_following: weather the current user is following the current repo
 
    """
 

	
 
    def _before(self, *args, **kwargs):
 
        super(BaseRepoController, self)._before(*args, **kwargs)
 
        if c.repo_name:  # extracted from routes
 
            _dbr = Repository.get_by_repo_name(c.repo_name)
 
            if not _dbr:
 
                return
 

	
 
            log.debug('Found repository in database %s with state `%s`',
 
                      safe_unicode(_dbr), safe_unicode(_dbr.repo_state))
 
            route = getattr(request.environ.get('routes.route'), 'name', '')
 

	
 
            # allow to delete repos that are somehow damages in filesystem
 
            if route in ['delete_repo']:
 
                return
 

	
 
            if _dbr.repo_state in [Repository.STATE_PENDING]:
 
                if route in ['repo_creating_home']:
 
                    return
 
                check_url = url('repo_creating_home', repo_name=c.repo_name)
 
                raise webob.exc.HTTPFound(location=check_url)
 

	
 
            dbr = c.db_repo = _dbr
 
            c.db_repo_scm_instance = c.db_repo.scm_instance
 
            if c.db_repo_scm_instance is None:
 
                log.error('%s this repository is present in database but it '
 
                          'cannot be created as an scm instance', c.repo_name)
 
                from kallithea.lib import helpers as h
 
                h.flash(_('Repository not found in the filesystem'),
 
                        category='error')
 
                raise webob.exc.HTTPNotFound()
 

	
 
            # some globals counter for menu
 
            c.repository_followers = self.scm_model.get_followers(dbr)
 
            c.repository_forks = self.scm_model.get_forks(dbr)
 
            c.repository_pull_requests = self.scm_model.get_pull_requests(dbr)
 
            c.repository_following = self.scm_model.is_following_repo(
 
                                    c.repo_name, request.authuser.user_id)
 

	
 
    @staticmethod
 
    def _get_ref_rev(repo, ref_type, ref_name, returnempty=False):
 
        """
 
        Safe way to get changeset. If error occurs show error.
 
        """
 
        from kallithea.lib import helpers as h
 
        try:
 
            return repo.scm_instance.get_ref_revision(ref_type, ref_name)
 
        except EmptyRepositoryError as e:
 
            if returnempty:
 
                return repo.scm_instance.EMPTY_CHANGESET
 
            h.flash(_('There are no changesets yet'), category='error')
 
            raise webob.exc.HTTPNotFound()
 
        except ChangesetDoesNotExistError as e:
 
            h.flash(_('Changeset for %s %s not found in %s') %
 
                              (ref_type, ref_name, repo.repo_name),
 
                    category='error')
 
            raise webob.exc.HTTPNotFound()
 
        except RepositoryError as e:
 
            log.error(traceback.format_exc())
 
            h.flash(safe_str(e), category='error')
 
            raise webob.exc.HTTPBadRequest()
 

	
 

	
 
@decorator.decorator
 
def jsonify(func, *args, **kwargs):
 
    """Action decorator that formats output for JSON
 

	
 
    Given a function that will return content, this decorator will turn
 
    the result into JSON, with a content-type of 'application/json' and
 
    output it.
 
    """
 
    response.headers['Content-Type'] = 'application/json; charset=utf-8'
 
    data = func(*args, **kwargs)
 
    if isinstance(data, (list, tuple)):
 
        # A JSON list response is syntactically valid JavaScript and can be
 
        # loaded and executed as JavaScript by a malicious third-party site
 
        # using <script>, which can lead to cross-site data leaks.
 
        # JSON responses should therefore be scalars or objects (i.e. Python
 
        # dicts), because a JSON object is a syntax error if intepreted as JS.
 
        msg = "JSON responses with Array envelopes are susceptible to " \
 
              "cross-site data leak attacks, see " \
 
              "https://web.archive.org/web/20120519231904/http://wiki.pylonshq.com/display/pylonsfaq/Warnings"
 
        warnings.warn(msg, Warning, 2)
 
        log.warning(msg)
 
    log.debug("Returning JSON wrapped action output")
 
    return json.dumps(data, encoding='utf-8')
kallithea/model/db.py
Show inline comments
 
# -*- coding: utf-8 -*-
 
# This program is free software: you can redistribute it and/or modify
 
# it under the terms of the GNU General Public License as published by
 
# the Free Software Foundation, either version 3 of the License, or
 
# (at your option) any later version.
 
#
 
# 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 General Public License
 
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
"""
 
kallithea.model.db
 
~~~~~~~~~~~~~~~~~~
 

	
 
Database Models for Kallithea
 

	
 
This file was forked by the Kallithea project in July 2014.
 
Original author and date, and relevant copyright and licensing information is below:
 
:created_on: Apr 08, 2010
 
:author: marcink
 
:copyright: (c) 2013 RhodeCode GmbH, and others.
 
:license: GPLv3, see LICENSE.md for more details.
 
"""
 

	
 
import os
 
import time
 
import logging
 
import datetime
 
import traceback
 
import hashlib
 
import collections
 
import functools
 

	
 
import sqlalchemy
 
from sqlalchemy import *
 
from sqlalchemy.ext.hybrid import hybrid_property
 
from sqlalchemy.orm import relationship, joinedload, class_mapper, validates
 
from beaker.cache import cache_region, region_invalidate
 
from webob.exc import HTTPNotFound
 

	
 
from tg.i18n import lazy_ugettext as _
 

	
 
from kallithea.lib.exceptions import DefaultUserException
 
from kallithea.lib.vcs import get_backend
 
from kallithea.lib.vcs.utils.helpers import get_scm
 
from kallithea.lib.vcs.utils.lazy import LazyProperty
 
from kallithea.lib.vcs.backends.base import EmptyChangeset
 

	
 
from kallithea.lib.utils2 import str2bool, safe_str, get_changeset_safe, \
 
    safe_unicode, remove_prefix, time_to_datetime, aslist, Optional, safe_int, \
 
    get_clone_url, urlreadable
 
from kallithea.lib.compat import json
 
from kallithea.lib.caching_query import FromCache
 

	
 
from kallithea.model.meta import Base, Session
 

	
 
URL_SEP = '/'
 
log = logging.getLogger(__name__)
 

	
 
#==============================================================================
 
# BASE CLASSES
 
#==============================================================================
 

	
 
_hash_key = lambda k: hashlib.md5(safe_str(k)).hexdigest()
 

	
 

	
 
class BaseDbModel(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 """
 

	
 
        return [
 
            (k, getattr(self, k))
 
            for k in self._get_keys()
 
        ]
 

	
 
    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 guess_instance(cls, value, callback=None):
 
        """Haphazardly attempt to convert `value` to a `cls` instance.
 

	
 
        If `value` is None or already a `cls` instance, return it. If `value`
 
        is a number (or looks like one if you squint just right), assume it's
 
        a database primary key and let SQLAlchemy sort things out. Otherwise,
 
        fall back to resolving it using `callback` (if specified); this could
 
        e.g. be a function that looks up instances by name (though that won't
 
        work if the name begins with a digit). Otherwise, raise Exception.
 
        """
 

	
 
        if value is None:
 
            return None
 
        if isinstance(value, cls):
 
            return value
 
        if isinstance(value, (int, long)) or safe_str(value).isdigit():
 
            return cls.get(value)
 
        if callback is not None:
 
            return callback(value)
 

	
 
        raise Exception(
 
            'given object must be int, long or Instance of %s '
 
            'got %s, no callback provided' % (cls, type(value))
 
        )
 

	
 
    @classmethod
 
    def get_or_404(cls, id_):
 
        try:
 
            id_ = int(id_)
 
        except (TypeError, ValueError):
 
            raise HTTPNotFound
 

	
 
        res = cls.query().get(id_)
 
        if res is None:
 
            raise HTTPNotFound
 
        return res
 

	
 
    @classmethod
 
    def delete(cls, id_):
 
        obj = cls.query().get(id_)
 
        Session().delete(obj)
 

	
 
    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__)
 

	
 

	
 
_table_args_default_dict = {'extend_existing': True,
 
                            'mysql_engine': 'InnoDB',
 
                            'mysql_charset': 'utf8',
 
                            'sqlite_autoincrement': True,
 
                           }
 

	
 
class Setting(Base, BaseDbModel):
 
    __tablename__ = 'settings'
 
    __table_args__ = (
 
        _table_args_default_dict,
 
    )
 

	
 
    SETTINGS_TYPES = {
 
        'str': safe_str,
 
        'int': safe_int,
 
        'unicode': safe_unicode,
 
        'bool': str2bool,
 
        'list': functools.partial(aslist, sep=',')
 
    }
 
    DEFAULT_UPDATE_URL = ''
 

	
 
    app_settings_id = Column(Integer(), primary_key=True)
 
    app_settings_name = Column(String(255), nullable=False, unique=True)
 
    _app_settings_value = Column("app_settings_value", Unicode(4096), nullable=False)
 
    _app_settings_type = Column("app_settings_type", String(255), nullable=True) # FIXME: not nullable?
 

	
 
    def __init__(self, key='', val='', type='unicode'):
 
        self.app_settings_name = key
 
        self.app_settings_value = val
 
        self.app_settings_type = type
 

	
 
    @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
 
        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:
 
        """
 
        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):
 
        if val 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
 
        )
 

	
 
    @classmethod
 
    def get_by_name(cls, key):
 
        return cls.query() \
 
            .filter(cls.app_settings_name == key).scalar()
 

	
 
    @classmethod
 
    def get_by_name_or_create(cls, key, val='', type='unicode'):
 
        res = cls.get_by_name(key)
 
        if res is None:
 
            res = cls(key, val, type)
 
        return res
 

	
 
    @classmethod
 
    def create_or_update(cls, key, val=Optional(''), type=Optional('unicode')):
 
        """
 
        Creates or updates Kallithea setting. If updates are triggered, it will only
 
        update parameters that are explicitly set. Optional instance will be skipped.
 

	
 
        :param key:
 
        :param val:
 
        :param type:
 
        :return:
 
        """
 
        res = cls.get_by_name(key)
 
        if res is None:
 
            val = Optional.extract(val)
 
            type = Optional.extract(type)
 
            res = cls(key, val, type)
 
            Session().add(res)
 
        else:
 
            res.app_settings_name = key
 
            if not isinstance(val, Optional):
 
                # update if set
 
                res.app_settings_value = val
 
            if not isinstance(type, Optional):
 
                # update if set
 
                res.app_settings_type = type
 
        return res
 

	
 
    @classmethod
 
    def get_app_settings(cls, cache=False):
 

	
 
        ret = cls.query()
 

	
 
        if cache:
 
            ret = ret.options(FromCache("sql_cache_short", "get_hg_settings"))
 

	
 
        if ret is None:
 
            raise Exception('Could not get application settings !')
 
        settings = {}
 
        for each in ret:
 
            settings[each.app_settings_name] = \
 
                each.app_settings_value
 

	
 
        return settings
 

	
 
    @classmethod
 
    def get_auth_settings(cls, cache=False):
 
        ret = cls.query() \
 
                .filter(cls.app_settings_name.startswith('auth_')).all()
 
        fd = {}
 
        for row in ret:
 
            fd[row.app_settings_name] = row.app_settings_value
 
        return fd
 

	
 
    @classmethod
 
    def get_default_repo_settings(cls, cache=False, strip_prefix=False):
 
        ret = cls.query() \
 
                .filter(cls.app_settings_name.startswith('default_')).all()
 
        fd = {}
 
        for row in ret:
 
            key = row.app_settings_name
 
            if strip_prefix:
 
                key = remove_prefix(key, prefix='default_')
 
            fd.update({key: row.app_settings_value})
 

	
 
        return fd
 

	
 
    @classmethod
 
    def get_server_info(cls):
 
        import pkg_resources
 
        import platform
 
        import kallithea
 
        from kallithea.lib.utils import check_git_version
 
        mods = [(p.project_name, p.version) for p in pkg_resources.working_set]
 
        info = {
 
            'modules': sorted(mods, key=lambda k: k[0].lower()),
 
            'py_version': platform.python_version(),
 
            'platform': safe_unicode(platform.platform()),
 
            'kallithea_version': kallithea.__version__,
 
            'git_version': safe_unicode(check_git_version()),
 
            'git_path': kallithea.CONFIG.get('git_path')
 
        }
 
        return info
 

	
 

	
 
class Ui(Base, BaseDbModel):
 
    __tablename__ = 'ui'
 
    __table_args__ = (
 
        # FIXME: ui_key as key is wrong and should be removed when the corresponding
 
        # Ui.get_by_key has been replaced by the composite key
 
        UniqueConstraint('ui_key'),
 
        UniqueConstraint('ui_section', 'ui_key'),
 
        _table_args_default_dict,
 
    )
 

	
 
    HOOK_UPDATE = 'changegroup.update'
 
    HOOK_REPO_SIZE = 'changegroup.repo_size'
 

	
 
    ui_id = Column(Integer(), primary_key=True)
 
    ui_section = Column(String(255), nullable=False)
 
    ui_key = Column(String(255), nullable=False)
 
    ui_value = Column(String(255), nullable=True) # FIXME: not nullable?
 
    ui_active = Column(Boolean(), nullable=False, default=True)
 

	
 
    @classmethod
 
    def get_by_key(cls, section, key):
 
        """ Return specified Ui object, or None if not found. """
 
        return cls.query().filter_by(ui_section=section, ui_key=key).scalar()
 

	
 
    @classmethod
 
    def get_or_create(cls, section, key):
 
        """ Return specified Ui object, creating it if necessary. """
 
        setting = cls.get_by_key(section, key)
 
        if setting is None:
 
            setting = cls(ui_section=section, ui_key=key)
 
            Session().add(setting)
 
        return setting
 

	
 
    @classmethod
 
    def get_builtin_hooks(cls):
 
        q = cls.query()
 
        q = q.filter(cls.ui_key.in_([cls.HOOK_UPDATE, cls.HOOK_REPO_SIZE]))
 
        q = q.filter(cls.ui_section == 'hooks')
 
        return q.all()
 

	
 
    @classmethod
 
    def get_custom_hooks(cls):
 
        q = cls.query()
 
        q = q.filter(~cls.ui_key.in_([cls.HOOK_UPDATE, cls.HOOK_REPO_SIZE]))
 
        q = q.filter(cls.ui_section == 'hooks')
 
        return q.all()
 

	
 
    @classmethod
 
    def get_repos_location(cls):
 
        return cls.get_by_key('paths', '/').ui_value
 

	
 
    @classmethod
 
    def create_or_update_hook(cls, key, val):
 
        new_ui = cls.get_or_create('hooks', key)
 
        new_ui.ui_active = True
 
        new_ui.ui_value = val
 

	
 
    def __repr__(self):
 
        return '<%s[%s]%s=>%s]>' % (self.__class__.__name__, self.ui_section,
 
                                    self.ui_key, self.ui_value)
 

	
 

	
 
class User(Base, BaseDbModel):
 
    __tablename__ = 'users'
 
    __table_args__ = (
 
        Index('u_username_idx', 'username'),
 
        Index('u_email_idx', 'email'),
 
        _table_args_default_dict,
 
    )
 

	
 
    DEFAULT_USER = 'default'
 
    DEFAULT_GRAVATAR_URL = 'https://secure.gravatar.com/avatar/{md5email}?d=identicon&s={size}'
 
    # The name of the default auth type in extern_type, 'internal' lives in auth_internal.py
 
    DEFAULT_AUTH_TYPE = 'internal'
 

	
 
    user_id = Column(Integer(), primary_key=True)
 
    username = Column(String(255), nullable=False, unique=True)
 
    password = Column(String(255), nullable=False)
 
    active = Column(Boolean(), nullable=False, default=True)
 
    admin = Column(Boolean(), nullable=False, default=False)
 
    name = Column("firstname", Unicode(255), nullable=False)
 
    lastname = Column(Unicode(255), nullable=False)
 
    _email = Column("email", String(255), nullable=True, unique=True) # FIXME: not nullable?
 
    last_login = Column(DateTime(timezone=False), nullable=True)
 
    extern_type = Column(String(255), nullable=True) # FIXME: not nullable?
 
    extern_name = Column(String(255), nullable=True) # FIXME: not nullable?
 
    api_key = Column(String(255), nullable=False)
 
    created_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
    _user_data = Column("user_data", LargeBinary(), nullable=True)  # JSON data # FIXME: not nullable?
 

	
 
    user_log = relationship('UserLog')
 
    user_perms = relationship('UserToPerm', primaryjoin="User.user_id==UserToPerm.user_id", cascade='all')
 

	
 
    repositories = relationship('Repository')
 
    repo_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')
 

	
 
    group_member = relationship('UserGroupMember', cascade='all')
 

	
 
    # comments created by this user
 
    user_comments = relationship('ChangesetComment', cascade='all')
 
    # extra emails for this user
 
    user_emails = relationship('UserEmailMap', cascade='all')
 
    # extra API keys
 
    user_api_keys = relationship('UserApiKeys', cascade='all')
 

	
 
    @hybrid_property
 
    def email(self):
 
        return self._email
 

	
 
    @email.setter
 
    def email(self, val):
 
        self._email = val.lower() if val else None
 

	
 
    @property
 
    def firstname(self):
 
        # alias for future
 
        return self.name
 

	
 
    @property
 
    def emails(self):
 
        other = UserEmailMap.query().filter(UserEmailMap.user == self).all()
 
        return [self.email] + [x.email for x in other]
 

	
 
    @property
 
    def api_keys(self):
 
        other = UserApiKeys.query().filter(UserApiKeys.user == self).all()
 
        return [self.api_key] + [x.api_key for x in other]
 

	
 
    @property
 
    def ip_addresses(self):
 
        ret = UserIpMap.query().filter(UserIpMap.user == self).all()
 
        return [x.ip_addr for x in ret]
 

	
 
    @property
 
    def full_name(self):
 
        return '%s %s' % (self.firstname, self.lastname)
 

	
 
    @property
 
    def full_name_or_username(self):
 
        """
 
        Show full name.
 
        If full name is not set, fall back to username.
 
        """
 
        return ('%s %s' % (self.firstname, self.lastname)
 
                if (self.firstname and self.lastname) else self.username)
 

	
 
    @property
 
    def full_name_and_username(self):
 
        """
 
        Show full name and username as 'Firstname Lastname (username)'.
 
        If full name is not set, fall back to username.
 
        """
 
        return ('%s %s (%s)' % (self.firstname, self.lastname, self.username)
 
                if (self.firstname and self.lastname) else self.username)
 

	
 
    @property
 
    def full_contact(self):
 
        return '%s %s <%s>' % (self.firstname, self.lastname, self.email)
 

	
 
    @property
 
    def short_contact(self):
 
        return '%s %s' % (self.firstname, self.lastname)
 

	
 
    @property
 
    def is_admin(self):
 
        return self.admin
 

	
 
    @hybrid_property
 
    def is_default_user(self):
 
        return self.username == User.DEFAULT_USER
 

	
 
    @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):
 
        try:
 
            self._user_data = json.dumps(val)
 
        except Exception:
 
            log.error(traceback.format_exc())
 

	
 
    def __unicode__(self):
 
        return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
 
                                      self.user_id, self.username)
 

	
 
    @classmethod
 
    def guess_instance(cls, value):
 
        return super(User, cls).guess_instance(value, User.get_by_username)
 

	
 
    @classmethod
 
    def get_or_404(cls, id_, allow_default=True):
 
        '''
 
        Overridden version of BaseDbModel.get_or_404, with an extra check on
 
        the default user.
 
        '''
 
        user = super(User, cls).get_or_404(id_)
 
        if not allow_default and user.is_default_user:
 
            raise DefaultUserException()
 
        return user
 

	
 
    @classmethod
 
    def get_by_username_or_email(cls, username_or_email, case_insensitive=False, cache=False):
 
        """
 
        For anything that looks like an email address, look up by the email address (matching
 
        case insensitively).
 
        For anything else, try to look up by the user name.
 

	
 
        This assumes no normal username can have '@' symbol.
 
        """
 
        if '@' in username_or_email:
 
            return User.get_by_email(username_or_email, cache=cache)
 
        else:
 
            return User.get_by_username(username_or_email, case_insensitive=case_insensitive, cache=cache)
 

	
 
    @classmethod
 
    def get_by_username(cls, username, case_insensitive=False, cache=False):
 
        if case_insensitive:
 
            q = cls.query().filter(func.lower(cls.username) == func.lower(username))
 
        else:
 
            q = cls.query().filter(cls.username == username)
 

	
 
        if cache:
 
            q = q.options(FromCache(
 
                            "sql_cache_short",
 
                            "get_user_%s" % _hash_key(username)
 
                          )
 
            )
 
        return q.scalar()
 

	
 
    @classmethod
 
    def get_by_api_key(cls, api_key, cache=False, fallback=True):
 
        if len(api_key) != 40 or not api_key.isalnum():
 
            return None
 

	
 
        q = cls.query().filter(cls.api_key == api_key)
 

	
 
        if cache:
 
            q = q.options(FromCache("sql_cache_short",
 
                                    "get_api_key_%s" % api_key))
 
        res = q.scalar()
 

	
 
        if fallback and not res:
 
            # fallback to additional keys
 
            _res = UserApiKeys.query().filter_by(api_key=api_key, is_expired=False).first()
 
            if _res:
 
                res = _res.user
 
        if res is None or not res.active or res.is_default_user:
 
            return None
 
        return res
 

	
 
    @classmethod
 
    def get_by_email(cls, email, cache=False):
 
        q = cls.query().filter(func.lower(cls.email) == func.lower(email))
 

	
 
        if cache:
 
            q = q.options(FromCache("sql_cache_short",
 
                                    "get_email_key_%s" % email))
 

	
 
        ret = q.scalar()
 
        if ret is None:
 
            q = UserEmailMap.query()
 
            # try fetching in alternate email map
 
            q = q.filter(func.lower(UserEmailMap.email) == func.lower(email))
 
            q = q.options(joinedload(UserEmailMap.user))
 
            if cache:
 
                q = q.options(FromCache("sql_cache_short",
 
                                        "get_email_map_key_%s" % email))
 
            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 kallithea.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)
 
            if user is not None:
 
                return user
 
        # Maybe we can match by username?
 
        _author = author_name(author)
 
        user = cls.get_by_username(_author, case_insensitive=True)
 
        if user is not None:
 
            return user
 

	
 
    def update_lastlogin(self):
 
        """Update user lastlogin"""
 
        self.last_login = datetime.datetime.now()
 
        log.debug('updated user %s lastlogin', self.username)
 

	
 
    @classmethod
 
    def get_first_admin(cls):
 
        user = User.query().filter(User.admin == True).first()
 
        if user is None:
 
            raise Exception('Missing administrative account!')
 
        return user
 

	
 
    @classmethod
 
    def get_default_user(cls, cache=False):
 
        user = User.get_by_username(User.DEFAULT_USER, cache=cache)
 
        if user is None:
 
            raise Exception('Missing default account!')
 
        return user
 

	
 
    def get_api_data(self, details=False):
 
        """
 
        Common function for generating user related data for API
 
        """
 
        user = self
 
        data = dict(
 
            user_id=user.user_id,
 
            username=user.username,
 
            firstname=user.name,
 
            lastname=user.lastname,
 
            email=user.email,
 
            emails=user.emails,
 
            active=user.active,
 
            admin=user.admin,
 
        )
 
        if details:
 
            data.update(dict(
 
                extern_type=user.extern_type,
 
                extern_name=user.extern_name,
 
                api_key=user.api_key,
 
                api_keys=user.api_keys,
 
                last_login=user.last_login,
 
                ip_addresses=user.ip_addresses
 
                ))
 
        return data
 

	
 
    def __json__(self):
 
        data = dict(
 
            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, BaseDbModel):
 
    __tablename__ = 'user_api_keys'
 
    __table_args__ = (
 
        Index('uak_api_key_idx', 'api_key'),
 
        Index('uak_api_key_expires_idx', 'api_key', 'expires'),
 
        _table_args_default_dict,
 
    )
 
    __mapper_args__ = {}
 

	
 
    user_api_key_id = Column(Integer(), primary_key=True)
 
    user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=False)
 
    api_key = Column(String(255), nullable=False, unique=True)
 
    description = Column(UnicodeText(), nullable=False)
 
    expires = Column(Float(53), nullable=False)
 
    created_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 

	
 
    user = relationship('User')
 

	
 
    @hybrid_property
 
    def is_expired(self):
 
        return (self.expires != -1) & (time.time() > self.expires)
 

	
 

	
 
class UserEmailMap(Base, BaseDbModel):
 
    __tablename__ = 'user_email_map'
 
    __table_args__ = (
 
        Index('uem_email_idx', 'email'),
 
        _table_args_default_dict,
 
    )
 
    __mapper_args__ = {}
 

	
 
    email_id = Column(Integer(), primary_key=True)
 
    user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=False)
 
    _email = Column("email", String(255), nullable=False, unique=True)
 
    user = relationship('User')
 

	
 
    @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, BaseDbModel):
 
    __tablename__ = 'user_ip_map'
 
    __table_args__ = (
 
        UniqueConstraint('user_id', 'ip_addr'),
 
        _table_args_default_dict,
 
    )
 
    __mapper_args__ = {}
 

	
 
    ip_id = Column(Integer(), primary_key=True)
 
    user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=False)
 
    ip_addr = Column(String(255), nullable=False)
 
    active = Column(Boolean(), nullable=False, default=True)
 
    user = relationship('User')
 

	
 
    @classmethod
 
    def _get_ip_range(cls, ip_addr):
 
        from kallithea.lib import ipaddr
 
        net = ipaddr.IPNetwork(address=ip_addr)
 
        return [str(net.network), str(net.broadcast)]
 

	
 
    def __json__(self):
 
        return dict(
 
          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 UserLog(Base, BaseDbModel):
 
    __tablename__ = 'user_logs'
 
    __table_args__ = (
 
        _table_args_default_dict,
 
    )
 

	
 
    user_log_id = Column(Integer(), primary_key=True)
 
    user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=True)
 
    username = Column(String(255), nullable=False)
 
    repository_id = Column(Integer(), ForeignKey('repositories.repo_id'), nullable=True)
 
    repository_name = Column(Unicode(255), nullable=False)
 
    user_ip = Column(String(255), nullable=True)
 
    action = Column(UnicodeText(), nullable=False)
 
    action_date = Column(DateTime(timezone=False), nullable=False)
 

	
 
    def __unicode__(self):
 
        return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
 
                                      self.repository_name,
 
                                      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, BaseDbModel):
 
    __tablename__ = 'users_groups'
 
    __table_args__ = (
 
        _table_args_default_dict,
 
    )
 

	
 
    users_group_id = Column(Integer(), primary_key=True)
 
    users_group_name = Column(Unicode(255), nullable=False, unique=True)
 
    user_group_description = Column(Unicode(10000), nullable=True) # FIXME: not nullable?
 
    users_group_active = Column(Boolean(), nullable=False)
 
    owner_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
 
    created_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
    _group_data = Column("group_data", LargeBinary(), nullable=True)  # JSON data # FIXME: not nullable?
 

	
 
    members = relationship('UserGroupMember', cascade="all, delete-orphan")
 
    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')
 

	
 
    owner = relationship('User')
 

	
 
    @hybrid_property
 
    def group_data(self):
 
        if not self._group_data:
 
            return {}
 

	
 
        try:
 
            return json.loads(self._group_data)
 
        except TypeError:
 
            return {}
 

	
 
    @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 guess_instance(cls, value):
 
        return super(UserGroup, cls).guess_instance(value, UserGroup.get_by_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 get_api_data(self, with_members=True):
 
        user_group = self
 

	
 
        data = dict(
 
            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.owner.username,
 
        )
 
        if with_members:
 
            data['members'] = [
 
                ugm.user.get_api_data()
 
                for ugm in user_group.members
 
            ]
 

	
 
        return data
 

	
 

	
 
class UserGroupMember(Base, BaseDbModel):
 
    __tablename__ = 'users_groups_members'
 
    __table_args__ = (
 
        _table_args_default_dict,
 
    )
 

	
 
    users_group_member_id = Column(Integer(), primary_key=True)
 
    users_group_id = Column(Integer(), ForeignKey('users_groups.users_group_id'), nullable=False)
 
    user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=False)
 

	
 
    user = relationship('User')
 
    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, BaseDbModel):
 
    __tablename__ = 'repositories_fields'
 
    __table_args__ = (
 
        UniqueConstraint('repository_id', 'field_key'),  # no-multi field
 
        _table_args_default_dict,
 
    )
 

	
 
    PREFIX = 'ex_'  # prefix used in form to not conflict with already existing fields
 

	
 
    repo_field_id = Column(Integer(), primary_key=True)
 
    repository_id = Column(Integer(), ForeignKey('repositories.repo_id'), nullable=False)
 
    field_key = Column(String(250), nullable=False)
 
    field_label = Column(String(1024), nullable=False)
 
    field_value = Column(String(10000), nullable=False)
 
    field_desc = Column(String(1024), nullable=False)
 
    field_type = Column(String(255), nullable=False)
 
    created_on = Column(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, BaseDbModel):
 
    __tablename__ = 'repositories'
 
    __table_args__ = (
 
        Index('r_repo_name_idx', 'repo_name'),
 
        _table_args_default_dict,
 
    )
 

	
 
    DEFAULT_CLONE_URI = '{scheme}://{user}@{netloc}/{repo}'
 
    DEFAULT_CLONE_URI_ID = '{scheme}://{user}@{netloc}/_{repoid}'
 

	
 
    STATE_CREATED = u'repo_state_created'
 
    STATE_PENDING = u'repo_state_pending'
 
    STATE_ERROR = u'repo_state_error'
 

	
 
    repo_id = Column(Integer(), primary_key=True)
 
    repo_name = Column(Unicode(255), nullable=False, unique=True)
 
    repo_state = Column(String(255), nullable=False)
 

	
 
    clone_uri = Column(String(255), nullable=True) # FIXME: not nullable?
 
    repo_type = Column(String(255), nullable=False)
 
    owner_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
 
    private = Column(Boolean(), nullable=False)
 
    enable_statistics = Column("statistics", Boolean(), nullable=False, default=True)
 
    enable_downloads = Column("downloads", Boolean(), nullable=False, default=True)
 
    description = Column(Unicode(10000), nullable=False)
 
    created_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
    updated_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
    _landing_revision = Column("landing_revision", String(255), nullable=False)
 
    _changeset_cache = Column("changeset_cache", LargeBinary(), nullable=True) # JSON data # FIXME: not nullable?
 

	
 
    fork_id = Column(Integer(), ForeignKey('repositories.repo_id'), nullable=True)
 
    group_id = Column(Integer(), ForeignKey('groups.group_id'), nullable=True)
 

	
 
    owner = relationship('User')
 
    fork = relationship('Repository', remote_side=repo_id)
 
    group = relationship('RepoGroup')
 
    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_repository_id==Repository.repo_id',
 
                             cascade='all')
 
    extra_fields = relationship('RepositoryField',
 
                                cascade="all, delete-orphan")
 

	
 
    logs = relationship('UserLog')
 
    comments = relationship('ChangesetComment', cascade="all, delete-orphan")
 

	
 
    pull_requests_org = relationship('PullRequest',
 
                    primaryjoin='PullRequest.org_repo_id==Repository.repo_id',
 
                    cascade="all, delete-orphan")
 

	
 
    pull_requests_other = relationship('PullRequest',
 
                    primaryjoin='PullRequest.other_repo_id==Repository.repo_id',
 
                    cascade="all, delete-orphan")
 

	
 
    def __unicode__(self):
 
        return u"<%s('%s:%s')>" % (self.__class__.__name__, self.repo_id,
 
                                   safe_unicode(self.repo_name))
 

	
 
    @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 changeset_cache(self):
 
        try:
 
            cs_cache = json.loads(self._changeset_cache) # might raise on bad data
 
            cs_cache['raw_id'] # verify data, raise exception on error
 
            return cs_cache
 
        except (TypeError, KeyError, ValueError):
 
            return EmptyChangeset().__json__()
 

	
 
    @changeset_cache.setter
 
    def changeset_cache(self, val):
 
        try:
 
            self._changeset_cache = json.dumps(val)
 
        except Exception:
 
            log.error(traceback.format_exc())
 

	
 
    @classmethod
 
    def query(cls, sorted=False):
 
        """Add Repository-specific helpers for common query constructs.
 

	
 
        sorted: if True, apply the default ordering (name, case insensitive).
 
        """
 
        q = super(Repository, cls).query()
 

	
 
        if sorted:
 
            q = q.order_by(func.lower(Repository.repo_name))
 

	
 
        return q
 

	
 
    @classmethod
 
    def url_sep(cls):
 
        return URL_SEP
 

	
 
    @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.url_sep().join(repo_name.split(os.sep))
 

	
 
    @classmethod
 
    def guess_instance(cls, value):
 
        return super(Repository, cls).guess_instance(value, Repository.get_by_repo_name)
 

	
 
    @classmethod
 
    def get_by_repo_name(cls, repo_name, case_insensitive=False):
 
        """Get the repo, defaulting to database case sensitivity.
 
        case_insensitive will be slower and should only be specified if necessary."""
 
        if case_insensitive:
 
            q = Session().query(cls).filter(func.lower(cls.repo_name) == func.lower(repo_name))
 
        else:
 
            q = Session().query(cls).filter(cls.repo_name == repo_name)
 
        q = q.options(joinedload(Repository.fork)) \
 
                .options(joinedload(Repository.owner)) \
 
                .options(joinedload(Repository.group))
 
        return q.scalar()
 

	
 
    @classmethod
 
    def get_by_full_path(cls, repo_full_path):
 
        base_full_path = os.path.realpath(cls.base_path())
 
        repo_full_path = os.path.realpath(repo_full_path)
 
        assert repo_full_path.startswith(base_full_path + os.path.sep)
 
        repo_name = repo_full_path[len(base_full_path) + 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 where all repos are stored
 

	
 
        :param cls:
 
        """
 
        q = Session().query(Ui) \
 
            .filter(Ui.ui_key == cls.url_sep())
 
        q = q.options(FromCache("sql_cache_short", "repository_repo_path"))
 
        return q.one().ui_value
 

	
 
    @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(Repository.url_sep())[-1]
 

	
 
    @property
 
    def groups_with_parents(self):
 
        groups = []
 
        group = self.group
 
        while group is not None:
 
            groups.append(group)
 
            group = group.parent_group
 
            assert group not in groups, group # avoid recursion on bad db content
 
        groups.reverse()
 
        return groups
 

	
 
    @LazyProperty
 
    def repo_path(self):
 
        """
 
        Returns base full path for that repository means where it actually
 
        exists on a filesystem
 
        """
 
        q = Session().query(Ui).filter(Ui.ui_key ==
 
                                              Repository.url_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(Repository.url_sep())
 
        return os.path.join(*map(safe_unicode, p))
 

	
 
    @property
 
    def cache_keys(self):
 
        """
 
        Returns associated cache keys for that repo
 
        """
 
        return CacheInvalidation.query() \
 
            .filter(CacheInvalidation.cache_args == self.repo_name) \
 
            .order_by(CacheInvalidation.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 Repository.url_sep().join(path_prefix + [repo_name])
 

	
 
    @property
 
    def _ui(self):
 
        """
 
        Creates an db based ui object for this repository
 
        """
 
        from kallithea.lib.utils import make_ui
 
        return make_ui(clear_session=False)
 

	
 
    @classmethod
 
    def is_valid(cls, repo_name):
 
        """
 
        returns True if given repo name is a valid filesystem repository
 

	
 
        :param cls:
 
        :param repo_name:
 
        """
 
        from kallithea.lib.utils import is_valid_repo
 

	
 
        return is_valid_repo(repo_name, cls.base_path())
 

	
 
    def get_api_data(self, with_revision_names=False,
 
                           with_pullrequests=False):
 
        """
 
        Common function for generating repo api data.
 
        Optionally, also return tags, branches, bookmarks and PRs.
 
        """
 
        repo = self
 
        data = dict(
 
            repo_id=repo.repo_id,
 
            repo_name=repo.repo_name,
 
            repo_type=repo.repo_type,
 
            clone_uri=repo.clone_uri,
 
            private=repo.private,
 
            created_on=repo.created_on,
 
            description=repo.description,
 
            landing_rev=repo.landing_rev,
 
            owner=repo.owner.username,
 
            fork_of=repo.fork.repo_name if repo.fork else None,
 
            enable_statistics=repo.enable_statistics,
 
            enable_downloads=repo.enable_downloads,
 
            last_changeset=repo.changeset_cache,
 
        )
 
        if with_revision_names:
 
            scm_repo = repo.scm_instance_no_cache()
 
            data.update(dict(
 
                tags=scm_repo.tags,
 
                branches=scm_repo.branches,
 
                bookmarks=scm_repo.bookmarks,
 
            ))
 
        if with_pullrequests:
 
            data['pull_requests'] = repo.pull_requests_other
 
        rc_config = Setting.get_app_settings()
 
        repository_fields = str2bool(rc_config.get('repository_fields'))
 
        if repository_fields:
 
            for f in self.extra_fields:
 
                data[f.field_key_prefixed] = f.field_value
 

	
 
        return data
 

	
 
    @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(self.clone_uri)
 
            if url_obj.password:
 
                clone_uri = url_obj.with_password('*****')
 
        return clone_uri
 

	
 
    def clone_url(self, **override):
 
        import kallithea.lib.helpers as h
 
        qualified_home_url = h.canonical_url('home')
 

	
 
        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:
 
            uri_tmpl = self.DEFAULT_CLONE_URI
 
            try:
 
                from tg import tmpl_context as c
 
                uri_tmpl = c.clone_uri_tmpl
 
            except AttributeError:
 
                # in any case if we call this outside of request context,
 
                # ie, not having tmpl_context set up
 
                pass
 

	
 
        return get_clone_url(uri_tmpl=uri_tmpl,
 
                             qualified_home_url=qualified_home_url,
 
                             repo_name=self.repo_name,
 
                             repo_id=self.repo_id, **override)
 

	
 
    def set_state(self, state):
 
        self.repo_state = state
 

	
 
    #==========================================================================
 
    # SCM PROPERTIES
 
    #==========================================================================
 

	
 
    def get_changeset(self, rev=None):
 
        return get_changeset_safe(self.scm_instance, rev)
 

	
 
    def get_landing_changeset(self):
 
        """
 
        Returns landing changeset, or if that doesn't exist returns the tip
 
        """
 
        _rev_type, _rev = self.landing_rev
 
        cs = self.get_changeset(_rev)
 
        if isinstance(cs, EmptyChangeset):
 
            return self.get_changeset()
 
        return cs
 

	
 
    def update_changeset_cache(self, cs_cache=None):
 
        """
 
        Update cache of last changeset for repository, keys should be::
 

	
 
            short_id
 
            raw_id
 
            revision
 
            message
 
            date
 
            author
 

	
 
        :param cs_cache:
 
        """
 
        from kallithea.lib.vcs.backends.base import BaseChangeset
 
        if cs_cache is None:
 
            cs_cache = EmptyChangeset()
 
            # use no-cache version here
 
            scm_repo = self.scm_instance_no_cache()
 
            if scm_repo:
 
                cs_cache = scm_repo.get_changeset()
 

	
 
        if isinstance(cs_cache, BaseChangeset):
 
            cs_cache = cs_cache.__json__()
 

	
 
        if (not self.changeset_cache or cs_cache['raw_id'] != self.changeset_cache['raw_id']):
 
            _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().commit()
 
        else:
 
            log.debug('changeset_cache for %s already up to date with %s',
 
                      self.repo_name, cs_cache['raw_id'])
 

	
 
    @property
 
    def tip(self):
 
        return self.get_changeset('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)
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